WO2013029366A1

WO2013029366A1 - Dynamic lighting rod

Info

Publication number: WO2013029366A1
Application number: PCT/CN2012/072593
Authority: WO
Inventors: 陈芒
Original assignee: 深圳市超维实业有限公司
Priority date: 2011-09-01
Filing date: 2012-03-20
Publication date: 2013-03-07
Also published as: CN202215947U

Abstract

A dynamic lighting rod, including a hollow light transparent rod body disposed therein with a dynamic lighting device (3). The dynamic lighting device (3) includes: an acceleration sensor (32) detecting the motion acceleration change of the hollow light transparent rod body, and a coloured lighting module (33) for producing a plurality of coloured lights, and a controller (31). The acceleration sensor (32) and coloured lighting module (33) are electrically connected to the controller (31) respectively. During the swinging of the hollow light transparent rod body, the dynamic lighting rod can dynamically display different coloured lights and realize colourful lighting effects.

Description

Dynamic glow stick

Technical field

This invention relates to glow sticks and, more particularly, to a dynamic glow stick.

Background technique

The existing light sticks are all light sticks, and in the process of waving the light sticks, only one color can be displayed, that is, the color light displayed by the light sticks cannot be dynamically changed, so the effect is relatively monotonous; in addition, the light stick contains the component benzene. Dimethyl formate and dibutyl phthalate have low toxicity. If you accidentally leak, being sucked or touched by the human body may cause nausea, dizziness, paralysis, and even coma, which may cause harm to human health, so it is not safe to use. Therefore, there is an urgent need to develop a light-emitting rod that uses safe and dynamically changing color light.

发明内容Summary of the invention

The technical problem to be solved by the present invention is to provide a dynamic light-emitting bar for the prior art light-emitting rods which are unsafe to use, have a single color light display, and have poor dynamic effects.

The technical solution adopted by the present invention to solve the technical problem is: constructing a dynamic light-emitting rod, comprising a hollow light-transmitting rod body, wherein a dynamic light-emitting device is disposed in the hollow light-transmitting rod body; the dynamic light-emitting device comprises: An acceleration sensor for detecting a change in motion acceleration of the hollow light-transmitting rod body, a color light-emitting module for generating a plurality of color lights, and a controller; wherein the acceleration sensor and the color light-emitting module are respectively electrically connected to the controller; The acceleration sensor is a vibration acceleration sensor, which mainly comprises an accelerometer head, an adjustment circuit and a metal casing; the accelerometer head is manufactured by silicon micromachining, and the differential capacitance sensitive structure is filled with a ceramic shell and filled with nitrogen. The soldering circuit is soldered on the printed circuit board; the adjusting circuit is mainly composed of an integrated circuit, a peripheral resistor and a capacitor and is soldered on the printed circuit board by surface mounting; the metal shell is an anodized black aluminum alloy shell The internal component is epoxy filled; the light emitting module includes an LED array a decoding circuit; an input control line of the LED array is electrically connected to an output line of the decoding circuit, an input line of the decoding circuit is electrically connected to the controller; the LED array is composed of a plurality of light emitting diodes; The diode is a red LED, an orange LED, a yellow LED, a green LED, a cyan LED, a blue LED, or a purple LED; the LED is an organic LED; the organic LED includes an electrode pair, and a support of the electrode pair electrically connected, a crystal grain located in the support, a polymer coating layer in the support and used for wrapping the crystal grain, and dispersed in the polymer coating layer a phosphor and an organic molecule for encapsulating the phosphor; wherein the phosphor is a quantum dot type; the phosphor particle has a size of 10 nm to 15 nm; the phosphor is doped with a halogen; The molecule is a fatty acid; the controller is a single-chip controller, and the single-chip controller adopts a 40-pin dual in-line package; wherein, the main power supply The feet are Vss and Vcc, Vss is grounded, Vcc is +5 volt power supply during normal operation; the external crystal oscillator pins are XTAL1 and XTAL2, XTAL1 is the input terminal of the internal oscillator circuit inverting amplifier, which is a pin of the external crystal; When the external oscillator is used, this pin is grounded; XTAL2 is the output of the inverting amplifier of the internal oscillator circuit, which is the other end of the external crystal. When the external oscillator is used, this pin is connected to the external oscillator source; control or reuse with the power supply. The pins are RST/VPD, ALE/PROG, EA and /Vpp. RST/VPD is used when the oscillator is running. A high level of two machine cycles occurs on this pin, which will reset the device at the pin. During Vcc power-down, this pin can be connected to the backup power supply, and the VPD provides internal backup power to maintain the data in the internal RAM; ALE/PROG is ALE function during normal operation to provide the low byte of the address to be latched to External latch, the ALE pin periodically sends a positive pulse signal at a constant frequency for use as a clock for external output, or for timing; whenever an external data memory is accessed, an ALE pulse is skipped, ALE The terminal is used to drive eight LSTTL circuits. When the microcontroller controller is of the EPROM type, during the EPROM programming, this pin receives the programming pulse P, and the PSEN external program memory reads the strobe signal output, which is stored from the external program. During the instruction, it is valid twice and drives eight LSTTL inputs in each machine cycle; EA/Vpp, EA/Vpp are internal program memory and external program memory selection; when EA/Vpp is high, access internal program memory; When /Vpp When low, access external program memory; during EPROM programming, add 21 volt EPROM programming power to this pin; input/output pins are P0.0~P0.7, P1.0~P1.7, P2 .0~P2.7, P3.0~P3.7; P0.0~P0.7 are 8-bit open-drain bidirectional I/O ports, which are time-division low-byte addresses when accessing external memory. And the data bus, P0.0~P0.7 can drive eight LSTTL loads by sinking current; P1.0~P1.7 is an 8-bit quasi-bidirectional I/O port with internal boost resistors, capable of driving four LSTTL load; P2.0~P2.7 is an 8-bit quasi-bidirectional I/O port with internal boost resistor. When accessing external memory, it outputs high 8-bit address, P2.0~P2.7 is used to drive four. LSTTL load; P3.0~P3.7 is an 8-bit quasi-bidirectional I/O port with internal lifting resistor for driving four LSTTL loads; the hollow light-transmitting rod body includes rigid hollow light-transmitting body and flexible The transparent transparent transparent body is a glass tube, a transparent plastic tube or a transparent acrylic tube; and the flexible transparent protective layer is a polyethylene transparent protective layer.

