CN213862689U - Combined type gas heating-anti-icing liquid anti-icing and deicing system - Google Patents
Combined type gas heating-anti-icing liquid anti-icing and deicing system Download PDFInfo
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- CN213862689U CN213862689U CN202022664312.6U CN202022664312U CN213862689U CN 213862689 U CN213862689 U CN 213862689U CN 202022664312 U CN202022664312 U CN 202022664312U CN 213862689 U CN213862689 U CN 213862689U
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Abstract
The utility model provides a combined type gas heat-anti-icing liquid prevent and remove ice system, include: the device comprises a controller (1), an anti-icing liquid tank (2), a gas-heat anti-icing and anti-icing component (3), a pump (4) and an airfoil leading edge (7); the air-heating ice preventing and removing assembly (3) is arranged in a space formed by the airfoil leading edge (7) and the partition plate; the controller (1) is respectively electrically connected with the gas-heated ice preventing and removing assembly (3) and the pump (4); and the controller (1) is used for receiving an on/off signal given by a system switch, and sending a working signal to the air-heating ice preventing and removing component (3) and the pump (4) when the on signal is obtained, so that the air-heating ice preventing and removing component (3) generates hot air to perform ice preventing and removing on the front side of the airfoil leading edge (7) of the airplane, and the pump (4) extracts the ice preventing liquid from the ice preventing liquid tank (2), sprays the ice preventing liquid to the sandwich structure and flows out of the micropores (8). The weight is lighter than that of the similar anti-icing liquid anti-icing system, and the energy consumption is less than that of the similar anti-icing liquid anti-icing system.
Description
Technical Field
The utility model relates to an aircraft airfoil deicing field, in particular to combined type gas heat-anti-icing liquid prevent and remove icing system.
Background
After the airplane enters an icing environment, ice accumulation occurs at the leading edge of the airplane airfoil, and the flight safety is affected. Conventional deicing prevention methods include an anti-icing liquid deicing system, a gas-heated deicing system, and the like.
The gas-heat ice preventing and removing system has good ice preventing and removing effect, but the energy consumption on the machine is high, and residual ice is easily generated behind the wing surface after ice preventing and removing, so that the aerodynamic performance of the wing surface is influenced; the anti-icing system of the anti-icing liquid does not affect the aerodynamic performance of the wing surface, the energy consumption on the airplane is low, but the loading capacity of the anti-icing liquid is limited, so that the anti-icing time is limited (especially, the time is more limited when the anti-icing area is large), and the effective load of the airplane is reduced by loading the anti-icing liquid.
SUMMERY OF THE UTILITY MODEL
The utility model provides a combined type gas is hot-prevent and remove ice-removing system of anti-icing liquid can reduce the onboard energy resource consumption and improve deicing efficiency, increases flight safety margin.
The utility model provides a combined type gas heat-anti-icing liquid prevent and remove ice system, include: the device comprises a controller 1, an anti-icing liquid tank 2, a gas-heat anti-icing component 3, a pump machine 4 and an airfoil leading edge 7; wherein the content of the first and second substances,
a partition plate is arranged in the airfoil leading edge 7, and the gas-heated ice preventing and removing assembly 3 is arranged in a space formed by the airfoil leading edge 7 and the partition plate;
the upper and lower surfaces of the airfoil leading edge 7, which are positioned behind the partition plate, both comprise sandwich structures, and a plurality of micropores 8 are arranged on the outer surfaces of the sandwich structures; the pump 4 is respectively connected with the anti-icing liquid tank 2 and the sandwich structure; the anti-icing liquid is stored in the anti-icing liquid box 2;
the controller 1 is respectively electrically connected with the air-heating ice preventing and removing assembly 3 and the pump 4;
the controller 1 is used for receiving an on/off signal given by a system switch, and when the on signal is obtained, sending a working signal to the air-heated anti-icing and deicing component 3 and the pump machine 4, so that the air-heated anti-icing and deicing component 3 generates hot air to perform anti-icing and deicing on the front side of the airfoil leading edge 7 of the airplane, and the pump machine 4 extracts anti-icing liquid from the anti-icing liquid tank 2, sprays the anti-icing liquid to the interlayer structure, and flows out of the micropores 8.
