CN102055416A - Method and system for ageing radio-frequency power amplifier - Google Patents
Method and system for ageing radio-frequency power amplifier Download PDFInfo
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- CN102055416A CN102055416A CN2010105694190A CN201010569419A CN102055416A CN 102055416 A CN102055416 A CN 102055416A CN 2010105694190 A CN2010105694190 A CN 2010105694190A CN 201010569419 A CN201010569419 A CN 201010569419A CN 102055416 A CN102055416 A CN 102055416A
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Abstract
The invention discloses a method and system for ageing a radio-frequency power amplifier. The method comprises the following steps: setting the radio-frequency single-tone signal of a corresponding frequency in accordance with the operating frequency of the radio-frequency power amplifier; and using the set radio-frequency single-tone signal by the radio-frequency power amplifier and aging based on preset ageing parameters by the radio-frequency amplifier. In the invention, aiming at different radio-frequency power amplifiers, the radio-frequency single-tone signals with different frequencies are generated, so that the ageing method is compatible with ageing for more different types of radio-frequency power amplifiers. According to the invention, the operating status information of the radio-frequency power amplifier is collected and reported, thus preferably mastering the real operating status of the radio-frequency power amplifier, effectively controlling the ageing process in accordance with the real operating status of the radio-frequency power amplifier in the ageing process, switching off a power supply of the radio-frequency power amplifier in an abnormal status, exiting the ageing, and ensuring safety of the radio-frequency power amplifier in the ageing process, namely, the radio-frequency power amplifier is not damaged.
Description
Technical field
The present invention relates to the aging technology of power amplifier, refer to a kind of method and system of aging radio-frequency power amplifier especially.
Background technology
At present, at radio-frequency power amplifier (abbreviating radio-frequency (RF) power amplification as) aging three kinds of modes are arranged:
A kind of mode is, radio-frequency (RF) power amplification is put into the room of a Controllable Temperature, makes radio-frequency (RF) power amplification be operated in the quiescent operation state, according to the difference of time the temperature in room adjusted then, makes radio-frequency (RF) power amplification be operated in the condition of high temperature and temperature shock state.This aging mode can not be reduced the real work state of radio-frequency (RF) power amplification, can not monitor the radio-frequency (RF) power amplification state simultaneously, radio-frequency (RF) power amplification is produced damage;
Another kind of mode is, adjusts the grid voltage of radio-frequency (RF) power amplification in advance, in the aging frock of then radio-frequency (RF) power amplification being packed into, utilizes radio-frequency (RF) power amplification heating itself that power amplifier is carried out wearing out of high temperature and temperature shock.This aging mode can't embody the real work state of radio-frequency (RF) power amplification;
Also have a kind of mode to be, utilize aging frock to send fixing tone signal and give radio-frequency (RF) power amplification, make the radio-frequency (RF) power amplification self-heating, radio-frequency (RF) power amplification is carried out the aging of high temperature and temperature shock, but, this aging mode can't be accomplished compatible multiple radio-frequency (RF) power amplification, and aging different radio-frequency (RF) power amplification need dispose different separately aging frocks; Nor can monitor the radio-frequency (RF) power amplification state.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and system of aging radio-frequency power amplifier, can produce the tone signal that is fit to by the fixed frequency of aging radio-frequency (RF) power amplification at the different radio frequency power amplifier, make radio-frequency (RF) power amplification be operated in magnifying state, reproduce the actual working state of radio-frequency (RF) power amplification truly, simultaneously, overall monitor radio-frequency (RF) power amplification state.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method of aging radio-frequency power amplifier, this method comprises:
The radio frequency tone signal of corresponding frequencies is set according to the operating frequency of radio-frequency (RF) power amplification;
The radio frequency tone signal that the radio-frequency (RF) power amplification utilization sets, and wear out according to the ageing parameter that sets in advance.
Described radio-frequency (RF) power amplification is the binary channels radio-frequency (RF) power amplification, and this method also comprises:
According to the hygral equilibrium thresholding that sets in advance the temperature of two passages of radio-frequency (RF) power amplification is judged,, closed the power supply of that passage of higher temperature, make its cooling if the temperature difference of two passages surpasses the hygral equilibrium thresholding;
When the temperature difference of two passages is lower than the hygral equilibrium thresholding, reopen the power supply of closing passage, continue aging until arriving aging total duration.
