Search

CN-224231031-U - Novel accurate screw thread formula gas mass flowmeter

CN224231031UCN 224231031 UCN224231031 UCN 224231031UCN-224231031-U

Abstract

The utility model provides a novel precise threaded gas mass flowmeter, which relates to the technical field of gas flow metering and comprises a gauge stand, wherein a gauge head shell is fixedly connected to the surface of the gauge stand, an external connector is fixedly connected to the surface of the gauge head shell, a threaded connector A is fixedly connected to the surface of the gauge stand, a threaded connector B is fixedly connected to the surface of the gauge stand, four mounting fixing holes are formed in the lower surface of the gauge stand, a diversion hole is formed in the inner wall of the gauge stand, a pressure sensor and a flow sensor are mounted in a cavity of the gauge stand, the pressure sensor and the flow sensor are fixedly welded to the surface of a mounting plate, the mounting plate is fixedly connected with the gauge stand, and a detection air inlet hole and a detection air exhaust hole are formed in the inner wall of the gauge stand. The utility model solves the problems that the existing gas flowmeter needs temperature and pressure compensation, has large measurement error, unstable data, small measuring range, single measurement and limitation, and can cause inaccurate measurement result data.

Inventors

  • LI XIANGRONG

Assignees

  • 广州靖川精密科技有限公司

Dates

Publication Date
20260512
Application Date
20250612

Claims (6)

  1. 1. The novel precise threaded gas mass flowmeter is characterized by comprising a meter seat (1), wherein a meter head shell (19) is fixedly connected to the surface of the meter seat (1), an external connector (17) is fixedly connected to the surface of the meter head shell (19), a threaded connector A (10) is fixedly connected to the surface of the meter seat (1), a threaded connector B (13) is fixedly connected to the surface of the meter seat (1), four mounting fixing holes (26) are formed in the lower surface of the meter seat (1), a diversion hole (2) is formed in the inner wall of the meter seat (1), a pressure sensor (7) and a flow sensor (8) are mounted in a cavity of the meter seat (1), the pressure sensor (7) and the flow sensor (8) are fixedly welded to the surface of a mounting plate, the mounting plate is fixedly connected with the meter seat (1), and a detection air inlet hole (3) and a detection exhaust hole (4) are formed in the inner wall of the meter seat (1).
  2. 2. The novel precise threaded gas mass flowmeter according to claim 1, wherein the inner wall of the gauge stand (1) is provided with a pipeline air inlet hole (5) and a pipeline air outlet hole (6), the pipeline air inlet hole (5) is communicated with the detection air inlet hole (3), the pipeline air outlet hole (6) is communicated with the detection air outlet hole (4), the pipeline air inlet hole (5) and the pipeline air outlet hole are communicated with the cavity of the diversion hole (2), the pipeline air outlet hole (6) is communicated with the cavity of the threaded connector A (10), and the pipeline air inlet hole (5) is communicated with the cavity of the threaded connector B (13).
  3. 3. The novel precise threaded gas mass flowmeter according to claim 1, wherein a display panel (18) is fixedly connected to the surface of the gauge outfit housing (19), a display interface (20) is fixedly connected to the inner wall of the display panel (18), and a key a (22), a key B (23) and a key C (24) are fixedly connected to the surface of the display panel (18).
  4. 4. The novel precise threaded gas mass flowmeter according to claim 1, wherein a spare battery pack case (27) is fixedly connected to the surface of the gauge outfit case (19), 3.6V spare battery (30) is detachably mounted on the surface of the gauge outfit case (19), the 3.6V spare battery (30) is located on the inner wall of the spare battery pack case (27), the 3.6V spare battery (30) is electrically connected with the display panel (18), and the 3.6V spare battery (30) is electrically connected with the pressure sensor (7) and the flow sensor (8).
  5. 5. The novel precise threaded gas mass flowmeter according to claim 4, wherein six screws a (12) are screwed on the inner wall of the mounting plate, six screws a (12) are screwed with the gauge stand (1), two screws B (15) are screwed on the inner wall of the gauge stand housing (19), two screws B (15) are screwed with the gauge stand (1), four screws C (21) are screwed on the inner wall of the display panel (18), four screws C (21) are screwed with the gauge stand housing (19), eight screws D (25) are screwed on the inner wall of the gauge stand (1), four screws D (25) are screwed with the screwed joint a (10), four screws D (25) are screwed with the screwed joint B (13), four screws E (28) are screwed on the inner wall of the battery pack case (27), and four screws E (28) are screwed with the gauge stand housing (19).
  6. 6. The novel precise threaded gas mass flowmeter according to claim 4, wherein the inner wall of the gauge stand (1) is fixedly connected with a sealing ring A (9), the sealing ring A (9) is located between the gauge stand (1) and the mounting plate, the surface of the gauge stand (1) is fixedly connected with a sealing ring B (11), the sealing ring B (11) is located between the gauge stand (1) and the threaded joint A (10), the surface of the gauge stand (1) is fixedly connected with a sealing ring C (14), the sealing ring C (14) is located between the gauge stand (1) and the threaded joint B (13), the surface of the gauge stand (1) is fixedly connected with a sealing ring D (16), the sealing ring D (16) is located between the gauge stand (1) and the gauge head shell (19), the surface of the backup battery pack shell (27) is fixedly connected with a sealing ring E (29), and the sealing ring E (29) is located between the backup battery pack shell (27) and the gauge head shell (19).

Description

Novel accurate screw thread formula gas mass flowmeter Technical Field The utility model relates to the technical field of gas flow metering, in particular to a novel precise threaded gas mass flowmeter. Background The gas flowmeter is an instrument for measuring the gas flow quantity, is widely applied to the fields of industry, laboratory, house and the like, and can help control and optimize the production process in industrial production and ensure the stability and efficiency of the production line. In the gas supply of factory pipeline or in the natural gas supply of house, all need to monitor the measurement to manage, because current gas flowmeter needs temperature and pressure compensation, and measurement error is big, data is unstable, and the range is little, measures singleness and limitation, can lead to the inaccurate problem of measuring result data. Disclosure of utility model The utility model provides a novel precise threaded gas mass flowmeter which solves the problems set forth in the background art. In order to solve the technical problems, the technical scheme of the utility model is as follows: The embodiment of the utility model provides a novel precise threaded gas mass flowmeter, which comprises a gauge stand, wherein the surface of the gauge stand is fixedly connected with a gauge head shell, the surface of the gauge head shell is fixedly connected with an external joint, the surface of the gauge stand is fixedly connected with a threaded joint A, the surface of the gauge stand is fixedly connected with a threaded joint B, four mounting and fixing holes are formed in the lower surface of the gauge stand, a guide hole is formed in the inner wall of the gauge stand, a pressure sensor and a flow sensor are arranged in a cavity of the gauge stand, the pressure sensor and the flow sensor are fixedly welded on the surface of a mounting plate, the mounting plate is fixedly connected with the gauge stand, and a detection air inlet hole and a detection air vent are formed in the inner wall of the gauge stand. Through the technical scheme, the mass flow of flowing gas is directly and accurately measured, and the current air pressure value is monitored in real time, so that the pressure loss of gas flow measurement is small, the measuring range ratio is wide, the precision is high, the reliability is high, and the accuracy of measurement is improved. Further, the inner wall of the gauge stand is provided with a pipeline air inlet hole and a pipeline air outlet hole, the pipeline air inlet hole is communicated with the detection air inlet hole, the pipeline air outlet hole is communicated with the detection air outlet hole, the pipeline air inlet hole and the pipeline air outlet hole are communicated with the cavity of the diversion hole, the pipeline air outlet hole is communicated with the cavity of the threaded joint A, and the pipeline air inlet hole is communicated with the cavity of the threaded joint B. Through the technical scheme, the air holes are communicated, so that the air flows out smoothly after detection, leakage loss is not easy to occur, and the service life of the metering equipment can be prolonged. Further, the surface fixedly connected with display panel of gauge outfit casing, display interface's inner wall fixedly connected with display panel, display panel's surface fixedly connected with button A, button B and button C. Through the technical scheme, after the gas flows through the connecting pipe, the pressure sensor and the flow sensor can be transmitted to the display panel, so that workers can observe the change of flow and pressure conveniently, and three keys can control a display interface on the display panel. Further, the surface fixedly connected with spare battery group shell of gauge outfit casing, surface demountable installation of gauge outfit casing has 3.6V spare battery, and 3.6V spare battery is located the inner wall of spare battery group shell, 3.6V spare battery and display panel electric connection, 3.6V spare battery and pressure sensor and flow sensor electric connection. Through the technical scheme, when power is off, the standby battery can continuously supply power for the metering equipment, so that the metering equipment can run more stably, and the standby battery can be replaced after the standby battery pack shell is detached. Further, six screws A are connected with the inner wall of the mounting plate in a threaded manner, two screws B are connected with the inner wall of the gauge outfit shell in a threaded manner, four screws C are connected with the inner wall of the display panel in a threaded manner, eight screws D are connected with the gauge outfit shell in a threaded manner, four screws D are connected with the threaded connector A in a threaded manner, four screws D are connected with the threaded connector B in a threaded manner, four screws E are connected with the inner wall of the spare battery pack shell in a thread