CN112034199B

CN112034199B - High-precision anti-corrosion flow velocity measurement sensor

Info

Publication number: CN112034199B
Application number: CN202010851931.8A
Authority: CN
Inventors: 王如刚; 周锋; 陈传杰; 方忠庆; 王媛媛
Original assignee: Yancheng Institute of Technology
Current assignee: Yancheng Xiongying Precision Machinery Co Ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2022-07-01
Anticipated expiration: 2040-08-21
Also published as: CN112034199A

Abstract

The invention discloses a high-precision anti-corrosion flow velocity measurement sensor which comprises a protective shell for containing, a detection structure arranged in the protective shell and a box body for displaying data, wherein the detection structure is in a long strip shape and is integrally inserted into the protective shell, and the detection structure is connected with the box body through a transmission data line; the protective shell is cylindrical and long in strip shape, the left end of the protective shell is provided with a conical part, the right end of the protective shell is connected with a sealing pad disc, the sealing pad disc is cylindrical, the outer end of the sealing pad disc is uniformly provided with a plurality of through holes, the circumferential surface of the protective shell is equidistantly provided with a plurality of flow guide strips, the flow guide strips are long in strip shape, and a fastening structure is sleeved in the middle of the protective shell; the fastening structure comprises a shaft sleeve, and the shaft sleeve is integrally sleeved on the outer part of the protective shell and tightly attached to the outer wall of the protective shell. According to the invention, the protection shell is added, so that the internal detection sensor can be protected, corrosion is prevented, meanwhile, the rapid fixing is convenient, and the practicability is strong.

Description

High-precision anti-corrosion flow velocity measurement sensor

Technical Field

The invention relates to the technical field of sensors, in particular to a high-precision anti-corrosion flow velocity measuring sensor.

Background

The sensor (english name: transducer/sensor) is a detection device, which can sense the measured information and convert the sensed information into electric signals or other information in required form according to a certain rule to output, so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like. The sensor features include: miniaturization, digitalization, intellectualization, multifunction, systematization and networking. The method is the first link for realizing automatic detection and automatic control.

At present, pitot tubes, hot wire (or hot film) anemometers, laser Doppler velometers and particle image velometers are mainly used for measuring the dynamic velocity of water flow, and other methods are developed based on the basic principle of the methods. At present, four basic flow velocity measuring means have characteristics and application ranges respectively, and the four methods have advantages and defects respectively and cannot be replaced mutually. The pitot tube type is widely used in industrial occasions due to its convenient use, high measurement accuracy and high performance-to-cost ratio.

Current current flow sensor often measures in the environment of difference, because the shell of sensor contacts for a long time and measures gaseous or liquid, often appears corroding, and traditional sensor majority is placed in the inside of pipeline simultaneously, lacks corresponding simple and convenient fixed knot and constructs, is difficult for dismantling and installing, uses very inconveniently. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a high-precision anti-corrosion flow velocity measuring sensor, which solves the problems that: current current flow sensor often measures in the environment of difference, because the shell of sensor contacts for a long time and measures gaseous or liquid, often the corruption appears, and traditional sensor majority is placed in the inside of pipeline simultaneously, lacks corresponding simple and convenient fixed knot and constructs, is difficult for dismantling and installing, uses very inconvenient problem.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a high-precision anti-corrosion flow velocity measurement sensor comprises a protective shell for containing, a detection structure arranged inside the protective shell and a box body for displaying data, wherein the detection structure is in a strip shape and is integrally inserted into the protective shell, and the detection structure is connected with the box body through a transmission data line;

the protective shell is cylindrical and long in strip shape, a conical part is arranged at the left end of the protective shell, a sealing pad disc is connected to the right end of the protective shell, the sealing pad disc is cylindrical, a plurality of through holes are uniformly formed in the outer end of the sealing pad disc, a plurality of flow guide strips are equidistantly arranged on the circumferential surface of the protective shell, the flow guide strips are long in strip shape, and a fastening structure is sleeved in the middle of the protective shell;

