Popularize energy-efficient and environment-friendly air conditioning equipment

Abstract: In this paper, starting from the promotion of energy-saving and environment-friendly air conditioners, this paper briefly discusses the methods and matters needing attention in the six aspects of its design, production, selection, installation, control and maintenance. Keywords: energy saving ozone layer greenhouse effect new refrigerant 0 Introduction Since the reform and opening up more than two decades, China's per capita life expectancy increased significantly. This remarkable fact, in addition to due to the new political and economic environment, people's daily life, work environment improvement is an important factor that can not be ignored, air-conditioning equipment is to create this kind of longevity environmental conditions Hero However, technology is often double-edged sword. Air-conditioning equipment is not only energy-hungry, but also create a local comfortable environment, while the negative impact on the entire planet's environment - the destruction of the ozone layer; exacerbating the global greenhouse effect. No wonder "greenpeople" in Europe are reluctant to use air-conditioning equipment. As a result, some people in the developed industrialized countries in the summer of 2004 were even killed by the heat. Therefore, air-conditioning equipment must be energy-saving and environmentally friendly development in both directions, so friendly and natural, in order to extensive and long-term for human services. This article on the general promotion of energy-efficient environmentally friendly air-conditioning related issues for the following discussion. Air-conditioning equipment and environmental protection are closely related, the two complement each other. In general, energy-saving air conditioners are always environment-friendly, and most of the environment-friendly air conditioners are also energy-saving ones, at least in coordination with energy-saving ones. Therefore, the two can be compared, and learn from each other. 1 focus on the use of energy-efficient air-conditioning equipment during the design concept of air-conditioning equipment design can not simply consider the manufacturing costs, but also emphasis on running costs. Operating expenses account for more than 55% of the total funding (life-cycle costs) over the entire life-cycle, including production costs, so saving energy in equipment plays a significant role in reducing life-cycle costs. In order to maximize the value of COP (= Freezing Capacity / Power Consumption) when designing energy-efficient air conditioners, a DC inverter controller and a reluctance scroll compressor should be adopted (because the motor core is equipped with magnetic force stronger than that of ordinary ferrite magnets 10 times the neodymium magnet, and through the special design of the additional reluctance torque, the efficiency increased by 20% or more), infrared sensors and other high-tech ancillary products, the resulting inverter air conditioner than the frequency of air conditioners About 45% energy saving, although higher initial cost is required, but according to calculation, the difference can be repaid only 1.5 to 2 years. (2) Production and management philosophy of caring for the environment in the whole manufacturing process Energy-saving and environment-friendly air-conditioners should adopt HFC new refrigerant with ozone layer destruction coefficient of "0" for environment-friendly design. At the same time, we must ensure that civilized production and achieve "zero waste discharge." Obtaining ISO 14001 certification for the production plant itself goes without saying that "green procurement" should also be implemented. In order to ensure that the raw materials, equipment and components used meet environmental requirements, all relevant manufacturers should also obtain ISO 14001 certification. 3 the best choice of air-conditioning and the most suitable air supply location and the concept of energy selection Air-conditioning is essential for energy-saving air-conditioning equipment must be based on different occasions and different air conditioning requirements, develop practical and appropriate air-conditioning program. 3.1 Correcting the disadvantages of the central air-conditioning system ① Air-conditioning the necessary space only for the necessary time (eliminating empty consumption) ② Reducing the power of conveying the heat source (a high proportion of power transmission mechanisms are adopted when using the central air-conditioning) ③ Implementing independent temperature control (To prevent overcooling, overheating). 3.2 Replacement of Complete Air Conditioner with Local Air Conditioners In operation sites (such as workshops, laboratories, etc.), temperature has a great influence on the safety and accuracy of operation. According to statistics, in the stable environment of 17 ° C ~ 23 ° C, industrial accidents and The minimum job error index. Therefore, these sites should take effective fixed-point air conditioning (local cooling or heating), and try to extend the air duct close to the human body, which is closely related to the air conditioning effect, but also the key to energy-saving air-conditioning. According to an example, the wind speed at the outlet of 1.0m was 2.7m / s, the body temperature was 25.5 ℃, and the wind speed was reduced to 1.4m / s at the distance of 2.0m from the air outlet, while the somatosensory temperature rose to 29 ℃. 3.3 equipped with the air conditioning and coordination of the ventilation If the air conditioning and ventilation coordination, it will not be conditioned after the air temperature was wasted and waste energy. To high-temperature workshop, for example, in order to reduce the cooling load, the overall ventilation and local ventilation and use, while the operator provides fixed-point air-conditioning. Ventilation The overall ventilation n (n = ventilation volume per hour (m3) / indoor volume (m3)) should be minimized with effective local ventilation (venting) to reduce indoor heat loss. Fresh air must be introduced where a lot of ventilation is required. For the machine where a lot of heat, you can use a whole new way, that is, after the introduction of air conditioning to fresh air. For those places where only normal ventilation and ventilation are required, a combination of return air and fresh air may be used, that is, a method of air-conditioning after circulating air and fresh air are mixed. 3.4 using a special configuration and process used in hospitals, convalesce and other places clean air conditioners and air cleaners and other equipment need to obtain the effect of a high degree of air purification should be efficient sterilization filter and photocatalytic (material composition of titanium oxide) deodorant Filters, these filters in addition to the dust function also has significant deodorant, anti-bacterial effect, and have the role of inhibiting the floating bacteria and viruses. 3.5 Choosing Air-conditioning Energy According to Local Conditions There is no doubt that electricity is the most commonly used energy-saving air-conditioning energy, and the primary electric mode consumes less primary energy and emits less CO2. However, heat source equipment such as absorption chillers may be used in areas where gas (natural gas or gas) or oil (petroleum, etc.) are abundantly supplied and electricity is scarcer. Consider developing ice thermal storage air conditioners in areas where electricity rates are cheap at night. In addition, solar air conditioners can be said to be the best energy-saving environmentally friendly air-conditioning equipment, there should be promising future. 4 Installation and operation of technology, accessories and equipment quality Absolutely reliable construction concept Before installation should SE (sales engineer) for the construction design, load calculation to ensure that the power of the equipment and the required air conditioning area to match, to determine the best equipment installation position. The operation must be carried out by a qualified professional and only the accessories supplied with the equipment should be used. The copper pipes, wires, suspension brackets and bolts on the site must strictly comply with the technical requirements stipulated by the manufacturer. 5 air-conditioning control system IT management philosophy to make air-conditioning equipment, comfort and energy-saving the best of both worlds, the IT management system is the key, so the following control device should be used. 5.1 Intelligent Manager (Large-Scale, High-Level Monitoring) The intelligent manager is a centralized monitoring device that is adapted to the management of the main air conditioner (for multi-connection of buildings). It can directly contact the air-conditioning equipment through a dedicated communication line , Constitute a high price performance ratio system, 100% utilization of equipment information. 5.1.1 One of the energy-saving functions When the target power is to be exceeded in the peak period of power consumption, the control method of shifting the temperature and stopping the indoor unit through the air-conditioning system may be used as much as possible without affecting the comfort Mastered within the target power. 5.1.2 Energy Saving Function Two: While maintaining the comfort level, if you want to further reduce power consumption, you can use the following two operating modes: (1) to stop any one indoor unit after a certain interval or at the same time Taiwan machine alternately. (2) To limit the capacity of the outdoor unit. 5.1.3 Abnormal Management When abnormality occurs, the content is displayed in the "Abnormal record time display area". At the same time, the alarm buzzer is triggered according to the system setting to notify the abnormality. And, the 500,000 abnormal changes in the past as a file saved in the hard disk. 5.1.4 Proportional distribution of electricity consumption With the aid of "air-conditioning capacity derived from the operation state of indoor unit", the use power of each indoor unit can be calculated and the difference can be found by the air-conditioning load even in the same operation time, This will result in a more equitable distribution of tariffs. 5.1.5 Remote Monitoring Using Local Area Network Remote management can be achieved by setting up a dedicated local area network between a centralized management room remote from a building and the building. In addition, it is easy to respond to additional facilities (buildings, etc.) in the future Additional air conditioners and extended LAN. 5.2 AIRNET + Intelligent Manager provides users with free air-conditioning control through the intelligent manager, and also restricts the operation of unknown faults through the air-conditioner private network. With the information processing and communication technology, we can monitor the running status of the air conditioners at any moment, and take advantage of the "on-line diagnosis system" to prevent failures before they occur, thereby saving energy and improving the service life of the machine. Moreover, in the event of failure, may have not found the user before, the maintenance engineer has been the first notice, arrived at the scene to remove obstacles. 5.3 The smart touch controller is ideal for those who do not have a dedicated management room or do not want to hire full-time staff. 