CN108317489A - desk lamp brightness adjusting method, system and intelligent desk lamp - Google Patents
desk lamp brightness adjusting method, system and intelligent desk lamp Download PDFInfo
- Publication number
- CN108317489A CN108317489A CN201711412691.6A CN201711412691A CN108317489A CN 108317489 A CN108317489 A CN 108317489A CN 201711412691 A CN201711412691 A CN 201711412691A CN 108317489 A CN108317489 A CN 108317489A
- Authority
- CN
- China
- Prior art keywords
- desk lamp
- brightness
- distance
- mapping table
- pwm controller
- 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.)
- Pending
Links
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
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0471—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of desk lamp brightness adjusting methods, including step：After desk lamp startup, detection human body is at a distance from desk lamp；According to the brightness of preset mapping table adjustable desk lamp；The mapping table is the relation table of the distance and brightness.The invention also discloses a kind of desk lamp brightness control system and intelligent desk lamps.For the present invention by distance and the mapping table of brightness come adjustable desk lamp brightness, automation is high, plays a protective role to eyes.
Description
Technical field
The present invention relates to a kind of desk lamp technical field more particularly to desk lamp brightness adjusting method, system and intelligent desk lamps.
Background technology
Desk lamp is one kind of lamp, this electric appliance is predominantly disposed on desk or dining table, is packaged type so that illumination is used
Lamps and lanterns.The bright range of exposures of desk lamp is relatively small and concentrates, thus does not interfere with the light in entire room, effect limitation
Around desk lamp, convenient for reading, learning, the energy is saved in work.Small and exquisite exquisiteness is convenient for carrying.
Existing desk lamp is provided with brightness regulating circuit mostly, mainly adjusts platform by adjusting the duty ratio of power supply circuit
What lamp was controlled by the time of electric current and obstructed overcurrent ratio, since human eye has eye storage characteristic, as long as so frequency ratio
Higher to can't see flicker, certainly bigger than the time scale of obstructed overcurrent by electric current, the work(that desk lamp is done is more,
Also brighter in this way, to realize the brightness regulation of desk lamp.But this adjusting method is artificially to manually complete, rule of thumb
Or dazzling situation whether occur and be adjusted, it is ineffective, still can eyes be caused with certain damage.
Invention content
For overcome the deficiencies in the prior art, one of the objects of the present invention is to provide a kind of desk lamp brightness adjusting method,
, by distance and the mapping table of brightness come adjustable desk lamp brightness, automation is high, plays a protective role to eyes for it.
The second object of the present invention is to provide a kind of desk lamp brightness control system, passes through the mapping table of distance and brightness
Carry out adjustable desk lamp brightness, automation is high, plays a protective role to eyes.
The third object of the present invention is to provide a kind of intelligent desk lamp with above-mentioned desk lamp brightness control system.
An object of the present invention adopts the following technical scheme that realization：
A kind of desk lamp brightness adjusting method, including step：
After desk lamp startup, detection human body is at a distance from desk lamp；
According to the brightness of preset mapping table adjustable desk lamp；The mapping table is the relation table of the distance and brightness.
Further, the mapping table represents brightness with Y-axis, and distance is represented with X-axis, in downwardly open parabola shaped.
Further, the method for the brightness of adjustable desk lamp is：
It is realized by the duty ratio of adjustable desk lamp power supply circuit.
The second object of the present invention adopts the following technical scheme that realization：
A kind of desk lamp brightness control system, including：
Rangefinder, for after desk lamp startup, detection human body to be at a distance from desk lamp；
Power supply circuit, for driving desk lamp to start；
PWM controller, the duty ratio for adjusting power supply circuit；
Memory, for storing preset mapping table；The mapping table is the relation table of the distance and brightness；
The input terminal of the PWM controller is electrically connected with rangefinder and memory respectively, the output of the PWM controller
End and the input terminal of PWM controller are electrically connected, and the output end of the PWM controller and the control terminal of power supply circuit electrically connect
It connects, after PWM controller receives human body at a distance from desk lamp, power supply circuit is adjusted by PWM controller according to mapping table
Duty ratio.
