CN116345108A - Avionic signal receiving device - Google Patents
Avionic signal receiving device Download PDFInfo
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- CN116345108A CN116345108A CN202310627290.1A CN202310627290A CN116345108A CN 116345108 A CN116345108 A CN 116345108A CN 202310627290 A CN202310627290 A CN 202310627290A CN 116345108 A CN116345108 A CN 116345108A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/02—Arrangements for de-icing; Arrangements for drying-out ; Arrangements for cooling; Arrangements for preventing corrosion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/20—Resilient mountings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
Abstract
The invention discloses an avionic signal receiving device, which comprises a base, wherein the top of the base is provided with a mounting rod, an antenna is arranged on the mounting rod, a second telescopic pipe and a first telescopic pipe are sequentially arranged on the mounting rod from inside to outside, a sealing cavity is formed between the first telescopic pipe and the second telescopic pipe, an expansion piece is arranged in the second telescopic pipe, and the expansion piece is used for plugging the second telescopic pipe after expanding; the installation rod is also provided with a deicing component, and when the first telescopic pipe stretches axially along the installation rod, the first telescopic pipe can adjust the size of an included angle formed by the deicing component and the antenna; the top of the base is also provided with a pressure medium generating device and a liquid storage tank, the pressure medium generating device is respectively communicated with the sealing cavity and the expansion piece, and the liquid storage tank is communicated with the second telescopic pipe through a liquid discharge pipe. The invention can clear the frozen ice with different sizes on the antenna, and can intensively collect the melted water of the frozen ice on the antenna, thereby avoiding the situation that the melted water is secondarily condensed into ice.
Description
Technical Field
The invention relates to the technical field of avionic equipment, in particular to an avionic signal receiving device.
Background
The ADS-B technology is a novel aircraft monitoring technology developed in recent years, is an aircraft operation monitoring system based on GNSS satellite positioning and ground/air data link communication, and can achieve all-weather real-time communication because the communication is not affected by weather and topography. Compared with the traditional radar monitoring technology, the ADS-B has the obvious advantages of low use cost, small precision error, high data updating rate, strong monitoring capability and the like, and has wide application prospect for air traffic service in high-density flight areas, such as scene monitoring and the like. Based on the factors of low cost, easy installation, technical advancement and the like, the system becomes an important technical means for current air traffic monitoring. When the signal receiving device of the prior ADS-B equipment is used in a cold area, ice is condensed on the surface of an antenna, so that signal transmission damage is increased, emission power is reduced, meanwhile, the condensed ice scatters and absorbs electromagnetic waves in different intensity, antenna gain is greatly reduced, the effective radiation of signals is influenced, the antenna signal is received to a certain extent, the existing mode is to heat an ice layer condensed on the antenna after the heating wire is electrified, the aim of deicing the antenna is fulfilled, but water generated after the ice layer on the antenna is melted flows to a base under the action of gravity, and the melted water is re-condensed to be attached to the base under the cold condition, so that the condensed ice layer on the base is gradually increased, and finally, the area near the antenna is in a low-temperature state for a long time, so that the performances of all aspects of the antenna are influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and aims to provide an avionic signal receiving device which can clear the frozen ice with different sizes on an antenna, can collect the melted water in a concentrated way, and avoids the situation that the melted water is secondarily condensed into ice.
The invention is realized by the following technical scheme:
the avionic signal receiving device comprises a base, wherein the top of the base is provided with a mounting rod, an antenna is arranged on the mounting rod, a second telescopic pipe and a first telescopic pipe are sequentially arranged on the mounting rod from inside to outside, a sealing cavity is formed between the first telescopic pipe and the second telescopic pipe, an expansion piece is arranged in the second telescopic pipe, and the expansion piece is used for plugging the second telescopic pipe after expanding;
the mounting rod is also provided with a deicing component, and when the first telescopic tube stretches along the axial direction of the mounting rod, the first telescopic tube can adjust the size of an included angle formed by the deicing component and the antenna;
the top of base still is equipped with pressure medium generating device and liquid reserve tank, pressure medium generating device respectively with sealed cavity and expansion member intercommunication, the liquid reserve tank passes through the fluid-discharge tube and communicates with the flexible pipe of second.
Further, the deicing assembly comprises a fixed block, a movable plate and an electric heating wire;
the fixed block is fixed on the installation rod, the movable plate is connected with the fixed block through hinge, and the electric heating wire is fixed on the movable plate.
Further, the diameter of the fixed block is larger than the outer diameter of the antenna, and water leakage holes axially distributed along the mounting rod are formed in the fixed block.
Further, a connecting cylinder is arranged at the movable end of the second telescopic pipe, the connecting cylinder is sleeved on the mounting rod, and the movable end of the first telescopic pipe is connected with the connecting cylinder to form the sealing cavity;
the diameter of the connecting cylinder gradually increases towards the antenna direction to form a funnel shape.
