CN115498391A - Active and passive radar composite seeker - Google Patents
Active and passive radar composite seeker Download PDFInfo
- Publication number
- CN115498391A CN115498391A CN202211166400.0A CN202211166400A CN115498391A CN 115498391 A CN115498391 A CN 115498391A CN 202211166400 A CN202211166400 A CN 202211166400A CN 115498391 A CN115498391 A CN 115498391A
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- active
- antenna
- barrel
- module
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B15/00—Self-propelled projectiles or missiles, e.g. rockets; Guided missiles
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Radar Systems Or Details Thereof (AREA)
- Details Of Aerials (AREA)
Abstract
The invention discloses an active and passive radar composite seeker which comprises an antenna housing, a barrel and a base, wherein the antenna housing, the barrel and the base are sequentially arranged from left to right, the left end part of the barrel is closed, the right end part of the barrel is provided with an opening, a first annular spigot is arranged on a cylindrical surface of the closed end of the barrel, a second annular spigot is arranged on a cylindrical surface of the left end part of the base, the opening of the antenna housing is sleeved on the first annular spigot and is detachably connected to the barrel, an antenna support fixedly arranged on the closed end of the barrel is arranged in the antenna housing, an antenna mounting plate is fixedly arranged on the left end part of the antenna support, and a plurality of active antennas and passive antennas are fixedly arranged on the left end surface of the antenna mounting plate; a frequency synthesis module, a channel module, an active signal processing module, a passive signal processing module, a computer module and a secondary power supply are sequentially arranged in the barrel and between the closed end of the barrel and the base. The invention has the beneficial effects that: compact structure, heat dispersion are good, long service life, need not to cut barrel alright maintenance module or antenna.
Description
Technical Field
The invention relates to the technical field of an active and passive radar composite seeker mounting structure, in particular to an active and passive radar composite seeker.
Background
The anti-radiation missile is also called anti-radar missile, and refers to a missile which utilizes the electromagnetic radiation of an enemy radar to guide so as to destroy the enemy radar and the carrier thereof. Among electronic countermeasures, it is the most effective weapon for radar hard kill. The active and passive radar composite seeker is a main component of the anti-radiation missile, is mainly used for searching and intercepting a ground enemy radiation source target, realizing high-precision direction finding and positioning of the radiation source target, and performing target identification and tracking by adopting active and passive composite detection to provide guidance information for the anti-radiation missile.
The existing active and passive radar composite seeker comprises a barrel, an active antenna, a passive antenna, a frequency synthesis module, a channel module, an active signal processing module, a passive signal processing module, a computer module and a secondary power supply, wherein the active antenna, the passive antenna, the frequency synthesis module, the channel module, the active signal processing module, the passive signal processing module, the computer module and the secondary power supply are arranged in the barrel, and the passive antenna can detect and direction-finding bound radiation source information; the passive antenna can perform radiation source detection and threat assessment in a coverage frequency range and provide two radiation source direction finding information with the largest threat degree; under the required action distance and background conditions, the active antenna can detect, identify and track a typical target in a given search range, and can output information such as a line-of-sight angle, a target distance, a radial speed and the like while tracking the target; the active antenna can realize the re-searching, detecting and tracking of the target under the condition that the target is lost; the secondary power supply can provide power for each module, the active antenna and the passive antenna so as to ensure that the modules and the antennas work normally.
However, although the active and passive radar composite seeker can be used, the following technical defects still exist:
I. in the long-term use process of each module and each antenna, a large amount of heat generated by the module and the antenna is accumulated in the cylinder body, so that the active antenna, the passive antenna, the frequency synthesis module, the channel module, the active signal processing module, the passive signal processing module or the computer module are burnt, and the service life of the active and passive radar composite guide head is greatly shortened.
II. When one of the modules or the antennas is damaged, the cylinder is in a closed state, so that the damaged module or antenna can be maintained after the cylinder is cut, and heat generated during cutting influences the performance of the module and the antenna in the cylinder. Therefore, an active and passive radar composite guide head with good heat dissipation performance and long service life, which can maintain a module or an antenna without cutting a cylinder, is needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the active and passive radar composite seeker which is compact in structure, good in heat dissipation performance, long in service life and capable of maintaining a module or an antenna without cutting a cylinder.
