CN204291529U - A kind of based on monolithic processor controlled LED circulation lighting circuit - Google Patents
A kind of based on monolithic processor controlled LED circulation lighting circuit Download PDFInfo
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- CN204291529U CN204291529U CN201520010049.5U CN201520010049U CN204291529U CN 204291529 U CN204291529 U CN 204291529U CN 201520010049 U CN201520010049 U CN 201520010049U CN 204291529 U CN204291529 U CN 204291529U
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- 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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model describes a kind of based on monolithic processor controlled LED circulation lighting circuit, comprise by the rectification module formed after diode D1, D2, D3 and D4 connect successively, diode D1 is connected with power input VDD, and diode D4 is all connected with power input VOUT with diode D3; Be connected to first pin of single-chip microcomputer U1 after the negative pole of diode D2 is connected with resistance R1, first pin of described single-chip microcomputer U1 be also connected to inductance L 1, the positive pole of voltage stabilizing didoe D5, electric capacity C2, resistance R4 and electric capacity C1; 8th pin of single-chip microcomputer U1 is connected to the collector electrode of triode Q1, Q2 and Q3, described triode Q2 is connected with the second luminous branch road; Triode Q3 is connected with the 3rd luminous branch road.Utility model works good stability, antijamming capability is strong, and useful life is longer, and failure rate is lower, and energy consumption is less, achieves the object of energy-conserving and environment-protective.
Description
Technical field
The utility model relates to a kind of control circuit of LED, especially a kind of based on monolithic processor controlled LED circulation lighting circuit, belongs to electronic technology field.
Background technology
Along with the raising of people's living standard, the atmosphere in various red-letter day is also more and more stronger, and particularly when the joyous New Year's Day, park, the road and community etc. of various places all can carry out decorating and interspersing, and wherein, color lamp is exactly one of main decorative article.Now current when using color lamp to decorate, mostly have employed LED.Because LED has energy-conservation, the advantage such as the life-span is longer and color is beautiful, very welcomed by the people.But iff being limited to the LED of inactive state, still seeming lacks innervation, therefore LED has been designed to the mode of operation that dynamic is lighted again by people, and this just needs control circuit to control.Existing currently used LED control circuit structure has a lot, and its mode of operation is also different, and what mostly adopt is the LED that relay switch controls different group number, realizes cross-over control with this.But, this circuit structure is due to relatively simple, therefore reliability is lower, easily break down, and due to it be rely on the mode of electric pulse to the break-make of control LED, therefore once there is the situation of voltage instability, just easily occur controlling to lose efficacy, cause LED extinguish or all light, the normal work of light bar will be affected like this.
Summary of the invention
For above-mentioned deficiency of the prior art, main purpose of the present utility model is that the circuit structure solving existing control LED is at present relatively simple, the problem that reliability is poor, and provide one to have good job stability, antijamming capability strong based on monolithic processor controlled LED circulation lighting circuit.
The technical solution of the utility model: a kind of based on monolithic processor controlled LED circulation lighting circuit, it is characterized in that, comprise by the rectification module formed after diode D1, diode D2, diode D3 and diode D4 connect successively, the negative pole of described diode D1 is connected with power input VDD, and the positive pole of described diode D4 is all connected with power input VOUT with the negative pole of diode D3; First pin of single-chip microcomputer U1 is connected to after the negative pole of diode D2 is connected with resistance R1, first pin of described single-chip microcomputer U1 is also connected to inductance L 1, the positive pole of voltage stabilizing didoe D5, electric capacity C2, resistance R4 and electric capacity C1, the other end of described inductance L 1, the negative pole of voltage stabilizing didoe D5, the other end of electric capacity C2, the other end of resistance R4 are all connected with the positive pole of diode D3 with the other end of electric capacity C1, and the negative pole of described diode D3 is connected to the 4th pin of single-chip microcomputer U1 after connecting with resistance R2 and resistance R3; 8th pin of single-chip microcomputer U1 is connected to the collector electrode of the collector electrode of triode Q1, the collector electrode of triode Q2 and triode Q3, the 5th pin of single-chip microcomputer U1 is connected to after the emitter of described triode Q1 is connected with resistance R5, be connected to the 6th pin of single-chip microcomputer U1 after the emitter of described triode Q2 is connected with resistance R6, after the emitter of described triode Q3 is connected with resistance R7, be connected to the 7th pin of single-chip microcomputer U1; The base stage of described triode Q1 is connected with by the first luminous branch road formed after diode D11, resistance R11, diode D12, resistance R12, diode D13, resistance R13, diode D14, resistance R14 and diode D15 series connection, the negative pole of diode D15 is connected with the base stage of triode Q1; The base stage of described triode Q2 is connected with by the second luminous branch road formed after diode D21, resistance R21, diode D22, resistance R22, diode D23, resistance R23, diode D24, resistance R24 and diode D25 series connection, the negative pole of diode D25 is connected with the base stage of triode Q2; The base stage of described triode Q3 is connected with by the 3rd luminous branch road formed after diode D31, resistance R31, diode D32, resistance R32, diode D33, resistance R33, diode D34, resistance R34 and diode D35 series connection, the negative pole of diode D35 is connected with the base stage of triode Q3; The positive pole of described diode D11, the positive pole of diode D21 are all connected with the negative pole of diode D2 with the positive pole of diode D31.
