CN107282534A - A kind of liquid propellant rocket engine test pressure sensor cleaning device - Google Patents
A kind of liquid propellant rocket engine test pressure sensor cleaning device Download PDFInfo
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- CN107282534A CN107282534A CN201710543283.8A CN201710543283A CN107282534A CN 107282534 A CN107282534 A CN 107282534A CN 201710543283 A CN201710543283 A CN 201710543283A CN 107282534 A CN107282534 A CN 107282534A
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- cleaning
- cleaning basket
- basket
- main body
- pressure sensor
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- 238000004140 cleaning Methods 0.000 title claims abstract description 123
- 238000012360 testing method Methods 0.000 title claims abstract description 15
- 239000003380 propellant Substances 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 title claims abstract description 11
- 239000012530 fluid Substances 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000012856 packing Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 11
- 239000012634 fragment Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical group OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- 229920001342 Bakelite® Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 241000293001 Oxytropis besseyi Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000013078 crystal Chemical group 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- ONXCJFFWHHPCOL-UHFFFAOYSA-N methylhydrazine;nitric acid Chemical group CNN.O[N+]([O-])=O ONXCJFFWHHPCOL-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- HDZGCSFEDULWCS-UHFFFAOYSA-N monomethylhydrazine Chemical compound CNN HDZGCSFEDULWCS-UHFFFAOYSA-N 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- -1 wash residue Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention provides liquid propellant rocket engine test pressure sensor cleaning device, it is made up of supersonic generator, ultrasonic transducer, rinse bath, cleaning fluid, sensor cleaning basket and housing, wherein, described sensor cleaning basket includes cleaning basket lid, sealing ring, cleaning basket main body and cleaning basket base；The cleaning basket lid is covered in cleaning basket main body, and sealing ring is located at the joint of cleaning basket lid and cleaning basket main body, is cleaned for preventing cleaning fluid by cleaning the gap flow sensor between basket lid and cleaning basket main body inside basket；Cleaning basket main body be placed on cleaning basket base on, can cleaning basket base on rotational angle；Cleaning basket lid carries M14x1.5 internal threads, coordinates with the mechanical interface of pressure sensor, and sealed using Packing spring pad.
Description
Technical field
The present invention relates to a kind of liquid propellant rocket engine test pressure sensor cleaning device, belong to liquid-propellant rocket engine
Pilot system cleannes and technical field of redundant material control.
Background technology
Airspace engine is the propulsion plant of guided missile, rocket and spacecraft etc., and its reliability directly determines aerospace system
Performance and the life-span.Fifth wheel in engine and its pipeline is to influence the one of the main reasons of engine performance.Fifth wheel
Detection and control are an important contents in airspace engine design and process of the test.On March 22nd, 1992, China and the big profit of Australia
First Australian telecommunications satellite of Asia cooperation, loss of ignition and huge space flight accident is caused due to there is aluminum fifth wheel in rocket.
Therefore, China will be set to China Aerospace quality day on March 22.
So-called fifth wheel, refers to present in product to be entered or internal pair production is unrelated with product specified states one by outside
Cut material.At present, common fifth wheel is classified as follows：
Metal fifth wheel：Fuse head, lead sealing block, aluminium envelope block, metal fillings, spring washer fragment, instrument fragment, wire
Head, welding slag, metal seal fragment etc.；
Nonmetallic fifth wheel：Combustion product, hair, coat of paint, plastic skin, bright and beautiful silk thread head, cable the end of a thread, plastic tube, putty
Block, epoxy resin block, rubber skin bit, bakelite fragment, imitation parchment bits, adhesive plaster block, silk, cloth, wash residue, oil
Class, ointment asbestos cloth, high-temperature tubring fragment, non-metallic seal fragment etc.；
Unnecessary parts：Flat shim, spring shim, screw, nut, technique blanking cover, process conditions, screwdriver, tweeter,
Other instruments；
Other fifth wheels：Dust, nail filings, button, coin, key, insect, shoestring, gloves, mouth mask, oxide, rust
Erosion, other compounds, human body sweat, electrostatic, spark, various pernicious gases etc..
