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CN-122015983-A - Modularized switching multiple gas flow measuring device

CN122015983ACN 122015983 ACN122015983 ACN 122015983ACN-122015983-A

Abstract

The invention relates to the field of gas flow detection, in particular to a modularized switching multiple gas flow measuring device, which comprises an operation base, a module switching assembly and a positioning butt joint assembly, wherein the upper end of the operation base is movably provided with a movable control box through a lifting assembly, the lifting assembly comprises a plurality of piston guide rods, the upper end of the operation base is horizontally provided with a throttle pipe, the movable control box can move towards the throttle pipe, the upper end of the movable control box is provided with a pressure difference detection module, two switchable modularized pressure difference detection modules are arranged in the movable control box, when different gases are required to be detected, the proper pressure difference detection module can be selected according to the gas attribute required to be detected, then the pressure difference detection module is positioned in the center of the movable control box through the pushing control of a switching telescopic rod, and then the throttle pipe and the pressure difference detection module are quickly structured under the cooperation of the lifting assembly and the positioning butt joint assembly.

Inventors

  • JIAO ANHUA

Assignees

  • 卡图电子(昆山)有限公司

Dates

Publication Date
20260512
Application Date
20260302

Claims (10)

  1. 1. A modular switching multiple gas flow measurement device comprising: The device comprises an operation base (1), wherein the upper end of the operation base (1) is movably provided with a movable control box (2) through a lifting assembly, the lifting assembly comprises a plurality of piston guide rods (11), and the upper end of the operation base (1) is horizontally provided with a throttle pipe (23) so that the movable control box (2) can move towards the throttle pipe (23); the upper end of the movable control box (2) is provided with a differential pressure detection module (5), the module switching assembly is arranged in the differential pressure detection module (5), and the module switching assembly comprises a switching installation groove (6), two differential pressure detection modules (5) and two switching telescopic rods (26), so that the two differential pressure detection modules (5) can be used alternately; The positioning butt joint assembly comprises two butt joint inserting rods (16) at two sides in the movable control box (2), and the butt joint inserting rods (16) are connected with the differential pressure detection module (5).
  2. 2. The modularized switching multiple gas flow measuring device according to claim 1, wherein the centers of two sides of the operation base (1) are vertically provided with support arms (4), one side of the movable control box (2) close to the support arms (4) is provided with two side baffle plates (3), and the two side baffle plates (3) are respectively contacted with two sides of the support arms (4).
  3. 3. The modularized switching multiple gas flow measuring device according to claim 2, wherein the plurality of piston guide rods (11) are vertically and symmetrically arranged at the upper end of the operation base (1), a first piston groove (12) is formed in one side, close to the piston guide rods (11), of the lower end of the movable control box (2), the upper end of the piston guide rod (11) is movably inserted into the first piston groove (12) and provided with a first piston (13), a first spring (14) is arranged at the lower end of the first piston (13), and the first spring (14) is used for adjusting the arrangement of the piston guide rods (11).
  4. 4. The device for measuring the flow of various gases through modularized switching according to claim 3, wherein the operating base (1) is internally provided with an annular shunt groove (20) at the lower end of the piston guide rod (11) horizontally, the upper ends in the annular shunt groove (20) are respectively provided with a jacking air groove (21) penetrating through the piston guide rod (11) and the first piston (13), the annular shunt groove (20) is communicated with the upper ends in the first piston groove (12) through the jacking air grooves (21), and one side in the annular shunt groove (20) is provided with an air source interface (22) penetrating through the operating base (1).
  5. 5. The device for measuring the flow of the plurality of gases through the modularized switching device of claim 4, wherein sliding guide rods (10) are horizontally arranged on two sides of the inner lower end of the switching installation groove (6), openings are formed on two sides of the differential pressure detection module (5), pressure taking pipes (7) are arranged in the openings, and the openings of the pressure taking pipes (7) are upward.
  6. 6. The modularized switching multiple gas flow measuring device according to claim 5, wherein the opening end part of the pressure difference detecting module (5) is provided with a positioning end cover (8) through bolt insertion, the lower end of the positioning end cover (8) horizontally penetrates through a sliding sleeve groove (9), and the pressure difference detecting module (5) movably sleeves two sliding guide rods (10) through the sliding sleeve grooves (9) of the two positioning end covers (8).
  7. 7. The modularized switching multiple gas flow measuring device according to claim 6, wherein the two switching telescopic rods (26) are respectively and horizontally inserted and arranged on two sides of the movable control box (2), the two switching telescopic rods (26) are respectively connected with one sides of the two differential pressure detection modules (5), shielding plates (25) are respectively arranged on one sides of the movable control box (2) on the switching telescopic rods (26), the lower end faces of the shielding plates (25) are flush with the upper end faces of the pressure taking pipes (7), and when the differential pressure detection modules (5) are not used, the shielding plates (25) cover the differential pressure detection modules (5).
  8. 8. The modularized switching multiple gas flow measuring device according to claim 7, wherein the centers of two sides in the movable control box (2) are horizontally provided with second piston grooves (15), the two second piston grooves (15) are respectively communicated with two first piston grooves (12), the butt joint inserted rod (16) is horizontally arranged at the center in the second piston grooves (15), one side of the butt joint inserted rod (16) close to the first piston grooves (12) is provided with second pistons (17), one side of the second pistons (17) is provided with second springs (19), and the second springs (19) are sleeved with the butt joint inserted rod (16).
  9. 9. The device for measuring the flow of the multiple gases through the modularized switching device of claim 8, wherein one side of the butt joint inserted link (16) horizontally penetrates through the second piston groove (15) and is inserted into the switching installation groove (6), the center of one side of the positioning end cover (8) far away from the differential pressure detection module (5) is provided with the butt joint groove (18), one end of the butt joint inserted link (16) extending out of the second piston groove (15) is in a conical structure, and when the differential pressure detection module (5) moves to the inner center of the movable control box (2), one side of the conical structure of the butt joint inserted link (16) is inserted into the butt joint groove (18) of the positioning end cover (8).
  10. 10. The modularized switching multiple gas flow measuring device according to claim 9, wherein the throttle pipe (23) is horizontally lapped at the upper ends of the two supporting arms (4) through the anchor ear, anti-slip patterns are arranged on one side, which is contacted with the supporting arms (4), of the throttle pipe (23), collecting pipes (24) are vertically arranged at the lower ends of the two sides of the throttle pipe (23), butt joint covers are arranged at the lower ends of the collecting pipes (24), when the movable control box (2) is lifted, the two pressure taking pipes (7) of the pressure difference detection module (5) are respectively spliced in the butt joint covers of the two collecting pipes (24), and a compression sealing ring is arranged on one side, which is contacted with the butt joint covers, of the pressure taking pipes (7).

Description

Modularized switching multiple gas flow measuring device Technical Field The invention relates to the field of gas flow detection, in particular to a modularized switching multiple gas flow measuring device. Background The gas flow measurement is to adopt a specific detection principle and equipment to quantitatively measure the volume or the mass of the gas passing through a certain section in unit time, and the gas flow measurement mode is numerous, wherein the differential pressure measurement is a flow detection method based on Bernoulli equation, namely a specific throttling device is arranged in a gas flow pipeline, when the gas flows through a throttling piece, the flow velocity is increased and the static pressure is reduced due to the shrinkage of the flow passage section, and the indirect measurement mode of the gas flow is obtained through the formula conversion by measuring the static pressure difference value of the upstream and downstream of the throttling piece and combining the physical property parameter and the working condition of the gas; the flow measuring device cost adopted in the gas measurement according to the detection of different gases is also different, relatively speaking, the measuring device cost with better corrosion resistance is higher, when detecting to multiple gases, the proper measuring device needs to be selected, and the corrosive gas corrosion measuring device is avoided, but the existing detecting device has single function, and the whole pipeline needs to be disassembled and assembled again to replace the measuring module, so that the operation is complex and inconvenient. Disclosure of Invention The present invention is directed to a modular switching multiple gas flow measuring device, which solves the above-mentioned problems. In order to achieve the above purpose, the invention provides a technical scheme that the device for measuring the flow of various gases in a modularized switching manner comprises: The upper end of the operation base is movably provided with a movable control box through a lifting assembly, the lifting assembly comprises a plurality of piston guide rods, and the upper end of the operation base is horizontally provided with a throttle pipe, so that the movable control box can move towards the throttle pipe; The module switching assembly is arranged in the differential pressure detection module and comprises a switching installation groove, two differential pressure detection modules and two switching telescopic rods, so that the two differential pressure detection modules can be used alternately; The positioning butt joint assembly is arranged on two sides in the movable control box and comprises two butt joint inserted bars which are connected with the pressure difference detection module. Preferably, the centers of two sides of the operation base are vertically provided with a supporting arm, one side of the movable control box, which is close to the supporting arm, is provided with two side blocking pieces, and the two side blocking pieces are respectively contacted with two sides of the supporting arm. Preferably, the plurality of piston guide rods are respectively and vertically symmetrically arranged at the upper end of the operation base, a first piston groove is formed in one side, close to the piston guide rods, of the lower end of the movable control box, the upper end of the piston guide rod is movably inserted into the first piston groove and provided with a first piston, a first spring is arranged at the lower end of the first piston, and the first spring is used for adjusting the piston guide rod. Preferably, the lower end level that is located the piston guide arm in the operation base has seted up annular splitter box, and the jacking air tank has all been seted up to piston guide arm and first piston to annular splitter box inner upper end, and annular splitter box is linked together with the upper end in the first piston tank through jacking air tank, and the air source interface has been seted up to operation base is run through to annular splitter box inner one side. Preferably, sliding guide rods are horizontally arranged on two sides of the lower end in the switching installation groove, openings are formed in two sides of the pressure difference detection module, pressure taking pipes are arranged in the openings, and the openings of the pressure taking pipes are arranged upwards. Preferably, the opening end part of the differential pressure detection module is provided with a positioning end cover in a plugging manner through bolts, the lower end of the positioning end cover horizontally penetrates through the sliding sleeve groove, and the differential pressure detection module is movably sleeved with two sliding guide rods through the sliding sleeve grooves of the two positioning end covers. Preferably, two switching telescopic links are respectively horizontally inserted and arranged on two sides of the movable