CN201672365U - Eye-protecting reading lamp - Google Patents
Eye-protecting reading lamp Download PDFInfo
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- CN201672365U CN201672365U CN2010201954103U CN201020195410U CN201672365U CN 201672365 U CN201672365 U CN 201672365U CN 2010201954103 U CN2010201954103 U CN 2010201954103U CN 201020195410 U CN201020195410 U CN 201020195410U CN 201672365 U CN201672365 U CN 201672365U
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- desk lamp
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- reading lamp
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Abstract
The utility model relates to an eye-protecting reading lamp, which comprises a reading lamp and an automatic reading lamp brightness tester. The eye-protecting reading lamp is characterized in that: the reading lamp comprises a base, a lifting rod for adjusting the height of the reading lamp, a rotary rod for adjusting the illuminating direction of the reading lamp, a lampshade and a light brightness-regulating knob for regulating the brightness of light; the panel of the automatic reading lamp brightness tester comprises a photosensitive hole, a tricolor display and a circuit board arranged in the automatic tester; the circuit board is provided with a power supply, a switch, a light dependent resistor, a differential amplifier circuit and a logic operation circuit, wherein one end of the power supply is connected with the switch, and the other end of the power supply is connected with the light dependent resistor; the photosensitive hole is over against the light dependent resistor, the differential voltage of a bridge comprising the light dependent resistor and other resistors is inputted into the differential amplifier via a wire, and the output of the differential amplifier enters the logic operation circuit; and the three output ends of the logic operation circuit are respectively connected with three colors of indicator lights of the tricolor display.
Description
Technical field
The utility model relates to a kind of eye-protecting desk lamp, and this desk lamp can be according to the concrete condition of each user's eye, and the parameters such as brightness of desk lamp are adjusted to the most healthy scope of human eye, guarantees that long-time use can not have injury to eyes.This eye-protecting desk lamp is suitable for primary and secondary students, also is fit to personnel's use that teacher, scientific worker etc. bend over one's desk working for a long time.
Background technology
China is one of the highest country of the near-sighted in the world incidence of disease.The A nearsighted person has 1.8 hundred million among 3.1 hundred million students of the whole nation, and the teen-age near-sighted incidence of disease is up to 50%-60%, and be become younger, the soaring state of the degree of depthization.Ministry of Education's " near-sighted prevention and control scheme of middle and elementary school student " points out: student's reading and writing will have the light of abundance, selects a good visual environment of using, and window light and desk lamp light will be penetrated from the left front, and do not read a book, write a little less than secretly or under the high light.
In order to solve the reading lighting problem, desk lamp manufacturer has developed a series of eye-protecting lamp.Think in early days: incandescent lamp is beneficial to eyesight.But find after deliberation: incandescent lamp can produce a large amount of infra-red radiations, the stroboscopic problem is arranged, the illuminance of 25-40 watt incandescent lamp only is 220Lx and 350Lx, can not satisfy write class desk lamp light source center should be apart from writing the illuminance at height of table top 400mm place greater than 750Lx, 1000_2000Lx reaches the requirement of optimum visual luminous environment.In this year, the main flow eye-protecting lamp on the market is based on fluorescent lamp, and it has not only solved the infra-red radiation problem, has also had characteristics of high brightness.Nearest on the market released a new product in addition: the LED desk lamp, and it has not only solved radiation, and the luminous intensity problem has also solved the stroboscopic problem of fluorescence electric light, is a kind of rising light source.
Though had the light source of high brightness, no stroboscopic, made in the mode of health and make good use of these light sources and also have some difficult points.At first, individual mistaken ideas are arranged on people's the understanding: promptly in the adjustable extent of desk lamp, brighter light is good to eyes.In fact human eye working time in brighter luminous environment has been grown and can produce fatigue, has a strong impact on eyesight.Secondly, people have often ignored the contrast of light environment for use.Yet how healthy brightness range is determined and the light contrast that how to detect environment for use is a blank in application, becomes present technique field urgent problem.
Summary of the invention
The purpose of this utility model provides a kind of eye-protecting desk lamp, this desk lamp has the adjustable fluorescent desk lamp of parameter and an independently developed small lamp light illumination automatic tester, constitute a comprehensive illuminator by desk lamp and tester, by regulating the brightness of desk lamp, highly, light angles etc. by the tester test, obtain the luminous environment of using an of brightness, contrast the best.
