CN102340898B - Drive control system of electric heating appliance - Google Patents
Drive control system of electric heating appliance Download PDFInfo
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- CN102340898B CN102340898B CN201110211839.6A CN201110211839A CN102340898B CN 102340898 B CN102340898 B CN 102340898B CN 201110211839 A CN201110211839 A CN 201110211839A CN 102340898 B CN102340898 B CN 102340898B
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Abstract
The invention discloses a drive control system of an electric heating appliance, which comprises a system main control chip (MCU) (1), a heating control module (2) and a human-computer interaction control module (3), wherein the heating control module and the human-computer interaction control module (3) respectively comprise more than function circuit, the system MCU (1) controls the function circuits in the heating control module (2) and the human-computer interaction control module (3) through a plurality of drive control circuits, the drive control circuits are independent and are separated from the system MCU (1) and are integrated into a middle communication chip, and the system MCU (1) drives the function circuits to work through the middle communication chip. According to the invention, the compatibility of the drive control system of the appliance can be relatively improved, the development period is shortened, and the development and the maintenance costs are reduced.
Description
Technical field
The present invention relates to the driving control system of the heating electrical appliance in circuit control technology field, be specifically related to the Drive and Control Circuit of heating electrical appliance.
Background technology
As shown in Figure 1, existing electric cooker, the magnetic stove, generally be designed with the human-computer interactive control module in the circuit control system of the home-use electric heating appliances such as pressure cooker and (comprise the input key testing circuit, display control circuit, voice control circuit etc.), heating control module, comprise power switch control circuit, the heat radiation ON-OFF control circuit, the protection testing circuit, temperature sensing circuit, the functional circuit module such as operating current/voltage detecting circuit, functional circuit module is electrically connected to system master chip MCU usually, the work that main control chip MCU controls functional circuit by drive circuit and the driver of each functional circuit completes various functions.In prior art, each drive circuit and related driver programs and MCU are integrated, are completed the function of driving by main control chip.
As: system master chip MCU receives the operation signal of key switch by the input key testing circuit, control the relevant cooking information of LED light or charactron or a section-type LCD output display by display control circuit, by the voice suggestion content of voice control circuit control loudspeaker.The main control chip of Electromagnetic Heating electrical equipment is controlled the action of electromagnetic heater, abnormal protection device by driver.In the common writing system main control chip of the driver of functional circuit module, the system master chip is assigned instruction by driver to functional circuit module, controls the work of functional circuit module.
Along with the development of electrical apparatus industry, people are more and more to the functional requirement of electrical equipment, and the design of functional circuit is also more and more versatile and flexible.Because main control chip is the core of whole control circuit, any functional circuit needs main control chip to drive control, modules all needs to match with main control chip, compatibility and load capacity to main control chip MCU have proposed higher requirement, and because the development cost of main control chip is high, if the functional circuit module of removable parts all needs whole main control chip is carried out to adjustment and design again, cause this control circuit standardised generic degree low, especially in the new product development process, the increase of operation displaying contents or the demand reduced costs, can cause in control circuit needing the main control chip MCU that configuration capacity is greater or lesser or cost is lower, like this for the system master chip MCU of different size model, just need to again develop and each module control circuit of selecting main control chip MCU to match, cause product development cycle long, cost is high.
Summary of the invention
For above-mentioned problems of the prior art, the invention provides the driving control system of the electric heating appliance that a kind of standardization and compatibility are high.
For realizing purpose of the present invention, technical scheme of the present invention is: a kind of driving control system of electric heating appliance, comprise system master chip MCU, heating control module and human-computer interactive control module, above-mentioned heating control module, comprise respectively functional circuit more than two in the human-computer interactive control module, system master chip MCU is by a plurality of drive control circuit heating control module, functional circuit work in the human-computer interactive control module, described a plurality of Drive and Control Circuit and system master chip MCU independent separate, and communication chip in the middle of being integrated into, system master chip MCU drives functional circuit work by middle communication chip.
