Combined beverage machine and control method thereof

Abstract

The invention discloses a combined beverage machine and a control method thereof, the combined beverage machine comprises a coffee machine, a juicer, a milk froth machine and an ice maker, and further comprises a control module and a display screen, and the combined beverage machine is characterized in that when a beverage is made, the coffee machine, the juicer, the milk froth machine and the ice maker sequentially send out voice prompts according to the type of a formula; when a person puts the cup into a drink outlet of a coffee machine, a juicer, a milk foam machine or an ice maker, then the machine where the cup is located works, voice is sent again to remind the person to put the cup into a drink outlet of a next device, and when the last device is used, the person is reminded that drink making is completed through voice after drink making is completed. Sensors are arranged in the coffee machine, the juicer, the milk froth machine and the ice maker to detect whether cups exist or not, the coffee machine, the juicer, the milk froth machine and the ice maker operate only after cups exist, and the coffee machine does not work when cups do not exist.

Description

Technical Field

[0001] The present invention relates to the technical field of combined beverage machines, in particular to a combined beverage machine and a control method thereof. Background Art

[0002] The combination beverage machine uses multiple modules to form a beverage machine. The existing combination beverage machines have the following disadvantages. Since the combination beverage machine involves different beverages, different modules need to work independently to put the beverages into the cups. The existing combination beverage machines cannot prompt personnel according to the recipe, and according to the goods purchased by the personnel, they should put the cups in which other beverage machines. This makes it impossible for personnel to use the combination beverage machine efficiently and quickly. In addition, the production functions corresponding to the separate functional modules in the combination beverage machine are poor, and efficient beverage production functions cannot be achieved. People have conducted a lot of research on this. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a combined beverage machine and a control method thereof, which can solve the above-mentioned problems in the prior art.

[0004] The present invention is achieved through the following technical solutions: a combined beverage machine and a control method thereof of the present invention, comprising a coffee machine, a juice machine, a milk foam machine and an ice machine, and also comprising a control module and a display screen, characterized in that when making beverages, the coffee machine, the juice machine, the milk foam machine and the ice machine send out voice reminders in sequence according to the type of recipe, a person places a cup at the drinking outlet of the coffee machine, the juice machine, the milk foam machine or the ice machine, and then after the machine where the cup is located starts working, a voice is sent out again to remind the person to place the cup at the drinking outlet of the next device, and when the beverage is made at the last device, a voice reminds the person that the beverage is made after the beverage is made, a sensor is set in the coffee machine, the juice machine, the milk foam machine and the ice machine to detect whether there is a cup, and the machine will only operate after there is a cup, and the machine will not work when there is no cup.

[0005] According to a further technical solution, the coffee machine comprises a grinding device, an extraction device is arranged at the lower side of the grinding device, the coffee machine also comprises an independent stirring device, a coffee machine drinking outlet is arranged in the coffee machine, and the drinking outlets of the extraction device and the independent stirring device are connected to the drinking outlet of the coffee machine.

[0006] According to a further technical solution, the grinding device comprises a bean storage box, a grinder is arranged at the bottom of the bean storage box, a vibration motor is arranged at the outside of the bean storage box, a lower outlet is arranged at the bottom of the grinder, and the lower outlet is connected to the feed port of the extraction device.

[0007] A further technical solution is that the juicer includes a juice outlet, and a plurality of pulp bags are arranged in the juicer. A peristaltic pump is connected to one side of the pulp bag, a Y-type three-way valve is connected to one side of the peristaltic pump, the Y-type three-way valve is connected to the juice outlet, and a one-inlet and four-outlet valve is also connected to the other side of the Y-type three-way valve. A cold and hot water module is connected to the water inlet of the one-inlet and four-outlet valve, and an evaporator is also arranged in the juicer.

[0008] A further technical solution is that the hot and cold water module includes a juicer water bucket, which is arranged in an external space. A first diaphragm pump is connected to one side of the juicer water bucket, and a juicer water tank is connected to one side of the first diaphragm pump. A cold water module is connected to one side of the juicer water tank, and a hot water module is connected to the other side of the juicer water tank. A first T-type four-way valve is connected to one side of the water inlet of the one-inlet and four-outlet valve, and the first T-type four-way valve is connected to the cold water module and the hot water module. A first air pump is also connected to one side of the water inlet of the first T-type four-way valve. After the first T-type four-way valve closes the cold water module and the hot water module, the first air pump, the one-inlet and four-outlet valve, the Y-type three-way valve and the juice outlet nozzle are blown to blow away the residual water. A second T-type four-way valve is also connected to one side of the juicer water tank, and the second T-type four-way valve is connected to the cold water module and the hot water module.

