CN102142600B - Four-frequency-range antenna device of high-speed train of motor train unit - Google Patents
Four-frequency-range antenna device of high-speed train of motor train unit Download PDFInfo
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- CN102142600B CN102142600B CN2010105642374A CN201010564237A CN102142600B CN 102142600 B CN102142600 B CN 102142600B CN 2010105642374 A CN2010105642374 A CN 2010105642374A CN 201010564237 A CN201010564237 A CN 201010564237A CN 102142600 B CN102142600 B CN 102142600B
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Abstract
The invention relates to a four-frequency-range antenna device of a high-speed train of a motor train unit. The four-frequency-range antenna device comprises an antenna, a four-frequency-range shunt/combiner and a feeder line, wherein the four-frequency-range shunt/combiner comprises an input port and four output ports, and the antenna is connected with the input port of the four-frequency-range shunt/combiner through the feeder line. Compared with the prior art, the four-frequency-range antenna device has the advantages of reducing the cost, improving the aesthetic degree of the train and the like.
Description
Technical field
The present invention relates to a kind of antenna assembly, especially relate to a kind of train of high-speed motor train unit four band antenna devices.
Background technology
Antenna (antenna) is a kind of converter, and it is transformed into the electromagnetic wave of propagating to the guided wave of transmission above-the-line promotion in unbounded medium (normally free space), perhaps carry out opposite conversion.In wireless device, be used for emission or receive electromagnetic parts.The engineering systems such as radio communication, broadcasting, TV, radar, navigation, electronic countermeasures, remote sensing, radio astronomy, every electromagnetic wave that utilizes comes transmission of information, all relies on antenna to carry out work.In addition, aspect electromagnetic wave transmission energy, the energy emission of non-signal also needs antenna.General antenna all has invertibity, namely both can be used as transmitting antenna with common antenna, also can be used as reception antenna.The same antenna is identical as the fundamental characteristics parameter of emission or reception.
The employed antenna of point-to-train communication system (GSM-R etc.) and gps antenna are mutually independently at present, and in order to be installed in the train top, every antenna is installed separately, has increased the windage when train is advanced, and affects car body attractive in appearance.
Summary of the invention
Purpose of the present invention is exactly the EMU car four band antenna devices that provide a kind of in order to overcome the defective that above-mentioned prior art exists and reduced cost, improved the aesthetics of train.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of train of high-speed motor train unit four band antenna devices, it is characterized in that, comprise antenna, four frequency range combiner/devices, feeder line, described four frequency range combiner/devices are provided with an input port, four output ports, and described antenna is connected by the input port of feeder line with four frequency range combiner/devices.
Described antenna comprises radome, 802.11n frequency range sub antenna, GSM-R frequency range sub antenna, HRC (high-speed radiocommunication system) frequency range sub antenna, GPS frequency range sub antenna, aerial signal connects hard cable, described 802.11n frequency range sub antenna, GSM-R frequency range sub antenna, HRC frequency range sub antenna, GPS frequency range sub antenna, aerial signal connects hard cable and is located in the radome, described 802.11n frequency range sub antenna, GSM-R frequency range sub antenna, HRC frequency range sub antenna, GPS frequency range sub antenna is installed in aerial signal and connects on the hard cable, and described aerial signal connects hard cable and is connected with feeder line.
Described radome is the fin shape.
Described four output ports are 802.11n port, GSM-R port, HRC port, GPS port, described 802.11n port links to each other with the 802.11n channel device, the GSM-R port is connected with the GSM-R channel device, described HRC port is connected with the HRC channel device, and described GPS port is connected with the GPS module.
Described four frequency range combiner/devices comprise the 802.11n match circuit, the GSM-R match circuit, the HRC match circuit, the GPS match circuit, the GPS low noise amplifier, described 802.11n match circuit is connected between input port and the 802.11n port, described GSM-R match circuit is connected between input port and the GSM-R port, described HRC match circuit is connected between input port and the HRC port, described GPS match circuit output is connected with GPS low noise amplifier input, the input of described GPS match circuit is connected with input port, and described GPS low noise amplifier output is connected with the GPS port.
Compared with prior art, the present invention has by an antenna assembly and can be used simultaneously by 802.11n channel device, GSM-R channel device, HRC channel device and GPS module, does not affect in each systematic function situation, reduces train vehicle roof mount antenna quantity, reduce cost, improved the aesthetics of train.
Description of drawings
Fig. 1 is installation of the present invention structural representation ON TRAINS;
Fig. 2 is antenna structure view of the present invention;
Fig. 3 is the structural representation of four frequency range combiner/devices of the present invention;
Fig. 4 is the circuit diagram of match circuit of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment
As shown in Figure 1, the present invention makes shared antenna of each system on the train, reduces the quantity of train vehicle roof mount antenna.Train of high-speed motor train unit four band antenna devices, comprise antenna 1, four frequency range combiner/devices 2, feeder line 8, described four frequency range combiner/devices are provided with an input port, four output ports, and described antenna is connected with the input port of four frequency range combiner/devices 2 by feeder line 8.
As shown in Figure 2, described antenna 1 comprises radome 11,802.11n frequency range sub antenna 12, GPS frequency range sub antenna 13, GSM-R frequency range sub antenna 14, HRC frequency range sub antenna 15, aerial signal connects hard cable 16, described 802.11n frequency range sub antenna 12, GPS frequency range sub antenna 13, GSM-R frequency range sub antenna 14, HRC frequency range sub antenna 15, aerial signal connects hard cable 16 and is located in the radome 11, described, 802.11n frequency range sub antenna 12, GPS frequency range sub antenna 13, GSM-R frequency range sub antenna 14, HRC frequency range sub antenna 15 is installed in aerial signal and connects on the hard cable 16, and described aerial signal connects hard cable 16 and is connected with feeder line 8 at output.Described radome 11 is the fin shape.
Wherein:
1, the frequency range of 802.11n frequency range sub antenna 12: 5.75GHz-5.85GHz
2, the frequency range of GPS frequency range sub antenna 13: 1575.42 ± 5MHz, the right-handed circular polarization mode.
3, the frequency range of GSM-R frequency range sub antenna 14: 885-889MHz (travelling carriage is sent out, and receive the base station) 930-934MHz (base station is sent out, and travelling carriage is received);
4, the frequency range of HRC frequency range sub antenna 15: 566MHz-679MHz;
As shown in Figure 3, described four output ports are 802.11n port one 8, GSM-R port 21, HRC port 22, GPS port 23, described 802.11n port one 8 is connected with 802.11n channel device 6, GSM-R port 21 is connected with GSM-R channel device 5, described HRC port 22 is connected with HRC channel device 4, and described GPS port 23 is connected with GPS module 3.
Described four frequency range combiner/devices 2 comprise 802.11n match circuit 19, GSM-R match circuit 24, HRC match circuit 25, GPS match circuit 26, GPS low noise amplifier 27,5V power supply 28, described 802.11n match circuit 19 is connected between input port and the 802.11n port one 8, GSM-R match circuit 24 is connected between input port and the GSM-R port 21, described HRC match circuit 25 is connected between input port and the HRC port 22, described GPS match circuit 26 outputs are connected with GPS low noise amplifier 27 inputs, the input of described GPS match circuit 26 is connected with input port, described GPS low noise amplifier 27 outputs are connected with GPS port 23, and described 5V power supply 28 is connected with GPS low noise amplifier 27.
Described 802.11n match circuit 19, GSM-R match circuit 24, HRC match circuit 25, GPS match circuit 26 circuit structures are identical, as shown in Figure 4, this circuit structure is by a plurality of units match circuits cascadings, and is low in energy consumption, can be integrated in the mixer printed circuit board.
Claims (2)
1. train of high-speed motor train unit four band antenna devices, it is characterized in that, comprise antenna, four frequency range combiner/devices, feeder line, described four frequency range combiner/devices are provided with an input port, four output ports, and described antenna is connected by the input port of feeder line with four frequency range combiner/devices;
Described antenna comprises that radome, 802.11n frequency range sub antenna, GSM-R frequency range sub antenna, HRC frequency range sub antenna, GPS frequency range sub antenna, aerial signal connect hard cable, described 802.11n frequency range sub antenna, GSM-R frequency range sub antenna, HRC frequency range sub antenna, GPS frequency range sub antenna, aerial signal connect hard cable and are located in the radome, described 802.11n frequency range sub antenna, GSM-R frequency range sub antenna, HRC frequency range sub antenna, GPS frequency range sub antenna are installed in aerial signal and connect on the hard cable, and described aerial signal connects hard cable and is connected with feeder line;
Described four output ports are 802.11n port, GSM-R port, HRC port, GPS port, described 802.11n port links to each other with the 802.11n channel device, the GSM-R port is connected with the GSM-R channel device, described HRC port is connected with the HRC channel device, and described GPS port is connected with the GPS module;
Described four frequency range combiner/devices comprise the 802.11n match circuit, the GSM-R match circuit, the HRC match circuit, the GPS match circuit, the GPS low noise amplifier, described 802.11n match circuit is connected between input port and the 802.11n port, described GSM-R match circuit is connected between input port and the GSM-R port, described HRC match circuit is connected between input port and the HRC port, described GPS match circuit output is connected with GPS low noise amplifier input, the input of described GPS match circuit is connected with input port, and described GPS low noise amplifier output is connected with the GPS port.
2. a kind of train of high-speed motor train unit four band antenna devices according to claim 1 is characterized in that, described radome is the fin shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105642374A CN102142600B (en) | 2010-11-26 | 2010-11-26 | Four-frequency-range antenna device of high-speed train of motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105642374A CN102142600B (en) | 2010-11-26 | 2010-11-26 | Four-frequency-range antenna device of high-speed train of motor train unit |
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| Publication Number | Publication Date |
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| CN102142600A CN102142600A (en) | 2011-08-03 |
| CN102142600B true CN102142600B (en) | 2013-09-18 |
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| CN2010105642374A Active CN102142600B (en) | 2010-11-26 | 2010-11-26 | Four-frequency-range antenna device of high-speed train of motor train unit |
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| DE112018008123T5 (en) * | 2018-11-09 | 2021-07-22 | Honda Motor Co., Ltd. | Communication system |
| CN110797668B (en) * | 2019-10-25 | 2021-05-11 | 中国铁道科学研究院集团有限公司通信信号研究所 | Design method of railway vehicle-mounted multi-band combined antenna |
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| DE10215884A1 (en) * | 2002-04-11 | 2003-10-23 | Volkswagen Ag | Vehicle antenna change over device has device for switching first or second input terminal to output terminal, controller for driving switching device on basis of activity signal from vehicle device |
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Effective date of registration: 20170419 Address after: 200071 Shanghai Zhabei District Tibet North Road, building 10, floor 1-3, No. 489 Patentee after: CRSC COMMUNICATION & INFORMATION GROUP SHANGHAI CO., LTD. Address before: 200436 Shanghai, Zhabei District, West Road, room No. 508, room 179 Patentee before: Shanghai Tonghao Rail Transport Engineering Technology Research Center Co.,Ltd. |
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