Anti-interference air purifying device
The technology of an air purification device and a purification box, which is applied in the field of air purification, can solve problems such as poor speed stability of exhaust fans, affecting air purification efficiency, quality, and poor reliability of air quality monitoring data, so as to improve work stability, eliminate interference, The effect of improving reliability
Pending Publication Date: 2019-01-29
佛山市高科合创科技有限公司
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Problems solved by technology
[0002] The working stability of existing air purification devices is easily affected by external disturbances such as static electricity, lightning strikes, backfilling, and surges. Influenced by external disturbances such as surges, the speed stability of the exhaust fan is poor; in addition, the air quality monitoring system of the existing air purification device does not consider the influence of electromagnetic interference on the transmission of air quality monitoring data. In the environment of electromagnetic interference, the air quality monitoring data is reliable. Poor performance, easily lead to misjudgment of the air quality monitoring device, directly affect the efficiency and quality of air purification
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[0024] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0025] It should be noted that, in the description of the present invention, the terms "horizontal", "vertical", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, and It is not to indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be cons...
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The invention discloses an anti-interference air purifying device. The anti-interference air purifying device comprises a purifying box, an exhaust system, an air quality monitoring system and an MCU.The purifying box is provided with a plurality of air purifying channels, and each air purifying channel is provided with an exhaust fan. The exhaust system is provided with a constant current driving circuit used for driving the exhaust fans. A plurality of air quality sensors are arranged in the air quality monitoring system. The constant current driving circuit comprises a power supply switchcontrol circuit, a sampling circuit and a constant current mirror circuit which are connected in sequence. A relay control circuit is arranged in the air quality monitoring system and comprises a plurality of power supply relay circuits and a plurality of signal relay circuits. According to the anti-interference air purifying device, the output voltage and current of the exhaust system can be maintained constant in the environment with external interferences such as static electricity, lightning strokes, reverse sinking and surging, and meanwhile the air quality monitoring system can normallycollect air quality monitoring information in an electromagnetic interference environment.
Description
technical field [0001] The invention relates to the technical field of air purification, in particular to an anti-interference air purification device. Background technique [0002] The working stability of existing air purification devices is easily affected by external disturbances such as static electricity, lightning strikes, backfilling, and surges. Influenced by external disturbances such as surges, the speed stability of the exhaust fan is poor; in addition, the air quality monitoring system of the existing air purification device does not consider the influence of electromagnetic interference on the transmission of air quality monitoring data. In the environment of electromagnetic interference, the air quality monitoring data is reliable. Poor performance can easily lead to misjudgment of the air quality monitoring device, which directly affects the efficiency and quality of air purification. Contents of the invention [0003] The main purpose of the present inven...
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IPC IPC(8): F24F3/16F24F11/88G01N33/00F24F110/50
CPCF24F3/16F24F11/88F24F2110/50G01N33/0009Y02B30/70
Inventor 唐浩林袁定胜胡朝霞
Owner 佛山市高科合创科技有限公司
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