Two passages of described binary channels radio-frequency (RF) power amplification are operated in different frequency; The radio frequency tone signal that described utilization sets wears out and comprises:
The radio frequency tone signal of the different frequency that described radio frequency tone signal is two different passages of correspondence, two passages adopt the mode of time-division to wear out according to the ageing parameter that sets in advance respectively.
Two passages of described binary channels radio-frequency (RF) power amplification are operated in same frequency; The radio frequency tone signal that described utilization sets carries out aging method:
Wear out according to the ageing parameter that sets in advance to two passage output tone signals and while respectively.
Described ageing parameter is aging total duration.
Described ageing parameter also comprises: the power amplifier output power range; Described wearing out according to the ageing parameter that sets in advance comprises:
Detect the power output of described radio-frequency (RF) power amplification, and according to the power output of detected radio-frequency (RF) power amplification, adjust the size of the radio frequency tone signal of input radio frequency power amplifier, the power output that makes radio-frequency (RF) power amplification is in described power amplifier output power range.
If the power output of described detected radio-frequency (RF) power amplification is in the duration that sets in advance outside the described power amplifier output power range always, the power output abnormality alarming is also closed amplifier power supply, finishes ageing process.
Described ageing parameter also comprises: the power amplifier current margin; Described wearing out according to the ageing parameter that sets in advance comprises:
Detect the operating current of radio-frequency (RF) power amplification, the operating current of more detected radio-frequency (RF) power amplification and described power amplifier current margin, when the operating current of detected radio-frequency (RF) power amplification exceeds described power amplifier current margin, the output current abnormality alarming is also closed amplifier power supply, finishes ageing process.
Described ageing parameter also comprises: the screening temperature range; Described wearing out according to the ageing parameter that sets in advance comprises:
Detect the working temperature of radio-frequency (RF) power amplification, in the temperature rise period, if the working temperature of detected radio-frequency (RF) power amplification does not reach the lower limit of described screening temperature range in the duration that sets in advance, the output temperature abnormality alarming is also closed the radio-frequency (RF) power amplification power supply, finishes aging.
When the working temperature of described detected radio-frequency (RF) power amplification entered in the described screening temperature range, described radio-frequency (RF) power amplification entered the constant temperature stage;
In the constant temperature stage, the working temperature of more detected radio-frequency (RF) power amplification and described screening temperature range when the working temperature of detected radio-frequency (RF) power amplification is higher than going up in limited time of described screening temperature range, are closed the radio-frequency (RF) power amplification power supply, open fan; Close fan in limited time when the working temperature of detected radio-frequency (RF) power amplification is lower than the following of described screening temperature range, open the radio-frequency (RF) power amplification power supply.
Described ageing parameter also comprises: the constant temperature duration, and cooling is by temperature; This method comprises: after the constant temperature duration arrives, and the aging temperature-fall period that enters;
When entering temperature-fall period, close the radio-frequency (RF) power amplification power supply aging, open fan and lower the temperature to radio-frequency (RF) power amplification, the cooling that drops to parameter configuration when the radio-frequency (RF) power amplification temperature enters the temperature rise period when temperature is following; Circulation is arrived up to aging total duration always, the aging end.
Described ageing parameter also comprises: limiting temperature; In the described ageing process, if the working temperature of described radio-frequency (RF) power amplification surpasses described limiting temperature, then output limit temperature warning and close described radio-frequency (RF) power amplification power supply finishes aging.
A kind of system of aging radio-frequency power amplifier comprises main control unit, performance element and radio-frequency (RF) power amplification, wherein,
Main control unit is used to control the unlatching/end of ageing process, and specifically controls to performance element output control information notice performance element;
Performance element is used for according to the control information from main control unit, and produce the radio frequency tone signal and export to radio-frequency (RF) power amplification, and according to the control of control information to radio-frequency (RF) power amplification;
Radio-frequency (RF) power amplification is used for moving according to the control of performance element.
Described main control unit also is used to receive from the work state information of the radio-frequency (RF) power amplification of performance element and is shown to the user;
Described performance element also is used to gather the work state information of radio-frequency (RF) power amplification and reports main control unit.
Described control unit specifically is used for being provided with according to the operating frequency of radio-frequency (RF) power amplification the radio frequency tone signal of corresponding frequencies, and configuration comprises the ageing parameter of aging total duration.
Described ageing parameter also comprises the power amplifier output power range, and/or the power amplifier current margin, and/or screening temperature range and cooling are by temperature;
Described main control unit, also be used for to ageing process control, the work state information and the ageing process information of alarming processing, demonstration radio-frequency (RF) power amplification.
Described performance element specifically is used for according to the radio frequency tone signal that is provided with, and produces the radio frequency tone signal, resolves the control information close radio-frequency (RF) power amplification power supply that main control unit issues, opening/closing fan; And,
Report the work state information and the ageing process information of the radio-frequency (RF) power amplification that collects to described main control unit, wherein, the work state information of radio-frequency (RF) power amplification comprises: the power output of radio-frequency (RF) power amplification, and/or the operating current of radio-frequency (RF) power amplification, and/or the working temperature of radio-frequency (RF) power amplification;
Ageing process information comprises that the power output of radio-frequency (RF) power amplification is whether in the power amplifier output power range that sets in advance, whether the operating current of radio-frequency (RF) power amplification is in the power amplifier current margin that sets in advance, whether the working temperature of radio-frequency (RF) power amplification is lower than the screening temperature range lower limit that sets in advance, whether the operating current of radio-frequency (RF) power amplification is higher than the screening temperature range upper limit that sets in advance, whether the radio-frequency (RF) power amplification temperature drops to the cooling of parameter configuration by below the temperature, whether the working temperature of radio-frequency (RF) power amplification enters in the screening temperature range that sets in advance, the working temperature of the radio-frequency (RF) power amplification temperature that whether oversteps the extreme limit, whether arrive constant temperature time.
The technical scheme that provides from the invention described above comprises that the operating frequency according to radio-frequency (RF) power amplification is provided with the radio frequency tone signal of corresponding frequencies as can be seen, the radio frequency tone signal that the radio-frequency (RF) power amplification utilization sets, and wear out according to the ageing parameter that sets in advance.The present invention is directed to different radio-frequency (RF) power amplification and produced the radio frequency tone signal of different frequency, more polymorphic type radio-frequency (RF) power amplification aging that made aging mode compatibility of the present invention.Further, the present invention is by to the collection of the work state information of radio-frequency (RF) power amplification and report, understood the real work state of radio-frequency (RF) power amplification better, power output as above-mentioned radio-frequency (RF) power amplification, and/or the operating current of radio-frequency (RF) power amplification, and/or the working temperature of radio-frequency (RF) power amplification, and ageing process is effectively controlled according to the real work state of radio-frequency (RF) power amplification in the ageing process, to the timely powered-down of the radio-frequency (RF) power amplification that is in abnormality, withdraw from agingly, guaranteed the fail safe (promptly be not damaged) of radio-frequency (RF) power amplification in ageing process.
Description of drawings
Fig. 1 is the flow chart of the method for the aging radio-frequency (RF) power amplification of the present invention;
Fig. 2 is the composition structural representation of the system of the aging radio-frequency (RF) power amplification of the present invention.
Embodiment
Fig. 1 is the flow chart of the method for the aging radio-frequency (RF) power amplification of the present invention, as shown in Figure 1, comprising:
Step 100: the radio frequency tone signal that corresponding frequencies is set according to the operating frequency of radio-frequency (RF) power amplification.
In this step, can produce the radio frequency tone signal of different frequency by the configuration that the frequency that can produce the wide frequency ranges tone signal is combined chip, like this, more polymorphic type radio-frequency (RF) power amplification aging that made aging mode compatibility of the present invention.Here, frequently combine the chip of the produced wide frequency ranges tone signal of ADF4350 that chip can be an ADI company or other manufacturers, interface that provides by chip and order send order to (utilizing performance element to give) chip and can export required frequency tone signal by control chip.Need to prove, application about frequently comprehensive chip is that those skilled in the art are known easily, here be not described in detail, what the present invention emphasized is, to combine chip application frequently in the ageing process of radio-frequency (RF) power amplification, produced the radio frequency tone signal of different frequency easily, more polymorphic type radio-frequency (RF) power amplification aging that made aging mode compatibility of the present invention.
Step 101: the radio frequency tone signal that the radio-frequency (RF) power amplification utilization sets, and wear out according to the ageing parameter that sets in advance.
