CN205142576U - Colour temperature automatically regulated's LED lamp house - Google Patents
Colour temperature automatically regulated's LED lamp house Download PDFInfo
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- CN205142576U CN205142576U CN201521016379.1U CN201521016379U CN205142576U CN 205142576 U CN205142576 U CN 205142576U CN 201521016379 U CN201521016379 U CN 201521016379U CN 205142576 U CN205142576 U CN 205142576U
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- led
- light led
- colour temperature
- light
- pwm drive
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Abstract
The utility model discloses a colour temperature automatically regulated's LED lamp house, it includes lamp house box, LED light source module, drive unit, colour temperature control unit, time division multiplex unit and environment induction element, wherein, LED light source module includes a N cold light LED and a N warm light LED, and the colour temperature control unit is connected with environment induction element for light information and temperature information according to environment induction element detects obtain a time data and the 2nd time data, the time division multiplex unit produces a PWM drive signal and the 2nd PWM drive signal according to a time data and the 2nd time data, drive unit is according to a PWM drive signal and the 2nd PWM drive signal, the pleasantly warm light LED work of separately -driven cold light LED to light when making the pleasantly warm light LED of cold light LED different. The utility model discloses not only can user's comfort level be improved according to the change of environment, the superimposed problem of power peak can also be avoided.
Description
Technical field
The utility model relates to LED case field, particularly the LED case that automatically regulates of a kind of colour temperature.
Background technology
In existing lamp box, when LED lamp bead is lighted, be the colour temperature maintaining a setting, due to the light of environment and the change of temperature, the light atmosphere that LED lamp bead presents can make user uncomfortable, such as when temperature is lower, warm colour light should be used, when temperature is higher, cool colour light should be used, especially LED lamp bead should provide the light adapted with light atmosphere, improves to the comfort level of user.
And, when using different PWM drive singal to drive high color temperature LED lamp bead and low colour temperature LED lamp bead respectively, the problem of power peak superposition can be there is, usually power supply is configured with gross power, but actual power consumption only has about 1/2nd of gross power, cause the waste of power, too increase weight simultaneously, volume and cost.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency existing in prior art, provides the LED case that a kind of colour temperature regulates automatically, environmentally factor such as light and temperature, correspondingly provides the light making people comfortable atmosphere.
In order to realize above-mentioned utility model object, the LED case that the utility model provides a kind of colour temperature automatically to regulate, it comprises light box, LED light source module, driver element, colour temperature control unit, time-division multiplexing unit and environment induction unit; Wherein,
Described LED light source module comprises N number of cold light LED and N number of warm light LED; Described environment induction unit is for detecting light information and the temperature information of lamp box surrounding environment;
Described colour temperature control unit is connected with described environment induction unit, for according to the light information of described environment induction unit inspection and temperature information, obtains very first time data and the second time data;
Described time-division multiplexing unit is connected with described colour temperature control unit, for according to described very first time data and described second time data, produces a PWM drive singal and the 2nd PWM drive singal;
Described driver element is connected with described time-division multiplexing unit, for according to a described PWM drive singal and described 2nd PWM drive singal, drive described cold light LED and described warm light LED to work respectively, and light when making described cold light LED different with described warm light LED.
According to a kind of concrete execution mode, described colour temperature control unit comprises microprocessor and A/D change-over circuit; Wherein,
Described environment induction unit is connected with described A/D change-over circuit, is converted to digital signal for the analog signal produced by described environment unit;
Described A/D change-over circuit is connected with described microprocessor, for the digital signal exported according to described A/D change-over circuit, produces a described PWM drive singal and described 2nd PWM drive singal accordingly respectively.
According to a kind of concrete execution mode, described driver element comprises rectification circuit, filter circuit and switch element; Wherein,
The alternating current that outside provides successively by described rectification circuit and described filter circuit, for alternating current is converted to direct current, and filtering ripple;
Anode or the negative terminal of described cold light LED and described warm light LED are connected to described filter circuit jointly, and the negative terminal of described cold light LED and described warm light LED or anode are respectively by a described switch element ground connection;
The control end of the described switch element be connected with described cold light LED passes into a described PWM drive singal, and the control end of the described switch element be connected with described warm light LED passes into described 2nd PWM drive singal.
According to a kind of concrete execution mode, described switch element is controllable tube or metal-oxide-semiconductor.
According to a kind of concrete execution mode, in described LED light source module, described cold light LED and described warm light LED are in alternately arranging.
According to a kind of concrete execution mode, described environment induction unit comprises light sensor and temperature inductor.
Compared with prior art, the beneficial effects of the utility model:
LED light source module of the present utility model has some cold light LED and some warm light LED, and according to the light information of the surrounding environment detected and temperature information, adjustment is used for the PWM drive singal driving cold light LED and warm light LED respectively, thus make LED light source module produce a comfortable light atmosphere, improve the comfort level of user.
And, the utility model, also by arranging time-division multiplexing unit, exporting a PWM drive singal and the 2nd PWM drive singal respectively, and lighting when making cold light LED different with warm light LED, thus solve the problem of power peak superposition, and improve the utilance of power.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model circuit;
Fig. 2 is the structural representation of the utility model light box;
Fig. 3 is the oscillogram of the utility model the one PWM drive singal and the 2nd PWM drive singal;
Fig. 4 is the utility model first embodiment schematic diagram;
Fig. 5 is the utility model second embodiment schematic diagram;
Fig. 6 makes the utility model the 3rd embodiment schematic diagram.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the utility model is only limitted to following embodiment, all technology realized based on the utility model content all belong to scope of the present utility model.
The structural representation of the circuit structure diagram of the present utility model shown in composition graphs 1 and Fig. 2 difference and light box; Wherein, the utility model comprises light box, LED light source module, driver element, colour temperature control unit, time-division multiplexing unit and environment induction unit.
Wherein, LED light source module comprises N number of cold light LED and N number of warm light LED, the light information of environment induction unit inspection lamp box surrounding environment and temperature information.
Colour temperature control unit is connected with environment induction unit, for light information and the temperature information of environmentally sensing unit detection, obtains very first time data and the second time data;
Time-division multiplexing unit is connected with colour temperature control unit, for according to very first time data and the second time data, produces a PWM drive singal and the 2nd PWM drive singal;
Driver element is connected with time-division multiplexing unit, for according to a PWM drive singal and the 2nd PWM drive singal, drives cold light LED and warm light LED to work respectively, and lights when making cold light LED different with warm light LED.
The oscillogram of the utility model shown in composition graphs 3 the one PWM drive singal and the 2nd PWM drive singal; Wherein, the very first time data t1 that time-division multiplexing unit is transmitted according to colour temperature control unit and the second time data t2, generates a PWM drive singal and the 2nd PWM drive singal of corresponding duty ratio respectively.When a PWM drive singal or the 2nd PWM drive singal are positioned at high level, make drive unit drives cold light LED light or warm up light LED and light, thus when avoiding cold light LED and warm light LED to light, cause the problem that power peak superposes simultaneously.
In light box of the present utility model, be provided with some installing racks be parallel to each other, LED light source module is separately fixed between two adjacent installing racks.And light box top is also provided with box body, for installing the electronic units such as colour temperature control unit and driver element, avoids light box to be arranged on outdoor application, when rainwater enters light box, causing the situation of short circuit.
And the environment induction unit in the utility model comprises light sensor and temperature inductor, other the environmental sensor such as PM2.5 can also be comprised.
The utility model first embodiment schematic diagram shown in composition graphs 3; Wherein, colour temperature control unit comprises microprocessor and A/D change-over circuit.
Environment induction unit is connected with A/D change-over circuit, is converted to digital signal for the analog signal produced by environment unit.A/D change-over circuit is connected with microprocessor, for the digital signal exported according to A/D change-over circuit, produces a corresponding PWM drive singal and the 2nd PWM drive singal respectively.
The utility model second embodiment schematic diagram shown in composition graphs 4; Wherein, LED light source module of the present utility model comprises N number of cold light LED and N number of warm light LED, and, in LED light source module of the present utility model, cold light LED and warm light LED are in alternately arranging, such setting make cold light LED and warm light LED mixed light evenly, improve the quality of the light output of LED light source module.
The utility model shown in composition graphs 5 the 3rd embodiment schematic diagram; Wherein, driver element comprises rectification circuit, filter circuit and switch element.
The alternating current that external power source provides successively by rectification circuit and filter circuit, for alternating current is converted to direct current, and filtering ripple.
Anode or the negative terminal of cold light LED and warm light LED are connected to filter circuit jointly, and the negative terminal of cold light LED and warm light LED or anode are respectively by a switch element ground connection.And.The control end of the switch element be connected with cold light LED passes into a PWM drive singal, and the control end of the switch element be connected with warm light LED passes into the 2nd PWM drive singal.
In the present embodiment, each cold light LED or warm light LED all drive conducting by the branch road of unit, when wherein any one LED lamp bead is damaged, can not affect other LED lamp bead, improve job stability of the present utility model.In the present embodiment, switch element adopts controllable tube or metal-oxide-semiconductor.
LED light source module of the present utility model has some cold light LED and some warm light LED, and according to the light information of the surrounding environment detected and temperature information, adjustment is used for the PWM drive singal driving cold light LED and warm light LED respectively, thus make LED light source module produce a comfortable light atmosphere, improve the comfort level of user.
By reference to the accompanying drawings embodiment of the present utility model is described in detail above, but the utility model is not restricted to above-mentioned execution mode, in the spirit and scope situation of claim not departing from the application, those skilled in the art can make various amendment or remodeling.
Claims (6)
1. the LED case that automatically regulates of colour temperature, is characterized in that, comprise light box, LED light source module, driver element, colour temperature control unit, time-division multiplexing unit and environment induction unit; Wherein,
Described LED light source module comprises N number of cold light LED and N number of warm light LED; Described environment induction unit is for detecting light information and the temperature information of lamp box surrounding environment;
Described colour temperature control unit is connected with described environment induction unit, for according to the light information of described environment induction unit inspection and temperature information, obtains very first time data and the second time data;
Described time-division multiplexing unit is connected with described colour temperature control unit, for according to described very first time data and described second time data, produces a PWM drive singal and the 2nd PWM drive singal;
Described driver element is connected with described time-division multiplexing unit, for according to a described PWM drive singal and described 2nd PWM drive singal, drive described cold light LED and described warm light LED to work respectively, and light when making described cold light LED different with described warm light LED.
2. the LED case that automatically regulates of colour temperature as claimed in claim 1, it is characterized in that, described colour temperature control unit comprises microprocessor and A/D change-over circuit; Wherein,
Described environment induction unit is connected with described A/D change-over circuit, is converted to digital signal for the analog signal produced by described environment unit;
Described A/D change-over circuit is connected with described microprocessor, for the digital signal exported according to described A/D change-over circuit, obtains very first time data and the second time data.
3. the LED case that automatically regulates of colour temperature as claimed in claim 2, it is characterized in that, described driver element comprises rectification circuit, filter circuit and switch element; Wherein,
The alternating current that outside provides successively by described rectification circuit and described filter circuit, for alternating current is converted to direct current, and filtering ripple;
Anode or the negative terminal of described cold light LED and described warm light LED are connected to described filter circuit jointly, and the negative terminal of described cold light LED and described warm light LED or anode are respectively by a described switch element ground connection;
The control end of the described switch element be connected with described cold light LED passes into a described PWM drive singal, and the control end of the described switch element be connected with described warm light LED passes into described 2nd PWM drive singal.
4. the LED case that automatically regulates of colour temperature as claimed in claim 3, it is characterized in that, described switch element is controllable tube or metal-oxide-semiconductor.
5. the LED case that the colour temperature as described in one of claims 1 to 3 regulates automatically, is characterized in that, in described LED light source module, described cold light LED and described warm light LED are in alternately arranging.
6. the LED case that automatically regulates of colour temperature as claimed in claim 1, it is characterized in that, described environment induction unit comprises light sensor and temperature inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521016379.1U CN205142576U (en) | 2015-12-09 | 2015-12-09 | Colour temperature automatically regulated's LED lamp house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521016379.1U CN205142576U (en) | 2015-12-09 | 2015-12-09 | Colour temperature automatically regulated's LED lamp house |
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| CN205142576U true CN205142576U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521016379.1U Expired - Fee Related CN205142576U (en) | 2015-12-09 | 2015-12-09 | Colour temperature automatically regulated's LED lamp house |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106211450A (en) * | 2016-07-26 | 2016-12-07 | 四川蓝景光电技术有限责任公司 | A kind of LED mark light source intelligent control system and long-range control method thereof |
| CN106686829A (en) * | 2017-02-17 | 2017-05-17 | 东莞市名展展示柜有限公司 | Method and system for intelligent control of light-change lamp |
| CN108633124A (en) * | 2017-03-20 | 2018-10-09 | 朗德万斯公司 | Light-adjustable LED lamp and its operating method, the lamp driver for light-adjustable LED lamp |
-
2015
- 2015-12-09 CN CN201521016379.1U patent/CN205142576U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106211450A (en) * | 2016-07-26 | 2016-12-07 | 四川蓝景光电技术有限责任公司 | A kind of LED mark light source intelligent control system and long-range control method thereof |
| CN106686829A (en) * | 2017-02-17 | 2017-05-17 | 东莞市名展展示柜有限公司 | Method and system for intelligent control of light-change lamp |
| CN106686829B (en) * | 2017-02-17 | 2018-06-19 | 东莞市名展展示柜有限公司 | The intelligent control method and system of desk lamp with dimmer switch |
| CN108633124A (en) * | 2017-03-20 | 2018-10-09 | 朗德万斯公司 | Light-adjustable LED lamp and its operating method, the lamp driver for light-adjustable LED lamp |
| CN108633124B (en) * | 2017-03-20 | 2021-06-08 | 朗德万斯公司 | Dimmable LED lamp, operation method thereof and lamp driver for dimmable LED lamp |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20171209 |