CN109944713A - Gas flow regulating device and gas generator of solid rocket ramjet - Google Patents
Gas flow regulating device and gas generator of solid rocket ramjet Download PDFInfo
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- CN109944713A CN109944713A CN201910211474.3A CN201910211474A CN109944713A CN 109944713 A CN109944713 A CN 109944713A CN 201910211474 A CN201910211474 A CN 201910211474A CN 109944713 A CN109944713 A CN 109944713A
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 37
- 239000007787 solid Substances 0.000 title claims abstract description 30
- 239000007789 gas Substances 0.000 claims abstract description 106
- 230000009471 action Effects 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims abstract description 9
- 239000000567 combustion gas Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 10
- 238000004880 explosion Methods 0.000 claims description 9
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- 229910000831 Steel Inorganic materials 0.000 claims description 3
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- 238000005422 blasting Methods 0.000 abstract 2
- 239000002737 fuel gas Substances 0.000 abstract 1
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- 210000000867 larynx Anatomy 0.000 description 6
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- 230000008569 process Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 239000004449 solid propellant Substances 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
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Abstract
The invention discloses a gas flow regulating device and a gas generator of a solid rocket ramjet, comprising: the cover plate is provided with a first through hole and at least one air inlet hole in a penetrating manner in the thickness direction, and each air inlet hole is provided with a blocking cover; the flow regulating valve is used for regulating the flow area of the fuel gas; the driving device is used for driving the flow regulating valve to act under the action of the main controller; the pressure sensor transmits a pressure signal in the gas generator to the main controller; the blasting device can blast the blocking cover under the action of the main controller so as to increase the flow area of the gas flow; the main controller generates a first control instruction according to the pressure signal and outputs the first control instruction to the driving device; and generating a second control instruction according to the pressure signal and outputting the second control instruction to the blasting device. Compared with the prior art, the gas flow regulating device provided by the invention can be continuously and automatically regulated in a wider range, and has the advantages of simple structure and low cost.
Description
Technical field
The present invention relates to rocket engine technical field, especially a kind of solid rocket ramjet gas flow is adjusted
Device and gas generator.
Background technique
With impact style enter the air mass flow of afterburning chamber for solid rocket ramjet with flying height, Mach number, attack
The mission requirements changes such as angle and change, engine cannot be maintained at optimal air-fuel ratio nearby work, be guarantee engine have it is good
Good performance, it is necessary to the fuel-rich gas flow of regulating gas generator, to guarantee that punching engine works near optimal air-fuel ratio.
At present there are mainly two types of gas generator gas flow regulation schemes: unchoked gas generator jet pipe it is adaptive
Regulation scheme, the scheme for becoming larynx face (change gas generator and spray throat area).
In unchoked solid rocket ramjet gas generator, fuel-rich gas flow becomes with stamping combustion chamber pressure
Change and automatic adjusument, punching engine can be made to work in certain air-fuel ratio range during missile flight.However, non-be jammed
Formula solid rocket ramjet adaptive adjustment capability is very limited, and cannot carry out active adjusting, nothing to gas flow
Method meets the motor-driven requirement of height of guided missile.
The gas flow regulation scheme for becoming larynx face, needs to block gas generator throat using flow control valve,
To change its valid circulation area.Due to having very high pressure, and flow control valve downstream and afterburning chamber in gas generator
It communicates, pressure is generally lower.Therefore gas consumption adjusting valve needs to bear huge upstream and downstream pressure difference.Generally, for stream
When amount is adjusted than demand greater than 5:1, the upstream and downstream maximum differential pressure that flow control valve is born can be of about 8MPa.In so big pressure difference
Under the conditions of, to guarantee large range of gas flow regulatory demand, gas consumption adjusting valve needs the gas generator larynx blocked
Portion's area is larger, if the sliding plate valve for individually invention " CN104500270B " being used to be announced or invention " CN105736179A " institute
The cone valve of announcement, then it needs to bear huge combustion gas impact and difference force.This is just to the structural strength of flow control valve and stream
The power of adjustable valve drive system proposes biggish requirement, to increase the complexity and cost of system.
