CN113558474A - Milk foam machine with cold and hot functions and working method thereof - Google Patents

Abstract

The invention relates to the technical field of milk foam machines, and discloses a milk foam machine with a cold and hot function and a working method thereof, wherein the milk foam machine comprises a control device and a waterway mechanism; the water path mechanism is provided with four groups of valves, a heating block, a heat regulating valve and a cold regulating valve, a milk pump is used for pumping and mixing milk and air together to prepare milk foam, the milk foam flows out from a milk outlet, meanwhile, the heat regulating valve and the cold regulating valve can regulate the size of inlet air, the four groups of valves can regulate the water inflow and the milk inflow to control the proportion of the milk and the milk foam, the heating block can control the temperature, the water path mechanism is different from the prior art that a steam pipe is inserted into a milk cylinder, and the milk is driven to roll through steam, and the temperature and the air inflow can be controlled.

Description

Milk foam machine with cold and hot functions and working method thereof

Technical Field

The invention relates to the technical field of milk foam machines, in particular to a milk foam machine with a cooling and heating function and a working method thereof.

Background

When coffee is drunk usually, fine and smooth milk foam is added, so that the taste is better, a heating plate or a heating pipe is generally used for heating, the heating plate or the heating pipe is used for heating, the heating and stirring requirements on beverages are higher and higher, particularly, the milk foam has higher and higher requirements, and the taste of the milk beverage or the coffee beverage after being stirred and foamed is better.

The existing milk foaming method is that a steam pipe is directly inserted into a milk cylinder, and the steam drives milk to roll so that the steam and the milk are mixed to form a dense milk foam.

Disclosure of Invention

In order to solve the above mentioned drawbacks in the background art, the present invention provides a milk frother with cooling and heating functions and a working method thereof, wherein the milk frother comprises a control device and a waterway mechanism; the water path mechanism is provided with four groups of valves, a heating block, a heat regulating valve and a cold regulating valve, a milk pump is used for pumping and mixing milk and air together to prepare milk foam, the milk foam flows out from a milk outlet, meanwhile, the heat regulating valve and the cold regulating valve can regulate the size of inlet air, the four groups of valves can regulate the water inflow and the milk inflow to control the proportion of the milk and the milk foam, the heating block can control the temperature, the water path mechanism is different from the prior art that a steam pipe is inserted into a milk cylinder, and the milk is driven to roll through steam, and the temperature and the air inflow can be controlled.

The purpose of the invention can be realized by the following technical scheme:

a milk frother with cold and hot function and its working method, the said milk frother includes controlling device and waterway mechanism;

the control device comprises a control main board, wherein a main board Q1 interface of the control main board is electrically connected with a hot-cold switching electromagnetic valve DF6, a main board Q4 interface is electrically connected with a milk outlet electromagnetic valve DF5, a main board Q12 interface is electrically connected with an air inlet switching electromagnetic valve DF7, a main board Q8 interface is electrically connected with four groups of valves, namely a hot water electromagnetic valve DF1, a main board Q9 interface is electrically connected with four groups of valves, namely a cold water electromagnetic valve DF2, a main board Q10 interface is electrically connected with four groups of valves, namely a milk electromagnetic valve DF3, and a main board Q11 is electrically connected with four groups of valves, namely an air electromagnetic valve DF 4;

the waterway mechanism comprises a storage mechanism, four groups of valves, a heating mechanism, a milk pump, DF5, DF6 and DF7, wherein the DF5, the DF6 and the DF7 are all three-way valves, the storage mechanism comprises four storage mechanisms of cold water, hot water, milk and air, the four storage mechanisms are sequentially communicated, the four storage mechanisms are sequentially provided with four groups of valves, namely a cold water electromagnetic valve DF2, four groups of valves, namely a hot water electromagnetic valve DF1, four groups of valves, namely a milk electromagnetic valve DF3 and four groups of valves, namely an air electromagnetic valve DF4, the cold water storage mechanism is communicated with a water inlet, the milk storage mechanism is communicated with a milk box, the cold water storage mechanism is communicated with the heating mechanism, one end of the heating mechanism is communicated with the hot water storage mechanism, the other end of the heating mechanism is provided with a three-way valve, one end of the three-way valve is communicated with the DF6, and the other end of the three-way valve is communicated with the DF 5.