[0009] According to a further technical solution, the cold water module includes a first radar ultrasonic flowmeter connected to the second T-type four-way valve, a second diaphragm pump is connected to one side of the first radar ultrasonic flowmeter, a quick cooler is connected to one side of the second diaphragm pump, and the quick cooler is connected to the first T-type four-way valve.

[0010] A further technical solution is that the hot water module includes a second radar ultrasonic flowmeter connected to the second T-type four-way valve, one side of the second radar ultrasonic flowmeter is connected to a third diaphragm pump, one side of the third diaphragm pump is connected to an instant heating component, and the instant heating component is connected to the first T-type four-way valve.

[0011] A further technical solution is that the milk frothing machine comprises a milk frothing machine water bucket, a milk frothing machine water tank, a milk box, a milk frothing machine water nozzle and a milk frothing machine evaporator, the milk frothing machine water bucket is arranged in the external space, a seesaw valve is connected to one side of the milk box, a water channel module is connected to the other liquid inlet of the seesaw valve, a milk frothing module is connected to one side of the liquid outlet of the seesaw valve, and the milk frothing module is connected to the milk frothing machine water nozzle.

[0012] A further technical solution is that the water circuit module includes a fourth one-way valve connected to the milk froth machine water bucket, a fourth diaphragm pump is connected on one side of the fourth one-way valve, the fourth diaphragm pump is connected to the milk froth machine water tank, a third one-way valve is connected on the return water circuit of the milk froth machine water tank, the third one-way valve is connected to the milk froth machine water bucket, a first T-type three-way valve is connected on one side of the water supply circuit of the milk froth machine water tank, a second drain joint is connected on one side of the first T-type three-way valve, the second drain joint is used to discharge water, another water outlet of the first T-type three-way valve is connected on one side of the third radar ultrasonic flowmeter, a fifth diaphragm pump is connected on one side of the third diaphragm pump, a second T-type three-way valve is connected on one side of the fifth diaphragm pump, and a second T-type three-way valve is connected on one side of the second T-type three-way valve.

[0013] A further technical solution is that the milk froth module includes a third T-type three-way valve connected to the seesaw valve, one end of the third T-type three-way valve is connected to a fifth one-way valve, the other end of the third T-type three-way valve is connected to a gear pump, one side of the fifth one-way valve is connected to a high-frequency valve, the outlet end of the gear pump is connected to a disc-type hot water pump, and the disc-type hot water pump is connected to the water outlet of the milk froth machine.

[0014] A method for making hot juice with a combined machine is as follows: a control panel of the juicer reads the inventory number, and the device works to make juice only when there is material. If there is no material, a material shortage fault is reported. In the first step, the electromagnetic valve corresponding to one input and four outputs is opened; in the second step, the instant heating component is turned on, and when the instant heating component is turned on, the instant heating module is also turned on to heat the water in the pipeline. If the water volume cannot be reached within the set time, a water shortage fault is reported. If the set temperature cannot be reached within the set time, a heating failure fault is reported. After the water is discharged for seconds, the peristaltic pump of the corresponding beverage is started again; in the third step, after the peristaltic pump works, a radar ultrasonic flowmeter is used to detect the pipeline flow. If there is flow, the drink is discharged normally. If there is no flow, a material shortage fault is reported, and related electrical components are stopped. In this process, the amount of flow is controlled according to the power-on time of the peristaltic pump, and the operation is stopped when the time is reached; in the fourth step, after the first blowing pump works, the remaining residual water in the pipeline is blown out.

[0015] A method for making milk froth with a combined machine: the first step is that a control panel of the milk froth machine reads the inventory number, and the device works to make milk froth only when there is material, and reports a material shortage fault when there is no material; the second step is to open a seesaw valve; the third step is to start a gear pump, and according to the material discharge amount per unit time, a software algorithm issues a corresponding material discharge time, and the gear pump rotates forward to discharge milk; the fourth step is to start a high-frequency valve; the fifth step is to power on a disc-type hot water pump for heating when making hot milk froth, and the temperature of the heating outlet is detected and controlled by a PID temperature control method; the sixth step is to enter a cleaning stage after the production is completed, close the seesaw valve, start the disc-type hot water pump to clean the pipeline, start the second air blowing pump to blow away the residual water in the pipeline, and then close the gear pump to complete the production.

