Gas production negative-pressure equipment and gas detection system
A gas detector and equipment technology, applied in the field of communication, can solve problems such as low sampling rate and inability to control gas sampling by gas detectors, and achieve the effect of increasing the sampling rate
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[0029] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
[0030] The embodiment of the present invention provides a preferred gas extraction negative pressure equipment, such as figure 1 As shown, it includes: a controller 102 , a solenoid valve array 104 and a vacuum pump 106 . The structure will be specifically described below.
[0031] 1) The controller 102 is configured to generate a control signal for controlling the solenoid valve array according to the received electrical signal;
[0032] 2) The solenoid valve array 104 is connected to the controller 102 and the vacuum pump 106 respectively, and is used to open different combinations of solenoid valves according to the control signal to control the flow rate of the vacuum pump.
[0033] In the abo...
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