CN204534702U - The heating control apparatus of electricity cooking pot and electric cooking pot - Google Patents
The heating control apparatus of electricity cooking pot and electric cooking pot Download PDFInfo
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- CN204534702U CN204534702U CN201520109240.5U CN201520109240U CN204534702U CN 204534702 U CN204534702 U CN 204534702U CN 201520109240 U CN201520109240 U CN 201520109240U CN 204534702 U CN204534702 U CN 204534702U
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Abstract
The utility model discloses the heating control apparatus of a kind of electric cooking pot and electric cooking pot, heating control apparatus comprises: M resonance modules, each resonance modules includes resonant capacitance, N number of coil panel assembly and selector switch unit, N number of coil panel assembly is in parallel by selector switch unit, selector switch unit carries out work at least one the coil panel assembly controlled in N number of coil panel assembly, wherein, M and N is the integer being greater than 1; For the power supply module of powering to M resonance modules; M the switching tube corresponding with M resonance modules; Drive control module, drive control module carries out work at least one the switching tube conducting in a control M switching tube.Thus M × N number of coil panel assembly only needs M resonant capacitance and M switching tube, simplifies the wiring of circuit structure and coil panel assembly, and frequent switching selection switch unit can not be needed, extend the service life of switch, reduce noise during switching over, promote the experience of user.
Description
Technical field
The utility model relates to living electric apparatus technical field, particularly a kind of heating control apparatus of electric cooking pot and a kind of electric cooking pot with this heating control apparatus.
Background technology
In relevant electric cooking pot, when heater has multiple coil panel assembly, also need to connect again multiple resonant capacitance and multiple IGBT switch to form heater, and, also need the cooperation of selector switch when the number of coil panel assembly is more than three.Such as, 4 coil panel assemblies need, with 4 IGBT switch control rule, also to need to reconnect 4 resonant capacitances simultaneously, and need selector switch to coordinate.Thus make the circuit structure of heater complicated, the wiring of coil panel assembly is also complicated, and needs frequent change-over switch, affect switch service life, and produce noise when switching, the experience of reduction user.
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 the simple and heating control apparatus of electric cooking pot without the need to frequent switching selection switch of a kind of circuit structure.
Another object of the present utility model is to propose a kind of electric cooking pot.
According to the heating control apparatus of the electric cooking pot that the utility model proposes on the one hand, comprise: M resonance modules, each resonance modules in a described M resonance modules includes resonant capacitance, N number of coil panel assembly and selector switch unit, described N number of coil panel assembly is in parallel by described selector switch unit, described selector switch unit carries out work at least one the coil panel assembly controlled in described N number of coil panel assembly, wherein, M and N is the integer being greater than 1; Power supply module, described power supply module is used for powering to a described M resonance modules; M switching tube, a described M switching tube is corresponding with a described M resonance modules; Drive control module, described drive control module carries out work at least one the switching tube conducting controlled in a described M switching tube.
According to the heating control apparatus of the electric cooking pot that the utility model proposes, each resonance modules in M resonance modules includes resonant capacitance, N number of coil panel assembly and selector switch unit, N number of coil panel assembly is in parallel by selector switch unit, and carry out work by least one the coil panel assembly in the N number of coil panel assembly of selector switch unit controls, M resonance modules is also corresponding with M switching tube, and carry out work by least one the switching tube conducting in drive control module control M switching tube, thus, M × N number of coil panel assembly only needs M resonant capacitance and M switching tube, simplify the circuit structure of device and the wiring of coil panel assembly, and frequent switching selection switch unit can not be needed, extend the service life of switch, reduce noise during switching over, promote the experience of user.
