CN204131803U - Novel switched control polychrome circulation change light fixture - Google Patents

Novel switched control polychrome circulation change light fixture Download PDF

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Publication number
CN204131803U
CN204131803U CN201420618403.8U CN201420618403U CN204131803U CN 204131803 U CN204131803 U CN 204131803U CN 201420618403 U CN201420618403 U CN 201420618403U CN 204131803 U CN204131803 U CN 204131803U
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electrically
resistance
transformer
chip
light fixture
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CN201420618403.8U
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Chinese (zh)
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王国标
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FOSHAN GUXIN LIGHTING Co Ltd
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FOSHAN GUXIN LIGHTING Co Ltd
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Abstract

The utility model relates to a kind of novel switched control polychrome circulation change light fixture, comprises electric power driving module, pulsed drive module and luminous lamp plate; Described electric power driving module comprises rectification filtering unit, constant current driving unit and transformer, the positive pole of described rectification filtering unit is electrically connected with primary coil one end of described transformer, the negative pole of described rectification filtering unit is electrically connected with the primary coil other end of described transformer through constant current driving unit, the secondary coil of described transformer is electrically connected with the input of described pulsed drive module, and the output of described pulsed drive module is electrically connected with described luminous lamp plate.The novel switched control polychrome circulation change light fixture that the utility model provides reduces the cost of light fixture, and a lamp polychrome is selected, and environmentally can need comfortable photochromic of selection and comparison.

Description

Novel switched control polychrome circulation change light fixture
Technical field
The utility model relates to light fixture, specifically a kind of novel switched control polychrome circulation change light fixture.
Background technology
At present, the light fixture of known variable color is all infrared remote control, radio frequency control etc., and main employing controlled in wireless mode, these light fixtures all will join a remote controller, are easily subject to external interference in addition, and cost is high.
Utility model content
Easily be disturbed the high defect of in addition cost in order to what overcome existing polychromatic light, the utility model provides a kind of novel switched control polychrome circulation change light fixture, and concrete scheme of the present utility model is as follows for achieving the above object:
A kind of novel switched control polychrome circulation change light fixture, comprises electric power driving module, pulsed drive module and luminous lamp plate; Described electric power driving module comprises rectification filtering unit, constant current driving unit and transformer, the positive pole of described rectification filtering unit is electrically connected with primary coil one end of described transformer, the negative pole of described rectification filtering unit is electrically connected with the primary coil other end of described transformer through constant current driving unit, the secondary coil of described transformer is electrically connected with the input of described pulsed drive module, and the output of described pulsed drive module is electrically connected with described luminous lamp plate.
Preferably, described constant current driving unit comprises BP9021 chip, the CS end of described BP9021 chip is through the 4th grounding through resistance, Vcc end is through the first capacity earth, and Vcc end is electrically connected through the positive pole of the second resistance with described rectification filtering unit, GND holds ground connection, Rovp ground connection, NC end is unsettled, and Drain end is electrically connected with the primary coil of described transformer.
Preferably, one end of described transformer secondary coil is electrically connected with the anode of the first diode, the negative electrode of described first diode is held as VO-, another section of described transformer secondary coil is held as VO+, and described VO+ end is electrically connected with the 3rd electric capacity in parallel, the 5th resistance between holding with described VO-.
Preferably, described pulsed drive module comprises HL2608 chip, and the GND of described HL2608 chip holds ground connection, and L1 end is unsettled, and E-POR end is connected through the cathodic electricity of the 4th electric capacity with the 4th diode, and the anode of described 4th diode is held with VO+ and is electrically connected; Be serially connected with the 6th resistance and the 5th electric capacity between described VO+ end and described VO-hold, the CLK end of described HL2608 chip is electrically connected between described 6th resistance and the 5th electric capacity; The vdd terminal of described HL2608 chip is respectively by the 6th electric capacity, electrochemical capacitor and the 7th grounding through resistance, and SEL end is also respectively by the 6th electric capacity, electrochemical capacitor and the 7th grounding through resistance, and described electrochemical capacitor is connected with the cathodic electricity of described 4th diode; The L3 end of described HL2608 chip is electrically connected on the base stage of the first PNP triode by the 8th resistance, the grounded collector of described first PNP triode, emitting stage is held as Y-, and described VO+ end is electrically connected between L3 end with described 8th resistance by the 9th resistance; The L2 end of described HL2608 chip is electrically connected on the base stage of the second PNP triode by the tenth resistance, the grounded collector of described second PNP triode, emitting stage is held as W-, and described VO+ end is electrically connected between L2 end with described tenth resistance by the 11 resistance.
Preferably, described luminous lamp plate comprises the light-emitting diode group of two groups of series and parallel mixing, and extreme the end with described VO+ of the common anode of described light-emitting diode group is electrically connected, and the negative electrode of light-emitting diode group described in two groups is held with described Y-respectively, W-holds and is electrically connected.
The novel switched control polychrome circulation change light fixture that the utility model provides reduces the cost of light fixture, and a lamp polychrome is selected, and environmentally can need comfortable photochromic of selection and comparison.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a application's part, does not form improper restriction of the present utility model, in the accompanying drawings:
Fig. 1 is the utility model embodiment schematic block circuit diagram;
Fig. 2 is the utility model embodiment electric power driving module circuit theory diagrams;
Fig. 3 is the utility model embodiment pulsed drive modular circuit schematic diagram;
Fig. 4 is the luminous lamp plate circuit theory diagrams of the utility model embodiment.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the utility model in this illustrative examples of the present utility model and explanation, but not as to restriction of the present utility model.
Embodiment
As shown in Figure 1, a kind of novel switched control polychrome circulation change light fixture, comprises electric power driving module 1, pulsed drive module 2 and luminous lamp plate 3; Described electric power driving module 1 as shown in Figure 2, comprise rectification filtering unit 11, constant current driving unit 12 and transformer 13, the positive pole of described rectification filtering unit 11 is electrically connected with primary coil one end of described transformer 13, the negative pole of described rectification filtering unit 11 is electrically connected through the primary coil other end of constant current driving unit 12 with described transformer 13, the secondary coil of described transformer 13 is electrically connected with the input of described pulsed drive module 2, and the output of described pulsed drive module 2 is electrically connected with described luminous lamp plate 3.
With reference to figure 2; described constant current driving unit comprises BP9021 chip; the CS end of described BP9021 chip is through the 4th resistance R4 ground connection; CS end is current sample end; 4th resistance R4 is as sampling resistor; Vcc end is through the first electric capacity C1 ground connection; and Vcc end is electrically connected with the positive pole of described rectification filtering unit through the second resistance R2; GND holds ground connection; Rovp end is open-circuit-protection voltage-regulation end, and it is by the 3rd resistance R3 ground connection, and NC end is unsettled; Drain end is the drain electrode of internal high pressure power tube, and it is electrically connected with the primary coil of described transformer.BP9021A is the LED constant current driving chip of a high accuracy former limit feedback.Chip operation, at discontinous mode, is applicable to the inverse-excitation type isolation LED constant current power supply of 85Vac ~ 265Vac gamut input voltage, below power 3W.The integrated 650V power switch of BP9021A chip internal, adopts former limit feedback model, without the need to secondary feedback circuit, also without the need to compensating circuit, only needs few peripheral cell can realize excellent constant-current characteristics.Adopt and drive and current detecting mode, the operating current of chip is extremely low, assists winding to detect and power supply, reduce peripheral component further, saved system cost and volume greatly without the need to transformer.With high-precision current sampling circuit in BP9021A chip, have employed current constant control technology simultaneously, high-precision LED constant current can be realized and export and excellent line voltage regulation.Can accurate control LED open circuit voltage by adjustment non-essential resistance.BP9021A has multiple protection functions, comprises LED open circuit/short-circuit protection, and CS resistive short is protected, and under-voltage protection, chip temperature crosses thermal conditioning etc.BP9021A adopts SOP-8 encapsulation.
Equally can with reference to figure 2, one end of described transformer T1 secondary coil is electrically connected with the anode of the first diode D1, the negative electrode of described first diode D1 is held as VO-, another section of described transformer secondary coil is held as VO+, and described VO+ end is electrically connected with the 3rd electric capacity C3 in parallel, the 5th resistance R5 between holding with described VO-.
As shown in Figure 3, described pulsed drive module comprises HL2608 chip, and HL2608 is multi-functional block switch circuit.Apply a switch control rule 2 or 3 street lamp source, be applicable to bull pendent lamp and control, it is bright that sectional realizes all lamps, and part lamp is bright, and indivedual lamp is bright.Also can be applicable to light fixture and the domestic lighting Discrete control occasions such as fluorescent lamp, electricity-saving lamp, color lamp, is household and lamp decoration "smart" products.Application is simple, in extensive range, environmental protection and energy saving.Adopt HL2608 chip controls 2 street lamp source in the present embodiment, the GND of described HL2608 chip holds ground connection, and L1 end is unsettled, and E-POR end is connected with the cathodic electricity of the 4th diode D4 through the 4th electric capacity C4, and the anode of described 4th diode D4 is held with VO+ and is electrically connected; Be serially connected with the 6th resistance R6 and the 5th electric capacity C5 between described VO+ end and described VO-hold, the CLK end of described HL2608 chip is electrically connected between described 6th resistance R6 and the 5th electric capacity C5; The vdd terminal of described HL2608 chip is respectively by the 6th electric capacity C6, electrochemical capacitor C7 and the 7th resistance R7 ground connection, SEL end is also respectively by the 6th electric capacity C6, electrochemical capacitor C7 and the 7th resistance R7 ground connection, electrochemical capacitor C7 and the 7th resistance R7 can be adjusted, control the time interval of continued operation button, and described electrochemical capacitor C7 is connected with the cathodic electricity of described 4th diode D4; The L3 end of described HL2608 chip is electrically connected on the base stage of the first PNP triode Q1 by the 8th resistance R8, the grounded collector of described first PNP triode Q1, emitting stage is held as Y-, and described VO+ end is electrically connected between L3 end with described 8th resistance R8 by the 9th resistance R9; The L2 end of described HL2608 chip is electrically connected on the base stage of the second PNP triode Q2 by the tenth resistance R10, the grounded collector of described second PNP triode Q2, emitting stage is held as W-, and described VO+ end is electrically connected between L2 end with described tenth resistance R10 by the 11 resistance R11.
As shown in Figure 4, described luminous lamp plate comprises the light-emitting diode group of two groups of series and parallel mixing, and extreme the end with described VO+ of the common anode of described light-emitting diode group is electrically connected, and the negative electrode of light-emitting diode group described in two groups is held with described Y-respectively, W-holds and is electrically connected.
Above the technical scheme that the utility model embodiment provides is described in detail, apply specific case herein to set forth the principle of the utility model embodiment and execution mode, the explanation of above embodiment is only applicable to the principle helping to understand the utility model embodiment; Meanwhile, for one of ordinary skill in the art, according to the utility model embodiment, embodiment and range of application all will change, and in sum, this description should not be construed as restriction of the present utility model.

Claims (5)

1. a novel switched control polychrome circulation change light fixture, is characterized in that:
Comprise electric power driving module, pulsed drive module and luminous lamp plate;
Described electric power driving module comprises rectification filtering unit, constant current driving unit and transformer, the positive pole of described rectification filtering unit is electrically connected with primary coil one end of described transformer, the negative pole of described rectification filtering unit is electrically connected with the primary coil other end of described transformer through constant current driving unit, the secondary coil of described transformer is electrically connected with the input of described pulsed drive module, and the output of described pulsed drive module is electrically connected with described luminous lamp plate.
2. novel switched control polychrome circulation change light fixture as claimed in claim 1, is characterized in that:
Described constant current driving unit comprises BP9021 chip, the CS end of described BP9021 chip is through the 4th grounding through resistance, Vcc end is through the first capacity earth, and Vcc end is electrically connected through the positive pole of the second resistance with described rectification filtering unit, GND holds ground connection, Rovp ground connection, NC end is unsettled, and Drain end is electrically connected with the primary coil of described transformer.
3. novel switched control polychrome circulation change light fixture as claimed in claim 2, is characterized in that:
One end of described transformer secondary coil is electrically connected with the anode of the first diode, the negative electrode of described first diode is held as VO-, another section of described transformer secondary coil is held as VO+, and described VO+ end is electrically connected with the 3rd electric capacity in parallel, the 5th resistance between holding with described VO-.
4. novel switched control polychrome circulation change light fixture as claimed in claim 3, is characterized in that:
Described pulsed drive module comprises HL2608 chip, and the GND of described HL2608 chip holds ground connection, and L1 end is unsettled, and E-POR end is connected through the cathodic electricity of the 4th electric capacity with the 4th diode, and the anode of described 4th diode is held with VO+ and is electrically connected; Be serially connected with the 6th resistance and the 5th electric capacity between described VO+ end and described VO-hold, the CLK end of described HL2608 chip is electrically connected between described 6th resistance and the 5th electric capacity; The vdd terminal of described HL2608 chip is respectively by the 6th electric capacity, electrochemical capacitor and the 7th grounding through resistance, and SEL end is also respectively by the 6th electric capacity, electrochemical capacitor and the 7th grounding through resistance, and described electrochemical capacitor is connected with the cathodic electricity of described 4th diode; The L3 end of described HL2608 chip is electrically connected on the base stage of the first PNP triode by the 8th resistance, the grounded collector of described first PNP triode, emitting stage is held as Y-, and described VO+ end is electrically connected between L3 end with described 8th resistance by the 9th resistance; The L2 end of described HL2608 chip is electrically connected on the base stage of the second PNP triode by the tenth resistance, the grounded collector of described second PNP triode, emitting stage is held as W-, and described VO+ end is electrically connected between L2 end with described tenth resistance by the 11 resistance.
5. novel switched control polychrome circulation change light fixture as claimed in claim 4, is characterized in that:
Described luminous lamp plate comprises the light-emitting diode group of two groups of series and parallel mixing, and extreme the end with described VO+ of the common anode of described light-emitting diode group is electrically connected, and the negative electrode of light-emitting diode group described in two groups is held with described Y-respectively, W-holds and is electrically connected.
CN201420618403.8U 2014-10-23 2014-10-23 Novel switched control polychrome circulation change light fixture Active CN204131803U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420618403.8U CN204131803U (en) 2014-10-23 2014-10-23 Novel switched control polychrome circulation change light fixture

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Application Number Priority Date Filing Date Title
CN201420618403.8U CN204131803U (en) 2014-10-23 2014-10-23 Novel switched control polychrome circulation change light fixture

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CN204131803U true CN204131803U (en) 2015-01-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104918381A (en) * 2015-06-16 2015-09-16 常州顶芯半导体技术有限公司 LED power supply segmented switching control module and control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104918381A (en) * 2015-06-16 2015-09-16 常州顶芯半导体技术有限公司 LED power supply segmented switching control module and control method thereof

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