the fastening structure comprises a shaft sleeve, the shaft sleeve is integrally sleeved outside the protective shell and tightly attached to the outer wall of the protective shell, four grooves with the same size diameter are formed in the outer wall of the shaft sleeve, the outer ends of the grooves are connected with damping assemblies, each damping assembly comprises a bottom casting block, each bottom casting block is a rectangular body, a first notch is formed in the bottom casting block, a second notch is formed in the inner end of the first notch, a guide rod is inserted into the bottom casting block, each guide rod is cylindrical, the bottom end of each guide rod is connected with a pressure spring, the pressure spring is integrally embedded into the second notch of the bottom casting block, the bottom end of each pressure spring is connected with the bottom casting block, the top end of each guide rod is connected with a magnetic block, and each magnetic block is in a disc shape;

the detection structure comprises a flow rate measurement part and a flow measurement part, wherein the flow rate measurement part is arranged on the right side of the flow measurement part and comprises a plurality of column tubes, the plurality of column tubes are all inserted into the sealing pad disc and are positioned, the left side of each column tube is connected with a main control box, and the left side of each main control box is horizontally connected with two drainage tubes.

As a further preferable mode of the invention, a plurality of posts are symmetrically arranged on the inner side of the first notch, the inner ends of the posts are connected with arc blocks, the arc blocks are arc-shaped, and the arc blocks are attached to the outer wall of the guide rod.

As a further preferable mode of the present invention, the flow measuring portion includes a strip-shaped chamber tube and a convex pillar disposed at a left side of the chamber tube, a left end of the convex pillar is connected with a plurality of seat discs, and a size of the plurality of seat discs gradually decreases from right to left.

As a further preferable mode of the present invention, a square groove is formed in the middle of the cavity tube, a liquid crystal sheet is disposed on the top of the square groove, and a terminal post is disposed on the top of the liquid crystal sheet and connected to the data transmission line.

As a further preferable mode of the present invention, the transmission data line internally includes a voltage connection, a ground connection, and two RS485 connections.

As a further preferable mode of the present invention, a main control chip is disposed inside the box body, the main control chip includes a central processing module, a communication module, an a/D conversion module, a storage module, and a display module, and the central processing module, the communication module, the a/D conversion module, the storage module, and the display module are all interconnected.

As a further preferable mode of the present invention, the protective casing is made of a rubber material, and the exterior of the protective casing is coated with a resin-based paint, and the outer wall of the protective casing is kept smooth and round.

(III) advantageous effects

The invention provides a high-precision anti-corrosion flow velocity measuring sensor. The method has the following beneficial effects:

(1) according to the invention, the protective shell is added on the outer side of the detection structure, is made of rubber material and is coated with the resin-based paint, so that the internal detection structure can be protected, corrosion is prevented, and the service life of the detection structure is prolonged.

(2) According to the invention, the fastening structure is added outside the protection shell, the magnetic block added at the outer end of the fastening structure can be adsorbed on the inner wall of the metal pipeline and can be fixed in an adsorption mode, and the metal pipeline can be rapidly disassembled and assembled.

(3) The flow velocity measuring part and the flow measuring part of the detection structure are used for measuring, meanwhile, the flow velocity measuring part and the flow measuring part can be transmitted to the box body through transmission data lines, and a main control chip in the box body can respectively use the central processing module, the communication module, the A/D conversion module, the storage module and the display module to convert data and display or transmit the data, so that the detection structure is high in functionality.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a schematic structural diagram of a detection structure according to the present invention;

FIG. 4 is a schematic structural view of a shock absorbing assembly of the present invention;

fig. 5 is a schematic diagram of a schematic frame structure of the main control chip of the present invention.

In the figure, 1, a protective casing; 2. detecting the structure; 3. a box body; 4. a conical portion; 5. a sealing pad disc; 6. a through hole; 7. a flow guide strip; 8. a shaft sleeve; 9. a shock absorbing assembly; 10. bottom casting blocks; 11. a first notch; 12. a second notch; 13. a guide bar; 14. a pressure spring; 15. a magnetic block; 16. a flow rate measuring section; 17. a flow measurement section; 18. a column tube; 19. a master control box; 20. a drain pipe; 21. a post rod; 22. an arc block; 23. A reservoir tube; 24. a convex column; 25. a seat pan; 26. a liquid crystal sheet; 27. a terminal post; 28. and a main control chip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a high-precision anti-corrosion flow velocity measurement sensor comprises a protective shell 1 for containing, a detection structure 2 arranged inside the protective shell 1 and a box body 3 for displaying data, wherein the detection structure 2 is in a strip shape and is integrally inserted into the protective shell 1, the detection structure 2 is connected with the box body 3 through a transmission data line, the whole detection structure 2 can be placed into the protection shell 1 in the using process, the protection shell 1 is cylindrical and long-strip-shaped, the left end of the protection shell is provided with a conical part 4, the right end of the protection shell 1 is connected with a sealing pad disk 5, the sealing pad disk 5 is cylindrical and the outer end of the sealing pad disk is uniformly provided with a plurality of through holes 6, the circumferential surface of the protection shell 1 is equidistantly provided with a plurality of flow guide strips 7, the flow guide strips 7 are long strips, the flow guide strips 7 can promote the flow direction of gas or liquid, and the middle of the protection shell 1 is sleeved with a fastening structure; the fastening structure comprises a shaft sleeve 8, the shaft sleeve 8 is integrally sleeved outside the protective shell 1 and tightly attached to the outer wall of the protective shell 1, four grooves with the same size diameter are formed in the outer wall of the shaft sleeve 8, the outer ends of the grooves are connected with a damping assembly 9, the damping assembly 9 comprises a bottom casting block 10, the bottom casting block 10 is a rectangular body, a first notch 11 is formed in the bottom casting block 10, a second notch 12 is formed in the inner end of the first notch 11, a guide rod 13 is inserted into the bottom casting block 10, the guide rod 13 is cylindrical, the bottom end of the guide rod 13 is connected with a pressure spring 14, the pressure spring 14 is integrally embedded into the second notch 12 of the bottom casting block 10, the bottom end of the pressure spring 14 is connected with the bottom casting block 10, the top end of the guide rod 13 is connected with a magnetic block 15, and the magnetic block 15 is in a disc shape; the detection structure 2 comprises a flow velocity measurement part 16 and a flow measurement part 17, the flow velocity measurement part 16 can be used for rapidly calculating the flow velocity respectively, the flow measurement part 17 is used for counting the flow, the flow velocity measurement part 16 is arranged on the right side of the flow measurement part 17, the flow velocity measurement part 16 comprises a plurality of column tubes 18, the plurality of column tubes 18 are all inserted into the sealing pad disc 5, the left side of the column tubes 18 is connected with a main control box 19, and the left side of the main control box 19 is horizontally connected with two drainage tubes 20.

Further, referring to fig. 4, a plurality of posts 21 are symmetrically arranged on the inner side of the first notch 11, the inner end of each post 21 is connected with an arc block 22, the arc block 22 is arc-shaped, and the arc block 22 is attached to the outer wall of the guide rod 13.

Further, referring to fig. 3, the flow measuring portion 17 includes a strip-shaped cavity tube 23 and a convex pillar 24 disposed at the left side of the cavity tube 23, the left end of the convex pillar 24 is connected with a plurality of seat discs 25, and the size of the plurality of seat discs 25 gradually decreases from right to left, so that the seat discs 25 at the outer end of the convex pillar 24 can be fastened with the corresponding conical portion 4, thereby improving the overall stability.

Further, referring to fig. 3, a square groove is formed in the middle of the storage cavity tube 23, a liquid crystal sheet 26 is disposed on the top of the square groove, a terminal post 27 is disposed on the top of the liquid crystal sheet 26, and the terminal post 27 is connected to a transmission data line.

Further, referring to fig. 1, the transmission data line internally includes a voltage connection, a ground connection, and two RS485 connections, and thus, the transmission data line may be used to transmit data.

Further, please refer to fig. 5, the inside of the box body 3 is provided with a main control chip 28, the main control chip 28 includes a central processing module, a communication module, an a/D conversion module, a storage module, and a display module, the central processing module, the communication module, the a/D conversion module, the storage module, and the display module are all communicated with each other, and through such a design, the central processing module, the communication module, the a/D conversion module, the storage module, and the display module on the main control chip 28 can be used to fully process data and display the data, and can transmit the data.

Specifically, the protective casing 1 is made of rubber material, the resin-based paint is coated on the outer part of the protective casing 1, the outer wall of the protective casing 1 is kept smooth and round, and the anticorrosion function of the protective casing 1 made of the rubber material coated with the resin-based paint can be enhanced through the design.

The working principle is as follows: during the use, can put into whole detection structure 2 to the inside of protection casing 1, and use sealing washer 5 to seal, in the installation, can put into the steel pipe with whole, adsorb fixedly through using the magnetic path 15 on the outside fastening structure of protection casing 1, damper assembly 9 simultaneously, can cooperate the supplementary shock attenuation buffering that carries out, use pressure spring 14 deformation between guide arm 13 and the end casting 10, reach the buffering effect, velocity of flow measurement part 16 and flow measurement part 17 can carry out measurement velocity of flow and flow respectively, can pass through data transmission line transmission to box body 3 with data simultaneously, handle the storage through box body 3, and show.

The invention 1, protecting the shell; 2. detecting the structure; 3. a box body; 4. a conical portion; 5. a gasket disc; 6. a through hole; 7. a flow guide strip; 8. a shaft sleeve; 9. a shock absorbing assembly; 10. a bottom casting block; 11. a first notch; 12. a second notch; 13. a guide bar; 14. a pressure spring; 15. a magnetic block; 16. a flow rate measuring section; 17. A flow measurement section; 18. a column tube; 19. a main control box; 20. a drain pipe; 21. a post rod; 22. an arc block; 23. a reservoir tube; 24. an end post; 25. a cushion disc; 26. a liquid crystal sheet; 27. a terminal post; 28. The main control chip, the part is the common standard part or the part known by technicians in this field, its structure and principle are known by technicians in this field through technical handbook or through routine experiment method, the problem solved by the invention is that the existing flow velocity sensor often measures in different environments, because the shell of the sensor contacts with the measured gas or liquid for a long time, corrosion often occurs, meanwhile, most of the traditional sensors are placed in the pipeline, and lack the corresponding simple fixed structure, difficult to be disassembled and installed, extremely inconvenient to use, the invention through the mutual combination of the above parts, the invention can protect the internal detection structure by adding the protective shell on the outer side of the detection structure, the protective shell adopts rubber material and is coated with resin-based paint, corrosion is prevented, the service life of the detection structure is prolonged, according to the invention, the fastening structure is added outside the protection shell, the magnetic block added at the outer end of the fastening structure can be adsorbed on the inner wall of the metal pipeline and can be fixed in an adsorption mode, and the metal pipeline can be rapidly disassembled and assembled, meanwhile, the damping assembly is added at the inner end of the fastening structure, and the internal pressure spring can be compressed by using the bottom casting block and the guide rod, so that the buffering and stretching effects are achieved, and the whole equipment is promoted to be fixed.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a high accurate anticorrosive type velocity of flow measurement sensor which characterized in that: the detection device comprises a protection shell (1) for containing, a detection structure (2) arranged inside the protection shell (1) and a box body (3) for displaying data, wherein the detection structure (2) is in a long strip shape and is integrally inserted into the protection shell (1), and the detection structure (2) is connected with the box body (3) through a transmission data line;

the protective casing (1) is cylindrical and long-strip-shaped, a conical part (4) is arranged at the left end of the protective casing, a sealing pad disc (5) is connected to the right end of the protective casing (1), the sealing pad disc (5) is cylindrical and a plurality of through holes (6) are uniformly formed in the outer end of the sealing pad disc, a plurality of flow guide strips (7) are equidistantly arranged on the circumferential surface of the protective casing (1), the flow guide strips (7) are long-strip-shaped, and a fastening structure is sleeved in the middle of the protective casing (1);

the fastening structure comprises an axle sleeve (8), the axle sleeve (8) is integrally sleeved on the outer portion of a protective shell (1) and tightly attached to the outer wall of the protective shell (1), four grooves with the same size diameter are formed in the outer wall of the axle sleeve (8), a damping assembly (9) is connected to the outer end of each groove, each damping assembly (9) comprises a bottom casting block (10), each bottom casting block (10) is rectangular and internally provided with a first notch (11), a second notch (12) is formed in the inner end of the first notch (11), a guide rod (13) is inserted into the bottom casting block (10), the guide rod (13) is cylindrical, the bottom end of each guide rod is connected with a pressure spring (14), the pressure spring (14) is integrally embedded into the second notch (12) of the bottom casting block (10) and the bottom end of the pressure spring (14) is connected with the bottom casting block (10), the top end of the guide rod (13) is connected with a magnetic block (15), the magnetic block (15) is in a disc shape;

the detection structure (2) comprises a flow rate measurement part (16) and a flow measurement part (17), the flow rate measurement part (16) is arranged on the right side of the flow measurement part (17), the flow rate measurement part (16) comprises a plurality of column tubes (18), the column tubes (18) are all inserted into the sealing pad disc (5), a main control box (19) is connected to the left side of each column tube (18), and two drainage tubes (20) are horizontally connected to the left side of each main control box (19);

the protective shell (1) is made of rubber materials, resin-based paint is coated on the outer portion of the protective shell (1), and the outer wall of the protective shell (1) keeps smooth and round.

2. A high precision corrosion resistant flow rate measurement sensor as claimed in claim 1, wherein: the inner side of the first notch (11) is symmetrically provided with a plurality of column rods (21), the inner ends of the column rods (21) are connected with arc blocks (22), and the arc blocks (22) are arc-shaped and are attached to the outer wall of the guide rod (13).

3. A high precision corrosion resistant flow rate measurement sensor according to claim 1, wherein: the flow measurement part (17) comprises a strip-shaped cavity storage pipe (23) and a convex column (24) arranged on the left side of the cavity storage pipe (23), the left end of the convex column (24) is connected with a plurality of seat discs (25), and the sizes of the seat discs (25) are gradually reduced from right to left.

4. A high precision corrosion resistant flow rate measurement sensor as claimed in claim 3, wherein: the middle of the storage cavity tube (23) is provided with a square groove, the top of the square groove is provided with a liquid crystal sheet (26), a wiring end post (27) is arranged at the top end of the liquid crystal sheet (26), and the wiring end post (27) is connected with a transmission data line.

5. A high precision corrosion resistant flow rate measurement sensor as claimed in claim 1, wherein: the transmission data line internally comprises a voltage connection wire, a grounding connection wire and two RS485 connection wires.

6. A high precision corrosion resistant flow rate measurement sensor as claimed in claim 1, wherein: the intelligent box is characterized in that a main control chip (28) is arranged inside the box body (3), the main control chip (28) comprises a central processing module, a communication module, an A/D conversion module, a storage module and a display module, and the central processing module, the communication module, the A/D conversion module, the storage module and the display module are all communicated with one another.