CN217524801U

CN217524801U - Food processor

Info

Publication number: CN217524801U
Application number: CN202221292400.0U
Authority: CN
Inventors: 王旭宁; 张昆
Original assignee: Hangzhou Joyoung Household Electrical Appliances Co Ltd
Current assignee: Hangzhou Joyoung Household Electrical Appliances Co Ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-10-04
Anticipated expiration: 2032-05-24

Abstract

The application discloses a food processor, which comprises a machine head and a machine body; wherein, a motor and a motor rotating speed control circuit are arranged in the machine head, and the motor is connected in the motor rotating speed control circuit; the machine body is detachably connected with the machine head; the machine head is provided with three function keys which correspond to three switches respectively, and the three switches at least correspond to a first motor rotating speed control circuit and a second motor rotating speed control circuit; the first motor rotating speed control circuit controls the motor to operate at a first rotating speed, the second motor rotating speed control circuit controls the motor to operate at a second rotating speed, and the first rotating speed is greater than the second rotating speed; when the three function keys are pressed simultaneously, the second motor rotating speed control circuit is conducted, so that the motor runs at the second rotating speed. The method and the device support the dough kneading function realized by the palm pressing mode, and improve the use feeling of the user.

Description

Food processor

Technical Field

The application relates to the technical field of household appliances, in particular to a food processor.

Background

With the development of society and the improvement of living standard of people, the requirements of people on the practicability and comfort of various household appliances in life are generally improved. In the prior art, a dough-kneading meat grinder is generally provided with two functional keys, namely a high-speed meat grinder key and a low-speed dough kneading key; the user can enable the dough mixer to execute corresponding functions by selecting the corresponding function keys; when all the keys are pressed, the motor runs at high speed.

However, when the user uses the dough kneading function, the user needs to select the middle-low speed dough kneading key for a long time by the fingers, so that the fingers of the user feel tired, and the experience of the user is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a food processor supports the mode of pressing through the palm and realizes kneading dough the function, has promoted user's use impression.

The embodiment of the application is realized as follows:

provides a food processor, which comprises a machine head and a machine body; wherein, the handpiece is provided with a motor and a motor rotating speed control circuit, and the motor is connected in the motor rotating speed control circuit; the machine body is detachably connected with the machine head; the machine head is provided with three function keys which correspond to three switches respectively, and the three switches at least correspond to a first motor rotating speed control circuit and a second motor rotating speed control circuit; the first motor rotating speed control circuit controls the motor to operate at a first rotating speed, the second motor rotating speed control circuit controls the motor to operate at a second rotating speed, and the first rotating speed is greater than the second rotating speed; when the three function keys are pressed simultaneously, the second motor rotating speed control circuit is conducted, so that the motor runs at the second rotating speed.

In one embodiment, the three switches are a first switch, a second switch and a third switch, respectively; the first switch and the second switch are single-pole single-throw switches, the third switch is a single-pole double-throw switch, and a diode is arranged in the rotation speed control of the second motor; the normally open ends of the second switch and the third switch are positioned in the second motor rotating speed control circuit, and the second switch is connected with the normally open end of the third switch in parallel; the normally closed ends of the first switch and the third switch are positioned in the first motor rotating speed control circuit, and the normally closed ends of the first switch and the third switch are connected in series.

In one embodiment, the fixed end of the second switch is connected with the external power supply, and the movable end of the second switch is connected with the anode of the diode; the common end of the third switch is connected with the fixed end of the second switch, the normally open end of the third switch is connected with the movable end of the second switch, and the normally closed end of the third switch is connected with the fixed end of the first switch; the first wiring end of the motor is respectively connected with the cathode of the diode and the moving end of the first switch, and the second wiring end of the motor is connected with an external power supply.