Particularly, when M is 2 and N is 2, a described M resonance modules comprises the first resonance modules and the second resonance modules, wherein, described first resonance modules comprises the first coil panel assembly, second coil panel assembly and the first selector switch unit, one end of described first coil panel assembly is connected with one end of described second coil panel assembly, the other end of described first coil panel assembly is connected with the first contact of described first selector switch unit, the other end of described second coil panel assembly is connected with the second contact of described first selector switch unit, between one end of described first coil panel assembly and one end of described second coil panel assembly, there is first node, 3rd contact of described first selector switch unit is as Section Point, described second resonance modules comprises tertiary coil dish assembly, 4th coil panel assembly and the second selector switch unit, one end of described tertiary coil dish assembly is connected with one end of described 4th coil panel assembly, the other end of described tertiary coil dish assembly is connected with the first contact of described second selector switch unit, the other end of described 4th coil panel assembly is connected with the second contact of described second selector switch unit, between one end of described tertiary coil dish assembly and one end of described 4th coil panel assembly, there is the 3rd node, 3rd contact of described second selector switch unit is as the 4th node.
Particularly, when M is 2 and N is 2, a described M resonance modules comprises the first resonance modules and the second resonance modules, wherein, described first resonance modules comprises the first coil panel assembly, second coil panel assembly and the first selector switch unit, one end of described first coil panel assembly is connected with the first contact of described first selector switch unit, one end of described second coil panel assembly is connected with the second contact of described first selector switch unit, the other end of described first coil panel assembly is connected with the other end of described second coil panel assembly, 3rd contact of described first selector switch unit is as first node, between the other end of described first coil panel assembly and the other end of described second coil panel assembly, there is Section Point, described second resonance modules comprises tertiary coil dish assembly, 4th coil panel assembly and the second selector switch unit, one end of described tertiary coil dish assembly is connected with the first contact of described second selector switch unit, one end of described 4th coil panel assembly is connected with the second contact of described second selector switch unit, the other end of described tertiary coil dish assembly is connected with the other end of described 4th coil panel assembly, 3rd contact of described second selector switch unit is as the 3rd node, between the other end of described tertiary coil dish assembly and the other end of described 4th coil panel assembly, there is the 4th node.
Further, described first resonance modules also comprises the first resonant capacitance, and one end of described first resonant capacitance is connected with described first node, and the other end of described first resonant capacitance is connected with described Section Point; Described second resonance modules also comprises the second resonant capacitance, and one end of described second resonant capacitance is connected with described 3rd node, and the other end of described second resonant capacitance is connected with described 4th node.
Further, a described M switching tube comprises the first switching tube and second switch pipe, the first end of described first switching tube is connected with described Section Point, second end ground connection of described first switching tube, the control end of described first switching tube is connected with described drive control module, the first end of described second switch pipe is connected with described 4th node, and the second end ground connection of described second switch pipe, the control end of described second switch pipe is connected with described drive control module.
Preferably, described first selector switch unit and the second selector switch unit are described single-pole double-throw switch (SPDT), or the first selector switch unit and the second selector switch unit accessible site are set to double-point double-throw switch.
Further, the heating control apparatus of described electric cooking pot also comprises: be connected to the filtration module between described power supply module and a described M resonance modules, and described filtration module comprises filter inductance and the filter capacitor of series connection.
According to the electric cooking pot that the utility model proposes on the other hand, comprise the heating control apparatus of described electric cooking pot.
According to the electric cooking pot that the utility model proposes, simplify circuit structure and the wiring of electric cooking pot, and the relay in electric cooking pot can not need frequent switching, extend the service life of relay, reduce noise when relay switches, promote the experience of user.
Accompanying drawing explanation
Fig. 1 is the block diagram of the heating control apparatus of electric cooking pot according to the utility model embodiment;
Fig. 2 is the block diagram of the heating control apparatus of electric cooking pot according to the utility model embodiment;
Fig. 3 is the circuit theory diagrams of the heating control apparatus of electric cooking pot according to the utility model specific embodiment;
Fig. 4 is the circuit theory diagrams of the heating control apparatus of electric cooking pot according to another specific embodiment of the utility model; And
Fig. 5 is the circuit theory diagrams of the heating control apparatus of electric cooking pot according to the utility model preferred embodiment.