The purpose of the invention is realized by the following technical scheme: an active and passive radar composite seeker comprises an antenna housing, a barrel and a base, wherein the antenna housing, the barrel and the base are sequentially arranged from left to right, the left end of the barrel is closed, an opening is formed in the right end of the barrel, a first annular seam allowance is formed in the cylindrical surface of the closed end of the barrel, a second annular seam allowance is formed in the cylindrical surface of the left end of the base, the opening of the antenna housing is sleeved on the first annular seam allowance and is detachably connected to the barrel, an antenna support fixedly arranged on the closed end of the barrel is arranged in the antenna housing, an antenna mounting plate is fixedly arranged on the left end of the antenna support, and a plurality of active antennas and passive antennas are fixedly arranged on the left end surface of the antenna mounting plate; a frequency synthesis module, a channel module, an active signal processing module, a passive signal processing module, a computer module and a secondary power supply are sequentially arranged in the barrel and between the closed end of the barrel and the base.
A plurality of threaded holes are formed in the first annular spigot in a surrounding mode, a plurality of through holes corresponding to the threaded holes are formed in the contact position of the antenna housing and the first annular spigot, and the antenna housing penetrates through the through holes through screws I and is connected and fixed to the barrel body through the threaded holes.
And a plurality of threaded holes are formed in the second annular spigot in the circumferential direction, a plurality of through holes corresponding to the threaded holes are formed in the contact part of the barrel and the second annular spigot, and the barrel penetrates through the through holes through screws II and is fixed on the base in a threaded connection with the threaded holes.
The antenna housing is made of wave-transmitting materials.
The barrel and the base are both made of aluminum alloy materials.
Sealing rings are arranged at the contact position of the antenna housing and the cylinder body and the contact position of the cylinder body and the base.
A sinking groove is formed in the left end face of the base, and the secondary power supply is arranged in the sinking groove.
And a plurality of heat pipes are fixedly arranged between the antenna mounting plate and the closed end of the cylinder body.
The active antenna and the passive antenna are connected with the channel module through radio frequency cables, and the frequency synthesizer module, the channel module, the active signal processing module, the passive signal processing module, the computer module and the secondary power supply are sequentially connected in series through the radio frequency cables or the low frequency cables.
And heat-conducting silicone grease is coated at the contact positions among the frequency synthesizer module, the channel module, the active signal processing module, the passive signal processing module and the computer module.
The invention has the following advantages: the invention has compact structure, good heat dispersion and long service life, and can maintain the module or the antenna without cutting the cylinder.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic main sectional view of FIG. 1;
FIG. 3 is a schematic diagram of the connection between the antenna stand and the active and passive antennas;
FIG. 4 is a schematic structural diagram of an antenna mount;
FIG. 5 is a schematic view of the installation of the seal ring;
in the figure, 1 represents an antenna housing, 2 represents a cylinder, 3 represents a base, 4 represents a first annular spigot, 5 represents a second annular spigot, 6 represents an antenna bracket, 7 represents an antenna mounting plate, 8 represents an active antenna, 9 represents a passive antenna, 10 represents a frequency synthesizer module, 11 represents a channel module, 12 represents an active signal processing module, 13 represents a passive signal processing module, 14 represents a computer module, 15 represents a secondary power supply, 16 represents a screw I,17 represents a screw II,18 represents a sealing ring, and 19 represents a heat pipe.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
as shown in fig. 1 to 5, an active and passive radar composite seeker comprises an antenna housing 1, a barrel 2 and a base 3 which are sequentially arranged from left to right, wherein the antenna housing 1 is made of a wave-transparent material, the barrel 2 and the base 3 are made of aluminum alloy materials, the left end of the barrel 2 is closed, the right end of the barrel 2 is provided with an opening, a first annular spigot 4 is arranged on the cylindrical surface of the closed end of the barrel 2, a second annular spigot 5 is arranged on the cylindrical surface of the left end of the base 3, the opening of the antenna housing 1 is sleeved on the first annular spigot 4 and detachably connected to the barrel 2, an antenna support 6 fixedly arranged on the closed end of the barrel 2 is arranged in the antenna housing 1, an antenna mounting plate 7 is fixedly arranged on the left end of the antenna support 6, a plurality of heat pipes 19 are fixedly arranged between the antenna mounting plate 7 and the closed end of the barrel 2, and a plurality of active antennas 8 and passive antennas 9 are fixedly arranged on the left end surface of the antenna mounting plate 7; a frequency synthesis module 10, a channel module 11, an active signal processing module 12, a passive signal processing module 13, a computer module 14 and a secondary power supply 15 are sequentially arranged in the barrel 2 and between the closed end of the barrel 2 and the base 3.