Further, mainboard Q5 interface electric connection of control mainboard has the positive negative pole of relay, an output of relay respectively with main power supply wire holder 220V anodal electric connection, another output and the heating piece electric connection of relay, the negative pole and the main power supply wire holder 220V negative pole electric connection of heating piece, main power supply wire holder and ox power electric connection, ox power electric connection has the rectifier bridge.

Further, the rectifier bridge is electrically connected with a direct current drive board, the rectifier bridge is electrically connected with the main board, OUT2 and OUT1 interfaces of the direct current drive board are electrically connected with the positive and negative electrodes of the pump respectively, and 5V0, PWM, IN1, IN2 and COM interfaces of the direct current drive board are electrically connected with corresponding interfaces of the main board respectively.

Furthermore, the T1 interface of the main board is electrically connected with an M4 temperature probe, and the IN4 interface of the main board is electrically connected with a photoelectric sensor.

Further, three valve ports 1, 2 and 3 of the three-way valve DF5 are respectively communicated with a milk outlet, a heating block and a water tray, three valve ports 1, 2 and 3 of the three-way valve DF6 are respectively communicated with a three-way valve of a heating mechanism inlet, a milk pump and a heating mechanism outlet, the milk pump is communicated with a storage mechanism, and three valve ports 1, 2 and 3 of the three-way valve DF7 are respectively communicated with a thermal regulating valve, a storage mechanism and a cold regulating valve.

A working method of a milk frother with cold and hot functions comprises the following steps:

preparing hot milk foam: closing four groups of valves, namely a cold water electromagnetic valve DF2 and four groups of valves, namely a hot water electromagnetic valve DF1, opening four groups of valves, namely a milk electromagnetic valve DF3 and four groups of valves, namely an air electromagnetic valve DF4, opening 1 and 2 valve ports of the DF7, closing 3 valve port of the DF7, opening 1 valve port and 2 valve port of the DF6, closing 3 valve port of the DF6, opening a heat regulating valve, pumping out and mixing milk and air together by using a milk pump, heating by a heating block, opening 1 valve port and 2 valve port of the DF5, closing 3 valve port of the DF5, and enabling hot milk bubbles to flow out of a milk outlet;

preparing cold milk foam: closing four groups of valves, namely a cold water electromagnetic valve DF2 and four groups of valves, namely a hot water electromagnetic valve DF1, opening four groups of valves, namely a milk electromagnetic valve DF3 and four groups of valves, namely an air electromagnetic valve DF4, opening 2 and 3 ports of the DF7, closing 1 port of the DF7, opening 2 port and 3 port of the DF6, closing 1 port of the DF6, opening a cold regulating valve, pumping milk and air together by using a milk pump, mixing the milk and the air, opening 1 port and 2 port of the DF5 without a heating mechanism, closing 3 port of the DF5, and allowing cold milk bubbles to flow out from a milk outlet.

The invention has the beneficial effects that:

the invention is provided with four groups of valves, a heating block, a heat regulating valve and a cold regulating valve, wherein a milk pump is used for pumping and mixing milk and air together to prepare milk bubbles, and then the milk bubbles flow out from a milk outlet, meanwhile, the heat regulating valve and the cold regulating valve can regulate the size of inlet air, the four groups of valves can regulate the water inflow and the size of the inlet air to control the proportion of the milk and the milk bubbles, the heating block can control the temperature, and the invention can control the temperature and the air inflow by being different from the prior method that a steam pipe is inserted into a milk cylinder and the milk is driven to roll by steam.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is an overall circuit schematic of the present invention;

FIG. 2 is a schematic view of the water circuit of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

As shown in figure 1, the milk frother with the cooling and heating functions comprises a control device and a waterway mechanism.

The control device comprises a control main board, wherein a main board Q1 interface of the control main board is electrically connected with a hot-cold switching electromagnetic valve DF6, a main board Q4 interface is electrically connected with a milk outlet electromagnetic valve DF5, a main board Q12 interface is electrically connected with an air inlet switching electromagnetic valve DF7, a main board Q8 interface is electrically connected with a four-group valve-hot water electromagnetic valve DF1, a main board Q9 interface is electrically connected with a four-group valve-cold water electromagnetic valve DF2, a main board Q10 interface is electrically connected with a four-group valve-milk electromagnetic valve DF3, and a main board Q11 is electrically connected with a four-group valve-air electromagnetic valve DF 4.

