CN107895843B - Antenna extension of vehicle-mounted array radar - Google Patents
Antenna extension of vehicle-mounted array radar Download PDFInfo
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- CN107895843B CN107895843B CN201710895092.8A CN201710895092A CN107895843B CN 107895843 B CN107895843 B CN 107895843B CN 201710895092 A CN201710895092 A CN 201710895092A CN 107895843 B CN107895843 B CN 107895843B
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- antenna
- printed board
- section bar
- protective cover
- shielding box
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/885—Radar or analogous systems specially adapted for specific applications for ground probing
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
- H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/526—Electromagnetic shields
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
- H01Q17/001—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
Abstract
The invention provides an antenna extension of a vehicle-mounted array type ground penetrating radar, which mainly comprises an antenna assembly, a top cover, a handle, a protective cover and a sampling head unit. The antenna assembly is composed of an antenna printed board, a section bar, a baffle, a pad column and a shielding board, and the sampling head unit is composed of a sampling head printed board, a high-voltage control board and a small shielding box. The antenna extension has a compact structure, the main structure of the antenna assembly is composed of the sectional materials, the structural strength is met, the cost is effectively saved, the assembly is convenient, the reliability of signal transmission is ensured, and a layer of shielding plate is arranged in the antenna assembly; the sampling head printing plate is fixed in the small shielding box to ensure the stability of signals; the protective cover is produced by adopting a plastic suction process, so that the antenna is protected, and meanwhile, the protective cover has good wave-transmitting property; the design of top cap outer edge has the recess, at recess internally mounted sealed pad, can realize the rain-proof requirement of extension.
Description
Technical Field
The invention relates to the field of antenna extension sets, in particular to an antenna extension set of a small vehicle-mounted array radar.
Background
Because old pipeline in the city is run out, is leaked and is leaked seriously, the soil body is washed to cause loss and form a cavity, and the geological settlement caused by excessive exploitation of underground water and other reasons finally cause frequent urban road subsidence accidents, thereby causing great damage to urban safety operation and urban resident trip safety. For the above reasons, the demand of the urban underground pipelines and soil body disease detection around the underground pipelines in each big city is urgent. In order to strengthen the construction management of urban underground pipelines, guarantee the safe operation of cities and improve the quality of urbanization development, special radars specially used for detecting geology need to be researched and developed.
Because the number of towns is large in China and roads are complicated, the common hand-push ground penetrating radar antenna is difficult to meet the requirement of road detection complicated in China, and at present, the ground penetrating radar antenna in China has defects in the technology.
Disclosure of Invention
Aiming at the problems, the invention provides an antenna extension of a vehicle-mounted array type ground penetrating radar, aiming at solving the defect that the existing antenna extension is difficult to complete the detection of staggered complex roads.
The purpose of the invention is realized by the following scheme:
an antenna extension for a small vehicle-mounted array radar, the antenna extension comprising: the device comprises a top cover, an antenna printed board, a small shielding box, a sampling head printed board, a high-voltage power supply board, a protective cover and an antenna assembly;
the antenna assembly includes: section bar, baffle;
the number of the sectional materials is four, and a baffle is arranged between any two adjacent sectional materials and approximately forms a cuboid structure;
the sampling head printing plate and the high-voltage power supply plate are both arranged in the small shielding box through screws;
the small shielding box is arranged below the top cover, the top cover is arranged at the upper end of the section bar, and the antenna printed board is arranged at the lower end of the section bar;
the protective cover is a square cover, the antenna printed board, the small shielding box, the sampling head printed board, the high-voltage power supply board, the section bar and the baffle are all installed in the protective cover, and the upper end of the protective cover is connected and fixed with the edge of the top cover to form a closed space.
The section bar cross-section is the L font, and both ends all are equipped with rectangular groove, and the baffle inserts in the rectangular groove.
The lower end of the section bar is provided with a front adapter plate in a shape like a Chinese character 'hui' through a screw, and the antenna printed board is fixed at the lower end of the section bar through the front adapter plate;
the upper end of the section bar is provided with a back end adapter plate in a shape like a Chinese character 'hui' through a screw, and the top cover is fixed at the upper end of the section bar through the back end adapter plate.
Four corners of the rear adapter plate are provided with cushion columns through screws;
the upper end of the cushion column is provided with a shielding plate through a screw;
the shielding plate is provided with a square hole;
an interface is arranged on the antenna printed board and penetrates through the square hole.
The cushion column is made of nylon material, and both ends of the cushion column are embedded with threaded sleeves;
the baffle is made of aluminum alloy material.
An internal interface is arranged below the small shielding box and is connected with the interface through a shielding cable, and signal communication between the small shielding box and the antenna printed board is completed.
