CN204145790U - Electromagnetic oven chip module circuit - Google Patents
Electromagnetic oven chip module circuit Download PDFInfo
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- CN204145790U CN204145790U CN201420584263.7U CN201420584263U CN204145790U CN 204145790 U CN204145790 U CN 204145790U CN 201420584263 U CN201420584263 U CN 201420584263U CN 204145790 U CN204145790 U CN 204145790U
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- electromagnetic oven
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Abstract
The utility model discloses a kind of electromagnetic oven chip module circuit, comprise single-chip microcomputer, described single-chip microcomputer connects synchronous circuit, IGBT and fan drive circuit, IGBT temperature detection circuit, voltage detection circuit, furnace surface temperature testing circuit, synchronous circuit, telecommunication circuit, signal amplification circuit, surge testing circuit respectively, described single-chip microcomputer and connecting circuit thereof are integrated into master chip control module, and master chip control module exports some pins.The utility model replaces the peripheral circuit of existing single-chip microcomputer with integrated circuit, is integrated on one piece of circuit module, reduces costs, improve electrical system generalization degree.
Description
Technical field
The utility model relates to electromagentic furnace technology field, more particularly, relates to a kind of integrated chip module circuit of electromagnetic oven.
Background technology
Electromagnetic oven is according to electromagnetic inductive heating principle, utilizes alternating current to produce alternating magnetic field by coil, and alternating magnetic field produces induced current (eddy current) bottom the irony of iron pot, and eddy current makes a pot body generate heat rapidly, thus can realize the function of cooking food.
Existing controlling circuit of electromagnetic furnace is primarily of several large circuit part composition; respectively: power rectifier part; measure voltage & current protection part, face version control section, synchronous and drive part; wherein blower fan driving, IGBT driving, DC5V power supply, buzzer drive; above circuit is all made up of discrete component; the many costs of components and parts are high, and temperature influence is large, and circuit stability is poor.Market Feedback failure rate remains high.
Utility model content
The technical problems to be solved in the utility model is, a kind of electromagnetic oven chip module circuit adopting the low cost of digital intelligent control mode is provided, the control circuit height of multiple load is integrated in chip module, make the circuit structure of electromagnetic oven more succinct, compact, circuit stability is good, to overcome the deficiencies in the prior art.
The utility model solves the technical scheme that its technical problem adopts: a kind of electromagnetic oven chip module circuit, comprise single-chip microcomputer, described single-chip microcomputer connects synchronous circuit, IGBT and fan drive circuit, IGBT temperature detection circuit, voltage detection circuit, furnace surface temperature testing circuit, synchronous circuit, telecommunication circuit, signal amplification circuit, surge testing circuit respectively, described single-chip microcomputer and connecting circuit thereof are integrated into master chip control module, and master chip control module exports some pins.
Described master chip control module output pin comprises furnace surface temperature sensor pin, fan pin, communication pin, and described each pin connects temperature sensor interface, fan interface, communication interface respectively.
Described master chip control module output pin comprises buzzer pin, described buzzer pin external buzzer circuit.
Described master chip control module connects current rectifying and wave filtering circuit and resonant circuit.
Described master chip control module rubber seal is in plastic housing.
Compared with prior art, the beneficial effects of the utility model are:
Electromagnetic oven chip module circuit of the present utility model replaces the peripheral function control circuit of existing electromagnetic oven electric control system, whole electric control system can highly be integrated on one piece of circuit board, and replace existing Analog control with digital control, improve the intelligent level of commercial induction cooker, and reduce the cost of control system, improve electrical system generalization degree.
Electromagnetic oven chip module circuit electrical element of the present utility model is few, and circuit is simplified, and reliability is high, and production cost is low.Circuit board module rubber seal, in plastic housing, has insect protected, moisture-proof function.
Accompanying drawing explanation
Fig. 1 is the utility model electromagnetic oven chip module circuit diagram.
Fig. 2 is the utility model electromagnetic oven chip module schematic block circuit diagram.
Fig. 3 is the pin function connection diagram of the utility model electromagnetic oven chip module.
Fig. 4 is the controlling circuit of electromagnetic furnace figure of application the utility model chip module.
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, only for explaining the utility model, and can not be interpreted as scope of the present utility model is limited.
See Fig. 1-2, electromagnetic oven chip module circuit, comprise single-chip microcomputer 21, single-chip microcomputer connects synchronous circuit 22 respectively, IGBT and fan drive circuit 23, IGBT temperature detection circuit 24, voltage detection circuit 25, furnace surface temperature testing circuit 26, telecommunication circuit 27, signal amplification circuit 28, surge testing circuit 29, described single-chip microcomputer and above each connecting circuit are integrated into master chip control module 20, master chip control module exports 19 pins, pin numbering is 1-19, the internal connection circuit structure of each pin is shown in Figure 1, wherein, pin 13 is drawn from furnace surface temperature testing circuit 26, pin 7 is drawn from signal amplification circuit 28, telecommunication circuit 27 is output pin 14-18 respectively, 2, 8, comprise ground lead, three PORT COM such as PA6, and 5V voltage mouth.IGBT and fan drive circuit 23 export the pins such as 3,4,10,12, and surge testing circuit 29 draws pin 1, and pin 5,6 drawn by synchronous circuit 22.Shown in Figure 3, each pin connects different loads respectively or supply voltage exports, and wherein pin 9 connects IGBT temperature transducer, and pin 11 connects fans drive, and pin 19 connects buzzer and drives.Master chip control module rubber seal is in plastic housing.
See Fig. 4, the external current rectifying and wave filtering circuit 30 of master chip control module 20, resonant circuit 40, buzzer circuit 50, be also circumscribed with communication interface 60, furnace surface temperature sensor interface 70, fan interface 80 etc.Pin 13 is furnace surface temperature sensor pin, and pin 13 connects furnace surface temperature sensor interface 70.Pin 11,12 is fan pins, and pin 11,12 connects fan interface 80.Pin 16-18 is communication pin, and pin 16-18 connects the communication interface 60 of display panel respectively.Pin 19 is buzzer pins, pin 19 external buzzer circuit 50.
The utility model replaces many complicated circuits of the periphery of existing single-chip microcomputer with integrated circuit, be integrated on one piece of circuit board module, reduce costs, and ensures consistency, improves electrical system generalization degree.
Although illustrate and described embodiment of the present utility model; those of ordinary skill in the art is to be understood that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim; scope of the present utility model limited by claim and equivalent replacement thereof; in the improvement etc. done without creative work, all should be included within protection range of the present utility model.
Claims (5)
1. an electromagnetic oven chip module circuit, comprise single-chip microcomputer, it is characterized in that: described single-chip microcomputer connects synchronous circuit, IGBT and fan drive circuit, IGBT temperature detection circuit, voltage detection circuit, furnace surface temperature testing circuit, synchronous circuit, telecommunication circuit, signal amplification circuit, surge testing circuit respectively, described single-chip microcomputer and connecting circuit thereof are integrated into master chip control module, and master chip control module exports some pins.
2. electromagnetic oven chip module circuit according to claim 1, it is characterized in that: described master chip control module output pin comprises furnace surface temperature sensor pin, fan pin, communication pin, and described each pin connects temperature sensor interface, fan interface, communication interface respectively.
3. electromagnetic oven chip module circuit according to claim 1, is characterized in that: described master chip control module output pin comprises buzzer pin, described buzzer pin external buzzer circuit.
4. electromagnetic oven chip module circuit according to claim 1, is characterized in that: described master chip control module connects current rectifying and wave filtering circuit and resonant circuit.
5. electromagnetic oven chip module circuit according to claim 1, is characterized in that: described master chip control module rubber seal is in plastic housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420584263.7U CN204145790U (en) | 2014-10-11 | 2014-10-11 | Electromagnetic oven chip module circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420584263.7U CN204145790U (en) | 2014-10-11 | 2014-10-11 | Electromagnetic oven chip module circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204145790U true CN204145790U (en) | 2015-02-04 |
Family
ID=52422451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420584263.7U Active CN204145790U (en) | 2014-10-11 | 2014-10-11 | Electromagnetic oven chip module circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204145790U (en) |
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2014
- 2014-10-11 CN CN201420584263.7U patent/CN204145790U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |