Some operators and operators have told reporters that after trying some kind of ventilation technology, they have not achieved the energy-saving effect of more than 50% of the promotion. In fact, all kinds of energy-saving technologies and means have certain advantages and disadvantages, but also have a certain adaptation to the environment, not "all-in-one", need to prescribe the right medicine. At present, there are many types of energy-saving products supported by base stations, and the number of manufacturers is quite large. Various energy-saving data are also varied. The seven types of base stations are equipped with energy-saving technologies, and their characteristics are analyzed and evaluated.
1. Energy efficiency of new energy: 30%When it comes to the application of new energy sources, optoelectronic complementarity is currently the hottest technology in base station applications. This technology was born in the era of global energy shortage and climate warming in the 21st century. The principle is to convert solar energy into electric energy through photovoltaic power generation system, and at the same time cooperate with traditional power supply mode (main power, oil machine power generation) to achieve effective use of energy, save energy and reduce consumption and ensure stable operation of the system. At present, this technology is applied in energy-rich areas such as Inner Mongolia and Tibet.
Adapt to the environment: solar-rich areas, such as Inner Mongolia, Qinghai and other provinces and autonomous regions.
Advantages: The use of new energy sources can effectively reduce carbon emissions and basically achieve zero emissions.
Disadvantages: Firstly, the optoelectronic complementary technology is limited by the natural environment, and can only be used in places with abundant solar energy resources. At the same time, the pollution caused by the production of solar panels is also very serious.
Rating: ★★★☆☆
2, intelligent ventilation energy-saving efficiency: 20% -70%The intelligent ventilation technology utilizes the outdoor natural environment cold source. When the outdoor air temperature is lower than the indoor temperature to a certain extent, the outdoor cold source is introduced into the equipment room through corresponding technical means, and the heat of the equipment room is taken away to achieve the purpose of reducing the temperature of the equipment room. . Thereby reducing the use time of the computer room air conditioner and achieving the purpose of saving electric energy. There are three main ways to use outdoor cold sources: direct-introduction fresh air system, heat recovery fresh air ventilator fresh air system, and glycol dry heat exchanger heat exchange system.
Adapt to the environment: the temperature difference is large, the climate is not very hot, and can be used together with air conditioners, but be careful not to use them in dusty areas such as power plants.
Advantages: The most energy-saving effect.
Disadvantages: Due to the constraints of the external environment, if the internal and external temperature difference is not large, the energy saving effect is not obvious; due to the use of the filter screen, the application effect is affected in the environment of heavy industry and dust, and the filter must be replaced frequently to increase the operation and maintenance workload. .
Rating: ★★★★☆
3. Energy-saving efficiency of energy-saving air conditioner: 30%-50%Energy-saving air conditioners are a very broad concept, but from the current market offerings, current energy-saving air conditioners are mainly combined with variable frequency technology or with intelligent ventilation technology. The inverter air conditioner is a special compressor for frequency conversion based on the ordinary air conditioner, and the frequency conversion control system is added. The main unit of the inverter air conditioner is automatically steplessly variable, which can automatically provide the required amount of cold (heat) according to the room condition; when the indoor temperature reaches the desired value, the air conditioner main unit operates at a constant speed that can accurately maintain this temperature. Achieve "no downtime" to ensure the stability of the ambient temperature.
Applicable environment: The effect is most obvious in areas where the traffic volume changes periodically. At the same time, when using the fresh air technology, pay attention to the surrounding dust environment.
Advantages: Compared with the previous civil air conditioners occupying the base station air-conditioning market, replacing energy-saving air conditioners not only saves energy, but also improves the safety of base station operation.
Disadvantages: Inverter air conditioners are energy-saving during partial load operation, but in high load (including very low load) inverter air conditioners lose energy-saving advantages; inverter air conditioners are much more expensive than equivalent fixed-frequency air conditioners, and civilian cabinets The price is basically more than 10,000 yuan or even higher, and the price is not high.
Rating: ★★★★☆
4, battery incubator energy-saving efficiency: according to the base station temperature increase rangeThe battery incubator is in fact a small incubator that protects the most susceptible to temperature in the equipment room, thereby increasing the temperature of the room, reducing the use of air conditioners or not using air conditioners. Since the battery is very sensitive to temperature, high temperatures will halve its life, so the battery needs to be protected even though the main equipment can withstand high temperatures.
Applicable environment: Unconditional, but important base stations or equipment rooms are not recommended.
Advantages: The battery incubator can help the machine room to increase operating temperature, reduce air conditioning usage, and save energy.
Disadvantages: The battery incubator has no shortcomings, but since no air conditioner or base station with low probability of using air conditioners will affect the life of the main equipment more or less, the failure rate increases, but it is still within the controllable range.
Rating: ★★★★★
5, integrated machine room energy efficiency: 50%The so-called integrated computer room is a mobile computer room, which can be integrated with a series of equipment in the machine room to form an integrated facility. The main purpose of the integrated computer room is to provide a good operating environment for the main equipment. Different from the brick wall surface in the past, the integrated machine room will use special materials such as containers to build the base station, which is easy to disassemble.
Since the integrated computer room is designed with uniform enterprise standards, the equipment room and accessory equipment are structured, standardized and modular products. The main performances are: design in standard machine room mode, guaranteed manufacturing quality; multiple installation modes , a variety of styles; can provide a variety of supporting engineering modules; system structure is compact, high integration; machine room supporting functions can be implemented in batches, combined with OPEX and CAPEX, to find the best balance point.
Adapt to the environment: no special environmental requirements.
Advantages: The integrated computer room can fully improve the integration and systemization level of the base station equipment room, reduce the CAPEX, quickly deploy the base station, shorten the construction period, and has outstanding performance, low cost and easy installation.
Disadvantages: The ability to withstand natural disasters such as hurricanes and earthquakes requires a practical test.
Rating: ★★★★
6, DCS technology energy efficiency: 30%Object Oriented Cooling (O2C) is a new cooling method jointly proposed by Zhejiang University and Zhongcheng Technology. The current product is an all-weather intelligent distributed mobile base station cooling system. According to the number of base station heating devices, Equipped with a corresponding number of indoor evaporators, each evaporator is connected in parallel (or in series, mixed) and connected to an outdoor unit to form a small central air conditioner. The system integrates two circulation pipelines, one pipeline takes the refrigerant, the refrigeration system is equipped with two compressors of suitable power ratio, and the one-way valve controls the different compressors to operate separately; one pipeline carries the refrigerant and matches There is a circulation pump. Control the start and stop operation status of the two subsystems for different seasons and outdoor environments.
Applicable environment: no special requirements
Advantages: Targeted air supply, detecting the temperature at the air outlet of the base station equipment, using frequency conversion technology to control the air supply volume, and effectively utilizing energy.
Disadvantages: Because the energy-saving equipment is next to the main equipment, it brings trouble to the maintenance, and at the same time, due to the precise temperature control, it still has an impact on the call drop rate.
Rating: ★★★★☆
7, passive energy-saving technology energy-saving efficiency: more than 20%Passive energy-saving technology transforms the heat transfer of the building's envelope structure and base station equipment. In this way, the ideal base station maintains heat transfer performance, and the energy generated by the internal equipment is easily transmitted.
Applicable environment: The area with little climate change in winter and summer is more suitable for the Northeast.
Advantages: saving energy, close to zero emissions.
Disadvantages: Base station air conditioners reduce energy consumption. The heat transfer coefficient required for summer and winter is different. We hope that the external heat will be transmitted as little as possible in the summer, and in the winter, we hope that the base station equipment will heat up as much as possible; There are many forms such as self-construction and renting, and it is difficult to make uniform and random changes to its building structure.
Rating: ★★★★☆
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