Optionally, the air-heated ice-preventing and removing assembly 3 includes: a gas-heated anti-icing structure 5 and an air flow distribution device 6; wherein the content of the first and second substances,
the airflow distribution device 6 is used for generating hot air when receiving a working signal sent by the controller 1 and distributing the hot air to different areas of the airfoil leading edge 7 according to a preset procedure;
the gas-heat deicing structure 5 is arranged in front of the partition and used for guiding the hot gas.
Optionally, the pump 4 is in communication with the sandwich structure via a plurality of conduits.
Optionally, the pump 4 is mounted within the airfoil leading edge 7 and is located behind the bulkhead.
Optionally, an anti-icing working time sequence is preset in the controller 1, and the combined gas heating-anti-icing liquid anti-icing system works according to the preset time sequence until the controller 1 receives a closing signal.
Optionally, the diameter of the micropores 8 is in the range of 0.01-2 mm.
The utility model provides a combined type gas heat-anti-icing liquid prevent off ice system, weight prevent off ice system light, less to energy consumption than the anti-icing liquid of the same type prevent off ice system. And the combined type gas heat-anti-icing liquid anti-icing and deicing system ensures that no overflow ice exists at the rear side of the airfoil anti-icing area, the icing protection effect is better than that of the gas heat anti-icing and deicing system, and the flight safety margin in the icing environment is increased.
Drawings
FIG. 1 is a schematic structural view of a combined air heating-anti-icing liquid anti-icing system provided by the present invention;
FIG. 2 is a schematic view of the leading edge of the airfoil;
description of reference numerals:
the device comprises a controller, a 2-anti-icing liquid tank, a 3-air heat anti-icing and deicing assembly, a 4-pump, a 5-air heat anti-icing and deicing structural member, a 6-air flow distribution device, a 7-airfoil structure and 8-micropores.
Detailed Description
For a better understanding of the utility and objects of the present invention, and not to be considered as limiting solutions, a detailed description of embodiments of the present invention is given below based on the accompanying drawings.
Fig. 1 is the utility model provides a combined type gas heat-anti-icing liquid prevents icing system's schematic structure, fig. 2 is the schematic structure of airfoil leading edge, as shown in fig. 1 and 2, the example of the utility model provides a combined type gas heat-anti-icing liquid prevents icing system, include: the device comprises a controller 1, an anti-icing liquid tank 2, a gas-heated deicing assembly 3, a pump machine 4, a gas-heated anti-icing structural part 5, an air flow distribution device 6 and an airfoil structure 7. Wherein the content of the first and second substances,
the controller 1 is respectively connected with the airflow distribution device 6 and the pump machine 4 and sends ice preventing and removing signals to the airflow distribution device 6 and the pump machine 4; the controller 1 is also used to monitor the system operating state.
The anti-icing fluid tank 2 and the pump 4 are arranged in the vicinity of the leading edge 7 of the aircraft airfoil, and known anti-icing fluid tanks of suitable volume and pumps of suitable power may be used, the anti-icing fluid tank 2 and the pump 4 communicating for controlled spraying of the anti-icing fluid on the rear side of the specially treated leading edge 7 of the airfoil.
The airflow deicing assembly 3 is disposed on the inner/outer surface of a specially treated airfoil leading edge 7 and includes an air-heated deicing structure 5, an airflow distribution device 6 for controlled air-heated deicing proximate the leading edge line of the aircraft airfoil leading edge 7.
A plurality of micropores 8 are formed in the vicinity of the rear side of the airfoil leading edge of the aircraft airfoil leading edge 7 and used for spraying anti-icing liquid to the rear side of the airfoil leading edge 7.
At the transition position of the anti-icing liquid spraying area and the gas-heated deicing area, the upper surface and the lower surface of the airfoil leading edge 7 are in step-shaped step difference or uniform transition, and special treatment ensures that the airfoil shape of the whole surface of the airfoil leading edge 7 provided with the combined gas-heated anti-icing liquid anti-icing system is smooth, and the aerodynamic characteristics are less/not influenced.
In specific implementation, after the controller 1 receives an opening signal, the controller 1 sends a working signal to the airflow distribution device 6, and the airflow distribution device 6 provides hot air for the gas-heated anti-icing structural part 5 to heat the airfoil leading edge 7; the controller 1 simultaneously sends a working signal to the pump machine 4, and the pump machine 4 extracts the anti-icing liquid from the anti-icing liquid tank 2 and sprays the anti-icing liquid on the outer surface of the specially processed airfoil leading edge 7; on one hand, after the accumulated ice is formed on the leading edge 7 of the airfoil, the gas-heated anti-icing structural member 5 heats the front side of the leading edge 7 of the airfoil so as to melt the accumulated ice; on the other hand, the anti-icing fluid sprayed behind the airfoil leading edge 7 will rapidly combine with the melted water layer to form a liquid film for lowering the freezing point of the fluid, ensuring that no overflow ice is formed in the icing protection area and outside the protection area of the airfoil leading edge 7. In addition, a known proper anti-icing working time sequence is preset in the controller 1, and the combined type gas heating-anti-icing liquid anti-icing system works according to the preset time sequence until the controller 1 receives a closing signal.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (6)
1. A combined gas heating-anti-icing liquid anti-icing system is characterized by comprising: the device comprises a controller (1), an anti-icing liquid tank (2), a gas-heat anti-icing and anti-icing component (3), a pump (4) and an airfoil leading edge (7); wherein the content of the first and second substances,
a partition plate is arranged in the airfoil leading edge (7), and the gas-heated ice preventing and removing assembly (3) is arranged in a space formed by the airfoil leading edge (7) and the partition plate;
the upper surface and the lower surface of the airfoil leading edge (7) which are positioned behind the partition plate respectively comprise a sandwich structure, and a plurality of micropores (8) are formed in the outer surface of the sandwich structure; the pump (4) is respectively connected with the anti-icing liquid tank (2) and the sandwich structure; the anti-icing liquid is stored in the anti-icing liquid box (2);
the controller (1) is respectively and electrically connected with the gas-heated ice preventing and removing assembly (3) and the pump (4);
the controller (1) is used for receiving an on/off signal given by a system switch, and when the on signal is obtained, working signals are sent to the air-heating anti-icing and deicing assembly (3) and the pump (4), so that the air-heating anti-icing and deicing assembly (3) generates hot air to perform anti-icing and deicing on the front side of the airfoil leading edge (7) of the airplane, and the pump (4) extracts anti-icing liquid from the anti-icing liquid tank (2), sprays the anti-icing liquid to the interlayer structure and flows out of the micropores (8).
2. The system according to claim 1, characterized in that said aerothermic ice control module (3) comprises: a gas-heated anti-icing structure (5) and an air flow distribution device (6); wherein the content of the first and second substances,
the airflow distribution device (6) is used for generating hot air when receiving a working signal sent by the controller (1) and distributing the hot air to different areas of the airfoil leading edge (7) according to a preset procedure;
the gas-heat deicing structure (5) is arranged in front of the partition board and used for guiding the hot gas.
3. A system according to claim 1, characterized in that the pump (4) communicates with the sandwich structure through a plurality of pipes.
4. A system according to claim 1, wherein the pump (4) is mounted within the airfoil leading edge (7) and on the diaphragm trailing side.
5. The system according to claim 1, wherein the controller (1) is internally provided with a preset anti-icing timing sequence, and the combined gas heating and anti-icing liquid anti-icing system is operated according to the preset timing sequence until the controller (1) receives a closing signal.
6. The system according to claim 1, wherein the diameter of the micropores (8) is in the range of 0.01-2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022664312.6U CN213862689U (en) | 2020-11-17 | 2020-11-17 | Combined type gas heating-anti-icing liquid anti-icing and deicing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022664312.6U CN213862689U (en) | 2020-11-17 | 2020-11-17 | Combined type gas heating-anti-icing liquid anti-icing and deicing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213862689U true CN213862689U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022664312.6U Active CN213862689U (en) | 2020-11-17 | 2020-11-17 | Combined type gas heating-anti-icing liquid anti-icing and deicing system |
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| Country | Link |
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| CN (1) | CN213862689U (en) |
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- 2020-11-17 CN CN202022664312.6U patent/CN213862689U/en active Active
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