CN208143214U - A kind of detection device and system of multi-system access platform leakage cable - Google Patents
A kind of detection device and system of multi-system access platform leakage cable Download PDFInfo
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- CN208143214U CN208143214U CN201820624339.2U CN201820624339U CN208143214U CN 208143214 U CN208143214 U CN 208143214U CN 201820624339 U CN201820624339 U CN 201820624339U CN 208143214 U CN208143214 U CN 208143214U
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Abstract
The utility model discloses the detection device and system of a kind of multi-system access platform leakage cable, the detection device of the multi-system access platform leakage cable includes:Master data processing module and from data processing module;It is described to be communicated to connect from data processing module and the master data processing module.The utility model realizes the installation situation of remote real time monitoring multi-system access platform leakage cable, detects without interrupting communication and carrying cumbersome apparatus to leakage cable.
Description
Technical field
The utility model belongs to leakage cable loss detection field, and in particular to a kind of detection of multi-system access platform leakage cable is set
Standby and system.
Background technique
Leak abbreviation (Leaky Coaxial Cable) that cable is leakage coaxial cable usually referred to as leaky cable or leakage again
Cable is let out, structure and common coaxial cable are almost the same, by inner conductor, dielectric and are provided with the outer of periodical slot and lead
Body three parts composition.Pass through slot outwardly radiated electromagnetic wave while electromagnetic wave longitudinally transmits in leaking cable;Extraneous electromagnetism
Field can also be sensed inside leakage cable by slot and be transmitted to receiving end.The prior art tests multisystem platform (POI, Point
Of Interface) leakage cable installation it is whether correct and when having detected whether breaking phenomena, one of method is to set when all
After standby and leakage cable is installed and introduces base station signal, the artificial signal using professional test equipment along leakage cable line test
Intensity.Another method is to introduce the line loss of signal source and frequency spectrograph test leakage cable.But existing measuring technology has following
Defect:When needing the insertion loss of the test leakage cable when POI leakage cable equipment uses to whether there is problem, it is necessary to manually carry stupid
Heavy equipment, and need to disconnect the input and output port connecting test equipment of POI leakage cable equipment, cause communication disruption.
Utility model content
The purpose of this utility model is to provide the detection device and system of a kind of multi-system access platform leakage cable, realizes remote
Journey real-time monitoring multi-system access platform leaks the installation situation of cable, examines without interrupting communication and carrying cumbersome apparatus to leakage cable
It surveys.
In order to solve the above technical problems, the detection that the utility model embodiment provides a kind of multi-system access platform leakage cable is set
It is standby, including:Master data processing module and from data processing module;It is described from data processing module and the master data processing module
Communication connection;Wherein,
The master data processing module includes first processor, the first signal transceiver, detection signal generator and first
Power detector;It is described from data processing module include filter amplifier, the second power detector, second processor and second letter
Number transceiver;
One end of the detection signal generator is connect with the first processor, described to detect the another of signal generator
End is connect with first power detector;One end of first power detector is connect for sending detection letter with radio frequency line
Number, the other end of first power detector is connect with the first processor;The first processor is also with described first
Signal transceiver connection;
One end of the filter amplifier connect with radio frequency line for receive detection signal, the filter amplifier it is another
End is connect with second power detector;One end of the second processor is connect with second power detector, described
The other end of second processor is connect with the second signal transceiver.
Further, the master data processing module further includes being connected to the detection signal generator and first function
Radio frequency attenuator between rate detector.
Further, the filter amplifier includes SAW filter and radio frequency amplifier;
One end of the SAW filter is connect for receiving the detection signal, the other end and the radio frequency with radio frequency line
Amplifier connection;The radio frequency amplifier is also connect with second power detector.
Preferably, the detection signal generator is phaselocked loop.
Further, described to be communicated to connect from data processing module and the master data processing module, specially:The master
First signal transceiver of data processing module is connect with described from the second signal transceiver communications of data processing module.
Further, the master data processing module further includes the first display screen;It is described to further include from data processing module
Second display screen;Wherein, first display screen is connect with the first processor;At the second display screen and described second
Manage device connection.
Preferably, the display screen includes cathode-ray tube display, plasma display or liquid crystal display.
Preferably, the signal transceiver is modem.