Further, the expansion piece comprises a fixed cylinder, a movable cylinder and an annular air bag, wherein the fixed cylinder is fixed in the second telescopic pipe, the fixed cylinder is sleeved on the mounting rod, and a first annular groove is formed in the inner wall of the fixed cylinder;
the movable cylinder is sleeved on the mounting rod and is positioned in the fixed cylinder;
the circumference outer wall of the movable cylinder is provided with a second annular groove, and the annular air bag is fixed in the second annular groove;
the pressure medium generating device is communicated with the annular air bag, and the annular air bag can expand towards the first annular groove and fill a gap between the movable cylinder and the fixed cylinder.
Further, a sliding groove is further formed in the mounting rod, the sliding groove is axially distributed along the mounting rod, a sliding block is arranged in the sliding groove, and the sliding block is connected with the movable cylinder;
a connecting rod is also arranged between the movable cylinder and the fixed cylinder.
Further, a groove is further formed in the top of the mounting rod, and a first elastic piece, a third telescopic pipe with two ends of a closed structure, a fixing plate and an elastic rod are arranged in the groove;
one end of the first elastic piece is fixed at the inner bottom of the groove, and the other end of the first elastic piece is connected with the fixed plate;
the upper end of the third telescopic tube is fixed on the inner wall of the groove, and the other end of the third telescopic tube is connected with the fixed plate;
one end of the elastic rod is connected with the bottom of the antenna, and the other end of the elastic rod penetrates through the third telescopic tube and then is connected with the fixed plate;
the third telescopic pipe is connected with a pressure medium generating device.
Further, a spray head is arranged on the movable plate;
a mounting cylinder is further arranged in the first telescopic pipe, and a communication assembly communicated with the spray head through a connecting pipe is arranged in the mounting cylinder;
still be equipped with the third elastic component in the first flexible pipe, third elastic component one end is connected with first flexible pipe stiff end, and the other end is connected with the communication subassembly, when the third elastic component reaches the biggest deformation volume, the communication subassembly communicates first flexible pipe and connecting pipe.
Further, the communication assembly comprises a mounting cylinder which is fixed in the movable end of the first telescopic pipe;
the installation cylinder is internally provided with a second elastic piece and a movable block, the stiffness coefficient of the second elastic piece is larger than that of the third elastic piece, one end of the second elastic piece is connected with the movable block, and the other end of the second elastic piece is connected with the movable end of the first telescopic pipe;
the external diameter of movable block is unanimous with the internal diameter of installation section of thick bamboo, is equipped with the air inlet on the lateral wall of movable block towards installation section of thick bamboo direction, air inlet and connecting pipe intercommunication.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the invention, the movable plate can be pushed to rotate in the stretching process by using the first telescopic pipe and the second telescopic pipe, so that the inclination angle between the movable plate and the antenna is adjusted, the purpose of heating and removing the frozen ice with different sizes is fulfilled, and the movable plate can be automatically and dynamically adjusted in the gradual melting process of the frozen ice on the antenna, so that the heating wire can be always contacted with the frozen ice on the antenna, and the removing efficiency of the frozen ice on the antenna is improved;
2. when the heating wire is used for heating and removing the frozen ice on the antenna, water generated in the process of melting the frozen ice flows into the second telescopic pipe, after the frozen ice on the antenna is removed, the expansion piece is expanded by the aid of the pressure medium generating device, the movable end of the second telescopic pipe is sealed, and therefore when the first telescopic pipe is retracted to an initial state, the second telescopic pipe can be pulled to be compressed together, and finally water stored in the second telescopic pipe is pressed into the liquid storage tank, so that the frozen ice on the antenna is melted into water to be collected in a concentrated mode;
3. the elastic rod is extended out of the groove of the mounting rod under the combined action of the third telescopic pipe and the first elastic piece, and meanwhile, when the third elastic piece is stretched to the maximum deformation amount by the first telescopic pipe, the pressure gas introduced into the first telescopic pipe can be finally sprayed out of the spray head and acted on the antenna, so that the antenna can shake in a vertical plane, and further, the frozen ice melted to small blocks on the antenna can shake down, so that the purpose of cleaning the frozen ice on the antenna of the acceleration stack is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the portion A of FIG. 1 according to the present invention;
FIG. 4 is an enlarged schematic view of the portion B of FIG. 2 according to the present invention;
fig. 5 is an enlarged schematic view of the structure of the portion C in fig. 3 according to the present invention.