Reference numeral:
M resonance modules 10, power supply module 20, M switching tube 30, drive control module 40, resonant capacitance 11, N number of coil panel assembly 12, selector switch unit 13, filtration module 50, filter inductance L1, filter capacitor C3, first resonance modules 101, second resonance modules 102, first coil panel assembly 1010, second coil panel assembly 1011, first selector switch unit 1012, tertiary coil dish assembly 1020, 4th coil panel assembly 1021, second selector switch unit 1022, first switching tube Q1, second switch pipe Q2, coil panel 41 and coil panel 42.
Detailed description of the invention
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.
Below with reference to the accompanying drawings 1-5 describes the electric cooking pot of the utility model embodiment and the heating control apparatus of electric cooking pot, and this electric cooking pot is used for heating the food in electric cooking pot.
Fig. 1 is the block diagram of the heating control apparatus of electric cooking pot according to the utility model embodiment.As shown in Figure 1, the heating control apparatus of this electric cooking pot comprises: M resonance modules 10, power supply module 20, a M switching tube 30 and drive control module 40.
As the example of Fig. 1, M resonance modules 10 can be resonance modules 1, resonance modules 2 ..., resonance modules M.M switching tube 30 can be switching tube 1, switching tube 2 ..., switching tube M.
Each resonance modules in M resonance modules 10 includes resonant capacitance 11, N number of coil panel assembly 12 and selector switch unit 13, N number of coil panel assembly 12 is in parallel by selector switch unit 13, selector switch unit 13 carries out work at least one the coil panel assembly controlled in N number of coil panel assembly 12, namely say, select by selector switch unit 13 the coil panel assembly carrying out resonance heating with resonant capacitance 11.Wherein, M and N is the integer being greater than 1.
Power supply module 20 is powered for giving M resonance modules 10, namely speech power supply module 20 be respectively resonance modules 1, resonance modules 2 ..., resonance modules M powers.According to a concrete example of the present utility model, the exportable direct current of power supply module 20 is to M resonance modules 10.
M switching tube 30 is corresponding with M resonance modules 10, and according to a concrete example of the present utility model, switching tube can be IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor) pipe.Drive control module 40 carries out work at least one the switching tube conducting in a control M switching tube 30.That is, drive control module 40 can export drive control signal respectively to M switching tube 30 with the conducting of a control M switching tube 30 and closedown, namely says drive control module 40 control M switching tube 30 independently.
It should be noted that, the predeterminable computer heating control program of drive control module 40, drive control module 40 can according to the conducting of computer heating control programme-control M switching tube 30 and closedown.
Also it should be noted that, selector switch unit can control by coil panel operating key, namely says, user controls the connection path of selector switch unit by coil panel operating key, and then controls corresponding coil panel assembly and carry out work.Certainly, selector switch unit also can be controlled by the controller, predeterminable computer heating control program in controller, controller can according to the connection path of the input control selector switch unit of computer heating control program or user, and then controls corresponding coil panel assembly and carry out work.
Be understandable that, in each resonance modules, resonant capacitance 11 can be in parallel with N number of coil panel assembly 12, also can connect with N number of coil panel assembly 12, namely say, N number of coil panel assembly 12 is by also in parallel with resonant capacitance 11 after selector switch unit 13 parallel connection, or N number of coil panel assembly 12 is by also connecting with resonant capacitance 11 after selector switch unit 13 parallel connection.
Also it should be noted that, when selecting switch element 13 to switch, needing to close M switching tube 30, thus avoiding switch contact arcing, the life-span of delay switch.
Specifically, after electricity cooking pot powers on, first can need according to the input of user or computer heating control procedure Selection the coil panel assembly carrying out work, afterwards, drive control module 40 can control M switching tube 30 according to computer heating control program, and can at least one conducting in a control M switching tube 30 in each control cycle, carry out resonance heating to make the resonance modules that the switching tube of conducting is corresponding.More specifically, all can select the coil panel assembly that needs to carry out work in each resonance modules, drive control module 40 can a control M switching tube 30 conducting in turn successively, takes turns to operate to make the coil panel assembly in M resonance modules.
