Bubble-containing and impurity-containing pressure tapping sensor for full pipe and non-full pipe of pipeline fluid

Abstract

The utility model discloses a pressure tapping sensor for pipeline fluid full pipe and non-full pipe, bubble-containing and impurity-containing, which comprises a sensor main body, the sensor main body is arranged on a test pipeline, a probe support rod is positioned at the bottom of the sensor main body, the probe support rod is positioned at the inner position of the test pipeline, and the probe support rod is connected with the sensor main body. A high-pressure groove-shaped pressure tapping hole and a low-pressure pressure tapping hole are formed in the bottom of the probe supporting rod, a high-low pressure separation point is arranged between the high-pressure groove-shaped pressure tapping hole and the low-pressure pressure tapping hole, and a reinforcing rib is integrally formed in the position, located on the outer side of the high-pressure groove-shaped pressure tapping hole and the outer side of the low-pressure pressure tapping hole, of the probe supporting rod. According to the pressure tapping sensor used for pipeline fluid full pipes and non-full pipes and containing bubbles and impurities, the probe with the groove-shaped section shape can generate accurate pressure distribution, the low-pressure pressure tapping hole is located below the rear portion of the probe of a fixed fluid separation point, the groove-shaped pressure tapping hole in front of the fluid separation point is high in pressure, stable differential pressure signals can be generated, and the pressure tapping sensor is simple in structure and convenient to operate. And the probe has the advantages of effective anti-blocking and anti-bubble effects, an internal integrated structure, more stable pressure tapping, better structural strength and capability of keeping high precision for a long time.

Description

TECHNICAL FIELD

[0001] The utility model relates to fluid flow sensor field, especially relate to a good quantity bar prevents gas bubble, prevents impurity liquid pressure sensor. BACKGROUND

[0002] Good quantity bar flow prevents gas bubble, prevents the pressure sensor of taking pressure of blocking, it is a kind of supporting equipment for pipeline fluid flow measurement, is applied to petroleum, chemical industry, electric power, metallurgy etc., after overall assembly, calibration, configuration and leakage test, direct installation is realized, good quantity bar flow sensor is designed according to international standard ISO 3966 "the measurement of fluid flow in closed conduit - velocity area method using pitot static pressure tube", sensor directly extracts the differential pressure of fluid in pipeline, then converts into the differential pressure flowmeter of fluid volume flow and mass flow, along with the continuous development of science and technology, people's manufacturing process requirements for good quantity bar flow prevents gas bubble, prevents the pressure sensor of taking pressure of blocking are also higher and higher.

[0003] The existing flow sensor has certain disadvantages in use, first, when using, the existing flow sensor is more troublesome to install, the liquid medium contains gas bubble, impurity, the precision cannot be well reached, the stability and reliability are poor, it is not favorable for people's use, in addition, the existing flow sensor probe structure strength is low, and the gas bubble and impurity in liquid are measured under uncertain conditions, cannot reach application effect, service life is shorter, brings certain unfavorable influence to people's use, for this, we propose a pressure sensor for pipeline fluid full pipe and non-full pipe, containing gas bubble, containing impurity. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a pressure sensor for pipeline fluid full pipe and non-full pipe, containing gas bubble, containing impurity, the probe of groove cross-sectional shape can generate accurate pressure distribution, the low-pressure pressure hole is below the probe at fixed fluid separation point, and the groove pressure hole before fluid separation point is high pressure, can generate stable differential pressure signal, and effectively prevent blocking and gas collection, the internal integrated structure is more stable in pressure taking, the probe structure strength is better, and long-term high precision can be maintained, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a pressure sensor for testing fluid in full and non-full pipes, containing air bubbles, and containing impurities, comprising a sensor body, which is installed on a test pipe. A probe support rod is positioned at the bottom of the sensor body, and the probe support rod is located inside the test pipe. A high-pressure groove-shaped pressure tap and a low-pressure tap are provided at the bottom of the probe support rod. A high-pressure and low-pressure separation point is provided between the high-pressure groove-shaped pressure tap and the low-pressure tap. A reinforcing rib is integrally formed on the probe support rod at the position outside the high-pressure groove-shaped pressure tap and the low-pressure tap. The bottom of the probe support rod at the position of the high-pressure groove-shaped pressure tap and the low-pressure tap has a groove-shaped cross-section structure. The low-pressure tap is located at the lower rear of the probe support rod, and the high-pressure groove-shaped pressure tap is located at the groove position at the front end of the probe support rod.

