Intelligent running water steering LED lamp module capable of being controlled by mobile phone and assembling method of intelligent running water steering LED lamp module

Abstract

The invention discloses an intelligent flowing water steering LED lamp module capable of being controlled by a mobile phone. The intelligent flowing water steering LED lamp module comprises a lamp holder shell, and a magnet groove and a contact mounting hole are pre-buried in the back face of the lamp holder shell; the magnetic attraction power supply layer is installed on the back face of the lamp holder shell and comprises a Pogo Pin contact module installed in the contact installation hole, a neodymium magnet array in the magnet groove and a PET insulating isolation film arranged in a covering mode; the LED lamp panel is fixed in the lamp holder shell through screws; and the transparent lampshade hermetically covers the front end of the lamp holder shell. Through magnetic attraction design and power supply, a neodymium magnet array and a spring needle contact with alternately arranged polarities are adopted, physical attraction and electrical connection are completed synchronously, the trouble that wiring and assembling are tedious and maintenance is not easy is avoided, and the modularization degree is high; a six-axis gyroscope and an ambient light sensor are installed to sense the inclination angle of the mobile phone and adjust the LED light flow direction in real time, and dynamic light flow control is completed; the main control chip is modularly expanded and supports a multi-module ad hoc network, and a user can customize a splicing shape.

Description

Technical Field

[0001] The invention belongs to the technical field of LED vehicle lamp modules, and in particular relates to an intelligent flow-turning LED lamp module controllable by a mobile phone and an assembly method thereof. Background Art

[0002] With the development of LED lighting technology, LEDs have also begun to be widely used in automotive lighting systems. People have begun to pursue more dazzling display effects, and flowing dynamic display lights have gradually been applied to indicator lights and decorative lights. At present, there are sequential streamer turn signal functions similar to the effect of a marquee on the headlights and taillights of cars. In order to unify the display effect of the streamer turn signal on the headlights and taillights, the turn signal on the exterior rearview mirror also needs to be made into a streamer turn signal. In the prior art, streamer turn signals are mostly based on microcontroller units (Micro Controller Unit, hereinafter referred to as MCU), which control the LED light source through programming. They have a simple structure and a single lighting effect. They are less used in some commercial vehicles such as golf cars. They have cumbersome wiring, such as WS2812B needs to be welded, and cannot respond to external inputs in real time, such as mobile phone actions; they have poor scalability and fixed shapes that are difficult to change, that is, the overall intelligent application is rough.

[0003] Therefore, there is an urgent need for a novel and convenient smart water flow steering LED light module that can be controlled by a mobile phone. Summary of the invention

[0004] In view of this, the technical problem to be solved by the present invention is to provide an intelligent flow-turn LED light module controllable by a mobile phone and an assembly method thereof, so as to avoid the troubles of the previous vehicle light modules with single intelligent light effect, cumbersome assembly, slow external response and poor scalability.

[0005] In order to solve the above technical problems, the present invention discloses an intelligent water flow turning LED light module which can be controlled by a mobile phone, comprising: The lamp holder housing has a magnet slot and a contact mounting hole embedded in the back of the lamp holder housing; A magnetic power supply layer installed on the back of the lamp holder housing, the magnetic power supply layer includes a Pogo Pin contact module installed in the contact mounting hole, a neodymium magnet array in the magnet slot, and a PET insulating isolation film. The Pogo Pin contact module is welded with a conductive copper ring for enhancing current carrying capacity; An LED light board is fixed in the lamp holder housing by screws, and the LED light board is provided with a plurality of LED lamp beads, a main control chip, and a sensor; The sealing cover is arranged on the transparent lampshade at the front end of the lamp holder shell.

[0006] According to one embodiment of the present invention, the main control chip is ESP32-C3.

[0007] According to an embodiment of the present invention, the sensor includes a six-axis gyroscope and an ambient light sensor, namely MPU6050 and BH1750 respectively.

[0008] According to an embodiment of the present invention, the neodymium magnet array includes N52 neodymium magnets symmetrically arranged at the four corners, with a size of 5mm×2mm, and the adjacent magnets have opposite polarities.

[0009] According to an embodiment of the present invention, the main control chip is connected to the mobile phone APP through Bluetooth or wifi, and the dynamic optical flow control is realized by sending JSON instructions containing angle, speed, and RGB color through the mobile phone APP.

