CN207539410U - A kind of wind-tunnel high-precision flow control valve - Google Patents
A kind of wind-tunnel high-precision flow control valve Download PDFInfo
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- CN207539410U CN207539410U CN201721450943.XU CN201721450943U CN207539410U CN 207539410 U CN207539410 U CN 207539410U CN 201721450943 U CN201721450943 U CN 201721450943U CN 207539410 U CN207539410 U CN 207539410U
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Abstract
The utility model belongs to wind-tunnel technique, is related to a kind of wind-tunnel high-precision flow control valve.It is characterized in that：It includes valve body (2), mounted on 10 roads of valve body (2) Shang to the identical runner of 20 line structures, control gas circuit and switch board.The utility model proposes a kind of wind-tunnel high-precision flow control valves, substantially increase analog regulation valve flow control accuracy, meet the needs that power simulation wind tunnel test high-precision flow is adjusted.
Description
Technical field
The utility model belongs to wind-tunnel technique, is related to a kind of wind-tunnel high-precision flow control valve.
Background technology
Wind tunnel test, computer mould fit the three big important means that flight test is aerodynamic studies.As air
The necessary means of dynamics research, wind tunnel test provide theoretical foundation for the research of various aircraft.With thrust vectoring skill
The continuous development of art is also constantly improving the required precision of pressure flow hybrid control during experiment, is developing high-precision pressure
Power flow control valve has become the inexorable trend of technology development.Flow control valve is as in wind-tunnel dynamic simulation trial system
Key equipment, form is varied, at present mostly using throttling cone form, by change pipeline circulation area control stream
Amount.Domestic best analog regulation valve flow control accuracy is only 0.5% at present, still cannot meet power simulation wind tunnel test
The needs that high-precision flow is adjusted.
Utility model content
The purpose of this utility model is：A kind of wind-tunnel high-precision flow control valve is proposed, to improve analog regulation valve stream
Control accuracy is measured, meets the needs that power simulation wind tunnel test high-precision flow is adjusted.
The technical solution of the utility model is：A kind of wind-tunnel high-precision flow control valve, it is characterised in that：It includes valve body
2nd, mounted on the identical runner in 2 Shang of valve body, 10 roads to 20 line structures, control gas circuit and switch board；The quantity of runner is even number n,
All runners are mounted on the upper surface of valve body 2, are divided into two row runners along the width direction of valve body 2, and the runner number of each column is identical,
The spacing of adjacent channels is equal；The runner of 2 front surface of adjacent valve body is known as forefront runner, from left to right defines forefront runner
Serial number：No. 1 runner, No. 2 runner ... n/2 runners；The runner of adjacent 2 rear surface of valve body is known as rank rear runner, from a left side to
The right serial number for defining rank rear runner：(n/2+1) number runner, (n/2+2) number runner ... n runners；
Valve body 2 has the shape of a rectangular parallelepiped, and on the top of the right side of valve body 2, there are one valve body air inlet blind hole 2f, valve bodies
The axis of air inlet blind hole 2f is vertical with the right side of valve body 2, the bottom hole of valve body air inlet blind hole 2f close to the left side of valve body 2,
There is valve body air inlet blind-hole joint 2b on the right side of valve body 2；Have on the left side of valve body 2, below valve body air inlet blind hole 2f
One valve body is vented blind hole 2c, and the axis of valve body exhaust blind hole 2c is vertical with the left side of valve body 2, on the left side of valve body 2
There is valve body to be vented blind-hole joint 2a, the axis of axis and valve body exhaust blind hole 2c for defining valve body air inlet blind hole 2f is determined flat
The entitled two row runner in face divides face equally, and it is vertical with the upper surface of valve body 2 that two row runners divide face equally；On the upper surface of valve body 2, two
Row runner divides before face the runner mounting hole for having a row for installing forefront runner equally, on the upper surface of valve body 2, two row streams
The runner mounting hole for having a row for installing rank rear runner is divided behind face in road equally；The axis of runner mounting hole is perpendicular to valve body 2
Upper surface, runner mounting hole is stepped hole, its upper sector hole is unthreaded hole 2g, its lower sector hole is threaded hole 2d, unthreaded hole 2g's
Aperture is more than the maximum inner diameter of threaded hole 2d, and the lower port of threaded hole 2d is connected with valve body exhaust blind hole 2c；
The runner includes inserted valve 3, the runner mounting hole on valve body 2, jet pipe 1 and sealing ring 6；Inserted valve 3 is goods
Frame product has the insertion valve body 3c of cylinder in the lower part of inserted valve 3, is being inserted into inserting there are one radially perforation in valve body 3c
Valve air admission hole 3a is filled, there are one be opened on inserting for 3 lower face of inserted valve in insertion valve body 3c, below inserted valve air admission hole 3a
Connect after control valve in the upper port series connection inserted valve of dress valve venthole 3b, inserted valve venthole 3b with inserted valve air admission hole 3a
Logical, the insertion valve body 3c of inserted valve 3 is inserted into the unthreaded hole 2g of runner mounting hole and transition is kept to coordinate, and inserted valve air admission hole 3a leads to
The gas circuit crossed inside valve body 2 is connected with valve body air inlet blind hole 2f；When the electromagnetic driver on 3 top of inserted valve is controlled by switch board
During system power-off, inserted valve air admission hole 3a and inserted valve venthole 3b is disconnected；When the electromagnetic driver on 3 top of inserted valve is by switch board
Control be powered when, inserted valve air admission hole 3a is connected with inserted valve venthole 3b；Jet pipe 1 is the cylinder for having Step Shaft shape,
The epimere of jet pipe 1 is light cylinder 1a, and hypomere is external screw thread cylinder 1b, and the outer diameter of light cylinder 1a is more than the outer diameter of external screw thread cylinder 1b, in light cylinder
There is seal groove 1c on the annular lower face of 1a, sealing ring 6 is mounted in seal groove 1c；The endoporus of jet pipe 1 is stepped hole, thereon
The internal diameter of sector hole 1d is more than the internal diameter of lower sector hole 1e, and the minimum diameter of lower sector hole 1e is D；The external screw thread cylinder 1b of jet pipe 1 is screwed into stream
In the threaded hole 2d of road mounting hole；Define the serial number of the minimum diameter D of jet pipe 1 according to runner serial number, jet pipe 1 in No. 1 runner
Minimum diameter is D1, and the minimum diameter of jet pipe 1 is D2 in No. 2 runners, and so on；When pressure is identical, the flow of D1 is minimum,
The flow of D2 is 2D1, and the flow of D3 is 2D2, and so on the flow of D10 be 2D9；The flow of D11 to D20 is equal with D10；
The control gas circuit includes control manifold 4 and control branch pipe 5；It is that a right output port connects with pipe to control manifold 4
Head, the pipeline of left port closing, the quantity for controlling branch pipe 5 is identical with the quantity of runner, controls the upper port of branch pipe 5 and control total
Pipe 4 connects, and the lower port of control branch pipe 5 is connected with the control port on inserted valve 3.
The utility model has the advantages that：A kind of wind-tunnel high-precision flow control valve is proposed, substantially increases analog regulation
Valve flow control accuracy meets the needs that power simulation wind tunnel test high-precision flow is adjusted.One reality of the utility model
Example is applied, tests prove that, flow-rate adjustment resolution ratio can reach 12.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.In figure, the outer direction of paper is front, and direction is rear in paper, upper bottom left
Right direction is constant.
Fig. 2 is K-K sectional views in Fig. 1.
Fig. 3 is the structure diagram of jet pipe 1 in the utility model.