Optimally, described single-chip microcomputer U1 adopts model to be the control chip of 12C508A.
Relative to prior art, the utility model has following beneficial effect:
1, good operating stability: LED control circuit of the present utility model adopts the break-make of Single-chip Controlling LED group and lights order, and control precision is higher, and error is little, and the time controling lighted is relatively more accurate, and overall job stability is also better.
2, antijamming capability is strong: because the stable output that have employed diode rectifier circuit and single-chip microcomputer in circuit controls, and therefore by the impact of external voltage fluctuations, can not ensure the stable of output voltage, improve the antijamming capability of circuit.
3, useful life is longer, and failure rate is lower, and energy consumption is less, achieves the object of energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is a kind of circuit theory diagrams based on monolithic processor controlled LED circulation lighting circuit of the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of based on monolithic processor controlled LED circulation lighting circuit, comprise by the rectification module formed after diode D1, diode D2, diode D3 and diode D4 connect successively, the negative pole of described diode D1 is connected with power input VDD, and the positive pole of described diode D4 is all connected with power input VOUT with the negative pole of diode D3; Be connected to first pin of single-chip microcomputer U1 after the negative pole of diode D2 is connected with resistance R1, described single-chip microcomputer U1 adopts model to be the control chip of 12C508A.First pin of described single-chip microcomputer U1 is also connected to inductance L 1, the positive pole of voltage stabilizing didoe D5, electric capacity C2, resistance R4 and electric capacity C1, the other end of described inductance L 1, the negative pole of voltage stabilizing didoe D5, the other end of electric capacity C2, the other end of resistance R4 are all connected with the positive pole of diode D3 with the other end of electric capacity C1, and the negative pole of described diode D3 is connected to the 4th pin of single-chip microcomputer U1 after connecting with resistance R2 and resistance R3; 8th pin of single-chip microcomputer U1 is connected to the collector electrode of the collector electrode of triode Q1, the collector electrode of triode Q2 and triode Q3, the 5th pin of single-chip microcomputer U1 is connected to after the emitter of described triode Q1 is connected with resistance R5, be connected to the 6th pin of single-chip microcomputer U1 after the emitter of described triode Q2 is connected with resistance R6, after the emitter of described triode Q3 is connected with resistance R7, be connected to the 7th pin of single-chip microcomputer U1; The base stage of described triode Q1 is connected with by the first luminous branch road formed after diode D11, resistance R11, diode D12, resistance R12, diode D13, resistance R13, diode D14, resistance R14 and diode D15 series connection, the negative pole of diode D15 is connected with the base stage of triode Q1; The base stage of described triode Q2 is connected with by the second luminous branch road formed after diode D21, resistance R21, diode D22, resistance R22, diode D23, resistance R23, diode D24, resistance R24 and diode D25 series connection, the negative pole of diode D25 is connected with the base stage of triode Q2; The base stage of described triode Q3 is connected with by the 3rd luminous branch road formed after diode D31, resistance R31, diode D32, resistance R32, diode D33, resistance R33, diode D34, resistance R34 and diode D35 series connection, the negative pole of diode D35 is connected with the base stage of triode Q3; The positive pole of described diode D11, the positive pole of diode D21 are all connected with the negative pole of diode D2 with the positive pole of diode D31.
Operation principle is as follows: as shown in Figure 1, and after power on circuitry, alternating current 220V is after rectification module, and a road is filtered into+5V voltage through resistance R1 decompression capacitor C2 and powers to single-chip microcomputer U1; Another road is directly supplied to the positive pole of light-emitting diode.When single-chip microcomputer U1 obtain electric after, export 0 ~ 0.76V pulse signal from the 5th pin, the 6th pin, the 7th pin in turn, trigger corresponding controlled silicon conducting, thus make connected light-emitting diode string luminous.The 4th pin institute connecting resistance R4 and electric capacity C1 of U1 is that time constant controls (change corresponding resistance and capacitance specification, just can change the duration that each string light-emitting diode is lighted); When resistance R2 and resistance R3 is for being energized, start single-chip microcomputer U1 work.The normal cycle period of this lamp is about 2 minutes.In the utility model, whole lamp string can by the lamp plate of 12 long 465mm of wide 15mm, and have 528 LED compositions, red, green, blue LED is spaced.Wherein red LED be 80 a string.The current-limiting resistance (electric current is 13.7mA) of 20, interval string, 1 1.2k Ω/1W.Green and indigo plant is respectively 48 LED, 12, each interval string, 1 1K Ω/1W resistance (electric current is 15mA), and during installation, mixing cross arrangement 44 is one group of plate.
