Cooling structure of ignition device

Abstract

The invention belongs to the field of ignition of aero-engines and gas turbines, and particularly relates to an ignition device cooling structure which comprises a box body, a shock absorber, an air inlet pipe and a box cover. The box body is of a rectangular box body structure, the box cover is connected to the upper portion of the box body, the four sets of shock absorbers are arranged at the four corners of the box body respectively, and the air inlet pipe is connected to one end of the box body and communicated with the interior of the box body. An air outlet pipe is also arranged on the box body and is arranged at one end, opposite to the air inlet pipe, of the box body; cooling gas enters from the gas inlet pipe, flows through the inner cavity of the box body and is discharged from the gas outlet pipe. Fatigue damage can be reduced through effective cooling and vibration reduction, and the service life of equipment is prolonged. And the temperature is reduced through an effective cooling system, material fatigue and performance degradation caused by high temperature are reduced, and therefore the service life of the ignition device is prolonged. Vibration energy is effectively absorbed or buffered, impact of mechanical stress on the structure is reduced, and fatigue failure of parts caused by vibration is prevented.

Description

Technical Field

[0001] This application belongs to the field of aero-engine and gas turbine ignition, and specifically relates to a cooling structure for an ignition device. Background Technology

[0002] The cooling system of the ignition device includes a liquid cooling system, an air cooling system, and / or structural cooling technology.

[0003] First, there's the liquid cooling system. Liquid cooling involves circulating a coolant, such as water or ethylene glycol, through the internal pipes of the ignition device to remove heat. This effectively lowers the temperature. However, using liquid cooling requires consideration of sealing; coolant leaks can damage the equipment. Furthermore, the system's complexity and cost can be relatively high, especially in terms of design and maintenance.

[0004] Next is the air cooling system. Air cooling is supposed to work by exposing the ignition device to the air, allowing it to dissipate heat naturally from the surrounding air. However, this cooling efficiency is not high, and it may not be able to effectively lower the temperature under high loads, leading to overheating of the ignition device.

[0005] Then there's structural cooling technology, which requires no additional systems and relies entirely on the design of the physical structure. Its advantages include reliability, lower cost, suitability for long-term use, and ease of maintenance.

[0006] Therefore, how to achieve more effective cooling of the ignition device is a problem that needs to be solved. Summary of the Invention

[0007] To address the aforementioned problems, this application provides a cooling structure for an ignition device, thereby solving the problem of low efficiency in existing cooling devices in the prior art.

[0008] The technical solution of this application is: a cooling structure for an ignition device, including a housing, a shock absorber, an air inlet pipe, and a housing cover;

[0009] The box body is a rectangular box structure, the box cover is connected to the top of the box body, there are four sets of shock absorbers and they are respectively located at the four corners of the box body, and the air intake pipe is connected to one end of the box body and communicates with the inside of the box body.

[0010] The box body is also provided with an air outlet pipe, which is located at one end of the air inlet pipe of the box body;

[0011] Cooling gas enters through the inlet pipe, flows through the internal cavity of the box, and exits through the outlet pipe.

[0012] Preferably, the box body and lid are formed from 1mm thick stainless steel plate, and the interior has a hollow structure.

[0013] Preferably, the vibration damper is a JXJ-003-A type metal-rubber vibration damper, the main material of which is 1Cr18Ni9Ti stainless steel wire, the long-term working temperature is 400℃, the working vibration frequency range is 20~2000Hz, and the impact resistance is 100g.

[0014] Preferably, the air intake pipe adopts the AS5131B16 standard interface, and the cooling gas enters the interior of the cooling box through this standard interface.

[0015] Preferably, the shock absorber is made of metal-rubber material and is connected to the engine mounting bracket through a φ7 center hole, with the fixing bolts being AS3237 series.

[0016] Preferably, it also includes a grounding wire, which is connected to the housing.

[0017] The cooling structure of the ignition device in this application has the following advantages:

[0018] Extended lifespan: Effective cooling and vibration damping can reduce fatigue damage and extend equipment service life. Reduced thermal stress: Lowering the temperature through an effective cooling system reduces material fatigue and performance degradation caused by high temperatures, thereby extending the lifespan of the ignition device.

[0019] Vibration damping effect: Effectively absorbs or buffers vibration energy, reduces the impact of mechanical stress on the structure, and prevents component fatigue failure caused by vibration.

[0020] Improved reliability: A reliable structure can operate stably under various conditions, reducing the failure rate. Reduced failure rate: Temperature is controlled through a cooling system to avoid performance degradation or damage caused by overheating; vibration-damping design reduces the risk of mechanical failures caused by vibration. Stable operation: It can maintain stable performance over a long period of time in highly dynamic operating environments (such as engine ignition).

[0021] Enhanced safety: Preventing overheating may lead to explosions or other dangerous situations, improving overall safety. Prevention of overheating and explosion risks: The cooling structure prevents the ignition device from developing dangerous conditions due to high temperatures, thereby reducing potential safety hazards. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the connection structure between this application and the ignition device;

[0023] Figure 2 This is an overall diagram of the cooling structure of this application;

[0024] Figure 3 This is a schematic diagram of the intake pipe structure of this application;

[0025] Figure 4 This is a schematic diagram of the vent pipe structure of this application;

[0026] Figure 5 This is a schematic diagram of the vibration damper structure in this application.

[0027] 1. Box body; 2. Shock absorber; 3. Air inlet pipe; 4. Box cover; 5. Air outlet pipe. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions in the embodiments of this application will be described in more detail below with reference to the accompanying drawings. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, not all, of the embodiments of this application. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application. The embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0029] The first aspect of this application provides a cooling structure for an ignition device. The ignition device is installed inside the ignition device cooling box. Cooling gas enters from one end of the cooling box through an air inlet and exits from the other end, thereby cooling and protecting the ignition device inside the cooling box.

[0030] It includes a housing 1, a shock absorber 2, an air intake pipe 3, and a housing cover 4.

[0031] The box body 1 is a rectangular box body structure. The box cover 4 is connected to the top of the box body 1. There are four sets of shock absorbers 2, which are respectively located at the four corners of the box body 1. The air intake pipe 3 is connected to one end of the box body 1 and communicates with the inside of the box body 1.

[0032] The box body 1 is also provided with an air outlet pipe 5, which is located at one end of the air inlet pipe 3 of the box body 1.

[0033] Cooling gas enters through the inlet pipe 3, flows through the internal cavity of the box 1, and is discharged through the outlet pipe 5.

[0034] By integrating cooling and vibration damping functions into a single structure, the complexity caused by the separation of cooling and vibration damping systems in traditional technologies is solved. The opposing design of the intake pipe 3 and exhaust pipe 5 creates a straight cooling airflow path, improving cooling efficiency by over 30%. The rectangular box structure 1 makes full use of space and is suitable for the confined installation environment of aero engines. Four sets of vibration dampers 2 are distributed at the four corners of the box 1, forming a stable vibration damping support system that effectively disperses vibration energy.

[0035] Preferably, the box body 1 and the box lid 4 are formed from 1mm thick stainless steel sheet, with an internal cavity structure. The 1mm thick stainless steel sheet ensures long-term stable operation in a high-temperature environment of 400℃, and the reasonable sheet thickness balances the weight and strength requirements, improving the deformation resistance by 40%.

[0036] Preferably, the vibration damper 2 is a JXJ-003-A type metal-rubber vibration damper 2, with the main material being 1Cr18Ni9Ti stainless steel wire. Its long-term operating temperature is 400℃, the operating vibration frequency range is 20~2000Hz, and its impact resistance is 100g. The 0~2000Hz frequency range covers the main vibration frequency band of aero-engines, and its 400℃ temperature resistance meets the high-temperature environment requirements of the engine compartment. This type of vibration isolator is currently used in aviation and aerospace integrated navigation systems and electronic equipment, and it uses a metal mesh elastic material.

[0037] Preferably, the intake pipe 3 adopts an AS5131B16 standard interface, through which cooling gas enters the cooling box. The standard interface ensures no leakage of cooling gas, reducing efficiency loss to less than 5%.

[0038] Preferably, the shock absorber 2 is made of metal-rubber material and is connected to the engine mounting bracket through a φ7 center hole. The mounting bolts are AS3237 series. The precise hole diameter fit ensures that the shock absorber 2 is securely installed and effectively isolates the transmission of engine vibration to the ignition device.

[0039] Preferably, it also includes a grounding wire, which is connected to the box body 1 to effectively conduct static electricity and prevent safety hazards caused by charge accumulation.

[0040] In summary, this application has the following advantages:

[0041] Extended lifespan: Effective cooling and vibration damping can reduce fatigue damage and extend equipment service life. Reduced thermal stress: Lowering the temperature through an effective cooling system reduces material fatigue and performance degradation caused by high temperatures, thereby extending the lifespan of the ignition device.

[0042] Vibration damping effect: Effectively absorbs or buffers vibration energy, reduces the impact of mechanical stress on the structure, and prevents component fatigue failure caused by vibration.

[0043] Improved reliability: A reliable structure can operate stably under various conditions, reducing the failure rate. Reduced failure rate: Temperature is controlled through a cooling system to avoid performance degradation or damage caused by overheating; vibration-damping design reduces the risk of mechanical failures caused by vibration. Stable operation: It can maintain stable performance over a long period of time in highly dynamic operating environments (such as engine ignition).

[0044] Enhanced safety: Preventing overheating may lead to explosions or other dangerous situations, improving overall safety. Prevention of overheating and explosion risks: The cooling structure prevents the ignition device from developing dangerous conditions due to high temperatures, thereby reducing potential safety hazards.

[0045] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A cooling structure for an ignition device, wherein the ignition device is disposed inside the cooling structure, characterized in that, It includes a housing (1), a shock absorber (2), an air intake pipe (3), and a housing cover (4); The box body (1) is a rectangular box body (1) structure. The box cover (4) is connected to the top of the box body (1). There are four sets of shock absorbers (2) and they are respectively located at the four corners of the box body (1). The air inlet pipe (3) is connected to one end of the box body (1) and communicates with the inside of the box body (1). The box body (1) is also provided with an air outlet pipe (5), which is located at one end of the box body (1) and the air inlet pipe (3); Cooling gas enters through the inlet pipe (3), flows through the internal cavity of the box body (1), and is discharged through the outlet pipe (5).

2. The cooling structure of the ignition device as described in claim 1, characterized in that, The box body (1) and the box cover (4) are formed by processing 1mm thick stainless steel plate, and the inside is a hollow structure.

3. The cooling structure of the ignition device as described in claim 1, characterized in that, The vibration damper (2) adopts the JXJ-003-A type metal rubber vibration damper (2), the main material is 1Cr18Ni9Ti stainless steel wire, the long-term working temperature is 400℃, the working vibration frequency range is 20~2000Hz, and the impact resistance is 100g.

4. The cooling structure of the ignition device as described in claim 1, characterized in that, The air intake pipe (3) adopts the AS5131B16 standard interface, and the cooling gas enters the cooling box through this standard interface.

5. The cooling structure of the ignition device as described in claim 1, characterized in that, The shock absorber (2) is made of metal rubber material and is connected to the engine mounting bracket through the center hole of φ7. The fixing bolts are AS3237 series.

6. The cooling structure of the ignition device as described in claim 1, characterized in that, It also includes a grounding wire, which is connected to the housing (1).

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