电冰箱-直冷与风冷区别（Refrigerator direct cooling and air
cooling difference）
1, according to refrigeration classification: Motor compression type, absorption type, electromagnetic oscillation type and miconductor type refrigerator
2, according to the cold air in the refrigerator transfer way classification: direct cooling and indirect cooling is also called frost and air-cooled or frost free type air cooling or forced circulation type refrigerator
3, according to the shape of the structure: single door, double door refrigerator classification and refrigerators
4, according to the climate and environment temperature classification when the refrigerator is ud: subtemperate type (SN) climate environment temperature is 10-32 degrees中秋节手抄报题目>yytc
Temperate climate (N) temperature is 16-32 degrees (ST) subtropical climate temperature 18- 38
英语字典Tropical type (T) climate environment temperature is 18-34 degrees; Shenzhen area is ud in sub tropical type (ST),
Two, refrigerator structure:
Mainly compod of refrigeration system, electrical control system, box and accessories
hard新加坡南洋理工学院And with other devices: 1 freezing device; 2 air supply device;
3 temperature control device;世界最好工作
marginal4 compressor running device;
5 defrosting device;
6 box;
7 other device.
The refrigeration system is compod of a compressor, a condenr, a filter, a capillary tube and an evaporator.
The refrigeration principle of refrigerator is introduced
2012年考研英语作文
Compression type refrigerator refrigeration principle is: when the liquid refrigerant flowing into the evaporator, in the evaporator evaporation, absorb a lot of heat air and food in the box, so that the temperature decread rapidly, while the refrigerant into a low temperature and low pressure gas, compressor suction, and compresd into high temperature and high pressure gas. After the gas enters the condenr and nds a large amount of heat to the space in the outer part of the box, the liquid is condend into high pressure and normal temperature liquid, and the dirt and the water are filtered out by a dry filter,
After capillary throttling, it becomes a low pressure liquid refrigerant and enters the evaporator again so that it can realize continuous refrigeration.
The cycle can be summed up as compression, condensation, throttling, evaporation, and four process.
1. Air cooling: it is the way to cool the cooling air and the freezing chamber by the forced circulation of the fan which is hidden in the evaporator of the refrigerating chamber. Therefore, it is also called indirect cooling type.
2, direct cooling type: the evaporator of the cooling pipe were placed in the refrigerator freezer, the o
pposite of the freezer, also expod in the fridge, freezer, in the process of using the air inside the evaporator absorbs heat in the proportion of change, the natural convection of the air, so as to achieve the overall cooling.
3, direct cooling refrigerator contrast: direct cooling refrigerator has the advantages of simple structure, low cost, less power consumption, food freshness is good, but often have to defrost; indirect cool refrigerator temperature has a wide range, fast cooling speed, low freezing temperature, no need to defrost, easy to u, the structure is relatively complex the price is higher, the power consumption is relatively large, air dry food. Answer: hagkj | four | 2010-12-27 21:53
According to the type of refrigerator, there are three main categories, which are classified by the cooling method in the refrigerator, classified according to the u of refrigerators, and classified according to the climate and environment.
1. Classify by the way of cooling in refrigerator
Air conditioner forced circulation type: also known as indirect cooling (air cooling) or frost free refrigerator. A small fan is arranged in the refrigerator, and the air in the box is forced to flow. Therefore, the temperature in the box is uniform, the cooling speed is fast, and the u is convenient.
But becau of defrosting system, the power consumption is slightly larger and the manufacture is relatively complicated.
Air conditioning natural convection type: also called direct cooling or frost refrigerator. The refrigerating chamber is directly formed by an evaporator, or an evaporator is arranged in the refrigerating chamber, and an evaporator is arranged at the upper part of the refrigerating chamber, and the heat is absorbed directly by the evaporator
Line cooling. The refrigerator has relatively simple structure and small power consumption, but the temperature is not good, and the u is relatively inconvenient.
Air conditioning forced circulation and natural convection combined u: this type of refrigerators in recent years more new products, mainly at the same time, regardless of the advantages of the wind and direct cold refrigerators.
2, according to refrigerator classification
Freezer: at least one compartment of this type of refrigerator is a refrigerated room for storing frozen foods. The temperature should be kept above 0 degrees celsius. But this type of refrigerator can hav
e a cooling room, an ice making room, a frozen food storage room, an ice greenhou, but it doesn't have a freezer.
This type of refrigerator freezers: at least one chamber for the refrigerating chamber, a chamber for freezing chamber.
This type of refrigerator freezers: at least one refrigerating room, and according to the provisions of food storage, a frozen
food storage room.毛骨悚然
3, the refrigerator according to the climate environment is divided into subtemperate type (SN), (ST), tropical subtropical type (type T). Answer: a three | souke | 2010-12-27 21:55
What sort of classification do you want to ask? Answer: wayneford | four | 2010-12-27 22:46
2+3 is more comprehensive
二次函数顶点公式
There are added according to the temperature classification generally houhold is 4 (1 star =6 4 = 24 degrees below zero) there is special is blood for there is a general contact automotive industry aerospace industry to answer: cloud Yi Wen Hui Ke | five | 2010-12-28 01:55
Classification refers to what answer: Xiao Xiao 1599 | two | 2010-12-28 10:28
1. classification by cooling method in refrigerator
Air conditioner forced circulation type: also known as indirect cooling (air cooling) or frost free refrigerator. There is one in the refrigerator
Small fan forced air flow in the box, so the temperature in the box is even, the cooling speed is fast, and the u is convenient.