Thus, the heating control apparatus of the electric cooking pot that the utility model embodiment proposes, each resonance modules in M resonance modules 10 includes resonant capacitance, N number of coil panel assembly and selector switch unit, N number of coil panel assembly is in parallel by selector switch unit, and carry out work by least one the coil panel assembly in the N number of coil panel assembly of selector switch unit controls, M resonance modules 10 is also corresponding with M switching tube 30, and carry out work by least one the switching tube conducting in drive control module 40 control M switching tube 30, thus, M × N number of coil panel assembly only needs M resonant capacitance and M switching tube, simplify the circuit structure of device and the wiring of coil panel assembly, and frequent switching selection switch unit can not be needed, extend the service life of switch, reduce noise during switching over, promote the experience of user.
In addition, according to a preferred embodiment of the present utility model, power supply module 20 can comprise rectification module, the input of rectification module is connected with AC power, the output of rectification module is connected with M resonance modules 10, rectification module is used for carrying out rectification to the alternating current of AC power input, and exports the direct current obtained after rectification to M resonance modules 10.Wherein, rectification module can be diode or rectifier bridge.
According to an embodiment of the present utility model, as shown in Figure 2, the heating control apparatus of the electric cooking pot of the utility model embodiment also comprises: filtration module 50.Wherein, filtration module 50 is connected between power supply module 20 and M resonance modules 10, and filtration module 50 carries out filtering for the direct current exported power supply module 20, and filtered direct current is supplied to M resonance modules 10.
Particularly, as shown in Figure 3-Figure 5, filtration module 50 comprises filter inductance L1 and the filter capacitor C3 of series connection, namely one end of filter inductance L1 is connected with power supply module 20, the other end of filter inductance L1 is connected with one end of filter capacitor C3, the other end ground connection of filter capacitor C3, has node between filter inductance L1 and filter capacitor C3, and node is connected with M resonance modules 10.
Below in conjunction with Fig. 3 and Fig. 4, the circuit structure of the heating control apparatus of the electric cooking pot of the utility model embodiment is described in detail.
According to the embodiment of Fig. 3, when M is 2 and N is 2, M resonance modules 10 comprises the first resonance modules 101 and the second resonance modules 102.
Wherein, first resonance modules 101 comprises the first coil panel assembly 1010, second coil panel assembly 1011 and the first selector switch unit 1012, one end of first coil panel assembly 1010 is connected with one end of the second coil panel assembly 1011, the other end of the first coil panel assembly 1010 is connected with the first contact a1 of the first selector switch unit 1012, the other end of the second coil panel assembly 1011 is connected with the second contact a2 of the first selector switch unit 1012, between one end of first coil panel assembly 1010 and one end of the second coil panel assembly 1011, there is first node, 3rd contact a3 of the first selector switch unit 1012 is as Section Point.Like this, the first coil panel assembly 1010 and the second coil panel assembly 1011 are by the first selector switch unit 1012 parallel connection.
And, second resonance modules 102 comprises tertiary coil dish assembly 1020, 4th coil panel assembly 1021 and the second selector switch unit 1022, one end of tertiary coil dish assembly 1020 is connected with one end of the 4th coil panel assembly 1021, the other end of tertiary coil dish assembly 1020 is connected with the first contact a1 of the second selector switch unit 1022, the other end of the 4th coil panel assembly 1021 is connected with the second contact a2 of the second selector switch unit 1022, between one end of tertiary coil dish assembly 1020 and one end of the 4th coil panel assembly 1021, there is the 3rd node, 3rd contact a3 of the second selector switch unit 1022 is as the 4th node.Namely say, tertiary coil dish assembly 1020 and the 4th coil panel assembly 1021 are by the second selector switch unit 1022 parallel connection.
According to the embodiment of Fig. 4, when M is 2 and N is 2, M resonance modules comprises the first resonance modules 101 and the second resonance modules 102.