[0016] A further technical solution is to shut down the disc-type hot water pump after the operation is completed, and the gear pump continues to run during the cleaning period.

[0017] A refrigeration control method for a combined machine is as follows: in the first step, the temperature sensing probe in the milk frothing machine determines whether to start the compressor. When the temperature is higher than the set value and the temperature difference is ℃, the compressor and the evaporator fan are started for refrigeration. When the temperature is lower than the set value, it remains unchanged. In the second step, defrosting is required during the refrigeration process, the compressor is stopped, the evaporator fan is started, and defrosting is performed once every hour. The defrosting time interval is minutes. After defrosting is completed, the temperature sensing probe in the milk frothing machine determines whether the internal temperature of the milk frothing machine is within the set range. If it is not within the range, refrigeration is started, and if it is within the range, the refrigeration system is stopped.

[0018] The beneficial effects of the present invention are as follows: 1. By combining one or more of the coffee machine, juice machine, milk foam machine and ice machine into a combined machine according to actual needs, after a person selects a product, the coffee machine, juice machine, milk foam machine and ice machine will give a voice reminder to enable the person to combine the products according to a preset formula, so that the person can put the cup into the drinking outlet of the coffee machine, juice machine, milk foam machine and ice machine to prepare the beverage, which is very convenient and quick.

[0019] 2. In the specific structure of the juicer, as a whole, it is possible to provide feedback on whether the equipment is working normally by detecting the amount of water and the flow rate, and then use the first air pump to blow away the residual water in the pipeline, thereby improving the efficiency of the equipment in processing hot and cold juices, and indirectly calculate the ratio of each solvent by measuring the volume of the solvent and the flow time of the solvent, thereby improving the preparation effect of the processed beverage.

[0020] 3. In the milk froth preparation of the milk froth machine, on the whole, the processing of hot milk froth is controlled by a PID temperature control method, and then after the milk froth processing is completed, the gear pump is kept running continuously, and then the disc-type hot water pump is used for flushing to fully flush the milk froth in the pipeline, and then the residual water in the pipeline is blown out by the action of the second blowing pump, which has high efficiency and leaves no much residue in the pipeline.

[0021] 4. Through the temperature control method of the milk foam machine and the juicer, the low temperature environment can be effectively maintained, and a good defrosting effect can be played to reduce the energy consumption of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] For ease of explanation, the present invention is described in detail with reference to the following specific embodiments and accompanying drawings.

[0023] Figure 1 is a schematic diagram of the structure of a coffee machine;

[0024] Figure 2 for Figure 1 A schematic diagram of the structure of the grinding device;

[0025] Figure 3 for Figure 1 A schematic diagram of the structure of the extraction device;

[0026] Figure 4 It is a structural diagram of a juicer;

[0027] Figure 5 for Figure 4 Schematic diagram of the internal structure of the juicer;

[0028] Figure 6 It is a schematic diagram of the structure of a milk frothing machine;

[0029] Figure 7 It is a structural schematic diagram of an ice making machine;

[0030] Figure 8 It is a working logic diagram of the equipment;

[0031] Fig. 9 A logical diagram for making drinks for the device;

[0032] Fig.10 This is a schematic diagram of the water connection of the juicer;

[0033] Fig.11 This is a schematic diagram of the water connection of the milk frothing machine;

[0034] In the figure, a coffee machine outlet 11, an independent stirring device 12, a grinding device 13, an extraction device 14, a coffee machine 15, a lower outlet 21, a grinder 23, a vibration motor 24, a bean storage box 25, a juicer 31, a juice outlet 32, a pulp bag 33, an instant heating component 34, a peristaltic pump 35, an evaporator 36, a quick cooler 37, a milk froth machine 41, an ice maker 42, an ice weighing component 43, an ice outlet 44, an ice bucket 51, a water tank 52, an ice maker 53, an ice compressor 54, an ice condenser 55, a Y-type three-way valve 61, a one-inlet and four-outlet valve 62, a first T-type four-way valve 63, a first blowing pump 64, a third diaphragm pump 65, a second radar ultrasonic flowmeter 66, a juicer bucket 67, a first single-way valve 68, a second single-way valve Valve 69, evaporator one-way valve 71, first diaphragm pump 72, juicer water tank 73, second T-type four-way valve 74, first drain joint 75, first radar ultrasonic flowmeter 76, second diaphragm pump 77, milk frothing machine water outlet 78, disc hot water pump 79, gear pump 80, milk frothing machine evaporator 81, milk frothing machine evaporator one-way valve 82, milk box 83, seesaw valve 84, second T-type three-way valve 85, second blowing pump 86, third radar ultrasonic flowmeter 87, fifth diaphragm pump 88, milk frothing machine water bucket 89, third one-way valve 91, fourth one-way valve 92, fourth diaphragm pump 93, milk frothing machine water tank 94, first T-type three-way valve 95, second drain joint 96, third T-type three-way valve 97, fifth one-way valve 98, high-frequency valve 99. DETAILED DESCRIPTION

