CN113530776A - Memory alloy volume driver with high stability - Google Patents
Memory alloy volume driver with high stability Download PDFInfo
- Publication number
- CN113530776A CN113530776A CN202110927665.7A CN202110927665A CN113530776A CN 113530776 A CN113530776 A CN 113530776A CN 202110927665 A CN202110927665 A CN 202110927665A CN 113530776 A CN113530776 A CN 113530776A
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- China
- Prior art keywords
- cavity
- memory alloy
- volume driver
- cavity wall
- control device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/14—Control of attitude or depth
- B63G8/24—Automatic depth adjustment; Safety equipment for increasing buoyancy, e.g. detachable ballast, floating bodies
Abstract
The invention relates to the technical field of underwater vehicles, and discloses a high-stability memory alloy volume driver which comprises a cavity, wherein the cavity comprises a cavity wall made of a memory alloy material, a through hole for communicating the interior of the cavity with the exterior of the cavity is formed in the cavity wall, a temperature control device is arranged on the outer side surface of the cavity wall, the memory alloy volume driver also comprises a heat-insulating film shell, the cavity and the temperature control device are both positioned in the heat-insulating film shell, and an opening corresponding to the through hole is formed in the heat-insulating film shell. The memory alloy volume driver disclosed by the embodiment of the invention has the advantages of simple structure, small volume, light weight and more stable deformation, and can reduce energy consumption.
Description
Technical Field
The invention relates to the technical field of underwater vehicles, in particular to a memory alloy volume driver with high stability.
Background
The buoyancy adjusting device is used for adjusting the working states of floating and submerging of the underwater vehicle, the performance of the buoyancy adjusting device directly influences the maneuvering performance of the underwater vehicle, and the current buoyancy adjusting device is divided into an adjustable pressure-loading type and a variable volume type according to an adjusting mode.
The adjustable ballast type buoyancy adjusting device changes the net buoyancy by changing the self weight under the condition of unchanged volume. The adjusting mode has strong adjusting capability and large buoyancy variation range, and is mainly used for medium-sized and large-sized diving equipment.
The variable volume type buoyancy adjusting device adjusts the buoyancy by changing the volume of the device, realizes the adjustment of net buoyancy under the condition of unchanged weight, and generally adopts a deformable oil bag, a piston or an air bag to realize the adjustment. The adjusting mode is easy to realize the precise control of the buoyancy.
At present, for a variable-volume buoyancy regulating device, a memory alloy wire and a spring are mostly adopted to drive a piston to reciprocate so as to change the volume, so that the purpose of changing the buoyancy is achieved, but the volume regulating device driven in the mode is complex in structure, the memory alloy wire, the spring and the piston are required to be arranged on one axis, so that the regulating device is large in volume, the volume of a submersible vehicle is increased, and the improvement of the performance of the submersible vehicle is not facilitated.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the driving part of the prior variable volume buoyancy regulating device has complex structure and large volume.
In order to solve the technical problem, the invention provides a high-stability memory alloy volume driver, which comprises a cavity, wherein the cavity comprises a cavity wall made of a memory alloy material, the cavity wall is provided with a through hole for communicating the interior of the cavity with the exterior of the cavity, the memory alloy volume driver also comprises a heat-insulating film shell and a temperature control device for heating the cavity wall, the cavity and the temperature control device are both positioned in the heat-insulating film shell, and the heat-insulating film shell is provided with an opening corresponding to the through hole.
Further, the temperature control device is located on the outer side face of the cavity wall.
Furthermore, the temperature control device is a resistance wire, a ceramic heating plate, an electrothermal film or a semiconductor refrigerating plate.
Further, the cavity wall has a one-way memory effect or a two-way memory effect.
Further, the memory alloy volume driver also comprises a valve communicated with the through hole.
Furthermore, the valve is positioned outside the heat-preservation film shell and is communicated with the through hole through a pipeline penetrating through the opening.
Further, the valve is a one-way valve.
Further, the temperature of the temperature control device can be increased to enable the cavity wall to be heated, shrunk and deformed, so that the volume inside the cavity is reduced.
Compared with the prior art, the memory alloy volume driver with high stability provided by the technical scheme has the beneficial effects that: the cavity is arranged, the interior of the cavity is used for containing fluid with certain pressure, the wall of the cavity is made of memory alloy materials, the temperature of the wall of the cavity is controlled through the temperature control device, the wall of the cavity deforms due to the change of temperature, so that the volume of the interior of the cavity is changed, the fluid in the interior is extruded to flow out of the through hole when the volume of the cavity is reduced, and the power of the flowing fluid is used as driving force for driving other moving parts, so that the size of buoyancy can be changed; therefore, the memory alloy volume driver is used as a driving part of the variable volume type buoyancy adjusting device, a mode that a memory alloy wire and a spring are combined to drive a piston is not needed, and the variable volume type buoyancy adjusting device is simple in structure, small in volume and light in weight.
Through setting up the heat preservation membrane casing, can reduce the temperature change speed of the cavity wall of making by memory alloy, make the deformation of cavity wall more stable, reduce the energy consumption.
Drawings
FIG. 1 is a schematic structural diagram of a high stability memory alloy volume driver according to an embodiment of the present invention.
The device comprises a cavity body wall, a fluid 2, a through hole 3, a valve 4, a heat-insulating membrane shell 5 and a temperature control device 6.
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 invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "central", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., used herein are used in the orientation or positional relationship indicated in the drawings, which are 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 construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, an embodiment of the invention provides a high-stability memory alloy volume driver, which includes a cavity, the cavity includes a cavity wall 1 made of a memory alloy material, the cavity wall 1 is provided with a through hole 3 for communicating the inside of the cavity with the outside of the cavity, the outer side surface of the cavity wall 1 is provided with a temperature control device 6, the memory alloy volume driver further includes a heat insulation film casing 5, the cavity and the temperature control device 6 are both located inside the heat insulation film casing 5, and the heat insulation film casing 5 is provided with an opening corresponding to the through hole 3.
Based on the scheme, the fluid 2 with certain pressure is accommodated in the cavity, the cavity wall 1 is made of memory alloy materials, the temperature of the cavity wall 1 is controlled through the temperature control device 6, the cavity wall 1 can deform due to temperature change, the volume in the cavity is changed, the fluid 2 in the cavity is extruded to flow out of the through hole 3 when the volume of the cavity is reduced, and the power of the flowing fluid 2 is used as the driving force for driving other moving parts, so that the buoyancy can be changed; therefore, the memory alloy volume driver is used as a driving part of the variable volume type buoyancy adjusting device, a mode that a memory alloy wire and a spring are combined to drive a piston is not needed, and the variable volume type buoyancy adjusting device is simple in structure, small in volume and light in weight.
Through setting up heat preservation membrane casing 5, can reduce the temperature change speed of the cavity wall 1 of making by memory alloy, make the deformation of cavity wall 1 more stable, reduce the energy consumption.
The fluid 2 can be liquid or gas, after the cavity wall 1 is heated, shrunk and deformed, the temperature control device 6 enables the cavity wall 1 to be cooled, the cavity wall 1 can expand to be in an original shape under the pressure action of the fluid 2 in the cavity, and the cavity wall 1 can be repeatedly shrunk and expanded to provide driving force all the time to change the buoyancy.
Optionally, the temperature control device 6 is a resistance wire, a ceramic heating plate, an electrothermal film or a semiconductor refrigerating plate. The temperature control device 6 is used to change the temperature of the chamber wall 1.
Optionally, the cavity wall 1 has a one-way memory effect or a two-way memory effect, and can be made of a one-way memory alloy material or a two-way memory alloy material.
Further, as shown in fig. 1, the memory alloy volume driver of the present embodiment further includes a valve 4 communicated with the through hole 3, and the valve 4 can be used to control the pressure of the fluid 2 inside the cavity, and can inject a gas or a liquid with a certain pressure into the cavity through the valve 4.
Specifically, as shown in fig. 1, the valve 4 is located outside the heat-insulating film casing 5, and the valve 4 is communicated with the through hole 3 through a pipeline passing through the opening. Wherein the valve 4 is a one-way valve.
In this embodiment, the temperature control device 6 heats up to make the cavity wall 1 deform due to thermal contraction, so that the volume inside the cavity is reduced, and the fluid 2 inside the cavity is extruded out from the through hole 3 to drive other components to move. And when the temperature control device 6 cools the cavity wall 1, the cavity wall 1 can be restored to the shape before shrinkage under the pressure action of the fluid 2 in the cavity.
In summary, the embodiment of the invention provides a memory alloy volume driver with high stability, which does not need to adopt a mode of driving a piston by combining a memory alloy wire and a spring, and has the advantages of simple structure, small volume and light weight.
By arranging the heat-insulating film shell 5, the temperature change speed of the cavity wall 1 made of memory alloy can be reduced, the deformation of the cavity wall 1 is more stable, and the energy consumption is reduced
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a memory alloy volume driver of high stability, its characterized in that, includes the cavity, the cavity includes the cavity wall of making by the memory alloy material, be equipped with one on the cavity wall and make the cavity inside with the through-hole of the outside intercommunication of cavity, memory alloy volume driver still includes the heat preservation membrane casing and is used for heating the temperature control device of cavity wall, the cavity reaches temperature control device all is located the inside of heat preservation membrane casing, be equipped with on the heat preservation membrane casing with the corresponding opening of through-hole.
2. The memory alloy volume driver of claim 1, wherein the temperature control device is located on an outer side of the cavity wall.
3. The memory alloy volume driver of claim 1, wherein the temperature control device is a resistance wire, a ceramic heating plate, an electrothermal film or a semiconductor cooling plate.
4. The memory alloy volume driver of claim 1, wherein the cavity wall has a one-way memory effect or a two-way memory effect.
5. The memory alloy volume driver of claim 1, further comprising a valve in communication with the through bore.
6. The memory alloy volume driver of claim 5, wherein the valve is located outside the thermal membrane housing, the valve communicating with the through-hole through a conduit passing through the opening.
7. The memory alloy volume driver of claim 5, wherein the valve is a one-way valve.
8. The memory alloy volume driver of claim 1, wherein the temperature control device is capable of heating to shrink and deform the cavity wall so that the volume inside the cavity is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110927665.7A CN113530776A (en) | 2021-08-10 | 2021-08-10 | Memory alloy volume driver with high stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110927665.7A CN113530776A (en) | 2021-08-10 | 2021-08-10 | Memory alloy volume driver with high stability |
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| Publication Number | Publication Date |
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| CN113530776A true CN113530776A (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110927665.7A Pending CN113530776A (en) | 2021-08-10 | 2021-08-10 | Memory alloy volume driver with high stability |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114954873A (en) * | 2022-05-30 | 2022-08-30 | 大连海事大学 | Sodium azide pyrolysis drive type buoyancy regulating system applied to submersible |
-
2021
- 2021-08-10 CN CN202110927665.7A patent/CN113530776A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114954873A (en) * | 2022-05-30 | 2022-08-30 | 大连海事大学 | Sodium azide pyrolysis drive type buoyancy regulating system applied to submersible |
| CN114954873B (en) * | 2022-05-30 | 2023-07-25 | 大连海事大学 | Sodium azide pyrolysis driving type buoyancy adjusting system applied to submersible |
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