CN108954257A - A kind of desk lamp optical path automatic control device and the desk lamp for being equipped with the device - Google Patents
A kind of desk lamp optical path automatic control device and the desk lamp for being equipped with the device Download PDFInfo
- Publication number
- CN108954257A CN108954257A CN201811114806.8A CN201811114806A CN108954257A CN 108954257 A CN108954257 A CN 108954257A CN 201811114806 A CN201811114806 A CN 201811114806A CN 108954257 A CN108954257 A CN 108954257A
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- CN
- China
- Prior art keywords
- desk lamp
- stepper motor
- window
- photosensitive sensor
- optical path
- 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.)
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Classifications
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- 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
- F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
-
- 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
- F21V7/00—Reflectors for light sources
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The present invention relates to a kind of desk lamp optical path automatic control device and the desk lamp of the device is installed, belongs to desk lamp technical field.Including photosensitive sensor, A/D conversion circuit, microprocessor, driving circuit and stepper motor；The photosensitive sensor is connected by A/D conversion circuit with microprocessor, and the microprocessor is connected with driving circuit drives stepper motor adjustment desk lamp lighting angle.A kind of desk lamp being equipped with desk lamp optical path automatic control device, it is characterized by comprising main control boards, the main control board is mounted in pedestal, the pedestal is equipped with bracket, bracket is connected by revolute pair with pedestal, elevation angle trim button is additionally provided on the pedestal, corner trim button and power switch, the bracket is equipped with elevation angle stepper motor, corner stepper motor and lampshade, the lampshade is equipped with light inlet window, light source window and photosensitive window are respectively equipped in light inlet window, light source window and photosensitive window are separated by using baffle, it is equipped with corner control photosensitive sensor in photosensitive window and the elevation angle controls photosensitive sensor.
Description
Technical field
The present invention relates to a kind of desk lamp optical path automatic control device and the desk lamp of the device is installed, belongs to desk lamp technology neck
Domain.
Background technique
The existing blind person more than 500 ten thousand in China according to investigations, the nearly million people of low visual acuity are suffered from especially in children and teenager
Sick rate is high.Students of nation physical health investigation latest data shows that China pupil myopia disease incidence is 22.78%, middle school
Raw is 55.22%, and high school student 70.34%.It is more thrilling to be, there is survey report to claim, the country because of high myopia blinding person
Up to more than 30 ten thousand people.It is a variety of potentially hazardous and dangerous that myopia can give the health care belt of people, its cataract of A nearsighted person
Disease incidence is apparently higher than normal person；Moderate and high myopia, especially high myopia be easy cause vitreous opacity, retinal hemorrhage and
It is detached from and blinding；Myopia can produce certain inherent cause more than 600 degree, not only influence oneself, and will affect the next generation, this
It is most fearful.
There are many factors for leading to myopia, and when reading and writing, desk lamp is one of common light source, when the brightness of desk lamp
Centainly, if the irradiating angle of the position and desk lamp placed is inappropriate, the reflection light direct beam eye that desk lamp is formed on written or paper
Eyeball, at this time writing seems unintelligible, and the eyes observation of people gets up to feel painstaking, and eyes can feel dazzling or uncomfortable, this
Kind phenomenon is known as veiling reflection effect, and veiling reflection has apparent harm to the eyes of people.For a long time under lamp reading and writing, be
Cause one of the principal element of myopia.To eliminate veiling reflection, weakens harm of the desk lamp light to eyes, devise desk lamp optical path
(propagation path of light) automatic control device.
Summary of the invention
Place in order to overcome the above-mentioned deficiencies of the prior art, the present invention provide a kind of desk lamp optical path automatic control device and peace
Desk lamp equipped with the device adjusts the lighting angle of desk lamp, protects the eyesight of user.
The present invention is achieved through the following technical solutions: a kind of desk lamp optical path automatic control device, it is characterised in that: packet
Include photosensitive sensor, A/D conversion circuit, microprocessor, driving circuit and stepper motor；The photosensitive sensor passes through A/D
Conversion circuit is connected with microprocessor, and the microprocessor is connected with driving circuit drives stepper motor adjustment desk lamp illumination angle
Degree, the photosensitive sensor are mounted in table lamp lampshade, receive the strongest reflected light of desk lamp, are incuded according to photosensitive sensor anti-
Luminous intensity driving stepper motor adjustment desk lamp lighting angle is penetrated, avoids veiling reflection effect to eye hazard.
Further, the photosensitive sensor be 3DU series of light sensitive triode, the phototriode emitter with
A/D conversion circuit is connected.
Further, the A/D conversion circuit is analog-to-digital conversion module ADC0809, the analog-to-digital conversion module
ADC0809 sample frequency is 8, and 8 road analog input signals are connected with photosensitive sensor and inching switch respectively.
Further, the microprocessor is AT89C52 single-chip microcontroller.
Further, the driving circuit is drive module ULN2003A.
Further, the stepper motor is 28BYJ48-5V stepper motor.
A kind of desk lamp being equipped with desk lamp optical path automatic control device, it is characterised in that: described including main control board
Main control board is mounted in pedestal, and the pedestal is equipped with bracket, and bracket is connected by revolute pair with pedestal, the bottom
Elevation angle trim button, corner trim button and power switch are additionally provided on seat, the bracket is equipped with elevation angle stepper motor, turns
Angle stepper motor and lampshade, the lampshade are equipped with light inlet window, are respectively equipped with light source window and photosensitive window, light source window in light inlet window
It is separated by with photosensitive window using baffle, corner control photosensitive sensor is equipped in photosensitive window and the elevation angle controls photosensitive sensor.
The beneficial effects of the present invention are: the present invention improves the light environment of those who read and write, the veiling reflection of desk lamp bring is eliminated,
Desk lamp illumination is mitigated or eliminated to those who read and write's bring adverse effect.
Detailed description of the invention
Below according to drawings and examples, the present invention is further described.
Fig. 1 is structural principle block diagram of the invention；
Fig. 2 is structural schematic diagram of the invention；
Fig. 3 is control circuit schematic diagram of the invention；
In figure: 1, main control board, 2, pedestal, 3, bracket, 4, elevation angle stepper motor, 5, corner stepper motor, 6, lampshade, 7, turn
Angle control photosensitive sensor, 8, elevation angle control photosensitive sensor, 9, light inlet window, 10, revolute pair, 11, elevation angle trim button, 12,
Corner trim button, 13, power switch.
Specific embodiment
A kind of desk lamp optical path automatic control device as shown in Figure 1 to Figure 3, it is characterised in that: including photosensitive sensor, A/
D conversion circuit, microprocessor, driving circuit and stepper motor；The photosensitive sensor passes through A/D conversion circuit and micro process
Device is connected, and the microprocessor is connected with driving circuit drives stepper motor adjustment desk lamp lighting angle, the photosensitive biography
Sensor is mounted in table lamp lampshade, receives the strongest reflected light of desk lamp, incudes intensity of reflected light driving step according to photosensitive sensor
Desk lamp lighting angle is adjusted into motor, avoids veiling reflection effect to eye hazard.
The photosensitive sensor is 3DU series of light sensitive triode, the phototriode emitter and A/D conversion electricity
Road is connected.
The A/D conversion circuit is analog-to-digital conversion module ADC0809, the analog-to-digital conversion module ADC0809 sampling
Frequency is 8, and 8 road analog input signals are connected with photosensitive sensor and inching switch respectively.
The microprocessor is AT89C52 single-chip microcontroller.
The driving circuit is drive module ULN2003A.
The stepper motor is 28BYJ48-5V stepper motor.
A kind of desk lamp being equipped with desk lamp optical path automatic control device, it is characterised in that: described including main control board 1
Main control board 1 be mounted in pedestal 2, the pedestal 2 be equipped with bracket 3, bracket 3 pass through revolute pair 10 and 2 phase of pedestal
Even, corner trim button 12 and power switch 13 are additionally provided on the pedestal 2, the bracket 3 is equipped with elevation angle stepping electricity
Machine 4, corner stepper motor 5 and lampshade 6, the lampshade 6 are equipped with light inlet window 9, are respectively equipped with light source window and sense in light inlet window 9
Optical window, light source window and photosensitive window are separated by using baffle, and corner control photosensitive sensor 7 is equipped in photosensitive window and elevation angle control is photosensitive
Sensor 8.
V1~V4 is phototriode, and wherein V1, V2 control the elevation angle of desk lamp, and adjustable range is -450~450, horizontal plane
Angle is 00.V3, V4 control the corner of desk lamp, and control range is -450~450, horizontal plane angle 00.Elevation angle stepper motor 4
Shaft is connected directly with guide rod, is mounted in bracket 3, to the adjusting bracket elevation angle.5 shaft of corner stepper motor and guide rod are direct
It is connected, is mounted in lampshade 6, the corner to regulating lampshade 6.The power supply of stepper motor is 5V.Phototriode direct current 5V
Power supply provides energy.Phototriode converts light signals into electric signal, this electric signal sends A/D converter ADC0809, A/ to
Digital signal after the conversion of D converter sends single-chip computer AT89C52 to and carries out data processing, passes through single-chip microcontroller treated signal
Driver ULN2003 is given, so that stepper motor be driven to act.
When the light intensity that V1, V2 receive is different, corner stepper motor 4M1 carries out elevation angle adjustment by driving, when V1, V2 connect
When the light intensity received is the same, the desk lamp elevation angle is fixed；When the light intensity that V3, V4 receive is different, corner stepper motor 5M2 is driven
Dynamic, the corner of desk lamp is adjusted, and when the light intensity that V3, V4 receive is the same, the corner of desk lamp is fixed.S1+, S2- face upward for desk lamp
Angle trim button, S3+, S4- are desk lamp corner trim button.Reflected light strongest in this way is irradiated to phototriode, deviates from
The eyes of people avoid veiling reflection effect, reduce light curtain and damage to human eye.74LS74 is frequency divider, and stepping can be made electric
Machine corner is more accurate.
Claims (7)
1. a kind of desk lamp optical path automatic control device, it is characterised in that: including photosensitive sensor, A/D conversion circuit, micro process
Device, driving circuit and stepper motor；The photosensitive sensor is connected by A/D conversion circuit with microprocessor, and described is micro-
Processor is connected with driving circuit drives stepper motor adjustment desk lamp lighting angle, and the photosensitive sensor is mounted on desk lamp lamp
In cover, the strongest reflected light of desk lamp is received, intensity of reflected light driving stepper motor is incuded according to photosensitive sensor and adjusts desk lamp light
Irradiation angle avoids veiling reflection effect to eye hazard.
2. a kind of desk lamp optical path automatic control device according to claim 1, it is characterised in that: the photosensitive sensor
For 3DU series of light sensitive triode, the phototriode emitter is connected with A/D conversion circuit.
3. a kind of desk lamp optical path automatic control device according to claim 1, it is characterised in that: the A/D converts electricity
Road is analog-to-digital conversion module ADC0809, and the analog-to-digital conversion module ADC0809 sample frequency is 8,8 tunnel simulation inputs letter
Number it is connected respectively with photosensitive sensor and inching switch.
4. a kind of desk lamp optical path automatic control device according to claim 1, it is characterised in that: the microprocessor is
AT89C52 single-chip microcontroller.
5. a kind of desk lamp optical path automatic control device according to claim 1, it is characterised in that: the driving circuit is
Drive module ULN2003A.
6. a kind of desk lamp optical path automatic control device according to claim 1, it is characterised in that: the stepper motor is
28BYJ48-5V stepper motor.
7. a kind of installation is just like the desk lamp of any one desk lamp optical path automatic control device of claim 1-6, it is characterised in that: packet
It includes main control board (1), the main control board (1) is mounted in pedestal (2), and the pedestal (2) is equipped with bracket
(3), bracket (3) is connected by revolute pair (10) with pedestal (2), and corner trim button (12) are additionally provided on the pedestal (2)
With power switch (13), the bracket (3) is equipped with elevation angle stepper motor (4), corner stepper motor (5) and lampshade (6), institute
The lampshade (6) stated is equipped with light inlet window (9), is respectively equipped with light source window and photosensitive window in light inlet window (9), light source window and photosensitive window are adopted
It is separated by with baffle, corner control photosensitive sensor (7) and elevation angle control photosensitive sensor (8) is equipped in photosensitive window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811114806.8A CN108954257A (en) | 2018-09-25 | 2018-09-25 | A kind of desk lamp optical path automatic control device and the desk lamp for being equipped with the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811114806.8A CN108954257A (en) | 2018-09-25 | 2018-09-25 | A kind of desk lamp optical path automatic control device and the desk lamp for being equipped with the device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108954257A true CN108954257A (en) | 2018-12-07 |
Family
ID=64472050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811114806.8A Pending CN108954257A (en) | 2018-09-25 | 2018-09-25 | A kind of desk lamp optical path automatic control device and the desk lamp for being equipped with the device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108954257A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688483A (en) * | 2020-12-30 | 2022-07-01 | 欧普照明股份有限公司 | Self-adaptive desk lamp |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203068387U (en) * | 2013-01-23 | 2013-07-17 | 中国计量学院 | Automatically-dimmable LED table lamp |
| CN207053854U (en) * | 2017-08-24 | 2018-02-27 | 杭州峙汇科技有限公司 | Desk lamp angle demodulator |
| CN209196794U (en) * | 2018-09-25 | 2019-08-02 | 徐州工程学院 | A kind of desk lamp optical path automatic control device and the desk lamp for being equipped with the device |
-
2018
- 2018-09-25 CN CN201811114806.8A patent/CN108954257A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203068387U (en) * | 2013-01-23 | 2013-07-17 | 中国计量学院 | Automatically-dimmable LED table lamp |
| CN207053854U (en) * | 2017-08-24 | 2018-02-27 | 杭州峙汇科技有限公司 | Desk lamp angle demodulator |
| CN209196794U (en) * | 2018-09-25 | 2019-08-02 | 徐州工程学院 | A kind of desk lamp optical path automatic control device and the desk lamp for being equipped with the device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688483A (en) * | 2020-12-30 | 2022-07-01 | 欧普照明股份有限公司 | Self-adaptive desk lamp |
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