CN2874314Y - Electromagnetic oven capable of display anti-burning hand mark - Google Patents
Electromagnetic oven capable of display anti-burning hand mark Download PDFInfo
- Publication number
- CN2874314Y CN2874314Y CN 200520121636 CN200520121636U CN2874314Y CN 2874314 Y CN2874314 Y CN 2874314Y CN 200520121636 CN200520121636 CN 200520121636 CN 200520121636 U CN200520121636 U CN 200520121636U CN 2874314 Y CN2874314 Y CN 2874314Y
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- CN
- China
- Prior art keywords
- electromagnetic oven
- amplifier
- hand mark
- burning
- face plate
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- 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 an electromagnetic oven displaying hot mark belonging to electromagnetic oven field of household appliances. The electromagnetic oven comprises a low voltage circuit, a switching filter circuit, a testing circuit, drive circuit, a heating plate, a temperature sensor and a SCM. SCM signal is connected by base electrode of amplifier. Emitter electrode of amplifier is grounded. Collector electrode of amplifier is connected with nixie tube with hot mark. Another end of nixie tube is connected with positive pole of 5V power supply. The nixie tube is arranged on the bottom of electromagnetic oven face plate. The hot mark pattern is hand contour line and oblique line inside ring. When the face plate temperature of electromagnetic oven reaches over 400 Celsius system , apparent ''hot mark'' will be displayed on the face plate of electromagnetic oven to remind the people not to touch the face plate. The utility model has the advantages of easy manufacturing, low cost, remarkable social beneficial and easy for promotion.
Description
Technical field
The utility model belongs to electromagentic furnace technology field in the household electrical appliance, just a kind of electromagnetic oven that can show " anti-burning hand mark ".
Background technology
The production of electromagnetic oven, use were undergoing an unusual development swift and violent in recent years, function and quality are improving constantly, bring great convenience for vast consumer, but, blemish in an otherwise perfect thing be after electromagnetic oven work a period of time, because heat-generating disc constantly is converted into heat energy with electric energy, cause electromagnetic oven panel also constantly because heat absorption and temperature constantly raises, bring misery and inconvenience with regard to being easy to scald people's health when reaching 40 degree when above.
Summary of the invention
After the purpose of this utility model just provides a kind of panel heat absorption when electromagnetic oven and reaches certain temperature, can demonstrate a kind of anti-sign that scalds one's hand on the panel of electromagnetic oven automatically, note trying not when operating hand or Body contact electromagnetic oven panel with reminds people.
The utility model is achieved in that the electromagnetic oven that can show anti-burning hand mark, by low-voltage circuit, current rectifying and wave filtering circuit, testing circuit, drive circuit, heat-generating disc, temperature sensor, single-chip microcomputer is formed, wherein: single-chip microcomputer RA3 draws the base stage that signal meets amplifier Q11, the grounded emitter of amplifier Q11, the colelctor electrode of amplifier Q11 is taken over control the sign display unit that scalds one's hand, the positive pole of another termination 5V power supply of anti-burning hand mark display unit, the anti-burning hand mark display unit is the charactron M that is shaped as anti-burning hand mark, and the charactron M that is shaped as anti-burning hand mark is installed in the bottom of electromagnetic oven panel temperature measurement fraction 1.
Excellent part of the present utility model and good effect are:
1, reaches 40 degree when above when the panel temperature of electromagnetic oven, on the panel of electromagnetic oven, can demonstrate significantly " anti-burning hand mark " automatically, note trying not when operating with hand or Body contact electromagnetic oven panel, will bring into play positive effect preventing to scald with reminds people.
2, the utility model is made easily, and cost is low, and obvious social benefit is convenient to popularize.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model,
Fig. 2 is circuit theory diagrams of the present utility model,
Fig. 3 is with the display position figure of the utility model anti-burning hand mark on electromagnetic oven panel:
Among the figure: 1-electromagnetic oven panel temperature measurement fraction (except that heat-generating disc position, center),
The show state of 2-anti-burning hand mark on electromagnetic oven.
The specific embodiment
Below in conjunction with accompanying drawing is that the utility model is further described:
Embodiment 1, referring to Fig. 1-Fig. 3: the electromagnetic oven that can show anti-burning hand mark, by low-voltage circuit, current rectifying and wave filtering circuit, testing circuit, drive circuit, heat-generating disc, temperature sensor, single-chip microcomputer is formed, wherein: single-chip microcomputer RA3 draws the base stage that signal meets amplifier Q11, the grounded emitter of amplifier Q11, the colelctor electrode of amplifier Q11 is taken over control the sign display unit that scalds one's hand, the positive pole of another termination 5V power supply of anti-burning hand mark display unit, the anti-burning hand mark display unit is the charactron M that is shaped as anti-burning hand mark, and the charactron M that is shaped as anti-burning hand mark is installed in the bottom of electromagnetic oven panel 1.
