Non-invasive ultrasonic gas flowmeter

Abstract

The utility model discloses a non-intrusive ultrasonic gas flow meter, and particularly relates to the technical field of ultrasonic gas flow meters, a receiver is arranged at the other end of a connecting line, a first fixing band is arranged on the receiver, second fixing bands are symmetrically arranged on two sides of a fixing block, an inserting block is arranged on one second fixing band, and the other end of the connecting line is connected with the inserting block. An inserting groove is formed in the other second fixing band, and a screw penetrating through the inserting groove is arranged on the inserting block. The utility model provides the non-intrusive ultrasonic gas flowmeter. The displayer is fixed through the fixing block on the pipeline, the connecting line and the receiver are connected through the notches in the two sides of the fixing block, the receiver is fixed to the pipeline through the first fixing belt, and the fixing block is fixed to the pipeline through the second fixing belt. The second fixing band is fixed through the inserting block and the inserting groove, the inserting block is fixed in the inserting groove through the screw rod, and meanwhile the second fixing band is fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrasonic gas flowmeters, and particularly relates to a non-invasive ultrasonic gas flowmeter. Background Art

[0002] An ultrasonic gas flowmeter is an instrument that uses ultrasonic technology to measure the gas flow velocity, and is widely used in industries, environmental protection, water services and other fields to measure the gas flow rate. It has the advantages of non-invasive, no pressure loss, high precision, etc., will not interfere with the fluid during the measurement process, is applicable to various different pipe diameters, and can effectively correct the changes in the gas temperature and pressure in the pipeline through a flow computer.

[0003] According to the publication (announcement) number: CN210089768U, the publication (announcement) date: February 18, 2020, a disclosed portable ultrasonic gas flowmeter includes a first hoop, a wire passing hole, a portable rope, a second hoop, a fixing member, a fixing nut, a mounting block and a wire groove. The first hoop is installed on the left side of the annular side of the ultrasonic gas flowmeter main body, and the second hoop is installed on the right side of the annular side of the ultrasonic gas flowmeter main body. A wire groove is opened inside the first hoop, and a wire groove is opened inside the second hoop. A wire passing hole is opened on the front side of the annular side of the first hoop, and a wire passing hole is opened on the front side of the annular side of the second hoop. A portable rope is installed inside the wire groove, and the portable rope passes through the wire passing hole. The rear side of the annular side of the first hoop is welded with a mounting block, the fixing member is assembled inside the mounting block, and a fixing nut is screwed on the lower side of the annular side of the fixing member.

[0004] As can be seen from the above patent and the prior art, when an ultrasonic flowmeter measures the flow rate, the transmitter and the receiver need to be fixed on the inner wall of the pipeline to be detected. Based on the relationship between the propagation speed of ultrasonic waves in the fluid and the fluid flow velocity, by measuring the time difference between the emission and reception of the ultrasonic signal, and combining information such as the temperature and pressure of the fluid, the flow velocity and flow rate of the fluid are calculated. However, during maintenance, the transmitter and the receiver need to be disassembled from the pipeline, and the disassembly is rather troublesome, which affects the maintenance efficiency. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a non-invasive ultrasonic gas flowmeter, which realizes more convenient and rapid disassembly of the receiver and the transmitter.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A non-invasive ultrasonic gas flowmeter, comprising a pipeline, on which a fixing block is provided, a fixing groove is formed on the fixing block, a display is movably arranged in the fixing groove, a plurality of notches arranged in a linear array are symmetrically formed on both sides of the fixing block, a connecting wire connected to the display is movably arranged in the notches, the other end of the connecting wire is provided with a receiver, a first fixing band is arranged on the receiver, second fixing bands are symmetrically arranged on both sides of the fixing block, a plug block is arranged on one of the second fixing bands, a slot is formed on the other second fixing band, and a screw rod passing through the slot is arranged on the plug block.

[0007] Preferably, a clamping plate is arranged on the fixing block, the fixing block is clamped on the clamping plate, and a plurality of the notches are located at the bottom of the clamping plate.

[0008] Preferably, a baffle is arranged in the fixing block, a placing cavity is arranged at the bottom of the baffle, and rotating shafts are symmetrically arranged in the placing cavity.

[0009] Preferably, it includes a second fixing band which is wound around the rotating shaft.

[0010] Preferably, extension plates are symmetrically arranged on both sides of the fixing block, limiting plates are symmetrically arranged on both sides of the fixing block, a predetermined gap is left between the limiting plates and the extension plates to form a strap cavity, and the second fixing band is located in the strap cavity.

[0011] Preferably, connecting rods are symmetrically arranged on both sides of the extension plate, a cross bar is arranged on the two connecting rods, and a fixing rod is slidably arranged on the cross bar.

[0012] Preferably, pressing blocks are arranged on the two fixing rods, a plurality of elastic members arranged in a linear array are arranged at the bottom of the pressing block, and the other ends of the elastic members are arranged on the cross bar.

