Modularized array type air speed and air volume measuring device capable of preventing dust blocking

The utility model discloses an anti-clogging modularized array type wind speed and wind quantity measuring device which comprises a positive pressure header pipe and a negative pressure header pipe, the negative pressure header pipe is installed at the front end of the positive pressure header pipe, measuring ports are installed at the upper ends of the positive pressure header pipe and the negative pressure header pipe, and connecting pipes are symmetrically installed at the left ends and the right ends of the positive pressure header pipe and the negative pressure header pipe. A telescopic pipe is arranged in the connecting pipe, a windward pipe is installed at the outer end of the connecting pipe of the positive pressure header pipe, a leeward pipe is installed at the outer end of the connecting pipe of the negative pressure header pipe, and elastic mechanisms are symmetrically installed between the windward pipe and the positive pressure header pipe and between the leeward pipe and the negative pressure h