Traditional Culture Encyclopedia - Hotel franchise - What are the energy-saving methods of hotels?
What are the energy-saving methods of hotels?
Temperature control in hotel lobby
The lobby is the facade of the hotel, which is open to guests 24 hours a day and needs air conditioning all year round. But with the different crowds in the lobby, the air conditioning load is also different. The distribution of people in the lobby has certain rules: in the morning, there are more passengers staying; The departure passengers are mostly concentrated at noon; The rest of the time, passengers travel randomly. Therefore, the air conditioning heat load in the lobby also fluctuates regularly with the peak hours of passenger flow. Intelligent building control system can adjust the control state in advance according to the law of this load curve, adjust the operating conditions and efficiency of air conditioning units and water chillers according to different time periods, and reduce the energy consumption of dynamic fluctuation of control system. This not only ensures the comfort of indoor temperature, but also realizes energy-saving control.
Temperature control in guest rooms
The temperature control of guest rooms is mainly realized through the networking of room state control in guest rooms. When there are guests in the room, the temperature of the room is mainly adjusted by the guests themselves, so as to satisfy the guests' feelings as the first priority; However, in other states, such as vacant state, the air conditioner will not be turned off completely, but will be turned on at 1/3 to ensure the maintenance and life of the furniture in the room and maintain the temperature balance of the whole hotel. When guests check in in the lobby, they can automatically turn on the room air conditioner through the interface between the front desk software and the room control system, and set the room temperature to a suitable temperature according to the needs of different guests; After the guest leaves, the system automatically returns to the leaving state. When cleaning staff or other staff members enter the guest room, the system can adjust the air conditioner and other electrical equipment in the room to the corresponding setting state according to the identity and work content of different personnel. In this way, the hotel can purposefully control the electrical state at the end of the room, understand the habits of the guests, and effectively avoid the situation that "the air conditioner in the room is always on or off, which makes the guests uncomfortable as soon as they enter the room".
For most hotels, especially tourist hotels, there is a peak season and a low season. In the off-season, guests' requirements for temperature comfort will not change, but if all the units in the hotel are on at this time, it will cause a lot of energy consumption, increase hotel costs and even make ends meet. In this case, relying on the self-diagnosis function of hotel management software, guests can be arranged in one or several areas, and a comfortable small environment can be created for guests only by controlling the start-up of mechanical and electrical equipment in the relevant areas.
Energy-saving Lighting in Hotel Rooms
The indoor lighting place of the hotel can be roughly divided into three parts: business place (hall, dining room, guest room), backstage office place and public space (corridor, bathroom). Common control methods are as follows.
Coordinated timing controller
Automatically switch the mode of lighting environment at a predetermined time, or control the on and off of lights without manual control. This device can avoid wasting electricity by forgetting to turn off the lights. For example, during working hours, after work, during lunch break and landscape lighting at night, automatic lighting lamps are equipped with sunlight sensors or brightness detectors. When the outdoor natural light is sufficient, the device can automatically reduce the output of the dimmable electronic ballast and the brightness of the window lamp, or directly turn off the lamp. Therefore, its circuit design needs to be parallel to the window direction, which is suitable for the automatic control of window lights, window corridors, lighting wells and outdoor landscape lights at night in hotel office space.
Thermal switching device
The device is suitable for small conference rooms, reception rooms, bathrooms and other places in hotels. The thermal sensor can automatically detect the temperature of the human body in the space, and automatically turn on the light when there is someone indoors; Turning off the lights automatically when no one is around is convenient and can avoid wasting energy.
Integral group control lighting control system
Such as lighting central monitoring system, second-line lighting control system, intelligent lighting system in guest rooms, etc. , can flexibly cooperate with the hotel schedule to change the lighting requirements.
Energy saving of hotel equipment area and kitchen
The equipment area includes laundry room and equipment room. These rooms are usually large in area, large in space, with many equipments and large in calorific value, and have low requirements for air comfort, but they need a lot of airflow to take away the calorific value of the equipment to ensure the work efficiency of personnel and improve the use efficiency and service life of the equipment. Therefore, in terms of outdoor fresh air supply volume and ventilation times, it should be adjusted to a suitable range according to the space volume, calorific value and oxygen consumption of the equipment area.
Air control of hotel parking lot
The parking lot does not require high air quality, as long as it reaches the normal or minimum value of indoor air quality. Through manual and automatic methods, the external air intake and exhaust volume are controlled according to indoor carbon dioxide concentration, carbon monoxide concentration and smoke turbidity content, and the central monitoring system starts and stops the power supply of fans.
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