CN107911181A - A kind of system and method for detecting automatic antenna tuner network failure - Google Patents
A kind of system and method for detecting automatic antenna tuner network failure Download PDFInfo
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- CN107911181A CN107911181A CN201711475082.5A CN201711475082A CN107911181A CN 107911181 A CN107911181 A CN 107911181A CN 201711475082 A CN201711475082 A CN 201711475082A CN 107911181 A CN107911181 A CN 107911181A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
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- H04B17/17—Detection of non-compliance or faulty performance, e.g. response deviations
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Abstract
The invention belongs to short wave communication equipment application technical field, discloses a kind of system and method for detecting automatic antenna tuner network failure, including：PC host computers, control unit, impedance detection unit and antenna tuner network unit；Wherein, PC host computers use serial communication by the debugging mouth of RS232 serial ports and control unit, the control signal input connection of first control signal output terminal and impedance detection unit in control unit, second control signal output terminal in control unit is connected with the control signal input of antenna tuner network unit, the impedance detection end of impedance detection unit is bi-directionally connected with the impedance detection end of antenna tuner network unit, and the detection signal output part of impedance detection unit and the detection signal input part of control unit connect；The on-line checking of antenna tuning network cell failure can be automatically performed, avoids repeated disassembled and assembled day tune and day tune internal network device.
Description
Technical field
The invention belongs to short wave communication equipment application technical field, more particularly to a kind of detection automatic antenna tuner network
The system and method for failure.
Background technology
Automatic antenna tuner (hereinafter referred to as day tune), be one kind between short-wave transceiver and antenna, for
Near antenna impedance to 50 Europe, in the hope of the equipment of shortwave system emission effciency maximum.The system of its reconciliation antenna composition, is known as
Antenna-feeder system.
For narrow-band antenna, the artificial impedance matching for realizing transmitter and antenna of being transferred by day, is reduced with reaching
The purpose of VSWR (voltage standing wave ratio), realizes that transmitting signal is gone out to air-launched in maximum efficiency.With Shortwave Communication System
Power constantly increase, also increasing by the power of day tune, antenna tuning network unit is due to device heating, high pressure, high current
The problems such as caused failure rate also increase.Therefore, how fast and accurately to investigate antenna tuning network cell failure just becomes one
A urgent problem to be solved.
In the past investigation antenna tuning network unit component failure, be all by artificially examine device outer surface whether there is it is burnt,
Phenomena such as crackle, infers, and the failure for investigating relay must be removed, then powers up and measure.This method is time-consuming to take
Power, and relay is repeated dismounting, its service life will be lost significantly, it is also possible to cause the damage of printed board.And for one
The problem of a little important and recessive, such as the problem of failure causes actual value and nominal value not to be inconsistent inside capacitance, inductance, Wu Fatong
Conventional means are crossed to be investigated.In addition, day tune breaks down during the joint-trial of outfield, " cuts open the chest when transferring in row to day
Broken tripe ", the method that relay one by one is removed investigates failure, and efficiency is low extremely low, largely effects on CSAT.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of system for detecting automatic antenna tuner network failure
And method, the on-line checking of antenna tuning network cell failure can be automatically performed, avoids repeated disassembled and assembled day tune and day tune in-house network
Network device, reduces difficulty of the technical staff in outfield investigation failure, improves the efficiency of investigation failure.
To reach above-mentioned purpose, the present invention is realised by adopting the following technical scheme.
Technical solution one：
A kind of system for detecting automatic antenna tuner network failure, the system comprises：PC host computers, control unit,
Impedance detection unit and antenna tuner network unit；
Wherein, the PC host computers use serial communication by the debugging mouth of RS232 serial ports and described control unit, described
First control signal output terminal in control unit is connected with the control signal input of the impedance detection unit, the control
Second control signal output terminal on unit is connected with the control signal input of the antenna tuner network unit, the resistance
The impedance detection end of anti-detection unit and the impedance detection end of the antenna tuner network unit are bi-directionally connected, the impedance inspection
Survey the detection signal output part of unit and the detection signal input part of described control unit connects.
The characteristics of technical solution of the present invention one and further it is improved to：
(1) network capacitance and net inductive, and the control net are included at least in the antenna tuner network unit
Whether network capacitance accesses the first relay of antenna tuner network unit and controls whether the net inductive accesses antenna tune
Second relay of humorous device network unit；
The PC host computers, for the detection control instruction sent by man-machine interface to described control unit, the inspection
Survey in control instruction and include at least：The working frequency and control signal of antenna tuner, the control signal are used to control first
The break-make of relay and the second relay；
Described control unit, for obtaining the detection control instruction of PC host computers transmission, by the detection control instruction
The working frequency of antenna tuner is sent to impedance detection unit, and the control signal in the detection control instruction is converted to
Transistor-Transistor Logic level, is sent to antenna tuner network unit；
The antenna tuner network unit, for receiving the Transistor-Transistor Logic level, according to Transistor-Transistor Logic level control described the
The break-make of one relay and the second relay；
The impedance detection unit, for reception antenna tuner working frequency and produce the work of the antenna tuner
The corresponding micropower signal of working frequency, is sent to antenna tuner network unit by the micropower signal, detects the antenna
The input impedance of tuner network unit at the operating frequencies, and the input impedance is sent to described control unit；
Described control unit, the input impedance for being additionally operable to receive are sent to PC host computers；
The PC host computers, are additionally operable to, according to the detection control instruction and the input impedance received, judge the day
Line tuner network unit whether there is failure.
(2) first relay is connected, and represents to have accessed network capacitance in the antenna tuner network unit, no
Then, network capacitance is not accessed in the antenna tuner network unit；
Second relay, which is connected, to be represented to have accessed net inductive in the antenna tuner network unit, otherwise, institute
State in antenna tuner network unit and do not access net inductive.
(3) it is previously stored with the PC host computers：When the antenna tuner network unit be in normal condition and
Corresponding input impedance scope when different components are accessed under different working frequencies；
The PC host computers, are additionally operable to, according to the detection control instruction and the input impedance received, judge the day
Line tuner network unit whether there is failure, specifically include：
PC host computers are according to indicated by the working frequency and control signal of antenna tuner in the detection control instruction
The device of antenna tuner network unit access determines that antenna tuner network unit is in corresponding input resistance during normal condition
Anti- scope, if the input impedance that the PC host computers receive judges the antenna tuning in the range of the input impedance
Device network unit is in normal condition, does not break down, otherwise, judges that the antenna tuner network unit breaks down.
(4) described control unit includes sequentially connected MAX232 level translators, LPC2138 processors and A6841
Latch driver；The impedance detection unit includes：AD9851 frequency synthesizers and LTC2440 analog-digital converters；
Wherein, the MAX232 level translators, for being by the serial port level conversion that serial ports is sent by PC host computers
Transistor-Transistor Logic level；
The LPC2138 processors, the working frequency of the antenna tuner for PC host computers to be sent are sent to impedance
The AD9851 detectors of detection unit；
The AD9851 frequency synthesizers of the impedance detection unit, for producing the antenna tuner network unit in institute
State corresponding micropower signal under working frequency；
The LTC2440 analog-digital converters of the impedance detection unit, for the antenna tuner network unit to be sent
Simulated impedance information be converted to digital impedance information, obtain the input impedance of the antenna tuner network unit, and by institute
Input impedance is stated to send to the LPC2138 processors of control unit.
Technical solution two：
A kind of method for detecting automatic antenna tuner network failure, the method are applied to as described in technical solution one
The system for detecting automatic antenna tuner network failure, described method includes following steps：
Step 1, PC host computers send detection control instruction, the detection control instruction by man-machine interface to control unit
In include at least：The working frequency and control signal of antenna tuner, the control signal are used to control the antenna tuner
The network structure of network unit；
Step 2, described control unit obtains the detection control instruction that PC host computers are sent, by the detection control instruction
The working frequency of antenna tuner is sent to impedance detection unit, and the control signal in the detection control instruction is converted to
Transistor-Transistor Logic level, is sent to antenna tuner network unit；
Step 3, antenna tuner network unit receives the Transistor-Transistor Logic level, and the antenna tune is controlled according to the Transistor-Transistor Logic level
The network structure of humorous device network unit；
Step 4, impedance detection unit produces corresponding micropower according to the working frequency of the antenna tuner received and believes
Number, and the micropower signal is sent to antenna tuner network unit, and detect the antenna tuner network unit and exist
Input impedance under the working frequency, and the input impedance is sent to described control unit；
Step 5, the input impedance received is sent to PC host computers by control unit, and the PC host computers are according to the inspection
Control instruction and the input impedance received are surveyed, judges that the antenna tuner network unit whether there is failure.
The characteristics of technical solution two and further it is improved to：
(1) network capacitance and net inductive are included at least in the network structure of the antenna tuner network unit, and
Control whether the network capacitance accesses the first relay of antenna tuner network unit and whether control the net inductive
Access the second relay of antenna tuner network unit；
First relay is connected, and represents to have accessed network capacitance in the antenna tuner network unit, otherwise, institute
State in antenna tuner network unit and do not access network capacitance；
Second relay, which is connected, to be represented to have accessed net inductive in the antenna tuner network unit, otherwise, institute
State in antenna tuner network unit and do not access net inductive.
(2) it is previously stored with the PC host computers：When the antenna tuner network unit be in normal condition and
Corresponding input impedance scope when different components are accessed under different working frequencies；
In step 5, the PC host computers judge the day according to the detection control instruction and the input impedance received
Line tuner network unit whether there is failure, be specially：
PC host computers are according to indicated by the working frequency and control signal of antenna tuner in the detection control instruction
The device of antenna tuner network unit access determines that antenna tuner network unit is in corresponding input resistance during normal condition
Anti- scope, if the input impedance that the PC host computers receive judges the antenna tuning in the range of the input impedance
Device network unit is in normal condition, does not break down, otherwise, judges that the antenna tuner network unit breaks down.
A kind of system and method for detecting automatic antenna tuner network failure provided by the invention improves technical staff
Investigate antenna tuning network unit component failure efficiency, avoid repetition and tear day tune open, tear device open, substantially reduce day tune troubleshooting when
Between, zero damage when having saved manpower and financial resources, and having accomplished troubleshooting to day tune equipment.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural representation of system for detecting automatic antenna tuner network failure provided in an embodiment of the present invention
Figure；
Fig. 2 is the structure diagram of control unit provided in an embodiment of the present invention；
Fig. 3 is a kind of flow signal of method for detecting automatic antenna tuner network failure provided in an embodiment of the present invention
Figure；
Fig. 4 is the interface schematic diagram of test software provided in an embodiment of the present invention；
Fig. 5 is the network impedance schematic diagram provided in an embodiment of the present invention for being not added with any device；
Fig. 6 is the network impedance schematic diagram after addition 500nH series inductances provided in an embodiment of the present invention；
Fig. 7 is the network impedance schematic diagram after addition 1000nH series inductances provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of system for detecting automatic antenna tuner network failure, as shown in Figure 1, the system
System includes：PC host computers, control unit, impedance detection unit and antenna tuner network unit；
Wherein, the PC host computers use serial communication by the debugging mouth of RS232 serial ports and described control unit, described
First control signal output terminal in control unit is connected with the control signal input of the impedance detection unit, the control
Second control signal output terminal on unit is connected with the control signal input of the antenna tuner network unit, the resistance
The impedance detection end of anti-detection unit and the impedance detection end of the antenna tuner network unit are bi-directionally connected, the impedance inspection
Survey the detection signal output part of unit and the detection signal input part of described control unit connects.
Further, network capacitance and net inductive, and control are included at least in the antenna tuner network unit
Whether the network capacitance accesses the first relay of antenna tuner network unit and controls whether the net inductive accesses
Second relay of antenna tuner network unit；
Specifically, the PC host computers, for the detection control instruction sent by man-machine interface to described control unit,
Included at least in the detection control instruction：The working frequency and control signal of antenna tuner, the control signal are used to control
Make the break-make of the first relay and the second relay；
Described control unit, for obtaining the detection control instruction of PC host computers transmission, by the detection control instruction
The working frequency of antenna tuner is sent to impedance detection unit, and the control signal in the detection control instruction is converted to
Transistor-Transistor Logic level, is sent to antenna tuner network unit；
The antenna tuner network unit, for receiving the Transistor-Transistor Logic level, according to Transistor-Transistor Logic level control described the
The break-make of one relay and the second relay；
The impedance detection unit, for reception antenna tuner working frequency and produce the work of the antenna tuner
The corresponding micropower signal of working frequency, is sent to antenna tuner network unit by the micropower signal, detects the antenna
The input impedance of tuner network unit at the operating frequencies, and the input impedance is sent to described control unit；
Described control unit, the input impedance for being additionally operable to receive are sent to PC host computers；
The PC host computers, are additionally operable to, according to the detection control instruction and the input impedance received, judge the day
Line tuner network unit whether there is failure.
Specifically, first relay is connected, represent to have accessed network capacitance in the antenna tuner network unit,
Otherwise, network capacitance is not accessed in the antenna tuner network unit；
Second relay, which is connected, to be represented to have accessed net inductive in the antenna tuner network unit, otherwise, institute
State in antenna tuner network unit and do not access net inductive.
Again specifically, being previously stored with the PC host computers：When the antenna tuner network unit is in normal shape
State and under different working frequencies access different components when corresponding input impedance scope；
The PC host computers, are additionally operable to, according to the detection control instruction and the input impedance received, judge the day
Line tuner network unit whether there is failure, specifically include：
PC host computers are according to indicated by the working frequency and control signal of antenna tuner in the detection control instruction
The device of antenna tuner network unit access determines that antenna tuner network unit is in corresponding input resistance during normal condition
Anti- scope, if the input impedance that the PC host computers receive judges the antenna tuning in the range of the input impedance
Device network unit is in normal condition, does not break down, otherwise, judges that the antenna tuner network unit breaks down.
Further, as shown in Fig. 2, described control unit includes sequentially connected MAX232 level translators, LPC2138
Processor and A6841 latch drivers；The impedance detection unit includes：AD9851 frequency synthesizers and LTC2440 moduluses
Converter；
Wherein, the MAX232 level translators, for being by the serial port level conversion that serial ports is sent by PC host computers
Transistor-Transistor Logic level；
The LPC2138 processors, the working frequency of the antenna tuner for PC host computers to be sent are sent to impedance
The AD9851 detectors of detection unit；
The AD9851 frequency synthesizers of the impedance detection unit, for producing the antenna tuner network unit in institute
State corresponding micropower signal under working frequency；
The LTC2440 analog-digital converters of the impedance detection unit, for the antenna tuner network unit to be sent
Simulated impedance information be converted to digital impedance information, obtain the input impedance of the antenna tuner network unit, and by institute
Input impedance is stated to send to the LPC2138 processors of control unit.
The embodiment of the present invention additionally provides a kind of method for detecting automatic antenna tuner network failure, the method application
In the system of the detection automatic antenna tuner network failure described in above-described embodiment, as shown in figure 3, the described method includes as follows
Step：
Step 1, PC host computers send detection control instruction, the detection control instruction by man-machine interface to control unit
In include at least：The working frequency and control signal of antenna tuner, the control signal are used to control the antenna tuner
The network structure of network unit；
Step 2, described control unit obtains the detection control instruction that PC host computers are sent, by the detection control instruction
The working frequency of antenna tuner is sent to impedance detection unit, and the control signal in the detection control instruction is converted to
Transistor-Transistor Logic level, is sent to antenna tuner network unit；
Step 3, antenna tuner network unit receives the Transistor-Transistor Logic level, and the antenna tune is controlled according to the Transistor-Transistor Logic level
The network structure of humorous device network unit；
Step 4, impedance detection unit produces corresponding micropower according to the working frequency of the antenna tuner received and believes
Number, and the micropower signal is sent to antenna tuner network unit, and detect the antenna tuner network unit and exist
Input impedance under the working frequency, and the input impedance is sent to described control unit；
Step 5, the input impedance received is sent to PC host computers by control unit, and the PC host computers are according to the inspection
Control instruction and the input impedance received are surveyed, judges that the antenna tuner network unit whether there is failure.
Specifically, network capacitance and net inductive are included at least in the network structure of the antenna tuner network unit,
And whether the control network capacitance accesses the first relay of antenna tuner network unit and controls the net inductive
Whether second relay of antenna tuner network unit is accessed；
First relay is connected, and represents to have accessed network capacitance in the antenna tuner network unit, otherwise, institute
State in antenna tuner network unit and do not access network capacitance；
Second relay, which is connected, to be represented to have accessed net inductive in the antenna tuner network unit, otherwise, institute
State in antenna tuner network unit and do not access net inductive.
Further, it is previously stored with the PC host computers：When the antenna tuner network unit is in normal shape
State and under different working frequencies access different components when corresponding input impedance scope；In step 5, the PC host computers root
According to the detection control instruction and the input impedance received, judge that the antenna tuner network unit whether there is failure,
Specially：
PC host computers are according to indicated by the working frequency and control signal of antenna tuner in the detection control instruction
The device of antenna tuner network unit access determines that antenna tuner network unit is in corresponding input resistance during normal condition
Anti- scope, if the input impedance that the PC host computers receive judges the antenna tuning in the range of the input impedance
Device network unit is in normal condition, does not break down, otherwise, judges that the antenna tuner network unit breaks down.
Practical Project realization in, be inside antenna tuning network fault detection system by standard RS-232 serial ports by PC machine with
Control unit connects, and inspection software is arranged in PC machine, and inspection software sends commands to control unit, control unit control day tune
Each network devices is added separately to network by network unit, then controls impedance detection unit to measure whole antenna-feeder system
Impedance.The impedance information that inspection software is reported, impedance information is included in SMITH circle diagrams, and analyzes impedance information, obtains
Go out each network devices and its whether relay is faulty.Therefore need to be equipped with following equipment：Control unit, impedance detection list
Member and the PC machine equipped with RS-232 serial ports.The serial ports of PC machine is connected with control unit by cable, control unit passes through control
Level processed realizes the change to the device state of antenna tuning network unit.It is using client cables that the PC machine with serial ports and control is single
Member, control unit and network unit are connected by low frequency socket, and impedance unit is connected with network unit by high-frequency socket.
Exemplary, detection antenna tuning network cell failure needs following steps：
(1) test software is opened in PC machine, interface is as shown in Figure 4.
(2) type and its value of each device of antenna tuning network device, such as CL30 are loaded into, typical value is the series electrical of 30nH
Sense.
(3) serial ports parameter is set, and configuration is consistent with the communication configuration of day tune control unit plug-in.
(4) communication for establishing inspection software and day tune main control unit is resetted.Using RTS, day tune main control unit is resetted
CPU。
(5) debug command is sent.
(6) input service frequency.
(7) function being detected to antenna-feeder system impedance is selected.
(8) device to be detected is selected, and is measured.
It is illustrated in figure 5 the network impedance figure for being not added with any device.It is illustrated in figure 6 after adding 500nH series inductances
Network impedance figure.The network impedance figure being illustrated in figure 7 after adding 1000nH series inductances.
Found by above-mentioned steps, the series inductance 500nH and 1000nH that the network unit in this example uses are all normal, nothing
Failure, other device inspection methods are same as above.
The present invention uses inspection software, control unit and impedance measuring unit, and malfunction elimination is carried out to antenna tuning network unit,
Avoid it is traditional because investigation failure and caused by repeated disassembled and assembled equipment and the situation of internal network device occur, reduce technical staff
The difficulty of troubleshooting in outfield, saves the time of troubleshooting.
The present invention utilizes client cables by the PC machine with serial ports and control unit, network impedance measuring unit and antenna tuning network
Unit connects.Using the inspection software of independent research, control unit and impedance detection unit, each device of antenna tuning network unit is detected
The quality of part, uses simple, convenience.
Inspection software of the independent research based on SMITH circle diagrams in the present invention, which utilizes certain algorithm, and gather
Substantial amounts of actual antenna tuning network device data, and according to this come analyze judge antenna tuning network unit device whether failure, have
Position fast and accurately feature.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
The relevant hardware of programmed instruction is completed, and foregoing program can be stored in computer read/write memory medium, which exists
During execution, execution the step of including above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or CD
Etc. it is various can be with the medium of store program codes.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
- A kind of 1. system for detecting automatic antenna tuner network failure, it is characterised in that the system comprises：PC host computers, Control unit, impedance detection unit and antenna tuner network unit；Wherein, the PC host computers use serial communication, the control by the debugging mouth of RS232 serial ports and described control unit First control signal output terminal on unit is connected with the control signal input of the impedance detection unit, described control unit On second control signal output terminal be connected with the control signal input of the antenna tuner network unit, impedance inspection The impedance detection end and the impedance detection end of the antenna tuner network unit for surveying unit are bi-directionally connected, the impedance detection list The detection signal output part of member and the detection signal input part of described control unit connect.
- 2. a kind of system for detecting automatic antenna tuner network failure according to claim 1, it is characterised in that described Network capacitance and net inductive are included at least in antenna tuner network unit, and whether the control network capacitance accesses day First relay of line tuner network unit and control whether the net inductive accesses the of antenna tuner network unit Two relays；The PC host computers, for the detection control instruction sent by man-machine interface to described control unit, the detection control Included at least in system instruction：The working frequency and control signal of antenna tuner, the control signal are used to control the first relay The break-make of device and the second relay；Described control unit, for obtaining the detection control instruction of PC host computers transmission, by antenna in the detection control instruction The working frequency of tuner is sent to impedance detection unit, and the control signal in the detection control instruction is converted to TTL Level, is sent to antenna tuner network unit；The antenna tuner network unit, for receiving the Transistor-Transistor Logic level, according to the Transistor-Transistor Logic level control described first after The break-make of electric appliance and the second relay；The impedance detection unit, for reception antenna tuner working frequency and produce the antenna tuner work frequency The corresponding micropower signal of rate, is sent to antenna tuner network unit by the micropower signal, detects the antenna tuning The input impedance of device network unit at the operating frequencies, and the input impedance is sent to described control unit；Described control unit, the input impedance for being additionally operable to receive are sent to PC host computers；The PC host computers, are additionally operable to, according to the detection control instruction and the input impedance received, judge the antenna tune Humorous device network unit whether there is failure.
- 3. a kind of system for detecting automatic antenna tuner network failure according to claim 2, it is characterised in that described First relay is connected, and represents to have accessed network capacitance in the antenna tuner network unit, otherwise, the antenna tuner Network capacitance is not accessed in network unit；Second relay, which is connected, to be represented to have accessed net inductive in the antenna tuner network unit, otherwise, the day Net inductive is not accessed in line tuner network unit.
- 4. a kind of system for detecting automatic antenna tuner network failure according to claim 2, it is characterised in that described It is previously stored with PC host computers：When the antenna tuner network unit is in normal condition and under different working frequencies Corresponding input impedance scope when accessing different components；The PC host computers, are additionally operable to, according to the detection control instruction and the input impedance received, judge the antenna tune Humorous device network unit whether there is failure, specifically include：Antenna of the PC host computers according to indicated by the working frequency and control signal of antenna tuner in the detection control instruction The device of tuner network unit access determines that antenna tuner network unit is in corresponding input impedance model during normal condition Enclose, if the input impedance that the PC host computers receive in the range of the input impedance, judges the antenna tuner net Network unit is in normal condition, does not break down, otherwise, judges that the antenna tuner network unit breaks down.
- 5. a kind of system for detecting automatic antenna tuner network failure according to claim 2, it is characterised in that described Control unit includes sequentially connected MAX232 level translators, LPC2138 processors and A6841 latch drivers；It is described Impedance detection unit includes：AD9851 frequency synthesizers and LTC2440 analog-digital converters；Wherein, the MAX232 level translators, for PC host computers is electric for TTL by the serial port level conversion that serial ports is sent It is flat；The LPC2138 processors, the working frequency of the antenna tuner for PC host computers to be sent are sent to impedance detection The AD9851 detectors of unit；The AD9851 frequency synthesizers of the impedance detection unit, for producing the antenna tuner network unit in the work Corresponding micropower signal under working frequency；The LTC2440 analog-digital converters of the impedance detection unit, for the mould for sending the antenna tuner network unit Intend impedance information and be converted to digital impedance information, obtain the input impedance of the antenna tuner network unit, and will be described defeated Enter impedance to send to the LPC2138 processors of control unit.
- 6. a kind of method for detecting automatic antenna tuner network failure, the method is applied and inspection as claimed in claim 1 The system for surveying automatic antenna tuner network failure, it is characterised in that described method includes following steps：Step 1, PC host computers send detection control instruction by man-machine interface to control unit, described to detect in control instruction extremely Include less：The working frequency and control signal of antenna tuner, the control signal are used to control the antenna tuner network The network structure of unit；Step 2, described control unit obtains the detection control instruction that PC host computers are sent, by antenna in the detection control instruction The working frequency of tuner is sent to impedance detection unit, and the control signal in the detection control instruction is converted to TTL Level, is sent to antenna tuner network unit；Step 3, antenna tuner network unit receives the Transistor-Transistor Logic level, and the antenna tuner is controlled according to the Transistor-Transistor Logic level The network structure of network unit；Step 4, impedance detection unit produces corresponding micropower signal according to the working frequency of the antenna tuner received, and The micropower signal is sent to antenna tuner network unit, and detects the antenna tuner network unit in the work Input impedance under working frequency, and the input impedance is sent to described control unit；Step 5, the input impedance received is sent to PC host computers by control unit, and the PC host computers are controlled according to the detection System instruction and the input impedance received, judge that the antenna tuner network unit whether there is failure.
- 7. a kind of method for detecting automatic antenna tuner network failure according to claim 6, it is characterised in that described Network capacitance and net inductive, and the control network capacitance are included at least in the network structure of antenna tuner network unit Whether access the first relay of antenna tuner network unit and control whether the net inductive accesses antenna tuner net Second relay of network unit；First relay is connected, and represents to have accessed network capacitance in the antenna tuner network unit, otherwise, the day Network capacitance is not accessed in line tuner network unit；Second relay, which is connected, to be represented to have accessed net inductive in the antenna tuner network unit, otherwise, the day Net inductive is not accessed in line tuner network unit.
- A kind of 8. method for detecting automatic antenna tuner network failure according to claim 6, it is characterised in thatIt is previously stored with the PC host computers：When the antenna tuner network unit is in normal condition and in different works Corresponding input impedance scope when different components are accessed under working frequency；In step 5, the PC host computers judge the antenna tune according to the detection control instruction and the input impedance received Humorous device network unit whether there is failure, be specially：Antenna of the PC host computers according to indicated by the working frequency and control signal of antenna tuner in the detection control instruction The device of tuner network unit access determines that antenna tuner network unit is in corresponding input impedance model during normal condition Enclose, if the input impedance that the PC host computers receive in the range of the input impedance, judges the antenna tuner net Network unit is in normal condition, does not break down, otherwise, judges that the antenna tuner network unit breaks down.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711475082.5A CN107911181A (en) | 2017-12-29 | 2017-12-29 | A kind of system and method for detecting automatic antenna tuner network failure |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545936A (en) * | 2011-12-05 | 2012-07-04 | 福建星海通信科技有限公司 | Antenna tuner and antenna tuning system |
| CN104410467A (en) * | 2014-11-20 | 2015-03-11 | 中国人民解放军65049部队 | Antenna turner detecting system |
-
2017
- 2017-12-29 CN CN201711475082.5A patent/CN107911181A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545936A (en) * | 2011-12-05 | 2012-07-04 | 福建星海通信科技有限公司 | Antenna tuner and antenna tuning system |
| CN104410467A (en) * | 2014-11-20 | 2015-03-11 | 中国人民解放军65049部队 | Antenna turner detecting system |
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