CN221893324U - A floating device for falling into water and a flying device - Google Patents

Abstract

The utility model relates to the technical field of flying equipment, and provides a floating device for falling into water and flying equipment, comprising: a seat body, a fixing component arranged on the seat body and used for detachably fixing on an aircraft, an air bag arranged on the seat body, and a gas source arranged on the seat body and capable of injecting gas into the air bag.

Description

A floating device for falling into water and a flying device

Technical Field

The utility model belongs to the technical field of flying equipment, and more specifically relates to a floating device for falling into water and flying equipment.

Background Art

Aircraft (such as quadcopters) are often needed in modern production and life. Aircraft often need to fly above the water during work. If an aircraft malfunctions and falls into the water, it is easy to cause the aircraft to sink, making it very difficult to salvage.

Utility Model Content

The utility model aims to provide a floating device for falling into water, so as to solve the technical problem in the prior art that an aircraft is easy to sink when falling into water.

To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a floating device for falling into water, including: a seat body, a fixing component arranged on the seat body and used for detachably fixing on the aircraft, an airbag arranged on the seat body, and a gas source arranged on the seat body and capable of injecting gas into the airbag.

Furthermore, the fixing component includes: Velcro.

Furthermore, the Velcro is in the shape of a long strip.

Furthermore, one end of the Velcro has a ring buckle, and the other end of the Velcro can pass through the ring hole on the ring buckle.

Furthermore, there are multiple Velcro strips.

Furthermore, the fixing assembly includes: a cloth strip for tying on the aircraft.

Furthermore, the fixing assembly includes: a first fixing member for fixing on the aircraft landing gear.

Furthermore, the fixing assembly includes: a second fixing member for fixing on the aircraft arm.

Furthermore, the fixing assembly includes: a third fixing member for fixing on the belly of the machine.

Furthermore, the fixing assembly includes: a fourth fixing member for fixing on an inner wall of an internal cavity of the aircraft.

Furthermore, the fixing assembly includes: screws for fixing on the aircraft.

Furthermore, the airbag includes: a bladder body made of TPU material and an outer layer of textile fabric wrapped and covered on the outer surface of the bladder body.

Furthermore, the outer layer of the textile fabric is an integral piece made of any one color material among orange, yellow and red.

Furthermore, the airbag is in a ring or rod shape after expansion.

Furthermore, it also includes: a shell having a concave cavity; the shell is arranged outside the airbag through the concave cavity cover; the airbag is folded and stored in the concave cavity;

The shell is fixed on the seat, and the airbag can break the shell when it expands; or the shell is detachably fixed on the seat, and the seat and the shell can be opened and separated when the airbag expands.

Furthermore, the surface of the shell is hollowed out;

And/or the housing is an integral piece made of flexible material.

Furthermore, the shell is in a hollow column shape.

Furthermore, the shell is an integral piece made of any one color material among orange, yellow and red.

Furthermore, the gas source includes: a first gas cylinder connected to the airbag and a control mechanism for opening the first gas cylinder.

Furthermore, the control mechanism includes: a base arranged on the seat body and having a first channel, a needle body arranged in the first channel, an air chamber connected to one end of the first channel, a gas production unit arranged in the air chamber, and a first sealing member sealing the mouth of the first gas cylinder and located on the moving path of the needle body; the air bag is connected to the first channel, or the air bag is connected to the mouth of the first gas cylinder after the first sealing member is punctured; the gas generated by the gas production unit can push the needle body to move along the first channel and puncture the first seal.

Furthermore, it also includes: a piston and a sliding channel arranged on the base; the air chamber is connected with the first channel through the sliding channel; the piston is slidably arranged in the sliding channel; and the needle body is connected to the piston.

Furthermore, the piston and the needle body are an integrally formed part;

And/or the sliding channel and the first channel extend along a pre-straight line respectively.

Furthermore, an air outlet is provided on the side wall of the first channel, and the air bag is connected to the air outlet.

Further, the first gas cylinder is located in the airbag;

Or the first gas cylinder is located outside the airbag.

Furthermore, it also includes: a capacitor and a first controller for controlling the gas production unit; the electrodes of the capacitor are exposed to the external space; the capacitor is arranged on the seat; the first controller is electrically connected to the capacitor and the gas production unit respectively; when the capacitance value of the capacitor is reduced to a predetermined capacitance value, the first controller starts the gas production unit.

Furthermore, the seat body is provided with a second hole communicating with the outside; the electrode of the capacitor is located in the second hole.

Furthermore, the capacitor has a plurality of electrodes; the number of the second channels is plural; and the plurality of electrodes corresponds one-to-one to the plurality of the second channels.

Furthermore, it also includes: an indicator light arranged on the seat; the indicator light is electrically connected to the first controller.