In this step, ageing parameter comprises at least: aging total duration; At this moment, the radio frequency tone signal that the radio-frequency (RF) power amplification utilization sets wears out, and finishes aging until reaching aging total duration.
In order to wear out better, prevent that radio-frequency (RF) power amplification is damaged in ageing process, ageing parameter can further include: power amplifier output power range, and/or power amplifier current margin, and/or screen temperature range and lower the temperature by temperature parameters such as limiting temperature etc.
In the temperature rise period of ageing process of the present invention, also comprise: the power output that detects radio-frequency (RF) power amplification, and according to the power output of detected radio-frequency (RF) power amplification, adjust the size of the radio frequency tone signal of input radio frequency power amplifier, the power output of guaranteeing radio-frequency (RF) power amplification is in the power amplifier output power range that sets in advance.Further, if the power output of detected radio-frequency (RF) power amplification is in outside the power amplifier output power range in the duration that sets in advance always, and can't adjust in the power amplifier output power range, so, the power output abnormality alarming is also closed amplifier power supply, finishes ageing process;
In the temperature rise period of ageing process of the present invention, also comprise: the operating current that detects radio-frequency (RF) power amplification, and the operating current of more detected radio-frequency (RF) power amplification and the power amplifier current margin that sets in advance, when the operating current of detected radio-frequency (RF) power amplification exceeds the power amplifier current margin that sets in advance, the output current abnormality alarming is also closed amplifier power supply, finishes ageing process.
In the ageing process of the present invention, also comprise: the working temperature that detects radio-frequency (RF) power amplification, in the temperature rise period, if the working temperature of detected radio-frequency (RF) power amplification does not reach the lower limit of the screening temperature range that sets in advance in the duration that sets in advance, the output temperature abnormality alarming is also closed the radio-frequency (RF) power amplification power supply, finishes aging;
When the working temperature of radio-frequency (RF) power amplification entered in the screening temperature range that sets in advance, radio-frequency (RF) power amplification entered the constant temperature stage; In the constant temperature stage, the working temperature of more detected radio-frequency (RF) power amplification and the screening temperature range that sets in advance are higher than going up in limited time of the screening temperature range that sets in advance when the working temperature of detected radio-frequency (RF) power amplification, close the radio-frequency (RF) power amplification power supply, open fan; Be lower than the following of screening temperature range that sets in advance when the working temperature of detected radio-frequency (RF) power amplification and close fan in limited time, open the radio-frequency (RF) power amplification power supply.
In the ageing process of the present invention, also comprise: after default constant temperature duration arrives, the aging temperature-fall period that enters.When entering temperature-fall period, close the radio-frequency (RF) power amplification power supply aging, open fan and lower the temperature to radio-frequency (RF) power amplification, the cooling that drops to parameter configuration when the radio-frequency (RF) power amplification temperature enters the temperature rise period when temperature is following; Circulation is arrived up to aging total duration always, the aging end.
In aging above-mentioned any stage, if the working temperature of radio-frequency (RF) power amplification surpasses the limiting temperature that sets in advance, the output limit temperature warning is also closed the radio-frequency (RF) power amplification power supply, finishes aging.
Especially, for the binary channels radio-frequency (RF) power amplification, even the multichannel radio-frequency (RF) power amplification, can be configured by the inventive method.During such as aging GSM, CDMA single channel or binary channels radio-frequency (RF) power amplification, only need tone signal output frequency of configuration, and configuration hygral equilibrium thresholding, other ageing parameters dispose as required, when wearing out TD-SCDMA two-band binary channels power amplifier, can dispose two tone signal output frequencies, hygral equilibrium thresholding, other ageing parameters dispose as required.
Be operated in the binary channels power amplifier of different frequency for two passages, dispose the operating frequency of each passage respectively, use the mode of time-division that two passages are worn out respectively, during such as the AB frequency range power amplifier of aging TD-SCDMA, the A channel operating frequency is 1900MHz, B passage operating frequency is 2017.5MHz, so, use time-division control when aging, elder generation wore out for 2 seconds to the tone signal that A channel adds 1900MHz, the tone signal of adding 2017.5MHz for the B passage wore out for 2 seconds again, circulation always, realize the hygral equilibrium function in conjunction with the hygral equilibrium thresholding that sets in advance simultaneously, thereby realized that the effective of binary channels power amplifier who two passages is operated in different frequency wears out;
Be operated in the binary channels power amplifier of same frequency for two passages, to two passages output tone signals two passages worn out simultaneously respectively.Such as the binary channels power amplifier of GSM, A, B passage operating frequency are 942.5MHz, and when aging, configuration output tone signal frequency is 942.5MHz, and gives A, the B passage of power amplifier after using the power splitter merit to divide respectively, and it is aging to realize that binary channels loads simultaneously.
Outside, for aging above-mentioned binary channels radio-frequency (RF) power amplification, in whole ageing process, can also judge the temperature difference of two passages of radio-frequency (RF) power amplification according to the hygral equilibrium thresholding of configuration, if the temperature difference of two passages surpasses the hygral equilibrium thresholding, so, the power supply of that passage that closing temperature is higher makes its cooling; When the temperature difference of two passages is lower than the hygral equilibrium thresholding, reopen the power supply of closing passage, continue aging.The temperature that this control can make two passages of radio-frequency (RF) power amplification is balance more, and like this, two passages will be balanced more in the pyroprocess of ageing process and temperature shock process, make each passage of radio-frequency (RF) power amplification all reach same aging effect.
More than be aging at the binary channels radio-frequency (RF) power amplification,, can realize aging by improvement to performance element for the multichannel power amplifier.Being embodied in art technology is to obtain easily according to method provided by the invention, repeats no more here.
Here give an example and describe the application of each parameter of the present invention.Suppose aging total duration 8 hours, radio frequency tone signal frequency is 942.5MHz, output power range 40dBm-42dBm, power amplifier current margin 0.5A-6A, 70 ℃-80 ℃ of screening temperature ranges, cooling is by 40 ℃ of temperature, 95 ℃ of limiting temperatures, constant temperature time 0.5 hour, power alarm time 1 minute, 30 minutes temperature warning time.
The aging beginning of main control unit control, and control execution unit is exported 942.5MHz to power amplifier tone signal is gathered information such as power amplifier temperature, power amplifier power output, power amplifier operating current simultaneously to power amplifier by performance element.Aging beginning back acquiescence enters the temperature rise period, during the temperature rise period, main control unit is judged the power amplifier power output of gathering, suppose after 1 minute heating-up time, when the power amplifier power output still can't way output power range 40dBm-42dBm, output power amplifier power abnormality alarming is closed amplifier power supply, finishes aging; If reached output power range 40dBm-42dBm in back 1 minute, agingly normally carry out in intensification; Main control unit is judged the power amplifier temperature, when the power amplifier temperature when intensification does not reach 70 ℃ of screening lowest temperatures yet after back 30 minutes, the output temperature abnormality alarming is closed amplifier power supply, finishes aging; When the power amplifier temperature at 30 minutes with interior when reaching 70 ℃ of lowest temperatures of screening, enter the constant temperature stage, continue this moment to heat up, when the power amplifier temperature reaches 80 ℃ of temperature upper limits of screening, the main control unit control execution unit is closed amplifier power supply, begin cooling, when the power amplifier temperature reaches the screening lowest temperature, amplifier power supply is opened and is continued to heat up, with this circulate move always up to 0.5 hour constant temperature time to after enter temperature-fall period, enter temperature-fall period after amplifier power supply close, fan is opened to power amplifier and is lowered the temperature, when the power amplifier temperature reaches cooling by 40 ℃ of temperature, reopen amplifier power supply, close fan, power amplifier heats up, and reenters the temperature rise period, heat up, constant temperature, cooling circulates after aging total duration of 8 hours arrives always, aging end.
In whole ageing process, if the power amplifier operating current surpasses the power amplifier current margin 6A upper limit that is provided with, the output current abnormality alarming is closed amplifier power supply, finishes aging; Temperature is 90 ℃ if the power amplifier temperature reaches capacity, the output limit temperature warning, and close amplifier power supply, finish aging.
For twin-channel hygral equilibrium function, if the hygral equilibrium thresholding that is provided with is 5 ℃, so, when the temperature difference of two passages of power amplifier surpasses 5 ℃, higher that road of closing temperature makes its cooling, when the temperature difference of two passages of power amplifier is lower than 5 ℃, reopen pent passage, normal aging.
