CN203072192U - LED fluorescent lamp with variable color temperature and control device - Google Patents

LED fluorescent lamp with variable color temperature and control device Download PDF

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Publication number
CN203072192U
CN203072192U CN 201220625980 CN201220625980U CN203072192U CN 203072192 U CN203072192 U CN 203072192U CN 201220625980 CN201220625980 CN 201220625980 CN 201220625980 U CN201220625980 U CN 201220625980U CN 203072192 U CN203072192 U CN 203072192U
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China
Prior art keywords
led
module
temperature
modular converter
control module
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Expired - Fee Related
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CN 201220625980
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Chinese (zh)
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马冬梅
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马冬梅
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Abstract

The utility model discloses an LED fluorescent lamp with variable color temperature, comprising a power controller, an LED fluorescent lamp tube and a temperature sensor, wherein the power controller includes a constant-voltage power module, a temperature sensing and calculation module and an LED current control module, the temperature sensor is connected with the temperature sensing and calculation module, the constant-voltage power module and the temperature sensing and calculation module are connected with the LED current control module, the LED current control module is connected with the LED fluorescent lamp tube, and the LED fluorescent lamp tube includes at least two sets of LED lamp groups with different color temperatures. The utility model further discloses a control device used in the LED fluorescent lamp with variable color temperature. The LED fluorescent lamp with variable color temperature is simple in structure and low in cost, and the color temperature of the LED fluorescent lamp can be adjusted automatically with the change of the external temperature.

