Multi-mode control up-down light-emitting type large street lamp without independent control board and control method thereof

Abstract

The invention discloses a multi-mode control up-down light-emitting type large street lamp without an independent control board and a control method thereof, and relates to the field of lighting equipment, the multi-mode control up-down light-emitting type large street lamp comprises a lamp body shell, an upper light-emitting module, a lower light-emitting module, a three-mode integrated control unit and at least one path of expansion lighting module; the lamp body shell is formed by aluminum alloy blank drawing, and an upper light-emitting layer, a control layer and a lower light-emitting layer are vertically staggered and layered in the lamp body shell. Two parallel strip-shaped grooves used for fixing the upper light-emitting module are formed in the top of the lamp body shell, and the two sides of the lamp body shell are each provided with a longitudinal clamping groove used for fixing the lower light-emitting module. The upper light-emitting module comprises a first 2835 patch lamp bead set, a first strip-shaped aluminum substrate and a frosted PC cover. According to the up-down light-emitting type large street lamp, through all 2835 lamp bead unification, hardware integration and interface standardization, a plug-and-play ultra-thin illumination scheme with high cost performance is constructed, and intelligent cooperative control over basic illumination and extended illumination can be achieved.

Description

Technical Field

[0001] This invention belongs to the field of lighting equipment, specifically a top-and-bottom emitting street light with multi-mode control without an independent control board and its control method. Background Technology

[0002] As an important category of lighting equipment, streetlights are widely used in indoor settings with high requirements for light quality, such as family living rooms, office workstations, and large studies, because they can provide large-area, uniform, and comfortable illumination. An ideal indoor streetlight must simultaneously meet multiple requirements, including high color rendering index (Ra≥90), low glare (UGR<19), ultra-thin and aesthetically pleasing structure, and seamless integration with smart home ecosystems.

[0003] However, existing street light products targeting the indoor market face the following serious challenges in terms of technical architecture and cost control, making it difficult to achieve a balance between performance and flexibility at a reasonable cost:

[0004] 1. High cost and uneven luminous efficacy of light source solutions. To meet the high brightness requirements of the main lighting area, traditional solutions for the lower light-emitting modules generally use high-power 5050 (5.0mm×5.0mm) LED chips. The cost per chip (approximately 0.15 yuan) and the cost of the driver circuit are far higher than those of the mainstream medium-power 2835 (2.8mm×3.5mm) LED chips. For a 60W lower light-emitting module, the cost of the 5050 LED chips alone can exceed 100 yuan, which is an excessively high proportion of the total lamp cost. At the same time, because the upper and lower light-emitting modules use different specifications of light sources, two independent driver circuits are required, which not only increases the hardware cost by about 20% but also complicates supply chain management.

[0005] 2. Redundant control architecture hinders ultra-thin and integrated design. Existing products mostly adopt a distributed architecture of "independent control board + independent driver board". This multi-board design not only occupies valuable internal space, making it difficult to compress the lamp body thickness to within 30mm, which is inconsistent with the minimalist aesthetics pursued in modern interior decoration, but also increases the assembly process, extending assembly time by about 30% and driving up production costs.

[0006] 3. There is a contradiction between anti-glare design and mass production cost. In order to reduce direct glare and improve visual comfort, some solutions change the downward light emission to the side light emission type. However, this usually relies on customized curved light guide plates and PCBs, which have a processing cost that is about 25% higher than that of standard strip components. Moreover, the complex structure brings difficulties to mass production and on-site maintenance.

[0007] 4. Limited expandability, unable to adapt to flexible scenario requirements. Indoor scenarios are complex and varied, and users often need to add auxiliary lighting, such as side lighting for bookshelves, wall washer lighting, or desktop accent lighting. Existing solutions mostly have fixed upper and lower outputs. If a third lighting channel is to be added, an independent driver and control unit must be added externally, with a single channel expansion cost exceeding 50 yuan. Furthermore, it is difficult for the new module to perfectly coordinate with the original system in terms of dimming consistency and communication protocols, thus disrupting the uniformity of the user experience.

[0008] Therefore, there is an urgent need in this field for a street light and its control scheme that can significantly reduce manufacturing costs while ensuring high light quality, ultra-thin appearance and reliability, and give the product flexible, low-cost, plug-and-play expansion capabilities to truly meet the diverse and personalized needs of modern indoor lighting. Summary of the Invention

[0009] The purpose of this invention is to provide a top-and-bottom emitting street light with multi-mode control without an independent control board and its control method, so as to solve the problems of high cost, complex assembly and insufficient scene adaptability caused by inconsistent light sources, redundant control architecture and poor scalability in the prior art.

[0010] To achieve the above objectives, the present invention provides the following technical solution: a multi-mode street light with up-and-down illumination without an independent control board, comprising a lamp housing, an upper illumination module, a lower illumination module, a three-mode integrated control unit, and at least one extended lighting module, wherein:

[0011] The lamp body shell is made of aluminum alloy drawn from a blank, with dimensions of 600mm×400mm×30mm and a wall thickness of 1mm. Its interior is vertically staggered and layered to form an upper light-emitting layer (3.0mm), a control layer (17.5mm), and a lower light-emitting layer (8.5mm). The top of the lamp body shell has two parallel strip grooves (420mm×20mm×3mm, spaced 280mm) for fixing the upper light-emitting module, and each side has a longitudinal slot (600mm×12mm×1.2mm) for fixing the lower light-emitting module.

[0012] The upper light-emitting module includes a first 2835 SMD LED chip group, a first strip aluminum substrate and a frosted PC cover. The number of the first strip aluminum substrates corresponds to the number of parallel strip grooves on the top of the lamp body shell. The first strip aluminum substrates are embedded in the parallel strip grooves and fixed by buckles. A 0.8mm frosted PC cover for achieving ambient light diffuse reflection is fastened and installed on the top of the first strip aluminum substrate. The first 2835 SMD LED chip group is disposed on the first strip aluminum substrate.

[0013] The lower light-emitting module includes a second 2835 SMD LED chip group, a second strip aluminum substrate, a nano-imprinted light guide plate and a diamond plate. The second strip aluminum substrate is embedded in the longitudinal slots on both sides of the lamp body shell and is attached to the inner side wall of the lamp frame (screwless installation).

[0014] The tri-mode integrated control unit is an ultra-thin, scalable dual-channel or higher drive power supply with an integrated MCU. It is fixed within the control layer and electrically connected to the upper and lower light-emitting modules. It features a built-in domestic GD32F103 MCU (with at least 4 independent PWM output channels) and a scalable power supply architecture with a SY7201 main PMIC and a SY7202 auxiliary PMIC, supporting at least two independent PWM drive outputs and at least one reserved expansion output interface. The unit uses a multi-timer MCU as the main controller and integrates voice recognition, infrared remote control, and Wi-Fi communication modules, driving at least three independent PWM channels. The TIM2_CH1 pin of the MCU drives the lower light-emitting module, the TIM3_CH1 pin drives the upper light-emitting module, and the reserved TIM4_CH1 pin drives the extended lighting module through the snap-on electrical interface. The unit also integrates multi-channel voltage and current sampling circuits to achieve independent monitoring and protection of each light.

[0015] Preferably, a second 2835 SMD LED group is disposed on the second strip aluminum substrate, and a nano-imprinted light guide plate and a prism plate are disposed on the light-emitting path of the second 2835 SMD LED group and the second strip aluminum substrate.

[0016] Preferably, the lamp housing is also provided with an expansion module mounting layer, which is located on the side of the lamp housing and has a standardized snap-on electrical interface (including power supply, PWM control, and sampling pins).