Mainboard Q5 interface electric connection of control mainboard has the positive negative pole of relay, an output of relay respectively with total power supply wire holder 220V anodal electric connection, another output and the heating piece electric connection of relay, the negative pole and the total power supply wire holder 220V negative pole electric connection of heating piece, total power supply wire holder and ox power electric connection, ox power electric connection has the rectifier bridge.

The rectifier bridge is electrically connected with the direct current drive board, the rectifier bridge is electrically connected with the main board, OUT2 and OUT1 interfaces of the direct current drive board are electrically connected with the positive and negative electrodes of the pump respectively, and 5V0, PWM, IN1, IN2 and COM interfaces of the direct current drive board are electrically connected with corresponding interfaces of the main board respectively.

The T1 interface electrical connection of mainboard has M4 temperature to visit the piece, and the IN4 interface electrical connection of mainboard has photoelectric sensor.

As shown in fig. 2, the waterway mechanism includes a storage mechanism, four sets of valves, a heating mechanism, a milk pump, a DF5, a DF6 and a DF7, the DF5, the DF6 and the DF7 are all three-way valves, the storage mechanism includes four storage mechanisms of cold water, hot water, milk and air, the four storage mechanisms are sequentially communicated, and four storage mechanisms are sequentially provided with a four set of valves-cold water solenoid valve DF2, a four set of valves-hot water solenoid valve DF1, a four set of valves-milk solenoid valve DF3 and a four set of valves-air solenoid valve DF4, the cold water storage mechanism is communicated with a water inlet, the milk storage mechanism is communicated with a milk tank, the cold water storage mechanism is communicated with a heating mechanism, and the heating mechanism is communicated with a hot water storage mechanism.

The three valve ports 1, 2 and 3 of the three-way valve DF5 are respectively communicated with a milk outlet, a heating block and a water tray, the three valve ports 1, 2 and 3 of the three-way valve DF6 are respectively communicated with a three-way valve of a heating mechanism inlet, a milk pump and a heating mechanism outlet, the milk pump is communicated with a storage mechanism, the three valve ports 1, 2 and 3 of the three-way valve DF7 are respectively communicated with a heat regulating valve, a storage mechanism and a cold regulating valve, and the heat regulating valve and the cold regulating valve are used for regulating air inflow because the air inflow required for producing hot milk foam and cold milk foam is different.

The working principle is as follows: when hot milk foam needs to be made, closing four groups of valves, namely a cold water electromagnetic valve DF2 and four groups of valves, namely a hot water electromagnetic valve DF1, opening four groups of valves, namely a milk electromagnetic valve DF3 and four groups of valves, namely an air electromagnetic valve DF4, opening 1 and 2 valve ports of the DF7, closing 3 valve port of the DF7, opening 1 valve port and 2 valve port of the DF6, closing 3 valve port of the DF6, opening a heat regulating valve, pumping milk and air by using a milk pump, mixing, heating by a heating block, opening 1 valve port and 2 valve port of the DF5, closing 3 valve port of the DF5, allowing hot milk foam to flow out from a milk outlet, closing four groups of valves, namely the cold water electromagnetic valve 2 and four groups of valves, namely the hot water DF electromagnetic valve DF1, opening four groups of valves, namely the milk electromagnetic valve DF3 and four groups of valves, namely the air electromagnetic valve DF4, opening 2 and 3 valve ports of the DF7, closing 1 valve port and 2 valve port of the DF7, opening 3 valve port of the DF6, the method is characterized in that a valve port 1 of DF6 is closed, a cold regulating valve is opened, milk and air are pumped and mixed together by using a milk pump, the milk and the air do not pass through a heating mechanism, a valve port 1 and a valve port 2 of DF5 are opened, a valve port 3 of DF5 is closed, cold milk foam flows out from a milk outlet, and meanwhile, the milk inlet amount can be regulated by four groups of valves, namely a milk electromagnetic valve DF3, so as to control the ratio of milk and milk foam.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (6)

