{"id":4437,"date":"2022-01-19T16:50:45","date_gmt":"2022-01-19T07:50:45","guid":{"rendered":"https:\/\/katuhito.info\/?p=4437"},"modified":"2022-01-19T16:50:45","modified_gmt":"2022-01-19T07:50:45","slug":"ma_eacon003","status":"publish","type":"post","link":"https:\/\/katuhito.info\/en\/ma_eacon003\/","title":{"rendered":"Manual air conditioner and auto air conditioner"},"content":{"rendered":"

Manual air conditioner and auto air conditioner<\/strong><\/h3>\n

As shown in Fig. 1, the car air conditioner basically uses the functional parts of the heating device and the cooling device, and the heat exchangers (heater core, evaporator) are housed in the same case for each. The blowout temperature can be controlled not only for heating and cooling but also for intermediate temperatures.<\/p>\n

Therefore, when the temperature is low and the humidity is high, a comfortable environment without a feeling of cooling can be created by lowering the temperature with an evaporator to condense and dehumidify the moisture in the air and warming with a heater core.<\/p>\n

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Figure 1: Air conditioner<\/p><\/div>\n

table of contents<\/strong><\/h4>\n
    \n
  • Classification by control method of car air conditioner<\/a><\/li>\n
  • Classification by the arrangement method of heat exchangers of car air conditioners<<\/a><\/li>\n
  • Basic structure and function of car air conditioner<\/a><\/li>\n
  • Functional parts that make up the air conditioner cycle<\/a><\/li>\n
  • Manual air conditioner<\/a><\/li>\n
  • Auto air conditioner<\/a><\/li>\n
  • Auto air conditioner blowout temperature control system<\/a><\/li>\n
  • Auto air conditioner air volume control system<\/a><\/li>\n<\/ul>\n

    Classification by control method of car air conditioner<\/h4>\n
      \n
    • Manual air conditioner<\/strong><\/li>\n<\/ul>\n

      The set temperature of the air conditioner selects whether to strengthen the heating or cooling function according to the temperature conditions at that time.<\/p>\n

      In the manual air conditioner, the method of strengthening this heating \/ cooling function is adjusted by the temperature setting lever to adjust the blowout temperature.<\/p>\n

        \n
      • Auto air conditioner<\/strong><\/li>\n<\/ul>\n

        When the temperature inside the vehicle is set to the desired temperature, the auto air conditioner automatically corrects the temperature changes inside and outside the vehicle and the effects of solar radiation by the control unit, and controls the temperature inside the vehicle so that it is always kept at the set temperature.<\/p>\n

          \n
        • Return to table of contents<\/a><\/li>\n<\/ul>\n

          Classification by the arrangement method of heat exchangers of car air conditioners<\/h4>\n
            \n
          • Air mix method<\/strong><\/li>\n<\/ul>\n

            As shown in Fig. 2, there is an air mix damper between the evaporator and the heater core, and the amount of air cooled by the evaporator is controlled by the degree of opening of this damper to the heater core side and to the outlet. Then, both airs are mixed in the air mix chamber to adjust the temperature.<\/p>\n

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            Figure 2: Heat exchanger placement method (1)<\/p><\/div>\n

              \n
            • Reheat method<\/strong><\/li>\n<\/ul>\n

              As shown in Fig. 3, all the cold air that has passed through the evaporator flows to the heater core, and the amount of hot water that flows to the heater core is controlled by the water valve, and the temperature is adjusted by how much the cold air is warmed. ing.<\/p>\n

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              Figure 3: Heat exchanger placement method (2)<\/p><\/div>\n

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              • Return to table of contents<\/a><\/li>\n<\/ul>\n

                Basic structure and function of car air conditioner<\/h4>\n

                The figure below shows the positions and roles of typical functional parts that make up the refrigeration cycle of an air conditioner, and how a car air conditioner circulates and cools the refrigerant.<\/p>\n

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                Figure 4: Car air conditioner refrigeration cycle<\/p><\/div>\n

                [:ja]\u30ab\u30fc\u30a8\u30a2\u30b3\u30f3\u306e\u57fa\u790e\u3092\u898b\u76f4\u3059[:en]Review the foundation of car air conditioners[:]<\/a><\/p><\/blockquote>\n