Full-waveband dynamic sunlight player with three-stage coaxial soft light structure

Abstract

The invention discloses a full-wave-band dynamic sunlight player with a three-stage coaxial soft light structure, and relates to the technical field of healthy lighting and high-precision simulation light sources. The core three-stage coaxial soft light structure is composed of a high-atomization concave soft light cavity, a convex high-reflection soft light structure and a full-coating high-transmittance soft light shell which are coaxial, and glare-free and high-uniformity full-wave-band light emitting is achieved. The equipment is provided with a full-wave band narrow-band combined lamp group covering weak ultraviolet rays to near infrared rays, so that a continuous sunlight spectrum is formed; single-band single-line independent driving is adopted, a pure hardware simulation gradual change control unit is matched, and non-stroboscopic smooth gradual change and accurate regulation and control are achieved. The equipment is provided with a local time service module and a storage medium, and a networking module can be selected to be matched with a factory spectrum calibration method to guarantee output consistency. The system can truly restore the natural sunlight spectrum, adapts to the biological rhythm, is suitable for medical treatment, laboratories, space stations and other scenes, and has the advantages of being high in reliability, continuous in spectrum, strong in soft light effect, high in biological friendliness and the like.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of lighting technology, in particular to a daylight simulation device that simulates ground-received full-band natural daylight spectrum, multi-stage coaxial soft light homogenization, pure hardware smooth transition, factory spectrum calibration, local time service and storage function, and optional networking, which can be used to build a light environment that meets biological rhythm and visual health, and is suitable for high-precision and extreme environment applications such as high-end health lighting, medical treatment, laboratory, museum, polar scientific research station, space station, etc. BACKGROUND

[0002] With the rapid development of health lighting, precision medicine and special scientific research fields, the requirements for daylight simulation light sources are constantly improving. The existing daylight simulation lamps generally have the following defects: The spectrum is discontinuous, the visible light band is missing, and the full-band composition of the ground natural daylight cannot be completely restored, lacking physiological effects and ecological adaptability; The soft light structure is single, with poor uniformity and obvious glare, which is easy to produce color dispersion and local bright spots; The on-off lamp relies on software or digital chip control, which has the risk of current impact, frequency flicker and system crash; There is no unified factory spectrum calibration, and the output consistency of different devices is poor, making it difficult to meet the needs of high-precision scenes; The time service and storage function design is imperfect, and it cannot independently realize precise time positioning, local storage and calling of driving curve, and is limited in use in extreme environments; The function expansion is poor, the networking function and the local core function have low fusion degree, and it cannot meet the needs of independent operation and remote control; The above problems make it difficult for traditional daylight simulation equipment to adapt to the harsh needs of life and health, scientific research and detection, space exploration, etc., and it is also difficult to achieve stable, continuous and comfortable light output with physiological effects and ecological adaptability. SUMMARY

[0003] 1. Technical purpose The present application aims to overcome the shortcomings of the prior art and provide a high-precision daylight simulation device with stable structure, full-band continuity, high-uniform soft light, pure hardware smooth transition, factory unified spectrum calibration, local time service and storage function, and optional networking, which can truly restore the complete daylight spectrum that can be received on the ground, create a physiological and ecological light system that meets biological rhythm and visual health, and meet the needs of high-end health lighting, medical treatment, laboratory and extreme environment use.

[0004] 2. Technical scheme This invention discloses a full-band dynamic sunlight player with a three-level coaxial soft light structure, characterized in that it includes: a three-level coaxial soft light structure, a full-band narrowband combined lamp group, an independent driving unit, a hardware gradient control unit, a local time synchronization module, a storage medium, and an optional networking module. (1) Three-level coaxial soft light structure

[0005] The first stage is an upward-opening, highly atomized concave soft light cavity used for primary diffusion and uniform light distribution; The second stage is a convex, high-reflectivity soft light structure with an opening facing downwards, located above the first-stage cavity, for secondary reflection and global light amplification; The third level is a fully enclosed high-transmittance soft light shell, which completely encloses the internal structure and achieves the final uniform output; The three-level soft light structure centers are located on the same axis, forming a coaxial closed-loop full-band soft light path, providing an optical basis for physiological ecological lighting. (2) Full-band narrowband combined light group

[0006] The light assembly consists of multiple sets of different narrow-band light-emitting elements, covering the entire spectrum from weak ultraviolet to near-infrared that can be received on the ground. Each group of light-emitting elements is spliced ​​together with an extremely narrow edge overlap to form a continuous and smooth spectrum; The light assembly is centered on the second-level convex high-reflection soft light structure and distributed in a ring-shaped distribution. Each group of light-emitting elements is equipped with a light-gathering and guiding structure, which directs the light to the inner wall of the first-stage soft light cavity, ensuring the spectral integrity and comfort of physiological ecological lighting. (3) Independent drive unit

[0007] Each narrowband corresponds to a unique independent drive line; All light-emitting elements in the same wavelength band and distributed in different ring lamp groups are connected in parallel to the same drive circuit; Uniform power supply, uniform current and voltage control, and uniform brightness output within the same frequency band; The driving curve is generated based on measured continuous spectral data of natural solar radiation on the ground and stored in the storage medium; By independently adjusting the current and voltage of each band of the circuit, full-spectrum dynamic and precise control is achieved, ensuring the stability of physiological and ecological light rhythms. (4) Hardware Gradient Control Unit

[0008] A smooth, gradual transition between turning the light on and off is achieved using a pure hardware simulation circuit. The control voltage and current change linearly and uniformly, without impact, flicker, or software dependence; Ensure that all wavelengths and all light groups change synchronously and gradually, with a natural and comfortable transition in light intensity, further enhancing the eye protection and biofriendliness of physiological ecological lighting. (5) Local time synchronization module

[0009] It enables time positioning and precise time synchronization, matching the current time to the time node corresponding to the driving curve in the storage medium; Based on the matching results, the independent drive unit is controlled to retrieve the corresponding curve segment, thereby realizing the rhythmic simulation of the solar spectrum and ensuring the time matching accuracy of physiological ecological light. (6) Storage medium

[0010] Used to store core data such as drive curves, factory calibration parameters, and operating configuration information; It supports the storage and quick retrieval of multiple sets of driving curves, and can switch lighting modes according to the usage scenario to flexibly adapt to different physiological and ecological lighting needs. It has data protection against power loss, ensuring that core data is not lost after power failure and enabling independent and stable operation. (7) Optional network module

[0011] It can be used with a local time synchronization module to achieve time calibration and synchronization, thereby improving time positioning accuracy; It can be used with storage media to enable remote downloading, updating and replacing of drive curves, expanding the diversity of physiological ecological lighting patterns; It supports remote monitoring of device operating status, improving the ease of device management in distributed scenarios.

[0012] 3. Factory Spectrum Verification and Calibration Method Using the target spectrum corresponding to the driving curve as the comparison basis, a unified calibration is performed during the device's factory shipment stage: Actual output spectrum of the acquisition device; Compare the target spectrum with the driving curve; Adjust and solidify the driving parameters for each band based on the comparison results, and store the calibration parameters to the storage medium; This ensures that the actual output spectrum matches the target spectrum, guaranteeing consistent and traceable physiological and ecological lighting quality.

[0013] 4. Beneficial effects The three-level coaxial soft light structure achieves glare-free, ultra-high uniformity full-band soft light output, without dispersion or light splitting, providing excellent optical conditions for physiological and ecological lighting. The design features multiple narrow bands with extremely narrow edges that accurately reproduce the complete solar spectrum of the ground, including weak ultraviolet, visible light, and near-infrared, meeting the full-band requirements of physiological and ecological lighting. The lamps are evenly distributed in a ring, with uniform incident angles and more thorough spectral mixing, thus improving the output quality of physiological and ecological lighting. The same drive circuit is used in the same frequency band, which is precise in control, simple in structure, highly consistent and has an extremely low failure rate. The system achieves bidirectional gradual switching between on and off using pure hardware, boasting extremely high reliability, no risk of system crashes, and eye and light protection, while enhancing the bio-friendly nature of physiological ecological lighting. During the factory delivery stage, the target spectrum corresponding to the driving curve is uniformly checked and calibrated, and the calibration parameters are stored locally to ensure that the output accuracy of each device is consistent, quantifiable, and traceable. It integrates local time synchronization and storage functions, enabling accurate time synchronization, local retrieval of drive curves and rhythmic simulation without the need for external devices. It is adaptable to extreme environments without a network, ensuring the continuity and stability of physiological ecological lighting. It can be equipped with a network module to meet the needs of local independent operation and remote control. It is flexible in use, adaptable to multiple scenarios, and can provide stable and reliable physiological ecological light for a long time. Attached Figure Description

[0014] Figure 1 is a cross-sectional schematic diagram of the three-level coaxial soft light structure of the present invention; (In the figure: 1 - high-atomization concave soft light cavity, 2 - convex high-reflection soft light structure, 3 - fully enclosed high-transmittance soft light shell, the three-level structure is coaxially arranged at the center.) Detailed Implementation

[0015] The present invention will be further described in detail below with reference to specific embodiments.

[0016] Example 1 A full-band dynamic daylight player with a three-level coaxial soft light structure includes a three-level coaxial soft light structure, a full-band narrowband combined lamp group, an independent driving unit, a hardware gradient control unit, a local time synchronization module, and a storage medium. In the three-level coaxial soft light structure, the high-atomization concave soft light cavity (1) is set with its opening facing upward, the convex high-reflection soft light structure (2) is set with its opening facing downward above the cavity (1), and the fully enclosed high-transmittance soft light shell (3) covers the above two, and the three are coaxially arranged to form a closed-loop soft light path; the full-band narrowband combined lamp group is evenly distributed in a ring with the convex high-reflection soft light structure (2) as the center, and the light beam guiding structure at the front end of each lamp group directs the light to the inner wall of the concave soft light cavity (1). The storage medium pre-stores the driving curve and factory calibration parameters generated based on the measured ground solar spectrum; after the local time synchronization module achieves accurate time synchronization, it matches the current time to the time node corresponding to the driving curve in the storage medium; according to the matching result, the independent driving unit retrieves the corresponding curve segment from the storage medium, adjusts the current and voltage of each narrow band lamp group according to the single-band single-line driving mode, and controls the lamp group to emit light of the corresponding spectrum; after the light is initially diffused by the concave soft light cavity (1) and secondarily reflected by the convex high-reflection soft light structure (2), it is homogenized and output by the fully enclosed high-transmittance soft light shell (3) to form continuous full-band light; the hardware gradient control unit realizes the linear gradient of voltage and current during the lamp group's start / stop process through a pure hardware simulation circuit, ensuring a natural transition of light intensity. The device in this embodiment does not require external equipment and can independently realize full-band spectrum simulation and rhythmic light output to meet the needs of physiological ecological lighting.

