空调耗电以及计算

空调耗电以及计算 1. Calculation method of air conditioning power consumption and conversion of refrigeration metering When the continuous improvement of living standards, quality of life consciousness constantly strengthen, household central air-conditioning is not popular of the pursuit of high quality of life, of course, we can not blindly, for it is the most perfect, so we should consider from different angles such as: Budget room size, brand, funding, beautiful decoration the angle, below describes how to calculate and calculation method of power consumption of refrigeration air conditioning heating. Heat production refers to the total amount of heat supplied by an air conditioning system during heating or hot water preparation in units of time, often in units of W and kW. Power consumption (degree) = heating power (KW) * use time (hours); If your home heating power is input power (Watts) 2000, the electricity consumption (degrees) =2000 / 1000 * 24=48; Calculation method of air conditioning refrigerating capacity: One of the cooling capacity is approximately 2000 kcal, converted to international units should be multiplied by 1.162 watts, so a heating should be 2000 kcal * 1.162 = 2324W. The W (Watts) here means the amount of refrigeration, and the cooling capacity of the 1.5 pieces should be 2000 kcal x 1.5 * 1.162 = 3486W. Under normal circumstances, the average amount of heat required by the ordinary room per square meter is 115-145W, and the refrigerating capacity of the living room and dining room is 145-175W per square meter. For example, a family living room with an area of 15 square meters, if the amount of refrigeration required per square meter 160W considerations, then the required air-conditioning cooling capacity is: 160W * 15 = 2400W. Thus, according to the required refrigerating capacity of the 2400W, the KF-25GW type split wall hanging air conditioner with 2500W refrigeration capacity can be purchased. The so-called energy efficiency ratio, also known as coefficient of performance, is the ratio of the amount of refrigeration to the power consumption of an air conditioner. Generally, the energy efficiency ratio of the air conditioner is close to 3 or greater than 3, which belongs to an energy-saving air conditioner. For example, an air conditioner refrigeration capacity is 2000W, rated power consumption of 640W, and another air conditioner refrigeration capacity of 2500W, rated power consumption of 970W. The energy efficiency ratios of the two air-conditioners are respectively: the energy efficiency ratio of the first air conditioner: 2000W/640W=3.125, and the energy efficiency ratio of the second air-conditioners: 2500W/970W=2.58. In this way, through the comparison of the energy efficiency ratio of two air conditioners, it can be seen that the first air conditioner is an energy-saving air conditioner. 2. Calculation method of air conditioning number and area in commercial place How to calculate the choice reference of refrigeration air conditioning air conditioning "the size of the estimated number of horses, refers to the original input power, including the compressor, fan motor and electric control parts, due to the design of different brands of the specific system and electrical differences, the output of the cooling capacity of the cooling capacity calculation with different output power. In general, one of the cooling capacity is approximately 2000 kcal, converted to international units should be multiplied by 1.162, so the cooling capacity of a stress of 2000 kcal = 2324 x 1.162 (W), where w (W) indicates that cooling capacity, 1.5 horse should be 2000 kcal x1.5x1.162 = 3486 (W), to so, according to this situation, the number of horses can determine roughly the air conditioning and refrigeration capacity, under normal circumstances, a 2200W can be called a 2600W, 4500 (W) - 5100 (W) can be called 2 horses, 3200W, 3600W, can be called 1.5 horses. After the refrigerating capacity is determined, the refrigerating capacity can be estimated according to the actual situation of the household, and a suitable air conditioner is selected. A large part of household appliances consumption of cooling capacity, such as television, refrigerator, electric lamps per w (Watts) power consumption of cooling capacity of 1 (W), the direction of windows and doors to consume a certain cooling capacity, the east west window window 150W / m2, 280 / m2, the south window 180W / m2, 100W / North Window m2, as is the roof and Xishai may consider appropriate to increase the cooling capacity. In choosing air conditioning, please according to the above introduction, estimate the amount of refrigeration, so as to choose a satisfactory air conditioner. Commonly used technical terms (1) the meaning of "P": "P" is the abbreviation of power, and the international "watt" refers to the cooling capacity of 1P, about 2500W. For example, "1.5P" means that the refrigerating capacity is 1.5*2500W=3500W; 2P means the refrigerating capacity is 2*2500W=5000W In household air conditioner 1 =2500W=735 1 large horsepower; =2600-2800W; a small =2100-2300W (2) energy efficiency ratio: (EER) the ratio of the refrigerating capacity to the effective input power when the air conditioner is in refrigeration operation under rated working conditions and conditions. EER= cooling capacity / input power, this value can test the performance of air conditioning, the greater the value, the better system matching, air-conditioning performance superior, refrigeration and heating effect better, the power consumption is smaller. (3) the amount of dehumidification: the amount of water that is removed from the confined space, room, or area of a unit of