Flow-adjustable air distribution valve for ventilator and air distribution method

Abstract

The invention belongs to the technical field of air distribution valve equipment, and particularly relates to a flow-adjustable air distribution valve for a ventilator and an air distribution method.The air distribution valve comprises a valve body, and the valve body comprises an air inlet part, a first air outlet part and a second air outlet part; the end part of the air inlet part is connected with an air outlet of a ventilator; a valve plate adjusting mechanism is installed at the intersection position of the air inlet part, the first air outlet part and the second air outlet part. The air volume in the air outlet part I and the air volume in the air outlet part II are simultaneously adjusted through the valve plate adjusting mechanism; compared with the prior art, the combustion-supporting fan has the advantages that by means of the technical scheme, the situation that one combustion-supporting fan supplies two air pipes for combustion supporting can be completely met, and the air volume in the first air outlet part and the air volume in the second air outlet part can be adjusted at the same time through the valve plate adjusting mechanism; therefore, the redistribution of the air quantity in the air outlet part I and the air outlet part II is realized; compared with the mode that two draught fans are adopted for conveying and adjusting respectively, the technical scheme saves cost, and the air volume distribution method is simple and efficient.

Description

Technical Field

[0001] The present invention belongs to the technical field of air distribution valve equipment, and in particular relates to an air distribution valve with adjustable flow for a ventilator and an air volume distribution method. Background Art

[0002] In the prior art, when using a combustion-supporting fan, it is often necessary to deliver two air streams to different locations inside a burner such as a boiler. A common practice is to use two fans for delivery and regulation respectively, and often requires complex interlocking control to meet combustion requirements.

[0003] When one combustion-supporting fan is used to supply two air ducts, the air distribution valve is a fixed structure and cannot distribute the flow in the two air ducts according to actual needs. Summary of the Invention

[0004] The present invention aims at the technical problems existing in the air supply of a combustion-supporting fan in the prior art and provides an air distribution valve with adjustable flow for a ventilator and an air volume distribution method.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an air distribution valve with adjustable flow for a fan, comprising a valve body main body, the valve body main body is Y-shaped, and includes an air inlet part, an air outlet part one and an air outlet part two; the end of the air inlet part is connected to the air outlet of the fan; a valve plate adjustment mechanism is installed at the intersection of the air inlet part, the air outlet part one and the air outlet part two; the valve plate adjustment mechanism can simultaneously adjust the air volume in the air outlet part one and the air outlet part two, thereby realizing the redistribution of the air volume in the air outlet part one and the air outlet part two.

[0006] Preferably, the valve plate adjustment mechanism includes valve plate 1, valve plate 2, core shaft 1 and core shaft 2, the upper end of the core shaft 2 is fixedly connected to an intermediate rod, the diameter of the intermediate rod is smaller than the diameter of the core shaft 2; the core shaft 1 is located at the upper part of the core shaft 2, and a cavity is opened at the lower part of the core shaft, and the intermediate rod is located in the cavity of the core shaft 1; One end of the valve plate is fixedly connected to the lower part of the surface of the core shaft one, and the second end of the valve plate is fixedly connected to the upper part of the surface of the core shaft two; the end of the valve plate one away from the core shaft one is located in the air outlet part one; the end of the valve plate two away from the core shaft two is located in the air outlet part two; the heights of the valve plate one and the valve plate two are both equal to the internal height of the valve body.

[0007] Preferably, the upper end of the core shaft 1 passes through the upper surface of the valve body main body, and the valve body main body and the core shaft 1 are installed with bearing 1 at corresponding positions, and the core shaft 1 is installed in bearing 1; the lower end of the core shaft 2 passes through the lower surface of the valve body main body, and the valve body main body and the core shaft 2 are installed with bearing 2 at corresponding positions, and the core shaft 2 is installed in bearing 2.

[0008] Preferably, the valve plate adjustment mechanism also includes handle one and handle two; handle one is fixedly or detachably connected to the upper end of core shaft one and can drive core shaft one to rotate in bearing one; handle two is fixedly or detachably connected to the lower end of core shaft two and can drive core shaft two to rotate in bearing two.

[0009] Preferably, a first dial is provided on the upper surface of the valve body corresponding to the rotation path of the first handle; and a second dial is provided on the lower surface of the valve body corresponding to the rotation path of the second handle.

[0010] Preferably, each scale position of the scale plate 1 is provided with a positioning hole 1, and the handle 1 is provided with a positioning hole 2, and the handle 1 is fixed by a pin rod passing through the positioning hole 2 and the positioning hole 1 in sequence; Each scale position of the scale plate 2 is provided with a positioning hole 3, and the handle 2 is provided with a positioning hole 4. The handle 2 is fixed by using a pin rod passing through the positioning hole 4 and the positioning hole 3 in sequence.

[0011] Preferably, the valve plate adjustment mechanism also includes servo motor 1, servo motor 2 and a servo driver, the output shaft of servo motor 1 is connected to the upper end of core shaft 1 through a coupling, and the output shaft of servo motor 2 is connected to the lower end of core shaft 2 through a coupling.

[0012] Preferably, the ends of the first air outlet portion and the second air outlet portion are respectively connected to different positions inside the burner.

[0013] A method for distributing air volume from a ventilator is disclosed, wherein an air distribution valve with an adjustable flow rate is installed at the air outlet of the ventilator to distribute the air output from the ventilator, and the method comprises the following steps: when the air volume of air outlet section one and air outlet section two needs to be changed, handle one or handle two is adjusted individually, or handle one and handle two are adjusted simultaneously, so as to change the ratio of the air flow area between the end of air outlet section one close to the air inlet section and the end of air outlet section two close to the air inlet section, thereby changing the air volume distribution ratio within air outlet section one and air outlet section two.

[0014] A method for distributing air volume from a ventilator is disclosed, wherein an air distribution valve with an adjustable flow rate is installed at the air outlet of the ventilator to distribute the air output from the ventilator, and the method comprises the following steps: when the air volume of air outlet section one and air outlet section two needs to be changed, valve plate one or valve plate two is adjusted individually by a servo driver, or valve plate one and valve plate two are adjusted simultaneously by a servo driver to achieve a change in the ratio of the air flow area between the end of air outlet section one close to the air inlet section and the end of air outlet section two close to the air inlet section, thereby changing the air volume distribution ratio within air outlet section one and air outlet section two.

[0015] Compared with the prior art, the advantages and positive effects of the present invention are: (1) The technical solution of the present invention can fully meet the situation where one combustion-supporting fan supplies two air ducts for combustion support. The air volume in the air outlet part 1 and the air outlet part 2 can be adjusted simultaneously through the valve plate adjustment mechanism (the air volume of the air inlet is constant, the air volume of the air outlet part 1 changes, and the air volume of the air outlet part 2 also changes accordingly), thereby realizing the redistribution of the air volume in the air outlet part 1 and the air outlet part 2; (2) Compared with using two fans to transport and regulate separately, the technical solution of the present invention not only saves costs but also makes the air volume distribution method simple and efficient; (3) When the air volume of the air outlet section 1 and the air outlet section 2 needs to be changed, the handle 1 or the handle 2 is adjusted individually, or the handle 1 and the handle 2 are adjusted simultaneously to change the ratio of the wind flow area of ​​the end of the air outlet section 1 close to the air inlet section and the end of the air outlet section 2 close to the air inlet section, thereby changing the air volume distribution ratio in the air outlet section 1 and the air outlet section 2; (4) When the air volume of the air outlet section 1 and the air outlet section 2 needs to be changed, the valve plate 1 or the valve plate 2 is adjusted separately by the servo driver, or the valve plate 1 and the valve plate 2 are adjusted simultaneously by the servo driver to change the ratio of the air flow area of ​​the end of the air outlet section 1 close to the air inlet and the end of the air outlet section 2 close to the air inlet, thereby changing the air volume distribution ratio in the air outlet section 1 and the air outlet section 2; (5) The different scales on the scale plate represent the distance from the valve plate to the boundary edge between the air outlet part 1 and the air inlet part; the air flow area at the end of the air outlet part 1 close to the air inlet part is proportional to the above distance; (6) The valve plate 1 and valve plate 2 can be adjusted respectively by using the core shaft 1 and the core shaft 2. At the same time, the core shaft 1 and the core shaft 2 are coaxial, which makes the structure of the air distribution valve simple and the control flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments: Figure 1 A perspective view of an adjustable flow air distribution valve for a ventilator; Figure 2 A three-dimensional diagram of an air distribution valve with adjustable flow for a ventilator; Figure 3 A top view of an adjustable flow air distribution valve for a ventilator; Figure 4 This is the main view of the air distribution valve with adjustable flow for the ventilator; Figure 5 A three-dimensional diagram of the valve plate adjustment mechanism of an adjustable flow air distribution valve for a ventilator; Figure 6 Schematic diagram of the core shaft 1 and handle 1 in the valve plate adjustment mechanism; Figure 7 This is a schematic diagram of the core shaft 2 and handle 2 in the valve plate adjustment mechanism.

[0017] Description of reference numerals: 1. Valve body, 2. Air inlet, 3. Air outlet 1, 4. Air outlet 2, 5. Valve plate 1, 6. Valve plate 2, 7. Mandrel 1, 8. Handle 1, 9. Handle 2; 10, core shaft 2, 101, middle rod; 11. Positioning hole two, 12. Positioning hole four. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0020] Example 1 The following combination Figure 1-Figure 7 The flow-adjustable air distribution valve for a ventilator in Example 1 is further described as follows: Figure 1-Figure 3 As shown, it includes a valve body 1, which is Y-shaped and includes an air inlet 2, an air outlet 1 3 and an air outlet 2 4; the end of the air inlet 2 is connected to the air outlet of the fan; a valve plate adjustment mechanism is installed at the intersection of the air inlet 2, the air outlet 1 3 and the air outlet 2 4; the valve plate adjustment mechanism can simultaneously adjust the air volume in the air outlet 1 3 and the air outlet 2 4, thereby realizing the redistribution of the air volume in the air outlet 1 3 and the air outlet 2 4.

[0021] like Figure 5-Figure 7 As shown, the valve plate adjustment mechanism includes valve plate 1 5, valve plate 2 6, core shaft 1 7 and core shaft 2 10. The upper end of core shaft 2 10 is fixedly connected to an intermediate rod 101, and the diameter of the intermediate rod 101 is smaller than the diameter of core shaft 2 10; core shaft 1 7 is located at the upper part of core shaft 2 10, and a cavity is opened at the lower part of core shaft 1 7, and the intermediate rod 101 is located in the cavity of core shaft 1 7.

[0022] Figure 1 When middle valve plate 1 (5) rotates clockwise until its end contacts the inner wall of air outlet section 1 (3), the air volume in air outlet section 1 (3) is zero. When valve plate 1 (5) rotates counterclockwise until its end contacts the inner wall of air outlet section 1 (3), the air volume in air outlet section 1 (3) is maximum. When valve plate 2 (6) rotates counterclockwise until its end contacts the inner wall of air outlet section 2 (4), the air volume in air outlet section 2 (4) is zero. When valve plate 2 (6) rotates clockwise until its end contacts the inner wall of air outlet section 2 (4), the air volume in air outlet section 2 (4) is maximum.

[0023] like Figure 6 and Figure 7As shown, the end of valve plate 15 is fixedly connected to the lower surface of core shaft 17, and the end of valve plate 26 is fixedly connected to the upper surface of core shaft 2 10; the end of valve plate 15 away from core shaft 17 is located in air outlet portion 13; the end of valve plate 26 away from core shaft 2 10 is located in air outlet portion 2 4; the heights of valve plate 15 and valve plate 26 are both equal to the internal height of the valve body 1.

[0024] like Figure 4 As shown, the upper end of core shaft 1 7 passes through the upper surface of valve body 1, and bearing 1 is installed at the corresponding position of valve body 1 and core shaft 1 7, and core shaft 1 7 is installed in bearing 1. The lower end of core shaft 2 10 passes through the lower surface of valve body 1, and bearing 2 is installed at the corresponding position of valve body 1 and core shaft 2 10, and core shaft 2 10 is installed in bearing 2. Although core shaft 1 7 and core shaft 2 10 are coaxial, they are not a single piece and can rotate independently.

[0025] like Figure 4 and Figure 5 As shown, the valve plate adjustment mechanism also includes a handle 1 8 and a handle 2 9; the handle 1 8 is fixedly or detachably connected to the upper end of the core shaft 1 7 and can drive the core shaft 1 7 to rotate in the bearing 1; the handle 2 9 is fixedly or detachably connected to the lower end of the core shaft 2 10 and can drive the core shaft 2 10 to rotate in the bearing 2.

[0026] A scale plate 1 is provided on the upper surface of the valve body 1 at a position corresponding to the rotation path of the handle 1 8 ; a scale plate 2 is provided on the lower surface of the valve body 1 at a position corresponding to the rotation path of the handle 2 9 .

[0027] Each scale position of the scale plate is provided with a positioning hole. Figure 5 As shown, handle 1 (8) is provided with a positioning hole (2) (11). A pin is inserted through positioning hole (2) (11) and positioning hole (1) to secure handle 1 (8). The different scales on dial (1) represent the distance from valve plate (5) to the intersection of air outlet (3) and air inlet (2). The airflow area at the end of air outlet (3) near the air inlet (2) is proportional to this distance.

[0028] Each scale position of the scale plate 2 is provided with a positioning hole 3, such as Figure 5 As shown, handle 2 (9) is provided with a positioning hole 4 (12). A pin is inserted through positioning hole 4 (12) and positioning hole 3, respectively, to secure handle 2 (9). The different scales on dial 2 represent the distance from valve plate 2 (6) to the intersection of air outlet 2 (4) and air inlet 2 (2). The airflow area at the end of air outlet 2 (4) near the air inlet 2 is proportional to this distance.

[0029] The ends of the air outlet portion 1 3 and the air outlet portion 2 4 are respectively connected to different positions inside the burner.

[0030] A method for distributing air volume of a ventilator is provided, wherein the ventilator is provided with an adjustable flow air distribution valve installed at the air outlet of the ventilator to distribute the air output of the ventilator, and the method comprises the following steps: When it is necessary to change the air output of the air outlet part 1 3 and the air outlet part 2 4, the handle 1 8 or the handle 2 9 is adjusted separately, or the handle 1 8 and the handle 2 9 are adjusted simultaneously to change the ratio of the wind flow area of ​​the end of the air outlet part 1 3 close to the air inlet part 2 to the end of the air outlet part 2 4 close to the air inlet part 2, thereby changing the air volume distribution ratio in the air outlet part 1 3 and the air outlet part 2 4.

[0031] Example 2 The difference between this embodiment and embodiment 1 is that the valve plate adjustment mechanism also includes servo motor 1, servo motor 2 and servo driver, the output shaft of servo motor 1 is connected to the upper end of core shaft 1 7 through a coupling, and the output shaft of servo motor 2 is connected to the lower end of core shaft 2 10 through a coupling.

[0032] A method for distributing air volume of a ventilator is provided, wherein the ventilator is provided with an adjustable flow air distribution valve installed at the air outlet of the ventilator to distribute the air output of the ventilator, and the method comprises the following steps: When it is necessary to change the air output of the air outlet part 1 3 and the air outlet part 2 4, the servo driver is used to adjust the valve plate 1 5 or the valve plate 2 6 separately, or the servo driver is used to adjust the valve plate 1 5 and the valve plate 2 6 simultaneously to achieve a change in the ratio of the wind flow area of ​​the end of the air outlet part 1 3 close to the air inlet part 2 to the end of the air outlet part 2 4 close to the air inlet part 2, thereby changing the air volume distribution ratio in the air outlet part 1 3 and the air outlet part 2 4.

[0033] The above description is merely a preferred embodiment of the present invention and does not constitute any other form of limitation to the present invention. Any person skilled in the art may utilize the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes for application in other fields. However, any simple modification or equivalent change made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. An adjustable flow air distribution valve for a ventilator, characterized in that: The invention comprises a valve body (1), wherein the valve body (1) is Y-shaped and comprises an air inlet (2), an air outlet part 1 (3) and an air outlet part 2 (4); the end of the air inlet (2) is connected to the air outlet of a ventilator; a valve plate adjustment mechanism is installed at the intersection of the air inlet (2), the air outlet part 1 (3) and the air outlet part 2 (4); the air volume in the air outlet part 1 (3) and the air outlet part 2 (4) can be adjusted simultaneously by the valve plate adjustment mechanism, thereby realizing the redistribution of the air volume in the air outlet part 1 (3) and the air outlet part 2 (4).

2. The flow-adjustable air distribution valve for a ventilator according to claim 1, characterized in that: The valve plate adjustment mechanism comprises valve plate 1 (5), valve plate 2 (6), core shaft 1 (7) and core shaft 2 (10); the upper end of the core shaft 2 (10) is fixedly connected with an intermediate rod (101); the diameter of the intermediate rod (101) is smaller than the diameter of the core shaft 2 (10); the core shaft 1 (7) is located at the upper part of the core shaft 2 (10), and a cavity is opened at the lower part of the core shaft 1 (7); the intermediate rod (101) is located in the cavity of the core shaft 1 (7); The end of the valve plate one (5) is fixedly connected to the lower surface of the core shaft one (7), and the end of the valve plate two (6) is fixedly connected to the upper surface of the core shaft two (10); the end of the valve plate one (5) away from the core shaft one (7) is located in the air outlet part one (3); the end of the valve plate two (6) away from the core shaft two (10) is located in the air outlet part two (4); the heights of the valve plate one (5) and the valve plate two (6) are both equal to the internal height of the valve body (1).

3. The flow-adjustable air distribution valve for a ventilator according to claim 2, characterized in that: The upper end of the core shaft 1 (7) passes through the upper surface of the valve body (1), and a bearing 1 is installed at the corresponding position of the valve body (1) and the core shaft 1 (7), and the core shaft 1 (7) is installed in the bearing 1; the lower end of the core shaft 2 (10) passes through the lower surface of the valve body (1), and a bearing 2 is installed at the corresponding position of the valve body (1) and the core shaft 2 (10), and the core shaft 2 (10) is installed in the bearing 2.

4. The flow-adjustable air distribution valve for a ventilator according to claim 3, characterized in that: The valve plate adjustment mechanism also includes a handle 1 (8) and a handle 2 (9); the handle 1 (8) is fixedly or detachably connected to the upper end of the core shaft 1 (7) and can drive the core shaft 1 (7) to rotate in the bearing 1; the handle 2 (9) is fixedly or detachably connected to the lower end of the core shaft 2 (10) and can drive the core shaft 2 (10) to rotate in the bearing 2.

5. The flow-adjustable air distribution valve for a ventilator according to claim 4, characterized in that: A first dial is provided on the upper surface of the valve body (1) at a position corresponding to the rotation path of handle one (8); and a second dial is provided on the lower surface of the valve body (1) at a position corresponding to the rotation path of handle two (9).

6. The flow-adjustable air distribution valve for a ventilator according to claim 5, characterized in that: Each scale position of the scale plate is provided with a positioning hole 1, and the handle 1 (8) is provided with a positioning hole 2 (11), and the handle 1 (8) is fixed by a pin rod passing through the positioning hole 2 (11) and the positioning hole 1 in sequence; Each scale position of the scale plate 2 is provided with a positioning hole 3, and the handle 2 (9) is provided with a positioning hole 4 (12). The handle 2 (9) is fixed by a pin rod passing through the positioning hole 4 (12) and the positioning hole 3 in sequence.

7. The flow-adjustable air distribution valve for a ventilator according to claim 3, characterized in that: The valve plate adjustment mechanism also includes a servo motor 1, a servo motor 2 and a servo driver. The output shaft of the servo motor 1 is connected to the upper end of the core shaft 1 (7) through a coupling, and the output shaft of the servo motor 2 is connected to the lower end of the core shaft 2 (10) through a coupling.

8. The flow-adjustable air distribution valve for a ventilator according to claim 6 or 7, characterized in that: The ends of the air outlet part 1 (3) and the air outlet part 2 (4) are respectively connected to different positions inside the burner.

9. A method for distributing air volume of a ventilator, characterized in that: The method of installing the adjustable flow air distribution valve for the ventilator according to claim 6 at the air outlet of the ventilator to distribute the air discharged by the ventilator comprises the following contents: When it is necessary to change the air volume of the air outlet portion 1 (3) and the air outlet portion 2 (4), the handle 1 (8) or the handle 2 (9) is adjusted individually, or the handle 1 (8) and the handle 2 (9) are adjusted simultaneously, so as to change the ratio of the wind flow area of ​​the end of the air outlet portion 1 (3) close to the air inlet portion (2) and the end of the air outlet portion 2 (4) close to the air inlet portion (2), thereby changing the air volume distribution ratio in the air outlet portion 1 (3) and the air outlet portion 2 (4).

10. A method for distributing air volume of a ventilator, characterized in that: The ventilator air distribution valve with adjustable flow rate as claimed in claim 7 is installed at the air outlet of the ventilator to distribute the air output of the ventilator, including the following contents: When it is necessary to change the air volume of the air outlet portion 1 (3) and the air outlet portion 2 (4), the valve plate 1 (5) or the valve plate 2 (6) is adjusted individually by using a servo driver, or the valve plate 1 (5) and the valve plate 2 (6) are adjusted simultaneously by using a servo driver, so as to change the ratio of the wind flow area of ​​the end of the air outlet portion 1 (3) close to the air inlet portion (2) to the end of the air outlet portion 2 (4) close to the air inlet portion (2), thereby changing the air volume distribution ratio in the air outlet portion 1 (3) and the air outlet portion 2 (4).

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