In one embodiment, the three switches are a first switch, a second switch and a third switch, respectively, the three switches Guan Duiying are a first motor rotation speed control circuit, a second motor rotation speed control circuit and a third motor rotation speed control circuit, and the third motor rotation speed control circuit controls the motor to operate at a second rotation speed; the first switch is positioned on the first motor rotating speed control circuit and the third motor rotating speed control circuit, the third switch is positioned on the third motor rotating speed control circuit, and the second switch is respectively positioned on the first motor rotating speed control circuit, the second motor rotating speed control circuit and the third motor rotating speed control circuit; the first switch and the second switch are both single-pole double-throw switches, the third switch is a single-pole single-throw switch, and diodes are arranged on the second motor rotating speed control circuit and the third motor rotating speed control circuit.

In one embodiment, the second motor speed control circuit and the third motor speed control circuit share the same diode; the common end of the first switch is connected with the normally closed end of the second switch; the common end of the second switch is connected with an external power supply, and the normally open end of the second switch is connected with the anode of the diode; the fixed end of the third switch is connected with the normally closed end of the first switch, and the movable end of the third switch is connected with the anode of the diode; the first wiring end of the motor is respectively connected with the cathode of the diode and the normally open end of the first switch, and the second wiring end of the motor is connected with an external power supply.

In one embodiment, the three function buttons respectively correspond to the meat mincing button, the vegetable mincing button and the dough kneading button.

In one embodiment, the food processor further comprises a chopping knife, a dough kneading rod, a first speed reducing mechanism and a second speed reducing mechanism; the shredding knife is connected with the motor through the first speed reducing mechanism, and the dough kneading rod is connected with the motor through the first speed reducing mechanism and the second speed reducing mechanism.

In one embodiment, the food processor further comprises a temperature controller, and the second terminal of the motor is connected with an external power supply through the temperature controller.

In one embodiment, the head is provided with a key area, and the three function keys are arranged in the key area.

In one embodiment, the key region is a curved surface suitable for being pressed by a palm.

Compared with the prior art, the beneficial effect of this application is: in the food processor in this application, be equipped with three function button, when three function button pressed simultaneously, trigger food processor and carry out the low-speed function of kneading dough. Therefore, the food processor in the application supports the mode of pressing through the palm to realize the dough kneading function, the key setting mode is more humanized, the fatigue of a user is relieved, and the use feeling of the user is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a food processor according to an embodiment of the present application;

FIG. 2 is an enlarged, partial schematic view of a portion A of FIG. 1 according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a motor rotation speed control circuit according to an embodiment of the present application;

FIG. 4 is a schematic diagram of a power supply voltage according to an embodiment of the present application;

FIG. 5 is a schematic diagram of a motor voltage shown in an embodiment of the present application;

FIG. 6 is a schematic diagram of a motor voltage shown in an embodiment of the present application;

fig. 7 is a schematic partial exploded view of a food processor according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of a motor rotation speed control circuit according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of a motor rotation speed control circuit according to an embodiment of the present application.

Icon:

1-food processor; 10-a machine head; 20-body; 30-a key area; 31-first function key; 32-second function key; 33-a third function key; 40-temperature controller; 50-a motor; 51-motor output shaft; 60-motor speed control circuit; 70-a first reduction mechanism; 71-a first sun gear; 72-a first planet gear; 73-a first planet carrier; 74-a first output shaft; 80-a second reduction mechanism; 81-a second sun gear; 82-a second planet gear; 83-a second planet carrier; 84-second output shaft.

Detailed Description

The terms "first," "second," "third," and the like are used for descriptive purposes only and are not intended to denote a sequential order, nor are they intended to indicate or imply relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should be noted that the terms "inside", "outside", "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when products of the application are used, and are used only for convenience in describing the application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application.

In the description of the present application, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

The technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings.

Please refer to fig. 1, which is a schematic structural diagram of a food processor 1 according to an embodiment of the present application. Food processor 1 in this application can be for having functions such as minced steak, hank vegetables and kneading dough meat grinder. As shown in fig. 1, the food processor 1 of the present application may include a machine head 10 and a machine body 20; wherein, the machine body 20 is detachably connected with the machine head 10, when the machine head 10 is covered on the machine body 20, a containing cavity for containing food raw materials to be processed is formed in the machine body 20. The handpiece 10 is internally provided with a motor 50 and a motor rotating speed control circuit 60, the motor 50 is connected in the motor rotating speed control circuit 60, and the motor rotating speed control circuit 60 is used for controlling the rotating speed of the motor 50; the food processor 1 further comprises a food processing assembly, and the food processing assembly is connected with the motor 50 and used for processing food under the driving of the motor 50. The food processing assembly may include a chopper and a dough kneading bar, among others.

In an operation process, after the food processor 1 is powered on, the user presses corresponding function keys according to food processing requirements, and the motor speed control circuit 60 is triggered to control the motor 50 to operate at a corresponding working speed, so that the food processing assembly can process food in the accommodating cavity under the driving of the motor 50.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1 according to an embodiment of the present disclosure. Referring to fig. 2, in the present application, a key area 30 is disposed on the top of the handpiece 10, and 3 function keys, namely a first function key 31, a second function key 32 and a third function key 33, are disposed on the key area 30. Wherein, 3 function keys correspond to different food processing options; specifically, 3 function keys can respectively correspond to a meat mincing key, a vegetable mincing key and a dough kneading key.

In an operation process, after the food processor 1 is powered on, if a user presses a meat mincing button, the motor speed control circuit 60 controls the motor 50 to operate at a high speed, so that the mincing knife is driven by the motor 50 to mince meat; if the user presses the dough kneading button, the motor speed control circuit 60 controls the motor 50 to operate at a low speed gear, so that the dough kneading rod is driven by the motor 50 to perform dough kneading operation; if the user presses the vegetable-twisting button, the motor speed control circuit 60 controls the motor 50 to operate at a low speed, so that the chopping knife is driven by the motor 50 to perform vegetable-twisting operation.

Through the above measures, the operating speed of the motor 50 is controlled by the motor speed control circuit 60 in a manner of pressing the key, so that the food processor 1 can match the operating speed of the motor 50 according to the food processing type, and a good processing effect is realized.

It should be noted that, when the food processor 1 is actually used by a user, the working time of the food processor 1 for performing the meat mincing or vegetable mincing function is usually about 30 s; the working time of the food processor 1 for executing the dough kneading function is usually about 2 min. Therefore, when the user performs cooking and noodles using the food processor 1, the fingers of the user can be tired by pressing the fingers for a long time and driving the noodle keys, and the use feeling of the user is greatly reduced.

Therefore, in order to solve the above problem, the food processor 1 can be triggered to execute the dough kneading function in a manner of simultaneously pressing three function keys. Therefore, the food processor 1 in the application supports the mode of pressing through the palm to realize the dough kneading function, the key setting mode is more humanized, the fatigue of the user is relieved, and the use feeling of the user is improved.

In one embodiment, the key region 30 is a curved surface suitable for pressing with a palm.

By the above measures, the pressing force of the user is saved by setting the key region 30 to be in a curved surface shape suitable for palm pressing.

The following explains the specific structure and working principle of the food processor 1 in the present application in detail:

please refer to fig. 3, which illustrates an embodiment of the present applicationA schematic diagram of the motor speed control circuit 60 is illustrated. As shown in fig. 3, 3 function buttons provided on the head 10 correspond to 3 switches connected to the motor rotation speed control circuit 60, respectively. Specifically, the first function button 31 corresponds to the first switch SW ₁ The second function button 32 corresponds to the second switch SW ₂ The third function button 33 corresponds to the third switch SW ₃ . In this embodiment, the first function key 31 may be a meat mincing key, the second function key 32 may be a vegetable mincing key, and the third function key 33 may be a dough kneading key; first switch SW ₁ And a second switch SW ₂ Are all single-pole single-throw type switches, the third switch SW ₃ Is a single-pole double-throw type switch, and the first switch SW ₁ A second switch SW ₂ And a third switch SW ₃ All are micro switches without self-locking function.