For achieving the above object, the utility model is taked following technical scheme:
A kind of eye-protecting desk lamp, form by desk lamp and an independently developed desk lamp light illumination automatic tester, it is characterized in that: described desk lamp can be according to lighting requirement, change the brightness of illumination, illuminator level and angle, purpose is for obtaining in certain brightness range, and the visual field is even, simultaneously and on every side the photoenvironment of good contrast.Yan Fa desk lamp light illumination automatic tester volume is little voluntarily, in light weight, can make things convenient on the table and move, measure the contrast that the interior illuminance of illumination zone also calculates illumination thus, use up the color that district's bar shows by the safety on the tester, determine whether to satisfy the requirement of brightness.
Described desk lamp comprises a base, an elevating lever, a swingle, lampshade and light luminance adjusting knob.See Fig. 1.Elevating lever is used to regulate the height of desk lamp, and swingle is used to adjust the illumination direction of desk lamp, and lampshade is used to make the lighting homogenizing, and the light luminance adjusting knob is used to regulate the brightness of light.
Described desk lamp light illumination automatic tester, comprise a photographic hole, three look display, an and circuit board of automatic tester inside, this circuit board top has been arranged power supply, switch, photo resistance, differential amplifier circuit, logical operation circuit, sees Fig. 4.Wherein, power supply one end links to each other with switch, and the other end links to each other with photo resistance.Photographic hole is over against photo resistance, and the differential voltage of the electric bridge that photo resistance and other resistance are formed is imported differential amplifier by lead, and the output of differential amplifier enters logical operation circuit.Logical operation circuit is judged the size of illumination, and according to the size of illumination, three outputs output different values of logical operation circuit, three outputs link to each other with the indicator lamp of three kinds of colors of three look displays respectively, light corresponding indicator lamp respectively.
A kind of optimal technical scheme is characterized in that: desk lamp light illumination automatic tester is formed the bridge-type measuring circuit by photo resistance and is realized light exposure measurement.
A kind of optimal technical scheme is characterized in that: in the desk lamp light illumination automatic tester magnitude of voltage of light exposure measurement by two voltage comparator circuits judge illuminance greater than with less than normal range (NR).
A kind of optimal technical scheme is characterized in that: the output of voltage comparator circuit is by three look displays in the logic circuit control illumination automatic tester in the desk lamp light illumination automatic tester.
A kind of eye-protecting desk lamp of the utility model, its beneficial effect:
Desk lamp regulated that the utility model provides and desk lamp light illumination automatic tester can be realized illumination self-control and the detection in the desk lamp illumination field, guarantee that the long-term demand of learning is satisfied in the illumination of desk lamp.
Description of drawings
Fig. 1 is the structural representation of desk lamp of the present utility model.
Fig. 2 is a desk lamp light illumination automatic tester vertical view of the present utility model
Fig. 3 is the basic functional principle schematic diagram of desk lamp light illumination automatic tester of the present utility model.
Fig. 4 position light illumination of the present utility model automatic tester cut-away view
Concrete label is as follows among the figure:
1, base 2, elevating lever 3, swingle 4, lampshade
5, light luminance is regulated knob 6, photographic hole 7, switch
8, power supply 9, photo resistance 10, differential amplifier
11, logical operation circuit 12, three look displays
The specific embodiment
Below in conjunction with drawings and Examples, the technical solution of the utility model is described further.
A kind of eye-protecting desk lamp of the utility model, form by desk lamp and an independently developed desk lamp light illumination automatic tester, it is characterized in that: described desk lamp can be according to lighting requirement, change the brightness of illumination, illuminator level and angle, purpose is for obtaining in certain brightness range, and the visual field is even, simultaneously and on every side the photoenvironment of good contrast.Yan Fa desk lamp light illumination automatic tester volume is little voluntarily, in light weight, can make things convenient on the table and move, measure the contrast that the interior illuminance of illumination zone also calculates illumination thus, use up the color that district's bar shows by the safety on the tester, determine whether to satisfy the requirement of brightness.
