CN105351806B - The desk lamp that illuminance automatically adjusts - Google Patents
The desk lamp that illuminance automatically adjusts Download PDFInfo
- Publication number
- CN105351806B CN105351806B CN201510913620.9A CN201510913620A CN105351806B CN 105351806 B CN105351806 B CN 105351806B CN 201510913620 A CN201510913620 A CN 201510913620A CN 105351806 B CN105351806 B CN 105351806B
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- Prior art keywords
- led
- inner cover
- transistor
- cover
- outer cover
- Prior art date
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000005452 bending Methods 0.000 claims abstract description 8
- 239000013078 crystal Substances 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000005286 illumination Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004438 eyesight Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S6/00—Lighting devices intended to be free-standing
- F21S6/002—Table lamps, e.g. for ambient lighting
- F21S6/003—Table lamps, e.g. for ambient lighting for task lighting, e.g. for reading or desk work, e.g. angle poise lamps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
Abstract
This patent discloses the desk lamp that a kind of illuminance automatically adjusts, to solve the problems, such as that existing desk lamp can not be adjusted according to light intensity.The desk lamp that illuminance automatically adjusts,Including lampshade,Lampshade includes inner cover,In the outer surface of inner cover, the circumference along inner cover is equipped with some raised lines,Some telescopic pull bars are evenly equipped with the lower surface of inner cover,The outside of inner cover is provided with outer cover,The lower surface of outer cover is less than the lower surface of inner cover,The inner surface of outer cover is provided with some and chute of raised line clamping,The length of chute is more than the length of raised line,The lower surface of outer cover bends inwards to form bending ring,The lower end of pull bar is fixed with bending ring,Lamp holder includes the first LED being arranged on pedestal,Second LED and the 3rd LED,The brightness of second LED is more than the 3rd LED,When ambient light is adapted to read-write,First LED and the 3rd LED are bright,When ambient light is dark,First LED and the second LED are bright,Pull bar drives outer cover to be upwards collected through along the raised line of inner cover simultaneously.
Description
Technical field
The present invention relates to LED technology field, and in particular to the desk lamp that a kind of illuminance automatically adjusts.
Background technology
LED, namely light emitting diode, it is a kind of solid state semiconductor devices that can convert electrical energy into visible ray, with
The progress and people's living standards continue to improve, LED for science and technology are widely applied in our daily life,
Largely change traditional lighting system.LED has the advantage that good heat dissipation effect, service life are long, save.But with
The improvement of people's quality of life, people are to the function of illumination it is also proposed that requirement that can be higher, people generally wish illuminator
It can develop towards the direction of intellectuality, hommization, functional diversities, but deficiency existing for existing LED is：1. illuminance without
Method is adjusted according to the power of ambient light, thus poor to the protecting effect of people's eyesight；The lamp holder of 2.LED lamps is typically
It is directly threadedly attached on lamp socket, in the case where ambient light is weaker, the angle of lamp holder can not be adjusted as needed.
The content of the invention
The desk lamp automatically adjusted the invention is intended to provide a kind of illuminance, can not be according to light intensity to solve existing desk lamp
The problem of being adjusted.
The desk lamp that illuminance in this programme automatically adjusts, including lamp holder, the lamp for the one end open being arranged on outside lamp holder
Cover, the pedestal for installing lamp holder, the vertical fluorescent tube being connected with pedestal and the lamp socket for being connected to fluorescent tube bottom, lampshade include interior
Cover, in the outer surface of inner cover, the circumference along inner cover is equipped with some raised lines, is evenly equipped with the lower surface of inner cover some telescopic
Pull bar, the outside of inner cover are provided with outer cover, and the lower surface of outer cover is less than the lower surface of inner cover, the inner surface of outer cover be provided with it is some with it is convex
The chute of bar clamping, the length of chute are more than the length of raised line, and the lower surface of outer cover bends inwards to form bending ring, under pull bar
End is fixed with bending ring, and described lamp holder includes the first LED, the second LED and the 3rd LED being arranged on pedestal, the
The brightness of two LEDs is more than the 3rd LED, and when ambient light is adapted to read-write, the first LED and the 3rd LED are bright, ambient light
When dark, the first LED and the second LED are bright, while pull bar drives outer cover to be upwards collected through along the raised line of inner cover.