As shown in fig. 3, in the present embodiment, the motor rotation speed control circuit 60 includes a first motor rotation speed control circuit and a second motor rotation speed control circuit; wherein the first motor speed control circuit controls the motor 50 to operate at a first speed (high gear), and the second motor speed control circuit controls the motor 50 to operate at a second speed (low gear); second switch SW ₂ And a third switch SW ₃ Is connected in parallel with the normally open end D, and a second switch SW ₂ And a third switch SW ₃ The normally open end D is arranged in a second rotating speed control circuit, and a diode D is arranged in the second motor rotating speed control circuit ₁ (ii) a First switch SW ₁ And a third switch SW ₃ Is connected in series with the normally closed terminal E, and the first switch SW ₁ And a third switch SW ₃ Is located in the first speed control circuit.

Specifically, as shown in FIG. 3, a second switch SW ₂ The fixed end A is connected with an external power supply (connected with a live wire), and a second switch SW ₂ Moving terminal B and diode D ₁ The anode of (2) is connected; third switch SW ₃ Common terminal C and second switch SW ₂ Is connected with the normally open end D and the second switch SW ₂ A moving end B connected to a normally closed end E and a first switch SW ₁ The fixed end F of the connecting rod is connected; the first terminals of the motor 50 are respectively connected with the diodes D ₁ And a first switch SW ₁ The second wiring end of the moving end G is connected with an external power supply (connected with a zero line).

In one embodiment, as shown in fig. 3, the motor speed control circuit 60 further includes a temperature controller 40, and a second terminal of the motor 50 is connected to an external power source through the temperature controller 40; the temperature controller 40 is used for protecting the motor 50 to prevent the motor 50 from generating electrical danger.

In an operation process, after the food processor 1 is powered on, the external power supply outputs an alternating voltage as shown in fig. 4, and at this time, under the condition that a user does not press any function key, the third switch SW ₃ Is connected to the normally closed terminal E, and a second switch SW ₂ The fixed end A and the movable end B are disconnected, and the first switch SW ₁ The fixed end F and the movable end G are disconnected, the first motor rotating speed control circuit and the second motor rotating speed control circuit are both in an open circuit state, and the motor 50 does not work; when the user presses the first function key 31, the first switch SW ₁ The fixed end F is connected with the movable end G, the external power supply is connected with the first switch SW ₁ A third switch SW ₃ The motor 50 and the temperature controller 40 form a closed loop, that is, the first motor speed control circuit is turned on to drive the motor 50 to run at the first speed (as shown in fig. 5), and further, the motor 50 drives the chopping knife to rotate to perform the meat mincing operation; when the user presses the second function key 32, the second switch SW ₂ The fixed end A is conducted with the movable end B, and the external power supply and the second switch SW are connected ₂ Diode D ₁ The motor 50 and the temperature controller 40 form a closed loop, that is, the second motor speed control circuit is turned on to drive the motor 50 to operate at the second speed, and further, the motor 50 drives the chopping knife to rotate to perform vegetable-twisting operation (at this time, because of the diode D) ₁ As shown in fig. 6, the alternating current output from the external power supply can only pass through the diode D during the positive half cycle ₁ Such that the motor 50 operates at a second lower rotational speed); when the user presses the third switch SW ₃ While, the third switch SW ₃ The common terminal C is connected with the normally open terminal D, and the external power supply and the third switch SW ₃ Diode D ₁ The motor 50 and the temperature controller 40 form a closed loop, i.e. a second electricityThe motor speed control circuit is switched on, the motor 50 is driven to operate at a second speed, and further, the motor 50 drives the dough kneading rod to rotate to execute dough kneading operation; when the user presses the first function key 31, the second function key 32, and the third function key 33 at the same time, the second switch SW ₂ The fixed end A and the movable end B are conducted, and the third switch SW ₃ The common terminal C is connected with the normally open terminal D, and the second switch SW ₂ A third switch SW ₃ Normally open end of diode D ₁ The second motor speed control circuit composed of the motor 50 and the temperature controller 40 is switched on, the driving motor 50 runs at the second speed, and further, the kneading rod is driven by the motor 50 to rotate to execute the kneading operation.

Through above-mentioned measure, through 3 switches that correspond 3 buttons set up respectively, among first motor speed control circuit and the second motor speed control circuit to realize that the user passes through the palm when pressing 3 buttons, food processor can carry out the function of kneading dough, has greatly promoted user's use and has experienced.

Fig. 7 is a schematic partial explosion diagram of the food processor 1 according to an embodiment of the present application. The food processor 1 in the present application further includes a first speed reduction mechanism 70 and a second speed reduction mechanism 80, the first speed reduction mechanism 70 is connected with the motor output shaft 51; the second reduction mechanism 80 is connected to the first reduction mechanism 70; the chopper is connected to the motor 50 through a first reduction mechanism 70; the kneading bars are connected to the motor 50 through a first speed reduction mechanism 70 and a second speed reduction mechanism 80 (the chopper and the kneading bars are not shown in the figure for convenience of description). Specifically, as shown in fig. 7, the first reduction mechanism 70 may include a first sun gear 71, a first planetary gear 72, a first planet carrier 73, and a first output shaft 74 that are engaged with each other; the second reduction structure may include a second sun gear 81, a second planetary gear 82, a second planet carrier 83, and a second output shaft 84, which are engaged with each other; wherein the shredding knife is mounted on the first output shaft 74 and the dough kneading bar is mounted on the second output shaft 84.

In an operation process, after the food processor 1 is powered on, if a user presses a meat grinding button, the motor 50 operates at a first rotating speed, and the first speed reducing mechanism 70 drives the chopping knife to operate at the first knife rotating speed; if the user presses the vegetable-mincing key, the motor 50 operates at the second rotating speed, and drives the chopping knife to operate at the second knife rotating speed through the first speed reducing mechanism 70; if the user presses the dough kneading button, the motor 50 operates at the second rotation speed, and the dough kneading rod is driven by the first speed reducing mechanism 70 and the second speed reducing mechanism 80 to operate at the third cutter rotation speed; if the user presses the meat mincing button, the vegetable mincing button and the dough kneading button at the same time, the motor 50 operates at the second rotation speed, and the dough kneading rod is driven by the first speed reducing mechanism 70 and the second speed reducing mechanism 80 to operate at the third cutter rotation speed. Illustratively, the first tool rotation speed may be 1000 to 2000r/min; the rotating speed of the second cutter can be 800-1800 r/min; the rotating speed of the third cutter can be 80-300 r/min.

Through above-mentioned measure, through will knead dough the pole and cut up the sword and install in the position of difference for food processor 1 is when carrying out corresponding food processing option, and the cutter can be with the rotational speed operation with waiting to process food type matching, has greatly promoted the processing effect to food.

Please refer to fig. 8, which is a schematic structural diagram of a motor speed control circuit 60 according to an embodiment of the present application. As shown in fig. 8, 3 function buttons provided on the handpiece 10 correspond to 3 switches connected to the motor rotation speed control circuit 60, respectively. Specifically, the first function button 31 corresponds to the first switch SW ₁ The second function button 32 corresponds to the second switch SW ₂ The third function button 33 corresponds to the third switch SW ₃ . In this embodiment, the first function key 31 may be a meat mincing key, the second function key 32 may be a vegetable mincing key, and the third function key 33 may be a dough kneading key; first switch SW ₁ And a second switch SW ₂ Are all single-pole double-throw type switches, the third switch SW ₃ Is a single-pole single-throw type switch, and the first switch SW ₁ A second switch SW ₂ And a third switch SW ₃ All are micro switches without self-locking function.

As shown in fig. 8, in the present embodiment, the motor rotation speed control circuit 60 includes a first motor rotation speed control circuit, a second motor rotation speed control circuit, and a third motor rotation speed control circuit; wherein the first motor is controlled in rotation speedThe circuit controls the motor 50 to operate at a first rotational speed (high gear), and the second motor rotational speed control circuit and the third motor rotational speed control circuit control the motor 50 to operate at a second rotational speed (low gear). First switch SW ₁ The first rotating speed control circuit and the third rotating speed control circuit are arranged on the first rotating speed control circuit and the third rotating speed control circuit; specifically, a first switch SW ₁ The normally closed end N is arranged in a third motor rotating speed control circuit, and a first switch SW ₁ The normally open end O is positioned in the first motor rotating speed control circuit; third switch SW ₃ The third motor rotating speed control circuit is positioned on the first motor rotating speed control circuit; second switch SW ₂ The first motor rotating speed control circuit, the second motor rotating speed control circuit and the third motor rotating speed control circuit are respectively positioned on; diodes D are arranged on the second motor rotating speed control circuit and the third motor rotating speed control circuit ₂ 。