[0017] Example 2 Based on Example 1, an optional network module is added. This network module can communicate with the local time synchronization module to achieve time calibration and synchronization, improving time matching accuracy; it can also communicate with the storage medium to remotely download, update, and replace the driving curve, adapting to the physiological ecological lighting requirements of different scenarios; when there is no network, the device can still operate independently through the local time synchronization module and the storage medium without affecting the core lighting simulation function.

[0018] Example 3 The factory spectral verification and calibration method of the present invention comprises the following steps: acquiring the actual output spectrum of the device using a spectral acquisition device, comparing it with the target spectrum corresponding to the pre-stored driving curve in the storage medium; adjusting the driving parameters of each narrow band line in the independent driving unit according to the spectral deviation obtained from the comparison; fixing the adjusted parameters to the storage medium to complete the calibration of a single device; after calibration, the actual output spectrum of the device is consistent with the target spectrum, ensuring that the physiological ecological light quality output by multiple devices is uniform and traceable.

[0019] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the foregoing technical solutions, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the present invention.

Claims

1. A full-band dynamic sunlight player with a three-level coaxial soft light structure, characterized in that, The system includes a three-level coaxial soft light structure, a full-band narrow-band combined light group, an independent drive unit, a hardware gradient control unit, a local time synchronization module, and a storage medium. The three-level coaxial soft light structure comprises an upward-opening high-atomization concave soft light cavity, a downward-opening convex high-reflection soft light structure, and a fully enclosed high-transmittance soft light shell, all three coaxially arranged. The full-band narrow-band combined light group consists of multiple sets of narrow-band light-emitting elements covering weak ultraviolet to near-infrared light, with extremely narrow edges overlapping between each set of bands to form a continuous spectrum. The light group is distributed in a ring-shaped pattern around the second-level convex high-reflection soft light structure, and each set of light-emitting elements has a light-gathering and guiding structure to direct the light onto the inner wall of the first-level soft light cavity. The independent drive unit adopts a single-band single-line drive mode: each narrow band corresponds to a unique independent drive line, and all light-emitting elements of the same band distributed in different light groups are connected in parallel to the corresponding drive line of that band. The independent drive unit generates a drive curve based on measured ground solar irradiance spectrum data and independently adjusts the current and voltage of each band line. The hardware gradient control unit realizes the uniform linear gradient of voltage and current during the process of turning the lights on and off through pure hardware simulation circuits; the local time synchronization module is used to realize time positioning and time synchronization, and match the current time to the corresponding time node of the driving curve. The storage medium is used to store drive curves, calibration parameters, and operating configuration information.

2. The apparatus according to claim 1, characterized in that, The soft light effect of the three-level soft light structure is achieved by one or more combinations of atomization treatment, frosting treatment, microstructure diffusion, optical coating diffusion, milky white substrate diffusion, high reflectivity mirror reflection, diffuse reflection coating, and prism light uniform structure.

3. The apparatus according to claim 1, characterized in that, The light-emitting element includes one or more combinations of LED light-emitting diodes, LD laser diodes, COB light sources, MiniLEDs, MicroLEDs, narrow-spectrum light sources, ultraviolet light-emitting elements, visible light light-emitting elements, and infrared light-emitting elements.

4. The apparatus according to claim 1, characterized in that, The light beam guiding structure is a reflector, lens, light guide tube, or optical collimation structure, used to constrain and orient the light beam to be projected onto the inner wall of the first-stage soft light cavity.

5. The apparatus according to claim 1, characterized in that, The hardware gradient control unit contains no software or MCU, enabling soft power-on and soft power-off in pure hardware.

6. The apparatus according to any one of claims 1-5, characterized in that, It also includes an optional networking module, which is used to realize time calibration, time synchronization, and remote download, update and replacement of driving curves.

7. A factory spectral verification and calibration method applicable to the daylight player according to any one of claims 1-6, characterized in that: Using the target spectrum corresponding to the driving curve as a comparison basis, the actual output spectrum of the acquisition device is compared with the target spectrum. Based on the comparison results, the driving parameters of each band are adjusted and solidified, and the calibration parameters are stored in the storage medium to make the output spectrum consistent with the target spectrum, thus ensuring stable and accurate physiological ecological light output.

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