CN215707052U - Airbag device and underwater vehicle - Google Patents
Airbag device and underwater vehicle Download PDFInfo
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- CN215707052U CN215707052U CN202121962573.4U CN202121962573U CN215707052U CN 215707052 U CN215707052 U CN 215707052U CN 202121962573 U CN202121962573 U CN 202121962573U CN 215707052 U CN215707052 U CN 215707052U
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Abstract
The utility model relates to the technical field of underwater vehicles, and discloses an airbag device and an underwater vehicle, wherein the airbag device comprises: the air bag comprises an air accommodating cabin, an air bag body and an air pump; the airbag body is arranged on an underwater vehicle and is contacted with water flow; a ventilation channel is arranged between the air bag body and the gas containing cabin, the air bag body is communicated with the gas containing cabin through the ventilation channel, and predetermined gas is stored in the gas containing cabin and the air bag body respectively; the air pump is arranged in the air exchange channel; the air suction port of the air pump is communicated with the air bag body, and the air exhaust port of the air pump is communicated with the air accommodating cabin. The utility model does not need to use an electromagnetic valve, and simplifies the structure of the air bag device.
Description
Technical Field
The utility model relates to the technical field of underwater vehicles, in particular to an airbag device and an underwater vehicle.
Background
When the underwater vehicle is in operation, the communication device on the underwater vehicle needs to communicate with other communication devices to transmit data.
During communication, the underwater vehicle needs to float up to the water surface, so that the communication antenna of the communication device is exposed out of the water surface, and in order to ensure that the communication antenna can be exposed out of the water surface, in the prior art, an airbag device is generally arranged on the underwater vehicle to increase buoyancy force borne by the underwater vehicle so as to raise the height of the communication antenna and ensure that the position of the communication antenna is above the water surface.
The prior art airbag device generally comprises an airbag body, an air accommodating cabin, an air pump and an electromagnetic valve; when the communication antenna needs to be exposed out of the water surface, the air pump pumps the air in the air containing cabin into the air bag body, the air bag body expands, and the buoyancy force borne by the underwater vehicle is increased; when the underwater vehicle sinks, the electromagnetic valve is opened, the pressure difference between the air bag body and the air containing cabin drives the air in the air bag body to flow back to the air containing cabin, and the buoyancy force borne by the underwater vehicle is reduced.
However, the airbag device of the related art requires the provision of the solenoid valve, resulting in a complicated overall structure of the airbag device.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: the air bag device has relatively low air tightness requirement and relatively simple integral structure, and the underwater vehicle applying the air bag device is provided.
In order to achieve the above object, a first aspect of the present invention provides an airbag device including: the air bag comprises an air accommodating cabin, an air bag body and an air pump; the airbag body is arranged on an underwater vehicle and is contacted with water flow; a ventilation channel is arranged between the air bag body and the gas containing cabin, the air bag body is communicated with the gas containing cabin through the ventilation channel, and predetermined gas is stored in the gas containing cabin and the air bag body respectively; the air pump is arranged in the air exchange channel; the air suction port of the air pump is communicated with the air bag body, and the air exhaust port of the air pump is communicated with the air accommodating cabin.
Compared with the prior art, the airbag device provided by the embodiment of the utility model has the beneficial effects that:
according to the airbag device provided by the embodiment of the utility model, when the airbag body is exposed to the water surface, the airbag body is expanded to the expansion state, so that the drainage volume of the airbag is increased, and the buoyancy force applied to an underwater vehicle is increased. Compared with the prior art that the air pump supplies air to the air bag to expand the air bag and the electromagnetic valve is used for avoiding the air bag from contracting, the air bag device naturally supplies air to the air bag under the action of pressure difference to expand the air bag to an expanded state, the air bag contracts through the air pump and finally the water pressure is used for keeping the air bag in a contracted state, the electromagnetic valve is not needed, and the structure of the air bag device is simplified.
In the airbag device provided by the first aspect, further, the gas accommodation chamber further has an inflation channel communicated to the outside, and a valve body is provided in the inflation channel.
In the airbag device provided in the first aspect, further, the valve body is a one-way valve that allows a fluid to flow from the outside to the gas accommodation compartment.
In the airbag device provided in the first aspect, further, the air pump is a centrifugal pump or an axial flow pump.
In the airbag device provided in the first aspect, further, the airbag device further includes a first pressure sensor for acquiring an outside pressure value of the airbag body, a second pressure sensor for acquiring an inside pressure value of the airbag body, and a switch for turning on the air pump and turning off the air pump when the outside pressure value of the airbag body is greater than or equal to the inside pressure value of the airbag body.
In the airbag device provided in the first aspect, the airbag body is made of rubber.
In the airbag device provided in the first aspect, further, a communication pipe that encloses the ventilation passage is further included; the airbag body is communicated with the gas containing cabin through the communicating pipe.
The utility model provides an underwater vehicle in a second aspect, which comprises a vehicle body, a driving mechanism for driving the vehicle body to ascend to the water surface and descend to the water, and an air bag device provided by the first aspect; the airbag body is arranged on the aircraft body and is used for being in contact with water flow; when the vehicle body is in a surface position, the balloon body is inflated to the inflated state; when the aircraft body sinks from the water surface position to the underwater, the air pump is started and drives the preset air in the air bag body to transfer to the air containing cabin so that the air bag body is contracted to a contracted state.
Compared with the prior art, the underwater vehicle has the beneficial effects that:
after the airbag device provided by the first aspect is applied, the underwater vehicle of the embodiment does not need to use an electromagnetic valve, and the overall structure is simple.
In the underwater vehicle provided in the second aspect, further, the gas containment capsule is disposed within the vehicle body.
In the underwater vehicle provided in the second aspect, further, a communication antenna is further included; the communication antenna is arranged on the surface of the aircraft body, and when the aircraft body is positioned on the water surface, the communication antenna is exposed out of the water surface.
Drawings
FIG. 1 is a structural view of an airbag device according to an embodiment of the present invention.
In the figure, 1, a gas containing cabin; 2. an airbag body; 3. a communicating pipe; 4. an air pump; 5. a valve body.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1, a first aspect of the preferred embodiment of the present invention provides an airbag apparatus including a gas-accommodating chamber 1, an airbag body 2, and an air pump 4; the airbag body 2 is arranged on an underwater vehicle and is contacted with water flow; a ventilation channel is arranged between the air bag body 2 and the gas containing cabin 1, the air bag body 2 is communicated with the gas containing cabin 1 through the ventilation channel, and predetermined gas is respectively stored in the gas containing cabin 1 and the air bag body 2; the air pump 4 is arranged in the ventilation channel; an air suction port of the air pump 4 is communicated with the air bag body 2, and an air exhaust port of the air pump 4 is communicated with the air accommodating cabin 1; and the air suction port of the air pump 4 is communicated with the air exhaust port of the air pump 4.
When the underwater vehicle works normally, the airbag body 2 attached to the underwater vehicle contracts and is kept in a contracted state under the action of water pressure, and the pressure value in the airbag body 2 is larger at the moment.
When the underwater vehicle floats to the water surface position, and the airbag body 2 is close to the water surface, the airbag body 2 is expanded from the contraction state to the expansion state due to the reduction of the water pressure outside the airbag, at the moment, the airbag body 2 is in the balance state, so that the drainage volume of the airbag body 2 is increased, the buoyancy force borne by the underwater vehicle is increased, the underwater vehicle is kept at the position, and at the moment, the pressure value in the airbag body 2 is smaller.
When the underwater vehicle sinks underwater from the water surface position, the air pump 4 is started to supply the preset air in the air bag body 2 into the air accommodating cabin 1, so that the air bag body 2 is contracted to a contracted state, during the process, the air pump 4 is always kept in a starting state, so that the air bag body 2 is kept in a state with larger internal pressure until the external pressure of the air bag body 2 is larger than or equal to the internal pressure of the air bag body 2 at the moment, the air pump 4 is stopped, and the air bag body 2 is kept in the contracted state through water pressure.
Compared with the prior art that the air pump 4 supplies air to the air bag to expand the air bag and the electromagnetic valve is used for avoiding the air bag from contracting, the air bag device naturally supplies air to the air bag under the action of pressure difference to expand the air bag to an expanded state, the air bag contracts through the air pump 4 and finally the water pressure is used for keeping the air bag in a contracted state, the electromagnetic valve is not needed, and the structure of the air bag device is simplified.
In the prior art, the electromagnetic valve is used for preventing gas from flowing back from the air pump 4, so that the air tightness of the ventilation channel is ensured, after the air pump 4 of the embodiment works, the underwater vehicle sinks, the air pump 4 can be closed when the pressure of the outer side of the airbag body 2 is greater than or equal to the pressure of the inner side of the airbag body 2 in the contraction state by setting the air pump 4, and at the moment, the ventilation channel cannot flow back under the action of the pressure difference between the inner side and the outer side of the airbag body 2, so that the electromagnetic valve is not needed.
Wherein the predetermined gas may be air.
Further, in an embodiment, referring to fig. 1, the gas accommodating chamber 1 further has an inflation channel communicated to the outside, and a valve body 5 is disposed in the inflation channel.
In practical use, the total amount of the preset gas in the gas containing cabin 1 and the airbag body 2 is required to be adjusted frequently, so that when the airbag body 2 is expanded to an expanded state, the size of the airbag body 2 is large enough, water with enough volume can be discharged, and the buoyancy to an underwater vehicle is ensured; if the total amount of the predetermined gas in the gas containing cabin 1 and the airbag body 2 is small, the volume of the airbag body 2 is reduced under the condition of reaching the same pressure, and the buoyancy for the underwater vehicle cannot be ensured.
Further, in one embodiment, referring to fig. 1, the valve body 5 is a one-way valve allowing fluid to flow from the outside to the gas containing chamber 1, so as to prevent the predetermined gas in the gas containing chamber 1 from leaking through the inflation channel.
Further, in an embodiment, referring to fig. 1, the air pump 4 is a centrifugal pump or an axial flow pump. In the present embodiment, the air pump 4 does not need to be able to generate backflow, and therefore, a pump body structure in which an air inlet and an air outlet are directly connected, such as a centrifugal pump or an axial flow pump, may be used.
