CN218916433U

CN218916433U - Orifice flowmeter

Info

Publication number: CN218916433U
Application number: CN202222595165.0U
Authority: CN
Inventors: 李涛
Original assignee: Qingdao Juchuang Environmental Protection Group Co ltd
Current assignee: Qingdao Juchuang Environmental Protection Group Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-04-25
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses an orifice flowmeter, which comprises a measuring tube, wherein a throttling element is fixedly arranged in the measuring tube, the throttling element adopts a partition plate which is matched and attached with the inner wall of the measuring tube, the center of the partition plate is provided with a through hole, a first pressure collecting tube, a second pressure collecting tube and a third pressure collecting tube are sequentially connected to the wall of one side of the measuring tube, the first pressure collecting tube stretches into the measuring tube and is communicated with a tube cavity on the left side of the partition plate, and the second pressure collecting tube and the third pressure collecting tube stretch into the measuring tube and are communicated with a tube cavity on the right side of the partition plate: compared with the traditional flowmeter, the utility model has the advantages of small volume, simple structure, low cost, convenient installation and the like, and has the advantages of small fluid flow resistance and difficult blockage in the use process.

Description

Orifice flowmeter

Technical Field

The utility model relates to the field of flow measurement, is applied to atmospheric, dust and fluoride samplers in the field of environmental protection, and particularly relates to an orifice flowmeter.

Background

The flow meter is a meter that measures flow. There are a wide variety of flow meters, of which orifice flow meters are a widely used and conventional type of flow meter that derives the flow of a tube to be measured by measuring the differential pressure across a flow measuring element. The existing orifice flowmeter has the problems of large laminar flow volume, complex structure, high cost, large flow resistance, easy blockage and the like.

Disclosure of Invention

The present utility model provides an orifice flowmeter that solves the various problems described above.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides an orifice flowmeter, includes the survey buret, survey buret inside is fixed to be equipped with throttling element, throttling element adopts the baffle of laminating with survey buret inner wall looks adaptation, the baffle center is equipped with the through-hole, it is equipped with first pressure pipe, second pressure pipe and third pressure pipe to adopt to connect gradually on the buret one side pipe wall, first pressure pipe that adopts stretches into survey buret inside and with the left lumen intercommunication of baffle, second pressure pipe and third pressure pipe that adopts all stretches into survey buret inside and with the lumen intercommunication on baffle right side.

Further, the first pressure production pipe, the second pressure production pipe and the third pressure production pipe are respectively provided with an opening for installing and connecting a pressure sensor, and the pressure sensor extends into the opening through the air duct to be communicated with the flowmeter.

Further, the pressure sensor is a patch type pressure sensor.

Compared with the prior art, the utility model has the advantages that: compared with the traditional flowmeter, the utility model has the advantages of small volume, simple structure, low cost, convenient installation and the like, and has the advantages of small fluid flow resistance and difficult blockage in the use process.

Drawings

Fig. 1 is a schematic diagram of the front view of an orifice flowmeter according to the present utility model.

Fig. 2 is a schematic left-hand view of an orifice flowmeter according to the present utility model.

Fig. 3 is a schematic top view of an orifice flowmeter according to the present utility model.

As shown in the figure: 1. a measuring tube; 2. a partition plate; 3. a through hole; 4. a first pressure production pipe; 5. a second pressure production pipe; 6. a third pressure production pipe; 7. and (5) opening holes.

Detailed Description

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "center", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation configuration and operation, and thus are not to be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly stated or limited otherwise, the terms "provided with," "mounted to," "connected to," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The present utility model will be described in further detail with reference to the accompanying drawings.

The utility model provides a combine 1 to 3 of drawing, a drill way flowmeter, includes measuring pipe 1, measuring pipe 1 inside is fixed to be equipped with throttling element, throttling element adopts the baffle 2 with measuring pipe 1 inner wall looks adaptation laminating, the baffle center is equipped with through-hole 3, connect gradually on measuring pipe 1 one side pipe wall and be equipped with first pressure pipe 4, second pressure pipe 5 and third pressure pipe 6 of adopting, first pressure pipe 4 stretches into measuring pipe 1 inside and communicates with the left lumen of baffle 2, second pressure pipe 5 and third pressure pipe 6 are all stretched into measuring pipe 1 inside and communicate with the lumen on baffle 2 right side, be convenient for pressure acquisition to can obtain great stable pressure differential in the measuring pipe 1, make the flowmeter have higher response sensitivity and precision.

The first pressure production pipe 4, the second pressure production pipe 5 and the third pressure production pipe 6 are respectively provided with an opening 7 for installing and connecting a pressure sensor, the pressure sensor extends into the opening 7 through an air duct to be communicated with a flowmeter, and the pressure sensor adopts a patch type pressure sensor.

Compared with the traditional flowmeter, the flowmeter has the advantages of small volume, simple structure, low cost, convenience in installation and the like, has the advantages of small fluid flow resistance and difficulty in blocking in the use process, and solves the problems of large laminar flow volume, complex structure, high cost, high flow resistance, easiness in blocking and the like of the flowmeter in the prior art.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. An orifice flowmeter comprising a measuring tube (1), characterized in that: the inside fixed throttling element that is equipped with of survey pipe (1), throttling element adopts baffle (2) with survey pipe (1) inner wall looks adaptation laminating, the baffle center is equipped with through-hole (3), it is equipped with first pressure pipe (4) to adopt to press pipe (5) and third to adopt to press pipe (6) to connect gradually on survey pipe (1) one side pipe wall, first pressure pipe (4) are adopted and are stretched into survey pipe (1) inside and communicate with baffle (2) left lumen, second pressure pipe (5) and third are adopted and are pressed pipe (6) and all are stretched into survey pipe (1) inside and communicate with baffle (2) right lumen.

2. An orifice flowmeter according to claim 1, wherein: the pressure sensor is characterized in that openings (7) for installing and connecting the pressure sensor are formed in the first pressure collecting pipe (4), the second pressure collecting pipe (5) and the third pressure collecting pipe (6), and the pressure sensor extends into the openings (7) through the air duct and is communicated with the flowmeter.

3. An orifice flowmeter according to claim 2, wherein: the pressure sensor is a patch type pressure sensor.