Furthermore, the entrance of the second channel is covered with a second film; when the water pressure outside the second channel is greater than a predetermined water pressure, the second film ruptures.

Furthermore, the entrance of the second channel is covered with a soluble second film.

Furthermore, the second channel is bent to form a plurality of corners.

Furthermore, the second channel is bent in a maze shape.

Furthermore, the capacitor electrode is a predetermined distance away from the entrance of the second hole to form an air wall.

Furthermore, the inner wall of the second channel is made of a hydrophobic material, or a hydrophobic structure is provided in the second channel.

Furthermore, it also includes: a resistor and a second controller for controlling the gas production unit; the electrode of the resistor is exposed to the external space; the resistor is arranged on the seat; the second controller is electrically connected to the resistor and the gas production unit respectively; when the resistance value of the resistor is reduced to a predetermined resistance value, the second controller starts the gas production unit.

Furthermore, the control mechanism includes: a solenoid valve for controlling the first gas cylinder and a third controller for controlling the solenoid valve; the solenoid valve is electrically connected to the third controller.

Furthermore, the gas source includes: a second gas cylinder and a second sealing member; the mouth of the second gas cylinder is connected to the air bag, and the second sealing member seals the mouth of the second gas cylinder; the seat body has a third channel for external water to enter and contact with the second sealing member; the second sealing member is an integral part made of any material that can be dissolved, broken, or softened when in contact with water.

Furthermore, the gas source includes: a accommodating chamber connected to the airbag and a chemical agent that can generate gas when in contact with water; the accommodating chamber is arranged on the seat body, and the chemical agent is located in the accommodating chamber; the seat body has a fourth channel for external water to enter and contact with the chemical agent.

The utility model also provides a flying device, comprising: an aircraft and the above-mentioned floating device for falling into water; the seat body is fixed on the aircraft through the above-mentioned fixing assembly.

The beneficial effects of the floating device for falling into water provided by the utility model are as follows: compared with the prior art, the floating device for falling into water provided by the utility model has a fixing assembly arranged on the seat body, the fixing assembly can be fixed on the aircraft, and the fixing assembly can also be removed from the aircraft; an airbag is arranged on the seat body, and an air source is arranged on the seat body; after the seat body is fixed on the aircraft by the fixing assembly: the seat body, the airbag on the seat body, and the air source on the seat body can all be fixed on the aircraft; the air source can inject gas into the airbag to expand the airbag; when the airbag falls into the water with the seat body, the inflated airbag can increase the buoyancy of the aircraft to prevent the aircraft from sinking into the water.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

FIG1 is a perspective schematic diagram of a floating device for falling into water provided by an embodiment of the utility model;

FIG2 is a perspective schematic diagram of a floating device for falling into water (with the housing and fixing components hidden) provided by an embodiment of the utility model;

FIG3 is an enlarged schematic diagram of point A in FIG2 ;

FIG4 is a three-dimensional schematic diagram of a floating device for falling into water (with the housing, the fixing assembly, and the seat body hidden) provided by an embodiment of the utility model;

FIG5 is a perspective schematic diagram 1 of the floating device for falling into water (the housing, the fixing assembly, the seat body, and the airbag are hidden) provided by an embodiment of the utility model;

FIG6 is a second three-dimensional schematic diagram of the floating device for falling into water (the housing, the fixing assembly, the seat body, and the airbag are hidden) provided by the embodiment of the utility model;

FIG7 is a front view of the floating device for falling into water provided by an embodiment of the utility model (the housing, the fixing assembly, the seat body, and the airbag are hidden);

Fig. 8 is a schematic cross-sectional view taken along line B-B in Fig. 7;

FIG. 9 is a schematic diagram of the hidden gas cylinder in FIG. 8 .

Among them, the reference numerals in the figure are:

1-base; 11-second channel; 12-indicator light; 2-fixing assembly; 21-Velcro; 211-ring buckle; 3-air bag; 4-first gas cylinder; 5-first sealing member; 61-base; 611-first channel; 6111-air outlet; 62-needle body; 63-gas chamber; 64-gas production unit; 65-electrode; 66-piston; 7-housing.

DETAILED DESCRIPTION

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

It should be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" or "connected to" another element, it may be directly connected to the other element or indirectly connected to the other element.

It should be noted that, in the description of the embodiments of the present application, unless otherwise specified, "/" means or, for example, A/B can mean A or B; "and/or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships, for example, A and/or B can mean: A exists alone, A and B exist at the same time, and B exists alone. Among them, A and B can be singular or plural respectively.

It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

Please refer to Figures 1 to 9 together to explain the floating device for falling into water provided by the utility model. The floating device for falling into water includes: a seat body 1, a fixing component 2 disposed on the seat body 1 and used for detachably fixing on the aircraft, an air bag 3 disposed on the seat body 1, and an air source disposed on the seat body 1 and capable of injecting air into the air bag 3.

In this way, the seat body 1 is provided with a fixing component 2, which can be fixed on the aircraft and can also be removed from the aircraft; the seat body 1 is provided with an airbag 3, and the seat body 1 is provided with an air source; after the seat body 1 is fixed on the aircraft by the fixing component 2: the seat body 1, the airbag 3 on the seat body 1, and the air source on the seat body 1 can all be fixed on the aircraft; the air source can inject gas into the airbag 3 to expand the airbag 3; when the airbag 3 falls into the water with the seat body 1, the airbag 3 can increase the buoyancy of the aircraft after expansion to prevent the aircraft from sinking into the water.

In one embodiment, the seat body 1 may be a base 61 made of plastic or metal.

In one embodiment, in the initial state, the gas inside the airbag 3 is exhausted.

In one embodiment, the airbag 3 is a one-piece piece made of rubber.

In one embodiment, the aircraft is a quadrotor.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, the fixing component 2 includes: a Velcro 21. In this way, the Velcro 21 is very convenient to be tied or glued to the aircraft.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, the Velcro 21 is in a long strip shape. In this way, it is convenient for the Velcro 21 to be tied to the aircraft.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, one end of the Velcro 21 has a ring buckle 211, and the other end of the Velcro 21 can pass through the ring hole on the ring buckle 211. In this way, the Velcro 21 can pass through the ring buckle 211, and the ring buckle 211 and the Velcro 21 cooperate with each other more firmly.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, there are multiple Velcro strips 21. In this way, multiple Velcro strips 21 can more firmly fix the seat body 1 to the aircraft.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device provided by the utility model, the fixing assembly 2 includes: a cloth strip for tying to the aircraft. In this way, the seat body 1 can be conveniently fixed to the aircraft through the cloth strip.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device provided by the utility model, the fixing assembly 2 includes: a first fixing member for fixing on the landing gear of the aircraft. In this way, the seat body 1 can be conveniently fixed to the landing gear through the first fixing member.

In one embodiment, the first fixing member is a bolt.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device provided by the utility model, the fixing assembly 2 includes: a second fixing member for fixing on the aircraft arm. In this way, the seat body 1 can be conveniently fixed to the belly of the aircraft through the second fixing member.

In one embodiment, the second fixing member is a bolt.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device provided by the utility model, the fixing assembly 2 includes: a third fixing member for fixing on the belly of the aircraft. In this way, the seat body 1 can be conveniently fixed to the belly of the aircraft through the third fixing member.

In one embodiment, the third fixing member is a bolt.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, the fixing assembly 2 includes: a fourth fixing member for fixing on the inner wall of the internal chamber of the aircraft. In this way, the seat body 1 can be fixed to the inner wall of the aircraft chamber through the fourth fixing member to reduce the collision with external objects.

In one embodiment, the fourth fixing member is a bolt.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device provided by the utility model, the fixing assembly 2 includes: screws for fixing on the aircraft. In this way, it is very convenient to fix the base to the aircraft by screws.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, the airbag 3 includes: a bag body made of TPU (TPU: thermoplastic polyurethane) material and a textile fabric outer layer wrapped around the outer surface of the bag body. In this way, the airbag 3 is less likely to be damaged.

Further, referring to FIG. 1 to FIG. 9 , as a specific embodiment of the floating device for falling into water provided by the utility model, the outer layer of the textile fabric is an integral piece made of any one color material of orange, yellow, and red.

Further, referring to FIG. 1 to FIG. 9 , as a specific embodiment of the floating device for falling into water provided by the utility model, the airbag 3 is in a ring shape or a rod shape after being expanded.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device provided by the utility model, it also includes: a shell 7 with a concave cavity; the shell 7 is arranged outside the airbag 3 through the concave cavity cover; the airbag 3 is folded and stored in the concave cavity. In this way, the shell 7 can protect the airbag 3 inside.

In one embodiment, the housing 7 is fixed on the seat 1, and the airbag 3 can break the housing 7 when it expands. In this way, the housing 7 can be broken after the airbag 3 expands to expose the airbag 3.

In one embodiment, the shell 7 is detachably fixed to the seat body 1, and when the airbag 3 is inflated, the seat body 1 and the shell 7 can be opened and separated. In this way, after the airbag 3 is inflated, the shell 7 can be pushed away from the seat body 1, and after the shell 7 and the seat body 1 are separated, the airbag 3 can be exposed.

Further, referring to FIG. 1 to FIG. 9 , as a specific embodiment of the floating device for falling into water provided by the utility model, the surface of the housing 7 is hollowed out, so that the weight of the housing 7 can be reduced.

In one embodiment, the housing 7 is a one-piece piece made of a flexible material so that the user is not easily injured by the impact.

Further, referring to FIG. 1 to FIG. 9 , as a specific embodiment of the floating device for falling into water provided by the present invention, the outer shell 7 is in a hollow columnar shape.

Further, referring to FIG. 1 to FIG. 9 , as a specific embodiment of the floating device for falling into water provided by the present invention, the outer shell 7 is an integral piece made of any one color material among orange, yellow and red.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, the gas source includes: a first gas cylinder 4 connected to the air bag 3 and a control mechanism for opening the first gas cylinder 4. In this way, the gas in the first gas cylinder 4 can enter the air bag 3, and the control mechanism can control the output or closing of the gas in the first gas cylinder 4.

Further, please refer to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, the control mechanism includes: a base 61 arranged on the seat body 1 and having a first channel 611, a needle body 62 arranged in the first channel 611, an air chamber 63 connected to one end of the first channel 611, a gas producing unit 64 arranged in the air chamber 63, and a first sealing member 5 that seals the bottle mouth of the first gas cylinder 4 and is located on the moving path of the needle body 62; the air bag 3 is connected to the first channel 611, or the air bag 3 is connected to the bottle mouth of the first gas cylinder 4 after puncturing the first sealing member 5; the gas generated by the gas producing unit 64 can push the needle body 62 to move along the first channel 611 and puncture the first sealing member 5. In this way, the mouth of the first gas cylinder 4 is sealed by the first sealing member 5; after the gas generating unit 64 generates gas, it can push the needle 62 to move along the first hole 611, and the needle 62 moving along the hole can pierce the first sealing member 5 to release gas from the mouth of the first gas cylinder 4, and the gas released from the mouth of the first gas cylinder 4 can enter the airbag 3 through the first hole 611. Or the gas released from the mouth of the first gas cylinder 4 can directly enter the airbag 3.

In one embodiment, there is a gap between the needle 62 and the first hole 611 for gas flow.

In one embodiment, the first channel 611 extends in a straight direction.

In one embodiment, one end of the first hole 611 is in communication with the air chamber 63 , and the other end of the first hole 611 is in communication with the bottle mouth of the first gas bottle 4 .

In one embodiment, the gas production unit 64 can adopt the technical solution of the patent previously applied for by the applicant: "Chinese Utility Model Patent; Application Number: 2023236581469; Name: An ignition device; Application Date: December 29, 2023".

In one embodiment, the gas production unit 64 can adopt the technical solution of the "igniter" in the patent previously applied for by the applicant: "Chinese Utility Model Patent; Application Number: 2023236602200; Name: A multi-stage ignition mechanism and parachute system; Application Date: December 29, 2023".

In one embodiment, the inner wall of the first hole 611 has an internal thread, and the outer surface of the bottle mouth of the first gas cylinder 4 has an external thread, and the internal thread and the external thread are threadedly connected with each other.

In one embodiment, the first channel 611 may be a hole on the base body 1 or a space outside the surface of the base body 1 .

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, it also includes: a piston 66 and a sliding channel 612 arranged on the base 61; the air chamber 63 is connected to the first channel 611 through the sliding channel 612; the piston 66 is slidably arranged in the sliding channel 612; and the needle body 62 is connected to the piston 66. In this way, the gas generated by the gas production unit 64 in the air chamber 63 enters the sliding channel 612 and can push the piston 66 to slide along the sliding channel 612, and the piston 66 can push the needle body 62 to slide during the sliding process.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device provided by the utility model, the piston 66 and the needle body 62 are integrally formed. In this way, the piston 66 and the needle body 62 are more firmly connected.

In one embodiment, the sliding channel 612 and the first channel 611 extend along a straight line, respectively, so that the piston 66 and the needle 62 can move in the same direction.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, a gas outlet 6111 is provided on the side wall of the first channel 611, and the airbag 3 is connected to the gas outlet 6111. In this way, the gas in the first gas cylinder 4 enters the airbag 3 through the gas outlet 6111 along the first channel 611.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, the first gas cylinder 4 is located in the air bag 3. In this way, the space occupied by the first gas cylinder 4 can be saved.

In one embodiment, the first gas cylinder 4 is located outside the airbag 3 , so as to avoid the first gas cylinder 4 occupying the space inside the airbag 3 .

Further, please refer to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, it also includes: a capacitor and a first controller for controlling the gas production unit 64; the electrode 65 of the capacitor is exposed to the external space; the capacitor is arranged on the seat 1; the first controller is electrically connected to the capacitor and the gas production unit 64 respectively; when the capacitance value of the capacitor is reduced to a predetermined capacitance value, the first controller starts the gas production unit 64. In this way, when the capacitor falls into the water, the electrode 65 of the capacitor can contact with the water and reduce the capacitance value between the two poles of the capacitor. When the capacitance value between the two poles of the capacitor is reduced to a predetermined capacitance value, the first controller starts the gas production unit 64 to generate gas.

