CN117239392A - Ceramic antenna structure applied to high-temperature environment - Google Patents
Ceramic antenna structure applied to high-temperature environment Download PDFInfo
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- CN117239392A CN117239392A CN202311233422.9A CN202311233422A CN117239392A CN 117239392 A CN117239392 A CN 117239392A CN 202311233422 A CN202311233422 A CN 202311233422A CN 117239392 A CN117239392 A CN 117239392A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 148
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 7
- 238000005476 soldering Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008054 signal transmission Effects 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The application relates to a ceramic antenna structure applied to a high-temperature environment, which comprises the following components: the first ceramic antenna array comprises a ceramic shell, an antenna main silver plate and a reflecting silver plate, wherein the antenna main silver plate is arranged on the ceramic shell in a erecting mode; the metal shaft is simultaneously arranged on the antenna main silver plate, the ceramic shell and the reflecting silver plate in a penetrating way, and an anti-falling washer nut is arranged below the reflecting silver plate and is used for fixing the metal shaft; the second ceramic antenna array is arranged inside the ceramic shell and is arranged below the anti-falling washer nut; the external radio frequency connector is arranged below the second ceramic antenna array and is used for receiving external radio frequency signals; the heat shield is arranged outside the first ceramic antenna array and the second ceramic antenna array and used for protecting the first ceramic antenna array and the second ceramic antenna array; and the fixing assembly is arranged on the outer side of the heat shield and is used for fixing the heat shield and the external radio frequency connector. The application has the advantages that the ceramic antenna array can be applied to high-temperature environments under common conditions and at proper cost.
Description
Technical Field
The application relates to the field of ceramic antennas, in particular to a ceramic antenna structure applied to a high-temperature environment.
Background
The ceramic antenna is an antenna with a reading distance of 2 meters, and is called a short-distance antenna because of a short reading distance. The ceramic antenna is an industrial product used indoors, adopts a ceramic shell, and has the capabilities of resisting interference, lightning and water and dust. When the ceramic antenna is used on a missile, the ceramic antenna's horn will induce a high temperature of about 300 c during the period of actual use.
Because the ceramic antenna array is generally formed by simultaneously penetrating metal columns on the antenna main silver surface, the ceramic shell and the reflecting silver surface, all the components are fixedly conducted through a soldering process, and are connected to an external radio-frequency connector through a radio-frequency cable assembly, the radio-frequency cable assembly also needs to use the soldering process during connection.
However, the solder in the soldering process has a melting temperature of about 220 ℃ and melts at an ambient high temperature of 300 ℃, so that the soldering process cannot be used. If high-temperature welding is used instead, the high-temperature welding temperature can resist the high-temperature environment of 300 ℃, but the high-temperature welding requirement condition is higher, the cost is higher, and the ceramic antenna array can not be widely popularized and used for the production of the ceramic antenna array.
Disclosure of Invention
In order to enable the ceramic antenna array to be applied to a high-temperature environment under the common conditions and at proper cost, the application provides a ceramic antenna structure applied to the high-temperature environment.
The ceramic antenna structure applied to the high-temperature environment provided by the application adopts the following technical scheme:
a ceramic antenna structure for use in a high temperature environment, comprising:
the first ceramic antenna array comprises a ceramic shell, an antenna main silver plate and a reflecting silver plate, wherein the antenna main silver plate is arranged on the ceramic shell in a erecting mode;
the metal shaft is simultaneously arranged on the antenna main silver plate, the ceramic shell and the reflecting silver plate in a penetrating way, and an anti-falling washer nut is arranged below the reflecting silver plate and is used for fixing the metal shaft;
the second ceramic antenna array is arranged inside the ceramic shell and is arranged below the anti-falling washer nut;
the external radio frequency connector is arranged below the second ceramic antenna array and is used for receiving external radio frequency signals;
the heat shield is arranged outside the first ceramic antenna array and the second ceramic antenna array and used for protecting the first ceramic antenna array and the second ceramic antenna array;
and the fixing assembly is arranged on the outer side of the heat shield and is used for fixing the heat shield and the external radio frequency connector.
Through adopting above-mentioned technical scheme, during the installation, wear to establish metal shaft simultaneously on antenna owner silver plate, ceramic casing and reflecting silver plate, then screw anti-disengaging washer nut and fix the metal shaft, install second ceramic antenna array and outside radio frequency connector in proper order then, establish outside first ceramic antenna array and second ceramic antenna array with the heat exchanger cover again, use fixed subassembly to fix outside radio frequency connector and heat exchanger, the setting of metal shaft is fixed first ceramic antenna array, thereby need not carry out the soldering technology again, and under the centre gripping of heat exchanger, under general condition and suitable cost, can be applied to high temperature scene.
Optionally, the fixed subassembly is including installing a plurality of fixed columns on the heat exchanger outer wall, and a plurality of fixed columns divide into a set of pairwise, and every fixed column of group sets up with the axis symmetry of heat exchanger, is connected with the connecting wire on the fixed column, and the connecting wire is from the fixed column below through outside radio frequency connector until symmetrical fixed column, the bottom inseparable butt of connecting wire and outside radio frequency connector.
Through adopting above-mentioned technical scheme, during the installation, install outside radio frequency connector earlier, rethread connecting wire is fixed outside radio frequency connector, and the both ends of connecting wire are connected with the fixed column at last to fix outside radio frequency connector and heat exchanger simultaneously, increased the holistic structural strength of antenna array.
Optionally, the connection line is a connection line of a high temperature resin material.
Through adopting above-mentioned technical scheme, the connecting wire is selected for high temperature resin material, avoids leading to unable fixed of outside radio frequency connector and heat exchanger under the environment of high temperature, and then outside radio frequency connector can't receive and transmit the signal, and the heat exchanger can't be fine insulates against heat to influence the use of antenna array.
Optionally, a plurality of observation windows are formed in the heat shield, and the plurality of observation windows are symmetrically formed with respect to the heat shield.
Through adopting above-mentioned technical scheme, the setting of observation window can guarantee the signal transmission and the receipt of antenna array, guarantees simultaneously to the protection of antenna array, and the observation window symmetry is offered and is convenient for observe the inside condition of heat exchanger from both sides to in time adjust the position of heat exchanger, and do not produce the influence to fixed position of fixed subassembly.
Optionally, the cross section of the heat shield is triangle-shaped, and the shape of seting up of observation window is trapezoidal, and the window wall that the observation window is close to the heat shield top is shorter than the window wall that keeps away from the heat shield top.
Through adopting above-mentioned technical scheme, the cross-section of heat exchanger sets up to triangle-shaped and makes the internal volume of heat exchanger less, and the shape setting of observation window is in radiating while guaranteeing thermal-insulated effect as far as possible, can make the whole function through the transmission and the receipt that can carry out the signal.
Optionally, the heat shield is internally provided with a heat insulation cover, the heat insulation cover is arranged outside the first ceramic antenna array, the cross section of the heat insulation cover is semicircular, and a dislocation groove which is arranged in dislocation with the observation window is formed in the heat insulation cover Wen Zhaoshang.
Through adopting above-mentioned technical scheme, in order to avoid the setting of observation window to cause the inefficacy of thermal-insulated function, but must guarantee the holistic signal transmission of antenna array and the function of receiving again, so be provided with the thermal-insulated cover in inside again, dislocation groove and observation window dislocation set up not only can ensure the holistic signal transmission of antenna array and the function of receiving, still guaranteed the omnidirectional effect of insulating against heat simultaneously.
Optionally, the second ceramic antenna array comprises a ceramic array arranged at the bottom of the anti-falling washer nut and a fixing bolt penetrating through the bottom of the ceramic array, and the fixing bolt is connected with an external radio frequency connector.
Through adopting above-mentioned technical scheme, the second ceramic antenna array is set up in the inside of first ceramic antenna array, will increase the holistic transmission of antenna array and the ability of received signal, avoid the setting of heat exchanger to produce great influence to the transmission and the receipt of the holistic signal of antenna array, make it heat-insulated while, can keep the use of basic function.
Optionally, an array mounting plate is arranged between the external radio frequency connector and the ceramic array, and the ceramic shell is mounted on the array mounting plate.
Through adopting above-mentioned technical scheme, during the installation, install ceramic array and fixing bolt of second ceramic antenna array on the array mounting panel earlier, install outside radio frequency connector in the below of array mounting panel again to make ceramic antenna's overall structure more stable, each partial structure of rethread installation first ceramic antenna array, with the array mounting panel with second ceramic antenna array inclusion inside.
