CN209991485U - Transparent combustion chamber assembly and fuel gas generator thereof - Google Patents
Transparent combustion chamber assembly and fuel gas generator thereof Download PDFInfo
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- CN209991485U CN209991485U CN201920314316.6U CN201920314316U CN209991485U CN 209991485 U CN209991485 U CN 209991485U CN 201920314316 U CN201920314316 U CN 201920314316U CN 209991485 U CN209991485 U CN 209991485U
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- protective sleeve
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Abstract
The utility model provides a transparent combustion chamber subassembly, include: the protective sleeve is arranged on the periphery of the transparent combustion chamber; the protective sheath sets up for the components of a whole that can function independently, including first section protective sheath and second section protective sheath, first section protective sheath, transparent combustion chamber, second section protective sheath are for setting gradually from last to down. The utility model also provides a gas generator. The utility model discloses practical safety can diversely, many hands are section to carrying out optical measurement to small-size gas generator.
Description
Technical Field
The utility model relates to a gas generator field, concretely relates to transparent combustion chamber subassembly and gas generator thereof.
Background
The combustion modes commonly used in gas generators, such as: gas-liquid injection combustion is always the key point of domestic and foreign research. How to make the fuel mix and burn completely is one of the key technologies of the gas generator. During experiment, only by accurately measuring the combustion process from multiple directions, credible experimental data can be obtained, so that the method is very important for in-depth research and display of the experimental data.
The performance parameters of the small gas generator for ground tests are accurately obtained, and the method has important significance for researching the performance of the aerospace propeller. Not only can save a large amount of costs, can also reduce the risk, promote the security performance, also make a contribution to laying the basis of research after.
The traditional measuring method is mostly in a contact type, namely, a sensor probe is deeply inserted into the internal flow field of the gas generator, and the parameters of the sensor probe are measured after the internal flow field is stable. The method is widely applied at present, but the precision is reduced because the interference of the flow field is inevitably generated due to the property that the probe penetrates into the flow field. The non-contact diagnosis technology is greatly different from the contact type in the measurement mode, and the defects are avoided. At present, the research of non-contact diagnosis technology is mainly focused on the field of optical diagnosis, and the shooting of an injector outlet flow field by adopting optical equipment is the development direction of the cold flow and heat flow test technology of the injector at present, such as a high-speed camera, a planar laser induced fluorescence device, a Raman spectrometer and the like.
In order to accurately measure the combustion process of the combustion chamber, the combustion chamber generally needs to be made of transparent glass material, but the glass is fragile, causes unsafe accidents and is inconvenient to replace.
SUMMERY OF THE UTILITY MODEL
The utility model provides a transparent combustion chamber subassembly, practical safety can diversely, many hands are section to carrying out optical measurement to small-size gas generator.
The technical scheme of the utility model is that: the utility model provides a transparent combustion chamber subassembly, include: the protective sleeve wraps the periphery of the transparent combustion chamber; the protective sleeve is arranged in a split way and comprises an upper half protective sleeve and a lower half protective sleeve,
the upper half section of protective sleeve comprises an upper half section of base body and at least two upper half section of protective columns extending to the direction of the transparent combustion chamber along the upper half section of base body, and a first groove is formed between every two adjacent upper half section of protective columns;
the lower half section of protective sleeve comprises a lower half section of base body and at least two lower half section of protective columns extending to the direction of the transparent combustion chamber along the lower half section of base body, and a second groove is formed between every two adjacent lower half section of protective columns;
the upper half section protection column is connected with the lower half section protection column, and is formed on the periphery of the transparent combustion chamber in a surrounding manner so as to support the transparent combustion chamber;
the first groove is communicated with the second groove, and an observation window is formed.
Optionally, the igniter comprises an extension, and the extension is arranged at the joint of the igniter and the upper protective sleeve.
Optionally, a red copper gasket is arranged between the igniter and the upper protective sleeve.
Optionally, the number of the upper half section of protection column and the lower half section of protection column is equal, and the upper half section of protection column and the lower half section of protection column are arranged correspondingly.
Optionally, the igniter is a spark plug igniter and is arranged at the upper protective sleeve.
Optionally, the lower end of the upper half-section protective sleeve is mechanically connected with the upper end of the transparent combustion chamber, and a third tetrafluoro gasket is arranged between the upper half-section protective sleeve and the transparent combustion chamber; and/or
The upper end of the lower section of protective sleeve is mechanically connected with the lower end of the transparent combustion chamber, and a fourth tetrafluoro gasket is arranged between the lower section of protective sleeve and the transparent combustion chamber.
Optionally, the transparent combustion chamber is cylindrical, the inner wall of the lower half section of protection post is provided with a first curved surface, the inner wall of the lower half section of protection post is provided with a second curved surface, and the first curved surface and the second curved surface are respectively matched with the outer wall of the transparent combustion chamber.
The utility model also provides a fuel gas generator, fuel gas generator includes injector, spray tube and the aforesaid is arbitrary the combustion chamber subassembly, injector, combustion chamber subassembly, spray tube are for setting gradually under to from last.
Optionally, the upper half section of protective sleeve is connected with the injector, and a second tetrafluoro gasket is arranged between the injector and the upper half section of protective sleeve; and/or
The lower end of the lower section of protective sleeve is connected with the spray pipe, and a fifth fluorine gasket is arranged between the lower section of protective sleeve and the spray pipe.
The utility model has the advantages that:
(1) the utility model provides a transparent combustion chamber component, which is practical and safe and can carry out optical measurement on small-sized fuel gas generators in a multi-azimuth and multi-hand way.
(2) The utility model discloses a periphery of transparent combustion chamber is located to upper and lower two sections protective sheaths, and first recess and second recess on the protective sheath form the observation window, can utilize optical instrument to measure the inside of combustion chamber. The utility model discloses when guaranteeing better light transmissivity, increased the protective sheath, promoted the compressive property of combustion chamber subassembly, prevent all the other parts after the transparent combustion chamber is broken from dropping, causing the loss.
(3) The utility model discloses take the form of upper and lower two sections protective sheath combinations, take out and the change of new transparent combustion chamber after convenient inside transparent combustion chamber is broken.
(4) The utility model discloses the combustion chamber subassembly adopts the protective sheath parcel to be in transparent combustion chamber periphery, the mode of the outside protective sheath of taking promptly, inside transparent combustion chamber is applicable to the combustion mechanism research of the miniature gas generator in ground under the low pressure environment, has reference meaning to the research of large-scale aerospace propeller. The utility model relates to a combustor subassembly that is applicable to ground low discharge, low pressure gas generator and carries out diversified many optical diagnosis.
Drawings
FIG. 1 is a schematic perspective view of a gasifier according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a transparent combustion chamber assembly according to an embodiment of the present invention; (omitting igniter)
Fig. 3 is a schematic cross-sectional view of a transparent combustion chamber assembly according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of an upper protective sleeve of a transparent combustion chamber assembly according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a transparent combustion chamber in a transparent combustion chamber assembly according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of a lower protective sleeve of a transparent combustion chamber assembly according to an embodiment of the present invention;
reference numerals: 1-an injector; 2-a combustor assembly; 3-spraying a pipe; 4-a groove;
20-an observation window; 21-a second tetrafluoro spacer; 22-a red copper gasket; 23-an igniter; 230-an extension; 24-a third tetrafluoro gasket; 25-a fourth tetrafluoro spacer; 26-a fifth fluorocarbon gasket; 27-lower half section of protective sleeve; 28-transparent combustion chamber; 29-upper half protective sleeve; 79-protective sheath;
270-lower half base; 271-lower half section guard post; 272-a second curved surface; 273-second recess;
290-upper base half; 291-upper half section of protection column; 292-a first curved surface; 293-first groove;
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-6, embodiments of the present invention provide a transparent combustion chamber assembly, comprising: the flame-retardant igniter comprises a protective sleeve 79, an igniter 23 and a transparent combustion chamber 28, wherein the protective sleeve 79 is wrapped on the periphery of the transparent combustion chamber 28; the protective sleeves are arranged in a split mode and comprise an upper half protective sleeve 29 and a lower half protective sleeve 27;
the upper half protective sleeve 29 comprises an upper half base 290 and at least two upper half protective columns 291 extending along the upper half base 290 to the transparent combustion chamber 28, and a first groove 293 is formed between every two adjacent upper half protective columns 291;
the lower-section protective sleeve 27 comprises a lower-section base body 270 and at least two lower-section protective columns 271 extending along the lower-section base body 270 to the direction of the transparent combustion chamber 28, and a second groove 273 is formed between every two adjacent lower-section protective columns 271;
the embodiment of the utility model provides a second half section protection pillar 271 and first half section protection pillar 291 are four.