In one embodiment, the first controller can be triggered after the capacitance value of the capacitor changes. Please refer to: "China Utility Model Patent; Announcement Number: CN208278316U; Name: Anti-Drop-to-Water UAV; Announcement Date: December 25, 2018" for the way in which the first capacitance change triggers the switch tube.

In one embodiment, the first controller can be triggered after the capacitance value of the capacitor changes. Please refer to the method of triggering the light-emitting diode after water enters the conductive capacitor in "Chinese Utility Model Patent; Announcement Number: CN2546329Y; Name: Safety Vest; Announcement Date: April 23, 2003".

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, a second hole 11 communicating with the outside is opened on the seat body 1; the electrode 65 of the capacitor is located in the second hole 11. In this way, when water enters the second hole 11, the electrode 65 of the capacitor in the second hole 11 contacts the water and the capacitance value between the two electrodes 65 of the capacitor can be changed.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device provided by the present invention, the capacitor has a plurality of electrodes 65; the number of the second channels 11 is multiple; the plurality of electrodes 65 corresponds to the plurality of second channels 11. In this way, the capacitance value of the capacitor can be changed after water enters the plurality of second channels 11.

In one embodiment, at least one electrode 65 is connected to the positive terminal of the capacitor, and at least one electrode 65 is connected to the negative terminal of the capacitor.

In one embodiment, an electrode 65 extends into one or more second channels 11 .

In one embodiment, the number of electrodes 65 of the capacitor is two.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device provided by the utility model, it also includes: an indicator light 12 arranged on the seat body 1; the indicator light 12 is electrically connected to the first controller. In this way, the user can judge the status through the indicator light 12.

Further, please refer to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, the entrance of the second channel 11 is covered with a second film; when the water pressure outside the second channel 11 is greater than the predetermined water pressure, the second film breaks. In this way, when the seat body 1 falls into the water, the water pressure outside the second channel 11 breaks the second film during the sinking process of the seat body 1, allowing water to enter the second channel 11, and the water entering the second channel 11 can contact the electrode 65 in the second channel 11.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device provided by the utility model, the entrance of the second channel 11 is covered with a soluble second film. In this way, when the seat body 1 falls into the water, the second film dissolves to allow water to enter the second channel 11, and the water entering the second channel 11 can contact the electrode 65 in the second channel 11.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device provided by the utility model, the second channel 11 is bent into multiple corners. In this way, splashed water is not easy to enter the second channel 11; however, when immersed in water, water easily enters along the second channel 11, and the water entering the second channel 11 can contact the electrode 65 in the second channel 11.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device provided by the utility model, the second channel 11 is bent in a maze shape. In this way, splashed water is not easy to enter the second channel 11; however, when immersed in water, water easily enters along the second channel 11, and the water entering the second channel 11 can contact the electrode 65 in the second channel 11.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, the capacitor electrode 65 forms an air wall at a predetermined distance from the entrance of the second hole 11. In this way, splashed water is not easy to enter the second hole 11; however, when immersed in water, water easily enters along the second hole 11, and the water entering the second hole 11 can contact the electrode 65 in the second hole 11.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device provided by the utility model, the inner wall of the second hole 11 is made of hydrophobic material, or a hydrophobic structure is provided in the second hole 11. In this way, water vapor is prevented from condensing and gathering on the inner wall of the second hole 11.

Further, please refer to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, it also includes: a resistor and a second controller for controlling the gas production unit 64; the electrode 65 of the resistor is exposed to the external space; the resistor is arranged on the seat 1; the second controller is electrically connected to the resistor and the gas production unit 64 respectively; when the resistance value of the resistor is reduced to a predetermined resistance value, the second controller starts the gas production unit 64. In this way, when the resistor falls into the water, the electrode 65 of the resistor can contact with the water and reduce the resistance value between the two poles of the resistor, and when the resistance value between the two poles of the resistor is reduced to a predetermined resistance value, the first controller starts the gas production unit 64 to generate gas.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, the control mechanism includes: a solenoid valve for controlling the first gas cylinder 4 and a third controller for controlling the solenoid valve; the solenoid valve is electrically connected to the third controller. In this way, the third controller can control the first gas cylinder 4 to release the gas injected into the airbag 3 through the solenoid valve.

Further, referring to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, the control mechanism includes: a first control end and a second control end for controlling the first gas cylinder 4; the first control end can control the first gas cylinder 4 through the second control end; the first control end and the second control end are electrically connected, or the first control end and the second control end are wirelessly connected. The first control end can be set in the aircraft or held by the user, and the second control end can be set on the seat 1.

Further, please refer to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, the gas source includes: a second gas cylinder and a second sealing member; the bottle mouth of the second gas cylinder is connected to the air bag 3, and the second sealing member seals the bottle mouth of the second gas cylinder; the seat body 1 has a third channel for external water to enter and contact with the second sealing member; the second sealing member is an integral member made of any material that can be dissolved, broken, or softened after contacting water. In this way, the bottle mouth of the second gas cylinder is sealed by the second sealing member; after the seat body 1 is immersed in water, external water can reach the second sealing member through the third channel, and the second gas cylinder is opened after the second sealing member is dissolved, broken, or softened.

In one embodiment, the second channel 11 may be a hole on the base body 1 or a space outside the surface of the base body 1 .

In one embodiment, the third channel may be a hole on the base body 1 or a space outside the surface of the base body 1 .

Further, please refer to Figures 1 to 9, as a specific embodiment of the floating device for falling into water provided by the utility model, the gas source includes: a containing chamber connected to the airbag 3 and a chemical agent that can generate gas when it meets water; the containing chamber is set on the base 1, and the chemical agent is located in the containing chamber; the base 1 has a fourth hole for external water to enter and contact with the chemical agent. In this way, external water can contact the chemical agent through the fourth hole, and the chemical agent can generate gas after contacting with water, and the gas generated by the chemical agent can enter the airbag 3.

In one embodiment, the fourth channel may be a hole on the base body 1 or a space outside the surface of the base body 1 .

In one embodiment, the chemical agent that generates gas when in contact with water can refer to: "Chinese Invention Patent; Announcement Number: CN112031812A; Name: Drainage Positioning Grouting Segment and Its Construction Method; Announcement Date: December 4, 2020" for the expansion agent that generates gas when in contact with water.

In one embodiment, the first gas cylinder 4 (or the second gas cylinder) is a gas storage tank, which is connected to the airbag 3. In this way, the gas in the gas storage tank can enter the airbag 3.

In one embodiment, the gas tank has a gas valve; the predetermined compressed gas in the gas tank is any one of nitrogen, air, and carbon dioxide. In one embodiment, the gas tank is provided with a gas valve, and the gas tank supplies gas to the airbag 3 through the gas valve, and the gas valve can control the on and off of the airflow between the gas source and the airbag 3.

In one embodiment, the gas source is: an ignition gas generator located in the airbag 3 .

In one embodiment, the ignition gas generator includes: a combustible agent for exploding and generating gas and an initiator for detonating the combustible agent; the combustible agent is arranged in the air chamber 63, and the air chamber 63 is connected to the airbag 3. In this way, the initiator detonates the combustible agent to generate gas, and the gas is injected into the airbag 3 through the air chamber 63; in addition, the heat generated by the combustible agent during the explosion process can also heat the gas and further cause the gas to expand.

In one embodiment, when the combustible agent can be detonated by direct ignition, the detonator can be an electronic igniter.

In one embodiment, when the combustible agent can only explode when multiple components are mixed, and each component is separately contained in a capsule, the detonator can puncture the capsule by mechanical impact puncture to allow the multiple components to explode.

In one embodiment, the combustible agent includes: nitroguanidine (chemical formula: CH4N4O2). Thus, nitroguanidine is highly flammable and easily generates a large amount of gas when burned.

In one embodiment, the nitroguanidine is in powder or block form.

In one embodiment, nitrocellulose powder and nitroglycerin powder made of nitroguanidine are used, which are very easy to burn and explode to push the piston 66 to move.

In one embodiment, the combustible agent includes: strontium nitrate (chemical formula: Sr(NO3)2). Thus, when the strontium nitrate is heated by itself or mixed with a predetermined substance (predetermined substance: organic matter, reducing agent, combustible (such as sulfur, phosphorus)), it is easy to cause combustion and explosion, thereby easily pushing the piston 66 to move.

In one embodiment, the strontium nitrate is in powder or block form.

In one embodiment, the combustible agent includes ammonium nitrate (chemical formula: NH4NO3). Thus, the ammonium nitrate is heated and decomposed (or burned) to form a large amount of gas.

In one embodiment, ammonium nitrate is heated to generate gas. In one embodiment, when the ammonium nitrate is at 110 degrees Celsius, the ammonium nitrate is thermally decomposed to generate ammonia and nitric acid; in one embodiment, when the ammonium nitrate is at 185 to 200 degrees Celsius, the ammonium nitrate is thermally decomposed to generate nitrous oxide and water; in one embodiment, when the ammonium nitrate is at 230 to 400 degrees Celsius, the ammonium nitrate is thermally decomposed to generate nitrogen, oxygen and water; in one embodiment, when the ammonium nitrate is above 400 degrees Celsius, the ammonium nitrate is thermally decomposed violently and explodes to generate nitrogen, nitrogen dioxide and water.

In one embodiment, ammonium nitrate and sodium hydroxide (chemical formula: NaOH) are heated to generate a gas (eg, NH 3 ).

In one embodiment, the ammonium nitrate is in powder or block form.

