CN115542242A - Passive detection device - Google Patents
Passive detection device Download PDFInfo
- Publication number
- CN115542242A CN115542242A CN202211166357.8A CN202211166357A CN115542242A CN 115542242 A CN115542242 A CN 115542242A CN 202211166357 A CN202211166357 A CN 202211166357A CN 115542242 A CN115542242 A CN 115542242A
- Authority
- CN
- China
- Prior art keywords
- antenna
- passive
- base
- barrel
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a passive detection device which comprises a first antenna cover, a shell, a flight cabin control section, a first base, a first barrel, a connecting ring, a second barrel, a second base and a second antenna cover which are sequentially and fixedly connected into a whole from left to right, wherein passive antenna arrays are arranged in the first antenna cover and the second antenna cover, a first support is detachably connected between the first base and the connecting ring in the first barrel, a channel module, an information processing module and a computer module are sequentially and fixedly arranged between the first base and the connecting ring in the first support from left to right, a second support is detachably connected between the connecting ring and the second base in the second barrel, and two panels arranged at an included angle are arranged on the second support. The invention has the beneficial effects that: the electromagnetic signal receiving efficiency is greatly improved, radiation source detection and threat assessment can be carried out in the coverage frequency range, and four radiation source direction finding information with the largest threat degree is given.
Description
Technical Field
The invention relates to a structural schematic diagram of a passive detection device, in particular to a passive detection device.
Background
The passive detection device belongs to a positioning means of passive positioning category, does not emit energy, but passively receives electromagnetic signals of a noncoordination radiation source reflected by a target to track and position the target. The multifunctional intelligent sentinel has the functions of quiet sentinels, and has the working characteristics of good comprehensive electronic interference resistance, low-altitude and ultra-low-altitude steal resistance, anti-radiation missile resistance, target stealth resistance and concealment. The electronic detection system is mainly used for carrying out electronic reconnaissance on radiation source signals in a flight environment, realizing passive detection, information acquisition, direction finding positioning and threat level judgment on the radiation sources, simulating missile hang flight training and providing target position information.
The existing passive detection device comprises a barrel and an antenna housing, wherein one end of the barrel is closed, the other end of the barrel is provided with an opening, the antenna housing is fixedly arranged at the opening, a mounting plate is fixedly arranged in the barrel, a passive antenna array and a channel module are arranged on the mounting plate, when the passive antenna array receives electromagnetic signals and feeds the electromagnetic signals into the channel module, and the channel module carries out amplitude limiting, amplification, two-stage frequency mixing and filtering amplification on the electromagnetic signals until the signals are converted to intermediate frequency, so that superheterodyne receiving signals are realized. However, although such passive detection device can implement superheterodyne receiving signal, the following technical drawbacks still exist: the installation direction of the passive antenna array is only one, so that the receiving efficiency of electromagnetic signals is greatly reduced, and direction-finding information of other three radiation sources with the largest threat degree cannot be provided.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a passive detection device which has a compact structure, greatly improves the electromagnetic signal receiving efficiency, can detect radiation sources and evaluate threats in a coverage frequency range and provides direction finding information of four radiation sources with the largest threat degree.
The purpose of the invention is realized by the following technical scheme: the utility model provides a passive detection device, it includes from a left side turn right fixed connection in order in first antenna housing, casing, flight cabin accuse section, first base, first barrel, go-between, second barrel, second base and second antenna house of an organic whole, all be provided with passive antenna array in first antenna housing and the second antenna house, can dismantle between first barrel and the go-between and be connected with first support in just being located, turn right from a left side in the first support and set firmly channel module, information processing module and computer module in order, can dismantle between just being located go-between and the second base in the second barrel and be connected with the second support, be provided with two panels that are the contained angle setting on the second support, be provided with a plurality of mounting holes on the panel, be provided with passive antenna array in the mounting hole.
The first antenna cover, the second antenna cover, the first cylinder and the second cylinder are all made of wave-transmitting materials.
The antenna comprises a casing, a first antenna cover and a passive antenna array, wherein the first antenna cover is arranged in the casing, a first mounting frame is fixedly arranged on the left end face of the casing, a first mounting plate is fixedly arranged at the left end part of the first mounting frame, and the passive antenna array is arranged on the left end face of the first mounting plate.
And a second mounting frame is fixedly arranged in the second antenna housing and on the right end face of the second base, a second mounting plate is fixedly arranged at the right end part of the second mounting frame, and a passive antenna array is arranged on the right end face of the second mounting plate.
The second support comprises a first connecting plate and a second connecting plate, the two panels are fixedly arranged between the first connecting plate and the second connecting plate, the first connecting plate is fixed on the connecting ring through screws, and the second connecting plate is fixed on the second base through screws.
And each passive antenna array is connected with the channel module through a radio frequency cable.
The channel module is connected with the information processing module through a radio frequency cable and a low frequency cable.
And the channel module and the information processing module as well as the information processing module and the computer module are installed by adopting laminated screws.
The invention has the following advantages: the invention greatly improves the receiving efficiency of electromagnetic signals, can carry out radiation source detection and threat assessment in a coverage frequency range, and provides four radiation source direction finding information with the maximum threat degree.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the connection of the first base, the connection ring and the second base;
FIG. 3 is a schematic view of the connection of the second bracket to the connection ring;
fig. 4 is a schematic view of the connection between the second support and the passive antenna array;
FIG. 5 is a schematic structural view of a first bracket;
FIG. 6 is a schematic structural view of a second bracket;
FIG. 7 is an exploded view of the module and first support;
in the figure, 1-first antenna hood, 2-shell, 3-flight control section, 4-first base, 5-first barrel, 6-connecting ring, 7-second barrel, 8-second base, 9-second radome, 10-passive antenna array, 11-first bracket, 12-channel module, 13-information processing module, 14-computer module, 15-second bracket, 16-panel, 17-mounting hole, 18-first mounting bracket, 19-first mounting plate, 20-second mounting bracket, 21-second mounting plate, 22-first connecting plate, 23-second connecting plate.
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 7, a passive detection device includes a first antenna cover 1, a housing 2, a flight control section 3, a first base 4, a first cylinder 5, a connection ring 6, a second cylinder 7, a second base 8 and a second antenna cover 9 which are sequentially and fixedly connected from left to right, passive antenna arrays 10 are disposed in the first antenna cover 1 and the second antenna cover 9, a first support 11 is detachably connected between the first base 4 and the connection ring 6 and in the first cylinder 5, a channel module 12, an information processing module 13 and a computer module 14 are sequentially and fixedly disposed in the first support 11 from left to right, a second support 15 is detachably connected between the connection ring 6 and the second base 8 and in the second cylinder 7, two panels 16 arranged at an included angle are disposed on the second support 15, a plurality of mounting holes 17 are disposed on the panels 16, and the passive antenna arrays 10 are disposed in the mounting holes 17. The mounting holes 17 and the passive antenna arrays 10 are designed in a hole-axis matching mode, and the unilateral clearance is less than or equal to 0.03mm, so that the mounting accuracy of each passive antenna array 10 is guaranteed.
As shown in fig. 1 to 7, the first antenna cover 1, the second antenna cover 9, the first cylinder 5, and the second cylinder 7 are all made of wave-transparent materials. A first mounting frame 18 is fixedly arranged in the first antenna cover 1 and on the left end face of the casing 2, a first mounting plate 19 is fixedly arranged at the left end of the first mounting frame 18, and a passive antenna array 10 is arranged on the left end face of the first mounting plate 19. The second antenna housing 9 is provided with a second mounting bracket 20 fixedly arranged on the right end face of the second base 8, the right end portion of the second mounting bracket 20 is provided with a second mounting plate 21 fixedly arranged, and the right end face of the second mounting plate 21 is provided with a passive antenna array 10.
The second bracket 15 includes a first connecting plate 22 and a second connecting plate 23, the two panels 16 are fixedly disposed between the first connecting plate 22 and the second connecting plate 23, the first connecting plate 22 is fixed on the connecting ring 6 by screws, and the second connecting plate 23 is fixed on the second base 8 by screws. Each passive antenna array 10 is connected with the channel module 12 through a radio frequency cable, and the channel module 12 is connected with the information processing module 13 through a radio frequency cable and a low frequency cable. The channel module 12 and the information processing module 13, and the information processing module 13 and the computer module 14 are mounted by laminated screws.
The working process of the invention is as follows:
the passive antenna array 10 in the first antenna cover 1, the passive antenna array 10 in the second antenna cover 9 and the passive antenna array 10 on the two panels 16 of the second bracket 15 all receive electromagnetic signals and feed the electromagnetic signals into the channel module 12, and the channel module 12 performs amplitude limiting, amplification, two-stage frequency mixing and filtering amplification on the electromagnetic signals to convert the signals to intermediate frequency, so that superheterodyne receiving is realized; in the radiation source searching stage, the information processing module 13 controls a local oscillator to jump and performs frequency gating by using the filter after the primary frequency mixing, thereby completing frequency searching. When the radiation source is subjected to direction finding and tracking, the working frequency is retained on the important attention frequency through local oscillator frequency hopping, then the signal is output to the computer module 14 through the information processing module 13, the computer module 14 performs passive radar signal sorting and passive positioning information fusion processing, the confidence coefficient is improved through mutual verification, and the radiation source is identified.
This passive detection device is through passive antenna array 10 in the first antenna cover 1, passive antenna array 10 in the second antenna cover 9, passive antenna array 10 on the two panels 16 of second support 15 receives electromagnetic signal, receive electromagnetic signal and feed in the channel module from passive antenna array 10 in four directions promptly, compare traditional passive detection device and can only receive electromagnetic signal from a direction, thereby very big improvement electromagnetic signal's receiving efficiency, can carry out radiation source detection and threat aassessment in the frequency channel scope simultaneously, and give the biggest four radiation source direction finding information of threat degree.
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 (8)
1. A passive detection device, characterized by: it includes from a left side turn right fixed connection in order in first antenna housing (1), casing (2), flies cabin accuse section (3), first base (4), first barrel (5), go-between (6), second barrel (7), second base (8) and second antenna house (9) of an organic whole, all be provided with passive antenna array (10) in first antenna housing (1) and second antenna house (9), can dismantle between first base (4) and go-between (6) and be connected with first support (11) in first barrel (5), turn right from a left side in first support (11) and set firmly channel module (12), information processing module (13) and computer module (14) in order, can dismantle between second barrel (7) and being connected with second support (15) between being located go-between (6) and second base (8), be provided with two panels (16) that are the contained angle setting on second support (15), be provided with a plurality of mounting holes (17) on panel (16), be provided with passive antenna array (10) in mounting hole (17).
2. A passive detection arrangement according to claim 1, wherein: the first antenna cover (1), the second antenna cover (9), the first barrel (5) and the second barrel (7) are all made of wave-transmitting materials.
3. A passive detection arrangement according to claim 1, wherein: the antenna comprises a first antenna cover (1), a first mounting frame (18) is fixedly arranged on the left end face of a shell (2), the left end portion of the first mounting frame (18) is fixedly provided with a first mounting plate (19), and a passive antenna array (10) is arranged on the left end face of the first mounting plate (19).
4. A passive detection arrangement according to claim 1, wherein: the antenna comprises a second antenna housing (9), a second mounting frame (20) is fixedly arranged on the right end face of the second base (8) in the second antenna housing, a second mounting plate (21) is fixedly arranged at the right end portion of the second mounting frame (20), and a passive antenna array (10) is arranged on the right end face of the second mounting plate (21).
5. A passive detection arrangement according to claim 1, wherein: the second support (15) comprises a first connecting plate (22) and a second connecting plate (23), the two panels (16) are fixedly arranged between the first connecting plate (22) and the second connecting plate (23), the first connecting plate (22) is fixed on the connecting ring (6) through screws, and the second connecting plate (23) is fixed on the second base (8) through screws.
6. A passive detection arrangement according to claim 1, wherein: and each passive antenna array (10) is connected with the channel module (12) through a radio frequency cable.
7. A passive detection arrangement according to claim 1, wherein: the channel module (12) is connected with the information processing module (13) through a radio frequency cable and a low frequency cable.