Optionally, a standby wire is arranged between the antenna main silver plate and the ceramic shell, and a placing groove for placing the standby wire is formed in the ceramic shell.
Through adopting above-mentioned technical scheme, during the installation, place stand-by antenna in the standing groove earlier, place antenna owner silver plate at ceramic shell again, link together through the metal axle at last, stand-by antenna's setting makes when the antenna causes the damage, can screw the anticreep packing ring nut, takes off the metal axle, takes out the stand-by wire in the standing groove and replaces.
Optionally, the shape of the spare wire in the placement groove is a bending and folding arrangement.
Through adopting above-mentioned technical scheme, reserve electric wire sets up to crooked folding in the standing groove and makes the length of placing of reserve electric wire in the standing groove longest, promotes the utilization ratio to the standing groove space for if the antenna causes when damaging, can change the antenna in the first time, and do not cause the influence to the installation of first ceramic antenna array.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through setting up first ceramic antenna array, ceramic shell, antenna main silver plate, reflecting silver plate, metal shaft, anticreep packing ring nut, second ceramic antenna array, heat exchanger, outside radio frequency connector and fixed subassembly, during the installation, wear the metal shaft to establish simultaneously on antenna main silver plate, ceramic shell and reflecting silver plate, then screw anticreep packing ring nut and fix the metal shaft, then install second ceramic antenna array and outside radio frequency connector in proper order, set up outside first ceramic antenna array and second ceramic antenna array with the heat exchanger again, use fixed subassembly to fix outside radio frequency connector and heat exchanger, the setting of metal shaft is fixed first ceramic antenna array, thereby no longer need carry out soldering technology, and under the centre gripping of heat exchanger, under general condition and suitable cost, can be applied to the high temperature scene;
2. through setting up fixed column and connecting wire, during the installation, firstly install outside radio frequency connector, then fix outside radio frequency connector through the connecting wire, the both ends of connecting wire are connected with the fixed column at last to fix outside radio frequency connector and heat exchanger simultaneously, increased antenna array holistic structural strength;
3. through having set up observation window, thermal insulation cover and dislocation groove, the cross-section of thermal insulation cover sets up to triangle-shaped and makes the internal volume of thermal insulation cover less, can be better dispel the heat, and the shape setting of observation window is guaranteeing thermal-insulated effect when as far as possible, can make the whole function through the transmission and the receipt that can carry out the signal of antenna array. The arrangement of the observation windows can ensure the signal emission and the signal receiving of the antenna array, simultaneously ensure the protection of the antenna array, and the observation windows are symmetrically arranged so as to be convenient for observing the condition inside the heat shield from two sides, adjust the position of the heat shield in time and have no influence on the fixed position of the fixed component; in order to avoid the failure of the heat insulation function caused by the arrangement of the observation window, but the function of transmitting and receiving the whole signal of the antenna array must be ensured, a heat insulation cover is arranged inside the antenna array, and the dislocation groove and the observation window are arranged in a dislocation manner, so that the function of transmitting and receiving the whole signal of the antenna array can be ensured, and the omnibearing heat insulation effect is ensured.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Fig. 2 is a schematic cross-sectional structure of the present application.
Fig. 3 is a partial schematic structural view for showing the shape of the arrangement of the spare electric wire of the present application.
Reference numerals illustrate: 1. a first ceramic antenna array; 11. a ceramic housing; 12. an antenna main silver plate; 13. a reflective silver plate; 2. a metal shaft; 3. an anti-drop washer nut; 4. a second ceramic antenna array; 41. ceramic matrix; 42. a fixing bolt; 5. a heat shield; 6. an external radio frequency connector; 7. a fixing assembly; 71. fixing the column; 72. a connecting wire; 8. an observation window; 9. a thermal insulation cover; 10. a dislocation groove; 14. an array mounting plate; 15. a spare wire; 16. and (5) placing a groove.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
The embodiment of the application discloses a ceramic antenna structure applied to a high-temperature environment.
