CN203632934U - Single-button memory LED color temperature adjusting control circuit - Google Patents
Single-button memory LED color temperature adjusting control circuit Download PDFInfo
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- CN203632934U CN203632934U CN201320809966.0U CN201320809966U CN203632934U CN 203632934 U CN203632934 U CN 203632934U CN 201320809966 U CN201320809966 U CN 201320809966U CN 203632934 U CN203632934 U CN 203632934U
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Abstract
The utility model discloses a single-button memory LED color temperature adjusting control circuit which comprises a switch S1, a driving power supply, a control circuit and an LED lighting unit. The switch S1, the driving power supply, the LED lighting unit and the control circuit are electrically connected in sequence. The control circuit comprises a main control IC, a power supply circuit, a data storage circuit and an adjusting circuit. The data storage circuit and the adjusting circuit are connected to the main control IC. The power supply circuit supplies power to each circuit mentioned above. The adjusting circuit comprises a switching identification circuit, a current-limiting voltage-limiting circuit, an MOS tube and a pulse output circuit. The switching identification circuit is connected between the LED lighting unit and the main control IC in series. The current-limiting voltage-limiting circuit is connected with the MOS tube in parallel, then one end of the current-limiting voltage-limiting circuit is connected with the LED lighting unit, and the other end of the current-limiting voltage-limiting circuit is connected with one end of the pulse output circuit. The other end of the pulse output circuit is connected with the main control IC. The single-button memory LED color temperature adjusting control circuit is simple in circuit structure and can be expanded at random; and a plurality of LED lamp strings can be controlled only by arranging one adjusting circuit corresponding to each LED lamp string, so that the practicality is good.
Description
Technical field
The utility model relates to LED (light-emitting diode), more specifically, relates to a kind of LED colour temperature adjusting control circuit of singly-bound memory.
Background technology
LED lamp is as a kind of new light sources of high benefit, has long, the advantage such as energy consumption is low, energy-conserving and environment-protective of life-span, is therefore widely used in various fields.Along with the extensive use of LED lamp, people are also more and more higher to the requirement of LED lamp, formed the multiple control modes regulating from single brightness regulation to colour temperature.In order not affect the colour temperature drift of LED, the LED lamp great majority of degree of lightening and color-temperature regulating adopt PWM (Pulse Width Modulation, pulse width modulation) mode or adopt multiple switches to carry out colour temperature adjusting.
Wherein, while adopting PWM mode color-temperature regulating, there is the problem of power peak stack.For fear of power supply overload, the power supply changeover device of color-temperature regulating LED lamp is to be configured with the gross power of whole light source modules.But the actual power loss maximum of color-temperature regulating LED lamp only has 1/2nd left and right of power supply changeover device power output, can cause like this power waste of configuration, meanwhile, also cause that power supply changeover device volume is large, weight is heavier, the defect that cost is relatively high.
And adopting multiple switches to control colour temperature, its operation is more loaded down with trivial details, makes troubles to user.
In addition, also have the method that realizes color-temperature regulating by WIFI, bluetooth and Radio infrared remote control, but its cost compare is high, and will designs special power supply circuits.
Utility model content
Therefore, for above-mentioned problem, the utility model proposes singly-bound memory LED colour temperature adjusting control circuit with low cost, adopt singly-bound can realize colour temperature and regulate, thus the deficiency of solution prior art.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is, a kind of singly-bound memory LED colour temperature adjusting control circuit, comprise switch S 1, driving power, control circuit and LED luminescence unit, switch S 1, driving power, LED luminescence unit and control circuit are electrically connected in turn, described control circuit comprises master control IC, power supply circuits, data storage circuitry, Circuit tuning, data storage circuitry, Circuit tuning is all connected to master control IC, power supply circuits are above-mentioned each circuit supply, described Circuit tuning comprises switch identification circuit, current limiting pressure-limiting circuit, metal-oxide-semiconductor and impulse output circuit, switch identification circuit is serially connected with between LED luminescence unit and master control IC, after current limiting pressure-limiting circuit is in parallel with metal-oxide-semiconductor, an end is connected to LED luminescence unit, and the other end is connected to one end of impulse output circuit, and the other end of impulse output circuit is connected with master control IC.
Further, described LED luminescence unit comprises multiple LED lamp strings that are connected in parallel.