1. A milk frother with cold and hot function is characterized in that the milk frother comprises a control device and a waterway mechanism;

the control device comprises a control main board, wherein a main board Q1 interface of the control main board is electrically connected with a hot-cold switching electromagnetic valve DF6, a main board Q4 interface is electrically connected with a milk outlet electromagnetic valve DF5, a main board Q12 interface is electrically connected with an air inlet switching electromagnetic valve DF7, a main board Q8 interface is electrically connected with four groups of valves, namely a hot water electromagnetic valve DF1, a main board Q9 interface is electrically connected with four groups of valves, namely a cold water electromagnetic valve DF2, a main board Q10 interface is electrically connected with four groups of valves, namely a milk electromagnetic valve DF3, and a main board Q11 is electrically connected with four groups of valves, namely an air electromagnetic valve DF 4;

the waterway mechanism comprises a storage mechanism, four groups of valves, a heating mechanism, a milk pump, DF5, DF6 and DF7, wherein the DF5, the DF6 and the DF7 are all three-way valves, the storage mechanism comprises four storage mechanisms of cold water, hot water, milk and air, the four storage mechanisms are sequentially communicated, the four storage mechanisms are sequentially provided with four groups of valves, namely a cold water electromagnetic valve DF2, four groups of valves, namely a hot water electromagnetic valve DF1, four groups of valves, namely a milk electromagnetic valve DF3 and four groups of valves, namely an air electromagnetic valve DF4, the cold water storage mechanism is communicated with a water inlet, the milk storage mechanism is communicated with a milk box, the cold water storage mechanism is communicated with the heating mechanism, one end of the heating mechanism is communicated with the hot water storage mechanism, the other end of the heating mechanism is provided with a three-way valve, one end of the three-way valve is communicated with the DF6, and the other end of the three-way valve is communicated with the DF 5.

2. A milk frother with cold and hot functions as claimed in claim 1, wherein the Q5 interface of the main board of the control main board is electrically connected with the positive and negative poles of a relay, one output end of the relay is electrically connected with the 220V positive pole of the main power supply connection base, the other output end of the relay is electrically connected with a heating block, the negative pole of the heating block is electrically connected with the 220V negative pole of the main power supply connection base, the main power supply connection base is electrically connected with a cattle power supply, and the cattle power supply is electrically connected with a rectifier bridge.

3. A milk frother with cold and hot functions as claimed IN claim 2, wherein the rectifier bridge is electrically connected with a dc driving board, and the rectifier bridge is electrically connected with the main board, the OUT2 and OUT1 interfaces of the dc driving board are electrically connected with the positive and negative electrodes of the pump respectively, and the 5V0, PWM, IN1, IN2 and COM interfaces of the dc driving board are electrically connected with the corresponding interfaces of the main board respectively.

4. The milk frother with cold and hot functions as claimed IN claim 1, wherein the T1 interface of the main board is electrically connected with an M4 temperature probe, and the IN4 interface of the main board is electrically connected with a photoelectric sensor.

5. A cold and hot milk maker according to claim 1, wherein three ports 1, 2 and 3 of the three-way valve DF5 are respectively connected to the milk outlet, the heating block and the water tray, three ports 1, 2 and 3 of the three-way valve DF6 are respectively connected to the three-way valve of the heating mechanism inlet, the milk pump and the heating mechanism outlet, the milk pump is connected to the storage mechanism, and three ports 1, 2 and 3 of the three-way valve DF7 are respectively connected to the hot regulating valve, the storage mechanism and the cold regulating valve.

6. An operation method of a milk frother with cold and hot functions, comprising the milk frother with cold and hot functions as claimed in any one of claims 1 to 5, the operation method comprises:

preparing hot milk foam: closing four groups of valves, namely a cold water electromagnetic valve DF2 and four groups of valves, namely a hot water electromagnetic valve DF1, opening four groups of valves, namely a milk electromagnetic valve DF3 and four groups of valves, namely an air electromagnetic valve DF4, opening 1 and 2 valve ports of the DF7, closing 3 valve port of the DF7, opening 1 valve port and 2 valve port of the DF6, closing 3 valve port of the DF6, opening a heat regulating valve, pumping out and mixing milk and air together by using a milk pump, heating by a heating block, opening 1 valve port and 2 valve port of the DF5, closing 3 valve port of the DF5, and enabling hot milk bubbles to flow out of a milk outlet;

preparing cold milk foam: closing four groups of valves, namely a cold water electromagnetic valve DF2 and four groups of valves, namely a hot water electromagnetic valve DF1, opening four groups of valves, namely a milk electromagnetic valve DF3 and four groups of valves, namely an air electromagnetic valve DF4, opening 2 and 3 ports of the DF7, closing 1 port of the DF7, opening 2 port and 3 port of the DF6, closing 1 port of the DF6, opening a cold regulating valve, pumping milk and air together by using a milk pump, mixing the milk and the air, opening 1 port and 2 port of the DF5 without a heating mechanism, closing 3 port of the DF5, and allowing cold milk bubbles to flow out from a milk outlet.

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