CN208241666U - 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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- CN208241666U CN208241666U CN201820636258.4U CN201820636258U CN208241666U CN 208241666 U CN208241666 U CN 208241666U CN 201820636258 U CN201820636258 U CN 201820636258U CN 208241666 U CN208241666 U CN 208241666U
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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 multi-system access platform leakage cable includes: master data processing module and N number of from data processing module；N≥2；It is communicated to connect from data processing module with the master data processing module described in each.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, comprising: master data processing module and N number of from data processing module；N≥2；It is each described from data processing module with it is described
The communication connection of master data processing module；
The master data processing module includes primary processor, main signal transceiver, detection signal generator and the inspection of main power
Survey device；It is each described from data processing module include: filter amplifier, secondary power detector, auxiliary processor, sub signal transceiver
And combiner；
One end of the detection signal generator is connect with the primary processor, the other end of the detection signal generator
It is connect with the main power detector；One end of the main power detector is connect for sending detection signal, institute with radio frequency line
The other end for stating main power detector is connect with the primary processor；The primary processor also connects with the main signal transceiver
It connects；
One end of the combiner connect the transmitting-receiving for signal, the other end of the combiner and the filter with radio frequency line
Twt amplifier connection；One end of the pair power detector is connect with the filter amplifier, the secondary power detector it is another
One end is connect with the auxiliary processor, and one end of the sub signal transceiver is connect with the auxiliary processor, and the sub signal is received
The other end of hair device is connect with the combiner.
Further, the master data processing module further includes being connected to the detection signal generator and the main power
Radio frequency attenuator between detector.
Further, the filter amplifier includes SAW filter and radio frequency amplifier；
One end of the SAW filter is connect with the combiner, and the other end is connect with the radio frequency amplifier；It is described
Radio frequency amplifier is also connect with the secondary power detector.
Preferably, the detection signal generator is phaselocked loop.
It is further, each described to be communicated to connect from data processing module with the master data processing module, specifically:
Each main letter for passing through the combiner and the master data processing module from the sub signal transceiver of data processing module
The connection of number transceiver communications.
Further, the master data processing module further includes display screen；The display screen is connect with the primary processor.
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 main directional coupler；It is each described from data processing module
It further include secondary directional coupler；
One end of the main directional coupler is connect with the output end of proximal end multi-system access platform, the main directional couple
The other end of device is connect with the input terminal of leakage cable, and the coupling port of the main directional coupler passes through the radio frequency line and the master
Power detector connection；
One end of the pair directional coupler is connected with the output end of a corresponding distal end multi-system access platform, described
The other end of secondary directional coupler is connect with the output end of leakage cable, and the coupling port of the pair directional coupler passes through the radio frequency
Line is connect with the combiner.
Correspondingly, the utility model also provides a kind of detection system of multi-system access platform leakage cable, comprising: multisystem connects
Enter detection device, proximal end multi-system access platform, N number of 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 each distal end multi-system access platform with it is described
The output end connection of cable is leaked, the output end of N number of distal end multi-system access platform also leaks cable with the multi-system access platform
The N number of of detection device map connection one by one from data processing module.
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 N number of from data processing
Module；The primary processor as described in master data processing module is connect with the detection signal generator, the primary processor control
It makes the detection signal generator and sends detection signal to the main power detector；Main power detector detects detection signal
Initial gain value, and by the detection signal by radio frequency line be delivered to leakage cable inside transmit；Due to the main power
Detector is connect with the primary processor, and the primary processor obtains the initial power；The detection signal of leakage cable output passes through
Radio frequency line enters each combiner from data processing module, and the detection signal is transmitted to filter amplifier by combiner
After being filtered amplification, the detection letter exported from data processing module position leakage cable is detected into secondary power detector
Number actual power value, since secondary power detector is connect with auxiliary processor, auxiliary processor obtains the actual power value, vice division chief
Reason device control sub signal transceiver by actual power value by combiner be sent to leakage cable enter multi-system access platform realize and
The communication of master data processing module, makes host processor in order according to each from data processing module actual power value and initial power
The loss situation of rate value judgement leakage cable, and when leakage cable loss situation is serious, primary processor is reported by main signal transceiver, from
And realize the installation situation of remote real time monitoring leakage cable, leakage cable is detected without interrupting communication and carrying cumbersome apparatus.
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 includes: master data processing module 10 and N number of from data processing
Module 20；N≥2；It is communicated to connect from data processing module 20 with the master data processing module 10 described in each；
The master data processing module 10 includes primary processor 101, main signal transceiver 102, detection signal generator 103
With main power detector 104；
It is each described from data processing module 20 include: filter amplifier 201, secondary power detector 202, auxiliary processor
203, sub signal transceiver 204 and combiner 205；
One end of the detection signal generator 103 is connect with the primary processor 101, the detection signal generator
103 other end is connect with the main power detector 104；One end of the main power detector 104 connect use with radio frequency line
Signal is detected in sending, the other end of the main power detector 104 is connect with the primary processor 101；The primary processor
101 also connect with the main signal transceiver 102；
One end of the combiner 205 connect the transmitting-receiving for signal with radio frequency line, the other end of the combiner 205 with
The filter amplifier 201 connects；One end of the pair power detector 202 is connect with the filter amplifier 201, the pair
The other end of power detector 202 is connect with the auxiliary processor 203, one end of the sub signal transceiver 204 and the pair
Processor 203 connects, and the other end of the sub signal transceiver 204 is connect with the combiner 205.
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.The combiner is power splitter, English name Power
Input signal energy all the way can be divided into the device of two-way or the equal or unequal energy of multiple-channel output by divider, or will be more
Signal energy synthesis in road exports all the way.The technical indicator of power splitter includes frequency range, the distribution for bearing power, main road to branch
Insertion loss, the isolation between tributary port, the voltage standing wave ratio of each port etc. between loss, input and output；Power splitter is pressed
Output is generally divided into one-to-two, one point three, one point four, one point eight, one point 16 etc.；Guarantee one between the output port of power splitter
Fixed isolation.
Specifically, the primary processor as described in master data processing module is connect with the detection signal generator, described
Primary processor controls the detection signal generator and sends detection signal to the main power detector；Main power detector detection
The initial gain value of signal is detected out, and the detection signal is delivered to inside leakage cable by radio frequency line and is transmitted；Due to
The main power detector is connect with the primary processor, and the primary processor obtains the initial power；Leak the inspection of cable output
It surveys signal and each combiner from data processing module is entered by radio frequency line, the detection signal is transmitted to by combiner
After filter amplifier is filtered amplification, detect that this is defeated from data processing module position leakage cable into secondary power detector
The actual power value of detection signal out, since secondary power detector is connect with auxiliary processor, auxiliary processor obtains the reality
Actual power value is sent to leakage cable by combiner and enters multisystem access by performance number, auxiliary processor control sub signal transceiver
Platform realization is communicated with master data processing module, makes host processor in order according to each from data processing module actual power
The loss situation of value and initial gain value judgement leakage cable, and when leakage cable loss situation is serious, primary processor is received by main signal
Hair device reports, so that device systems locating for leakage cable are either in working condition or preliminary debugging state, to realize remote
Journey real-time monitoring leaks the installation situation of cable, detects without interrupting communication and carrying cumbersome apparatus to 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 main 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 with the combiner 205, the other end and the radio frequency amplifier 212
Connection；The radio frequency amplifier 212 is also connect with the secondary power detector 202.
Preferably, the detection signal generator 103 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 (RFPA) 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, specifically: 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 PLLIC (phase-locked loop intergrated circuit), voltage-controlled vibration
It swings device and provides a signal, a part makees phase by frequency dividing and local oscillation signal caused by PLLIC as output, another part
Comparing, in order to which keep frequency is constant, it is desirable to phase difference does not change, if dephased variation, the voltage of PLLIC
The voltage of output end changes, and removes control VCO, until phase difference recovery, achievees the purpose that locking phase.
Further, each described to be communicated to connect from data processing module 20 with the master data processing module 10, tool
Body are as follows: the sub signal transceiver 204 from data processing module 20 by the combiner 205 and the master data from
The main signal transceiver 102 for managing module 10 communicates to connect.
Further, the master data processing module 10 further includes display screen 106；The display screen 106 and the main place
Device 101 is managed to connect.
Preferably, the display screen 106 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 main directional coupler 107；It is each described from data processing
Module 20 further includes secondary directional coupler 206；
One end of the main directional coupler 107 is connect with the output end of proximal end multi-system access platform, the main orientation
The other end of coupler 107 is connect with the input terminal of leakage cable, and the coupling port of the main directional coupler 107 passes through the radio frequency
Line is connect with the main power detector 104；
One end of the pair directional coupler 206 is connected with the output end of a corresponding distal end multi-system access platform,
The other end of the pair directional coupler 206 is connect with the output end of leakage cable, and the coupling port of the pair directional coupler 206 is logical
The radio frequency line is crossed to connect with the combiner 205.
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 primary processor 101 of block 10 is that phaselocked loop is connect with the detection signal generator 103, and the primary processor 101 controls described
It detects signal generator 103 and generates detection signal, 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 the main power detector 104, the radio frequency attenuator 105 is by the inspection after decaying
It surveys signal and is delivered to the main power detector 104；The main power detector 104 receives the detection signal after decaying
Afterwards, the corresponding voltage of the signal power is exported to the primary processor 101；And the main power detector 104 is by penetrating
The detection signal is delivered to the coupling port of the main directional coupler 107 by frequency line, due to the main directional coupler 107
One end connect with the output end of proximal end multi-system access platform, the other end of the main directional coupler 107 is defeated with leakage cable
Enter end connection, so that detection signal input leakage cable is transmitted；The primary processor 101 passes through the main power detector
104 voltage values sent obtain the initial power (P0) 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
In road when any one distal end multi-system access platform；Since one end of the secondary directional coupler 206 is corresponding and the distal end polyphyly
The other end of the output end connection of system access platform, the pair directional coupler 206 is connect with the output end of leakage cable, from data
The detection signal for leaking cable output is delivered to institute by radio frequency line by the coupling port for managing the secondary directional coupler 206 of module 20
Combiner 205 is stated, the detection signal is delivered to the SAW filter 211 and is filtered by the combiner 205 later, together
The passband frequency range that sample presets the SAW filter 211 is the output signal frequency point for detecting signal generator 103, i.e.,
The stopband frequency range of the SAW filter 211 includes CDMA800 (825-835MHz, 870-880MHz) and GSM900 (885-
915MHz, 930-960MHz) frequency range, so that by described in the filtered detection signal entrance of the SAW filter 211
Radio frequency amplifier 212 amplifies；It is amplified since the radio frequency amplifier 212 is connect with the secondary power detector 202
The detection signal enters the secondary power detector 202；The pair power detector 202 exports the detection signal power phase
The voltage that corresponding voltage is sent to the auxiliary processor 203, the auxiliary processor 203 by the secondary power detector 202
Value obtains this actual power (PN) for leaking detection signal described in cable from data processing module position；Due to the pair
Signal transceiver 204 is connect with the auxiliary processor 203, and the auxiliary processor 203 controls the sub signal transceiver 204 for institute
It states the coherent signal of actual power (PN) to be sent to after leakage cable enters multi-system access platform by the combiner 205, enter
Realize signal transmission in base station；The actual power (PN) is sent to the master data processing module 10 to realize.
Since the sub signal transceiver 204 communication is connected by the combiner 205 with the main signal transceiver 102
It connects, the primary processor 101 is connect with the main signal transceiver 102, the primary processor 101 of the master data processing module 10
Carry out network communication by the main signal transceiver 102, receive sent described in n-th from data processing module 20 should be from
The corresponding actual power in data processing module position (PN).The primary processor 101 according to the actual power (PN) and
Initial power (P0), from first from the corresponding actual power (P1) of data processing module to N from data processing module pair
The actual power (PN) answered, the difference power of actual power and initial power described in cycle calculations, as detects signal one by one
Difference power in process of passing through tunnel after the transmission of leakage cable.The primary processor 101 often has been calculated a difference power and judges the power immediately
The insertion loss requirement whether difference meets preset leakage cable road judges to leak whether cable has open circuit or abnormal phenomenon；As the master
When the primary processor 101 of data processing module 10 judges that the difference power does not meet the insertion loss requirement of the leakage cable, the master
The corresponding informance of the difference power and the tested cable that leaks hunting is reported to leakage cable prison by the main signal transceiver 102 by processor 101
Platform is surveyed, and controls the display screen 106 and shows the difference power and give a warning；When the main place of the master data processing module 10
When reason device 101 judges that the difference power meets the insertion loss requirement of the leakage cable, controls the display screen 106 and show the power
Difference, and carry out next difference power from 20 corresponding actual power and the initial power of data processing module.So that leakage cable institute
The device systems at place are either in working condition or preliminary debugging state, and the detection of the multi-system access platform leakage cable is set
The standby installation situation for capableing of remote real time monitoring leakage cable always, to realize the detection device of the multi-system access platform leakage cable
Remote real time monitoring POI leaks the installation situation of cable, detects without interrupting communication and carrying cumbersome apparatus to 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, comprising: multisystem connects
Enter detection device 301, proximal end multi-system access platform 302, N number of distal end multi-system access platform 303 and the leakage cable of platform leakage cable
304；
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；Each distal end multi-system access platform 303
Output end with it is described leakage cable 304 output end connect, the output end of N number of distal end multi-system access platform 303 also with institute
The N number of of detection device 301 for stating multi-system access platform leakage cable maps connection from data processing module 20 one by one.
It should be noted that the output end of the proximal end multi-system access platform 302 passes through the main directional coupler 107
It is connect with the input terminal of the leakage cable 304, the coupling port of the main directional coupler 107 passes through radio frequency line and the multisystem
The main power detector 104 that access platform leaks the detection device 301 of cable connects；Each distal end multi-system access platform 303
Output end connect by the secondary directional coupler 206 with the output end of the leakage cable 304, the secondary directional coupler 206
The combiner 205 of detection device 301 of coupling port and the multi-system access platform leakage cable connect.The leakage cable 304 is answered
It is the multistage leakage cable that more transparent transmission type multi-system access platforms (POI) are connected in tunnel with scene.The multi-system access platform
(Point of Interface, abbreviation POI) refers to specific between multisystem base station information source and indoor distributed system antenna feeder
Equipment is equivalent to the higher combiner of performance indicator, has and is combined multisystem base station information source and exports to indoor distribution
The antenna feeder equipment of 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 that multi-system access platform leaks cable includes master data processing module and N number of from data processing module；Due to master data
Primary processor described in processing module is connect with the detection signal generator, and the primary processor controls the detection signal hair
Raw device sends detection signal to the main power detector；Main power detector detects the initial gain value of detection signal, and
The detection signal is delivered to inside leakage cable by radio frequency line and is transmitted；Due to the main power detector and the main place
Device connection is managed, the primary processor obtains the initial power；The detection signal for leaking cable output enters each institute by radio frequency line
State the combiner from data processing module, the detection signal is transmitted to after filter amplifier is filtered amplification by combiner,
The actual power value of the detection signal exported from data processing module position leakage cable is detected into secondary power detector,
Since secondary power detector is connect with auxiliary processor, auxiliary processor obtains the actual power value, and auxiliary processor controls sub signal
Actual power value is sent to leakage cable by combiner and enters multi-system access platform realization and master data processing module by transceiver
Communication makes host processor leak cable from data processing module actual power value and initial gain value judgement according to each in order
Situation is lost, and when leakage cable loss situation is serious, primary processor is reported by main signal transceiver, to realize long-range real-time
The installation situation of 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 characterized by comprising master data processing module and it is N number of from
Data processing module；N≥2；It is communicated to connect from data processing module with the master data processing module described in each；
The master data processing module includes primary processor, main signal transceiver, detection signal generator and main power detector；
It is each described from data processing module include: filter amplifier, secondary power detector, auxiliary processor, sub signal transceiver and conjunction
Road device；
One end of the detection signal generator is connect with the primary processor, the other end of the detection signal generator and institute
State main power detector connection；One end of the main power detector is connect for sending detection signal, the master with radio frequency line
The other end of power detector is connect with the primary processor；The primary processor is also connect with the main signal transceiver；
One end of the combiner connect the transmitting-receiving for signal with radio frequency line, and the other end of the combiner is put with the filtering
Big device connection；One end of the pair power detector is connect with the filter amplifier, the other end of the pair power detector
It is connect with the auxiliary processor, one end of the sub signal transceiver is connect with the auxiliary processor, the sub signal transceiver
The other end connect with the combiner.
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 the main 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 with the combiner, and the other end is connect with the radio frequency amplifier；The radio frequency
Amplifier is also connect with the secondary 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 it is each it is described from
Data processing module is communicated to connect with the master data processing module, specifically: each pair from data processing module
Signal transceiver is connect by the combiner with the main signal transceiver communications of the master 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 display screen；The display screen is connect with the primary 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 main directional coupler；It further include secondary directional coupler from data processing module described in each；
One end of the main directional coupler is connect with the output end of proximal end multi-system access platform, the main directional coupler
The other end is connect with the input terminal of leakage cable, and the coupling port of the main directional coupler passes through the radio frequency line and the main power
Detector connection；
One end of the pair directional coupler is connected with the output end of a corresponding distal end multi-system access platform, described secondary fixed
Connect to the other end of coupler with the output end of leakage cable, the coupling port of the pair directional coupler by the radio frequency line and
The combiner connection.
10. a kind of detection system of multi-system access platform leakage cable characterized by comprising multi-system access platform leaks cable
Detection device, proximal end multi-system access platform, N number of 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 and the leakage cable of each distal end multi-system access platform
Output end connection, the output end of N number of distal end multi-system access platform also with the multi-system access platform leakage cable inspection
The N number of of measurement equipment maps connection from data processing module one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820636258.4U CN208241666U (en) | 2018-04-27 | 2018-04-27 | A kind of detection device and system of multi-system access platform leakage cable |
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| CN201820636258.4U CN208241666U (en) | 2018-04-27 | 2018-04-27 | A kind of detection device and system of multi-system access platform leakage cable |
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