The functional circuit that described heating control module comprises has: power switch control circuit, protection testing circuit, heat radiation ON-OFF control circuit, operating voltage/current detection circuit and temperature observation circuit; The functional circuit that described human-computer interactive control module comprises has: input key testing circuit, display control circuit and voice control circuit.
In the middle of described, communication chip comprises: heating control chip, input key drive chip, display driver chip and voice driven chip;
Include the heat driven control circuit in the heating control chip; Input key drives in chip and includes the operation push-button drive circuit; Include display driver circuit in display driver chip; Include the voice driven circuit in the voice driven chip.
Described power switch control circuit is the IGBT ON-OFF control circuit, for controlling the break-make of solenoid and IGBT; Described heating control module is by the IGBT Drive and Control Circuit in middle communication chip and system master chip interactive information.
Described display control circuit is dot matrix LCD display control circuit.
In the middle of described, communication chip comprises: heating control chip and display driver chip.
In the middle of described, communication chip comprises: heating control chip and man-machine interaction drive control chip, and described man-machine interaction drives control chip to comprise input key drive circuit, display driver circuit, voice driven circuit.
Compared to existing technology, helpful being of the present invention:
In the middle of adopting between main control chip and functional circuit module, communication chip drives control, it is different (as different operations for the partial function circuit module is only arranged, show, the functional circuit such as voice suggestion) similar electric heating products, its circuit board hardware, main control chip can be realized the highly versatile standardization, the derived product research and development of identical main control chip only need to be developed and get final product the partial function circuit module, can relatively improve the compatibility of electrical equipment driving control system, shorten product development cycle, reduce product development cost, when functional circuit module breaks down maintenance, only need to change and get final product corresponding circuit module, need not change whole circuit pcb board, effectively reduce maintenance cost.
The accompanying drawing explanation
The module map that Fig. 1 is the prior art control circuit;
The circuit module figure that Fig. 2 is embodiment mono-driving control system;
The circuit diagram that Fig. 3 is embodiment mono-driving control system;
The circuit module figure that Fig. 4 is embodiment bis-driving control systems;
The circuit module figure that Fig. 5 is embodiment tri-driving control systems.
Embodiment
Embodiment mono-:
As shown in Figure 2,3; the driving control system that a kind of electromagnetic heating electric rice cooker drives in the present embodiment; comprise system master chip MCU1, Electromagnetic Heating control module 2 and human-computer interactive control module 3; Electromagnetic Heating control module 2 comprises the parallel circuits such as IGBT ON-OFF control circuit 21, heat radiation ON-OFF control circuit 22, protection testing circuit 23, interior pot temperature testing circuit 24, operating current/voltage detecting circuit 25, and operation display control module 3 comprises the parallel circuits such as input key testing circuit 31, display control circuit 32, voice control circuit 33.
Be electrically connected with between system master chip MCU1 and Electromagnetic Heating control module 2 as completing and drive the Electromagnetic Heating control chip 4 of controlling function, wherein integrated IGBT ON-OFF control circuit 21, heat radiation ON-OFF control circuit 22, protection testing circuit 23, interior pot temperature testing circuit 24, the drive circuit of operating current/voltage detecting circuit 25 functional circuit, each functional circuit is electrically connected to Electromagnetic Heating control chip 4 respectively, system master chip MCU1 adds the relevant information of thermal control to 4 transmission of Electromagnetic Heating control chip by communications protocol one, Electromagnetic Heating control chip 4 receives respectively operating voltage/current detection circuit 25, interior pot temperature testing circuit 24, the signal of protection testing circuit 23, control IGBT ON-OFF control circuit 21, the action of heat radiation ON-OFF control circuit 22, and by communications protocol two feedback information to system master chip MCU1 transmission operating state.
