Sensor for embedded ultrasonic flowmeter

Abstract

The utility model relates to the field of sensors, and discloses a sensor for an embedded ultrasonic flowmeter, which comprises a flow pipe barrel, the outer wall of the upper end of the flow pipe barrel is fixedly connected with a wire passing barrel, the outer wall of the upper end of the wire passing barrel is fixedly connected with a rotating shaft, the inner wall of the upper end of the rotating shaft is fixedly connected with a converter, and the converter is fixedly connected with the flow pipe barrel. A limiting block is fixedly connected to the outer wall of the left end of the converter, a cover plate is rotationally connected to the outer wall of the left end of the limiting block, and a springback assembly is elastically connected to the inner wall of the right end of the cover plate through a first spring. According to the utility model, the cover plate is rotated clockwise, the cover plate rotates clockwise to drive the two baffle plates to move towards the direction far away from the center through the fixed column, so that the data screen is exposed and read, and after reading is completed, the cover plate and the spring I are released to enable the cover plate to return to the original position, so that the data screen can be shielded through the baffle plates; accelerated aging of the data screen due to long-time irradiation of sunlight is avoided.

Description

Technical Field

[0001] The utility model relates to the field of sensors, in particular to a sensor for an embedded ultrasonic flow meter. Background Art

[0002] Ultrasonic flow meters use ultrasonic technology to measure fluid flow speed and flow rate. Its sensor is a crucial component of this system, responsible for sending and receiving ultrasonic signals and calculating the flow rate and flow rate of the fluid based on the received signals.

[0003] The working principle of ultrasonic flow meter sensors is based on the principle that the propagation speed of ultrasound in a fluid varies with the flow rate. The sensor sends ultrasound through the fluid and then receives the signals reflected from various parts of the fluid. By comparing the time difference between the transmitted and received signals, the flow rate of the fluid can be calculated, and then the flow rate of the fluid can be inferred.

[0004] The existing embedded ultrasonic flow meter sensor is used outdoors and is easily exposed to the sun. The data screen will age faster if it is exposed to the sun for a long time without being shielded. Therefore, an embedded ultrasonic flow meter sensor is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a sensor for an embedded ultrasonic flowmeter, aiming to improve the problem in the prior art that the data screen will be accelerated to age when exposed to the sun for a long time without being shielded.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sensor for an embedded ultrasonic flowmeter, comprising a flow tube, a wire tube fixedly connected to the outer wall of the upper end of the flow tube, a rotating shaft fixedly connected to the outer wall of the upper end of the wire tube, a converter fixedly connected to the inner wall of the upper end of the rotating shaft, a limiting block fixedly connected to the outer wall of the left end of the converter, a cover plate rotatably connected to the outer wall of the left end of the limiting block, a rebound component elastically connected to the inner wall of the right end of the cover plate through a spring, a baffle slidably connected to the outer wall of the rear end of the limiting block, a fixing column fixedly connected to the outer wall of the left end of the baffle, a data screen fixedly connected to the inner wall of the left end of the converter, and a connecting component is provided on the outer wall of the rear end of the flow tube.

[0007] As a further description of the above technical solution:

[0008] The connecting assembly includes a connecting flange, a hollow cylinder is slidably connected to the front inner wall of the connecting flange, a fixing ring is fixedly connected to the front outer wall of the hollow cylinder, a fixing seat is fixedly connected to the left outer wall of the flow tube, and a clamping block is elastically connected to the left inner wall of the fixing seat via a second spring.

[0009] As a further description of the above technical solution:

[0010] The rebound component includes a fixed block, the right end outer wall of the fixed block is fixedly connected to the left end outer wall of the converter, and the upper end outer wall of the fixed block is elastically connected to the right end inner wall of the cover plate through a spring.

[0011] As a further description of the above technical solution:

[0012] One end of the spring 1 is fixedly connected to the upper outer wall of the fixing block, and the other end of the spring 1 is fixedly connected to the right inner wall of the cover plate.

[0013] As a further description of the above technical solution:

[0014] A through groove is provided on the inner wall at the left end of the cover plate, and the inner wall at the right end of the cover plate is rotatably connected to the outer wall at the left end of the baffle plate.

[0015] As a further description of the above technical solution:

[0016] One end of the second spring is fixedly connected to the inner wall of the left end of the fixing seat, and the other end of the second spring is fixedly connected to the outer wall of the right end of the clamping block.

[0017] As a further description of the above technical solution:

[0018] The outer wall of the right end of the clamping block is slidably connected to the inner wall of the left end of the fixing seat, and the inner wall of the left end of the clamping block is clamped inside the fixing ring.

[0019] As a further description of the above technical solution:

[0020] The outer wall of the fixing ring is slidably connected to the front inner wall of the connecting flange, and four through holes are opened on the front inner wall of the fixing ring.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by rotating the cover plate clockwise, the clockwise rotation of the cover plate drives the two baffles to move away from the center through the fixed column, so that the data screen is exposed and the data screen is read. After the reading is completed, the cover plate is released, and the spring returns the cover plate to its original position, so that the data screen can be shielded by the baffle to prevent long-term exposure to sunlight from accelerating aging of the data screen.

[0023] 2. In the utility model, the limit on the fixing ring is released by moving the clamping block, and the hollow cylinder is driven to move backward by moving the fixing ring backward, so that the rear end of the hollow cylinder slides into the through groove of the pipe flange, so that the connecting flange and the pipe flange can be fixed, which is convenient for fixing the connecting flange and the pipe flange together by bolts later. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional schematic diagram of a sensor for an embedded ultrasonic flowmeter proposed by the utility model;

[0025] Figure 2 A schematic diagram of a spring of a sensor for an embedded ultrasonic flowmeter proposed by the utility model;

[0026] Figure 3 This is a schematic diagram of a fixing ring of a sensor for an embedded ultrasonic flowmeter proposed by the utility model;

[0027] Figure 4 This is a schematic diagram of the back side of a cover plate of a sensor for an embedded ultrasonic flowmeter proposed by the utility model.

[0028] Legend:

[0029] 1. Flow tube; 2. Wire tube; 3. Rotating shaft; 4. Converter; 5. Spring 1; 6. Cover plate; 7. Fixed column; 8. Connecting flange; 9. Hollow cylinder; 10. Fixed ring; 11. Block; 12. Baffle; 13. Data screen; 14. Limit block; 15. Fixed block; 16. Spring 2; 17. Fixed seat. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1 and Figure 2 The utility model provides an embodiment: a sensor for an embedded ultrasonic flowmeter, comprising a flow tube 1, a flow sensor is installed on the inner wall of the flow tube 1, a wire tube 2 is fixedly connected to the outer wall of the upper end of the flow tube 1, the wire passes through the wire tube 2, and the wire tube 2 protects the wire, a rotating shaft 3 is fixedly connected to the outer wall of the upper end of the wire tube 2, the rotating shaft 3 is convenient for the converter 4 to rotate, the converter 4 is fixedly connected to the inner wall of the upper end of the rotating shaft 3, a limit block 14 is fixedly connected to the outer wall of the left end of the converter 4, the limit blocks 14 are symmetrically arranged, the limit blocks 14 provide support for the rotation of the cover plate 6, the cover plate 6 is rotatably connected to the outer wall of the left end of the limit block 14, the cover plate 6 is made of transparent material, and the back of the cover plate 6 is as shown in FIG. Figure 4The cover plate 6 rotates on the left end outer wall of the baffle 12, and the rotation of the cover plate 6 drives the baffle 12 to move through the fixed column 7. A through groove is provided on the inner wall of the left end of the cover plate 6, and the inner wall of the right end of the cover plate 6 is rotatably connected to the outer wall of the left end of the baffle 12. The inner wall of the right end of the cover plate 6 is elastically connected with a rebound component through a spring 5. The baffle 12 is slidably connected to the outer wall of the rear end of the limit block 14. The baffle 12 is set to be rectangular, and there are two baffles 12. The two baffles 12 are symmetrically arranged. The baffle 12 has a shielding effect on the data screen 13 to prevent the data screen 13 from being aging due to direct sunlight for a long time. The fixed column 7 is fixedly connected to the outer wall of the left end of the baffle 12, and the fixed column 7 drives the baffle 12 to rotate through the rotation of the cover plate 6. The data screen 13 is fixedly connected to the inner wall of the left end of the converter 4, and the data screen 13 is used to display relevant data. A connecting component is provided on the outer wall of the rear end of the flow tube 1.

[0032] Reference Figure 1 and Figure 3 The connection assembly includes a connection flange 8, which can be connected to a pipe flange connected thereto by bolts. A hollow cylinder 9 is slidably connected to the inner wall of the front end of the connection flange 8. The hollow cylinder 9 slides into the through hole of the pipe flange to realize the pre-connection between the connection flange 8 and the pipe flange, which is convenient for subsequent connection by bolts. A fixing ring 10 is fixedly connected to the outer wall of the front end of the hollow cylinder 9. The fixing ring 10 is used to drive multiple hollow cylinders 9 to move simultaneously. The outer wall of the fixing ring 10 is slidably connected to the inner wall of the front end of the connection flange 8. Four through holes are opened on the inner wall of the front end of the fixing ring 10. A fixing seat 17 is fixedly connected to the outer wall of the left end of the flow tube 1. The fixing seat 17 Used to support the sliding of the card block 11, the left end inner wall of the fixed seat 17 is elastically connected with the card block 11 through the spring 2 16, the left end inner wall of the card block 11 is concave, the card block 11 is clamped in the interior of the fixed ring 10 for fixing the fixed ring 10, when the card block 11 leaves the interior of the fixed ring 10, the hollow cylinder 9 can be driven to move backward by pushing the fixed ring 10, the right end outer wall of the card block 11 is slidably connected to the left end inner wall of the fixed seat 17, the left end inner wall of the card block 11 is clamped in the interior of the fixed ring 10, one end of the spring 2 16 is fixedly connected to the left end inner wall of the fixed seat 17, and the other end of the spring 2 16 is fixedly connected to the right end outer wall of the card block 11.

[0033] Reference Figure 1 and Figure 2The rebound assembly includes a fixed block 15, which limits the cover plate 6. The fixed block 15 is used to connect the spring 5. When the cover plate 6 rotates clockwise, the spring 5 is squeezed. When the outer wall of the cover plate 6 is removed, the spring 5 drives the cover plate 6 to rotate back to its original position. The right end outer wall of the fixed block 15 is fixedly connected to the left end outer wall of the converter 4. The upper end outer wall of the fixed block 15 is elastically connected to the right end inner wall of the cover plate 6 through the spring 5. One end of the spring 5 is fixedly connected to the upper end outer wall of the fixed block 15, and the other end of the spring 5 is fixedly connected to the right end inner wall of the cover plate 6.

[0034] Working principle: The limit on the fixing ring 10 is released by moving the block 11, and the hollow cylinder 9 is driven to move backward through the fixing ring 10, so that the rear end outer wall of the hollow cylinder 9 slides into the through hole of the pipe flange, and the connecting flange 8 is positioned and pre-fixed. The pipe flange is then connected to the connecting flange 8 by bolts to complete the fixation of the sensor and perform flow detection. When it is necessary to view the data on the data screen 13, the cover plate 6 is rotated clockwise. The clockwise rotation of the cover plate 6 drives the two baffles 12 to move away from the center through the fixing column 7, so that the data screen 13 is exposed, and the data screen 13 is read. After the reading is completed, the cover plate 6 is released, and the spring 5 restores the cover plate 6 to its original position.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sensor for an embedded ultrasonic flowmeter, comprising a flow tube (1), characterized in that: A wire passing cylinder (2) is fixedly connected to the outer wall of the upper end of the flow tube (1), a rotating shaft (3) is fixedly connected to the outer wall of the upper end of the wire passing cylinder (2), a converter (4) is fixedly connected to the inner wall of the upper end of the rotating shaft (3), a limit block (14) is fixedly connected to the outer wall of the left end of the converter (4), a cover plate (6) is rotatably connected to the outer wall of the left end of the limit block (14), a rebound component is elastically connected to the inner wall of the right end of the cover plate (6) through a spring (5), a baffle (12) is slidably connected to the outer wall of the rear end of the limit block (14), a fixed column (7) is fixedly connected to the outer wall of the left end of the baffle (12), a data screen (13) is fixedly connected to the inner wall of the left end of the converter (4), and a connecting component is provided on the outer wall of the rear end of the flow tube (1).

2. The embedded ultrasonic flowmeter sensor according to claim 1, characterized in that: The connection assembly comprises a connection flange (8), a hollow cylinder (9) is slidably connected to the front inner wall of the connection flange (8), a fixing ring (10) is fixedly connected to the front outer wall of the hollow cylinder (9), a fixing seat (17) is fixedly connected to the left outer wall of the flow tube (1), and a clamping block (11) is elastically connected to the left inner wall of the fixing seat (17) via a second spring (16).

3. The embedded ultrasonic flowmeter sensor according to claim 1, characterized in that: The rebound component comprises a fixed block (15), the right end outer wall of the fixed block (15) is fixedly connected to the left end outer wall of the converter (4), and the upper end outer wall of the fixed block (15) is elastically connected to the right end inner wall of the cover plate (6) via a spring (5).

4. The embedded ultrasonic flow meter sensor according to claim 3, characterized in that: One end of the spring one (5) is fixedly connected to the upper outer wall of the fixed block (15), and the other end of the spring one (5) is fixedly connected to the right inner wall of the cover plate (6).

5. The embedded ultrasonic flow meter sensor according to claim 1, characterized in that: A through groove is provided on the inner wall at the left end of the cover plate (6), and the inner wall at the right end of the cover plate (6) is rotatably connected to the outer wall at the left end of the baffle plate (12).

6. The embedded ultrasonic flow meter sensor according to claim 2, characterized in that: One end of the second spring (16) is fixedly connected to the left inner wall of the fixing seat (17), and the other end of the second spring (16) is fixedly connected to the right outer wall of the clamping block (11).

7. The embedded ultrasonic flow meter sensor according to claim 2, characterized in that: The right end outer wall of the clamping block (11) is slidably connected to the left end inner wall of the fixing seat (17), and the left end inner wall of the clamping block (11) is clamped inside the fixing ring (10).

8. The embedded ultrasonic flow meter sensor according to claim 2, characterized in that: The outer wall of the fixing ring (10) is slidably connected to the front inner wall of the connecting flange (8), and four through holes are formed on the front inner wall of the fixing ring (10).

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