Further, the quantity of described Circuit tuning is identical with the quantity of LED lamp string, the corresponding Circuit tuning of each LED lamp string.
The utility model adopts foregoing circuit, and by the open and close of single switch, switch identification circuit is obtained signal and controlled respectively multi-way LED lamp to control circuit.On switch S 1 is closed time, driving power output voltage electric current is by the negative pole of LED luminescence unit, at this time not conducting of MOS, power supply circuits on control board obtain electric current starts working master control IC, and makes metal-oxide-semiconductor conducting respectively with the colour temperature output corresponding pulses voltage setting.In the time that switch S 1 is separated, driving power output voltage reduces, switch identification electric circuit inspection on control board is closed to driving power, when master control IC stop pulse is exported and starts to continue, when detect that again driving power has Voltage-output in certain hour (within 3S), so just jump to next colour temperature output.When output certain hour (more than 5S) switch identification circuit does not detect driving power closed condition, current colour temperature is just stored in data storage so, when turn on light next time, just exports with this colour temperature.
Compared with prior art, the utility model has the advantage of: 1, the supply power mode of control circuit is directly from LED cathode output end, and therefore, control circuit can not impact the power efficiency of driving power; 2, do not require the output voltage of driving power, be suitable for isolation or the non-isolation drive power supply of various output voltages; 3, can remember the colour temperature section of last use; 4, circuit structure of the present utility model is simple, can arbitrarily expand, if want to control multiple LED lamp strings, only needs this LED lamp string correspondence that one Circuit tuning is set, and has good practicality.
Accompanying drawing explanation
Fig. 1 is the theory diagram of embodiment 1 of the present utility model;
Fig. 2 is the theory diagram of embodiment 2 of the present utility model.
Embodiment
Now with embodiment, the utility model is further illustrated by reference to the accompanying drawings.
The object that realizes of the present utility model is, by existing LED colour temperature adjusting control circuit is improved, makes user can pass through the switch key of common family, can realize control light fixture, make its reach adjustable cold in vain, just white, warm white more than three kinds colour temperature.
embodiment 1
Referring to Fig. 1, a kind of singly-bound memory LED colour temperature adjusting control circuit, comprise switch S 1, driving power, control circuit and LED luminescence unit, switch S 1, driving power, LED luminescence unit and control circuit are electrically connected in turn, described control circuit comprises master control IC, power supply circuits, data storage circuitry, Circuit tuning, data storage circuitry, Circuit tuning is all connected to master control IC, power supply circuits are above-mentioned each circuit supply, described Circuit tuning comprises switch identification circuit, current limiting pressure-limiting circuit, metal-oxide-semiconductor and impulse output circuit, switch identification circuit is serially connected with between LED luminescence unit and master control IC, after current limiting pressure-limiting circuit is in parallel with metal-oxide-semiconductor, an end is connected to LED luminescence unit, and the other end is connected to one end of impulse output circuit, and the other end of impulse output circuit is connected with master control IC.
Wherein, described LED luminescence unit comprises multiple LED lamp pearls that are connected in series.
In foregoing circuit, by the open and close of single switch, switch identification circuit is obtained signal and is controlled respectively multi-way LED lamp to control circuit.On switch S 1 is closed time, driving power output voltage electric current is by the negative pole of LED luminescence unit, at this time not conducting of MOS, power supply circuits on control board obtain electric current starts working master control IC, and makes metal-oxide-semiconductor conducting respectively with the colour temperature output corresponding pulses voltage setting.In the time that switch S 1 is separated, driving power output voltage reduces, switch identification electric circuit inspection on control board is closed to driving power, when master control IC stop pulse is exported and starts to continue, when detect that again driving power has Voltage-output in certain hour (within 3S), so just jump to next colour temperature output.When output certain hour (more than 5S) switch identification circuit does not detect driving power closed condition, current colour temperature is just stored in data storage so, when turn on light next time, just exports with this colour temperature.
embodiment 2
In the present embodiment, described LED luminescence unit comprises two LED lamp strings that are connected in parallel (being designated as a LED lamp string and the 2nd LED lamp string).Every string LED lamp string comprises multiple LED lamp pearls that are connected in series.The one LED lamp string and the 2nd LED lamp string are all serially connected with between driving power and control circuit.
The present embodiment as different from Example 1, identical with the quantity of LED lamp string, and the quantity of described Circuit tuning also has two.Referring to Fig. 2, described control circuit comprises master control IC, power supply circuits, data storage circuitry, the first Circuit tuning and the second Circuit tuning, data storage circuitry, the first Circuit tuning and the second Circuit tuning are all connected to master control IC, power supply circuits are above-mentioned each circuit supply, described the first Circuit tuning comprises the first switch identification circuit, the first current limiting pressure-limiting circuit, the first metal-oxide-semiconductor (MOS1) and the first impulse output circuit, and the first switch identification circuit is serially connected with between a LED lamp string and master control IC; After the first current limiting pressure-limiting circuit is in parallel with the first metal-oxide-semiconductor, an end is connected to the first LED lamp string, and the other end is connected to one end of the first impulse output circuit, and the other end of the first impulse output circuit is connected with master control IC.Described the second Circuit tuning comprises second switch identification circuit, the second current limiting pressure-limiting circuit, the second metal-oxide-semiconductor (MOS2) and the second impulse output circuit, and second switch identification circuit is serially connected with between the 2nd LED lamp string and master control IC; After the second current limiting pressure-limiting circuit is in parallel with the second metal-oxide-semiconductor, an end is connected to the second LED lamp string, and the other end is connected to one end of the second impulse output circuit, and the other end of the second impulse output circuit is connected with master control IC.
In addition, if want to control multiple LED lamp strings, quantity that only need to Circuit tuning is set to identical with the quantity of LED lamp string, each LED lamp string correspondence one Circuit tuning.
The utility model adopts foregoing circuit structure, and the supply power mode of its control circuit is directly from LED cathode output end, and therefore, control circuit can not impact the power efficiency of driving power; Meanwhile, do not require the output voltage of driving power, be suitable for isolation or the non-isolation drive power supply of various output voltages; In addition, its drive circuit, by data storage circuitry, can be remembered the colour temperature section of last use.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection range of the present utility model.
Claims (3)
1. singly-bound memory LED colour temperature adjusting control circuit, it is characterized in that: comprise switch S 1, driving power, control circuit and LED luminescence unit, switch S 1, driving power, LED luminescence unit and control circuit are electrically connected in turn, described control circuit comprises master control IC, power supply circuits, data storage circuitry, Circuit tuning, data storage circuitry, Circuit tuning is all connected to master control IC, power supply circuits are above-mentioned each circuit supply, described Circuit tuning comprises switch identification circuit, current limiting pressure-limiting circuit, metal-oxide-semiconductor and impulse output circuit, switch identification circuit is serially connected with between LED luminescence unit and master control IC, after current limiting pressure-limiting circuit is in parallel with metal-oxide-semiconductor, an end is connected to LED luminescence unit, and the other end is connected to one end of impulse output circuit, and the other end of impulse output circuit is connected with master control IC.
2. singly-bound memory LED colour temperature adjusting control circuit according to claim 1, is characterized in that: described LED luminescence unit comprises multiple LED lamp strings that are connected in parallel.
3. singly-bound memory LED colour temperature adjusting control circuit according to claim 2, is characterized in that: the quantity of described Circuit tuning is identical with the quantity of LED lamp string the corresponding Circuit tuning of each LED lamp string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320809966.0U CN203632934U (en) | 2013-12-11 | 2013-12-11 | Single-button memory LED color temperature adjusting control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320809966.0U CN203632934U (en) | 2013-12-11 | 2013-12-11 | Single-button memory LED color temperature adjusting control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN203632934U true CN203632934U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320809966.0U Expired - Fee Related CN203632934U (en) | 2013-12-11 | 2013-12-11 | Single-button memory LED color temperature adjusting control circuit |
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| CN (1) | CN203632934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107018592A (en) * | 2017-03-20 | 2017-08-04 | 吴广毅 | A kind of LED of tunable optical color-temperature regulating |
-
2013
- 2013-12-11 CN CN201320809966.0U patent/CN203632934U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107018592A (en) * | 2017-03-20 | 2017-08-04 | 吴广毅 | A kind of LED of tunable optical color-temperature regulating |
| CN107018592B (en) * | 2017-03-20 | 2019-01-11 | 吴广毅 | A kind of LED light of tunable optical color-temperature regulating |
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| 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 |
Granted publication date: 20140604 Termination date: 20171211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |