CN208386973U

CN208386973U - A kind of artificial color-changing flower

Info

Publication number: CN208386973U
Application number: CN201821175121.XU
Authority: CN
Inventors: 吴茂义
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-24
Filing date: 2018-07-24
Publication date: 2019-01-15
Anticipated expiration: 2028-07-24

Abstract

The utility model discloses a kind of artificial color-changing flowers, including at least two light adjusting circuit and shell, the light adjusting circuit is equipped with waveform generating module, triode and LED light, the waveform generating module is equipped with variable resistance, the fixing end of the variable resistance concatenates mutually with 2 diodes, and the movable contact of the variable resistance is separately connected the input terminal of capacitor and timer；Current-limiting resistance between the light adjusting circuit interconnects, the shell is equipped with corolla and holder, the lower section of the holder setting and corolla, the LED light are arranged between holder and corolla, and the LED light passes through conducting wire and the circuit board electrical connection being arranged in circuit box.The utility model circuit structure is reasonable, handsome in appearance, and can control the variation of lamps and lanterns itself multiple color by the combination of at least two toning circuit.

Description

A kind of artificial color-changing flower

Technical field

The utility model relates to a kind of ornament, especially a kind of artificial color-changing flower that can dim discoloration.

Background technique

Common LED luminous flower (lamp) be by color required for R, G, B three-color LED adding combination, such as: it is red and green Synthesizing yellow, red and blue synthesis fuchsin, green and blue synthesis cyan, RGB synthesis white.The color of synthesis further depends on primary colours Luminous gray scale, i.e. the light-emitting LED brightness of primary colours, the luminous gray scale of monochromatic LED is different, and the color of synthesis is also different.Such as Fruit each color generate 256 grades of tonal gradations, individually control three kinds of colors gray scale, then can be combined into 256*256*256 (= 16777216) color is planted, i.e., can synthesize 1,600 million colors using RGB three primary colours, can obtain human eye can know Other all colours.Existing toning, discoloration circuit are that the rule set based on chip or interlock circuit is changed colour, and are realized Mode has the modes such as microprocessor, phase inverter digital integrated electronic circuit, and such rich colors can be obtained with manually adjusting by having no a kind of Discoloration circuit.

Summary of the invention

In view of the above-mentioned problems existing in the prior art, the purpose of this utility model is to provide a kind of artificial color-changing flowers.

The utility model discloses a kind of artificial color-changing flower, including at least two light adjusting circuit and shell, the light adjusting circuits Equipped with waveform generating module, triode and LED light, the waveform generating module is equipped with variable resistance, the variable resistance Fixing end concatenates mutually with 2 diodes, and the movable contact of the variable resistance is separately connected the input terminal of capacitor and timer, institute State the base stage of the output end connecting triode of timer, one end of the collector connection LED light of the triode, the LED light The other end concatenation points of 2 diodes is connected to by current-limiting resistance, the waveform when the variation of the movable contact of the variable resistance The waveform that module is formed occurs to change, to change the brightness of LED light；Current-limiting resistance between the light adjusting circuit is mutual Connection, the shell are equipped with corolla and holder, the lower section of the holder setting and corolla, and the LED light is arranged in holder and flower Between hat, the LED light offers kerve on the holder by conducting wire and the circuit board electrical connection that is arranged in circuit box, The corolla is equipped with convex block, and the convex block is resisted against on the side plate of kerve for connecting holder and corolla.

Preferably, base integrated chip when the timer is 555, No. 1 pin ground connection of base integrated chip when described 555,2 Number pin and No. 6 pins are connected to the movable contact of variable resistance after interconnecting, No. 3 pins are connected to the base stage of triode, and No. 4 are drawn Foot and No. 8 pins are connected to one end of current-limiting resistance, and No. 5 pins are connected to ground capacity, and the other end of ground capacity is grounded, and 7 Number pin is connected to the concatenation point of 2 diodes.

Preferably, the variable resistance is the potentiometer with knob, controls change in resistance by turning knob.

Preferably, the lower section for being located at convex block on the bottom plate of kerve is arranged in the LED light, offers in the holder for leading The string holes that line passes through.

Preferably, line rod, the holder and corolla are also equipped with below the holder by glass or PC or PVC or PMMA It is made.

In conclusion the utility model has the advantage that

The utility model circuit structure is reasonable, handsome in appearance, and mould occurs for waveform when being changed by the movable contact of variable resistance The waveform that block is formed changes, to change the brightness of LED light, realizes the brightness for reconciling LED light, and pass through at least two tune The combination of color circuit can control the variation of lamps and lanterns itself multiple color, and the stable connection of corolla, holder, be conducive to simultaneously The diverging of LED light light.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the present embodiment shell；

Fig. 2 is the diagrammatic cross-section of embodiment shell；

Fig. 3 is the circuit diagram after 3 light adjusting circuit combinations.

Specific embodiment

The utility model is made further to illustrate in detail, completely below with reference to embodiment and attached drawing.

As shown in Figure 1-3, a kind of artificial color-changing flower, including 3 light adjusting circuits and shell, the light adjusting circuit are equipped with waveform Module, triode and LED light occurs, the waveform generating module is equipped with variable resistance, the fixing end of the variable resistance and 2 A diode concatenates mutually, and the movable contact of the variable resistance is separately connected the input terminal of capacitor and timer, the timer Output end connecting triode base stage, the triode collector connection LED light one end, the other end of the LED light The concatenation point of 2 diodes is connected to by current-limiting resistance, the waveform generating module when the variation of the movable contact of the variable resistance The waveform of formation changes, to change the brightness of LED light.

Current-limiting resistance between the light adjusting circuit interconnects, and the shell is equipped with corolla 1 and holder 2, the holder 2 It is arranged and is arranged between holder 2 and corolla 1 with the lower section of corolla 1, the LED light, the LED light is by conducting wire and is arranged in electricity Circuit board electrical connection in road box 3.Kerve 21 is offered on the holder 2, the corolla 1 is equipped with convex block 11, the convex block 11 are resisted against on the side plate 22 of kerve 21 for connecting holder 2 and corolla 1.The LED light is arranged on the bottom plate 23 of kerve 21 Positioned at the lower section of convex block 11, the string holes 24 passed through for conducting wire is offered in the holder 2.The lower section of the holder 2 is also equipped with Line rod 4, the holder 2 and corolla 1 are made of glass or PC or PVC or PMMA.

Base integrated chip when the timer is 555, No. 1 pin ground connection of base integrated chip, No. 2 pins when described 555 The movable contact of variable resistance is connected to after interconnecting with No. 6 pins, No. 3 pins are connected to the base stage of triode, No. 4 pins and 8 Number pin is connected to one end of current-limiting resistance, and No. 5 pins are connected to ground capacity, the other end ground connection of ground capacity, No. 7 pins It is connected to the concatenation point of 2 diodes.The variable resistance is the potentiometer with knob, controls resistance value by turning knob and becomes Change.

The LDE lamp of 3 light adjusting circuits is respectively selected as red, green and blue, is divided with one of light adjusting circuit Analysis.Resistance R1, R2, C1, D1, D2, IC1 form PWM waveform and circuit occur, when PWM waveform high level, VT1 conducting, and R (red) LED is lighted, and when PWM waveform is low level, R (red) LED extinguishes, and the length of high-low level time just determines the brightness of LED, High level time is long, and LED luminance is high, and resistance value is assumed to be R2x, right side resistance value R2y on the left of potentiometer R2 knob, and PWM waveform is led Logical time Ton=0.693 (R1+R2x) C1

Turn-off time Toff=0.693 (R1+R2y) C1；

Total cycle T=0.693 (R1+R2x+R2y)=0.693 (R1+R2) C1；

Frequency of oscillation=1/T=1.443/ (R1+R2) C1, PWM waveform frequency-invariant.

Duty ratio=Ton/ (Ton+Toff)=(R1+R2x)/(R1+R2), R2x resistance value can be adjusted with arbitrary continuation, therefore It is continuously adjustable that 0-100% duty ratio may be implemented, it can realize that 256 grades of gray scale stepless dimmings, LED there are three kinds of colors of red, green, blue Coloured silk, therefore can theoretically obtain 256*256*256=16777216 kind color.

The combination in PWM waveform generator circuit can be changed, either two, it is also possible to three or more, Any increasing carried out based on this circuit or the increase and decrease example for subtracting combination each fall within the protection scope of the utility model.

The utility model above-described embodiment is only to illustrate that technical solutions of the utility model are used simultaneously, only the utility model Technical solution is enumerated, the technical solution and its protection scope being not intended to limit the utility model.Using equivalent technologies mean, Equivalent apparatus etc., which is considered to be the improvement of technical solution disclosed in the utility model claims book and specification, not to be had Beyond range disclosed in the utility model claims book and specification.

Claims

1. a kind of artificial color-changing flower, which is characterized in that including at least two light adjusting circuit and shell, the light adjusting circuit is equipped with wave Module, triode and LED light occur for shape, and the waveform generating module is equipped with variable resistance, the fixing end of the variable resistance It is concatenated mutually with 2 diodes, the movable contact of the variable resistance is separately connected the input terminal of capacitor and timer, the timing The base stage of the output end connecting triode of device, the triode collector connection LED light one end, the LED light it is another End is connected to the concatenation point of 2 diodes by current-limiting resistance, and when the variation of the movable contact of the variable resistance, mould occurs for waveform The waveform that block is formed changes, to change the brightness of LED light；Current-limiting resistance between the light adjusting circuit interconnects, The shell is equipped with corolla (1) and holder (2), and the holder (2) is set to the lower section of corolla (1), and the LED light is arranged in flower It holds in the palm between (2) and corolla (1), the LED light passes through conducting wire and the circuit board electrical connection being arranged in circuit box (3), the flower It is offered kerve (21) in support (2), the corolla (1) is equipped with convex block (11), and the convex block (11) is resisted against kerve (21) For connecting holder (2) and corolla (1) on side plate (22).

2. artificial color-changing flower as described in claim 1, which is characterized in that base integrated chip when the timer is 555, it is described It is connected to the movable contact of variable resistance after No. 1 pin ground connection of base integrated chip when 555, No. 2 pins and the interconnections of No. 6 pins, 3 Number pin is connected to the base stage of triode, and No. 4 pins and No. 8 pins are connected to one end of current-limiting resistance, and No. 5 pins are connected to and connect Ground capacitor, the other end ground connection of ground capacity, No. 7 pins are connected to the concatenation point of 2 diodes.

3. artificial color-changing flower as claimed in claim 2, which is characterized in that the variable resistance is the potentiometer with knob, Change in resistance is controlled by turning knob.

4. artificial color-changing flower as claimed in claim 3, which is characterized in that bottom plate of the LED light setting in kerve (21) (23) it is located at the lower section of convex block (11) on, offers the string holes (24) passed through for conducting wire in the holder (2).

5. artificial color-changing flower as claimed in claim 4, which is characterized in that be also equipped with line rod below the holder (2) (4), the holder (2) and corolla (1) are made of glass or PC or PVC or PMMA.