The present invention is by to the collection of the work state information of radio-frequency (RF) power amplification and report, understood the real work state of radio-frequency (RF) power amplification better, power output as above-mentioned radio-frequency (RF) power amplification, and/or the operating current of radio-frequency (RF) power amplification, and/or the working temperature of radio-frequency (RF) power amplification, and ageing process is effectively controlled according to the real work state of radio-frequency (RF) power amplification in the ageing process, to the timely powered-down of the radio-frequency (RF) power amplification that is in abnormality, withdraw from agingly, guaranteed the fail safe (promptly be not damaged) of radio-frequency (RF) power amplification in ageing process.
At the inventive method, a kind of system of aging radio-frequency (RF) power amplification also is provided, it forms structure as shown in Figure 2, mainly comprises main control unit, performance element and radio-frequency (RF) power amplification, wherein,
Main control unit is used to control the unlatching/end of ageing process, and specifically controls to performance element output control information notice performance element; Further receive from the work state information of the radio-frequency (RF) power amplification of performance element and be shown to the user;
Performance element is used for according to the control information from main control unit, and produce the radio frequency tone signal and export to radio-frequency (RF) power amplification, and according to the control of control information to radio-frequency (RF) power amplification.Can produce the radio frequency tone signal of different frequency by to frequently combining the configuration of chip, like this, more polymorphic type radio-frequency (RF) power amplification aging that made aging mode compatibility of the present invention.Here, the frequency of the ADF4350 that the comprehensive chip of frequency can be an ADI company or the produced wide frequency ranges tone signal of other manufacturers is combined chip, can export required frequency tone signal by control chip by interface and order that chip provides to this comprehensive frequently chip transmission order.Need to prove, application about frequently comprehensive chip is that those skilled in the art are known easily, here be not described in detail, what the present invention emphasized is, to combine chip application frequently in the ageing process of radio-frequency (RF) power amplification, produced the radio frequency tone signal of different frequency easily, more polymorphic type radio-frequency (RF) power amplification aging that made aging mode compatibility of the present invention; Performance element is further used for, and gathers the work state information of radio-frequency (RF) power amplification and reports main control unit;
Radio-frequency (RF) power amplification is used for moving according to the control of performance element; Be further used for to performance element output self work state information.
Wherein, main control unit specifically is used for being provided with according to the operating frequency of radio-frequency (RF) power amplification the radio frequency tone signal of corresponding frequencies, and the configuration ageing parameter is such as aging total duration; Further, ageing parameter also comprises the power amplifier output power range, and/or the power amplifier current margin, and/or screening temperature range and cooling are by temperature; Main control unit also be used for to ageing process control, the work state information of alarming processing, demonstration radio-frequency (RF) power amplification and ageing process information etc.
Performance element specifically is used for according to the radio frequency tone signal that is provided with, and produces the radio frequency tone signal, resolves control information that main control unit issues and radio-frequency (RF) power amplification is carried out corresponding control, such as close radio-frequency (RF) power amplification power supply, opening/closing fan etc.; And the work state information from the radio-frequency (RF) power amplification that collects to main control unit and the ageing process information that report, wherein, the work state information of radio-frequency (RF) power amplification comprises: the power output of radio-frequency (RF) power amplification, and/or the operating current of radio-frequency (RF) power amplification, and/or the working temperature of radio-frequency (RF) power amplification; Ageing process information comprises that the power output of radio-frequency (RF) power amplification is whether in the power amplifier output power range that sets in advance, whether the operating current of radio-frequency (RF) power amplification is in the power amplifier current margin that sets in advance, whether the working temperature of radio-frequency (RF) power amplification is lower than the screening temperature range lower limit that sets in advance, whether the operating current of radio-frequency (RF) power amplification is higher than the screening temperature range upper limit that sets in advance, whether the radio-frequency (RF) power amplification temperature drops to the cooling of parameter configuration by below the temperature, whether the working temperature of radio-frequency (RF) power amplification enters in the screening temperature range that sets in advance (being whether radio-frequency (RF) power amplification enters the constant temperature stage), the working temperature of the radio-frequency (RF) power amplification temperature that whether oversteps the extreme limit, whether arrive constant temperature time or the like.Especially, be operated in the binary channels power amplifier of same frequency for two passages, can the merit branch be set at performance element, the radio frequency tone signal that is used for being provided with is divided into two-way and exports to two passages.
