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What lighting fixtures are used for outdoor parking lot lighting with good lighting effect?
The selection of outdoor parking lot lighting fixtures first depends on their installation location and whether they meet environmental usage requirements. Outdoor parking lot lighting fixtures should be installed outdoors, taking into account their usage environment, such as direct sunlight, strong winds, rain, humidity, and severe cold. Therefore, in order to provide a good lighting environment for the parking lot, when selecting lighting fixtures, not only the lighting effect of the fixtures should be considered, but also the waterproof and impact resistance of the fixtures should be considered. In addition, as a long-term lighting tool, the energy-saving performance of lamps is also very important.
What lighting fixtures are good for outdoor parking lot lighting
According to the above requirements, LED solar street lights are a good choice. LED solar street lights have the advantages of high efficiency, energy conservation, long lifespan, high brightness, and can be charged using solar energy without the need for external power supply, which is environmentally friendly and energy-saving. In addition, as a common outdoor lighting fixture, LED solar street lights usually have waterproof performance above IP65 level and strong impact resistance, which can adapt well to complex external environments and provide high-quality lighting.
What lighting fixtures are good for outdoor parking lot lighting
At the same time, the new LED solar street lights not only have good lighting effects, but also can greatly reduce energy consumption while ensuring brightness, meeting environmental requirements. Ming Feng Lighting solar street light, with a brightness range of 2000 lumens to 12000 lumens, and LED beads, integrated into a lightweight aluminum shell body, can effectively protect internal parts, and has good heat dissipation, strong corrosion resistance, and longer lifespan.
What lighting fixtures are good for outdoor parking lot lighting
In addition, in terms of energy conservation, Ming Feng Lighting adopts intelligent light control (automatic light off and charging at dawn, automatic brightness at dusk)+PIR motion sensor (low brightness for no one, 100% brightness for people), and there are three lighting modes to choose from, which can meet the brightness requirements while increasing energy conservation and battery life. Based on the above, LED solar street lights are a good choice for outdoor parking lot lighting.
Abstract: This article introduces the lighting design of the outdoor parking lot outside the west block of Shunde District Administrative Service Center
Keywords Outdoor parking lot; Lighting design; illumination
1. Introduction
With the development of the economy, cars have become a commonly used means of transportation for people. Urban parking lots enable cars in the city to operate smoothly and smoothly. Parking lots are becoming an essential component of a city, and their illumination should also be taken seriously. Targeted lighting in the parking lot is not only a requirement for ensuring usage, but also a requirement for ensuring property and personal safety.
2. Project Overview
The lighting design location of the parking lot introduced in this article is located outside the west block of the Shunde District Administrative Service Center, and is an outdoor parking lot. There are 778 outdoor parking spaces, mainly for the use of outsiders. The road width (including parking space area) is approximately 14 meters or 12 meters. One entrance and one exit each. The ground material is asphalt overlay.
3. Lighting technical requirements
3.1 Design ideas
3.1.1 Illumination standards: Referring to the current national standard "Design Standards for Outdoor Workplace Lighting" GB 50582-2010 and "Design Standards for Urban Road Lighting" CJJ 45-2015, there are relevant requirements for various types of outdoor parking lot illumination indicators. GB 50582-2010 stipulates that "for Class I (>400 vehicles) parking lots, the standard value of horizontal illumination is 30lx, and the uniformity of horizontal illumination must reach above 0.25". According to CJJ 45-2015, for parking lots with high traffic volume, the average level of illumination Eh and av (lx) should be maintained at a value of 20lx, and the uniformity of illumination should be above 0.25. For the entrance and toll area of the parking lot, the "Design Standard for Outdoor Workplace Lighting" GB 50582-2010 stipulates that "the illumination at the entrance and toll area of the parking lot should not be less than 50lx." This parking lot adopts the Class I illumination standard of GB 50582-2010, with a horizontal illumination standard value of 30lx.
3.1.2 Lighting analysis and requirements for various components of the parking lot: (1) Entrance and exit - The entrance and exit of the parking lot need to check documents, collect fees, and identify the driver's face, facilitating communication between staff and drivers; Railings, facilities on both sides of the entrance and exit, and the ground must be provided with corresponding lighting to ensure the safe driving of drivers. Therefore, lighting should be appropriately strengthened here and targeted lighting should be provided for these operations. GB 50582-2010 stipulates that the illumination at the entrance and toll area of parking lots should not be less than 50lx. (2) Signs and markings - The signs in this parking lot need to be illuminated in order to be visible, so the lighting design should take into account the lighting of the signs. Then there are the ground markings, and when setting up lighting, it should be ensured that all markings can be clearly displayed. (3) Body parking space - The lighting requirements for the parking space should ensure that the ground markings, ground locks, and isolation railings are clearly displayed, ensuring that drivers do not collide with ground obstacles due to insufficient lighting when entering the parking space. After the vehicle is parked in place, the vehicle body needs to be displayed through appropriate lighting to facilitate the identification of other drivers and the entry and exit of the vehicle.
(4) Pedestrian route - When pedestrians pick up or get off the vehicle to leave, there will be a section of pedestrian road. This section of road should be considered as an ordinary pedestrian road, and appropriate ground and vertical lighting should be provided. If the pedestrian route of this parking lot is mixed with the roadway, it should be considered according to the roadway standards. (5) Environmental interference - For safety and directional considerations, the environment of the parking lot should have some lighting. However, the impact on the off-site environment atmosphere should be reduced, as vehicles or parking lots are not aesthetic decorations in public environments and may disrupt the harmony of the environment. The above issues can be improved by arranging the lighting fixtures. By setting continuous light poles around the parking lot to form an array, it can serve as a visual barrier and achieve a separation effect inside and outside the parking lot.
3.2 Lighting quality requirements
For the lighting of parking lots, in addition to basic lighting requirements, other factors such as the uniformity of lighting intensity; The color rendering and color temperature requirements of the light source; Glare is also an important indicator for measuring lighting quality. High quality venue lighting can create a relaxed and comfortable visual environment for drivers and pedestrians.
4. Lamp layout method and lamp selection
4.1 Lamp arrangement method
Reasonable lamp layout design is crucial for improving illumination uniformity, stereoscopic effect, reducing glare, and meeting lighting requirements. The lighting effects produced by different lighting arrangements in parking lots are completely different. At present, many parking lots in China use high pole or semi high pole lights for lighting, with few lighting fixtures arranged. The prominent problem with this type of parking lot is that the lighting uniformity in the entire parking lot is relatively poor, and when there are slightly more parking vehicles, it will form a shadow, exacerbating its unevenness. In contrast, the use of ordinary street lamp poles with multiple lamp arrangement points (relative to the former) is the case. The investigation found that this type of lighting arrangement method achieves the same illuminance as the former through reasonable distribution of lamps and targeted consideration of lamp selection. The latter has significantly better uniformity of illumination, making it more convenient to use in such a venue and better reported by people.
Therefore, based on the above analysis of the current situation and the layout characteristics of this parking lot, the design of this parking lot adopts low height single head street lamps, semi cut-off type lamps, arranged in rows within the boundary of the site, with multiple lamp arrangement points, which improves the uniformity of illumination and reduces the light interference caused by the parking lot on surrounding roads and buildings. Specific lighting arrangement: The installation height of the lighting fixtures is 8 meters, and the street lamp poles are installed on the ground. They are symmetrically arranged on both sides of the parking spaces on both sides (with a road width of 14 meters), with a spacing of 25 meters. The installed power of the lamp is 126W. Properly shorten the distance between lighting fixtures at the entrance and exit to improve the level of illumination.
4.2 Lamp Selection
HID lights and LED lights are commonly used choices. LED is a solid-state light source, which has the characteristics of small size, fast response, modular combination, adjustable power size, and DC power drive, bringing great convenience to lamp manufacturing. Moreover, in recent years, with the support and promotion of the government, the development speed has been very fast, and the price of light sources has decreased rapidly, creating good conditions for LED applications. Moreover, considering the requirements of safety, security, feature recognition, inspection of documents, and environmental atmosphere, LED lighting fixtures are selected in this design. The specific lighting parameters are as follows: the light output rate of the lamp is above 85%, the power factor of the LED lamp is above 0.95, the overall luminous efficiency of the LED is above 100lm/W, the power efficiency of the lamp is ≥ 85%, the color temperature of the LED lamp is 4000K~4500K, and the color rendering coefficient Ra is ≥ 70. The service life is over 30000 hours, the protection level of the lamp is above IP65, and the protection category against electric shock is I. Based on the above parameter requirements. This design selects LG S13400T29BA CE produced by LG company_ LG LED Street Light 126W 4000K Type II luminaire.
1. Lighting control method
Set up two control methods: light control and time control, and simultaneously set up manual control switches to adapt to different operating requirements. Under light control mode, the light is turned off when the natural light level reaches 30lx, and turned on when the natural light level drops to 80%~50% of 30lx. When using the time control method, use a latitude and longitude clock controller to control and reasonably determine the time for turning on and off the lights based on their geographical location and seasonal changes.
2. Illumination calculation value
The simulated calculation of illuminance results for the above design content using DIALux illuminance software is shown in Figure 2 (unit: Lux).
Figure 2
Average illumination [lx]: 31; Minimum illumination [lx]: 25; Maximum illumination [lx]: 36;
Minimum illumination/average illumination: 0.812;
Minimum/maximum illumination: 0.703.
From this, it can be seen that the above design layout method can well meet the standard requirements (average illuminance: 31lx>30lx, horizontal illuminance uniformity: 0.812>0.25), and has good illuminance uniformity.
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