Referring to fig. 1 and 2, a ceramic antenna structure applied to a high temperature environment includes a first ceramic antenna array 1, a second ceramic antenna array 4 disposed inside the first ceramic antenna array 1, a heat shield 5 covering the outside of the first ceramic antenna array 1 and the second ceramic antenna array 4, an external radio frequency connector 6 disposed below the second ceramic antenna array 4, and a fixing component 7 disposed outside the heat shield 5 to fix the heat shield 5 and the external radio frequency connector 6, wherein the first ceramic antenna array 1 includes a ceramic housing 11, an antenna main silver plate 12 erected on the ceramic housing 11, and a reflective silver plate 13 disposed inside the ceramic housing 11, a metal shaft 2 is simultaneously penetrated on the antenna main silver plate 12, the ceramic housing 11, and the reflective silver plate 13, an anti-drop washer nut 3 is disposed under the reflective silver plate 13, and the anti-drop washer nut 3 is used for fixing the metal shaft 2; the second ceramic antenna array 4 is arranged inside the ceramic shell 11 and is arranged below the anti-falling washer nut 3.
During installation, the metal shaft 2 is simultaneously penetrated on the antenna main silver plate 12, the ceramic shell 11 and the reflecting silver plate 13, then the anti-drop washer nut 3 is screwed to fix the metal shaft 2, then the second ceramic antenna array 4 and the external radio frequency connector 6 are sequentially installed, the heat shield 5 is sleeved outside the first ceramic antenna array 1 and the second ceramic antenna array 4, the external radio frequency connector 6 and the heat shield 5 are fixed by using the fixing component 7, the first ceramic antenna array 1 is fixed by the arrangement of the metal shaft 2, so that a soldering process is not needed, and under the clamping of the heat shield 5, the heat shield can be applied to a high-temperature scene under the general conditions and at proper cost.
The second ceramic antenna array 4 comprises a ceramic array 41 arranged at the bottom of the anti-falling washer nut 3 and a fixing bolt 42 penetrating through the bottom of the ceramic array 41, and the fixing bolt 42 is fixedly connected with the external radio frequency connector 6. The second ceramic antenna array 4 is arranged in the first ceramic antenna array 1, so that the capacity of transmitting and receiving signals of the whole antenna array is increased, the heat shield 5 is prevented from greatly influencing the transmission and the reception of the whole antenna array signals, and the heat shield can be used for keeping basic functions while insulating heat.
Referring to fig. 1 and 2, the fixing unit 7 includes a plurality of fixing posts 71 mounted on the outer wall of the heat shield 5, and the present application is illustrated by taking two fixing posts 71 as an example, the two fixing posts 71 are symmetrically disposed about the axis of the heat shield 5, and the connecting wires 72 are connected to the fixing posts 71, and if a plurality of fixing posts 71 are disposed so that a plurality of connecting wires 72 can be disposed, the connecting wires 72 are disposed as vertically as possible. The connection line 72 is selected from the connection lines 72 made of a high-temperature resin material. The connecting wire 72 passes from the fixing post 71 to the symmetrical fixing post 71 under the external radio frequency connector 6, and the connecting wire 72 is closely abutted with the bottom of the external radio frequency connector 6. The connecting wire 72 is also mounted on the metal shaft 2, and simultaneously the metal shaft 2 and the better fixing post 71 at the bottom of the anti-falling washer nut 3.
The connecting wire 72 is made of high-temperature resin material, so that the situation that the external radio frequency connector 6 and the heat shield 5 cannot be fixed in a high-temperature environment is avoided, and then the external radio frequency connector 6 cannot receive and transmit signals, the heat shield 5 cannot well insulate heat, and the use of an antenna array is affected. During installation, the external radio frequency connector 6 is installed firstly, the external radio frequency connector 6 is fixed through the connecting wire 72, and finally two ends of the connecting wire 72 are connected with the fixing columns 71, so that the external radio frequency connector 6 and the heat shield 5 are fixed simultaneously, and the overall structural strength of the antenna array is improved.
The heat shield 5 has a triangular cross section, and a plurality of observation windows 8 are formed in the heat shield 5. The present application is illustrated by taking two heat insulating windows as an example, and two observation windows 8 are symmetrically opened with respect to the heat insulating cover 5. The observation window 8 is provided with a trapezoid shape, and the window wall of the observation window 8 close to the top of the heat shield 5 is shorter than the window wall far from the top of the heat shield 5.
