CN215348495U - Automatic foaming device and coffee machine - Google Patents
Automatic foaming device and coffee machine Download PDFInfo
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- CN215348495U CN215348495U CN202121710812.7U CN202121710812U CN215348495U CN 215348495 U CN215348495 U CN 215348495U CN 202121710812 U CN202121710812 U CN 202121710812U CN 215348495 U CN215348495 U CN 215348495U
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Abstract
The embodiment of the utility model provides an automatic foaming device and a coffee machine, wherein the automatic foaming device comprises a machine body, a steam system, an inductor and a controller, wherein the bottom of the machine body is provided with a bearing surface; the steam system comprises a steam generating device and a steam rod, and the steam rod is connected with the steam generating device and suspended above the bearing surface; the sensor is arranged on the machine body and used for detecting the height of contents in the container on the bearing surface, generating a first signal when detecting that the liquid level in the container reaches a first threshold value, and generating a second signal when detecting that the liquid level in the container rises to a second threshold value; the controller is respectively connected with the steam generating device and the inductor, and is used for enabling the steam generating device to inject steam into milk contained in the container through the steam stick to form foam when receiving the first signal; the controller is also used for turning off the steam generating device when receiving the second signal. The device can automated inspection milk volume, automatic control foaming.
Description
Technical Field
The embodiment of the utility model relates to the technical field of household appliances, in particular to an automatic foaming device and a coffee machine.
Background
The mouthfeel of the beverage can be obviously improved by adding milk foam into the beverage such as coffee, and the milk foam is usually formed by pumping milk by using steam, pumping air into liquid milk and forming a plurality of fine foams by using the surface tension action of milk protein, so that the volume of the liquid milk is expanded to form the foamy milk foam. Chinese utility model patent No. 203852248U discloses a milk foaming device, which includes a container for holding milk-containing liquid, a stirring mechanism for stirring the milk-containing liquid in the container, the stirring mechanism includes a stirring shaft, a stirring element disposed at a first end of the stirring shaft, and a driving impeller fixedly connected to a second end of the stirring shaft, and a steam passage for introducing steam. Although this type of frothing device can froth milk with steam, it usually requires the user to control the frothing degree of the milk froth by himself, and if the amount of milk in the container is large, the milk froth will overflow easily, if the amount of milk in the container is small, the milk will spill out of the container easily under the steam injection, which requires high proficiency of the user and is difficult to master.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, embodiments of the present invention provide an automatic foaming device and a coffee maker.
In order to solve the above problems, the embodiment of the present invention provides the following technical solutions:
an automatic foaming device comprising:
the bottom of the machine body is provided with a bearing surface for placing a container;
the steam system comprises a steam generating device and a steam rod, the steam generating device is arranged in the machine body, and the steam rod is connected with the steam generating device and suspended above the bearing surface;
the sensor is arranged on the machine body and used for detecting the height of contents in a container placed on the bearing surface, generating a first signal when detecting that the liquid level in the container reaches a first threshold value, and generating a second signal when detecting that the liquid level in the container rises to a second threshold value;
the controller is respectively connected with the steam generating device and the inductor, and is used for sending a third signal to the steam generating device when receiving the first signal so that the steam generating device injects steam into milk contained in the container through the steam stick to form foam; the controller is further configured to send a fourth signal to the steam generating device to turn off the steam generating device when receiving the second signal.
This automatic foaming device can detect whether moderate the milk volume in the container, when milk volume is moderate, can begin the foaming automatically to can control the foaming effect, easy operation is convenient, and user experience is better.
In some embodiments, the automatic foaming device further comprises an operating member capable of sending a fifth signal to the controller in response to a user operation;
the controller sends a sixth signal to the sensor so that the sensor detects the liquid level height of the container on the bearing surface; the controller sends the third signal to the steam generating device when receiving the first signal and the fifth signal.
