阅读说明：本技术 一种水空跨介质发动机及具有发动机的跨介质航行器 (Water-air cross-medium engine and cross-medium aircraft with same ) 是由 黄佳 贺斟酌 凌霖雨 庙智超 左秋儒 于 2021-01-28 设计创作，主要内容包括：本发明公开了一种水空跨介质发动机和一种跨介质航行器,其中水空跨介质发动机包括：外壳体及控制系统,外壳体内设置气道,气道的一端为进气口,另一端为排气口,进气口设置可密封进气口且可打开进气口的第一开合装置,排气口设置可密封排气口且可打开排气口的第二开合装置,外壳体的内部设置气体介质推动系统,排气口的外侧设置液体介质推动系统,第一开合装置、第二开合装置、气体介质推动系统和液体介质推动系统均与控制系统信号连接。本申请所提供的水空跨介质发动机可分别在气体介质中运动和在液体介质中运动,实现了水空跨介质发动机的重复使用,提高了水空跨介质发动机在两种介质中运行的可靠性、持续性和稳定性。(The invention discloses a water-air cross-medium engine and a cross-medium aircraft, wherein the water-air cross-medium engine comprises: shell body and control system, set up the air flue in the shell body, the one end of air flue is the air inlet, the other end is the gas vent, the air inlet sets up the first device that opens and shuts that can seal the air inlet and can open the air inlet, the gas vent sets up the second device that opens and shuts that can seal the gas vent and can open the gas vent, the inside of shell body sets up gaseous medium pushing system, the outside of gas vent sets up liquid medium pushing system, first device that opens and shuts, the second device that opens and shuts, gaseous medium pushing system and liquid medium pushing system all with control system signal connection. The water-air cross-medium engine provided by the application can move in a gas medium and a liquid medium respectively, so that the water-air cross-medium engine can be reused, and the reliability, the continuity and the stability of the water-air cross-medium engine in operation in two media are improved.)

1. An air-water cross-medium engine, comprising: shell body and control system, set up the air flue in the shell body, the one end of air flue is the air inlet, and the other end is the gas vent, the air inlet sets up and can seal the air inlet just can open the first device (2) that opens and shuts of air inlet, the gas vent sets up and seals the gas vent just can open the second device (6) that opens and shuts of gas vent, the inside of shell body sets up gaseous medium pushing system, the outside of gas vent sets up liquid medium pushing system, first device (2) that opens and shuts the second device (6) that opens and shuts the gaseous medium pushing system with liquid medium pushing system all with control system signal connection.

2. The hydro-air cross-medium engine according to claim 1, characterized in that the gas medium propulsion system comprises a fan (3) and a first motor (4) coaxially connected with the fan (3), and the first motor (4) and the fan (3) are both arranged along the axis of the outer shell.

3. The hydro-air cross medium engine according to claim 2, characterized in that the liquid medium propulsion system comprises a propeller (8) and a second motor (7) coaxially connected with the propeller (8), wherein the second motor (7) and the propeller (8) are both arranged along the axis of the outer shell.

4. The air-water crossing medium engine according to claim 3, characterized in that a first center housing (9) is arranged at the inner center of the outer housing, the first motor (4) is arranged at the front end of the first center housing (9), the second motor (7) is arranged at the rear end of the first center housing (9), and a sealing structure is arranged between the first center housing (9) and the first motor (4).

5. The water-air crossing medium engine according to claim 4, characterized in that the sealing structure is a grate (5) arranged on the inner wall of the first center housing (9).

6. The hydro-pneumatic cross-media engine according to claim 4, characterized in that a second center housing (10) is arranged at the front of the gas media propulsion system, the first opening and closing device (2) is a first annular air bag arranged between the second center housing (10) and the outer housing, and the second opening and closing device (6) is a second annular air bag arranged between the first center housing (9) and the outer housing.

7. The water-air crossing medium engine according to claim 6, characterized in that a first inflator, a first pressure sensor and a first control device are arranged in the first annular air bag, the first annular air bag is provided with a first relief port, and the first relief port is provided with a first stop valve;

the second annular air bag is internally provided with a second inflator, a second pressure sensor and a second control device, the second annular air bag is provided with a second relief port, and the second relief port is provided with a second stop valve.

8. The hydro-air cross media engine of claim 7, wherein the first inflator comprises a first gas generator and a first igniter; the second inflator includes a second gas generator and a second igniter.

9. The air-water cross-medium engine according to claim 1, characterized in that a fairing (1) is arranged at the center of the front end of the air inlet.

10. A cross-medium aircraft, comprising an airframe and an engine arranged on the airframe, wherein the engine is the water-air cross-medium engine as claimed in any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of cross-medium engines, in particular to a water-air cross-medium engine. In addition, the invention also relates to a cross-medium aircraft comprising the water-air cross-medium engine.

Background

At present, airplanes, naval vessels, underwater vehicles and the like are generally applied to the fields of reconnaissance, detection, search and rescue, communication and the like. However, the current aircraft is restricted by power technology and is mostly fixed in a single medium space, and the capabilities of the aircraft in the aspects of multi-dimensional situation perception, information interaction, defense attack and the like are restricted. In order to realize cross-medium navigation, domestic and foreign scholars successively research a plurality of cross-medium aircrafts, such as an American flying fish-imitating robot prototype, a multi-mode water-air amphibious bionic prototype, a mechanical bee, a British skipjack-imitating amphibious unmanned aerial vehicle and the like. Most of the medium-crossing aircrafts can only conduct one-way medium-crossing navigation, and a few of medium-crossing aircrafts with two directions need to be recovered after tasks are executed, so that the medium-crossing aircrafts cannot be reused, and the liquid medium and the gas medium are not distinguished due to the fact that different characteristics of the liquid medium and the gas medium are not fully considered, and accordingly the working reliability, the working continuity and the working stability of the whole medium-crossing aircrafts are greatly reduced. Currently, the lack of a mature and reliable propulsion system is one of the important issues that restrict the development of vehicles across media.

In summary, how to provide a mature and reliable propulsion system is a problem to be solved by those skilled in the art.

Disclosure of Invention

In view of this, the invention aims to provide a water-air cross-medium engine, which realizes the reuse of the water-air cross-medium engine and improves the reliability, the continuity and the stability of the operation of the water-air cross-medium engine in two media.

Another object of the invention is to provide a cross-medium vehicle comprising the above water-air cross-medium engine.

In order to achieve the above purpose, the invention provides the following technical scheme:

an air-water cross-media engine comprising: shell body and control system, set up the air flue in the shell body, the one end of air flue is the air inlet, and the other end is the gas vent, the air inlet sets up and can seal the air inlet just can open the first device that opens and shuts of air inlet, the gas vent sets up and seals the gas vent just can open the second device that opens and shuts of gas vent, the inside of shell body sets up gaseous medium pushing system, the outside of gas vent sets up liquid medium pushing system, first device that opens and shuts the second device that opens and shuts gas medium pushing system with liquid medium pushing system all with control system signal connection.

Preferably, the gaseous medium propulsion system includes a fan and a first motor coaxially connected to the fan, and the first motor and the fan are both disposed along an axis of the outer housing.

Preferably, the liquid medium pushing system comprises a propeller and a second motor coaxially connected with the propeller, and the second motor and the propeller are both arranged along the axis of the outer shell.

Preferably, a first central shell is arranged at the center of the inner portion of the outer shell, the first motor is arranged at the front end of the first central shell, the second motor is arranged at the rear end of the first central shell, and a sealing structure is arranged between the first central shell and the first motor.

Preferably, the sealing structure is a comb tooth arranged on the inner wall of the first central shell.

Preferably, a second central shell is arranged in front of the gas medium pushing system, the first opening and closing device is a first annular airbag arranged between the second central shell and the outer shell, and the second opening and closing device is a second annular airbag arranged between the first central shell and the outer shell.

Preferably, a first inflator, a first pressure sensor and a first control device are arranged in the first annular air bag, the first annular air bag is provided with a first deflation port, and the first deflation port is provided with a first stop valve;

the second annular air bag is internally provided with a second inflator, a second pressure sensor and a second control device, the second annular air bag is provided with a second relief port, and the second relief port is provided with a second stop valve.

Preferably, the first inflator comprises a first gas generator and a first igniter; the second inflator includes a second gas generator and a second igniter.

Preferably, a fairing is arranged at the center of the front end of the air inlet.

A cross-medium aircraft comprises an aircraft body and an engine arranged on the aircraft body, wherein the engine is the water-air cross-medium engine.

The utility model provides a medium engine is striden to empty water that medium that adopts gas medium actuating system to realize the impulse motion in gas medium, realize the impulse motion in liquid medium through liquid medium actuating system, and through the state of opening and shutting of the first device of opening and shutting of conversion and second device of opening and shutting, with the switching of control air flue, prevent that the empty medium engine of striding of water from moving in water, liquid gets into and damages gas medium actuating system in the air flue, the used repeatedly of medium engine is striden to empty water has been realized, the reliability, the persistence and the stability of medium engine are striden to empty water in two kinds of media operation have been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a cross-sectional view of a water-air cross-medium engine provided by the present invention;

FIG. 2 is a front isometric view of a water-air cross-media engine provided by the present invention;

FIG. 3 is a rear isometric view of a water-air cross-media engine provided by the present invention;

FIG. 4 is a left side view of a water-air cross-medium engine provided by the present invention;

FIG. 5 is a right side view of a water-air cross-media engine provided by the present invention.

In FIGS. 1-5:

the system comprises a fairing 1, a first opening and closing device 2, a fan 3, a first motor 4, a comb tooth 5, a second opening and closing device 6, a second motor 7, a propeller 8, a first central shell 9 and a second central shell 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The core of the invention is to provide the water-air-span medium engine, the water-air-span medium engine realizes the repeated use of the water-air-span medium engine, and the reliability, the continuity and the stability of the operation of the water-air-span medium engine in two media are improved.

The invention further provides a cross-medium aircraft comprising the water-air cross-medium engine.

Referring to fig. 1 to 5, an air-water cross-medium engine includes: shell body and control system, set up the air flue in the shell body, the one end of air flue is the air inlet, the other end is the gas vent, the air inlet sets up the first device 2 that opens and shuts that can seal the air inlet and can open the air inlet, the gas vent sets up the second device 6 that opens and shuts that can seal the gas vent and can open the gas vent, the inside of shell body sets up gaseous medium pushing system, the outside of gas vent sets up liquid medium pushing system, first device 2 that opens and shuts, second device 6 that opens and shuts, gaseous medium pushing system and liquid medium pushing system all with control system signal connection.

It should be noted that an energy subsystem is arranged in the water-air crossing medium engine to provide energy for the gas medium propulsion system and the liquid medium propulsion system. The energy subsystem comprises a lithium battery and a solar panel, when the gas medium pushing system or the liquid medium pushing system operates, the lithium battery supplies power for the gas medium pushing system or the liquid medium pushing system, and when the aircraft provided with the water-air crossing medium engine floats out of the water surface, the solar panel can charge the lithium battery.

The water-air span medium engine overall structure provided by the application adopts a lightweight design, and the weight can be reduced as far as possible under the condition of ensuring the structural strength, so that the burden of an aircraft in operation is reduced, and the energy consumption is reduced.

The whole shell body is in a cylindrical shape, the air passage is arranged from the front end to the rear end, the front end of the air passage is an air inlet, and the rear end of the air passage is an air outlet. When the medium crossing engine is in a gas medium environment, the first opening and closing device 2 and the second opening and closing device 6 are in an opening state, so that the air passage is smooth, the control system controls the gas medium pushing system to work, and air flow is injected into the air passage from the air inlet and is sprayed out from the air outlet so as to push the medium crossing engine forwards in the gas medium.

When the underwater task is executed, the gas medium pushing system stops working, then the first opening and closing device 2 and the second opening and closing device 6 are closed, the air channel is closed, the control system controls the liquid medium pushing system to work, and the cross-medium engine is pushed to move forwards in the water, so that the cross-medium engine is switched from the gas medium to the liquid medium.

When a water outlet task is executed, the liquid medium pushing system stops working, then the first opening and closing device 2 and the second opening and closing device 6 are opened again to open the air channel, the control system controls the gas medium pushing system to work, and the medium crossing engine is pushed to move forwards in the gas medium to realize the conversion movement of the medium crossing engine from the liquid medium to the gas medium.

The utility model provides a medium engine is striden to empty water that medium that adopts gas medium actuating system to realize the impulse motion in gas medium, realize the impulse motion in liquid medium through liquid medium actuating system, and through the switching state of switching first device 2 and the second device 6 that opens and shuts, with the switching of control air flue, prevent that the empty medium engine is striden in the water operation, liquid gets into and damages gas medium actuating system in the air flue, the used repeatedly of medium engine is striden to empty water has been realized, the reliability, the continuation and the stability of medium engine is striden to empty water in two kinds of media operation have been improved.

On the basis of the above embodiment, as a further preferred, the gaseous medium propulsion system includes a fan 3 and a first motor 4 coaxially connected to the fan 3, and both the first motor 4 and the fan 3 are disposed along the axis of the outer casing.

It should be noted that, when the water outlet task is executed, the liquid medium pushing system stops working, the first opening and closing device 2 and the second opening and closing device 6 are closed, the air passage is opened, the first motor 4 starts working and drives the fan 3 to rotate, so that the water-air cross-medium engine can operate in a gas medium, and the first motor 4 and the fan 3 are arranged along the axis of the outer shell body, so that the pushing efficiency of the fan 3 can be improved, and the resistance in actual flight is reduced.

On the basis of the above embodiment, as a further preferred, the liquid medium pushing system includes a propeller 8 and a second motor 7 coaxially connected to the propeller 8, and both the second motor 7 and the propeller 8 are disposed along the axis of the outer shell.

It should be noted that, when the water inlet task is executed, the second motor 7 starts to work and drives the propeller 8 to rotate, the propeller 8 rotates to push the water-air crossing medium engine to advance in the liquid medium, and the arrangement of the second motor 7 and the propeller 8 along the axis of the outer shell can improve the propelling efficiency in the liquid medium and reduce the resistance in actual navigation.

