Liquid cooling quick connector and method for an onboard electronic device

Abstract

The present application belongs to the technical field of liquid cooling of airborne electronic equipment, and discloses a liquid cooling quick connector and method for airborne electronic equipment, which adopts a male connector and a female connector cooperating structure, the male connector comprises a sliding valve and a sealing ring, and the female connector comprises a sliding valve, a protective sleeve and inner and outer sealing rings. During the docking process, each sealing ring is always wrapped between the related components: the male connector sealing ring is wrapped by the male connector body, the first valve, the female connector front boss and the protective sleeve in turn, and the inner and outer sealing rings of the female connector are also wrapped by multiple structures such as the second valve, the female connector boss and the protective sleeve. This wrapping type protection design makes the sealing ring avoid direct exposure to the external environment and fluid impact under the conditions of docking and pressure, thereby effectively restricting the displacement of the sealing ring and preventing it from loosening or cutting off. The use of the connector significantly improves the pressure insertion performance and pressure bearing capacity of the connector, enhances the sealing reliability and system operation stability, and meets the severe heat dissipation requirements of high-power airborne electronic equipment.

Description

Technical Field

[0001] This invention belongs to the field of liquid cooling technology for airborne electronic equipment, and particularly relates to a liquid cooling quick connector and method for airborne electronic equipment. Background Technology

[0002] With the deep integration and large-scale application of artificial intelligence technology in the aviation airborne field, the integration and computing performance of airborne electronic equipment are continuously upgrading, leading to a significant increase in overall power consumption. Traditional heat dissipation methods can no longer meet the stable operation requirements of high-power airborne equipment. Against this backdrop, through-type liquid cooling technology, with its advantages of high heat dissipation efficiency, strong adaptability, and good operational stability, is gradually becoming the mainstream heat dissipation solution for high-end airborne electronic equipment, and its application scenarios are continuously expanding. Liquid cooling quick connectors, as a core component of the through-type liquid cooling system, are mainly used to achieve precise docking and connection of the liquid cooling path between the chassis and functional modules. Their performance directly determines the smoothness and operational stability of the overall liquid cooling path, making them a core fundamental component ensuring the reliable operation of the airborne liquid cooling system.

[0003] Liquid cooling systems operate under continuous pressure throughout, making the pressurized insertion / removal performance of liquid cooling quick couplings a core indicator of their reliability and a key factor in preventing seal damage and coupling failure. Current traditional liquid cooling quick couplings have inherent design flaws; their internal seals are directly exposed to the external environment during and after assembly, without any protective structure. Under pressurized operation, the exposed seals lack effective protection and are highly susceptible to loosening, detachment, and other structural damage due to system pressure. Practical application verification shows that traditional liquid cooling quick couplings have weak pressure resistance and cannot achieve safe and stable pressurized insertion / removal operations above 0.2 MPa. They are highly prone to leaks and connection failures due to seal damage, significantly reducing the overall reliability of through-type liquid cooling systems and making them unsuitable for the stringent heat dissipation requirements of today's high-power airborne electronic equipment.

[0004] It is evident that existing traditional liquid-cooled quick couplings have technical defects such as lack of protective sealing rings, poor pressure resistance during plugging and unplugging, and easy failure of the coupling due to damage to the sealing rings under high-pressure conditions. Summary of the Invention

[0005] This invention provides a liquid-cooled quick connector and method for airborne electronic equipment. Using this connector can effectively solve the technical defects of existing traditional liquid-cooled quick connectors, such as lack of protection of the sealing ring, poor pressure resistance during plugging and unplugging, and easy damage to the sealing ring under high pressure conditions leading to connector failure.

[0006] To achieve the above objectives, the present invention employs the following technical content: A liquid-cooled quick connector for airborne electronic equipment includes mating male and female connectors. The male connector includes a male connector body, a first valve, and a sealing ring; The first valve is slidably assembled inside the male connector body; The sealing ring is fitted into the groove at the mating end of the male connector body, and its inner and outer diameters are respectively fitted and matched with the first valve and the male connector body. The female connector includes a female connector body, a second valve, a protective sleeve, an outer sealing ring, and an inner sealing ring; The second valve and the protective sleeve are both slidably assembled inside the female connector body, and the protective sleeve is sandwiched between the inner rod of the female connector body and the second valve; The outer sealing ring is fitted into the groove at the mating end of the female connector body, and the inner sealing ring is fitted into the groove at the end of the second valve. During the docking process, the sealing ring is successively wrapped between the male connector body and the first valve, between the male connector body and the front protrusion of the female connector body, and between the male connector body and the protective sleeve. The inner sealing ring is successively wrapped between the second valve and the front protrusion of the female connector body, and between the second valve and the protective sleeve; The outer sealing ring is successively wrapped between the second valve and the female connector body, and between the female connector body and the male connector body.

[0007] Furthermore, the male connector also includes a spring; the spring abuts against the male connector body and the first valve; The female connector also includes an outer spring and an inner spring; the inner spring abuts between the protective sleeve and the female connector body; the outer spring abuts between the second valve and the female connector body.

[0008] Furthermore, the outer diameter of the spring is fitted with a clearance fit between itself and the first valve and the male connector body, and the clearance fit is greater than 0.2 mm.

[0009] Furthermore, the difference between the inner diameter of the inner spring and the inner rod diameter of the female connector body is greater than 0.2 mm; the difference between the inner wall diameter of the female connector body and the outer diameter of the outer spring is greater than 0.2 mm.

[0010] Furthermore, the second valve is hollow in shape, with the inner diameter of the rear end being larger than that of the front end, and the front and rear ends of the second valve are connected by an oblique angle.

[0011] Furthermore, the outer diameter of the front end of the protective sleeve is equal to the inner diameter of the front end of the second valve, the outer diameter of the rear end of the protective sleeve is equal to the inner diameter of the rear end of the second valve, and the front and rear ends of the protective sleeve are connected by an oblique angle, the angle of which is equal to the angle of the second valve.

[0012] Furthermore, the angle between the front and rear ends of the second valve is 45° to 60°.

[0013] Furthermore, the difference between the length of the front end of the protective sleeve and the total coverage width of the outer sealing ring, the inner sealing ring, and the sealing ring is greater than 0.5 mm; wherein, the total coverage width is the horizontal distance between the leftmost and rightmost ends of the outer sealing ring, the inner sealing ring, and the sealing ring in the vertical direction.

[0014] Furthermore, after docking, the distance between the front end of the protective sleeve and the front boss of the female connector body is greater than 2mm.

[0015] A method for mating a liquid-cooled quick connector for airborne electronic equipment, based on the aforementioned liquid-cooled quick connector for airborne electronic equipment, includes: Connect the male and female connectors; Before docking, the sealing ring is wrapped between the male connector body and the first valve; during docking, the sealing ring is wrapped between the front protrusions of the male connector body and the female connector body, and between the male connector body and the protective sleeve. Before docking, the inner sealing ring is wrapped between the second valve and the front boss of the female connector body; during docking, the inner sealing ring is wrapped between the second valve and the protective sleeve. Before docking, the outer sealing ring is wrapped between the second valve and the female connector body; during docking, the outer sealing ring is wrapped between the female connector body and the male connector body.

[0016] Compared with the prior art, the present invention has the following beneficial effects: This invention provides a liquid-cooled quick connector for airborne electronic equipment, employing a male and female connector mating structure. The male connector includes a sliding valve and a sealing ring, while the female connector includes a sliding valve, a protective sleeve, and inner and outer sealing rings. During the docking process, each sealing ring is consistently enclosed between the relevant components: the male connector's sealing ring is successively enclosed by the male connector body and the first valve, the female connector's front boss, and the protective sleeve; similarly, the female connector's inner and outer sealing rings are enclosed by a second valve, the female connector's boss, and the protective sleeve, among other multiple structures. This enclosed protective design prevents the sealing rings from being directly exposed to the external environment and fluid impact during docking and pressurized conditions, effectively constraining sealing ring displacement and preventing loosening or disconnection. Using this connector significantly improves its pressurized insertion / removal performance and pressure resistance, enhances sealing reliability and system operational stability, and meets the stringent heat dissipation requirements of high-power airborne electronic equipment. This invention also provides a docking method for liquid-cooled quick connectors for airborne electronic equipment. Based on the aforementioned liquid-cooled quick connectors for airborne electronic equipment, this method, through operation sequence control, ensures that the sealing rings of the male connector and the inner and outer sealing rings of the female connector are pre- or in real-time constrained between the mating surfaces composed of the connector body, valve, boss, and protective sleeve at each stage of docking. This isolates the sealing rings from direct contact with the external environment or flow channel throughout the entire operation. This method achieves full-process protection of the sealing rings from a dynamic operation perspective, effectively avoiding the risk of traditional connectors being directly subjected to shearing and extrusion under assembly or pressure due to exposed sealing rings. This method significantly improves the sealing reliability and structural durability of the connector during pressurized insertion and removal operations, and ensures the stability and service life of the connector under high-pressure conditions from an operational process perspective, strongly supporting the operation of high-reliability liquid cooling systems. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the male connector structure of a liquid-cooled quick connector for airborne electronic equipment provided in an embodiment of the present invention; Figure 2 This is a schematic diagram of the female connector structure of a liquid-cooled quick connector for airborne electronic equipment provided in an embodiment of the present invention; Figure 3 This is a schematic diagram of the first dimension of the female connector provided in an embodiment of the present invention; Figure 4 This is a schematic diagram of the second dimension of the female connector provided in an embodiment of the present invention; Figure 5 This is a state diagram before docking provided in an embodiment of the present invention; Figure 6 This is a state diagram of the docking process provided in an embodiment of the present invention; Figure 7 This is a state diagram after docking provided in an embodiment of the present invention.

[0018] Figure label: 1. Spring; 2. Male connector body; 3. First valve; 4. Sealing ring; 5. Outer sealing ring; 6. Inner sealing ring; 7. Second valve; 8. Protective sleeve; 9. Female connector body; 10. Outer spring; 11. Inner spring. Detailed Implementation

[0019] To make the technical problems solved by the present invention, the technical solutions, and the beneficial effects clearer, the following specific embodiments provide a further detailed description of the present invention. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of the invention.

[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0022] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0023] As mentioned in the background technology, the sealing ring of traditional liquid-cooled quick connectors is exposed to the surrounding environment during or after mating without any protective measures. As a result, it is prone to loosening or cutting off under high pressure and cannot withstand the pressure of mating and unmating above 0.2MPa. To address the aforementioned issues, this embodiment provides a liquid-cooled quick connector for airborne electronic equipment. It adds a protective sleeve to the traditional liquid-cooled quick connector. This protective sleeve can confine the sealing ring between the valve and the protective sleeve during the insertion / removal process and after connection, preventing damage even under significant impact, thereby improving the ability to insert / remove under pressure. like Figure 1 and Figure 2As shown, this embodiment provides a liquid-cooled quick connector for airborne electronic equipment, which is composed of male and female connectors that mate with each other. It can perform plug-in and unplugging operations under pressure of 1MPa, which greatly improves the overall reliability of airborne through-type liquid cooling technology and is suitable for the harsh liquid cooling conditions of airborne electronic equipment. The male connector specifically includes a male connector body 2, a first valve 3, and a sealing ring 4. The first valve 3 is slidably assembled in the internal cavity of the male connector body 2, and the sealing ring 4 is fixedly assembled in the groove opened at the mating end of the male connector body 2. The inner and outer diameters of the sealing ring 4 are tightly fitted with the outer wall of the first valve 3 and the inner wall of the groove of the male connector body 2, respectively. Both the male connector body 2 and the first valve 3 are made of 316 stainless steel, which has excellent corrosion resistance and fatigue resistance, and is suitable for complex airborne environments. The male connector body 2 is formed by screwing together two sections, which is convenient for assembly and disassembly. The first valve 3 and the male connector body 2 adopt a high-precision sliding fit. The sealing ring 4 is made of rubber material that conforms to GJB 11473 "Specification for Silicone Fluorosilicone Rubber Sealing Material", and its dimensions conform to GBT3452.1 standard. After assembly, the compression is stably controlled at about 15%, ensuring basic sealing performance. This structural layout enables integrated assembly of male connector components, with high precision in the fit between components. It avoids problems such as seal ring misalignment and loosening from the structural foundation, providing a basic guarantee for joint sealing protection and stable connection.