When the automatic foaming device is used, after a container for containing milk is placed on the bearing surface by a user, the automatic foaming device can be controlled to start foaming through the operating component, the controller detects whether the milk amount is proper or not by detecting the liquid level height of the milk through the inductor, and the steam generating device is started to perform foaming operation if the milk amount is proper.
In some embodiments, the automatic foaming device further comprises a prompting device, the sensor generates a seventh signal when detecting that the liquid level in the container is lower than the first threshold, and the controller sends an eighth signal to the prompting device when receiving the seventh signal, so that the prompting device prompts that the milk amount in the container is insufficient. Therefore, when the milk amount in the container is low, the prompting device can remind a user of replenishing the milk, and the milk is prevented from splashing outside the container under the injection of the steam.
In some embodiments, the nozzle of the bottom end of the steam wand is vertically spaced from the carrying surface by less than the first threshold to enable the nozzle to be submerged below the liquid level in the container. Like this, can ensure that steam spouts in milk, improve steam utilization ratio, form better milk froth effect, can also avoid steam to splash the container outside with milk.
In some embodiments, the steam wand is rotatably coupled to the housing, the steam wand having a first position in which it is clear of the container and a second position in which it extends into the container. Therefore, the container can be conveniently taken and placed by a user, and the usability of the automatic foaming device is improved.
In some embodiments, in the second position, the steam wand is tilted into the container. Therefore, the steam is obliquely injected into the milk, so that the milk is pushed to rotate, the stirring effect can be achieved, and the improvement of the foaming effect is facilitated.
In some embodiments, the top end of the steam wand is connected to the body by a universal joint.
In some embodiments, the bearing surface has a recess for locating the container. The user can place the container in this recess during the use to the distance of container and inductor is unanimous when foaming at every turn, and then ensures that the distance testing result of inductor is unanimous, and then ensures that the foaming effect is unanimous.
A coffee machine comprises the automatic foaming device. Because this automatic foaming device can detect whether moderate the milk volume in the container, when milk volume is moderate, can start the foaming automatically to can control the foaming effect, easy operation is convenient, and user experience is better, so, the coffee machine that uses this automatic foaming device has above-mentioned advantage equally.
According to the automatic foaming device provided by the embodiment of the utility model, whether the milk amount in the container is proper or not can be automatically monitored by detecting the liquid level height of the milk, the steam is injected into the milk for foaming only when the milk amount in the container is proper, the foaming degree of the milk foam can be automatically monitored by detecting the milk foam height, and the steam generating device is automatically closed when foaming is completed, so that the milk foam foaming effect is good, the operation is simple and convenient, and good user experience can be generated.
Drawings
FIG. 1 is a side view of a coffee maker according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a coffee maker according to an embodiment of the present invention;
fig. 3 to 5 are schematic views illustrating a process in which a sensor detects a change in the height of the contents in the container.
Description of reference numerals:
10-body; 11-a bearing surface; 12-a groove; 13-a container; 14-an inductor; 15-a universal joint; 16-steam stick.
Detailed Description
Various aspects and features of the present invention are described herein with reference to the drawings.
It will be understood that various modifications may be made to the embodiments of the utility model herein. Accordingly, the foregoing description should not be construed as limiting, but merely as exemplifications of embodiments. Other modifications will occur to those skilled in the art which are within the scope and spirit of the utility model.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and, together with a general description of the utility model given above, and the detailed description of the embodiments given below, serve to explain the principles of the utility model.
These and other characteristics of the utility model will become apparent from the following description of a preferred form of embodiment, given as a non-limiting example, with reference to the accompanying drawings.
It should also be understood that, although the utility model has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of the utility model, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.
The above and other aspects, features and advantages of the present invention will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present invention are described hereinafter with reference to the accompanying drawings; it is to be understood, however, that the disclosed embodiments are merely exemplary of the utility model, which can be embodied in various forms. Well-known and/or repeated functions and constructions are not described in detail to avoid obscuring the utility model in unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention in virtually any appropriately detailed structure.
The specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the utility model.
An embodiment of the present invention provides an automatic foaming device, wherein fig. 1 is a side view of a coffee machine to which the automatic foaming device of the embodiment of the present invention is applied, fig. 2 is a cross-sectional view of the coffee machine to which the automatic foaming device of the embodiment of the present invention is applied, and referring to fig. 1 and 2, the automatic foaming device of the embodiment of the present invention includes a machine body 10, a steam system, a sensor 14 and a controller (not shown in the figure), the bottom of the machine body 10 has a carrying surface 11 for placing a container 13; the steam system comprises a steam generating device and a steam rod 16, the steam generating device is arranged in the machine body 10, and the steam rod 16 is connected with the steam generating device and suspended above the bearing surface 11; a sensor 14 is arranged on the machine body 10, the sensor 14 is used for detecting the height of the content in the container 13 placed on the bearing surface 11, generating a first signal when detecting that the height of the content in the container 13 reaches a first threshold value, and generating a second signal when detecting that the height of the content in the container 13 rises to a second threshold value; the controller is respectively connected with the steam generating device and the inductor 14, and is used for sending a third signal to the steam generating device when receiving the first signal, so that the steam generating device injects steam into milk contained in the container 13 through the steam rod 16 to form foam; the controller is also used for sending a fourth signal to the steam generating device to close the steam generating device when receiving the second signal.
With the automatic foaming device with the structure, the container 13 is placed on the bearing surface 11, the sensor 14 can detect the height of the content in the container 13, as shown in fig. 3, the container 13 is in a state when milk is not poured into the container, when the liquid level of the milk reaches a first threshold value, as shown in fig. 4, the sensor 14 sends a first signal to the controller, the controller sends a third signal to the steam generating device, and the steam generating device injects steam into the milk in the container 13 through the steam rod 16 for foaming; during the foaming process, the sensor 14 can continuously detect the height of the milk foam, and when the height of the milk foam in the container 13 reaches a second threshold value, as shown in fig. 5, the sensor 14 sends a second signal to the controller, the controller sends a fourth signal to the steam generating device, and the steam generating device stops working.
Like this, whether the milk volume that automatic foaming device just can be in the container 13 by oneself detection container 13 through the liquid level height that detects milk is suitable, only when the milk volume in container 13 is moderate, just inject steam into to the milk and foam to through detecting the degree of foaming that milk bubble height can automatic monitoring milk bubble, when foaming the completion, self-closing steam generating device, milk bubble is foamed the effect and is better, and easy operation is convenient, can produce better user experience.
As shown in fig. 1, in some embodiments, the nozzle at the bottom end of the steam wand 16 is spaced vertically from the carrying surface 11 by less than a first threshold to enable the nozzle to be submerged below the liquid level in the container 13. Therefore, steam can be sprayed into milk, the steam utilization rate is improved, a good milk foaming effect is formed, and the situation that the milk is sprayed out of the container 13 by the steam can be avoided.
In some embodiments, the automatic foaming device further comprises an operating part, the operating part being capable of sending a fifth signal to the controller in response to a user operation; the controller sends a sixth signal to the sensor 14 to cause the sensor 14 to detect the level of the contents of the container 13 on the carrying surface 11; the controller sends a third signal to the steam generating device when receiving the first signal and the fifth signal. The operation part can be an operation panel, the operation panel can be provided with keys for selecting foaming operation, and the operation panel can also be formed by a touch panel. When the automatic foaming device is used, after a user places a container 13 containing milk on the bearing surface 11, the automatic foaming device can be controlled to start foaming through the operating component, the controller firstly detects whether the milk quantity is moderate through the liquid level of the milk detected by the inductor 14, and the steam generating device is started to perform foaming operation if the milk quantity is moderate.