In the drawings, the reference numerals and corresponding part names:
1. an antenna; 2. a fixed block; 3. a connecting cylinder; 4. a movable plate; 5. heating wires; 6. a pressure medium generating device; 7. a first telescopic tube; 8. a third elastic member; 9. a mounting rod; 10. a second telescopic tube; 11. a liquid discharge pipe; 12. a liquid storage tank; 13. a base; 14. a connecting pipe; 15. a spray head; 16. a connecting rod; 17. a fixed cylinder; 18. an annular air bag; 19. a movable cylinder; 20. a slide block; 21. a chute; 22. a second elastic member; 23. a movable block; 24. a mounting cylinder; 25. a first elastic member; 26. a third telescopic tube; 27. an elastic rod; 28. a fixing plate; 29. an air inlet.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
As shown in fig. 1 to 5, the invention comprises a base 13, wherein a mounting rod 9 is arranged at the top of the base 13, an antenna 1 is arranged on the mounting rod 9, a second telescopic pipe 10 and a first telescopic pipe 7 are sequentially arranged on the mounting rod 9 from inside to outside, a sealing cavity is formed between the first telescopic pipe 7 and the second telescopic pipe 10, an expansion piece is arranged in the second telescopic pipe 10, and the expansion piece is used for plugging the second telescopic pipe 10 after expansion; the mounting rod 9 is also provided with a deicing component, and when the first telescopic tube 7 stretches axially along the mounting rod 9, the first telescopic tube 7 can adjust the included angle formed by the deicing component and the antenna 1; the top of the base 13 is also provided with a pressure medium generating device 6 and a liquid storage tank 12, the pressure medium generating device 6 is respectively communicated with the sealing cavity and the expansion piece, and the liquid storage tank 12 is communicated with the second telescopic pipe 10 through a liquid discharge pipe 11.
Aiming at the problem that when the signal receiving device of ADS-B equipment in the prior art is used in some cold areas, the surface of an antenna 1 is easy to condense with an ice layer, so that the transmission loss of the antenna 1 is increased, the transmitting power is reduced, the condensed ice generates different heat dissipation and absorption to electromagnetic waves, the directional function of the antenna is seriously damaged, the antenna gain is greatly reduced, the effective radiation of signals is influenced, the traditional mode is that heat is generated after the electric conduction of an electric heating wire 5, the ice layer on the antenna 1 is heated and melted, but the condensed ice flows onto a base 13 under the action of gravity after being melted into water, the water dispersed around the base 13 gradually re-condenses the layer ice under the cold weather condition, so that the thickness of the condensed ice on the base 13 is increased along with the continuous melting of the ice on the antenna 1, and the arranged mounting rod 9 has a certain diversion effect, so that the condensed ice on the base 13 gradually extends towards the direction of the antenna 1, and finally the condensed ice below the antenna 1 is gradually increased, thereby influencing the working performance of the antenna; meanwhile, the thickness of the ice formed by the antenna 1 is different under different conditions, the thickness of the ice is gradually reduced in the heating and melting process, and the normal position of a heating device on the existing antenna 1 is fixed, so that the melting efficiency of an ice layer on the antenna is lower, therefore, the second telescopic tube 10 is arranged on the existing mounting rod 9, the second telescopic tube 10 is sleeved on the mounting rod 9, the first telescopic tube 7 is sleeved outside the second telescopic tube 10, the lower end of the first telescopic tube 7 is fixed on the base 13, the lower end of the second telescopic tube 10 positioned in the first telescopic tube 7 is in sealing connection with the lower end of the first telescopic tube 7, and the movable ends of the first telescopic tube 7 and the second telescopic tube 10 are mutually connected to form a sealing cavity, when a certain pressure gas is introduced into the sealing cavity formed by the first telescopic tube 7 and the second telescopic tube 10, the first telescopic tube 7 can drive the second telescopic tube 10 to axially move along the mounting rod 9, the first telescopic tube 7 and the second telescopic tube 10 are changed in the vertical direction, and the dynamic angle between the first telescopic tube and the second telescopic tube 10 and the antenna 10 is adjusted to be larger than the first telescopic tube 1.
Specifically, when the ice layer is condensed on the surface of the antenna 1, the pressure medium generating device 6 is controlled to convey gas with certain pressure into a sealed cavity formed between the first telescopic pipe 7 and the second telescopic pipe 10, the first telescopic pipe 7 and the second telescopic pipe 10 are forced to stretch along the axial direction of the mounting rod 9 along with the continuous increase of the pressure gas, the deicing component is gradually pushed to rotate around the mounting rod 9 towards the antenna 1, the deicing component is finally contacted with the ice layer on the antenna 1, and after the deicing component is tightly contacted with the ice layer, the air pressure introduced into the sealed cavity between the first telescopic pipe 7 and the second telescopic pipe 10 cannot enable the first telescopic pipe 7 to continue stretching; then utilize deicing subassembly that sets up to heat the ice sheet on the antenna 1 and melt, when melting and make its thickness reduce gradually along with the ice on the antenna 1 gradually, let in the atmospheric pressure in the sealed cavity and continue to promote the stretching of first flexible pipe 7 and second flexible pipe 10, and then change the contained angle that forms between deicing subassembly and the antenna 1 for deicing subassembly can be along with the reduction dynamic adjustment of ice sheet thickness, guarantees deicing subassembly can with the ice sheet in close contact on the antenna 1, has improved deicing subassembly to the efficiency of antenna 1 deicing.
