Electric protection ventilation fan
The invention relates to an electric protection ventilation fan, and relates to the technical field of protection articles. The electric protection ventilation fan comprises a shell, wherein the shelland an external protection article are detachably assembled, the external protection article is prov...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention relates to an electric protection ventilation fan, and relates to the technical field of protection articles. The electric protection ventilation fan comprises a shell, wherein the shelland an external protection article are detachably assembled, the external protection article is provided with a gas exchange opening, and the shell is provided with an air inlet and an air outlet; anair inlet port, wherein the air inlet port and the air inlet of the shell are detachably assembled; a ventilation structure, wherein the ventilation structure is arranged in the shell and fixedly installed on the inner wall of the shell, and the ventilation structure is used for discharging gas inside the protection article outwards; a control assembly, wherein the control assembly is arranged inthe shell and located between the ventilation structure and the inner wall of the shell, the control assembly is connected with the ventilation structure, and the control assembly is used for controlling the ventilation struct |
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