Specifically, as shown in fig. 8, the second motor speed control circuit and the third motor speed control circuit share the same diode D ₂ A first switch SW ₁ Common terminal M and second switch SW ₂ The normally closed end of (1) is J-connected; second switch SW ₂ The public end H is connected with an external power supply (connected with a live wire), and the normally open end I is connected with a diode D ₂ The anode of (2) is connected; third switch SW ₃ Fixed terminal K and first switch SW ₁ The normally closed end N is connected with the moving end L and the diode D ₂ The anode of (2) is connected; the first terminals of the motor 50 are respectively connected with the diodes D ₂ Cathode and first switch SW ₁ The second terminal is connected with the external power supply (connected with the zero line).

In an embodiment, as shown in fig. 8, the motor speed control circuit 60 further includes a temperature controller 40, and a second terminal of the motor 50 is connected to an external power source through the temperature controller 40; wherein, the temperature controller 40 is used for protecting the motor 50 and avoiding the motor 50 from generating electrical danger.

In an operation process, after the food processor 1 is powered on, the external power supply outputs an alternating voltage as shown in fig. 4, and at this time, under the condition that a user does not press any function key, the third switch SW ₃ The fixed end K is disconnected with the movable end L, and the first switch SW ₁ The common terminal M is connected with the normally closed terminal N, and the second switchSW ₂ The common end H is communicated with the normally closed end J, the first motor rotating speed control circuit, the second motor rotating speed control circuit and the third motor rotating speed control circuit are all in an open circuit state, and the motor 50 does not work; when the user presses the first function key 31, the first switch SW ₁ The common terminal M is connected with the normally open terminal O, and the external power supply and the second switch SW ₂ A first switch SW ₁ The motor 50 and the temperature controller 40 form a closed loop, namely, a first motor rotating speed control circuit is conducted, the driving motor 50 runs at a first rotating speed, and the food processor 1 performs a meat mincing function; when the user presses the second function key 32, the second switch SW ₂ The common terminal H is conducted with the normally open terminal I, and the external power supply and the second switch SW ₂ Diode D ₂ The motor 50 and the temperature controller 40 form a closed loop, namely, the second motor rotating speed control circuit is switched on, the driving motor 50 operates at the second rotating speed, and the food processor 1 executes the function of vegetable twisting; when the user presses the third function key 33, the third switch SW ₃ The fixed end K is conducted with the movable end L, and the external power supply and the first switch SW are connected ₁ A second switch SW ₂ A third switch SW ₃ Diode D ₂ The motor 50 and the temperature controller 40 form a closed loop, namely, a third motor rotating speed control circuit is conducted, the driving motor 50 runs at the second rotating speed, and the food processor 1 executes the dough kneading function; when the user presses the first function key 31, the second function key 32, and the third function key 33 at the same time, the second switch SW ₂ The common terminal H is conducted with the normally open terminal I, and the external power supply and the second switch SW ₂ Diode D ₂ The motor 50 and the temperature controller 40 form a closed loop, namely, the second motor rotating speed control circuit is switched on, the driving motor 50 runs at the second rotating speed, and the food processor 1 executes the dough kneading function.

Through the above measures, through 3 switches that correspond 3 buttons set up respectively, among first motor speed control circuit, second motor speed control circuit and the third motor speed control circuit to realize that the user passes through the palm when pressing 3 buttons, food processor can carry out the function of kneading dough, has greatly promoted user's use and has experienced.