Aiming at the situation that water formed after melting an ice layer on an antenna cannot be well recycled, and the melted water is re-solidified into ice, an expansion piece is arranged in the second telescopic pipe 10 and is communicated with the pressure medium generating device 6, so that the pressure medium generating device 6 can introduce certain pressure gas into the expansion piece, the pressure gas enters the expansion piece and can force the expansion piece to gradually expand, and the movable end of the second telescopic pipe 10 is sealed, therefore, when the ice on the antenna 1 is melted by using the deicing component, the water formed after melting the ice flows into the second telescopic pipe 10 along the mounting rod 9, and the melted water is concentrated and stored by using the second telescopic pipe 10; after deicing the ice layer on the antenna 1, the pressure medium generating device 6 is utilized to introduce pressure gas into the expansion piece to force the expansion piece to expand and seal the second telescopic pipe 10, then the gas introduced into the first telescopic pipe 7 and the second telescopic pipe 10 is discharged to realize the purpose of decompressing a sealed cavity, so that the first telescopic pipe 7 pulls the second telescopic pipe 10 to shrink together in the process of shrinking back, and the upper end part of the second telescopic pipe 10 is in a sealed state at the moment, and the gas and water liquid in the second telescopic pipe 10 are difficult to compress, so that the melted water in the second telescopic pipe 10 is pressed into the liquid storage tank 12 through the liquid discharge pipe 11, and the melted water on the antenna 1 can be concentrated and stored by utilizing the liquid storage tank 12, thereby effectively avoiding the situation that the ice layer on the antenna 1 is scattered on the base 13 after melted into water, and the height of the frozen ice on the base 13 is gradually increased; and after the ice on the antenna 1 melts and flows into the second telescopic pipe 10, the density of water is greater than that of air, the obtained water is always at the lowest part of the second telescopic pipe 10, the liquid discharge pipe 11 is communicated with the bottom part of the second telescopic pipe 10, the upper end of the second telescopic pipe 10 is gradually retracted, and the air above the water stored in the second telescopic pipe 10 extrudes the water below, so that the water is stored into the liquid storage tank 12 preferentially through the liquid discharge pipe 11, the water in the second telescopic pipe 10 is ensured to be completely discharged into the liquid storage tank 12, and the condition that the water in the second telescopic pipe 10 is not completely discharged and is frozen in the second telescopic pipe 10 is avoided.
The pressure medium generating device 6 provided in this embodiment is an air pump, and can generate a certain pressure of air when in operation, and can pump back the air introduced into the expansion member and the sealed cavity formed between the first telescopic tube 7 and the second telescopic tube 10, so as to achieve the purpose of pressure relief.
The deicing assembly comprises a fixed block 2, a movable plate 4 and an electric heating wire 5; the fixed block 2 is fixed on the mounting rod 9, the movable plate 4 is connected with the fixed block 2 through a hinge, and the electric heating wire 5 is fixed on the movable plate 4.
The deicing component that sets up in this embodiment adopts the mode that produces heat to heat the ice on the antenna 1 after heating wire 5 circular telegram to clear away, specifically, when the first flexible pipe 7 of setting and second flexible pipe 10 are tensile along the installation pole 9 direction under the effect of pressure medium production device 6, the tip of the first flexible pipe 7 of setting acts on fly leaf 4, force fly leaf 4 round the articulated department rotation with fixed block 2, change the contained angle size that forms between fly leaf 4 and the antenna 1, follow the continued movement of first flexible pipe 7, promote fly leaf 4 and continue to rotate, reduce the contained angle that forms between fly leaf 4 and the antenna 1, the regulation of interval between heating wire 5 and the antenna 1 on the fly leaf 4 has been realized, therefore, in practical application, through the contained angle size that changes between fly leaf 4 and the antenna 1, can satisfy and heat the ice layer of setting on the antenna different thickness and melt, and along with the in-process that the ice layer on the antenna 1 melts gradually, the fly leaf 4 that sets up can dynamic adjustment with the distance of the ice layer on the antenna 1, the heat wire that the ice layer is guaranteed 5 can be laminated in the whole time with the antenna 5, thereby the efficiency can be improved to the antenna 5 on the ice layer is melted.
The first telescopic tube 7 and the second telescopic tube 10 which are arranged in the embodiment are corrugated tubes, and can be stretched along the axial direction of the first telescopic tube 7 and the second telescopic tube 10, so that when constant-pressure gas is introduced into a sealed cavity formed between the first telescopic tube 7 and the second telescopic tube 10 by using the arranged pressure medium generating device 6, the first telescopic tube 7 pushes the movable plate 4 to rotate around the hinge of the fixed block 2, after the electric heating wire 5 on the movable plate 4 is in contact with an ice layer on an antenna, the movable plate 4 cannot continuously rotate under the limitation of the ice layer, the electric heating wire 5 is electrified to heat and melt the ice layer, and after the thickness of the ice layer is reduced, the pressure medium generating device 6 can continuously introduce pressure gas into the sealed cavity, so that the movable first telescopic tube 7 and the second telescopic tube 10 are forced to continuously stretch, and the electric heating wire 5 on the movable plate 4 is pushed to continuously contact with the ice layer, and the electric heating wire 5 can be always ensured to be in contact with the ice layer on the antenna 1, and therefore, when the pressure medium generating device 6 works, the arranged first telescopic tube 7 and the second telescopic tube 10 can automatically adjust the position of the ice layer 5 according to the thickness of the antenna 1.