Further, in an embodiment, please refer to fig. 1, further including a first pressure sensor for acquiring an outside pressure value of the airbag body 2, a second pressure sensor for acquiring an inside pressure value of the airbag body 2, and a switch for turning on the air pump 4 and turning off the air pump 4 when the outside pressure value of the airbag body 2 is greater than or equal to the inside pressure value of the airbag body 2.
In this embodiment, the switch, the first pressure sensor, and the second pressure sensor are provided, so that the air pump 4 is automatically turned on and off without manually inputting an instruction.
Further, in an embodiment, referring to fig. 1, the airbag body 2 is made of rubber to ensure that the airbag body 2 has good deformation performance.
Further, in an embodiment, please refer to fig. 1, further comprising a communicating pipe 3 enclosing the ventilation channel; the airbag body 2 and the gas containing cabin 1 are communicated through the communicating pipe 3. In other embodiments, the airbag body 2 and the gas-containing chamber 1 may be directly provided with openings, respectively, such that the two openings are directly connected.
A second aspect of preferred embodiments of the present invention provides an underwater vehicle, including a vehicle body, a driving mechanism for driving the vehicle body to ascend to a water surface position and descend to the water, and an airbag device provided in the first aspect; the airbag body 2 is arranged on the vehicle body and is used for being in contact with water flow; when the vehicle body is in the surface position, the airbag body 2 is inflated to the inflated state; when the vehicle body sinks from the water surface position to the underwater, the air pump 4 is started and drives the predetermined air in the airbag body 2 to transfer into the air accommodating chamber 1 so as to enable the airbag body 2 to be contracted to a contracted state.
The underwater vehicle in the embodiment, after the airbag device provided by the first aspect is applied, the electromagnetic valve is not needed, and the overall structure is simple.
Further, in one embodiment, the gas containment vessel 1 is built into the aircraft body.
Further, in one embodiment, the system further comprises a communication antenna; the communication antenna is arranged on the surface of the aircraft body, and when the aircraft body is positioned on the water surface, the communication antenna is exposed out of the water surface, so that the communication effect of the communication equipment is ensured.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An airbag device, comprising:
a gas containing cabin;
the airbag body is arranged on the underwater vehicle and is in contact with water flow; a ventilation channel is arranged between the air bag body and the gas containing cabin, the air bag body is communicated with the gas containing cabin through the ventilation channel, and predetermined gas is stored in the gas containing cabin and the air bag body respectively; and
the air pump is arranged in the air exchange channel; the air suction port of the air pump is communicated with the air bag body, and the air exhaust port of the air pump is communicated with the air accommodating cabin.
2. An air bag apparatus according to claim 1, wherein said gas accommodation chamber further has an inflation passage communicating with the outside, and a valve body is provided in said inflation passage.
3. An air bag apparatus according to claim 2, wherein said valve body is a one-way valve which allows fluid to flow from the outside to the inside of said gas accommodation chamber.
4. The airbag device according to claim 1, wherein the air pump is a centrifugal pump or an axial pump.
5. The airbag device according to claim 1, further comprising a first pressure sensor for acquiring a pressure value outside the airbag body, a second pressure sensor for acquiring a pressure value inside the airbag body, and a switch for turning on the air pump and turning off the air pump when the pressure value outside the airbag body is greater than or equal to the pressure value inside the airbag body.
6. The airbag device according to claim 1, wherein the airbag body is made of a rubber material.
7. The airbag apparatus according to claim 1, characterized by further comprising a communicating tube that encloses the ventilation passage; the airbag body is communicated with the gas containing cabin through the communicating pipe.
8. An underwater vehicle comprising a vehicle body, a driving mechanism for driving the vehicle body to ascend to a surface position and descend to the water, and an airbag apparatus according to any one of claims 1 to 7;
the airbag body is arranged on the aircraft body and is used for being in contact with water flow;
when the vehicle body is in a surface position, the airbag body is inflated to an inflated state;
when the aircraft body sinks from the water surface position to the underwater, the air pump is started and drives the preset air in the air bag body to transfer to the air containing cabin so that the air bag body is contracted to a contracted state.
9. The underwater vehicle of claim 8, wherein the gas containment capsule is disposed within the vehicle body.
10. The underwater vehicle of claim 8, further comprising a communications antenna; the communication antenna is arranged on the surface of the aircraft body, and when the aircraft body is positioned on the water surface, the communication antenna is exposed out of the water surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121962573.4U CN215707052U (en) | 2021-08-19 | 2021-08-19 | Airbag device and underwater vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121962573.4U CN215707052U (en) | 2021-08-19 | 2021-08-19 | Airbag device and underwater vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215707052U true CN215707052U (en) | 2022-02-01 |
Family
ID=79998962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121962573.4U Active CN215707052U (en) | 2021-08-19 | 2021-08-19 | Airbag device and underwater vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215707052U (en) |
-
2021
- 2021-08-19 CN CN202121962573.4U patent/CN215707052U/en active Active
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