[0017] Preferably, the extended lighting module includes a third 2835 SMD LED group and a shunt resistor (0.1Ω). The extended lighting module interfaces with the extended module mounting layer and the tri-mode integrated control unit through a standardized snap-fit ​​interface, and is compatible with DC18V / 0.56A power supply for auxiliary side lighting and other scene extensions.

[0018] Preferably, the upper light-emitting module, the lower light-emitting module, and the extended lighting module include a first 2835 SMD LED group, a second 2835 SMD LED group, and a third 2835 SMD LED group with uniform optical parameters and a gradient distribution in number to adapt to the optical requirements and power distribution of different light-emitting layers; the first 2835 SMD LED group of the upper light-emitting module contains 80 LEDs, the second 2835 SMD LED group of the lower light-emitting module contains 120 LEDs, and the third 2835 SMD LED group of the extended lighting module contains 300 LEDs.

[0019] The method for implementing the above-mentioned multi-mode control of up-and-down emitting streetlights includes the following steps:

[0020] S1: System initialization and extended lighting module identification: After the MCU is powered on, it initializes each PWM output channel and communication module, and automatically identifies whether the extended lighting module is connected by detecting the level status of specific GPIO pins, and configures the corresponding drive parameters accordingly.

[0021] S2: Multi-mode command reception and priority processing: The MCU listens to input commands from the APP, remote control, and voice in real time and processes them according to preset fixed priorities; all commands support independent or collaborative control of the upper and lower light-emitting modules and extended lighting modules.

[0022] S3: Multi-channel PWM collaborative output and power management: The MCU outputs the corresponding PWM signal according to the instruction and synchronously controls the enable of the power management chip; the system dynamically fine-tunes the output voltage based on the load condition and performs equalization calibration on the current of each channel; at the same time, a load prediction algorithm is introduced to automatically adjust the brightness to save energy during specific periods.

[0023] S4: Intelligent sensing linkage: The system integrates illuminance and human body sensing sensors, which can automatically adjust the brightness of each channel according to the intensity of ambient light and whether there are people.

[0024] S5: Real-time fault diagnosis and branch protection: The voltage and current of each channel are monitored in real time through a multi-channel sampling circuit. Once any channel experiences an over-limit fault, the MCU will cut off the output of that channel within 10 microseconds and trigger a visual alarm that can be distinguished by the flashing frequency, accurately indicating the fault location.

[0025] Compared with existing technologies, this invention has the following advantages: By unifying all 2835 LED chips, integrating hardware, and standardizing interfaces, this invention constructs a cost-effective, plug-and-play ultra-thin lighting solution that enables intelligent collaborative control of basic and extended lighting, meeting the comprehensive needs for cost, light quality, and functional flexibility in various scenarios such as homes and offices. Specific technical effects include the following:

[0026] 1. This invention fully replaces the traditional 5050 LEDs with 2835 surface-mount LEDs, eliminating the driving differences between different types of LEDs and unifying the light source models for the top and bottom light-emitting and expansion channels. By designing top and bottom light-emitting strip PCB interfaces and reserving a third expansion interface, it not only achieves standardization and universality of the light source but also significantly reduces material costs and inventory management complexity. Simultaneously, this structural design perfectly adapts to a 30mm ultra-thin lamp body, meeting the demands of modern lighting products for a slim and lightweight appearance.

[0027] 2. This invention innovatively integrates tri-mode control, at least two independent PWM drives, intelligent sensing, and extended channel drives into an ultra-thin, scalable dual-channel power supply (main PMIC + auxiliary PMIC architecture), completely eliminating the need for a traditional independent control board. By combining a domestically produced multi-timer MCU with the integrated PMIC design, not only is the hardware cost of the control unit significantly reduced, but the module's footprint is also further compressed.

[0028] 3. The nano-imprinted side-emitting light guide plate replaces the curved light guide plate, and the snap-fit ​​connection replaces the welding process, greatly simplifying the production process. The expansion module adopts a standardized snap-fit ​​interface, realizing convenient plug-and-play installation, significantly improving production efficiency and user experience.