Improvement through to performance element can realize providing the tone signal of different frequency to wear out simultaneously to two passages, and being embodied in art technology is to obtain easily according to method provided by the invention, repeats no more here; Equally, more than be aging at the binary channels radio-frequency (RF) power amplification, for the multichannel power amplifier, can realize agingly by improvement to performance element, being embodied in art technology is to obtain easily according to method provided by the invention, repeats no more here.
Wherein, performance element is a lot of to the specific implementation method of the collection of the work state information of radio-frequency (RF) power amplification, belongs to those skilled in the art's conventional techniques means, repeat no more here, and its specific implementation method also is not intended to limit the scope of the invention.What the present invention emphasized is, by performance element to the collection of the work state information of radio-frequency (RF) power amplification and report, make main control unit understand the real work state of radio-frequency (RF) power amplification better, and aging engineering is effectively controlled according to the real work state of radio-frequency (RF) power amplification in the ageing process, to the timely powered-down of the radio-frequency (RF) power amplification that is in abnormality, withdraw from agingly, guaranteed the fail safe (promptly be not damaged) of radio-frequency (RF) power amplification in ageing process.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (17)
1. the method for an aging radio-frequency power amplifier is characterized in that, this method comprises:
The radio frequency tone signal of corresponding frequencies is set according to the operating frequency of radio-frequency (RF) power amplification; The radio frequency tone signal that the radio-frequency (RF) power amplification utilization sets, and wear out according to the ageing parameter that sets in advance.
2. method according to claim 1 is characterized in that, described radio-frequency (RF) power amplification is the binary channels radio-frequency (RF) power amplification, and this method also comprises:
According to the hygral equilibrium thresholding that sets in advance the temperature of two passages of radio-frequency (RF) power amplification is judged that if the temperature difference of two passages surpasses the hygral equilibrium thresholding, the power supply of the passage that closing temperature is higher makes its cooling;
When the temperature difference of two passages is lower than the hygral equilibrium thresholding, reopen the power supply of closing passage, continue aging until arriving aging total duration.
3. method according to claim 2 is characterized in that, two passages of described binary channels radio-frequency (RF) power amplification are operated in different frequency; The radio frequency tone signal that described utilization sets wears out and comprises:
The radio frequency tone signal of the different frequency that described radio frequency tone signal is two different passages of correspondence, two passages adopt the mode of time-division to wear out according to the ageing parameter that sets in advance respectively.
4. method according to claim 2 is characterized in that, two passages of described binary channels radio-frequency (RF) power amplification are operated in same frequency; The radio frequency tone signal that described utilization sets carries out aging method:
Wear out according to the ageing parameter that sets in advance to two passage output tone signals and while respectively.
5. according to each described method of claim 1～4, it is characterized in that described ageing parameter is aging total duration.
6. method according to claim 5 is characterized in that, described ageing parameter also comprises: the power amplifier output power range; Described wearing out according to the ageing parameter that sets in advance comprises:
Detect the power output of described radio-frequency (RF) power amplification, and according to the power output of detected radio-frequency (RF) power amplification, adjust the size of the radio frequency tone signal of input radio frequency power amplifier, the power output that makes radio-frequency (RF) power amplification is in described power amplifier output power range.
7. method according to claim 6, it is characterized in that, if the power output of described detected radio-frequency (RF) power amplification is in the duration that sets in advance outside the described power amplifier output power range always, the power output abnormality alarming is also closed amplifier power supply, finishes ageing process.
8. method according to claim 5 is characterized in that, described ageing parameter also comprises: the power amplifier current margin; Described wearing out according to the ageing parameter that sets in advance comprises:
Detect the operating current of radio-frequency (RF) power amplification, the operating current of more detected radio-frequency (RF) power amplification and described power amplifier current margin, when the operating current of detected radio-frequency (RF) power amplification exceeds described power amplifier current margin, the output current abnormality alarming is also closed amplifier power supply, finishes ageing process.
9. method according to claim 5 is characterized in that, described ageing parameter also comprises: the screening temperature range; Described wearing out according to the ageing parameter that sets in advance comprises:
Detect the working temperature of radio-frequency (RF) power amplification, in the temperature rise period, if the working temperature of detected radio-frequency (RF) power amplification does not reach the lower limit of described screening temperature range in the duration that sets in advance, the output temperature abnormality alarming is also closed the radio-frequency (RF) power amplification power supply, finishes aging.
