CN213757899U - Food processor - Google Patents

Abstract

The application discloses cooking machine includes cup and cup subassembly, and cup subassembly equipment is to cup. Be equipped with motor element and the first temperature sensor who is used for detecting motor element's temperature in the cup stand, motor element includes the motor cover and locates the motor body in the motor cover, and motor element is located to first temperature sensor, and sets up with motor body separation. The heat generated by the motor assembly in the operation process is detected through the first temperature sensor, so that the use experience of a user is improved.

Description

Food processor

Technical Field

The application relates to a small household electrical appliance field especially relates to a cooking machine.

Background

With the increasing living standard of people, many different types of food processors appear on the market. The functions of the food processor mainly include, but are not limited to, functions of making soybean milk, squeezing fruit juice, making rice paste, mincing meat, shaving ice, making coffee and/or blending facial masks and the like. The food processor can comprise a soybean milk machine, a stirrer or a wall breaking food processor and other machines for crushing and stirring food materials. Some cooking machine's motor self exists the control by temperature change protection for the motor can carry out spontaneous protection because of the high temperature in the operation process. The motor does not work during spontaneous protection, which generates motor damage false image for users, thereby reducing the use experience of users.

SUMMERY OF THE UTILITY MODEL

The application provides a cooking machine aiming at improving user experience.

The application provides a cooking machine, wherein include:

the cup holder is internally provided with a motor assembly and a first temperature sensor for detecting the temperature of the motor assembly, the motor assembly comprises a motor cover and a motor body arranged in the motor cover, and the first temperature sensor is arranged on the motor assembly and is separated from the motor body; and

a cup assembly assembled to the cup holder.

Optionally, the first temperature sensor is disposed on the motor cover. In some embodiments, the first temperature sensor is disposed in the motor cover for ease of installation.

Optionally, the motor cover is provided with a mounting hole, the first temperature sensor comprises a fixed end and a sensing end, the fixed end is arranged in the mounting hole, and the sensing end is arranged on the motor cover and faces one side of the motor body. In some embodiments, the sensing end of the first temperature sensor is arranged on one side of the motor cover facing the motor body, so that the detected temperature is more accurate.

Optionally, the motor body includes a stator coil, and the first temperature sensor is disposed at a position corresponding to the stator coil in a height direction of the food processor. In some embodiments, the first temperature sensor is associated with the position of the stator coil, and the sensed temperature is more accurate.

Optionally, the cup assembly comprises a cup body and a heating assembly arranged at the bottom of the cup body, and the heating assembly is provided with a second temperature sensor for detecting the temperature of food materials in the cup body. In some embodiments, a second temperature sensor is provided at the heating assembly to detect the temperature of the food material within the cup.

Optionally, the first temperature sensor is an NTC. In some embodiments, the temperature of the motor body is detected through the NTC, the detection sensitivity is high, and the detection precision is high. And/or

The second temperature sensor is an NTC. In some embodiments, the temperature of the food material in the cup body is detected through the NTC, so that the detection sensitivity is high, and the detection precision is high.

Optionally, the food processor includes a controller, the controller includes a first detection port and a second detection port, the first detection port is electrically connected to the first temperature sensor, the second detection port is electrically connected to the second temperature sensor, and the controller detects an electrical signal of the first temperature sensor through the first detection port; the controller detects an electrical signal of the second temperature sensor through the second detection port. In some embodiments, the controller detects the electric signal of the first temperature sensor through the first detection port, and the controller detects the electric signal of the second temperature sensor through the second detection port, so that the circuit structure is simplified, and the safety and the reliability are realized.

Optionally, the cooking machine includes a temperature detection circuit, a temperature detection circuit includes first resistance and second resistance, first resistance with a temperature sensor series connection is between power end and earthing terminal, the one end of second resistance connect in first detection port, the other end connect in first temperature sensor with between the first resistance. In some embodiments, the first resistor and the first temperature sensor divide the voltage to generate an electric signal corresponding to the temperature, the second resistor can limit the current, the circuit structure is simple, and the safety is high.

Optionally, the cooking machine includes second temperature detect circuit, second temperature detect circuit includes third resistance and fourth resistance, third resistance and second temperature sensor series connection are between power end and earthing terminal, the one end of fourth resistance connect in second detection port, the other end connect in second temperature sensor with between the fourth resistance. In some embodiments, the voltage is divided by the third resistor and the second temperature sensor to generate an electric signal corresponding to the temperature, the fourth resistor can limit the current, the circuit structure is simple, and the safety is high.

Optionally, a stirring knife assembly is arranged in the cup assembly, the motor body comprises a rotating shaft, and the rotating shaft is connected with the stirring knife assembly. In some embodiments, the pivot of motor body is direct to be connected with stirring knife tackle spare for cooking machine's high reduction reduces space size, noise reduction.

This application cooking machine includes cup and cup subassembly, is equipped with motor element in the cup and is used for detecting the first temperature sensor of motor element's temperature, and first temperature sensor locates motor element and sets up with motor element separation, and first temperature sensor is used for detecting the temperature of motor element at the operation in-process, is favorable to knowing motor element's situation to improve user's use and experience.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Fig. 1 is a schematic view of an embodiment of a food processor of the present application;

fig. 2 is a schematic cross-sectional view of an embodiment of the food processor shown in fig. 1;

FIG. 3 is a schematic block circuit diagram of an embodiment of the food processor of the present application;

fig. 4 is a partial circuit diagram of an embodiment of the food processor shown in fig. 3;

fig. 5 is a circuit diagram of an embodiment of a power circuit of the food processor shown in fig. 3.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The cooking machine of this application embodiment includes cup seat and cup subassembly. Be equipped with motor element and the first temperature sensor who is used for detecting motor element's temperature in the cup stand, motor element includes the motor cover and locates the motor body in the motor cover, and motor element is located to first temperature sensor, and sets up with motor body separation. The cup assembly is assembled to the cup holder.

This application cooking machine includes cup and cup subassembly, be equipped with motor element in the cup and be used for detecting the first temperature sensor of motor element's temperature, first temperature sensor locates motor element and sets up with motor element separation, first temperature sensor is used for the temperature of real-time detection motor element at the operation in-process, be favorable to knowing the motor element situation, can be convenient for know the false appearance of the damage when motor element is spontaneous protection to improve consumer's use and experience.

Fig. 1 is a schematic diagram of an embodiment of a food processor 10, and fig. 2 is a schematic cross-sectional diagram of the embodiment of the food processor 10 shown in fig. 1. In the embodiment shown in fig. 1 and 2, the food processor 10 includes a cup holder 11 and a cup assembly 12, the cup assembly 12 being assembled to the cup holder 11. The cup assembly 12 may contain food material therein, and the food material may be whipped, heated and/or vacuumed, etc. within the cup assembly 12. In some embodiments, the cup assembly 12 and the cup holder 11 are a unitary machine. In other embodiments, the cup assembly 12 and the cup holder 11 are removably assembled.

In some embodiments, a motor assembly 111 and a first temperature sensor 112 for detecting a temperature of the motor assembly 111 are disposed within the cup holder 11. The motor assembly 111 includes a motor housing 113 and a motor body 114 disposed within the motor housing 113. The first temperature sensor 112 is disposed on the motor assembly 111 and is separated from the motor body 114. The first temperature sensor 112 detects the heat emitted by the motor assembly 111 during the operation process, so that the false appearance of damage when the motor body 111 is spontaneously protected can be conveniently known, and the temperature of the motor body 111 can be known and a corresponding prompt can be given. For example, when the temperature of the motor assembly 111 is too high, a corresponding prompt is given, so that a user can be prompted to know the operation condition of the motor assembly 111, and corresponding measures can be conveniently taken. Can be when motor element 114 high temperature spontaneous protection, and indicate spontaneous protection, the suggestion that the operating function of cooking machine 10 can not be launched for user's understanding condition in time improves consumption and experiences. In some embodiments, the first Temperature sensor 112 is an NTC (Negative Temperature Coefficient). The NTC is used for detecting the temperature of the motor body 114, so that the detection sensitivity is higher, and the detection precision is higher.

In some embodiments, the first temperature sensor 112 is provided at the motor cover 113. Locate motor cover 113 with first temperature sensor 112, so can be close to motor body 114, the heat that detectable motor body 114 gived off in the operation, make the temperature that detects more accurate to motor cover 113 is first temperature sensor 112 of easy to assemble. In some embodiments, the motor cover 113 is provided with a mounting hole 115, the first temperature sensor 112 includes a fixed end 1121 and a sensing end 1122, the fixed end 1121 is disposed in the mounting hole 115, and the sensing end 1122 is disposed on a side of the motor cover 113 facing the motor body 114. In some embodiments, the installation hole 115 is provided with threads, the fixing end 1121 may be a stud structure, the stud structure is provided with threads matching with the threads in the installation hole 115, and the stud and the threads are matched to fix the first temperature sensor 112 in the installation hole 115 in a simple manner. In some embodiments, the fixed end 1121 and the sensing end 1122 are integrally formed, and have a simple structure. The sensing end 1122 of the first temperature sensor 112 is disposed on the motor cover 113 and faces one side of the motor body 114, and the sensing end 1122 is close to the motor body 114, so that the detected temperature is more accurate.

In some embodiments, the motor body 114 includes a stator coil 116, and the first temperature sensor 112 is disposed at a position corresponding to the stator coil 116 in the height direction of the food processor. The elevation position of the first temperature sensor 112 may be between the top and bottom ends of the stator coil 116. The first temperature sensor 112 corresponds to the position of the stator coil 116, and can more accurately detect the amount of heat emitted from the stator coil 116 during operation. Since the heat of the motor body 114 is mainly derived from the heat generated by the stator coil 116, the first temperature sensor 112 is arranged to correspond to the position of the stator coil 116, so that the detected temperature of the motor assembly 111 is more accurate.

In some embodiments, the cup assembly 12 includes a cup 121 and a heating assembly 122 disposed at the bottom of the cup 121. The heating assembly 122 is used for heating the food material inside the cup body 121. In some embodiments, the heating assembly 122 is provided with a second temperature sensor 123 for detecting the temperature of the food material inside the cup 121. The second temperature sensor 123 is used for detecting the temperature of the food material inside the cup body 121. Because the heating assembly 122 is disposed at the bottom of the cup 121, and the second temperature sensor 123 is disposed at the bottom of the cup 121, the detected temperature can be more accurate. In some embodiments, the second Temperature sensor 123 is an NTC (Negative Temperature Coefficient). Detect the temperature of eating the material in the cup 121 through the NTC, detection sensitivity is high, and detects the precision height.

In some embodiments, a stirring blade assembly 124 is disposed in the cup assembly 12, and the motor body 114 includes a rotating shaft 117, and the rotating shaft 117 is connected to the stirring blade assembly 124. The rotating shaft 117 of the motor body 114 is directly connected with the stirring blade assembly 124, so that the height of the food processor 10 is reduced, the space size is reduced, and the noise is reduced. The motor body 114 can provide a driving force, and the rotating shaft 117 of the motor body 114 rotates to drive the stirring blade assembly 124 to stir the food material. In the embodiment shown in fig. 2, the stirring blade assembly 124 includes a blade shaft 125, the rotating shaft 117 is connected to and in contact with the blade shaft 125, and when the rotating shaft 117 of the motor body 114 rotates, the blade shaft 125 is driven to rotate, so as to drive the stirring blade assembly 124 to stir the food material. In other embodiments, the blades of the stirring blade assembly 124 are mounted to the shaft 117 of the motor body 114.

In some embodiments, the cup holder 11 further comprises a control board 13, and the control board 13 is provided with a power supply for supplying power to control and drive the food processor 10 to operate.

Fig. 3 is a schematic block circuit diagram of an embodiment of the food processor 10 according to the present application. As shown in fig. 3, the food processor 10 includes a controller 131. In some embodiments, the controller 131 may be a Central Processing Unit (CPU), a single chip, other processors, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware components, and the like.

In some embodiments, the controller 131 includes a first test port TEMP1 and a second test port TEMP2, the first test port TEMP1 is electrically connected to the first temperature sensor 112, the controller 131 detects an electrical signal of the first temperature sensor 112 through the first test port TEMP1, and the controller 131 detects an electrical signal of the first temperature sensor 112 through the first test port TEMP1, so that the circuit structure is simplified, and the controller is safe and reliable. In some embodiments, the second detection port TEMP2 is electrically connected to the second temperature sensor 123, and the controller 131 detects the electric signal of the second temperature sensor 123 through the second detection port TEMP 2. The controller 131 detects the electrical signal of the second temperature sensor 123 through the second detection port TEMP2, which simplifies the circuit structure and is safe and reliable.

Fig. 4 is a partial circuit diagram of the food processor 10 shown in fig. 3 according to an embodiment. As shown in fig. 4, the food processor 10 includes a first temperature detection circuit 132 and a second temperature detection circuit 133. The first temperature detection circuit 132 is configured to detect an electrical signal of the first temperature sensor 112, and the second temperature detection circuit 133 is configured to detect an electrical signal of the first temperature sensor 112. In some embodiments, the first temperature detection circuit 132 and the second temperature detection circuit 133 may be disposed on the control board 13 (shown in fig. 2).

In some embodiments, the first temperature detecting circuit 132 includes a first resistor R1 and a second resistor R2, the first resistor R1 and the first temperature sensor 112 are connected in series between a power terminal VDD and a ground terminal, one end of the second resistor R2 is connected to the first detecting port TEMP1, and the other end is connected between the first temperature sensor 112 and the first resistor R1. The voltage of the power supply terminal VDD is 5V. In the embodiment shown in fig. 4, the first resistor R1 and the first temperature sensor 112 divide the voltage to generate an electrical signal corresponding to the temperature, the second resistor R2 can limit the current, the circuit structure is simple, and the safety is high. In some embodiments, the accuracy of the first resistor R1 is 1%, so that the detection accuracy is high.

In some embodiments, the second temperature sensing circuit 133 includes a third resistor R3 and a fourth resistor R4, the third resistor R3 and the second temperature sensor 123 are connected in series between the power terminal VDD and the ground terminal, one end of the fourth resistor R4 is connected to the second sensing port TEMP2, and the other end is connected between the second temperature sensor 123 and the fourth resistor R4. In the embodiment shown in fig. 4, the voltage is divided by the third resistor R3 and the second temperature sensor 123 to generate an electric signal corresponding to the temperature, the fourth resistor R4 can limit the current, the circuit structure is simple, and the safety is high. In some embodiments, the accuracy of the third resistor R3 is 1%, so that the detection accuracy is high.

In the embodiment shown by combining fig. 1 and 4, the cup holder 11 is provided with the operation panel 15, the operation panel 15 is provided with a plurality of operation keys 151, the controller 131 comprises interaction ports TK1-TK2, the operation keys 151 are electrically connected with the interaction ports TK1-TK2, and the controller 131 receives operation instructions of the operation keys 151 through the interaction ports TK1-TK 2. In some embodiments, the operation panel 15 includes a buzzer 152, the controller 131 includes a voice control port BUZ, the buzzer 152 is electrically connected, and the controller 131 controls the buzzer 152 through the voice control port BUZ. In some embodiments, the operation panel 15 includes a plurality of light emitting diodes 153, and the plurality of light emitting diodes 153 are electrically connected to the controller 131.

Fig. 5 is a circuit diagram of an embodiment of the power circuit 134 of the food processor 10 shown in fig. 3. As shown in fig. 3 and 5, the food processor 10 further includes a power circuit 134 connected to the power source 14 and the controller 131, wherein the power circuit 134 converts the ac power into the dc power and provides the dc power to the controller 131.

In some embodiments, the power supply 14 may provide alternating current, such as mains electricity. In some embodiments, the power supply 14 may transmit mains power through the neutral line N and the live line L. In the embodiment shown in FIG. 4, the power circuit 134 includes a switching circuit 1340 coupled to the power supply 14. The switching circuit 1340 is connected to the live line L and the neutral line N, and converts the ac strong current into the dc weak current, so as to supply power to the controller 131. In some embodiments, an output of the switch circuit 1340 is connected to ground. In some embodiments, the power supply circuit 134 may include a switching power supply.

In some embodiments, the conversion circuit 1340 may include a non-isolated power supply circuit 1341. The non-isolated power supply circuit 1341 may output a non-isolated power, e.g., a 9V non-isolated power, which may power the controller 131. In other embodiments, the conversion circuit 1340 may further include an isolated power supply circuit (not shown) that may output isolated power, such as 12V isolated power.

In some embodiments, the power circuit 134 may also include an electromagnetic filtering circuit 1342. The electromagnetic filter circuit 1342 is connected between the power supply 14 and the power supply circuit 1340, and the electromagnetic filter circuit 1342 can be used for filtering the electromagnetic interference signal, so that the voltage of the power supply circuit 134 is more stable. In some embodiments, the electromagnetic filter circuit 1342 may include a common mode filter circuit that may filter common mode electromagnetic interference signals. The electromagnetic filter circuit 1342 may be used for EMC filtering (electromagnetic compatibility filtering).

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. A food processor, comprising:

the cup holder (11), a motor assembly (111) and a first temperature sensor (112) for detecting the temperature of the motor assembly (111) are arranged in the cup holder (11), the motor assembly (111) comprises a motor cover (113) and a motor body (114) arranged in the motor cover (113), and the first temperature sensor (112) is arranged on the motor assembly (111) and is separated from the motor body (114); and

a cup assembly (12) assembled to the cup holder (11).

2. The food processor of claim 1, wherein the first temperature sensor (112) is disposed on the motor cover (113).

3. The food processor as claimed in claim 1, wherein the motor cover (113) is provided with a mounting hole (115), the first temperature sensor (112) comprises a fixed end (1121) and a sensing end (1122), the fixed end (1121) is disposed in the mounting hole (115), and the sensing end (1122) is disposed on one side of the motor cover (113) facing the motor body (114).

4. The food processor of claim 1, wherein the motor body (114) comprises a stator coil (116), and the first temperature sensor (112) is disposed at a position corresponding to the stator coil (116) in a height direction of the food processor.

5. The food processor according to claim 1, wherein the cup assembly (12) comprises a cup body (121) and a heating assembly (122) arranged at the bottom of the cup body (121), and the heating assembly (122) is provided with a second temperature sensor (123) for detecting the temperature of food materials in the cup body (121).

6. The food processor of claim 5, wherein the first temperature sensor (112) is an NTC; and/or

The second temperature sensor (123) is an NTC.

7. The food processor of claim 5, comprising a controller (131), wherein the controller (131) comprises a first detection port and a second detection port, wherein the first detection port is electrically connected to the first temperature sensor (112), the second detection port is electrically connected to the second temperature sensor (123), and the controller (131) detects an electrical signal of the first temperature sensor (112) through the first detection port; the controller (131) detects an electrical signal of the second temperature sensor (123) through the second detection port.

8. The food processor of claim 7, comprising a first temperature detection circuit (132), wherein the first temperature detection circuit (132) comprises a first resistor and a second resistor, wherein the first resistor and the first temperature sensor (112) are connected in series between a power end and a ground end, one end of the second resistor is connected to the first detection port, and the other end of the second resistor is connected between the first temperature sensor (112) and the first resistor.

9. The food processor of claim 7, wherein the food processor comprises a second temperature detection circuit (133), the second temperature detection circuit (133) comprises a third resistor and a fourth resistor, the third resistor and the second temperature sensor (123) are connected in series between a power end and a ground end, one end of the fourth resistor is connected to the second detection port, and the other end of the fourth resistor is connected between the second temperature sensor (123) and the fourth resistor.

10. The food processor of claim 1, wherein a stirring blade assembly (124) is arranged in the cup assembly (12), the motor body (114) comprises a rotating shaft (117), and the rotating shaft (117) is connected with the stirring blade assembly (124).

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