[0010] The present invention also discloses an assembly method for a mobile phone-controlled intelligent flowing water steering LED lamp module, including: Step a. Glue fixing: Use a dispensing machine to inject 0.05 ml of epoxy glue into the magnet groove of the lamp holder housing; use tweezers to press the magnets into the groove in the N-S-N-S polarity arrangement, with an interference of 0.05 mm, and the curing conditions: 30 minutes in an 80°C oven; Step b. Polarity verification: Use a gaussmeter to detect whether the polarities of adjacent magnets are opposite; Adsorption force test: The required vertical pulling force ≥ 1.2 kgf; Step c. Welding components: SMT patching: ESP32-C3, MPU6050, BH1750, the peak value of the reflow soldering curve is 245°C; Manual soldering: USB-C interface; Step d. Function test: After power-on, check whether the Bluetooth MAC address is normally written through AT commands; Step e. Thermal interface treatment: Uniformly apply thermal grease on the back of the LED aluminum substrate, with a thickness of 0.5mm ± 0.1mm, use a scraper to eliminate air bubbles, and visually inspect the coverage rate > 95%; Step f. Mechanical fixing: Align the LED aluminum substrate with the positioning posts of the bottom case, with a tolerance of ±0.2 mm; Lock it with M2×4mm stainless steel screws; Step g. Contact welding: Weld Pogo Pin on the FR4 carrier board and attach a PET insulating isolation film; Step h. Cover assembly: Embed the silicone rubber sealing ring into the groove of the bottom case; When buckling the PC cover, first align the USB interface side, then press the four sides tightly, and lock with screws.

[0011] Compared with the prior art, the present invention can achieve the following technical effects: Through the magnetic attraction design and power supply, using a neodymium magnet array with alternating polarities and spring pin contacts, the physical adsorption and electrical connection are completed synchronously, avoiding the trouble of cumbersome wiring assembly and difficult maintenance, and having a high degree of modularity; By installing a six-axis gyroscope and an ambient light sensor to sense the tilt angle of the phone, the LED light flow direction can be adjusted in real time to achieve dynamic light flow control. Modular expansion of the main control chip: supports multi-module self-organizing network, and users can customize the splicing shape.

[0012] Of course, any product implementing the present invention does not necessarily need to achieve all of the above-mentioned technical effects at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings: Figure 1 This is a schematic diagram of an intelligent water flow turning LED light module that can be controlled by a mobile phone according to an embodiment of the present invention; Figure 2 It is a flow chart of the assembly method of the smart water flow turning LED lamp module that can be controlled by a mobile phone according to an embodiment of the present invention. Figure ID

[0014] Lamp holder housing 10 , magnetic power supply layer 20 , LED lamp board 30 , transparent lamp cover 40 . DETAILED DESCRIPTION

[0015] The following will describe the implementation methods of the present invention in detail with reference to the accompanying drawings and embodiments, so that the implementation process of how the present invention applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0016] Please refer to Figure 1 , Figure 1 It is a schematic diagram of an intelligent water flow turning LED light module controllable by a mobile phone according to an embodiment of the present invention.

[0017] As shown in the figure, an intelligent flow-turning LED lamp module controllable by a mobile phone includes: a lamp holder shell 10, a magnet groove and a contact mounting hole embedded on the back of the lamp holder shell 10; a magnetic power supply layer 20 installed on the back of the lamp holder shell 10, the magnetic power supply layer 20 includes a Pogo Pin contact module installed in the contact mounting hole, a neodymium magnet array in the magnet groove, and a covering PET insulating isolation film, the Pogo Pin contact module is welded with a conductive copper ring for enhancing current carrying capacity; an LED lamp board 30 fixed in the lamp holder shell 10 by screws, the LED lamp board 30 is provided with a plurality of LED lamp beads, a main control chip, and a sensor; a transparent lampshade 40 with a sealing cover arranged at the front end of the lamp holder shell 10.

[0018] In one embodiment of the present invention, the lamp holder housing 10 can be set as an aluminum alloy bottom shell with good heat dissipation. The rear side is pre-buried with magnet slots and contact mounting holes. Through the magnet layout: N52 neodymium magnets (diameter 5mm×thickness 2mm) are embedded in the four corners, and the polarities are arranged alternately (to prevent misalignment adsorption), and further electrical connection is achieved: gold-plated Pogo Pin contacts (2×VCC, 2×GND, 1×DATA), contact resistance <0.1Ω. The modules are automatically aligned by magnetic attraction, and the contact spacing is 12mm±0.1mm.

[0019] A magnetic ring is added around the contact to suppress high-frequency interference. The LED lamp board 30 is a main control PCB board, which is adhered to the inner plane of the lamp holder housing 10 by heat-conducting glue, and the transparent lamp cover 40 completes the front end protection and light guide.

[0020] Preferably, the main control chip is ESP32-C3. The sensor includes a six-axis gyroscope and an ambient light sensor, which are MPU6050 and BH1750 respectively. The neodymium magnet array includes N52 neodymium magnets arranged symmetrically at four corners, with a size of 5mm×2mm, and adjacent magnets have opposite polarities. Pogo Pin contact system selection parameters: Model: PP-425.

[0021] 1. The magnetic power supply layer assembly includes Step 1: Process a Φ5.1mm magnet slot on the aluminum alloy bottom shell (6063-T5) and press the neodymium magnet into it; Step 2: Solder the Pogo Pin to the FR4 carrier board and cover it with PET insulation film; Step 3: Test the contact resistance after power on (required to be <30mΩ).

[0022] 2. Dynamic Optical Flow Algorithm Python # Example: Convert the phone's tilt angle to the LED light flow direction def calculate_led_flow(angle): for i in range(LED_NUM): hue = (angle + i*30) % 360 # HSV hue offset set_led_color(i, hsv2rgb(hue, 100, 100)) 3. Modular testing Test 1: 10 modules are spliced ​​into a ring to verify the current balance (deviation <5%); Test 2: After 500 plugging and unplugging cycles, the magnetic attraction attenuation is <3%.

[0023] After testing, the installation time is reduced by 80% (can be spliced without tools); the response delay of the optical flow direction is <50 ms; it supports networking of up to 256 modules.

[0024] The present invention also discloses an assembly method for a smart water flow steering LED lamp module that can be controlled by a mobile phone, including: Step a. Glue fixing: Use a dispensing machine to inject epoxy glue into the magnet groove of the lamp holder housing, with a glue volume of 0.05 ml; use tweezers to press the magnets into the groove in the N-S-N-S polarity arrangement, with an interference of 0.05 mm, and the curing conditions: 30 minutes in an 80°C oven; Step b. Polarity verification: Use a gaussmeter to detect whether the polarities of adjacent magnets are opposite; Adsorption force test: The required vertical pulling force is ≥1.2 kgf; Step c. Welding components: SMT patching: ESP32-C3, MPU6050, BH1750, the peak value of the reflow soldering curve is 245°C; Manual welding: USB-C interface; Step d. Function test: After power-on, check whether the Bluetooth MAC address is written normally through AT commands; Step e. Thermal interface treatment: Uniformly apply thermal grease on the back of the LED aluminum substrate, with a thickness of 0.5 mm ± 0.1 mm, use a squeegee to eliminate air bubbles, and visually inspect the coverage rate >95%; Step f. Mechanical fixing: Align the LED aluminum substrate with the positioning posts of the bottom case, with a tolerance of ±0.2 mm; Lock it tightly with M2×4 mm stainless steel screws; Step g. Contact welding: Weld Pogo Pin on the FR4 carrier board and attach the PET insulating isolation film; Step h. Cover assembly: Embed the silicone rubber sealing ring into the groove of the bottom case; When buckling the PC cover, first align the USB interface side, then press the four sides tightly and lock with screws.

[0025] The assembled vehicle lamp module is subjected to electrical testing and environmental testing.

[0026] 1. Electrical testing Test item Standard Method Contact resistance <50 mΩ between VCC-GND Measured with a four-wire milliohm meter Insulation resistance >100 MΩ@500 VDC With a withstand voltage tester Bluetooth signal strength RSSI≥-70 dBm@10 m Tested in a shielded room 2. Environmental testing Vibration test: Random vibration from 10 - 500 Hz for 3 hours, no structural looseness.

[0027] High and low temperature cycle: Store at -20°C to 60°C for 48 hours, with normal functions.

[0028] It can be seen from this that the headlight module is stably assembled. The main control chip connects to the mobile phone APP via Bluetooth or Wi-Fi, and sends JSON instructions containing angles, speeds, and RGB colors through the mobile phone APP to achieve dynamic light flow control. The sensor supports horizontal / vertical two-way flowing water effects, and the LED beads can be independently controlled in direction (such as from left to right, snake-like movement, vortex diffusion, etc.).

[0029] An acceleration sensor is built-in, and the light flow direction can be changed in real time by shaking the mobile phone (such as tilting the mobile phone to the left, and the light flow turns left synchronously).

[0030] Full-function control of the mobile phone Exclusive APP: Connect via Bluetooth 5.0 or Wi-Fi, support for iOS / Android.

[0031] Customize the light flow speed, direction, and color gradient (167,000 colors in RGB).

[0032] Preset mode library (such as breathing lights, music rhythm, festival themes).

[0033] Gesture programming: Slide the finger on the APP screen, and the light follows the path dynamically.

[0034] Modular magnetic adsorption design Size of a single module: 50mm×20mm (can be spliced and extended), with a built-in strong magnet + 3M glue, which can be easily adsorbed on the metal surface or pasted on the wall.

