CN201078610Y - Light-operated small night lamp - Google Patents
Light-operated small night lamp Download PDFInfo
- Publication number
- CN201078610Y CN201078610Y CNU2007200752600U CN200720075260U CN201078610Y CN 201078610 Y CN201078610 Y CN 201078610Y CN U2007200752600 U CNU2007200752600 U CN U2007200752600U CN 200720075260 U CN200720075260 U CN 200720075260U CN 201078610 Y CN201078610 Y CN 201078610Y
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- CN
- China
- Prior art keywords
- light
- cover
- circuit
- night
- control circuit
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a light-control night light comprising a lampshade, a light source and a lamp holder arranged inside the lampshade, which is characterized in that: the night light also comprises a light control circuit mainly composed of a photoresistance and an amplifier as well as a power supply circuit used for energizing the light control circuit and the light source. The lamp holder is provided with a transparent region which is provided with a movable hood capable of covering or exposing the transparent region; the photoresistance of the light control circuit is arranged in the transparent region of the lamp holder. The structure of the movable hood adopted on the lampshade can control the light area by manually rotating the movable hood in the way of covering or uncovering the photoresistance to control the make-and-break of the circuit: when covering the photoresistance, the circuit is normal-open circuit, while uncovering the photoresistance, the make-and-break of the circuit is controlled by the intensity of the natural lighting, thus automatically controlling the lightening and switching off of the night light.
Description
Technical field
The utility model relates to a kind of mini light night, relates in particular to a kind of Light-operated night lamp.
Background technology
Be that action is convenient in night, generally in the guest room in hotel and house decoration, all can adopt mini light night.Existing mini light night is to adopt low power bulb to constitute, be connected with power supply during use, or between be inserted on the attaching plug.This mini light night is to adopt the Artificial Control mini light night whether to light.Though can play the effect of floor light at night and since be Artificial Control its light or close, it is inconvenient that the user still feels.
Summary of the invention
The purpose of this utility model is in order to overcome the above-mentioned shortcoming that prior art exists, and provide a kind ofly control the Light-operated night lamp that mini light night is lighted or closed by light.
The technical scheme that the utility model is taked is: Light-operated night lamp, comprise lampshade, be located at light source, lamp socket in the lampshade, it is characterized in that, also comprise a light-operated circuit of mainly forming by photo resistance and amplifier and the power circuit that is used to described light-operated circuit and light source power supply;
Described lamp socket is provided with a transparent region, which is provided with a mobile cover that can cover or expose this transparent region; The photo resistance of described light-operated circuit is arranged in the transparent region of lamp socket.
Above-mentioned Light-operated night lamp wherein, is positioned at the position that can cover transparent region and is provided with guide groove on the described lamp socket, two opposed side edges of described mobile cover are provided with chimb, described chimb is embedded in the described guide groove and moves, and covers or exposes this transparent region, thereby cover or do not cover photo resistance.
Above-mentioned Light-operated night lamp, wherein, described light-operated circuit also comprises a divider resistance, is in series with described photo resistance; Described input is connected with the tie point that described divider resistance and photo resistance are in series.
Above-mentioned Light-operated night lamp, wherein, the amplifier of described light-operated circuit is a dual-stage amplifier.
Above-mentioned Light-operated night lamp, wherein, described power circuit comprises that mainly a bridge rectifier and is connected in parallel on the voltage-stabiliser tube of bridge rectifier output.
Above-mentioned Light-operated night lamp, wherein, described light source is the LED diode lights.
Above-mentioned Light-operated night lamp, wherein, described lampshade is translucent at material, light-permeable.
Above-mentioned Light-operated night lamp, wherein, the material of described lamp socket and mobile cover is opaque.
Because the utility model has adopted above technical scheme, employing increases a light-operated circuit and a power circuit on original mini light night basis, and lamp socket is provided with transparent region, photo resistance is set in it, and be provided with mobile cover thereon, by moving this mobile cover, cover or do not cover photo resistance, reach the purpose that automatic control and Artificial Control mini light night are lighted or closed.
Description of drawings
Concrete structure of the present utility model is further provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the overall structure schematic diagram of the utility model Light-operated night lamp.
Fig. 2 is the electrical schematic diagram of the embodiment of the power circuit of the utility model Light-operated night lamp and light-operated circuit.
The specific embodiment
See also Fig. 1.The utility model Light-operated night lamp, comprise the light-permeable that constitutes by trnaslucent materials lampshade 1, be located at light source D1 in the lampshade, be used to be provided with the lamp socket 2 of light source, be provided with plug 3 in the bottom of lamp socket.In lamp socket 2, also be provided with a light-operated circuit 6 of mainly forming by photo resistance and amplifier and the power circuit 7 (please cooperate) that is used to described light-operated circuit and light source power supply referring to Fig. 2.Described lamp socket is made of opaque material, which is provided with a transparent region 4, and described photo resistance is positioned at this transparent region 4.On transparent region 4, also be provided with a mobile cover 5 that can cover or expose this transparent region.Be positioned at the position that can cover transparent region on the described lamp socket and be provided with a pair of guide groove, the mobile cover both sides are provided with chimb, and the chimb of mobile cover both sides is embedded in the described guide groove and moves, and cover or expose this transparent region.In the present embodiment owing to be arranged to the top of lamp socket 2 bowl-shape, its oral area cover cap has lampshade 1, for ease of operation and attractive in appearance, the mobile cover of present embodiment adopts rotary, its structure is: be respectively equipped with a guide groove 11,12 in the bottom of lamp socket 2 and the end face of lampshade 1, described mobile cover can partly coat lamp socket and lampshade, two opposed side edges of this mobile cover are provided with chimb 51,52, described chimb is embedded in the described guide groove and moves, cover or expose described transparent region 4, thereby cover or do not cover photo resistance.Described light source D1 is the LED diode lights.
See also Fig. 2.The light-operated circuit 6 of the utility model Light-operated night lamp is mainly formed by photo resistance CDS with by the triode Q1 of two series connection, the amplifier that Q2 constitutes; The photo resistance CDS of described light-operated circuit is arranged in the transparent region of lamp socket, and described mobile cover can cover or not cover photo resistance CDS.
The described light-operated circuit 6 of the utility model Light-operated night lamp also comprises a divider resistance R3, and this divider resistance R3 and described photo resistance CDS are in series, and its tie point connects amplifier input terminal.
The described power circuit 7 of the utility model Light-operated night lamp is used to described light-operated circuit and light source power supply.This power circuit 7 comprises that mainly a bridge rectifier DB and is connected in parallel on the voltage-stabiliser tube D2 of bridge rectifier output.Input at circuit also is connected in series a safety capacitor C.
The operation principle of power circuit of the present utility model is: alternating current 220V AC passes through bridge rectifier again after the step-down of safety capacitor C, and the direct current that obtains pulsing is by providing galvanic current to press after the voltage-stabiliser tube D2 voltage stabilizing.
The operation principle of light-operated circuit of the present utility model is: when extraneous light is dark or mobile cover when covering photo resistance, the photo resistance resistance increases, because of itself and R3 form bleeder circuit, so voltage drop increases in the photo resistance, when being worth greater than certain, triode Q1 conducting, and then make also conducting of triode Q2.DC voltage is given light emitting diode D1 power supply by triode Q2 conducting, lights LED lamp D1.
The utility model can be controlled light-emitting zone by hand rotation mobile cover (the also removable mobile cover of laying down when needing) mode owing to adopt mobile cover structure removable, rotation on lampshade.Cover and do not cover the break-make of the mode control circuit of photo resistance by mobile cover: covering under the situation of photo resistance is the normal open circuit, and under the situation that does not cover photo resistance, connecting and disconnecting of the circuit is by the power control of available light.Play the effect that automatic control mini light night is lighted and closed.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200752600U CN201078610Y (en) | 2007-09-29 | 2007-09-29 | Light-operated small night lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200752600U CN201078610Y (en) | 2007-09-29 | 2007-09-29 | Light-operated small night lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201078610Y true CN201078610Y (en) | 2008-06-25 |
Family
ID=39570673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200752600U Expired - Lifetime CN201078610Y (en) | 2007-09-29 | 2007-09-29 | Light-operated small night lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201078610Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864724A (en) * | 2016-05-19 | 2016-08-17 | 张传开 | Rotatable shading lamp holder |
| CN106376150A (en) * | 2015-07-22 | 2017-02-01 | 山东骏风电子有限公司 | Balance breathing lamp |
-
2007
- 2007-09-29 CN CNU2007200752600U patent/CN201078610Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106376150A (en) * | 2015-07-22 | 2017-02-01 | 山东骏风电子有限公司 | Balance breathing lamp |
| CN105864724A (en) * | 2016-05-19 | 2016-08-17 | 张传开 | Rotatable shading lamp holder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080625 |