CN212591755U - Food processor - Google Patents

Abstract

The application provides a cooking machine, including magnetic control assembly, cup body component, bowl cover subassembly and control circuit. The magnetic control assembly comprises an electromagnet and a limiting rod. The cup cover assembly can be covered on the cup body assembly, one of the cup body assembly and the cup cover assembly is provided with a limiting hole, the other one of the cup body assembly and the cup cover assembly is provided with a limiting rod, the limiting hole is opposite to the limiting rod when the cup cover assembly is covered on the cup body assembly, and the position of the limiting rod corresponds to the position of the electromagnet. The control circuit is electrically connected with the electromagnet and controls the electromagnet to be powered on or powered off. When the electromagnet is electrified, the limiting rod is inserted into the limiting hole under the magnetic force action of the electromagnet, so that the cup cover assembly is limited on the cup body assembly; when the electromagnet is powered off, the limiting rod is separated from the limiting hole, and the limiting of the cup cover assembly and the cup body assembly is released. When the food processor works, the limiting rod is inserted into the limiting hole, so that the cup cover assembly is locked on the cup body assembly and cannot be opened, and the food processor is safe and reliable.

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.

When the food processor works, the cup cover assembly cannot be locked on the cup body assembly, and serious potential safety hazards are brought to product use.

SUMMERY OF THE UTILITY MODEL

The application provides a cooking machine aiming at reducing potential safety hazards of products.

The application provides a cooking machine, wherein include:

the magnetic control assembly comprises an electromagnet and a limiting rod;

a cup body assembly;

the cup cover assembly can be covered on the cup body assembly, one of the cup body assembly and the cup cover assembly is provided with a limiting hole, the other of the cup body assembly and the cup cover assembly is provided with the limiting rod, the limiting hole is opposite to the limiting rod when the cup cover assembly is covered on the cup body assembly, and the position of the limiting rod corresponds to the position of the electromagnet;

the control circuit is electrically connected with the electromagnet and controls the on-off of the electromagnet;

when the electromagnet is powered on, the limiting rod is inserted into the limiting hole under the action of the magnetic force of the electromagnet, so that the cup cover assembly is limited on the cup body assembly, and when the electromagnet is powered off, the limiting rod is separated from the limiting hole, and the limitation of the cup cover assembly and the cup body assembly is relieved.

Optionally, the electromagnet and the limiting rod are integrated into an electromagnetic valve; in some embodiments, utilize the gag lever post that solenoid valve itself has, the design is simple for cooking machine simple structure. And/or

The magnetic control assembly is arranged on the cup body assembly, the limiting hole is formed in the cup cover assembly, and when the electromagnet is electrified, the electromagnet pushes the limiting rod to be inserted into the limiting hole in the direction of the cup cover assembly. In some embodiments, the magnetic control assembly is arranged on the cup body assembly, the limiting hole is arranged on the cup cover assembly, and the structural design is simple.

Optionally, the electromagnet and the limiting hole are arranged on the cup body assembly, the limiting rod is arranged on the cup cover assembly, and when the electromagnet is electrified, the electromagnet attracts the limiting rod to be inserted into the limiting hole.

Optionally, the cup body assembly comprises a cup body and a cup handle arranged on one side of the cup body, the cup cover assembly comprises a cup cover handle in butt joint with the cup handle, the electromagnet is arranged in the cup handle, one of the cup handle and the cup cover handle is provided with the limiting hole, and the other is provided with the limiting rod. In some embodiments, the cup cover handle and the cup handle are internally provided with a limiting hole and a magnetic control assembly conveniently, and the space of the cup cover handle and the cup handle can be fully utilized. And/or

The bowl cover subassembly is in cup body assembly's rim of a cup circumference spin lid close in cup body assembly, spacing hole is in extend in the vertical of cooking machine, the gag lever post is in stretch into or break away from in the vertical of cooking machine spacing hole. In some embodiments, the lid assembly and the cup assembly can be locked in the rotation direction of the lid assembly, effectively preventing the lid assembly from being opened in the operation of the food processor.

Optionally, the cooking machine include load and electric connection power with the electric control switch of load, control circuit with electric control switch connects, controls electric control switch's on-off state controls the break-make of load. In some embodiments, an electrically controlled switch is provided to power down the load, thereby improving safety.

Optionally, the control circuit includes a controller, the electric control switch and the electromagnet are connected to the same port of the controller, and the controller controls the electric control switch to be turned off when the electromagnet is powered off. In some embodiments, the electric control switch and the electromagnet are connected to the same port of the controller, so that the electromagnet can be disconnected while the electric control switch is disconnected, the load is disconnected before the cup cover assembly is opened, and the safety is improved.

Optionally, the electric control switch is connected in parallel with the electromagnet, the control circuit includes a switch control circuit, the controller includes a switch control port, the switch control port is electrically connected with the electromagnet and the electric control switch through the switch control circuit, and the controller controls the electromagnet and the electric control switch through the switch control port. In some embodiments, the same control circuit controls the electromagnet and the electric control switch, so that the device is safe and reliable, and the circuit is simple.

Optionally, the food processor comprises a switch assembly arranged on the cup body assembly and a switch trigger module arranged on the cup cover assembly, and the switch assembly is electrically connected with the switch control circuit;

when the cup cover assembly is opened, the switch trigger module is separated from the switch assembly, and the switch assembly is in an open state, so that the switch control circuit is powered off; when the cup cover assembly covers, the switch triggering module triggers the switch assembly to be in a closed state, so that the controller can control the switch control circuit. In some embodiments, the switch assembly and the switch trigger module are arranged, the circuit is controlled to be powered on or powered off on hardware, and the safety is high.