Further, the mapping table represents brightness with Y-axis, and distance is represented with X-axis, in downwardly open parabola shaped.
Further, the rangefinder is infrared ambulator.
The third object of the present invention adopts the following technical scheme that realization：
A kind of intelligent desk lamp comprising the desk lamp brightness control system of the two of the object of the invention.
Compared with prior art, the beneficial effects of the present invention are：
Mapping table is arranged in the present invention, after obtaining human body at a distance from desk lamp, by mapping table come the brightness of adjustable desk lamp, certainly
Dynamicization degree is high, and since mapping table is obtained according to the experiment of expert or engineer, practicability is wide, and good guarantor is played to eyes
Shield acts on.
Description of the drawings
Fig. 1 is the flow chart of the desk lamp brightness adjusting method of the embodiment of the present invention one；
Fig. 2 is the structure diagram of the desk lamp brightness control system of the embodiment of the present invention two.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the present invention is described further, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
Embodiment one
It please refers to shown in Fig. 1, a kind of desk lamp brightness adjusting method, including step：
110, after desk lamp startup, detection human body is at a distance from desk lamp.
After desk lamp (use LED lamp bead) starts, the corresponding equipment for detecting human body and desk lamp distance also upper electric-opening can be with
Human body is measured in real time at a distance from desk lamp.In a preferred embodiment of the present invention, desk lamp be mainly used for student be positioned over write on see
Book writes used, and therefore, the distance for measuring human body and desk lamp is preferably human body head at a distance from desk lamp, certainly, the detection
The equipment of human body and desk lamp distance can be disposed on desk lamp, can also be space where desk or desk other
Position, in the present invention, for being installed on desk lamp.
120, according to the brightness of preset mapping table adjustable desk lamp；The mapping table is the relationship of the distance and brightness
Table.
The method of the brightness of adjustable desk lamp is：According to actually detected distance, inquiry mapping table obtains brightness value, meanwhile,
Brightness value corresponds to the duty ratio of power supply circuit again, and making its duty ratio by adjustable desk lamp power supply circuit, (for accurate, adjusting accounts for
Sky is than that should be for LED lamp bead for) reach corresponding brightness value, the LED lamp bead of duty ratio adjustment desk lamp by electric current with
The time of obstructed overcurrent than controlling, since human eye has eye storage characteristic, as long as so frequency it is relatively high be do not see
Come what is flickered, certainly bigger than the time scale of obstructed overcurrent by electric current, the work(that LED lamp bead is done is more, so also
It is brighter, to realize the brightness regulation of desk lamp.
Since head distance desk lamp is excessively close, then desk lamp brightness is too high can stimulate eyes, and destage lamp theoretically should too far
Make desk lamp brightness higher, but there is two problems here, first, possible human body has had moved away from desk, brightness is too high to make
At the waste of electricity；Second is that even if human body without far from desk, destage lamp too far when, other things or posture may done
It is incorrect, therefore brightness is turned down to attention or the saving electricity that can arouse user.Implementation as one preferred,
Mapping table represents brightness with Y-axis, and in the case of representing distance with X-axis, in downwardly open parabola shaped, parabolical vertex is
Corresponding human body is at a distance from desk lamp when desk lamp is most bright, this distance distance best when being also study, therefore, which also rises
To certain effect to correct faulty sitting posture.
Embodiment two
Embodiment two discloses a kind of desk lamp brightness control system of corresponding above-described embodiment, please refers to shown in Fig. 2, packet
It includes：
Rangefinder 210, for after desk lamp startup, for detection human body at a distance from desk lamp, rangefinder to use infrared distance measuring
Instrument；
Power supply circuit 220, for driving desk lamp to start；
PWM controller 230, the duty ratio for adjusting power supply circuit；
Memory 240, for storing preset mapping table；The mapping table is the relation table of the distance and brightness；
The input terminal of the PWM controller is electrically connected with rangefinder and memory respectively, the output of the PWM controller
End and the input terminal of PWM controller are electrically connected, and the output end of the PWM controller and the control terminal of power supply circuit electrically connect
It connects, after PWM controller receives human body at a distance from desk lamp, power supply circuit is adjusted by PWM controller according to mapping table
Duty ratio.