[0035] like Figure 1-Figure 11 As shown, the present invention is described in detail. For the convenience of description, the directions mentioned below are defined as follows: the up, down, left, right, front and back directions mentioned below are Figure 1 The up, down, left, right, front and back directions of the projection relationship itself are consistent. A combined beverage machine and a control method thereof of the present invention include a coffee machine 15, a juicer 31, a milk foam machine 41 and an ice maker 42, and also include a control module and a display screen. After a person clicks on a beverage on the display screen and pays through a QR code or a WeChat applet on the display screen, the coffee machine 15, the juicer 31, the milk foam machine 41 and the ice maker 42 issue voice reminders in sequence according to the type of recipe. The person places the cup at the drinking outlet of the coffee machine 15, the juicer 31, the milk foam machine 41 and the ice maker 42, and then after the machine where the cup is located starts working, a voice reminder is issued again to remind the person to place the cup at the drinking outlet of the next device. When the beverage is made at the last device, a voice reminder is given to the person that the beverage is made after the beverage is made.

[0036] Advantageously, the feedback voice message is performed after the device has finished working. The control panel in the device controls the voice speaker to work and broadcasts according to the preset prompt tone. The control panels of the coffee machine 15, the juice machine 31, the milk foam machine 41 and the ice machine 42 are all connected to the control module. The control module and the display screen can be integrated and can be operated using existing technologies such as computers.

[0037] Advantageously, before the device is operated, a sensor can be arranged at the position where the cup is placed to detect whether there is a cup. The machine will operate only after the cup is present, and will not operate when there is no cup.

[0038] Advantageously, the coffee machine 15 comprises a grinding device 13, an extraction device 14 is arranged at the lower side of the grinding device 13, the coffee machine 15 further comprises an independent stirring device 12, a coffee machine drinking outlet 11 is arranged in the coffee machine 15, drinking outlets of the extraction device 14 and the independent stirring device 12 are connected with the coffee machine drinking outlet 11, the extraction device 14 and the independent stirring device 12 are prior art, the extraction device 14 can extract the coffee powder processed by the grinding device 13 to flow out the ground coffee liquid, and the independent stirring device 12 can stir the instant coffee powder separately to soak and flow out the instant coffee.

[0039] Advantageously, the grinding device 13 includes a bean storage box 25, the bottom of which is connected to a grinder 23, a vibration motor 24 is provided on the outside of the bean storage box 25, and the vibration motor 24 accelerates and vibrates the coffee beans into the grinder 23 after operation, and a lower side outlet 21 is provided at the bottom of the grinder 23, and the lower side outlet 21 is connected to the feed port of the extraction device 14.

[0040] Advantageously, the juicer 31 includes a juice outlet 32, a plurality of pulp bags 33 are arranged in the juicer 31, a peristaltic pump 35 is connected to one side of the pulp bag 33, a Y-type three-way valve 61 is connected to one side of the peristaltic pump 35, the Y-type three-way valve 61 is connected to the juice outlet 32, and a one-inlet-four-outlet valve 62 is also connected to the other side of the Y-type three-way valve 61, a cold and hot water module is connected to the water inlet of the one-inlet-four-outlet valve 62, and an evaporator 36 is also arranged in the juicer 31.

[0041] Advantageously, an evaporator one-way valve 71 is provided on one side of the evaporator 36 , and the evaporator one-way valve 71 is connected to the external space for discharging waste water generated by the evaporator 36 .

