CN106209139A - Plug-in wireless communication interface based on VHF frequency range controls card - Google Patents
Plug-in wireless communication interface based on VHF frequency range controls card Download PDFInfo
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- CN106209139A CN106209139A CN201610724081.9A CN201610724081A CN106209139A CN 106209139 A CN106209139 A CN 106209139A CN 201610724081 A CN201610724081 A CN 201610724081A CN 106209139 A CN106209139 A CN 106209139A
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- frequency
- vhf
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- communication interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3822—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving specially adapted for use in vehicles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
The present invention is that a kind of plug-in wireless communication interface based on VHF frequency range controls card, include cover plate (1), baseband processing module (2), shell body (3), inner housing (4), VHF radio-frequency channel module (5), rear radome (6), totally 6 parts, and described baseband processing module (2), inner housing (4), VHF radio-frequency channel module (5), after being fixed by screw laminated type, load in the cavity formed by cover plate (1), shell body (3) and rear radome (6), constitute an entirety.Use Combined design integrated, integrated, achieve a complete VHF wireless communication link, can interconnect with current main flow VHF ultrashort wave radio set, car load communication requirement can be met by the carried-on-vehicle computer system platform communication system integrated with other unit construction and integration.This communication interface control card has that small in volume, pluggable installation, capacity of resisting disturbance be strong, reliability high.
Description
Technical field
The present invention relates to a kind of communication interface and control card, a kind of plug-in radio communication based on VHF frequency range connects
Mouth controls card.
Background technology
Nowadays, along with developing rapidly of wireless communication technology, vehicular communication equipment is widely used.But, along with whole
Car function, the demand of performance improve constantly, and in car, the kind of corollary equipment and associated cable is also on the increase, to complete vehicle weight and
Reliability brings adverse effect.The most traditional vehicle-mounted communicating equipment circuit structure is complicated, volume weight is bigger than normal, cost is high, with
In car, miscellaneous equipment degrees of fusion is low.Therefore, how to realize the miniaturization of vehicular communication equipment, lightweight, low cost and and its
Its mobile unit Combined design, the communication system of integration construct, become the important topic that insider is urgently to be resolved hurrily.
Summary of the invention
The purpose of the present invention is contemplated to overcome the deficiency of above-mentioned prior art, it is provided that a kind of reasonable in design, simple in construction
A kind of based on VHF frequency range plug-in wireless communication interface control card.
In order to achieve the above object, the present invention adopts the technical scheme that:
A kind of plug-in wireless communication interface based on VHF frequency range control card, include cover plate 1, baseband processing module 2,
Shell body 3, inner housing 4, VHF radio-frequency channel module 5, rear radome 6, totally 6 parts, and described baseband processing module 2, inner shell
Body 4, VHF radio-frequency channel module 5, screw laminated type, after fixing, loading is formed by cover plate 1, shell body 3 and rear radome 6
In cavity, constitute an entirety, wherein:
Described VHF radio-frequency channel module 5, includes again FPGA governor circuit 51, frequency synthesizer circuit 52, intermediate-frequency circuit
53, rf processing circuitry 54；For realizing rf large-signal protection, receiving signal tuning frequency-selecting, Up/Down Conversion, low level signal amplification
With functions such as filtering；It is additionally operable to realize intermediate frequency and launches the Up/Down Conversion of signal, amplification, tuning filtering and transmitting-receiving path switching control
The functions such as system.
Described baseband processing module 2, is connected with VHF radio-frequency channel module 5 by 2 64 core sockets, solid by 8 screws
On inner housing 4；For realizing the functions such as modulation /demodulation, intermediate frequency digital conversion, Error Correction of Coding and network control.
Described cover plate 1, uses 8 screws to be fixed on inner housing 4；For the protection of baseband processing module, can when needing
Pull down fixing screw, facilitate the dismounting of baseband processing module.
Described shell body 3, is provided with locking strip 32 in shielding cavity 31 both sides, is provided above pin removal at shielding cavity 31
33, the plug-in being stuck in car-mounted computer for realizing communication interface to control is installed.
Described inner housing 4, uses 13 screws to be fixed on the front of VHF radio-frequency channel module 5；For channel module front
The protection of circuit and complete machine electromagnetic protection.
Described rear radome 6, uses spot welding mode to be installed on the reverse side of VHF radio-frequency channel module 5；Anti-for channel module
The protection of face circuit and complete machine electromagnetic protection.
The fundamental design idea of the present invention includes three aspects: miniaturization structure design, integrated circuit design, FPGA is soft
Part designs.
1, miniaturization structure design: use integral fusion method for designing, by tradition VHF radio station again and again matched moulds part,
Radio frequency module, power module etc. optimize and combine and become a VHF radio-frequency channel module.6U clamping structure made by complete machine, uses certainly
The CPCI interface of definition, had both facilitated pluggable dismounting in car-mounted computer, had also improved the motility of design.Complete machine housing is adopted
With inner housing and shell body separately design, inner housing is connected with circuitry signal ground, shell body and car-mounted computer casing ground
Being connected so that separate with signal ground to casing, it is ensured that the safety indexes requirement of complete machine, the electromagnetism that simultaneously improve complete machine is held concurrently
Capacitive with and reliability.
2, integrated circuit design: complete machine main control circuit part, have employed scale programmable logic device APA150, tool
There are 150K system door, 66 available I/O and built-in programmable flash technology, it is not necessary to additional configuration chip, complete machine can be completed and patrol
The logic controls such as the extension of volume interface and channel transceiver path, frequency synthesis, frequency selection.Frequency closes circuit part, have employed lock
Phase ring core sheet ADF4002, it has been internally integrated between phase discriminator and VCO, and master control FPGA employing spi bus form and has completed to control
Information is transmitted.Intermediate-frequency circuit part, uses integrated crystal filter STXF04E124.8M70K, completes the filter of an intermediate-freuqncy signal
Ripple.Radio circuit part, the discrete device using two integrated frequency hopping tuning filtering devices to substitute tradition VHF radio station builds filtering
Device, compressible circuit footprint and reduction machine debugging workload.
3, FPGA software design: use modularity, the thought of hierarchical design, software is divided into serial ports interactive module, intermediate frequency
Frequency closes control module, radio frequency control module and top layer mapping block.By receiving the frequency word information of baseband processing module, merit
Rate state and reiving/transmitting state, channel control word information, complete the logic control of each functional module to VHF radio-frequency channel.
The work process of the present invention includes two kinds of duties:
When 1, receiving: radiofrequency signal is delivered to through LNA amplification after radio circuit first order tuning filtering device frequency-selective filtering
Second level tuning filtering device frequency-selective filtering, is sent to intermediate-frequency circuit and send baseband processing module to enter after twice amplification, mixing
Row processes.
When 2, launching: the intermediate-freuqncy signal that baseband processing module sends is sent to radio frequency after twice mixing of intermediate-frequency circuit is amplified
Circuit part, is launched by antenna opening after two-stage tuning filtering, amplification.
The present invention uses Combined design integrated, integrated, it is achieved that a complete VHF wireless communication link,
Can interconnect with current main flow VHF ultrashort wave radio set, can be by carried-on-vehicle computer system platform and other unit construction and integration
The communication system of integration, meets car load communication requirement.The present invention has small in volume, pluggable installation, anti-interference energy
Power is strong, reliability high.
Accompanying drawing explanation
Fig. 1 overall structure of the present invention schematic diagram
Fig. 2 baseband processing module of the present invention schematic diagram
Fig. 3 shell body of the present invention schematic diagram
Fig. 4 inner housing of the present invention schematic diagram
Fig. 5 VHF radio-frequency channel module electrical schematic diagram
Symbol description in figure:
1 is cover plate
2 is baseband processing module
3 is shell body
31 is shielding cavity
32 is locking strip
33 is pin removal
4 is inner housing
5 is VHF radio-frequency channel module
51 is FPGA governor circuit
52 is frequency synthesizer circuit
53 is intermediate-frequency circuit
54 is rf processing circuitry
6 is rear radome housing
Detailed description of the invention
Refer to shown in Fig. 1 to Fig. 5, for the specific embodiment of the invention.
As can be seen from Figure 1:
The present invention includes cover plate 1, baseband processing module 2, shell body 3, inner housing 4, VHF radio-frequency channel module 5, shields afterwards
Cover cover 6, totally 6 parts, and described baseband processing module 2, inner housing 4, VHF radio-frequency channel module 5, screw laminated type fix
After, load in the cavity formed by cover plate 1, shell body 3 and radome 6, constitute an entirety.
As can be seen from Figure 5:
Described VHF radio-frequency channel module 5, includes again FPGA governor circuit 51, frequency synthesizer circuit 52, intermediate-frequency circuit
53, rf processing circuitry 54；And fpga chip N1 the 91st～97 pin and the rf processing circuitry of channel master control FPGA circuitry 51
3rd～10 pins of tuning filtering device U43 with U83 of 54 are that multiplexing type is connected；19th～21 pins of N1 and frequency synthesis electricity
The coarse tuning voltage on road 52 produces 4～6 pins of chip U15 and is connected；30th～32 pins of N1 and the one of frequency synthesizer circuit 52
11～13 pins of local oscillator phase-locked loop chip U9 are connected；33rd～35 pins of N1 and the digit synthesis core of frequency synthesizer circuit 52
39～41 pins of sheet U13 are connected；Two local oscillator phase-locked loop chip U11's of the 72nd～74 pins of N1 and frequency synthesizer circuit 52
11～13 pins are connected；The resistance R33 of the 1st pin and the frequency synthesizer circuit 52 of the one-level mixing chip U42 of intermediate-frequency circuit 53,
R334 intersects at A point；1st pin of two grades of intermediate-frequency circuit 53 mixing chip U44 and the resistance R919 of frequency synthesizer circuit 52,
R920 intersects at B point；The electric capacity C303 of the intermediate-frequency circuit 53 and electric capacity C407 of rf processing circuitry 54 is connected in C point.
As can be seen from Figure 2:
Described baseband processing module 2, is connected with VHF radio-frequency channel module 5 by 2 64 core sockets, solid by 8 screws
On inner housing 4.
As can be seen from Figure 3:
Described shell body 3, is provided with locking strip 32 in shielding cavity 31 both sides, is provided above pin removal at shielding cavity 31
33。
As can be seen from Figure 4:
Described inner housing 4, uses 13 screws to be fixed on the front of VHF radio-frequency channel module 5.
What deserves to be explained is, in the present invention, main devices model is followed successively by: FPGA gate array able to programme in FPGA governor circuit
Row chip N1, model is APA150-TQ100I；Tuning filtering device U43 and U83 in rf processing circuitry, model is JTMF3088-
T3-1；Digit synthesis chip U13 in frequency synthesizer circuit, model is AD9952YSV.Remaining each components and parts is technical grade product,
Housing parts is polish self-made components.
Above example, is only technical characteristic and the embodiment of the explanation present invention, its object is to make the skill in this field
Art personnel will appreciate that present disclosure and are embodied as.Thus, all conversion made according to the design of the present invention and modification,
It is all contained in scope of the presently claimed invention, files an application according to Patent Law.
Claims (6)
1. a plug-in wireless communication interface based on VHF frequency range controls card, includes cover plate (1), baseband processing module
(2), shell body (3), inner housing (4), VHF radio-frequency channel module (5), rear radome (6), at totally 6 parts, and described base band
Reason module (2), inner housing (4), VHF radio-frequency channel module (5), screw laminated type, after fixing, load by cover plate (1), shell
In the cavity that body (3) and rear radome (6) are formed, constitute an entirety, it is characterized in that:
Described VHF radio-frequency channel module (5), includes again FPGA governor circuit (51), frequency synthesizer circuit (52), intermediate-frequency circuit
(53), rf processing circuitry (54)；And at fpga chip N1 the 91st～97 pin of channel master control FPGA circuitry (51) and radio frequency
3rd～10 pins of tuning filtering device U43 with U83 of reason circuit (54) are that multiplexing type is connected；19th～21 pins of N1 and frequency
The coarse tuning voltage of rate combiner circuit (52) produces 4～6 pins of chip U15 and is connected；30th～32 pin and the frequency synthesis of N1
11～13 pins of one local oscillator phase-locked loop chip U9 of circuit (52) are connected；33rd～35 pin and the frequency synthesizer circuits of N1
(52) 39～41 pins of digit synthesis chip U13 are connected；72nd～74 pins of N1 and the two of frequency synthesizer circuit (52)
11～13 pins of local oscillator phase-locked loop chip U11 are connected；1st pin of the one-level mixing chip U42 of intermediate-frequency circuit (53) and frequency
Resistance R33, R334 of rate combiner circuit (52) intersects at A point；1st pin of two grades of mixing chip U44 of intermediate-frequency circuit (53)
B point is intersected at resistance R919, R920 of frequency synthesizer circuit (52)；The electric capacity C303 of intermediate-frequency circuit (53) and radio frequency processing electricity
The electric capacity C407 on road (54) is connected in C point；For realizing rf large-signal protection, receiving signal tuning frequency-selecting, Up/Down Conversion, little
The functions such as signal amplification and filtering；It is additionally operable to realize intermediate frequency launch the Up/Down Conversion of signal, amplification, tuning filtering and receive and dispatch logical
The functions such as road switching control.
2. plug-in wireless communication interface based on VHF frequency range as claimed in claim 1 controls card, it is characterized in that:
Described baseband processing module (2), is connected with VHF radio-frequency channel module (5) by 2 64 core sockets, solid by 8 screws
On inner housing (4)；For realizing the functions such as modulation /demodulation, intermediate frequency digital conversion, Error Correction of Coding and network control.
3. plug-in wireless communication interface based on VHF frequency range as claimed in claim 1 controls card, it is characterized in that:
Described cover plate (1), uses 8 screws to be fixed on inner housing (4)；For the protection of baseband processing module, can when needing
Pull down fixing screw, facilitate baseband processing module to dismount.
4. plug-in wireless communication interface based on VHF frequency range as claimed in claim 1 controls card, it is characterized in that:
Described shell body (3), is made up of totally shielding cavity (31), locking strip (32), pin removal (33) three parts；In shielding cavity (31)
Both sides are provided with locking strip (32), are provided above pin removal (33) at shielding cavity (31), are used for realizing communication interface and control card
Plug-in in car-mounted computer is installed.
5. plug-in wireless communication interface based on VHF frequency range as claimed in claim 1 controls card, it is characterized in that:
Described inner housing (4), uses 13 screws to be fixed on the front of VHF radio-frequency channel module (5)；For channel module front
The protection of circuit and complete machine electromagnetic protection.
6. plug-in wireless communication interface based on VHF frequency range as claimed in claim 1 controls card, it is characterized in that:
Described rear radome (6), uses spot welding mode to be installed on the reverse side of VHF radio-frequency channel module (5)；Anti-for channel module
The protection of face circuit and complete machine electromagnetic protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610724081.9A CN106209139B (en) | 2016-08-25 | 2016-08-25 | Plug-in wireless communication interface control card based on VHF frequency band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610724081.9A CN106209139B (en) | 2016-08-25 | 2016-08-25 | Plug-in wireless communication interface control card based on VHF frequency band |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106209139A true CN106209139A (en) | 2016-12-07 |
| CN106209139B CN106209139B (en) | 2021-01-05 |
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ID=57524530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610724081.9A Active CN106209139B (en) | 2016-08-25 | 2016-08-25 | Plug-in wireless communication interface control card based on VHF frequency band |
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| Country | Link |
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Citations (7)
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|---|---|---|---|---|
| US5628056A (en) * | 1994-05-26 | 1997-05-06 | Econologic Technologies | Apparatus for converting TV audio signals for reception on a nearby AM and/or FM receiver |
| CN101232292A (en) * | 2008-01-16 | 2008-07-30 | 中国民航大学 | Method and system for suppressing moderate double channel civil aviation ground and aviation communication constant module interference |
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| CN105429648A (en) * | 2015-11-09 | 2016-03-23 | 武汉中元通信股份有限公司 | Channel switching module based on VHF/UHF double-frequency radio station |
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-
2016
- 2016-08-25 CN CN201610724081.9A patent/CN106209139B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5628056A (en) * | 1994-05-26 | 1997-05-06 | Econologic Technologies | Apparatus for converting TV audio signals for reception on a nearby AM and/or FM receiver |
| CN101232292A (en) * | 2008-01-16 | 2008-07-30 | 中国民航大学 | Method and system for suppressing moderate double channel civil aviation ground and aviation communication constant module interference |
| CN104158561A (en) * | 2014-08-12 | 2014-11-19 | 西安烽火电子科技有限责任公司 | Short wave frequency hopping signal processing method |
| CN104219007A (en) * | 2014-08-22 | 2014-12-17 | 武汉中元通信股份有限公司 | Wireless channel module integrating frequency synthetic, frequency-modulating medium frequency amplifying, power amplifying and low pass |
| CN105429648A (en) * | 2015-11-09 | 2016-03-23 | 武汉中元通信股份有限公司 | Channel switching module based on VHF/UHF double-frequency radio station |
| CN105281802A (en) * | 2015-11-30 | 2016-01-27 | 武汉中元通信股份有限公司 | Broad-band radio frequency universal receiving/transmitting unit suitable for radio station |
| CN206041979U (en) * | 2016-08-25 | 2017-03-22 | 武汉中元通信股份有限公司 | Plug -in radio communication IC interface control card based on VHF frequency channel |
Non-Patent Citations (1)
| Title |
|---|
| 侯群: "甚高频(VHF)跳频电台接收模块的设计与实现", 《无线电工程》 * |
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| CN106209139B (en) | 2021-01-05 |
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