CN215533648U - Milk heating device for automatic beverage preparation equipment and automatic beverage preparation equipment - Google Patents
Milk heating device for automatic beverage preparation equipment and automatic beverage preparation equipment Download PDFInfo
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- CN215533648U CN215533648U CN202121661323.7U CN202121661323U CN215533648U CN 215533648 U CN215533648 U CN 215533648U CN 202121661323 U CN202121661323 U CN 202121661323U CN 215533648 U CN215533648 U CN 215533648U
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Abstract
The utility model relates to a milk heating device for an automatic beverage preparation device and the automatic beverage preparation device. Milk heating device includes the venturi device, be equipped with at least on the venturi device with the first interface of milk input pipeline intercommunication, with the second interface of steam input pipeline intercommunication and with the third interface of air input pipeline intercommunication, be provided with the heater on the milk input pipeline. The heater is used for preheating the milk about to get into the venturi device in advance, can improve the basic temperature of milk, and after milk after preheating and steam mix, steam carries out the secondary heating to milk, guarantees the heating temperature of milk. In addition, compared with the condition that the heater is not arranged, the viscosity and the density of the preheated milk are reduced, the milk can flow more easily, and when the temperature and the flow of the steam are fixed values or can only change in a small range, the milk inlet pipe diameter of the venturi device can be set to be larger, so that the making efficiency of the beverage is improved.
Description
Technical Field
The utility model belongs to the technical field of automatic beverage preparation, and particularly relates to a milk heating device for automatic beverage preparation equipment and the automatic beverage preparation equipment.
Background
At present, automatic beverage preparation devices (in particular coffee machines) on the market are generally equipped with a milk heater for preparing milk and/or milk foam. The milk heater preferably heats the milk by venturi principle, i.e. by generating a vacuum (venturi effect) by the steam jet in a suitably shaped nozzle (venturi nozzle), and by sucking the milk from the milk container by vacuum underpressure, the sucked milk is mixed with the steam injected into the nozzle, thus heating the milk. In addition, additional air can also be drawn in together with the steam jet in order to make the milk foam.
Taking coffee machines as an example, with the increasing market of coffee, the demands of consumers on coffee taste and cup-discharging efficiency are higher and higher. However, because of the limitation of the venturi principle, the temperature and the efficiency of the milk heating are in a reverse relation, that is, the temperature of the milk heating is increased, so that the manufacturing efficiency of the milk coffee is reduced, on the contrary, the manufacturing efficiency of the milk coffee is increased, so that the temperature of the milk heating is reduced, and if the temperature of the milk heating is not enough, the taste quality of the milk coffee is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a milk heating device for automatic beverage preparation equipment, which has both production efficiency and taste quality.
In order to achieve the above object, the present invention provides a milk heating device for an automatic beverage preparation device, the milk heating device comprising a venturi device, the venturi device being provided with at least a first port communicating with a milk input line, a second port communicating with a steam input line, and a third port communicating with an air input line, the milk input line being provided with a heater. When the Venturi device is used for sucking milk, the heater can preheat the milk which is about to enter the Venturi device in advance so as to improve the basic temperature of the milk, and after the preheated milk is mixed with steam, the steam heats the milk for the second time, so that the heating temperature of the milk can be ensured. In addition, compared with the condition that the heater is not arranged, the viscosity and the density of the preheated milk are reduced, the milk can flow more easily, when the temperature and the flow of the steam are fixed values or can only change in a small range, the diameter of the milk inlet pipe of the Venturi device can be set to be larger, the flowing milk quantity is increased, and therefore the making efficiency of the beverage is improved. In conclusion, the milk heating device can ensure the heating temperature of the milk and improve the preparation efficiency of the beverage by heating twice.
The heater may be a conductive heater. In one embodiment of the present invention, the conduction heater includes an aluminum body and a heating pipe disposed inside the aluminum body, the milk input pipe is disposed inside the aluminum body and spirally disposed around the heating pipe, and a spiral pipe is used to make a heating path of milk longer and sufficiently ensure a temperature of hot milk or hot milk foam. As a further alternative, the conduction heater may also be an aluminum sheet which is directly wrapped around the milk supply line.
The heater can also be a radiation heater which directly radiates heat energy to the milk input pipeline in an electromagnetic wave form to complete the heat transfer process. The radiant heater is preferably an infrared radiant heater.
The milk heating device further comprises a plurality of temperature sensors for measuring any one or more of the following temperatures: the milk temperature before flowing through the heating device, the milk temperature after flowing through the heating device and before flowing into the Venturi device, and the milk temperature and/or milk foam temperature output by the Venturi device. The measured temperature can optionally be presented to the user by means of an additional display device. The temperature sensors can also be connected with a control system, and the control system can control the heater according to the feedback results of the temperature sensors.
As another aspect of the present invention, there is also provided an automatic beverage preparation device having the above-mentioned milk heating apparatus, preferably a coffee maker.
Drawings
In order to more clearly illustrate the technical solutions in the specific embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive efforts.
Fig. 1 is a schematic structural view of an automatic beverage preparation apparatus according to a first embodiment of the present invention.
Reference numerals: 100-a water tank, 101-a water supply pipeline, 102-a flow meter, 103-a water pump, 104-a first heater and 105-an electromagnetic valve; 200-venturi device, 201-milk inlet line, 202-first interface, 203-second interface, 204-third interface, 205-second heater.
Detailed Description
The foregoing and other technical and scientific aspects, features and advantages of the present invention will be apparent from the following detailed description of a preferred embodiment, which is to be read in connection with the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are referred to only in the direction of the attached drawings. Accordingly, the directional terminology is used for purposes of illustration and is in no way limiting.
Example one
An automatic beverage preparation device, such as a coffee maker, please refer to fig. 1, comprising a steam supply unit and a milk heating device. Among them, the steam supply unit in the present embodiment includes a water tank 100, a flow meter 102, a water pump 103, a first heater 104, and an electromagnetic valve 105, which are connected in this order through a water supply line 101. When the beverage is prepared, the water pump 103 is powered on to work, so that water in the water tank 100 sequentially passes through the flow meter 102 and the water pump 103 through the water supply pipeline 101 to reach the first heater 104, the water is heated by the first heater 104 to generate water vapor, and the water vapor passes through the electromagnetic valve 105 and then reaches the milk heating device.
The milk heating device comprises a venturi device 200, a first interface 202 communicated with a milk input pipeline 201, a second interface 203 communicated with a steam input pipeline and a third interface 204 communicated with an air input pipeline are arranged on the venturi device 200, and a second heater 205 is arranged on the milk input pipeline 201. When the venturi device 200 is used to suck milk from the milk tank in this embodiment, the second heater 205 may preheat the milk to be introduced into the venturi device 200 in advance to increase the basic temperature of the milk, and after the preheated milk is mixed with steam, the steam heats the milk for the second time, so as to ensure the heating temperature of the milk. In addition, compared with the case that the second heater 205 is not provided, the viscosity and density of the preheated milk are reduced, the milk is easier to flow, when the temperature and flow rate of the steam are fixed values or can only change in a small range, the pipe diameter of the first interface 202 on the venturi device 200 can be set to be larger, and the amount of the milk flowing through is also increased, so that the making efficiency of the beverage is improved. In conclusion, the heating temperature of the milk can be ensured and the production efficiency of the beverage is improved through twice heating.
The second heater 205 in this embodiment is a conduction heater, the conduction heater includes an aluminum body and a heating pipe disposed inside the aluminum body, the milk input pipeline 201 is disposed inside the aluminum body and is spirally disposed around the heating pipe, and a spiral pipeline is adopted to make the heating path of the milk longer, so as to sufficiently ensure the temperature of the hot milk or the hot milk foam. In other embodiments, other heating devices, such as an aluminum sheet, an infrared radiation heater, etc., may be used, and the present invention is not particularly limited. The infrared radiation heater is preferably a searchlight, the searchlight is arranged around the heat conduction module, when milk enters a pipeline inside the heat conduction module, the searchlight receives an instruction of a control system to start heat radiation work, when the temperature of the milk in the pipeline reaches a preset temperature, the searchlight stops working, and the milk is heated. The first heater 104 and the second heater 205 may be the same or different.
The milk heating device of this embodiment further comprises a temperature sensor, which is disposed at the first port 202 (not shown in the figure) and is used for measuring the temperature of the milk flowing through the second heater 205 and before flowing into the venturi device 200. The control system is connected to the temperature sensor and controls the second heater 205 according to the feedback result of the temperature sensor, so as to ensure that the temperature of the milk entering the venturi device 200 is uniform. The measured temperature can be presented to the user by means of an additional display device (not shown in the figure).
Example two
The present embodiment differs from the first embodiment only in that the temperature sensor is arranged between the milk tank and the milk inlet line 201 for measuring the raw temperature of the milk before it flows into the second heater 205. Depending on the original temperature of the milk, the control system automatically determines the heating power of the heating device, for example, when the original temperature of the milk is measured to be 4 ℃, the heating power of the heating device is greater than the heating power of the milk when the original temperature is measured to be 10 ℃, so as to ensure that the temperature of the milk entering the venturi device 200 is uniform.
EXAMPLE III
In this embodiment, on the basis of the first embodiment, a second temperature sensor is further disposed between the milk tank and the milk inlet line 201 for measuring the original temperature of the milk before flowing into the second heater 205. The control system is connected to the two temperature sensors and controls the second heater 205 according to the feedback results of the two temperature sensors to ensure that the temperature of the milk entering the venturi device 200 is uniform.
Example four
The present embodiment differs from the first embodiment only in that the temperature sensor is arranged at the output of the venturi device 200 for measuring the milk temperature and/or the milk froth temperature output by the venturi device 200. The control system is connected with the temperature sensor and controls the second heater 205 according to the feedback result of the temperature sensor, so as to ensure that the milk temperature output by the venturi device 200 is uniform.
EXAMPLE five
In this embodiment, on the basis of the third embodiment, a third temperature sensor is further disposed at the output port of the venturi device 200, and is used for measuring the milk temperature and/or the milk froth temperature output by the venturi device 200. The control system is connected with the three temperature sensors and controls the second heater 205 according to the feedback results of the three temperature sensors, so as to ensure that the temperature of the milk entering the venturi device 200 and the temperature of the milk output by the venturi device 200 are uniform.
The milk heating device for an automatic beverage preparation device and the automatic beverage preparation device provided by the utility model are described in detail, and the structure and the working principle of the utility model are explained by applying specific examples, and the description of the above embodiments is only used for helping to understand the method and the core idea of the utility model. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A milk heating device for an automatic beverage preparation device, comprising a Venturi device (200), the Venturi device (200) being provided with at least a first port (202) communicating with a milk input line (201), a second port (203) communicating with a steam input line and a third port (204) communicating with an air input line; the milk heating device is characterized in that a heater (205) is arranged on the milk input pipeline (201).
2. Milk heating device according to claim 1, characterized in that the heater (205) is a conduction heater.
3. A milk heating apparatus as claimed in claim 2, wherein the conduction heater comprises an aluminium body and a heating tube disposed within the aluminium body, the milk inlet conduit being disposed within the aluminium body and being arranged helically around the heating tube.
4. A milk heating apparatus as claimed in claim 2, wherein the conduction heater is an aluminium sheet wrapped around the milk inlet line.
5. Milk heating device according to claim 1, characterized in that the heater (205) is a radiant heater.
6. A milk heating device according to claim 5, wherein the radiant heater is an infrared radiant heater.
7. A milk heating apparatus as claimed in any one of claims 1 to 6, further comprising a plurality of temperature sensors for measuring any one or more of: the milk temperature before flowing through the heating device, the milk temperature after flowing through the heating device and before flowing into the Venturi device, and the milk temperature and/or milk foam temperature output by the Venturi device.
8. Milk heating device according to claim 7, wherein the plurality of temperature sensors are connected to a control system.
9. An automatic beverage preparation device having a milk heating apparatus as claimed in any one of claims 1 to 8.
10. An automatic beverage preparation device according to claim 9, characterized in that it is a coffee machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121661323.7U CN215533648U (en) | 2021-07-21 | 2021-07-21 | Milk heating device for automatic beverage preparation equipment and automatic beverage preparation equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121661323.7U CN215533648U (en) | 2021-07-21 | 2021-07-21 | Milk heating device for automatic beverage preparation equipment and automatic beverage preparation equipment |
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| CN215533648U true CN215533648U (en) | 2022-01-18 |
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| CN202121661323.7U Active CN215533648U (en) | 2021-07-21 | 2021-07-21 | Milk heating device for automatic beverage preparation equipment and automatic beverage preparation equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116584817A (en) * | 2023-04-12 | 2023-08-15 | 苏州咖乐美咖啡机科技有限公司 | Water cleaning path of beverage machine, beverage machine and cleaning control method |
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2021
- 2021-07-21 CN CN202121661323.7U patent/CN215533648U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116584817A (en) * | 2023-04-12 | 2023-08-15 | 苏州咖乐美咖啡机科技有限公司 | Water cleaning path of beverage machine, beverage machine and cleaning control method |
| CN116584817B (en) * | 2023-04-12 | 2024-01-02 | 苏州咖乐美咖啡机科技有限公司 | Water cleaning path of beverage machine, beverage machine and cleaning control method |
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