The inner side of the small shielding box is provided with a wave-absorbing material, and the thickness of the wave-absorbing material is obtained through antenna calculation.
An external interface is arranged on the small shielding box, and the sampling head printing plate is welded with the external interface through a cable;
through the external interface, the small shielding box completes signal communication with external related equipment.
A sealing groove is formed in the lower side of the periphery of the top cover, a sealing gasket is arranged in the sealing groove, and the protective cover is inserted into the sealing groove and tightly presses the sealing gasket;
the protective cover is connected and fixed with the top cover through a screw;
the protective cover is made of PP materials.
2 rod-shaped handles are arranged on the top cover, the cross sections of the handles are arched, and one side of the arc faces downwards;
both ends of the handle are provided with connecting holes;
at each connecting hole, a handle connecting column is arranged on the handle and is connected and fixed with the top cover through the handle connecting column.
The invention has the beneficial effects that:
1. the antenna is independent in structure, can be used as an independent receiving (transmitting) antenna extension according to the electrical function, can also be combined into an array antenna for use, can be combined into 3-transmission 4-reception or 4-transmission 4-reception array combinations according to actual detection requirements, is flexible and changeable in use and good in maintainability;
2. the antenna main body is firm in structure, and not only is convenient to carry and carry, but also is convenient to connect with other structures by designing the handle at the upper end;
3. the antenna has sealing performance and has a rain-proof function when working outdoors;
4. according to the invention, by designing the PP protective shell, not only is the antenna array surface protected, but also the wave-transparent characteristic of the antenna is ensured;
5. by using the section as the main supporting structure of the antenna assembly, the invention not only saves the production and processing cost, but also has light weight and high strength;
6. the invention eliminates redundant wave beams of the antenna array surface and simultaneously enables the sampling head unit to eliminate the interference of external signals by reasonably designing the shielding structure and using the shielding structure for shielding the cable, thereby ensuring the accuracy and stability of antenna information.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The drawings are only for purposes of illustrating embodiments of the invention and are not to be construed as limiting the invention. Like reference numerals refer to like parts throughout the drawings.
Fig. 1 is a schematic structural diagram of an antenna extension of a vehicle-mounted array type ground penetrating radar;
fig. 2 is a schematic structural diagram of an antenna printed board of an antenna extension of a vehicle-mounted array type ground penetrating radar;
fig. 3 is a schematic structural diagram of an antenna assembly of an antenna extension of a vehicle-mounted array type ground penetrating radar;
FIG. 4 is a schematic sectional view illustrating installation of antenna extensions of a vehicle array type ground penetrating radar;
FIG. 5 is a schematic diagram of a small shielding box of an antenna extension of a vehicle-mounted array type ground penetrating radar;
FIG. 6 is a schematic diagram of the inside of a small shielding box of an antenna extension of a vehicle-mounted array type ground penetrating radar;
FIG. 7 is a schematic view of an antenna extension of a vehicle array type ground penetrating radar in an overall cross-sectional view;
FIG. 8 is a schematic structural diagram of a handle of an antenna extension of a vehicle array type ground penetrating radar;
wherein: 1. a top cover; 2. a handle; 3. a protective cover; 4. an external interface; 5. an antenna printed board; 6. a small shield case; 7. the sampling head is used for printing a plate; 8. a high voltage power supply board; 9. a section bar; 10. a baffle plate; 11. a cushion column; 12. a shielding plate; 13. an internal interface; 14. a front end adapter plate; 15. a rear end adapter plate; 16. a handle connection post; 17 a gasket; 18 shield the cable.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
As shown in fig. 1, 3 and 7, the antenna extension of the small vehicle-mounted array radar is specially applied to the vehicle-mounted array ground penetrating radar and is responsible for receiving and transmitting multi-channel signals. This antenna extension includes: the device comprises a top cover, an antenna printed board, a small shielding box, a sampling head printed board, a high-voltage power supply board, a protective cover and an antenna assembly;
the antenna assembly includes: section bar, baffle;
the number of the sectional materials is four, a baffle is arranged between any two adjacent sectional materials, and a cuboid structure is formed approximately, so that the sectional materials are low in cost and light in weight and play a role of an antenna assembly support column;
the sampling head printing plate and the high-voltage power supply plate are both arranged in the small shielding box through screws;
the small shielding box is arranged below the top cover, the top cover is arranged at the upper end of the section bar, and the antenna printed board is arranged at the lower end of the section bar;
the protective cover is a square cover, an antenna printed board, a small shielding box, a sampling head printed board, a high-voltage power supply board, a section bar and a baffle are all arranged in the protective cover, and the upper end of the protective cover is connected and fixed with the edge of the top cover to form a closed space;
when the antenna extension is used, a protective cover is required to be installed because the antenna array surface is very close to the ground.
As shown in fig. 4, the section of the sectional material is L-shaped, and both ends of the sectional material are provided with rectangular grooves, and the baffle plate is inserted into the rectangular grooves to play a role of shielding all around.
The lower end of the section bar is provided with a front adapter plate in a shape like a Chinese character 'hui' through a screw, and the antenna printed board is fixed at the lower end of the section bar through the front adapter plate;
the upper end of the section bar is provided with a back end adapter plate in a shape like a Chinese character 'hui' through a screw, and the top cover is fixed at the upper end of the section bar through the back end adapter plate.
Four corners of the rear adapter plate are provided with cushion columns through screws;
the upper end of the cushion column is provided with a shielding plate through a screw;
the shielding plate is provided with a square hole;
as shown in fig. 2, the upper surface of the antenna printed board is provided with an interface, and the interface passes through the square hole.
The cushion column is made of nylon material, and both ends of the cushion column are embedded with threaded sleeves;
the baffle is made of aluminum alloy material.
For the ground penetrating radar antenna, because the signal transmitted by the antenna is vertical to the antenna array surface, the wave transmitted to the ground is required for detection, and the wave beam transmitted to the inside of the antenna needs to be removed, a closed shielding metal cavity needs to be designed, so that the wave beam transmitted inwards is controlled in the cavity, signal disorder is avoided, and meanwhile, no metal device is required in the cavity, so that the cushion column needs to be made of nylon material, and wave absorbing materials with proper thickness can be placed in the closed cavity according to the calculation of the antenna, so that the wave absorbing materials are used for absorbing the wave beam transmitted inwards by the antenna.
As shown in fig. 5 to 7, an internal interface is provided under the small shielding box, and the internal interface is connected to the interface through a shielding cable and completes signal communication between the small shielding box and the antenna printed board.
The inner side of the small shielding box is provided with a wave-absorbing material, and the thickness of the wave-absorbing material is obtained through antenna calculation.
An external interface is arranged on the small shielding box, and the sampling head printing plate is welded with the external interface through a cable;
therefore, the antenna emits wave beams to the ground, signals are transmitted to the sampling head unit through the shielding cable, and the sampling head printing plate transmits the signals out through the external interface.
A sealing groove is formed in the lower side of the periphery of the top cover, a sealing gasket is arranged in the sealing groove, and the protective cover is inserted into the sealing groove and tightly presses the sealing gasket;
the protective cover is connected and fixed with the top cover through a screw;
the protective cover is made of PP material, has enough strength and toughness and good wave-transmitting property, and is produced by a plastic suction process;
the small shielding box is used for isolating and shielding signals printed by the sampling head, and external signals are prevented from interfering and influencing the signals.
As shown in fig. 7 and 8, 2 rod-shaped handles are mounted on the top cover, the cross section of each handle is arc-shaped, one side of an arc is downward, the handle is rounded along the periphery, and a large arc surface is designed on the lower side of the handle, so that the handle is attractive, man-machine-friendly and convenient to carry and carry;
both ends of the handle are provided with connecting holes;
at every connecting hole department, the handle is installed the handle spliced pole to be connected and fixed with the top cap through the handle spliced pole, just so make the antenna extension have rain-proof function.
In conclusion, the embodiment provides an antenna extension of on-vehicle array ground penetrating radar, and this antenna extension mainly comprises antenna module, sampling head unit, top cap and protection casing, and sturdy structure, the good reliability has effectively guaranteed validity and accuracy of signal sampling through installation shield plate and shielding box.
While the invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope thereof.
Claims (7)
1. The utility model provides an antenna extension of on-vehicle array radar which characterized in that, this antenna extension includes: the device comprises a top cover, an antenna printed board, a small shielding box, a sampling head printed board, a high-voltage power supply board, a protective cover and an antenna assembly;
the antenna assembly includes: section bar, baffle;
the number of the sections is four, the baffle is arranged between any two adjacent sections, and a cuboid structure is formed;
the sampling head printing plate and the high-voltage power supply plate are both arranged in the small shielding box through screws;
the small shielding box is arranged below the top cover, the top cover is arranged at the upper end of the section bar, the antenna printed board is arranged at the lower end of the section bar, and an interface is arranged on the antenna printed board;
the protective cover is a square cover, the antenna printed board, the small shielding box, the sampling head printed board, the high-voltage power supply board, the section bar and the baffle are all installed in the protective cover, and the upper end of the protective cover is connected and fixed with the edge of the top cover to form a closed space;
an internal interface is arranged below the small shielding box, is connected with the interface through a shielding cable and completes signal communication between the small shielding box and the antenna printed board;
the inner side of the small shielding box is provided with a wave-absorbing material for isolating and shielding signals printed by the sampling head;
an external interface is arranged on the small shielding box, and the sampling head printing plate is welded with the external interface through a cable;
through the external interface, the small shielding box completes signal communication with external related equipment.
2. The antenna extension of claim 1, wherein the section bar is L-shaped in cross section and has rectangular slots at both ends, and the baffle is inserted into the rectangular slots.
3. The antenna extension as claimed in claim 2, wherein a front adapter plate shaped like a Chinese character 'hui' is mounted on the lower end of the section bar through screws, and the antenna printed board is fixed on the lower end of the section bar through the front adapter plate;
the upper end of the section bar is provided with a back end adapter plate in a shape like a Chinese character 'hui' through a screw, and the top cover is fixed at the upper end of the section bar through the back end adapter plate.
4. The antenna extension according to claim 3, wherein four corners of the front adapter plate are provided with pad columns through screws;
the upper end of the cushion column is provided with a shielding plate through a screw;
the shielding plate is provided with a square hole;
an interface is arranged on the antenna printed board and penetrates through the square hole.
5. The antenna extension of claim 4, wherein the pad column is made of nylon material, and both ends of the pad column are embedded with threaded sleeves;
the baffle is made of aluminum alloy materials.
6. The antenna extension of claim 1 or 5, wherein a sealing groove is formed in the lower side of the periphery of the top cover, a sealing gasket is installed in the sealing groove, and the protective cover is inserted into the sealing groove and presses the sealing gasket;
the protective cover is connected and fixed with the top cover through a screw;
the protective cover is made of PP materials.
7. The antenna extension of claim 6, wherein 2 rod-shaped handles are mounted on the top cover, the cross section of each handle is arched, and one side of each arc faces downwards;
connecting holes are formed in the two ends of the handle;
at each connecting hole, a handle connecting column is installed on the handle and is connected and fixed with the top cover through the handle connecting column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710895092.8A CN107895843B (en) | 2017-09-28 | 2017-09-28 | Antenna extension of vehicle-mounted array radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710895092.8A CN107895843B (en) | 2017-09-28 | 2017-09-28 | Antenna extension of vehicle-mounted array radar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107895843A CN107895843A (en) | 2018-04-10 |
| CN107895843B true CN107895843B (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710895092.8A Active CN107895843B (en) | 2017-09-28 | 2017-09-28 | Antenna extension of vehicle-mounted array radar |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8319693B2 (en) * | 2006-05-30 | 2012-11-27 | Continental Automotive Gmbh | Antenna module for a motor vehicle |
| CN105866745A (en) * | 2016-05-20 | 2016-08-17 | 北京华航无线电测量研究所 | Receiving and transmitting antenna radar |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101212080B (en) * | 2006-12-28 | 2012-01-04 | 阎跃军 | Organic dielectric antenna and method for producing the antenna |
| US9124009B2 (en) * | 2008-09-29 | 2015-09-01 | Amphenol Corporation | Ground sleeve having improved impedance control and high frequency performance |
| DE102010038517A1 (en) * | 2010-07-28 | 2012-02-02 | Robert Bosch Gmbh | Radome for a radar sensor in a motor vehicle and corresponding radar sensor |
| NL2006587C2 (en) * | 2011-04-12 | 2012-10-15 | Groundtracer B V | Ground penetrating radar with control unit in antenna dead zone. |
| CN105409056B (en) * | 2013-10-01 | 2019-08-02 | 维宁尔美国公司 | The trailer-mounted radar module and method of compact shielding |
| CN204087403U (en) * | 2014-09-02 | 2015-01-07 | 深圳市美安科技有限公司 | A kind of structure of intrusion detector |
| CN105428822B (en) * | 2015-11-24 | 2019-03-15 | 大连楼兰科技股份有限公司 | Vehicle anti-collision radar multicast SIW lens antenna |
| CN106784029B (en) * | 2017-01-19 | 2018-06-26 | 中国科学院上海技术物理研究所 | A kind of Terahertz alignment detection device |
-
2017
- 2017-09-28 CN CN201710895092.8A patent/CN107895843B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8319693B2 (en) * | 2006-05-30 | 2012-11-27 | Continental Automotive Gmbh | Antenna module for a motor vehicle |
| CN105866745A (en) * | 2016-05-20 | 2016-08-17 | 北京华航无线电测量研究所 | Receiving and transmitting antenna radar |
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| CN107895843A (en) | 2018-04-10 |
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