CN107995764A - Christmas lamp control circuit, method and its lamp string control chip - Google Patents
Christmas lamp control circuit, method and its lamp string control chip Download PDFInfo
- Publication number
- CN107995764A CN107995764A CN201711499094.1A CN201711499094A CN107995764A CN 107995764 A CN107995764 A CN 107995764A CN 201711499094 A CN201711499094 A CN 201711499094A CN 107995764 A CN107995764 A CN 107995764A
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- Prior art keywords
- control chip
- lamp string
- lamp
- unit
- string control
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 11
- 239000004065 semiconductor Substances 0.000 claims description 6
- 230000006837 decompression Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 239000003381 stabilizer Substances 0.000 description 2
- 101001128814 Pandinus imperator Pandinin-1 Proteins 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
Abstract
A kind of Christmas lamp control circuit, method and its lamp string control chip, the integrated chip have logic control element (1), keystroke handling unit (5), the signal generation unit (6) for producing light controling signal, oscillating unit (2), the voltage conversion unit (3), zero passage detection unit (4) and driving unit (7) for powering to each unit circuit for providing clock signal.The Christmas lamp control circuit includes power circuit, controlling switch, above-mentioned control chip and some lamps.This method includes：The one or more groups of lamps for forming Christmas lamp are controlled using one or more above-mentioned lamp string control chips, one or more groups of lamps are connected directly between the corresponding output pin of power supply and the corresponding lamp string control chip.Total parts number of lamp string control circuit is greatly reduced by said chip, so as to improve the reliability of lamp string control circuit, production convenience, and reduces the cost of lamp string control circuit.
Description
Technical field
The present invention relates to the control circuit of Christmas lamp, more particularly to a kind of lamp string control chip, and it is related to using this
The existing method of Christmas lamp control circuit and Christmas lamp control of lamp string control chip.
Background technology
In consumer electronics market, Christmans light string is long lasting product, but the Christmas lamp seen currently on the market
Control box also rest on the technology before 30 or 40 years, its control circuit as shown in Figure 1, Fig. 2 for existing Christmans light string control core
The block diagram of piece, with reference to Fig. 1, wherein, dropping resistor R2, capacitance C2 and voltage-stabiliser tube ZD1 form regulator circuit and are supplied to control chip U1
Electricity, resistance R3 form oscillating unit with related elements in chip, and resistance R1 and capacitance C1 are used to form zero cross detection circuit, the mistake
Zero detection circuit is connected in ac circuit correspondingly also needs two diodes of configuration to form zero passage together in control chip U1
Detection circuit, four thyratron T1-T4 distinguish four lamps of drive control.As seen from Figure 1, which includes fuse F1, high pressure
Capacitance XC1, rectifier bridge BD1, electrolytic capacitor C2, ceramic condenser C1, two resistance R2 and R1, voltage-stabiliser tube ZD1, controlling switch S1,
Four thyratron T1-T4 and control chip U1, circuit up to 14 elements are complicated, these result in this lamp string control
The defects of circuit production is inconvenient, of high cost, poor reliability.
The content of the invention
The object of the present invention is to provide a kind of lamp string control chip, to simplify lamp string control circuit, reduces cost and carries
High product reliability and production convenience.And on this basis, there is provided a kind of Christmas lamp control circuit and a kind of Christmas lamp
Control method.
In order to achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of lamp string control chip, the lamp string control chip include：Logic control element；Be connected to key-press input foot and
Keystroke handling unit between the logic control element；And it is connected to produce signal light control with the logic control element
The signal generation unit of signal；The lamp string control chip further includes：The oscillating unit of clock signal is provided；With high input voltage foot
It is connected to the voltage conversion unit powered to each unit circuit；It is connected to lower margin, the voltage conversion unit and the logic
Zero passage detection unit between control unit；And it is connected to the driving unit between output pin and the signal generation unit.
In above-mentioned lamp string control chip, it is preferable that the lamp string control chip further includes excess temperature detection unit, described
Excess temperature detection unit is connected with the logic control element.
In above-mentioned lamp string control chip, it is preferable that the driving unit includes metal-oxide-semiconductor.
In above-mentioned lamp string control chip, it is preferable that the voltage conversion unit includes two pole of dropping resistor and voltage stabilizing
Pipe.
In above-mentioned lamp string control chip, it is preferable that the zero passage detection unit is connected to the voltage conversion unit
Input terminal.
In above-mentioned lamp string control chip, it is preferable that the lamp string control chip includes：
High input voltage foot VHDD；Lower margin GND；
Key-press input foot TG；Four output pins L1, L2, L3, L4.
In above-mentioned lamp string control chip, it is preferable that totally 8 pins, 8 pins define such as the lamp string control chip
Under：
A kind of Christmas lamp control circuit, the Christmas lamp control circuit include power circuit, controlling switch, control chip with
And some lamps, wherein, the control chip is the lamp string control chip described in above-mentioned any one, one end of some lamps with
The output terminal connection of the power circuit, other end connection corresponding with the output pin of the control chip.
In above-mentioned Christmas lamp control circuit, it is preferable that the power circuit is by safety element, filter element and rectification
Element is formed.
A kind of existing method of Christmas lamp control, the Christmas lamp control method include：Using one or more above-mentioned
Lamp string control chip is controlled the one or more groups of lamps for forming the Christmas lamp, and one or more groups of lamps are connected directly between
Between the corresponding output end of power supply and the corresponding lamp string control chip.
Compared with prior art, the present invention at least has the advantages that：
Above-mentioned lamp string control chip is also integrated in addition to logic control element, keystroke handling unit and signal generation unit
There are oscillating unit, voltage conversion unit, zero passage detection unit and driving unit, therefore lamp string control circuit can be greatly reduced
Total parts number, so as to improve the reliability of lamp string control circuit, production convenience, and reduce lamp string control circuit into
This.
Brief description of the drawings
Fig. 1 is the circuit diagram of existing Christmas lamp；
Fig. 2 is the block diagram of existing Christmans light string control chip；
Fig. 3 is the block diagram of some embodiment lamp string control chips；
Fig. 4 is the circuit diagram of some embodiment Christmas lamp control circuits.
Embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
With reference to Fig. 3, some embodiment lamp string control chips include：Logic control element 1, oscillating unit 2, voltage conversion list
Member 3, zero passage detection unit 4, keystroke handling unit 5, signal generation unit 6 and driving unit 7.
Oscillating unit 2 is used to provide clock signal.Can be by the external resistance collection in available circuit in some embodiments
Into in control chip.
Voltage conversion unit 3 and high input voltage foot VHDD is connected to power to each unit circuit, and more specifically one
High voltage direct current is converted to the circuit of low-voltage DC by kind.In some preferred embodiment, the voltage conversion unit 3 includes
Dropping resistor and zener diode.
Zero passage detection unit 4 is connected between lower margin GND, the voltage conversion unit 3 and the logic control element 1.
In some preferred embodiment, the zero passage detection unit 4 is connected to the input terminal of the voltage conversion unit 1, namely described
High input voltage foot VHDD, namely zero passage detection is done with the high pressure after exterior rectifier bridge rectification, controlled compared to existing Christmas lamp
Chip, zero passage detection input pin and high input voltage foot in these preferred embodiment chips are same pin, i.e., only one
High pressure pin.
Keystroke handling unit 5 is connected between key-press input foot TG and the logic control element 1.
Signal generation unit 6 is connected to produce light controling signal with the logic control element 1, that is, controls lamp string
The signal of flash model, can be realized by related software or pulse signal producer or its combination, as long as phase can be produced
The signal of pulsewidth and/or frequency is answered, can be identical with the signal generation unit in existing Christmas lamp control chip.
Driving unit 7 is connected between output pin and the signal generation unit 6.In some preferred embodiment, drive
Unit 7 includes metal-oxide-semiconductor, such as four metal-oxide-semiconductors, five metal-oxide-semiconductors, and particular number can design, this hair depending on chip output pin
The bright quantity to forming the metal-oxide-semiconductor of driving unit 7 is not limited.
Compared to existing Christmas lamp control chip, above-mentioned lamp string control chip is except logic control element 1, keystroke handling
Outside unit 5 and signal generation unit 6, it is single to be also integrated with oscillating unit 2, voltage conversion unit 3, zero passage detection unit 4 and driving
Member 7, therefore can greatly reduce total parts number of lamp string control circuit, so as to improve the reliability of lamp string control circuit,
Convenience is produced, and reduces the cost of lamp string control circuit.
Lamp string control chip described further further includes excess temperature detection unit 8, the excess temperature detection unit 8 and the logic
Control unit 2 connects.Design whereby, chip temperature can be monitored, drive is made by logic control element 1 after design temperature is reached
The output current of moving cell 7 reduces, and reduces chip temperature, after chip temperature is reduced to design temperature, driving unit 7 it is defeated
Go out electric current to return to normally, overheat protector is released, so as to protect chip to burn and effectively improve lamp string control circuit
Service life.
In the preferred embodiment, the lamp string control chip includes：High input voltage foot VHDD；Lower margin GND；Key-press input foot
TG；Four output pins L1, L2, L3, L4.The lamp string control chip can control four lamps.
Totally 8 pins, 8 pins are defined as follows lamp string control chip in one exemplary embodiments：
The exemplary embodiments model is named as F385.
With reference to Fig. 4, some embodiment Christmas lamp control circuits include:Power circuit, controlling switch S1, control chip U1,
And four lamps DS1, DS2, DS3, DS4, wherein, the control chip is above-mentioned lamp string control chip, four lamp DS1,
One end of DS2, DS3, DS4 are connected with the output terminal of the power circuit, the output pin of the other end and the control chip U1
Pin1, pin8, pin7, pin6 correspond to connection.
Further, the power circuit is made of safety element F1, filter element XC1 and rectifier cell BD1.
As can be seen that after using above-mentioned lamp string control chip, Christmas lamp control circuit only needs safety element F1, filter element
XC1 and rectifier cell BD1, chip U1 and controlling switch S1 totally 5 elements, compared to 14 members of existing Christmas lamp control circuit
Part, the present invention greatly reduce total parts number of lamp string control circuit, so as to improve the reliability of lamp string control circuit, production
Convenience, and reduce the cost of lamp string control circuit.
The existing method of some embodiment Christmas lamps control includes：Using one or more above-mentioned lamp string control chips to forming
One or more groups of lamps of the Christmas lamp are controlled, and one or more groups of lamps are connected directly between power supply and the corresponding lamp
Between the corresponding output end of string control chip.
The present invention is described in detail above by specific embodiment, these detailed description are only limited to help
Skilled artisan understands that present disclosure, can not be interpreted as limiting the scope of the invention.Art technology
Various retouchings that personnel carry out such scheme under present inventive concept, equivalent transformation etc. should be included in the protection model of the present invention
In enclosing.
Claims (10)
1. a kind of lamp string control chip, the lamp string control chip includes：
Logic control element (1)；
The keystroke handling unit (5) being connected between key-press input foot (TG) and the logic control element；And
It is connected to produce the signal generation unit (6) of light controling signal with the logic control element；
It is characterized in that, the lamp string control chip further includes：
The oscillating unit (2) of clock signal is provided；
The voltage conversion unit (3) to the power supply of each unit circuit is connected to high input voltage foot (VHDD)；
The zero passage detection unit (4) being connected between lower margin (GND), the voltage conversion unit and the logic control element；
And
The driving unit (7) being connected between output pin (L1, L2, L3, L4) and the signal generation unit.
2. lamp string control chip according to claim 1, it is characterised in that：The lamp string control chip further included temperature detector
Unit (8) is surveyed, the excess temperature detection unit is connected with the logic control element.
3. lamp string control chip according to claim 1, it is characterised in that：The driving unit (7) includes metal-oxide-semiconductor.
4. lamp string control chip according to claim 1, it is characterised in that：The voltage conversion unit (3) includes decompression
Resistance and zener diode.
5. lamp string control chip according to claim 1, it is characterised in that：The zero passage detection unit (4) is connected to institute
State the input terminal of voltage conversion unit (3).
6. lamp string control chip according to claim 1, it is characterised in that the lamp string control chip includes following：
High input voltage foot VHDD；Lower margin GND；
Key-press input foot TG；Four output pins L1, L2, L3, L4.
7. lamp string control chip according to claim 6, it is characterised in that the lamp string control chip totally 8,8 are drawn
Foot is defined as follows：
8. a kind of Christmas lamp control circuit, the Christmas lamp control circuit include power circuit, controlling switch, control chip and
Some lamps, it is characterised in that：The control chip is the lamp string control chip described in any one in claim 1 to 7, described
The output terminal connection of one end of some lamps and the power circuit, the output pin of the other end and the control chip is corresponding connects.
9. Christmas lamp control circuit according to claim 8, it is characterised in that：The power circuit is by safety element
(F1), filter element (XC1) and rectifier cell (BD1) are formed.
A kind of 10. existing method of Christmas lamp control, it is characterised in that the Christmas lamp control method includes：Using one or
Lamp string control chip in multiple claims 1 to 7 described in any one to form one or more groups of lamps of the Christmas lamp into
Row control, one or more groups of lamps be connected directly between power supply and the corresponding lamp string control chip corresponding output pin it
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711499094.1A CN107995764A (en) | 2017-12-30 | 2017-12-30 | Christmas lamp control circuit, method and its lamp string control chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711499094.1A CN107995764A (en) | 2017-12-30 | 2017-12-30 | Christmas lamp control circuit, method and its lamp string control chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107995764A true CN107995764A (en) | 2018-05-04 |
Family
ID=62040112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711499094.1A Pending CN107995764A (en) | 2017-12-30 | 2017-12-30 | Christmas lamp control circuit, method and its lamp string control chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107995764A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1747616A (en) * | 2004-09-10 | 2006-03-15 | 张金荣 | Drive circuit device with Christmas light string connection |
| US20110037401A1 (en) * | 2009-08-13 | 2011-02-17 | Green Solution Technology Co., Ltd. | Power conversion driving circuit and fluorescent lamp driving circuit |
| US20130320856A1 (en) * | 2012-06-01 | 2013-12-05 | Beyond Innovation Technology Co., Ltd. | Load driving apparatus relating to led lamp and method thereof and illumination apparatus using the same |
| CN204217178U (en) * | 2014-11-13 | 2015-03-18 | 卢卫强 | A kind of LED Christmans light string |
| CN104703364A (en) * | 2015-03-31 | 2015-06-10 | 浙江三杰工艺品有限公司 | Wireless controller of LED Christmas light string and light string and use method |
| CN206004983U (en) * | 2016-09-29 | 2017-03-08 | 宁波鑫合瑞电子有限公司 | Christmas lamp controller |
| CN206250834U (en) * | 2016-12-23 | 2017-06-13 | 珠海市诚立信电子科技有限公司 | Christmas lamp power-supply controller of electric |
| CN208638762U (en) * | 2017-12-30 | 2019-03-22 | 深圳市富励逻辑科技有限公司 | Lamp string controls chip and the Christmas lamp control circuit using the chip |
-
2017
- 2017-12-30 CN CN201711499094.1A patent/CN107995764A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1747616A (en) * | 2004-09-10 | 2006-03-15 | 张金荣 | Drive circuit device with Christmas light string connection |
| US20110037401A1 (en) * | 2009-08-13 | 2011-02-17 | Green Solution Technology Co., Ltd. | Power conversion driving circuit and fluorescent lamp driving circuit |
| US20130320856A1 (en) * | 2012-06-01 | 2013-12-05 | Beyond Innovation Technology Co., Ltd. | Load driving apparatus relating to led lamp and method thereof and illumination apparatus using the same |
| CN204217178U (en) * | 2014-11-13 | 2015-03-18 | 卢卫强 | A kind of LED Christmans light string |
| CN104703364A (en) * | 2015-03-31 | 2015-06-10 | 浙江三杰工艺品有限公司 | Wireless controller of LED Christmas light string and light string and use method |
| CN206004983U (en) * | 2016-09-29 | 2017-03-08 | 宁波鑫合瑞电子有限公司 | Christmas lamp controller |
| CN206250834U (en) * | 2016-12-23 | 2017-06-13 | 珠海市诚立信电子科技有限公司 | Christmas lamp power-supply controller of electric |
| CN208638762U (en) * | 2017-12-30 | 2019-03-22 | 深圳市富励逻辑科技有限公司 | Lamp string controls chip and the Christmas lamp control circuit using the chip |
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