[0013] Preferably, the elastic member is a spring.

[0014] In the above technical solution, a non-invasive ultrasonic gas flowmeter provided by the present utility model has the following beneficial effects: The display is fixed through the fixing block on the pipeline, the connecting wire and the receiver are connected through the notches on both sides of the fixing block, the receiver is fixed on the pipeline through the first fixing band, the fixing block is fixed on the pipeline through the second fixing band, the second fixing band is fixed through the plug block and the slot, and the plug block is fixed in the slot through the screw rod, and at the same time, the second fixing band is realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0016] Figure 1 Schematic diagram of the overall structure provided by the embodiment of the present utility model;

[0017] Figure 2 Schematic diagram of the sectional structure provided by the embodiment of the present utility model;

[0018] Figure 3 Enlarged schematic diagram of the structure of part A provided by the embodiment of the present utility model.

[0019] Explanation of reference numerals:

[0020] 1. Pipeline; 11. Fixed block; 111. Clamping plate; 112. Baffle; 113. Placing cavity; 114. Rotating shaft; 12. Notch; 13. Fixed groove; 14. Display; 15. Connecting wire; 16. Receiver; 17. First fixing belt; 171. Insert block; 172. Slot; 173. Screw; 2. Extension plate; 21. Limiting plate; 22. Binding belt cavity; 23. Connecting rod; 24. Cross bar; 25. Fixed rod; 26. Elastic member; 27. Pressing block; 28. Second fixing belt. Detailed implementation manners

[0021] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the following will further introduce the present utility model in detail in conjunction with the drawings.

[0022] As Figures 1-3 shown, a non-invasive ultrasonic gas flowmeter includes a pipeline 1, a fixed block 11 is arranged on the pipeline 1, a fixed groove 13 is opened on the fixed block 11, a display 14 is movably arranged in the fixed groove 13, a plurality of linearly arrayed notches 12 are symmetrically opened on both sides of the fixed block 11, a connecting wire 15 connected to the display 14 is movably arranged in the notch 12, the other end of the connecting wire 15 is provided with a receiver 16, a first fixing belt 17 is arranged on the receiver 16, second fixing belts 28 are symmetrically arranged on both sides of the fixed block 11, an insert block 171 is arranged on one of the second fixing belts 28, a slot 172 is opened on the other second fixing belt 28, and a screw 173 passing through the slot 172 is arranged on the insert block 171.

[0023] Specifically, when in use, the second fixing straps 28 at both ends of the fixing block 11 are wound around the pipeline 1, then the insertion block 171 at one end of the second fixing strap 28 is inserted into the slot 172 on the other second fixing strap 28, then the screw 173 is inserted into the side of the slot 172, then passes through the slot 172 and enters the insertion block 171 to fix the insertion block 171 in the slot 172, fix the fixing block 11 in the pipeline 1, then place the display 14 in the fixing groove 13, then insert the connecting wire 15 into the notch 12 and enter the fixing block 11, and then insert the other end into the receiver 16. At the same time, the first fixing straps 17 provided at both ends of the receiver 16 are tied to the pipeline 1 to fix the receiver 16.

[0024] In the above solution, the display 14 is fixed by the fixing block 11 on the pipeline 1, the connecting wire 15 and the receiver 16 are connected through the notches 12 on both sides of the fixing block 11, the receiver 16 is fixed on the pipeline 1 by the first fixing strap 17, the fixing block 11 is fixed on the pipeline 1 by the second fixing strap 28, the second fixing strap 28 is fixed by the insertion block 171 and the slot 172, the insertion block 171 is fixed in the slot 172 by the screw 173, and at the same time the second fixing strap 28 is realized.

[0025] As a further embodiment provided by the present utility model, according to Figure 1 and Figure 2 shown, a clamping plate 111 is provided on the fixing block 11, the fixing block 11 is stuck on the clamping plate 111, and a plurality of notches 12 are located at the bottom of the clamping plate 111.

[0026] Specifically, the fixing block 11 is placed on the clamping plate 111 and fixed by the clamping plate 111.

[0027] As a further embodiment provided by the present utility model, according to Figure 2 shown, a baffle 112 is provided in the fixing block 11, a placement cavity 113 is provided at the bottom of the baffle 112, and rotating shafts 114 are symmetrically provided in the placement cavity 113.

[0028] Furthermore, it includes a second fixing strap 28, and the second fixing strap 28 is wound around the rotating shaft 114.

[0029] Even further, extension plates 2 are symmetrically provided on both sides of the fixing block 11, limiting plates 21 are symmetrically provided on both sides of the fixing block 11, a predetermined gap is left between the limiting plate 21 and the extension plate 2 to form a strap cavity 22, and the second fixing strap 28 is located in the strap cavity 22.

[0030] Specifically, pulling the second fixing belt 28 will drive the rotation of the rotating shaft 114. At the same time, the torsion spring on the rotating shaft 114 is stressed. At the same time, the second fixing belt 28 slides outward in the belt cavity 22, and the belt cavity 22 limits the second fixing belt 28.

[0031] As a further embodiment provided by the present utility model, according to Figure 2 As shown, connecting rods 23 are symmetrically arranged on both sides of the extension plate 2. A cross bar 24 is arranged on the two connecting rods 23, and a fixing rod 25 is slidably arranged on the cross bar 24.

[0032] Furthermore, pressing blocks 27 are arranged on the two fixing rods 25. At the bottom of the pressing blocks 27, a plurality of elastic members 26 arranged in a linear array are provided, and the other ends of the elastic members 26 are arranged on the cross bar 24.

[0033] Specifically, pulling the pressing block 27 drives the stress of the plurality of elastic members 26. At the same time, the pushing of the plurality of fixing rods 25 against the limiting plate 21 is cancelled. At the same time, the second fixing belt 28 moves in the belt cavity 22. When the second fixing belt 28 is fixed, release the pulling of the pressing block 27 to make the elastic members 26 release force and re-fix the second fixing belt 28.

[0034] Working principle: During use, pull the pressing block 27 to drive the stress of the plurality of elastic members 26. At the same time, the pushing of the plurality of fixing rods 25 against the limiting plate 21 is cancelled. The second fixing belts 28 at both ends of the fixing block 11 are wound around the pipeline 1. At the same time, the second fixing belt 28 moves in the belt cavity 22. Then, insert the insertion block 171 at one end of the second fixing belt 28 into the slot 172 on another second fixing belt 28. Then, insert the screw 173 into the side of the slot 172 and then pass through the slot 172 and enter the insertion block 171 to fix the insertion block 171 in the slot 172. When the second fixing belt 28 is fixed, release the pulling of the pressing block 27 to make the elastic members 26 release force and re-fix the second fixing belt 28, fixing the fixing block 11 in the pipeline 1. Then, place the display 14 in the fixing groove 13. Then, insert the connecting line 15 into the slot opening 12 and enter the fixing block 11. Then, insert the other end into the receiver 16. At the same time, tie the first fixing belts 17 arranged at both ends of the receiver 16 to the pipeline 1 to fix the receiver 16.

[0035] Only some exemplary embodiments of the present utility model are described by way of illustration above. Without doubt, for those of ordinary skill in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the present utility model. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present utility model.

Claims

1. A non-invasive ultrasonic gas flow meter, characterized in that: The invention comprises a pipe (1), wherein a fixing block (11) is arranged on the pipe (1), a fixing groove (13) is provided on the fixing block (11), a display (14) is movably arranged in the fixing groove (13), a plurality of notches (12) arranged in a linear array are symmetrically provided on both sides of the fixing block (11), a connecting line (15) connected to the display (14) is movably provided in the notch (12), a receiver (16) is provided at the other end of the connecting line (15), a first fixing belt (17) is provided on the receiver (16), and second fixing belts (28) are symmetrically provided on both sides of the fixing block (11), one of the second fixing belts (28) is provided with an insert block (171), the other second fixing belt (28) is provided with a slot (172), and the insert block (171) is provided with a screw rod (173) passing through the slot (172).

2. A non-invasive ultrasonic gas flow meter according to claim 1, characterized in that: A clamping plate (111) is provided on the fixing block (11), the fixing block (11) is clamped on the clamping plate (111), and the plurality of notches (12) are located at the bottom of the clamping plate (111).

3. A non-invasive ultrasonic gas flow meter according to claim 2, characterized in that: A baffle (112) is arranged inside the fixed block (11), a placement cavity (113) is arranged at the bottom of the baffle (112), and a rotating shaft (114) is symmetrically arranged inside the placement cavity (113).

4. A non-invasive ultrasonic gas flow meter according to claim 3, characterized in that: It comprises a second fixing belt (28), wherein the second fixing belt (28) is wound around the rotating shaft (114).

5. The non-invasive ultrasonic gas flow meter according to claim 1, characterized in that: Extension plates (2) are symmetrically arranged on both sides of the fixing block (11), and limiting plates (21) are symmetrically arranged on both sides of the fixing block (11), a predetermined gap is left between the limiting plates (21) and the extension plates (2) to form a strap cavity (22), and the second fixing strap (28) is located in the strap cavity (22).

6. A non-invasive ultrasonic gas flow meter according to claim 5, characterized in that: Connecting rods (23) are symmetrically arranged on both sides of the extension plate (2), cross rods (24) are arranged on the two connecting rods (23), and fixing rods (25) are slidably arranged on the cross rods (24).

7. A non-invasive ultrasonic gas flow meter according to claim 6, characterized in that: A pressing block (27) is arranged on the two fixing rods (25), and a plurality of elastic members (26) arranged in a linear array are arranged at the bottom of the pressing block (27), and the other end of the elastic member (26) is arranged on the cross bar (24).

8. A non-invasive ultrasonic gas flow meter according to claim 7, characterized in that: The elastic member (26) is a spring.

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