CN210986053U - Digital-microwave traveling wave tube amplifier - Google Patents
Digital-microwave traveling wave tube amplifier Download PDFInfo
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- CN210986053U CN210986053U CN201921995195.2U CN201921995195U CN210986053U CN 210986053 U CN210986053 U CN 210986053U CN 201921995195 U CN201921995195 U CN 201921995195U CN 210986053 U CN210986053 U CN 210986053U
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Abstract
The application discloses digital microwave traveling wave tube amplifier, including power acquisition module, trouble acquisition module, data processing module and display module, data processing module includes analog-to-digital conversion circuit and data processing circuit, the analog-to-digital conversion circuit is connected to the power acquisition module, and analog-to-digital conversion circuit connects data processing circuit, trouble acquisition module connects data processing circuit, and data processing circuit connects the display module. Through power acquisition module, trouble collection module cooperation data processing module, acquire microwave pulse signal, alarm signal and convert the digital signal into, show through display module, reach real-time acquisition signal and handle, the effect of real-time display amplifier power and alarm information has saved the process of disassembling and reinstalling, has improved the efficiency of power detection and maintenance greatly.
Description
Technical Field
The application relates to a digital microwave traveling wave tube amplifier.
Background
The microwave traveling wave tube amplifier is used for the final stage of the transmitter and has the function of amplifying the power of a microwave modulation signal so as to meet the requirement of transmitting power and then radiating the microwave modulation signal to a space through an antenna; the microwave traveling wave tube is a core device for microwave power amplification and is widely applied to the fields of radar, electronic countermeasure, communication and the like.
The inventor finds that when the microwave traveling wave tube amplifier is detected, the waveguide tube needs to be disassembled, then the power load is connected, the power load passes through the power meter for testing, the disassembling and re-assembling processes are complicated, the amplifier cannot be used in the detection process, and the requirement for obtaining the power of the traveling wave tube amplifier in real time is difficult to meet; in addition, the amplifier does not have the alarm function of voltage, current and temperature abnormity, great difficulty is brought to maintenance and detection, and the requirement of timely loss stopping is difficult to meet.
SUMMERY OF THE UTILITY MODEL
The purpose of this application is to the defect that prior art exists, provide a digital microwave travelling wave tube amplifier, through power acquisition module, trouble acquisition module cooperation data processing module, acquire microwave pulse signal, alarm signal and convert digital signal into, show through display module, reach real-time signal collection and handle, the effect of real-time display amplifier power and alarm information has saved the process of disassembling and reinstallating, the efficiency of power detection and maintenance has been improved greatly.
In order to realize the purpose, the following technical scheme is adopted:
a digital-microwave traveling-wave tube amplifier comprises a power acquisition module, a fault acquisition module, a data processing module and a display module, wherein the data processing module comprises an analog-to-digital conversion circuit and a data processing circuit, the power acquisition module is connected with the analog-to-digital conversion circuit, the analog-to-digital conversion circuit is connected with the data processing circuit, the data processing circuit is connected with the display module, and the display module is used for displaying the power of the amplifier in real time.
Furthermore, the power acquisition module comprises an attenuator, a detector and a shaping circuit, the attenuator is connected with the detector, the detector is connected with the shaping circuit, the input end of the attenuator is connected with the output end of the traveling wave tube amplifier through waveguide coupling, and the shaping circuit is used for outputting the pulse signal to the analog-to-digital conversion circuit.
Furthermore, the display module is a nixie tube, and the nixie tube is connected with the output end of the data processing circuit, receives the digital signal sent by the data processing module and displays the power in real time.
Furthermore, the nixie tube is a 0.8 inch 4-digit nixie tube.
Further, still include the trouble collection module, the trouble collection module include voltage, electric current, temperature signal acquisition circuit, the trouble collection module is used for gathering voltage, electric current, temperature signal and sending to data processing circuit, the data processing circuit is connected to the trouble collection module, the data processing circuit receives the signal of trouble collection module transmission to alarm signal output to display module after will comparing the processing.
Furthermore, the display module comprises two groups of nixie tubes which are respectively used for displaying the fault codes and the real-time power of the amplifier.
Further, the display module is mounted on a housing of the amplifier.
Furthermore, the input end of the power acquisition module is coupled and connected with the output end of the traveling wave tube amplifier through a waveguide.
Compared with the prior art, the application has the advantages and positive effects that:
(1) the microwave signal is acquired in real time and converted into a digital signal, and the nixie tube is used for real-time power display. Compared with the traditional method that the power of the amplifier can be obtained only by disassembling and connecting the power load, the structure can lead out the signal and display the signal in real time, so that the disassembling and connecting load measuring process is omitted, and the requirement for mastering the power of the amplifier in real time is met;
(2) on the basis of the power measuring and displaying circuit, a fault acquisition circuit is added, the data processing circuit is matched to judge the alarm signal and output a fault code signal, and a nixie tube is utilized to directly display the fault code, so that the effect of displaying the fault code in real time and conveniently acquiring internal fault information is achieved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic structural diagram of a digital display microwave traveling-wave tube amplifier according to embodiment 1 of the present application;
fig. 2 is a schematic structural diagram of a power and fault code display portion according to embodiment 1 of the present application;
fig. 3 is a circuit diagram of a power acquisition module according to embodiment 1 of the present application;
fig. 4 is a circuit diagram of an analog-to-digital conversion circuit according to embodiment 1 of the present application;
fig. 5 is a circuit diagram of a display module according to embodiment 1 of the present application;
fig. 6 is a partial circuit diagram of a fault collection module according to embodiment 1 of the present application;
fig. 7 is a partial circuit diagram of a fault collection module according to embodiment 1 of the present application;
fig. 8 is a circuit diagram of a data processing circuit according to embodiment 1 of the present application;
fig. 9 is a schematic view of the fitting and installation of the nixie tube and the amplifier housing according to embodiment 1 of the present application.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
as introduced in the background art, in the prior art, when a microwave traveling wave tube amplifier is detected, a waveguide tube needs to be disassembled, and then a power load is connected to pass a power meter test, the disassembling and re-assembling processes are complicated, and the amplifier cannot be used in the detection process, so that the requirement for acquiring the power of the traveling wave tube amplifier in real time is difficult to meet; in addition, the amplifier does not have the alarm function of voltage, current and temperature abnormity, great difficulty is brought to detection and maintenance work, and the requirement of timely loss stopping is difficult to achieve.
Example 1
In an exemplary embodiment of the present application, a power amplifier with a real-time power display is presented, as shown in fig. 1-8.
In order to solve the problem that real-time power is difficult to measure, a digital-microwave traveling wave tube amplifier is provided and comprises a traveling wave tube, a power supply module, a power acquisition module, a data processing module and a display module, wherein the power supply module supplies power for all elements, the power acquisition module is connected to the output end of the traveling wave tube amplifier through a waveguide, microwave pulse modulation signals are coupled to the power acquisition module and are subjected to attenuation, demodulation and pulse shaping in sequence, the shaped pulse signals are input to the data processing module and are subjected to analog-to-digital conversion and data processing in sequence, the processed power digital signals are output to the display module, and a digital tube of the display module receives and displays the digital signals.
Specifically, the power acquisition module comprises an attenuator, a detector and a shaping circuit, wherein the attenuator, the detector and the shaping circuit are sequentially connected in series, and are used for sequentially carrying out attenuation, detection and shaping processing on a microwave pulse modulation signal to generate a pulse signal; wherein the attenuator is selected from-10 dB, the frequency is 8GHz-18GHz, and the detector frequency is selected from 8GHz-18 GHz; as shown in fig. 3, a high-power microwave pulse modulation signal is attenuated by-10 dB through an attenuator Y1, and then is detected into a pulse signal through a detector Y2, a direct-current signal in the pulse signal is removed through a coupling capacitor C3, and then the pulse signal is input into a two-stage operational amplifier circuit to shape the pulse signal, the two-stage operational amplifier circuit adopts a D1: AD8058AR operational amplifier chip, a first-stage operational amplifier D1A amplifies the signal, Vout is (R4/R3+1) Vin, and a second-stage operational amplifier D1B finishes shaping the signal.
Furthermore, the data processing module comprises an analog-to-digital conversion circuit and a data processing circuit, wherein the analog-to-digital conversion circuit is used for receiving the pulse signal output by the shaping circuit, converting the pulse signal into a digital signal and transmitting the digital signal to the data processing circuit; in this embodiment, the analog-to-digital conversion circuit adopts an AD9223 single-channel analog-to-digital converter as a conversion element to implement analog-to-digital conversion;
furthermore, in order to achieve real-time acquisition of internal fault information, the fault acquisition module is further arranged, the output of the fault acquisition module is connected with the data processing module, the fault acquisition module is provided with a plurality of acquisition circuits which are respectively a voltage acquisition circuit, a current acquisition circuit and a temperature acquisition circuit, respectively acquire a voltage signal, a current signal and a temperature signal and transmit the voltage signal, the current signal and the temperature signal to the data processing circuit, the data processing circuit compares each acquired parameter value with a set value, and if the acquired parameter value exceeds the set value, a fault code is sent to the display module to display the fault code;
the specific alarm signal acquisition is shown in fig. 6 and 7, Y3: L HB-Y4 is a current sensor, an induction coil of the current sensor is embedded on a power line and converts a current signal into a digital signal and outputs the digital signal to a processing circuit, Y4: PT100 is a temperature sensor, the acquired temperature signal is subjected to signal amplification through an operational amplifier U6: L M358 and is output to a data processing circuit, Vout (R8/R7+1) Vin, the data processing circuit adopts SH79F166AF as a processing element, a specific circuit diagram is shown in fig. 8, an analog pulse signal is subjected to analog-to-digital conversion through a 25 pin VINA of a high-speed analog-to-digital conversion chip U2: AD9223, the 12-BIT digital signal generated by the conversion is output to a buffer chip 74HC541(U3 and U4) through a BIT1-BIT12(2-13 pins) of the chip U2: AD9223, and the 12-BIT digital signal is output to a 12-BIT digital signal output to a buffer chip 0 and is output to a data processing circuit for displaying the data processing circuit and displaying the data.