[0024] In this embodiment, the male connector is also equipped with a spring 1, which is abutted between the male connector body 2 and the first valve 3. One end of the spring 1 abuts against the bottom of the first valve 3, and the other end abuts against the inner wall of the male connector body 2. The spring 1 is provided with an initial preload of not less than 15N, which can ensure the positioning stability of the first valve 3 in the non-connected state. At the same time, the outer diameter of the spring 1 and the inner wall of the first valve 3 and the inner wall of the male connector body 2 are all clearance fit, and the fit clearance is strictly greater than 0.2mm. The spring 1 is made of 304 stainless steel, which has excellent elastic stability and rust resistance. This clearance fit design can completely avoid the friction, jamming, and wear problems between the spring 1 and the surrounding structure during the extension and retraction process. With the preset initial preload, it can ensure that the first valve 3 slides flexibly and accurately resets in the entire process of non-connection, connection, and separation, and continuously maintain the integrity of the internal sealing structure of the male connector.

[0025] As another preferred embodiment, the female connector specifically includes a female connector body 9, a second valve 7, a protective sleeve 8, an outer sealing ring 5, and an inner sealing ring 6. The second valve 7 and the protective sleeve 8 are both slidably assembled in the internal cavity of the female connector body 9, and the protective sleeve 8 is sandwiched between the inner rod of the female connector body 9 and the second valve 7, forming a three-layer nested sliding structure. The outer sealing ring 5 is assembled and fixed in the groove at the mating end of the female connector body 9, and the inner sealing ring 6 is assembled and fixed in the groove at the end of the second valve 7. The female connector body 9, the second valve 7, and the protective sleeve 8 are all made of 316 stainless steel, the inner spring 11 and the outer spring 10 are made of 304 stainless steel, and the outer sealing ring 5 and the inner sealing ring 6 are also made of rubber material that conforms to the GJB 11473 specification and the GBT3452.1 standard. They are resistant to high and low temperatures, resistant to media corrosion, and suitable for airborne liquid cooling media conditions. The female connector body 9 is also composed of two sections screwed together, forming a U-shaped structure. The second valve 7 and the protective sleeve 8 are nested and clamped within the cavity. The inner side of the second valve 7 slides with the inner side of the female connector body 9, and the outer side slides with the outer side of the protective sleeve 8. The protective sleeve 8 also slides with the inner rod of the female connector body 9 and the second valve 7. The female connector body 9 has a non-through structure running from right to left in the middle, and a circular non-through structure running from left to right in the middle section. A protruding structure is provided in the middle of the left side, with a diameter A of 5mm. This nested sliding assembly structure allows for precise positioning of the moving parts of the female connector. Combined with standardized seals and a high-strength stainless steel structure, it significantly improves the overall structural strength and environmental adaptability of the connector. Simultaneously, the non-through structure design effectively avoids the risk of media leakage.

[0026] In this embodiment, the female connector is also equipped with an outer spring 10 and an inner spring 11. The inner spring 11 is abutted and assembled between the protective sleeve 8 and the female connector body 9, with its left side abutting against the root of the protective sleeve 8 and its right side abutting against the inner wall of the female connector body 9. The outer spring 10 is abutted and assembled between the second valve 7 and the female connector body 9, with its left side abutting against the root of the second valve 7 and its right side abutting against the inner wall of the female connector body 9. Both the outer spring 10 and the inner spring 11 are provided with an initial preload of not less than 15N. At the same time, the difference between the inner diameter of the inner spring 11 and the inner rod diameter of the female connector body 9 is greater than 0.2mm, and the difference between the inner wall diameter of the female connector body 9 and the outer diameter of the outer spring 10 is greater than 0.2mm. The dual-spring independent abutment structure can provide independent reset driving force for the protective sleeve 8 and the second valve 7 respectively, without interfering with each other. The preset pre-pressure can ensure that the components are tightly fitted and positioned in the non-connected state, while the precise gap size design can eliminate friction interference when the springs extend and retract, ensuring the smoothness and synchronization of the sliding action of the second valve 7 and the protective sleeve 8, and improving the stability of the joint docking and separation action.