In some embodiments, the automatic foaming device further comprises a prompting device, the sensor 14 generates a seventh signal when detecting that the liquid level in the container 13 is less than the first threshold, and the controller sends an eighth signal to the prompting device when receiving the seventh signal, so that the prompting device prompts that the milk amount in the container 13 is insufficient. Thus, when the amount of milk in the container 13 is small, the prompting device can remind the user to replenish the milk, and the milk is prevented from splashing out of the container 13 under the injection of the steam. The prompting device can be of various types, for example, a buzzer, an indicator light or a display screen. In practical implementation, referring to fig. 3 to 5, when the height of the container 13 is D, the liquid level of the milk may be configured as D1, the height of the milk bubble layer may be configured as D2, and in order to avoid the milk bubbles from overflowing, a safety distance D3 may be reserved on the milk bubble layer, and the height is configured as D1+ D2+ D3. A first signal is sent to the controller when the sensor 14 detects that the level of milk in the container 13 is greater than D1, a seventh signal is sent to the controller when the sensor 14 detects that the level of milk in the container 13 is less than D1, and a second signal is sent to the controller when the sensor 14 detects that the level of milk bubbles in the container 13 reaches D1+ D2.
In some embodiments, the steam wand 16 may be configured to be rotatably coupled to the housing 10, the steam wand 16 having a first position in which it is clear of the container 13 and a second position in which it extends into the container 13. When placing the container 13 on the carrying surface 11 or taking the container 13 from the carrying surface 11, the steam bar 16 may be manually lifted, i.e. the steam bar 16 is adjusted to a first position, and after the container 13 is placed on the carrying surface 11, the angle of the steam bar 16 is adjusted so that the steam bar 16 extends into the container 13 and is submerged below the surface of the milk, i.e. the steam bar 16 is adjusted to a second position. Thus, the user can conveniently take and place the container 13, and the usability of the automatic foaming device is improved.
In some embodiments, the top end of the steam wand 16 may be connected to the body 10 by a universal joint 15. Therefore, the user can pull the steam rod 16 at any angle, so that the steam rod 16 is not easy to damage, the caution items of the user during use are reduced, and the user experience is further improved. Of course, in practical implementation, the steam stick 16 may also be connected to the machine body 10 through a structure such as a rotating shaft, and the automatic foaming device may further include a driving device connected to the steam stick 16, and the driving device may be connected to the controller, so that the steam stick 16 can be driven to automatically lift or fall by the driving device under the control of the controller. Alternatively, the steam stick 16 may be, for example, a telescopic structure, which can be driven by a driving device to extend into the container 13 or retract into the machine body 10.
In some embodiments, in the second position, the steam wand 16 extends obliquely into the container 13. If a direction perpendicular to the liquid surface in the carrying surface 11 or the container 13 is defined as the first direction, said dipping means that the steam bar 16 is at a non-zero angle with respect to the first direction. Taking the case that the machine body 10 is C-shaped as a whole, the machine body 10 may include a first machine body portion extending vertically, a second machine body portion located at the bottom of the first machine body portion, and a third machine body portion located at the top of the first machine body portion, the second machine body portion is actually used as a base, the top of the second machine body portion forms a bearing surface 11, a space for placing the container 13 is formed between the second machine body portion and the third machine body portion, and the top end of the steam rod 16 may be connected with the third machine body portion. With the side of the C-shaped opening, i.e., the side of the body 10 away from the first body portion as the front side and the side close to the first body portion as the rear side, the steam bar 16 can be inclined from the rear side to the front side during the upward and downward extension. Therefore, the steam is obliquely injected into the milk, so that the milk is pushed to rotate, the stirring effect can be achieved, and the improvement of the foaming effect is facilitated.
In some embodiments, the carrying surface 11 has a groove 12 for positioning the container 13, and the user can place the container 13 in the groove 12 when using, so that the distance between the container 13 and the sensor 14 is consistent each time foaming is performed, thereby ensuring that the distance detection result of the sensor 14 is consistent, and further ensuring that the foaming effect is consistent. The sensor 14 may be of various types, for example, the sensor 14 may be an optical sensor, an ultrasonic sensor, or other type of sensor. The inductor 14 may include a transmitting unit and a receiving unit. The inductor 14 may be provided on the bottom surface of the third body portion.