Description

Variable colour temperature LED fluorescent lamp and control device
Technical field
The utility model relates to room lighting, relates in particular to variable colour temperature LED fluorescent lamp and control device in home environment or commercial lamp ornaments lighting.
Background technology
Traditional monochromatic illumination light fixture colour temperature is relatively more dull.Chinese patent application discloses a kind of variable colour temperature LED Panel light for No. 201120428054, mainly is to be applied to the view lighting engineering, but its form structure comparatively complexity and manufacturing cost than higher.
The utility model content
The purpose of this utility model is exactly at traditional monochromatic illumination or existing variable colour temperature product, colour temperature is dullness or the high problem of the more complicated cost of structure relatively, a kind of simple in structure and variable colour temperature LED fluorescent lamp that cost is low is provided, and its colour temperature can be adjusted automatically with external temperature.
Another purpose provides a kind of control device for described variable colour temperature LED fluorescent lamp.
For achieving the above object, the utility model is by the following technical solutions:
A kind of variable colour temperature LED fluorescent lamp, comprise power-supply controller of electric, LED fluorescent tube and temperature inductor, described power-supply controller of electric comprises constant voltage source module, temperature sense computing module and LED current control module, described temperature inductor connects described temperature sense computing module, described constant voltage source module is connected described LED current control module with described temperature sense computing module, described LED current control module connects described LED fluorescent tube, and described LED fluorescent tube comprises the LED lamp group of at least two group different-colours.
Can further adopt following technical schemes:
Described constant voltage source module is the AC-DC power transfer module, and described LED current control module comprises at least two DC-DC constant current modular converters.
Described temperature sense computing module comprises the PWM control module, and described PWM control module is used for producing corresponding pwm control signal to described DC-DC constant current modular converter according to the testing result of described temperature inductor.
Described LED fluorescent tube comprises warm white LED lamp group and cold white LED lamp group, described LED current control module comprises a DC-DC constant current modular converter and the 2nd DC-DC constant current modular converter, the two-way PWM output interface of described PWM control module connects the control end of a described DC-DC constant current modular converter and described the 2nd DC-DC constant current modular converter respectively, the output of a described DC-DC constant current modular converter connects described cold white LED lamp group, and the output of described the 2nd DC-DC constant current modular converter connects described warm white LED lamp group.
Described temperature sense computing module comprises single-chip microcomputer at least.
A kind of control device for variable colour temperature LED fluorescent lamp, comprise power-supply controller of electric and temperature inductor, it is characterized in that, described power-supply controller of electric comprises constant voltage source module, temperature sense computing module and LED current control module, described temperature inductor connects described temperature sense computing module, described constant voltage source module is connected described LED current control module with described temperature sense computing module, and described LED current control module is used for exporting the LED lamp group that two-way electric current is at least given different-colour.
Can further adopt following technical schemes:
Described constant voltage source module is the AC-DC power transfer module, and described LED current control module comprises at least one DC-DC constant current modular converter.
Described temperature sense computing module comprises the PWM control module, and described PWM control module is used for producing corresponding pwm control signal to described DC-DC constant current modular converter according to the testing result of described temperature inductor.
Described LED current control module comprises a DC-DC constant current modular converter and the 2nd DC-DC constant current modular converter, the two-way PWM output interface of described PWM control module connects the control end of a described DC-DC constant current modular converter and described the 2nd DC-DC constant current modular converter respectively, the output of a described DC-DC constant current modular converter is used for connecting cold white LED lamp group, and the output of described the 2nd DC-DC constant current modular converter is used for connecting warm white LED lamp group.
Described temperature sense computing module comprises single-chip microcomputer at least.
The utility model beneficial technical effects is:
The utility model provides the variable colour temperature LED fluorescent tube that a kind of structure is simple, reliability is high, the LED fluorescent tube can be adjusted colour temperature according to the variation of ambient temperature automatically, can realize that big reference color temperature is (as the accommodation of 2900K ~ 6500K), and cost is low, installation, easy and simple to handle is highly suitable for family or commercial lamp ornaments lighting.
Preferably, the LED fluorescent tube adopts the combination of the LED lamp group of higher and low two kinds of colour temperatures, and when indoor temperature change generated in case, by control device of the present utility model, the colour temperature of LED fluorescent tube can be followed room temperature and be adjusted automatically.For example, room temperature is that colour temperature is≤2900K below 0 ℃ the time, and room temperature is that 0 ℃~40 ℃ colour temperatures when changing change between 2900K~6500K, and colour temperature was 〉=6500K when room temperature be 〉=40 ℃.Therefore, adopt a LED fluorescent tube just can realize that the colour temperature from warm white to cold white light changes, and pass through the adjustment of LED fluorescent tube colour temperature, realize pleasant lighting environment and environmental protection and energy saving more.
Description of drawings
Fig. 1 is the structured flowchart of a kind of embodiment of the variable colour temperature LED fluorescent tube of the utility model;
Fig. 2 is the structural representation of a kind of more specifically embodiment of the variable colour temperature LED fluorescent tube of the utility model.
Embodiment
By reference to the accompanying drawings the utility model is further described in detail by the following examples.
Consult Fig. 1, in some embodiments, variable colour temperature LED fluorescent lamp comprises power-supply controller of electric, LED fluorescent tube and temperature inductor, described power-supply controller of electric comprises constant voltage source module, temperature sense computing module and LED current control module, described temperature inductor connects described temperature sense computing module, described constant voltage source module is connected described LED current control module with described temperature sense computing module, described LED current control module connects described LED fluorescent tube, and described LED fluorescent tube comprises the LED lamp group of at least two group different-colours.
Consult Fig. 2, preferably, described constant voltage source module is the AC-DC power transfer module, and described LED current control module comprises at least two DC-DC constant current modular converters.
As shown in Figure 2, more preferably, described temperature sense computing module comprises the PWM control module, and described PWM control module is used for producing corresponding pwm control signal to described DC-DC constant current modular converter according to the testing result of described temperature inductor.
As shown in Figure 2, in a kind of preferred embodiment, described LED fluorescent tube comprises warm white LED lamp group and cold white LED lamp group, described LED current control module comprises a DC-DC constant current modular converter and the 2nd DC-DC constant current modular converter, the two-way PWM output interface of described PWM control module connects the control end of a described DC-DC constant current modular converter and described the 2nd DC-DC constant current modular converter respectively, the output of a described DC-DC constant current modular converter connects described cold white LED lamp group, and the output of described the 2nd DC-DC constant current modular converter connects described warm white LED lamp group.
Described temperature sense computing module can adopt single-chip microcomputer.Single-chip microcomputer can be by the AC-DC power transfer module by the power supply of 7805 voltage stabilizing circuits.
As shown in Figure 1, in some embodiments, the control device that is used for variable colour temperature LED fluorescent lamp comprises power-supply controller of electric and temperature inductor, described power-supply controller of electric comprises constant voltage source module, temperature sense computing module and LED current control module, described temperature inductor connects described temperature sense computing module, described constant voltage source module is connected described LED current control module with described temperature sense computing module, and described LED current control module is used for exporting the LED lamp group that two-way electric current is at least given different-colour.
As shown in Figure 2, preferably, described constant voltage source module is the AC-DC power transfer module, and described LED current control module comprises at least two DC-DC constant current modular converters.
As shown in Figure 2, more preferably, described temperature sense computing module comprises the PWM control module, and described PWM control module is used for producing corresponding pwm control signal to described DC-DC constant current modular converter according to the testing result of described temperature inductor.
As shown in Figure 2, in a kind of preferred embodiment, described LED current control module comprises a DC-DC constant current modular converter and the 2nd DC-DC constant current modular converter, the two-way PWM output interface of described PWM control module connects the control end of a described DC-DC constant current modular converter and described the 2nd DC-DC constant current modular converter respectively, the output of a described DC-DC constant current modular converter is used for connecting cold white LED lamp group, and the output of described the 2nd DC-DC constant current modular converter is used for connecting warm white LED lamp group.
In a specific embodiment, the LED fluorescent tube comprises warm white LED (for example colour temperature is at the LED about 2900K) lamp group and cold white light LEDs (for example LED of colour temperature about 6500K) lamp group, and constant voltage source module, temperature sense computing module and LED current control module are formed the constant-current supply controller.The work control procedure of entire product is as follows: constant voltage source module input civil power is AC85V~264V, offers the voltage of each module energy operate as normal after power module is handled; When temperature inductor was sensed environment temperature in real time, the temperature sense computing module calculated corresponding value and offers the LED current control module, and the LED current control module offers corresponding electric current and gives two groups of LED lamp groups; LED lamp group is luminous according to given size of current, and two kinds of different-colour LED are combined into different-colour.
The temperature sense computing module adopts one-chip computer module to realize that its function is as follows:
1, single channel ADC function, the voltage transitions that the external temperature inductive reactance is fed back becomes data, offers PWM and does to change reference.
2, output two-way PWM, PWM1 and PWM2(PWM1 and PWM2 paraphase each other) export the control signal of 20KHZ frequency, PWM1 and PWM2 respectively account for 50% when powering on, and remain unchanged when room temperature is 25 ℃; According to the increase of external temperature, PWM1 increases, otherwise PWM2 reduces; If external temperature reduces, otherwise then.The colour temperature of LED fluorescent tube is along with the accounting of PWM1 and PWM2 changes and electrodeless variation.
Be below 0 ℃ the time in room temperature for example, adjust colour temperature and be≤2900K that room temperature is 0 ℃~40 ℃ when changing, and adjusts colour temperature and changes between 2900K~6500K, when room temperature was 〉=40 ℃, the adjustment colour temperature was 〉=6500K.
By programmed settings, also can be when variations in temperature, two-way PWM to be different from the adjustment of above-mentioned adjustment mode, thereby meet different user for the hobby of colour temperature.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.

Claims (10)

1. variable colour temperature LED fluorescent lamp, comprise power-supply controller of electric, LED fluorescent tube and temperature inductor, it is characterized in that, described power-supply controller of electric comprises constant voltage source module, temperature sense computing module and LED current control module, described temperature inductor connects described temperature sense computing module, described constant voltage source module is connected described LED current control module with described temperature sense computing module, described LED current control module connects described LED fluorescent tube, and described LED fluorescent tube comprises the LED lamp group of at least two group different-colours.
2. variable colour temperature LED fluorescent lamp as claimed in claim 1 is characterized in that, described constant voltage source module is the AC-DC power transfer module, and described LED current control module comprises at least two DC-DC constant current modular converters.
3. variable colour temperature LED fluorescent lamp as claimed in claim 2, it is characterized in that, described temperature sense computing module comprises the PWM control module, and described PWM control module is used for producing corresponding pwm control signal to described DC-DC constant current modular converter according to the testing result of described temperature inductor.
4. variable colour temperature LED fluorescent lamp as claimed in claim 3, it is characterized in that, described LED fluorescent tube comprises warm white LED lamp group and cold white LED lamp group, described LED current control module comprises a DC-DC constant current modular converter and the 2nd DC-DC constant current modular converter, the two-way PWM output interface of described PWM control module connects the control end of a described DC-DC constant current modular converter and described the 2nd DC-DC constant current modular converter respectively, the output of a described DC-DC constant current modular converter connects described cold white LED lamp group, and the output of described the 2nd DC-DC constant current modular converter connects described warm white LED lamp group.
5. as each described variable colour temperature LED fluorescent lamp of claim 1 to 4, it is characterized in that described temperature sense computing module comprises single-chip microcomputer at least.
6. control device that is used for variable colour temperature LED fluorescent lamp, comprise power-supply controller of electric and temperature inductor, it is characterized in that, described power-supply controller of electric comprises constant voltage source module, temperature sense computing module and LED current control module, described temperature inductor connects described temperature sense computing module, described constant voltage source module is connected described LED current control module with described temperature sense computing module, and described LED current control module is used for exporting the LED lamp group that two-way electric current is at least given different-colour.
7. control device as claimed in claim 6 is characterized in that, described constant voltage source module is the AC-DC power transfer module, and described LED current control module comprises at least one DC-DC constant current modular converter.
8. control device as claimed in claim 7, it is characterized in that, described temperature sense computing module comprises the PWM control module, and described PWM control module is used for producing corresponding pwm control signal to described DC-DC constant current modular converter according to the testing result of described temperature inductor.
9. control device as claimed in claim 8, it is characterized in that, described LED current control module comprises a DC-DC constant current modular converter and the 2nd DC-DC constant current modular converter, the two-way PWM output interface of described PWM control module connects the control end of a described DC-DC constant current modular converter and described the 2nd DC-DC constant current modular converter respectively, the output of a described DC-DC constant current modular converter is used for connecting cold white LED lamp group, and the output of described the 2nd DC-DC constant current modular converter is used for connecting warm white LED lamp group.
10. as each described control device of claim 6 to 9, it is characterized in that described temperature sense computing module comprises single-chip microcomputer at least.
CN 201220625980 2012-11-23 2012-11-23 LED fluorescent lamp with variable color temperature and control device Expired - Fee Related CN203072192U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220625980 CN203072192U (en) 2012-11-23 2012-11-23 LED fluorescent lamp with variable color temperature and control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220625980 CN203072192U (en) 2012-11-23 2012-11-23 LED fluorescent lamp with variable color temperature and control device

Publications (1)

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CN203072192U true CN203072192U (en) 2013-07-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104867476A (en) * 2014-02-20 2015-08-26 联想(北京)有限公司 Color temperature adjusting method and electronic device
CN106793256A (en) * 2016-11-29 2017-05-31 苏州市纽克斯照明有限公司 A kind of a home from home light automatic regulation system on a large scale

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104867476A (en) * 2014-02-20 2015-08-26 联想(北京)有限公司 Color temperature adjusting method and electronic device
CN106793256A (en) * 2016-11-29 2017-05-31 苏州市纽克斯照明有限公司 A kind of a home from home light automatic regulation system on a large scale

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C14 Grant of patent or utility model
GR01 Patent grant
LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Assignee: Shenzhen City Joho Led Lighting Co., Ltd.

Assignor: Ma Dongmei

Contract record no.: 2014440020201

Denomination of utility model: LED fluorescent lamp with variable color temperature and control device

Granted publication date: 20130717

License type: Exclusive License

Record date: 20140612

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130717

Termination date: 20151123