Intelligent color-changing projection lamp

Abstract

The utility model belongs to the technical field of lighting equipment, and particularly relates to an intelligent color-changing projection lamp which comprises a lamp shell, a light and color temperature adjusting module, a color light control module, a white light control module and a power module, and cold and warm light dual-lighting lamp beads and RGB lamp beads are arranged in the lamp shell. According to the utility model, through the arrangement of the dimming and color temperature adjusting module, the brightness, color temperature and red, green and blue colors of lamplight can be controlled by a mobile phone APP, and intelligent control of urban lighting is realized, so that different application scene requirements of different customers are met, and the product has more abundant and diversified functions and is more efficient and practical.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lighting equipment technical field, concretely relates to an intelligent color-changing projection lamp. BACKGROUND

[0002] The night scene of big city is very gorgeous and charming, this is mainly due to the landscape lighting engineering of these big cities is done very well. But the lighting points of different regions are not the same, for example, flowers and trees, sculptures and statues, and water and lake these regions are all have respective lighting points. Especially in the park landscape lighting, different flowers and trees need different light to highlight in different seasons, it is certainly unrealistic to replace different lamp tubes according to different seasons. However, the projection lamp of the current market landscape lighting is single function, has been unable to meet the demand of city lighting.

[0003] In view, the utility model is presented. CONTENT OF UTILITY MODEL

[0004] The utility model discloses to solve the technical problem of the prior art, provide a kind of intelligent color-changing projection lamp, the brightness of light, color temperature and red green blue color are controlled and adjusted by light and color temperature module, solve the demand of lighting, meet the different application scenarios needs of different customers.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of intelligent color-changing projection lamp, including luminaire shell, the luminaire shell is equipped with cold and warm light dual-illumination lamp bead and RGB lamp bead;Light and color temperature module, the light and color temperature module uses one of graffiti module, WOFI control module or bluetooth control module;Color light control module, the color light control module includes color light control circuit, the color light control circuit includes color light control chip, the color light control chip is used to realize the dimming of RGB lamp bead;White light control module, the white light control module includes white light control circuit, the white light control circuit includes warm light / cold light control chip, the warm light / cold light control chip is used to realize the dimming of cold and warm light dual-illumination lamp bead warm light / cold light;Power module, the power module includes color light direct current power supply and 3.3V power supply circuit, the color light direct current power supply is electrically connected with color light control circuit, the 3.3V power supply circuit is electrically connected with light and color temperature module;The light and color temperature module is connected with color light control circuit and white light control circuit signal respectively.

[0007] The color light direct current power supply comprises a first AC-DC step-down chip, which is used for converting alternating current into direct current 24V after rectification; and the 3.3V power supply circuit comprises a second AC-DC step-down chip, which is used for converting alternating current into direct current 3.3V after rectification.

[0008] The first AC-DC step-down chip and the second AC-DC step-down chip both adopt BP2522 constant voltage chips, and the first AC-DC step-down chip is provided with a frequency jittering circuit for dispersing harmonic interference energy; and the second AC-DC step-down chip is provided with a MOS tube for setting a BUCK step-down circuit.

[0009] The color light control chip adopts an SM15633 three-channel LED constant current drive control chip, which is internally provided with an OUT port high-voltage drive module, a PWM dimming module, an over-temperature protection module and a constant current drive module.

[0010] The warm / cold light control chip adopts an SM2612 double-channel adjustable light LED linear constant current control chip, which is internally provided with an OUT port high-voltage drive module, a PWM dimming module, an over-temperature protection module and a constant current drive module.

[0011] The cold / warm light double-illumination lamp beads and the RGB lamp beads are arranged on the same lamp bead plate.

[0012] The lamp body is made of an aluminum alloy material.

[0013] The beneficial effects of the utility model are as follows:

[0014] (1) The lightness, color temperature and red, green and blue colors of the light are controlled by the mobile phone APP through the lightness and color temperature adjusting module, the intelligent control of city brightening is realized, the different application scene requirements of different customers are met, the functions of the product are more various, and the product is more efficient and practical.

[0015] (2) The internal drive scheme of the traditional LED light projector is improved, the illumination light source is changed into a cold / warm light double-illumination light source, the RGB color light source is integrated on the illumination light source, the cold / warm light double-illumination lamp beads and the RGB lamp beads are integrated on the same lamp bead plate, the lamp space is saved, the cost is saved, and the performance of the product is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a principle frame diagram of the intelligent color-changing light projector.

[0017] Figure 2The utility model discloses a color light direct current power supply circuit diagram in an intelligent color-changing light projector,

[0018] Figure 3 The utility model discloses a 3.3V power line circuit diagram in an intelligent color-changing light projector,

[0019] Figure 4 The utility model discloses a color light control line circuit diagram in an intelligent color-changing light projector,

[0020] Figure 5 The utility model discloses a white light control line circuit diagram in an intelligent color-changing light projector,

[0021] Wherein the reference numerals: 1, scribble module;2, color light control line;3, white light control line;4, color light direct current power supply;5, 3.3V power line;6, first AC-DC step-down chip;7, second AC-DC step-down chip;8, color light control chip;9, warm light / cold light control chip. Specific implementation

[0022] The utility model will be further explained in combination with specific implementation.

[0023] In the following description, the concepts of directionality (or orientation) such as up, down, left, right, front and back are all in relation to the position of the figure being described, and are intended to facilitate the understanding of the public, and therefore should not be understood as a special limitation on the technical solutions provided by the utility model.

[0024] As shown in the figure, Figures 1-5 An intelligent color-changing light projector, comprising a lamp housing, a light and color temperature adjusting module, a color light control module, a white light control module and a power module, wherein the lamp housing is provided with cold and warm light dual illumination lamp beads and RGB lamp beads (i.e. the attached drawings), Figure 1The light control module includes a light control circuit 2, and the light control circuit 2 includes a light control chip 8, and the light control chip 8 is used to realize light control of an RGB lamp bead; the white light control module includes a white light control circuit 3, and the white light control circuit 3 includes a warm / cold light control chip 9, and the warm / cold light control chip 9 is used to realize light control of a warm / cold light dual-illumination lamp bead; the power module includes a color light direct-current power supply 4 and a 3.3V power supply circuit 5, the color light direct-current power supply 4 is electrically connected with the light control circuit 2, and the 3.3V power supply circuit 5 is electrically connected with the light control module; the light control module is signal-connected with the light control circuit 2 and the white light control circuit 3 respectively, and the signal of the light control module and the light control circuit 2 includes a red light control signal, a green light control signal, a blue light control signal and a power control signal; the signal of the light control module and the white light control circuit 3 includes a warm light control signal, a white light control signal and a power control signal.

[0025] The color light direct-current power supply 4 includes a first AC-DC step-down chip 6, and the first AC-DC step-down chip 6 is used to convert alternating current into direct current 24V after rectification; the 3.3V power supply circuit 5 includes a second AC-DC step-down chip 7, and the second AC-DC step-down chip 7 is used to convert alternating current into direct current 3.3V after rectification, and is used to provide a stable voltage for the light control module.

[0026] The first AC-DC step-down chip 6 and the second AC-DC step-down chip 7 both adopt BP2522 constant voltage chips, specifically, a BP2522 ultra-low standby power non-isolated step-down constant voltage driving chip provided by Shanghai Jingfeng Mingyuan Semiconductor Co., Ltd. is adopted, and a high-voltage starting and power supply circuit is integrated inside. After the color light direct-current power supply 4 system is powered on, the bus voltage directly charges the Vcc capacitor through the Drain, and when the Vcc reaches the threshold value for starting the chip, the internal control circuit starts to work. When the chip normally works, the Vout power supply is connected to the Vcc end, so that the ultra-low standby power consumption can be realized, and auxiliary winding power supply is not needed. Moreover, the first AC-DC step-down chip 6 is internally provided with a frequency jitter circuit (the frequency jitter circuit is integrated in the BP2522 chip, and the technology can periodically change the power supply frequency by 6kHz around the center frequency of 60kHz, and the frequency jitter period is 4ms. The periodic change of the frequency can effectively reduce the electromagnetic interference of the power supply, and the system is efficient and reliable), which is used to disperse harmonic interference energy, so as to improve the EMI performance of the system and make the system more easily pass the conduction and radiation test; the chip has a soft start function: the chip reduces the switching stress by increasing the peak current in sections, and at the same time, the output voltage can avoid the overvoltage phenomenon to burn the module, and each restart will experience a soft start process.

[0027] 3.3V power supply circuit 5 (usually DC 3.3V power supply circuit) in the second AC-DC step-down chip 7 integrated high-voltage start and power supply circuit, can realize ultra-low standby power consumption, also no auxiliary winding power supply. The chip built-in MOS tube, using the chip design BUCK step-down circuit, with few peripheral devices, simple design, can be all used in SMD, production convenient and so on, Figure 2 As shown is to use BP2522 chip and external components to realize BUCK step-down.

[0028] Color light control chip 8 uses SM15633 three-channel LED constant current drive control chip of Shenzhen Ming Microelectronics Co., Ltd., which can realize low-voltage constant current start and high output current precision; SM15633 three-channel LED constant current drive control chip built-in OUT port high-voltage drive module, PWM dimming module, over-temperature protection module, constant current drive module. The output current can be set to 20mA-350mA by external resistance. The chip has over-temperature protection function, which reduces the output current when the internal temperature reaches the over-temperature protection point, and improves the system working reliability. Through the networking of graffiti APP (graffiti module 1), the PWM dimming signal is input through the DIM1 / 2 / 3 port of SM15633 to realize the OUT1 / 2 / 3 port dimming respectively.

[0029] Warm / cold light control chip 9 uses SM2612 double-channel adjustable light LED linear constant current control chip of Shenzhen Ming Microelectronics Co., Ltd., which has built-in OUT port high-voltage drive module, PWM dimming module, over-temperature protection module and constant current drive module. The output current of warm / cold light control chip 9 is set by external resistance, and the maximum current can reach 100mA, and the output current does not change with the voltage of chip OUT port. Through the networking of graffiti APP, the PWM dimming signal is input through the DIM port of SM2612 chip to realize PWM dimming function, and the output current of OUT port is analog quantity, which has good dimming precision. The system structure is simple, the peripheral components are few, and the scheme cost is low.

[0030] Cold and warm light double illumination lamp beads and RGB lamp beads are arranged on the same lamp bead plate. The lamp body is made of aluminum alloy material, and the lamp body made of aluminum alloy material (usually aluminum ADC12 material is selected) has good heat dissipation performance.

[0031] The application realizes the intelligent control of city brightening by setting the lightness, color temperature and red, green and blue color of the light controlled by the mobile phone APP, so as to meet the different application scene requirements of different customers, make the function of the product more rich and varied, and make the product more efficient and practical. The colored light source can also be programmed to realize the automatic conversion of light color. In addition, the timing setting (timing light adjustment and color adjustment, timing on-off) can be performed according to the requirements of different application scenes, so as to meet the different requirements of different customers.

[0032] The application improves the internal driving scheme of the traditional LED light projector, changes the illumination light source into a cold and warm light double illumination light source, integrates the RGB colored light source on the illumination light source, integrates the cold and warm light double illumination lamp beads and the RGB lamp beads on the same lamp bead plate, that is, integrates the variable color temperature illumination and the RGB variable color lamp in a set of lamp inside, realizes the function of three-in-one of light adjustment, color temperature adjustment and RGB, saves the lamp space, saves the cost, and improves the performance of the product.

[0033] The above content is a further detailed description of the provided technical scheme in combination with the preferred embodiments of the present patent, and cannot be regarded as the limitation of the specific implementation of the present patent to the above description. For ordinary skilled persons in the technical field to which the present patent belongs, without departing from the concept of the present patent, a number of simple deductions or replacements can be made, which should be regarded as belonging to the protection scope of the present patent.

Claims

1. A smart color-changing floodlight, characterized in that: The lamp includes a lamp housing, which contains dual-light (cool and warm light) LED beads and RGB LED beads. A dimming and color temperature adjustment module, wherein the dimming and color temperature adjustment module adopts one of the following: a graffiti module, a WIFI control module, or a Bluetooth control module; A color light control module, comprising a color light control circuit, wherein the color light control circuit includes a color light control chip, and the color light control chip is used to dim RGB LED beads; The white light control module includes a white light control circuit, which includes a warm light / cool light control chip. The warm light / cool light control chip is used to dim the warm light / cool light of the lamp beads used for dual lighting. The power module includes a DC power supply for the colored light and a 3.3V power line. The DC power supply for the colored light is electrically connected to the colored light control circuit, and the 3.3V power line is electrically connected to the dimming and color temperature adjustment module. The dimming and color temperature adjustment module is connected to the color light control circuit and the white light control circuit respectively.

2. The intelligent color-changing floodlight as described in claim 1, characterized in that: The colored light DC power supply includes a first AC-DC step-down chip, which is used to rectify AC power and convert it into DC 24V; the 3.3V power supply line includes a second AC-DC step-down chip, which is used to rectify AC power and convert it into DC 3.3V.

3. The intelligent color-changing floodlight as described in claim 2, characterized in that: Both the first AC-DC step-down chip and the second AC-DC step-down chip use the BP2522 constant voltage chip. The first AC-DC step-down chip has a frequency dithering circuit to disperse harmonic interference energy. The second AC-DC step-down chip has a MOSFET to set up the BUCK step-down circuit.

4. The intelligent color-changing floodlight as described in claim 1, characterized in that: The color light control chip adopts the SM15633 three-channel LED constant current drive control chip. The SM15633 three-channel LED constant current drive control chip has a built-in OUT port high voltage drive module, PWM dimming module, over-temperature protection module, and constant current drive module.

5. The intelligent color-changing floodlight as described in claim 1, characterized in that: The warm / cold light control chip adopts the SM2612 dual-channel dimmable LED linear constant current control chip. The SM2612 dual-channel dimmable LED linear constant current control chip has a built-in OUT port high voltage drive module, PWM dimming module, over-temperature protection module, and constant current drive module.

6. The intelligent color-changing floodlight as described in claim 1, characterized in that: The dual-light (warm and cool) LED beads and RGB LED beads are set on the same LED bead board.

7. The intelligent color-changing floodlight as described in claim 1, characterized in that: The lamp housing is made of aluminum alloy.

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