CN212785328U - Shipborne digital intermediate frequency receiver - Google Patents
Shipborne digital intermediate frequency receiver Download PDFInfo
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- CN212785328U CN212785328U CN202022137816.2U CN202022137816U CN212785328U CN 212785328 U CN212785328 U CN 212785328U CN 202022137816 U CN202022137816 U CN 202022137816U CN 212785328 U CN212785328 U CN 212785328U
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- intermediate frequency
- board
- digital intermediate
- frequency receiver
- shell
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Abstract
The utility model discloses a ship-borne digital intermediate frequency receiver, including preceding shell and backshell, wherein, be provided with LCD screen and mainboard in the preceding shell, the LCD screen passes through the LCD screen mounting panel to be fixed on the preceding shell, be provided with the female seat of keypad, SD cassette and USB on the LCD screen mounting panel, it links to each other with the keypad to be provided with on the preceding shell, keypad, SD cassette, the female seat of USB and radio frequency board link to each other through inside data bus and mainboard, be provided with power strip and radio frequency board in the backshell, be provided with the connector on the backshell, radio frequency board and connector link to each other through inside data bus and mainboard. The utility model provides a ship-borne digital intermediate frequency receiver, compact structure, convenient to use easily carries the installation, satisfies multiple external signal's collection.
Description
Technical Field
The utility model relates to a digital intermediate frequency receiving arrangement especially relates to a ship-borne digital intermediate frequency receiver.
Background
The digital intermediate frequency receiver is used for directly sampling intermediate frequency signals, is widely applied to receiving and processing multi-carrier and multi-mode signals, and can solve the problem of intercommunication and interconnection among a plurality of signals.
NAVDAT is a new shore-based digital broadcasting system at sea that broadcasts safety information at sea and other service information at 500kHz using the latest digital transmission technology. The NAVDAT realizes the quick push of navigation related safety information such as chart correction information and the like through broadcasting messages, texts, files or images, and realizes the seamless connection with a ship information system.
For a ship-borne digital intermediate frequency receiver, the portable digital intermediate frequency receiver is convenient to carry and can be conveniently installed and fixed according to needs, but the existing ship-borne digital intermediate frequency receiver is large in size and clumsy in structure. In addition, the existing external signal connectors are more, difficult to wire and easy to interfere with each other.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a ship-borne digital intermediate frequency receiver is provided, compact structure, convenient to use easily carries the installation for receive various digital intermediate frequency signals, satisfy the self-adaptation receipt demand of the safe information on water, file and the electron sea chart of different formats.
The utility model discloses a solve above-mentioned technical problem and the technical scheme who adopts provides a ship-borne digital intermediate frequency receiver, including preceding shell and backshell, wherein, be provided with LCD screen and mainboard in the preceding shell, the LCD screen passes through the LCD screen mounting panel to be fixed on the preceding shell, be provided with keypad, SD cassette and the female seat of USB on the LCD screen mounting panel, it links to each other with the keypad to be provided with the button on the preceding shell, keypad, SD cassette, the female seat of USB and radio frequency board link to each other through inside data bus and mainboard, be provided with power strip and radio frequency board in the backshell, be provided with the connector on the backshell, radio frequency board and connector link to each other through inside data bus and mainboard.
In the shipborne digital intermediate frequency receiver, the SD card seat and the USB female seat are externally provided with cover plates.
In the shipborne digital intermediate frequency receiver, the bottom parts of the front shell and the rear shell are provided with the mounting brackets, and the top parts of the front shell and the rear shell are provided with the light shields.
In the shipborne digital intermediate frequency receiver, the middle of the bottom of the mounting bracket is hollow, and the two ends of the mounting bracket and the light shield are fixedly connected with the rear shell through the knurled nut.
In the above-mentioned on-board digital intermediate frequency receiver, the number of the connectors is plural, and the plural connectors are arranged in a line along the bottom of the back shell.
The utility model discloses contrast prior art has following beneficial effect: the utility model provides a ship-borne digital intermediate frequency receiver, compact structure not only, convenient to use easily carries the installation moreover, satisfies the collection of multiple external signal, and can effectively avoid mutual interference between each way signal.
Drawings
Fig. 1 is a schematic structural diagram of a shipborne digital intermediate frequency receiver of the present invention;
fig. 2 is a schematic diagram of a back structure of the shipborne digital intermediate frequency receiver of the present invention;
fig. 3 is a schematic view of the decomposition structure of the shipborne digital intermediate frequency receiver of the present invention.
In the figure:
1 front case 2 rear case 3 LCD screen
4 mainboard 5 power panel 6 radio frequency board
7 LCD screen mounting panel 8 key board 9 SD cassette
10 USB female seat 11 connector 12 cover plate
13 key 14 mounting bracket 15 light shield
16 knurled nut 17 horn
Detailed Description
The invention is further described with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of a shipborne digital intermediate frequency receiver of the present invention; fig. 2 is a schematic diagram of a back structure of the shipborne digital intermediate frequency receiver of the present invention; fig. 3 is a schematic view of the decomposition structure of the shipborne digital intermediate frequency receiver of the present invention.
