The composition and principle of the air conditioning system, the principle of the air conditioner a

The structure of the air conditioning system.

1.Refrigeration pump 2Fan coil unit 3Expansion tank 4Cooling water tower 5Cooling pump 6Condenser 7Evaporator.

1) Refrigeration unit.

It is used to dehumidify the circulating water leading to each room through the heat exchange within the unit and turn it into "chilled water".

2) Cooling towers.

It is used to receive the water with heat from the cooling pump, and after cooling, it provides cooling water for the chiller.

3) External heat exchange system.

The external heat exchange system consists of a chilled water circulation system and a cooling water circulation system. Among them, the function of the chilled water circulation system is to send the chilled water flowing out of the chilled unit into the chilled pipeline through the refrigeration pump, and carry out heat exchange in each room to reduce the temperature in the room; The function of the cooling water circulation system is to send the cooling water through heat exchange to the water tower by the cooling water pump, cool and dehumidify in the water tower, and then send it back to the refrigeration unit, so that it is continuously circulated and takes away the heat released in the refrigeration unit.

4) Cooling fan.

There are two kinds of cooling fans: indoor fans and cooling tower fans: indoor fans are installed in the room that needs to be cooled, and are used to blow the cold air cooled by chilled water into the room, accelerate the flow of air in the room, and make the cooling speed in the room faster and the temperature uniform; The cooling tower fan is used to cool the spray water entering the cooling tower, and the flow rate of the wind is generated by the fan, which dissipates heat into the atmosphere, so that the temperature of the water entering the tower is rapidly reduced.

1. The principle of air conditioningAfter the air conditioner is energized, the low-pressure steam of the refrigerant in the refrigeration system is sucked in by the compressor and compressed into high-pressure steam and discharged to the condenser, and the indoor air is continuously circulated to achieve the purpose of reducing the temperature. The heating principle is that the indoor coil of the original refrigeration evaporator becomes the condenser during heating, so that the refrigeration system absorbs heat from the outside and releases heat from the interior to achieve the purpose of heating.

2. The structure of the air conditionerThe structure of the air conditioner includes: compressor, condenser, evaporator, four-way valve, check valve capillary assembly, etc. The working process of an interdental volume pair specified in an air conditioning compressor.

The gas on the side of the cathode and anode screw is compressed, and this side is called the high-pressure area; Instead, the screws are turned to the side that is detached from each other, and the interdental volume expands and is in the suction phase, which is called the low-pressure zone.

Heating settings for air conditioners:The optimal temperature for air conditioning temperature settings in winter is 20. A moderate indoor temperature is not only good for your health, but also prevents the air conditioner from overloading.

Use a low windshield just when heating the machine, and switch to a medium windshield after half an hour.

The structure of the air conditioner includes: compressor, condenser, evaporator, four-way valve, check valve capillary assembly, etc.

1. Compressor.

The working process of an interdental volume pair specified in an air conditioning compressor. The gas on the side of the cathode and anode screw is compressed, and this side is called the high-pressure area; Instead, the screws are turned to the side that is detached from each other, and the interdental volume expands and is in the suction phase, which is called the low-pressure zone.

2. a condenser.

The compressor sucks in the working fluid steam with lower pressure from the evaporator, sends it to the condenser after the pressure rises, condenses into a liquid with higher pressure in the condenser, throttles through the throttle valve, becomes a liquid with lower pressure, and sends it to the evaporator, and absorbs heat in the evaporator to become steam with lower pressure, so as to complete the refrigeration cycle.

3. an evaporator.

The evaporator is the inside of the indoor unit, which is composed of tubes and fins. A device that concentrates a solution by heating or precipitates grains from a solution. It is mainly composed of two parts: heating chamber and evaporation chamber.

4. Four-way valve.

A four-way valve, the term for a hydraulic valve, is a control valve with four oil ports. The four-way valve is an indispensable part of the refrigeration equipment, and its working principle is that when the solenoid valve coil is in a power-off state, the pilot spool valve moves left under the drive of the compression spring on the right side, and the high-pressure gas enters the capillary tube and enters the piston cavity at the right end.

On the other hand, the gas of the piston cavity at the left end is discharged, and due to the pressure difference between the two ends of the piston, the piston and the main spool valve move to the left, so that the exhaust pipe is connected with the outdoor unit pipe, and the other two pipes are connected to form a refrigeration cycle.

5. Capillary assembly.

Capillary assemblies include capillary and check valves. Among them, the check valve is widely used in the outdoor unit of the air conditioner, which is composed of an auxiliary capillary and a check valve, and the check valve components of different models of the air conditioner are similar.

Air conditioners are divided into single cooling air conditioners and cold and warm air conditioners, the working principle is the same, and most of the refrigerants used in air conditioners before were freon. The characteristic of Freon is that when it changes from a gaseous state to a liquid state, a large amount of heat is released.