The cross section of the heat shield 5 is set to be triangle-shaped so that the internal volume of the heat shield 5 is smaller, heat dissipation can be better carried out, and the shape of the observation window 8 is set to ensure the heat insulation effect as far as possible while heat dissipation, so that the whole antenna array can transmit and receive signals. The setting of observation window 8 can guarantee the signal transmission and the receipt of antenna array, guarantees simultaneously to the protection of antenna array, and the observation window 8 symmetry is offered and is convenient for observe the inside condition of heat exchanger 5 from both sides to in time adjust the position of heat exchanger 5, and do not exert an influence to fixed position of fixed subassembly 7.
Referring to fig. 1 and 2, a heat insulation cover 9 is arranged inside the heat insulation cover 5, the heat insulation cover 9 is fixed outside the first ceramic antenna array 1, the cross section of the heat insulation cover 9 is semicircular, and a dislocation groove 10 which is arranged in a dislocation manner with the observation window 8 is formed in the heat insulation cover 9. In order to avoid the failure of the heat insulation function caused by the arrangement of the observation window 8, but the function of transmitting and receiving the whole signal of the antenna array must be ensured, a heat insulation cover 9 is arranged inside the antenna array, and the dislocation groove 10 and the observation window 8 are arranged in a dislocation manner, so that the function of transmitting and receiving the whole signal of the antenna array can be ensured, and meanwhile, the omnibearing heat insulation effect is ensured.
An array mounting plate 14 is arranged between the external radio frequency connector 6 and the ceramic array 41, and the ceramic shell 11 is mounted on the array mounting plate 14. During installation, the ceramic array 41 and the fixing bolts 42 of the second ceramic antenna array are firstly installed on the array installation plate 14, and then the external radio frequency connector 6 is installed below the array installation plate 14, so that the overall structure of the ceramic antenna is more stable, and the second ceramic antenna array 4 is contained inside the array installation plate 14 through installing all part structures of the first ceramic antenna array 1.
Referring to fig. 2 and 3, a standby wire 15 is disposed between the antenna main silver plate 12 and the ceramic housing 11, and a placement groove 16 for placing the standby wire 15 is formed in the ceramic housing 11. The spare wire 15 is provided in a bent folded shape in the placement groove 16.
During installation, the standby antenna is placed in the placing groove 16, the antenna main silver plate 12 is placed in the ceramic shell 11, and finally the metal shaft 2 is connected together, so that the anti-falling washer nut 3 can be screwed when the antenna is damaged due to the arrangement of the standby antenna, the metal shaft 2 is taken down, and the standby wire 15 in the placing groove 16 is taken out for replacement. The stand-by wire 15 sets up to crooked folding in standing groove 16 and makes the length of standing wire 15 in the standing groove 16 place for longest, promotes the utilization ratio to the standing groove 16 space for if the antenna causes when damaging, can change the antenna in the first time, and does not cause the influence to the installation of first ceramic antenna array 1.
The implementation principle of the ceramic antenna structure applied to the high-temperature environment in the embodiment of the application is as follows: during installation, the standby antenna is placed in the placing groove 16, the antenna main silver plate 12 is placed in the ceramic shell 11, and finally the metal shaft 2 is connected together, so that the anti-falling washer nut 3 can be screwed when the antenna is damaged due to the arrangement of the standby antenna, the metal shaft 2 is taken down, and the standby wire 15 in the placing groove 16 is taken out for replacement. The metal shaft 2 is simultaneously penetrated on the antenna main silver plate 12, the ceramic shell 11 and the reflecting silver plate 13, then the anti-falling washer nut 3 is screwed to fix the metal shaft 2, then the second ceramic antenna array 4 and the external radio frequency connector 6 are sequentially installed, the ceramic array 41 and the fixing bolt 42 of the second ceramic antenna array are installed on the array mounting plate 14, the external radio frequency connector 6 is installed below the array mounting plate 14, the external radio frequency connector 6 is fixed through the connecting wire 72, and finally the two ends of the connecting wire 72 are connected with the fixing column 71, so that the external radio frequency connector 6 and the heat shield 5 are simultaneously fixed.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. The utility model provides a be applied to ceramic antenna structure under high temperature environment which characterized in that: comprising the following steps:
the first ceramic antenna array (1) comprises a ceramic shell (11), an antenna main silver plate (12) erected on the ceramic shell (11) and a reflecting silver plate (13) arranged in the ceramic shell (11);
the metal shaft (2) is arranged on the antenna main silver plate (12), the ceramic shell (11) and the reflecting silver plate (13) in a penetrating mode, an anti-falling washer nut (3) is arranged below the reflecting silver plate (13), and the anti-falling washer nut (3) is used for fixing the metal shaft (2);
the second ceramic antenna array (4) is arranged inside the ceramic shell (11) and is arranged below the anti-falling washer nut (3);
the external radio frequency connector (6) is arranged below the second ceramic antenna array (4) and is used for receiving external radio frequency signals;
the heat shield (5) is covered outside the first ceramic antenna array (1) and the second ceramic antenna array (4) and is used for protecting the first ceramic antenna array (1) and the second ceramic antenna array (4);
and the fixing component (7) is arranged outside the heat shield (5) and is used for fixing the heat shield (5) and the external radio frequency connector (6).
