CN204948059U - A kind of hand-hold type AIS function detection equipment - Google Patents
A kind of hand-hold type AIS function detection equipment Download PDFInfo
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- CN204948059U CN204948059U CN201520692838.1U CN201520692838U CN204948059U CN 204948059 U CN204948059 U CN 204948059U CN 201520692838 U CN201520692838 U CN 201520692838U CN 204948059 U CN204948059 U CN 204948059U
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Abstract
A kind of hand-hold type AIS function detection equipment, the utility model relates to boats and ships automatic identification field, it is intended to solve existing AIS equipment exists and uses or carry inconvenience, and Signal transmissions spectral range is narrower, transport protocol compatibility difference and the technical problem such as signal transacting versatility is low.This equipment structural characteristics comprises signal processing module: comprising microcontroller, the dual mode receiver module be connected with microcontroller, and microcontroller is also connected with baseband signal processor; Comprise the signal transmitting and receiving module of carrying out information interaction with signal processing module further: comprising the antenna be connected successively, transceiver mode switching device shifter and Signal reception passage; Wherein, described transceiver mode switching device shifter is also connected with signal transmission channel; Wherein, described Signal reception passage and/or described signal transmission channel: comprising Surface Acoustic Wave Filter.The utility model is used for marine automatic navigation system.
Description
Technical field
The utility model relates to boats and ships automatic identification field, is specifically related to a kind of hand-hold type AIS function detection equipment.
Background technology
Ship automatic identification system (AIS) is formed by the radio recognition equipment development of naval vessel aircraft, global positioning system (GPS) is coordinated accommodation, ship's speed, the Ship dynamic situation such as rate and course that changes course to be broadcasted to Its Adjacent Waters boats and ships and base station by very high frequency(VHF) (VHF) channel in conjunction with boats and ships static datas such as name of vessel, catchword, drinking water and dangerous cargos, make contiguous boats and ships and base station can grasp the dynamic static information of all boats and ships in neighbouring sea in time, be able to converse mutually at once coordination, take necessary Anti-collision Actions, safety of ship is had very great help.
The AIS marine automatic navigation system generally used at present is common building berth, but common building berth receiving and transmitting signal only possesses the channel of two frequency ranges and data content is standard A IS agreement, can not receive, launch the signal of other frequency ranges or other consensus standards.In addition, the AIS base station platform that function is comparatively perfect, exists bulky, is inconvenient to carry and is inconvenient to problems such as controlling.
Summary of the invention
For above-mentioned prior art, the utility model object is to provide a kind of hand-hold type AIS function detection equipment, it is intended to solve existing AIS equipment exists and uses or carry inconvenience, and Signal transmissions spectral range is narrower, transport protocol compatibility difference and the technical problem such as signal transacting versatility is low.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of hand-hold type AIS function detection equipment, comprise signal processing module: comprising microcontroller, the dual mode receiver module be connected with microcontroller, microcontroller is also connected with baseband signal processor; Comprise the signal transmitting and receiving module of carrying out information interaction with signal processing module further: comprising the antenna be connected successively, transceiver mode switching device shifter and Signal reception passage; Wherein, described transceiver mode switching device shifter is also connected with signal transmission channel; Wherein, described Signal reception passage and/or described signal transmission channel: comprising Surface Acoustic Wave Filter.
In such scheme, preferably, described transceiver mode switching device shifter, comprises LC filter: be connected with antenna; The transmit-receive switch be connected with LC filter.Spatial volume is little, and structure is simple and with low cost.
In such scheme, described Signal reception passage, comprises the receiving circuit connected successively, frequency mixer and demodulation output unit; Demodulation output unit: output signal to signal processing module; Also comprise the modulation circuit that modulating mode controls by signal processing module, the first crystal oscillator be connected with modulation circuit; First crystal oscillator is also connected with frequency mixer.Provide the receive channel with reference signal mixing, the communication signal receiving various frequency range can be carried out, expand the versatility of equipment.
In such scheme, described signal transmission channel, comprises the modulation circuit that modulating mode controls by signal processing module, the first crystal oscillator be connected with modulation circuit, the radiating circuit be connected with first crystal oscillator; Radiating circuit outputs signal to transceiver mode switching device shifter.There is the pattern debug function that transmits, the communication signal receiving various frequency range can be carried out, expand the versatility of equipment.
In such scheme, described receiving circuit, comprises the amplitude limiter connected successively, the first Surface Acoustic Wave Filter, low noise amplifier and the second Surface Acoustic Wave Filter; Wherein, the second Surface Acoustic Wave Filter: output connects frequency mixer.Surface Acoustic Wave Filter and low noise amplifier carry out low gain decay filter and make an uproar; Frequency mixer achieve there is modulating mode reference signal and external signal matching to demodulate the signal of more multiple spectra and various protocols standard; Spatial volume is little, and structure is simple and with low cost.
In such scheme, described demodulation output unit, comprises the amplifier connected successively, crystal filter and mixing and intermediate frequency demodulation unit; Also comprise the second crystal oscillator: outputting oscillation signal is to mixing and intermediate frequency demodulation unit; Wherein, mixing and intermediate frequency demodulation unit: output signal to signal processing module.Expand JieDuHuaYu II Decoction section.
In such scheme, preferably, described modulation circuit, comprises frequency shift key modulation circuit.Antinoise and anti-decay property good.
In such scheme, preferably, described radiating circuit, comprises the 3rd Surface Acoustic Wave Filter connected successively, the first radio-frequency (RF) switch, power amplifier and the second radio-frequency (RF) switch; Wherein, the second radio-frequency (RF) switch: connect transceiver mode switching device shifter.Achieve structure simple, power consumption is lower, the signal transmission circuit that reliability is high and with low cost.
In such scheme, preferably, described signal transmission channel and/or Signal reception passage, comprise the channel of frequency range 156MHz to 163MHz.
In such scheme, preferably, described first crystal oscillator, by the first coupler, is connected with frequency mixer.Realize better insulation blocking function.
In such scheme, preferably, described first crystal oscillator, by the second coupler, is connected with radiating circuit.Realize better insulation blocking function.
In such scheme, preferably, described microcontroller, adopts LPC2478FBD208 model.Be convenient to integrated and with low cost.
In such scheme, preferably, described microcontroller, is also connected with memory cell.For storing AIS information data.
In such scheme, preferably, described microcontroller, is also connected with display control unit.Be convenient to programming or equipment operating, debugging frequency range.
In such scheme, preferably, described baseband signal processor, adopts CMX7042 model.Be convenient to programming, integrated and with low cost.
In such scheme, preferably, described dual mode receiver module, adopts ATGM332D model.Connect for Ethernet, GPS receives and external network communication; Be convenient to programming, integrated and with low cost.
In such scheme, preferably, described first crystal oscillator, adopts the reference crystal oscillator of 19.2MHz.Be convenient to integrated and with low cost.
In such scheme, preferably, communication protocol standard be ITU ?RM.1371 ?4 agreements.
Compared with prior art, the beneficial effects of the utility model are:
Achieve preferably ITU ?RM.1371 ?4 consensus standards ais signal transmitting-receiving; Off-gauge ais signal transmitting-receiving can be carried out; Use or easy to carry, Signal transmissions spectral range is wide, and transport protocol compatibility is good and signal transacting versatility is high; Be convenient to integrated, programming, power consumption is lower, and reliability is high, the comparatively simple and lower cost of structure.
Accompanying drawing explanation
Fig. 1 is the utility model model calling relation schematic diagram;
Fig. 2 is the utility model channel system schematic diagram in the specific implementation.
Embodiment
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the utility model model calling relation schematic diagram, and a kind of hand-hold type AIS function detection equipment, comprises signal processing module: comprising microcontroller, carries out the dual mode receiver module of information interaction with microcontroller, and realize Ethernet and connect, GPS locates; Microcontroller is also connected with baseband signal processor, achieves coding/decoding; The signal transmitting and receiving module of information interaction is carried out: comprising the antenna be connected successively, transceiver mode switching device shifter and Signal reception passage with signal processing module; Transceiver mode switching device shifter is also connected with signal transmission channel.
Embodiment 1
A kind of hand-held AIS function detection equipment comprises 1 Signal reception passage, and Received signal strength frequency range is 156MHz to 163MHz, and every 25KHz is a channel.
Embodiment 2
A kind of hand-held AIS function detection equipment comprises 1 signal transmission channel, and the carrier frequency of frequency shift key modulation circuit is 156MHz to 163MHz, the multiple channel signal of modulate emission, and transmitting power is 2W.
Embodiment 3
Fig. 2 is the utility model channel system schematic diagram in the specific implementation, and gain reduction parameter needs to keep.Particularly, LC filter :-2dB; Transmit-receive switch :-0.4dB; Surface Acoustic Wave Filter :-3dB/; Low noise amplifier: 22dB; Frequency mixer :-7.2dB; Amplifier: 16dB; Crystal filter :-3dB; Power amplifier: 25dB.
Embodiment 4
Described microcontroller, adopts LPC2478FBD208 model; Described baseband signal processor, adopts CMX7042 model; Described dual mode receiver module, adopts ATGM332D model; Described microcontroller, is also connected with memory cell; Described microcontroller, is also connected with display control unit; Processing hardware interconnected, completes the connection with AIS radio-frequency front-end; Complete synchronous, coding, decoding function and the Correlation method for data processing of message; Completion system power management, GPS reception, PERCOM peripheral communication, display and control etc.
Embodiment 5
Described microcontroller and/or processor are applicable to MCU, DSP, CPU or GPU, the RISC framework of APU, ARM or x86 framework, quantum or the photon CPU choice of technology.There is technological incorporation in the technical development making a general survey of microprocessor: optical communication chip, and the invention of Graphene chip makes network Development hardware occur unknown mutation, and the progress of technology is the reference of selection standard.But for changing bad invention, or cost viewpoint, only from the selection of technical scheme of practicality.
Embodiment 6
Described Signal reception passage, particularly, receive channel frequency error: >=± 500Hz; Receiving sensitivity :≤-107dBm/20%; Receive dynamically: >=100dB; Spurious reduction: >=50dBc; Anti-strong signal burns ability: >=1W (continuing 1min).
Embodiment 7
Described signal transmission channel, particularly, tranmitting frequency error :≤± 500Hz; Frequency stability: ± 2ppm; Transmitting power: >=33dBm; Harmonics restraint: >=30dBc; Clutter recognition: >=50dBc.
Embodiment 8
A kind of hand-held AIS function detection equipment, is provided with the first radio-frequency unit and the second radio-frequency unit; Be provided with the card slot for connecting expansion external function device and data-interface; Data-interface is bend cutting type.
Embodiment 9
A kind of hand-held AIS function detection equipment, external shell needs reserved bend cutting type power interface, bend cutting type data-interface, plug-in card notch, and two radio frequency mouths.
Embodiment 10
Described microcontroller, baseband signal processor and/or dual mode receiver module, not affecting under performance and compatibility condition, integrated further, be packaged in a central control processor, significantly reduce space hold.
The above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly belong to those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection range of the present utility model.
Claims (9)
1. a hand-hold type AIS function detection equipment, is characterized in that, comprises
Signal processing module: comprising microcontroller, the dual mode receiver module be connected with microcontroller, microcontroller is also connected with baseband signal processor;
Comprise the signal transmitting and receiving module of carrying out information interaction with signal processing module further: comprising the antenna be connected successively, transceiver mode switching device shifter and Signal reception passage;
Wherein, described transceiver mode switching device shifter is also connected with signal transmission channel;
Wherein, described Signal reception passage and/or described signal transmission channel: comprising Surface Acoustic Wave Filter.
2. a kind of hand-hold type AIS function detection equipment according to claim 1, it is characterized in that, described transceiver mode switching device shifter, comprises
LC filter: be connected with antenna;
The transmit-receive switch be connected with LC filter.
3. a kind of hand-hold type AIS function detection equipment according to claim 1, it is characterized in that, described Signal reception passage, comprises
The receiving circuit connected successively, frequency mixer and demodulation output unit;
Demodulation output unit: output signal to signal processing module; Also comprise
The modulation circuit that modulating mode controls by signal processing module, the first crystal oscillator be connected with modulation circuit;
First crystal oscillator is also connected with frequency mixer.
4. a kind of hand-hold type AIS function detection equipment according to claim 1, it is characterized in that, described signal transmission channel, comprises
The modulation circuit that modulating mode controls by signal processing module, the first crystal oscillator be connected with modulation circuit, the radiating circuit be connected with first crystal oscillator;
Radiating circuit outputs signal to transceiver mode switching device shifter.
5. a kind of hand-hold type AIS function detection equipment according to claim 3, is characterized in that described receiving circuit comprises the amplitude limiter connected successively, the first Surface Acoustic Wave Filter, low noise amplifier and the second Surface Acoustic Wave Filter;
Wherein, the second Surface Acoustic Wave Filter: output connects frequency mixer.
6. a kind of hand-hold type AIS function detection equipment according to claim 3, it is characterized in that, described demodulation output unit, comprises the amplifier connected successively, crystal filter and mixing and intermediate frequency demodulation unit;
Also comprise the second crystal oscillator: outputting oscillation signal is to mixing and intermediate frequency demodulation unit;
Wherein, mixing and intermediate frequency demodulation unit: output signal to signal processing module.
7. a kind of hand-hold type AIS function detection equipment according to claim 4, it is characterized in that, described modulation circuit, comprises frequency shift key modulation circuit.
8. a kind of hand-hold type AIS function detection equipment according to claim 4, is characterized in that, described radiating circuit, comprises the 3rd Surface Acoustic Wave Filter connected successively, the first radio-frequency (RF) switch, power amplifier and the second radio-frequency (RF) switch;
Wherein, the second radio-frequency (RF) switch: connect transceiver mode switching device shifter.
9. a kind of hand-hold type AIS function detection equipment according to claim 1, it is characterized in that, described signal transmission channel and/or Signal reception passage, comprise the channel of frequency range 156MHz to 163MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520692838.1U CN204948059U (en) | 2015-09-08 | 2015-09-08 | A kind of hand-hold type AIS function detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520692838.1U CN204948059U (en) | 2015-09-08 | 2015-09-08 | A kind of hand-hold type AIS function detection equipment |
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| CN204948059U true CN204948059U (en) | 2016-01-06 |
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| CN201520692838.1U Expired - Fee Related CN204948059U (en) | 2015-09-08 | 2015-09-08 | A kind of hand-hold type AIS function detection equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781374A (en) * | 2016-12-01 | 2017-05-31 | 广东技术师范学院 | A kind of self adaptation frequency corrects wireless remote controller |
| CN112448777A (en) * | 2019-09-05 | 2021-03-05 | 福建灵信信息科技有限公司 | Multifunctional wireless signal detection method |
-
2015
- 2015-09-08 CN CN201520692838.1U patent/CN204948059U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781374A (en) * | 2016-12-01 | 2017-05-31 | 广东技术师范学院 | A kind of self adaptation frequency corrects wireless remote controller |
| CN112448777A (en) * | 2019-09-05 | 2021-03-05 | 福建灵信信息科技有限公司 | Multifunctional wireless signal detection method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20180908 |