At present, removed both at home and abroad for the fifth wheel during Test System for Rocket Engine Test and the research of control has then just risen
Step.In in-orbit/attitude control engine altitude simulation test, chamber pressure is the important parameter during engine test, is pair
The great criterion of engine performance.Because rail/attitude control engine chamber pressure measurement accuracy requires higher, typically using Shanghai
The YSZK-313 type diffused silicon pressure transmitters of the prosperous production of ancient cooking vessel are measured.
Rail/attitude control engine experiment is generally by the way of pressure sensor and the direct insertion of point position.During experiment, hair
Motivation, because propellant combustion is insufficient, causes pressure sensor cavity to block during pulse firing, inside cavity accumulation
A large amount of solid residues, existing soaking and washing method can not remove solid residue, and substantial amounts of solid residue can not be cleared up,
Cause sensor not to be continuing with, i.e., using that will scrap after once, cause the serious wasting of resources.
The content of the invention
In view of this, the present invention provides a kind of the clear of liquid propellant rocket engine test pressure measxurement YSZK-313 type sensors
Cleaning device, it is intended to solve the problems such as engine pressure sensor cleaning efficiency is low, cleanliness factor is poor.
The technical scheme is that：
A kind of liquid propellant rocket engine test pressure sensor cleaning device, mainly by supersonic generator (1), ultrasonic wave
Transducer (2), rinse bath (3), cleaning fluid (4), sensor cleaning basket (5) and housing (6) composition；
Supersonic generator (1) is placed on housing (6) bottom, produces electromagnetic vibration signal and provides energy, ultrasonic waves
Energy device (2) is placed in housing (6), and positioned at supersonic generator (1) top, the ultrasound that electric and magnetic oscillation is converted into itself is shaken
Move, and in the cleaning fluid (4) in incoming rinse bath (3), produce cavitation, promote the destruction of cleaning part surface contaminants and take off
Fall, rinse bath (3) is located at housing (6) interior ultrasonic transducer (2) top, for accommodating cleaning fluid and sensor cleaning basket (5)；
Preferably, housing (6) is connected with the edge of rinse bath (3) by welding manner, by supersonic generator (1) and super
Acoustic wave transducer (2) is sealed in housing (6)；
Sensor cleaning basket (5) is used in cleaning process install pressure sensor (7), by cleaning basket lid (51), sealing
Enclose (52), cleaning basket main body (53) and cleaning basket base (54) composition；
Cleaning basket lid (51) is covered in cleaning basket main body (53), and cleaning basket lid (51) carries M14x1.5 internal threads, with pressure
The mechanical interface of sensor (7) coordinates,
Preferably, cleaning basket lid (51) is sealed with pressure sensor (7) using Packing spring pad (8), it can prevent
It is internal that cleaning fluid (4) cleans basket (5) by the gap flow sensor cleaned between basket lid (51) and pressure sensor (7)；
Sealing ring (52) is sealed to the joint of cleaning basket lid (51) and cleaning basket main body (53), prevents cleaning fluid
(4) basket (5) inside is cleaned by the gap flow sensor cleaned between basket lid (51) and cleaning basket main body (53)；
Cleaning basket main body (53) can be placed on cleaning basket base (54), and can be rotated on cleaning basket base (54)
Angle；
Preferably, cleaning fluid (4) can enter the cavity (73) of pressure sensor (7) by cleaning the hole of basket lid (51),
Reach the purpose of cleaning；
Preferably, in cleaning process, can be taking human as the angle for rotating cleaning basket main body (53), it is ensured that pressure sensor
(7) the deposit in cavity (73) fully contacts cleaning fluid (4)；
Preferably, cleaning fluid (4) composition is deionized water；
Beneficial effect
The present invention utilizes supersonic generator (1), ultrasonic transducer (2) and rinse bath (3) composition ultrasonic wave cleaning dress
Put, coordinate corresponding sensor cleaning basket (5) to clean pressure sensor, compared to the existing method manually cleaned, its
The efficiency of lifting cleaning, and with very high cleaning precision well.
Brief description of the drawings
Fig. 1 is pressure sensor cleaning device schematic diagram.
Fig. 2 is pressure sensor structure schematic diagram.
Fig. 3 is that sensor cleans basket and sensor mechanical structure figure.
Embodiment
Below in conjunction with accompanying drawing, with regard to being related to liquid propellant rocket engine test pressure sensor cleaning device in this technology,
Provide further instruction.