[0029] 4. This invention establishes a comprehensive power management and protection mechanism. Through multi-channel sampling and protection circuits, it achieves independent monitoring and protection for each light path. During sudden changes in the 2835 LED chips and extended loads, the system maintains a voltage ripple of <50mV and an overcurrent / overvoltage protection response time of <10μs, ensuring system stability and safety. Through dynamic power consumption management, the system can automatically adjust power according to the environment and usage conditions, meeting cross-scenario and expansion requirements. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0031] Figure 1 This is a schematic diagram of the module structure of Embodiment 1 of the present invention;

[0032] Figure 2 This is a schematic diagram of the upper light-emitting module in Embodiment 1 of the present invention;

[0033] Figure 3 This is a schematic diagram of the lower light-emitting module in Embodiment 1 of the present invention;

[0034] Figure 4 This is a schematic diagram of the module structure of Embodiment 2 of the present invention;

[0035] Figure 5 This is a flowchart of a method according to an embodiment of the present invention.

[0036] In the picture:

[0037] 1. Lamp housing; 101. Upper light-emitting layer; 102. Control layer; 103. Lower light-emitting layer; 2. Upper light-emitting module; 201. First 2835 SMD LED bead group; 202. First strip aluminum substrate; 203. Frosted PC cover; 3. Lower light-emitting module; 301. Second 2835 SMD LED bead group; 302. Second strip aluminum substrate; 303. Nano-imprinted light guide plate; 304. Diamond plate; 4. Extended lighting module; 5. Three-mode integrated control unit. Detailed Implementation

[0038] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0039] As attached Figure 1 To be continued Figure 3 As shown:

[0040] Example 1: This invention provides a multi-mode street light with up-and-down illumination without an independent control board, comprising a lamp housing 1, an upper light-emitting module 2, a lower light-emitting module 3, a three-mode integrated control unit 5, and at least one extended lighting module 4, wherein:

[0041] The lamp body shell 1 is made of aluminum alloy by drawing, with dimensions of 600mm×400mm×30mm and a wall thickness of 1mm. Its interior is vertically staggered and layered to form an upper light-emitting layer 101 (3.0mm), a control layer 102 (17.5mm), and a lower light-emitting layer 103 (8.5mm). The top of the lamp body shell 1 is provided with two parallel strip grooves (420mm×20mm×3mm, spaced 280mm) for fixing the upper light-emitting module 2, and each side of the shell is provided with a longitudinal slot (600mm×12mm×1.2mm) for fixing the lower light-emitting module 3.

[0042] The upper light-emitting module 2 includes a first 2835 SMD LED bead group 201, a first strip aluminum substrate 202, and a frosted PC cover 203. The number of first strip aluminum substrates 202 corresponds to the number of parallel strip grooves on the top of the lamp body shell 1. The first strip aluminum substrates 202 are embedded in the parallel strip grooves and fixed by snaps. A 0.8mm frosted PC cover 203 for achieving ambient light diffuse reflection is snapped on the top of the first strip aluminum substrate 202. The first 2835 SMD LED bead group 201 is disposed on the first strip aluminum substrate 202.

[0043] The lower light-emitting module 3 includes a second 2835 SMD LED bead group 301, a second strip aluminum substrate 302, a nano-imprinted light guide plate 303 and a diamond plate 304, wherein the second strip aluminum substrate 302 is embedded in the longitudinal slots on both sides of the lamp body shell 1 and is attached to the inner side wall of the lamp frame (screwless installation).

