CN110425056A - One kind promoting array structure based on 3D printing technique miniature solid - Google Patents
One kind promoting array structure based on 3D printing technique miniature solid Download PDFInfo
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- CN110425056A CN110425056A CN201910638100.XA CN201910638100A CN110425056A CN 110425056 A CN110425056 A CN 110425056A CN 201910638100 A CN201910638100 A CN 201910638100A CN 110425056 A CN110425056 A CN 110425056A
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- Prior art keywords
- miniature
- array
- solid
- miniature solid
- bottom plate
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/08—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/08—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants
- F02K9/32—Constructional parts; Details not otherwise provided for
- F02K9/34—Casings; Combustion chambers; Liners thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/95—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof characterised by starting or ignition means or arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/97—Rocket nozzles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses one kind to promote array structure based on 3D printing technique miniature solid, and the miniature solid engine of multiple periodic arrangements and bottom plate integration are printed miniature solid by 3D printing technique and promote array in kind.According to the sequencing of print procedure, the spray head of shell, clad, powder column, igniter and bottom plate each section of miniature solid propulsion array structure and printer is respectively corresponded into printing one-pass molding；Without other process and leftover pieces are rejected, save material, it is light-weight.The miniature propulsion array sealed reliable of 3D printing, and do not interfere with each other mutually between each unit tiny engine, without phenomenon of collaborating, the reliability and stability for promoting array are greatly improved.Miniature solid promotes the powder column of array to print together with other components, avoids the generation of bubble, the process-cycle is short；And having structure simple, it is convenient to realize in engineering, feature at low cost.Complete that process is less, process flow is simple from printing is designed into, it is high in machining efficiency.
Description
Technical field
The present invention relates to miniature solid engine structure designing techniques, specifically, being related to a kind of based on 3D printing technique
Miniature solid promotes array structure.
Background technique
Propulsion system is the critical system of most spacecraft, and it is the outstanding posture tune of microreactor technology that miniature solid, which promotes array,
Whole power.Miniature solid promotes array to be mainly used in the orbit adjusting of microminiature spacecraft, gravitation compensation, position holding, rail
Road is motor-driven and gesture stability etc..The demand for development propulsion system of microminiature spacecraft has small in size, light-weight, integrated level
Feature high and with high accuracy.Existing rocket engine designing technique is based on traditional structure and manufacture process programme, it is difficult to be added
The labyrinth of work hinders miniaturization and the rapid development of propulsion system.The appearance of MEMS technology processing technology is so that by entire
System compact and integrated chemical conversion are difficult to realize being integrated for propulsion device to be possible, it is therefore desirable to be further improved
The manufacturing process of propulsion system.3D printing technique is the manufacturing technology rapidly developed in recent years, based on 3D printing technique
Micro propulsion device structure, layout, propellant charge formula can not be designed by conventional engines and be limited, and be not only able to achieve multiple
The rapid development of miscellaneous structure, and can solve the problems, such as that micromass culture system bulk and quality are excessive.
Currently, being based on MEMS technology processing technology, the David H.Lewis Jr. in the U.S. et al. has developed " Digital propulsion "
Miniature propulsion array (Digital micropropulsion [J] .Sensors and Actuators A:Physical,
2000,80 (2): 143-154.), " MEMS Solid-state Chemistry impeller design and the modeling that domestic outstanding political affairs of Tsinghua University et al. propose
Research " (" optical precision engineering ", 2005,13 (2): 117-126.).The miniature propulsion array has similar structure, main to wrap
It includes firing circuit, combustion chamber and jet pipe three parts, three-decker to process respectively, be then assemblied in by the method for being bonded and being bonded
Together.One layer of thin membrane is arranged at jet pipe bottom, for completely cutting off propellant and external environment when promoting array not work.Solidification
The working principle for learning miniature propulsion array is: control circuit receives instruction and powers to designating unit, and initiating bridge reaches certain temperature
Propellant combustion and high temperature and high pressure gas product is generated after degree, in combustion chamber, gas, which breaks through diaphragm and sprays jet pipe, generates thrust.But
Be that the miniature propulsion array based on MEMS technology processing comes with some shortcomings: it can not achieve miniature propulsion array powder column and shell
Integration；The passive quality of miniature propulsion array is larger.It may be gone out using the miniature propulsion array being bonded or bonding method is assembled
It now collaborates phenomenon.Propellant uses pouring procedure, powder column the defects of there may be bubbles, and the process-cycle is long.Propulsion unit ruler
Spend small, three-decker is processed respectively, and structure is complicated, and the requirement to technique is high.
Patent of invention CN201510329780.9 discloses a kind of " Micro-Solid Rocket Motors based on 3D printing technique
Structure ", the Micro-Solid Rocket Motors structure use three nozzle printing machines, realize the one of shell, powder column and metal igniter
Bodyization printing, obtained solid propellant rocket have the characteristics that simple structure, sealed reliable and process cycle are short.However, being
Realize the tasks such as pose adjustment and the orbital transfer of microreactor technology, it is desirable to be able to the variable device of thrust size is generated, it is single
Micro-Solid Rocket Motors are difficult to meet its requirement, if multiple Micro-Solid Rocket Motors to be integrated in the bottom of a certain material
Propulsion array is made on plate, then can reach mission requirements.In the patent of the invention, although miniature solid can be made by mentioning
Rocket engine array, but do not describe specifically.
Summary of the invention
In order to avoid the shortcomings of the prior art, the present invention proposes a kind of based on 3D printing technique miniature solid propulsion battle array
Array structure, the solid propellant propulsion array structure have simple structure and reliable sealing, and igniting is easy and the process-cycle is short.
The technical solution adopted by the present invention to solve the technical problems is: including bottom plate, it is characterised in that miniature solid pushes away
Into array structure be it is rectilinear, the symmetrical axis direction of miniature propulsion array is parallel with backplate surface normal direction；Miniature propulsion battle array
Column are by multiple separate unit miniature solid cluster engines at each miniature solid engine includes shell, clad, powder column, point
Firearm；Shell includes jet pipe, combustion chamber and front head, and wherein jet pipe is the Laval jet pipe for having converging portion and expansion segment；Point
Firing circuit in firearm and bottom plate is all made of copper material；Each unit engine of the miniature propulsion array can independent point
Fire or multiple unit cluster engine chalaza fire, the lead of igniter are drawn from front head, and what is be separately addressed is connected to control chip
On, according to mission requirements, the pin of simultaneously connecting bottom board firing circuit is selected, connects power supply；Miniature solid promotes array each unit
Shell, clad, powder column and the igniter of engine are integrally formed and integrated on bottom plate using 3D printing technique.
Shell, bottom plate are all made of silicon materials and are made, and clad is any one heat-insulating material；Powder column is solid propellant
Any one.
Beneficial effect
It is proposed by the present invention that array structure is promoted based on 3D printing technique miniature solid, by 3D printing technique by multiple weeks
The Micro-Solid Rocket Motors of phase property arrangement and bottom plate integration print miniature solid and promote array in kind.According to printing
Miniature solid is promoted shell, clad, powder column, igniter and bottom plate each section of array structure and beaten by the sequencing of journey
The spray head of print machine respectively corresponds printing one-pass molding；Without other process and leftover pieces are rejected, save material, it is light-weight.3D is beaten
Miniature propulsion array sealed reliable is printed, and is not interfere with each other mutually between each unit engine, without phenomenon of collaborating, propulsion array is greatly improved
Reliability and stability.Miniature solid promotes the powder column of array to print together with other components, avoids the generation of bubble,
Process-cycle is short.
The present invention is based on 3D printing technique miniature solids to promote array structure, has structure simple, and it is convenient to realize in engineering,
Feature at low cost；From being designed into, printing completion process is less, and processing process is simple, high in machining efficiency.It is all single solid
Body engine and bottom plate integrated molding, obtained structure passiveness quality are seldom.
Detailed description of the invention
With reference to the accompanying drawing with embodiment to of the invention a kind of based on 3D printing technique miniature solid propulsion array structure
It is described in further detail.
Fig. 1 is that the present invention is based on 3D printing technique miniature solids to promote array structure sectional view.
Fig. 2 is that the present invention is based on 3D printing technique miniature solids to promote array structure top view.
In figure:
1. 5. bottom plate of shell 2. clad, 3. powder column, 4. igniter, 6. pin
Specific embodiment
The present embodiment is a kind of based on 3D printing technique miniature solid propulsion array structure.
Refering to this Fig. 1, Fig. 2, the present embodiment is based on 3D printing technique miniature solid and promotes array structure；Including bottom plate,
In, miniature solid promote array structure be it is rectilinear, the symmetrical axis direction of miniature propulsion array and backplate surface normal direction are flat
Row；Miniature propulsion array by multiple separate unit miniature solid cluster engines at, each miniature solid engine include shell 1,
Clad 2, powder column 3, igniter 4；Shell includes jet pipe, combustion chamber and front head, and wherein jet pipe is to have converging portion and expansion segment
Laval jet pipe；Firing circuit in igniter and bottom plate is all made of copper material；Each list of the miniature propulsion array
First engine can independently light a fire or multiple unit cluster engine chalaza fire.The lead of igniter is drawn from front head, is independently sought
Location is connected on control chip；According to mission requirements, the pin 6 of simultaneously connecting bottom board firing circuit is selected, connects power supply.It is miniature
Shell, clad, powder column and the igniter of solid propellant propulsion array each unit engine are integrally formed using 3D printing technique, and one
Body is integrated on bottom plate.It is 4 × 4 structures that the present embodiment miniature solid, which promotes array,.Shell 1, bottom plate 5 are all made of silicon materials system
At clad 2 is any one heat-insulating material；Powder column 3 is any one of solid propellant.
The working principle of miniature solid propulsion array:
According to mission requirements, the pin of simultaneously connecting bottom board firing circuit is selected, is powered on, it is corresponding one or several micro-
The igniter of type solid propellant rocket directly lights the indoor powder charge of burning according to voltage instruction；Powder column burns in the combustion chamber
The gas of high temperature and pressure is generated, chemical energy is converted into interior energy；High temperature and high pressure gas is sprayed by jet pipe generates thrust, interior to be converted into
Kinetic energy.
The present embodiment carries out integrated molding using the four nozzle printing machines added with different materials.It is first after printing starts
Bottom parts are first printed, which needs to be realized by the spray head equipped with shell, firing circuit material；Then it prints simultaneously multiple
Front head, combustion chamber and the jet pipe of microrocket engine, the part leading portion are needed by being equipped with shell, clad, powder column and point
The spray head of firearm material realizes that back segment is only realized by the spray head equipped with shell, coating layer material.
Miniature solid promotes array manufacturing process:
1. designing miniature solid promotes array structure；It is 4 × 4 structures that miniature solid, which promotes array,.
2. the miniature solid that design is completed promotes Array Model to import in 3D printer, in processing matched with printer
It is layered, positioned in software, ready-to-print；
3. miniature solid to be promoted to shell, clad, powder column, the point of array structure according to the sequencing of print procedure
Four spray heads of firearm and bottom plate each section and printer respectively correspond；
4. carrying out the debugging before 3D printer work；It debugs the sprinkler height of printer, squeeze out line width and print speed, and
Ensure substrate level；
5. starting 3D printer is printed, 3D printer using printing layer by layer, by the miniature solid of multiple periodic arrangements
Body promotes array structure and bottom plate integration to print.Printing is completed.
Claims (2)
1. one kind promotes array structure, including bottom plate based on 3D printing technique miniature solid, it is characterised in that: miniature solid promotes
Array structure be it is rectilinear, the symmetrical axis direction of miniature propulsion array is parallel with backplate surface normal direction；Miniature propulsion array
By multiple separate unit miniature solid cluster engines at each miniature solid engine includes shell, clad, powder column, igniting
Device；Shell includes jet pipe, combustion chamber and front head, and wherein jet pipe is the Laval jet pipe for having converging portion and expansion segment；Igniting
Firing circuit in device and bottom plate is all made of copper material；Each unit engine of the miniature propulsion array can independent point
Fire or multiple unit cluster engine chalaza fire, the lead of igniter are drawn from front head, and what is be separately addressed is connected to control chip
On, according to mission requirements, the pin of simultaneously connecting bottom board firing circuit is selected, connects power supply；Miniature solid promotes array each unit
Shell, clad, powder column and the igniter of engine are integrally formed and integrated on bottom plate using 3D printing technique.
2. according to claim 1 promote array structure based on 3D printing technique miniature solid, it is characterised in that: shell,
Bottom plate is all made of silicon materials and is made, and clad is any one heat-insulating material；Powder column is any one of solid propellant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638100.XA CN110425056A (en) | 2019-07-16 | 2019-07-16 | One kind promoting array structure based on 3D printing technique miniature solid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910638100.XA CN110425056A (en) | 2019-07-16 | 2019-07-16 | One kind promoting array structure based on 3D printing technique miniature solid |
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| CN201910638100.XA Pending CN110425056A (en) | 2019-07-16 | 2019-07-16 | One kind promoting array structure based on 3D printing technique miniature solid |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559948A (en) * | 2020-05-20 | 2020-08-21 | 湖北三江航天江河化工科技有限公司 | Formula of 3D printing solid propellant/heat insulating layer and integrated preparation method thereof |
| CN111873405A (en) * | 2020-07-08 | 2020-11-03 | 西安交通大学 | Photo-curing technology-based heat-insulation and charge integrated additive manufacturing method, printing device and forming equipment |
| CN115329587A (en) * | 2022-08-23 | 2022-11-11 | 南京理工大学 | Design method of integrated structure cold air micro-propulsion system based on 3D printing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603599A (en) * | 2004-11-12 | 2005-04-06 | 清华大学 | Minisize chemical propeller with pressure sensor |
| CN102022224A (en) * | 2010-09-08 | 2011-04-20 | 北京理工大学 | Ignition system for large-scale solid micro-thruster array |
| CN102650245A (en) * | 2011-02-24 | 2012-08-29 | 西北工业大学 | Miniature solid rocket engine |
| CN104989552A (en) * | 2015-06-15 | 2015-10-21 | 西北工业大学 | Minitype solid rocket engine structure based on 3D printing technology |
| CN206221089U (en) * | 2016-10-08 | 2017-06-06 | 北京航空航天大学 | The miniature propulsion systems of MEMS |
-
2019
- 2019-07-16 CN CN201910638100.XA patent/CN110425056A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603599A (en) * | 2004-11-12 | 2005-04-06 | 清华大学 | Minisize chemical propeller with pressure sensor |
| CN102022224A (en) * | 2010-09-08 | 2011-04-20 | 北京理工大学 | Ignition system for large-scale solid micro-thruster array |
| CN102650245A (en) * | 2011-02-24 | 2012-08-29 | 西北工业大学 | Miniature solid rocket engine |
| CN104989552A (en) * | 2015-06-15 | 2015-10-21 | 西北工业大学 | Minitype solid rocket engine structure based on 3D printing technology |
| CN206221089U (en) * | 2016-10-08 | 2017-06-06 | 北京航空航天大学 | The miniature propulsion systems of MEMS |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559948A (en) * | 2020-05-20 | 2020-08-21 | 湖北三江航天江河化工科技有限公司 | Formula of 3D printing solid propellant/heat insulating layer and integrated preparation method thereof |
| CN111873405A (en) * | 2020-07-08 | 2020-11-03 | 西安交通大学 | Photo-curing technology-based heat-insulation and charge integrated additive manufacturing method, printing device and forming equipment |
| CN111873405B (en) * | 2020-07-08 | 2021-11-19 | 西安交通大学 | Photo-curing technology-based heat-insulation and charge integrated additive manufacturing method, printing device and forming equipment |
| CN115329587A (en) * | 2022-08-23 | 2022-11-11 | 南京理工大学 | Design method of integrated structure cold air micro-propulsion system based on 3D printing |
| CN115329587B (en) * | 2022-08-23 | 2023-04-07 | 南京理工大学 | Design method of integrated structure cold air micro-propulsion system based on 3D printing |
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Application publication date: 20191108 |
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