The pattern of the charactron M of above-mentioned anti-burning hand mark 2 is the outline line that hand is arranged in the circle, on the outline line of the hand in circle oblique line is arranged.
The displays temperature of above-mentioned anti-burning hand mark is that electromagnetic oven panel 1 reaches more than 40 degree.
Above-mentioned anti-burning hand mark 2 can be any figure or symbol, and anti-burning hand mark 2 can be arranged on the demonstration Anywhere on the panel; Panel 1 is for being provided with the transparent panel of background color (black) layer, and during the charactron M no power of anti-burning hand mark, pattern-free shows on the panel 1, during the charactron M energising of anti-burning hand mark, brighter (colour) pattern displaying is arranged on the panel 1.
Operation principle: the displays temperature of setting anti-burning hand mark is 40 degree and above temperature, when electromagnetic oven is not worked or has just been started working, because the temperature on the electromagnetic oven panel 1 lower (less than 40 degree) can not scald one's hand, the detected data of temperature sensor do not reach the single-chip microcomputer setting value, so the output pin RA3 of single-chip microcomputer is a low level, amplifier Q11 is in off position, thereby the anti-burning hand mark display unit does not show; Lengthening along with the electromagnetic oven working time, the temperature of electromagnetic oven panel can reach the hot temperature that is equal to or greater than 40 degree, when the detected data of temperature sensor reach the single-chip microcomputer setting value (displays temperature of anti-burning hand mark 2 is 40 degree), the output pin RA3 of single-chip microcomputer is a high level, Q11 is in running order, thereby the anti-burning hand mark display unit is shown, the purpose of noting when reaching the reminds people operation trying not with hand or Body contact electromagnetic oven panel.
Claims (1)
1, the electromagnetic oven that can show anti-burning hand mark, by low-voltage circuit, current rectifying and wave filtering circuit, testing circuit, drive circuit, heat-generating disc, temperature sensor, single-chip microcomputer is formed, it is characterized in that drawing the base stage that signal meets amplifier (Q11) at single-chip microcomputer (RA3), the grounded emitter of amplifier (Q11), the colelctor electrode of amplifier (Q11) is taken over control the sign display unit that scalds one's hand, the positive pole of another termination 5V power supply of anti-burning hand mark display unit, the anti-burning hand mark display unit is the charactron (M) that is shaped as anti-burning hand mark, and the charactron (M) that is shaped as anti-burning hand mark is installed in the bottom of electromagnetic oven panel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520121636 CN2874314Y (en) | 2005-12-31 | 2005-12-31 | Electromagnetic oven capable of display anti-burning hand mark |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520121636 CN2874314Y (en) | 2005-12-31 | 2005-12-31 | Electromagnetic oven capable of display anti-burning hand mark |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2874314Y true CN2874314Y (en) | 2007-02-28 |
Family
ID=37780913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520121636 Expired - Fee Related CN2874314Y (en) | 2005-12-31 | 2005-12-31 | Electromagnetic oven capable of display anti-burning hand mark |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2874314Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574698A (en) * | 2012-08-07 | 2014-02-12 | 博西华电器（江苏）有限公司 | Gas stove and control method thereof |
| CN106402959A (en) * | 2016-12-02 | 2017-02-15 | 合肥龙多电子科技有限公司 | Intelligent induction cooker control panel |
| CN108006781A (en) * | 2017-12-04 | 2018-05-08 | 湖北中瑞天恒节能科技发展有限公司 | A kind of safe cooking utensils of burn prevention |
| CN109084336A (en) * | 2018-06-26 | 2018-12-25 | 广东美的厨房电器制造有限公司 | Gas-cooker |
-
2005
- 2005-12-31 CN CN 200520121636 patent/CN2874314Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574698A (en) * | 2012-08-07 | 2014-02-12 | 博西华电器（江苏）有限公司 | Gas stove and control method thereof |
| CN106402959A (en) * | 2016-12-02 | 2017-02-15 | 合肥龙多电子科技有限公司 | Intelligent induction cooker control panel |
| CN108006781A (en) * | 2017-12-04 | 2018-05-08 | 湖北中瑞天恒节能科技发展有限公司 | A kind of safe cooking utensils of burn prevention |
| CN109084336A (en) * | 2018-06-26 | 2018-12-25 | 广东美的厨房电器制造有限公司 | Gas-cooker |
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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: LUOBEI GUANGDONG ELECTRONIC TECHNOLOGY CO. Free format text: FORMER OWNER: DONGGUAN LEBANG ELECTRONIC CO., LTD. Effective date: 20080704 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080704 Address after: No. 19 Productivity Promotion Center, Songshan Lake Science and Technology Industrial Park, Guangdong, Dongguan Province: 523808 Patentee after: Guangdong Luby Electronic Co., Ltd. Address before: No. 308, Xinfeng Road, Shijie Town, Guangdong City, Dongguan Province, China: 523305 Patentee before: Dongguan Lebang Electronics Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070228 Termination date: 20141231 |
|
| EXPY | Termination of patent right or utility model |