5.3.1 MAKING ACCESSIBLE AIR CONDITIONING SYSTEMS EASILY HIGH FUNCTION Programmatically set daily daily stops and required temperatures in years. Dramatically reduce management time and manpower. And, easy to operate, without professionals, anyone can manage. 5.3.2 Scheduling electricity consumption proportionally based on the usage of air conditioners By adding the corresponding software, you can provide prorated electricity distribution information that facilitates the management of electricity bills. 5.3.3 Air conditioning management with high efficiency and energy saving Since the temperature in each room is always monitored and temperature control is provided based on proper temperature management, a highly energy-efficient air-conditioning operation can be achieved. In addition, significant costs can be saved by eliminating unwanted operations caused by prior programming. 6 multi-directional meticulous maintenance management philosophy In order to reduce the failure to maintain the performance of equipment in order to achieve long-term economic operation and extend the life of the need for maintenance. In order to take precautions against disasters should be carried out safety inspection. 6.1 Preventive Maintenance (PM) The so-called prevention and preservation is to eliminate the symptoms in operation beforehand, that is, to take measures before failure or abnormality occurs. According to statistics, compared with ex post facto preservation, the average life expectancy of air-conditioning equipment and major components for prevention and preservation can be raised by about 3.3-8.8 years, and the administrative expenses can be effectively reduced. 6.2 Daily Inspection Every day, air conditioners should be informed of the start-up, operation and stoppage of air-conditioners. Various display data (such as air supply, suction temperature, condensation, evaporation pressure, current and voltage) (Such as water leakage, abnormal vibration, abnormal sound, etc.). 6.3 Periodic Maintenance The period and content of maintenance and overhaul depend on the environmental conditions and the degree of importance of the air-conditioning equipment. In general, the year before the cooling operation, cooling operation, heating operation, heating operation implemented 4 times shall prevail. In addition, visual inspection can also be used to estimate a variety of operating data (such as condenser, cooler pollution, filter plugging, corrosion? Refrigerant leaks? Bearing, V-belt with no abnormalities, etc.). 6.4 The remote (management center) testing uses relevant information equipment to collect, transmit and save a large amount of data, and effectively prevent the failure by monitoring the operation status of the equipment for 365 days, 24-hour monitoring and independent on-line diagnosis. Automatic detection of air filters, heat exchanger pollution, to ensure long-term efficient operation. By analyzing and synthesizing a wealth of data, we can make proposals to improve the equipment. Immediately notify the management center automatically immediately when an exception occurs, quickly respond. In general, combining machine inspection with manual periodic inspection (visual inspection) makes it easier to use and reduce product running costs. 6.5 comply with the update of air-conditioning equipment As energy-saving technologies and people on the earth's environmental protection requirements are constantly improving, energy-saving environmentally friendly air-conditioning is also highly sophisticated direction of renewal, so the maintenance of air conditioners should also be updated in accordance with their trends . 6.6 Improve Market Recovery of Refrigerants After-sales service of energy-saving and environment-friendly air conditioners is a very important part. Market recovery of refrigerants must be increased (≥70%). Although the ozone layer destruction factor of HFCs is "0", its warming coefficient (causing the global warming effect) is still relatively high, so it must be equally prohibited to be discharged into the atmosphere and its obligation to be recycled and decomposed. 6.7 Recycling waste air-conditioning equipment For scrapped air-conditioning equipment must be completely recycled residual refrigerant, and the effective use of the valuables, the final non-use value of the part should be properly handled, and must not be polluting the environment. To sum up, energy-saving and environment-friendly air conditioners should always implement the principle of "energy saving" and "environmental protection" from design to disposal. Nowadays, people should not only create the seasons like spring living conditions, but also protect the global environment on which they depend for survival and save the limited energy for future generations. Therefore, energy-saving and environment-friendly air-conditioners will replace all ordinary air-conditioners. With the scientific understanding and technological advances, air-conditioning equipment is also changing with each passing day. However, "changing its course", only continue to "energy saving" and "environmental protection" height climb, is the only thoroughfare. References 1. "Work 謦 ō compensation for the rogue? G clamp レ ポ ト Suites" (Daidi Kiko Corporation I) 2. "Chapter 15 of Safety Controllers" [Japanese] Youth Division 3. "Airborne equipment failure and equipment reliability characteristics" (Japan Airbus will be implemented) 4. "Conservative Technology Manager Yuri Life Insurance Management" (Nippon Air & Space Technology Publishing House) 5. "Building a network of low-end network failure 濂 ⅴ # 65379; (Japan's short-listed will be f)