In addition to the above embodiments, it is further preferable that a first center housing 9 is disposed at the inner center of the outer housing, the first motor 4 is disposed at the front end of the first center housing 9, the second motor 7 is disposed at the rear end of the first center housing 9, and a sealing structure is disposed between the first center housing 9 and the first motor 4.

It should be noted that the air flue is arranged between the first central casing 9 and the outer casing, the fan blades of the fan 3 are arranged in the air flue, the first motor 4 is arranged in the first central casing 9, and the sealing structure is arranged between the first casing and the first motor 4, so that when the air is opened, the air flow is smooth, the air flow loss is reduced, the thrust of the water-air crossing medium engine is improved, and the stability is improved.

In addition to the above embodiments, the sealing structure is preferably a grate 5 provided on the inner wall of the first center housing 9.

It should be noted that the grate 5 is arranged along the inner wall of the first central housing 9, the number of the grate 5 can be set according to the actual application, the inner ring of the grate 5 is arranged to fit the outer shell of the first motor 4, the structure of the grate 5 is convenient to process, the sealing effect is strong, and the air flow loss is reduced.

On the basis of the above-described embodiment, it is further preferable that the front part of the gas medium propulsion system is provided with a second center housing 10, the first opening and closing device 2 is a first annular air bag arranged between the second center housing 10 and the outer housing, and the second opening and closing device 6 is a second annular air bag arranged between the first center housing 9 and the outer housing.

It should be noted that the inner rings of the first annular airbag and the second annular airbag are both provided with a base, the first annular airbag is connected with the second center housing 10 through the base, and the second annular airbag is connected with the first center housing 9 through the base.

The first annular air bag and the second annular air bag are inflatable and deflatable, when the air passage needs to be sealed, the first annular air bag and the second annular air bag are inflated, the outer periphery of the first annular air bag is attached to the inner wall of the outer shell, the inner periphery of the first annular air bag is attached to the second central shell 10, the inner periphery of the second annular air bag is attached to the first annular shell, the air pressure in the first annular air bag and the air pressure in the second annular air bag press the air bag wall to the shell wall, the air bag wall is tightly attached to the inner wall of the air passage, the sealing performance is high, and the underwater resistance is. In addition, the first annular air bag and the second annular air bag have short inflation strokes and quick response, and can improve the speed of switching the operation of the water-air crossing medium engine in two media.

First annular gasbag forms self-locking structure with second center shell 10 and shell body, and second annular gasbag forms self-locking structure with shell body and first center shell 9, under the certain ground condition of gasbag deflection, can bear outside water pressure, has effectively guaranteed the sealed stability and the reliability of air flue.

In addition to the above embodiment, as a further preferable mode, a first inflator, a first pressure sensor, and a first control device are provided in the first annular bag, the first annular bag is provided with a first relief port, and the first relief port is provided with a first shut-off valve;

the second annular air bag is internally provided with a second inflator, a second pressure sensor and a second control device, the second annular air bag is provided with a second relief port, and the second relief port is provided with a second stop valve.

It should be noted that the first pressure sensor is used for monitoring the air pressure value in the first annular air bag, the second pressure sensor is used for monitoring the air pressure value in the second annular air bag, and the first inflator is used for supplementing air into the first annular air bag. The first control device is used for receiving the data transmitted back by the first pressure sensor, the first stop valve is closed in time when the air pressure in the first annular air bag meets the requirement, the second control device is used for receiving the data transmitted back by the second pressure sensor, and the second stop valve is closed in time when the air pressure in the second annular air bag meets the requirement.

In addition to the above embodiment, as a further preferable mode, the first inflator includes a first gas generator and a first igniter; the second inflator includes a second gas generator and a second igniter.

The first igniter is in signal connection with the first control device, the second igniter is in signal connection with the second control device, the first control device controls the first igniter to trigger the first gas generator, and the first gas generator generates gas to fill the first annular air bag; the second control device controls the second igniter to trigger the second gas generator, and the second gas generator generates gas to fill the second annular air bag.

In addition to the above embodiments, it is further preferable that the cowl 1 is provided at the center of the front end of the intake port.

It should be noted that, the center of the front end of the fairing 1 is convex, when the water-air cross-medium engine is in a gas medium, the water-air cross-medium engine is used for guiding airflow to enter the air passage, and when the water-air cross-medium engine is in a liquid medium, the underwater resistance can be reduced.

Besides the water-air cross-medium engine, the invention also provides a cross-medium aircraft, which comprises an aircraft body and an engine arranged on the aircraft body, wherein the engine is the water-air cross-medium engine disclosed by any one of the embodiments. The structure of other parts of the cross-medium aircraft refers to the prior art, and is not described in detail herein.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The water-air cross-medium engine and the cross-medium aircraft provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.