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  1. Home
  2. Electrical equipment construction business
  3. 星和電機
  4. Received the "Best Development Award" from the Institute of Electrical Equipment: Seiwa Electric's DC Power Supply Tunnel LED Lighting System.
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  • Jun 08, 2020
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Jun 08, 2020

Received the "Best Development Award" from the Institute of Electrical Equipment: Seiwa Electric's DC Power Supply Tunnel LED Lighting System.

星和電機 星和電機
We are pleased to announce that our developed DC power supply tunnel LED lighting system has received the "Best Development Award." Electric Equipment Society - "Best Development Award" - Award Name: 31st Electric Equipment Society Technical Division Best Development Award - Award Recipients: Equipment Development: Seiwa Electric Co., Ltd. / Construction: Nagatune Electric Works Co., Ltd. - Achievement: Development of DC-powered tunnel lighting system - Award Date: April 2, 2020 Overview This system consolidates the DC power supply unit in one location, installed in the electrical room, making it the "first DC-powered tunnel lighting system in Japan." It has achieved the following three objectives, and its potential for widespread application in tunnels and similar environments has been highly evaluated. (Excerpt from the reasons for the award) 1. Miniaturization and lightweight design of lighting fixtures 2. Significant reduction in cable installation costs leading to improved economic efficiency 3. Enhanced maintainability through equipment consolidation Electric Equipment Society Development Award This award recognizes achievements related to inventions and ideas concerning technology, equipment, products, systems, and construction techniques related to research and development, deemed worthy of the Electric Equipment Society Award "Technical Division." Each year, one Best Development Award and several Excellent Development Awards are presented.
Install the power supply unit collectively inside the electrical room from the main body of the equipment.
Install the power supply unit collectively inside the electrical room from the main body of the equipment.
Compact and lightweight LED tunnel lighting fixture
Compact and lightweight LED tunnel lighting fixture
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●DC方式トンネル照明システム.pdf[204818]

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Seiwa Electric's compact and lightweight LED tunnel lighting fixture has been selected as a useful technology under NETIS's "Promotion of Utilization Technology"
We are pleased to announce that our newly developed compact and lightweight LED tunnel lighting fixture has been selected as a useful technology under NETIS's "Promotion of Utilization Technology". ・NETIS Registration Number: TH-150008-VE ・Technology Name: Compact and Lightweight LED Tunnel Lighting Fixture                "STAR LED’S TUNNEL" ・Registration Date: March 26, 2020
Seiwa Electric's DC power supply tunnel LED lighting system has received the "Best Development Award" from the Electrical Equipment Society and the "Lighting Promotion Award" from the Lighting Society
Received the "Best Development Award" from the Electrical Equipment Society  ・Award Name: 31st Electrical Equipment Society Technical Division Best Development Award  ・Award Recipient: Device Development: Seiwa Electric Co., Ltd. / Construction: Nagano Electric Works Co., Ltd.  ・Achievement: Development of DC-powered tunnel lighting system  ・Award Date: April 2, 2020

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Japan's first! Development of a new tunnel LED lighting system using direct current power supply.

Technologies registered in the New Technology Information System (NETIS) have adopted both the direct current power supply method (CG-170008) and (TH-15008).

The newly developed tunnel LED lighting system, the first of its kind in Japan, has achieved miniaturization and weight reduction of the lighting fixtures by installing the power supply unit inside the electrical room and supplying power to the fixtures in the tunnel with direct current. Conventional products had the power supply unit within the fixture itself, but this product does not have a power supply unit inside the fixture, allowing for miniaturization and significantly reducing installation work. Additionally, by consolidating the power supply unit in the electrical room, maintenance has been simplified. The direct current-powered tunnel LED lighting system makes the lighting fixtures ultra-compact and lightweight, reducing construction costs by using connector-type power wiring, and improving maintenance ease and safety by placing the power supply unit in the electrical room. The direct current-powered tunnel LED lighting incorporates technologies registered with the Ministry of Land, Infrastructure, Transport and Tourism's New Technology Information System (NETIS) (CG-170008) and the technology for compact and lightweight LED tunnel lighting fixtures (TH-150008). Recently, we supplied the tunnel LED lighting system for the Kyuuzan Tunnel (downhill L=1,704m) on National Route 185, under the jurisdiction of the Hiroshima National Highway Office of the Chugoku Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism.

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Sign lighting using tunnel lighting fixtures, the first of its kind in the country.

We have delivered sign lighting using tunnel lighting fixtures, the first of its kind in Japan, to the Shin-Meishin Expressway (from Takatsuki JCT/IC to Kobe JCT).

Sign lighting refers to tunnel lighting that glows white, which flashes red during a vehicle fire, and flashes yellow in the event of abnormalities such as accidents, falling objects, or broken-down vehicles, alerting drivers. This allows drivers to drive with peace of mind.

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The first pacemaker light using tunnel lighting fixtures in the country.

We have delivered the first-ever tunnel lighting fixtures using pacemaker lights on the Shin-Meishin Expressway (Takatsuki JCT/IC to Kobe JCT) in Japan.

The Pace Maker Light is a tunnel lighting system that shines white and has green lights illuminating in the direction of travel, creating a flow of light that drivers feel compelled to match in speed, helping to restore speed and alleviate traffic congestion. Conversely, when drivers exceed the green light, the Pace Maker Light serves as a technology that assists in speed regulation.

