CN208596296U - Food processor working circuit and food processor - Google Patents

Abstract

The application provides a cooking machine working circuit and cooking machine. The food processor working circuit comprises a switching power supply, a control chip and a peripheral function circuit. The control chip is electrically connected with the switching power supply, comprises a control port and is integrated with a driving module electrically connected with the control port. The peripheral function circuit is electrically connected with the control port of the control chip and is electrically connected with the driving module through the control port, and the control chip drives the peripheral function circuit through the driving module.

Description

Cooking machine operating circuit and cooking machine

Technical field

This application involves small household appliances field more particularly to a kind of cooking machine operating circuits and cooking machine.

Background technique

With the increasingly raising of people's living standard, occur many different types of cooking machines in the market.Cooking machine Function mainly may include, but be not limited to, and beats soya-bean milk, squeezed juice, cooks rice paste, meat cutter, water ice, coffee processed and/or allotment face The functions such as film.Cooking machine may include the machine of the crushing, stirrings food materials such as soy bean milk making machine, blender or broken wall cooking machine.

The peripheral function circuit of existing cooking machine operating circuit is connected to control chip by driving circuits such as triodes, control Coremaking piece drives peripheral function circuit by driving circuits such as triodes, and such circuit components are more, and circuit is more complicated.

Utility model content

The application's is designed to provide a kind of simple cooking machine operating circuit of circuit and cooking machine.

The one aspect of the application provides a kind of cooking machine operating circuit, comprising: Switching Power Supply；Chip is controlled, and it is described Switching Power Supply electrical connection, the control chip includes control port, and is integrated with the driving mould being electrically connected with the control port Block；And peripheral function circuit, with it is described control chip the control port be electrically connected, and by the control port with it is described Drive module electrical connection, the control chip drive the peripheral function circuit by the drive module.

Further, the peripheral function circuit includes driving circuit, and the driving circuit includes and the control port The silicon-controlled device of electrical connection, the control chip drive the silicon-controlled device by the drive module.

Further, the driving circuit includes the relay being electrically connected with the silicon-controlled device, the relay with The control port electrical connection, the control chip drive the relay by the drive module.

Further, the relay includes single-pole double-throw relay, is electrically connected with motor and heating dish component.

Further, the peripheral function circuit includes display circuit, and the drive module of the control chip includes Current limliting module, the current limliting module are electrically connected by the control port with the display circuit, and the display circuit is driven.

Further, the display circuit includes at least one of charactron and LED light.

Further, the peripheral function circuit includes touch controlled key, and the touch controlled key is electrically connected with the control chip It connects.

Further, the control chip includes the power end being electrically connected with the Switching Power Supply, and the Switching Power Supply is logical The power end is crossed to power to the control chip.

Further, the control chip includes direct-flow input end mouth and direct current output port, the direct-flow input end mouth Be electrically connected with the Switching Power Supply, receive the first direct current that Switching Power Supply conversion obtains, the direct current output port with The peripheral function circuit electrical connection, the control chip carry out transformation to first direct current and are converted to the second direct current, It is exported by the direct current output port to the peripheral function circuit.

Further aspect of the application provides a kind of cooking machine, comprising: cooking machine operating circuit；Host；And stirring cup group Part is removably installed in the host.

The control integrated chip that the application manages machine operating circuit has drive module, can drive peripheral function circuit, so The element such as triode, resistance of driving peripheral function circuit can be saved, to simplify circuit.

Detailed description of the invention

Fig. 1 show the stereoscopic schematic diagram of one embodiment of the application cooking machine；

Fig. 2 show the functional block diagram of one embodiment of the application cooking machine operating circuit；

Fig. 3 show the circuit diagram of one embodiment of the application cooking machine operating circuit.

Specific embodiment

Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended The example of the consistent device of some aspects be described in detail in claims, the application.

It is only to be not intended to be limiting the application merely for for the purpose of describing particular embodiments in term used in this application. Unless otherwise defined, technical term or scientific term used in this application, which are should be in fields of the present invention, has general skill The ordinary meaning that the personage of energy is understood." first " " second " and class used in present specification and claims As word be not offered as any sequence, quantity or importance, and be used only to distinguish different component parts.Equally, " one It is a " or the similar word such as " one " do not indicate that quantity limits yet, but indicate that there are at least one." multiple " or " several " table Show two and two or more.Unless otherwise noted, the similar word such as " front ", " rear portion ", " lower part " and/or " top " is only Convenient for explanation, and it is not limited to a position or a kind of spatial orientation.The similar word such as " comprising " or "comprising" means It appears in element or object before " comprising " or "comprising" and covers and appear in " comprising " or "comprising" presented hereinafter Element or object and its equivalent, it is not excluded that other elements or object.The similar word such as " connection " or " connected " is simultaneously Non-limiting and may include electrical connection in physics or mechanical connection, either direct or indirectly.? Present specification and the "an" of singular used in the attached claims, " described " and "the" be also intended to including Most forms, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to It and include that one or more associated any or all of project listed may combine.

The cooking machine operating circuit of the embodiment of the present application includes Switching Power Supply, control chip and peripheral function circuit.Control Chip is electrically connected with Switching Power Supply, and control chip includes control port, and is integrated with the drive module being electrically connected with control port. Peripheral function circuit is electrically connected with the control port of control chip, and is electrically connected by control port with drive module, and core is controlled Piece drives peripheral function circuit by drive module.The control integrated chip of the application cooking machine operating circuit has drive module, Peripheral function circuit can be driven, the element such as triode, resistance of driving peripheral function circuit can be saved, it so can be with Simplify circuit.

Fig. 1 show the stereoscopic schematic diagram of one embodiment of cooking machine 10.Cooking machine 10 includes host 11, stirring cup group Part 12 and cup lid component 13.In the illustrated embodiment, host 11 is base.Host 11 includes motor (not shown).

Stirring cup assembly 12 is removably installed in host 11.Food materials can be held in stirring cup assembly 12, are carried out in it Beat, heat etc..It is equipped with mixing blade assembly (not shown) in stirring cup assembly 12, motor can drive mixing blade assembly to turn It is dynamic, to beat food materials.

Cup lid component 13 is removably covered on stirring cup assembly 12.Cup lid component 13 can be with when cooking machine 10 works It is covered on the rim of a cup of stirring cup assembly 12, is docked with rim of a cup sealing.

Fig. 2 show the functional block diagram of one embodiment of cooking machine operating circuit 20.Cooking machine 10 may include cooking machine Operating circuit 20 can be located in host 11.In one embodiment, settable circuit board in host 11, cooking machine work electricity Road 20 may be disposed on the circuit board in host 11.In another embodiment, the partial circuit of cooking machine operating circuit 20 is set The circuit board being placed in host 11, partial circuit are set on the circuit board in the other assemblies of cooking machine 10, such as part electricity Road can be set on the circuit board in cup lid component.

Cooking machine operating circuit 20 includes Switching Power Supply 21, control chip 22 and peripheral function circuit 23.Switching Power Supply 21 Convert alternating current to the first direct current.Switching Power Supply 21 is connected to AC power source, such as alternating current.Switching Power Supply 21 can be by city Electricity is converted to the first direct current, such as the direct current of 12V or 9V voltage.

Control chip 22 is electrically connected with Switching Power Supply 21, and control chip 22 includes control port Pc, and is integrated with and controls The drive module 221 of port Pc electrical connection.Peripheral function circuit 23 is electrically connected with the control port Pc of control chip 22, and is passed through Control port Pc is electrically connected with drive module 221.It controls chip 22 and peripheral function circuit 23 is driven by drive module 221.Control The control port Pc of coremaking piece 22 has driving capability, can control and drives peripheral function circuit 23.Drive can so be saved The element such as triode, resistance of dynamic peripheral function circuit, so as to simplify circuit.It is further below in conjunction with circuit diagram Explanation.

In some embodiments, the first direct current progress transformation that control chip 22 export Switching Power Supply 21 is converted to the Two direct currents.DC-DC (DC-DC) conversion can be carried out to the first direct current by controlling chip 22, obtain the second direct current.? In one embodiment, control chip 22 is integrated with DC-DC conversion module, carries out DC-DC conversion.In another embodiment, it controls Coremaking piece 22 is integrated with other modules that may be implemented to be converted to the first direct current into the second direct current.In one embodiment, The voltage of second direct current is lower than the voltage of the first direct current, the voltage of the second direct current such as 5V.

Controlling chip 22 includes direct-flow input end mouth Vin and direct current output port Vout.Direct-flow input end mouth Vin and switch Power supply 21 is electrically connected, and receives the first direct current.Direct current output port Vout exports the second direct current.Control chip 22 passes through direct current Input terminal Vin receives the first direct current that Switching Power Supply 21 exports, and the first direct current is converted to the second direct current, passes through direct current Output end vo ut exports the second direct current.Controlling chip 22 may include one or more control port Pc.Multiple control ports Pc can be controlled separately different peripheral function circuits 23.Controlling chip 22 may include single-chip microcontroller, for example, model The single-chip microcontroller of SH79F9603, BS86DH12C or SH79F088.

Peripheral function circuit 23 is electrically connected with the control port Pc and direct current output port Vout of control chip 22.Control core Piece 22 controls peripheral function circuit 23 by control port Pc, and provides the second direct current by direct current output port Vout and supply electricity to outside Enclose functional circuit 23.The one or more functions of the work of cooking machine 10 may be implemented in peripheral function circuit 23, for example, peripheral function Circuit 23 can connect to be loaded such as heating dish component or motor, and the functions such as heating or stirring are realized in driving load；Peripheral function Energy circuit 23 can connect the detection sensor part such as anti-overflow probe or temperature sensor, receive the letter of detection sensor part Number, and generate corresponding detection signal.In some embodiments, peripheral function circuit 23 may include relay circuit, driving At least one of circuit and detection circuit.

Cooking machine operating circuit 20 controls peripheral function circuit 23 by control chip 22, and the first direct current is converted to Second direct current supplies electricity to peripheral function circuit 23, and voltage transformation module is integrated in control chip 22, can be with by control chip 22 It realizes control and voltage conversion, saves the voltage conversion chip independently of control chip, so can simplify circuit, and can drop Low cost.

In some embodiments, control chip 22 includes detection port Pd, is electrically connected with peripheral function circuit 23, is received outer Enclose the detection signal of functional circuit 23.Peripheral function circuit 23 may include detection circuit, control 22 receiving test circuit of chip Electric signal.In some embodiments, detection circuit includes zero cross detection circuit, input voltage detection circuit, temperature detection electricity At least one of road, velocity checking circuits, anti-overflow detection circuit and power-fail detection circuit.Controlling chip 22 may include one Or multiple detection port Pd.Multiple detection port Pd can detecte the detection signal of different detection circuits.In some embodiments In, control port and detection port Pd can be the same port for controlling chip 22.Controlling chip 22 may include input/output Mouthful, there is input state and detecting state, can control the state of I/O port, to control I/O port as control Port or detection port Pd.

In some embodiments, control chip 22 includes power port VDD, 21 electric connection of power supply port VDD of Switching Power Supply With peripheral function circuit 23, the first direct current is supplied to control chip 22 and peripheral function circuit 23.Switching Power Supply 21 will be handed over First direct current needed for galvanic electricity is converted to control chip 22 is powered to control chip 22, guarantees that control chip 22 can work. It is powered by Switching Power Supply 21 directly to control chip 22, export Switching Power Supply 21 without passing through voltage conversion chip first Control chip 22 is given to power after direct current transformation, such circuit is simpler, and at low cost.Switching Power Supply 21 can also be to periphery Functional circuit 23 is powered.The partial circuit of peripheral function circuit 23 need to control the second direct current of the output of chip 22, partial circuit The first direct current for needing Switching Power Supply 21 to export.

Fig. 3 show the circuit diagram of one embodiment of cooking machine operating circuit 20.In the embodiment shown in fig. 3, it opens The voltage for the first direct current that powered-down source 21 exports is 9V, and the first direct current (can be drawn by controlling the power port of chip 22 Foot 28) it is supplied to control chip 22, and it is supplied to the partial circuit of peripheral function circuit 23.

Peripheral function circuit 23 includes driving circuit 231, and driving circuit 231 includes being electrically connected with control port (pin 1) Silicon-controlled device SCR201, control chip 22 by drive module 221 drive silicon-controlled device SCR201.Silicon-controlled device One end of SCR201 is electrically connected to Switching Power Supply 31, receives the first direct current.Controlling chip 22 has driving capability, can drive Silicon-controlled device SCR201 can save the triode and related resistors of driving silicon-controlled device SCR201, and such circuit is simple, It is at low cost.

In the illustrated embodiment, driving circuit 231 includes the relay RLY401 being electrically connected with silicon-controlled device SCR201, Relay RLY401 is electrically connected with control port (pin 2), and control chip 22 drives relay by drive module 221 RLY401.The triode and related resistors of driving relay RLY401 can be so saved, so that circuit components are reduced, circuit Simplify.Relay RLY401 and silicon-controlled device SCR201 is separately connected the different control ports of control chip 22.Switch electricity The first direct current that source 21 exports supplies electricity to relay RLY401 power supply.21 electricity of one end and Switching Power Supply of the coil of relay RLY401 Connection, receives the first direct current, and the other end is electrically connected with control port.

In the illustrated embodiment, relay RLY401 includes single-pole double-throw relay, with motor (not shown) and heating dish Component electrical connection (not shown).The movable contact of the single-pole double-throw switch (SPDT) of relay RLY401 is connected to silicon-controlled device SCR201, It is electrically connected by silicon-controlled device SCR201 with Switching Power Supply 21, receives the first direct current.Control chip 22 controls silicon-controlled device Part SCR201, so that the movable contact for controlling the single-pole double-throw switch (SPDT) of relay RLY401 is connected to or disconnects with Switching Power Supply 21.After One stationary contact of the single-pole double-throw switch (SPDT) of electric appliance RLY401 is connected to motor, and can connect electricity by motor-drive circuit 2311 Machine.Another stationary contact is electrically connected with heating dish component.It controls 22 control coil of chip to be powered or power off, makes relay RLY401 Single-pole double-throw switch (SPDT) switch between motor and heating dish component.When heating dish component heats, motor stops working, not to food Material is beaten.When motor works, food materials are beaten, food materials are not heated at this time, heating dish component does not work.

In the illustrated embodiment, peripheral function circuit 23 includes buzzer drive circuit 233, the control with control chip 22 Port (pin 3) electrical connection.The buzzer BZ1 that the first direct current that Switching Power Supply 21 exports supplies electricity to buzzer drive circuit 233 is supplied Electricity.

In some embodiments, peripheral function circuit 23 includes display circuit 232, controls the drive module 221 of chip 22 Including current limliting module (not shown), current limliting module is electrically connected by control port with display circuit 232, drives display circuit 232. Display circuit 232 includes at least one of charactron DS1 and LED light L910, L902, L908, L909, L905.Current limliting module It may include current-limiting resistance, current limliting module is integrated in control chip 22, and control chip 22 can directly drive display circuit 232, it is convenient to omit the current-limiting resistance connecting with display circuit 232 so simplifies circuit.

In some embodiments, peripheral function circuit 23 includes touch controlled key TK1-TK4, touch controlled key TK1-TK4 and control Coremaking piece 22 is electrically connected.Touch controlled key TK1-TK4 can receive the operation of user, generates trigger signal and gives control chip 22.

In some embodiments, peripheral function circuit 23 includes detection circuit, and control chip 22 includes detection port, control The direct current output port (pin 26) and detection port of chip 22 are electrically connected to detection circuit, and control chip 22 passes through direct current output Port provides the second direct current and supplies electricity to detection circuit, and passes through the detection signal of detection port receiving test circuit.

In the illustrated embodiment, detection circuit includes zero cross detection circuit 234, is electrically connected with Switching Power Supply 21, and detection is handed over The zero crossing of galvanic electricity.Zero cross detection circuit 234 is electrically connected with the detection port (pin 4) of control chip 22, and zero passage detection is believed Number it is supplied to control chip 22.

Detection circuit includes input voltage detection circuit 235, is electrically connected with Switching Power Supply 21, and input voltage is detected.Input Voltage detecting circuit 235 is electrically connected with the detection port (pin 11) of control chip 22, and input voltage measurement signal is supplied to Control chip 22.

Detection circuit includes temperature sensing circuit 236, the test side with temperature sensor (not shown) and control chip 22 Mouth (pin 9) electrical connection, detects the signal of temperature sensor, and generates corresponding temperature detection signal and give control chip 22.Temperature Degree sensor can be installed on heating dish component, temperature sensor such as NTC.Control direct current output port and the temperature of chip 22 It spends detection circuit 236 to be electrically connected, the second direct current is provided and supplies electricity to temperature sensing circuit.

Detection circuit includes power-fail detection circuit 237, detection port (pin 9) and DC output end with control chip 22 Mouth electrical connection, receives the second direct current.The second direct current is 5V direct current in illustrated embodiment.Power-fail detection circuit 237 is When two direct current power down, generates detection of power loss signal and give control chip 22.

In some embodiments, one or more circuits in above-mentioned driving circuit and detection circuit can be omitted, or It may include other driving circuits, such as vacuum pump driving circuit and/or detection circuit, such as motor speed detection circuit.

The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the application protection.

Claims (10)

1. a kind of cooking machine operating circuit (20), it is characterised in that: comprising:

Switching Power Supply (21)；

It controlling chip (22), is electrically connected with the Switching Power Supply (21), the control chip (22) includes control port (Pc), and It is integrated with the drive module (221) being electrically connected with the control port (Pc)；And

Peripheral function circuit (23) is electrically connected with the control port (Pc) of control chip (22), and passes through the control Port (Pc) processed is electrically connected with the drive module (221), and the control chip (22) is driven by the drive module (221) The peripheral function circuit (23).

2. cooking machine operating circuit (20) as described in claim 1, it is characterised in that: the peripheral function circuit (23) includes Driving circuit (231), the driving circuit (231) include the silicon-controlled device being electrically connected with the control port (Pc) (SCR201), the control chip (22) drives the silicon-controlled device (SCR201) by the drive module (221).

3. cooking machine operating circuit (20) as claimed in claim 2, it is characterised in that: the driving circuit (231) include with The relay (RLY401) of silicon-controlled device (SCR201) electrical connection, the relay (RLY401) and the control port (Pc) it is electrically connected, the control chip (22) drives the relay (RLY401) by the drive module (221).

4. cooking machine operating circuit (20) as claimed in claim 3, it is characterised in that: the relay (RLY401) includes single Dpdt double-pole double-throw (DPDT) relay is electrically connected with motor and heating dish component.

5. cooking machine operating circuit (20) as described in claim 1, it is characterised in that: the peripheral function circuit (23) includes The drive module (221) of display circuit (232), control chip (22) includes current limliting module, and the current limliting module is logical It crosses the control port (Pc) to be electrically connected with the display circuit (232), drives the display circuit (232).

6. cooking machine operating circuit (20) as claimed in claim 5, it is characterised in that: the display circuit (232) includes number Code pipe at least one of (DS1) and LED light (L910, L902, L908, L909, L905).

7. cooking machine operating circuit (20) as described in claim 1, it is characterised in that: the peripheral function circuit (23) includes Touch controlled key (TK1-TK4), the touch controlled key (TK1-TK4) are electrically connected with the control chip (22).

8. cooking machine operating circuit (20) as described in claim 1, it is characterised in that: the control chip (22) includes and institute The power end (VDD) of Switching Power Supply (21) electrical connection is stated, the Switching Power Supply (21) gives the control by the power end (VDD) Coremaking piece (22) power supply.

9. cooking machine operating circuit (20) as described in claim 1, it is characterised in that: the control chip (22) includes direct current Input port (Vin) and direct current output port (Vout), the direct-flow input end mouth (Vin) are electrically connected with the Switching Power Supply (21) It connects, receives the first direct current that the Switching Power Supply (21) conversion obtains, the direct current output port (Vout) and the periphery Functional circuit (23) electrical connection, the control chip (22) carry out transformation to first direct current and are converted to the second direct current, It is exported by the direct current output port (Vout) to the peripheral function circuit (23).

10. a kind of cooking machine, it is characterised in that: comprising:

Such as the described in any item cooking machine operating circuits (20) of claim 1-9；

Host (11)；And

It stirs cup assembly (12), is removably installed in the host (11).