Be electrically connected with respectively input key between system master chip MCU1 and input key testing circuit 31, display control circuit 32, voice control circuit 33 and drive chip 5, display driver chip 6, voice driven chip 7; Input key drives chip 5 to receive the signal of input key testing circuit 31, and transmits to system master chip MCU1 by communications protocol five; System master chip MCU1 passes through communications protocol three-dimensional display driver chip 6 output display information according to this push button signalling, and is controlled the action of dot matrix LCD display control circuits 32 by display driver chip 6; Simultaneity factor main control chip MCU1 according to this push button signalling by communications protocol four-way voice driven chip 7 output voice messagings, and by the action of voice driven chip 7 control loudspeaker control circuits 33.
In the present embodiment, display control circuit is dot matrix LCD display control circuit, corresponding dot matrix LCD display control circuit is designed with the dot matrix LCD display, corresponding touch key-press measurement circuit design has the touch key-press switch, corresponding voice control circuit is designed with emulation voice voice, the fashion-orientation of lifting electric cooker product operation display interface, superior.
The Drive and Control Circuit of the electric heating appliance of the present embodiment is modular to be arranged on the circuit pcb board, and system master chip MCU1 realizes the information transmission by communications protocol and each middle communication chip, and the functional circuit of control terminal.Therefore the generalization degree of circuit hardware is high, when change occurs function, only needing change termination function circuit and driver and communications protocol is that software just can be realized, need not reselect main control chip again, also need not re-start again design, the coupling of module control circuit, shorten the construction cycle, reduce parts, reduce costs, and when circuit breaks down maintenance, only need to change and get final product corresponding circuit module, need not change whole circuit pcb board, effectively reduce maintenance cost.
For the electric cooker product, generally being changed more is man-machine interface, operate display control module 3, as operating function, displaying contents, voice content etc., comparatively speaking, the change of Electromagnetic Heating control module 2 is less, therefore on the basis of embodiment mono-, cancel the communication chip between Electromagnetic Heating control module 2 and system master chip MCU1, each terminal of directly controlling Electromagnetic Heating control module 2 by system master chip MCU1, also can reach roughly the same effect.
Embodiment bis-:
As Fig. 4 shows, different from embodiment mono-is, in the control circuit of the present embodiment IH electric cooker, only have in human-computer interactive control module 3 between dot matrix LCD display control circuit 32 and system master chip MCU1 and be electrically connected with display driver chip 6, input key testing circuit 31, voice control circuit 33 directly are electrically connected to system master chip MCU1 respectively.System master chip MCU1 receives the signal of input key testing circuit 31, by communications protocol three-dimensional display driver chip 6 output display information, is controlled the action of dot matrix LCD display control circuit 32 by display driver chip 6; Simultaneity factor main control chip MCU1 controls the action of voice control circuit 33 according to this push button signalling, according to the action of the signal controlling Electromagnetic Heating control module of this push button signalling and Electromagnetic Heating control module circuit feedback.
Embodiment tri-:
As Fig. 5 shows, different from embodiment mono-, in the control circuit of the present embodiment IH electric cooker, be electrically connected with operation display control chip 8 between operation display control module 3 and system master chip MCU1.Operation display control chip 8 receives the signal of touch key-press testing circuit 31, and feeds back to system master chip MCU1 by communications protocol seven.System master chip MCU1 passes through communications protocol six to operation display control chip 8 transmission of control signals, and is controlled the action of dot matrix LCD display control circuits 32, loud speaker control circuit 33 by operation display control chip 8.
In the above-described embodiments, communications protocol one to seven can be CSI communications protocol or I2C communications protocol, its function is a kind of protocol language of mediated communication chip and main control chip interactive information, system master chip MCU sends data to the Electromagnetic Heating control chip, control the Electromagnetic Heating control chip and how to realize the control to heating, such as opening, turn-off IGBT, upper cover, side heat etc.The heating control chip sends to main control chip by the related data of heating circuit, and main control chip is judged related data, the information of needs is presented in the display of its control to realization and user's information interchange.
