В последнее время наибольшее распространение получили двухкамерные холодильники



Дата21.11.2020
өлшемі2.17 Mb.

Fridge

Group 109

prepared by: Kuanishbekova O.

Accepted: Chakibaeva A.

A refrigerator is a device that maintains a low temperature in an insulated chamber. It is usually used for storing food or items that require storage in a cool place (medicines, cosmetics). A household refrigerator is available in almost every household. A household refrigerator is currently in use.

1913 - The first compression household refrigerator was produced. Advertising of the first production refrigerator in 1915. Alfred Mellouz developed a model that was already a stand-alone design with a compressor


1926 - DANISH ENGINEER CHRISTIAN STINSTROUP PRESENTED TO THE WORLD a SILENT, HARMFUL and LONG-LASTING refrigerator, DESIGNED EXACTLY FOR THE HOME. THE SEALING CAP HIDDEN THE REFRIGERATOR ELECTRIC MOTOR AND ITS COMPRESSOR.

In the USSR, the first household refrigerator was made only in 1939 at the Kharkov Tractor Plant.


There are also industrial refrigerators, the volume of the working chamber of which can reach tens and hundreds of cubic meters, they are used, for example, in catering establishments, meat processing plants, industrial production

Refrigerators


medium-temperature

storage chambers

low temperature freezers

В последнее время наибольшее распространение получили двухкамерные холодильники,

В последнее время наибольшее распространение получили двухкамерные холодильники,

включающие в себя оба компонента


Recently, the most widespread are two-compartment refrigerators, which include both COMPONENTS

Типы холодильный агрегатов по принципу действия

1. Компрессионный


Types of refrigeration units according to the principle of operation

1. Compression


2. Absorption

3. Thermoelectric

4. With vortex coolers

The main components of the refrigerator.

  • 1) a compressor that creates the required pressure difference;

2) an evaporator that takes heat from the inner volume of the refrigerator;

3) a condenser that gives off heat to the environment;

4) a thermostatic valve that maintains a differential pressure;

5) refrigerant - a substance that transfers heat from the evaporator to the condenser

Precautions

  • 2. Do not touch the refrigerator and metal sink or stove at the same time to avoid electric shock.

1. There may be toxic refrigerant inside the refrigerator. Do not pierce the tubing inside the freezer or break the back grill. Do not use a knife to scrape off the ice inside the refrigerator compartment.

Interesting facts about the refrigerator

  • Microbiologists have found that the refrigerator is the dirtiest place in the apartment. It contains an average of 11.4 million microbes per square centimeter of inner surface. For comparison, 1 sq. cm of the floor contains 10 thousand germs, on the surface of the desk - 7 thousand, on the keyboard of the home computer 500, and on the seat in the toilet - only 100.

Interesting facts about the refrigerator

  • Not so long ago, an unusual refrigerator with a size of only 19.5x9x8 cm appeared, powered by a USB port. This mini fridge can hold a can of cola or juice and chill

Interesting facts about the refrigerator

  • . From spring to autumn, fur coats are stored in special "fur refrigerators". This protects fur coats from moths. But such refrigerators are usually found at fur factories or pawnshops.


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