In one embodiment, the combustible agent includes: any one or more of 5-aminotetrazolyl (molecular formula is CH3N5), triadimefon (in one embodiment, the molecular formula of triadimefon is C14H16ClN3O2, chemical name: 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1H-1,2,4-triazol-1-yl)-α-butanone. In one embodiment, triadimefon is 1,2,4-triazolone), CL-20 (scientific name: hexanitrohexaazaisowurtzitane), AZODN (scientific name: azodimethyl ether dinitrate), and azide explosive agents (such as sodium azide). In this way, 5-aminotetrazolyl, triadimefon, CL-20, and azide explosive agents are easily decomposed or exploded to produce a large amount of gas.

In one embodiment, 5-aminotetrazolyl is extremely explosive when mixed with any one or more of hydroxide, nitrate, and perchlorate.

In one embodiment, 5-aminotetrazole is made using: "A method for producing bis-5-aminotetrazole as a gas generating agent for airbag 3, publication number: CN102442963A".

In one embodiment, 5-aminotetrazolyl is in powder or block form.

In one embodiment, the triadimefon is in powder or cake form.

In one embodiment, CL-20 is in powder or block form.

In one embodiment, AZODN is in powder or block form.

In one embodiment, the azide-based explosive agent is in powder or block form.

Please refer to Figures 1 to 9. The utility model also provides a flying device, including: an aircraft and a floating device for falling into water; the seat body 1 is fixed on the aircraft through a fixing component 2. In this way, the water rescue device can be detachably fixed on the aircraft through the fixing component 2; due to the use of the above-mentioned water rescue device, the seat body 1 is provided with a fixing component 2, the fixing component 2 can be fixed on the aircraft, and the fixing component 2 can also be removed from the aircraft; the seat body 1 is provided with an air bag 3, and the seat body 1 is provided with an air source; after the seat body 1 is fixed on the aircraft through the fixing component 2: the seat body 1, the air bag 3 on the seat body 1, and the air source on the seat body 1 can all be fixed on the aircraft; the air source can inject gas into the air bag 3 to expand the air bag 3; when the air bag 3 falls into the water with the seat body 1, the air bag 3 can increase the buoyancy of the aircraft after expansion to prevent the aircraft from sinking into the water.

The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims (39)

1. A water-in-floating device, comprising: the air bag comprises a seat body, a fixing component which is arranged on the seat body and is used for being detachably fixed on an aircraft, an air bag which is arranged on the seat body, and an air source which is arranged on the seat body and can inject air into the air bag.

2. The downspout floatation device of claim 1, wherein the securing assembly comprises: a magic tape.

3. The water fall floatation device of claim 2, wherein said velcro is elongated.

4. The water-in-water floatation device of claim 3, wherein one end of the velcro is provided with an annular button, and the other end of the velcro is capable of passing through an annular hole in the annular button.

5. The water fall floatation device of claim 2, wherein the number of velcro strips is a plurality.

6. The downspout floatation device of claim 1, wherein the securing assembly comprises: a cloth strap for binding on an aircraft.

7. The downspout floatation device of claim 1, wherein the securing assembly comprises: a first fixing element for fixing to the landing gear of the aircraft.

8. The downspout floatation device of claim 1, wherein the securing assembly comprises: and the second fixing piece is used for being fixed on the aircraft horn.

9. The downspout floatation device of claim 1, wherein the securing assembly comprises: and a third fixing piece used for fixing on the belly.

10. The downspout floatation device of claim 1, wherein the securing assembly comprises: and a fourth fixing element for fixing to the inner wall of the interior chamber of the aircraft.

11. The downspout floatation device of claim 1, wherein the securing assembly comprises: screws for fixing on the aircraft.

12. The water-in-water floatation device of claim 1, wherein said air bag includes: the bag body is made of TPU material, and the textile cloth outer layer is wrapped and covered on the outer surface of the bag body.

13. The water fall floatation device of claim 12, wherein said textile outer layer is a unitary piece of any one of orange, yellow, red colored material.

14. The water-in-water floatation device of claim 12, wherein said bladder is ring-shaped or rod-shaped after inflation.

15. The downspout floatation device of claim 1, further comprising: a housing having a cavity; the shell is covered on the outer side of the air bag through the concave cavity; the air bag is folded and accommodated in the concave cavity;

The shell is fixed on the seat body, and the shell can be broken when the air bag expands; or the shell is detachably fixed on the seat body, and the seat body and the shell can be opened and separated when the air bag is inflated.

16. The downspout floatation device of claim 15, wherein a surface of the housing is hollowed out;

and/or the housing is a unitary piece of flexible material.

17. The downspout floatation device of claim 15, wherein the housing is hollow and cylindrical.

18. The downspout floatation device of claim 15, wherein the housing is a unitary piece of any one of orange, yellow, and red colored material.