Referring to fig. 1 and 2, the present application further provides a coffee maker including the automatic foaming device according to any one of the above embodiments. The coffee machine may further comprise a coffee brewing device, the coffee brewing device and the automatic foaming device may share a steam system, and the steam system may also provide hot water for the coffee brewing device.
Because above-mentioned automatic foaming device can monitor whether the milk volume in the container 13 is suitable by oneself through the liquid level height that detects milk, only when the milk volume in the container 13 is moderate, just inject steam into milk and foam, and through detecting the degree of foaming that milk bubble height can automatic monitoring milk bubble, when foaming the completion, self-closing steam generating device, milk bubble is foamed the effect better, easy operation is convenient, can produce better user experience, so, the coffee machine of using above-mentioned automatic foaming device also has above-mentioned advantage.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (9)
1. An automatic foaming device, comprising:
the bottom of the machine body is provided with a bearing surface for placing a container;
the steam system comprises a steam generating device and a steam rod, the steam generating device is arranged in the machine body, and the steam rod is connected with the steam generating device and suspended above the bearing surface;
the sensor is arranged on the machine body and used for detecting the height of contents in a container placed on the bearing surface, generating a first signal when detecting that the liquid level in the container reaches a first threshold value, and generating a second signal when detecting that the liquid level in the container rises to a second threshold value;
the controller is respectively connected with the steam generating device and the inductor, and is used for sending a third signal to the steam generating device when receiving the first signal so that the steam generating device injects steam into milk contained in the container through the steam stick to form foam; the controller is further configured to send a fourth signal to the steam generating device to turn off the steam generating device when receiving the second signal.
2. The automatic foaming device according to claim 1, further comprising an operating member capable of sending a fifth signal to the controller in response to a user operation;
the controller sends a sixth signal to the sensor so that the sensor detects the liquid level height of the container on the bearing surface; the controller sends the third signal to the steam generating device when receiving the first signal and the fifth signal.
3. The automatic foaming device according to claim 2, further comprising a prompting device, wherein the sensor generates a seventh signal when detecting that the liquid level in the container is less than the first threshold, and the controller sends an eighth signal to the prompting device when receiving the seventh signal, so that the prompting device prompts that the milk amount in the container is insufficient.
4. The automatic foaming device according to claim 1, wherein the nozzle of the bottom end of the steam wand is vertically spaced from the carrying surface by a distance less than the first threshold value to enable the nozzle to be submerged below the liquid level in the container.
5. The automatic foaming device according to claim 1 wherein the steam wand is rotatably coupled to the housing, the steam wand having a first position in which the steam wand is clear of the container and a second position in which the steam wand extends into the container.
6. The automatic foaming device according to claim 5, wherein in the second position the steam wand is tilted into the container.
7. The automatic foaming device according to claim 5, wherein the top end of the steam wand is connected to the body by a universal joint.
8. The automated foaming device of claim 1 wherein the carrying surface has a recess for locating the container.
9. A coffee machine, characterized in that it comprises an automatic foaming device according to any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121710812.7U CN215348495U (en) | 2021-07-26 | 2021-07-26 | Automatic foaming device and coffee machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121710812.7U CN215348495U (en) | 2021-07-26 | 2021-07-26 | Automatic foaming device and coffee machine |
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| CN215348495U true CN215348495U (en) | 2021-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024007421A1 (en) * | 2022-07-08 | 2024-01-11 | 北京轶洋科技有限公司 | Milk foaming machine |
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- 2021-07-26 CN CN202121710812.7U patent/CN215348495U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024007421A1 (en) * | 2022-07-08 | 2024-01-11 | 北京轶洋科技有限公司 | Milk foaming machine |
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