When the liquid state changes from a gaseous state, it absorbs a large amount of heat. (i.e., first absorbing heat and gasification and then liquefiing and heat release) air conditioners are designed according to this principle.

The compressor compresses the gaseous refrigerant into a gaseous refrigerant with high temperature and high pressure, and then sends it to the condenser (outdoor unit) to dissipate heat and becomes a liquid refrigerant at room temperature and high pressure, so the outdoor unit blows hot air.

Then to the capillary, into the evaporator (indoor unit), because the refrigerant from the capillary to the evaporator after the space suddenly increases, the pressure decreases, the liquid refrigerant will vaporize, into a gaseous low-temperature refrigerant, thereby absorbing a lot of heat, the evaporator will become cold, the fan of the indoor unit will blow the indoor air from the evaporator, so the indoor unit blows out of the cold air; When the water vapor in the air meets the cold evaporator, it will condense into water droplets and flow out down the water pipe, which is why the air conditioner will produce water.

Air conditioners are divided into single cooling air conditioners and cold and warm air conditioners, the working principle is the same, and most of the refrigerants used in air conditioners before were freon. The characteristic of Freon is that when it changes from a gaseous state to a liquid state, a large amount of heat is released.

When the liquid state changes from a gaseous state, it absorbs a large amount of heat. (i.e., first absorbing heat and gasification and then liquefiing and heat release) air conditioners are designed according to this principle.

The compressor compresses the gaseous refrigerant into a gaseous refrigerant with high temperature and high pressure, and then sends it to the condenser (outdoor unit) to dissipate heat and becomes a liquid refrigerant at room temperature and high pressure, so the outdoor unit blows hot air.

Then to the capillary, into the evaporator (indoor unit), because the refrigerant from the capillary to the evaporator after the space suddenly increases, the pressure decreases, the liquid refrigerant will vaporize, into a gaseous low-temperature refrigerant, thereby absorbing a lot of heat, the evaporator will become cold, the fan of the indoor unit will blow the indoor air from the evaporator, so the indoor unit blows out of the cold air; When the water vapor in the air meets the cold evaporator, it will condense into water droplets and flow out down the water pipe, which is why the air conditioner will produce water.

There is a component called the four-way valve during heating, so that the flow direction of the refrigerant in the condenser and evaporator is opposite to that of refrigeration, so when heating, the outdoor air blows cold air, and the indoor unit blows hot air.

Ceiling air conditioner, the internal structure, and how each element works!

It is to use the principle of heat release during refrigerant liquefaction and heat absorption during evaporation, input power through the compressor, and the compressor exerts pressure on the refrigerant, so that the refrigerant vapor entering the compressor is compressed and absorbed heat, and the refrigerant flows into the condenser through the exhaust pipe, and the refrigerant gas at high temperature and high pressure is condensed into liquid after heat release, and then depressurized through the capillary tube and flows into the evaporator, and the refrigerant vaporizes and evaporates in the evaporator, absorbing heat from the outside to achieve the role of cooling space. The air conditioner is composed of four major components: compressor, condenser, throttling device, (capillary) and evaporator, which repeatedly absorb heat and release heat, compress and condense to complete the functions of refrigeration and heating.

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The composition of the air conditioning system, the following is my personal experience, I hope to help you The structure of the air conditioner is generally composed of the following four parts: 1. The refrigeration and cooling system of the air conditioner is the refrigeration and cooling part of the air conditioner, which is composed of a refrigeration compressor, condenser, capillary, evaporator, electromagnetic reversing valve, filter and refrigerant.

2. Air path system: It is the part of the air conditioner that promotes the heat exchange of the room air, which is composed of centrifugal fans, axial fans and other equipment. 3. Electrical system:

It is the part of the air conditioner that promotes the safe operation of the compressor and fan and the temperature control, which is composed of an electric motor, a thermostat, a relay, a capacitor and a heater. 4. Box and panel: It is the frame of the air conditioner, the supporting seat of each component and the guiding part of the airflow, which is composed of the box, the panel and the louver grid.

An air conditioning system usually consists of the following main components:

1.Compressor: The compressor is the core component of the air conditioning system and is responsible for compressing and delivering the refrigerant to the condenser and expansion valve.

2.Condenser: A condenser is a device that converts the high-altitude Bithermal and high-pressure gas generated during the compression of the refrigerant into a liquid. Its role is to release heat from the refrigerant to reduce the pressure and temperature of the refrigerant.

3.Expansion valve: An expansion valve is a throttling device in an air conditioning system that is responsible for regulating the flow of refrigerant. Through the expansion valve, the refrigerant enters the evaporator under high pressure and low temperature to achieve the cooling of the indoor air.