The upper half section protection column 291 is connected with the lower half section protection column 271, and is formed around the periphery of the transparent combustion chamber 28 to support and protect the transparent combustion chamber 28;
the first and second grooves 293 and 273 communicate with each other and form the observation window 20.
The embodiment of the utility model provides a transparent combustion chamber subassembly, practical safety can diversely, many hands section ground carry out optical measurement to small-size gas generator.
The embodiment of the utility model provides a first section protective sheath 29 and second section protective sheath 27 can adopt stainless steel material to make, the utility model discloses first section protective sheath 29 and second section protective sheath 27 can adopt the rectangle. The transparent combustion chamber 28 of the embodiment of the present invention may be cylindrical, and the material is preferably quartz glass. The embodiment of the utility model provides a form four observation windows 20, corresponding to four faces of rectangle protective sheath, can utilize optical instrument to measure from four inside in the face of burning respectively. Obviously, the present invention is not limited to the material and shape of the half-protective jacket 29, the lower half-protective jacket 27, and the transparent combustion chamber 28.
The embodiment of the utility model provides an adopt first section protection post 291 and second section protection post 271 to enclose to close the periphery that forms in transparent combustion chamber 28, the utility model discloses a first recess 293 and first recess 293 form the observation window, can utilize optical instrument to measure transparent combustion chamber 28's inside. The utility model discloses when guaranteeing better light transmissivity, increased the protective sheath, promoted the compressive property of combustion chamber subassembly, prevent all the other parts after the transparent combustion chamber is broken from dropping, causing the loss.
The embodiment of the utility model provides an adopt the form of upper and lower two sections protective sheath combinations, make things convenient for the change that takes out and new transparent combustion chamber after the broken of inside transparent combustion chamber.
Referring to fig. 3, the igniter 23 includes an extension 230, and the extension 230 is disposed at a joint of the igniter 23 and the upper protective sheath 29 for limiting the lateral displacement of the igniter 23 and limiting the lateral displacement.
Further, a red copper gasket 22 is arranged between the igniter 23 and the upper protective sleeve 29 for sealing between the igniter and the protective sleeve.
Referring to fig. 3, the upper protection pillar 291 and the lower protection pillar 271 are provided in equal numbers and are arranged correspondingly. The lower end of the upper half protective sleeve 29 is mechanically connected with the upper end of the transparent combustion chamber 28. And a third tetrafluoro gasket 24 is arranged between the upper-half protective sleeve 29 and the transparent combustion chamber 28 and is used for realizing the sealing between the upper-half protective sleeve 29 and the transparent combustion chamber 28.
And/or the upper end of the lower-section protective sleeve 27 is mechanically connected with the lower end of the transparent combustion chamber 28, and a fourth tetrafluoro gasket 25 is arranged between the lower-section protective sleeve 27 and the transparent combustion chamber 28 and used for sealing the lower-section protective sleeve 27 and the transparent combustion chamber 28.
The connection between the upper protective casing 29 and the lower protective casing 27 may be a mechanical fit.
Referring to fig. 3, the igniter 23 is disposed at the upper protective sleeve 29, and the igniter 23 is a spark plug igniter and is disposed at the upper protective sleeve 29. The embodiment of the utility model provides an some firearm 23 can adopt the spark plug, and the cost is lower, simple structure, and safe and reliable has simplified the ignition process.
Further, the inner wall of the upper half section of the protection column 291 is provided with a first curved surface 292, the inner wall of the lower half section of the protection column 271 is provided with a second curved surface 272, and the first curved surface 292 and the second curved surface 272 are respectively matched with the outer wall of the transparent combustion chamber 28, so that the first curved surface 292 and the transparent combustion chamber 28 are tightly attached to each other, and the second curved surface 272 and the transparent combustion chamber 28 are tightly attached to each other.
Another embodiment of the present invention provides a gas generator comprising an injector, a nozzle, and any of the above combustor assemblies. In the embodiment of the present invention, the injector 1 and the nozzle 3 are fixedly connected by a screw, and the combustor assembly 2 is fixed between the injector 1 and the nozzle 3.
Further, the upper half protective sleeve 29 is connected to the injector 1, and a second teflon gasket 21 is disposed between the injector 1 and the upper half protective sleeve 29, so as to seal the injector 1 and the combustion chamber assembly 2.
And/or the lower end of the lower-section protective sleeve 27 is connected with the spray pipe 3, and a fifth teflon gasket 26 is arranged between the lower-section protective sleeve 27 and the spray pipe 3 and used for realizing sealing between the combustion chamber assembly 2 and the spray pipe 3.
It should be noted that, in the embodiment of the present invention, the mounting positions of the second tetrafluoro gasket 21, the third tetrafluoro gasket 24, the fourth tetrafluoro gasket 25, the fifth tetrafluoro gasket 26, the red copper gasket 22, etc. are all provided with corresponding grooves according to the national standard.
The embodiment of the present invention is not intended to limit the present invention, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A transparent combustor assembly, comprising: the igniter comprises a protective sleeve (79), an igniter (23) and a transparent combustion chamber (28), wherein the protective sleeve (79) is arranged on the periphery of the transparent combustion chamber (28); the protective sleeve is arranged in a split way and comprises an upper half protective sleeve (29) and a lower half protective sleeve (27),
the upper half-section protective sleeve (29) comprises an upper half-section base body (290) and at least two upper half-section protective columns (291) extending towards the transparent combustion chamber (28) along the upper half-section base body (290), and a first groove (293) is formed between every two adjacent upper half-section protective columns (291);
the lower half-section protective sleeve (27) comprises a lower half-section base body (270) and at least two lower half-section protective columns (271) extending towards the transparent combustion chamber (28) along the lower half-section base body (270), and a second groove (273) is formed between every two adjacent lower half-section protective columns (271);
the upper half section of protection column (291) is connected with the lower half section of protection column (271), and the upper half section of protection column and the lower half section of protection column enclose the periphery of the transparent combustion chamber (28) to support the transparent combustion chamber (28);
the first groove (293) and the second groove are communicated with each other and form a viewing window (20).
2. The combustor assembly of claim 1, wherein the igniter (23) includes an extension (230), the extension (230) being disposed where the igniter (23) and the upper protective sheath (29) meet.
3. The combustor assembly of claim 1, wherein a red copper gasket (22) is disposed between the igniter (23) and the upper protective sleeve half (29).
4. The combustion chamber assembly of claim 1 wherein the upper half-section protection posts (291) and the lower half-section protection posts (271) are provided in equal numbers and in corresponding arrangement.
5. The combustion chamber assembly according to claim 1, characterized in that the igniter (23) is a spark plug igniter and is provided at the upper protective sleeve (29).
6. The combustion chamber assembly according to claim 1, characterized in that the lower end of the upper half-section protective sleeve (29) is mechanically connected with the upper end of the transparent combustion chamber (28), and a third tetrafluoro gasket (24) is arranged between the upper half-section protective sleeve (29) and the transparent combustion chamber (28); and/or
The upper end of the lower half-section protective sleeve (27) is mechanically connected with the lower end of the transparent combustion chamber (28), and a fourth tetrafluoro gasket (25) is arranged between the lower half-section protective sleeve (27) and the transparent combustion chamber (28).
7. The combustion chamber assembly according to claim 1, characterized in that the transparent combustion chamber (28) is cylindrical, the inner wall of the upper half-section protection pillar (291) is provided with a first curved surface (292), the inner wall of the lower half-section protection pillar (271) is provided with a second curved surface (272), and the first curved surface (292) and the second curved surface (272) are respectively matched with the outer wall of the transparent combustion chamber (28).
8. A gas generator, characterized in that it comprises injectors, lances and a combustor assembly as claimed in any of claims 1 to 7.
9. The gas generator according to claim 8, characterized in that the upper half-sheath (29) is connected to the injector (1) and a second tetrafluoro gasket (21) is arranged between the injector (1) and the upper half-sheath (29); and/or
The lower end of the lower half section of protective sleeve (27) is connected with the spray pipe (3), and a fifth fluorine gasket (26) is arranged between the lower half section of protective sleeve (27) and the spray pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920314316.6U CN209991485U (en) | 2019-03-13 | 2019-03-13 | Transparent combustion chamber assembly and fuel gas generator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920314316.6U CN209991485U (en) | 2019-03-13 | 2019-03-13 | Transparent combustion chamber assembly and fuel gas generator thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209991485U true CN209991485U (en) | 2020-01-24 |
Family
ID=69289399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920314316.6U Expired - Fee Related CN209991485U (en) | 2019-03-13 | 2019-03-13 | Transparent combustion chamber assembly and fuel gas generator thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209991485U (en) |
-
2019
- 2019-03-13 CN CN201920314316.6U patent/CN209991485U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200124 Termination date: 20210313 |