Optionally, the switch control circuit includes a triode, a base of the triode is electrically connected with the switch control port, a collector of the triode is electrically connected with the electromagnet and the electric control switch respectively, and an emitter of the triode is electrically connected with the switch component; the controller controls the electromagnet and the electric control switch by controlling the triode. In some embodiments, the triode is used for controlling the electromagnet and the electric control switch, so that devices can be saved, the circuit can be simplified, and the cost can be saved.

Optionally, the controller includes a driving control port and a switching control port; the control circuit includes a load control circuit electrically connected to the load, the load control circuit including:

the driving circuit is electrically connected with the driving control port, and the controller controls the driving circuit through the driving control port; and

the load switch circuit is electrically connected with the driving circuit and the load and is electrically connected with the switching control port of the controller, and the controller controls the load switch circuit through the switching control port;

and the controller controls the electromagnet and the electric control switch to be powered off after delaying the set time when the load switch circuit and the driving circuit are controlled to enable the load to be powered off. In some embodiments, a load switch circuit is provided to further improve safety.

This application cooking machine is through setting up magnetic control assembly and spacing hole, magnetic control assembly includes electro-magnet and gag lever post, when the electro-magnet circular telegram, the gag lever post inserts spacing hole under the magnetic force effect of electro-magnet, make the bowl cover subassembly spacing on cup body assembly, when the electro-magnet outage, the gag lever post breaks away from spacing hole, it is spacing to remove bowl cover subassembly and cup body assembly, at cooking machine during operation, the gag lever post inserts spacing downthehole messenger bowl cover subassembly and locks in cup body assembly and can not be opened, safety and reliability.

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 view of another embodiment of the food processor of the present application;

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

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

fig. 5 is a circuit diagram 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 food processor comprises a magnetic control assembly, a cup body assembly, a cup cover assembly and a control circuit, wherein the magnetic control assembly comprises an electromagnet and a limiting rod, the cup cover assembly can be covered on the cup body assembly, one of the cup body assembly and the cup cover assembly is provided with a limiting hole, the other of the cup body assembly and the cup cover assembly is provided with the limiting rod, the limiting hole is opposite to the limiting rod when the cup cover assembly is covered on the cup body assembly, and the position of the limiting rod corresponds to the position of the electromagnet; the control circuit is electrically connected with the electromagnet and used for controlling the on-off of the electromagnet; when the electromagnet is powered on, the limiting rod is inserted into the limiting hole under the magnetic action of the electromagnet, so that the cup cover assembly is limited on the cup body assembly, and when the electromagnet is powered off, the limiting rod is separated from the limiting hole, so that the limitation of the cup cover assembly and the cup body assembly is relieved.

This application cooking machine is through setting up magnetic control assembly and spacing hole, magnetic control assembly includes electro-magnet and gag lever post, when the electro-magnet circular telegram, the gag lever post inserts spacing hole under the magnetic force effect of electro-magnet, make the bowl cover subassembly spacing on cup body assembly, when the electro-magnet outage, the gag lever post breaks away from spacing hole, it is spacing to remove bowl cover subassembly and cup body assembly, at cooking machine during operation, the gag lever post inserts spacing downthehole messenger bowl cover subassembly and locks in cup body assembly and can not be opened, safety and reliability.

Fig. 1 is a schematic diagram of an embodiment of a food processor 10. In the embodiment shown in fig. 1, the food processor 10 includes a main body 11, a cup body assembly 12, a lid assembly 13, and a magnetron assembly 14.

In some embodiments, the host 11 is in the form of a stand. The host 11 can provide power, control and drive the food processor 10 to work, and can interact with the user.

In some embodiments, the cup assembly 12 may be assembled to the host 11. In some embodiments, the cup assembly 12 is removably assembled to the host 11. The cup body assembly 12 can contain food materials, and the food materials can be stirred, heated and/or vacuumized in the cup body assembly 12. In some embodiments, cup assembly 12 includes a cup 120 and a cup handle 121 disposed on one side of cup 120.

In some embodiments, lid assembly 13 may be attached to cup assembly 12. When the food processor 10 works, the cup cover assembly 13 is covered on the cup body assembly 12. After the food processor 10 finishes working, the cup cover assembly 13 can be taken down from the cup body assembly 12. Lid assembly 13 includes lid handle 130. When lid assembly 13 is closed on cup assembly 12, lid handle 130 is docked with cup handle 121 and lid assembly 13 is in place. In some embodiments, lid assembly 13 may be screwed onto cup assembly 12 and rotated into position such that lid assembly 13 covers cup assembly 12. In other embodiments, lid assembly 13 may be closed in place from top to bottom with lid assembly 13 covering cup assembly 12. In some embodiments, lid assembly 13 is removably assembled to bowl assembly 12 and is separable from bowl assembly 12. In other embodiments, lid assembly 13 is hingedly attached to cup assembly 12.

