CN204392610U - Electricity cooking pot - Google Patents
Electricity cooking pot Download PDFInfo
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- CN204392610U CN204392610U CN201520073453.7U CN201520073453U CN204392610U CN 204392610 U CN204392610 U CN 204392610U CN 201520073453 U CN201520073453 U CN 201520073453U CN 204392610 U CN204392610 U CN 204392610U
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- power supply
- communication interface
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- cooking pot
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Abstract
The utility model discloses a kind of electric cooking pot, it comprises control mainboard, is separated the main frame of setting with control mainboard and is connected to the power supply communication interface arrangement controlled between mainboard and main frame, wherein, is provided with display controller and coil panel in main frame; Control master controller that mainboard is provided with resonant circuit, is connected with display controller by power supply communication interface arrangement, the controllable switch module for controlling to be formed between resonant circuit and coil panel resonant tank, the power module of powering to resonant circuit and master controller, controllable switch module is connected with coil panel by power supply communication interface arrangement, and controllable switch module is connected with master controller, wherein, time between master controller and display controller without communication information, main controller controls controllable switch module is in off-state.This electric cooking pot can control to make high voltage source interface no-output voltage when mainboard switches on power but is not connected with main frame at it, substantially increases fail safe.
Description
Technical field
The utility model relates to living electric apparatus technical field, particularly the electric cooking pot of one.
Background technology
In correlation technique, there is the technology that a kind of electromagnetic oven employing power mainboard is separated with heating main frame, coil panel and display control board is only had in main frame, that electromagnetic oven can be done like this is thinner, and the interface between power mainboard and main frame is direct current 5V power interface, communication interface, heater coil disc interface, wherein heater coil disc interface is high voltage interface, if when high voltage interface only connects power mainboard and does not connect heating main frame, high voltage interface bare metal part can export high-tension electricity, thus has certain potential safety hazard.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, an object of the present utility model is to propose a kind of electric cooking pot, and this electric cooking pot can control to make high voltage source interface no-output voltage when mainboard switches on power but is not connected with main frame at it, substantially increases fail safe.
According to the one electricity cooking pot that the utility model proposes, comprise and control mainboard, the main frame being separated setting with described control mainboard and the power supply communication interface arrangement be connected between described control mainboard and described main frame, wherein, display controller and coil panel is provided with in described main frame, described control mainboard is provided with resonant circuit, by the master controller that described power supply communication interface arrangement is connected with described display controller, for controlling the controllable switch module forming resonant tank between described resonant circuit and described coil panel, to the power module that described resonant circuit and described master controller are powered, described controllable switch module is connected with described coil panel by described power supply communication interface arrangement, and described controllable switch module is connected with described master controller, wherein, time between described master controller and described display controller without communication information, described in described main controller controls, controllable switch module is in off-state.
According to electric cooking pot of the present utility model, control mainboard is provided with the controllable switch module be connected between resonant circuit and power supply communication interface arrangement, and be in off-state to make high voltage source interface first power interface in power supply communication interface arrangement and second source interface no-output voltage when controlling mainboard and switching on power and be not connected with main frame by control controllable switch module, when avoiding high voltage source interface not connect main frame, bare metal part exports high-tension electricity, substantially increase fail safe, meet the needs of user.
Wherein, described power module comprises the first power supply unit and Switching Power Supply, the alternating current of input is converted to the first direct current to supply described resonant circuit by described first power supply unit, the alternating current of described input is converted to the second direct current to supply described master controller and described display controller by described Switching Power Supply, wherein, described first galvanic voltage is greater than described second galvanic voltage.
Particularly, described resonant circuit comprises: resonant capacitance, and one end of described resonant capacitance is connected with described controllable switch module with the first output of described first power supply unit respectively; IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor), the G pole of described IGBT is connected with described master controller, the C pole of described IGBT is connected with the other end of described resonant capacitance, ground connection after the E pole of described IGBT is connected with the second output of described first power supply unit.
Alternatively, described controllable switch module comprises: the first relay, the first end of described first relay breaker in middle is connected with one end of described resonant capacitance with the first output of described first power supply unit respectively, second end of described first relay breaker in middle is connected with one end of described coil panel by the first power interface in described power supply communication interface arrangement, 3rd end of described first relay breaker in middle is extremely connected with the C of described IGBT with the other end of described resonant capacitance respectively, 4th end of described first relay breaker in middle is connected with the other end of described coil panel by the second source interface in described power supply communication interface arrangement, one end of described first relay coil is connected with the power supply of predeterminated voltage, first triode, the base stage of described first triode is connected with described master controller, the grounded emitter of described first triode, and the collector electrode of described first triode is connected with the other end of described first relay coil.
Alternatively, described controllable switch module comprises: the second relay, the first end of described second relay breaker in middle is connected with one end of described resonant capacitance with the first output of described first power supply unit respectively, second end of described second relay breaker in middle is connected with one end of described coil panel by the second source interface in described power supply communication interface arrangement, the other end of described coil panel is extremely connected with the C of described IGBT with the other end of described resonant capacitance respectively by the first power interface in described power supply communication interface arrangement, one end of described second relay coil is connected with the power supply of predeterminated voltage, second triode, the base stage of described second triode is connected with described master controller, the grounded emitter of described second triode, and the collector electrode of described second triode is connected with the other end of described second relay coil.
Wherein, described first galvanic voltage is 310V, and described second galvanic voltage is 5V.
Further, described power supply communication interface arrangement also comprises the 3rd power interface, the first communication interface, the second communication interface and ground interface, wherein, first output of described Switching Power Supply is connected with described master controller, and the first output of described Switching Power Supply is also connected with described display controller by described 3rd power interface, be connected with described master controller after second output head grounding of described Switching Power Supply, and be also connected with described display controller by described ground interface after the second output head grounding of described Switching Power Supply; Also be connected with described second communication interface by described first communication interface between described master controller with described display controller.
Further, described control mainboard is also provided with analog sampling circuit.
Preferably, described electric cooking pot can be electromagnetic oven.
Accompanying drawing explanation
Fig. 1 is the block diagram of the electric cooking pot according to the utility model embodiment;
Fig. 2 is the circuit diagram of the electric cooking pot according to the utility model embodiment; And
Fig. 3 is the circuit diagram of the electric cooking pot according to another embodiment of the utility model.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The electric cooking pot proposed according to the utility model embodiment is described with reference to the accompanying drawings.
Fig. 1 is the block diagram of the electric cooking pot according to the utility model embodiment.As shown in Figure 1, this electric cooking pot comprises control mainboard 10, is separated the main frame 20 of setting with control mainboard and is connected to the power supply communication interface arrangement 30 controlled between mainboard 10 and main frame 20.Wherein, electric cooking pot can be electromagnetic oven.
As shown in Figure 1, display controller 201 and coil panel L is provided with in main frame 20, control mainboard 10 and be provided with resonant circuit 101, by the master controller 102 that power supply communication interface arrangement 30 is connected with display controller 201, for controlling the controllable switch module 103 forming resonant tank between resonant circuit 101 and coil panel L, to the power module 104 that resonant circuit 101 and master controller 102 are powered, controllable switch module 103 is connected with coil panel L by power supply communication interface arrangement 30, and controllable switch module 103 is connected with master controller 102, wherein, time between master controller 102 and display controller 201 without communication information, master controller 102 controls controllable switch module 103 and is in off-state, make high voltage source interface i.e. the first power interface Y1 in power supply communication interface arrangement 30 and second source interface Y2 no-output voltage, play safeguard protection effect.
That is, when controlling mainboard 10 by being communicated with between power supply communication interface arrangement 30 with main frame 20, master controller 102 such as MCU1 and display controller 201 such as set up communications protocol between MCU2, therefore when control mainboard 10 connects AC power and 220V alternating current is input to control mainboard 10, if do not have communications protocol to be communicated with between MCU1 and MCU2 in 1 second, then illustrate that controlling mainboard 10 is not connected with main frame 20, such as the first power interface Y1 and second source interface Y2 is outside exposed for high voltage source interface in power supply communication interface arrangement 30, now master controller 102 controls controllable switch module 103 and is in off-state, to make high voltage source interface such as the first power interface Y1 and second source interface Y2 Non voltage output in power supply communication interface arrangement 30, avoid the danger that user gets an electric shock, thus substantially increase the fail safe of electric cooking pot.And when controlling mainboard 10 and to be connected with main frame 20 by power supply communication interface arrangement 30 and connecting correct by the communications protocol identification power supply communication interface arrangement 30 between MCU1 and MCU2, now master controller 102 controls controllable switch module 103 and is in on-state, form resonant tank between resonant circuit 101 and coil panel L, electric cooking pot such as electromagnetic oven normally works.
According to an embodiment of the present utility model, as shown in Figure 1, power module 104 comprises the first power supply unit 1041 and Switching Power Supply 1042, first power supply unit 1041 converts the alternating current of input such as 220V alternating current to first direct current to supply resonant circuit 101, Switching Power Supply 1042 converts the alternating current of input such as 220V alternating current to second direct current to supply master controller 102 and display controller 201, wherein, the first galvanic voltage is greater than the second galvanic voltage.
Particularly, the first galvanic voltage can be 310V, and the second galvanic voltage can be 5V.
In embodiment of the present utility model, as shown in Figure 1, Figure 2 or shown in Fig. 3, power supply communication interface arrangement 20 comprises the first power interface Y1, second source interface Y2, the 3rd power interface such as+5V power interface, the first communication interface TX, the second communication interface RX and ground interface GND.Wherein, first power interface Y1 and second source interface Y2 is used for the two ends of connecting coil dish L, first output of Switching Power Supply 1042 is connected with master controller 102, and the first output of Switching Power Supply 1042 is also connected with display controller 201 by the 3rd power interface such as+5V power interface, be connected with master controller 102 after second output head grounding of Switching Power Supply 1042, and be also connected by the ground pin that ground interface GND is on display controller 201 corresponding after the second output head grounding of Switching Power Supply 1042; Also be connected with the second communication interface RX by the first communication interface TX between master controller 102 with display controller 201.
Particularly, according to an embodiment of the present utility model, as shown in Figure 2 or Figure 3, first power supply unit 1041 comprises rectifier bridge stack BD1, electric capacity C1, choke L0 and filter capacitor C0, resonant circuit 101 comprises resonant capacitance C2 and IGBT, wherein, one end of resonant capacitance C2 is connected with controllable switch module 103 with the first output of the first power supply unit 1042 respectively, the G pole of IGBT is connected with master controller 102, the C pole of IGBT is connected with the other end of resonant capacitance C2, ground connection after the E pole of IGBT is connected with the second output of the first power supply unit 1042.
According to an embodiment of the present utility model, as shown in Figure 2, controllable switch module 103 comprises: the first relay J 1 and the first triode Q1.Wherein, the first end of the first relay J 1 breaker in middle is connected with one end of resonant capacitance C2 with the first output of the first power supply unit 1041 respectively, second end of the first relay J 1 breaker in middle is connected with one end of coil panel L by the first power interface Y1 in power supply communication interface arrangement 30, 3rd end of the first relay J 1 breaker in middle is extremely connected with the C of IGBT with the other end of resonant capacitance C2 respectively, 4th end of the first relay J 1 breaker in middle is connected with the other end of coil panel L by the second source interface Y2 in power supply communication interface arrangement 30, one end of first relay J 1 coil is connected with the power supply of predeterminated voltage such as+5V, the power supply of+5V can be provided by Switching Power Supply 1042, the base stage of the first triode Q1 is connected with master controller 102, the grounded emitter of the first triode Q1, and the collector electrode of the first triode Q1 is connected with the other end of the first relay J 1 coil.
According to another embodiment of the present utility model, as shown in Figure 3, controllable switch module 103 comprises: the second relay J 2 and the second triode Q2.Wherein, the first end of the second relay J 2 breaker in middle is connected with one end of resonant capacitance C2 with the first output of the first power supply unit 1041 respectively, second end of the second relay J 2 breaker in middle is connected with one end of coil panel L by the second source interface Y2 in power supply communication interface arrangement 30, the other end of coil panel L is extremely connected with the C of IGBT with the other end of resonant capacitance C2 respectively by the first power interface Y1 in power supply communication interface arrangement 30, one end of second relay J 2 coil is connected with the power supply of predeterminated voltage such as+5V, the power supply of+5V can be provided by Switching Power Supply 1042, the base stage of the second triode Q2 is connected with master controller 102, the grounded emitter of the second triode Q2, and the collector electrode of the second triode Q2 is connected with the other end of the second relay J 2 coil.
Wherein, the first relay J 1 is double-pole single-throw (D.P.S.T.) relay, and the second relay J 2 is single-pole single-throw(SPST relay.
Therefore say; in embodiment of the present utility model; when controlling mainboard 10 and connecting 220V alternating current; if time between MCU1 and MCU2 without communication information; illustrate that controlling mainboard 10 is not connected with main frame 20; be in off-state by the relay controlled in controllable switch module 103, thus make the first power interface Y1 and second source interface Y2 Non voltage output, play the effect of safeguard protection.
To sum up, when controlling mainboard 10 and connecting 220V alternating current, 310V voltage supply resonant circuit 101 is exported by the rectifier bridge stack BD1 in the first power supply unit 1041, Switching Power Supply 1042 exports 5V voltage and powers to MCU1 and MCU2, in 1 second, MCU1 and MCU2 is by UART (Universal Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting transmitter) interface and RX interface and TX interface carries out communication, and when MCU1 and MCU2 completes communications protocol, illustrate that controlling mainboard 10 is normally connected to main frame 20, the relay that MCU1 controls in controllable switch module 103 is in closure state, electromagnetic oven starts normal work, if control mainboard 10 be not connected to main frame 20, then MCU1 and MCU2 cannot carry out the transmission of Handshake Protocol information, the relay that MCU1 controls in controllable switch module 103 remains open state, first power interface Y1 and second source interface Y2 Non voltage output, thus can AC power be connected at control mainboard but when not being connected with main frame, make high voltage source interface no-output voltage, ensure user power utilization safety.
In embodiment of the present utility model, as shown in Figure 2 or Figure 3, control mainboard 10 is also provided with analog sampling circuit 105, in order to operating voltage, the operating current of sampling during the work of electric cooking pot, and the operating voltage sampled, operating current are sent to master controller 102 such as MCU1, electric cooking pot is controlled according to the operating voltage sampled, operating current to make master controller 102.
According to the electric cooking pot of the utility model embodiment, control mainboard is provided with the controllable switch module be connected between resonant circuit and power supply communication interface arrangement, and be in off-state to make high voltage source interface first power interface in power supply communication interface arrangement and second source interface no-output voltage when controlling mainboard and switching on power and be not connected with main frame by control controllable switch module, when avoiding high voltage source interface not connect main frame, bare metal part exports high-tension electricity, substantially increase fail safe, meet the needs of user.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (9)
1. an electric cooking pot, is characterized in that, comprises and controls mainboard, the main frame being separated setting with described control mainboard and the power supply communication interface arrangement be connected between described control mainboard and described main frame, wherein,
Display controller and coil panel is provided with in described main frame;
Described control mainboard is provided with resonant circuit, by the master controller that described power supply communication interface arrangement is connected with described display controller, for controlling the controllable switch module forming resonant tank between described resonant circuit and described coil panel, to the power module that described resonant circuit and described master controller are powered, described controllable switch module is connected with described coil panel by described power supply communication interface arrangement, and described controllable switch module is connected with described master controller, wherein, time between described master controller and described display controller without communication information, described in described main controller controls, controllable switch module is in off-state.
2. electric cooking pot as claimed in claim 1, it is characterized in that, described power module comprises the first power supply unit and Switching Power Supply, the alternating current of input is converted to the first direct current to supply described resonant circuit by described first power supply unit, the alternating current of described input is converted to the second direct current to supply described master controller and described display controller by described Switching Power Supply, wherein, described first galvanic voltage is greater than described second galvanic voltage.
3. electric cooking pot as claimed in claim 2, is characterized in that, described resonant circuit comprises:
Resonant capacitance, one end of described resonant capacitance is connected with described controllable switch module with the first output of described first power supply unit respectively;
The G pole of IGBT, described IGBT is connected with described master controller, and the C pole of described IGBT is connected with the other end of described resonant capacitance, ground connection after the E pole of described IGBT is connected with the second output of described first power supply unit.
4. electric cooking pot as claimed in claim 3, is characterized in that, described controllable switch module comprises:
First relay, the first end of described first relay breaker in middle is connected with one end of described resonant capacitance with the first output of described first power supply unit respectively, second end of described first relay breaker in middle is connected with one end of described coil panel by the first power interface in described power supply communication interface arrangement, 3rd end of described first relay breaker in middle is extremely connected with the C of described IGBT with the other end of described resonant capacitance respectively, 4th end of described first relay breaker in middle is connected with the other end of described coil panel by the second source interface in described power supply communication interface arrangement, one end of described first relay coil is connected with the power supply of predeterminated voltage,
First triode, the base stage of described first triode is connected with described master controller, the grounded emitter of described first triode, and the collector electrode of described first triode is connected with the other end of described first relay coil.
5. electric cooking pot as claimed in claim 3, is characterized in that, described controllable switch module comprises:
Second relay, the first end of described second relay breaker in middle is connected with one end of described resonant capacitance with the first output of described first power supply unit respectively, second end of described second relay breaker in middle is connected with one end of described coil panel by the second source interface in described power supply communication interface arrangement, the other end of described coil panel is extremely connected with the C of described IGBT with the other end of described resonant capacitance respectively by the first power interface in described power supply communication interface arrangement, and one end of described second relay coil is connected with the power supply of predeterminated voltage;
Second triode, the base stage of described second triode is connected with described master controller, the grounded emitter of described second triode, and the collector electrode of described second triode is connected with the other end of described second relay coil.
6. electric cooking pot as claimed in claim 2, is characterized in that, described first galvanic voltage is 310V, and described second galvanic voltage is 5V.
7. electric cooking pot as claimed in claim 2, is characterized in that, described power supply communication interface arrangement also comprises the 3rd power interface, the first communication interface, the second communication interface and ground interface, wherein,
First output of described Switching Power Supply is connected with described master controller, and the first output of described Switching Power Supply is also connected with described display controller by described 3rd power interface, be connected with described master controller after second output head grounding of described Switching Power Supply, and be also connected with described display controller by described ground interface after the second output head grounding of described Switching Power Supply;
Also be connected with described second communication interface by described first communication interface between described master controller with described display controller.
8. the electric cooking pot according to any one of claim 1-7, is characterized in that, described control mainboard is also provided with analog sampling circuit.
9. electric cooking pot as claimed in claim 1, is characterized in that, described electric cooking pot is electromagnetic oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520073453.7U CN204392610U (en) | 2015-02-02 | 2015-02-02 | Electricity cooking pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520073453.7U CN204392610U (en) | 2015-02-02 | 2015-02-02 | Electricity cooking pot |
Publications (1)
| Publication Number | Publication Date |
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| CN204392610U true CN204392610U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520073453.7U Active CN204392610U (en) | 2015-02-02 | 2015-02-02 | Electricity cooking pot |
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| Country | Link |
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| CN (1) | CN204392610U (en) |
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2015
- 2015-02-02 CN CN201520073453.7U patent/CN204392610U/en active Active
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