[0042] Advantageously, the hot and cold water module includes a juicer bucket 67, which is disposed in the external space, one side of the juicer bucket 67 is connected to a first diaphragm pump 72, one side of the first diaphragm pump 72 is connected to a juicer water tank 73, one side of the juicer water tank 73 is connected to a cold water module, and the other side of the juicer water tank 73 is connected to a hot water module, one side of the water inlet of the one-inlet-four-outlet valve 62 is connected to a first T-type four-way valve 63, and the first T-type four-way valve 63 is connected to the The cold water module is connected to the hot water module, and a first air pump 64 is also provided on one side of the water inlet of the first T-type four-way valve 63. After the first T-type four-way valve 63 closes the cold water module and the hot water module, air is blown through the pipelines of the first air pump 64, the one-inlet and four-outlet valve 62, the Y-type three-way valve 61 and the juice outlet nozzle 32 to blow away the residual water. A second T-type four-way valve 74 is also provided on one side of the juicer water tank 73, and the second T-type four-way valve 74 is connected to the cold water module and the hot water module.

[0043] Advantageously, a first one-way valve 68 is provided in communication between the juicer water barrel 67 and the juicer water tank 73 , and a second one-way valve 69 is provided in communication in the return water path between the juicer water tank 73 and the juicer water barrel 67 .

[0044] Advantageously, a first drain connector 75 is provided on one side of the water outlet of the second T-shaped four-way valve 74, and the first drain connector 75 is used for draining water.

[0045] Advantageously, the cold water module includes a first radar ultrasonic flow meter 76 connected to the second T-type four-way valve 74, one side of the first radar ultrasonic flow meter 76 is connected to a second diaphragm pump 77, one side of the second diaphragm pump 77 is connected to a quick cooler 37, and the quick cooler 37 is connected to the first T-type four-way valve 63.

[0046] Advantageously, the hot water module includes a second radar ultrasonic flow meter 66 connected to the second T-type four-way valve 74, one side of the second radar ultrasonic flow meter 66 is connected to a third diaphragm pump 65, one side of the third diaphragm pump 65 is connected to an instant heating component 34, and the instant heating component 34 is connected to the first T-type four-way valve 63.

[0047] The water is pumped into the instant heating component 34 through the third diaphragm pump 65 for heating, and hot water is provided to the one-inlet-four-outlet valve 62. The water is pumped into the quick cooler 37 for cooling through the second diaphragm pump 77, and cold water is provided to the one-inlet-four-outlet valve 62. The water flowing out of the one-inlet-four-outlet valve 62 is mixed with the fruit pulp pumped out by the peristaltic pump 35 at the Y-type three-way valve 61, and cold juice or hot juice is discharged to the juice outlet 32.

[0048] Advantageously, the milk froth machine 41 comprises a milk froth machine water bucket 89, a milk froth machine water tank 94, a milk box 83, a milk froth machine water outlet 78 and a milk froth machine evaporator 81, the milk froth machine water bucket 89 is arranged in the external space, a seesaw valve 84 is connected to one side of the milk box 83, a water channel module is connected to the other liquid inlet of the seesaw valve 84, a milk froth module is connected to one side of the liquid outlet of the seesaw valve 84, and the milk froth module is connected to the milk froth machine water outlet 78.

[0049] Advantageously, a milk froth machine evaporator one-way valve 82 is provided on one side of the milk froth machine evaporator 81 , and the milk froth machine evaporator one-way valve 82 is used to discharge the water generated by the milk froth machine evaporator 81 .

[0050] Advantageously, the water circuit module includes a fourth one-way valve 92 connected to a milk froth machine water bucket 89, a fourth diaphragm pump 93 is provided on one side of the fourth one-way valve 92, the fourth diaphragm pump 93 is connected to a milk froth machine water tank 94, a third one-way valve 91 is provided on a return water path of the milk froth machine water tank 94, the third one-way valve 91 is connected to the milk froth machine water bucket 89, a first T-type three-way valve 95 is provided on one side of a water supply path of the milk froth machine water tank 94, a second drain connector 96 is provided on one side of the first T-type three-way valve 95, the second drain connector 96 is used to discharge water, another water outlet of the first T-type three-way valve 95 is provided on one side, a fifth diaphragm pump 88 is provided on one side of the third radar ultrasonic flowmeter 87, a second T-type three-way valve 85 is provided on one side of the fifth diaphragm pump 88, a second T-type three-way valve 85 is provided on one side of the second T-type three-way valve 85, and a seesaw valve 84 is provided on one side of the second T-type three-way valve 85.

