CN205446898U - Integrated form control air vent valve - Google Patents
Integrated form control air vent valve Download PDFInfo
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- CN205446898U CN205446898U CN201521097464.5U CN201521097464U CN205446898U CN 205446898 U CN205446898 U CN 205446898U CN 201521097464 U CN201521097464 U CN 201521097464U CN 205446898 U CN205446898 U CN 205446898U
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Abstract
The utility model relates to an integrated form control air vent valve, wherein main valve assembly (1) comprises main valve and main valve seat, directly links to each other with electromagnet assembly, through electro -magnet ejector pin action carrying on on -off control, voltage limiting valve assembly (3) comprise voltage limiting valve screw, voltage limiting valve seat and piston, and pressure variation can be experienced to the piston to open valve toper sealing strip, control by temperature change valve assembly (2) comprise control by temperature change valve casing (5), blowoff valve seat (6), blowoff valve (7), temperature sensitive bimetallic strip (8), push rod (9), guide's valve screw (10) and guide's valve seat (11), and temperature sensitive bimetallic strip (8) are established ties and are installed in control by temperature change valve casing (5) inside, fix through spring and retaining ring, when the temperature rose, temperature sensitive bimetallic strip (8) inflation can promote push rod (9) and produce the displacement. This product has realized that gas circuit switching, control by temperature change are preheated, multi -functional collection in an organic whole of voltage limiting ann congruent.
Description
Technical field
This technology is mainly used in aircraft, engine turbine starting system air register series products (this product maximum inlet pressure 1.6MPa).This product can be used for opening air register when electromotor starting, false start, blowdown firing；Limit the air pressure of nozzle ring import；Before starting, false start, blowdown firing, release partial air to preheat；Air register is closed when starting, false start, blowdown firing terminate or terminate.
Background technology
Traditional air register series products, mainly relies on electric magnet, motor drive mechanism etc. to carry out valve control.It is typically all and is sent instruction execution action by the signal of telecommunication, self cannot be carried out controlling.
Utility model content
The purpose of the present invention: realize autonomous induction variations in temperature and carry out valve control, and increase pressure-limiting function, meets aircraft, the requirement of the multi-functional unification of engine turbine starting system.
Technical scheme: product design becomes the structure that main valve, temperature control valve, pressure limiting valve are integrated, the action of main valve can be opened the air flue linking up turbine, be made turbo-starter start；Temperature control valve is not closed, and can release partial air to preheat, and when temperature rises to certain value, temperature control valve is automatically switched off to stop venting；Being closed mode under pressure limiting valve normality, when nozzle ring inlet pressure is too high, pressure limiting valve is opened and is carried out pressure release, it is ensured that the security reliability of turbo-starter work.Concrete scheme is as follows:
A kind of integrated form controls air register, and described air register includes main valve assembly 1, temperature control valve assembly 2, pressure limiting valve assembly 3, housing, net-filter assembly, electromagnet assembly；Three valve can realize connection each other by the design of enclosure interior gas circuit；Wherein main valve assembly 1 is made up of with main valve seat main valve, is joined directly together with electromagnet assembly, carries out on-off control by electric magnet push rod action；Pressure limiting valve assembly 3 is made up of pressure limiting valve screw, pressure limiting valve base and piston, and piston can experience pressure change, thus is opened by valve taper band；Temperature control valve assembly 2 is made up of temperature control valve housing 5, air bleed valve seat 6, air bleed valve 7, temperature sensitive bimetal leaf 8, push rod 9, guide's valve screw 10 and guide's valve base 11, temperature sensitive bimetal leaf 8 is installed in series inside temperature control valve housing 5, is fixed by spring and back-up ring；When the temperature increases, temperature sensitive bimetal leaf 8 expands and push rod 9 can be promoted to produce displacement.
Electromotor prestart, the air from aircraft gas circuit enters air register through screen modules from A mouth；Instruction according to air turbine starter, power supply is fed to product electric magnet, main valve is moved to the end towards main valve seat direction by electric magnet push rod, and the path B mouth to turbo-starter piston direction supply is truncated so that compressed air can enter the turbine of turbo-starter along air flue；Otherwise, when high pressure rotor forwards a certain given rotating speed to, the instruction that electric magnet is powered just cancelled by starter, and electric magnet push rod returns to origin-location, and B mouth is opened, then compressed air is interrupted towards the air flue of turbo-starter turbine, and turbo-starter quits work.
Electromotor prestart, partial air can reach the function of preheating by gas vent 4 row to outside；In starting process, along with the air pressure before turbo-starter nozzle ring increases, the pressure of D mouth increases the most therewith, simultaneously, temperature control valve assembly 2 extrusion spring under the influence of air pressure, towards air bleed valve seat 6 direction, air bleed valve 7 is moved to the end, then the air of heating turbo-starter part stops discharge.
After warm completes, when temperature control valve assembly 2 temperature rises to about 80 DEG C, temperature sensitive bimetal leaf 8 expands extrusion spring, it is possible to making guide's valve screw 10 realize fine motion, displacement is at about 0.3mm；This action makes guide's valve screw 10 and guide's valve base 11 have left a certain distance, due to the change of compression area, under air pressure effect, air bleed valve 7 moves to the end towards air bleed valve seat 6 direction, i.e. guide's valve fully opens, and air bleed valve cuts out, thus adds hot-air and also stop discharge.
In air turbine starter starting process, the air pressure set-point before nozzle ring is to keep by pressure limiting valve assembly 3；When the air pressure before nozzle ring is increased to certain value, C mouth pressure also increases, and pressure limiting valve is opened, and the compressed air entered from A mouth can be discharged from B mouth through gas circuit, supply to turbo-starter piston direction, thus reduce air pressure before turbo-starter nozzle ring.
Advantages of the present invention:
1) of home make air register series products is typically all and is sent instruction execution action by the signal of telecommunication, self cannot be carried out valve control.This product can automatically carry out valve closing motion according to the change of external temperature, it is not necessary to the signal of telecommunication controls, and can be embodied as the effect of starter preheating.
2) major part air register series products is all simple function, and this product achieves that gas circuit switching, temperature control preheating, pressure limiting are safely etc. multi-functional to be integrated in one.
3) temperature-controlled portion uses dual temperature sensitized metal chip architecture to realize temperature sense, uses the design of dual-active door, be respectively provided with guide's valve and air bleed valve before and after temperature control assembly, and while i.e. guide's valve is opened, air bleed valve also achieves cut out.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is temperature control modular construction schematic diagram.
Detailed description of the invention
Product overall construction design is as it is shown in figure 1, product is made up of main valve assembly 1, temperature control valve assembly 2, pressure limiting valve assembly 3, housing, net-filter assembly, electromagnet assembly etc..Three valve can realize connection each other by the design of enclosure interior gas circuit.
Wherein main valve assembly 1 is mainly made up of with main valve seat main valve, is joined directly together with electromagnet assembly, carries out on-off control by electric magnet push rod action；Pressure limiting valve assembly 3 is mainly made up of pressure limiting valve screw, pressure limiting valve base and piston etc., and piston can experience pressure change, thus is opened by valve taper band；Temperature control valve assembly 2 is mainly made up of temperature control valve housing 5, air bleed valve seat 6, air bleed valve 7, temperature sensitive bimetal leaf 8, push rod 9, guide's valve screw 10 and guide's valve base 11, temperature sensitive bimetal leaf 8 is installed in series inside temperature control valve housing 5, is fixed by spring and back-up ring.When the temperature increases, temperature sensitive bimetal leaf 8 expands and push rod 9 can be promoted to produce displacement.Concrete structure is as shown in Figure 2.
Electromotor prestart, the air from aircraft gas circuit enters product through screen modules from A mouth.Instruction according to air turbine starter, power supply is fed to product electric magnet, main valve is moved to the end towards main valve seat direction by electric magnet push rod, and the path B mouth to turbo-starter piston direction supply is truncated so that compressed air can enter the turbine of turbo-starter along air flue.Otherwise, when high pressure rotor forwards a certain given rotating speed to, the instruction that electric magnet is powered just cancelled by starter, and electric magnet push rod returns to origin-location, and B mouth is opened, then compressed air is interrupted towards the air flue of turbo-starter turbine, and turbo-starter quits work.
Electromotor prestart, partial air can reach the function of preheating by gas vent 4 row to outside.In starting process, along with the air pressure before turbo-starter nozzle ring increases, the pressure of D mouth increases the most therewith, simultaneously, temperature control valve assembly 2 extrusion spring under the influence of air pressure, towards air bleed valve seat 6 direction, air bleed valve 7 is moved to the end, then the air of heating turbo-starter part stops discharge.
In the case of another kind, after warm completes, when temperature control valve assembly 2 temperature rises to about 80 DEG C, temperature sensitive bimetal leaf 8 expands extrusion spring, it is possible to making guide's valve screw 10 realize fine motion, displacement is at about 0.3mm.This action makes guide's valve screw 10 and guide's valve base 11 have left a certain distance, due to the change of compression area, under air pressure effect, air bleed valve 7 moves to the end towards air bleed valve seat 6 direction, i.e. guide's valve fully opens, and air bleed valve cuts out, thus adds hot-air and also stop discharge.
In air turbine starter starting process, the air pressure set-point before nozzle ring is to keep by pressure limiting valve assembly 3.When the air pressure before nozzle ring is increased to certain value, C mouth pressure also increases, and pressure limiting valve is opened, and the compressed air entered from A mouth can be discharged from B mouth through gas circuit, supply to turbo-starter piston direction, thus reduce air pressure before turbo-starter nozzle ring.
Claims (5)
1. integrated form controls an air register, and described air register includes main valve assembly (1), temperature control valve assembly (2), pressure limiting valve assembly (3), housing, net-filter assembly, electromagnet assembly；Three valve can realize connection each other by the design of enclosure interior gas circuit；It is characterized in that: wherein main valve assembly (1) is made up of with main valve seat main valve, is joined directly together with electromagnet assembly, carry out on-off control by electric magnet push rod action；Pressure limiting valve assembly (3) is made up of pressure limiting valve screw, pressure limiting valve base and piston, and piston can experience pressure change, thus is opened by valve taper band；Temperature control valve assembly (2) is made up of temperature control valve housing (5), air bleed valve seat (6), air bleed valve (7), temperature sensitive bimetal leaf (8), push rod (9), guide's valve screw (10) and guide's valve base (11), temperature sensitive bimetal leaf (8) is installed in series internal at temperature control valve housing (5), is fixed by spring and back-up ring；When the temperature increases, temperature sensitive bimetal leaf (8) expands and push rod (9) can be promoted to produce displacement.
2. integrated form as claimed in claim 1 controls air register, it is characterised in that: electromotor prestart, the air from aircraft gas circuit enters air register through screen modules from A mouth；Instruction according to air turbine starter, power supply is fed to product electric magnet, main valve is moved to the end towards main valve seat direction by electric magnet push rod, and the path B mouth to turbo-starter piston direction supply is truncated so that compressed air can enter the turbine of turbo-starter along air flue；Otherwise, when high pressure rotor forwards a certain given rotating speed to, the instruction that electric magnet is powered just cancelled by starter, and electric magnet push rod returns to origin-location, and B mouth is opened, then compressed air is interrupted towards the air flue of turbo-starter turbine, and turbo-starter quits work.
3. integrated form as claimed in claim 1 controls air register, it is characterised in that: electromotor prestart, partial air can pass through gas vent (4) and arrange to outside, reach the function of preheating；In starting process, along with the air pressure before turbo-starter nozzle ring increases, the pressure of D mouth increases the most therewith, simultaneously, temperature control valve assembly (2) extrusion spring under the influence of air pressure, towards air bleed valve seat (6) direction, air bleed valve (7) is moved to the end, then the air of heating turbo-starter part stops discharge.
4. integrated form as claimed in claim 1 controls air register, it is characterized in that: after warm completes, when temperature control valve assembly (2) temperature rises to about 80 DEG C, temperature sensitive bimetal leaf (8) expands extrusion spring, guide's valve screw (10) can be made to realize fine motion, and displacement is at about 0.3mm；This action makes guide's valve screw (10) and guide's valve base (11) have left a certain distance, change due to compression area, under air pressure effect, air bleed valve (7) moves to the end towards air bleed valve seat (6) direction, i.e. guide's valve fully opens, air bleed valve cuts out, thus adds hot-air and also stop discharge.
5. integrated form as claimed in claim 1 controls air register, it is characterised in that: in air turbine starter starting process, the air pressure set-point before nozzle ring is to keep by pressure limiting valve assembly (3)；When the air pressure before nozzle ring is increased to certain value, C mouth pressure also increases, and pressure limiting valve is opened, and the compressed air entered from A mouth can be discharged from B mouth through gas circuit, supply to turbo-starter piston direction, thus reduce air pressure before turbo-starter nozzle ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521097464.5U CN205446898U (en) | 2015-12-24 | 2015-12-24 | Integrated form control air vent valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521097464.5U CN205446898U (en) | 2015-12-24 | 2015-12-24 | Integrated form control air vent valve |
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| Publication Number | Publication Date |
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| CN205446898U true CN205446898U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521097464.5U Active CN205446898U (en) | 2015-12-24 | 2015-12-24 | Integrated form control air vent valve |
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| CN (1) | CN205446898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005792A (en) * | 2017-11-06 | 2018-05-08 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of air turbine starter turbine stage arrangement |
-
2015
- 2015-12-24 CN CN201521097464.5U patent/CN205446898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005792A (en) * | 2017-11-06 | 2018-05-08 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of air turbine starter turbine stage arrangement |
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Address after: 130012 No. 567 Print-Rite Road, hi tech North Zone, Jilin, Changchun Patentee after: Chinese Hangfa Changchun Control Technology Co. Ltd. Address before: 130052 Jilin province Changchun Luyuan Qinglin Road No. 999 Patentee before: Changchun Aviation Hydraulic Control Co., Ltd. |