The diameter of the fixed block 2 is larger than the outer diameter of the antenna 1, and the fixed block 2 is provided with water leakage holes which are axially distributed along the mounting rod 9.
In this embodiment, in order to ensure that water generated after melting the ice layer on the antenna 1 can smoothly flow into the second telescopic tube 10, the fixed block 2 is prevented from blocking the water flowing downwards, so that the water leakage hole is formed in the fixed block 2, so that the melted water on the antenna 1 can flow through the water leakage hole and enter the second telescopic tube 10.
The movable end of the second telescopic tube 10 is provided with a connecting tube 3, the connecting tube 3 is sleeved on the mounting rod 9, and the movable end of the first telescopic tube 7 is connected with the connecting tube 3 to form the sealing cavity; the diameter of the connecting cylinder 3 gradually increases towards the antenna 1 to form a funnel shape.
In this embodiment, in order to ensure that the first telescopic tube 7 and the second telescopic tube 10 form a sealed cavity, and also ensure that the movable end of the second telescopic tube 10 can temporarily collect the ice layer on the antenna 1 after melting into water, a connecting tube 3 is disposed at the movable ends of the first telescopic tube 7 and the second telescopic tube 10, and a sealed cavity is formed between the first telescopic tube 7 and the second telescopic tube 10 by using the side wall of the connecting tube 3.
Meanwhile, in order to ensure that the designed connecting cylinder 3 can better collect water formed after ice is melted, the whole connecting cylinder 3 is funnel-shaped with small lower end and large upper end, so that water flowing down from the antenna 1 is ensured to smoothly enter the second telescopic tube 10 through the connecting cylinder 3.
The expansion piece comprises a fixed cylinder 17, a movable cylinder 19 and an annular air bag 18, wherein the fixed cylinder 17 is fixed in the second telescopic pipe 10, the fixed cylinder 17 is sleeved on the mounting rod 9, and a first annular groove is formed in the inner wall of the fixed cylinder 17; the movable cylinder 19 is sleeved on the mounting rod 9, and the movable cylinder 19 is positioned in the fixed cylinder 17; the circumference outer wall of the movable cylinder 19 is provided with a second annular groove, and the annular air bag 18 is fixed in the second annular groove; the pressure medium generating device 6 communicates with an annular balloon 18, the annular balloon 18 being able to expand in the direction of the first annular groove and to fill the gap between the movable cylinder 19 and the fixed cylinder 17.
In this embodiment, after a certain amount of pressure gas is filled into the annular air bag 18 by the pressure medium generating device 6, the annular air bag 18 is gradually inflated and enlarged in the second annular groove of the movable barrel 19 toward the first annular groove of the fixed barrel 17, and finally the annular air bag 18 is inflated and enlarged into the first annular groove, at this time, the annular air bag 18 in an inflated state is filled in a gap formed between the fixed barrel 17 and the movable barrel 19, and the gap is sealed, so that, in an initial state, the annular air bag 18 is in an unexpanded state, the gap formed between the fixed barrel 17 and the movable barrel 19 is in an opened state, and water generated after melting an ice layer on the antenna 1 enters into the second telescopic pipe 10 through the gap between the fixed barrel 17 and the movable barrel 19; when the ice layer on the antenna 1 is melted, gas with certain pressure is filled into the annular air bag 18 to expand the annular air bag, a gap between the fixed cylinder 17 and the movable cylinder 19 is filled and blocked, and the upper end of the second telescopic pipe 10 is in a sealed state, so that when the first telescopic pipe 7 is pulled to retract back, the second telescopic pipe 10 is compressed, air in the second telescopic pipe 10 extrudes water in the lower layer, and finally the water temporarily stored in the second telescopic pipe 10 is extruded into the liquid storage tank 12, thereby realizing centralized collection of the melted ice on the antenna 1, avoiding the situation that the melted ice cannot be well processed and the condensed ice is continuously condensed.
The mounting rod 9 is also provided with a sliding groove 21, the sliding groove 21 is axially distributed along the mounting rod 9, a sliding block 20 is arranged in the sliding groove 21, and the sliding block 20 is connected with the movable barrel 19; a connecting rod 16 is also arranged between the movable cylinder 19 and the fixed cylinder 17.
Since the second telescopic tube 10 is required to gradually move along the axial direction of the mounting rod 9 in the deicing process of the antenna 1, in order to ensure that the movable tube 19 arranged can move synchronously along with the movable end of the second telescopic tube 10 in the embodiment, a connecting rod 16 is further arranged between the movable tube 19 and the fixed tube 17, and the movable end of the second telescopic tube 10 can drive the movable tube 19 to move along with the movable end in the moving process by using the connecting rod 16, so that the movable tube 19 sleeved on the mounting rod 9 falls down under the action of self gravity when the annular air bag 18 is in an unexpanded state.
In this embodiment, in order to ensure that the movable cylinder 19 moves on the mounting rod 9 along the linear direction, the movable cylinder 19 is prevented from rotating around the axis of the mounting rod 9 in the moving process, so that the whole set second telescopic tube 10 is in a twisted state, and the stretching of the second telescopic tube 10 is affected, so that a sliding groove 21 is formed in the side wall of the mounting rod 9, a sliding block 20 matched with the sliding groove 21 is arranged in the sliding groove 21, the cross section size of the sliding block 20 is consistent with the cross section size of the sliding groove 21, the air tightness of the sliding block 20 at the sliding groove 21 is ensured, and the condition that gas in the second telescopic tube 10 leaks from the sliding groove 21 when the annular air bag 18 is in an expanded state is avoided.
The top of the mounting rod 9 is also provided with a groove, and a first elastic piece 25, a third telescopic tube 26 with two ends of a closed structure, a fixing plate 28 and an elastic rod 27 are arranged in the groove; one end of the first elastic piece 25 is fixed at the inner bottom of the groove, and the other end is connected with the fixed plate 28; the upper end of the third telescopic tube 26 is fixed on the inner wall of the groove, and the other end is connected with the fixed plate 28; one end of the elastic rod 27 is connected with the bottom of the antenna 1, and the other end of the elastic rod penetrates through the third telescopic tube 26 and then is connected with the fixed plate 28; the third bellows 26 is connected to the pressure medium generating device 6.
In the embodiment, in order to improve the efficiency of removing the ice layer attached to the antenna 1, when the ice layer is melted to a smaller state, the antenna 1 can be dithered, so that the antenna 1 can be forced to drop off from the antenna 1 in the process of dithering, ice blocks melted to small blocks on the antenna 1 can be forced to drop off from the antenna 1, the purpose of improving the efficiency of removing the ice layer on the antenna 1 is achieved, in order to achieve the purpose, the antenna 1 and the mounting rod 9 are not fixedly connected together, the bottom of the antenna 1 is stretched into the groove of the mounting rod 9 through the elastic rod 27, the upper end of the third telescopic tube 26 is fixed on the inner wall of the groove, the lower end of the third telescopic tube 26 can axially stretch along the mounting rod 9, in the initial state, the pressure medium generating device 6 is filled with a certain pressure gas into the third telescopic tube 26, so that the lower end of the third telescopic tube 26 is stretched downwards, the elastic rod 27 is pulled into the groove by the fixed plate 28, the elastic rod 27 is inflated into the third telescopic tube 26, the elastic rod is stretched into the elastic rod 25, the elastic rod is arranged under the condition of the first telescopic tube 25, and the elastic rod is stably arranged under the condition of the first telescopic tube 25, the elastic rod is arranged under the condition of the antenna 1; after the air introduced into the third telescopic pipe 26 is exhausted, the elastic force generated by the first elastic piece 25 pushes the fixing plate 28 to move upwards, and compresses the third telescopic pipe 26, so that the elastic rod 27 finally extends out of the groove, the upper half section of the elastic rod 27 extends out of the mounting rod 9, the elastic rod 27 is made of spring steel and has a certain elastic force, and therefore the antenna 1 is easy to bend under the action of the elastic rod 27, shake the antenna 1, shake the ice layer melted to a small block on the antenna 1, and achieve the purpose of accelerating the removal of the ice layer on the antenna 1.
After the ice layer on the antenna 1 is cleared, air is introduced into the third telescopic tube 26 by using the pressure medium generating device 6, the lower end of the third telescopic tube 26 is forced to stretch towards the direction of the first elastic piece 25, the elastic rod 27 is pulled by the third telescopic tube 26 to retract back into the groove of the mounting rod 9 in the stretching process, the first elastic piece 25 is compressed again, at the moment, the bottom end of the antenna 1 is contacted with the upper end of the mounting rod 9, and under the limitation of the upper end of the mounting rod 9, the situation that the antenna 1 is not easy to shake in the working process is ensured, so that the stability of the antenna 1 in working is ensured; after the air in the third telescopic tube 26 is exhausted, the elastic rod 27 is pushed to extend into the groove of the mounting rod 9 under the action of the first elastic member 25, and the lower end of the antenna 1 is not constrained by the upper end of the mounting rod 9, and the set elastic rod 27 is easy to deform, so that the antenna 1 is easy to shake, and the purpose of removing small ice blocks attached to the antenna 1 is achieved.
In order to ensure that the ice cubes which shake down from the antenna 1 cannot scatter everywhere, the situation that the ice cubes flow to the periphery after being melted into water occurs, the movable plates 4 arranged in the embodiment are a plurality of and distributed in an annular array around the axis of the mounting rod 9, the cone-shaped shape formed by the plurality of movable plates 4 can laterally block the ice cubes which fall down from the antenna 1, finally the ice cubes are enabled to be melted continuously on the movable plates 4, and the melted water flows into the second telescopic tube 10 under the guiding action of the movable plates 4, so that temporary storage of the melted ice cubes into water is achieved.
The movable plate 4 is also provided with a spray head 15; a mounting cylinder 24 is further arranged in the first telescopic pipe 7, and a communication assembly communicated with the spray head 15 through a connecting pipe 14 is arranged in the mounting cylinder 24; still be equipped with third elastic component 8 in the first flexible pipe 7, third elastic component 8 one end is connected with first flexible pipe 7 stiff end, and the other end is connected with the intercommunication subassembly, when third elastic component 8 reaches the maximum deformation volume, the intercommunication subassembly communicates first flexible pipe 7 with connecting pipe 14.
In this embodiment, in order to automatically shake the antenna 1, a nozzle 15 is disposed on a panel of one movable plate 4 facing the direction of the antenna 1, and the nozzle 15 is connected with the communication assembly through a connecting pipe 14, so that when the pressure medium generating device 6 introduces air into a sealed cavity formed between the first telescopic pipe 7 and the second telescopic pipe 10, the first telescopic pipe 7 is axially stretched along the mounting rod 9, the third elastic member 8 positioned in the first telescopic pipe 7 is gradually stretched, in the process, the first telescopic pipe 7 pushes the movable plate 4 to rotate on the fixed block 2 in the process of gradual stretching, the size of an included angle between the movable plate 4 and the antenna 1 is adjusted, the electric heating wire 5 on the movable plate 4 is ensured to be in contact with an ice layer on the antenna 1, and when the included angle formed between the movable plate 4 and the antenna 1 reaches 8 degrees, the third elastic member 8 is at the maximum deformation at this time, as the pressure medium generating device 6 continues to introduce the pressure gas into the first telescopic tube 7, the first telescopic tube 7 communicates the communicating component with the connecting tube 14 in the process of continuing to stretch, therefore, the gas introduced into the first telescopic tube 7 by the pressure medium generating device 6 enters into the connecting tube 14 through the communicating component, the pressure gas finally acts on the upper section of the antenna 1 from the nozzle 15, the elastic rod 27 is bent under the action of the elastic rod 27, after stopping introducing the pressure gas into the first telescopic tube 7, the first telescopic tube 7 is pulled to retract under the action of the third elastic member 8, so that the communicating component is disconnected from the connecting tube 14, the antenna 1 swings under the action of the elastic rod 27 after removing the action of the pressure gas, thereby shaking ice cubes melted to small blocks on the antenna 1 are dropped, so as to achieve the purpose of accelerating the removal of the ice condensation on the antenna 1.
The communication assembly comprises a mounting cylinder 24, wherein the mounting cylinder 24 is fixed in the movable end of the first telescopic pipe 7; the second elastic piece 22 and the movable block 23 are arranged in the mounting cylinder 24, the stiffness coefficient of the second elastic piece 22 is larger than that of the third elastic piece 8, one end of the second elastic piece 22 is connected with the movable block 23, and the other end is connected with the movable end of the first telescopic pipe 7; the outer diameter of the movable block 23 is consistent with the inner diameter of the mounting cylinder 24, the side wall of the movable block 23 facing the mounting cylinder 24 is provided with an air inlet 29, and the air inlet 29 is communicated with the connecting pipe 14.
In the initial state of the communication assembly in this embodiment, since the elastic force of the second elastic member 22 is far greater than the elastic force of the third elastic member 8, the movable block 23 is pulled by the elastic force of the second elastic member 22 to be positioned in the mounting cylinder 24, at this time, the air inlet 29 is in a sealed state under the action of the mounting cylinder 24, and when the first telescopic tube 7 is stretched, the third elastic member 8 is preferentially stretched inward, and when the third elastic member 8 is stretched to the maximum deformation, the movable block 23 positioned in the mounting cylinder 24 is pulled by the third elastic member 8 to move in the process of continuing to stretch the first telescopic tube 7, finally, the air inlet 29 on the side wall of the movable block 23 extends out of the mounting cylinder 24, at this time, the air inlet 29 on the movable block 23 communicates the first telescopic tube 7 with the connecting tube 14, so that the air entering the first telescopic tube 7 by the pressure medium generating device 6 is transferred into the connecting tube 14 through the air inlet 29, and then the pressure air acts on the surface of the antenna 1 from the nozzle 15, and the antenna 1 is blown to swing.
When the pressure medium generating device 6 is utilized to instantly release a part of the pressure gas in the first telescopic pipe 7, the pressure in the first telescopic pipe 7 is reduced, the movable block 23 is pulled to retract into the mounting cylinder 24 again under the action of the second elastic piece 22, the air inlet 29 is in resealing, and the air pressure of the spray head 15 acting on the antenna 1 is removed, so that the antenna 1 in a deflection state swings under the action of the elastic rod 27, and the purpose of eliminating ice cubes by shaking the antenna 1 is realized.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The avionic signal receiving device comprises a base (13), wherein a mounting rod (9) is arranged at the top of the base (13), and an antenna (1) is arranged on the mounting rod (9), and the avionic signal receiving device is characterized in that a second telescopic pipe (10) and a first telescopic pipe (7) are sequentially arranged on the mounting rod (9) from inside to outside, a sealing cavity is formed between the first telescopic pipe (7) and the second telescopic pipe (10), an expansion piece is arranged in the second telescopic pipe (10), and the expansion piece is used for plugging the second telescopic pipe (10) after being expanded;
the mounting rod (9) is also provided with a deicing component, and when the first telescopic tube (7) stretches along the axial direction of the mounting rod (9), the first telescopic tube (7) can adjust the included angle formed by the deicing component and the antenna (1);
the top of base (13) still is equipped with pressure medium and produces device (6) and liquid reserve tank (12), pressure medium produces device (6) respectively with sealed cavity and expansion member intercommunication, liquid reserve tank (12) are through fluid-discharge tube (11) and second flexible pipe (10) intercommunication.
2. Avionics signal receiving device according to claim 1, characterized in that the deicing assembly comprises a fixed block (2), a movable plate (4) and heating wires (5);
the fixed block (2) is fixed on the mounting rod (9), the movable plate (4) is connected with the fixed block (2) through hinging, and the electric heating wire (5) is fixed on the movable plate (4).
3. Avionic signal receiving device according to claim 2, characterized in that the diameter of the fixed block (2) is larger than the outer diameter of the antenna (1), and that the fixed block (2) is provided with water leakage holes distributed axially along the mounting rod (9).
4. An avionic signal receiving device according to claim 1, characterized in that the movable end of the second telescopic tube (10) is provided with a connecting tube (3), the connecting tube (3) is sleeved on the mounting rod (9), and the movable end of the first telescopic tube (7) is connected with the connecting tube (3) and forms the sealed cavity;
the diameter of the connecting cylinder (3) gradually increases towards the antenna (1) to form a funnel shape.
5. An avionic signal receiving device according to claim 1, characterized in that the expansion element comprises a fixed cylinder (17), a movable cylinder (19) and an annular air bag (18), the fixed cylinder (17) is fixed inside the second telescopic tube (10), the fixed cylinder (17) is sleeved on the mounting rod (9), and a first annular groove is arranged on the inner wall of the fixed cylinder (17);
the movable cylinder (19) is sleeved on the mounting rod (9), and the movable cylinder (19) is positioned in the fixed cylinder (17);
the circumference outer wall of the movable cylinder (19) is provided with a second annular groove, and the annular air bag (18) is fixed in the second annular groove;
the pressure medium generating device (6) is communicated with an annular air bag (18), and the annular air bag (18) can expand towards the first annular groove direction and fill a gap between the movable cylinder (19) and the fixed cylinder (17).
6. An avionic signal receiving device according to claim 5, characterized in that the mounting rod (9) is further provided with a sliding groove (21), the sliding groove (21) is axially distributed along the mounting rod (9), a sliding block (20) is arranged in the sliding groove (21), and the sliding block (20) is connected with the movable barrel (19);
a connecting rod (16) is arranged between the movable cylinder (19) and the fixed cylinder (17).
7. An avionic signal receiving device according to claim 1, characterized in that the top of the mounting bar (9) is further provided with a groove, in which a first elastic member (25), a third telescopic tube (26) with two ends of a closed structure, a fixing plate (28) and an elastic bar (27) are arranged;
one end of the first elastic piece (25) is fixed at the inner bottom of the groove, and the other end of the first elastic piece is connected with the fixed plate (28);
the upper end of the third telescopic tube (26) is fixed on the inner wall of the groove, and the other end of the third telescopic tube is connected with the fixed plate (28);
one end of the elastic rod (27) is connected with the bottom of the antenna (1), and the other end of the elastic rod penetrates through the third telescopic tube (26) and then is connected with the fixed plate (28);
the third bellows (26) is connected to the pressure medium generating device (6).
8. Avionic signal receiving device according to claim 2, characterized in that the mobile plate (4) is further provided with a nozzle (15);
a mounting cylinder (24) is further arranged in the first telescopic pipe (7), and a communication assembly communicated with the spray head (15) through a connecting pipe (14) is arranged in the mounting cylinder (24);
still be equipped with third elastic component (8) in first flexible pipe (7), third elastic component (8) one end is connected with first flexible pipe (7) stiff end, and the other end is connected with the intercommunication subassembly, when third elastic component (8) reach the biggest deformation volume, intercommunication subassembly communicates first flexible pipe (7) and connecting pipe (14).
9. An avionic signal receiving device according to claim 8, characterised in that the communication assembly comprises a mounting cylinder (24), the mounting cylinder (24) being fixed in the movable end of the first telescopic tube (7);
a second elastic piece (22) and a movable block (23) are arranged in the mounting cylinder (24), the stiffness coefficient of the second elastic piece (22) is larger than that of the third elastic piece (8), one end of the second elastic piece (22) is connected with the movable block (23), and the other end of the second elastic piece is connected with the movable end of the first telescopic pipe (7);
the external diameter of the movable block (23) is consistent with the internal diameter of the mounting cylinder (24), an air inlet (29) is arranged on the side wall of the movable block (23) facing the direction of the mounting cylinder (24), and the air inlet (29) is communicated with the connecting pipe (14).
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| CN202310627290.1A CN116345108B (en) | 2023-05-31 | 2023-05-31 | Avionic signal receiving device |
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| CN202310627290.1A CN116345108B (en) | 2023-05-31 | 2023-05-31 | Avionic signal receiving device |
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| CN116345108B CN116345108B (en) | 2023-08-01 |
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