time, called dehumidification. Unit: L / h (L/H) (4) rated voltage: refers to the air conditioning manufacturer in the air conditioner products factory, the product allows the power supply voltage value, or the power supply voltage allowed range of change. (5) noise types: aerodynamic noise, mechanical vibration noise, electromagnetic noise source: fan and compressor noise about 50 dB in scope: indoor, outdoor at 60 decibels. (6) rated power: normal work condition, work, the power consumption is the total allowable power of the air conditioner. Model mark (1) K- room air conditioner; (2) structure form: F- split type room air conditioner; C- window type room air conditioner (3) function code (chanlengxing no code):R- type D- type heat pump; electric heating; electric heating type heat pump assisted BD- (4) nominal refrigerating capacity: the Arabia figure indicates the value of the first two digits of the refrigerating capacity. (5) split type indoor unit structure code: W- outdoor unit (6) improved code name: divided into A, B, C, D, E and so on (7) special function: BP- frequency conversion; Y-- remote control (window only) Such as: KC-32/Y represents a Windows machine, cooling, cooling capacity of 3200W for remote control; KFR-28GW/BP means wall mounted split frequency air conditioner, cooling and heating, cooling capacity of 2800W. What are the factors that determine the size of the air conditioner? A horse is a unit of refrigeration. The use of air conditioning determines the number of horses there are a number of factors, is generally the size, height, housing, sealing the top floor or Xishai etc.. How to choose the size of the household air conditioner? Household central air conditioning is characterized by the amount of cold can be transmitted between the rooms, So if the family chooses a home air conditioner, its size can be configured according to the actual needs of the user. For example: a dual structure of the use of the area of the 250m2 house, 150W/m2 cold quantity calculation, air conditioning and refrigeration cooling capacity configuration: 250x150=37500W, if there is no windows and when Xishai case, such configuration can make you feel the enjoyment of the hotel. But also the initial installation cost. Because of the use of the family, there will be very few also need air conditioning, so as to save cost, "while using the coefficient into account, assuming day in the living room, one or two bedrooms, a kitchen, study activities, night is just the bedroom needs air conditioning, so the whole family supporting a cooling capacity of 15KW households air conditioning can, in other words, is the air conditioner cooling capacity of 15KW can satisfy the following 120m2 always places also need air conditioning. But if the user requires all areas to be rapidly cooled at the same time, then the household air conditioning should be full load selection, with cold 37.5KW amount, such as offices, shopping malls and so on. The same house if the configuration of ordinary household air-conditioning, because every room to go to a large selection of air conditioning, so cold these air conditioning and will be more than a lot of big household air-conditioning, room number, the total quantity of cold will be more power and also will be much larger. So the central air-conditioning can do with a small quantity of cold small power configuration of large quantities and cold apartment layout, what can choose to power small, while the ordinary household air conditioning needs to the election, the total power meter often exceeds the capacity, the total quantity of cold is also a great waste of resources. Specific selection, according to the usual usage and use of professional engineers to carry out type selection of residential air conditioning. Selection of air conditioner size The size of the air conditioner is usually calculated in terms of P. For the traditional fixed speed air conditioning, general common conversion: refrigeration area is 12 1P and up to 17 square metres, heating area of 10 - 11 square meters; refrigeration area is 12 1P and up to 21 square metres, heating area of 13 - 18 square meters; heating and cooling area 1.5P hook 16 - 28 square meters, heating area of 17 - 23 square meters; refrigeration area is 23 2P and Guiji - 30 square meters, heating area of 20 - 22 square meters; refrigeration area is 28 2.5P and Guiji - 35 square meters, heating area of 24 28 square meters; system the cooling area is 33 3P and cabinet - 42 square meters, heating area of 27 square meters - 30. For variable frequency air conditioning, because it is not for a long time in the maximum refrigeration state, it can not be calculated by the maximum cooling capacity of air conditioning. It is generally believed that the amount of 145W to 175W refrigeration per square meter should be chosen. eer The energy efficiency ratio (EER) of the air conditioner is calculated as the refrigerating capacity / cooling input power. The greater the ratio, the higher the EER of the air conditioning. At present, the standard of energy efficiency of the household air conditioner industry in our country was promulgated in 1996, and has been used so far. The minimum energy efficiency ratio of the air conditioner is 2.3. Upcoming new energy efficiency standards for air-conditioning energy efficiency level will be divided into five levels: one is the highest standard, energy efficiency index 3.4; five is the minimum standard; energy efficiency index 2.6. The minimum energy efficiency ratio for different sizes of air conditioners is different: 1P is 2.6, 1P - 3P is 2.5, and 3P is above 2.4. In accordance with this standard, the 1.5P wall mounted air conditioner consumes no more than 1 degrees per hour, and the maximum power consumption of the five stage shall not exceed 1.35 degrees. The international standard of energy efficiency ratio is 3. According to the appliance Association recently on some air-conditioning enterprises statistics, currently about 28% of the air conditioner energy efficiency is not qualified (EER less than 2.6), energy efficiency coefficient EER is greater than 3 of only 7.7%. Four basic principles of buying air conditioners First, the brand is determined Now the air conditioner brand on the market is more, there are domestic, foreign, mostly have their own unique advertising, so that consumers are difficult to choose. In choosing air conditioners, we should select those products with strong strength, high brand awareness and perfect after-sales service. This is based on two considerations, first of all, is to ensure the implementation of after-sales service, because air-conditioning is a large household electrical appliances, after-sales service is very important. According to the relevant provisions of the state, compressors should be guaranteed for 3 years, while the household electrical appliance market competition is almost white hot, some manufacturers tend to survive short, and some 35 years fell. If the enterprise fails, its commitment will naturally be difficult to implement. If blindly buy cheap, enterprises are weak, brand awareness is not high, the product is no end of trouble for the future. Followed by quality considerations, because the strength of enterprises, brand awareness of high air-conditioning, relatively speaking, the quality is relatively stable. Such enterprises not only strong technical force, but also pay special attention to the quality of their own, the quality of such products to buy is guaranteed. Two, pick good businesses Consumers in choosing air conditioning brand, but also decide where to buy. When buying air conditioners, choosing a business is especially important. Because strictly speaking, air conditioning is a semi-finished product, not bought from the shop can be used, but through professional team installation, debugging, you can use. If the installation and debugging is not good, it will bring a series of problems. For example, the air is not clean, the pipe connection is leaking, and the debugging is caused by human failure. These will not only affect the use effect, but also add a lot of trouble. At the same time, manufacturers of many after-sales service measures also require businesses to implement and implement. Therefore, choosing a business is critical. In the choice of the businessmen, insiders suggested that the first to choose those strong, influential in the local businesses, because these businesses operating varieties, sales, general professional installation, commissioning team, the quality of the installation and debugging of security service, customer service is also perfect. Followed by those who choose long-term distribution air-conditioning business, as far as possible not to buy short-term dealers there, because such dealers after-sales service will be greatly reduced. Three, the amount of housing purchased Air conditioning is a large consumption of household appliances, if the choice of power is too small, can not play a role; if the power is too large and waste. Therefore, consumers in the choice of air-conditioning power, the amount of room to buy. First, do not greedy, and some consumers like to buy large air-conditioning, which is undesirable, because in addition to some special factors, the domestic air-conditioning has its range of use. Consumers in the purchase, according to their own room area to choose the type of air conditioning, In general, the following formula can be used to calculate the amount of refrigeration and heat required by the room. Refrigerating capacity, room area * 140W to 180W; room area of heating * 180W to 240W. In addition, should be based on the direction of the room, floor height and sealing degree of appropriate increase or decrease. Two, according to the design of the room, flexible purchase. Some families don't like it, buy a large air conditioning in the living room, in order to save the room, so that not only guarantee the whole room, will cause the waste. Reasonable approach is, should be based on Fangxing, buy some small power air-conditioning, each tube of the house. In this way, on the surface, the initial investment, but in the long run, it is worthwhile. For example, a set of 110 square metres Sanshierting, can buy a cabinet of 2 air conditioning in the living room, as well as insurance can also protect dining room, air conditioning can be divided into a small bedroom. It would be more reasonable to put it in the living room than just a 3 large air conditioner. Four, is the time to choose Buying air conditioners is different from most other home appliances. It has a price that floats up and down as the temperature changes. It is understood that, from October last year to the next year at the end of March is the off-season; from April to September is the peak season and off-season price at around 7%-10%, an air conditioner can be cheap hundreds or even thousands of dollars. In the peak season, the six or seven and 83 months are flourishing. Generally speaking, some manufacturers will adjust their prices according to the sales situation at that time. So, when you buy air conditioning, if you seize the opportunity, you can save a lot of expenses. How to select air conditioning cooling capacity? Select the refrigeration principle is: the cooling load of air conditioner refrigeration capacity should be slightly greater than the room, the