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CN-224231032-U - Novel accurate flange formula gas mass flowmeter

CN224231032UCN 224231032 UCN224231032 UCN 224231032UCN-224231032-U

Abstract

The utility model provides a novel precise flange type gas mass flowmeter, which relates to the technical field of gas flow metering and comprises a connecting pipe, wherein the surface of the connecting pipe is fixedly connected with a base, the surface of the base is fixedly connected with a meter cover, the surface of the meter cover is fixedly connected with a supporting column, the arc surface of the supporting column is sleeved with a panel bottom shell, the surface of the panel bottom shell is fixedly connected with a joint A and a joint B, the end part of the connecting pipe is fixedly connected with a flange A and a flange B, a pressure sensor and a flow sensor are arranged in a cavity of the base, 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 base, and the inner wall of the connecting pipe is provided with a detection air inlet hole and a detection air vent. 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
20250619

Claims (6)

  1. 1. The utility model provides a novel accurate flange formula gas mass flowmeter, includes connecting pipe (1), the fixed surface of connecting pipe (1) is connected with base (29), the fixed surface of base (29) is connected with table lid (18), the fixed surface of table lid (18) is connected with support column (3), the circular arc face cover of support column (3) has panel drain pan (27), the fixed surface of panel drain pan (27) is connected with joint A (17) and joint B (25), the tip fixedly connected with flange A (2) and flange B (4) of connecting pipe (1), pressure sensor (14) and flow sensor (13) are installed to the intracavity of base (29), and pressure sensor (14) and flow sensor (13) welded fastening are at the surface of mounting panel, mounting panel and base (29) fixed connection, the inner wall of connecting pipe (1) has seted up detection inlet port (8) and has detected exhaust hole (9), the inner wall fixedly connected with water conservancy diversion ring (7) of connecting pipe (1), the inner wall (7) has a plurality of water conservancy diversion holes (6).
  2. 2. The novel precise flange type gas mass flowmeter according to claim 1, wherein a pipeline air inlet hole (11) and a pipeline air outlet hole (12) are formed in the inner wall of the connecting pipe (1), the pipeline air inlet hole (11) is communicated with the detection air inlet hole (8), and the pipeline air outlet hole (12) is communicated with the detection air outlet hole (9).
  3. 3. The novel precise flange type gas mass flowmeter according to claim 1, wherein a display panel (21) is fixedly connected to the surface of the panel bottom shell (27), a display interface (22) is fixedly connected to the inner wall of the display panel (21), and explosion-proof glass is arranged on a display screen on the surface of the display interface (22).
  4. 4. The novel precise flange type gas mass flowmeter according to claim 1, wherein the inner wall of the support column (3) is in threaded connection with a copper nut (20), a wire protection tube (23) is fixedly connected to the surface of the copper nut (20), and the wire protection tube (23) is communicated with the copper nut (20).
  5. 5. The novel precise flange type gas mass flowmeter according to claim 4, wherein six screws a (5) are screwed on the inner wall of the mounting plate, six screws a (5) are screwed on the base (29), two screws B (15) are screwed on the inner wall of the panel bottom shell (27), two screws B (15) are abutted against the surface of the support column (3), eight screws C (26) are screwed on the inner wall of the panel bottom shell (27), eight screws C (26) are screwed on the display panel (21), six screws D (28) are screwed on the inner wall of the meter cover (18), and six screws D (28) are screwed on the base (29).
  6. 6. The novel precise flange type gas mass flowmeter according to claim 4, wherein the surface of the meter cover (18) is fixedly connected with a tetrafluoro sealing gasket (10), the tetrafluoro sealing gasket (10) is located between the meter cover (18) and the base (29), the surface of the support column (3) is fixedly connected with a sealing ring A (16), the sealing ring A (16) is located between the support column (3) and the panel bottom shell (27), the inner wall of the base (29) is fixedly connected with a sealing ring B (19), the sealing ring B (19) is located between the base (29) and the mounting plate, the surface of the copper nut (20) is fixedly connected with a sealing ring C (24), and the sealing ring C (24) is located between the copper nut (20) and the support column (3).

Description

Novel accurate flange formula gas mass flowmeter Technical Field The utility model relates to the technical field of gas flow metering, in particular to a novel precise flange type gas mass flowmeter. Background The gas flowmeter is an instrument for measuring the flow quantity of gas, is widely applied to the fields of industry, laboratory, house and the like, can monitor the flow of gas in real time, is favorable for timely finding potential safety hazards such as pipeline leakage and the like, ensures the safety of production environment and personnel, is very important in the petroleum and natural gas industries, monitors the flow quantity of gas, and can timely find abnormal conditions. 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 flange type 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 flange type gas mass flowmeter, which comprises a connecting pipe, wherein the surface of the connecting pipe is fixedly connected with a base, the surface of the base is fixedly connected with a meter cover, the surface of the meter cover is fixedly connected with a supporting column, the arc surface of the supporting column is sleeved with a panel bottom shell, the surface of the panel bottom shell is fixedly connected with a joint A and a joint B, the end part of the connecting pipe is fixedly connected with a flange A and a flange B, a pressure sensor and a flow sensor are arranged in a cavity of the base and are welded and fixed on the surface of a mounting plate, the mounting plate is fixedly connected with the base, the inner wall of the connecting pipe is provided with a detection air inlet hole and a detection air outlet hole, the inner wall of the connecting pipe is fixedly connected with a guide ring, and the inner wall of the guide ring is provided with a plurality of guide holes. Through the technical scheme, the pressure loss is small, the measuring range is wider, the precision is high, the reliability is high in the measuring process, and therefore the problems of inconvenience brought to a user due to large data errors and the like are solved. Further, the inner wall of the connecting pipe 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, and the pipeline air outlet hole is communicated with the detection air outlet hole. Through the technical scheme, the air holes are communicated, so that the air flows out smoothly after detection, and leakage loss is not easy to occur. Further, the surface of the panel bottom shell is fixedly connected with a display panel, the inner wall of the display panel is fixedly connected with a display interface, and the display screen on the surface of the display interface is made of explosion-proof glass. 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 the change of flow and pressure can be conveniently observed by staff. Further, the inner wall threaded connection of support column has copper nut, copper nut's surface fixedly connected with protects the spool, and protects and is linked together between spool and the copper nut. Through the technical scheme, better protection of connecting wires between the flow sensor and the pressure sensor and the display panel is realized. 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 panel bottom shell in a threaded manner, two screws B are abutted to the surface of the support column, eight screws C are connected with the inner wall of the panel bottom shell in a threaded manner, eight screws C are connected with the display panel in a threaded manner, six screws D are connected with the inner wall of the surface cover in a threaded manner, and six screws D are connected with the base in a threaded manner. Through above-mentioned technical scheme, fix the connecting piece through using a plurality of screws for this metering equipment's structure is more stable, and convenient to detach. Further, the fixed surface of table lid is connected with the tetrafluoro and seals up the pad, and the tetrafluoro is sealed to be filled up and be located between table lid and the base, the fixed surface of support column is connected with sea