CN208241664U - The detection device and system of multi-system access platform transparent transmission port loss - Google Patents
The detection device and system of multi-system access platform transparent transmission port loss Download PDFInfo
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- CN208241664U CN208241664U CN201820636231.5U CN201820636231U CN208241664U CN 208241664 U CN208241664 U CN 208241664U CN 201820636231 U CN201820636231 U CN 201820636231U CN 208241664 U CN208241664 U CN 208241664U
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- transparent transmission
- transmission port
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- access platform
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Abstract
The utility model discloses the detection device and system of a kind of loss of multi-system access platform transparent transmission port, the detection device includes: detection signal generator, the first power detector, filter amplifier, the second power detector, processor and signal transceiver.The loss situation for realizing remote real time monitoring multi-system access platform transparent transmission port detects the transparent transmission port of multi-system access platform without interrupting communication and carrying cumbersome apparatus.
Description
Technical field
The utility model belongs to the loss detection field of the transparent transmission port of multi-system access platform, and in particular to a kind of polyphyly
The detection device and system that access platform transparent transmission port of uniting is lost.
Background technique
Multi-system access platform (Point of Interface, abbreviation POI) refers to positioned at multisystem base station information source and interior
Particular device between compartment system antenna feeder, it 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.Wherein, two output ports of multi-system access platform (POI) are transparent transmission port, transparent transmission frequency range
For (820-960MHz).Insertion loss refers to that output power of transmitter and receiver input power pass through transmission damage caused by POI
Consumption.The prior art test POI equipment transparent transmission port insertion loss mainly equipment factory before with vector network analyzer come
Test, with vector network analyzer test can accurate test equipment transparent transmission port insertion loss, when needing to use in engineering
When test multi-system access platform equipment transparent transmission port insertion loss whether there is problem, it is necessary to manually carry bulky test
Device, and multi-system access platform is typically mounted at remote tunnel, in high-rise building, is not easy to test；Also to disconnect and set
The cable of standby input and output port connection is tested, and communication disruption is caused.
Utility model content
The purpose of this utility model is to provide a kind of detection device of multi-system access platform transparent transmission port loss and is
System realizes the loss situation of remote real time monitoring multi-system access platform transparent transmission port, sets without interrupting communication and carrying heaviness
It is standby that the transparent transmission port of multi-system access platform is detected.
In order to solve the above technical problems, the utility model embodiment provides a kind of multi-system access platform transparent transmission port loss
Detection device, comprising: detection signal generator, the first power detector, filter amplifier, the second power detector, processing
Device and signal transceiver；
It is described detection signal generator one end be connected to the processor, it is described detection signal generator the other end with
The first power detector connection；One end of first power detector is connect for flat to multisystem access with radio frequency line
The first transparent transmission port of platform sends detection signal, and the other end of first power detector is connected to the processor；
One end of the filter amplifier is connect for receiving the second transparent transmission port of multi-system access platform with radio frequency line
Signal is detected, the other end of the filter amplifier is connect with the second power detector；Second power detector also with institute
State processor connection；The processor is also connect with the signal transceiver.
Further, the detection device further includes being connected to the detection signal generator and first power detection
Radio frequency attenuator between device.
Further, the filter amplifier includes SAW filter and radio frequency amplifier；
One end of the SAW filter is connect for receiving the second transparent transmission port of multi-system access platform with radio frequency line
Signal is detected, the other end is connect with the radio frequency amplifier；The radio frequency amplifier is also connect with second power detector.
Preferably, the detection signal generator is phaselocked loop.
Further, the detection device further includes the first directional coupler and the second directional coupler；
One end of first directional coupler is connect with the first transparent transmission port of the multi-system access platform, the other end
It is connect with radio-frequency cable, the coupling port of first directional coupler is connected by radio frequency line and first power detector
It connects；
One end of second directional coupler is connect with the second transparent transmission port of the multi-system access platform, the other end
It is connect with radio-frequency cable, the coupling port of second directional coupler is connect by radio frequency line with the filter amplifier.
Further, the detection device further include: display screen；The display screen is connected to the processor.
Preferably, the display screen includes cathode-ray tube display, plasma display or liquid crystal display.
Preferably, the signal transceiver is modem.
Further, the signal transceiver is connect with remote monitoring Platform communication.
Correspondingly, the utility model also provides a kind of detection system of multi-system access platform transparent transmission port loss, special
Sign is, comprising: the detection device of multi-system access platform transparent transmission port loss, multi-system access platform, radio-frequency cable and remote
Hold monitor supervision platform；
It detection device that the multi-system access platform and the multi-system access platform transparent transmission port are lost and described penetrates
Frequency cable connection；The detection device of the multi-system access platform transparent transmission port loss and the remote monitoring Platform communication connect
It connects.
Compared with the prior art, the utility model a kind of multi-system access platform transparent transmission port loss detection device and
The beneficial effect of system is: since processor is connect with detection signal generator, processor control is described to detect signal
Device sends detection signal to first power detector；First power detector detects the initial gain value of detection signal,
And the detection signal is sent to the first transparent transmission port of multi-system access platform by radio frequency line；Due to the first power detection
Device is connected to the processor, and the processor obtains the initial power；Detect signal second from multi-system access platform
Transparent transmission port export when by radio frequency line enter the filter amplifier, by the filter amplifier filter and amplification later into
Enter the actual power value that the second power detector detects the detection signal of output, due to the second power detector and the processing
Device connection, the processor obtain the actual power, so that processor is according to the detection signal transmitted via transparent transmission port
Actual power and initial gain value judge the loss situation of multi-system access platform transparent transmission port, and when situation is lost in transparent transmission port
When serious, the processor reports remote monitoring platform by the signal transceiver, to realize remote real time monitoring polyphyly
The loss situation of system access platform transparent transmission port examines multi-system access platform without interrupting communication and carrying cumbersome apparatus
It surveys.
Detailed description of the invention
Fig. 1 is one embodiment of the detection device of multi-system access platform transparent transmission port loss provided by the utility model
Structural schematic diagram；
Fig. 2 is another implementation of the detection device of multi-system access platform transparent transmission port loss provided by the utility model
The structural schematic diagram of example；
Fig. 3 is the knot of the embodiment of the detection system of multi-system access platform transparent transmission port loss provided by the utility model
Structure schematic diagram.
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 of the detection device of multi-system access platform transparent transmission port loss provided by the utility model referring to Fig. 1
The structural schematic diagram of embodiment, the detection device include: detection signal generator 10, the second power detector 20, filter and amplification
Device 30, the first power detector 40, processor 50 and signal transceiver 60；
One end of the detection signal generator 10 is connect with the processor 50, described to detect the another of signal generator 10
One end is connect with first power detector 40；One end of first power detector 40 is connect for more with radio frequency line
The first transparent transmission port of system access platform sends detection signal, the other end and the processor of first power detector 40
50 connections；
One end of the filter amplifier 30 is connect for receiving the second transparent transmission port of multi-system access platform with radio frequency line
Detection signal, the other end of the filter amplifier 30 connect with the second power detector 20；Second power detector
20 also connect with the processor 50；The processor 50 is also connect with the signal transceiver 60.
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, it is connect due to processor with detection signal generator, processor controls the detection signal generator hair
Inspection surveys signal to first power detector；First power detector detects the initial gain value of detection signal, and will
The detection signal is sent to the first transparent transmission port of multi-system access platform by radio frequency line；Due to the first power detector with
The processor connection, the processor obtain the initial power；Detect second transparent transmission of the signal from multi-system access platform
The filter amplifier is entered by radio frequency line when port exports, enters the later by the filter and amplification of the filter amplifier
Two power detectors detect the actual power value of the detection signal of output, since the second power detector and the processor connect
It connects, the processor obtains the actual power, so that reality of the processor according to the detection signal transmitted via transparent transmission port
Power and initial gain value judge the loss situation of multi-system access platform transparent transmission port, and when transparent transmission port loss situation is serious
When, the processor reports remote monitoring platform by the signal transceiver, to realize that remote real time monitoring multisystem connects
The loss situation for entering platform transparent transmission port detects multi-system access platform without interrupting communication and carrying cumbersome apparatus.
Further, the detection device further includes being connected to the detection signal generator 10 to examine with first power
Survey the radio frequency attenuator 70 between device 40.
Further, the filter amplifier 30 includes SAW filter 101 and radio frequency amplifier 102；
One end of the SAW filter 101 is connect for receiving the second transparent transmission port of multi-system access platform with radio frequency line
Detection signal, the other end connect with the radio frequency amplifier 102；The radio frequency amplifier 102 is also examined with second power
Device 20 is surveyed to connect.
Preferably, the detection signal generator 10 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.The phaselocked loop is a kind of
Typical feedback control circuit, it is real using the frequency and phase of externally input reference signal control loop internal oscillation signal
Existing output signal frequency automatically tracks frequency input signal, is generally used for Closed loop track circuit；It is to make in radio transmitting
A kind of relatively stable method of frequency, mainly there is VCO (voltage controlled oscillator) and PLLIC (phase-locked loop intergrated circuit), voltage controlled oscillation
Device provides a signal, and a part makees phase ratio by frequency dividing and local oscillation signal caused by PLLIC as output, another part
Compared in order to which keep frequency is constant, it is desirable to which phase difference does not change, if dephased variation, the voltage of PLLIC is defeated
The voltage of outlet changes, and removes control VCO, until phase difference recovery, achievees the purpose that locking phase.
Further, the detection device further includes the first directional coupler 80 and the second directional coupler 90；
One end of first directional coupler 80 is connect with the first transparent transmission port of the multi-system access platform, another
End is connect with radio-frequency cable, and the coupling port of first directional coupler 80 passes through radio frequency line and first power detector
40 connections；
One end of second directional coupler 90 is connect with the second transparent transmission port of the multi-system access platform, another
End is connect with radio-frequency cable, and the coupling port of second directional coupler 90 is connected by radio frequency line and the filter amplifier 30
It connects.
Further, the detection device further include: display screen 100；The display screen 100 connects with the processor 50
It connects.
Preferably, the display screen 100 includes cathode-ray tube display, plasma display or liquid crystal display.
Preferably, the signal transceiver 70 is modem.
Further, the signal transceiver 70 is connect with remote monitoring Platform communication.
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.In the utility model embodiment, when the processor judges that seriously i.e. multisystem connects multi-system access platform loss situation
When entering platform fault, since the signal transceiver is connect with remote monitoring Platform communication, the processor passes through the signal
The loss situation of multi-system access platform is reported remote monitoring platform by transceiver.
As shown in Fig. 2, being the another of the detection device of multi-system access platform transparent transmission port loss provided by the utility model
The structural schematic diagram of one embodiment.
Specifically, when the multi-system access platform transparent transmission port loss detection device pair connect with radio-frequency cable it is more
When the transparent transmission port of system access platform is detected, the processor 50 is that phaselocked loop connects with the detection signal generator 10
It connects, the processor 50 controls the detection signal generator 10 and generates detection signal, and the detection signal is in radiofrequency signal
Transparent transmission frequency range removes CDMA800 (825-835MHz, 870-880MHz) and GSM900 (885-915MHz, 930-960MHz)
The signal of any frequency point other than frequency range.The detection signal is sent to the radio frequency attenuator by the detection signal generator 10
70 carry out signal decaying；Since the radio frequency attenuator 70 is connect with first power detector 40, the radio frequency attenuator
Detection signal after decaying is delivered to first power detector 40 by 70；First power detector 40 receives decaying
After the detection signal afterwards, the corresponding voltage of the signal power is exported to the processor 50；And first power
The detection signal is delivered to the coupling port of first directional coupler 80 by radio frequency line by detector 40, due to described
One end of first directional coupler 80 is connect with the first transparent transmission port of the multi-system access platform, first directional couple
The other end of device 80 is connect with radio-frequency cable, so that the detection signal inputs multisystem access by the first directional coupler 80
Second transparent transmission output port of platform is transmitted；The processor 50 passes through the voltage that first power detector 40 is sent
Value obtains the initial power (P1) of the detection signal.