room heat load should be taken into account in the front of the room, the walls and roof insulation, and the number of personnel including indoor heat source. For example: a 16 square meters of the bedroom or living room, air conditioner with more capacity? Ordinary room cooling load of the recommended value for the 115145W/m2, take the middle value of 130 W/m2 is calculated, then the cooling load = 130 x 16 = 2080W. Because the actual cooling capacity of air conditioner is 8% lower than the nominal value, nominal capacity therefore chooses the air conditioner must be greater than 2080 / 0.92 = 2260W. The nominal refrigerating capacity of an air conditioner should be about 2300 W. The effect of air conditioning for higher room cooling load should be taken 160180 W/m2. Here, let's mention the relationship between W and 1W=0.86kcal/h (1kcal=1.16W) in the past, using the unit of refrigeration per thousand kcal / h (kcal/h). The power of Japanese air conditioner compressor (HP) used to represent numerical cooling capacity, this is the habit of the past, is not exact, because the factory and the period of product performance coefficient is different, but generally have the following relationship horsepower and refrigerating capacity: 0.5 horses refrigerating capacity 16002000W 0.75 horses refrigerating capacity 18002400W A refrigerating capacity 22002800W 1.5 horses refrigerating capacity 32004000W 2 horses refrigerating capacity 40005000W Calculation and selection of air conditioning number Air conditioning number refers to the input power, Including press, fan motor and electronic control part, because of different brand, its specific system and electrical control design difference, its output refrigeration quantity is different, therefore its refrigeration capacity is calculated by the output power. In general, one of the cooling capacity of large to 2000 kcal, converted to international units should be multiplied by 1.162, so the cooling capacity of a stress of 2000 kcal = 2324 x 1.162 (W), where w (W) indicates that cooling capacity, 1.5 horse should be 2000 x 1.5 x 1.162 = 3486 kcal (W), by analogy, according to this situation, the number of horses can determine roughly the air conditioning and refrigeration capacity, under normal circumstances, 2200W 2600W can be called 1, 4500 (W) - 5100 (W) can be called the 2 horse, 3200W 3600W can be called the 1.5. After the refrigerating capacity is determined, the refrigerating capacity can be estimated according to the actual situation of the household, and a suitable air conditioner is selected. A large part of household appliances consumption of cooling capacity, such as television, refrigerator, electric lamps per w (Watts) power consumption of cooling capacity of 1 (W), the direction of windows and doors to consume a certain cooling capacity, the east window 150W / M 280 / M 2, West windows 2, windows 180W / M 2 South, north windows 100W / M 2, as is the roof and Xishai may consider appropriate to increase the cooling capacity. In choosing air conditioning, please according to the above introduction, estimate the amount of refrigeration, so as to choose a satisfactory air conditioner. Power consumption of air conditioning The power consumption of air conditioning is calculated according to power size: 1P=735 watts, 1.5P=735*1.5, and others in turn. For example, the power consumption of a 2P air conditioner is about 735*2+150 at the time of operation (Note: This 150 represents the sum of the power of the fan inside and outside the air conditioner) and the estimated amount is =1620 watts. This 1620 watt represents: open an hour, air-conditioning power consumption of about 1.6 degrees. 40 square meters of the size of the living room air conditioning 1P=0.735kW "Horse" is a power unit, which means a horse power: a horse power =750W. For household air conditioners, the "horse" means the input power. Converted to our customary W represented by output power. A "horse" is equivalent to 2200W--2600W. Therefore, it is too thick to measure with a horse, and there is the so-called "big one horse" and "one small horse". Generally speaking, a "horse" means the amount of refrigeration is 2300-2500w. The approximate input power is about 800W. 4500 (W) - 5100 (W) can be called 2 horses, 3200W, 3600W, can be called 1.5 horses. So 40 square meters of living room, 2 horses enough. How much air conditioning should be used to calculate the room area?: 1P:11-17 1.25P:18-23 1.5P:18-25 square meters 2P:30-33 square meters square meters 3P:40-45 square meters 5P:60 square meters 10P:100 square meters. Attention: the room is too big, the temperature is not good, the air conditioning power is not enough. 10 =1P per person. //by Questioning people questioning, 2009-09-23 19:11 attention is "commercial sites."" Answer 2009-09-23, at 19:18, you can calculate the amount of refrigeration and heat you need in a room according to such a formula: Refrigerating capacity = room area * (125W-215W) Heat = room area * (200W-280W) According to this formula, in general, 11-17 square meters of the room with a suitable air conditioning; 18-23 square meters room for 1.25 air conditioning; 18-25 square meters room for 1.5 air conditioning; 30-33 square meters room for 2 air conditioning; 40-45 square meters room for 3 air conditioning; 60 square meters room suitable for 5 air conditioning and so on. In the specific purchase of air-conditioning, but also according to the pattern of the room, the direction, floor height, the number of members of the family, the use of household appliances, as well as the amount of heat generated by the sun radiation and so on. Energy efficiency label prompt energy-saving effect