Specific embodiment
The utility model is described in further details below.Referring to Fig. 1 to Fig. 3, a kind of wind-tunnel high-precision flow is adjusted
Valve, it is characterised in that：It include valve body 2, mounted on the identical runner in 2 Shang of valve body, 10 roads to 20 line structures, control gas circuit and
Switch board；The quantity of runner is even number n, and all runners are mounted on the upper surface of valve body 2, and the width direction along valve body 2 is divided into
Two row runners, the runner number of each column is identical, and the spacing of adjacent channels is equal；The runner of 2 front surface of adjacent valve body is known as forefront stream
Road from left to right defines the serial number of forefront runner：No. 1 runner, No. 2 runner ... n/2 runners；2 rear surface of adjacent valve body
Runner be known as rank rear runner, from left to right define the serial number of rank rear runner：(n/2+1) number runner, (n/2+2) number stream
Road ... n runners；
Valve body 2 has the shape of a rectangular parallelepiped, and on the top of the right side of valve body 2, there are one valve body air inlet blind hole 2f, valve bodies
The axis of air inlet blind hole 2f is vertical with the right side of valve body 2, the bottom hole of valve body air inlet blind hole 2f close to the left side of valve body 2,
There is valve body air inlet blind-hole joint 2b on the right side of valve body 2；Have on the left side of valve body 2, below valve body air inlet blind hole 2f
One valve body is vented blind hole 2c, and the axis of valve body exhaust blind hole 2c is vertical with the left side of valve body 2, on the left side of valve body 2
There is valve body to be vented blind-hole joint 2a, the axis of axis and valve body exhaust blind hole 2c for defining valve body air inlet blind hole 2f is determined flat
The entitled two row runner in face divides face equally, and it is vertical with the upper surface of valve body 2 that two row runners divide face equally；On the upper surface of valve body 2, two
Row runner divides before face the runner mounting hole for having a row for installing forefront runner equally, on the upper surface of valve body 2, two row streams
The runner mounting hole for having a row for installing rank rear runner is divided behind face in road equally；The axis of runner mounting hole is perpendicular to valve body 2
Upper surface, runner mounting hole is stepped hole, its upper sector hole is unthreaded hole 2g, its lower sector hole is threaded hole 2d, unthreaded hole 2g's
Aperture is more than the maximum inner diameter of threaded hole 2d, and the lower port of threaded hole 2d is connected with valve body exhaust blind hole 2c；
The runner includes inserted valve 3, the runner mounting hole on valve body 2, jet pipe 1 and sealing ring 6；Inserted valve 3 is goods
Frame product has the insertion valve body 3c of cylinder in the lower part of inserted valve 3, is being inserted into inserting there are one radially perforation in valve body 3c
Valve air admission hole 3a is filled, there are one be opened on inserting for 3 lower face of inserted valve in insertion valve body 3c, below inserted valve air admission hole 3a
Connect after control valve in the upper port series connection inserted valve of dress valve venthole 3b, inserted valve venthole 3b with inserted valve air admission hole 3a
Logical, the insertion valve body 3c of inserted valve 3 is inserted into the unthreaded hole 2g of runner mounting hole and transition is kept to coordinate, inserted valve air admission hole 3a
It is connected by the gas circuit inside valve body 2 with valve body air inlet blind hole 2f；When the electromagnetic driver on 3 top of inserted valve is by switch board
During control power-off, inserted valve air admission hole 3a and inserted valve venthole 3b is disconnected；When the electromagnetic driver on 3 top of inserted valve is controlled
When the control of cabinet is powered, inserted valve air admission hole 3a is connected with inserted valve venthole 3b；Jet pipe 1 is the circle for having Step Shaft shape
Cylinder, the epimere of jet pipe 1 is light cylinder 1a, and hypomere is external screw thread cylinder 1b, and the outer diameter of light cylinder 1a is more than the outer diameter of external screw thread cylinder 1b, in light
There is seal groove 1c on the annular lower face of cylinder 1a, sealing ring 6 is mounted in seal groove 1c；The endoporus of jet pipe 1 is stepped hole,
The internal diameter of upper sector hole 1d is more than the internal diameter of lower sector hole 1e, and the minimum diameter of lower sector hole 1e is D；The external screw thread cylinder 1b of jet pipe 1 is screwed into
In the threaded hole 2d of runner mounting hole；Define the serial number of the minimum diameter D of jet pipe 1 according to runner serial number, jet pipe 1 in No. 1 runner
Minimum diameter for D1, the minimum diameter of jet pipe 1 is D2 in No. 2 runners, and so on；When pressure is identical, the flow of D1 is most
Small, the flow of D2 is 2D1, and the flow of D3 is 2D2, and so on the flow of D10 be 2D9；The flow of D11 to D20 with D10 phases
Deng；
The control gas circuit includes control manifold 4 and control branch pipe 5；It is that a right output port connects with pipe to control manifold 4
Head, the pipeline of left port closing, the quantity for controlling branch pipe 5 is identical with the quantity of runner, controls the upper port of branch pipe 5 and control total
Pipe 4 connects, and the lower port of control branch pipe 5 is connected with the control port on inserted valve 3.
The operation principle of the utility model is：Several groups of gas circuit flows are according to binary rules arrangement design, each gas circuit
By a solenoid valve control break-make, required flow is reached by the combination of different position gas circuits.Wherein, the gas circuit of minimum discharge
Directly determine the flow control accuracy of digital valve.The break-make of solenoid valve will be by a control gas circuit, air pressure in this control piper
It will be between 0.4 to ensureing the proper use of of inserted valve between 0.8MPa with the pressure differential of equipment local environment.
Embodiment
The characteristics of inserted valve is：Spool is cone valve, good seal performance, and is active in one's movements；Through-current capability is big, antipollution；One
Valve is mostly used, and easily forms various systems, compact-sized.
Originally 20 runners of embodiment are adopted, used inserted valve is goods shelf products, model and basic parameter such as table 1：
1 inserted valve model of table and basic parameter
The flow parameter of 20 inserted valves such as table 2：
The flow parameter of 2 inserted valve of table
As shown in table 2, preceding 10 inserted valves for single flow limited nozzle incrementally, to increase the whole circulation energy of inserted valve
Power, while in view of the maximum flow ability of finished product inserted valve, increase by 10 nozzles with the 10th same size, form 12
Half flow control valve.
The flow rate calculation value of inserted valve when table 3 is different inlet pressures.
The flow rate calculation value of inserted valve during 3 difference inlet pressure of table
The flow control valve of the utility model does not generate impact and lag during valve transfer, during the control of valve
Between at 0.1 second or so, traditional rapid switching valve usual switch time all substantially increased control accuracy at 0.5 second or more,
The utility model flow control valve has fully met requirement.
Claims (1)
1. a kind of wind-tunnel high-precision flow control valve, it is characterised in that：It includes valve body (2), mounted on 10 tunnels of valve body (2) Shang
To the identical runner of 20 line structures, control gas circuit and switch board；The quantity of runner is even number n, and all runners are mounted on valve body (2)
Upper surface on, be divided into two row runners along the width direction of valve body (2), the runner number of each column is identical, the spacing phase of adjacent channels
Deng；The runner of adjacent valve body (2) front surface is known as forefront runner, from left to right defines the serial number of forefront runner：No. 1 runner, 2
Number runner ... n/2 runners；The runner of adjacent valve body (2) rear surface is known as rank rear runner, from left to right defines rank rear runner
Serial number：(n/2+1) number runner, (n/2+2) number runner ... n runners；
Valve body (2) has the shape of a rectangular parallelepiped, and on the top of the right side of valve body (2), there are one valve body air inlet blind hole (2f), valves
The axis of body air inlet blind hole (2f) is vertical with the right side of valve body (2), and the bottom hole of valve body air inlet blind hole (2f) is close to valve body (2)
There is valve body air inlet blind-hole joint (2b) in left side on the right side of valve body (2)；On the left side of valve body (2), valve body air inlet
There are one valve body exhaust blind hole (2c), the axis of valve body exhaust blind hole (2c) and the left sides of valve body (2) below blind hole (2f)
Vertically, there is valve body to be vented blind-hole joint (2a) on the left side of valve body (2), define the axis and valve of valve body air inlet blind hole (2f)
The entitled two row runner of plane that the axis of body exhaust blind hole (2c) is determined divides face equally, and two row runners divide face and valve body (2) equally
Upper surface it is vertical；On the upper surface of valve body (2), two row runners are divided equally before face has a row for installing forefront runner
Runner mounting hole, on the upper surface of valve body (2), two row runners are divided equally behind face has a row for installing the stream of rank rear runner
Road mounting hole；The axis of runner mounting hole is stepped hole perpendicular to the upper surface of valve body (2), runner mounting hole, its upper sector hole
It is unthreaded hole (2g), its lower sector hole is threaded hole (2d), and the aperture of unthreaded hole (2g) is more than the maximum inner diameter of threaded hole (2d), screw thread
The lower port in hole (2d) is connected with valve body exhaust blind hole (2c)；
The runner includes inserted valve (3), the runner mounting hole on valve body (2), jet pipe (1) and sealing ring (6)；Inserted valve
(3) it is goods shelf products, the insertion valve body (3c) for having cylinder in the lower part of inserted valve (3), there are one being inserted into valve body (3c)
The radially inserted valve air admission hole (3a) of perforation, there are one be open in insertion valve body (3c), below inserted valve air admission hole (3a)
Inserted valve venthole (3b) in inserted valve (3) lower face, inserted valve venthole (3b) upper port series connection inserted valve in control
It is connected after valve processed with inserted valve air admission hole (3a), the insertion valve body (3c) of inserted valve (3) is inserted into the unthreaded hole of runner mounting hole
In (2g) and transition is kept to coordinate, inserted valve air admission hole (3a) passes through the internal gas circuit of valve body (2) and valve body air inlet blind hole (2f)
Connection；When the electromagnetic driver on inserted valve (3) top is powered off by the control of switch board, inserted valve air admission hole (3a) and inserted valve
Venthole (3b) disconnects；When the electromagnetic driver on inserted valve (3) top is powered by the control of switch board, inserted valve air admission hole
(3a) is connected with inserted valve venthole (3b)；Jet pipe (1) is the cylinder for having Step Shaft shape, and the epimere of jet pipe (1) is light cylinder
(1a), hypomere are external screw thread cylinder (1b), and the outer diameter of light cylinder (1a) is more than the outer diameter of external screw thread cylinder (1b), in the ring of light cylinder (1a)
There is seal groove (1c) on shape lower face, sealing ring (6) is in seal groove (1c)；The endoporus of jet pipe (1) is stepped hole, thereon
The internal diameter of sector hole (1d) is more than the internal diameter of lower sector hole (1e), and the minimum diameter of lower sector hole (1e) is D；The external screw thread cylinder of jet pipe (1)
(1b) is screwed into the threaded hole (2d) of runner mounting hole；Define the serial number of the minimum diameter D of jet pipe (1) according to runner serial number, No. 1
The minimum diameter of jet pipe (1) is D1 in runner, and the minimum diameter of jet pipe (1) is D2 in No. 2 runners, and so on；In pressure phase
Meanwhile the flow of D1 is minimum, the flow of D2 is 2D1, and the flow of D3 is 2D2, and so on the flow of D10 be 2D9；D11 to D20
Flow it is equal with D10；
The control gas circuit includes control manifold (4) and control branch pipe (5)；Control manifold (4) is a right output port with pipe
Connector, left port closing pipeline, control branch pipe (5) quantity it is identical with the quantity of runner, control branch pipe (5) upper port with
Manifold (4) is controlled to connect, the lower port of control branch pipe (5) is connected with the control port on inserted valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721450943.XU CN207539410U (en) | 2017-11-02 | 2017-11-02 | A kind of wind-tunnel high-precision flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721450943.XU CN207539410U (en) | 2017-11-02 | 2017-11-02 | A kind of wind-tunnel high-precision flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207539410U true CN207539410U (en) | 2018-06-26 |
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ID=62612047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721450943.XU Active CN207539410U (en) | 2017-11-02 | 2017-11-02 | A kind of wind-tunnel high-precision flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207539410U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036081A (en) * | 2017-11-02 | 2018-05-15 | 中国航空工业集团公司哈尔滨空气动力研究所 | A kind of wind-tunnel high-precision flow control valve |
-
2017
- 2017-11-02 CN CN201721450943.XU patent/CN207539410U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036081A (en) * | 2017-11-02 | 2018-05-15 | 中国航空工业集团公司哈尔滨空气动力研究所 | A kind of wind-tunnel high-precision flow control valve |
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