Summary of the invention
The present invention provides a kind of solid rocket ramjet gas flow regulating device, fires in the prior art for overcoming
Throughput regulating power is lower and cannot carry out active adjusting, structural strength and flow tune to flow control valve to gas flow
It is more demanding to save valve drive system, so that the defects of increasing structural complexity and cost, realizes solid rocket ramjet combustion
Throughput continuously automatically adjusts in a wider range, and structure is simple, at low cost.
To achieve the above object, the present invention proposes a kind of solid rocket ramjet gas flow regulating device, comprising:
Cover board is arranged in one end that gas generator main body is connect with venturi, extends upward through and set in the cover sheet thickness side
One is equipped with for so that the intracorporal combustion gas of gas generator master flows into first through hole and at least one air inlet in the venturi
Hole is provided with the blanking cover for blocking air inlet on each air inlet；
Flow control valve, be arranged on the cover board, under the action of driving device on the cover board movement from
And pass through the circulation area of the flow control valve and the overlapping regulating gas of the first through hole；
The driving device, input terminal and master controller are electrically connected, and output end connect with the flow control valve, is used for
The flow control valve is driven to act under the action of the master controller；
Demolition set, quantity is identical as the air inlet, and each demolition set is arranged on a blanking cover, Neng Gou
The master controller acts on blanking cover described in lower explosion to increase the circulation area of combustion gas stream；
Pressure sensor is mounted in the gas generator main body inner wall, and induction end is located at the gas generator master
Internal portion, output end are electrically connected with master controller, and the pressure of the gas generator body interior is transmitted by pressure signal
To the master controller；
The master controller generates the first control instruction according to the pressure signal and exports to the driving device；Also root
The second control instruction is generated according to the pressure signal to export to the demolition set.
To achieve the above object, the present invention also proposes a kind of solid rocket ramjet gas generator, including combustion gas
Generator main body and venturi are provided with solid-rocket punching press described above and start between the gas generator main body and trunnion
Machine gas flow regulating device.
Compared with prior art, the beneficial effects of the present invention are as follows:
1, solid rocket ramjet gas flow regulating device provided by the invention, comprising: cover board is arranged in combustion gas
One end that generator main body is connect with venturi is provided through one for so that combustion gas occurs on the cover sheet thickness direction
The intracorporal combustion gas of device master flows into the first through hole in the venturi；Flow control valve is stacked on the cover board, and by vertical
It is mounted on the cover board in the shaft of the cover board, for rotation to pass through institute on the cover board under the action of driving device
State the circulation area of the overlapping regulating gas of flow control valve and the first through hole；The driving device, input terminal and master control
Device processed is electrically connected, and output end is connect with the rotating shaft transmission, for driving the shaft under the action of master controller
Rotation；Pressure sensor is mounted in the gas generator main body inner wall, and induction end is located in the gas generator main body
Portion, output end are electrically connected with master controller, and the pressure of the gas generator body interior is transferred to institute by pressure signal
State master controller；The master controller generates the first control instruction according to the pressure signal and exports to the driving device.It is main
Controller commands driving device according to the corresponding conditions of setting, and driving device drives stream after the instruction for receiving master controller
Adjustable valve movement, to realize the active control to gas flow；In addition, flow control valve required effect in action process
Circulation area be entire venturi cross-sectional area sub-fraction, the pressure difference being subjected to, heat erosion all substantially reduce, therefore
Flow control valve is not required to carry out complicated resistance to compression solar heat protection corrosion design, and flow control valve structure of the invention is simple, it is easy to accomplish,
And it can realize that a certain range of flow is adjusted.
2, solid rocket ramjet gas flow regulating device provided by the invention, further includes: at least one air inlet
Hole extends upward through setting in the cover sheet thickness side, is used for so that the intracorporal combustion gas of gas generator master flows into the venturi；
The blanking cover for blocking air inlet is provided on each air inlet；Demolition set, quantity is identical as the air inlet, often
A demolition set is arranged on a blanking cover, can under the master controller effect blanking cover described in explosion to increase combustion gas
The circulation area of stream；Pressure sensor is mounted in the gas generator main body inner wall, and induction end is located at combustion gas generation
Device body interior, output end are electrically connected with master controller, and the pressure of the gas generator body interior is passed through pressure signal
It is transferred to the master controller；The master controller generates the second control instruction according to the pressure signal and exports to described quick-fried
Breaking device.The design of air inlet increases the range of apparatus of the present invention flow adjusting；The quantity of air inlet can be according to actual flow
The demand of adjusting is designed, to not only be able to satisfy actual demand, but also can save the cost；Demolition set, pressure sensor and master
The Combination Design of controller can be realized the active control adjusted to flow.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is a kind of solid rocket ramjet gas generator overall structure signal that the embodiment of the present invention one provides
Figure；
Fig. 2 is that flow control valve and first through hole overlap, completely under air inlet blanking cover whole closed state in embodiment one
Schematic diagram；
Fig. 3 be embodiment one in first through hole circulate completely, the schematic diagram under air inlet blanking cover whole closed state；
Fig. 4 is that flow control valve and first through hole overlap completely, one of air inlet blanking cover is by explosion in embodiment one
Schematic diagram under state；
Fig. 5 is that first through hole circulates completely, one of air inlet blanking cover is by the signal under explosion status in embodiment one
Figure；
Fig. 6 is that flow control valve overlaps completely with first through hole, two of them air inlet blanking cover is by explosion in embodiment one
Schematic diagram under state；
Fig. 7 is that first through hole circulates completely, two of them air inlet blanking cover is by the signal under explosion status in embodiment one
Figure.
Drawing reference numeral explanation: 1: cover board；2: venturi；3: air inlet；4: blanking cover；5: first through hole；6: driving device；7: passing
Moving axis；8: flow control valve；9: the second through-holes；10: gas generator main body；11: solid propellant.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to
Electrical connection can also be physical connection or wireless communication connection；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It in addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field
Based on logical technical staff can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this
The combination of technical solution is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of solid rocket ramjet gas flow regulating device, comprising:
One end that gas generator main body 10 is connect with venturi 2 is arranged in cover board 1, passes through on 1 thickness direction of cover board
Wear be equipped with one for so that the first through hole 5 that flows into the venturi 2 of the combustion gas in gas generator main body 10 (first is logical
The area in hole is A5) and at least one air inlet 3 (area of each air inlet is A3, A3<A5), on each air inlet 3
It is provided with the blanking cover 4 for blocking air inlet 3；First through hole 5 can be the geometric figures such as round, rectangular, diamond shape；Air inlet 3
It can be the geometric figures such as round, rectangular, diamond shape；First through hole 5 is consistent with the shape of air inlet 3.
Flow control valve 8 is arranged on the cover board 1, for moving on the cover board 1 under the action of driving device 6
Make to by the circulation area of the flow control valve 8 and the overlapping regulating gas of the first through hole 5；Flow control valve 8
It can be the block baffle being stacked on cover board 1, one end is rotatably connected on the cover board, and the other end can be during rotation with
One through-hole 5 overlaps the circulation area for carrying out regulating gas；Flow control valve 8 can also be one that one end is fixedly mounted on cover board 1
Block can be elastic splice plate, the other end can overlap the circulation area for carrying out regulating gas in telescopic process with first through hole 5.
The driving device 6, input terminal and master controller are electrically connected, and output end is connect with the flow control valve 8, are used
In driving the flow control valve 8 to act under the action of the master controller；
Demolition set, quantity is identical as the air inlet 3, and each demolition set is arranged on a blanking cover 4, can
Blanking cover 4 described in explosion is under master controller effect to increase the circulation area of combustion gas stream；
Pressure sensor is mounted on 10 inner wall of gas generator main body, and induction end is located at the gas generator
Inside main body 10, output end is electrically connected with master controller, and the pressure inside the gas generator main body 10 is believed by pressure
Number it is transferred to the master controller；
The master controller generates the first control instruction according to the pressure signal and exports to the driving device 6；Also root
The second control instruction is generated according to the pressure signal to export to the demolition set.Corresponding calculating journey is provided on master controller
Pressure signal can be converted to corresponding flow regulatory demand by sequence.