According to another aspect of the present invention, a dynamic light-emitting bar is provided, comprising a hollow light-transmissive rod body in which a dynamic light-emitting device is disposed; the dynamic light-emitting device includes: for detecting the hollow An acceleration sensor that changes a movement acceleration of the light-transmitting rod, a color light-emitting module for generating a plurality of color lights, and a controller; wherein the acceleration sensor and the color light-emitting module are respectively electrically connected to the controller; the acceleration sensor is a vibration Acceleration sensor, the vibration acceleration sensor mainly comprises an accelerometer head, an adjustment circuit and a metal casing; the accelerometer head is manufactured by silicon micromachining, a differential capacitance sensitive structure, a ceramic tube shell filled with nitrogen, and a surface mount type soldered in printing a circuit board; the adjusting circuit is mainly composed of an integrated circuit, a peripheral resistor and a capacitor and is soldered on the printed circuit board by surface mounting; the metal shell is an aluminum alloy shell with an anodized black surface, and the inner component is a ring Oxygen filling; the light emitting module includes an LED array and a decoding circuit; An input control line of the ED array is electrically connected to an output line of the decoding circuit, and an input line of the decoding circuit is electrically connected to the controller; the LED array is composed of a red light emitting diode, an orange light emitting diode, a yellow light emitting diode, and a green light emitting diode. , cyan LED, blue LED, purple LED.

According to still another aspect of the present invention, a dynamic light-emitting bar includes a hollow light-transmitting rod body, and a dynamic light-emitting device is disposed in the hollow light-transmitting rod body; the dynamic light-emitting device includes: for detecting the hollow An acceleration sensor that changes the movement acceleration of the light-transmitting rod, a color light-emitting module for generating a plurality of color lights, and a controller; wherein the acceleration sensor and the color light-emitting module are electrically connected to the controller, respectively.

In the dynamic light bar of the present invention, the light emitting diode is an organic light emitting diode.

In the dynamic glow stick of the present invention, the controller is a single chip controller.

In the dynamic glow stick of the present invention, the controller is an 8-bit microcontroller controller.

In the dynamic light-emitting rod of the present invention, the hollow light-transmitting rod body comprises a rigid hollow light-transmitting body and a flexible light-transmitting protective layer.

In the dynamic light-emitting rod of the present invention, the rigid hollow light-transmitting body is a glass tube, a transparent plastic tube or a transparent acrylic tube.

In the dynamic light-emitting bar of the present invention, the flexible light-transmitting protective layer is a polyethylene light-transmitting protective layer.

The dynamic light-emitting bar of the present invention has the following beneficial effects: by providing a dynamic light-emitting device in the hollow light-transmitting rod body, the different color lights can be dynamically displayed during the swinging process of the hollow light-transmitting rod body, thereby realizing colorful illumination. The effect; in addition, no toxic chemicals are needed as the luminescent material, and the use is safe and reliable.

DRAWINGS

The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

1 is a schematic structural view of a dynamic light bar of the present invention;

2 is a circuit block diagram of the color light emitting module shown in FIG. 1;

3 is a circuit schematic diagram of an embodiment of a single chip controller used in the controller shown in FIG. 2;

Figure 4 is a circuit diagram of the acceleration sensor shown in Figure 2;

FIG. 5 is a circuit schematic diagram of another embodiment of a single chip controller employed by the controller shown in FIG.

detailed description

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in FIGS. 1 and 2, in the dynamic light-emitting rod of the present invention, the main bearing member is a hollow light-transmitting rod body, and a dynamic light-emitting device 3 is disposed in the hollow light-transmitting rod body, thereby being hollowed out by the user. When the light bar body is dancing, the dynamic light-emitting device 3 will dynamically change the displayed color light, and can be presented through the hollow light-transmitting rod body, and is perceived by the human eye.

In a specific design, the dynamic light emitting device 3 may include an acceleration sensor 32, a controller 31, and a color light emitting module 33. In particular use, the acceleration sensor 32 is for detecting that the hollow light transmissive rod is stationary or moving. When it is at rest, it means that the user has not waved the hollow light-transmitting rod, so the color light display is not performed. If the acceleration sensor 32 detects that the hollow light-transmitting rod body is subjected to an external force, a motion change occurs, that is, a motion acceleration of the hollow light-transmitting rod body changes, whereby the acceleration sensor 32 transmits the detected acceleration change signal to The controller 31 analyzes and processes the acceleration detection signal, and controls the color illumination module 33 to display different color lights according to preset illumination settings.

In a preferred embodiment, the acceleration sensor is a vibration acceleration sensor that uses a single crystal silicon to form a mass-spring-damping system, and a differential capacitance method detects the relative displacement of the center mass and the fixed frame, and the relative displacement and the external input acceleration Has a certain proportional relationship. The vibration acceleration sensor mainly comprises an accelerometer head, an adjustment circuit and a metal casing; the accelerometer head is manufactured by silicon micromachining, a differential capacitance sensitive structure, is filled with a ceramic shell and filled with nitrogen, and is attached to the printed circuit board in a surface mount form. The adjusting circuit is mainly composed of an integrated circuit, a peripheral resistor and a capacitor and is soldered on the printed circuit board by surface mounting; the metal shell is an aluminum alloy shell with anodized black surface, and the inner component is epoxy filled. In actual use, the acceleration sensor 32 may select a piezoelectric accelerometer, an integrated piezoelectric accelerometer, a piezoresistive accelerometer or a variable capacitance accelerometer. When using piezoelectric accelerometers, they are smaller, lighter, and have a wider temperature range. When integrated circuit type piezoelectric accelerometers are used, they have better sensitivity and temperature related characteristics. When using piezoresistive accelerometers, the output impedance is lower and the sensitivity is lower. When using a variable capacitance accelerometer, its performance is reliable. As shown in FIG. 4, the acceleration sensor 32 can employ an accelerometer circuit composed of a monolithic acceleration sensor MMA1220D, wherein C1 is a power supply decoupling capacitor. A low-pass filter is formed by R and C2 to filter out clutter generated by the switched capacitor. The chip is reset when the high level is input from pin 4.

In addition, the color light emitting module 33 may include a plurality of light emitting diodes, each of which displays different color lights, that is, a green light emitting diode, a red light emitting diode, a yellow light emitting diode, a purple light emitting diode, and the like. During the operation of the controller 31 to control the color light-emitting module 33, a set of programs is designed, which control the light-emitting diodes of various colors to sequentially emit light according to the acceleration change of the hollow light-transmitting rod body, for example, red light, green light, blue Bright, red and green are bright at the same time, and red, green and blue are simultaneously bright, so that the hollow light-transmitting rod body can emit various changed colors. It can be understood that if the designed program changes, the manner of color change will change, and is not limited to the above mentioned manner. In a preferred embodiment, the lighting module comprises an LED array and a decoding circuit; An input control line of the LED array is electrically connected to an output line of the decoding circuit, and an input line of the decoding circuit is electrically connected to the controller; the LED array is composed of a red light emitting diode, an orange light emitting diode, a yellow light emitting diode, and a green light emitting diode. , cyan LED, blue LED, purple LED.

In addition, the light emitting diode can also use an organic light emitting diode, which can be made of an organic light emitting material capable of displaying ultraviolet light, and is based on the ultraviolet light organic light emitting diode, and is disposed on the ultraviolet light emitting surface. a layer of phosphor, which uses ultraviolet light to excite the phosphor layer on the surface to generate visible light of various colors; in addition, the ultraviolet light-emitting organic light-emitting diode is formed into a plurality of light-emitting points in an array, and at each light-emitting point A phosphor layer of red, green, blue, or the like is disposed on the surface, and each of the phosphor layers is excited by ultraviolet light to generate red, green, blue, and the like to form a color light-emitting module 33. Further, the specific design of the organic light emitting diode may include: an electrode pair, a support electrically connected to the pair of electrodes, a die located in the support, located in the support, and used for wrapping a polymer coating layer of a crystal grain, a phosphor dispersed in the polymer coating layer, and an organic molecule for encapsulating the phosphor; wherein the phosphor is a quantum dot type; the phosphor particle a size of 10 nm to 15 nm; the phosphor is doped with a halogen; the organic molecule is a fatty acid;

In a specific implementation, the controller may be a single-chip controller, such as an 8-bit microcontroller controller. For example, as shown in FIG. 3, in order to save cost, the controller 31 can employ an MSP430F122 microcontroller controller. As shown in FIG. 5, the controller is a single-chip controller, and the single-chip controller adopts a 40-pin dual in-line package method; wherein, the main power supply pins are Vss and Vcc, and Vss is grounded, and Vcc is normally operated. +5 volt power supply; external crystal oscillator pins are XTAL1 and XTAL2, XTAL1 is the input terminal of the internal oscillator circuit inverting amplifier, and is a pin of the external crystal; when external oscillator is used, this pin is grounded; XTAL2 is internal oscillation The output of the inverting amplifier of the circuit is the other end of the external crystal. When an external oscillator is used, this pin is connected to the external oscillator source; the control or multiplexed pins with the power supply are RST/VPD, ALE/PROG, EA and / Vpp, RST/VPD is used to generate a high level of two machine cycles on this pin when the oscillator is running, which will reset the device. When the pin Vcc is powered down, this pin can be connected to the backup power supply. The VPD provides internal backup power to maintain the data in the internal RAM; ALE/PROG operates in the ALE function to provide the low byte of the address to the external latch, and the ALE pin has a constant frequency cycle. Sently emit a positive pulse signal to use as Externally output clock, or used for timing; whenever an external data memory is accessed, an ALE pulse will be skipped, ALE The terminal is used to drive eight LSTTL circuits. When the microcontroller controller is of the EPROM type, during the EPROM programming, this pin receives the programming pulse P, and the PSEN external program memory reads the strobe signal output, which is stored from the external program. During the instruction, it is valid twice and drives eight LSTTL inputs in each machine cycle; EA/Vpp, EA/Vpp are internal program memory and external program memory selection; when EA/Vpp is high, access internal program memory; When /Vpp When low, access external program memory; during EPROM programming, add 21 volt EPROM programming power to this pin; input/output pins are P0.0~P0.7, P1.0~P1.7, P2 .0~P2.7, P3.0~P3.7; P0.0~P0.7 are 8-bit open-drain bidirectional I/O ports, which are time-division low-byte addresses when accessing external memory. And the data bus, P0.0~P0.7 can drive eight LSTTL loads by sinking current; P1.0~P1.7 is an 8-bit quasi-bidirectional I/O port with internal boost resistors, capable of driving four LSTTL load; P2.0~P2.7 is an 8-bit quasi-bidirectional I/O port with internal boost resistor. When accessing external memory, it outputs high 8-bit address, P2.0~P2.7 is used to drive four. LSTTL load; P3.0~P3.7 is an 8-bit quasi-bidirectional I/O port with internal boost resistor for driving four LSTTL loads. The hollow light transmissive rod body comprises a rigid hollow light transmissive body 1 and a flexible light transmissive protective layer 2. The dynamic light-emitting device 3 is disposed in the rigid hollow light-transmitting body 1, and the flexible light-transmitting protective layer 2 surrounds the rigid hollow light-transmitting body 1 and serves as a hand-held contact portion during the user's waving process. Preferably, the rigid hollow light transmissive body 1 is a glass tube, a transparent plastic tube or a transparent acrylic tube. The flexible transparent protective layer 2 is a polyethylene transparent protective layer.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims

1. A dynamic light-emitting bar comprising a hollow light-transmissive rod body, wherein a dynamic light-emitting device is disposed in the hollow light-transmitting rod body; the dynamic light-emitting device comprises: detecting the motion acceleration of the hollow light-transmitting rod body A variable acceleration sensor, a color illumination module for generating a plurality of color lights, and a controller; wherein the acceleration sensor and the color illumination module are electrically connected to the controller, respectively.

2. The dynamic lighting stick according to claim 1, wherein the acceleration sensor is a piezoelectric accelerometer, an integrated piezoelectric accelerometer, a piezoresistive accelerometer or a variable capacitance accelerometer.

3. The dynamic glow stick of claim 1 wherein said color light emitting module comprises a plurality of light emitting diodes, each light emitting diode exhibiting a different color light.

4. The dynamic glow stick of claim 3 wherein said light emitting diode is an organic light emitting diode.

5. The dynamic glow stick of claim 1 wherein the controller is a microcontroller controller.

6. A dynamic glow stick according to claim 1 wherein said controller is an 8-bit microcontroller controller.

The dynamic light-emitting bar according to any one of claims 1 to 6, wherein the hollow light-transmitting rod body comprises a rigid hollow light-transmitting body and a flexible light-transmitting protective layer.

8. A dynamic glow stick according to claim 7 wherein the rigid hollow light transmissive body is a glass tube, a clear plastic tube or a transparent acrylic tube.

9. The dynamic glow stick of claim 7, wherein the flexible light transmissive protective layer is a polyethylene light transmissive protective layer.