[0051] Advantageously, one end of the water inlet of the second T-type three-way valve 85 is connected to a second air pump 86, and the second air pump 86 is used to drain the water in the pipeline.

[0052] Advantageously, the milk froth module includes a third T-type three-way valve 97 connected to the seesaw valve 84, one end of the third T-type three-way valve 97 is connected to a fifth one-way valve 98, the other end of the third T-type three-way valve 97 is connected to a gear pump 80, one side of the fifth one-way valve 98 is connected to a high-frequency valve 99, the outlet end of the gear pump 80 is connected to a disc-type hot water pump 79, and the disc-type hot water pump 79 is connected to the water outlet nozzle 78 of the milk froth machine.

[0053] Milk liquid is loaded in the milk box 83, and water is supplied to the seesaw valve 84 through the milk frothing machine water bucket 89 and the milk frothing machine water tank 94 to mix with the milk liquid. Then, cold milk foam is supplied to the milk frothing machine water outlet 78 through the action of the high-frequency valve 99 and the gear pump 80. After the disc-type hot water pump 79 works, the cold milk foam is heated to form hot milk foam and discharged from the milk frothing machine water outlet 78.

[0054] Advantageously, the ice maker 42 includes an ice outlet nozzle 44 and an ice weighing assembly 43, wherein the ice weighing assembly 43 is of prior art, the ice outlet nozzle 44 is connected to the ice weighing assembly 43, and further includes a water tank 52, wherein a compressor 54 for ice making is provided at the lower side of the water tank 52, an ice maker 53 is provided at the upper side of the compressor 54, an ice bucket 51 is provided at the upper side of the ice maker 53, and the ice bucket 51 is connected to one side of the ice bucket 51 and is connected to the ice weighing assembly 43, the compressor 54 for ice making supplies cooling to the ice maker 53, makes the water in the water tank 52 into ice cubes and transports them to the ice bucket 51, and then weighs the ice through the ice weighing assembly 43 to guide the ice cubes out of the ice outlet nozzle 44, and an ice making condenser 55 is also provided in the ice maker 42.

[0055] In the first embodiment, the method for making hot juice by the juicer 31 is as follows: the first step is to open the electromagnetic valves corresponding to the one-inlet and four-outlet ports; the second step is to open the instant heating component 34. When the instant heating component 34 is turned on, the instant heating module is also turned on to heat the water in the pipeline. When the water volume cannot be reached within the set time, a water shortage fault is reported. When the set temperature cannot be reached within the set time, a heating failure fault is reported. After 3 seconds of water discharge, the peristaltic pump 35 corresponding to the beverage is started again; the third step is to detect the pipeline flow rate by using a radar ultrasonic flowmeter after the peristaltic pump 35 works. If there is flow, the drink is discharged normally. If there is no flow, a material shortage fault is reported and the relevant electrical components are stopped. In this process, the amount of flow is controlled according to the power-on time of the peristaltic pump, and the operation is stopped when the time is reached; the fourth step is to blow out the remaining residual water in the pipeline after the first blowing pump works.

[0056] In the second embodiment, the method for making cold juice by the juicer 31 is as follows: the first step is to open the electromagnetic valves corresponding to the one-inlet and four-outlet ports; the second step is to open the quick cooler 37, and when the water in the refrigeration pipeline cannot reach the water volume within the set time, a water shortage fault is reported, and after 3 seconds of water discharge, the peristaltic pump 35 of the corresponding beverage is started; the third step is to use the radar ultrasonic flow meter to detect the pipeline flow after the peristaltic pump 35 works. If there is flow, the drink is discharged normally. If there is no flow, a material shortage fault is reported, and the relevant electrical components are stopped. In this process, the amount of flow is controlled according to the power-on time of the peristaltic pump, and the operation is stopped when the time is reached; the fourth step is to blow out the remaining residual water in the pipeline after the first blowing pump works.

[0057] Embodiment 3, the method for making milk froth by the milk froth machine 41 is as follows: first, the control panel of the milk froth machine 41 reads the inventory number, and the device works to make milk froth only when there is material, and reports a material shortage fault when there is no material; second, open the seesaw valve; third, start the gear pump, and according to the material discharge amount per unit time, the software algorithm issues the corresponding material discharge time, and the gear pump rotates forward to discharge milk; fourth, start the high-frequency valve; fifth, if hot milk froth is made, the disc-type hot water pump is powered on for heating, and the PID temperature control method is adopted through the heating outlet temperature detection; sixth, after the production is completed, the cleaning stage is entered, the seesaw valve is closed, the disc-type hot water pump is started to clean the pipeline, the second air blowing pump is started to blow away the residual water in the pipeline, and then the gear pump is closed to complete the production.

[0058] Advantageously, the disc-type hot water pump is turned off after the operation is completed, and the gear pump continues to operate during the cleaning.

[0059] Embodiment 4, the refrigeration control method of the milk frothing machine 41 is as follows: the first step, the temperature sensing probe in the milk frothing machine 41 determines whether to start the compressor, when the temperature is higher than the set value and the temperature difference is 4°C, the compressor and the evaporator fan are started for refrigeration, and when the temperature is lower than the set value, it remains unchanged; the second step, defrosting is required during the refrigeration process, the compressor is stopped, the evaporator fan is started, and the defrosting is performed once every 2 hours, and the defrosting time interval is 30 minutes. After the defrosting is completed, the temperature sensing probe in the milk frothing machine 41 determines whether the internal temperature of the milk frothing machine 41 is within the set range, if not within the range, the refrigeration is started, and if within the range, the refrigeration system is stopped.

[0060] Embodiment 5, the refrigeration control method of the juicer 31 is as follows: the first step, the temperature sensing probe in the juicer 31 determines whether to start the evaporator 36, when the temperature is higher than the set value, and the temperature difference is 4°C, the evaporator 36 and the evaporator fan are started for refrigeration, and when the temperature is lower than the set value, it is maintained unchanged; the second step, defrosting is required during the refrigeration process, the compressor is stopped, the evaporator fan is started, and the defrosting is performed once every 2 hours, and the defrosting time interval is 30 minutes. After the defrosting is completed, the temperature sensing probe in the milk frothing machine 41 determines whether the internal temperature of the milk frothing machine 41 is within the set range, if not within the range, the refrigeration is started, and if within the range, the refrigeration system is stopped; the third step, the evaporation temperature of the quick cooling tube is determined according to the NTC method.

[0061] When the device is working, the corresponding product is paid through the mini program or scanning the QR code on the screen. After the payment is completed, according to the required recipe, the corresponding coffee machine 15, juice machine 31, milk foam machine 41 and ice machine 42 can respectively issue voice reminders. The staff puts the cups into the drinking outlet of the coffee machine 15, juice machine 31, milk foam machine 41 or ice machine 42 in order, so that different materials can be received to form different types of drinks, which is very convenient.

[0062] The above are only specific implementation methods of the present invention, but the protection scope of the present invention is not limited to this. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the present invention; therefore, the protection scope of the present invention should be based on the protection scope defined in the claims.

Claims

1. A combined beverage machine, comprising a coffee machine (15), a juice machine (31), a milk frothing machine (41) and an ice making machine (42), and also comprising a control module and a display screen, characterized in that: When making a drink, the coffee machine (15), juice machine (31), milk froth machine (41) and ice machine (42) issue voice reminders in sequence according to the type of recipe, and the person places the cup at the drinking outlet of the coffee machine (15), juice machine (31), milk froth machine (41) or ice machine (42). Then, after the machine where the cup is located starts working, voice is issued again to remind the person to place the cup at the drinking outlet of the next device. When the drink is made at the last device, voice reminds the person that the drink is made. Sensors are arranged in the coffee machine (15), juice machine (31), milk froth machine (41) and ice machine (42) to detect whether there is a cup. The machine will only operate when there is a cup, and will not operate when there is no cup.

2. A combined beverage machine according to claim 1, characterized in that: The coffee machine (15) comprises a grinding device (13), an extraction device (14) is arranged at the lower side of the grinding device (13), the coffee machine (15) further comprises an independent stirring device (12), a coffee machine drinking outlet (11) is arranged in the coffee machine (15), and the drinking outlets of the extraction device (14) and the independent stirring device (12) are connected to the coffee machine drinking outlet (11).

3. A combined beverage machine according to claim 2, characterized in that: The grinding device (13) comprises a bean storage box (25), the bottom of the bean storage box (25) is connected to a grinder (23), a vibration motor (24) is arranged outside the bean storage box (25), and a lower outlet (21) is arranged at the bottom of the grinder (23), and the lower outlet (21) is connected to the feed inlet of the extraction device (14).