Wherein, first resonance modules 101 comprises the first coil panel assembly 1010, second coil panel assembly 1011 and the first selector switch unit 1012, one end of first coil panel assembly 1010 is connected with the first contact a1 of the first selector switch unit 1012, one end of second coil panel assembly 1011 is connected with the second contact a2 of the first selector switch unit 1012, the other end of the first coil panel assembly 1010 is connected with the other end of the second coil panel assembly 1011, 3rd contact a3 of the first selector switch unit 1012 is as first node, between the other end of the first coil panel assembly 1010 and the other end of the second coil panel assembly 1011, there is Section Point.Like this, the first coil panel assembly 1010 and the second coil panel assembly 1011 are by the first selector switch unit 1012 parallel connection.
And, second resonance modules 102 comprises tertiary coil dish assembly 1020, 4th coil panel assembly 1021 and the second selector switch unit 1022, one end of tertiary coil dish assembly 1020 is connected with the first contact a1 of the second selector switch unit 1022, one end of 4th coil panel assembly 1021 is connected with the second contact a2 of the second selector switch unit 1022, the other end of tertiary coil dish assembly 1020 is connected with the other end of the 4th coil panel assembly 1021, 3rd contact a3 of the second selector switch unit 1022 is as the 3rd node, between the other end of tertiary coil dish assembly 1020 and the other end of the 4th coil panel assembly 1021, there is the 4th node.Namely say, tertiary coil dish assembly 1020 and the 4th coil panel assembly 1021 are by the second selector switch unit 1022 parallel connection.
According to a concrete example of the present utility model, first coil panel assembly 1010 and tertiary coil dish 1020 assembly are arranged on the bottom of electric cooking pot, second coil panel assembly 1011 is arranged on the side of electric cooking pot, 4th coil panel assembly 1021 is arranged on the top of electric cooking pot, thus, multiple location independent heating can be realized, heat more even, for user provides diversified culinary art demand, promote the experience of user.
Further, as the embodiment of Fig. 3 and Fig. 4, the first resonance modules 101 also comprises the first resonant capacitance C1, and one end of the first resonant capacitance C1 is connected with first node, and the other end of the first resonant capacitance C1 is connected with Section Point; Second resonance modules 102 also comprises the second resonant capacitance C2, and one end of the second resonant capacitance C2 is connected with the 3rd node, and the other end of the second resonant capacitance C2 is connected with the 4th node.
Like this, because resonant capacitance is connected across on selector switch unit and coil panel assembly, so very large dash current flows through selector switch unit when avoiding heating control apparatus work.
When the first contact a1 of the first selector switch unit 1012 and the 3rd contact a3 connects, the first coil panel assembly 1010 is in parallel with the first resonant capacitance C1, and namely the first coil panel assembly 1010 and the first resonant capacitance C1 form antiresonant circuit; And when the second contact a2 of the first selector switch unit 1012 and the 3rd contact a3 connects, the second coil panel assembly 1011 is in parallel with the first resonant capacitance C1, and namely the second coil panel assembly 1011 and the first resonant capacitance C1 form antiresonant circuit.
When the first contact a1 of the second selector switch unit 1022 and the 3rd contact a3 connects, tertiary coil dish assembly 1020 is in parallel with the second resonant capacitance C2, and namely tertiary coil dish assembly 1020 and the second resonant capacitance C2 form antiresonant circuit; And when connecting as the second contact a2 of the second selector switch unit 1022 and the 3rd contact a3, the 4th coil panel assembly 1021 is in parallel with the second resonant capacitance C2, and namely the 4th coil panel assembly 1021 and the second resonant capacitance C2 form antiresonant circuit.