[0027] Specifically, such as Figure 3As shown, the second valve 7 has an overall hollow structure and an inverted convex shape facing left. The inner diameter of the rear end portion is larger than that of the front end portion. The inner diameter of the front end portion matches the diameter A of the left protruding part of the female connector body 9 with a sliding tolerance reserved. The inner diameter dimension B of the rear end portion is 6 mm. Bevel transition is adopted between the front end portion and the rear end portion of the second valve 7, and the bevel angle C is set to 45°~60°. The hollow convex structure can optimize the flow path of the liquid-cooled medium, reduce the flow resistance of the medium, and meet the high flow demand of the airborne liquid cooling system; the bevel transition angle of 45°~60° is the optimal matching angle, which can ensure uniform stress on the bevel during the docking process, avoid structural wear and jamming caused by stress concentration, and at the same time provide an accurate structural basis for the linkage cooperation with the protective sleeve 8.

[0028] As another preferred solution of this embodiment, the protective sleeve 8 also adopts an inverted convex structure facing left. The outer diameter of the front end portion of the protective sleeve 8 is equal to the inner diameter of the front end portion of the second valve 7 and matches the sliding tolerance, and the outer diameter of the rear end portion is equal to the inner diameter of the rear end portion of the second valve 7 and matches the sliding tolerance. Bevel transition is also adopted between the front end portion and the rear end portion of the protective sleeve 8, and the bevel angle is completely consistent with that of the second valve 7. The completely matched external dimensions and bevel structure of the protective sleeve 8 and the second valve 7 can realize accurate fitting linkage between the two. During the insertion process of the connector, after the bevel of the second valve 7 contacts and fits with the bevel of the protective sleeve 8, it can stably drive the protective sleeve 8 to move backward synchronously, ensuring the coherence of the docking action. Meanwhile, the completely fitted structure can eliminate the matching clearance and provide a comprehensive surrounding protection space for the sealing ring.

[0029] It can be explained that, for example Figure 4 As shown, the difference between the length of the front end portion of the protective sleeve 8 and the total covering width of the outer sealing ring 5, the inner sealing ring 6 and the sealing ring 4 is greater than 0.5 mm, wherein the total covering width of the three is defined as the horizontal distance between the leftmost end and the rightmost end of the outer sealing ring 5, the inner sealing ring 6 and the sealing ring 4 in the vertical direction. In this embodiment, the dimension D between the inner sealing ring 6 and the corresponding wrapping structure is 4 mm, and the front end dimension E of the protective sleeve 8 is at least 0.5 mm larger than the dimension D. This dimension ratio can ensure that the protective sleeve 8 always completely covers all sealing elements during the whole insertion process of the connector, avoid damage to the sealing elements caused by exposure, extrusion and scraping, ensure the integrity of the sealing elements from the aspect of structural dimension, and eliminate the problems of sealing failure and medium leakage during the docking process.

[0030] In this embodiment, after the male connector and the female connector are completely docked, the distance between the front end portion of the protective sleeve 8 and the front boss of the female connector body 9 is greater than 2 mm. The reserved spacing can effectively avoid rigid collision and extrusion between the protective sleeve 8 and the boss of the female connector body 9 under the working conditions of high pressure and vibration of the connector, buffer the structural stress caused by the vibration of airborne equipment, protect each moving structure and sealing elements, and improve the long-term working stability and service life of the connector.