4. A combined beverage machine according to claim 1, characterized in that: The juicer (31) comprises a juice outlet (32). A plurality of pulp bags (33) are arranged in the juicer (31). A peristaltic pump (35) is arranged on one side of the pulp bag (33). A Y-type three-way valve (61) is arranged on one side of the peristaltic pump (35). The Y-type three-way valve (61) is connected to the juice outlet (32). A one-inlet-four-outlet valve (62) is arranged on the other side of the Y-type three-way valve (61). A cold and hot water module is connected to the water inlet of the one-inlet-four-outlet valve (62). An evaporator (36) is also arranged in the juicer (31).

5. A combined beverage machine according to claim 4, characterized in that: The cold and hot water module comprises a juicer water bucket (67), the juicer water bucket (67) being arranged in an external space, one side of the juicer water bucket (67) being connected to a first diaphragm pump (72), one side of the first diaphragm pump (72) being connected to a juicer water tank (73), one side of the juicer water tank (73) being connected to a cold water module, and the other side of the juicer water tank (73) being connected to a hot water module, one side of the water inlet of the one-inlet-four-outlet valve (62) being connected to a first T-type four-way valve (63), the first T-type four-way valve (63) being connected to the cold water module and the hot water module, one side of the water inlet of the first T-type four-way valve (63) being connected to a first blowing pump (64), one side of the juicer water tank (73) being connected to a second T-type four-way valve (74), the second T-type four-way valve (74) being connected to the cold water module and the hot water module.

6. A combined beverage machine according to claim 5, characterized in that: The cold water module comprises a first radar ultrasonic flow meter (76) connected to the second T-type four-way valve (74); one side of the first radar ultrasonic flow meter (76) is connected to a second diaphragm pump (77); one side of the second diaphragm pump (77) is connected to a quick cooler (37); the quick cooler (37) is connected to the first T-type four-way valve (63).

7. The combined beverage machine according to claim 5, characterized in that: The hot water module comprises a second radar ultrasonic flow meter (66) connected to the second T-type four-way valve (74); one side of the second radar ultrasonic flow meter (66) is connected to a third diaphragm pump (65); one side of the third diaphragm pump (65) is connected to an instant heating component (34); and the instant heating component (34) is connected to the first T-type four-way valve (63).

8. A combined beverage machine according to any one of claims 1 to 7, characterized in that: The milk frothing machine (41) comprises a milk frothing machine water bucket (89), a milk frothing machine water tank (94), a milk box (83), a milk frothing machine water outlet (78) and a milk frothing machine evaporator (81); the milk frothing machine water bucket (89) is arranged in an external space; one side of the milk box (83) is connected to a seesaw valve (84); the other liquid inlet of the seesaw valve (84) is connected to a water channel module; one side of the liquid outlet of the seesaw valve (84) is connected to a milk frothing module; and the milk frothing module is connected to the milk frothing machine water outlet (78).

9. A combined beverage machine according to claim 8, characterized in that: The water circuit module comprises a fourth one-way valve (92) connected to the milk froth machine water bucket (89), a fourth diaphragm pump (93) is arranged on one side of the fourth one-way valve (92), the fourth diaphragm pump (93) is connected to the milk froth machine water tank (94), a third one-way valve (91) is arranged on the return water circuit of the milk froth machine water tank (94), the third one-way valve (91) is connected to the milk froth machine water bucket (89), a first T-shaped three-way valve (95) is arranged on one side of the water supply circuit of the milk froth machine water tank (94), One side of the first T-type three-way valve (95) is connected to a second drainage joint (96), and the second drainage joint (96) is used to discharge water. Another water outlet of the first T-type three-way valve (95) is connected to a third radar ultrasonic flowmeter (87). One side of the third radar ultrasonic flowmeter (87) is connected to a fifth diaphragm pump (88). One side of the fifth diaphragm pump (88) is connected to the second T-type three-way valve (85). One side of the second T-type three-way valve (85) is connected to the seesaw valve (84).

10. The combined beverage machine according to claim 8, characterized in that: The milk frothing module comprises a third T-type three-way valve (97) connected to the seesaw valve (84); one end of the third T-type three-way valve (97) is connected to a fifth one-way valve (98); the other end of the third T-type three-way valve (97) is connected to a gear pump (80); one side of the fifth one-way valve (98) is connected to a high-frequency valve (99); the outlet end of the gear pump (80) is connected to a disc-type hot water pump (79); and the disc-type hot water pump (79) is connected to the water outlet nozzle (78) of the milk frothing machine.

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