CN201904952U - Strong light and weak light alternative control circuit - Google Patents
Strong light and weak light alternative control circuit Download PDFInfo
- Publication number
- CN201904952U CN201904952U CN2010206550746U CN201020655074U CN201904952U CN 201904952 U CN201904952 U CN 201904952U CN 2010206550746 U CN2010206550746 U CN 2010206550746U CN 201020655074 U CN201020655074 U CN 201020655074U CN 201904952 U CN201904952 U CN 201904952U
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- bulb
- light
- control circuit
- switch
- resistance
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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 a control circuit, in particular to a strong light and weak light alternative control circuit, which comprises a strong light switch, a weak light switch, a resistor and a bulb, wherein the weak light switch is connected in parallel with the strong light switch after being connected in series with the resistor, and a parallel connection branch circuit is connected with a power supply after being connected in series with the bulb. The bulb is controlled through the arrangement of two circuits, the adjustable brightness of the bulb is realized, the bulb can be applied to various environments, and the strong light and weak light alternative control circuit can more perfectly meet the requirements of people.
Description
Technical field
The utility model relates to a kind of control circuit, relates in particular to a kind of strong light, weak light and replaces control circuit.
Background technology
In the daily life, often use bulb and throw light on, but fix because of wattage of the bulb, its brightness can not be controlled, no matter be outdoor light how, as long as turn on light, just reach same brightness, and be not need too bright light for some environment, light is too bright dazzling easily.Therefore, need a kind of lamp that can control brightness.
Summary of the invention
At the problems referred to above, the utility model provides a kind of strong light, weak light to replace control circuit, is used for controlling bulb, can realize the adjusting of bulb brightness.
This strong light, weak light replaces control circuit, comprises high light switch, Low light switch, resistance and bulb, and with the high light switch in parallel, this parallel branch was connected with power supply with bulb series connection back after Low light switch was connected with resistance.When unlatching high light switch cut out Low light switch, bulb directly connected power supply, and brightness is bigger; When the unlatching Low light switch was closed the high light switch, the resistance branch removed a part of voltage, and the voltage that assign on the bulb this moment is less, and the brightness of bulb reduces; When two switches all cut out, bulb extinguished.
Preferably, the resistance of described resistance R is more than or equal to the resistance of bulb L.Adopt bigger resistance, can effectively reduce the brightness of bulb.
The utility model is controlled bulb by two circuit are set, and has realized that bulb brightness is adjustable, and bulb can be applied in the various environment, more can be fit to people's needs.
Description of drawings
Below in conjunction with accompanying drawing execution mode of the present utility model is described in detail:
Fig. 1 is a circuit diagram of the present utility model;
Embodiment
A kind of strong light, weak light replaces control circuit, comprises high light K switch 1, Low light switch K2, resistance R and bulb L, and is in parallel with high light K switch 1 after Low light switch K2 connects with resistance R, and this parallel branch is connected with power supply with bulb L series connection back.The resistance of described resistance R equals the resistance of bulb L.
Occupation mode is as follows: when unlatching high light K switch 1 was closed Low light switch K2, bulb L directly connected power supply, and brightness is bigger; When unlatching Low light switch K2 closed high light K switch 1, the resistance R branch removed a part of voltage, and the voltage that assign on the bulb L this moment is less, and the brightness of bulb L reduces; When two switches all cut out, bulb L extinguished.
Claims (2)
1. strong light, weak light replaces control circuit, it is characterized in that: comprise high light K switch 1, Low light switch K2, resistance R and bulb L, in parallel with high light K switch 1 after Low light switch K2 connects with resistance R, this parallel branch is connected with power supply with bulb L series connection back.
2. strong light, weak light according to claim 1 replaces control circuit, it is characterized in that: the resistance of described resistance R is more than or equal to the resistance of bulb L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206550746U CN201904952U (en) | 2010-12-13 | 2010-12-13 | Strong light and weak light alternative control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206550746U CN201904952U (en) | 2010-12-13 | 2010-12-13 | Strong light and weak light alternative control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201904952U true CN201904952U (en) | 2011-07-20 |
Family
ID=44275544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206550746U Expired - Fee Related CN201904952U (en) | 2010-12-13 | 2010-12-13 | Strong light and weak light alternative control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201904952U (en) |
-
2010
- 2010-12-13 CN CN2010206550746U patent/CN201904952U/en not_active Expired - Fee Related
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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: 20110720 Termination date: 20111213 |