[0006] As a preferred technical solution of this application, the sensor body is installed at the position of the test pipeline and a sealing positioning plate is positioned thereon. The sensor body is provided with a test tube, a connecting flange and a connecting pipe. A shut-off valve is provided on the outer wall of the test tube. A flow meter is installed on the top of the connecting pipe. A connector is positioned on the side of the flow meter. A connecting valve is connected to the front end of the flow meter.

[0007] As a preferred technical solution of this application, a positioning groove is provided in the middle of the sealing positioning disk, a pressure taking cavity is provided on the inner wall of the sealing positioning disk near the positioning groove, a sealing ring is positioned on the surface of the pressure taking cavity, a sealing sheet is positioned on the bottom surface of the sealing positioning disk, and a patch is positioned at the bottom of the outer ring of the sealing sheet. A pressure taking tube is provided inside the sealing positioning disk at the position connecting to the pressure taking cavity, and a sealing plug is provided at the end of the pressure taking tube.

[0008] As a preferred technical solution of this application, the sensor body is sealed and positioned between the sensor body and the test pipe through a sealing positioning plate, the sensor body is connected to the test pipe and the connecting pipe, and the middle position is fixed by a connecting flange.

[0009] As a preferred technical solution of this application, the connecting pipe is connected to the flow meter in a through connection, and the flow meter is connected to the connecting valve and the connector in a through connection.

[0010] As a preferred technical solution of this application, the bottom of the sealing positioning disk is positioned by a patch and sealed by a sealing sheet. The sealing positioning disk and the positioning groove are integrally formed by forging.

[0011] As a preferred technical solution of this application, the pressure tapping tube is filled with fluid into the pressure tapping chamber, and the pressure tapping tube is sealed by a sealing plug, and the pressure tapping chamber is positioned by adhesive bonding with the sealing ring.

[0012] As a preferred technical scheme of the present application, the probe support rod is integrally formed by forging with the high-pressure groove type pressure tapping hole, the high-low pressure separation point, the low-pressure pressure tapping hole and the reinforcing rib, and a stable differential pressure signal is generated between the high-pressure groove type pressure tapping hole and the low-pressure pressure tapping hole.

[0013] Compared with the prior art, the utility model provides a take pressure sensor for full pipe and non full pipe, bubble containing, impurity containing of pipeline fluid, has the following beneficial effect: the good amount of bar flow prevents bubble, prevents the take pressure sensor of blocking, is widely used in liquid measurement, its advantage is that it is blocked, precision is high, stability is good, reliability is strong, and installation is simple and the like.

[0014] The good amount of bar flow sensor adopts the most advanced differential pressure flow measurement technology, completely meets the engineering structure design of aerodynamics principle, is a kind of in precision, efficacy and reliability reach the sensor element of the enterprise standard, adopts air speed pipe principle and can accurately measure medium flow rate, range ratio is wide, simple structure, safe and reliable.

[0015] The probe of the good amount of bar flow sensor groove type cross section shape can generate accurate pressure distribution, the low-pressure pressure tapping hole is below the probe of fixed fluid separation point, and the groove type pressure tapping hole before fluid separation point is high pressure, can generate stable differential pressure signal, and effectively prevent blocking and gas collection.The integrated structure, pressure taking is more stable, the probe structure strength is better, and long-term high precision can be maintained, the whole good amount of bar flow prevents bubble, prevents the take pressure sensor structure of blocking, and it is simple in operation, and the effect of use is better than traditional mode. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram for the utility model for pipeline fluid full pipe and non full pipe, bubble containing, impurity containing take pressure sensor.

[0017] Figure 2 It is the structure schematic diagram of the whole top in the utility model for pipeline fluid full pipe and non full pipe, bubble containing, impurity containing take pressure sensor.

[0018] Figure 3 It is the structure schematic diagram of the whole side in the utility model for pipeline fluid full pipe and non full pipe, bubble containing, impurity containing take pressure sensor.

[0019] Figure 4 It is the structure schematic diagram of the enlarged view of A in the utility model for pipeline fluid full pipe and non full pipe, bubble containing, impurity containing take pressure sensor.

[0020] Figure 5The utility model is used for the structure diagram of the probe support rod bottom groove structure in the pressure sensor for full pipe and non-full pipe, bubble containing, impurity containing pipeline fluid.

[0021] Figure 6 The utility model is used for the structure diagram of the probe support rod in the pressure sensor for full pipe and non-full pipe, bubble containing, impurity containing pipeline fluid.

[0022] Figure 7 The utility model is used for the structure diagram of the sealing positioning disc in the pressure sensor for full pipe and non-full pipe, bubble containing, impurity containing pipeline fluid.

[0023] In the drawing: 1, test pipeline; 2, sealing positioning disc; 3, cut-off valve; 4, connecting flange; 5, connector; 6, connecting valve; 7, flowmeter; 8, connecting pipe; 9, test pipe; 10, sensor main body; 11, probe support rod; 12, high-pressure groove pressure tapping hole; 13, high-low pressure separation point; 14, low-pressure pressure tapping hole; 15, reinforcing rib; 16, pressure tapping cavity; 17, sealing ring; 18, positioning groove; 19, pressure tapping pipe; 20, patch; 21, sealing sheet; 22, sealing plug. DETAILED DESCRIPTION

[0024] The technical scheme of the utility model will be described clearly and completely below in connection with the drawings and specific embodiments.

[0025] As shown in the drawing, Figures 1-7 The utility model is used for the structure diagram of the probe support rod in the pressure sensor for full pipe and non-full pipe, bubble containing, impurity containing pipeline fluid. The utility model discloses a pressure sensor for full pipe and non-full pipe, bubble containing, impurity containing pipeline fluid, which comprises a sensor main body 10, and the sensor main body 10 is installed on a test pipeline 1, a probe support rod 11 is positioned at the bottom of the sensor main body 10, the probe support rod 11 is located at the inside position of the test pipeline 1, a high-pressure groove pressure tapping hole 12 and a low-pressure pressure tapping hole 14 are formed at the bottom of the probe support rod 11, a high-low pressure separation point 13 is arranged between the high-pressure groove pressure tapping hole 12 and the low-pressure pressure tapping hole 14, a reinforcing rib 15 is integrally formed at the position of the probe support rod 11 outside the high-pressure groove pressure tapping hole 12 and the low-pressure pressure tapping hole 14, the position of the probe support rod 11 at the bottom and located at the high-pressure groove pressure tapping hole 12 and the low-pressure pressure tapping hole 14 is a groove cross-section structure, the low-pressure pressure tapping hole 14 is located below the rear of the probe support rod 11, the high-pressure groove pressure tapping hole 12 is located at the groove position of the front end of the probe support rod 11, the probe with the groove cross-section shape can generate accurate pressure distribution, the low-pressure pressure tapping hole is below the rear of the probe at the fixed fluid separation point, the groove pressure tapping hole before the fluid separation point is high pressure, can generate stable differential pressure signal, effectively prevents blockage, the internal integrated structure is more stable in pressure tapping, the probe structure strength is better, and long-term high accuracy can be kept.

[0026] The sensor body 10 is installed in the position of the test pipeline 1, and the sealing positioning disc 2 is positioned, the sensor body 10 is provided with a test tube 9, a connecting flange 4 and a connecting pipe 8, the outer wall of the test tube 9 is provided with a test valve 3, the top of the connecting pipe 8 is installed with a flowmeter 7, the side of the flowmeter 7 is positioned with a connector 5, and the front end of the flowmeter 7 is connected with a connecting valve 6.

[0027] The middle part of the sealing positioning disc 2 is provided with a positioning groove 18, the inner wall of the sealing positioning disc 2 is provided with a pressure taking cavity 16 near the positioning groove 18, the surface of the pressure taking cavity 16 is positioned with a sealing ring 17, the bottom surface of the sealing positioning disc 2 is positioned with a sealing sheet 21, and the outer ring bottom of the sealing sheet 21 is positioned with a patch 20, and the position of the pressure taking cavity 16 in the sealing positioning disc 2 is provided with a pressure taking pipe 19, and the end of the pressure taking pipe 19 is provided with a sealing plug 22.

[0028] The sensor body 10 is sealed and positioned between the sealing positioning disc 2 and the test pipeline 1, the sensor body 10 is through between the test tube 9 and the connecting pipe 8, and the middle position is fixed by the connecting flange 4.

[0029] The connecting pipe 8 is connected through between the flowmeter 7, the flowmeter 7 is connected through between the connecting valve 6 and the connector 5.

[0030] The bottom of the sealing positioning disc 2 is positioned by the patch 20, and sealed by the sealing sheet 21, and the sealing positioning disc 2 and the positioning groove 18 are integrally processed by forging.

[0031] The pressure taking pipe 19 fills the fluid in the inside of the pressure taking cavity 16, and the pressure taking pipe 19 is sealed by the sealing plug 22, and the pressure taking cavity 16 and the sealing ring 17 are positioned by the adhesive.

[0032] The probe support rod 11 is integrally processed by forging between the high pressure groove type pressure taking hole 12, the high and low pressure separation point 13, the low pressure pressure taking hole 14 and the reinforcing rib 15, and the stable differential pressure signal is generated between the high pressure groove type pressure taking hole 12 and the low pressure pressure taking hole 14.

[0033] The flow sensor is applied to petroleum, chemical industry, electric power, metallurgy and other industries. It can measure the flow of fluid in the pipeline. The flow sensor combines practical experience and adopts the latest sensor design. After overall assembly, calibration, configuration and leakage test, it realizes direct installation.

[0034] Industrial field

[0035] The flowmeter is widely used in petroleum, chemical industry, electric power, metallurgy, pharmaceutical, textile and other industries. For example, in the petroleum industry, the flowmeter can be used for crude oil measurement; in the chemical industry, the flowmeter can be used for measuring the flow of various liquids.

[0036] environmental protection field

[0037] Good mass flow meter is also one of the commonly used measuring instruments in the environmental protection industry. For example, in sewage treatment, good mass flow meter can be used to measure the flow of sewage, facilitating the treatment of sewage.

[0038] pharmaceutical field

[0039] In the pharmaceutical field, good mass flow meter can be used for flow measurement of various liquid medicines and drugs.

[0040] food field

[0041] In the food industry, good mass flow meter is widely used to measure the flow of various foods and beverages. For example, in dairy processing, good mass flow meter can be used to measure the flow of milk, yogurt and the like, to ensure product quality.

[0042] Working principle: the utility model discloses a test pipeline 1, sealing positioning disc 2, test valve 3, connecting flange 4, connector 5, connecting valve 6, flow meter 7, connecting pipe 8, test pipe 9, sensor main body 10, probe support 11, high pressure groove type pressure tapping hole 12, high and low pressure separation point 13, low pressure pressure tapping hole 14, reinforcing rib 15, pressure tapping cavity 16, sealing ring 17, positioning groove 18, pressure tapping pipe 19, patch 20, sealing piece 21, sealing plug 22, the probe of groove cross section shape can produce accurate pressure distribution, the low pressure pressure tapping hole is below the probe after fixed fluid separation point, and the groove pressure tapping hole before fluid separation point is high pressure, can generate stable differential pressure signal, and effectively prevent blocking, the integrated structure in the interior, more stable pressure tapping, the probe structure strength is better, and long -term high accuracy can be kept.

[0043] The sensor of groove cross section shape can produce accurate pressure distribution, and the low pressure pressure tapping hole is below the probe after fixed fluid separation point 15 °, and the groove pressure tapping hole before fluid separation point is high pressure, can generate stable differential pressure signal, and effectively prevent blocking.

[0044] Good mass flow sensor is suitable for high-precision flow measurement of pipeline fluid.

[0045] The probe of groove cross section shape can produce accurate pressure distribution, and the low pressure pressure tapping hole is below the probe after fixed fluid separation point, and the groove pressure tapping hole before fluid separation point is high pressure, can generate stable differential pressure signal, and effectively prevent blocking.

[0046] Good mass flow technology can maximize the measurement of signal stability, while achieving first-class precision.

[0047] The good amount of bar flow sensor can effectively measure stable pressure difference signals under the conditions of small flow and unstable flow field when measuring large pipeline, and has high repeatability. The basic principle and main characteristics and advantages of the utility model are shown and described. The skilled person in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A sensor for full pipe and non-full pipe, bubble-containing, impurity-containing pressure measurement of a pipeline fluid, comprising a sensor body (10), and the sensor body (10) is installed on a test pipeline (1), characterized in that: The bottom of the sensor body (10) is provided with a probe support rod (11), which is located in the internal position of the test pipeline (1), the bottom of the probe support rod (11) is provided with a high pressure slot type pressure tapping hole (12) and a low pressure pressure tapping hole (14), a high and low pressure separation point (13) is arranged between the high pressure slot type pressure tapping hole (12) and the low pressure pressure tapping hole (14), a reinforcing rib (15) is integrally formed on the probe support rod (11) at a position outside the high pressure slot type pressure tapping hole (12) and the low pressure pressure tapping hole (14), the bottom of the probe support rod (11) is provided with a slot type cross section structure at the position of the high pressure slot type pressure tapping hole (12) and the low pressure pressure tapping hole (14), the low pressure pressure tapping hole (14) is located below the rear of the probe support rod (11), and the high pressure slot type pressure tapping hole (12) is located at the slot type position of the front end of the probe support rod (11).

2. A fluid full and non-full, bubble and impurity containing pressure sensor for a pipe according to claim 1, wherein: The position of the sensor body (10) installed in the test pipeline (1) is provided with a sealing positioning disc (2), the sensor body (10) is provided with a test tube (9), a connecting flange (4) and a connecting pipe (8), the outer wall of the test tube (9) is provided with a shut-off valve (3), the top of the connecting pipe (8) is provided with a flow meter (7), the side of the flow meter (7) is provided with a connector (5), and the front end of the flow meter (7) is connected with a connecting valve (6).

3. A fluid full and non-full, bubble and impurity containing, pressure taking sensor for a pipe according to claim 2, characterized in that: The middle part of the sealing positioning disc (2) is provided with a positioning groove (18), the inner wall of the sealing positioning disc (2) is provided with a pressure taking cavity (16) close to the positioning groove (18), the surface of the pressure taking cavity (16) is provided with a sealing ring (17), the bottom surface of the sealing positioning disc (2) is provided with a sealing piece (21), and the outer ring bottom of the sealing piece (21) is provided with a patch (20), the position of the pressure taking pipe (19) connected with the pressure taking cavity (16) in the sealing positioning disc (2) is provided with a pressure taking pipe (19), and the end of the pressure taking pipe (19) is provided with a sealing plug (22).

4. A fluid full and non-full, bubble and impurity containing, pressure taking sensor for a pipe according to claim 2, characterized in that: The sensor body (10) is sealingly positioned between the sealing positioning disc (2) and the test pipeline (1), the sensor body (10) is through the test tube (9) and the connecting pipe (8), and the middle position is fixed by the connecting flange (4).

5. A fluid full and non-full, bubble and impurity containing, pressure sensing sensor for a pipe according to claim 2, wherein: The connecting pipe (8) is connected with the flow meter (7), and the flow meter (7) is connected with the connecting valve (6) and the connector (5).

6. A fluid full and non-full, bubble containing, impurity containing pipe pressure sensor for use in a pipe according to claim 3, characterized by: The bottom of the sealing positioning disc (2) is positioned by the patch (20), and is reversely sealed by the sealing piece (21), the sealing positioning disc (2) and the positioning groove (18) are integrally processed by forging.

7. A fluid full and non-full, bubble-containing, impurity- containing pressure sensor for a pipe according to claim 3, characterized in that: The pressure taking pipe (19) is filled with fluid in the internal of the pressure taking cavity (16), and the pressure taking pipe (19) is sealed by the sealing plug (22), the pressure taking cavity (16) and the sealing ring (17) are positioned by adhesive.

8. The full and non-full pipe, bubble and impurity containing pressure sensor for pipeline fluid according to claim 1, characterized in that: The probe support rod (11) is integrally processed and formed by forging between the high-pressure groove type pressure tapping hole (12), the high-low pressure separation point (13), the low-pressure pressure tapping hole (14) and the reinforcing rib (15), and the stable differential pressure signal is generated between the high-pressure groove type pressure tapping hole (12) and the low-pressure pressure tapping hole (14).

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