8. A passive detection arrangement according to claim 1, wherein: and the channel module (12) and the information processing module (13) as well as the information processing module (13) and the computer module (14) are installed by adopting laminated screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211166357.8A CN115542242B (en) | 2022-09-23 | 2022-09-23 | Passive detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211166357.8A CN115542242B (en) | 2022-09-23 | 2022-09-23 | Passive detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115542242A true CN115542242A (en) | 2022-12-30 |
| CN115542242B CN115542242B (en) | 2023-10-13 |
Family
ID=84730318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211166357.8A Active CN115542242B (en) | 2022-09-23 | 2022-09-23 | Passive detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115542242B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654564A (en) * | 2016-10-17 | 2017-05-10 | 哈尔滨工业大学（威海） | Phase interferometer based on broadband conformal antenna array and parameter estimation method thereof |
| CN109509992A (en) * | 2018-12-29 | 2019-03-22 | 西安恒达微波技术开发有限公司 | A kind of passive wideband radio frequency direction-finder antenna |
| CN109986385A (en) * | 2019-04-09 | 2019-07-09 | 天津大学 | A kind of antenna house vacuum adsorption fixture |
| CN209626424U (en) * | 2019-04-01 | 2019-11-12 | 京信通信技术(广州)有限公司 | Antenna equipment |
| CN112491485A (en) * | 2020-12-07 | 2021-03-12 | 空间防务技术（深圳）有限公司 | Radio frequency radiation source detection device |
| CN212991311U (en) * | 2020-09-10 | 2021-04-16 | 江西创新科技有限公司 | Multi-path omnidirectional unmanned aerial vehicle antenna |
-
2022
- 2022-09-23 CN CN202211166357.8A patent/CN115542242B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654564A (en) * | 2016-10-17 | 2017-05-10 | 哈尔滨工业大学（威海） | Phase interferometer based on broadband conformal antenna array and parameter estimation method thereof |
| CN109509992A (en) * | 2018-12-29 | 2019-03-22 | 西安恒达微波技术开发有限公司 | A kind of passive wideband radio frequency direction-finder antenna |
| CN209626424U (en) * | 2019-04-01 | 2019-11-12 | 京信通信技术(广州)有限公司 | Antenna equipment |
| CN109986385A (en) * | 2019-04-09 | 2019-07-09 | 天津大学 | A kind of antenna house vacuum adsorption fixture |
| CN212991311U (en) * | 2020-09-10 | 2021-04-16 | 江西创新科技有限公司 | Multi-path omnidirectional unmanned aerial vehicle antenna |
| CN112491485A (en) * | 2020-12-07 | 2021-03-12 | 空间防务技术（深圳）有限公司 | Radio frequency radiation source detection device |
Non-Patent Citations (1)
| Title |
|---|
| 郭引川, 翁芸, 杨万全: "无源探测定位技术分析", 现代电子技术, no. 21 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115542242B (en) | 2023-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206619700U (en) | A kind of two dimensional phased array antenna applied to wireless frequency compact system | |
| CN110596648A (en) | Vehicle-mounted millimeter wave radar | |
| CN101986169A (en) | Distributed passive detection system based on cellular mobile communication base station and network thereof | |
| CN109360407A (en) | A kind of unmanned plane Wireless laser remote control system and remote control method | |
| CN115542242A (en) | Passive detection device | |
| CN207008054U (en) | One-board reception/front end of emission millimetre-wave radar | |
| CN212694020U (en) | Vehicle-mounted millimeter wave radar | |
| CN113937484A (en) | Broadband airborne conformal low RCS antenna | |
| CN110579756A (en) | Distributed optical transmission wave control system | |
| WO2023116450A1 (en) | Radar device and unmanned aerial vehicle | |
| CN2766250Y (en) | Electronic aim detecting system | |
| CN207459155U (en) | A kind of new multifrequency torch-type embellished antenna | |
| CN102830440A (en) | Indoor human body detection method | |
| CN111781655A (en) | Simple modular structure alarm device system | |
| CN212111767U (en) | Unmanned aerial vehicle detection radar | |
| CN215340314U (en) | Millimeter wave radar for robot positioning | |
| CN215728771U (en) | Unmanned aerial vehicle detection device based on passive audio frequency | |
| CN212588343U (en) | Unmanned aerial vehicle radio monitoring suppression all-in-one | |
| CN212648476U (en) | Military and civil dual-purpose integrated Beidou third-generation antenna in complex environment | |
| CN213340730U (en) | Solar micro-station antenna | |
| CN212540722U (en) | Beidou unmanned aerial vehicle decoy equipment based on GPS | |
| CN220527212U (en) | Array plane structure of miniaturized digital phased array antenna based on phase control | |
| CN216931616U (en) | Ultrahigh frequency bird repeller | |
| CN109346825A (en) | A kind of invisible antenna cloud layer and its application | |
| CN103779663A (en) | Dual-frequency orthogonal polarization high-isolation horn antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |