CN2489544Y - Lamp with voice box for lawn - Google Patents

Abstract

The utility model discloses a lawn lighting lamp, which comprises a casing, a light-emitting module and a sound box device, a control signal generation circuit in the light-emitting module controls the conduction of an execution circuit, and multi-color light-emitting diodes are connected in series or in series and in parallel for lighting. The combined light source circuit has the advantages of rich light color and soft vision, and the light-emitting diode has a long service life and saves cost; the combination of sound and light has good viewing and hearing effects, and can reduce installation costs and maintenance management expenses.

Description

Lawn sound and light

The utility model relates to a lighting fixture, in particular to a lawn sound and light lamp for gardens and communities.

Nowadays, many parks or lawns in residential areas are equipped with decorative lights and speakers to further beautify the environment and improve the quality of living. However, the two are installed separately, and the installation cost is high, and the light color of the decorative lights is single and different. Change. Compared with some parks that use optical fiber to change the color of decorative lights, it has a good color adjustment effect. However, it is generally difficult to popularize and apply due to its short life and high cost.

The purpose of the utility model is to provide a lawn sound and light lamp in which a multi-color transforming light source and a sound box are integrated, and the lighting color is rich and the visual effect is soft.

The realization of the above-mentioned purpose of the utility model proposes the following technical solutions: it includes a housing, a light-emitting module and a sound box device. The light emitting module is composed of a power supply circuit, a control signal generation circuit, an execution circuit and a light source circuit. The sound box device is composed of an audio transformer and a loudspeaker. The matrix circuit of the control signal generation circuit composites and outputs multiple control signals, which are input to the input end of the execution circuit through the delay circuit, so that the execution circuit is turned on and the light source circuit is lit. The technical feature is that the light source circuit uses light-emitting diodes of different colors and different numbers Series connection or combined connection of series and parallel connection, the series connected light emitting diodes are connected with current limiting resistors in series. The output end of the time base circuit of the control signal generating circuit is connected with a matrix composite circuit composed of a decimal counter and a diode. The output end of the control signal generation circuit is a delay circuit composed of resistance and capacitance elements. The housing includes a base, a lamp body and a lamp cover. The middle part of the lamp body is connected to a lamp base plate, and the lamp base plate is connected to a sound box bottom plate through a connecting rod.

The technical effect presented by the utility model lies in that the lighting effect of multi-color light is better than that of monochrome light source, and is more suitable for the lighting of parks and lawns. , has the advantage of low cost. The matrix circuit of the control signal generating circuit composites and outputs multiple control signals, so that the light source has rich and varied polychromatic light, and the viewing effect is better. The delay circuit of the control signal generating circuit prevents sudden changes in the light source, and the human eye feels comfortable. The combination of sound and light has a better audio-visual effect.

Below in conjunction with embodiment according to accompanying drawing, the technical content of the present utility model is described in detail as follows:

Fig. 1 is a structural view of the utility model.

Fig. 2 is a schematic diagram of the single light source discoloration circuit of the present invention.

Fig. 3 is a schematic diagram of the multi-light source discoloration circuit of the present invention.

Fig. 4 is a combined circuit diagram of the light source circuit in series and in parallel.

Fig. 5 is a circuit diagram of the acoustic device of the present invention.

The housing of the utility model is composed of a base 14, a lamp body 13 and a top cover 1, the lower end of the lamp body 13 is connected to the base 14 by screws, the middle part of the lamp body 13 is fixedly connected to the lamp holder plate 7, and the center of the lamp holder board 7 is installed with a threaded bayonet lampshade 6. The lamp base plate 7 is connected to the speaker bottom plate 3 through three connecting rods 5, the speaker 4 and the audio transformer 1B ₂ 2 are mounted on the speaker bottom plate 3, and the speaker bottom plate 3 and the top cover 1 are fastened and connected by screws. The light source circuit IV of the present utility model is mounted on the luminous board 8, and other power supply circuits I, control signal generation circuit II and execution circuit III are mounted on the control board 9, and the luminous board 8, the control board 9 and the power transformer _1B1 are used The resin is encapsulated in the shell of the light-emitting module, and the shell 10 of the light-emitting module is mounted on the bracket 12, and the bracket 12 is connected to the lamp holder plate 7, as shown in Fig. 1 and Fig. 2 . The power transformer _1B1 and the control board of the multi-light source control discoloration circuit are installed in a dedicated control box, which can be placed in an electrical switch cabinet, and the output terminals of the execution circuit on the control board 9 are respectively connected to each multi-light source circuit.

The single light source discoloration circuit of the present invention is made up of power supply circuit I, control signal generation circuit II, executive circuit III and light source circuit IV, as shown in Figure 2. The power transformer 1B ₁ of the power supply circuit I is externally connected to ~220V, and outputs ~24V low voltage, which is rectified by 1BRIDGE ₁ and filtered by 1C ₁ to output DC 24V for the light source circuit, and the other path is through the voltage regulator circuit composed of 1IR ₁ and 1WD ₁ Output 6V for the working voltage of the control signal generation circuit II and the execution circuit III. Control signal generating circuit II includes a time base circuit composed of 2R ₁ , 2R ₂ , 2C ₁ , 2IC 1 , 2IC ₂ (decimal counter CD4017), a matrix composite circuit composed of _{2D 1} ~ 2D ₉ and 2R ₃ ~ 2R ₈ , 2C ₂ ~ 2C ₄ composed of 3-way delay circuit. The 3-way control signals output by the matrix composite circuit pass through 3-way delay circuits respectively, and their output terminals are respectively connected to the input terminals of the executive circuit III composed of 3R ₁ ～ 3R ₃ , 3BG ₁ ～ 3BG ₃ , that is, 3BG ₁ ～ 3BG ₃ Base resistor 3R ₁ ~ 3R ₃ terminals. The collectors of the output terminals 3BG ₁ to 3BG ₃ of the executive circuit III are respectively connected to one end of the light source circuit composed of three groups of light emitting diodes with different light-emitting colors to form a 24V working current loop. One group consists of blue light-emitting diodes 4LED ₁ ~ 4LED ₆ connected in series, connected in series with current limiting resistor 4R ₁ ; the other group is composed of red light emitting diodes 4LED ₇ ~ 4LED ₁₆ connected in series, connected in series with current limiting resistor 4R ₂ ; The diodes 4LED ₁₇ - 4LED ₂₃ are connected in series, and the current limiting resistor 4R ₃ is connected in series. Each group of light-emitting diodes adopts a combination of different tube pressures and brightness according to the design requirements. Each group is composed of different numbers of light-emitting diodes to achieve a combination of different brightness and color tones of the light source. The utility model has 10 red light-emitting diodes connected in series. 6 blue and green light-emitting diodes are combined in series. According to the light source distribution distance and the design brightness requirements, the number of LEDs in each group can be increased or decreased.

The working principle of the light source of the utility model is as follows:

The 2IC ₁ pin 3 of the time base circuit outputs a 5V square wave signal, which is input to the CLEAR terminal of the 2IC ₂ decimal counter CD4017, so that the Q ₀ ~ Q ₅ terminals of the 2IC ₂ output counting signals, which are output through the matrix composite circuit composed of 2D ₁ ~ 2D ₉ Three-way single control signal and three-way composite control signal: Q ₀ terminal high level, high level output from 2R ₃ via 2D ₁ , input to the executive circuit III3BG ₁ base resistor 3R ₁ , 3BG ₁ is turned on and phased A group of green light-emitting diodes 4LED ₁₇ -4LED ₂₃ connected to the light source circuit III emits green light. The output signal is pulled by the delay circuit 2R ₃ , 2R ₆ and 2C ₂ , and the delay time of the signal voltage from 0V to 2V for the normal light-emitting voltage is designed to be 2 seconds to realize gradual lighting and prevent sudden changes in the light source. Q ₁ terminal is high level, output high level from 2R ₄ through 2D ₂ , and input to the base resistor 3R ₂ of 3BG ₂ in the executive circuit III, so that a group of red light-emitting diodes 4LED ₁ ~ 4LED ₁₆ points in the light source circuit Bright, showing red light. The delay circuit composed of 2R ₄ , 2R ₇ and 2C ₃ delays the luminance of the group of red light sources from 0V to 2V for 2 seconds. The Q ₂ terminal is high level, and the high level is output from 2R ₅ through 2D ₃ , and the 3BG ₃ of the execution circuit III is turned on. Make the blue light-emitting diodes 4LED ₁ ~ 4LED ₆ of the light source circuit III light up, and the delay circuits 2R ₅ , 2R ₈ and 2C ₄ delay the luminance of the blue light source from 0V to 2V for 2 seconds. Q ₃ terminal high level, 2D ₄ , 2D ₅ make 2R ₃ , 2R ₅ output high level at the same time, so that 3BG ₁ and 3BG ₃ of the execution circuit are turned on, and the green light-emitting diodes 4LE1 ₄ ~ 4LEDL ₃ of the light source circuit The light-emitting diodes 4LED ₁ to 4LED ₆ of the blue group light up, showing light blue light, and the delay circuit 2R ₃ , 2R ₆ and 2C ₂ and 2R ₅ , 2R ₈ to 2C ₄ make the green group light source and the blue group light source in the light source circuit At the same time, the luminous brightness is delayed from 0V to 2V for 2 seconds. Q ₄ terminal is high level, 2R ₃ and 2R ₄ output high level at the same time through 2D ₆ and 2D ₇ , 3BG ₁ and 3BG ₂ of the executive circuit are turned on, and the green light-emitting diodes 4LED ₁₇ ~ 4LED ₂₃ of the light source circuit and the red group The groups of light-emitting diodes 4LED ₇ ~ 4LED ₁₆ light up at the same time and are orange-yellow. Under the action of the delay circuit 2R ₃ , 2R ₆ and 2C ₂ and 2R, 2R ₄ , 2R ₇ and 2C ₃ , the green group light source and the red group light source The luminous brightness is delayed for 2 seconds from 0V to 2V. Q5 terminal high level, 2R ₄ and 2R ₅ output high level at the same time through 2D ₈ and 2D ₉ , 3BG ₂ and 3BG ₃ of the execution circuit are turned on, and the red group light-emitting diodes 4LED ₇ ~ 4LED ₁₆ of the light source circuit and the blue group The light-emitting diodes 4LED ₁ to 4LED ₆ emit light at the same time, showing purple-red. The Q ₆ terminal is high level, and its signal enters the CP terminal of 2IC ₂ to reset 2IC ₂ , and then the above-mentioned cycle repeats. The three groups of light-emitting diodes can be reduced or increased year-on-year, and the power supply voltage can be designed to match it, which can reduce costs and achieve lighting effects with different brightness.

Fig. 3 is another schematic circuit diagram of the multi-light source control discoloration embodiment of the present invention, which corrects the parameters of some components in the single-light source color-changing circuit: in the power supply circuit I, the power of the power input transformer _1B1 is increased , generally the number of multi-light sources to be controlled is multiplied by 2W, and the number of multi-light sources is 8, 20, or 40, then 1B ₁ is 20W/24V, 50W/24V, 100W/24V, and the bridge rectifier block 1BRIRDG ₁ is set accordingly 3A/400V, 5A/400V, 8A/400V, 1000UF/10V, 2200UF/50V, 3300WF/50V are selected as the dielectric capacitor _1C1 respectively, and the variable resistance _2W1 connected to the input terminal of the control signal generating circuit II is added to be _1M1 Adjust the discoloration speed; add 3BG ₄ ～ 3BG ₆ to the executive circuit III to form a composite tube with 3BG ₁ ～ 3BG ₃ , increase the output current, and connect the output terminals to each multi-light source circuit respectively.

Fig. 4 is another embodiment of light source circuit III connection: one group of light sources is connected in series by light emitting diodes 4LED ₁ to 4LED ₆ and current limiting resistor 4R ₁ , and the second group of light sources is composed of light emitting diodes 4LED ₆ to 4LED ₁₆ and current limiting resistor 4R ₂ phases in series, another group is composed of light-emitting diodes 4LED ₁₇ ~ 4LED ₂₅ and current limiting resistor 4R ₃ series circuit connected in parallel with 4LED ₂₆ ~ 4LED ₃₄ and current limiting resistor 4R ₄ series circuit to form a combination of series and parallel connection Another embodiment of the utility model light source circuit. The red, green and blue three-color light-emitting diodes can be reduced and increased year-on-year, or a series circuit or a parallel circuit can be adopted arbitrarily.

The audio electrical principle of the utility model is shown in Fig. 5 , the input end of the audio transformer 1B ₂ 2 is connected to an external audio signal, and the output end is connected to a speaker 1Y ₁ .

Claims (4)

1, a kind of lawn sound light modulation, it includes housing, light emitting module and loudspeaker box device, described light emitting module is by power circuit, control signal generation circuit, executive circuit and circuit of light sources are formed, and described loudspeaker box device is made up of audio frequency transformer and loud speaker, the matrix compound circuit 2IC of control signal generation circuit I I ₂, 2D ₁～2D ₉The output multi-way control signals is input to executive circuit III input 3R respectively ₁, 3R ₂Or 3R ₃, circuit of light sources is lighted in the executive circuit conducting, it is characterized in that circuit of light sources (II) by different colours, and the series connection of the light-emitting diode of varying number connects or series connection connects with combination in parallel, series connection light-emitting diode 4LBD ₁～4LBD ₆, 4LBD ₇～4LBD ₁₆, 4LBD ₁₇～4LBD ₂₃In be connected in series current-limiting resistance 4R respectively ₁, 4R ₂, and 4R ₃

2, lawn according to claim 1 sound light modulation is characterized in that the time-base circuit output of control signal generation circuit (II) is provided with by decade counter 2IC ₂With diode 2D ₁～2D ₉The matrix compound circuit of forming.

3, lawn according to claim 1 sound light modulation is characterized in that the output of control signal generation circuit (II) is provided with by 2R ₃, 2R ₆With 2C ₂2R ₄, 2R ₇With 2C ₃And 2R ₅, 2R ₈With 2C ₄No. 3 delay circuits of forming.

4, according to claim, described lawn sound light modulation is characterized in that lamp body (13) middle part in the housing connects light bed plate (7), and light bed plate (7) connects audio amplifier base plate (3) by connecting rod (5), and audio amplifier base plate (3) is gone up attaching loud speaker (4) and audio frequency transformer 1B ₂(2).

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