WO2022134457A1

WO2022134457A1 - Milk frother

Info

Publication number: WO2022134457A1
Application number: PCT/CN2021/095936
Authority: WO
Inventors: 慈龙文; 吴限升
Original assignee: 盛艳雄
Priority date: 2020-12-22
Filing date: 2021-05-26
Publication date: 2022-06-30
Also published as: CN112568748A

Abstract

Disclosed in the present invention is a milk frother, comprising: a base device provided with a mounting portion having an upward opening, a side of the mounting portion is provided with a temperature measuring device; a heating plate disposed at the bottom of the mounting portion; a rotary driving device disposed on the base device and located below the heating plate; a cup body inserted in the mounting portion, the temperature measuring device abutting against the outer side wall of the cup body; and a control device disposed in the base device and electrically connected to the temperature measuring device, the heating plate and the rotary driving device separately. By means of the above-mentioned structure, the temperature measuring device is disposed on the side of the cup body, the heating plate is located below the cup body, there is a large distance between the temperature measuring device and the heating plate, and the blocking of the cup body can prevent heat of the heating plate from being directly radiated to the temperature measuring device, thereby reducing the influence of the heating plate on the temperature measuring device; therefore, measurement errors of the temperature measuring device can be reduced, and the control device can receive relatively accurate liquid temperature data, so as to improve the temperature control precision of liquid heating.

Description

a milk frother

technical field

The invention relates to the technical field of hot beverage making devices, in particular to a milk frother.

Background technique

When making some hot drinks, such as coffee, a milk frother is required. When in use, put the stirring head and liquid such as milk into the cup body of the milk frother, place the cup body on the bottom shell, start the heating plate and motor on the bottom shell, heat the liquid in the cup body, and pass the The magnetically driven stirring head rotates and stirs the liquid at high speed, resulting in milk froth. In order to detect the heating temperature of the liquid, a temperature probe is also provided on the milk frother. The temperature probe collects data and feeds it back to the control device, and the control device controls the operation of the heating plate according to the collected data. Generally, the temperature probe is set under the cup body, but a heating plate is also arranged under the cup body. When the heating plate is heated, a large amount of heat from the heating plate will radiate to the temperature probe, especially when the heating plate is continuously heated. The temperature probe is continuously radiated by the heat generated by the heating plate, so that the temperature probe is greatly affected, and the temperature detection error is large, which in turn affects the temperature control accuracy of liquid heating.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve at least one of the technical problems existing in the prior art, and to provide a milk frother, which can reduce the error of temperature detection.

According to an embodiment of the present invention, a milk frother is provided, which includes: a base device with an installation position open upward, and a temperature detection device is provided on the side of the installation position; a heating plate is provided on the installation position the bottom of the position; the rotary drive device is arranged on the base device and is located below the heating plate; the cup body is inserted in the installation position, and the temperature detection device stops against the outer side wall of the cup body; the control device is located in the in the base device, and are respectively electrically connected with the temperature detection device, the heating plate and the rotation driving device.

According to some embodiments, the base device includes a casing, a bottom casing, an upper base body and a lower base body, the casing is configured as a hollow structure that penetrates up and down, the casing is arranged above the bottom casing and surrounds the bottom casing An installation cavity is formed, the upper seat body and the lower seat body are arranged in the installation cavity, the upper seat body is connected with the enclosure, the upper seat body is connected with the lower seat body, and the lower seat body is connected with the bottom shell connected.

According to some embodiments, the heating plate is sandwiched between the upper base and the lower base.

According to some embodiments, the temperature detection device includes a mounting seat, a temperature probe and a spring, the top surface of the upper seat body is provided with a mounting groove extending downward and communicating with the inner cavity of the mounting position, and the mounting seat is inserted into the mounting groove It can be moved laterally inside, the enclosure extends to the top of the installation slot, the temperature probe is arranged on the installation seat and is electrically connected with the control device, and the spring is arranged on the side of the installation seat away from the installation position and is connected to the control device. between the side walls of the mounting slot.

According to some embodiments, the bottom of the upper base body is provided with a first semi-cylindrical groove that opens downward, the top of the lower base body is provided with a second semi-cylindrical groove that opens upward, and the first semi-cylindrical groove is open upward. The inner wall of the groove and the inner wall of the second semi-cylindrical groove are surrounded by pivot holes arranged horizontally, and the side wall of the installation position is provided with a detection through hole; The device includes a micro switch and a connecting rod, the micro switch is arranged on the lower seat body and is electrically connected with the control device, the connecting rod has a pivot part inserted into the pivot hole, and the upper end of the connecting rod has The drive part extends into the installation position through the detection through hole, and the lower end of the connecting rod extends to the micro switch.

According to some embodiments, the bottom of the lower seat body is provided with a first installation post extending downward, a bottom surface of the first installation post is provided with a plug post extending downward, and the bottom case is provided with an upward extending post For the second installation column, the control device includes a base plate, the base plate is sleeved on the insertion column, and the insertion column is inserted into the second installation column.

According to some embodiments, a baffle is sleeved on the first mounting post.

According to some embodiments, the bottom of the upper base body is provided with a first semi-cylindrical groove that opens downward, the top of the lower base body is provided with a second semi-cylindrical groove that opens upward, and the first semi-cylindrical groove is open upward. The inner wall of the slot and the inner wall of the second semi-cylindrical slot are surrounded to form pivot holes; the installation cavity is provided with a plug-in detection device, and the plug-in detection device includes a micro switch and a connecting rod, and the micro switch is provided. On the lower seat body and electrically connected with the control device, the connecting rod has a pivot portion inserted in the pivot hole, the upper end of the connecting rod extends to the side of the mounting seat that is away from the mounting position, and is connected The lower end of the rod extends to the micro switch.

According to some embodiments, the bottom surface of the bottom case is provided with an upwardly extending accommodating groove, and a positioning member that can be adsorbed with the magnetic member is disposed in or above the accommodating groove.

According to some embodiments, one side of the cup body is provided with a connecting column, and a handle is sleeved on the connecting column.

The above solution has at least one beneficial effect as follows: through the above structure, the temperature detection device is located on the side of the cup body, the heating plate is located below the cup body, and there is a large distance between the temperature detection device and the heating plate. It can prevent the heat of the heating plate from directly radiating to the temperature detection device, reduce the influence of the heating plate on the temperature detection device, and then reduce the measurement error of the temperature detection device. Temperature control accuracy.

Additional aspects and advantages of the present invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or may be learned by practice of the invention.

Description of drawings

Below in conjunction with accompanying drawing and embodiment, the present invention is further described;

Fig. 1 is the structure diagram of the embodiment of the milk frother of the present invention;

Figure 2 is a cross-sectional view of the milk frother shown in Figure 1;

Fig. 3 is the enlarged view of A part in Fig. 2;

Figure 4 is an exploded view of the base device shown in Figure 1;

Figure 5 is an enlarged view of part B shown in Figure 4;

Fig. 6 is the circuit block diagram of the milk frother;

Fig. 7 is the structure diagram of stirring head;

FIG. 8 is a structural diagram of the stirring head from another perspective.

Detailed ways

This part will describe the specific embodiments of the present invention in detail, and the preferred embodiments of the present invention are shown in the accompanying drawings. Each technical feature and overall technical solution of the invention should not be construed as limiting the protection scope of the invention.

In the description of the present invention, it should be understood that the azimuth description, such as the azimuth or position relationship indicated by up, down, front, rear, left, right, etc., is based on the azimuth or position relationship shown in the drawings, only In order to facilitate the description of the present invention and simplify the description, it is not indicated or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, greater than, less than, exceeding, etc. are understood as not including this number, and above, below, within, etc. are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present invention in combination with the specific content of the technical solution.

1 to 8 , a milk frother includes a base device 10 , a heating plate 21 , a rotary drive device, a cup body 30 and a control device 40 .

The base device 10 has an installation position 111 that is open upward, and a temperature detection device 50 is provided on the side of the installation position 111 . The heating plate 21 is arranged at the bottom of the installation position 111 , the rotation driving device is arranged on the base device 10 , and the rotation driving device is located below the heating plate 21 . The cup body 30 is inserted into the installation position 111 , and the temperature detection device 50 abuts against the outer side wall of the cup body 30 . The control device 40 is arranged in the base device 10, and the control device 40 is electrically connected to the temperature detection device 50, the heating plate 21 and the rotation driving device, respectively.

With the above structure, the temperature detection device 50 is located at the side of the cup body 30, the heating plate 21 is located below the cup body 30, the temperature detection device 50 and the heating plate 21 have a large distance, and the blocking of the cup body 30 can be avoided. The heat of the heating plate 21 is directly radiated to the temperature detection device 50 to reduce the influence of the heating plate 21 on the temperature detection device 50, thereby reducing the measurement error of the temperature detection device 50, and the control device 40 can receive more accurate liquid temperature data, so that Improve the temperature control accuracy of liquid heating.

The base device 10 includes an enclosure 11 , a bottom case 12 , an upper base 13 and a lower base 14 . The enclosure 11 is arranged above the bottom case 12 and surrounds the bottom case 12 to form an installation cavity. The upper base 13 and the lower base The bodies 14 are all arranged in the installation cavity. The enclosure 11 is configured as a hollow structure that penetrates up and down, and the aforementioned installation position 111 is located inside the enclosure 11 . The upper base 13 and the enclosure 11 are connected by screws, the upper base 13 and the lower base 14 are connected by screws, and the lower base 14 and the bottom case 12 are connected by screws.

The heating plate 21 is sandwiched between the upper seat body 13 and the lower seat body 14 , so that the disassembly and assembly of the heating plate 21 is more convenient.

The rotary drive device is arranged on the lower base body 14 . Specifically, the rotary drive device includes a motor 221 , a rotary disk 222 and a first magnet block 223 . The motor 221 is disposed on the lower base 14 and is vertically arranged, and the motor 221 is electrically connected to the control module. The rotary disk 222 is connected to the motor 221 The rotating shafts are connected to each other, and the first magnet block 223 is arranged on the rotary disk 222 . A stirring head 60 is placed in the cup body 30 , and a second magnetic block is arranged on the stirring head 60 . During operation, the motor 221 drives the rotary disk 222 and the first magnet 223 to rotate to generate a magnetic field with changing directions, so that the stirring head 60 rotates, and the liquid in the cup body 30 is stirred at a high speed to generate milk foam.

The temperature detection device 50 includes a mounting seat 51 , a temperature probe 52 and a spring 53 . The top surface of the upper seat body 13 is provided with a mounting groove 131 extending downward and communicating with the inner cavity of the mounting position 111 . The mounting seat 51 is inserted in the mounting groove 131 and The temperature probe 52 can be moved laterally. The temperature probe 52 is installed on the mounting seat 51 and is electrically connected to the control device 40 . The enclosure 11 extends above the mounting slot 131 to restrict the mounting seat 51 from moving up and out of the mounting slot 131 . When the cup body 30 is inserted into the mounting position 111 , the mounting seat 51 can be pushed to retract into the mounting groove 131 , and the temperature probe 52 can be closely attached to the outer wall of the cup body 30 by the pushing force of the spring 53 .

Wherein, the included angle between the moving direction of the mounting seat 51 and the bottom surface of the base device 10 is α, 0°<α<90°, optionally, 5°<α<85°.

In some embodiments, the mounting seat 51 can be pivoted in the mounting slot 131 , and the mounting seat 51 can be pushed to rotate when the cup body 30 is inserted.

The bottom of the upper base body 13 is provided with a first semi-cylindrical groove 132 that opens downward, the top of the lower base body 14 is provided with a second semi-cylindrical groove 141 that opens upward, and the inner wall of the first semi-cylindrical groove 132 and the second semi-cylindrical groove 141 are open. The inner wall of the semi-cylindrical groove 141 is surrounded by pivot holes arranged horizontally, and the side wall of the installation position 111 is provided with a detection through hole. The installation cavity is provided with a plug-in detection device. Specifically, the plug-in detection device includes a micro switch 71 and a connecting rod 72. The micro switch 71 is arranged on the lower base body 14 and is electrically connected to the control device 40. The connecting rod 72 has a The pivot portion 721 is inserted into the pivot hole. The upper end of the link 72 has a drive portion 722 that passes through the detection through hole and extends into the installation position 111 , and the lower end of the link 72 extends to the micro switch 71 . When the cup body 30 is inserted into the installation position 111 , the driving part 722 can be pushed to make the connecting rod 72 swing, the micro switch 71 can be triggered by the connecting rod 72 , and the trigger signal is fed back to the control device 40 , so that the cup body 30 can be judged insertion. In addition, with the above-mentioned structure, the attachment and detachment of the link 72 can be facilitated.

The control device 40 includes a base plate 41 and an electronic device disposed on the base plate 41 . The bottom of the lower base body 14 has a first mounting column 142 extending downward, and the bottom surface of the first mounting column 142 is provided with a plugging column 143 extending downward. , the bottom case 12 is provided with a second mounting post 121 extending upward, the base plate 41 is sleeved on the inserting post 143, and the inserting post 143 is inserted into the second mounting post 121, the inserting post 143 and the second mounting post 121 Connected by screws. The base plate 41 is sandwiched and positioned by the first mounting post 142 and the second mounting post 121 , which can reduce the use of screws and facilitate the mounting and positioning of the base plate 41 .

A spacer 15 is sleeved on the first mounting post 142 , the spacer 15 is located above the base plate 41 , the spacer 15 can play a role of heat insulation, can reduce the temperature rise of the base plate 41 and prolong the service life of the control device 40 .

The bottom surface of the bottom case 12 is provided with an upwardly extending accommodating groove 122 , and a positioning member 123 that can be adsorbed with the magnetic member is disposed in the accommodating groove 122 or above the accommodating groove 122 . Specifically, the positioning member 123 can be configured as a structure such as a magnet or an iron sheet. The stirring head 60 can be accommodated through the accommodating groove 122 , and the stirring head 60 is provided with a second magnetic block, so that the stirring head 60 can be magnetically attracted with the positioning member 123 , which facilitates the storage and positioning of the stirring head 60 .

One side of the cup body 30 is provided with a connecting column 31 , and a handle 32 is sleeved on the connecting column 31 . To limit disengagement, the connecting post 31 and the handle 32 are also locked by screws. With the above structure, in some cases, the handle 32 can be removed, and the cup body 30 can be used as a measuring cup. In addition, the handle 32 can also be removed during transportation to reduce the packaging width of the milk frother.

In some embodiments, for the plug-in detection device, the positions of the first semi-cylindrical groove 132 and the second semi-cylindrical groove 141 can be adjusted so that the pivot hole is formed below the temperature detection device 50, and correspondingly, the plug-in The detection device includes a micro switch 71 and a connecting rod 72. The micro switch 71 is arranged on the lower base 14 and is electrically connected to the control device 40. The upper end of the connecting rod 72 extends to the side of the mounting seat 51 that faces away from the mounting position 111. , and the lower end of the connecting rod 72 extends to the micro switch 71 . When the cup body 30 is inserted into the mounting position 111 , the mounting seat 51 can be pushed to make the connecting rod 72 swing, and the microswitch 71 can be triggered through the connecting rod 72 . In this way, it is not necessary to provide a detection through hole, which is beneficial to simplify the structure of the base device 10 .

7 and 8, the stirring head 60 includes a mounting plate 61 and a top cover 62. The bottom of the mounting plate 61 has more than two projections 611 extending downward. These projections 611 are distributed around the center of the mounting plate 61. Each of the bumps 611 is provided with a second magnetic block. The top cover 62 is arranged on the top of the mounting plate 61 , and vertically arranged convex columns 621 and spoilers 622 are arranged on the top cover 62 , and the spoilers 622 are connected to the side surfaces of the convex columns 621 . The spoiler 622 and the bumps 611 are respectively arranged on the upper and lower sides of the mounting plate 61, so the liquid on the upper and lower sides of the mounting plate 61 can be stirred at high speed, and the liquid in a wider range can be stirred at high speed, thereby improving the stirring efficiency. Shorten the time required for blending and increase the amount of milk froth.

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments. Within the scope of knowledge possessed by those of ordinary skill in the technical field, various modifications can be made without departing from the purpose of the present invention. kind of change.

Claims

A milk frother, comprising:

The base device has an upwardly open installation position, and a temperature detection device is provided on the side of the installation position;

a heating plate, located at the bottom of the installation position;

a rotary drive device, located on the base device and below the heating plate;

The cup body is inserted in the installation position, and the temperature detection device stops against the outer side wall of the cup body;

The control device is arranged in the base device and is electrically connected with the temperature detection device, the heating plate and the rotation driving device respectively.
The milk frother according to claim 1, wherein the base device comprises an enclosure, a bottom, an upper base and a lower base, the enclosure is a hollow structure that penetrates up and down, the enclosure is The shell is arranged above the bottom shell and surrounds the bottom shell to form an installation cavity, the upper seat body and the lower seat body are arranged in the installation cavity, the upper seat body is connected with the surrounding shell, and the upper seat body and the lower seat The lower seat body is connected with the bottom shell.
The milk frother according to claim 2, wherein the heating plate is sandwiched between the upper seat body and the lower seat body.
The milk frother according to claim 2, wherein the temperature detection device comprises a mounting seat, a temperature probe and a spring, and a top surface of the upper seat body is provided with a downward extending and connecting cavity of the mounting position. An installation slot, the installation seat is inserted into the installation slot and can move laterally, the enclosure extends to the top of the installation slot, the temperature probe is arranged on the installation seat and is electrically connected with the control device, the spring is arranged between the side of the mounting seat facing away from the mounting position and the side wall of the mounting slot.
The milk frother according to claim 2, wherein the bottom of the upper seat body is provided with a first semi-cylindrical groove that is open downward, and the top of the lower seat body is provided with a first semi-cylindrical groove that is open upward In the second semi-cylindrical groove, the inner wall of the first semi-cylindrical groove and the inner wall of the second semi-cylindrical groove are surrounded by pivot holes arranged horizontally, and the side wall of the installation position is provided with a detection through hole; A plug-in detection device is provided. The plug-in detection device includes a micro switch and a connecting rod. The micro switch is arranged on the lower base and is electrically connected to the control device. The connecting rod has a pivot hole inserted into the connecting rod. The upper end of the connecting rod has a driving part that extends into the installation position through the detection through hole, and the lower end of the connecting rod extends to the micro switch.
The milk frother according to claim 2, wherein the bottom of the lower seat body has a first installation column extending downward, and the bottom surface of the first installation column is provided with a plug connector extending downward The bottom case is provided with a second installation column extending upward, the control device includes a base plate, the base plate is sleeved on the insertion column, and the insertion column is inserted into the second installation column.
The milk frother according to claim 6, wherein a baffle is sleeved on the first installation column.
The milk frother according to claim 4, wherein the bottom of the upper seat body is provided with a first semi-cylindrical groove that is open downward, and the top of the lower seat body is provided with a first semi-cylindrical groove that is open upward In the second semi-cylindrical groove, the inner wall of the first semi-cylindrical groove and the inner wall of the second semi-cylindrical groove are surrounded to form pivot holes; the installation cavity is provided with an insertion detection device, and the insertion detection device includes a micro A moving switch and a connecting rod, the micro switch is arranged on the lower seat body and is electrically connected to the control device, the connecting rod has a pivot part inserted in the pivot hole, and the upper end of the connecting rod extends to the mounting seat The side facing away from the installation position, and the lower end of the connecting rod extends to the micro switch.
The milk frother according to claim 2, wherein the bottom surface of the bottom case is provided with an upwardly extending accommodating groove, and a magnetic member is arranged in or above the accommodating groove. Adsorbed positioning pieces.
A milk frother according to claim 1 or 2, characterized in that, a connecting column is provided on one side of the cup body, and a handle is sleeved on the connecting column.