Ventilation system
A technology of ventilation system and ventilation device, applied in ventilation systems, heating and ventilation control systems, heating and ventilation safety systems, etc., can solve the problems of decreasing oxygen concentration, exceeding the concentration of harmful gases, and failing to ensure the personal safety of construction workers.
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[0030] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0031] Such as figure 1 As shown, the embodiment of the present invention proposes a ventilation system, which includes: at least one monitoring device 1, a control device 2 and a ventilation device 3, the monitoring device 1 is used to monitor the gas concentration at a predetermined position; the control device 2 and the monitoring device The device 1 is connected to receive the gas concentration signal monitored by the monitoring device 1, and generate a control command according to the received gas concentration signal; the ventilation device 3 is connected to the control device 2, and performs ventilation work according to the control command of the control device 2 ; When the gas concentration monitored by the monitoring device 1 is lower than the first preset concentration value, the control device 2 controls the ventilation device 3 to...
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