19. The downspout floatation device of any one of claims 1 to 18, wherein the air source comprises: a first gas cylinder in communication with the bladder and a control mechanism for opening the first gas cylinder.

20. The downspout floatation device of claim 19, wherein the control mechanism comprises: the base is arranged on the base body and provided with a first pore canal, the needle body is arranged in the first pore canal, the air chamber is communicated with one end of the first pore canal, the air generating unit is arranged in the air chamber, and the first sealing piece is used for sealing the opening of the first air bottle and is positioned on the moving path of the needle body; the air bag is communicated with the first pore canal or the air bag is communicated with the first air bottle opening after the first sealing piece is pierced; the gas generating unit generates gas to push the needle body to move along the first pore canal and puncture the first sealing element.

21. The downspout floatation device of claim 20, further comprising: a piston and a sliding duct provided on the base; the air chamber is communicated with the first pore canal through the sliding pore canal; the piston is arranged in the sliding pore canal in a sliding way; the needle body is connected to the piston.

22. The downspout floatation device of claim 21, wherein the piston is an integral piece with the needle;

And/or the sliding duct and the first duct extend along a pre-straight line respectively.

23. The water-in-floating device of claim 20, wherein the sidewall of the first duct is provided with an air outlet, and the air bag is in communication with the air outlet.

24. The downspout floatation device of claim 20, wherein the first air bottle is located within the air bladder;

or the first air bottle is positioned outside the air bag.

25. The downspout floatation device of claim 20, further comprising: a capacitor and a first controller for controlling the gas generating unit; the electrode of the capacitor is exposed in the external space; the capacitor is arranged on the base body; the first controller is respectively and electrically connected with the capacitor and the gas generating unit; when the capacitance value of the capacitor changes to a preset capacitance value, the first controller starts the gas generating unit.

26. The water falling floatation device of claim 25, wherein the base has a second opening in communication with the exterior; the electrode of the capacitor is positioned in the second pore canal.

27. The downspout floatation device of claim 26, wherein the capacitor has a plurality of electrodes; the number of the second pore channels is a plurality of; the electrodes are in one-to-one correspondence with the second pore canals.

28. The downspout floatation device of claim 25, further comprising: the indicating lamp is arranged on the seat body; the indicator lamp is electrically connected with the first controller.

29. The downspout floatation device of claim 26, wherein the inlet of the second duct is covered with a second membrane; when the water pressure outside the second pore canal is greater than the preset water pressure, the second film is broken.

30. The downspout floatation device of claim 26, wherein the inlet of the second duct is covered with a second film that is soluble.

31. The downspout floatation device of claim 26, wherein the second duct is bent in a plurality of corners.

32. The downspout floatation device of claim 31, wherein the second duct is curved in a labyrinth-like manner.

33. The downspout floatation device of claim 26, wherein the capacitor electrode forms an air wall a predetermined distance from the inlet of the second duct.

34. The downspout floatation device of claim 26, wherein the inner wall of the second duct is made of a hydrophobic material or a hydrophobic structure is disposed within the second duct.

35. The downspout floatation device of claim 20, further comprising: a resistor and a second controller for controlling the gas generating unit; the electrode of the resistor is exposed in the external space; the resistor is arranged on the base body; the second controller is respectively and electrically connected with the resistor and the gas generating unit; the second controller activates the gas generating unit when the resistance value of the resistor decreases to a predetermined resistance value.

36. The downspout floatation device of claim 19, wherein the control mechanism comprises: a solenoid valve for controlling the first gas cylinder and a third controller for controlling the solenoid valve; the electromagnetic valve is electrically connected with the third controller;

And/or the control mechanism comprises: the first control end and the second control end are used for controlling the first gas cylinder; the first control end can control the first gas cylinder through the second control end; the first control end is electrically connected with the second control end, or the first control end is in wireless connection with the second control end.

37. The downspout floatation device of any one of claims 1 to 18, wherein the air source comprises: a second cylinder and a second seal; the bottleneck of the second gas cylinder is communicated with the air bag, and the second sealing piece seals the bottleneck of the second gas cylinder; the seat body is provided with a third pore canal for external water to enter and contact with the second sealing element; the second sealing element is an integral piece made of any one material which can be dissolved, broken or softened when meeting water.

38. The downspout floatation device of any one of claims 1 to 18, wherein the air source comprises: the accommodating cavity is communicated with the air bag and the chemical agent can generate gas after meeting water; the containing cavity is arranged on the base body, and the chemical agent is positioned in the containing cavity; the seat body is provided with a fourth pore canal for external water to enter and contact with the chemical agent.

39. A flying apparatus, comprising: an aircraft and a water-in-flight device as claimed in any one of claims 1 to 38; the seat body is fixed on the aircraft through the fixing component.