CN201557983U - Main control circuit of variable-frequency electric rice cooker - Google Patents
Main control circuit of variable-frequency electric rice cooker Download PDFInfo
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- CN201557983U CN201557983U CN2009202368084U CN200920236808U CN201557983U CN 201557983 U CN201557983 U CN 201557983U CN 2009202368084 U CN2009202368084 U CN 2009202368084U CN 200920236808 U CN200920236808 U CN 200920236808U CN 201557983 U CN201557983 U CN 201557983U
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- control circuit
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Abstract
The utility model disclose a main control circuit of a variable-frequency electric rice cooker, which comprises a plug, an electric rice cooker heating tube connected with the plug, a transformer connected with the plug, a variable-frequency controller connected with the transformer, and a function indication and control panel connected with the variable-frequency controller. A bidirectional thyristor is further connected between the electric rice cooker heating tube and the plug, and the variable-frequency controller is connected with a control electrode of the bidirectional thyristor through a pulse width modulation (PWM) control signal cable. The plug is a fused plug. The main control circuit more saves electricity and energy, and can cook rice or food with better flavor.
Description
Technical field
The utility model relates to a kind of culinary household electrical appliance, particularly a kind of main control circuit of frequency conversion electric cooker.
Background technology
Present electric cooker does not all have the function of VFC, and its control circuit has only custom circuits such as switch, overcurrent protection, temperature control usually, and the heat-generating pipe of only controlling electric cooker with these circuit all can compare power consumption usually, wastes energy.And owing to have only these custom circuits, the firepower control mode of electric cooker and the control of heating-up temperature all can not reach optimum state, and therefore, the meal that pot boils or the mouthfeel or the taste of food all can not The Gift of Being the Best You Can Bes.Therefore, be necessary to make improvements.
Summary of the invention
In order to address the above problem, the purpose of this utility model is to provide meal or the mouthfeel of food or the main control circuit of the better frequency conversion electric cooker of taste a kind of more power and energy saving, that pot boils.
The technical scheme that the invention for solving the technical problem adopted is: a kind of main control circuit of frequency conversion electric cooker, the electric cooker heat-generating pipe that comprises plug and be connected with plug, the function indication and the control panel that also comprise the transformer that is connected with plug, the frequency-variable controller that is connected with transformer, are connected with frequency-variable controller, also be connected with bidirectional triode thyristor between described electric cooker heat-generating pipe and the plug, described frequency-variable controller is connected with the control utmost point of bidirectional triode thyristor by pulsewidth modulation (PWM) control signal wire.
Technique scheme also can have following improvement project: described plug is a fuse plug.
The beneficial effects of the utility model are: owing to also comprise the transformer that is connected with plug, the frequency-variable controller that is connected with transformer, the function indication and the control panel that are connected with frequency-variable controller, also be connected with bidirectional triode thyristor between described electric cooker heat-generating pipe and the plug, described frequency-variable controller is connected with the control utmost point of bidirectional triode thyristor by pulsewidth modulation (PWM) control signal wire, cook or during food at pot, change the frequency of different PWM output in the different heating periods by frequency-variable controller, thereby change the angle of flow of bidirectional triode thyristor, the size of the electric current of electric cooker heat-generating pipe is flow through in control, reach the effect that changes heating-up temperature and stew and boil firepower, so the mouthfeel or the taste of meal that the utility model pot boils or food are better; Owing to change size of current in the different caloric value section linearities that adds, the linear heating power that changes, can save electric energy to greatest extent, and can exempt existing electric cooker heat-generating pipe in the big current power dissipation that starts moment, so the utility model is the power and energy saving more, can save 30% electric energy with respect to existing electric cooker.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a circuit structure principle schematic of the present utility model.
The specific embodiment
With reference to Fig. 1, the main control circuit of a kind of frequency conversion electric cooker of the utility model, comprise plug 1 and the electric cooker heat-generating pipe 2 that is connected with plug 1, the function indication and the control panel 5 that also comprise the transformer 3 that is connected with plug 1, the frequency-variable controller 4 that is connected with transformer 3, are connected with frequency-variable controller 4, also be connected with bidirectional triode thyristor 6 between described electric cooker heat-generating pipe 2 and the plug 1, described frequency-variable controller 4 is connected with the control utmost point 61 of bidirectional triode thyristor 6 by pulsewidth modulation (PWM) control signal wire 7.
Technique scheme also can have following improvement project: described plug 1 is fuse plug.
Pulse modulation technology described in the utility model is PWM, its English PulseWidth Modulation by name, be the technology that custom is known, simultaneously, frequency-variable controller, be VFC MCU, MCU is the abbreviation of English Microcontroller Unit, promptly is microcontroller, also is the technology that custom is known, at this, do not do detailed narration.
The utility model is widely used in utilizing the cooker of electric heating heating, for example electric cooker, electric pressure cooking saucepan etc.In addition, the utility model is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with essentially identical means, all should belong to protection domain of the present utility model.
Claims (2)
1. the main control circuit of a frequency conversion electric cooker, comprise plug (1) and the electric cooker heat-generating pipe (2) that is connected with plug (1), it is characterized in that: the function indication and the control panel (5) that also comprise the transformer (3) that is connected with plug (1), the frequency-variable controller (4) that is connected with transformer (3), are connected with frequency-variable controller (4), also be connected with bidirectional triode thyristor (6) between described electric cooker heat-generating pipe (2) and the plug (1), described frequency-variable controller (4) is connected with the control utmost point (61) of bidirectional triode thyristor (6) by pulsewidth modulation (PWM) control signal wire (7).
2. the main control circuit of frequency conversion electric cooker according to claim 1 is characterized in that: described plug (1) is a fuse plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202368084U CN201557983U (en) | 2009-09-29 | 2009-09-29 | Main control circuit of variable-frequency electric rice cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202368084U CN201557983U (en) | 2009-09-29 | 2009-09-29 | Main control circuit of variable-frequency electric rice cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201557983U true CN201557983U (en) | 2010-08-25 |
Family
ID=42623127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202368084U Expired - Fee Related CN201557983U (en) | 2009-09-29 | 2009-09-29 | Main control circuit of variable-frequency electric rice cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201557983U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699471A (en) * | 2012-06-07 | 2012-10-03 | 康奋威科技（杭州）有限公司 | Linear-proportional-control-based cell welding circuit and heating method thereof |
| CN103705104A (en) * | 2013-12-16 | 2014-04-09 | 广西柳州浚业科技有限公司 | Frequency-conversion electric heating pot |
| CN103720341A (en) * | 2013-12-16 | 2014-04-16 | 广西柳州浚业科技有限公司 | Frequency conversion electric heating kettle |
| CN103720342A (en) * | 2013-12-16 | 2014-04-16 | 广西柳州浚业科技有限公司 | Frequency conversion electric heating cup |
-
2009
- 2009-09-29 CN CN2009202368084U patent/CN201557983U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699471A (en) * | 2012-06-07 | 2012-10-03 | 康奋威科技（杭州）有限公司 | Linear-proportional-control-based cell welding circuit and heating method thereof |
| CN103705104A (en) * | 2013-12-16 | 2014-04-09 | 广西柳州浚业科技有限公司 | Frequency-conversion electric heating pot |
| CN103720341A (en) * | 2013-12-16 | 2014-04-16 | 广西柳州浚业科技有限公司 | Frequency conversion electric heating kettle |
| CN103720342A (en) * | 2013-12-16 | 2014-04-16 | 广西柳州浚业科技有限公司 | Frequency conversion electric heating cup |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20110929 |