[0044] The tri-mode integrated control unit 5 is an ultra-thin, scalable dual-channel or higher drive power supply with an integrated MCU. It is fixed within the control layer 102 and electrically connected to the upper light-emitting module 2 and the lower light-emitting module 3. It has a built-in domestic GD32F103 MCU (with at least 4 independent PWM output channels) and an scalable power supply architecture of SY7201 main PMIC + SY7202 auxiliary PMIC, supporting at least two independent PWM drive outputs and at least one reserved expansion output interface. The unit uses a multi-timer MCU as the main controller and integrates voice recognition, infrared remote control and Wi-Fi communication modules, and drives at least three independent PWM channels. The TIM2_CH1 pin of the MCU drives the lower light-emitting module 3 and the TIM3_CH1 pin drives the upper light-emitting module 2. The unit also integrates multi-channel voltage and current sampling circuits to realize independent monitoring and protection of each light.

[0045] 1. In one embodiment of the present invention, a second 2835 SMD LED bead group 301 is disposed on a second strip aluminum substrate 302, and a nano-imprinted light guide plate 303 and a prism plate 304 are disposed on the light emission path of the second 2835 SMD LED bead group 301 and the second strip aluminum substrate 302.

[0046] 3. In one embodiment of the present invention, the first 2835 SMD LED group 201 of the upper light-emitting module 2 contains 80 LEDs, and the second 2835 SMD LED group 301 of the lower light-emitting module 3 contains 120 LEDs.

[0047] Working principle: In Example 1, the upper light-emitting module 2, the lower light-emitting module 3, and the extended lighting module 4 are uniformly and coordinatedly controlled by the three-mode integrated control unit 5. Based on the PWM drive of the multi-timer MCU and the multi-channel sampling protection mechanism, ambient light adaptation, multi-mode interaction, and intelligent expansion functions are achieved. The specific principle is as follows:

[0048] The upper light-emitting module 2 uses a frosted PC cover 203 to achieve diffuse reflection of ambient light (45° angle), providing basic ambient lighting for the user from above. The lower light-emitting module 3, together with the nano-imprinted light guide plate 303 (45° oblique texture) and the rhombus plate 304, forms a 135° side-emitting light source, providing the main brightness as the primary lighting source. The two modules are independently driven by the TIM3_CH1 pin (1.2kHz PWM) and TIM2_CH1 pin (1kHz PWM) of the tri-mode integrated control unit 5, respectively. The brightness is precisely controlled by adjusting the duty cycle to meet the basic scene lighting requirements.

[0049] The three-mode integrated control unit integrates voice recognition (CI 1122 chip, supporting 12 core commands such as turning on the auxiliary light), infrared remote control (6 buttons including an extended dimming button, supporting combined commands such as simultaneous brightening of the main light and auxiliary light), and APP (Wi-Fi connection, supporting the Mi Home platform, enabling timed on / off and single / multi-channel collaborative dimming). All commands are executed with a fixed priority of APP > remote control > voice > automatic sensing, ensuring the uniqueness and accuracy of operation response (a green light flashes once after execution for confirmation). For example, when the user sets the main light to 50% + auxiliary light to 30% via the APP, the APP command has higher priority than the remote control's individual dimming command; if both the voice command "brighten the main light" and the APP command are triggered simultaneously, only the APP command takes effect.

[0050] If the extended lighting module 4 is connected, it interfaces with the snap-on electrical interface of the extended module mounting layer via a standardized snap-on interface, and is driven by the reserved TIM4_CH1 pin (1kHz PWM) of the tri-mode integrated control unit 5. The extended module shares a multi-channel sampling circuit with the main lighting channel (upper / lower illumination) to achieve independent monitoring of current / voltage (accuracy ±1.5% / ±10%), and fine-tunes the voltage to 18V (deviation ≤±0.05A) via the FB3 pin to ensure consistency with the main channel's dimming (e.g., 70% main light + 50% auxiliary light as instructed by the APP). In case of a fault in the extended module (e.g., overcurrent / overvoltage), the corresponding protection circuit triggers a red light that flashes 3 times / second as an alarm, facilitating rapid problem location.

[0051] As attached Figure 2 To be continued Figure 4 As shown:

[0052] Example 2: This invention provides a multi-mode, top-and-bottom emitting street light without an independent control board and its control method, including a lamp housing 1, an upper emitting module 2, a lower emitting module 3, a three-mode integrated control unit 5, and at least one extended lighting module 4, wherein:

[0053] The lamp housing 1 is made of aluminum alloy by drawing, with dimensions of 600mm×400mm×30mm and a wall thickness of 1mm. Its interior is vertically staggered and layered to form an upper light-emitting layer 101 (3.0mm), a control layer 102 (17.5mm), and a lower light-emitting layer 103 (8.5mm). An expansion module mounting layer is provided on it, which has a standardized snap-on electrical interface (including power supply, PWM control, and sampling pins). The top of the lamp housing 1 has two parallel strip grooves (420mm×20mm×3mm, spaced 280mm) for fixing the upper light-emitting module 2, and each side has a longitudinal slot (600mm×12mm×1.2mm) for fixing the lower light-emitting module 3.

[0054] The upper light-emitting module 2 includes a first 2835 SMD LED bead group 201, a first strip aluminum substrate 202, and a frosted PC cover 203. The number of first strip aluminum substrates 202 corresponds to the number of parallel strip grooves on the top of the lamp body shell 1. The first strip aluminum substrates 202 are embedded in the parallel strip grooves and fixed by snaps. A 0.8mm frosted PC cover 203 for achieving ambient light diffuse reflection is snapped on the top of the first strip aluminum substrate 202. The first 2835 SMD LED bead group 201 is disposed on the first strip aluminum substrate 202.

[0055] The lower light-emitting module 3 includes a second 2835 SMD LED bead group 301, a second strip aluminum substrate 302, a nano-imprinted light guide plate 303 and a diamond plate 304, wherein the second strip aluminum substrate 302 is embedded in the longitudinal slots on both sides of the lamp body shell 1 and is attached to the inner side wall of the lamp frame (screwless installation).

[0056] The extended lighting module 4 includes a third 2835 SMD LED group and a shunt resistor (0.1Ω). The extended lighting module 4 connects to the extended module mounting layer and the tri-mode integrated control unit 5 through a standardized snap-fit ​​interface. It is compatible with DC18V / 0.56A power supply and is used for auxiliary side lighting and other scene extensions.

[0057] The tri-mode integrated control unit 5 is an ultra-thin, scalable dual-channel or higher drive power supply with an integrated MCU. It is fixed within the control layer 102 and electrically connected to the upper light-emitting module 2, the lower light-emitting module 3, and the extended lighting module 4. It has a built-in domestic GD32F103 MCU (with at least 4 independent PWM output channels) and an scalable power supply architecture of SY7201 main PMIC + SY7202 auxiliary PMIC, supporting at least two independent PWM drive outputs and at least one reserved extended output interface. This unit uses a multi-timer MCU as the main controller and integrates voice recognition, infrared remote control, and Wi-Fi communication modules, driving at least three independent PWM channels. Among them, the TIM2_CH1 pin of the MCU drives the lower light-emitting module 3, the TIM3_CH1 pin drives the upper light-emitting module 2, and the reserved TIM4_CH1 pin drives the extended lighting module 4 through the snap-on electrical interface. This unit also integrates multi-channel voltage and current sampling circuits to realize independent monitoring and protection of each light.

[0058] 1. In one embodiment of the present invention, the upper light-emitting module 2, the lower light-emitting module 3, and the extended lighting module 4 include a first 2835 SMD LED group 201, a second 2835 SMD LED group 301, and a third 2835 SMD LED group with uniform optical parameters and their numbers are distributed in a gradient manner to adapt to the optical requirements and power allocation of different light-emitting layers; the first 2835 SMD LED group 201 of the upper light-emitting module 2 contains 80 LEDs, the second 2835 SMD LED group 301 of the lower light-emitting module 3 contains 120 LEDs, and the third 2835 SMD LED group of the extended lighting module 4 contains 300 LEDs.

[0059] Working Principle: The difference between Example 2 and Example 1 lies in that Example 2 demonstrates the plug-and-play functionality and multi-channel collaborative expansion control logic of the extended lighting module 4. While retaining the basic upper and lower light-emitting functions, it enhances the flexible adaptability to extended scenarios such as auxiliary side lighting through standardized interfaces and dynamic adaptation mechanisms. The extended lighting module 4 is equipped with an independent multi-channel sampling circuit to monitor its current (threshold ≤ 1A) and voltage (threshold ≤ 19V) in real time. If overcurrent (> 1A) or overvoltage (> 19V) is detected, the MCU of the tri-mode integrated control unit 5 shuts off the PWM output of the TIM4_CH1 pin within 10μs and cuts off the power supply to the extended module through the EN3 pin. Simultaneously, a red light is triggered to flash an alarm 3 times / second (distinguished from the alarm frequencies of 22 times / second for the upper light-emitting module and 31 times / second for the lower light-emitting module), facilitating rapid location of extended module faults and preventing impact on the main lighting function.

[0060] Building upon Example 1, Example 2 achieves the core objective of supporting at least two output extensions through standardized expansion interfaces, dynamic channel identification, multi-channel PWM collaborative driving, and independent protection mechanisms. The extended lighting module 4 can flexibly adapt to the needs of scenarios such as auxiliary sidelighting and ambient lighting, forming a multi-layered lighting system with the main lighting module, combining basic lighting with extended supplementary lighting. It maintains the advantages of low cost, high compatibility (plug and play), and high reliability, further expanding the application flexibility of streetlights in different scenarios (such as large walkways and multi-story courtyards).

[0061] As attached Figure 5 As shown:

[0062] The method for implementing multi-mode control of the up-and-down emitting streetlights in Embodiments 1 and 2 above includes the following steps:

[0063] S1: System initialization and identification of extended lighting module 4: After the MCU is powered on, it initializes each PWM output channel and communication module, and automatically identifies whether the extended lighting module 4 is connected by detecting the level status of specific GPIO pins, and configures the corresponding drive parameters accordingly.

[0064] S2: Multi-mode command reception and priority processing: The MCU listens to input commands from the APP, remote control, and voice in real time and processes them according to preset fixed priorities; all commands support independent or collaborative control of the upper and lower light-emitting modules and the extended lighting module 4.

[0065] S3: Multi-channel PWM collaborative output and power management: The MCU outputs the corresponding PWM signal according to the instruction and synchronously controls the enable of the power management chip; the system dynamically fine-tunes the output voltage based on the load condition and performs equalization calibration on the current of each channel; at the same time, a load prediction algorithm is introduced to automatically adjust the brightness to save energy during specific periods.

[0066] S4: Intelligent sensing linkage: The system integrates illuminance and human body sensing sensors, which can automatically adjust the brightness of each channel according to the intensity of ambient light and whether there are people.

[0067] S5: Real-time fault diagnosis and branch protection: The voltage and current of each channel are monitored in real time through a multi-channel sampling circuit. Once any channel experiences an over-limit fault, the MCU will cut off the output of that channel within 10 microseconds and trigger a visual alarm that can be distinguished by the flashing frequency, accurately indicating the fault location.