Further, as shown in Figure 3 and Figure 4, M switching tube comprises the first switching tube Q1 and second switch pipe Q2, the first end of the first switching tube Q2 is connected with Section Point, the second end ground connection of the first switching tube Q1, the control end of the first switching tube Q1 is connected with drive control module 40, and the first end of second switch pipe Q2 is connected with the 4th node, the second end ground connection of second switch pipe Q2, the control end of second switch pipe Q2 is connected with drive control module 40.That is, the first switching tube Q1 is corresponding with the first resonance modules 101, and second switch pipe Q2 is corresponding with the second resonance modules 102, when the first switching tube Q1 conducting, first resonance modules 101 carries out resonance heating, and when the Q2 conducting of second switch pipe, the second resonance modules 102 carries out resonance heating.
According to a concrete example of the present utility model, the first switching tube Q1 and second switch pipe Q2 all can be IGBT pipe.The first end of the first switching tube Q1 and second switch pipe Q2 is colelctor electrode, and second end of the first switching tube Q1 and second switch pipe Q2 is emitter stage, and the control end of the first switching tube Q1 and second switch pipe Q2 is grid.
According to a specific embodiment of the present utility model, first selector switch unit 1012 and the second selector switch unit 1022 are single-pole double-throw switch (SPDT), or the first selector switch unit 1012 and the second selector switch unit 1022 accessible site are set to double-point double-throw switch.
More specifically, first selector switch unit 1012 can be the switch of the first relay, when the coil no power of the first relay, first contact a1 and the 3rd contact a3 of the first selector switch unit 1012 connect, when the coil electricity of the first relay, the second contact a2 and the 3rd contact a3 of the first selector switch unit 1012 connect; Second selector switch unit 1022 can be the switch of the second relay, when the coil no power of the second relay, first contact a1 and the 3rd contact a3 of the second selector switch unit 1022 connect, when the coil electricity of the first relay, the second contact a2 and the 3rd contact a3 of the second selector switch unit 1022 connect.
Or, first selector switch unit 1012 and the second selector switch unit 1022 can be the switch of same relay, when the coil no power of relay, first contact a1 and the 3rd contact a3 of above-mentioned two switch elements connect, when the coil electricity of relay, the second contact a2 and the 3rd contact a3 of above-mentioned two switch elements connect.
Particularly, according to embodiment of the present utility model, when the first contact a1 of the first selector switch unit 1012 and the 3rd contact a3 connects and the first contact a1 of the second selector switch unit 1022 and the 3rd contact a3 connects, drive control module 40 controls the first switching tube Q1 and second switch pipe Q2 conducting in turn, takes turns to operate to make the first coil panel assembly and tertiary coil dish assembly; When the second contact a2 of the first selector switch unit and the 3rd contact a3 connects and the second contact a2 of the second selector switch unit and the 3rd contact a3 connects, drive control module controls the first switching tube and the conducting in turn of second switch pipe, takes turns to operate to make the second coil panel assembly and the 4th coil panel assembly.
For the switch that the first selector switch unit 1012 and the second selector switch unit 1022 are same relay.
In the cold situation of relay, drive control module 40 can export drive control signal to the first switching tube Q1 and second switch pipe Q2 respectively, to control the first switching tube Q1 and second switch pipe Q2 conducting in turn, namely say, drive control module 40 first can control the first switching tube Q1 conducting Preset Time, control second switch pipe Q2 simultaneously and close Preset Time, first coil panel assembly 1010 carries out work, control the first switching tube Q1 again and close Preset Time, control second switch pipe Q2 conducting Preset Time simultaneously, tertiary coil dish assembly 1020 carries out work, so, first switching tube Q1 and second switch pipe Q2 conducting in turn, be arranged on the first coil panel assembly 1010 bottom electric cooking pot and tertiary coil dish assembly 1020 takes turns to operate.
When relay power, drive control module 40 exports drive control signal to the first switching tube Q1 and second switch pipe Q2 respectively, to control the first switching tube Q1 and second switch pipe Q2 conducting in turn, namely say, drive control module 40 first can control the first switching tube Q1 conducting Preset Time, control second switch pipe Q2 simultaneously and close Preset Time, second coil panel assembly 1011 carries out work, control the first switching tube Q1 again and close Preset Time, control second switch pipe Q2 conducting Preset Time simultaneously, 4th coil panel assembly 1021 carries out work, so, first switching tube Q1 and second switch pipe Q2 conducting in turn, be arranged on side second coil panel assembly 1011 and be arranged on bottom the 4th coil panel assembly 1021 and take turns to operate, thus realize different parts and heat in turn.
Thus, add hot-swap by the break-make control realization coil panel assembly of switching tube, and do not need the action of selector switch unit, extend the service life of switch, reduce noise during switching over, promote the experience of user.
In addition, according to another embodiment of the present utility model, coil panel assembly can be in series by multiple coil panel.In other words, in N number of coil panel assembly, each coil panel assembly all may be split into multiple coil panels of series connection, such as, first coil panel assembly 1010 may be split into the series connection of multiple coil panel, second coil panel assembly 1011 may be split into the series connection of multiple coil panel, tertiary coil dish assembly 1020 may be split into the series connection of multiple coil panel, and the 4th coil panel assembly 1021 may be split into the series connection of multiple coil panel.
Preferably, as the example of Fig. 5, the 4th coil panel assembly 1021 can comprise coil panel 41 and coil panel 42.Wherein, coil panel 41 is connected with coil panel 42, coil panel 41 and coil panel 42 can be arranged on the different parts of electric cooking pot, such as coil panel 41 can be arranged on side, and coil panel 42 can be arranged on bottom, thus, multiple location can be realized heat simultaneously, heating is more even, for user provides diversified culinary art demand, promotes the experience of user.
In addition, the utility model embodiment also proposed a kind of electric cooking pot, comprises the heating control apparatus of above-mentioned electric cooking pot.
According to the electric cooking pot that the utility model embodiment proposes, simplify circuit structure and the wiring of electric cooking pot, and the relay in electric cooking pot can not need frequent switching, extend the service life of relay, reduce noise when relay switches, promote the experience 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 mediate 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 description, 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 description 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 (8)
1. a heating control apparatus for electric cooking pot, is characterized in that, comprising:
M resonance modules, each resonance modules in a described M resonance modules includes resonant capacitance, N number of coil panel assembly and selector switch unit, described N number of coil panel assembly is in parallel by described selector switch unit, described selector switch unit carries out work at least one the coil panel assembly controlled in described N number of coil panel assembly, wherein, M and N is the integer being greater than 1;
Power supply module, described power supply module is used for powering to a described M resonance modules;
M switching tube, a described M switching tube is corresponding with a described M resonance modules;
Drive control module, described drive control module carries out work at least one the switching tube conducting controlled in a described M switching tube.
2. the heating control apparatus of electric cooking pot as claimed in claim 1, is characterized in that, when M is 2 and N is 2, a described M resonance modules comprises the first resonance modules and the second resonance modules, wherein,
Described first resonance modules comprises the first coil panel assembly, second coil panel assembly and the first selector switch unit, one end of described first coil panel assembly is connected with one end of described second coil panel assembly, the other end of described first coil panel assembly is connected with the first contact of described first selector switch unit, the other end of described second coil panel assembly is connected with the second contact of described first selector switch unit, between one end of described first coil panel assembly and one end of described second coil panel assembly, there is first node, 3rd contact of described first selector switch unit is as Section Point,
Described second resonance modules comprises tertiary coil dish assembly, 4th coil panel assembly and the second selector switch unit, one end of described tertiary coil dish assembly is connected with one end of described 4th coil panel assembly, the other end of described tertiary coil dish assembly is connected with the first contact of described second selector switch unit, the other end of described 4th coil panel assembly is connected with the second contact of described second selector switch unit, between one end of described tertiary coil dish assembly and one end of described 4th coil panel assembly, there is the 3rd node, 3rd contact of described second selector switch unit is as the 4th node.