10. method according to claim 9 is characterized in that, when the working temperature of described detected radio-frequency (RF) power amplification entered in the described screening temperature range, described radio-frequency (RF) power amplification entered the constant temperature stage;
In the constant temperature stage, the working temperature of more detected radio-frequency (RF) power amplification and described screening temperature range when the working temperature of detected radio-frequency (RF) power amplification is higher than going up in limited time of described screening temperature range, are closed the radio-frequency (RF) power amplification power supply, open fan; Close fan in limited time when the working temperature of detected radio-frequency (RF) power amplification is lower than the following of described screening temperature range, open the radio-frequency (RF) power amplification power supply.
11. method according to claim 10 is characterized in that, described ageing parameter also comprises: the constant temperature duration, and cooling is by temperature; This method comprises: after the constant temperature duration arrives, and the aging temperature-fall period that enters;
When entering temperature-fall period, close the radio-frequency (RF) power amplification power supply aging, open fan and lower the temperature to radio-frequency (RF) power amplification, the cooling that drops to parameter configuration when the radio-frequency (RF) power amplification temperature enters the temperature rise period when temperature is following; Circulation is arrived up to aging total duration always, the aging end.
12. method according to claim 5 is characterized in that, described ageing parameter also comprises: limiting temperature; In the described ageing process, if the working temperature of described radio-frequency (RF) power amplification surpasses described limiting temperature, then output limit temperature warning and close described radio-frequency (RF) power amplification power supply finishes aging.
13. the system of an aging radio-frequency power amplifier is characterized in that, comprises main control unit, performance element and radio-frequency (RF) power amplification, wherein,
Main control unit is used to control the unlatching/end of ageing process, and specifically controls to performance element output control information notice performance element;
Performance element is used for according to the control information from main control unit, and produce the radio frequency tone signal and export to radio-frequency (RF) power amplification, and according to the control of control information to radio-frequency (RF) power amplification;
Radio-frequency (RF) power amplification is used for moving according to the control of performance element.
14. system according to claim 13 is characterized in that, described main control unit also is used to receive from the work state information of the radio-frequency (RF) power amplification of performance element and is shown to the user;
Described performance element also is used to gather the work state information of radio-frequency (RF) power amplification and reports main control unit.
15., it is characterized in that described control unit specifically is used for being provided with according to the operating frequency of radio-frequency (RF) power amplification the radio frequency tone signal of corresponding frequencies according to claim 13 or 14 described systems, configuration comprises the ageing parameter of aging total duration.
16. system according to claim 15 is characterized in that: described ageing parameter also comprises the power amplifier output power range, and/or the power amplifier current margin, and/or screening temperature range and cooling are by temperature;
Described main control unit, also be used for to ageing process control, the work state information and the ageing process information of alarming processing, demonstration radio-frequency (RF) power amplification.
17. system according to claim 14, it is characterized in that described performance element specifically is used for according to the radio frequency tone signal that is provided with, produce the radio frequency tone signal, resolve the control information close radio-frequency (RF) power amplification power supply that main control unit issues, opening/closing fan; And,
Report the work state information and the ageing process information of the radio-frequency (RF) power amplification that collects to described main control unit, wherein, the work state information of radio-frequency (RF) power amplification comprises: the power output of radio-frequency (RF) power amplification, and/or the operating current of radio-frequency (RF) power amplification, and/or the working temperature of radio-frequency (RF) power amplification;
Ageing process information comprises that the power output of radio-frequency (RF) power amplification is whether in the power amplifier output power range that sets in advance, whether the operating current of radio-frequency (RF) power amplification is in the power amplifier current margin that sets in advance, whether the working temperature of radio-frequency (RF) power amplification is lower than the screening temperature range lower limit that sets in advance, whether the operating current of radio-frequency (RF) power amplification is higher than the screening temperature range upper limit that sets in advance, whether the radio-frequency (RF) power amplification temperature drops to the cooling of parameter configuration by below the temperature, whether the working temperature of radio-frequency (RF) power amplification enters in the screening temperature range that sets in advance, the working temperature of the radio-frequency (RF) power amplification temperature that whether oversteps the extreme limit, whether arrive constant temperature time.
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| CN2010105694190A CN102055416A (en) | 2010-12-01 | 2010-12-01 | Method and system for ageing radio-frequency power amplifier |
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Application publication date: 20110511 |