Further, the master data processing module further includes the first directional coupler;It is described from data processing module also
Including the second directional coupler;
One end of first directional coupler is connect with the output end of proximal end multi-system access platform, first orientation
The other end of coupler connect with the input terminal of leakage cable, the coupling port of first directional coupler by the radio frequency line and
The first power detector connection;
One end of second directional coupler is connect with the output end of distal end multi-system access platform, second orientation
The other end of coupler connect with the output end of leakage cable, the coupling port of second directional coupler by the radio frequency line and
The filter amplifier connection.
Correspondingly, the utility model also provides a kind of detection system of multi-system access platform leakage cable, including:Multisystem connects
Enter detection device, proximal end multi-system access platform, distal end multi-system access platform and the leakage cable of platform leakage cable;
The input terminal and multisystem access of the output end of the proximal end multi-system access platform and the leakage cable are flat
Platform leaks the master data processing module connection of the detection device of cable;The output end of the distal end multi-system access platform and the leakage cable
Output end and the multi-system access platform leakage cable detection device slave data processing module connection.
Compared with the prior art, a kind of multi-system access platform leakage detection device of cable of the utility model and having for system
Beneficial effect is:The detection device of multi-system access platform leakage cable includes master data processing module and from data processing mould
Block;The first processor as described in master data processing module is connect with the detection signal generator, the first processor
It controls the detection signal generator and sends detection signal to first power detector;First power detector detects
The initial gain value of signal is surveyed, and the detection signal is delivered to inside leakage cable by radio frequency line and is transmitted;Due to described
First power detector is connect with the first processor, and the first processor obtains the initial power;Leak cable output
Detection signal by radio frequency line enter described in be filtered amplification from the filter amplifier of data processing module after, into the second function
Rate detector detects the actual power value of the detection signal of leakage cable output, since the second power detector and second processor connect
It connecing, second processor obtains the actual power value, since master data processing module is communicated to connect with from data processing module, the
Actual power value is sent to first processor by two processors, so that first processor is according to actual power value and initial gain value
The loss situation of judgement leakage cable, and when leakage cable loss situation is serious, first processor reports pipe by the first signal transceiver
Platform, thus realize remote real time monitoring leakage cable installation situation, without interrupt communication and carry cumbersome apparatus to leakage cable into
Row detection.
Detailed description of the invention
Fig. 1 is that the structure of one embodiment of the detection device of multi-system access platform leakage cable provided by the utility model is shown
It is intended to;
Fig. 2 is the structure of another embodiment of the detection device of multi-system access platform leakage cable provided by the utility model
Schematic diagram;
Fig. 3 is the structural representation of the embodiment of the detection system of multi-system access platform leakage cable provided by the utility model
Figure.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
It is one embodiment of the detection device of multi-system access platform leakage cable provided by the utility model referring to Fig. 1
Structural schematic diagram, the detection device which leaks cable include:Master data processing module 10 and from data processing mould
Block 20;It is described to be communicated to connect from data processing module 20 and the master data processing module 10;Wherein,
The master data processing module 10 includes first processor 101, the first signal transceiver 102, detects signal
Device 103 and the first power detector 104;It is described to include filter amplifier 201, the second power detector from data processing module 20
202, second processor 203 and second signal transceiver 204;
One end of the detection signal generator 103 is connect with the first processor 101, the detection signal generator
103 other end is connect with first power detector 104;One end of first power detector 104 and radio frequency line connect
It connects for sending detection signal, the other end of first power detector 104 is connect with the first processor 101;It is described
First processor 101 is also connect with first signal transceiver 102;
One end of the filter amplifier 201 is connect for receiving detection signal, the filter amplifier 201 with radio frequency line
The other end connect with second power detector 202;One end of the second processor 203 and second power detection
Device 202 connects, and the other end of the second processor 203 is connect with the second signal transceiver 204.
It should be noted that radio frequency line described in the utility model embodiment is RF coaxial line, wire structure mainly divides
For conductor, insulator, shielded layer and outer quilt;RF coaxial line impedence generally has 50 Ω and 75 Ω, transmits for signal, such as mobile phone
Coaxial line just refers to that, used in interior of mobile phone, for receiving a bit of line of wifi signal, insulation is used Teflon material with outer
Material.The power detector receives data processing module and is amplified by what radio frequency line inputted by the SAW filter and radio frequency
The radiofrequency signal of device filter and amplification, and export the component of voltage corresponding with the power of the radiofrequency signal received.It is described
Processor is preferably CPU i.e. central processing unit, mainly includes arithmetic unit (ALU, Arithmetic and Logic Unit) and control
The big component of device (CU, Control Unit) two processed;In addition, further including several registers and cache memory and realizing it
Between the bus of data, control and state that contacts.
Specifically, the first processor as described in master data processing module is connect with the detection signal generator, institute
It states first processor and controls the detection signal generator transmission detection signal to first power detector;The inspection of first power
The initial gain value that device detects detection signal is surveyed, and the detection signal is delivered to inside leakage cable by radio frequency line and is passed
It is defeated;Since first power detector is connect with the first processor, first primary processor obtains the initial power
Rate;The detection signal of leakage cable output is filtered amplification from the filter amplifier of data processing module into described by radio frequency line
Afterwards, the actual power value that the detection signal of leakage cable output is detected into the second power detector, due to the second power detector
Connect with second processor, second processor obtains the actual power value, due to master data processing module with from data processing
Module communication connection, actual power value is sent to first processor by second processor, so that first processor is according to practical function
The loss situation of rate value and initial gain value judgement leakage cable, and when leakage cable loss situation is serious, first processor passes through first
Signal transceiver reports management platform, so that device systems locating for leakage cable are either in working condition or preliminary debugging shape
The detection device of state, multi-system access platform leakage cable is capable of the installation situation of remote real time monitoring leakage cable always, is not necessarily to
Open close letter and carrying cumbersome apparatus detect leakage cable.
Further, the master data processing module 10 further include be connected to the detection signal generator 103 with it is described
Radio frequency attenuator 105 between first power detector 104.
Further, the filter amplifier 201 includes SAW filter 211 and radio frequency amplifier 212;
One end of the SAW filter 211 is connect for receiving the detection signal with radio frequency line, the other end with it is described
Radio frequency amplifier 212 connects;The radio frequency amplifier 212 is also connect with second power detector 202.
Preferably, the detection signal generator is phaselocked loop.
It should be noted that radio frequency attenuator 106 described in the utility model embodiment is a kind of electronics for providing and decaying
Component is widely used in electronic equipment, it is mainly used for:(1) in adjustment circuit signal size;(2) than
Compared in method measuring circuit, the pad value of direct-reading tested network can be used to;(3) improve impedance matching;In the utility model embodiment
It is inserted into the radio frequency attenuator between the detection signal generator 103 and first power detector 104, can be buffered
The variation of impedance.SAW filter 211 (abbreviation SAW) the main function principle is the piezoelectric property using piezoelectric material, benefit
The input signal of electric wave is converted into mechanical energy with output transducer (Transducer) with input, after treatment, then machine
Tool can be converted into the signal of electricity, to reach the unnecessary signal of filtering and noise, promote the target of reception quality.SAW filter
It is widely used on various wireless telecommunication systems, television set, recorder and GPS receiver and substitutes LC
Resonance circuit is used for interstage coupling and filtering.Main function is noise to filter, simpler than traditional LC filter installation
List, volume are smaller.The radio frequency amplifier 212 (RF PA) is the important component of various wireless transmitters.In transmitter
In front stage circuits, RF signal power very little caused by modulation oscillator circuit, need by one buffer stage of a series of amplification,
Interstage amplifier section, final power amplifying stage after obtaining enough radio-frequency powers, can just be fed on antenna and radiate;For
The sufficiently large radio frequency power output of acquisition, using radio-frequency power amplifier amplifies signal.Further, described from number
It is communicated to connect according to processing module 20 and the master data processing module 10, specially:The first of the master data processing module 10
Signal transceiver 102 is connect with described from the second signal transceiver communications 204 of data processing module 20.The phaselocked loop is one
Kind typical feedback control circuit, using the frequency and phase of externally input reference signal control loop internal oscillation signal,
It realizes that output signal frequency automatically tracks frequency input signal, is generally used for Closed loop track circuit;It is in radio transmitting
Make a kind of method that frequency is relatively stable, mainly there is VCO (voltage controlled oscillator) and PLL IC (phase-locked loop intergrated circuit), voltage-controlled vibration
It swings device and provides a signal, a part makees phase with local oscillation signal caused by PLL IC by dividing as output, another part
Bit comparison, in order to which keep frequency is constant, it is desirable to phase difference does not change, if dephased variation, PLL IC's
The voltage of voltage output end changes, and removes control VCO, until phase difference recovery, achievees the purpose that locking phase.
Further, described to be communicated to connect from data processing module 20 and the master data processing module 10, specially:Institute
State the first signal transceiver 102 and the second signal transceiver from data processing module 20 of master data processing module 10
204 communication connections.
Further, the master data processing module 10 further includes the first display screen 106;It is described from data processing module 20
It further include second display screen 205;Wherein, first display screen 106 connect 101 with the first processor;Described second is aobvious
Display screen 205 is connect with the second processor 203.
Preferably, the display screen includes cathode-ray tube display, plasma display or liquid crystal display.
Preferably, the signal transceiver is modem.
Further, the master data processing module 10 further includes the first directional coupler 107;It is described from data processing mould
Block 20 further includes the second directional coupler 206;
One end of first directional coupler 107 is connect with the output end of proximal end multi-system access platform, and described first
The other end of directional coupler 107 is connect with the input terminal of leakage cable, and the coupling port of first directional coupler 107 passes through institute
Radio frequency line is stated to connect with first power detector 104;
One end of second directional coupler 206 is connect with the output end of distal end multi-system access platform, and described second
The other end of directional coupler 206 is connect with the output end of leakage cable, and the coupling port of second directional coupler 206 passes through institute
Radio frequency line is stated to connect with the filter amplifier 201.
It should be noted that directional coupler described in the utility model embodiment is a kind of general microwave/millimeter wave
Component, for the isolation, separation and mixing of signal, as the monitoring of power, source output power fixed ampllitude, signal source isolation, transmission and
The sweep check etc. of reflection;The key technical indexes is directional, standing-wave ratio, the degree of coupling, insertion loss.The modem,
For the abbreviation of Modulator (modulator) and Demodulator (demodulator), for the digital signal modulated to be transmitted to carrying
It is separated on wave or digital signal from carrier wave.It is defeated to be exactly converted into phone line by so-called modulation for digital signal
Analog signal;Analog signal, i.e., be converted into digital signal, be collectively referred to as modem by demodulation.The modem is being sent
End converts digital signals into analog signal by modulation, converts analog signals into digital letter again by demodulation in receiving end
Number.
As shown in Fig. 2, being another implementation of the detection device of multi-system access platform leakage cable provided by the utility model
The structural schematic diagram of example.
It should be noted that when the detection device of multi-system access platform leakage cable is to connecting multiple multisystems in tunnel
When the leakage cable of access platform (POI) is detected, the master data of the detection device of the multi-system access platform leakage cable handles mould
The first processor 101 of block 10 is that phaselocked loop is connect with the detection signal generator 103, and the first processor 101 controls
The detection signal generator 103 generates detection signal, and the detection signal is that transparent transmission frequency range removes CDMA800 in radiofrequency signal
Any frequency point other than (825-835MHz, 870-880MHz) and GSM900 (885-915MHz, 930-960MHz) frequency range
Signal.The detection signal is sent to the radio frequency attenuator 106 and carries out signal decaying by the detection signal generator 103;
Since the radio frequency attenuator 106 is connect with first power detector 104, the radio frequency attenuator 105 will be after decaying
Detection signal is delivered to first power detector 104;First power detector 104 receives the inspection after decaying
After surveying signal, the corresponding voltage of the signal power is exported to the first processor 101;And first power detector
104 are delivered to the detection signal by radio frequency line the coupling port of first directional coupler 107, due to described first
One end of directional coupler 107 is connect with the output end of proximal end multi-system access platform, first directional coupler 107 it is another
One end is connect with the input terminal of leakage cable, so that detection signal input leakage cable is transmitted;The first processor 101 passes through
The voltage value that first power detector 104 is sent obtains the initial power (P1) of the detection signal.
Since the detection signal transmits in tunnel leakage cable, when the detection signal is delivered to tunnel by leaking cable in tunnel
When leakage cable outside road, since one end of second directional coupler 206 is connect with the output end of distal end multi-system access platform,
The other end of second directional coupler 206 is connect with the output end of leakage cable, orients coupling from the second of data processing module 20
The coupling port of clutch 206 will leak the detection signal and original signal of cable output by radio frequency line, be delivered to the sound table filter
Wave device 211 is filtered, and the passband frequency range for presetting the SAW filter 211 is the detection signal generator 103
Output signal frequency point, i.e., the stopband frequency range of the described SAW filter 211 include CDMA800 (825-835MHz, 870-
880MHz) and GSM900 (885-915MHz, 930-960MHz) frequency range, so that after the SAW filter 211 filtering
The detection signal enter the radio frequency amplifier 212 amplify;Due to the radio frequency amplifier 212 and second function
Rate detector 202 connects, and the amplified detection signal enters second power detector 202;The second power inspection
It surveys device 202 and exports the corresponding voltage of the detection signal power to the second processor 203, the second processor 203
The actual power (P2) of the detection signal is obtained by the voltage value that second power detector 202 is sent;Due to described
Second signal transceiver 204 is connect with the second processor 203, and the second processor 203 is received by the second signal
It sends out device 204 and the actual power (P2) is sent to the master data processing module 10.
Since first signal transceiver 102 is communicated to connect with the second signal transceiver 204, first processing
Device 101 is connect with first signal transceiver 102, and the first processor 101 of the master data processing module 10 passes through described
First signal transceiver 102 receives the actual power (P2) of the detection signal sent from data processing module 20;
The first processor 101 calculates the detection signal process of passing through tunnel according to the actual power (P2) and initial power (P1)
Difference power after interior leakage cable transmission, and judge whether the difference power meets the preset insertion loss requirement for leaking cable road and sentence
Whether disconnected leakage cable has open circuit or abnormal phenomenon.When the first processor 101 of the master data processing module 10 judges the power
When difference does not meet the insertion loss requirement of the leakage cable, the first processor 101 will by first signal transceiver 102
The corresponding informance of the difference power and the tested cable that leaks hunting reports to leakage cable monitoring platform, and it is aobvious to control first display screen 106
Show the difference power and gives a warning;The first processor 101 also sends institute by first signal transceiver 102 simultaneously
Difference power is stated to the second processor 203 from data processing module 20, so that the second processor 203 controls described
Difference power described in two display screens, 205 simultaneous display simultaneously gives a warning.When the first processor 101 of the master data processing module 10
When judging that the difference power meets the insertion loss requirement of the leakage cable, the first processor 101 controls first display
The 106 display difference powers of screen, at the same the first processor 101 also sent by first signal transceiver 102 it is described
Difference power is to the second processor 203 from data processing module 20, so that the second processor 203 controls described second
Difference power described in 205 simultaneous display of display screen.So that device systems locating for leakage cable are either in working condition or preliminary
Debugging mode, the detection device of the multi-system access platform leakage cable are capable of the installation situation of remote real time monitoring leakage cable always,
To realize multi-system access platform leakage cable detection device remote real time monitoring POI leakage cable installation situation, be not necessarily to
Open close letter and carrying cumbersome apparatus detect leakage cable.
As shown in figure 3, being the knot of the embodiment of the detection system of multi-system access platform leakage cable provided by the utility model
Structure schematic diagram.
The utility model embodiment also provides a kind of detection system of multi-system access platform leakage cable, including:Multisystem connects
Enter detection device 301, proximal end multi-system access platform 302, distal end multi-system access platform 303 and the leakage cable 304 of platform leakage cable;
The input terminal and the multisystem of the output end of the proximal end multi-system access platform 302 and the leakage cable 304
The master data processing module 10 that access platform leaks the detection device 301 of cable connects;The distal end multi-system access platform 303 it is defeated
The detection device 301 of the output end and multi-system access platform leakage cable of outlet and the leakage cable 304 from data processing
Module 20 connects.
It should be noted that the output end of the proximal end multi-system access platform 302 passes through first directional coupler
107 connects with the input terminal of the leakage cable 304, the coupling port of first directional coupler 107 pass through radio frequency line with it is described
Multi-system access platform leaks the first power detector 104 connection of the detection device 301 of cable;The distal end multi-system access platform
303 output end is connect by second directional coupler 206 with the output end of the leakage cable 304, the second orientation coupling
The coupling port of clutch 206 leaks the SAW filter of the detection device 301 of cable by radio frequency line and the multi-system access platform
211 connections.
Leakage 306 application scenarios of cable can be the multistage of more transparent transmission type multi-system access platforms (POI) of connection in tunnel
Leak cable.The multi-system access platform (Point of Interface, abbreviation POI), refers to positioned at multisystem base station information source and room
Particular device between interior compartment system antenna feeder is equivalent to the higher combiner of performance indicator, has multisystem base station information source
It is combined and exports to the antenna feeder equipment of indoor distributed system, while opposite direction exports the signal branch from antenna feeder equipment
To the effect of each system information source.
In conclusion the detection device and system of a kind of multi-system access platform leakage cable provided by the utility model, described
The detection device of multi-system access platform leakage cable includes master data processing module and from data processing module;Due to master data processing
First processor described in module is connect with the detection signal generator, and the first processor controls the detection signal hair
Raw device sends detection signal to first power detector;First power detector detects the initial power of detection signal
Value, and the detection signal is delivered to inside leakage cable by radio frequency line and is transmitted;Due to first power detector with
The first processor connection, first primary processor obtain the initial power;The detection signal of leakage cable output is by penetrating
Frequency line enter it is described be filtered amplification from the filter amplifier of data processing module after, detected into the second power detector
The actual power value for leaking the detection signal of cable output, since the second power detector is connect with second processor, second processor
The actual power value is obtained, since master data processing module is communicated to connect with from data processing module, second processor will be real
Border performance number is sent to first processor, so that damage of the first processor according to actual power value and initial gain value judgement leakage cable
Situation is consumed, and when leakage cable loss situation is serious, first processor reports management platform by the first signal transceiver, thus real
The installation situation of existing remote real time monitoring leakage cable detects leakage cable without interrupting communication and carrying cumbersome apparatus.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Claims (10)
1. a kind of detection device of multi-system access platform leakage cable, which is characterized in that including:Master data processing module and from data
Processing module;It is described to be communicated to connect from data processing module and the master data processing module;Wherein,
The master data processing module includes first processor, the first signal transceiver, detection signal generator and the first power
Detector;Described from data processing module includes that filter amplifier, the second power detector, second processor and second signal are received
Send out device;
It is described detection signal generator one end connect with the first processor, it is described detect signal generator the other end and
The first power detector connection;One end of first power detector is connect for sending detection signal with radio frequency line,
The other end of first power detector is connect with the first processor;The first processor also with first signal
Transceiver connection;
One end of the filter amplifier connect with radio frequency line for receive detection signal, the other end of the filter amplifier with
The second power detector connection;One end of the second processor is connect with second power detector, and described second
The other end of processor is connect with the second signal transceiver.
2. a kind of detection device of multi-system access platform leakage cable as described in claim 1, which is characterized in that the master data
Processing module further includes the radio frequency attenuator being connected between the detection signal generator and first power detector.
3. a kind of detection device of multi-system access platform leakage cable as described in claim 1, which is characterized in that the filtering is put
Big device includes SAW filter and radio frequency amplifier;
One end of the SAW filter is connect for receiving the detection signal with radio frequency line, and the other end and the radio frequency amplify
Device connection;The radio frequency amplifier is also connect with second power detector.
4. a kind of detection device of multi-system access platform leakage cable as described in claim 1, which is characterized in that the detection letter
Number generator is phaselocked loop.
5. a kind of detection device of multi-system access platform leakage cable as described in claim 1, which is characterized in that described from data
Processing module and the master data processing module communicate to connect, specially:First signal transmitting and receiving of the master data processing module
Device is connect with described from the second signal transceiver communications of data processing module.
6. a kind of detection device of multi-system access platform leakage cable as described in claim 1, which is characterized in that the master data
Processing module further includes the first display screen;It is described from data processing module further include second display screen;Wherein, first display
Screen is connect with the first processor;The second display screen is connect with the second processor.
7. a kind of detection device of multi-system access platform leakage cable as claimed in claim 6, which is characterized in that the display screen
Including cathode-ray tube display, plasma display or liquid crystal display.
8. a kind of detection device of multi-system access platform leakage cable as described in claim 1, which is characterized in that the signal is received
Hair device is modem.
9. a kind of detection device of multi-system access platform leakage cable as described in claim 1, which is characterized in that the master data
Processing module further includes the first directional coupler;It is described from data processing module further include the second directional coupler;
One end of first directional coupler is connect with the output end of proximal end multi-system access platform, first directional couple
The other end of device connect with the input terminal of leakage cable, the coupling port of first directional coupler pass through the radio frequency line with it is described
The connection of first power detector;
One end of second directional coupler is connect with the output end of distal end multi-system access platform, second directional couple
The other end of device connect with the output end of leakage cable, the coupling port of second directional coupler pass through the radio frequency line with it is described
Filter amplifier connection.
10. a kind of detection system of multi-system access platform leakage cable, which is characterized in that including:Multi-system access platform leaks cable
Detection device, proximal end multi-system access platform, distal end multi-system access platform and leakage cable;
The detection device of the multi-system access platform leakage cable is the described in any item multi-system access platforms of claim 1 to 9
Leak the detection device of cable;
The input terminal and the multi-system access platform of the output end of the proximal end multi-system access platform and the leakage cable leak
The master data processing module of the detection device of cable connects;The output end of the distal end multi-system access platform is defeated with the leakage cable
The slave data processing module connection of the detection device of outlet and multi-system access platform leakage cable.
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