[0031] Specifically, during the entire docking process, each sealing ring of this connector has a graded wrapping protection structure. Sealing ring 4 is successively wrapped between the male connector body 2 and the first valve 3, between the male connector body 2 and the front boss of the female connector body 9, and between the male connector body 2 and the protective sleeve 8. The inner sealing ring 6 is successively wrapped between the second valve 7 and the front boss of the female connector body 9, and between the second valve 7 and the protective sleeve 8. The outer sealing ring 5 is successively wrapped between the second valve 7 and the female connector body 9, and between the female connector body 9 and the male connector body 2. Furthermore, the outer sealing ring 5 is completely wrapped in both docking and non-docking states, eliminating the risk of exposure. The inner sealing ring 6 is always tightly clamped between the two structures throughout the entire docking process. This graded wrapping and uninterrupted clamping sealing structure completely prevents seal displacement, detachment, and damage during pressurized insertion and removal, effectively withstanding 1MPa pressurized insertion and removal conditions, and significantly improving the sealing reliability and operational safety of the airborne liquid-cooled connector.

[0032] For example, this embodiment also provides a docking method for liquid-cooled quick connectors for airborne electronic equipment, based on the above-described liquid-cooled quick connector structure. The specific operation process involves precisely aligning the male and female connectors and then axially docking them. Figure 5 As shown, before docking, the sealing ring 4 is stably wrapped between the male connector body 2 and the first valve 3 under the preload of the spring 1, achieving end sealing of the male connector. The inner sealing ring 6 is wrapped between the second valve 7 and the front boss of the female connector body 9, and the outer sealing ring 5 is wrapped between the second valve 7 and the female connector body 9, achieving initial sealing of the female connector. Figure 6 and 7 As shown, during and after the docking process, the sealing ring 4 sequentially switches its wrapping structure according to the docking stroke, first being wrapped and protected by the front protrusions of the male connector body 2 and the female connector body 9, and then by the male connector body 2 and the protective sleeve 8. The inner sealing ring 6 slides with the second valve 7, switching from the initial wrapped state to the wrapped state between the second valve 7 and the protective sleeve 8. The outer sealing ring 5 then switches to the wrapped and sealed state between the female connector body 9 and the male connector body 2. This docking method relies on the structural linkage characteristics to achieve automatic switching of sealing protection, eliminating the need for manual assistance in sealing positioning. The docking process is simple and efficient, and the seal is uninterrupted throughout the entire process. It can stably adapt to the frequent pressurized insertion and removal scenarios of airborne equipment, ensuring the continuous and reliable operation of the liquid cooling system. In summary, compared with existing connector structures, the liquid-cooled quick connector for airborne electronic equipment provided by this invention has the following advantages: The quick connector provided by this invention has been tested and found to have no leakage after 100 consecutive insertions and removals under a test pressure of 1.0 MPa. After the test, it was held at 2.0 MPa for 30 minutes without leakage. It can be seen that the use of this connector can effectively improve the pressure of liquid-cooled quick connectors during insertion and removal, prevent damage to the sealing ring during use, and thus improve its reliability.

[0033] The above embodiments are merely one of the implementation methods for achieving the technical solution of the present invention. The scope of protection claimed by the present invention is not limited to this embodiment, but also includes any variations, substitutions and other implementation methods that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention.

Claims

1. A liquid-cooled quick connector for airborne electronic equipment, characterized in that, This includes male and female connectors that mate and connect. The male connector includes a male connector body (2), a first valve (3), and a sealing ring (4); The first valve (3) is slidably assembled inside the male connector body (2); The sealing ring (4) is fitted into the groove at the mating end of the male connector body (2), and its inner and outer diameters are respectively fitted and matched with the first valve (3) and the male connector body (2); The female connector includes a female connector body (9), a second valve (7), a protective sleeve (8), an outer sealing ring (5), and an inner sealing ring (6). The second valve (7) and the protective sleeve (8) are both slidably assembled inside the female connector body (9), and the protective sleeve (8) is sandwiched between the inner rod of the female connector body (9) and the second valve (7); The outer sealing ring (5) is fitted into the groove at the mating end of the female connector body (9), and the inner sealing ring (6) is fitted into the groove at the end of the second valve (7). During the docking process, the sealing ring (4) is successively wrapped between the male connector body (2) and the first valve (3), between the male connector body (2) and the front boss of the female connector body (9), and between the male connector body (2) and the protective sleeve (8). The inner sealing ring (6) is successively wrapped between the second valve (7) and the front boss of the female connector body (9), and between the second valve (7) and the protective sleeve (8); The outer sealing ring (5) is successively wrapped between the second valve (7) and the female connector body (9), and between the female connector body (9) and the male connector body (2).

2. The liquid-cooled quick connector for airborne electronic equipment according to claim 1, characterized in that, The male connector also includes a spring (1); the spring (1) abuts against the male connector body (2) and the first valve (3); The female connector also includes an outer spring (10) and an inner spring (11); the inner spring (11) abuts between the protective sleeve (8) and the female connector body (9); the outer spring (10) abuts between the second valve (7) and the female connector body (9).

3. A liquid-cooled quick connector for airborne electronic equipment according to claim 2, characterized in that, The outer diameter of the spring (1) is fitted with the first valve (3) and the male connector body (2) with a clearance fit, and the fit clearance is greater than 0.2mm.

4. A liquid-cooled quick connector for airborne electronic equipment according to claim 2, characterized in that, The difference between the inner diameter of the inner spring (11) and the inner rod diameter of the female connector body (9) is greater than 0.2 mm; the difference between the inner wall diameter of the female connector body (9) and the outer diameter of the outer spring (10) is greater than 0.2 mm.

5. A liquid-cooled quick connector for airborne electronic equipment according to claim 1, characterized in that, The second valve (7) is hollow in shape, with the inner diameter of the rear end being larger than that of the front end, and the front and rear ends of the second valve (7) are connected by an oblique angle.

6. A liquid-cooled quick connector for airborne electronic equipment according to claim 5, characterized in that, The outer diameter of the front end of the protective sleeve (8) is equal to the inner diameter of the front end of the second valve (7), the outer diameter of the rear end of the protective sleeve (8) is equal to the inner diameter of the rear end of the second valve (7), and the front end and the rear end of the protective sleeve (8) are connected by a beveled transition, the bevel angle being equal to the bevel angle of the second valve (7).

7. A liquid-cooled quick connector for airborne electronic equipment according to claim 5, characterized in that, The angle between the front and rear ends of the second valve (7) is 45°~60°.

8. A liquid-cooled quick connector for airborne electronic equipment according to claim 1, characterized in that, The difference between the length of the front end of the protective sleeve (8) and the total coverage width of the outer sealing ring (5), the inner sealing ring (6), and the sealing ring (4) is greater than 0.5 mm; wherein, the total coverage width is the horizontal distance between the leftmost end and the rightmost end of the outer sealing ring (5), the inner sealing ring (6), and the sealing ring (4) in the vertical direction.

9. A liquid-cooled quick connector for airborne electronic equipment according to claim 1, characterized in that, After docking, the distance between the front end of the protective sleeve (8) and the front boss of the female connector body (9) is greater than 2mm.

10. A method for mating a liquid-cooled quick connector for airborne electronic equipment, based on the liquid-cooled quick connector for airborne electronic equipment as described in any one of claims 1-9, characterized in that, include: Connect the male and female connectors; Before docking, the sealing ring (4) is wrapped between the male connector body (2) and the first valve (3); during docking, the sealing ring (4) is wrapped between the male connector body (2) and the front boss of the female connector body (9), and between the male connector body (2) and the protective sleeve (8). Before docking, the inner sealing ring (6) is wrapped between the second valve (7) and the front boss of the female connector body (9); during docking, the inner sealing ring (6) is wrapped between the second valve (7) and the protective sleeve (8); Before docking, the outer sealing ring (5) is wrapped between the second valve (7) and the female connector body (9); during docking, the outer sealing ring (5) is wrapped between the female connector body (9) and the male connector body (2).

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