CN2687537Y - Lighting lamp control device for microwave oven - Google Patents
Lighting lamp control device for microwave oven Download PDFInfo
- Publication number
- CN2687537Y CN2687537Y CN 200420044584 CN200420044584U CN2687537Y CN 2687537 Y CN2687537 Y CN 2687537Y CN 200420044584 CN200420044584 CN 200420044584 CN 200420044584 U CN200420044584 U CN 200420044584U CN 2687537 Y CN2687537 Y CN 2687537Y
- Authority
- CN
- China
- Prior art keywords
- switch
- lighting lamp
- illuminating lamp
- microwave oven
- control device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a lighting lamp control device for the microwave oven, comprising a time switch K1, a lighting lamp EL, and an interlock switch K2. The interlock switch K2 is a two-way reversing switch which is provided with three terminals; the time switch K1 is connected in parallel to two of the three terminals of the interlock switch K2, and then connected to one end of the lighting lamp EL; the other end of the lighting lamp EL is connected to the other terminal of the interlock switch K2. Compared with the prior art, because a normally closed switch is removed from the utility model, not only the control is simple and the cost is saved, but also the use reliability is high.
Description
Technical field
The utility model is a kind of lighting of microwave oven lamp control device, belongs to the renovation technique of lighting of microwave oven lamp control device.
Background technology
Existing commercially available microwave illuminating lamp control circuit generally comprises the normally closed switch of clock switch, interlocking switch, control illuminating lamp.When micro-wave oven uses, fire door is closed, the interlocking switch closure, the normally closed switch action (being off-state) of control illuminating lamp, illuminating lamp extinguishes, and the rotational time switch makes its closure again, and elements such as transformer and timing motor are started working, because the live wire of illuminating lamp is directly connected on the clock switch, illuminating lamp energising lamp is bright; Open fire door, interlock switch disconnects, and transformer and timing motor quit work, normally closed switch returns to normal (closure state), and illuminating lamp energising lamp is bright, though foregoing circuit can effectively be controlled the power on/off of micro-wave oven lighting, but need the normally closed switch of a control illuminating lamp, cost is higher.
The utility model content
The purpose of this utility model is to provide a kind of can reduce by a normally closed switch, saves cost, and control is simple, the lighting of microwave oven lamp control device that dependability is high.
The technical scheme that realizes the utility model purpose is: it comprises clock switch K1, illuminating lamp EL, interlocking switch K2, interlocking switch K2 is the two-way reversing switch that three end points are arranged, clock switch K1 is connected in parallel on wherein being connected with illuminating lamp EL one end behind two end points of interlocking switch K2, and the other end of illuminating lamp EL is connected with the other end of interlocking switch K2.
The utility model compared with prior art its beneficial effect is: owing to reduce by a normally closed switch, not only control is simple, the saving cost, and the dependability height.
Description of drawings
Fig. 1 is connected circuit diagram in the micro-wave oven for the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described further.
As shown in Figure 1, the utility model includes clock switch K1, illuminating lamp EL, interlocking switch K2, interlocking switch K2 is the two-way reversing switch that three end points 1,2,3 are arranged, clock switch K1 is connected with illuminating lamp EL one end with end points 1,2 backs in parallel of interlocking switch K2, and the other end of illuminating lamp EL is connected with the end points 3 of interlocking switch K2.
When the utility model uses, after door of microwave oven is closed, interlock switch end points 1 and end points 3 closures, when clock switch K1 was in off-state, illuminating lamp EL lamp extinguished, rotational time K switch 1 makes its closure, illuminating lamp EL lamp is bright, opens door of microwave oven, end points 1 and end points 2 closures of interlock switch K2, this moment, no matter whether clock switch K1 disconnected, and illuminating lamp all can be lighted.Therefore the utility model compared with prior art need not to be provided with the normally closed switch of illuminating lamp.
Claims (1)
1, a kind of lighting of microwave oven lamp control device, it comprises clock switch K1, illuminating lamp EL, interlocking switch K2, it is characterized in that interlocking switch K2 is for there being the two-way reversing switch of three end points (1), (2), (3), wherein two end points (1), (2) back that clock switch K1 is connected in parallel on interlocking switch K2 are connected with illuminating lamp EL one end, and the other end of illuminating lamp EL is connected with another end points (3) of interlocking switch K2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420044584 CN2687537Y (en) | 2004-04-12 | 2004-04-12 | Lighting lamp control device for microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420044584 CN2687537Y (en) | 2004-04-12 | 2004-04-12 | Lighting lamp control device for microwave oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2687537Y true CN2687537Y (en) | 2005-03-23 |
Family
ID=34671953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420044584 Expired - Fee Related CN2687537Y (en) | 2004-04-12 | 2004-04-12 | Lighting lamp control device for microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2687537Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101896020A (en) * | 2010-07-15 | 2010-11-24 | 美的集团有限公司 | Automatic power-off device of microwave oven and control method thereof |
-
2004
- 2004-04-12 CN CN 200420044584 patent/CN2687537Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101896020A (en) * | 2010-07-15 | 2010-11-24 | 美的集团有限公司 | Automatic power-off device of microwave oven and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FOSHAN MEDIA DAILYELECTRIC APPLIANCE GROUP CO.,LT Free format text: FORMER OWNER: MEIDI GROUP CO LTD, GUANGDONG Effective date: 20050805 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20050805 Address after: 528311 Penglai Road, Beijiao Town, Shunde District, Guangdong, Foshan Patentee after: Meidi Daily electrical Appliances Co., Ltd., Foshan City Address before: 528311 Penglai Road, Beijiao Town, Shunde District, Guangdong, Foshan Patentee before: Meidi Group Co., Ltd., Guangdong |
|
| ASS | Succession or assignment of patent right |
Owner name: FOSHAN MEDIA DAILYELECTRIC APPLIANCE GROUP CO.,LT Free format text: FORMER OWNER: MEIDI GROUP CO LTD, GUANGDONG Effective date: 20050819 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20050819 Address after: 528311 Penglai Road, Beijiao Town, Shunde District, Guangdong, Foshan Patentee after: Meidi Daily electrical Appliances Co., Ltd., Foshan City Address before: 528311 Penglai Road, Beijiao Town, Shunde District, Guangdong, Foshan Patentee before: Meidi Group Co., Ltd., Guangdong |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050323 Termination date: 20130412 |