In some embodiments, the magnetron assembly 14 includes an electromagnet 140 and a stop bar 141. One of the cup body assembly 12 and the cup lid assembly 13 is provided with a limiting hole 142, the other is provided with a limiting rod 141, when the cup lid assembly 13 covers the cup body assembly 12, the limiting hole 142 is opposite to the limiting rod 141, and the position of the limiting rod 141 corresponds to the position of the electromagnet 140. When the electromagnet 140 is controlled to be powered on, the limiting rod 141 is inserted into the limiting hole 142 under the magnetic force of the electromagnet 140, so that the cup lid assembly 13 is limited on the cup body assembly 12, and when the electromagnet 140 is controlled to be powered off, the limiting rod 141 is separated from the limiting hole 142, and the limitation between the cup lid assembly 13 and the cup body assembly 12 is removed. When the food processor 10 works, the limiting rod 141 is inserted into the limiting hole 142, so that the cup lid assembly 13 is locked to the cup body assembly 12 and cannot be opened, and the food processor is safe and reliable.

In some embodiments, the electromagnet 140 and the limit post 141 are integrated as a solenoid valve. In some embodiments, a solenoid valve is provided within cup assembly 12. In some embodiments, the solenoid valve further includes a magnetic valve seat (not shown), and the electromagnet 140 and the stopper 141 are disposed on the magnetic valve seat. In some embodiments, when the lid assembly 13 is covered on the cup assembly 12, the solenoid valve is powered on, the magnetic force generated by the electromagnet 140 moves the stopper rod 141, and the stopper rod 141 is inserted into the stopper hole 142. In some other embodiments, an electromagnetic coil is disposed in the electromagnetic valve, and when the lid assembly 13 is covered on the cup body assembly 12, the electromagnetic coil is energized, and the electromagnetic coil generates electromagnetic force to extend the limiting rod 141 and insert the limiting rod into the limiting hole 142, so that the lid assembly 13 is locked to the cup body assembly 12 and cannot be opened, which is safe and reliable. When the cup cover assembly 13 is opened, the electromagnetic valve is powered off, the electromagnetic force of the electromagnetic coil disappears, the limiting rod 141 retracts, and the limiting rod is separated from the limiting hole 142. Select for use the solenoid valve, utilize the gag lever post 141 that solenoid valve itself has, the design is simple for cooking machine simple structure, and stability is good, safe and reliable, the cost is lower. When the food processor 10 works, the electromagnetic valve is powered on, the magnetic force generated by the electromagnet 140 enables the limiting rod 141 to move and insert into the limiting hole 142, so that the cup cover assembly 13 is locked on the cup body assembly 12 and cannot be opened, and the food processor is safe and reliable. In other embodiments, the electromagnet 140 and the stopper rod 141 are separate components, and the electromagnet 140 and the stopper rod 141 can be assembled to the food processor 10 respectively.

In some embodiments, the magnetron assembly 14 is disposed on the cup assembly 12, the stopper hole 142 is disposed on the lid assembly 13, and when the electromagnet 140 is energized, the electromagnet 140 pushes the stopper rod 141 toward the lid assembly 13 to insert into the stopper hole 142. In the embodiment shown in fig. 1, the electromagnet 140 is disposed in the cup assembly 12, and the stopper 141 is also disposed in the cup assembly 12, wherein the stopper 141 extends above the electromagnet 140. In some embodiments, the stop 141 is a permanent magnet. In other embodiments, the stop lever 141 includes a magnet portion connecting the support portion and the support portion, and the magnet portion has the same magnetism as the electromagnet 140. In some embodiments, the magnetron assembly 14 is disposed on the cup assembly 12, and the limiting hole 142 is disposed on the lid assembly 13, so that the structural design is simple. In some embodiments, the lid handle 130 and the cup handle 121 are conveniently provided with the limiting hole 142 and the magnetron assembly 14, so that the space of the lid handle 130 and the cup handle 121 can be fully utilized.

In the embodiment shown in fig. 1, when the electromagnet 140 is energized, electromagnetic force is generated to push the stopper rod 141 to be inserted into the stopper hole 142 in the direction of the lid assembly 13. When gag lever post 141 inserts spacing hole 142 in for cooking machine 10 locks in cup body component 12 and can not be opened at during operation bowl cover subassembly 13, guarantees that cooking machine 10 does not deviate from cup body component 12 at the during operation, bowl cover subassembly 13, improves the security of product.

In some embodiments, when the lid assembly 13 covers the cup assembly 12, the position of the limiting rod 141 is opposite to the position of the limiting hole 142, so that the limiting rod 141 can be inserted into the limiting hole 142. In some embodiments, the diameter of the limiting rod 141 is matched with the aperture of the limiting hole 142, so that the food processor 10 can better limit the position of the lid assembly 13 and the cup body assembly 12 during operation. In some embodiments, the stop rod 141 has a diameter smaller than the diameter of the stop bore 142. In some embodiments, the length of the restraint rods 141 matches the depth of the restraint holes 142. In the embodiment shown in fig. 1, the lid assembly 13 is rotatably covered on the cup body assembly 12 in the circumferential direction of the cup mouth of the cup body assembly 12, the limiting hole 142 extends in the longitudinal direction of the food processor 10, the limiting rod 141 extends into or separates from the limiting hole 142 in the longitudinal direction of the food processor 10, and when the food processor 10 works, the limiting rod 141 is inserted into the limiting hole 142 so that the lid assembly 13 is locked to the cup body assembly 12 and cannot be opened, which is safe and reliable.

Fig. 2 is a schematic view of another embodiment of the food processor 10. Similar to the embodiment shown in fig. 1, in fig. 2, the position arrangement of the limiting rod 141 and the limiting hole 142 is different. In the embodiment shown in fig. 2, the electromagnet 140 and the limiting hole 142 are disposed in the cup body assembly 12, the limiting rod 141 is disposed in the cup lid assembly 13, and when the electromagnet 140 is powered on, the electromagnet 140 attracts the limiting rod 141 to be inserted into the limiting hole 142. So can prevent that gag lever post 141 from setting up in cup body assembly 12's scheme, the problem of the easy intaking of the flexible hole of confession gag lever post 141 of cup body assembly 12 prevents that electromagnet 140 from intaking the short circuit to the security is higher. The electromagnet 140 is arranged in the cup body assembly 12 and separated from the limiting hole 142, and the bottom wall and the side wall of the limiting hole 142 are sealed to prevent water from entering. In the embodiment of fig. 1 where the stopper rod 141 is disposed on the cup body assembly 12, a sealing ring may be disposed between the cup body assembly 12 and the stopper rod 141 to prevent water from entering. In the embodiment shown in fig. 2, the hole for extending and retracting the stopper rod 141 of the lid assembly 13 may be isolated from other spaces of the lid assembly 13, and the stopper rod 141 is isolated from other spaces of the lid assembly 13, so as to prevent liquid and the like from entering into other spaces of the lid assembly 13, and the space may be provided with electric elements such as a coupler, and thus, water from the stopper rod 141 may be prevented from entering the electric elements. The sealing ring is not needed, and the structure is simple.

In the embodiment shown in fig. 2, when lid assembly 13 is closed, stopper hole 142 is inserted downward into stopper rod 141. The electromagnet 140 is located below the stopper hole 142.

In some embodiments, the electromagnet 140 is disposed in the cup handle 121, the limiting rod 141 and the limiting hole 142 are also disposed in the cup lid handle 130, the electromagnet 140 is disposed opposite to the limiting rod 141, and when the electromagnet 140 is powered on, the electromagnet 140 attracts the limiting rod 141 and inserts into the limiting hole 142. Lid subassembly 13 lid fits on cup body assembly 12 for lid subassembly 13 locks in cup body assembly 12 and can not be opened at cooking machine 10 during operation, safe and reliable, and make lid handle 130 and cup handle 121 stably dock, guarantee that lid handle 130 does not deviate from cup handle 121, reduce the potential safety hazard of using the product. In the embodiment shown in fig. 2, the lid assembly 13 is rotatably covered on the cup body assembly 12 in the circumferential direction of the cup mouth of the cup body assembly 12, the limiting hole 142 extends in the longitudinal direction of the food processor 10, the limiting rod 141 extends into or separates from the limiting hole 142 in the longitudinal direction of the food processor 10, and when the food processor 10 works, the limiting rod 141 is inserted into the limiting hole 142 so that the lid assembly 13 is locked to the cup body assembly 12 and cannot be opened, which is safe and reliable.

In some embodiments, the food processor 10 can include a control circuit 15. The control circuit 15 is electrically connected with the electromagnet 140 and used for controlling the on-off of the electromagnet 140; when the control circuit 15 controls the electromagnet 140 to be electrified, the limiting rod 141 is inserted into the limiting hole 142 under the magnetic force action of the electromagnet 140, so that the cup cover assembly 13 is limited on the cup body assembly 12, and the limiting rod 141 is inserted into the limiting hole 142, so that the cup cover assembly 13 is locked on the cup body assembly 12 and cannot be opened when the food processor 10 works, and the food processor is safe and reliable; when the control circuit 15 controls the electromagnet 140 to be powered off, the limiting rod 141 is separated from the limiting hole 142, the limiting between the cup lid assembly 13 and the cup body assembly 12 is released, when the cup lid assembly 13 of the food processor 10 is opened, the limiting rod 141 is separated from the limiting hole 142, the control circuit 15 controls the load 17 to stop working, and the cover opening safety is ensured.

Fig. 3 is a schematic block diagram of an embodiment of the food processor 10 of the present application. The control circuit 15 includes a controller 150 and a switch control circuit 152. The food processor 10 includes a load 17, and the control circuit 15 is electrically connected to the power supply 16 and the load 17.

In some embodiments, load 17 may include, but is not limited to, a motor 170 and a heating assembly 171. The motor 170 is assembled in the main body 11 shown in fig. 1. The heating unit 171 is assembled to the bottom of the cup body unit 12, and may be a heating plate provided with a heating tube, an electromagnetic heating plate, or the like, for heating food. The heating element 171 may be assembled with a temperature sensor, such as an NTC. In other embodiments, a cup chassis without a heating function is fixedly assembled at the bottom of the cup body.

The power supply 16 may provide alternating current, such as mains electricity. In some embodiments, the power supply 16 may transmit mains power through the neutral and hot wires. The food processor 10 includes a power circuit 151 connected to the power source 16 for converting ac power to dc power to power the controller 150.

The food processor 10 includes a switch assembly 153 and a switch trigger module 154, wherein the switch assembly 153 is disposed on the cup body assembly 12 and electrically connected to the switch control circuit 152. The switch assembly 153 includes a first contact 1531 and a second contact 1532 that are separately disposed. Switch activation module 154 is disposed on lid assembly 13. When the lid assembly 13 is opened, the switch trigger module 154 is separated from the switch assembly 153, the first contact 1531 and the second contact 1532 are disconnected, and the switch assembly 153 is in an open state, so that the switch control circuit 152 is powered off; when the cap assembly 13 is closed, the switch trigger module 154 electrically connects the first contact 1531 and the second contact 1532, and the trigger switch assembly 153 is in a closed state, so that the controller 150 can control the switch control circuit 152. The closing and opening of the cap assembly 13 controls the on/off of the switch control circuit 152.

In some embodiments, the first contact 1531 of the switch assembly 153 is electrically connected to the switch control circuit 152 and the second contact 1532 is grounded. When the cap assembly 13 is closed, the first contact 1531 and the second contact 1532 are connected to connect the switch control circuit 152 with the dc power. When cap assembly 13 is opened, first contact 1531 and second contact 1532 are open and switch control circuit 152 is de-energized.

The controller 150 includes a switch control port 1500 electrically connected to the switch control circuit 152. The controller 150 controls the switch control circuit 152 via the switch control port 1500 to control the electromagnet 140 to be powered on and off. When the controller 150 controls the electromagnet 140 to be powered on through the switch control port 1500, the limiting rod 141 is inserted into the limiting hole 142, so that the cup cover assembly 13 is tightly locked on the cup body assembly 12 and cannot be opened, thereby ensuring that the cup cover assembly 13 does not separate from the cup body assembly 12 when the food processor 10 works, and improving the safety of products.

In some embodiments, the control circuit 15 includes a load control circuit 155 electrically connecting the power circuit 151 and the load 17, and the controller 150 includes a switching control port 1502 electrically connected to the load control circuit 155. The controller 150 controls the load control circuit 155 by switching the control port 1502.

The switching control port 1502 may be an input/output port (I/O port) configured as an output port when controlling the load control circuit 155. When lid assembly 13 is closed on cup assembly 12, controller 150 may configure switch control port 1502 as an output port to output a control signal to load control circuit 155.

The load control circuit 155 is connected between the power supply circuit 151 and the load 17, and the controller 150 may control the load control circuit 155 to drive the load 17. In some embodiments, controller 150 may also control the switching of load control circuit 155 to control the switching of the lines from power supply circuit 151 to load 17.

In some embodiments, controller 150 includes drive control port 1501. The load control circuit 155 includes a driver circuit 1550 and a load switch circuit 1551. The driving circuit 1550 is electrically connected to the power supply circuit 151 and the driving control port 1501, and the controller 150 controls the driving circuit 1550 through the driving control port 1501. The load switch circuit 1551 is electrically connected to the driving circuit 1550 and the load 17, and is electrically connected to the switching control port 1502 of the controller 150, and the controller 150 controls the load switch circuit 1551 through the switching control port 1502. The driving circuit 1550 may drive the load 17, and may include a thyristor. In some embodiments, the controller 150 may control the rotation speed of the motor 170, the heating of the heating assembly 171, and the like by controlling the driving circuit 1550. The controller 150 may control the load switch circuit 1551 to switch the connection between the driver circuit 1550 and the load 17.

In some embodiments, controller 150 controls electromagnet 140 to de-energize electronically controlled switch 18 after a delay of a set time from when load switch circuit 1551 and drive circuit 1550 de-energize load 17. In some embodiments, controller 150 controls electromagnet 140 to de-energize electronically controlled switch 18 after 5 seconds from when load switch circuit 1551 and drive circuit 1550 de-energize load 17. The load switch circuit 1551 and the driving circuit 1550 are controlled firstly to enable the motor 170 to be disconnected, due to the inertia effect, the motor 170 can continue to rotate after the power failure, before the cup cover assembly 13 is opened, the load switch circuit 1551 and the driving circuit 1550 are controlled firstly to enable the motor 170 to be disconnected, the motor 170 is guaranteed to stop working within the delay set time, at the moment, the electric control switch 18 is connected with the heating assembly 21, then the electromagnet 140 and the electric control switch 18 are controlled to be powered off, at the moment, the limiting rod 141 is separated from the limiting hole 142, and when the cup cover assembly 13 is opened, the cover opening safety is guaranteed.

In some embodiments, when the lid assembly 13 is closed, the controller 150 synchronously controls the electromagnet 140 and the electronic control switch 18 to be powered on through the switch control port 1500, and at this time, the limiting rod 141 is inserted into the limiting hole 142 through the magnetic action of the electromagnet 140, so that the lid assembly 13 is locked to the cup body assembly 12, and at the same time, the electronic control switch 18 is communicated with the motor 170 to start cooking.

The controller 150, the power supply circuit 151, the switch control circuit 152, and the load control circuit 155 may be disposed on a main control board (not shown) in the host 11 shown in fig. 1, and the main control board is electrically connected to a host coupler (not shown). The controller 150, the power supply circuit 151, the switch control circuit 152, and the load control circuit 155 are electrically connected to a host coupler (not shown).

Fig. 4 is a partial circuit diagram of the control circuit 15 of the food processor 10 shown in fig. 3. The food processor 10 comprises an electric control switch 18 electrically connected with a power supply 16 and a load 17, and the control circuit 15 is connected with the electric control switch 18 and controls the on-off state of the electric control switch 18 to control the on-off of the load 17. When the control circuit 15 controls the electric control switch 18 to be electrified, the electric control switch 18 is closed, and the load 17 can be electrified. When the control circuit 15 controls the electric control switch 18 to be powered off, the electric control switch 18 is switched off, and the load 17 is powered off. The electronically controlled switch 18 may act as a master switch for the circuit. In some embodiments, an electronically controlled switch 18 is provided to de-energize the load 17, improving safety.

In some embodiments, electronically controlled switch 18 is connected to the same port of controller 150 as electromagnet 140, and controller 150 controls electromagnet 140 to be de-energized while simultaneously controlling electronically controlled switch 18 to be de-energized. In some embodiments, electrically controlled switch 18 and electromagnet 140 are connected to the same port of controller 150, which ensures that electromagnet 140 is de-energized while electrically controlled switch 18 is de-energized, thereby ensuring that load 17 is de-energized before lid assembly 13 is opened, and improving safety.

In some embodiments, electronically controlled switch 18 is connected in parallel with electromagnet 140, switch control port 1500 is electrically connected to electromagnet 140 and electronically controlled switch 18 via switch control circuit 152, and controller 150 controls switch control circuit 152 via switch control port 1500 to control electromagnet 140 and electronically controlled switch 18. Controller 150 controls electromagnet 140 and electronically controlled switch 18 synchronously via switch control port 1500. When the cap assembly 13 is closed, the first contact 1531 is electrically connected to the second contact 1532, and the controller 150 controls the electrical control switch 18 to be simultaneously connected to the electromagnet 140. The controller 150 controls the electric control switch 18 and the electromagnet 140 to be disconnected at the same time, the load 17 is powered off, the limiting rod 141 is separated from the limiting hole 142, the cup cover assembly 13 can be opened, and the safety is high.

In some embodiments, the electronically controlled switch 18 may include a relay, which may be a single pole, single throw relay. The electrically controlled switch 18 is closed when the switch assembly 153 is connected to weak current, so that strong current can flow through, and thus the strong current is controlled by the weak current. Switch module 153 is electrified weak point, no matter whether bowl cover assembly 13 closes, switch module 153 that sets up on cup body assembly 12 can not bring danger to the user, reduces the potential safety hazard. The voltage of weak current is lower than that of strong current, for example, 12V or 9V weak current, and strong current is commercial power.

The coil of electrically controlled switch 18 is electrically connected to switch assembly 153, and the switch of electrically controlled switch 18 is electrically connected to power source 16 and load 17. When the cup cover assembly 13 is closed, the electrically connected first contact 1531 and second contact 1532 make the coil of the electrical control switch 18 conduct weak current, attract the switch of the electrical control switch 18, and connect the power supply line from the power supply 16 to the load 17, so that the strong current of the power supply 16 passes through.

In some embodiments, the coil of the electrically controlled switch 18 is connected in parallel with a freewheeling diode D105, and the negative pole of the freewheeling diode D105 is connected to one end of the coil of the electrically controlled switch 18 connected to the dc power supply terminal, and the positive pole is connected to the other end, so as to prevent abrupt voltage and current changes.

In some embodiments, switch activation module 154 is electrically coupled to switch assembly 153 when lid assembly 13 is closed. As shown in fig. 4, the switch triggering module 154 may include a first triggering pin 1541 electrically connected to the first contact 1531, a second triggering pin 1542 electrically connected to the second contact 1532, and a conductive member 1543 electrically connecting the first triggering pin 1541 and the second triggering pin 1542. When the cup lid assembly 13 is closed, the power circuit 151 is electrically connected between the dc power supply terminal and the ground through the switch assembly 153 and the switch triggering module 154. In some embodiments, conductive member 1543 shorts first trigger pin 1541 and second trigger pin 1542.

In other embodiments, conductive member 1543 may include a resistor connecting first trigger pin 1541 and second trigger pin 1542. The resistance value of the resistor needs to be selected to ensure that after the electromagnetic coil of the electronic control switch 18 is connected with the resistor in series, the current flowing through the electromagnetic coil is large enough to enable the electromagnetic coil to attract the switch of the electronic control switch 18, and the current needs to be not lower than the minimum rated current for closing the electronic control switch 18.

In the embodiment shown in fig. 4, the driver circuit 1550 may include a thyristor SCR 201. The thyristor SCR201 includes a control terminal G, a first terminal T1, and a second terminal T2. The control terminal G is connected to the driving control port 1501 of the controller 150 for receiving the driving control signal. The first terminal T1 is electrically connected to a power supply line (e.g., a 9V power supply line) that is electrically connected to the neutral line N, and thus the first terminal T1 is electrically connected to the neutral line N. The second terminal T2 is electrically connected to one end of the load 17. The other end of the load 17 is connected to the live line L via the power supply circuit 151. The controller 150 can control the on-off of the silicon controlled SCR201 to control the on-off of the load 17 and the neutral line N.

In some embodiments, the load switch circuit 1551 includes a switch RLY201 electrically connected to the driving circuit 1550 and at least two loads 17, the switch RLY201 is electrically connected to the switch control port 1502, and the controller 150 controls the switch RLY201 through the switch control port 1502 to operate, so that the driving circuit 1550 switches between at least two loads 17. For example, the driving circuit 1550 can switch between the motor 170 and the heating element 171 through the switch RLY201, so that a plurality of loads can be driven by using the same driving circuit 1550, peripheral circuit components can be effectively reduced, circuit connection is simplified, and cost is saved. In some embodiments, a load switch circuit 1551 is provided to further improve safety.

The changeover switch RLY201 includes a movable contact, a first stationary contact, and a second stationary contact. The movable contact may be electrically coupled to the drive circuit 1550, with a first stationary contact electrically coupled to one load (e.g., motor 170) and a second stationary contact electrically coupled to another load (e.g., heating assembly 171). The controller 150 controls the operation of the changeover switch RLY201 to switch the changeover switch RLY201 between two loads. The movable contact of the switch RLY201 can be connected to the second terminal T2 of the thyristor SCR201 of the drive circuit 1550. When change over switch RLY201 outage, the movable contact is connected with the second stationary contact electricity, makes drive circuit 1550 and heating element 171 electricity communicate, and when change over switch RLY201 circular telegram, the movable contact is connected with first stationary contact electricity, makes drive circuit 1550 and motor 170 electricity communicate.

In some embodiments, the switch RLY201 can comprise a single pole double throw relay. The controller 150 controls the energization or de-energization of the coil of the single pole double throw relay to switch the single pole double throw switch of the single pole double throw relay between the motor 170 and the heating assembly 171. The switching control port 1502 of the controller 150 is electrically connected to the coil of the switch RLY201, and can control the switching of the coil of the switch RLY201 to control the operation of the switch RLY 201.

In other embodiments, switch RLY201 can comprise a three-throw switch that switches between three states, drive circuit 1550 being coupled to motor 170, drive circuit 1550 being coupled to heating assembly 171, and floating. In some embodiments, switch RLY201 switches to heating element 171 when de-energized and to motor 170 when energized. In other embodiments, the controller 150 may similarly control other types of switching actions of the load switching circuit 1551.

In other embodiments, the load switch circuit 1551 may include a double-pole double-throw switch, which may connect the motor 170 and the corresponding driving circuit, and connect the heating element 171 and the corresponding driving circuit, and may simultaneously control the on/off of the motor 170 and the heating element 171 and the corresponding driving circuit, and the motor 170 and the heating element 171 may simultaneously operate.

In some embodiments, the switch control circuit 152 includes a transistor Q101, a base of the transistor Q101 is electrically connected to the switch control port 1500, a collector of the transistor Q101 is electrically connected to the electromagnet 140 and the electronically controlled switch 18, respectively, and an emitter of the transistor Q101 is electrically connected to the switch assembly; the controller controls the electromagnet 140 and the electrically controlled switch 18 by controlling the transistor Q101. The triode Q101 is adopted to control the electromagnet 140 and the electronic control switch 18, so that the synchronous control of the electromagnet 140 and the electronic control switch 18 is realized.

The switch control circuit 152 and the load control circuit 155 are electrically connected to a switch control port 1500 of the controller 150 via a transistor Q101. The controller 150 detects an electric signal of the switch control circuit 152 through the transistor Q101, and controls the load control circuit 155 through the transistor Q101. The triode Q101 is adopted, so that devices can be saved, the circuit can be simplified, and the cost can be saved.

In some embodiments, the transistor Q101 is an NPN transistor. In some embodiments, the switch control circuit 152 further includes a resistor R114, a resistor R115, and a diode D106, the resistor R115 is connected between the base and the emitter of the transistor Q101, the base of the transistor Q101 is connected to the cathode of the diode D106 through the resistor R115, and the anode of the diode D106 is connected to the switch control port 1500.

In some embodiments, when lid assembly 13 is closed, first contact 1531 is electrically connected to second contact 1532, controller 150 outputs a high voltage level to the base of transistor Q101 via switch control port 1500, transistor Q101 is turned on, and electromagnet 140 is electrically connected to electronically controlled switch 18. The controller 150 outputs a low level to the base of the transistor Q101 through the switch control port 1500, the transistor Q101 is turned off, and the electromagnet 140 and the electronic control switch 18 are powered off.

Fig. 5 is a circuit diagram of the power supply circuit 151 of the control circuit 15 of the food processor 10 shown in fig. 3. In some embodiments, power supply circuit 151 includes a switching circuit 1510 coupled to power supply 16. The conversion circuit 1510 is connected to the live line L and the neutral line N, converts a strong ac power into a weak dc power, and supplies power to the controller 150, the power supply circuit 151, the switch control circuit 152, and the load 17. In some embodiments, the output of switching circuit 1510 is connected to ground. In some embodiments, conversion circuit 1510 may include a switching power supply.

In some embodiments, the conversion circuitry 1510 may include non-isolated power circuitry 1511. The non-isolated power supply circuit 1511 may output a non-isolated power, for example, a 9V non-isolated power, and may supply power to the controller 150 and the switch RLY 201. In other embodiments, the conversion circuit 1510 may further include an isolated power supply circuit (not shown) that may output isolated power, such as 12V isolated power.

In some embodiments, power supply circuit 151 may also include an electromagnetic filtering circuit 1512. The front end of the electromagnetic filter circuit 1512 is electrically connected to the power supply 16, the back end of the electromagnetic filter circuit 1512 is electrically connected to the front end of the power supply 1510, and the electromagnetic filter circuit 1512 can be used for filtering electromagnetic interference signals. The power circuit 151 is electrically connected to the rear end of the electromagnetic filter circuit 1512, so that the voltage of the power circuit 151 is more stable. In some embodiments, the electromagnetic filter circuit 1512 may include a common mode filter circuit that may filter common mode electromagnetic interference signals. The electromagnetic filter circuit 1512 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 magnetic control assembly (14) comprises an electromagnet (140) and a limiting rod (141);

a cup body assembly (12);

the cup cover assembly (13) can be covered on the cup body assembly (12), one of the cup body assembly (12) and the cup cover assembly (13) is provided with a limiting hole (142), the other one of the cup cover assembly and the cup cover assembly is provided with the limiting rod (141), the limiting hole (142) is opposite to the limiting rod (141) when the cup cover assembly (13) is covered on the cup body assembly (12), and the position of the limiting rod (141) corresponds to the position of the electromagnet (140);

the control circuit (15) is electrically connected with the electromagnet (140) and controls the electromagnet (140) to be powered on or off;

when electro-magnet (140) circular telegram, gag lever post (141) are in insert under the magnetic force effect of electro-magnet (140) spacing hole (142), make bowl cover subassembly (13) spacing in on cup body component (12), when electro-magnet (140) outage, gag lever post (141) break away from spacing hole (142), relieve bowl cover subassembly (13) with the spacing of cup body component (12).

2. The food processor of claim 1, wherein the electromagnet (140) and the limit lever (141) are integrated into an electromagnetic valve; and/or

The magnetic control assembly (14) is arranged on the cup body assembly (12), the limiting hole (142) is arranged on the cup cover assembly (13), and when the electromagnet (140) is electrified, the electromagnet (140) pushes the limiting rod (141) to be inserted into the limiting hole (142) in the direction of the cup cover assembly (13).

3. The food processor of claim 1, wherein the electromagnet (140) and the limiting hole (142) are disposed on the cup body assembly (12), the limiting rod (141) is disposed on the cup cover assembly (13), and when the electromagnet (140) is energized, the electromagnet (140) attracts the limiting rod (141) to be inserted into the limiting hole (142).

4. The food processor of claim 1, wherein the cup body assembly (12) comprises a cup body (120) and a cup handle (121) arranged on one side of the cup body (120), the lid assembly (13) comprises a lid handle (130) butted with the cup handle (121), the electromagnet (140) is arranged in the cup handle (121), one of the cup handle (121) and the lid handle (130) is provided with the limiting hole (142), and the other is provided with the limiting rod (141); and/or

Bowl cover subassembly (13) cup body assembly (12) the rim of a cup circumference spin lid close in cup body assembly (12), spacing hole (142) are in extend on the vertical of cooking machine, gag lever post (141) are in stretch into or break away from on the vertical of cooking machine spacing hole (142).

5. The food processor according to claim 1, wherein the food processor comprises a load (17) and an electric control switch (18) electrically connecting a power supply (16) and the load (17), the control circuit (15) is connected with the electric control switch (18) to control the on-off state of the electric control switch (18) so as to control the on-off of the load (17).

6. The food processor of claim 5, wherein the control circuit (15) comprises a controller (150), the electrically controlled switch (18) and the electromagnet (140) are connected to the same port of the controller (150), and the controller (150) controls the electromagnet (140) to be powered off and simultaneously controls the electrically controlled switch (18) to be powered off.

7. The food processor of claim 6, wherein the electrically controlled switch (18) is connected in parallel with the electromagnet (140), the control circuit (15) comprises a switch control circuit (152), the controller (150) comprises a switch control port (1500), the switch control port (1500) is electrically connected with the electromagnet (140) and the electrically controlled switch (18) through the switch control circuit (152), and the controller (150) controls the switch control circuit (152) through the switch control port (1500) to control the electromagnet (140) and the electrically controlled switch (18).

8. The food processor of claim 7, comprising a switch assembly (153) arranged on the cup body assembly (12) and a switch trigger module (154) arranged on the cup cover assembly (13), wherein the switch assembly (153) is electrically connected with the switch control circuit (152);

when the cup cover assembly (13) is opened, the switch trigger module (154) is separated from the switch assembly (153), and the switch assembly (153) is in an open state, so that the switch control circuit (152) is powered off; when the cup cover assembly (13) is closed, the switch triggering module (154) triggers the switch assembly (153) to be in a closed state, so that the controller (150) can control the switch control circuit (152).

9. The food processor of claim 8, wherein the switch control circuit (152) comprises a transistor (Q101), a base of the transistor (Q101) is electrically connected to the switch control port (1500), a collector of the transistor (Q101) is electrically connected to the electromagnet (140) and the electrically controlled switch (18), respectively, and an emitter of the transistor (Q101) is electrically connected to the switch assembly (153); the controller (150) controls the electromagnet (140) and the electric control switch (18) by controlling the triode (Q101).

10. The food processor of claim 6, wherein the controller (150) comprises a drive control port (1501) and a switch control port (1502); the control circuit (15) includes a load control circuit (155) electrically connected to the load (17), the load control circuit (155) including:

a driving circuit (1550) electrically connected to the driving control port (1501), wherein the controller (150) controls the driving circuit (1550) through the driving control port (1501); and

a load switch circuit (1551) electrically connected to the driving circuit (1550) and the load (17) and electrically connected to the switching control port (1502) of the controller (150), the controller (150) controlling the load switch circuit (1551) through the switching control port (1502);

and the controller (150) controls the electromagnet (140) and the electric control switch (18) to be powered off after delaying for a set time when the load switch circuit (1551) and the driving circuit (1550) are controlled to power off the load (17).

Images