CN106487340B - A kind of C-band high power amplifier under adverse circumstances - Google Patents
A kind of C-band high power amplifier under adverse circumstances Download PDFInfo
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- CN106487340B CN106487340B CN201610864805.XA CN201610864805A CN106487340B CN 106487340 B CN106487340 B CN 106487340B CN 201610864805 A CN201610864805 A CN 201610864805A CN 106487340 B CN106487340 B CN 106487340B
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- 238000012544 monitoring process Methods 0.000 claims abstract description 44
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- 238000005070 sampling Methods 0.000 claims description 86
- 238000006243 chemical reaction Methods 0.000 claims description 20
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- 238000003786 synthesis reaction Methods 0.000 claims description 15
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- 229910002601 GaN Inorganic materials 0.000 claims description 4
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 2
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/52—Circuit arrangements for protecting such amplifiers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/213—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only in integrated circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
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Abstract
The invention discloses a kind of C-band high power amplifiers under adverse circumstances; it is related to the power amplifier of communication system channel part in the communications field; it is made of indoor unit and outdoor unit two parts; indoor unit is collectively constituted by radio frequency link, monitoring control protection electric circuit and software etc. part, and outdoor unit is collectively constituted by the part such as radio frequency link, control protection electric circuit and software.The invention patent outdoor unit casing uses special seal technology and appearance technology；Power amplifier module uses quadrature hybrid bridge bypass technology, and quadrature hybrid bridge and waveguide space synthetic technology complete power combing, using the power device of new material；Power amplifier has perfect defencive function；Indoor unit and outdoor unit can be freely combined pairing and use.Power amplifier uses modularization, General design, and maintenance is rapid, particularly suitable for high temperature, high humidity, high salt spray chamber's external environment under marine environment.
Description
Technical field
The invention patent relates to one of communications fields for the C-band high power amplifier under adverse circumstances, especially
Ocean outdoor environment suitable for C-band communication system.
Background technique
The demand of high power amplifier in a communications system increases sharply under C-band adverse circumstances at present, at this stage C-band
Although power amplifier has, but based on A class job category, job category is under the high power of AB class, adverse circumstances
Power amplifier it is seldom, it is impossible to meet user's adverse circumstances, high power, wide band communication requirements.Some power amplifiers are penetrated
Frequency control shutdown depth cannot be met the requirements；Some bandwidth of operation are not able to satisfy communication device calls；Some efficiency is lower, volume
Excessive, some heat dissipations are unable to satisfy system requirements under outdoor adverse circumstances, are particularly unsuitable for the high temperature of ocean, high humidity and with high salt
Fog chamber's external environment.
Summary of the invention
It is an object of the invention to avoid the shortcoming in above-mentioned background technique, provide a kind of performance indicator all meet it is logical
Believe system equipment need C-band adverse circumstances under high power, all solid state power amplifier apparatus of AB class, as output power,
Bandwidth of operation, control shutdown level depth, High Voltage Power Supply, efficiency etc. can reach compared with high target.
The object of the present invention is achieved like this：
A kind of C-band high power amplifier under adverse circumstances, including indoor unit and outdoor unit, the indoor unit
Including indoor unit radio frequency link 1 and indoor electromechanical source 3；The outdoor unit includes outdoor electromechanical source 5, it is characterised in that：It is indoor
Machine further includes monitoring control protection electric circuit 4, and outdoor unit further includes outdoor unit radio frequency link 2 and control protection electric circuit 6；Indoor unit is penetrated
Frequency link 1 is used in I2C data signal and I2The radiofrequency signal of input is adjusted and is amplified under the control of C clock signal, it will
Amplified radiofrequency signal is exported to outdoor unit radio frequency link 2；
Indoor electromechanical source 3 is used to generate multiple and different voltage values after the alternating current 220V power supply of input is carried out voltage transformation
Multiple DC power supplies are respectively corresponded output extremely by DC power supply, indoor unit current sampling signal and indoor unit voltage sampling signal
Radio frequency link 1, monitoring control protection electric circuit 4 and the outdoor electromechanical source 5 of indoor unit are used to provide operating voltage, and will be indoor electromechanical
Stream sampled signal and indoor unit voltage sampling signal are exported respectively to monitoring control protection electric circuit 4；
Monitoring control protection electric circuit 4 generates I for stairstep signal and datum mark signal to be arranged, and according to stairstep signal2C number
It is believed that number and I2It is exported respectively after C clock signal to indoor unit radio frequency link 1, and datum mark signal is exported to control protection electricity
Road 6 is also used to read the datum mark signal for being stored in control protection electric circuit 6；The datum mark signal include current reference point,
Voltage reference point, reflection power datum mark, temperature reference point and output power datum mark；Monitoring control protection electric circuit 4 is also used to
Indoor unit current sampling signal and current reference point are converted, indoor unit current value is obtained and shown；By indoor unit voltage
Sampled signal converts with voltage reference point, obtains indoor unit voltage value and shows；It is also used to reflect sampled signal and anti-
It penetrates power reference point to convert, the reflection power that conversion obtains is compared with reflection power datum mark, if reflection function
Rate is more than that reflection power datum mark then closes the radiofrequency signal of input, and shows power alarm signal, otherwise directly displays reflection
Power；It is also used to convert temperature sampled signal with temperature reference point, the temperature value and temperature reference point that conversion is obtained
It is compared, otherwise the displays temperature alarm signal if temperature value is more than temperature reference point directly displays temperature value；It is also used to
Output sampled signal is converted with output power datum mark, output power is obtained and shows；It is also used to display control protection
Power supply status result, outdoor unit current value, outdoor unit voltage value and the power alarm signal that circuit 6 is sent；Monitoring control is protected
Protection circuit 4 is also connected with external Centralized Monitoring；
Outdoor unit radio frequency link 2 is for successively carrying out output sampling and anti-after amplified radiofrequency signal is further amplified
Sampling is penetrated, trip temperature of going forward side by side sampling exports the radiofrequency signal after being further amplified to outside, by output sampled signal, reflection
Sampled signal and temperature sampled signal are exported respectively to control protection electric circuit 6；
Outdoor electromechanical source 5 is used to generate multiple and different voltage values after the DC power supply that indoor unit provides is carried out voltage transformation
DC power supply, outdoor unit power state signal, outdoor unit current sampling signal and outdoor unit voltage sampling signal, will be multiple straight
Galvanic electricity source respectively corresponds output to outdoor unit radio frequency link 2 and control protection electric circuit 6 for providing operating voltage, and by outdoor unit
Power state signal, outdoor unit current sampling signal and outdoor unit voltage sampling signal are exported respectively to control protection electric circuit 6；
Control protection electric circuit 6 for will export sampled signal, reflect sampled signal and temperature sampled signal export respectively to
Monitor control protection electric circuit 4；It is also used to judge outdoor unit power state signal, the power supply status result that judgement is obtained
Output to monitoring control protection electric circuit 4 is shown；It is also used to change outdoor unit current sampling signal and current reference point
Calculation obtains outdoor unit current value, and outdoor unit current value is compared with current reference point；By outdoor unit voltage sampling signal with
Voltage reference point is converted to obtain outdoor unit voltage value, and outdoor unit voltage value is compared with voltage reference point；If room
Outer electromechanics flow valuve is more than current reference point or outdoor unit voltage value is more than that voltage reference point then closes outdoor electromechanical source, and power supply is accused
Alert signal, which is exported, to carry out alarm to monitoring control protection electric circuit 4 and shows, otherwise directly by outdoor unit current value and outdoor unit voltage
Value output carries out data value to monitoring control protection electric circuit 4 and shows；Also interface is written with the software of outdoor unit in control protection electric circuit 6
It is connected.
Wherein, outdoor unit radio frequency link 2 includes high power module, the first coupler 18, isolator 19, the second coupler
20, load 21 and temperature sampling circuit 22；The high power module includes first order power amplifier 7, second level power amplifier 8, penultimate stage
Power amplifier 9, mixing splitter 10, first to fourth final stage power amplifier 11~14, the first combiner 15, the second combiner 16 and waveguide are empty
Between combiner 17；Radiofrequency signal is inputted by first order power amplifier 7, successively passes through first order power amplifier 7, second level power amplifier 8 and penultimate stage
Power amplifier 9 is exported amplified radiofrequency signal to mixing splitter 10 by penultimate stage power amplifier 9 after amplifying respectively；Mix branch
Amplified radiofrequency signal is divided into that four tunnel amplitudes are identical, signal of phase pairwise orthogonal by device 10, corresponds output extremely respectively
First to fourth final stage power amplifier 11~14；The first to the second final stage power amplifier 11,12 respectively to amplified quadrature radio-frequency signals again
It is secondary amplify after output to the first combiner 15, third to the 4th final stage power amplifier 13,14 is respectively to amplified orthogonal radio frequency
Signal exports after amplifying again to the second combiner 16；First combiner 15 and the second combiner 16 will be received respectively respectively
Two-way amplified radiofrequency signal synthesis the radiofrequency signal after combining is exported to waveguide space combiner 17 all the way and respectively；
Radiofrequency signal after the two-way of input is combined by waveguide space combiner 17 synthesizes all the way, and the radiofrequency signal of synthesis all the way is exported
To the 18 of the first coupler；After the radiofrequency signal of synthesis all the way is carried out output sampling by the 18 of the first coupler, it will synthesize all the way
Radiofrequency signal export to isolator 19, and by output sampled signal export to control protection electric circuit 6；Isolator 19 will synthesize one
The radiofrequency signal on road is divided into two-way, corresponds output respectively to external and the second coupler 20；Second coupler 20 is to branch
Radiofrequency signal afterwards carries out reflection sampling, reflection sampled signal is exported to control protection electric circuit 6, and absorbed and reflected by load 21
Power；Temperature sampling circuit 22 exports temperature sampled signal to control protection electric circuit 6.
Wherein, the monitoring control protection electric circuit 4 includes indoor unit display screen 23, indoor unit ARM processing unit 24, room
Interior machine storage unit 25, indoor unit interface unit 26 and indoor unit key input unit 27；The control protection electric circuit 6 includes
Outdoor unit single chip control unit 28, outdoor unit storage unit 29 and outdoor unit interface unit 30；
For inputting stairstep signal and datum mark signal, stairstep signal is connect indoor unit key input unit 27 by indoor unit
Mouth unit 26 is exported to indoor unit ARM processing unit 24；Datum mark signal passes sequentially through indoor unit interface unit 26 and outdoor unit
Interface unit 30 is exported to outdoor unit single chip control unit 28；
Indoor unit ARM processing unit 24 is used to produce I according to stairstep signal2C data signal and I2By room after C clock signal
Interior machine interface unit 26 is exported respectively to indoor unit radio frequency link 1；It is also used to pass sequentially through indoor unit interface unit 26 and outdoor
The datum mark signal of the reading outdoor unit single chip control unit 28 of machine interface unit 30；Indoor unit interface unit 26 receives indoor unit
The indoor unit current sampling signal and indoor unit voltage sampling signal that power supply 3 is sent, and export respectively single to indoor unit ARM processing
Member 24；Indoor unit ARM processing unit 24 will convert for indoor unit current sampling signal and current reference point to convert
The indoor unit current value arrived is exported by indoor unit interface unit 26 to indoor unit display screen 23；It is also used to take indoor unit voltage
Sample signal converts with voltage reference point, and the indoor unit voltage value that conversion is obtained is exported extremely by indoor unit interface unit 26
Indoor unit display screen 23；It is also used to reflect sampled signal to convert with reflection power datum mark, the reflection that conversion is obtained
Power is compared with reflection power datum mark, and the radio frequency letter of input is closed if reflection power is more than reflection power datum mark
Number, and power alarm signal is exported by indoor unit interface unit 26 to indoor unit display screen 23, it otherwise will directly reflect function
Rate is exported by indoor unit interface unit 26 to indoor unit display screen 23；It is also used to click through temperature sampled signal and temperature reference
Row conversion, the temperature value that conversion obtains is compared with temperature reference point, will be warm if temperature value is more than temperature reference point
It spends alarm signal to export by indoor unit interface unit 26 to indoor unit display screen 23, temperature value is directly otherwise passed through into indoor unit
Interface unit 26 is exported to indoor unit display screen 23；It is also used to export sampled signal and output power datum mark convert
To output power, output power is exported by indoor unit interface unit 26 to indoor unit display screen 23；Indoor unit display screen 23
For showing the signal of input；Indoor unit storage unit 25 is for storing operation program；External Centralized Monitoring and indoor unit interface
Unit 26 is connected, and is used for Centralized Monitoring；
Outdoor unit single chip control unit 28 will judge obtained power supply status for judging power state signal
As a result outdoor unit interface unit 30 and the output of indoor unit interface unit 26 are passed sequentially through to indoor unit display screen 23；Outdoor unit interface
Outdoor unit power supply status, outdoor unit current sampling signal and the outdoor unit voltage sampling that the outer electromechanical source 5 of 30 receiving chamber of unit is sent
Signal, and exported respectively to outdoor unit single chip control unit 28；Outdoor unit single chip control unit 28 is used for will be outdoor electromechanical
Stream sampled signal and current reference point are converted to obtain outdoor unit current value, and outdoor unit current value and current reference point are carried out
Compare；It is converted outdoor unit voltage sampling signal and voltage reference point to obtain outdoor unit voltage value, by outdoor unit voltage value
It is compared with voltage reference point；If outdoor unit current value is more than current reference point or outdoor unit voltage value is more than voltage reference
Point then closes outdoor electromechanical source, and power alarm signal is passed sequentially through outdoor unit interface unit 30 and indoor unit interface unit 26 is defeated
Out to indoor unit display screen 23, outdoor unit current value and outdoor unit voltage value are directly otherwise passed sequentially through into outdoor unit interface unit
30 and the output of indoor unit interface unit 26 to indoor unit display screen 23；Outdoor unit single chip control unit 28 is also used to according to power supply
Status signal judges whether power supply is normal, and the power supply status result that judgement obtains is passed sequentially through outdoor unit interface unit 30 and room
Interior machine interface unit 26 is exported to indoor unit display screen 23；The software write-in interface and 30 phase of outdoor unit interface unit of outdoor unit
Even；Outdoor unit storage unit 29 is for storing outdoor unit operation program.
Wherein, the impedance of the RF signal input end mouth and RF signal output mouth of indoor unit radio frequency link 1 is 50
Ω, two ports are N-type coaxial connector.
Wherein, the RF signal input end mouth of outdoor unit radio frequency link 2 is N-type coaxial connector, and impedance is 50 Ω, room
The RF signal output mouth of outer machine radio frequency link 2 is waveguide connector.
Wherein, all modules in high power module are all made of semiconductor gallium nitride material, and mixing splitter uses same phase
Splitter is realized with the mode that quadrature splitter device combines；Combiner is combined using orthogonal combiner with waveguide space combiner
Mode complete high power synthesis.
Wherein, indoor unit and outdoor unit independent assortment use.
The present invention has the following advantages over the background art：
1, the invention patent high power amplifier, job category are AB class, output power height.
2, there is the invention patent high power amplifier perfect monitoring to control defencive function.
3, the invention patent is designed using novel gallium nitride material power device all solid stateization, improves the work effect of power amplifier
Rate.
4, the invention patent high power amplifier structure is designed as indoor unit and outdoor unit two parts, is set using modularization
Meter, convenient maintenance and replacement.
5, the invention patent high power amplifier indoor unit and outdoor unit can use at a distance, and maximum distance is up to 120
Rice.
6, the invention patent high power amplifier is suitble to use Yu Haiyang outdoor environment.
7, the invention patent high power amplifier is suitble to indoor unit and outdoor unit independent assortment to use, it is not necessary to fixed Combination
Pairing uses.
Detailed description of the invention
Fig. 1 is complete machine electrical schematic diagram of the invention.
Fig. 2 is the radio frequency link electrical schematic diagram of outdoor unit of the present invention.
Fig. 3 is the monitoring control circuit electrical schematic diagram of indoor unit and outdoor unit of the present invention.
Specific embodiment
Referring to Fig.1, a kind of C-band high power amplifier under adverse circumstances, by indoor unit and outdoor unit at room
Interior machine includes indoor unit radio frequency link 1, indoor electromechanical source 3 and monitoring control protection electric circuit 4, and outdoor unit includes outdoor unit rf chain
Road 2, outdoor electromechanical source 5 and control protection electric circuit 6；Indoor unit radio frequency link 1 is used in I2C data signal and I2C clock signal
The radiofrequency signal of input is adjusted and is amplified under control, amplified radiofrequency signal is exported to outdoor unit radio frequency link 2,
The impedance of the RF signal input end mouth and RF signal output mouth of the radio frequency link 1 of indoor unit is 50 Ω, two ports
It is N-type coaxial connector, the impedance of the RF signal input end mouth of the radio frequency link 2 of outdoor unit is 50 Ω, and port is that N-type is same
Mandrel connector, the RF signal output mouth of the radio frequency link 2 of outdoor unit are waveguide connector；Indoor electromechanical source 3 is used for will be defeated
DC power supply, the indoor unit current sampling signal of multiple and different voltage values are generated after the alternating current 220V power supply progress voltage transformation entered
With indoor unit voltage sampling signal, multiple DC power supplies are respectively corresponded into output to the radio frequency link 1 of indoor unit, monitoring control and are protected
Protection circuit 4 and outdoor electromechanical source 5 are believed for providing operating voltage, and by indoor unit current sampling signal and indoor unit voltage sampling
Output is to monitoring control protection electric circuit 4 number respectively；
Monitoring control protection electric circuit 4 generates I for stairstep signal and datum mark signal to be arranged, and according to stairstep signal2C number
It is believed that number and I2It is exported respectively after C clock signal to indoor unit radio frequency link 1, and datum mark signal is exported to control protection electricity
Road 6 is also used to read the datum mark signal for being stored in control protection electric circuit 6；The datum mark signal include current reference point,
Voltage reference point, reflection power datum mark, temperature reference point and output power datum mark；Monitoring control protection electric circuit 4 is also used to
Indoor unit current sampling signal and current reference point are converted, indoor unit current value is obtained and shown；By indoor unit voltage
Sampled signal converts with voltage reference point, obtains indoor unit voltage value and shows；It is also used to reflect sampled signal and anti-
It penetrates power reference point to convert, the reflection power that conversion obtains is compared with reflection power datum mark, if reflection function
Rate is more than that reflection power datum mark then closes the radiofrequency signal of input, and shows power alarm signal, otherwise directly displays reflection
Power；It is also used to convert temperature sampled signal with temperature reference point, the temperature value and temperature reference point that conversion is obtained
It is compared, otherwise the displays temperature alarm signal if temperature value is more than temperature reference point directly displays temperature value；It is also used to
Output sampled signal is converted with output power datum mark, output power is obtained and shows；It is also used to display control protection
Power supply status result, outdoor unit current value, outdoor unit voltage value and the power alarm signal that circuit 6 is sent；Monitoring control is protected
Protection circuit 4 is also connected with external Centralized Monitoring；
Outdoor unit radio frequency link 2 is for successively carrying out output sampling and anti-after amplified radiofrequency signal is further amplified
Sampling is penetrated, trip temperature of going forward side by side sampling exports the radiofrequency signal after being further amplified to outside, by output sampled signal, reflection
Sampled signal and temperature sampled signal are exported respectively to control protection electric circuit 6；
Outdoor electromechanical source 5 is used to generate multiple and different voltage values after the DC power supply that indoor unit provides is carried out voltage transformation
DC power supply, outdoor unit power state signal, outdoor unit current sampling signal and outdoor unit voltage sampling signal, will be multiple straight
Galvanic electricity source respectively corresponds output to outdoor unit radio frequency link 2 and control protection electric circuit 6 for providing operating voltage, and by outdoor unit
Power state signal, outdoor unit current sampling signal and outdoor unit voltage sampling signal are exported respectively to control protection electric circuit 6；
Control protection electric circuit 6 for will export sampled signal, reflect sampled signal and temperature sampled signal export respectively to
Monitor control protection electric circuit 4；It is also used to judge outdoor unit power state signal, the power supply status result that judgement is obtained
Output to monitoring control protection electric circuit 4 is shown；It is also used to change outdoor unit current sampling signal and current reference point
Calculation obtains outdoor unit current value, and outdoor unit current value is compared with current reference point；By outdoor unit voltage sampling signal with
Voltage reference point is converted to obtain outdoor unit voltage value, and outdoor unit voltage value is compared with voltage reference point；If room
Outer electromechanics flow valuve is more than current reference point or outdoor unit voltage value is more than that voltage reference point then closes outdoor electromechanical source, and power supply is accused
Alert signal, which is exported, to carry out alarm to monitoring control protection electric circuit 4 and shows, otherwise directly by outdoor unit current value and outdoor unit voltage
Value output carries out data value to monitoring control protection electric circuit 4 and shows；Also interface is written with the software of outdoor unit in control protection electric circuit 6
It is connected.
Fig. 2 is the radio frequency link electrical schematic block diagram of the invention patent outdoor unit, and embodiment presses Fig. 2 connection line.It is outdoor
Machine radio frequency link 2 is the pith of equipment, and outdoor unit radio frequency link 2 includes high power module, the first coupler 18, isolator
19, the second coupler 20, load 21 and temperature sampling circuit 22；The high power module includes first order power amplifier 7, the second level
Power amplifier 8, penultimate stage power amplifier 9, mixing splitter 10, first to fourth final stage power amplifier 11~14, the combining of the first combiner 15, second
Device 16 and waveguide space combiner 17；High power module therein is the main modular of outdoor machine equipment, in high power module
All modules are all made of semiconductor gallium nitride material.Radiofrequency signal is inputted by first order power amplifier 7, successively by first order power amplifier 7,
Second level power amplifier 8 and penultimate stage power amplifier 9 are exported amplified radiofrequency signal to mixed by penultimate stage power amplifier 9 after amplifying respectively
Combiner-divider 10；Amplified radiofrequency signal is divided into that four tunnel amplitudes are identical, signal of phase pairwise orthogonal by mixing splitter 10,
Output is corresponded respectively to first to fourth final stage power amplifier 11~14；The first to the second final stage power amplifier 11,12 is respectively to amplification
To the first combiner 15, third to the 4th final stage power amplifier 13,14 is distinguished for output after quadrature radio-frequency signals afterwards amplify again
It exports after being amplified again to amplified quadrature radio-frequency signals to the second combiner 16；First combiner 15 and the second combining
Radiofrequency signal after combining is respectively exported the amplified radiofrequency signal synthesis of respectively received two-way by device 16 all the way and respectively
To waveguide space combiner 17；Radiofrequency signal after the two-way of input is combined by waveguide space combiner 17 synthesizes all the way, will close
It exports at radiofrequency signal all the way to the 18 of the first coupler；The 18 of first coupler carry out the radiofrequency signal of synthesis all the way defeated
After sampling out, the radiofrequency signal of synthesis all the way is exported to isolator 19, and output sampled signal is exported to control protection electricity
Road 6；The radiofrequency signal of synthesis all the way is divided into two-way by isolator 19, corresponds output respectively to external and the second coupler
20；Second coupler 20 carries out reflection sampling to the radiofrequency signal after branch, and reflection sampled signal is exported to control protection electricity
Road 6, and reflection power is absorbed by load 21；Temperature sampling circuit 22 exports temperature sampled signal to control protection electric circuit 6.Its
In, mixing splitter is realized in such a way that in-phase splitter is combined with quadrature splitter device；Combiner uses orthogonal combiner
High power synthesis is completed with the mode that waveguide space combiner combines.
Fig. 3 is the electrical schematic block diagram of the invention patent indoor unit and outdoor unit monitoring control, and embodiment presses Fig. 3 connecting line
Road.Monitor portion of the invention includes monitoring control protection electric circuit 4 and control protection electric circuit 6；The monitoring control protection electricity
Road 4 includes indoor unit display screen 23, indoor unit ARM processing unit 24, indoor unit storage unit 25,26 and of indoor unit interface unit
Indoor unit key input unit 27；The control protection electric circuit 6 includes outdoor unit single chip control unit 28, outdoor unit storage
Unit 29 and outdoor unit interface unit 30；
For inputting stairstep signal and datum mark signal, stairstep signal is connect indoor unit key input unit 27 by indoor unit
Mouth unit 26 is exported to indoor unit ARM processing unit 24；Datum mark signal passes sequentially through indoor unit interface unit 26 and outdoor unit
Interface unit 30 is exported to outdoor unit single chip control unit 28；
Indoor unit ARM processing unit 24 is used to produce I according to stairstep signal2C data signal and I2By room after C clock signal
Interior machine interface unit 26 is exported respectively to indoor unit radio frequency link 1；It is also used to pass sequentially through indoor unit interface unit 26 and outdoor
The datum mark signal of the reading outdoor unit single chip control unit 28 of machine interface unit 30；Indoor unit interface unit 26 receives indoor unit
The indoor unit current sampling signal and indoor unit voltage sampling signal that power supply 3 is sent, and respectively by indoor unit current sampling signal
It exports with indoor unit voltage sampling signal to indoor unit ARM processing unit 24, indoor unit ARM processing unit 24 is used for indoor unit
Current sampling signal converts with current reference point, and the indoor unit current value that conversion is obtained passes through indoor unit interface unit 26
It exports to indoor unit display screen 23；It is also used to convert indoor unit voltage sampling signal with voltage reference point, will convert
The indoor unit voltage value arrived is exported by indoor unit interface unit 26 to indoor unit display screen 23；It is also used to that sampled signal will be reflected
It converts, the reflection power that conversion obtains is compared with reflection power datum mark, if instead with reflection power datum mark
The radiofrequency signal that power then closes input more than reflection power datum mark is penetrated, and power alarm signal is passed through into indoor unit interface list
Otherwise reflection power is directly exported by indoor unit interface unit 26 to indoor unit and is shown to indoor unit display screen 23 by 26 output of member
Display screen 23；It is also used to convert temperature sampled signal with temperature reference point, the temperature value and temperature reference that conversion is obtained
Point is compared, and exports temperature alarm signal extremely by indoor unit interface unit 26 if temperature value is more than temperature reference point
Otherwise indoor unit display screen 23 is directly exported temperature value to indoor unit display screen 23 by indoor unit interface unit 26；Also use
It is converted to obtain output power with output power datum mark in sampled signal will be exported, output power is passed through into indoor unit interface
Unit 26 is exported to indoor unit display screen 23；Indoor unit display screen 23 is used to show the signal of input；Indoor unit storage unit 25
Program is run for storing；External Centralized Monitoring is connected with indoor unit interface unit 26, is used for Centralized Monitoring；
Outdoor unit single chip control unit 28 will judge obtained power supply status for judging power state signal
As a result outdoor unit interface unit 30 and the output of indoor unit interface unit 26 are passed sequentially through to indoor unit display screen 23；Outdoor unit interface
Outdoor unit power supply status, outdoor unit current sampling signal and the outdoor unit voltage sampling that the outer electromechanical source 5 of 30 receiving chamber of unit is sent
Signal, and respectively export outdoor unit power supply status, outdoor unit current sampling signal and outdoor unit voltage sampling signal to outdoor
Machine single chip control unit 28, outdoor unit single chip control unit 28 are used for outdoor unit current sampling signal and current reference point
It is converted to obtain outdoor unit current value, outdoor unit current value is compared with current reference point；By outdoor unit voltage sampling
Signal and voltage reference point are converted to obtain outdoor unit voltage value, and outdoor unit voltage value is compared with voltage reference point；
Outdoor electromechanical source is closed if outdoor unit current value is more than current reference point or outdoor unit voltage value is more than voltage reference point, it will
Power alarm signal passes sequentially through outdoor unit interface unit 30 and indoor unit interface unit 26 is exported to indoor unit display screen 23, no
Outdoor unit current value and outdoor unit voltage value are directly then passed sequentially through into outdoor unit interface unit 30 and indoor unit interface unit 26
It exports to indoor unit display screen 23；Outdoor unit single chip control unit 28 is also used to whether judge power supply according to power state signal
Normally, the power supply status result that judgement obtains is passed sequentially through into outdoor unit interface unit 30 and the output of indoor unit interface unit 26 extremely
Indoor unit display screen 23；The software write-in interface of outdoor unit is connected with outdoor unit interface unit 30；Outdoor unit storage unit 29 is used
Program is run in storage outdoor unit.
Implemented respectively by indoor unit and outdoor unit control protection electric circuit, solves unborn indoor unit and outdoor unit
Necessary one-to-one mating fixed the problem of using, use can be freely combined in indoor unit of the invention and outdoor unit, of the invention
Indoor machine monitoring has good human-computer interaction interface, easy to operate, and software has the function of guiding and brief introduction, operates and is easy in fact
It is existing.The data volumes such as outdoor unit internal operating temperature, power supply sampling and control signal are transmitted by outdoor unit interface unit.
The invention patent mounting structure is as follows：Indoor unit part is made as a 19 inch standard cabinets in Fig. 1, before cabinet
Panel is power switch, display and keyboard, and rear panel is radio frequency input/output interface, power interface and monitoring interface, concentrates
Monitor interface；Cabinet inside installation is made of the part such as indoor electromechanical source, power amplifier and numerical-control attenuator, peace outside cabinet
Row is conducive to equipment operation and equipment installation.Outdoor unit is made as a non-standard outdoor cabinet in Fig. 1, and cabinet is by heat dissipation
The part such as system, radio frequency link and control protection electric circuit, outdoor electromechanical source forms, and machine box equipment is mounted on dissipating for cooling system
Hot device surface, it is closely coupled with a seal closure above radiator, it takes special priming paint to combine technique with finishing coat, guarantees equipment
The corrosion resistance of surfaces externally and internally.Output power of the invention is greater than 70dB up to 300W or more, gain, it has high efficiency, protects
Protective function is perfect, high reliability and the features such as the long-life.Improving efficiency reduces total power consumption, overall efficiency can reach 35% with
On, thermal losses reduction makes equipment whole volume become smaller, and improves the maneuverability and concealment of system.
Claims (7)
1. a kind of C-band high power amplifier under adverse circumstances, including indoor unit and outdoor unit, the indoor unit packet
Include indoor unit radio frequency link (1) and indoor electromechanical source (3)；The outdoor unit includes outdoor electromechanical source (5), it is characterised in that：
Indoor unit further includes monitoring control protection electric circuit (4), and outdoor unit further includes outdoor unit radio frequency link (2) and control protection electric circuit
(6)；Indoor unit radio frequency link (1) is used in I2C data signal and I2Under the control of C clock signal to the radiofrequency signal of input into
Row adjustment and amplification, amplified radiofrequency signal is exported to outdoor unit radio frequency link (2)；
Indoor electromechanical source (3) is used to generate the straight of multiple and different voltage values after the alternating current 220V power supply of input is carried out voltage transformation
Multiple DC power supplies are respectively corresponded output to room by galvanic electricity source, indoor unit current sampling signal and indoor unit voltage sampling signal
Radio frequency link (1), monitoring control protection electric circuit (4) and the outdoor electromechanical source (5) of interior machine are used to provide operating voltage, and will be indoor
Machine current sampling signal and indoor unit voltage sampling signal are exported respectively to monitoring control protection electric circuit (4)；
Monitoring control protection electric circuit (4) generates I for stairstep signal and datum mark signal to be arranged, and according to stairstep signal2C data
Signal and I2It is exported respectively after C clock signal to indoor unit radio frequency link (1), and datum mark signal is exported to control protection electricity
Road (6) is also used to read the datum mark signal for being stored in control protection electric circuit (6)；The datum mark signal includes electric current base
On schedule, voltage reference point, reflection power datum mark, temperature reference point and output power datum mark；It monitors control protection electric circuit (4)
It is also used to convert indoor unit current sampling signal and current reference point, obtains indoor unit current value and show；It will be indoor
Machine voltage sampling signal converts with voltage reference point, obtains indoor unit voltage value and shows；It is also used to reflect sampling letter
It number converts with reflection power datum mark, reflection power that conversion obtains is compared with reflection power datum mark, if
Reflection power is more than that reflection power datum mark then closes the radiofrequency signal of input, and shows power alarm signal, otherwise directly aobvious
Show reflection power；It is also used to convert temperature sampled signal with temperature reference point, the temperature value and temperature that conversion is obtained
Datum mark is compared, otherwise the displays temperature alarm signal if temperature value is more than temperature reference point directly displays temperature value；
It is also used to export sampled signal to convert with output power datum mark, obtains output power and show；It is also used to show control
Power supply status result, outdoor unit current value, outdoor unit voltage value and the power alarm signal that system protection circuit (6) is sent；Prison
Also it is connected with external Centralized Monitoring depending on control protection electric circuit (4)；
Outdoor unit radio frequency link (2) is for successively carrying out output sampling and reflection after amplified radiofrequency signal is further amplified
Sampling, trip temperature of going forward side by side sampling, the radiofrequency signal after being further amplified is exported to outside, will export sampled signal, sphere
Sample signal and temperature sampled signal are exported respectively to control protection electric circuit (6)；
Outdoor electromechanical source (5) is used to generate multiple and different voltage values after the DC power supply that indoor unit provides is carried out voltage transformation
DC power supply, outdoor unit power state signal, outdoor unit current sampling signal and outdoor unit voltage sampling signal, by multiple direct currents
Power supply respectively corresponds output to outdoor unit radio frequency link (2) and control protection electric circuit (6) for providing operating voltage, and will be outdoor
Electromechanical source status signal, outdoor unit current sampling signal and outdoor unit voltage sampling signal are exported respectively to control protection electric circuit
(6)；
Control protection electric circuit (6) is exported respectively for that will export sampled signal, reflection sampled signal and temperature sampled signal to prison
Depending on control protection electric circuit (4)；It is also used to judge outdoor unit power state signal, the power supply status result that judgement is obtained
Output to monitoring control protection electric circuit (4) is shown；It is also used to carry out outdoor unit current sampling signal and current reference point
Conversion obtains outdoor unit current value, and outdoor unit current value is compared with current reference point；By outdoor unit voltage sampling signal
It is converted to obtain outdoor unit voltage value with voltage reference point, outdoor unit voltage value is compared with voltage reference point；If
Outdoor unit current value is more than current reference point or outdoor unit voltage value is more than that voltage reference point then closes outdoor electromechanical source, by power supply
Alarm signal exports to monitoring control protection electric circuit (4) and carries out alarm and show, otherwise directly by outdoor unit current value and outdoor unit
Voltage value is exported to monitoring control protection electric circuit (4) progress data value and is shown；Control protection electric circuit (6) also with the software of outdoor unit
Write-in interface is connected.
2. a kind of C-band high power amplifier under adverse circumstances according to claim 1, it is characterised in that：Room
Outer machine radio frequency link (2) includes high power module, the first coupler (18), isolator (19), the second coupler (20), load
(21) and temperature sampling circuit (22)；The high power module includes first order power amplifier (7), second level power amplifier (8), penultimate stage
Power amplifier (9), mixing splitter (10), first to fourth final stage power amplifier (11~14), the first combiner (15), the second combiner
(16) and waveguide space combiner (17)；Radiofrequency signal is inputted by first order power amplifier (7), successively by first order power amplifier (7), the
Second level power amplifier (8) and penultimate stage power amplifier (9) are exported amplified radiofrequency signal by penultimate stage power amplifier (9) after amplifying respectively
To mixing splitter (10)；Mixing splitter (10) by amplified radiofrequency signal be divided into four tunnel amplitudes are identical, phase two-by-two just
The signal of friendship corresponds output to first to fourth final stage power amplifier (11~14) respectively；The first to the second final stage power amplifier (11,
12) it is exported after being amplified again to amplified quadrature radio-frequency signals respectively to the first combiner (15), third to the 4th end
Grade power amplifier (13,14) exports after amplifying again to amplified quadrature radio-frequency signals respectively to the second combiner (16)；The
One combiner (15) and the second combiner (16) respectively the amplified radiofrequency signal of received two-way will synthesize all the way and divide respectively
The radiofrequency signal after combining is not exported to waveguide space combiner (17)；Waveguide space combiner (17) closes the two-way of input
Radiofrequency signal synthesis behind road all the way exports the radiofrequency signal of synthesis all the way to the first coupler (18)；First coupler
(18) after the radiofrequency signal of synthesis all the way being carried out output sampling, the radiofrequency signal of synthesis all the way is exported to isolator (19),
And output sampled signal is exported to control protection electric circuit (6)；The radiofrequency signal of synthesis all the way is divided into two-way by isolator (19),
Output is corresponded respectively to external and the second coupler (20)；Second coupler (20) carries out the radiofrequency signal after branch anti-
Sampling is penetrated, reflection sampled signal is exported to control protection electric circuit (6), and absorb reflection power by loading (21)；Temperature sampling
Circuit (22) exports temperature sampled signal to control protection electric circuit (6).
3. a kind of C-band high power amplifier under adverse circumstances according to claim 1, it is characterised in that：Institute
The monitoring control protection electric circuit (4) stated includes indoor unit display screen (23), indoor unit ARM processing unit (24), indoor unit storage
Unit (25), indoor unit interface unit (26) and indoor unit key input unit (27)；The control protection electric circuit (6) includes
Outdoor unit single chip control unit (28), outdoor unit storage unit (29) and outdoor unit interface unit (30)；
Indoor unit key input unit (27) passes through indoor unit interface for inputting stairstep signal and datum mark signal, stairstep signal
Unit (26) is exported to indoor unit ARM processing unit (24)；Datum mark signal passes sequentially through indoor unit interface unit (26) and room
Outer machine interface unit (30) exports to outdoor unit single chip control unit (28)；
Indoor unit ARM processing unit (24) is used to produce I according to stairstep signal2C data signal and I2By interior after C clock signal
Machine interface unit (26) is exported respectively to indoor unit radio frequency link (1)；Be also used to pass sequentially through indoor unit interface unit (26) and
Outdoor unit interface unit (30) reads the datum mark signal of outdoor unit single chip control unit (28)；Indoor unit interface unit (26)
The indoor unit current sampling signal and indoor unit voltage sampling signal that electromechanical source (3) is sent in receiving chamber, and respectively by indoor unit
Current sampling signal and indoor unit voltage sampling signal are exported to indoor unit ARM processing unit (24)；Indoor unit ARM processing unit
(24) for indoor unit current sampling signal and current reference point to convert, the indoor unit current value that conversion obtains is passed through
Indoor unit interface unit (26) is exported to indoor unit display screen (23)；It is also used to indoor unit voltage sampling signal and voltage reference
Point converts, and the indoor unit voltage value that conversion is obtained passes through indoor unit interface unit (26) output to indoor unit display screen
(23)；It is also used to reflect sampled signal to convert with reflection power datum mark, the reflection power and reflection that conversion is obtained
Power reference point is compared, and closes the radiofrequency signal of input if reflection power is more than reflection power datum mark, and by function
Rate alarm signal is exported by indoor unit interface unit (26) to indoor unit display screen (23), is otherwise directly passed through reflection power
Indoor unit interface unit (26) is exported to indoor unit display screen (23)；It is also used to carry out temperature sampled signal and temperature reference point
The temperature value that conversion obtains is compared by conversion with temperature reference point, by temperature if temperature value is more than temperature reference point
Alarm signal is exported by indoor unit interface unit (26) to indoor unit display screen (23), and temperature value is directly otherwise passed through interior
Machine interface unit (26) is exported to indoor unit display screen (23)；It is also used to export sampled signal and output power datum mark carries out
Conversion obtains output power, and output power is exported by indoor unit interface unit (26) to indoor unit display screen (23)；
Indoor unit display screen (23) is used to show the signal of input；Indoor unit storage unit (25) is for storing operation program；Outside
Portion's Centralized Monitoring is connected with indoor unit interface unit (26), is used for Centralized Monitoring；
Outdoor unit single chip control unit (28) will judge obtained power supply status knot for judging power state signal
Fruit passes sequentially through outdoor unit interface unit (30) and indoor unit interface unit (26) output to indoor unit display screen (23)；Outdoor unit
Outdoor unit power supply status, outdoor unit current sampling signal and the outdoor unit that the outer electromechanical source (5) of interface unit (30) receiving chamber is sent
Voltage sampling signal, and it is respectively that outdoor unit power supply status, outdoor unit current sampling signal and outdoor unit voltage sampling signal is defeated
Out to outdoor unit single chip control unit (28)；Outdoor unit single chip control unit (28) is used for outdoor unit current sampling signal
It is converted to obtain outdoor unit current value with current reference point, outdoor unit current value is compared with current reference point；By room
Outer machine voltage sampling signal and voltage reference point are converted to obtain outdoor unit voltage value, by outdoor unit voltage value and voltage reference
Point is compared；Room is closed if outdoor unit current value is more than current reference point or outdoor unit voltage value is more than voltage reference point
Power alarm signal is passed sequentially through outdoor unit interface unit (30) and indoor unit interface unit (26) output to room by outer electromechanical source
Interior machine display screen (23), otherwise directly passes sequentially through outdoor unit interface unit (30) for outdoor unit current value and outdoor unit voltage value
With indoor unit interface unit (26) output to indoor unit display screen (23)；
Outdoor unit single chip control unit (28) is also used to judge whether power supply is normal, and judgement is obtained according to power state signal
Power supply status result pass sequentially through outdoor unit interface unit (30) and indoor unit interface unit (26) output is shown to indoor unit
Shield (23)；The software write-in interface of outdoor unit is connected with outdoor unit interface unit (30)；Outdoor unit storage unit (29) is for depositing
It stores up outdoor unit and runs program.
4. a kind of C-band high power amplifier under adverse circumstances according to claim 1, it is characterised in that：Room
The impedance of the RF signal input end mouth and RF signal output mouth of interior machine radio frequency link (1) is 50 Ω, and two ports are equal
For N-type coaxial connector.
5. a kind of C-band high power amplifier under adverse circumstances according to claim 1, it is characterised in that：Room
The RF signal input end mouth of outer machine radio frequency link (2) is N-type coaxial connector, and impedance is 50 Ω, outdoor unit radio frequency link
(2) RF signal output mouth is waveguide connector.
6. a kind of C-band high power amplifier under adverse circumstances according to claim 1, it is characterised in that：It is high
All modules in power module are all made of semiconductor gallium nitride material, and mixing splitter uses in-phase splitter and quadrature splitter
The mode that device combines is realized；Combiner completes high power in such a way that orthogonal combiner is combined with waveguide space combiner
Synthesis.
7. a kind of C-band high power amplifier under adverse circumstances according to claim 1, it is characterised in that：Room
Interior machine and outdoor unit independent assortment use.
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| CN107786177B (en) * | 2017-11-03 | 2023-11-24 | 浙江嘉科电子有限公司 | C-band low-noise amplifier |
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