It should be noted that, above embodiment is only in order to illustrate technical solutions of the utility model but not restriction technologies scheme, although applicant is explained in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those amendments that technical solutions of the utility model are carried out or equivalently to replace, aim and the scope of the technical program can not be departed from, all should be encompassed in the middle of the utility model right.
Claims (2)
1. one kind based on monolithic processor controlled LED circulation lighting circuit, it is characterized in that, comprise by the rectification module formed after diode D1, diode D2, diode D3 and diode D4 connect successively, the negative pole of described diode D1 is connected with power input VDD, and the positive pole of described diode D4 is all connected with power input VOUT with the negative pole of diode D3; First pin of single-chip microcomputer U1 is connected to after the negative pole of diode D2 is connected with resistance R1, first pin of described single-chip microcomputer U1 is also connected to inductance L 1, the positive pole of voltage stabilizing didoe D5, electric capacity C2, resistance R4 and electric capacity C1, the other end of described inductance L 1, the negative pole of voltage stabilizing didoe D5, the other end of electric capacity C2, the other end of resistance R4 are all connected with the positive pole of diode D3 with the other end of electric capacity C1, and the negative pole of described diode D3 is connected to the 4th pin of single-chip microcomputer U1 after connecting with resistance R2 and resistance R3; 8th pin of single-chip microcomputer U1 is connected to the collector electrode of the collector electrode of triode Q1, the collector electrode of triode Q2 and triode Q3, the 5th pin of single-chip microcomputer U1 is connected to after the emitter of described triode Q1 is connected with resistance R5, be connected to the 6th pin of single-chip microcomputer U1 after the emitter of described triode Q2 is connected with resistance R6, after the emitter of described triode Q3 is connected with resistance R7, be connected to the 7th pin of single-chip microcomputer U1; The base stage of described triode Q1 is connected with by the first luminous branch road formed after diode D11, resistance R11, diode D12, resistance R12, diode D13, resistance R13, diode D14, resistance R14 and diode D15 series connection, the negative pole of diode D15 is connected with the base stage of triode Q1; The base stage of described triode Q2 is connected with by the second luminous branch road formed after diode D21, resistance R21, diode D22, resistance R22, diode D23, resistance R23, diode D24, resistance R24 and diode D25 series connection, the negative pole of diode D25 is connected with the base stage of triode Q2; The base stage of described triode Q3 is connected with by the 3rd luminous branch road formed after diode D31, resistance R31, diode D32, resistance R32, diode D33, resistance R33, diode D34, resistance R34 and diode D35 series connection, the negative pole of diode D35 is connected with the base stage of triode Q3; The positive pole of described diode D11, the positive pole of diode D21 are all connected with the negative pole of diode D2 with the positive pole of diode D31.
2. one according to claim 1 is based on monolithic processor controlled LED circulation lighting circuit, it is characterized in that, described single-chip microcomputer U1 adopts model to be the control chip of 12C508A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520010049.5U CN204291529U (en) | 2015-01-08 | 2015-01-08 | A kind of based on monolithic processor controlled LED circulation lighting circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520010049.5U CN204291529U (en) | 2015-01-08 | 2015-01-08 | A kind of based on monolithic processor controlled LED circulation lighting circuit |
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| CN204291529U true CN204291529U (en) | 2015-04-22 |
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| CN201520010049.5U Expired - Fee Related CN204291529U (en) | 2015-01-08 | 2015-01-08 | A kind of based on monolithic processor controlled LED circulation lighting circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948537A (en) * | 2018-01-05 | 2018-04-20 | 深圳市众鑫创展科技有限公司 | Optical signal A/D convertor circuit, optical-filter switcher and optical filter switching method |
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2015
- 2015-01-08 CN CN201520010049.5U patent/CN204291529U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948537A (en) * | 2018-01-05 | 2018-04-20 | 深圳市众鑫创展科技有限公司 | Optical signal A/D convertor circuit, optical-filter switcher and optical filter switching method |
| CN107948537B (en) * | 2018-01-05 | 2024-01-05 | 深圳市众鑫创展科技有限公司 | Optical signal AD conversion circuit, optical filter switcher and optical filter switching method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20160108 |