A dynamic light-emitting rod comprising a hollow light-transmitting rod body, wherein a dynamic light-emitting device is disposed in the hollow light-transmitting rod body; the dynamic light-emitting device comprises: for detecting the hollow light-transmitting rod body An acceleration sensor with a change in motion acceleration, a color illumination module for generating a plurality of color lights, and a controller; wherein the acceleration sensor and the color illumination module are respectively electrically connected to the controller; the acceleration sensor is a vibration acceleration sensor, The vibration acceleration sensor mainly comprises an accelerometer head, an adjustment circuit and a metal casing; the accelerometer head is manufactured by silicon micromachining, the differential capacitance sensitive structure is filled with a ceramic shell and filled with nitrogen, and the surface is soldered on the printed circuit board; The adjusting circuit is mainly composed of an integrated circuit, a peripheral resistor and a capacitor and is soldered on the printed circuit board by surface mounting; the metal shell is an aluminum alloy shell with anodized black surface, and the inner component is filled with epoxy; The light emitting module includes an LED array and a decoding circuit; input control of the LED array The line is electrically connected to an output line of the decoding circuit, the input line of the decoding circuit is electrically connected to the controller; the LED array is composed of a plurality of light emitting diodes; the light emitting diode is a red light emitting diode, an orange light emitting diode, and a yellow a light emitting diode, a green light emitting diode, a cyan light emitting diode, a blue light emitting diode or a purple light emitting diode; the light emitting diode is an organic light emitting diode; the organic light emitting diode comprises an electrode pair, a support electrically connected to the electrode pair, and is located a crystal grain in the support, a polymer coating layer in the support and used to wrap the crystal grain, a phosphor dispersed in the polymer coating layer, and a phosphor for wrapping the phosphor An organic molecule; wherein the phosphor is a quantum dot type; the phosphor particle has a size of 10 nm to 15 nm; the phosphor is doped with a halogen; the organic molecule is a fatty acid; and the controller is controlled by a single chip microcomputer The single-chip controller adopts a 40-pin dual in-line package; wherein the main power pins are Vss and Vcc, Vss is grounded, and Vcc operates normally. It is a +5 volt power supply; the external crystal oscillator pins are XTAL1 and XTAL2. XTAL1 is the input terminal of the internal oscillator circuit inverting amplifier and is a pin of the external crystal. When the external oscillator is used, this pin is grounded; XTAL2 is internal. The output of the inverting amplifier of the oscillating circuit is the other end of the external crystal. When an external oscillator is used, this pin is connected to an external oscillating source; the control or multiplexed pins with the power supply are RST/VPD, ALE/PROG, EA and /Vpp, RST/VPD is used to generate a high level of two machine cycles on this pin when the oscillator is running, which will reset the device. When the pin Vcc is powered down, this pin can be connected to the backup power supply. The VPD provides internal backup power to maintain the data in the internal RAM; ALE/PROG operates in the ALE function to provide the low byte of the address to the external latch, and the ALE pin has a constant frequency. A positive pulse signal is periodically issued to be used as a clock for external output, or for timing; whenever an external data memory is accessed, an ALE pulse is skipped, ALE The terminal is used to drive eight LSTTL circuits. When the microcontroller controller is of the EPROM type, during the EPROM programming, this pin receives the programming pulse P, and the PSEN external program memory reads the strobe signal output, which is stored from the external program. During the instruction, it is valid twice and drives eight LSTTL inputs in each machine cycle; EA/Vpp, EA/Vpp are internal program memory and external program memory selection; when EA/Vpp is high, access internal program memory; When /Vpp When low, access external program memory; during EPROM programming, add 21 volt EPROM programming power to this pin; input/output pins are P0.0~P0.7, P1.0~P1.7, P2 .0~P2.7, P3.0~P3.7; P0.0~P0.7 are 8-bit open-drain bidirectional I/O ports, which are time-division low-byte addresses when accessing external memory. And the data bus, P0.0~P0.7 can drive eight LSTTL loads by sinking current; P1.0~P1.7 is an 8-bit quasi-bidirectional I/O port with internal boost resistors, capable of driving four LSTTL load; P2.0~P2.7 is an 8-bit quasi-bidirectional I/O port with internal boost resistor. When accessing external memory, it outputs high 8-bit address, P2.0~P2.7 is used to drive four. LSTTL load; P3.0~P3.7 is an 8-bit quasi-bidirectional I/O port with internal lifting resistor for driving four LSTTL loads; the hollow light-transmitting rod body includes rigid hollow light-transmitting body and flexible The transparent transparent transparent body is a glass tube, a transparent plastic tube or a transparent acrylic tube; and the flexible transparent protective layer is a polyethylene transparent protective layer.

A dynamic light-emitting rod comprising a hollow light-transmitting rod body, wherein a dynamic light-emitting device is disposed in the hollow light-transmitting rod body; the dynamic light-emitting device comprises: for detecting the hollow light-transmitting rod body An acceleration sensor with a change in motion acceleration, a color illumination module for generating a plurality of color lights, and a controller; wherein the acceleration sensor and the color illumination module are respectively electrically connected to the controller; the acceleration sensor is a vibration acceleration sensor, The vibration acceleration sensor mainly comprises an accelerometer head, an adjustment circuit and a metal casing; the accelerometer head is manufactured by silicon micromachining, the differential capacitance sensitive structure is filled with a ceramic shell and filled with nitrogen, and the surface is soldered on the printed circuit board; The adjusting circuit is mainly composed of an integrated circuit, a peripheral resistor and a capacitor and is soldered on the printed circuit board by surface mounting; the metal shell is an aluminum alloy shell with anodized black surface, and the inner component is filled with epoxy; The light emitting module includes an LED array and a decoding circuit; input control of the LED array The line is electrically connected to the output line of the decoding circuit, and the input line of the decoding circuit is electrically connected to the controller; the LED array is composed of a red light emitting diode, an orange light emitting diode, a yellow light emitting diode, a green light emitting diode, and a cyan light emitting diode. It consists of a blue LED and a purple LED.