A factory that has reduced the number of open-close cycles by up to 90%! Energy loss is also reduced!
The eco system for opening and closing sheet shutters, which applies W-Alert technology, automatically detects only authorized vehicles (such as forklifts, AGVs, and carts) and operators, controlling the sheet shutters accordingly. By reducing unnecessary openings and closings, it enhances air conditioning efficiency, reduces energy costs, improves the working environment, and contributes to the SDGs through the reduction of greenhouse gas emissions. ■Benefits 1. Cost Reduction Minimizes shutter openings and closings, improving air conditioning efficiency. Reduces energy costs and the risk of breakdowns, contributing to lower maintenance expenses. 2. Improvement of Working Environment Prevents unnecessary openings and closings, stabilizing indoor temperature. Leads to improved work efficiency and measures against heatstroke, while also reducing the burden on drivers getting in and out. 3. Social Contribution Helps to minimize energy loss in air conditioning and contributes to the reduction of greenhouse gas emissions. ■Technical Features Detection Method: Hybrid method using magnetic field (125kHz) + radio waves (315MHz) Detection Range: Rugby ball-shaped magnetic field area centered around the detector Target Vehicles: Industrial vehicles in general, including forklifts, AGVs, and heavy machinery *For more details, please refer to the PDF document or feel free to contact us.
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■Equipment Configuration 【Installed on the Sheet Shutter Control Panel Side】 - Proximity Sensor - Common B Contact Box - Small Speaker (Accessory of the Sensor) - LED Indicator Light (Optional) 【Installed on the Vehicle Side, such as Forklifts】 - Vehicle-to-Location Tag *Connection work with the sheet shutter control panel is required. ■Main Equipment Specifications 【Sensor Main Unit】 - Maximum Detection Distance: 12m - Operating Power Supply: DC12/24V 【Vehicle Tag】 - Power Supply: 2 x Alkaline AA Batteries - Battery Life: Approximately 1 year - Protection Rating: Equivalent to IP54 【Small Speaker】 - Operating Power Supply: DC12-24V - Maximum Volume: 87dB - Protection Rating: Equivalent to IP54 【LED Indicator Light (Optional)】 - Operating Power Supply: DC12-24V - Protection Rating: Equivalent to IP65 ■Detection and Control Flow (6 Steps) 1. Vehicle enters the detection area → Magnetic field sensor detects the vehicle 2. Determine if the vehicle is authorized → System automatically identifies 3. If the vehicle is authorized → Shutter automatically OPENS 4. Vehicle passes through the shutter 5. Vehicle exits the detection area 6. Release open/close command → Shutter automatically CLOSES
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Main Uses - Automatically opens and closes the sheet shutter to detect only authorized vehicles (forklifts, AGVs, carts, etc.) - Reduces unnecessary openings and closings, improving air conditioning efficiency and achieving energy savings - Excludes workers and unauthorized vehicles from detection targets to prevent unnecessary openings and closings ■ Implementation Results: Company A, Headquarters Factory 【Background and Purpose of Implementation】 As part of efforts to achieve carbon neutrality and reduce CO2 emissions, this system was introduced to reduce air conditioning energy costs by decreasing the number of openings and closings of the sheet shutter. 【Implementation Effects】 In the area with the highest frequency of openings and closings, the number of sheet shutter operations was reduced by up to 90%. Air inflow and outflow were significantly suppressed, leading to stabilization of air conditioning temperature and reduction in energy costs. Along with the reduction in the number of openings and closings, the frequency of maintenance contracts was also reduced from twice a year to once a year, a 50% decrease. The frequency of replacement of consumable parts has also decreased, contributing to a reduction in equipment maintenance costs. Additionally, by detecting only authorized vehicles, unnecessary openings and closings caused by pedestrians were eliminated, reducing the risk of collisions between people and vehicles. Furthermore, improvements in the working environment due to reduced temperature fluctuations and the elimination of the need for operators to manually operate the shutter have contributed to overall efficiency improvements in the workplace.
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Starting with operations at the steelworks, Yoshikawa Industries has reached its 100th anniversary. We continue to take on challenges that break away from existing frameworks. As a challenge outside the steel industry, we established a dedicated manufacturer, Yoshikawa Industries RF Semiconductor Co., Ltd. (1999), and provide a total solution from chip design to tag manufacturing and system integration. Leveraging our 100 years of on-site know-how and expertise in RFID, we will engage with your site through "ICT × Safety × RFID." If you have any issues at your site, please feel free to contact us.
