CN204216906U - Portable railway disturbed test device - Google Patents
Portable railway disturbed test device Download PDFInfo
- Publication number
- CN204216906U CN204216906U CN201420702231.2U CN201420702231U CN204216906U CN 204216906 U CN204216906 U CN 204216906U CN 201420702231 U CN201420702231 U CN 201420702231U CN 204216906 U CN204216906 U CN 204216906U
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- China
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- module
- monitoring
- gps
- antenna
- railway
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- Expired - Fee Related
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- Monitoring And Testing Of Transmission In General (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The utility model relates to a kind of Portable railway disturbed test device, comprises, monitoring directional antenna, monitoring main frame, gps antenna and power supply adaptor; Described monitoring main frame is connected by interface with monitoring directional antenna and gps antenna.The utility model adopts software and radio technique, special in the daily O&M demand of railway GSM-R, be integrated with signal scanning, spectrum analysis, field strength measurement, orientation survey, base station testing, GPS location, real time record and the function such as playback, report form statistics in one, improve operating efficiency.The radio station's measurement of electromagnetic environment carrying out Along Railway and station periphery can be assisted, grasp region electromagnetic spectrum situation of deploying to ensure effective monitoring and control of illegal activities at any time, investigate and prosecute radio interference in time, optimize GSM-R network station layout.For round Realization electromagnetic environment monitoring and management and Along Railway and the unimpeded of station periphery radio communication provide effective technical support and guarantee; Equipment volume is little, simple to operation.
Description
Technical field
The utility model relates to a kind of radio frequency signal processing equipment, particularly a kind of Portable railway disturbed test device.
Background technology
Along with the fast development of railway traffic, if there is wireless interference signal to produce larger threat by the safe operation of electric railway in Along Railway and station periphery.At present, also do not have this type of professional equipment can realize interference analysis, record and evidence obtaining fast, effectively tackle wireless interference signal, for the unimpeded of railway communication provides effective technical support and guarantee.
Utility model content
In order to solve above-mentioned existing issue, the utility model provides a kind of Portable railway disturbed test device.The utility model solves the technical scheme that its technical problem adopts: Portable railway disturbed test device, comprises, monitoring directional antenna, monitoring main frame, gps antenna and power supply adaptor; Described monitoring main frame is connected by interface with monitoring directional antenna and gps antenna;
Described monitoring main frame includes receiver module, signal processing module, embedded industrial computer, GPS module, display screen and lithium battery module; FPGA programmable control chip and intermediate frequency capture card is provided with in described signal processing module;
The receiver module of settling signal receiving function is connected by interface with monitoring directional antenna;
The signal processing module of settling signal sampling and processing capacity connects receiver module and embedded industrial computer respectively;
The embedded industrial computer of settling signal analytical calculation processing capacity connects GPS module and display screen;
The GPS module completing GPS location and writing function connects gps antenna by interface;
The lithium battery module of powering for whole device connects signal processing module, receiver module, embedded industrial computer, GPS module and display screen respectively; Described lithium battery module is connected with power supply adaptor by interface.
Described monitoring directional antenna is passive logarithm periodic antenna.
The utility model signal processing module adopts the multiplex (MUX) capturing and coding technology based on large-scale F PGA and DSP, frequency range 930MHz ~ 934MHz/885MHz ~ 889MHz is used for Ministry of Railways GSM-R, achieve the 20 real-time original I in road, Q data acquisition and demodulation, cover all channels of whole uplink and downlink simultaneously; And the parameter of each channelizing passage independently can be set, as bandwidth, gain, demodulation mode, carry out wide band scan and arrowband record and reach parallel and analyze in real time and record.
The beneficial effect that the utility model has is: adopt the multiplex (MUX) capturing and coding technology based on large-scale F PGA and DSP, the parameter of each channelizing passage can be independently set, as bandwidth, gain, demodulation mode etc., be equivalent to the function that can realize original 20 narrow-band receivers with an equipment; Realize the spectrum analysis of interference signal, interference source orientation analysis function, base station signal analysis, bandwidth measurement function, electronic chart application, the preservation of Monitoring Data, process and statistical analysis, auto-alarming function; Realize covering the full frequency band of GSM-R uplink and downlink frequency range simultaneously, high-speed data disposal ability can reach the monitoring sweep speed of 3.0GHz/s, the channel that can catch whole frequency range and take in real time in whole wireless communication frequency band, instantaneous, and by surveying known signal storehouse and the comparison of frequency samples storehouse, the illegal signals that communications band occurs can be found fast, ensure the safe operation of railway.
Accompanying drawing explanation
Fig. 1 is the utility model structural schematic block diagram.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1, Portable railway disturbed test device, comprises, monitoring directional antenna, monitoring main frame, gps antenna and power supply adaptor; Described monitoring main frame is connected by interface with monitoring directional antenna and gps antenna;
Described monitoring main frame includes receiver module, signal processing module, embedded industrial computer, GPS module, display screen and lithium battery module; FPGA programmable control chip and intermediate frequency capture card is provided with in described signal processing module;
The receiver module of settling signal receiving function is connected by interface with monitoring directional antenna;
The signal processing module of settling signal sampling and processing capacity connects receiver module and embedded industrial computer respectively;
The embedded industrial computer of settling signal analytical calculation processing capacity connects GPS module and display screen;
The GPS module completing GPS location and writing function connects gps antenna by interface;
The lithium battery module of powering for whole device connects signal processing module, receiver module, embedded industrial computer, GPS module and display screen respectively; Described lithium battery module is connected with power supply adaptor by interface.
Described monitoring directional antenna is passive logarithm periodic antenna.
Implementation process: by input control receiver module on the monitoring frequency point needed, simultaneously to the embedded industrial computer transmitting order to lower levels in monitoring main frame, embedded industrial computer sends control word and acquisition parameter instruction by 104plus bus to signal processing module; Receiver module will change to intermediate frequency 70MHz under signal, then exports signal processing module to and carry out A/D collection after intermediate frequency amplifies, and then after carrying out Digital Down Convert, filtering, obtains original I, the Q data of signal.
When signal is directed, after monitoring directional antenna sets starting point, by certain stepping rotating 360 degrees, the orientation that level is maximum and arrival bearing.
Signal processing module adopts the multiplex (MUX) capturing and coding technology based on large-scale F PGA and DSP, frequency range 930MHz ~ 934MHz/885MHz ~ 889MHz is used for Ministry of Railways GSM-R, achieve the 20 real-time original I in road, Q data acquisition and demodulating data, cover all channels of whole uplink and downlink simultaneously; And the parameter of each channelizing passage independently can be set, as bandwidth, gain, demodulation mode, carry out wide band scan and arrowband record and reach parallel and analyze in real time and record.
The utility model adopts software and radio technique, special in the daily O&M demand of railway GSM-R, be integrated with signal scanning, spectrum analysis, field strength measurement, orientation survey, base station testing, GPS location, real time record and the function such as playback, report form statistics in one, improve operating efficiency.The radio station's measurement of electromagnetic environment carrying out Along Railway and station periphery can be assisted, grasp region electromagnetic spectrum situation of deploying to ensure effective monitoring and control of illegal activities at any time, investigate and prosecute radio interference in time, optimize GSM-R network station layout.For round Realization electromagnetic environment monitoring and management and Along Railway and the unimpeded of station periphery radio communication provide effective technical support and guarantee.Equipment volume is little, lightweight, simple to operation.
Claims (2)
1. a Portable railway disturbed test device, is characterized in that, comprises, monitoring directional antenna, monitoring main frame, gps antenna and power supply adaptor; Described monitoring main frame is connected by interface with monitoring directional antenna and gps antenna;
Described monitoring main frame includes receiver module, signal processing module, embedded industrial computer, GPS module, display screen and lithium battery module; FPGA programmable control chip and intermediate frequency capture card is provided with in described signal processing module;
The receiver module of settling signal receiving function is connected by interface with monitoring directional antenna;
The signal processing module of settling signal sampling and processing capacity connects receiver module and embedded industrial computer respectively;
The embedded industrial computer of settling signal analytical calculation processing capacity connects GPS module and display screen;
The GPS module completing GPS location and writing function connects gps antenna by interface;
The lithium battery module of powering for whole device connects signal processing module, receiver module, embedded industrial computer, GPS module and display screen respectively; Described lithium battery module is connected with power supply adaptor by interface.
2. Portable railway disturbed test device as claimed in claim 1, it is characterized in that, described monitoring directional antenna is passive logarithm periodic antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420702231.2U CN204216906U (en) | 2014-11-21 | 2014-11-21 | Portable railway disturbed test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420702231.2U CN204216906U (en) | 2014-11-21 | 2014-11-21 | Portable railway disturbed test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204216906U true CN204216906U (en) | 2015-03-18 |
Family
ID=52985537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420702231.2U Expired - Fee Related CN204216906U (en) | 2014-11-21 | 2014-11-21 | Portable railway disturbed test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204216906U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105764074A (en) * | 2016-05-18 | 2016-07-13 | 成都福兰特电子技术股份有限公司 | Portable wireless monitoring equipment |
| CN111856523A (en) * | 2020-08-06 | 2020-10-30 | 成都微能铁信科技有限公司 | Portable GPS big dipper antenna measurement recorder |
-
2014
- 2014-11-21 CN CN201420702231.2U patent/CN204216906U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105764074A (en) * | 2016-05-18 | 2016-07-13 | 成都福兰特电子技术股份有限公司 | Portable wireless monitoring equipment |
| CN111856523A (en) * | 2020-08-06 | 2020-10-30 | 成都微能铁信科技有限公司 | Portable GPS big dipper antenna measurement recorder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150318 Termination date: 20181121 |