On the first annular tang 4 and all seted up a plurality of screw holes around its circumferencial direction, a plurality of through-holes corresponding with the screw hole have been seted up to antenna house 1 and the contact department of first annular tang 4, and antenna house 1 runs through the through-hole through screw I16 and is connected with the screw hole and be fixed in on barrel 2. A plurality of threaded holes are formed in the second annular spigot 5 in the circumferential direction, a plurality of through holes corresponding to the threaded holes are formed in the contact position of the barrel body 2 and the second annular spigot 5, and the barrel body 2 penetrates through the through holes through a screw II17 and is fixed on the base 3 in a threaded connection with the threaded holes.
And sealing rings 18 are arranged at the contact part of the antenna housing 1 and the cylinder body 2 and the contact part of the cylinder body 2 and the base 3. A sinking groove is formed in the left end face of the base 3, and the secondary power supply 15 is arranged in the sinking groove. The active antenna 8 and the passive antenna 9 are both connected with the channel module 11 through radio frequency cables, and the frequency synthesis module 10, the channel module 11, the active signal processing module 12, the passive signal processing module 13, the computer module 14 and the secondary power supply 15 are sequentially connected in series through the radio frequency cables or the low frequency cables. The contact positions among the frequency synthesis module 10, the channel module 11, the active signal processing module 12, the passive signal processing module 13 and the computer module 14 are coated with heat-conducting silicone grease, the heat-conducting silicone grease ensures good bonding among the modules, and the heat dissipation is uniform.
The working process of the invention is as follows:
when the active antenna 8, the passive antenna 9, the frequency synthesizing module 10, the channel module 11, the active signal processing module 12, the passive signal processing module 13 and the computer module 14 work, heat generated on the active antenna 8 and the passive antenna 9 is transferred to the antenna mounting plate 7, the antenna mounting plate 7 transfers the heat to the heat pipe 19, the heat pipe 19 transfers the heat to the closed end of the cylinder 2, the cylinder 2 transfers the heat to the outside, and the heat dissipation direction is as shown by an arrow in fig. 2, so that the heat dissipation of the active antenna 8 and the passive antenna 9 is realized, and the normal work of the active antenna 8 and the passive antenna 9 is further ensured;
meanwhile, a part of heat generated on the frequency synthesis module 10 and the channel module 11 is transferred to the closed end of the cylinder 2 and then transferred to the outside of the cylinder 2 from the closed end of the cylinder 2, and the other part of heat is transferred to the outside from the cylindrical surface of the cylinder 2, and the heat dissipation direction is as shown by arrows in fig. 2, so that the frequency synthesis module 10 and the channel module 11 are dissipated in two directions, and the normal work of the frequency synthesis module 10 and the channel module 11 is ensured; meanwhile, a part of heat generated by the active signal processing module 12, the passive signal processing module 13 and the computer module 14 is transferred to the base 3, the base 3 transfers the heat to the outside, the other part of heat is transferred to the outside from the cylindrical surface of the cylinder 2, and the heat dissipation direction is shown by arrows in fig. 2, so that the active signal processing module 12, the passive signal processing module 13 and the computer module 14 are dissipated in two directions, and the normal work of the active signal processing module 12, the passive signal processing module 13 and the computer module 14 is ensured. Therefore, compared with the traditional active and passive radar composite guide head, the active and passive radar composite guide head has the advantages that the active antenna 8, the passive antenna 9, the frequency synthesis module 10, the channel module 11, the active signal processing module 12, the passive signal processing module 13 and the computer module 14 in the active and passive radar composite guide head are cooled, heat accumulation and emission incapability are effectively avoided, burning of the antenna and the modules are further avoided, the service life of the whole active and passive radar composite guide head is prolonged, and the active and passive radar composite guide head has the technical characteristics of good heat dissipation effect.
When the antenna in the active and passive radar composite guide head needs to be maintained, a maintenance worker only needs to screw out a screw I16 between the antenna housing 1 and the cylinder body 2, then the antenna housing 1 is disassembled from left to right, and after the antenna housing 1 is removed, the maintenance worker can maintain the damaged active antenna 8 or passive antenna 9, so that the maintenance is facilitated; when maintaining the module in the active and passive radar composite guide head, a maintenance worker only needs to disassemble the screw II17 between the barrel 2 and the base 3, then disassemble the barrel 2 from left to right, and after the disassembly, the maintenance worker can maintain the damaged module, thereby facilitating the maintenance. Therefore, compared with the traditional maintenance method, the barrel body 2 does not need to be cut off by adopting a cutting method, and therefore, the performance of each module and antenna in the barrel body 2 is not influenced at all.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An active and passive radar composite seeker is characterized in that: the novel antenna housing comprises an antenna housing (1), a barrel body (2) and a base (3) which are sequentially arranged from left to right, wherein the left end part of the barrel body (2) is closed, the right end part of the barrel body (2) is provided with an opening, a first annular spigot (4) is arranged on the cylindrical surface of the closed end of the barrel body (2), a second annular spigot (5) is arranged on the cylindrical surface of the left end part of the base (3), the opening of the antenna housing (1) is sleeved on the first annular spigot (4) and detachably connected onto the barrel body (2), an antenna support (6) fixedly arranged on the closed end of the barrel body (2) is arranged in the antenna housing (1), an antenna mounting plate (7) is fixedly arranged on the left end part of the antenna support (6), and a plurality of active antennas (8) and passive antennas (9) are fixedly arranged on the left end surface of the antenna mounting plate (7); the intelligent frequency synthesizer is characterized in that a frequency synthesizer module (10), a channel module (11), an active signal processing module (12), a passive signal processing module (13), a computer module (14) and a secondary power supply (15) are sequentially arranged in the barrel (2) and between the closed end of the barrel (2) and the base (3).
2. The active and passive radar composite seeker of claim 1, wherein: a plurality of threaded holes are formed in the first annular seam allowance (4) in a surrounding mode, a plurality of through holes corresponding to the threaded holes are formed in the contact position of the antenna housing (1) and the first annular seam allowance (4), and the antenna housing (1) penetrates through the through holes through screws I (16) and is fixed to the barrel body (2) through connection with the threaded holes.
3. The active passive radar composite seeker of claim 1, wherein: a plurality of threaded holes are formed in the second annular spigot (5) in a surrounding mode, a plurality of through holes corresponding to the threaded holes are formed in the contact position of the barrel body (2) and the second annular spigot (5), and the barrel body (2) penetrates through the through holes through screws II (17) and is fixed on the base (3) in a threaded mode through the threaded holes.
4. The active and passive radar composite seeker of claim 1, wherein: the antenna housing (1) is made of a wave-transmitting material.
5. The active passive radar composite seeker of claim 1, wherein: the barrel (2) and the base (3) are both made of aluminum alloy materials.
6. The active and passive radar composite seeker of claim 1, wherein: and sealing rings (18) are arranged at the contact part of the radome (1) and the cylinder body (2) and the contact part of the cylinder body (2) and the base (3).
7. The active and passive radar composite seeker of claim 1, wherein: a sinking groove is formed in the left end face of the base (3), and the secondary power supply (15) is arranged in the sinking groove.
8. The active passive radar composite seeker of claim 1, wherein: and a plurality of heat pipes (19) are fixedly arranged between the antenna mounting plate (7) and the closed end of the cylinder body (2).
9. The active passive radar composite seeker of claim 1, wherein: the active antenna (8) and the passive antenna (9) are connected with the channel module (11) through radio frequency cables, and the frequency synthesis module (10), the channel module (11), the active signal processing module (12), the passive signal processing module (13), the computer module (14) and the secondary power supply (15) are sequentially connected in series through the radio frequency cables or the low frequency cables.
10. An active passive radar composite seeker as recited in claim 9, wherein: and the contact positions among the frequency synthesis module (10), the channel module (11), the active signal processing module (12), the passive signal processing module (13) and the computer module (14) are coated with heat-conducting silicone grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211166400.0A CN115498391B (en) | 2022-09-23 | 2022-09-23 | Active-passive radar composite guide head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211166400.0A CN115498391B (en) | 2022-09-23 | 2022-09-23 | Active-passive radar composite guide head |
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| Publication Number | Publication Date |
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| CN115498391A true CN115498391A (en) | 2022-12-20 |
| CN115498391B CN115498391B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211166400.0A Active CN115498391B (en) | 2022-09-23 | 2022-09-23 | Active-passive radar composite guide head |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6424286B1 (en) * | 2001-05-30 | 2002-07-23 | The United States Of America As Represented By The Secretary Of The Army | In-seeker jamming device |
| JP2003254700A (en) * | 2002-03-01 | 2003-09-10 | Mitsubishi Heavy Ind Ltd | Composite seeker |
| CN106342376B (en) * | 2008-08-11 | 2012-10-03 | 中国空空导弹研究院 | Active radar and passive radar target seeker combined antenna |
| CN103353590A (en) * | 2013-07-06 | 2013-10-16 | 西安雷通科技有限责任公司 | Hermetically-sealed integrated radar |
| CN108183303A (en) * | 2018-03-08 | 2018-06-19 | 湖北三江航天江北机械工程有限公司 | Conformal active radar and passive radar seeker antenna cover and forming method |
| CN109449591A (en) * | 2018-10-25 | 2019-03-08 | 湖北航天技术研究院总体设计所 | Active radar and passive radar seeker antenna cover and aircraft |
| CN110850379A (en) * | 2019-11-27 | 2020-02-28 | 四川航天系统工程研究所 | Active radar seeker assembly testing device |
| CN112083380A (en) * | 2020-07-31 | 2020-12-15 | 河北汉光重工有限责任公司 | Electromagnetic compatible infrared/radar composite seeker |
-
2022
- 2022-09-23 CN CN202211166400.0A patent/CN115498391B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6424286B1 (en) * | 2001-05-30 | 2002-07-23 | The United States Of America As Represented By The Secretary Of The Army | In-seeker jamming device |
| JP2003254700A (en) * | 2002-03-01 | 2003-09-10 | Mitsubishi Heavy Ind Ltd | Composite seeker |
| CN106342376B (en) * | 2008-08-11 | 2012-10-03 | 中国空空导弹研究院 | Active radar and passive radar target seeker combined antenna |
| CN103353590A (en) * | 2013-07-06 | 2013-10-16 | 西安雷通科技有限责任公司 | Hermetically-sealed integrated radar |
| CN108183303A (en) * | 2018-03-08 | 2018-06-19 | 湖北三江航天江北机械工程有限公司 | Conformal active radar and passive radar seeker antenna cover and forming method |
| CN109449591A (en) * | 2018-10-25 | 2019-03-08 | 湖北航天技术研究院总体设计所 | Active radar and passive radar seeker antenna cover and aircraft |
| CN110850379A (en) * | 2019-11-27 | 2020-02-28 | 四川航天系统工程研究所 | Active radar seeker assembly testing device |
| CN112083380A (en) * | 2020-07-31 | 2020-12-15 | 河北汉光重工有限责任公司 | Electromagnetic compatible infrared/radar composite seeker |
Non-Patent Citations (3)
| Title |
|---|
| DAVID J. DOWGIALLO; ELIZABETH M. TWAROG: "《Millimeter wave interferometric radiometry for passive imaging and the detection of low-power manmade signals》", 《2010 11TH SPECIALIST MEETING ON MICROWAVE RADIOMETRY AND REMOTE SENSING OF THE ENVIRONMENT》 * |
| 刘英姿: "《主动天线阵》", 《飞航导弹》 * |
| 孙洪忠;: "空空导弹主被动雷达多模导引头研究", 航空兵器, no. 04 * |
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| CN115498391B (en) | 2023-07-25 |
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