3. the heating control apparatus of electric cooking pot as claimed in claim 1, is characterized in that, when M is 2 and N is 2, a described M resonance modules comprises the first resonance modules and the second resonance modules, wherein,
Described first resonance modules comprises the first coil panel assembly, second coil panel assembly and the first selector switch unit, one end of described first coil panel assembly is connected with the first contact of described first selector switch unit, one end of described second coil panel assembly is connected with the second contact of described first selector switch unit, the other end of described first coil panel assembly is connected with the other end of described second coil panel assembly, 3rd contact of described first selector switch unit is as first node, between the other end of described first coil panel assembly and the other end of described second coil panel assembly, there is Section Point,
Described second resonance modules comprises tertiary coil dish assembly, 4th coil panel assembly and the second selector switch unit, one end of described tertiary coil dish assembly is connected with the first contact of described second selector switch unit, one end of described 4th coil panel assembly is connected with the second contact of described second selector switch unit, the other end of described tertiary coil dish assembly is connected with the other end of described 4th coil panel assembly, 3rd contact of described second selector switch unit is as the 3rd node, between the other end of described tertiary coil dish assembly and the other end of described 4th coil panel assembly, there is the 4th node.
4. the heating control apparatus of electric cooking pot as claimed in claim 2 or claim 3, is characterized in that,
Described first resonance modules also comprises the first resonant capacitance, and one end of described first resonant capacitance is connected with described first node, and the other end of described first resonant capacitance is connected with described Section Point; And
Described second resonance modules also comprises the second resonant capacitance, and one end of described second resonant capacitance is connected with described 3rd node, and the other end of described second resonant capacitance is connected with described 4th node.
5. the heating control apparatus of electric cooking pot as claimed in claim 2 or claim 3, it is characterized in that, a described M switching tube comprises the first switching tube and second switch pipe, the first end of described first switching tube is connected with described Section Point, second end ground connection of described first switching tube, the control end of described first switching tube is connected with described drive control module, the first end of described second switch pipe is connected with described 4th node, second end ground connection of described second switch pipe, the control end of described second switch pipe is connected with described drive control module.
6. the heating control apparatus of electric cooking pot as claimed in claim 2 or claim 3, it is characterized in that, described first selector switch unit and the second selector switch unit are single-pole double-throw switch (SPDT), or the first selector switch unit and the second selector switch unit accessible site are set to double-point double-throw switch.
7. the heating control apparatus of electric cooking pot as claimed in claim 1, is characterized in that, also comprise:
Be connected to the filtration module between described power supply module and a described M resonance modules, described filtration module comprises filter inductance and the filter capacitor of series connection.
8. an electric cooking pot, is characterized in that, comprises the heating control apparatus of the electric cooking pot according to any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520109240.5U CN204534702U (en) | 2015-02-13 | 2015-02-13 | The heating control apparatus of electricity cooking pot and electric cooking pot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520109240.5U CN204534702U (en) | 2015-02-13 | 2015-02-13 | The heating control apparatus of electricity cooking pot and electric cooking pot |
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| CN204534702U true CN204534702U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520109240.5U Withdrawn - After Issue CN204534702U (en) | 2015-02-13 | 2015-02-13 | The heating control apparatus of electricity cooking pot and electric cooking pot |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987409A (en) * | 2015-02-13 | 2016-10-05 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooking device and heating control device thereof |
| CN106686786A (en) * | 2015-11-11 | 2017-05-17 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating apparatus and control method and control circuit thereof |
| CN106879094A (en) * | 2015-12-11 | 2017-06-20 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heater and its heating control circuit |
-
2015
- 2015-02-13 CN CN201520109240.5U patent/CN204534702U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987409A (en) * | 2015-02-13 | 2016-10-05 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooking device and heating control device thereof |
| CN106686786A (en) * | 2015-11-11 | 2017-05-17 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating apparatus and control method and control circuit thereof |
| CN106879094A (en) * | 2015-12-11 | 2017-06-20 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heater and its heating control circuit |
| CN106879094B (en) * | 2015-12-11 | 2023-08-22 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating device and heating control circuit thereof |
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Granted publication date: 20150805 Effective date of abandoning: 20180102 |