It is not interrupted since multi-system access platform communicates when detecting, inputs the detection signal of the first transparent transmission port from polyphyly
When second transparent transmission port of system access platform is exported to radio-frequency cable；One end and the polyphyly due to the second directional coupler 90
The second transparent transmission port connection of system access platform, the other end are connect with radio-frequency cable；The coupling of second directional coupler 90
Port is connect by radio frequency line with the SAW filter 101；The coupling port of second directional coupler 90 will by radio frequency line
The detection signal and original signal of second transparent transmission port output, are delivered to the SAW filter 101 and are filtered, set in advance
The passband frequency range for setting the SAW filter 101 is the output signal frequency point of the detection signal generator 10, i.e., the described sound table
The stopband frequency range of filter 101 include CDMA800 (825-835MHz, 870-880MHz) and GSM900 (885-915MHz,
930-960MHz) frequency range is put so that entering the radio frequency by the filtered detection signal of the SAW filter 101
Big device 102 amplifies；It is amplified described since the radio frequency amplifier 102 is connect with second power detector 20
It detects signal and enters second power detector 20；It is opposite that second power detector 20 exports the detection signal power
The voltage answered to processor 50, the processor 50 obtains the inspection by the voltage value that second power detector 20 is sent
Survey the actual power (P2) of signal.
Processor 50 calculates the lower frequency range of the detection signal according to the actual power (P2) and initial power (P1)
Difference power of the signal after the transmission of two transparent transmission ports of multi-system access platform, and it is more to judge whether the difference power meets
The insertion loss of the transparent transmission port of system access platform require judge multi-system access platform transparent transmission port whether have extremely or
Phenomenon of the failure；The transparent transmission port insertion loss of the multisystem access device (POI) requires to be exhaustion range, when power difference is super
Judge that the power difference does not meet insertion loss requirement when crossing 1dB, i.e. transparent transmission port failure in the multi-system access platform.
When the processor 50 judges that power difference does not meet the insertion loss of the multi-system access platform transparent transmission port
It is required that when, that is, multi-system access platform transparent transmission port failure, the processor 50 will not by the signal transceiver 60
The transparent transmission port information reporting of the power difference and corresponding multi-system access platform that meet insertion loss requirement is flat to remote monitoring
Platform, and control the display screen 100 and show the power difference for not meeting insertion loss requirement and corresponding transparent transmission port information
And give a warning, terminate detection operation；When the processor 50 judges that power difference meets the multi-system access platform transparent transmission
When the insertion loss of port requires, the initial gain value of the detection signal of input multi-system access platform transparent transmission port is re-started
(P1) detection of detection and actual power value (P2), and the loss judgement of multi-system access platform transparent transmission port is carried out again,
Realize the loss of circulation real-time detection multi-system access platform transparent transmission port.So that multi-system access platform is either in work
State or preliminary debugging state, the detection device of the multi-system access platform transparent transmission port loss always can remotely in real time
Monitor the transparent transmission port situation of multi-system access platform.To realize the detection of the multi-system access platform transparent transmission port loss
The loss situation of device remote real time monitoring multi-system access platform transparent transmission port, without interrupting communication and carrying cumbersome apparatus pair
The transparent transmission port of multi-system access platform is detected.
As shown in figure 3, being the reality of the detection system of multi-system access platform transparent transmission port loss provided by the utility model
Apply the structural schematic diagram of example.
Correspondingly, the utility model also provides a kind of detection system of multi-system access platform transparent transmission port loss, special
Sign is, comprising: the detection device 301 of multi-system access platform transparent transmission port loss, multi-system access platform 302, radio frequency electrical
Cable 303 and remote monitoring platform 304；
The detection device 301 of the multi-system access platform 302 and multi-system access platform transparent transmission port loss and
The radio-frequency cable 303 connects；The detection device 301 of the multi-system access platform transparent transmission port loss and the remote monitoring
Platform 304 communicates to connect.
In conclusion a kind of detection device of multi-system access platform transparent transmission port loss provided by the utility model and being
System, since processor is connect with detection signal generator, processor controls the detection signal generator and sends detection signal extremely
First power detector；First power detector detects the initial gain value of detection signal, and by the detection signal
The first transparent transmission port of multi-system access platform is sent to by radio frequency line；Since the first power detector and the processor connect
It connects, the processor obtains the initial power；It detects logical when signal is exported from the second transparent transmission port of multi-system access platform
Radio frequency line is crossed into the filter amplifier, enters the second power detector later by the filter and amplification of the filter amplifier
The actual power value for detecting the detection signal of output, since the second power detector is connected to the processor, the processing
Device obtains the actual power, so that actual power and initial power of the processor according to the detection signal transmitted via transparent transmission port
Rate value judges the loss situation of multi-system access platform transparent transmission port, and when transparent transmission port loss situation is serious, the processing
Device reports remote monitoring platform by the signal transceiver, to realize remote real time monitoring multi-system access platform transparent transmission end
The loss situation of mouth detects multi-system access platform 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 transparent transmission port loss characterized by comprising detect signal
Device, the first power detector, filter amplifier, the second power detector, processor and signal transceiver；
It is described detection signal generator one end be connected to the processor, it is described detection signal generator the other end with it is described
The connection of first power detector；One end of first power detector is connect for multi-system access platform with radio frequency line
One transparent transmission port sends detection signal, and the other end of first power detector is connected to the processor；
One end of the filter amplifier connect the detection for receiving the second transparent transmission port of multi-system access platform with radio frequency line
Signal, the other end of the filter amplifier are connect with the second power detector；Second power detector also with the place
Manage device connection；The processor is also connect with the signal transceiver.
2. the detection device of multi-system access platform transparent transmission port loss as described in claim 1, which is characterized in that the inspection
Surveying device further includes the radio frequency attenuator being connected between the detection signal generator and first power detector.
3. the detection device of multi-system access platform transparent transmission port loss as described in claim 1, which is characterized in that the filter
Twt amplifier includes SAW filter and radio frequency amplifier；
One end of the SAW filter connect the detection for receiving the second transparent transmission port of multi-system access platform with radio frequency line
Signal, the other end are connect with the radio frequency amplifier；The radio frequency amplifier is also connect with second power detector.
4. the detection device of multi-system access platform transparent transmission port loss as described in claim 1, which is characterized in that the inspection
Survey signal generator is phaselocked loop.
5. the detection device of multi-system access platform transparent transmission port loss as described in claim 1, which is characterized in that the inspection
Surveying device further includes the first directional coupler and the second directional coupler；
One end of first directional coupler is connect with the first transparent transmission port of the multi-system access platform, the other end with penetrate
The coupling port of frequency cable connection, first directional coupler is connect by radio frequency line with first power detector；
One end of second directional coupler is connect with the second transparent transmission port of the multi-system access platform, the other end with penetrate
The coupling port of frequency cable connection, second directional coupler is connect by radio frequency line with the filter amplifier.
6. the detection device of multi-system access platform transparent transmission port loss as described in claim 1, which is characterized in that the inspection
Survey device further include: display screen；The display screen is connected to the processor.
7. the detection device of multi-system access platform transparent transmission port loss as claimed in claim 6, which is characterized in that described aobvious
Display screen includes cathode-ray tube display, plasma display or liquid crystal display.
8. the detection device of multi-system access platform transparent transmission port loss as described in claim 1, which is characterized in that the letter
Number transceiver is modem.
9. the detection device of multi-system access platform transparent transmission port loss as described in claim 1, which is characterized in that the letter
Number transceiver is connect with remote monitoring Platform communication.
10. a kind of detection system of multi-system access platform transparent transmission port loss characterized by comprising multisystem access is flat
Detection device, multi-system access platform, radio-frequency cable and the remote monitoring platform of platform transparent transmission port loss；
The detection device of the multi-system access platform transparent transmission port loss is the described in any item multisystems of claim 1 to 9
The detection device of access platform transparent transmission port loss；
The detection device and the radio frequency electrical of the multi-system access platform and multi-system access platform transparent transmission port loss
Cable connection；The detection device of the multi-system access platform transparent transmission port loss is connect with the remote monitoring Platform communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820636231.5U CN208241664U (en) | 2018-04-27 | 2018-04-27 | The detection device and system of multi-system access platform transparent transmission port loss |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820636231.5U CN208241664U (en) | 2018-04-27 | 2018-04-27 | The detection device and system of multi-system access platform transparent transmission port loss |
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| CN201820636231.5U Expired - Fee Related CN208241664U (en) | 2018-04-27 | 2018-04-27 | The detection device and system of multi-system access platform transparent transmission port loss |
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| Country | Link |
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2018
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Granted publication date: 20181214 Termination date: 20200427 |