Please refer to fig. 1-3, the utility model provides a ship-borne digital intermediate frequency receiver, including preceding shell 1 and backshell 2, wherein, be provided with LCD screen 3 and mainboard 4 in the preceding shell 1, LCD screen 3 passes through LCD screen mounting panel 7 to be fixed on preceding shell 1, be provided with keypad 8, SD cassette 9 and USB mother seat 10 on the LCD screen mounting panel 7, it links to each other with keypad 8 to be provided with button 13 on the preceding shell 1, keypad 8, SD cassette 9, USB mother seat 10 and radio frequency board 6 link to each other through inside data bus and mainboard 4, be provided with power strip 5 and radio frequency board 6 in the backshell 2, be provided with connector 11 and loudspeaker 17 on the backshell 2, radio frequency board 6 and connector 11 link to each other through inside data bus and mainboard 4. The main board 4 can adopt an FPGA, and the intermediate frequency signal after the AD conversion is processed into a baseband signal through digital down conversion by using an IP core in the FPGA.
The utility model provides a ship-borne digital intermediate frequency receiver, SD cassette 9 and USB female seat 10 are provided with apron 12 outward. The bottom of preceding shell 1 and backshell 2 is provided with installing support 14, the top of preceding shell 1 and backshell 2 is provided with lens hood 15, is convenient for clearly look over the figure and the signal that show on the LCD screen 3. The middle of the bottom of the mounting bracket 14 is hollow, and the two ends of the mounting bracket 14 and the light shield 15 are fixedly connected with the rear shell 2 through a knurled nut 16 so as to adjust the mounting angle of the mounting bracket 14 and the light shield 15. The mounting bracket 14 is provided with a threaded hole, which can be carried and laid on various operating platforms, and can be further fixed as required.
The utility model provides a ship-borne digital intermediate frequency receiver, the figure of connector 11 is a plurality of, a plurality of connectors 11 are arranged along 2 bottoms of backshells in a word and are opened, satisfy the collection of multiple external signal, and can effectively avoid mutual interference between each way signal.
Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A ship-borne digital intermediate frequency receiver comprises a front shell (1) and a rear shell (2), it is characterized in that a liquid crystal screen (3) and a main board (4) are arranged in the front shell (1), the liquid crystal screen (3) is fixed on the front shell (1) through a liquid crystal screen mounting plate (7), the liquid crystal screen mounting plate (7) is provided with a key board (8), an SD card seat (9) and a USB female seat (10), the front shell (1) is provided with a key (13) connected with a key board (8), the key board (8), the SD card seat (9), the USB female seat (10) and the radio frequency board (6) are connected with the main board (4) through an internal data bus, a power panel (5) and a radio frequency panel (6) are arranged in the rear shell (2), the rear shell (2) is provided with a connector (11), and the radio frequency board (6) is connected with the connector (11) through an internal data bus and the mainboard (4).
2. An on-board digital intermediate frequency receiver according to claim 1, characterized in that a cover plate (12) is provided outside the SD card socket (9) and the USB female socket (10).
3. An on-board digital intermediate frequency receiver according to claim 1, characterized in that the bottom of the front shell (1) and the back shell (2) are provided with mounting brackets (14) and the top of the front shell (1) and the back shell (2) are provided with light shields (15).
4. The on-board digital intermediate frequency receiver according to claim 3, characterized in that the bottom of the mounting bracket (14) is hollowed out, and the two ends of the mounting bracket (14) and the light shield (15) are fixedly connected with the back shell (2) through a knurled nut (16).
5. An on-board digital intermediate frequency receiver according to claim 1, characterized in that the number of said connectors (11) is plural, said plural connectors (11) being arranged in line along the bottom of the back shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022137816.2U CN212785328U (en) | 2020-09-25 | 2020-09-25 | Shipborne digital intermediate frequency receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022137816.2U CN212785328U (en) | 2020-09-25 | 2020-09-25 | Shipborne digital intermediate frequency receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212785328U true CN212785328U (en) | 2021-03-23 |
Family
ID=75056461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022137816.2U Active CN212785328U (en) | 2020-09-25 | 2020-09-25 | Shipborne digital intermediate frequency receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212785328U (en) |
-
2020
- 2020-09-25 CN CN202022137816.2U patent/CN212785328U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201109 Shanghai city Minhang District Jianchuan Road No. 468 Patentee after: Shanghai Aiwei Information Technology Co.,Ltd. Address before: 201109 Shanghai city Minhang District Jianchuan Road No. 468 Patentee before: SHANGHAI ADVANCED AVIONICS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |