CN107529369B - A kind of double venturi formula jet executive component - Google Patents
A kind of double venturi formula jet executive component Download PDFInfo
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- CN107529369B CN107529369B CN201218000159.5A CN201218000159A CN107529369B CN 107529369 B CN107529369 B CN 107529369B CN 201218000159 A CN201218000159 A CN 201218000159A CN 107529369 B CN107529369 B CN 107529369B
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Abstract
The present invention is a kind of double venturi formula jet executive component, belongs to flying vehicles control field.Including：Nozzle assembly (1), filter assemblies (2), big plug, pendulum valve rotating shaft (5), jet pipe (6), pendulum valve module (8), screw plug (10), valve component (11), piston component (12), electromagnet assembly (20) and controller (21)；Filter assemblies (2) are installed at jet executive component bottom air inlet, and the combustion gas of gas generator generation passes through in the laggard incident flow executive component of filter assemblies (2)；Tip position is followed successively by electromagnet assembly (20), nozzle assembly (1) and filter assemblies (2) from front to back, electromagnet assembly (20) and nozzle assembly (1) form Nozzle flapper valve, middle part is followed successively by screw plug (10), pendulum valve module (8) and piston component (12) from front to back, jet pipe is installed on the both sides of valve component middle part, there is provided the jet flow force of both direction；Piston component (12) both sides are equipped with big plug, and the pressure difference of both sides promotes piston component (12) motion and then swung with movable pendulum valve module (8) around pendulum valve rotating shaft (5), realizes the break-make of two lateral jet pipes.
Description
Technical field
The present invention relates to a kind of double venturi formula jet executive component, and projectile correction or posture are carried out on the aircraft such as rocket projectile
Control, belongs to flying vehicles control field.
Background technology
Jet executive component is that the executing agency that projectile correction or gesture stability are commonly used is carried out to rocket projectile.It is used for appearance on rocket projectile
The fluidic of state control, the PWM state of certain frequency is operated in, is switched according to the deviation signal of actual trajectory and normal trajectory
Jet direction.Apply lateral controling power that the duration do not wait to body in flight course to control the posture of body.Due to bullet
For body around axle rolling is played in flight course, the action time of controling power is strictly corresponding with action direction, body attitude is carried out accurate
Really control, it is necessary to control the time caused by jet thrust.Turn into arteries and veins by sending control signals to jet thrust generation time interval
Rush the jet flow alternation time.The jet flow alternation time be influence attitude control accuracy an important factor for, the chopped pulse jet flow alternation time into
Most important task in being designed for fluidic.Current jet executive component is cut in functional reliability, work total time and jet
Changing time etc. has certain deficiency.
Its operation principle is summarized as follows：In the presence of PWM electric signals, it is another that electromagnet manipulation baffle plate covers side nozzle relieving
Side, the pressure at both sides of piston component is set to change.When the pressure differential of piston component both sides is enough the resistance for overcoming piston component,
Piston component setting in motion, the drive end with movable pendulum valve module make it be swung around balance staff, and the follower ends for putting valve module cover a side spray
So as to decontrol opposite side, combustion gas is sprayed to form jet thrust the air inlet of pipe by jet pipe, and trajectory is provided for aircraft such as rocket projectiles
The power of amendment.Jet nozzle changes, and jet thrust changes direction.
Term is explained as follows used by the application：
1st, work gas circuit：That is the main gas circuit of jet executive component.Working gas enters incident flow executive component, most of working gas
Sprayed into the gas circuit, and by jet pipe from jet executive component.Its main function is to form jet flow force.It includes following
Several parts：
Air inlet --- working gas enters incident flow executive component by air inlet；
Work air cavity --- and in the cavity that the centre of valve component surrounds, working gas has two circulating directions here：Enter
Enter to control gas circuit and sprayed by the valve port of opening；
Valve port --- it is made up of pendulum valve module and valve component, its size determines the size of gas flow；
Exhaust outlet --- i.e. jet pipe, working gas discharge to form jet flow force from jet pipe；
2nd, gas circuit is controlled：The sub-fraction of working gas enters the gas circuit, passes through the piston component that acts on of nozzle-flapper valve
Both sides form pressure differential, promote piston component motion, so as to realize that the direction of jet thrust changes.It includes following sections：
Filter assemblies --- control entering the gas of air cavity to filter, to ensure to control control gas circuit normal work；
Air inlet a --- fixed throttle port, its size determine the size of the gas flow into control gas circuit；
Control air cavity --- promote piston component motion when the pressure of the control air cavity of side is higher than opposite side control air cavity；
Exhaust outlet --- i.e. nozzle, when electromagnet, which manipulates baffle plate, blocks a side nozzle, the strong interior pressure of control communicated therewith will
Rise；
3rd, valve component is the main part of jet executive component, is connected with gas generator, can provide air inlet for working gas
Mouthful, and provided a supporting role for the part such as piston component, nozzle assembly, balance staff, big plug, filter assemblies and jet pipe.
4th, piston component：The control of piston component both sides has by force will move during pressure difference with movable pendulum valve module around balance staff, while piston
Component both ends are equipped with magnetic sheet to provide the movement position signal of piston.
5th, valve module is put：At least need to realize following functions：
First, its one end is drive end, is installed on the centre of piston component, the motion of piston component will with movable pendulum valve module around
Balance staff moves；The other end is follower ends, and the drive end for putting valve module moves to side follower ends will be driven to move to the other end and block
The jet pipe of the side；
Second, there should be the mounting hole of balance staff among it, kinematic axis is provided for pendulum valve module；
3rd, it can form valve port together with valve component, and it swings the switch that can realize both sides valve port, i.e. work around balance staff
Make the break-make of gas circuit, so as to control the direction of jet flow force.
6th, big plug：It can provide installation site for Hall sensor, while control air cavity can be formed with piston component
7th, nozzle assembly：Exhaust outlet is provided for control gas circuit, electromagnet covers nozzle assembly so as to realize to control by manipulating baffle plate
The control of air-flow processed.
8th, jet pipe：Laval nozzle is processed into, on valve component, provides exhaust outlet for work gas circuit, there is provided jet flow force
The content of the invention
The purpose of the present invention is exactly to make up the deficiency of above-mentioned prior art, there is provided a kind of double venturi formula jet executive component, is carried
The functional reliability of high jet executive component, work total time is extended, shorten the jet flow alternation time.
The double venturi formula jet executive component includes：Nozzle assembly (1), filter assemblies (2), big plug, pendulum valve rotating shaft (5),
Jet pipe (6), pendulum valve module (8), screw plug (10), valve component (11), piston component (12), electromagnet assembly (20) and control
Device (21)；Valve component (11) is the main element of jet pipe jet executive component, and bottom is air inlet, is installed at air inlet
There are filter assemblies, lower section is connected with gas generator；Top provides installation fixing position for other each parts and put；Filter assemblies
(2) it is installed at jet executive component bottom air inlet, the combustion gas of gas generator generation passes through filter assemblies (2) laggard incidence
Flow in executive component；Tip position is followed successively by electromagnet assembly (20), nozzle assembly (1) and filter assemblies (2) from front to back,
Electromagnet assembly (20) and nozzle assembly (1) form Nozzle flapper valve, realize the break-make of control air-flow, middle part from front to back according to
It is secondary to be installed on the both sides of valve component middle part for screw plug (10), pendulum valve module (8) and piston component (12), jet pipe, there is provided two
The jet flow force in individual direction；Piston component (12) both sides are equipped with big plug, the pressure differences of both sides promote piston component (12) motion and then
Band movable pendulum valve module (8) is swung around pendulum valve rotating shaft (5), realizes the break-make of two lateral jet pipes；
Described piston component is made up of two small screw plug and piston only, is installed on the rear portion of valve component mid-plane；Small spiral shell
In stifled the both sides for being installed on piston only are then connected through a screw thread equipped with magnetic sheet；There is through hole among piston only, put valve module
Drive end inserts in the hole.
Described big plug profile is cylindrical structural, and one end has a deep hole, to install Hall sensor, middle part peace
" O " type sealing ring is filled to seal, the other end is plane, and control air cavity is surrounded with the end face of piston and valve component.
The drive end for the spherical shape that described pendulum valve module one end polishes for upper and lower and front end, insert in the hole among piston component,
The other end is follower ends, and profile is flat, and both sides are formed to there is the inclined arc-shaped of certain angle with the inwall of valve component
Valve port, middle part are the mounting hole of pendulum valve rotating shaft.
Described pendulum valve rotating shaft is elongated cylindrical structural, and there is screw thread side, is cutd open with being installed on the bottom of valve component, to put valve
The rotation of component provides rotating shaft.
Described filter assemblies are formed by teasing the pipe with several apertures of screen pack and the fixed restriction device at both ends, are installed
In the top rearward position of valve component, positioned at the top of piston component.
Described small screw plug is installed on the both sides of filter assemblies, and side is screw thread, and opposite side is hole, is equipped with hole wall several small
Through hole, the small screw plugs of both sides coordinates is fixed on centre position by filter assemblies jointly, while from the gas of filter assemblies outflow
In body ostium, then control chamber flowed into by small through hole.
Described nozzle assembly one end is screw thread, and the other end is nozzle, and centre is air inlet, is respectively arranged with " O " in the both sides of air inlet
Type sealing ring is sealing.
Described electromagnet assembly is bidirectional electromagnet, and nozzle --- flapper valve is formed with nozzle assembly.Under the control of PWM ripples,
Electromagnetic actuation armature makes to swing to block the nozzle of side to both direction with certain frequency, decontrols the nozzle of opposite side, from
And realize the control to controlling air-flow.
Described jet pipe is processed as Laval nozzle, installed in the conplane both sides in valve component middle part, using the teaching of the invention it is possible to provide two
The jet flow force in individual direction, directly it is connected with valve port at the air inlet of jet pipe.
Described valve component (11) bottom centre is air inlet, and filter is provided with air inlet, gas generator generation
The laggard incident flow executive component of filtering of filter is passed through in combustion gas, improves the reliability of fluidic work.
The course of work of the present invention is as follows：The jet executive component includes two gas circuits：The gas circuit that works and control gas circuit.Work gas
Road work is as follows：After the combustion gas of gas generator generation below jet executive component is filtered by the filter installed at air inlet
Work air cavity is entered by air inlet, the valve port then formed by putting between valve module and valve component enters jet pipe, last outside
Boundary sprays gas and produces jet flow force.Control gas circuit work as follows：After gas enters work air cavity, by the control gas of piston component
Flow into gas port and enter control gas circuit.After air-flow is controlled first by filtering component filters, by the fixed knot of filter assemblies both sides
Head piece enters the control air cavity that the big plug installed by piston component and its both sides is formed, and the air inlet for then passing through nozzle enters spray
Nozzle assembly is simultaneously sprayed by nozzle assembly.Two nozzle assemblies and an electromagnet assembly are grouped into twin-jet nozzle --- flapper valve.Electricity
Magnet receives PWM ripple signals, controlling baffle plate motion.When baffle plate blocks a side nozzle, then the control gas being connected with the side nozzle
The air pressure of chamber will raise rapidly, so as to promote piston component to be moved to opposite side, drive end of the piston component with movable pendulum valve module
Motion, the follower ends for putting valve module will be moved to the jet pipe that the side block lives this side, and the jet pipe of such opposite side is opened and this side
Jet pipe close.
Beneficial effects of the present invention：
Jet pipe is directly entered after the valve port that gas in work air cavity is formed through overswing valve and valve component and forms jet flow force, is simplified
Work gas circuit, improves operating efficiency, reduces the jet flow alternation time of jet executive component；Meanwhile gas passes through air inlet
The filter of installation is filtered, and improves the reliability of jet executive component work, and extends the work of jet executive component
Total time.
Brief description of the drawings
Fig. 1-double venturi formula jet executive component vertical view cutaway drawing；
Fig. 2-double venturi formula jet executive component front view；
Wherein：Including 1- nozzle assemblies, 2- filter assemblies, 3- Hall sensors, 4- big plugs, the valve rotating shaft of 5- pendulum,
6- jet pipes, 7- " O " types sealing ring, 8- pendulum valve module, 9- " O " types sealing ring, 10- screw plugs, 11- valve components,
12- piston components, 13- " O " types sealing ring, 14- big plugs, 15- fixed restrictions device, the small screw plugs of 16-, 17- fastenings
The spiral shell heart, 18- " O " types sealing ring, 19- electromagnet outer cover, 20- electromagnet assemblies and 21- controllers.
Embodiment
Embodiment is described in further detail to the present invention below in conjunction with the accompanying drawings.
Figures 1 and 2 show that one embodiment of this jet executive component.Filtering is installed at jet executive component bottom air inlet
Device, the combustion gas of gas generator generation pass through in the laggard incident flow executive component of filter；Tip position is followed successively by electricity from front to back
Magnet assemblies, nozzle assembly and filter assemblies, electromagnet assembly and nozzle assembly form Nozzle flapper valve, realize control air-flow
Break-make, filter assemblies can to control gas carry out filtration；Middle part is by being followed successively by screw plug, pendulum valve group behind preceding road
Part and piston component, piston component both sides are equipped with big plug, and the pressure difference of both sides will promote piston component motion and then with movable pendulum valve
Component realizes the break-make of two lateral jet pipes around valve shaft swing is put.Two jet pipes are installed on the both sides of valve component middle part, energy
The jet flow force of both direction is enough provided.
Described valve component is the main element of two jet pipe jet executive components, and there is air inlet bottom, is provided with air inlet
Filter, lower section are connected with gas generator；Top provides installation fixing position for other each parts and put.
Described piston component is made up of two small screw plug and piston only, is installed on the rear portion of valve component mid-plane.Small spiral shell
In stifled the both sides for being installed on piston only are then connected through a screw thread equipped with magnetic sheet；There is through hole among piston only, put valve module
Drive end inserts in the hole.
Described big plug profile is cylindrical structural, and one end has a deep hole, to install Hall sensor, middle part peace
" O " type sealing ring is filled to seal, the other end is plane, and control air cavity is surrounded with the end face of piston and valve component.
The drive end for the spherical shape that described pendulum valve module one end polishes for upper and lower and front end, insert in the hole among piston component,
The other end is follower ends, and profile is flat, and both sides are formed to there is the inclined arc-shaped of certain angle with the inwall of valve component
Valve port, middle part are the mounting hole of pendulum valve rotating shaft.
Described pendulum valve rotating shaft is elongated cylindrical structural, and there is screw thread side, to be installed on the bottom of valve component, to put valve
The rotation of component provides rotating shaft.
Described filter assemblies are formed by teasing the pipe with several apertures of screen pack and the fixed restriction device at both ends, to control
Air-flow filtration processed, the top rearward position of valve component is installed on, positioned at the top of piston component.
Described small screw plug is installed on the both sides of filter assemblies, and side is screw thread, and opposite side is hole, is equipped with hole wall several small
Through hole, the small screw plugs of both sides coordinates is fixed on centre position by filter assemblies jointly, while from the gas of filter assemblies outflow
In body ostium, then control chamber flowed into by small through hole.
Described nozzle assembly one end is screw thread, and the other end is nozzle, and centre is air inlet, is respectively arranged with " O " in the both sides of air inlet
Type sealing ring is sealing.
Described electromagnet assembly is bidirectional electromagnet, and nozzle --- flapper valve is formed with nozzle assembly.Under the control of PWM ripples,
Electromagnetic actuation armature makes to swing to block the nozzle of side to both direction with certain frequency, decontrols the nozzle of opposite side, from
And realize the control to controlling air-flow.
Described jet pipe is processed as Laval nozzle, installed in the conplane both sides in valve component middle part, using the teaching of the invention it is possible to provide two
The jet flow force in individual direction, directly it is connected with valve port at the air inlet of jet pipe.
It is support member with valve component 11, and lower section is air inlet, and filter is provided with air inlet.Middle part is equipped with two
Jet pipe 6, it is in the same plane.Valve component core is work air cavity, has a through hole, piston behind work air cavity
Component 12 is installed in hole.The both ends of piston component are mounted on magnetic sheet.It is connected through a screw thread and is provided with the both sides of piston component
Big plug 4,14, Hall sensor is housed on big plug.Two nozzle assemblies 1 are housed in the top of valve component, with an electricity
Magnet assemblies form twin flapper-and-nozzle valve.Clamp nut 17 is housed in the tail end of nozzle assembly, for the position of fixed nozzle component
" O " type sealing ring 7,9,13,18 is respectively arranged with nozzle assembly, piston component, big plug and jet pipe etc., so as to realize
Sealing function.
The course of work of the present embodiment is as follows：The gas of gas generator generation passes through installation at the lower section air inlet of valve component 11
Work air cavity is entered by air inlet after filter filtering.In work air cavity, gas will respectively enter two paths, a part of gas
The valve port being made up of piston component 12 and valve component 11 is directly entered jet pipe 6, then sprays to form jet flow force from jet pipe
Another part gas enters control gas circuit by the control air-flow air inlet at piston component 12.Control air-flow passes through filter first
After component 2 filters, control air cavity is entered by the fixed throttle port of filter assemblies both sides, subsequently enters nozzle assembly 1 by nozzle
Component sprays.Electromagnet assembly 20 receives PWM ripple signals, controlling baffle plate motion.When baffle plate blocks a side nozzle, then with this
The air pressure of the connected control air cavity of side nozzle will raise rapidly, so as to promote piston component to be moved to opposite side, band movable pendulum valve group
The active end motion of part, the follower ends for putting valve module will be moved to the jet pipe that the side block lives this side, and the jet pipe of such opposite side is beaten
Open and the closing of the jet pipe of this side.
Claims (10)
1. double venturi formula jet executive component, it is characterised in that including：Nozzle assembly (1), filter assemblies (2), big plug,
Put valve rotating shaft (5), jet pipe (6), pendulum valve module (8), screw plug (10), valve component (11), piston component (12), electromagnet group
Part (20) and controller (21)；Valve component (11) is the main element of jet pipe jet executive component, and bottom is air inlet,
Filter is installed, lower section is connected with gas generator, and top provides installation fixing position for other each parts and put at air inlet；Penetrate
The tip position of stream executive component is followed successively by electromagnet assembly (20), nozzle assembly (1) and filter assemblies (2) from front to back, electricity
Magnet assemblies (20) and nozzle assembly (1) form Nozzle flapper valve, realize the break-make of control air-flow, the pars intermedia of jet executive component
Position is followed successively by screw plug (10), pendulum valve module (8) and piston component (12), jet pipe and is installed on valve component middle part from front to back
Both sides, there is provided the jet flow force of both direction；Piston component (12) both sides are equipped with big plug, and the pressure difference of both sides promotes piston component
(12) move and then swung with movable pendulum valve module (8) around pendulum valve rotating shaft (5), realize the break-make of two lateral jet pipes.
2. double venturi formula jet executive component as claimed in claim 1, it is characterised in that described piston component is small by two
Screw plug and piston only composition, it is installed on the rear portion of valve component mid-plane；Then connected in small screw plug equipped with magnetic sheet by screw thread
Connect the both sides for being installed on piston only；There is through hole among piston only, the drive end for putting valve module inserts in the hole.
3. double venturi formula jet executive component as claimed in claim 1 or 2, it is characterised in that described big plug profile is
Cylindrical structural, one end have a deep hole, and to install Hall sensor, " O " type sealing ring is installed to seal in middle part,
The other end is plane, and control air cavity is surrounded with the end face of piston and valve component.
4. double venturi formula jet executive component as claimed in claim 1 or 2, it is characterised in that described pendulum valve module one end
The drive end of the spherical shape polished for upper and lower and front end, insert in the hole among piston component, the other end is follower ends, and profile is
Flat, both sides form valve port to there is the inclined arc-shaped of certain angle, with the inwall of valve component, and middle part turns for pendulum valve
The mounting hole of axle.
5. double venturi formula jet executive component as claimed in claim 4, it is characterised in that described pendulum valve rotating shaft is elongated
There is screw thread cylindrical structural, side, and to be installed on the bottom of valve component, rotating shaft is provided to put the rotation of valve module.
6. the double venturi formula jet executive component as described in claim 1 or 2 or 5, it is characterised in that described filter group
Part is formed by teasing the pipe with several apertures of screen pack and the fixed restriction device at both ends, and the top for being installed on valve component is leaned on
Position afterwards, positioned at the top of piston component.
7. double venturi formula jet executive component as claimed in claim 2, it is characterised in that described small screw plug is installed on filtering
The both sides of device assembly, the side of small screw plug is screw thread, and opposite side is hole, and several small through holes, the small spiral shell of both sides are equipped with hole wall
Filter assemblies are fixed on centre position by stifled cooperation jointly, while from the gas injection port of filter assemblies outflow, then pass through
Small through hole flows into control chamber.
8. the double venturi formula jet executive component as described in claim 1 or 2 or 5, it is characterised in that described electromagnet group
Part is bidirectional electromagnet, forms Nozzle flapper valve with nozzle assembly, electromagnetic actuation armature makes with certain frequency to both direction
Swing to block the nozzle of side, decontrol the nozzle of opposite side, so as to realize the control to controlling air-flow.
9. the double venturi formula jet executive component as described in claim 1 or 2 or 5, it is characterised in that described jet pipe processing
For Laval nozzle, installed in the conplane both sides in valve component middle part, using the teaching of the invention it is possible to provide the jet flow force of both direction, spray
Directly it is connected at the air inlet of pipe with valve port, combustion gas caused by gas generator is directly entered jet pipe by valve port and forms jet flow force.
10. the double venturi formula jet executive component as described in claim 1 or 2 or 5, it is characterised in that described valve body group
Part (11) bottom centre is air inlet, filter is provided with air inlet, the combustion gas of gas generator generation is by filter
Laggard incident flow executive component is filtered, improves the reliability of fluidic work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201218000159.5A CN107529369B (en) | 2012-03-01 | 2012-03-01 | A kind of double venturi formula jet executive component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201218000159.5A CN107529369B (en) | 2012-03-01 | 2012-03-01 | A kind of double venturi formula jet executive component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107529369B true CN107529369B (en) | 2015-01-14 |
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ID=60781307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201218000159.5A Active CN107529369B (en) | 2012-03-01 | 2012-03-01 | A kind of double venturi formula jet executive component |
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| CN (1) | CN107529369B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756992A (en) * | 2021-08-23 | 2021-12-07 | 南京理工大学 | Gas driven missile swing spray pipe |
-
2012
- 2012-03-01 CN CN201218000159.5A patent/CN107529369B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756992A (en) * | 2021-08-23 | 2021-12-07 | 南京理工大学 | Gas driven missile swing spray pipe |
| CN113756992B (en) * | 2021-08-23 | 2022-08-19 | 南京理工大学 | Gas driven missile swing spray pipe |
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Address after: B301, building 15, No.1, hagongda Road, Tangjiawan Town, hi tech Zone, Zhuhai City, Guangdong Province 519000 Patentee after: Zhuhai Weidong Technology Co.,Ltd. Address before: 519080 B301, building 15, No. 1, hagongda Road, Tangjiawan Town, high tech Zone, Zhuhai, Guangdong Patentee before: Beili servo (Zhuhai) Technology Co.,Ltd. |
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