CN218862966U - Integrated cooling device of launch control servo valve - Google Patents
Integrated cooling device of launch control servo valve Download PDFInfo
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- CN218862966U CN218862966U CN202223002805.9U CN202223002805U CN218862966U CN 218862966 U CN218862966 U CN 218862966U CN 202223002805 U CN202223002805 U CN 202223002805U CN 218862966 U CN218862966 U CN 218862966U
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- servo valve
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Abstract
The application provides an integrated cooling device who sends out accuse servovalve, cooling device includes: a base including a cool air inlet; the outer cover comprises an exhaust hole, the outer cover is arranged on the base, and a cavity is formed between the outer cover and the base; the cavity is used for arranging a servo valve, and the cold air inlet is communicated with the cavity; the medium with the first temperature flows into the cavity from the cold air inlet, cools the servo valve and forms the medium with the second temperature, and the medium with the second temperature flows out from the exhaust hole to the outside; wherein the first temperature is less than the second temperature; this application is through the inlet structure of rational utilization engine self, introduces the cold air of front end and cools off the servo valve, consequently the degree of difficulty that the reducible system reformed transform to improve the servo valve security by a wide margin.
Description
Technical Field
The application belongs to the technical field of heat exchange, and particularly relates to an integrated cooling device of an engine control servo valve.
Background
The temperature of the gas discharged from the exhaust system of a gas turbine engine can typically be above 500 degrees celsius, at which temperature the exhaust control equipment must be able to function properly. In exhaust systems, the servo valve is a core component, and the electrical components of the servo valve cannot withstand such high temperatures.
Therefore, the servo valve sometimes has to be installed at a position distant from the high temperature area (1.5 m safety distance). Therefore, the forced convection cooling technology is adopted, and the cooling problem of the high-temperature servo valve is solved.
SUMMERY OF THE UTILITY MODEL
To the above technical problem, the present application provides an integrated cooling device of an emission control servo valve, the cooling device includes:
a base including a cool air inlet;
the outer cover comprises an exhaust hole, the outer cover is arranged on the base, and a cavity is formed between the outer cover and the base; the cavity is used for arranging a servo valve, and the cold air inlet is communicated with the cavity;
the medium with the first temperature flows into the cavity from the cold air inlet, cools the servo valve and forms the medium with the second temperature, and the medium with the second temperature flows out of the exhaust hole to the outside; wherein the first temperature is less than the second temperature.
Preferably, an air flow passage is arranged on the base, and the cold air inlet is communicated with the cavity through the air flow passage.
Preferably, the cool air inlets are provided at both sides of the base.
Preferably, the exhaust hole is provided at the center of the outer cover.
Preferably, the outer cover is a cylindrical flange structure, and the outer cover is connected with the base through screws and forms the cavity.
Preferably, a hydraulic oil channel is arranged in the base.
The beneficial technical effect of this application:
the problem of the adaptability under the high temperature environment of servo valve poor can effectively be solved to this application, practices thrift engine system's space. Through the air inlet structure of rational utilization engine self, introduce the cold air of front end and cool off the servo valve, consequently the degree of difficulty that can reduce the system transformation to improve the servo valve security by a wide margin.
Drawings
FIG. 1 is a cross-sectional view of an integrated cooling apparatus for a servo valve according to an embodiment of the present disclosure;
FIG. 2 is a three-dimensional external view of an integrated cooling device of a servo valve according to an embodiment of the present application;
FIG. 3 is a three-dimensional perspective view of an integrated cooling device for a servo valve with a trigger control according to an embodiment of the present application;
FIG. 4 is a schematic diagram of an engine assembled with an integrated cooling device of a servo valve controlled by a control system according to an embodiment of the present application;
wherein: 1-a housing; 2-a base; 3-a cold air inlet; 4-an air flow channel; 5-a hydraulic oil duct; 6-air exhaust hole; 7-a servo valve; 8-integrated cooling device body.
Detailed Description
This application belongs to heat transfer technical field, specifically provides an integrated form cooling device towards engine control servovalve.
In the embodiment of the application, the cooling device comprises an outer cover and a base, a cooling cavity surrounding the servo valve is formed by assembling the outer cover and the base, a cooling air inlet is formed in the base, and cold air enters the cavity and then enters a plurality of channels to enter the outer cover and is finally discharged from an outlet in the center of the outer cover, so that forced convection heat exchange cooling of the servo valve is realized.
It should be noted that the integrated cooling device for the engine control servo valve provided by the application saves the space of an engine system and improves the safety of the high-temperature servo valve.
Wherein, this application combines each other through dustcoat structure and base body structure, forms closed cooling cavity all around the servovalve. The cooling of the servo valve at high temperature is effectively realized, the problem that the servo valve must be installed far away from an engine in the past is solved, and the system space is saved.
The structure characteristics of the gas turbine engine are fully utilized, cold air at the front end of the air compressor is introduced to serve as an air source of the cooling device, the system transformation difficulty is low, and the feasibility is high.
The efficient forced convection heat exchange is realized through the optimized design of the flow characteristics of the air flow channel.
Wherein, can set up the oil circuit in the base 2, make the servo valve realize the pairing with the steering wheel.
In other embodiments of the present application, referring to fig. 1-4, the present application provides an integrated cooling device having a function of cooling a servo valve, which can save the space of an engine system and improve the safety of a high temperature servo valve.
The cooling device comprises an outer cover 1, a base 2, a cold air inlet 3, an air flow channel 4, a hydraulic oil channel 5, an exhaust hole 6 and a servo valve 7.
The servo valve 7 is enclosed in a cavity body by the outer cover 1 and the base 2 through outer cover positioning screws; cold air from the front end of an engine compressor enters the cavity from a cold air inlet 3, enters the outer cover 2 through an air flow channel 4, cools the servo valve through forced convection heat exchange, and is discharged through an exhaust hole 6 in the center of the outer cover 2.
In a feasible implementation manner, the outer cover 2 is a cylindrical flange structure, and at least four outer cover positioning screws are arranged on the flange and used for connecting the outer cover 1 and the base 2 to form a closed cavity; the base 2 is provided with at least two cold air inlets 3.
The problem of the adaptability under the high temperature environment of servo valve poor can effectively be solved to this application, practices thrift engine system's space. Through the air inlet structure of rational utilization engine self, introduce the cold air of front end and cool off the servo valve, consequently the degree of difficulty that can reduce the system transformation to improve the servo valve security by a wide margin.
Claims (6)
1. An integrated cooling device for a power actuated servo valve, the cooling device comprising:
a base including a cool air inlet;
the outer cover comprises an exhaust hole, the outer cover is arranged on the base, and a cavity is formed between the outer cover and the base; the cavity is used for arranging a servo valve, and the cold air inlet is communicated with the cavity;
the medium with the first temperature flows into the cavity from the cold air inlet, cools the servo valve and forms the medium with the second temperature, and the medium with the second temperature flows out from the exhaust hole to the outside; wherein the first temperature is less than the second temperature.
2. The integrated cooling device of a fire controlled servo valve according to claim 1, wherein an air flow passage is provided on the base, and the cool air inlet is communicated with the cavity through the air flow passage.
3. The integrated cooling device of a fire controlled servo valve according to claim 2, wherein the cool air inlets are provided at both sides of the base.
4. An integrated cooling device of a fire controlled servo valve according to claim 3, characterised in that the venting hole is arranged in the centre of the housing.
5. The integrated cooling device of a fire controlled servo valve as claimed in claim 4, wherein the housing is a cylindrical flange structure, the housing is connected to the base by screws and forms the cavity.
6. The integrated cooling device of a fire control servo valve according to claim 1, wherein a hydraulic oil gallery is provided in the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223002805.9U CN218862966U (en) | 2022-11-11 | 2022-11-11 | Integrated cooling device of launch control servo valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223002805.9U CN218862966U (en) | 2022-11-11 | 2022-11-11 | Integrated cooling device of launch control servo valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218862966U true CN218862966U (en) | 2023-04-14 |
Family
ID=87370909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223002805.9U Active CN218862966U (en) | 2022-11-11 | 2022-11-11 | Integrated cooling device of launch control servo valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218862966U (en) |
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2022
- 2022-11-11 CN CN202223002805.9U patent/CN218862966U/en active Active
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