4.Evaporator: An evaporator is a device used in an air-conditioning system to absorb indoor heat and convert it into refrigerant vapor. The refrigerant absorbs indoor heat in the evaporator, causing the indoor temperature to decrease.

5.Fan or blower: A fan or blower is responsible for delivering cold or hot air from an evaporator to the room to raise or lower the temperature of the indoor air.

6.Controller: The controller is responsible for controlling the operation of the air conditioning system, including temperature setting, mode selection, wind speed adjustment, etc. Modern air conditioning systems often use microprocessors or other advanced electronics to accomplish these functions.

7.Pipes and connectors: The refrigerant of an air conditioning system flows between the various components and needs to be achieved through pipes and connectors. These parts are usually made of copper or other durable materials.

8.Indoor unit or outdoor unit: Indoor unit is an air-conditioning device installed indoors, which is responsible for delivering cold or heating to the room; The outdoor unit is installed outdoors and is responsible for the compression, condensation and expansion of the refrigerant.

The design and construction of air conditioning systems vary from brand to brand and model, but the above components are often the core components of an air conditioning system.

The air conditioning system is composed of multiple components of Douwang, which generally includes the following main parts:

Compressor: The compressor is one of the core components of the air conditioning system, and its function is to inhale the low-temperature and low-pressure refrigerant and compress it into a high-temperature and high-pressure gas through compression.

Evaporator: The evaporator is another key component in the air conditioning system, which cools and releases the cold energy by cooling the high-temperature and high-pressure gas refrigerant, so that the temperature of the indoor air is reduced.

Condenser: The condenser is to heat the refrigerant that absorbs heat through the evaporator again and turn it into a high-temperature and high-pressure gas, and at the same time dissipate the heat generated into the outdoor air through the radiator.

Expansion valve: The expansion valve is one of the control components in the air conditioning system, which is used to control the flow speed, pressure and temperature of the refrigerant, so as to adjust the refrigeration effect of the air conditioner.

Control system: The control system is an intelligent control part of the air conditioning system, which detects the temperature of the indoor air through the built-in temperature sensor, and automatically controls the start and stop, operation mode and tuyere control of the air conditioner according to the temperature, wind speed and other parameters set by the user.

Ducts and air ducts: Ducts and air ducts are responsible for delivering hot and cold air to the room, and do not function in the space to circulate, filter and purify air.

The above are the main components of an aircon system, and different types of aircon equipment may vary.

a) Composition of the ventilation system.

The composition of the ventilation system generally includes: air intake treatment equipment, such as air filters, heat and humidity treatment equipment and air purification equipment; supply or exhaust fans; Air duct system, such as air duct, valve components, air supply and exhaust outlets, exhaust hoods, etc.; Exhaust gas treatment equipment, such as dust collectors, hazardous object purification equipment, hoods, etc.

2) Composition of the air-conditioning system.

1.Air handling equipment: It is a device that heats or cools the air, humidifies or removes the land humidity, and purifies the air.

It mainly includes combined air conditioning units, fresh air units, fan coil units, air heating devices, variable air volume terminal devices, unit air conditioners, etc. The combined air conditioning unit is generally composed of a new return air mixing section, a filtration section, a cooling section, a heating section, a humidification section, and an air supply section. The fan coil unit is mainly composed of a fan, a heat exchange coil and a filtration device.

At present, the variable air volume terminal device often adopts several types of series and parallel fan power type and single air duct throttling type.

2.Air conditioning cold and heat sources: Commonly used heat sources generally include hot water, steam boilers, electric boilers, heat pump units, electric heaters in series, etc.

The cold source of air conditioning includes natural cold source and artificial cold source, and the natural cold source uses natural ice and low-temperature deep well water to refrigerate. At present, the commonly used cold source equipment includes two categories: electric compression type and lithium bromide absorption refrigeration unit.

3.Ancillary equipment of air conditioning cold and heat source: including cooling tower, water pump, heat exchange device, heat storage and cold storage device, softened water device, water collector and distributor, purification device, filtration device, constant pressure and stabilizing device, etc.

4.Air conditioning system: It is composed of a fan and an air duct system.

Fans include supply air, return air, exhaust fans, commonly used fans are centrifugal and axial flow type. Century Star introduced that the air duct system includes: ventilation duct (including soft air pipe), various valve components (regulating valve, fire damper, muffler, static pressure box, filter, etc.), terminal tuyere, etc.

5.Air conditioning water system: It is composed of chilled water disturbance land, condensate water, cooling water system pipes, soft connections, various valve components (valves, electric valves, safety valves, filters, compensators, etc.), instrumentation, etc.

6.Control and regulation devices: including pressure sensors, temperature sensors, temperature and humidity sensors, air quality sensors, flow sensors, actuators, etc.