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Heliodon: Precision Sunlight Simulation Tool for Architects

Architectural Sunlight Experiment Instrument

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Heliodon: Precision Sunlight Simulation Tool for Architects

The study of sunlight is extremely important in architectural design and teaching. The height angle and azimuth angle of buildings relative to the sun will have completely different lighting and energy-saving effects. The JTG-S6 intelligent building sunlight tester is a professional tester developed based on the above requirements. This testing instrument can be used to draw bar shadow maps and place a scaled model of a building on the instrument measurement platform. Through the model, the shadow changes of a building at a certain time and place, the indoor sunshine time, sunshine area, and the shading of the sun visor can be directly observed. It can also be used to observe the relationship and mutual influence between the orientation and spacing of buildings.

 

relationship between the orientation and spacing of the building and their mutual influence.
Compared with the traditional manual three-parameter heliometer, this test instrument has realized full automatic system. The test parameters are set by the supporting software, and the built-in motor automatically and accurately positions. The single-point test can be realized by determining the solar altitude angle and azimuth angle through longitude and latitude and time, and the dynamic test of the continuous change of solar altitude angle and azimuth angle can also be simulated. JTG-S6 is equipped with an illuminance sensor, which can automatically collect illuminance distribution and analyze lighting characteristics through software. At the same time, it can also be combined with digital imaging technology to collect and analyze the video of the building model.

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    product description

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    Product Introduction
    Features
    Application
    Technical specifications

    Product introduction

    The study of sunlight is extremely important in architectural design and teaching. The height angle and azimuth angle of buildings relative to the sun will have completely different lighting and energy-saving effects. The JTG-S6 intelligent building sunlight tester is a professional tester developed based on the above requirements. This testing instrument can be used to draw bar shadow maps and place a scaled model of a building on the instrument measurement platform. Through the model, the shadow changes of a building at a certain time and place, the indoor sunshine time, sunshine area, and the shading of the sun visor can be directly observed. It can also be used to observe the relationship and mutual influence between the orientation and spacing of buildings.
    This experimental instrument achieves fully automatic control compared to the traditional manual three parameter sunshine meter. The test parameters are set by the supporting software, and the built-in motor automatically locates accurately. Single point testing can be achieved by determining the solar altitude angle and azimuth angle through latitude, longitude, and time. It can also simulate dynamic testing of continuous changes in solar altitude angle and azimuth angle. JTG-S6 is equipped with an illuminance sensor that can automatically collect illuminance distribution and analyze lighting characteristics through software. At the same time, digital imaging technology can also be combined for video capture and analysis of building models.

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    Features

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    Built in motor, realizing automatic simulation of altitude angle and azimuth angle instead of manual adjustment
    Can place building models and observe the shadow and lighting effects of the models

    Automatically simulate the solar altitude and azimuth angle of the location where the building model is located (relative to the test building model)
    Can achieve experiments on bar shadow drawing and observation of building shadows
    High precision, multi-stage reduction motor achieves high-resolution simulation of solar motion trajectory
    The operating platform is equipped with adjustable card holes for easy fixation of experimental models and cameras
    High brightness LED parallel light source with large aperture lens fully covers the effective area of the experimental model, with smaller deflection angle

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    Fully automatic control is achieved through computer system control software, with custom geographic location, date, and time

    Fully automatic control is achieved through computer system control software, with custom geographic location, date, and time, and automatic adjustment of corresponding solar azimuth, elevation, or continuous motion trajectory simulation.

    Drawing stick shadow diagram
    Sunshine Shadow

    By setting the geographical location to be simulated and the date/time to be simulated through the
    control software, the heliometer will automatically adjust to the solar altitude and azimuth at the
    corresponding moment, and form a stick shadow through parallel light sources. Compared with the
    manual three-parameter heliometer, this device has more flexible time settings and can select the
    geographical location. The addition of the electric device greatly improves the experimental efficiency.

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    Building shadow observation
    Sunshine Shadow

    By using a point based brightness meter and a cylindrical brightness meter, the brightness of different areas of the sky and individual LED light sources can be adjusted to ensure that the sky model fully meets the CIE standard. Each LED light source can be individually adjusted for brightness through software, and up to 15 sky models have been pre-set for users to directly choose from.

    Record the entire process of the sun's shadow changes through images Record changes in illumination inside building models
    Record video materials
    By installing a video camera Dynamic changes of the sun's shadow，The process is recorded, which will become，The most important design for the building，One of the statistical data can be used for the same，The buildings are different at different times.The change of the sun's shadow at the same geographical location Line comparison.

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    Multi-channel illuminance meter
    Real time monitoring of changes in internal illumination within the model

    Can be installed in buildings Illumination detection inside the model Head real-time record illumination value, measured by the illuminance Indicators for drawing daylighting curves or analyze lighting design
    feasibility.

    Technical Parameters

    Name

    System Parameters

    Simulation range

    0.1°C

    Package form

    Altitude angle 0-90°; simulation accuracy: ±0.05°; azimuth angle 0-360°; simulation accuracy: ±0.05°

    Tester size

    Length x width x height <1200mmX1200mmX1600mm

    Operating table size

    Diameter 1000mm

    Instrument power supply

    AC 220V

    System power

    ＜500W (including parallel light source)

    Site Requirements

    Space required for the system: length x width x height > 3.6 x 1.2 x 2.8 m (height recommended 3.2 m)

    Parallel light source

    Light source parallelism: <3° (2m distance, maximum deviation of the edge of the test area with a diameter of 800mm)

    Light source lens

    Diameter＞500mm

    Architectural Models

    Ratio 1:20~1:10

    Overall weight

    <150kg (including parallel light source bracket)

    Measurement and control system

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    8 channels, color touch screen, directly connected to the on-site measurement and control software, can also be used independently, illumination accuracy is better than 4% reading
    illumination measurement range 0--100000Lux

    Automatic Control

    Automatically control the equipment, accurately set the longitude and latitude, 0.01° resolution, and automatically select the city, even the county-level administrative area

    Data Management

    Can be used for data download, analysis, calculation

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