Claims (7)
1. the driving control system of an electric heating appliance, comprise system master chip MCU(1), heating control module (2) and human-computer interactive control module (3), above-mentioned heating control module (2), comprise respectively functional circuit more than two in human-computer interactive control module (3), system master chip MCU(1) by a plurality of drive control circuit heating control module (2), functional circuit work in human-computer interactive control module (3), it is characterized in that: described a plurality of Drive and Control Circuit and system master chip MCU(1) independent separate, and communication chip in the middle of being integrated into, system master chip MCU(1) drive functional circuit work by middle communication chip, the functional circuit that described heating control module (2) comprises has: power switch control circuit (21), protection testing circuit (23), heat radiation ON-OFF control circuit (22), operating voltage/current detection circuit (25) and temperature observation circuit (24), the functional circuit that described human-computer interactive control module (3) comprises has: input key testing circuit (31), display control circuit (32) and voice control circuit (33).
2. the driving control system of electric heating appliance according to claim 1, it is characterized in that: in the middle of described, communication chip comprises: heating control chip (4), input key drive chip (5), display driver chip (6) and voice driven chip (7);
Include the heat driven control circuit in heating control chip (4); Input key drives in chip (5) and includes the operation push-button drive circuit; Display driver chip includes display driver circuit in (6); The voice driven chip includes the voice driven circuit in (7).
3. the driving control system of electric heating appliance according to claim 1, it is characterized in that: described power switch control circuit (21) is the IGBT ON-OFF control circuit, for controlling the break-make of solenoid and IGBT; Described heating control module (2) is by the IGBT Drive and Control Circuit in middle communication chip and system master chip (1) interactive information.
4. according to the driving control system of the electric heating appliance described in claim 1, it is characterized in that: described display control circuit is dot matrix LCD display control circuit.
5. the driving control system of electric heating appliance according to claim 1 is characterized in that: in the middle of described, communication chip comprises: heating control chip (4) and display driver chip (6).
6. the driving control system of electric heating appliance according to claim 1, it is characterized in that: in the middle of described, communication chip comprises: heating control chip (4) and man-machine interaction drive control chip (8), and described man-machine interaction drives control chip (8) to comprise input key drive circuit, display driver circuit, voice driven circuit.
7. the driving control system of electric heating appliance according to claim 1, is characterized in that: described system master chip MCU(1) by communications protocol, with middle communication chip signal, be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110211839.6A CN102340898B (en) | 2011-07-27 | 2011-07-27 | Drive control system of electric heating appliance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110211839.6A CN102340898B (en) | 2011-07-27 | 2011-07-27 | Drive control system of electric heating appliance |
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| CN102340898A CN102340898A (en) | 2012-02-01 |
| CN102340898B true CN102340898B (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110211839.6A Active CN102340898B (en) | 2011-07-27 | 2011-07-27 | Drive control system of electric heating appliance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105333619A (en) * | 2015-10-20 | 2016-02-17 | 肖锋 | Voice broadcast system of water heater |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200950220Y (en) * | 2005-09-27 | 2007-09-19 | 上海海立（集团）股份有限公司 | Intelligentized controller for thermal pump water heater |
| CN202190417U (en) * | 2011-07-27 | 2012-04-11 | 佛山市顺德区美的电热电器制造有限公司 | Drive control system for electrothermal electric appliance |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1752874A (en) * | 2005-08-22 | 2006-03-29 | 武汉理工大学 | Embedded type motion control method based on plate system and its device |
| CN201084028Y (en) * | 2007-09-25 | 2008-07-09 | 薛玉起 | Electric heating type floor heating device automatic temperature control device |
| US8280556B2 (en) * | 2009-12-22 | 2012-10-02 | General Electric Company | Energy management of HVAC system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200950220Y (en) * | 2005-09-27 | 2007-09-19 | 上海海立（集团）股份有限公司 | Intelligentized controller for thermal pump water heater |
| CN202190417U (en) * | 2011-07-27 | 2012-04-11 | 佛山市顺德区美的电热电器制造有限公司 | Drive control system for electrothermal electric appliance |
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| CN102340898A (en) | 2012-02-01 |
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