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HK-2

Recommended for earthquake measures for automatic doors and equipment! Seismic device HK-2.

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Japan is one of the top 10 countries in the world with frequent earthquakes. The 2020 White Paper on Land, Infrastructure, Transport and Tourism has also reported an increase in the probability of major earthquakes occurring. Regarding the Nankai Trough earthquake, the probability of an earthquake with a magnitude of 8 to 9 occurring within the next 30 years is estimated to be 70 to 80%. At Hotron, we recommend the introduction of seismic devices for earthquake countermeasures in buildings and equipment. The seismic device 'HK-2' is a product that automatically performs various controls that have been pre-set when it detects strong shaking equivalent to a seismic intensity of 5 lower or higher. For example, it can automatically execute actions such as: "Open automatic doors and gates to secure evacuation routes and access for emergency vehicles" "Transmit signals to the control room and stop facility equipment" "Unlock the keys to locked lockers" "Automatically play voice guidance" For more details, please download the materials or contact us.

Jun 05, 2026

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Solve your problems with wired bed exit sensors by connecting a wireless set linked to the nurse call system!

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Do you have any concerns or requests regarding wired bed exit sensors? × Tangling or tripping over wired cables × Cable disconnection or damage × Worrying about forgetting to turn the switch back on after temporarily stopping the sensor. × Wanting to be notified of bed exits even from a location far from the nurse call outlet. Such concerns can be resolved simply by connecting our wireless nurse call linked set to the sensor! Our wireless nurse call linked set allows you to connect bed exit sensors like "Ugo-kun," "Foldable Thin Matta-kun," "Ayumi-chan," and "Just Place Pole-kun" to transmitters and receivers, reducing wiring around the bed area, alleviating concerns about tripping or falling due to cables, and contributing to a tidier work environment. Furthermore, it enables the use of bed exit sensors even from locations far from the nurse call outlet, allowing for more flexible equipment placement.

Jun 05, 2026

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As heatwave risks continue to rise and workplace heatstroke prevention requirements become increasingly important, how can organizations encourage employees to maintain safe behaviors consistently?

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Kort Valuta has released a workplace initiative model that leverages points exchangeable for electronic money to support the adoption of safety and wellness habits. Examples include: ・Hydration reporting ・Viewing heatstroke prevention content ・Pre-shift condition checks ・Voice-based condition checks By linking these activities to incentive points, organizations can encourage voluntary participation while supporting workplace safety and employee well-being. The model is designed not only for frontline environments such as: ・Logistics ・Construction ・Manufacturing but also for office-based health and well-being programs. Safety posters and reminders alone are often not enough to drive lasting behavioral change. We hope this initiative provides a practical example for organizations seeking new approaches to workplace safety and employee engagement. Read the full press release: https://prtimes.jp/main/html/rd/p/000000118.000076589.html #HeatstrokePrevention #WorkplaceSafety #EmployeeWellbeing #HealthManagement #OccupationalHealth #HR #Logistics #Construction #Manufacturing #TwooCa

Jun 05, 2026

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[Video Manual Guide] We will explain in an easy-to-understand video how to connect the wireless set that links the bed exit sensor and nurse call system!

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Hotron, which manufactures and sells sensors, provides bed exit sensors for hospitals, nursing, and care facilities. Hotron offers easy-to-understand video guidance on how to use bed exit sensors wirelessly and how to set up device connections! ▼ Video Manual (YouTube) https://www.youtube.com/playlist?list=PLNVA4mTrZDqtJa6MfFRZQxwtfCSnAfxVy 【Bed Exit Sensors】 ○ Non-contact infrared sensor, simply place it - Pole-kun HB-H1 ○ Mat sensor, foldable thin mat - Mat-kun HB-UST ○ Body movement call - Ugo-kun HB-TV3 ○ Body movement call for wheelchairs - Ayumi-chan HB-WTV3 【Options】 ○ Nurse call linked wireless set - Wireless set (transmitter/receiver) HB-RS/HB-RJ ◎ For more information about the products, please contact us or download the catalog.

Jun 04, 2026

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When the sensor detects the car, the rotating light will turn on.

Ideal for entrances and exits of parking lots and stores! Alerts pedestrians of vehicle departures with the light from the rotating lamp! Here is a proposal for a departure warning sensor! Free catalog giveaway.

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[To the owners of parking lots and parking lot construction companies] "I'm worried about not colliding with pedestrians when exiting the parking lot..." Among vehicle entrances to parking lots, stores, residences, and factories, particularly at entrances facing sidewalks or roadways, there is a risk of dangerous incidents such as collisions with pedestrians or between vehicles. To alleviate such concerns, Hotron proposes a [Vehicle Exit Warning Sensor] that detects vehicle departures using various sensors and alerts the surrounding area with LED lights and buzzers. The system consists of a simple configuration of "sensor" + "controller" + "switching power supply (24V)" + "LED rotating light." *Please note that a separate control panel is required to include the controller and switching power supply (24V) when using the exit warning system. *We kindly ask customers to arrange for the switching power supply (24V), LED rotating light, control panel, circuit breakers, etc. Since it can be retrofitted, it can also be used for existing parking lot entrances. We hope this will contribute to safer vehicle passage for everyone. ◎ For more details, please contact us or download the catalog.

Jun 04, 2026

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