Described desk lamp comprises 3, one lampshades 4 of 2, one swingles of 1, one elevating lever of a base and light luminance adjusting knob 5.See Fig. 1.Elevating lever 2 is used to regulate the height of desk lamp, and swingle 3 is used to adjust the illumination direction of desk lamp, and lampshade 4 is used to make the lighting homogenizing, and light luminance adjusting knob 5 is used to regulate the brightness of light.
Described desk lamp light illumination automatic tester, comprise a photographic hole 6, three look display 12, an and circuit board of automatic tester inside, this circuit board top has been arranged power supply 8, switch 7, photo resistance 9, differential amplifier circuit 10, logical operation circuit 11, sees Fig. 4.Wherein, power supply 8 one ends link to each other with switch 7, and the other end links to each other with photo resistance 9.Photographic hole 6 is over against photo resistance 9, and the differential voltage of the electric bridge that photo resistance 9 and other resistance R 1, R2, R3 (as shown in Figure 3) form is by lead input differential amplifier 10, and the output of differential amplifier 10 enters logical operation circuit 11.Logical operation circuit 11 is judged the size of illumination, size according to illumination, three outputs output different values of logical operation circuit, three outputs link to each other with the indicator lamp of three kinds of colors (for example green, orange and red) of three look displays 12 respectively, light corresponding indicator lamp respectively.
As shown in Figure 2, be the structural representation of light illumination automatic tester of the present utility model.Open switch 7 during use.Tester is placed on the position that needs the test light intensity.Photographic hole 6 up.Represent when green light is bright that light is under the best; The bright expression illumination of orange lamp is at optimum range; The bright expression illumination of red colored lamp is too bright, exceeds healthy scope.
As shown in Figure 3, be the fundamental diagram of light illumination automatic tester of the present utility model.Resistance reduces after the responsive illumination of photo resistance Rt, makes electric bridge at the voltage of 2 of M1 and M2 differential output be arranged, and this voltage is amplified into two comparator C 1 and C2 through amplifier A1.The reference voltage V 1 of C1 and the correspondence that rolls off the production line of healthy illumination range; The reference voltage V 2 of C2 and the correspondence of reaching the standard grade of healthy illumination range.When the output voltage V 01 of amplifier during, comparator C 1 output " 1 " less than V1, light green light among Fig. 2 by it, otherwise comparator C 1 output " 0 ".When the output voltage V 01 of amplifier during greater than the datum mark V2 of C2, the red light among Fig. 2 is lighted in comparator C 2 outputs " 1 ", otherwise comparator C 2 outputs " 0 ".When the output voltage V 01 of amplifier is between V1 and V2, show illumination in normal range (NR), with output all output " 1 " behind not gate F1 and F2 of C1 and C2.Through exporting " 1 " with door Y1, this voltage is lighted the orange lamp among Fig. 2, shows normal working range again.
During work, light illumination automatic tester moves under light, checks whether the illumination in the visual field is even, and whether intensity is in normal range (NR).As not in normal range (NR), regulate the parameter of desk lamp, make it to satisfy instructions for use.