Please refer to fig. 9, which illustrates the present applicationAn exemplary embodiment of a motor speed control circuit 60 is shown. As shown in fig. 9, 3 function buttons provided on the head 10 correspond to 3 switches connected to the motor rotation speed control circuit 60, respectively. Specifically, the first function key 31 corresponds to the first switch SW ₁ The second function button 32 corresponds to the second switch SW ₂ The third function button 33 corresponds to the third switch SW ₃ . Wherein, the first switch SW ₁ And a third switch SW ₃ Both of single-pole single-throw type, a second switch SW ₂ Is a single-pole double-throw type switch, and the first switch SW ₁ A second switch SW ₂ And a third switch SW ₃ All are micro switches without self-locking function.

As shown in fig. 9, in the present embodiment, the motor rotation speed control circuit 60 includes a first motor rotation speed control circuit, a second motor rotation speed control circuit, and a third motor rotation speed control circuit; the first motor rotating speed control circuit and the third motor rotating speed control circuit control the motor 50 to operate at a first rotating speed (high gear), and the second motor rotating speed control circuit control the motor 50 to operate at a second rotating speed (low gear); first switch SW ₁ A third switch SW in the first motor speed control circuit ₃ A second switch SW in the third motor speed control circuit ₂ The first motor rotating speed control circuit, the second motor rotating speed control circuit and the third motor rotating speed control circuit are arranged in the motor; a diode D is arranged in the second motor rotating speed control circuit ₃ 。

Specifically, as shown in fig. 9, the second switch SW ₂ The normally open end P is connected with an external power supply (connected with a live wire), and the SW of the second switch ₂ Normally open end Q and diode D ₃ Anode of the second switch, SW of the second switch ₂ Normally closed end R and first switch SW ₁ Fixed terminal S and third switch SW ₃ The fixed end of the U is connected; the first terminals of the motor 50 are respectively connected with the diodes D ₃ Cathode of (2), SW of the first switch ₁ A moving terminal T and a third switch SW ₃ And a second terminal of the motor 50 is connected with an external power supply (connected with a zero line).

In an embodiment, as shown in fig. 9, the motor speed control circuit 60 further includes a temperature controller 40, and a second terminal of the motor 50 is connected to an external power source through the temperature controller 40; the temperature controller 40 is used for protecting the motor 50 to prevent the motor 50 from generating electrical danger.

In an operation process, after the food processor 1 is powered on, the external power supply outputs an alternating current voltage as shown in fig. 4, at this time, under the condition that a user does not press any function key, the first motor rotating speed control circuit, the second motor rotating speed control circuit and the third motor rotating speed control circuit are all in an open circuit state, and the motor 50 does not work; when the user presses the first function key 31, the first switch SW ₁ The fixed end S is connected with the movable end T, and the external power supply and the first switch SW ₁ A second switch SW ₂ The motor 50 and the temperature controller 40 form a closed loop, that is, the first motor speed control circuit is switched on, the driving motor 50 runs at the first speed (as shown in fig. 5), and the food processor 1 performs a meat mincing function; when the user presses the third function key 33, the third switch SW ₃ The fixed end U is conducted with the movable end V, and the external power supply and the second switch SW are connected ₂ And a third switch SW ₃ The motor 50 and the temperature controller 40 form a closed loop, namely, the rotating speed control circuit of the third motor is switched on, and the food processor 1 performs the meat mincing function; when the user presses the second function key 32, the second switch SW ₂ The common terminal P is conducted with the normally open terminal Q, the external power supply and the second switch SW ₂ Diode D ₃ The motor 50 and the temperature controller 40 form a closed loop, namely, the rotating speed control circuit of the second motor is conducted, and the food processor 1 executes the dough kneading function; when the user simultaneously presses the first, second and third function keys 31, 32 and 33, the second switch SW ₂ The common terminal P is conducted with the normally open terminal Q, the external power supply and the second switch SW ₂ Diode D ₃ The motor 50 and the temperature controller 40 form a closed loop, that is, the second motor speed control circuit is switched on, and the food processor 1 executes the dough kneading function.

Through above-mentioned measure, through 3 switches that correspond 3 buttons set up respectively, among first motor speed control circuit, second motor speed control circuit and the third motor speed control circuit to realize that the user passes through the palm when pressing 3 buttons, food processor 1 carries out the function of kneading dough, has greatly promoted user's use and has experienced.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A food processor, comprising:

the machine head is provided with a motor and a motor rotating speed control circuit, and the motor is connected in the motor rotating speed control circuit;

the cup body is detachably connected with the machine head;

the machine head is provided with three function keys, the three function keys correspond to three switches respectively, and the three switches at least correspond to a first motor rotating speed control circuit and a second motor rotating speed control circuit;

the first motor rotating speed control circuit controls the motor to operate at a first rotating speed, the second motor rotating speed control circuit controls the motor to operate at a second rotating speed, and the first rotating speed is greater than the second rotating speed;

when the three function keys are pressed simultaneously, the second motor rotating speed control circuit is conducted, so that the motor runs at the second rotating speed.

2. The food processor according to claim 1, wherein the three switches are a first switch, a second switch and a third switch, respectively, the first switch and the second switch are single-pole single-throw switches, the third switch is a single-pole double-throw switch, and the second motor speed control circuit is provided with a diode;

the normally-open ends of the second switch and the third switch are positioned in the second motor rotating speed control circuit, and the second switch is connected with the normally-open end of the third switch in parallel;

the normally closed ends of the first switch and the third switch are positioned in the first motor rotating speed control circuit, and the normally closed ends of the first switch and the third switch are connected in series.

3. The food processor according to claim 2, wherein a fixed end of the second switch is connected to an external power source, and a moving end of the second switch is connected to an anode of the diode;

the common end of the third switch is connected with the fixed end of the second switch, the normally open end is connected with the movable end of the second switch, and the normally closed end is connected with the fixed end of the first switch;

the first wiring terminal of the motor is respectively connected with the cathode of the diode and the moving end of the first switch, and the second wiring terminal of the motor is connected with an external power supply.

4. The food processor of claim 1, wherein the three switches are a first switch, a second switch and a third switch, respectively, the three switches correspond to the first motor speed control circuit, the second motor speed control circuit and a third motor speed control circuit, and the third motor speed control circuit controls the motor to operate at the second speed;

the first switch is positioned on the first motor rotating speed control circuit and the third motor rotating speed control circuit, the third switch is positioned on the third motor rotating speed control circuit, and the second switch is respectively positioned on the first motor rotating speed control circuit, the second motor rotating speed control circuit and the third motor rotating speed control circuit;

the first switch and the second switch are both single-pole double-throw switches, the third switch is a single-pole single-throw switch, and diodes are arranged on the second motor rotating speed control circuit and the third motor rotating speed control circuit.

5. The food processor of claim 4, wherein the second motor speed control circuit and the third motor speed control circuit share a same diode;

the common end of the first switch is connected with the normally closed end of the second switch;

the common end of the second switch is connected with an external power supply, and the normally open end of the second switch is connected with the anode of the diode;

the fixed end of the third switch is connected with the normally closed end of the first switch, and the movable end of the third switch is connected with the anode of the diode;

and a first terminal of the motor is respectively connected with the cathode of the diode and the normally open end of the first switch, and a second terminal of the motor is connected with an external power supply.

6. The food processor of claim 1, wherein the three function buttons correspond to a meat mincing button, a vegetable mincing button and a dough kneading button respectively.

7. The food processor of claim 1, further comprising a chopper, a dough kneading bar, a first speed reduction mechanism and a second speed reduction mechanism;

the shredding knife is connected with the motor through the first speed reducing mechanism, and the dough kneading rod is connected with the motor through the first speed reducing mechanism and the second speed reducing mechanism.

8. The food processor of claim 3 or 5, further comprising a temperature controller, wherein the second terminal of the motor is connected to the external power source through the temperature controller.

9. The food processor as claimed in claim 1, wherein a button area is provided on the head, and the three function buttons are provided in the button area.

10. The food processor of claim 9, wherein the key region is curved for pressing with a palm.