Solid rocket ramjet gas flow regulating device provided by the invention, master controller is according to the corresponding of setting
Condition commands driving device, and driving device drives flow control valve to act after the instruction for receiving master controller, thus real
Now to the active control of gas flow；In addition, the circulation area of flow control valve required effect in action process is entire larynx
The sub-fraction of road cross-sectional area, the pressure difference being subjected to, heat erosion all substantially reduce, therefore flow control valve is not required to carry out
Complicated resistance to compression solar heat protection corrosion design, flow control valve structure of the invention are simple, it is easy to accomplish, and can realize in a certain range
Flow adjust；Meanwhile the design of air inlet increases the range of apparatus of the present invention flow adjusting；The quantity of air inlet can basis
The demand that actual flow is adjusted is designed, to not only be able to satisfy actual demand, but also can save the cost；Demolition set, pressure pass
The Combination Design of sensor and master controller can be realized the active control adjusted to flow.
Preferably, the driving device 6, the motor including one for driving the flow control valve 8 to act, is mounted on
Nearly 2 side of venturi of the cover board 1；
The master controller is installed on suitable position in aircraft storehouse according to aircraft overall structure layout.
Preferably, the blanking cover 4 selects glass steel material, and is equipped in nearly 10 side of gas generator main body of blanking cover 4
Heat-barrier material, for prevent solid propellant 11 burn in the gas generator main body 10 generation heat destroy it is described stifled
Lid 4；One end end face adaptation that the shape and size of the cover board 1 are connect with gas generator main body 10 and venturi 2, the cover board
1 selects stainless steel material, and is equipped with heat-barrier material in nearly 10 side of gas generator main body, for preventing solid propellant 11 from existing
The heat that burning generates in the gas generator main body 10 destroys the cover board 1.
The present invention also proposes a kind of solid rocket ramjet gas generator, including gas generator main body 10 and larynx
Road 2 is provided with solid rocket ramjet gas flow described above between the gas generator main body 10 and trunnion 2
Regulating device.
Embodiment one
Referring to Fig. 1, the present embodiment proposes a kind of solid rocket ramjet gas flow regulating device, comprising:
The cover board 1 of stainless steel material, setting connect in hollow cylindrical gas generator main body 10 and hollow cylindrical venturi 2
The shape and size size of the one end connect, cover board 1 is consistent with the end face of 10 connecting pin of gas generator main body, in the cover board 1
One is provided through on thickness direction for so that the combustion gas in gas generator main body 10 flows into first in the venturi 2
(area of first through hole is A to through-hole 55) and two air inlets 3 (area of each air inlet is A3), on each air inlet 3
It is provided with the blanking cover 4 of the glass steel material for blocking air inlet.
Flow control valve 8 is stacked on the cover board 1, and by being mounted on the lid perpendicular to the shaft of the cover board 1
On plate 1, for being rotated on the cover board 1 under the action of motor through the flow control valve 8 and the first through hole 5
The circulation area of overlapping regulating gas；
The flow control valve 8, including a block baffle, one end of the baffle are hinged on the cover board 1 and described
Outside 2 inside diameter ranges of venturi of cover board 1 and 2 junction of venturi, the other end can gradually block the first through hole during rotation
5；
The center at the rotatable end of the baffle, as shown in Figure 1, offering one can be with the rotation of the baffle
And (area of the second through-hole is A to the second through-hole 9 being completely coincident with the first through hole 59, A9<A5, the shape of the second through-hole with
First through hole is consistent).
Motor, input terminal and master controller are electrically connected, and output end is connect with the flow control valve 8, for described
The flow control valve 8 is driven to act under the action of master controller；
Two demolition sets, each demolition set are arranged on a blanking cover 4, can act in the master controller
Blanking cover 4 described in lower explosion is to increase the circulation area of combustion gas stream；
Pressure sensor is mounted on 10 inner wall of gas generator main body, and induction end is located at the gas generator
Inside main body 10, output end is electrically connected with master controller, and the pressure inside the gas generator main body 10 is believed by pressure
Number it is transferred to the master controller；
The master controller generates the first control instruction according to the pressure signal and exports to the driving device 6；Also root
The second control instruction is generated according to the pressure signal to export to the demolition set.
The area relationship of the first through hole 5, the second through-hole 9 and air inlet 3 is A5=A9+A3, and A9<A3<A5。
(two air inlets 3 are in a closed state), guided missile when solid rocket ramjet is just started to work
Be typically in climb, boost phase, need engine provide compared with high thrust, it is therefore desirable to biggish gas flow.In main control
When device receives pressure signal and judges to be less than first object pressure threshold, master controller will be triggered to motor and send the first control
System instruction, after the instruction that motor receives master controller by transmission shaft drive flow control valve 8 turn to the second through-hole 9 and
First through hole 5 is completely coincident at position, referring to fig. 2, the valid circulation area that gas generator main body 10 and venturi 2 circulate at this time
Minimum is the area A of the second through-hole 99, pressure is maximum in gas generator main body 10, flows into larynx from gas generator main body 10
Gas flow in road 2 is maximum.
As missile flight height increases, the air mass flow into air intake duct is gradually decreased, to guarantee engine operation
Optimal air-fuel ratio needs accordingly to reduce the gas flow in venturi 2.Pressure signal is received in master controller and judges to be greater than the
When two target pressure thresholds, master controller will be triggered to motor and send the first control instruction, motor is receiving master controller
Instruction after by transmission shaft drive flow control valve 8 swing, blocking to first through hole 5 is gradually decreased, to increase combustion gas
Valid circulation area between generator main body 10 and venturi 2, so that 10 pressure of gas generator main body gradually decreases, from combustion gas
The gas flow that generator main body 10 flows into venturi 2 is gradually reduced.After first through hole 5 circulates completely, circulation area at this time
For A5, referring to Fig. 3.
If will be triggered at this point, master controller receives pressure signal and judges still to be greater than the second target pressure threshold
Second control instruction of demolition set transmission ignites the demolition set to master controller thereto, and corresponding air inlet 3 is made to circulate,
Can trigger simultaneously master controller to motor send the first control instruction driving 8 moment of flow control valve turn to the second through-hole 9 with
First through hole 5 is completely coincident at position (referring to fig. 4), and flow control valve 8 swings the screening gradually decreased to first through hole 5 again later
Gear, until the circulation completely of first through hole 5 (referring to Fig. 5).The moment of flow control valve 8 turns to the second through-hole 9 and first through hole 5
The movement being completely coincident at position can be realized in conjunction with the first through hole 5, the area relationship of the second through-hole 9 and air inlet 3
Flow adjusting proximity is linear.
If will be triggered at this point, master controller receives pressure signal and judges still to be greater than the second target pressure threshold
Master controller sends the second control instruction to another demolition set and ignites the demolition set, so that corresponding air inlet 3 is circulated, together
When can trigger master controller and send the first control instruction driving 8 moment of flow control valve to motor and turn to the second through-hole 9 and the
One through-hole 5 is completely coincident at position (referring to Fig. 6), and flow control valve 8 swings the screening gradually decreased to first through hole 5 again later
Gear, until the circulation (referring to Fig. 7) completely of first through hole 5, circulation area at this time are A5+2*A3。
Later, if master controller receives pressure signal and judges to be less than third target pressure threshold, master control will be triggered
Device processed sends the first control instruction driving flow control valve 8 and gradually rotate to motor increases blocking to first through hole 5, to increase
Gas flow.
Embodiment two
The present embodiment is compared with embodiment one, and only the structure of flow control valve is different, and other structures are the same as embodiment one.
In the present embodiment, flow control valve 8 includes one piece of splice plate that can be elastic, and one end of the splice plate is fixed
It is connected on the cover board 1 and outside the venturi inside diameter ranges of the cover board 1 and 2 junction of venturi, the other end is in the process of stretching
In can gradually block the first through hole 5.
The center of the expansion end of the splice plate offer one can with the stretching of the splice plate and with institute
State the second through-hole 9 that first through hole 5 is completely coincident.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (9)
1. a kind of solid rocket ramjet gas flow regulating device characterized by comprising
One end that gas generator main body is connect with venturi is arranged in cover board, is provided through on the cover sheet thickness direction
One is used for so that the intracorporal combustion gas of gas generator master flows into first through hole and at least one air inlet in the venturi, often
The blanking cover for blocking air inlet is provided on a air inlet；
Flow control valve is arranged on the cover board, for acting under the action of driving device on the cover board to logical
Cross the circulation area of the overlapping regulating gas of the flow control valve and the first through hole；
The driving device, input terminal and master controller are electrically connected, and output end is connect with the flow control valve, in institute
It states and the flow control valve is driven under the action of master controller to act；
Demolition set, quantity is identical as the air inlet, and each demolition set is arranged on a blanking cover, can be described
Master controller acts on blanking cover described in lower explosion to increase the circulation area of combustion gas stream；
Pressure sensor is mounted in the gas generator main body inner wall, and induction end is located in the gas generator main body
Portion, output end are electrically connected with master controller, and the pressure of the gas generator body interior is transferred to institute by pressure signal
State master controller；
The master controller generates the first control instruction according to the pressure signal and exports to the driving device；Also according to institute
The second control instruction of pressure signal generation is stated to export to the demolition set.
2. a kind of solid rocket ramjet gas flow regulating device as described in claim 1, which is characterized in that described
Flow control valve includes a block baffle, and one end of the baffle is hinged on the cover board and in the cover board and venturi junction
Venturi inside diameter ranges outside, the other end can gradually block the first through hole during rotation.
3. a kind of solid rocket ramjet gas flow regulating device as claimed in claim 2, which is characterized in that described
The center at the rotatable end of baffle offers one can be completely heavy with the first through hole with the rotation of the baffle
The second through-hole closed.
4. a kind of solid rocket ramjet gas flow regulating device as described in claim 1, which is characterized in that described
Flow control valve includes one piece of splice plate that can be elastic, one end of the splice plate be fixedly connected on the cover board and
Outside the venturi inside diameter ranges of the cover board and venturi junction, it is logical that the other end can gradually block described first during stretching
Hole.
5. a kind of solid rocket ramjet gas flow regulating device as claimed in claim 4, which is characterized in that described
The center of the expansion end of splice plate offers one can be complete with the first through hole with the stretching of the splice plate
The second through-hole that full weight is closed.
6. a kind of solid rocket ramjet gas flow regulating device as described in claim 3 or 5, feature exist
In the area of second through-hole is less than the area of the first through hole.
7. a kind of solid rocket ramjet gas flow regulating device as described in claim 1, which is characterized in that described
Driving device is mounted on the nearly venturi side of the cover board including one for driving the motor of the flow control valve movement；
The master controller is installed in aircraft storehouse.
8. a kind of solid rocket ramjet gas flow regulating device as described in claim 1, which is characterized in that described
Blanking cover selects glass steel material, and is equipped with heat-barrier material in the nearly gas generator main body side of blanking cover；The shape of the cover board
One end end face adaptation connecting with size with gas generator main body and venturi, the cover board select stainless steel material, and close
Gas generator main body side is equipped with heat-barrier material.
9. a kind of solid rocket ramjet gas generator, which is characterized in that including gas generator main body and venturi, institute
It states and is arranged between gas generator main body and trunnion just like the solid rocket ramjet combustion gas stream described in claim 1~8
Quantity regulating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211474.3A CN109944713B (en) | 2019-03-20 | 2019-03-20 | Gas flow regulating device and gas generator of solid rocket ramjet |
Applications Claiming Priority (1)
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| CN111577484A (en) * | 2020-05-26 | 2020-08-25 | 湖南宏大日晟航天动力技术有限公司 | Gas flow adjusting device of rotary nozzle valve of solid rocket ramjet engine |
| CN112539413A (en) * | 2020-11-10 | 2021-03-23 | 北京北方华创微电子装备有限公司 | Tail gas treatment device of semiconductor process equipment |
| CN112855380A (en) * | 2020-12-02 | 2021-05-28 | 南京航空航天大学 | Flow regulating device of axisymmetric channel, tail nozzle using same and regulating method |
| KR20210102629A (en) * | 2020-02-12 | 2021-08-20 | 현대로템 주식회사 | Gas flow regulator for ducted lampjet engine |
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| CN112855380B (en) * | 2020-12-02 | 2022-05-03 | 南京航空航天大学 | Flow regulating device of axisymmetric channel, tail nozzle using same and regulating method |
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