A blower assembly with an auxiliary damper

Abstract

The invention discloses an air blower assembly with a subsidiary air door. The air blower assembly comprises an air blower and a shell body, wherein the shell body is provided with an external circulation air inlet and an internal circulation air inlet and is internally and movably provided with an air door shaft, the air door shaft is composed of an outer shaft, an inner shaft and an inner shaftdriving part, the outer shaft is connected with an internal and external circulation air door, the inner shaft is connected with the subsidiary air door, the middle of the internal and external circulation air door is provided with a gap, and the subsidiary air door can exactly penetrate through the gap to rotate. The air blower assembly with the subsidiary air door has the advantages that two traditional automotive air conditioning modes of pure external circulation and pure internal circulation can be realized, the mode of simultaneous internal circulation and external circulation can also be realized, under the mode of the simultaneous internal circulation and external circulation, air supplying is performed on the air blower by external fresh air and automotive internal returning air simultaneously, and the air supplying quantities of the external fresh air and the automotive internal returning air are even, the situation that the air supplying quantity of one is too much and the air supplying quantity of the other one is too little will not appear, from this, a better air flow conditioning effect can be realized, the air conditioning load is effectively reduced, the freshnessof the air inside an automotive is maintained, and the refrigeration (heating) efficiency is further guaranteed at the same time.

Description

technical field [0001] The invention relates to the field of automobile air conditioners, in particular to a blower assembly with an auxiliary damper. Background technique [0002] Automobile air conditioning is used to adjust and control the temperature, humidity, air cleanliness and air flow in the car compartment to the best state, provide a comfortable riding environment for the occupants, reduce travel fatigue; create good working conditions for the driver, and A ventilation device that plays an important role in ensuring safe driving. Generally include refrigeration equipment, heating equipment and ventilation equipment. [0003] Among them, the ventilation device is mainly used to control the internal circulation and external circulation of the car. The internal circulation means that the wind blown by the blower only circulates inside the car. Since there is no external air involved, it has the advantages of fuel saving and fast cooling (heating). The disadvantage ...

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a blower assembly with a secondary damper, which solves the defect that the traditional automotive air conditioner can only choose one mode of internal circulation or external circulation

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