Of course, the focus of the present application is on the connection relationship between the power acquisition module, the fault acquisition module, the display module and the data processing module and the signal transfer, and the specific implementation of the acquisition and processing procedures is not the focus of the present application, and these related procedures may be the existing acquisition control procedures or may be freely made by those skilled in the art according to the requirements.
Further, for real-time power display and fault code display, in this embodiment, the display module is connected to the output end of the data processing module, and mainly includes a triode S8550 and two groups of 0.8-inch 4-bit nixie tubes, and the pin connection mode is as shown in fig. 5;
it is understood that the present application aims to display the power of the amplifier in real time and to display part of the faults in the form of fault codes, so that the display module can be controlled by using a display element which can be controlled conveniently and can display stably, including but not limited to a nixie tube.
Further, in order to facilitate reading of the display power and the trouble code, in the present embodiment, it is disposed on the housing of the amplifier for intuitive display.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. The digital microwave traveling wave tube amplifier is characterized by comprising a power acquisition module, a fault acquisition module, a data processing module and a display module, wherein the data processing module comprises an analog-to-digital conversion circuit and a data processing circuit, the power acquisition module is connected with the analog-to-digital conversion circuit, the analog-to-digital conversion circuit is connected with the data processing circuit, the data processing circuit is connected with the display module, and the display module is used for displaying the power of the amplifier in real time.
2. The digital display microwave traveling-wave tube amplifier according to claim 1, wherein the power collecting module comprises an attenuator, a detector and a shaping circuit, the attenuator is connected with the detector, the detector is connected with the shaping circuit, the input end of the attenuator is connected with the output end of the traveling-wave tube amplifier through a waveguide coupling, and the shaping circuit is used for outputting a pulse signal to the analog-to-digital conversion circuit.
3. The digital display microwave traveling-wave tube amplifier according to claim 1, wherein the display module is a nixie tube display, and the display module is connected to the output end of the data processing circuit, receives the digital signal sent by the data processing module, and displays the power in real time.
4. The digital display microwave traveling-wave tube amplifier according to claim 3, wherein the nixie tube is a 0.8 inch 4-digit nixie tube.
5. The digital display microwave traveling-wave tube amplifier according to claim 1, further comprising a fault acquisition module, wherein the fault acquisition module comprises a voltage, current and temperature signal acquisition circuit, the fault acquisition module is used for acquiring voltage, current and temperature signals and sending the signals to the data processing circuit, the fault acquisition module is connected with the data processing circuit, and the data processing circuit receives fault signals transmitted by the fault acquisition module and outputs the alarm signals after comparison processing to the display module.
6. The digital display microwave traveling-wave tube amplifier according to claim 5, wherein the display module comprises two groups of nixie tubes for displaying the real-time power and the fault code of the amplifier respectively.
7. The digital display microwave traveling wave tube amplifier according to claim 1, wherein the display module is mounted on a housing of the amplifier.
8. The digital display microwave traveling wave tube amplifier according to claim 1, wherein an input end of the power acquisition module is coupled and connected with an output end of the traveling wave tube amplifier through a waveguide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921995195.2U CN210986053U (en) | 2019-11-18 | 2019-11-18 | Digital-microwave traveling wave tube amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921995195.2U CN210986053U (en) | 2019-11-18 | 2019-11-18 | Digital-microwave traveling wave tube amplifier |
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| Publication Number | Publication Date |
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| CN210986053U true CN210986053U (en) | 2020-07-10 |
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| CN201921995195.2U Active CN210986053U (en) | 2019-11-18 | 2019-11-18 | Digital-microwave traveling wave tube amplifier |
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| CN (1) | CN210986053U (en) |
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