The advantage of the invention is that：When ambient light is adapted to read-write, the first LED and the 3rd LED are bright, and outer cover is in
Minimum normal position, cover more light；And when ambient light is secretly not suitable for people's read-write, the first LED and second
LED is bright, while pull bar stretches, and drives outer cover to be upwards collected through along the raised line of inner cover, blocks minimum light, make indoor illumination
Spend stronger.Pull bar is set, and by the cooperation of raised line and chute, it is moved when outer cover is packed up or is put down and plays guiding
Effect.The present invention can be according to the power of toroidal ray, and by opening different LEDs, the mode for packing up or putting down outer cover is automatic
Illuminance in regulation room, have the function that to protect people's eyesight, design is more humane, possesses popularization practicality.
Further, inner cover is threadedly coupled with pedestal, the first LED, the second LED and the 3rd LED with pedestal ball pivot
Connection.Inner cover is threadedly coupled with pedestal, and inner cover is dismantled when conveniently needing, due to three LEDs be all ball pivot on pedestal, because
, according to the needs of people, the angle of three LEDs is all adjustable for this.
Further, cover lid has been can be threaded connection with the outside of the first LED, the second LED and the 3rd LED.When certain
Individual LED when not in use, can by its with cover housing, prevent without using LED on full of dirt, light is influenceed when reusing
Illumination.
Further, in addition to for controlling the first LED, the second LED and the light adjusting circuit of the 3rd LED, light modulation electricity
Road includes the first LED, and the positive pole of the first LED is connected with first resistor one end, the first resistor other end respectively with photosensitive electricity
Resistance one end, second resistance one end, 3rd resistor connect with the 4th resistance one end, the negative pole of the first LED respectively with first crystal
The emitter stage of triode, the emitter stage of the second transistor, the 3rd transistor emitter stage connection, photo resistance it is another
The base stage of first crystal triode is accessed in one end, the colelctor electrode of first crystal triode respectively with the second resistance other end and second
The base stage connection of transistor, the colelctor electrode of the second transistor negative pole and the 3rd crystal three with the second LED respectively
The base stage connection of pole pipe, the positive pole of the second LED and the other end of 3rd resistor connect, the colelctor electrode point of the 3rd transistor
Negative pole not with the 3rd LED is connected, and the positive pole of the 3rd LED is connected with the other end of the 4th resistance, the first described LED
Lamp, the second LED and the 3rd LED are arranged in respective LED lamp holder, and the brightness of the second LED is more than the 3rd LED
Brightness.
The operation principle of above-mentioned light adjusting circuit is as follows：After switching on power, the first LED is lighted, and is adapted in ambient light illumination
During read-write, the resistance very little of photo resistance, first crystal triode ON, the cut-off of the second transistor, the second LED do not send out
Light, the conducting of the 3rd transistor, the 3rd LED are lighted；When ambient light is dark, when being required less than read-write, photo resistance
Resistance increases, the cut-off of first crystal triode, the conducting of the second transistor, and the second LED is lighted, and the 3rd transistor is cut
Only, the 3rd LED is extinguished, therefore ambient light will be made to become strong, to meet the read-write demand of people.
Further, it is additionally provided with adjustable resistance between the base stage of photo resistance and first crystal triode.It is photosensitive by adjusting
The resistance of resistance, light-operated sensitivity can be changed.