2. A ceramic antenna structure for use in high temperature environments as claimed in claim 1, wherein: the fixed subassembly (7) is including installing a plurality of fixed columns (71) on heat exchanger (5) outer wall, and a plurality of fixed column (71) divide into a set of two liang, and every fixed column (71) of group is about the axis symmetry setting of heat exchanger (5), be connected with connecting wire (72) on fixed column (71), connecting wire (72) follow fixed column (71) are passed through the below of outside radio frequency connector (6) until symmetrical fixed column (71), connecting wire (72) with the bottom inseparable butt of outside radio frequency connector (6).
3. A ceramic antenna structure for use in high temperature environments as claimed in claim 2, wherein: the connection line (72) is a connection line (72) of a high-temperature resin material.
4. A ceramic antenna structure for use in high temperature environments as claimed in claim 1, wherein: a plurality of observation windows (8) are formed in the heat shield (5), and the observation windows (8) are symmetrically formed with respect to the heat shield (5).
5. A ceramic antenna structure for use in high temperature environments as claimed in claim 4, wherein: the cross section of the heat shield (5) is triangular, the opening shape of the observation window (8) is trapezoid, and the window wall of the observation window (8) close to the top of the heat shield (5) is shorter than the window wall far away from the top of the heat shield (5).
6. A ceramic antenna structure for use in high temperature environments as claimed in claim 5, wherein: the heat insulation cover (5) is internally provided with a heat insulation cover (9), the heat insulation cover (9) is arranged outside the first ceramic antenna array (1), the section of the heat insulation cover (9) is semicircular, and a dislocation groove (10) which is staggered with the observation window (8) is formed in the heat insulation cover (9).
7. A ceramic antenna structure for use in high temperature environments as claimed in claim 1, wherein: the second ceramic antenna array (4) comprises a ceramic array (41) arranged at the bottom of the anti-falling washer nut (3) and a fixing bolt (42) penetrating through the bottom of the ceramic array (41), and the fixing bolt (42) is connected with the external radio frequency connector (6).
8. A ceramic antenna structure for use in high temperature environments as claimed in claim 7, wherein: an array mounting plate (14) is arranged between the external radio frequency connector (6) and the ceramic array (41), and the ceramic shell (11) is mounted on the array mounting plate (14).
9. A ceramic antenna structure for use in high temperature environments as claimed in claim 1, wherein: a standby wire (15) is arranged between the antenna main silver plate (12) and the ceramic shell (11), and a placing groove (16) for placing the standby wire (15) is formed in the ceramic shell (11).
10. A ceramic antenna structure for use in high temperature environments as claimed in claim 9, wherein: the shape of the standby wire (15) in the placing groove (16) is in a bending and folding arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311233422.9A CN117239392A (en) | 2023-09-21 | 2023-09-21 | Ceramic antenna structure applied to high-temperature environment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311233422.9A CN117239392A (en) | 2023-09-21 | 2023-09-21 | Ceramic antenna structure applied to high-temperature environment |
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| CN117239392A true CN117239392A (en) | 2023-12-15 |
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| CN202311233422.9A Pending CN117239392A (en) | 2023-09-21 | 2023-09-21 | Ceramic antenna structure applied to high-temperature environment |
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| CN216563537U (en) * | 2021-08-27 | 2022-05-17 | 深圳市卓联微科技有限公司 | Built-in small satellite positioning GPS, big dipper pottery passive antenna |
| CN218548790U (en) * | 2022-09-21 | 2023-02-28 | 陕西凌云电器集团有限公司 | High-temperature-resistant satellite navigation antenna |
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