Embodiment three
The present invention also provides a kind of intelligent desk lamp, which includes：
Table lamp body and the LED lamp bead being installed in table lamp body, and
Rangefinder is installed in table lamp body, for after desk lamp startup, detection human body to be at a distance from desk lamp；
Power supply circuit is located on the circuit board in table lamp body, for driving LED lamp bead to start；
PWM controller is located on the circuit board in table lamp body, the duty ratio for adjusting power supply circuit；
Memory is located on the circuit board in table lamp body, for storing preset mapping table；The mapping table is described
The relation table of distance and brightness；
The input terminal of the PWM controller is electrically connected with rangefinder and memory respectively, the output of the PWM controller
End and the input terminal of PWM controller are electrically connected, and the output end of the PWM controller and the control terminal of power supply circuit electrically connect
It connects, after PWM controller receives human body at a distance from desk lamp, power supply circuit is adjusted by PWM controller according to mapping table
Duty ratio.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (7)
1. a kind of desk lamp brightness adjusting method, which is characterized in that including step：
After desk lamp startup, detection human body is at a distance from desk lamp；
According to the brightness of preset mapping table adjustable desk lamp；The mapping table is the relation table of the distance and brightness.
2. desk lamp brightness adjusting method as described in claim 1, which is characterized in that the mapping table represents brightness with Y-axis, with
X-axis represents distance, in downwardly open parabola shaped.
3. desk lamp brightness adjusting method as described in claim 1, which is characterized in that the method for the brightness of adjustable desk lamp is：
It is realized by the duty ratio of adjustable desk lamp power supply circuit.
4. a kind of desk lamp brightness control system, which is characterized in that including：
Rangefinder, for after desk lamp startup, detection human body to be at a distance from desk lamp；
Power supply circuit, for driving desk lamp to start；
PWM controller, the duty ratio for adjusting power supply circuit；
Memory, for storing preset mapping table；The mapping table is the relation table of the distance and brightness；
The input terminal of the PWM controller is electrically connected with rangefinder and memory respectively, the output end of the PWM controller with
The input terminal of PWM controller is electrically connected, and the output end of the PWM controller and the control terminal of power supply circuit are electrically connected, with
After PWM controller receives human body at a distance from desk lamp, the duty of power supply circuit is adjusted by PWM controller according to mapping table
Than.
5. desk lamp brightness control system as claimed in claim 4, which is characterized in that the mapping table represents brightness with Y-axis, with
X-axis represents distance, in downwardly open parabola shaped.
6. desk lamp brightness control system as claimed in claim 4, which is characterized in that the rangefinder is infrared ambulator.
7. a kind of intelligent desk lamp, which is characterized in that it includes claim 4-6 any one of them desk lamp brightness control systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711412691.6A CN108317489A (en) | 2017-12-24 | 2017-12-24 | desk lamp brightness adjusting method, system and intelligent desk lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711412691.6A CN108317489A (en) | 2017-12-24 | 2017-12-24 | desk lamp brightness adjusting method, system and intelligent desk lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108317489A true CN108317489A (en) | 2018-07-24 |
Family
ID=62890850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711412691.6A Pending CN108317489A (en) | 2017-12-24 | 2017-12-24 | desk lamp brightness adjusting method, system and intelligent desk lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108317489A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113709359A (en) * | 2021-07-14 | 2021-11-26 | 安克创新科技股份有限公司 | Image acquisition device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062669A (en) * | 2013-01-28 | 2013-04-24 | 吉首大学 | Adjustable myopia-prevention desk lamp |
| CN203784725U (en) * | 2013-09-26 | 2014-08-20 | 吴泽仪 | Intelligent dimming table lamp |
| CN104394625A (en) * | 2014-11-21 | 2015-03-04 | 广西智通节能环保科技有限公司 | Adaptive brightness type table lamp |
| CN204328624U (en) * | 2014-12-24 | 2015-05-13 | 深圳市易特科信息技术有限公司 | Intelligent healthy based on human body attitude eye protective device |
| CN105845102A (en) * | 2016-05-19 | 2016-08-10 | 合肥惠科金扬科技有限公司 | Environment-based screen brightness adjusting circuit and display screen |
| CN205611004U (en) * | 2016-05-17 | 2016-09-28 | 陕西科技大学 | Intelligence LED device of adjusting luminance |
-
2017
- 2017-12-24 CN CN201711412691.6A patent/CN108317489A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062669A (en) * | 2013-01-28 | 2013-04-24 | 吉首大学 | Adjustable myopia-prevention desk lamp |
| CN203784725U (en) * | 2013-09-26 | 2014-08-20 | 吴泽仪 | Intelligent dimming table lamp |
| CN104394625A (en) * | 2014-11-21 | 2015-03-04 | 广西智通节能环保科技有限公司 | Adaptive brightness type table lamp |
| CN204328624U (en) * | 2014-12-24 | 2015-05-13 | 深圳市易特科信息技术有限公司 | Intelligent healthy based on human body attitude eye protective device |
| CN205611004U (en) * | 2016-05-17 | 2016-09-28 | 陕西科技大学 | Intelligence LED device of adjusting luminance |
| CN105845102A (en) * | 2016-05-19 | 2016-08-10 | 合肥惠科金扬科技有限公司 | Environment-based screen brightness adjusting circuit and display screen |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113709359A (en) * | 2021-07-14 | 2021-11-26 | 安克创新科技股份有限公司 | Image acquisition device |
| CN113709359B (en) * | 2021-07-14 | 2023-09-01 | 安克创新科技股份有限公司 | Image acquisition device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104469022A (en) | Backlight lamp regulation method and system and handheld terminal | |
| CN104105260A (en) | System capable of automatically adjusting brightness of lamp based on APP system by utilizing ambient light sensor of mobile phone | |
| CN103727445A (en) | Table lamp | |
| CN211875898U (en) | Table lamp capable of being automatically adjusted along with reading area | |
| CN104394625A (en) | Adaptive brightness type table lamp | |
| CN105135263A (en) | Brightness-adaptive table lamp based on image analysis | |
| CN108317489A (en) | desk lamp brightness adjusting method, system and intelligent desk lamp | |
| CN204362353U (en) | There is the touch lamp dimmer of sight protection function | |
| CN204100012U (en) | Intelligent desk lamp capable of automatic regulating brightness | |
| CN104976541A (en) | Intelligent light-sensing table lamp | |
| CN206018361U (en) | Eye-protecting desk lamp | |
| CN204986621U (en) | Intelligence desk lamp based on STC89C52 singlechip | |
| WO2016165342A1 (en) | Method and terminal for controlling indicator lamp brightness | |
| CN202738223U (en) | Automatic dimming desk lamp | |
| CN107166212A (en) | A kind of Multifunctional eye-protecting table lamp | |
| CN205232529U (en) | Intelligent desk lamp lighting system of integration based on intelligent terminal observes and controls | |
| CN209845390U (en) | Intelligent learning desk lamp | |
| CN208983083U (en) | A kind of LED desk lamp with over-voltage over-current protection and adjustable lamp light colour temperature | |
| CN206904698U (en) | A kind of LED desk lamp with emergency function | |
| CN209072769U (en) | Thyristor regulating optical module based on adjustable photo resistance | |
| CN2466487Y (en) | Intelligent desk lamp | |
| CN201575358U (en) | Table lamp with small light-controlled night lamp | |
| CN217936031U (en) | Photosensitive dimming circuit and remote controller | |
| CN204350402U (en) | Based on the eye-protecting lamp controller that sitting posture video detects | |
| CN206330016U (en) | A kind of study is with intensity adjustable LED lamp affixed to the ceilings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180724 |
|
| WD01 | Invention patent application deemed withdrawn after publication |