[0035] Multiple modules automatically form a network, and linkage or independent control can be set in the APP (such as forming words or patterns).

[0036] Intelligent environment response The photosensitive sensor automatically adjusts the brightness (soft light at night / high brightness during the day).

[0037] Link with the mobile phone GPS, and automatically turn on the atmosphere light effect at sunset.

[0038] Open creative platform Supports users to upload custom light effect scripts and share them in the community.

[0039] The developer API can be connected to smart homes (such as voice control of Tmall Genie / HomeKit).

[0040] In summary, the present invention realizes the simultaneous completion of physical adsorption and electrical connection through magnetic attraction design and power supply, using a neodymium magnet array with alternating polarities and spring pin contacts, avoiding the cumbersome wiring assembly and the trouble of difficult maintenance, and having a high degree of modularity; by installing a six-axis gyroscope and an ambient light sensor to sense the tilt angle of the mobile phone and adjust the LED light flow direction in real time to complete dynamic light flow control; modular expansion of the main control chip: supporting multi-module self-organizing network, and users can customize the splicing shape.

[0041] The above description shows and describes several preferred embodiments of the present invention. However, as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the inventive concept described herein through the above teachings or the technology or knowledge in related fields. And any changes and modifications made by those skilled in the art without departing from the spirit and scope of the present invention shall fall within the protection scope of the appended claims of the present invention.

Claims

1. An intelligent water flow turning LED light module that can be controlled by a mobile phone, characterized in that: include: A lamp holder housing, wherein a magnet groove and a contact mounting hole are embedded in the back of the lamp holder housing; A magnetic power supply layer installed on the back of the lamp holder housing, the magnetic power supply layer comprising a Pogo Pin contact module installed in the contact mounting hole, a neodymium magnet array in the magnet slot, and a covered PET insulating isolation film, the Pogo Pin contact module is welded with a conductive copper ring for enhancing current carrying capacity; An LED lamp board fixed in the lamp holder housing by screws, wherein the LED lamp board is provided with a plurality of LED lamp beads, a main control chip, and a sensor; The sealing cover is arranged on the transparent lampshade at the front end of the lamp holder housing.

2. The smart water flow turning LED light module controllable by mobile phone according to claim 1 is characterized in that: The main control chip is ESP32-C3.

3. The intelligent water flow turning LED light module controllable by mobile phone according to claim 1 is characterized in that: The sensors include a six-axis gyroscope and an ambient light sensor, which are MPU6050 and BH1750 respectively.

4. The intelligent water flow turning LED light module controllable by mobile phone according to claim 1 is characterized in that: The neodymium magnet array includes N52 neodymium magnets symmetrically arranged at four corners, with a size of 5mm×2mm, and adjacent magnets have opposite polarities.

5. The intelligent water flow turning LED light module controllable by mobile phone according to claim 1 is characterized in that: The main control chip is connected to the mobile phone APP via Bluetooth or WiFi, and the mobile phone APP sends JSON instructions containing angle, speed, and RGB color to achieve dynamic optical flow control.

6. An assembly method of the mobile phone-controlled intelligent water flow turning LED light module as claimed in claim 1, characterized in that: include: Step a. Glue fixation: Use a glue dispenser to inject epoxy glue into the magnet slot of the lamp holder housing, with a glue amount of 0.05 ml; Use tweezers to press the magnet into the slot in NSNS polarity arrangement, with an interference of 0.05 mm. Curing conditions: 80°C oven for 30 minutes; Step b. Polarity verification: use a Gauss meter to detect whether the polarities of adjacent magnets are opposite; Adsorption force test: vertical pulling force ≥ 1.2kgf is required; Step c. Soldering components, SMT patches: ESP32-C3, MPU6050, BH1750, reflow curve peak 245°C; manual soldering: USB-C interface; Step d. Function test: after power on, check whether the Bluetooth MAC address is written normally through AT commands; Step e. Thermal interface treatment: evenly apply thermal grease on the back of the LED aluminum substrate with a thickness of 0.5mm±0.1mm, use a scraper to eliminate bubbles, and visually check that the coverage is >95%; Step f. Mechanical fixation: align the LED aluminum substrate with the bottom shell positioning column with a tolerance of ±0.2mm; tighten with M2×4mm stainless steel screws; Step g. Contact welding: soldering Pogo Pin on FR4 carrier board and attaching PET insulating film; Step h. Close the cover and assemble, insert the silicone sealing ring into the groove of the bottom shell; when fastening the PC cover, first align the USB interface side, then press the four sides tightly and lock with screws.

Images