CN101977087A - Air interface monitoring system for automatic train protection (ATP) system - Google Patents
Air interface monitoring system for automatic train protection (ATP) system Download PDFInfo
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- CN101977087A CN101977087A CN2010105105073A CN201010510507A CN101977087A CN 101977087 A CN101977087 A CN 101977087A CN 2010105105073 A CN2010105105073 A CN 2010105105073A CN 201010510507 A CN201010510507 A CN 201010510507A CN 101977087 A CN101977087 A CN 101977087A
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Abstract
The invention relates to an air interface monitoring system for an automatic train protection (ATP) system. The monitoring system comprises a host machine, two radio frequency jumpers and a power wire, wherein the host machine is connected with the two radio frequency jumpers and the power wire. Compared with the prior art, the monitoring system has the advantages of monitoring and analyzing the performance of an air interface, monitoring the standing-wave ratio of the air interface of the ATP system and the transmitting power of a master timer (MT) and the like.
Description
Technical field
The present invention relates to a kind of interface monitor system, especially relate to a kind of ATP air interface monitoring system.
Background technology
The quality of antenna standing wave will determine the scope that radiofrequency signal covers in radio communication, and in the high-power RF signal after standing wave worsens, can have high-power reflection, will cause signal cover to diminish or damage radio-frequency devices when serious.
Under the C3 pattern, it is very important that the RF interface of vehicle-mounted ATP equipment is monitored.Vehicle-mounted ATP equipment transmits information and data by the GSM-R channel module, and GSM-R belongs to TDMA (time division multiple access) system, and each carrier wave carries 8 time slots, and each time slot accounts for 148bits, is equivalent to 577 μ s.
At present, the product that on the market constant signal standing wave is detected is a lot, but the product that the self-adjusting travelling carriage standing wave of the power of frequency hopping mode detects is not seen.
Summary of the invention
Purpose of the present invention is exactly a kind of ATP air interface monitoring system that provides for the defective that overcomes above-mentioned prior art existence.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of ATP (automatic train protection system) air interface monitoring system is characterized in that, comprises main frame, two radio frequency wire jumpers, power line, and described main frame is connected with two radio frequency wire jumpers, power lines respectively.
Described main frame comprises master control borad, power module, EMI filtering, LCDs, first dual directional coupler, second dual directional coupler, first input interface, first output interface, second input interface, second output interface, power interface, and described master control borad is provided with the first forward interface, the second forward interface, first contradirectional interface, second contradirectional interface;
The input of described first dual directional coupler is connected with first input interface, the first forward interface respectively, and the output of described first dual directional coupler is connected with first output interface, first contradirectional interface respectively;
The input of described second dual directional coupler is connected with second input interface, the second forward interface respectively, and the output of described second dual directional coupler is connected with second output interface, second contradirectional interface respectively;
Described electromagnetic interface filter one end is connected with power interface, and the other end is connected with power module;
The input of described power module connects electromagnetic interface filter, and output is connected to master control borad;
Described LCDs is connected with master control borad.
Described two a radio frequency wire jumpers wherein radio frequency wire jumper are connected between first input interface, first output interface, and an other radio frequency wire jumper is connected between second input interface, second output interface.
Described power line is connected with power interface.
Described power line is AC220V/DC110V three core power lines.
Described main frame is provided with the RS232 interface.
Compared with prior art, the present invention has the following advantages:
1, is used for the vehicle-mounted ATP equipment operation when the C3 pattern, supervision analysis to the performance of air interface, can monitor the standing-wave ratio of ATP air interface, the parameters such as transmitting power of MT, the standing wave of the self-adjusting travelling carriage of power that the radio frequency detection of utilization wide dynamic range and computer technology have solved the frequency hopping mode detects problem.
2, can be used for ATP equipment and go out the warehouse-in detection, judgment device air interface performance, the utilization stability of raising equipment; Simultaneously can be in running real-time tracking, the air interface information of stored record ATP equipment.
3, compatible analog-and digital-system.
4, adopt the through type test mode, but the real work situation of monitoring equipment.
5, liquid crystal display, indication is understood, is with backlight.
6, display voltage standing-wave ratio, power and warning information.
7, small volume and less weight.
8, have computer interface, but real time data is uploaded.
9, power supply, AC/DC.
Description of drawings
Fig. 1 is the structural representation of main frame 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, a kind of ATP air interface monitoring system comprises main frame, two radio frequency wire jumpers, power line, and described main frame is connected with two radio frequency wire jumpers, power lines respectively.
Described main frame comprises master control borad 1, power module 6, EMI filtering 2, LCDs 3, first dual directional coupler 4, second dual directional coupler 5, the first input interface IN1, the first output interface OUT1, the second input interface IN1, the second output interface OUT1, power interface, and described master control borad 1 is provided with the first forward interface, the second forward interface, first contradirectional interface, second contradirectional interface;
The input of described first dual directional coupler 4 is connected with the first input interface IN1, the first forward interface respectively, and the output of described first dual directional coupler is connected with the first output interface OUT1, first contradirectional interface respectively;
The input of described second dual directional coupler 5 is connected with the second input interface IN2, the second forward interface respectively, and the output of described second dual directional coupler is connected with the second output interface OUT2, second contradirectional interface respectively;
Described electromagnetic interface filter 2 one ends are connected with power interface, and the other end is connected with power module 6;
The input of described power module 6 connects electromagnetic interface filter 3, and output is connected to master control borad 1;
Described LCDs 3 is connected with master control borad 1.
Described two a radio frequency wire jumpers wherein radio frequency wire jumper are connected between the first input interface IN1, the first output interface OUT1, and an other radio frequency wire jumper is connected between the second input interface IN2, the second output interface OUT2.
Described power line is connected with power interface.
Described power line is AC220V/DC110V three core power lines.
Described main frame is provided with the RS232 interface.
Index of the present invention is as follows:
(1) frequency range: 350MHz-1.0GHz;
(2) maximum power: 50WRMS, 100WP-P;
(3) insert loss:＜1.2dB;
(4) insert standing-wave ratio:＜1.05to 1GHz;
(5) compatible FM and GSM-R system;
(7) precision :+/-5% error;
(8) measuring range: standing-wave ratio 1～10; Power: 10mW～50W;
(9) transmit the reception data by RS232.
(10) power supply input: 220Vac/50Hz or 110Vdc.
The present invention uses the radio frequency detection of wide dynamic range and the standing wave of the self-adjusting travelling carriage of power that computer technology has solved the frequency hopping mode to detect problem.Reached comparatively desirable measuring accuracy.
Claims (6)
1. an ATP air interface monitoring system is characterized in that, comprises main frame, two radio frequency wire jumpers, power line, and described main frame is connected with two radio frequency wire jumpers, power lines respectively.
2. a kind of ATP air interface monitoring system according to claim 1, it is characterized in that, described main frame comprises master control borad, power module, EMI filtering, LCDs, first dual directional coupler, second dual directional coupler, first input interface, first output interface, second input interface, second output interface, power interface, and described master control borad is provided with the first forward interface, the second forward interface, first contradirectional interface, second contradirectional interface;
The input of described first dual directional coupler is connected with first input interface, the first forward interface respectively, and the output of described first dual directional coupler is connected with first output interface, first contradirectional interface respectively;
The input of described second dual directional coupler is connected with second input interface, the second forward interface respectively, and the output of described second dual directional coupler is connected with second output interface, second contradirectional interface respectively;
Described electromagnetic interface filter one end is connected with power interface, and the other end is connected with power module;
The input of described power module connects electromagnetic interface filter, and output is connected to master control borad;
Described LCDs is connected with master control borad.
3. a kind of ATP air interface monitoring system according to claim 1, it is characterized in that, described two a radio frequency wire jumpers wherein radio frequency wire jumper are connected between first input interface, first output interface, and an other radio frequency wire jumper is connected between second input interface, second output interface.
4. a kind of ATP air interface monitoring system according to claim 1 is characterized in that described power line is connected with power interface.
5. a kind of ATP air interface monitoring system according to claim 1 is characterized in that, described power line is AC220V/DC 110V three core power lines.
6. a kind of ATP air interface monitoring system according to claim 1 is characterized in that described main frame is provided with the RS232 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105105073A CN101977087A (en) | 2010-10-18 | 2010-10-18 | Air interface monitoring system for automatic train protection (ATP) system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105105073A CN101977087A (en) | 2010-10-18 | 2010-10-18 | Air interface monitoring system for automatic train protection (ATP) system |
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| Publication Number | Publication Date |
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| CN101977087A true CN101977087A (en) | 2011-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105105073A Pending CN101977087A (en) | 2010-10-18 | 2010-10-18 | Air interface monitoring system for automatic train protection (ATP) system |
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| JP2006148407A (en) * | 2004-11-18 | 2006-06-08 | Leader Electronics Corp | Instrument for measuring characteristic of tuner |
| CN101021451A (en) * | 2007-03-30 | 2007-08-22 | 株洲南车时代电气股份有限公司 | Train running monitoring device comprehensive test method and comprehensive testbench |
| CN101082643A (en) * | 2007-07-09 | 2007-12-05 | 南京广顺网络通信设备有限公司 | stationary wave power monitoring instrument and working method thereof |
| US20080074268A1 (en) * | 2006-09-25 | 2008-03-27 | Sensormatic Electronics Corporation | Method and system for standing wave detection for radio frequency identification marker readers |
| CN201072879Y (en) * | 2007-03-07 | 2008-06-11 | 中兴通讯股份有限公司 | Radio frequency test system |
| CN101574975A (en) * | 2009-06-03 | 2009-11-11 | 北京六捷科技有限公司 | Vehicle monitoring system based on CTCS-3 level train control system and terminal thereof |
| CN201854286U (en) * | 2010-10-18 | 2011-06-01 | 上海新干通通信设备有限公司 | ATP (automatic train protection) air interface monitoring device |
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2010
- 2010-10-18 CN CN2010105105073A patent/CN101977087A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006148407A (en) * | 2004-11-18 | 2006-06-08 | Leader Electronics Corp | Instrument for measuring characteristic of tuner |
| US20080074268A1 (en) * | 2006-09-25 | 2008-03-27 | Sensormatic Electronics Corporation | Method and system for standing wave detection for radio frequency identification marker readers |
| CN201072879Y (en) * | 2007-03-07 | 2008-06-11 | 中兴通讯股份有限公司 | Radio frequency test system |
| CN101021451A (en) * | 2007-03-30 | 2007-08-22 | 株洲南车时代电气股份有限公司 | Train running monitoring device comprehensive test method and comprehensive testbench |
| CN101082643A (en) * | 2007-07-09 | 2007-12-05 | 南京广顺网络通信设备有限公司 | stationary wave power monitoring instrument and working method thereof |
| CN101574975A (en) * | 2009-06-03 | 2009-11-11 | 北京六捷科技有限公司 | Vehicle monitoring system based on CTCS-3 level train control system and terminal thereof |
| CN201854286U (en) * | 2010-10-18 | 2011-06-01 | 上海新干通通信设备有限公司 | ATP (automatic train protection) air interface monitoring device |
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Application publication date: 20110216 |