Claims (1)
1. an eye-protecting desk lamp is made up of desk lamp and a desk lamp light illumination automatic tester, it is characterized in that:
Described desk lamp comprises a base, an elevating lever that is used to regulate the desk lamp height, a swingle that is used to adjust the desk lamp illumination direction, lampshade and be used to regulate the light luminance adjusting knob of light luminance;
The panel of described desk lamp light illumination automatic tester comprises a photographic hole, three look display, an and circuit board of automatic tester inside; Described circuit board top has been arranged power supply, switch, photo resistance, differential amplifier circuit, logical operation circuit; Wherein power supply one end links to each other with switch, and the other end links to each other with photo resistance; Photographic hole is over against photo resistance, and the differential voltage of the electric bridge that photo resistance and other resistance are formed is imported differential amplifier by lead, and the output of differential amplifier enters logical operation circuit; Three outputs of logical operation circuit link to each other with the indicator lamp of three kinds of colors of three look displays respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201954103U CN201672365U (en) | 2010-05-19 | 2010-05-19 | Eye-protecting reading lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201954103U CN201672365U (en) | 2010-05-19 | 2010-05-19 | Eye-protecting reading lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201672365U true CN201672365U (en) | 2010-12-15 |
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ID=43329777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201954103U Expired - Fee Related CN201672365U (en) | 2010-05-19 | 2010-05-19 | Eye-protecting reading lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201672365U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557469A (en) * | 2013-10-29 | 2014-02-05 | 大连创达技术交易市场有限公司 | Rotatable table lamp with air purifying function |
| CN104456259A (en) * | 2014-12-05 | 2015-03-25 | 庄颖桐 | OLED table lamp capable of charging electronic product when in use |
| CN104566273A (en) * | 2015-01-16 | 2015-04-29 | 胡勋芳 | Multifunctional support for eye-protection table lamp |
| CN105333340A (en) * | 2015-05-11 | 2016-02-17 | 姚智宏 | Novel table lamp with intelligent light regulating and eyesight protecting functions and control method for regulating illuminance of novel table lamp |
| CN106377075A (en) * | 2016-11-15 | 2017-02-08 | 成都信息工程大学 | Isotropous reading illumination method and system |
| CN106917991A (en) * | 2017-05-16 | 2017-07-04 | 中山市恩晟德光电科技有限公司 | A kind of Suresh Kumar desk lamp |
| CN107062050A (en) * | 2017-04-25 | 2017-08-18 | 句容市宝启电子科技有限公司 | A kind of Multifunctional eye-protecting table lamp |
| CN107113953A (en) * | 2015-01-20 | 2017-08-29 | 博姆达株式会社 | Lighting device |
| CN108332134A (en) * | 2018-01-05 | 2018-07-27 | 苏州光斯奥光电科技有限公司 | A kind of rotary type LED desk lamp |
| CN114136588A (en) * | 2021-10-29 | 2022-03-04 | 中国家用电器研究院 | System and method for testing light brightness of household appliance operation interface |
-
2010
- 2010-05-19 CN CN2010201954103U patent/CN201672365U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557469A (en) * | 2013-10-29 | 2014-02-05 | 大连创达技术交易市场有限公司 | Rotatable table lamp with air purifying function |
| CN104456259A (en) * | 2014-12-05 | 2015-03-25 | 庄颖桐 | OLED table lamp capable of charging electronic product when in use |
| CN104566273A (en) * | 2015-01-16 | 2015-04-29 | 胡勋芳 | Multifunctional support for eye-protection table lamp |
| CN107113953A (en) * | 2015-01-20 | 2017-08-29 | 博姆达株式会社 | Lighting device |
| US10561001B2 (en) | 2015-01-20 | 2020-02-11 | Balmuda Inc. | Illumination device |
| CN107113953B (en) * | 2015-01-20 | 2019-10-15 | 博姆达株式会社 | Lighting device |
| US10349490B2 (en) | 2015-01-20 | 2019-07-09 | Balmuda Inc. | Illumination device |
| CN105333340B (en) * | 2015-05-11 | 2018-10-16 | 姚智宏 | The control method that a kind of intelligent dimming eyeshield novel reading lamp and its illumination are adjusted |
| CN105333340A (en) * | 2015-05-11 | 2016-02-17 | 姚智宏 | Novel table lamp with intelligent light regulating and eyesight protecting functions and control method for regulating illuminance of novel table lamp |
| CN106377075A (en) * | 2016-11-15 | 2017-02-08 | 成都信息工程大学 | Isotropous reading illumination method and system |
| CN107062050A (en) * | 2017-04-25 | 2017-08-18 | 句容市宝启电子科技有限公司 | A kind of Multifunctional eye-protecting table lamp |
| CN106917991A (en) * | 2017-05-16 | 2017-07-04 | 中山市恩晟德光电科技有限公司 | A kind of Suresh Kumar desk lamp |
| CN108332134A (en) * | 2018-01-05 | 2018-07-27 | 苏州光斯奥光电科技有限公司 | A kind of rotary type LED desk lamp |
| CN114136588A (en) * | 2021-10-29 | 2022-03-04 | 中国家用电器研究院 | System and method for testing light brightness of household appliance operation interface |
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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: 20101215 Termination date: 20130519 |