Further, a kind of mode for realizing that outer cover is upwards collected through is the colelctor electrode of the second transistor and the second LED
Negative pole between be additionally provided with relay, connect on inner cover along circumferential uniform multiple electromagnet of inner cover, the normally opened contact of relay
It is connected on the loop of electromagnet, it is corresponding with each electromagnet on outer cover to be provided with iron bar.When relay obtains it is electric after, its it is normally opened touch
Point will turn in adhesive, the loop of electromagnet, and electromagnet is powered, attracts the iron bar on outer cover, in the presence of attraction, outer cover
It will be upwards collected through along the raised line on inner cover.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the schematic diagram of the light adjusting circuit in Fig. 1 embodiments.
Embodiment
Below by embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Inner cover 1, outer cover 2, fluorescent tube 3, lamp socket 4, switch S, relay J, first
Resistance R1, the first LED VL1, photo resistance RG, adjustable resistance RP, first crystal triode VT1, second resistance R2, the 3rd electricity
Hinder R3, the second LED VL2, the second transistor VT2, the 4th resistance R4, the 3rd LED VL3, the 3rd transistor
VT3。
The desk lamp that illuminance as shown in Figure 1 automatically adjusts, lampshade include inner cover 1 and outer cover 2, and inner cover 1 and outer cover 2 are equal
It is in downwards enlarging shape, inner cover 1 and outer cover 2 offer opening directed downwardly.In the outer surface of inner cover 1, the circumference along inner cover 1 is all provided with
There are three raised lines, three telescopic pull bars are evenly equipped with the lower surface of inner cover 1, outer cover 2 is located at the outside of inner cover 1, outer cover 2
Lower surface is less than the lower surface of inner cover 1, and the inner surface of outer cover 2 is provided with three chutes with raised line clamping, and the length of chute is more than
The length of raised line, the lower surface of outer cover 2 are bent inwards to form bending ring, and lower end and the bending ring of pull bar are fixed.
Lamp holder is located in inner cover 1, and lamp holder is arranged on pedestal, and inner cover 1 is threadedly coupled with pedestal, pedestal and vertical fluorescent tube
3 upper end connection, the bottom of fluorescent tube 3 is threadedly coupled with lamp socket 4.Lamp holder includes the first LED on pedestal, second
LED and the 3rd LED, specifically, the first LED, the second LED and the 3rd LED are connected with pedestal ball pivot.First
The outside of LED, the second LED and the 3rd LED can be threaded connection with cover lid.The brightness of second LED is more than the 3rd LED
Lamp, when ambient light is adapted to read-write, the first LED and the 3rd LED are bright, when ambient light is dark, the first LED and the 2nd LED
Lamp is bright, while pull bar drives raised line of the outer cover 2 along inner cover 1 to be upwards collected through.
As shown in Fig. 2 power supply is component power supply below, switch SS is provided with power circuit.This specific implementation
The light adjusting circuit of example includes being used for the light adjusting circuit for controlling the first LED, the second LED and the 3rd LED.
First LED VL1 of light adjusting circuit positive pole is connected with first resistor R1 one end, first resistor R1 other ends difference
It is connected with photo resistance RG one end, second resistance R2 one end, 3rd resistor R3 and the 4th resistance R4 one end, the first LED is born
The pole emitter stage with first crystal triode VT1, the second transistor VT2 emitter stage, the 3rd transistor VT3 respectively
Emitter stage connection, the photo resistance RG other end is connected with photo resistance RG one end, photo resistance the RG other end and tune
Section end is connected with the base stage of transistor, first crystal triode VT1 colelctor electrode respectively with the second resistance R2 other ends
Connected with the second transistor VT2 base stage, the second transistor VT2 colelctor electrode is negative with the second LED VL2 respectively
Pole is connected with the 3rd transistor VT3 base stage, and the second LED VL2 positive pole is connected with the 3rd resistor R3 other end, the
Negative pole of the three transistor VT3 colelctor electrode respectively with the 3rd LED VL3 is connected, the 3rd LED VL3 positive pole and the 4th
Resistance R4 other end connection, the first described LED VL1, the second LED VL2 and the 3rd LED VL3 are arranged at each
LED lamp holder in, the second LED of the present embodiment VL2 brightness is more than the 3rd LED VL3 brightness.
Be additionally provided with the present embodiment between the second transistor VT2 colelctor electrode and the second LED VL2 negative pole after
Electrical equipment J, returning for electromagnet is connected to along uniform three electromagnet of circumference of inner cover 1, relay J normally opened contact on inner cover 1
Lu Shang, it is corresponding with each electromagnet on outer cover 2 to be provided with iron bar.
Above-described is only embodiments of the invention, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme
Excessive description., without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, and these are implemented all without the influence present invention
Effect and practical applicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as embodiment can be used for the content for explaining claim.
Claims (3)
1. the desk lamp that illuminance automatically adjusts, including lamp holder, the lampshade for the one end open being arranged on outside lamp holder, for installing lamp
The pedestal of head, the vertical fluorescent tube being connected with pedestal and the lamp socket for being connected to fluorescent tube bottom, it is characterised in that the lampshade includes
Inner cover, in the outer surface of inner cover, the circumference along inner cover is equipped with some raised lines, is evenly equipped with the lower surface of inner cover some scalable
Pull bar, the outside of inner cover is provided with outer cover, and the lower surface of outer cover is less than the lower surface of inner cover, the inner surface of outer cover be provided with it is some with
The chute of raised line clamping, the length of chute are more than the length of raised line, and the lower surface of outer cover bends inwards to form bending ring, pull bar
Lower end is fixed with bending ring, and described lamp holder includes the first LED, the second LED and the 3rd LED being arranged on pedestal,
The brightness of second LED is more than the 3rd LED, and when ambient light is adapted to read-write, the first LED and the 3rd LED are bright, ambient light
When line is dark, the first LED and the second LED are bright, while pull bar drives outer cover to be upwards collected through along the raised line of inner cover；
Described inner cover is threadedly coupled with pedestal, and the first LED, the second LED and the 3rd LED are connected with pedestal ball pivot；
Also include being used for the light adjusting circuit for controlling the first LED, the second LED and the 3rd LED, light adjusting circuit includes first
LED, the positive pole of the first LED are connected with first resistor one end, the first resistor other end respectively with photo resistance one end, second
Resistance one end, 3rd resistor connect with the 4th resistance one end, the negative pole transmitting with first crystal triode respectively of the first LED
Pole, the emitter stage connection of the emitter stage of the second transistor, the 3rd transistor, the other end access first of photo resistance
The base stage of transistor, the colelctor electrode of first crystal triode respectively with the second resistance other end and the second transistor
Base stage connects, and the colelctor electrode of the second transistor connects with the negative pole of the second LED and the base stage of the 3rd transistor respectively
Connect, the other end of the positive pole of the second LED and 3rd resistor connects, the colelctor electrode of the 3rd transistor respectively with the 3rd LED
The negative pole connection of lamp, the positive pole of the 3rd LED are connected with the other end of the 4th resistance, the first described LED, the second LED
It is arranged at the 3rd LED in respective LED lamp holder, the brightness of the second LED is more than the brightness of the 3rd LED；
Relay is additionally provided between the colelctor electrode of second transistor and the negative pole of the second LED, the edge on inner cover
Circumferential uniform multiple electromagnet of inner cover, the normally opened contact of relay are connected on the loop of electromagnet, on outer cover with it is each
Iron bar is provided with corresponding to electromagnet.
2. the desk lamp that illuminance according to claim 1 automatically adjusts, it is characterised in that：In the first LED, the 2nd LED
The outside of lamp and the 3rd LED can be threaded connection with cover lid.
3. the desk lamp that illuminance according to claim 1 automatically adjusts, it is characterised in that：In the photo resistance and first
Adjustable resistance is additionally provided between the base stage of transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510913620.9A CN105351806B (en) | 2015-12-12 | 2015-12-12 | The desk lamp that illuminance automatically adjusts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510913620.9A CN105351806B (en) | 2015-12-12 | 2015-12-12 | The desk lamp that illuminance automatically adjusts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105351806A CN105351806A (en) | 2016-02-24 |
| CN105351806B true CN105351806B (en) | 2018-01-09 |
Family
ID=55327833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510913620.9A Active CN105351806B (en) | 2015-12-12 | 2015-12-12 | The desk lamp that illuminance automatically adjusts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105351806B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106494190A (en) * | 2016-12-21 | 2017-03-15 | 辛集市华仪汽车仪表有限公司 | A kind of vehicle-mounted pendulum wind formula air conditioning window air port |
| CN110260204B (en) * | 2019-04-16 | 2021-04-13 | 江西旺来科技有限公司 | Desk lamp for teenagers |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2527850Y (en) * | 2001-12-29 | 2002-12-25 | 王海标 | Lampshade for desk lamp |
| JP2008258122A (en) * | 2007-04-04 | 2008-10-23 | Yasuo Ohashi | Desk light apparatus |
| CN201680284U (en) * | 2010-05-17 | 2010-12-22 | 曹正正 | Novel desk lamp shade |
| CN102231932A (en) * | 2011-07-29 | 2011-11-02 | 深圳市聚作实业有限公司 | LED lamp with intelligent control |
| CN103115276A (en) * | 2011-11-16 | 2013-05-22 | 王凤华 | Light adjustable lamp |
| CN203395729U (en) * | 2013-09-10 | 2014-01-15 | 陈琳 | Table lamp |
| DE202014003337U1 (en) * | 2014-04-23 | 2014-06-25 | Manuel Pütz | Table lamp for the shadow-free exchange illumination of a table or bar table enclosed in a transparent shell with automatic or externally controlled light changes of several such units. |
| CN105042398A (en) * | 2015-07-23 | 2015-11-11 | 中山市优米照明科技有限公司 | LED table lamp capable of automatically adjusting brightness |
-
2015
- 2015-12-12 CN CN201510913620.9A patent/CN105351806B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105351806A (en) | 2016-02-24 |
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Effective date of registration: 20171227 Address after: 401320 Chongqing city Banan District Tu Qiao Street 11 1-1-1 Patentee after: CHONGQING JIANWEI MACHINERY Co.,Ltd. Address before: 400021, opposite the cypress village, Jiangbei District, Chongqing, 1 Patentee before: CHONGQING XINDE ELECTRONIC Co.,Ltd. |
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Effective date of registration: 20180116 Address after: 400021, opposite the cypress village, Jiangbei District, Chongqing, 1 Patentee after: CHONGQING XINDE ELECTRONIC Co.,Ltd. Address before: 401320 Chongqing city Banan District Tu Qiao Street 11 1-1-1 Patentee before: CHONGQING JIANWEI MACHINERY Co.,Ltd. |
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Effective date of registration: 20201224 Address after: Room 101, No.12, Xingye 6th Street, Xiabian, Chang'an Town, Dongguan City, Guangdong Province, 523000 Patentee after: DONGGUAN TAIDONG ELECTRIC CO.,LTD. Address before: 221000 paoche street, Pizhou City, Xuzhou City, Jiangsu Province Patentee before: Pizhou Xinsheng Venture Capital Co.,Ltd. |
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Effective date of registration: 20240102 Address after: 523877, 1st Floor, Building B, No. 26 Dongda North Street, Shatou Community, Chang'an Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN YUHONG CNC CO.,LTD. Address before: Room 101, No.12, Xingye 6th Street, Xiabian, Chang'an Town, Dongguan City, Guangdong Province, 523000 Patentee before: DONGGUAN TAIDONG ELECTRIC CO.,LTD. |