[0068] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A multi-mode street light with up-and-down illumination without an independent control board, comprising a lamp housing (1), an upper light-emitting module (2), a lower light-emitting module (3), a three-mode integrated control unit (5), and at least one extended lighting module (4), characterized in that: The lamp body shell (1) is formed by aluminum alloy drawing. Its interior is vertically staggered and layered to form an upper light-emitting layer (101), a control layer (102), and a lower light-emitting layer (103). The top of the lamp body shell (1) is provided with two parallel strip grooves for fixing the upper light-emitting module (2), and each side is provided with a longitudinal slot for fixing the lower light-emitting module (3). The upper light-emitting module (2) includes a first 2835 SMD LED bead group (201), a first strip aluminum substrate (202), and a frosted PC cover (203). The number of the first strip aluminum substrates (202) corresponds to the number of parallel strip grooves on the top of the lamp body shell (1). The first strip aluminum substrates (202) are embedded in the parallel strip grooves and fixed by buckles. A frosted PC cover (203) for achieving ambient light diffuse reflection is fastened and installed on the top of the first strip aluminum substrates (202). The first 2835 SMD LED bead group (201) is disposed on the first strip aluminum substrate (202). The lower light-emitting module (3) includes a second 2835 chip LED bead group (301), a second strip aluminum substrate (302), a nano-imprinted light guide plate (303) and a diamond plate (304), wherein the second strip aluminum substrate (302) is embedded in the longitudinal slots on both sides of the lamp body shell (1) and is attached to the inner side wall of the lamp frame; The three-mode integrated control unit (5) is an ultra-thin, expandable dual-channel or higher driving power supply with integrated MCU, fixed in the control layer (102) and electrically connected to the upper light-emitting module (2) and the lower light-emitting module (3).

2. The up-and-down emitting street light with multi-mode control without an independent control board according to claim 1, characterized in that: A second 2835 SMD LED bead group (301) is disposed on the second strip aluminum substrate (302), and a nano-imprinted light guide plate (303) and a prism plate (304) are disposed on the light emission path of the second 2835 SMD LED bead group (301) and the second strip aluminum substrate (302).

3. The up-and-down emitting street light with multi-mode control without an independent control board according to claim 1, characterized in that: The lamp housing (1) is also provided with an expansion module mounting layer, which is located on the side of the lamp housing (1) and has a standardized snap-on electrical interface.

4. The up-and-down emitting street light with multi-mode control without an independent control board according to claim 1, characterized in that: The extended lighting module (4) includes a third 2835 SMD LED group and a shunt resistor. The extended lighting module (4) is connected to the extended module mounting layer and the three-mode integrated control unit (5) through a standardized snap-fit ​​interface.

5. The up-and-down emitting street light with multi-mode control without an independent control board according to claim 1, characterized in that: The upper light-emitting module (2), the lower light-emitting module (3) and the extended lighting module (4) include a first 2835 SMD LED group (201), a second 2835 SMD LED group (301) and a third 2835 SMD LED group with uniform optical parameters and their numbers are distributed in a gradient.

6. A method for implementing multi-mode control of the up-and-down emitting street light according to any one of claims 1-5, comprising the following steps: S1: System initialization and identification of extended lighting module (4): After the three-mode integrated control unit (5) is powered on, it initializes each PWM output channel and communication module, and automatically identifies whether the extended lighting module (4) is connected by detecting the level status of a specific GPIO pin, and configures the corresponding drive parameters accordingly. S2: Multi-mode command reception and priority processing: The three-mode integrated control unit (5) listens to input commands from APP, remote control and voice in real time, and processes them according to the preset fixed priority; all commands support independent or collaborative control of the upper light-emitting module (2), the lower light-emitting module (3) and the extended lighting module (4); S3: Multi-channel PWM collaborative output and power management: The three-mode integrated control unit (5) outputs the corresponding PWM signal according to the instruction and synchronously controls the enable of the power management chip; the system dynamically fine-tunes the output voltage based on the load condition and performs equalization calibration on the current of each channel; at the same time, a load prediction algorithm is introduced to automatically adjust the brightness in a specific period of time to save energy; S4: Intelligent sensing linkage: The system integrates illuminance and human body sensing sensors, which can automatically adjust the brightness of each channel according to the intensity of ambient light and whether there are people. S5: Real-time fault diagnosis and branch protection: The voltage and current of each channel are monitored in real time through the multi-channel sampling circuit. If any channel has an over-limit fault, the three-mode integrated control unit (5) cuts off the output of that channel within 10 microseconds and triggers a visual alarm that can be distinguished by the flashing frequency.

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