A kind of liquid propellant rocket engine test pressure sensor cleaning device, mainly by supersonic generator (1), ultrasonic wave
Transducer (2), rinse bath (3), cleaning fluid (4), sensor cleaning basket (5) and housing (6) composition, as shown in Figure 1；Wherein, shell
Body (6) is used to hold supersonic generator (1), ultrasonic transducer (2) and rinse bath (3), and supersonic generator (1) is located at shell
Body (6) bottom, ultrasonic transducer (2) is located above supersonic generator (1), and rinse bath (3) is located at ultrasonic transducer (2)
Top, the edge of rinse bath (3) is connected with housing (6) by welding manner；Rinse bath (3) be used for hold cleaning fluid (4) and
Pressure sensor (7)；
The mechanical structure of pressure sensor (7) is as shown in Figure 2：Mechanical interface (71) is that M14x1.5 external screw thread and 60 ° are close
Inner conical surface is sealed, is joined directly together with engine or transfer tube, during engine ignition, high temperature and high pressure gas enter cavity (72)
It is interior, gaseous-pressure is perceived by diaphragm (73), modulate circuit (74) carries out signal condition to the pressure collected, and is output to collection
Equipment.Electric interfaces (75) are fixed by screws in the end face of pressure sensor (7).Between cavity (72) and modulate circuit (74)
Separated by diaphragm (73), the two is contactless.In engine impulse ignition process, the solid product of imperfect combustion generation enters empty
In chamber (72), cavity (72) is caused to block, pressure measxurement can not be carried out by also resulting in diaphragm (73)；
Sensor cleaning basket (5) is by cleaning basket lid (51), sealing ring (52), cleaning basket main body (53) and cleaning basket base
(54) constitute, as shown in figure 3, for being installed in cleaning process to pressure sensor (7)；
Cleaning basket lid (51) is covered in cleaning basket main body (53), and cleaning basket lid (51) carries M14x1.5 internal threads, with pressure
The mechanical interface (71) of sensor (7) coordinates；Cleaning fluid (4) enters pressure sensor (7) by cleaning the hole of basket lid (51)
Cavity (73), reaches the purpose of cleaning；It is close using Packing spring pad (8) progress between washing basket lid (51) and pressure sensor (7)
Envelope, can prevent cleaning fluid (4) from cleaning basket by the gap flow sensor cleaned between basket lid (51) and pressure sensor (7)
(5) it is internal；
Sealing ring (52) is positioned over the joint between cleaning basket lid (51) and cleaning basket main body (53), and joint is entered
Row sealing, prevents cleaning fluid (4) from being cleaned by the gap flow sensor cleaned between basket lid (51) and cleaning basket main body (53)
Basket (5) is internal；
Cleaning basket main body (53) is placed in cleaning basket base (54), and can on cleaning basket base (54) angle of rotation
Degree；
In cleaning process, the mechanical interface (71) of pressure sensor (7) is assembled with cleaning basket lid (51), and in interface
Place installs Packing spring pad (8) and sealed, now mechanical interface (71) surface of pressure sensor (7) and cleaning basket lid (51)
Flush；Cleaning basket lid (51) covers cleaning basket main body (53), while sealing ring (52) is put in into cleaning basket lid (51) and clear
Joint between washing basket main body (53), it is ensured that joint good seal；Cleaning basket main body (53) is put in cleaning basket base (54)
On；
Cleaning basket (5) is put in rinse bath (3), and cleaning fluid (4) is put to liquid level away from rinse bath into rinse bath (3)
(3) distance from top is (60-100) mm；Start supersonic generator (1), start cleaning.Supersonic generator (1) sends high frequency
Oscillator signal, mechanical oscillation signal is converted into by ultrasonic transducer (2), promotes cleaning fluid (4) by vibrating to pressure sensing
The solid residue of device cavity (72) is cleaned.
In the high mould process of the test of liquid-propellant rocket engine, two kinds of propellants are respectively methyl hydrazine and N2O4, what burning was produced consolidates
Body residue is nitric acid monomethyl hydrazine and ammonium nitrate and its crystal form, in order to ensure the solid residue of cavity (72) in cleaning
During quickly dissolve, cleaning fluid (4) of the present invention selects deionized water.
After cleaning terminates, supersonic generator (1) is turned off.Chemically examined, sentenced by the granularity grade to cleaning fluid (4)
It is disconnected whether to reach sensor cleaning requirement.If continuous three results of laboratory test are identical, and beyond defined particle content regulation
Standard, then it is assumed that cleaning fluid (4) saturation.Now, existing liquid in rinse bath (3) is discharged, tapping again, and repeated
State cleaning step.
In order to ensure that the wash result of pressure sensor (7) meets cleaning requirement, wash number is usually 2 times, during cleaning
Between be each 20-30 minutes.
In summary, presently preferred embodiments of the present invention is these are only, is not intended to limit the scope of the present invention.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (2)
1. a kind of liquid propellant rocket engine test pressure sensor cleaning device, it is characterised in that by supersonic generator (1),
Ultrasonic transducer (2), rinse bath (3), cleaning fluid (4), sensor cleaning basket (5) and housing (6) composition；
Sensor cleaning basket (5) includes cleaning basket lid (51), sealing ring (52), cleaning basket main body (53) and cleaning basket base
(54)；Wherein, the cleaning basket lid (51) is covered in cleaning basket main body (53), and sealing ring (52) is located at cleaning basket lid (51) and clear
The joint of washing basket main body (53), for preventing cleaning fluid (4) by cleaning between basket lid (51) and cleaning basket main body (53)
Gap flow sensor cleaning basket (5) is internal；Cleaning basket main body (53) is placed on cleaning basket base (54), can be at cleaning basket bottom
Rotational angle on seat (54).
2. sensor cleaning basket (5) according to claim 1, it is characterised in that the cleaning basket lid (51) carries
M14x1.5 internal threads, are coordinated with the mechanical interface of pressure sensor, are sealed using Packing spring pad (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710543283.8A CN107282534B (en) | 2017-07-05 | 2017-07-05 | A kind of liquid propellant rocket engine test pressure sensor cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710543283.8A CN107282534B (en) | 2017-07-05 | 2017-07-05 | A kind of liquid propellant rocket engine test pressure sensor cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107282534A true CN107282534A (en) | 2017-10-24 |
| CN107282534B CN107282534B (en) | 2019-08-13 |
Family
ID=60100225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710543283.8A Active CN107282534B (en) | 2017-07-05 | 2017-07-05 | A kind of liquid propellant rocket engine test pressure sensor cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107282534B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050098198A1 (en) * | 2003-11-10 | 2005-05-12 | Reg Yang | Washing device for packaging the image |
| CN2848384Y (en) * | 2005-07-14 | 2006-12-20 | 彭素娟 | Ultrasonic wave cleaning tank |
| CN202803652U (en) * | 2012-07-09 | 2013-03-20 | 安徽柯力电气制造有限公司 | Sensor cleaning and fixing basket |
| CN204276431U (en) * | 2014-09-25 | 2015-04-22 | 扬州大学 | Underwater sensor automatic brushing system |
| CN205814311U (en) * | 2016-06-13 | 2016-12-21 | 广东百合医疗科技股份有限公司 | A kind of pull-type pressure transducer flusher |
| CN205918713U (en) * | 2016-07-29 | 2017-02-01 | 上海东全生物科技有限公司 | Sensor interface conversion equipment for cleaning machine |
| CN206122287U (en) * | 2016-10-14 | 2017-04-26 | 天津市恒安食品有限公司 | Disinfection formula bottle cleaning machine washing brush device with guide casing pipe conversion functions |
| CN106770052A (en) * | 2016-11-22 | 2017-05-31 | 哈尔滨工业大学 | A kind of device for perceiving water body scatterer changes of contents |
-
2017
- 2017-07-05 CN CN201710543283.8A patent/CN107282534B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050098198A1 (en) * | 2003-11-10 | 2005-05-12 | Reg Yang | Washing device for packaging the image |
| CN2848384Y (en) * | 2005-07-14 | 2006-12-20 | 彭素娟 | Ultrasonic wave cleaning tank |
| CN202803652U (en) * | 2012-07-09 | 2013-03-20 | 安徽柯力电气制造有限公司 | Sensor cleaning and fixing basket |
| CN204276431U (en) * | 2014-09-25 | 2015-04-22 | 扬州大学 | Underwater sensor automatic brushing system |
| CN205814311U (en) * | 2016-06-13 | 2016-12-21 | 广东百合医疗科技股份有限公司 | A kind of pull-type pressure transducer flusher |
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| CN107282534B (en) | 2019-08-13 |
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