CN1904485A - Power regulatable microwave oven and its control method - Google Patents
Power regulatable microwave oven and its control method Download PDFInfo
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- CN1904485A CN1904485A CN 200510014594 CN200510014594A CN1904485A CN 1904485 A CN1904485 A CN 1904485A CN 200510014594 CN200510014594 CN 200510014594 CN 200510014594 A CN200510014594 A CN 200510014594A CN 1904485 A CN1904485 A CN 1904485A
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Abstract
This invention provides a kind of microwave oven which can adjust the power. It includes the microwave oven electricity control room which connects with the power. In the electricity control room there set the high-voltage transformer and one relay connecting with the high-voltage transformer. In the stated high-voltage transformer there set two carryout terminals, and they connect with another relay. The two stated relays both connect with the power. This invention also provides a method which adjustable power microwave oven controls the relays' work. The result of this invention is realizing two different output powers and making the collision electric current minimum. This effect is on the base of original microwave oven control circuit and its control manner. This makes microwave oven have two kinds of choices of the output power. And it has a relay control method when microwave oven converts the power to make the electric current minimum.
Description
Technical field
The present invention relates to a kind of micro-wave oven and control method thereof of adjustable power.
Background technology
Micro-wave oven is the equipment of cooking food easily to connect power supply, to utilize the microwave action that produces.Particularly recently except magnetron, also be provided with heating sources such as heating element, multiple cooking method occurred, that is, and the heat that produces in the recycling heating element and carry out the cooking method, or the position of control heater and method of arranging etc.
Fig. 1 is local control circuit's schematic diagram of existing micro-wave oven.That is, existing micro-wave oven is to be divided into lower member substantially constituting, that is, body of heater, it is forming whole outward appearance.Cooking room, portion is carrying out whole cooking cooking process within it.Electric control chamber, its inside is being provided with various electric components.Wherein, at present the micro-wave oven of producing has only a kind of power, and as shown in Figure 1, the high-tension transformer in the circuit has only an output, therefore, does not satisfy client and makees firepower needs when arranging.
Summary of the invention
For solving the problem that exists in the above-mentioned technology, the micro-wave oven that the purpose of this invention is to provide a kind of adjustable power makes for achieving the above object, and the technical solution used in the present invention is
The power of micro-wave oven has two kinds of power outputs; The minimized means of relay controlling of dash current that produces when also providing simultaneously for transfer power in cooking is used.
For achieving the above object, the technical solution used in the present invention provides a kind of micro-wave oven of adjustable power, include the microwave oven electric control chamber that is connected with power supply, a relay that is provided with high-tension transformer in the electric control chamber and is connected with high-tension transformer, wherein: in described high-tension transformer, be provided with two outputs, and being connected with another relay, described two relays all are electrically connected with power supply.
A kind of method for controlling microwave oven of adjustable power also is provided, and this method may further comprise the steps:
When 1. beginning to arrange relay 2 closures the time, with a kind of power output 5 work;
2. at certain initial point, in the time of appointment, have under other duty conditions, need convert output 4 end work to, at this moment in order to minimize because the dash current that causes of relay switch, when exporting 4 work, earlier after relay 2 disconnections, cross behind several ms again relay 3 closures, make switch in output 4;
3. then, relay 2 closures after the regular hour of delaying make high-tension transformer 6 work, convert output 4 work to.
Effect of the present invention is on the basis of original controlling circuit of microwave oven and its control mode, reaches a micro-wave oven and can realize two kinds of different power outputs and dash current is minimized.Make
The power of micro-wave oven has the selection of two kinds of power outputs, the minimized means of relay controlling of dash current that produces during for transfer power in micro-wave oven work.
Description of drawings
Fig. 1 is local control circuit's schematic diagram of existing micro-wave oven;
Fig. 2 is local control circuit's schematic diagram of micro-wave oven of the present invention;
Fig. 3 is the control circuit flow chart of micro-wave oven of the present invention.
Among the figure:
1, power supply 2,3, relay 4,5, output 6, high-tension transformer
The specific embodiment
Reaching embodiment in conjunction with the accompanying drawings is illustrated the micro-wave oven and the control method thereof of adjustable power of the present invention.
The positive right side of face of general micro-wave oven is provided with guidance panel, has knob, various button and display on guidance panel, is used to regulate the work of micro-wave oven.Though diagram at the rear of guidance panel, is not provided with the electric control chamber that is connected with power supply, described electric control chamber is used to install the various electronic devices of micro-wave oven.
As shown in Figure 2, a relay 2 that is provided with high-tension transformer 6 in the described electric control chamber and is connected with high-tension transformer, be provided with two outputs in described high-tension transformer 6, and be connected with another relay 3, a described relay 2 and another relay 3 all are electrically connected with power supply 1.So just formed the micro-wave oven of adjustable power of the present invention, in micro-wave oven, made high-tension transformer 6 output have two kinds of output levels, promptly exported 4 and output 5, be more convenient for using.
As shown in Figure 3, the method for controlling microwave oven of described adjustable power is changed in the cooking process in the power output, can be the minimized a kind of means of relay controlling of dash current that produces.
The method for controlling microwave oven of adjustable power of the present invention may further comprise the steps:
When beginning to arrange relay 2 closures the time, with a kind of power output 5 work.
At certain initial point, as the time of appointment, have under other duty conditions, need convert output 4 end work to, at this moment, the method for switching of relay 2 is implemented according to the flow chart on Fig. 3 in order to minimize the dash current that causes owing to relay switch.
Shown in Fig. 2,3, to export for 4 whens work, earlier relay 2 is disconnected the back when needing the conversion power output and cross behind several ms again relay 3 closures, switch is being exported on 4.
Then, relay 2 closures make high-tension transformer 6 work after the extension regular hour.
The reason that gives certain hour here is in order to eliminate because the relict flux amount of output on coils of high-voltage transformers before.
Generally speaking, the relict flux amount can cause dash current, so this just reduces the method for dash current.
Claims (2)
1, a kind of micro-wave oven of adjustable power, include the microwave oven electric control chamber that is connected with power supply, a relay that is provided with high-tension transformer in the electric control chamber and is connected with high-tension transformer, it is characterized in that: in described high-tension transformer (6), be provided with two outputs, and being connected with another relay (3), a described relay (2) and another relay (3) all are electrically connected with power supply (1).
2, a kind of method for controlling microwave oven of adjustable power, the step of this method comprises:
When relay when 1. beginning to arrange (2) is closed, with a kind of power output (5) work;
2. at certain initial point, in the time of appointment, have under other duty conditions, need convert output (4) end work to, at this moment in order to minimize the dash current that causes owing to relay switch, with output (4) work the time, after earlier relay (2) being disconnected, cross behind several ms again relay (3) closure, make switch in output (4);
3. then, relay (2) closure after the regular hour of delaying makes high-tension transformer (6) work, converts output (4) work to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510014594 CN1904485A (en) | 2005-07-25 | 2005-07-25 | Power regulatable microwave oven and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510014594 CN1904485A (en) | 2005-07-25 | 2005-07-25 | Power regulatable microwave oven and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1904485A true CN1904485A (en) | 2007-01-31 |
Family
ID=37673798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510014594 Pending CN1904485A (en) | 2005-07-25 | 2005-07-25 | Power regulatable microwave oven and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1904485A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102088802A (en) * | 2010-11-11 | 2011-06-08 | 美的集团有限公司 | Microwave tube starting impact current reduction control device and control method for microwave oven |
| CN104034738A (en) * | 2014-06-24 | 2014-09-10 | 黑龙江工程学院 | Laboratory microwave deicing instrument |
-
2005
- 2005-07-25 CN CN 200510014594 patent/CN1904485A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102088802A (en) * | 2010-11-11 | 2011-06-08 | 美的集团有限公司 | Microwave tube starting impact current reduction control device and control method for microwave oven |
| CN102088802B (en) * | 2010-11-11 | 2013-03-27 | 美的集团股份有限公司 | Control device and method for reduction of inrush starting current of microwave tube in microwave oven |
| CN104034738A (en) * | 2014-06-24 | 2014-09-10 | 黑龙江工程学院 | Laboratory microwave deicing instrument |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |