A circular wind tunnel inside vertical flow gas flow measurement sensor array structure

Abstract

The utility model discloses a circular air duct inside vertical flow direction gas flow measurement sensor array structure relates to sensor array structure technical field, including air duct, be equipped with a plurality of measuring components in the air duct, each measuring component all includes dustproof sleeve, be equipped with sensor body in the dustproof sleeve, the bottom of dustproof sleeve is provided with dustproof filter hole, one side swing of dustproof filter hole has two connecting plates of horizontal reverse sliding connection, one side of two connecting plates all is equipped with a plurality of scrapers, one side of sensor body is rotatably connected with fan, one side coaxial fixed connection of fan has the rotating link, two head -to -tail connected spiral grooves that are symmetric are set up on the rotating link, the slider is equipped with the protruding, the protruding gradually is used for sliding with two spiral grooves, be equipped with the guide component in the dustproof sleeve, two hinged links are hingedly connected on the slider, one side of two hinged links and two connecting plates correspondingly hinged, be equipped with the limiting component in the dustproof sleeve.

Description

Technical Field

[0001] This utility model relates to the field of sensor array structure technology, specifically to a sensor array structure for measuring vertical gas flow rate in a circular air duct. Background Technology

[0002] In a circular air duct, the airflow velocity is not uniform. To measure the gas flow rate in the horizontal direction of the circular air duct, a gas flow sensor is required. Generally, individual sensors are installed at multiple locations for measurement. However, this distribution method makes it difficult to accurately measure the gas flow rate in the vertical direction of the circular air duct. In actual use, dust accumulation often occurs.

[0003] The existing air duct has poor air quality. When ventilating, the air carries dust and other substances. Dust and other impurities in the environment can easily enter the sensor housing. Dust accumulation inside the sensor can damage or cause malfunction of precision components, affecting the normal operation of the sensor. Utility Model Content

[0004] The purpose of this invention is to provide a vertical gas flow measurement sensor array structure in a circular air duct to address the shortcomings of the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A vertical gas flow measurement sensor array structure within a circular air duct includes an air duct body. Multiple measuring components are disposed within the air duct body. Each measuring component includes a dustproof sleeve. A sensor body is disposed within the dustproof sleeve. A dustproof filter hole is provided at the bottom end of the dustproof sleeve. Two connecting plates are horizontally and counter-slidably connected to the side of the dustproof filter hole near the sensor body. Multiple scrapers are provided on the side of each connecting plate near the dustproof filter hole. The sensor body is located away from the dustproof filter hole. A fan is rotatably connected to one side of the dust filter hole. A rotating rod is coaxially fixed to the side of the fan near the sensor body. Two spiral grooves connected end to end are symmetrically opened on the rotating rod. A protrusion is provided inside the slider. The protrusion slides and engages with the two spiral grooves in sequence. A guide component is provided inside the dustproof sleeve for the slider to slide back and forth on the rotating rod. Two hinge rods are symmetrically hinged on the slider. The two hinge rods are hinged to one side of the two connecting plates respectively. A limiting component is provided inside the dustproof sleeve for the two connecting plates to slide horizontally in opposite directions.

[0006] Furthermore, each of the guide components includes a connecting bracket, which is horizontally disposed inside the dustproof sleeve. The rotating rod is vertically rotatably connected inside the connecting bracket. Two guide rods are vertically and symmetrically disposed on the connecting bracket. Two sliding holes are symmetrically disposed on the slider. The two guide rods and the two sliding holes are slidably connected in a one-to-one correspondence.

[0007] Furthermore, each of the limiting components includes two limiting rods, which are symmetrically and horizontally arranged inside the dustproof sleeve. Each of the two connecting plates has a limiting block on both sides. The two limiting blocks on one connecting plate are slidably sleeved with the two limiting rods in a one-to-one correspondence, and the two limiting blocks on the other connecting plate are slidably sleeved with the two limiting rods in a one-to-one correspondence.

[0008] Furthermore, the support frame is cross-shaped, with one dustproof sleeve located at the center of the bottom of the support frame, and the remaining dustproof sleeves arranged in a circumferential array at the bottom of the support frame.

[0009] Furthermore, a support frame is horizontally arranged inside the air duct body, and multiple connecting seats are provided at the bottom of the support frame. A connecting rod is vertically provided at the top of each dustproof sleeve, and each connecting rod is detachably connected to each connecting seat in a corresponding manner by a bolt.

[0010] Compared with the prior art, the beneficial effects provided by this utility model are as follows: In the vertical gas flow measurement sensor array structure in the circular air duct, the gas in the air duct drives the fan to rotate through the dust filter holes, and the dust in the air duct accumulates on the dust filter holes, preventing dust and other impurities from entering the sensor body. The fan drives the rotating rod to rotate, and through the action of the guide component, the slider moves vertically back and forth. The slider moves and drags the two connecting plates through the hinge rod. Through the action of the limiting component, the two connecting plates slide horizontally in opposite directions. Each scraper removes the accumulated dust in the dust filter holes, realizing the function of automatic cleaning and avoiding dust accumulation from affecting the collection of accurate data. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0012] Figure 1 A schematic diagram of the overall structure provided for an embodiment of this utility model;

[0013] Figure 2 Top view of the overall structure provided for an embodiment of this utility model;

[0014] Figure 3 for Figure 2 Sectional view at point AA;

[0015] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0016] Figure 5This is a partial structural diagram provided for an embodiment of the present utility model.

[0017] Explanation of reference numerals in the attached drawings: 1. Duct body; 2. Support frame; 3. Dustproof sleeve; 4. Connecting seat; 5. Bolt; 6. Connecting rod; 7. Sensor body; 8. Dustproof filter hole; 9. Connecting plate; 10. Limiting block; 11. Limiting rod; 12. Scraper; 13. Hinge rod; 14. Slider; 15. Guide rod; 16. Rotating rod; 17. Spiral groove; 18. Connecting bracket; 19. Fan. Detailed Implementation

[0018] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0019] Please see Figure 1-5 The present invention provides a technical solution: a vertical gas flow measurement sensor array structure in a circular air duct includes an air duct body 1, a plurality of measuring components inside the air duct body 1, each measuring component including a dustproof sleeve 3, a sensor body 7 inside the dustproof sleeve 3, a dustproof filter hole 8 at the bottom end of the dustproof sleeve 3, two connecting plates 9 horizontally and counter-slidably connected to the side of the dustproof filter hole 8 near the sensor body 7, and a plurality of scrapers 12 on the side of the two connecting plates 9 near the dustproof filter hole 8, a fan 19 rotatably connected to the side of the sensor body 7 away from the dustproof filter hole 8, a rotating rod 16 coaxially fixedly connected to the side of the fan 19 near the sensor body 7, two spiral grooves 17 symmetrically connected end to end on the rotating rod 16, a slider 14 having a protrusion inside, the protrusion slidingly engaging with the two spiral grooves 17 in sequence, and the dustproof sleeve 3 having a mechanism for the slider 14 to reciprocate. The guide assembly is dynamically sleeved on the rotating rod 16. Two hinge rods 13 are symmetrically hinged on the slider 14. The two hinge rods 13 are hinged to one side of the two connecting plates 9 respectively. The dustproof sleeve 3 is provided with a limiting assembly for the two connecting plates 9 to slide horizontally in the opposite direction. Specifically, the gas in the air duct drives the fan 19 to rotate through the dustproof filter hole 8, and the dust in the air duct accumulates on the dustproof filter hole 8 to prevent dust and other impurities from entering the sensor body 7. The fan 19 drives the rotating rod 16 to rotate. Through the sliding cooperation between the protrusion and the two spiral grooves 17, and through the action of the guide assembly, the slider 14 moves vertically back and forth. The movement of the slider 14 drags the two connecting plates 9 through the hinge rods 13. Through the action of the limiting assembly, the two connecting plates 9 slide horizontally back and forth in the opposite direction. Each scraper 12 removes the dust accumulated in the dustproof filter hole 8, realizing the function of automatic cleaning and avoiding dust accumulation from affecting the collection of accurate data.

[0020] As a preferred technical solution, each guide component includes a connecting bracket 18, which is horizontally set inside the dustproof sleeve 3. The rotating rod 16 is vertically rotatably connected inside the connecting bracket 18. Two guide rods 15 are vertically and symmetrically arranged on the connecting bracket 18, and two sliding holes are symmetrically opened on the slider 14. The two guide rods 15 and the two sliding holes are slidably connected in a one-to-one correspondence. Specifically, the sliding cooperation between the guide rods 15 and the sliding holes restricts the circumferential rotation of the slider 14, so that the slider 14 can only slide back and forth along the length direction of the rotating rod 16.

[0021] As a preferred technical solution, each limiting component includes two limiting rods 11, which are symmetrically and horizontally arranged inside the dustproof sleeve 3. Each side of the two connecting plates 9 is provided with a limiting block 10. The two limiting blocks 10 on one connecting plate 9 are slidably sleeved with the two limiting rods 11 in a one-to-one correspondence, and the two limiting blocks 10 on the other connecting plate 9 are slidably sleeved with the two limiting rods 11 in a one-to-one correspondence. Specifically, through the cooperation between the limiting rods 11 and the limiting blocks 10, the two connecting plates 9 can only slide horizontally in a reverse linear motion under the pushing or pulling force of the hinge rod 13. Each scraper 12 removes the accumulated dust from the dustproof filter holes 8, realizing the function of automatic cleaning and avoiding dust accumulation from affecting the collection of accurate data.

[0022] As a preferred technical solution, the support frame 2 is cross-shaped, and one of the dustproof sleeves 3 is located at the center of the bottom of the support frame 2. The remaining dustproof sleeves 3 are distributed in a circular array at the bottom of the support frame 2. Specifically, the cross-shaped support frame 2 can avoid flow field interference from complex arrays, and the array layout of multiple sensor bodies 7 can reduce errors. If one sensor body 7 fails, the remaining three can still provide triangular distribution data, and fault-tolerant calculations can be achieved by combining the center point.

[0023] As a preferred technical solution, a support frame 2 is horizontally arranged inside the air duct body 1. The bottom of the support frame 2 is provided with multiple connecting seats 4. Each dustproof sleeve 3 has a vertical connecting rod 6 at its top. Each connecting rod 6 is detachably connected to each connecting seat 4 one-to-one by a bolt 5. Specifically, on the one hand, it is convenient to install and disassemble each dustproof sleeve 3. On the other hand, the angle between the connecting rod 6 and the connecting seat 4 can be adjusted and then fixed by bolt 5. This can accommodate the installation of other centralized specifications of sensors. For example, some sensors need to be installed at a fixed angle (such as 45°).

[0024] Working principle: In this circular air duct, the gas in the vertically flowing gas flow measurement sensor array structure drives the fan 19 to rotate through the dust filter hole 8. Dust in the air duct accumulates on the dust filter hole 8, preventing dust and other impurities from entering the sensor body 7. The fan 19 drives the rotating rod 16 to rotate, and through the action between the protrusion and the spiral groove 17, the slider 14 moves vertically back and forth. The movement of the slider 14 drags the two connecting plates 9 through the hinge rod 13, causing the two connecting plates 9 to slide horizontally in opposite directions. Each scraper 12 removes the accumulated dust from the dust filter hole 8, realizing the function of automatic cleaning and preventing dust accumulation from affecting the collection of accurate data.

[0025] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A vertical gas flow rate measurement sensor array structure within a circular air duct, characterized in that, The system includes a duct body (1), which contains multiple measuring components. Each measuring component includes a dustproof sleeve (3). A sensor body (7) is located inside the dustproof sleeve (3). A dustproof filter hole (8) is provided at the bottom end of the dustproof sleeve (3). Two connecting plates (9) are horizontally and slidably connected to the side of the dustproof filter hole (8) near the sensor body (7). Multiple scrapers (12) are provided on the side of the two connecting plates (9) near the dustproof filter hole (8). A fan (19) is rotatably connected to the side of the sensor body (7) away from the dustproof filter hole (8). A rotating fan (19) is coaxially fixed to the side of the fan (19) near the sensor body (7). The rotating rod (16) has two spiral grooves (17) symmetrically connected end to end. A slider (14) is slidably sleeved on the rotating rod (16). A protrusion is provided inside the slider (14). The protrusion is slidably engaged with the two spiral grooves (17) in sequence. A guide component is provided inside the dustproof sleeve (3) and is slidably sleeved on the rotating rod (16). Two hinge rods (13) are symmetrically hinged on the slider (14). The two hinge rods (13) are hinged to one side of the two connecting plates (9) respectively. A limiting component is provided inside the dustproof sleeve (3) to make the two connecting plates (9) slide horizontally in the opposite direction. A support frame (2) is horizontally arranged inside the air duct body (1).

2. The vertical gas flow rate measurement sensor array structure in a circular air duct according to claim 1, characterized in that, Each of the guide components includes a connecting bracket (18), which is horizontally arranged inside the dustproof sleeve (3). The rotating rod (16) is vertically rotatably connected inside the connecting bracket (18). Two guide rods (15) are vertically symmetrically arranged on the connecting bracket (18). Two sliding holes are symmetrically opened on the slider (14). The two guide rods (15) are slidably connected to the two sliding holes one by one.

3. The vertical gas flow rate measurement sensor array structure in a circular air duct according to claim 1, characterized in that, Each of the limiting components includes two limiting rods (11). The two limiting rods (11) are symmetrically and horizontally arranged inside the dustproof sleeve (3). Each of the two connecting plates (9) has a limiting block (10) on both sides. The two limiting blocks (10) on one of the connecting plates (9) are slidably sleeved with the two limiting rods (11) in a one-to-one correspondence. The two limiting blocks (10) on the other connecting plate (9) are slidably sleeved with the two limiting rods (11) in a one-to-one correspondence.

4. The vertical gas flow rate measurement sensor array structure in a circular air duct according to claim 1, characterized in that, The support frame (2) is cross-shaped, and one of the dustproof sleeves (3) is located at the center of the bottom of the support frame (2), while the remaining dustproof sleeves (3) are arranged in a circular array at the bottom of the support frame (2).

5. The vertical gas flow rate measurement sensor array structure in a circular air duct according to claim 1, characterized in that, A support frame (2) is horizontally arranged inside the air duct body (1). The bottom of the support frame (2) is provided with multiple connecting seats (4). The top of each dustproof sleeve (3) is provided with a connecting rod (6). Each connecting rod (6) is detachably connected to each connecting seat (4) one by one by a bolt (5).

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