CN210469337U - Microwave power capacity tester - Google Patents
Microwave power capacity tester Download PDFInfo
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- CN210469337U CN210469337U CN201922339462.7U CN201922339462U CN210469337U CN 210469337 U CN210469337 U CN 210469337U CN 201922339462 U CN201922339462 U CN 201922339462U CN 210469337 U CN210469337 U CN 210469337U
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Abstract
The utility model discloses a microwave power capacity tester, include: the display control extension set comprises an industrial control extension set, a power detection unit, a KVM display and control extension set and first display equipment, wherein the KVM display and control extension set and the first display equipment are both connected with the industrial control extension set through serial ports, and the power detection unit is connected with the display control extension set through a USB; the signal source extension, the high-frequency power amplifier extension, the low-frequency power amplifier extension and the power supply extension are connected with the serial ports of the display control extension; the high-frequency power amplifier extension and the low-frequency power amplifier extension are both connected with the signal source extension; the power supply extension supplies power to the display control extension, the signal source extension, the high-frequency power amplifier extension and the low-frequency power amplifier extension; the frequency range of the high-power radio-frequency signal generated by the microwave power capacity tester is wider, and the test research of the microwave signals of a plurality of frequency bands can be realized.
Description
Technical Field
The utility model relates to a microwave test technique, especially a microwave power capacity tester.
Background
The mobile communication system carries more and more data, so the power requirement on the device is higher and higher, especially with the development of the 4G technology, when the device generates flashover, device burnout and device index deterioration due to insufficient power capacity, the reliability and safety of the mobile communication system are all reduced, and devices such as a microwave power capacity tester appear on the basis.
The microwave power capacity tester is an indispensable instrument in microwave communication research, and can help researchers to research generation, amplitude control, frequency hopping, mode control and the like of high-power microwave signals; the existing microwave power capacity tester has the following problems that firstly, the generated working frequency range is narrow, and the research on a wide frequency range is not facilitated; secondly, the power amplifier circuit of each frequency band is shared, so that the accuracy and stability of signals of each frequency band cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a microwave power capacity tester, the frequency range of the high-power radio frequency signal that can produce is wider, can realize the test research of the microwave signal of a plurality of frequency sections.
The purpose of the utility model is realized through the following technical scheme:
a microwave power capacity tester, comprising: the display control extension set comprises an industrial control extension set, a power detection unit, a KVM display and control extension set and first display equipment, wherein the KVM display and control extension set and the first display equipment are both connected with the industrial control extension set through serial ports, and the power detection unit is connected with the display control extension set through a USB; and
the signal source extension, the high-frequency power amplifier extension, the low-frequency power amplifier extension and the power supply extension are connected with the serial ports of the display control extension;
the high-frequency power amplifier extension and the low-frequency power amplifier extension are both connected with the signal source extension;
the power supply extension supplies power to the display control extension, the signal source extension, the high-frequency power amplifier extension and the low-frequency power amplifier extension.
Furthermore, the industrial control extension set comprises an industrial control computer, the industrial control computer is connected with the signal source extension set, the high-frequency power amplifier extension set, the low-frequency power amplifier extension set and the power supply extension set through serial ports, and the industrial control computer is further connected with the power detection unit through a USB.
Furthermore, KVM shows extension of control includes instruction input device and second display device, instruction input device, second display device all with industrial control extension is connected.
Furthermore, the signal source extension set comprises a frequency source module, a radio frequency gating switch, a pulse modulation module, an ALC correction module, a switch switching circuit and a first control unit, wherein the frequency source module, the radio frequency gating switch, the pulse modulation module, the ALC correction module and the switch switching circuit are sequentially connected, and the first control unit is connected with the frequency source module, the radio frequency gating switch, the pulse modulation module, the ALC correction module and the switch switching circuit.
Furthermore, the high-frequency power amplifier extension set comprises a high-frequency power amplifier circuit, a plurality of first bidirectional couplers, a time sequence power supply unit and a second control unit; the high-frequency power amplifier circuit comprises a first high-frequency power amplifier circuit, a second high-frequency power amplifier circuit and a third high-frequency power amplifier circuit, and the first high-frequency power amplifier circuit, the second high-frequency power amplifier circuit and the third high-frequency power amplifier circuit are respectively connected with the first bidirectional coupler; the time sequence power supply unit is connected with the high-frequency power amplifier circuit and is also connected with a second control unit; the first bidirectional coupler also outputs positive and negative detection signals.
Furthermore, the low-frequency power amplifier extension set comprises a low-frequency power amplifier circuit, a plurality of second bidirectional couplers, a high-power single-pole four-throw switch and a third control unit, wherein the low-frequency power amplifier circuit comprises a first low-frequency power amplifier circuit, a second low-frequency power amplifier circuit, a third low-frequency power amplifier circuit and a fourth low-frequency power amplifier circuit, and the first low-frequency power amplifier circuit, the second low-frequency power amplifier circuit, the third low-frequency power amplifier circuit and the fourth low-frequency power amplifier circuit are respectively connected with the second bidirectional couplers; the high-power single-pole four-throw switch is connected with the first low-frequency power amplifier circuit, the second low-frequency power amplifier circuit, the third low-frequency power amplifier circuit and the fourth low-frequency power amplifier circuit, and is also connected with the third control unit; and the second bidirectional coupler also outputs positive and negative detection signals.
Further, the power detection unit comprises a first single-pole four-throw switch and a first power meter which are connected in sequence, and a second single-pole four-throw switch and a second power which are connected in sequence; four moving ends of the first single-pole four-throw switch are respectively connected with four forward detection signals, and four moving ends of the second single-pole four-throw switch are respectively connected with four reverse detection signals.
Further, the power extension includes a fourth control unit, and the fourth control unit is used for controlling power supply of the corresponding circuit.
The utility model has the advantages of it is following:
the frequency range of the high-power radio-frequency signal generated by the microwave power capacity tester is wider, and the test research of the microwave signals of a plurality of frequency sections can be realized; and secondly, each frequency band is provided with an independent power amplifying circuit, so that the accuracy and the stability of signals of each frequency band can be effectively guaranteed.
Drawings
Fig. 1 is a schematic structural view of the microwave power capacity tester of the present invention;
FIG. 2 is a circuit structure diagram of the signal source extension of the microwave power capacity tester of the present invention;
FIG. 3 is a circuit structure diagram of the high frequency power amplifier extension of the microwave power capacity tester of the present invention;
fig. 4 is a circuit structure diagram of the low-frequency power amplifier extension of the microwave power capacity tester of the present invention;
fig. 5 is a circuit structure diagram of the power testing unit of the microwave power capacity tester of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following description will clearly describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides a microwave power capacity tester, including the display control extension, the display control extension includes industrial control extension, power detection unit, KVM show the extension and first display device all with industrial control extension serial ports is connected, power detection unit with show the extension USB connection; the signal source extension, the high-frequency power amplifier extension, the low-frequency power amplifier extension and the power supply extension are connected with the serial ports of the display control extension; the high-frequency power amplifier extension and the low-frequency power amplifier extension are both connected with the signal source extension; the power supply extension supplies power to the display control extension, the signal source extension, the high-frequency power amplifier extension and the low-frequency power amplifier extension.
The signal source extension set receives an internal signal source or an external signal source and generates radio frequency signals in a plurality of frequency ranges, wherein the signal source extension set comprises 4 paths of low-frequency band radio frequency signals which are output to the low-frequency power amplifier extension set and 3 paths of high-frequency band radio frequency signals which are output to the high-frequency power amplifier extension set; the radio frequency signals of the low-frequency power amplifier extension and the high-frequency power amplifier extension are processed by corresponding power amplifier circuits and then output, meanwhile, the bidirectional coupling devices connected into the power amplifier circuits also output positive and negative detection signals to the power detection unit respectively, and the relevant information is uploaded to the industrial control extension after the detection of the power detection unit.
The power extension receives alternating-current 220V commercial power, can realize the direct current voltage output and the 220V alternating voltage output of multivoltage parameter, provides required power consumption voltage for each different module.
The industrial control extension set comprises an industrial control computer, the industrial control computer is connected with the signal source extension set, the high-frequency power amplification extension set, the low-frequency power amplification extension set and the power supply extension set through serial ports, and the industrial control computer is further connected with the power detection unit through a USB; wherein the serial port connection comprises RS232 serial port connection.
The industrial control computer can receive data or instructions input by a user through a KVM display control extension or remote control, and transmits the user instructions to each extension for processing after translation; the first display device can display the running state of the current system in real time.
The KVM display and control extension comprises an instruction input device and a second display device, and the instruction input device and the second display device are both connected with the industrial control extension; wherein the command input device includes but is not limited to a keyboard and a mouse.
The signal source extension set comprises a frequency source module, a radio frequency gating switch, a pulse modulation module, an ALC correction module and a switch switching circuit which are sequentially connected, and a first control unit which is connected with the frequency source module, the radio frequency gating switch, the pulse modulation module, the ALC correction module and the switch switching circuit.
Wherein the signal source extension has an external signal input and an internal signal input, wherein the internal signal is generated by the frequency source module and the external signal input is a radio frequency signal provided by a user; the frequency source module generates an internal radio frequency signal, and the radio frequency signal can be set and adjusted according to the requirements of a user; the radio frequency gating switch selectively outputs an internal radio frequency signal or an external radio frequency signal so as to realize modulation and amplification of different radio frequency signals; the pulse modulation module can realize pulse modulation or continuous wave work of radio frequency signals, and the pulse modulated waveform can also be generated internally or modulated according to a modulation waveform externally connected by a user; the switch switching circuit can selectively output the radio frequency signal to a specified power amplifier according to the requirement of a user, namely, the radio frequency signal is output to a signal input interface of a specific power amplifier module; the first control unit adopts an FPGA controller to realize corresponding control.
The high-frequency power amplifier extension comprises a high-frequency power amplifier circuit, a plurality of first bidirectional couplers, a time sequence power supply unit and a second control unit; the high-frequency power amplifier circuit comprises a first high-frequency power amplifier circuit, a second high-frequency power amplifier circuit and a third high-frequency power amplifier circuit, and the first high-frequency power amplifier circuit, the second high-frequency power amplifier circuit and the third high-frequency power amplifier circuit are respectively connected with the first bidirectional coupler; the time sequence power supply unit is connected with the high-frequency power amplifier circuit and is also connected with a second control unit; the first bidirectional coupler also outputs positive and negative detection signals, and the second control unit comprises a singlechip.
The first high-frequency power amplifier circuit is mainly responsible for amplifying a radio-frequency signal of a first high-frequency band set by a user, the second high-frequency power amplifier circuit is responsible for amplifying the radio-frequency signal of the first high-frequency band set by the user, and the third high-frequency power amplifier circuit is responsible for amplifying the radio-frequency signal of the first high-frequency band set by the user; the refined high-frequency power amplifier circuit is more beneficial to the research on microwave signals.
The low-frequency power amplifier extension comprises a low-frequency power amplifier circuit, a plurality of second bidirectional couplers, a high-power single-pole four-throw switch and a third control unit, wherein the low-frequency power amplifier circuit comprises a first low-frequency power amplifier circuit, a second low-frequency power amplifier circuit, a third low-frequency power amplifier circuit and a fourth low-frequency power amplifier circuit, and the first low-frequency power amplifier circuit, the second low-frequency power amplifier circuit, the third low-frequency power amplifier circuit and the fourth low-frequency power amplifier circuit are respectively connected with the second bidirectional couplers; the high-power single-pole four-throw switch is connected with the first low-frequency power amplifier circuit, the second low-frequency power amplifier circuit, the third low-frequency power amplifier circuit and the fourth low-frequency power amplifier circuit, and is also connected with the third control unit; the second bidirectional coupler also outputs positive and negative detection signals, and the third control unit comprises a singlechip.
The low-frequency power amplification circuit realizes low-frequency band segmentation processing, wherein the first low-frequency power amplification circuit processes a radio-frequency signal of a first low-frequency band set by a user, the second low-frequency power amplification circuit processes a radio-frequency signal of a second low-frequency band set by the user, the third low-frequency power amplification circuit processes a radio-frequency signal of a third low-frequency band set by the user, and the fourth low-frequency power amplification circuit processes a radio-frequency signal of a fourth low-frequency band set by the user; the accuracy and stability of the radio frequency signal power amplifier of each frequency band can be realized through the sectional processing.
The power detection unit comprises a first single-pole four-throw switch and a first power meter which are sequentially connected, and a second single-pole four-throw switch and a second power which are sequentially connected; four moving ends of the first single-pole four-throw switch are respectively connected with four forward detection signals, and four moving ends of the second single-pole four-throw switch are respectively connected with four reverse detection signals; and the first power meter and the second power meter send the detected data to the industrial control computer through a USB communication line.
The power extension comprises a fourth control unit, the fourth control unit is used for controlling power supply of corresponding circuits, and the fourth control unit comprises a single chip microcomputer.
Claims (8)
1. A microwave power capacity tester is characterized by comprising: the display control extension set comprises an industrial control extension set, a power detection unit, a KVM display and control extension set and first display equipment, wherein the KVM display and control extension set and the first display equipment are both connected with the industrial control extension set through serial ports, and the power detection unit is connected with the display control extension set through a USB; and
the signal source extension, the high-frequency power amplifier extension, the low-frequency power amplifier extension and the power supply extension are connected with the serial ports of the display control extension;
the high-frequency power amplifier extension and the low-frequency power amplifier extension are both connected with the signal source extension;
the power supply extension supplies power to the display control extension, the signal source extension, the high-frequency power amplifier extension and the low-frequency power amplifier extension.
2. The microwave power capacity tester of claim 1, wherein the industrial control extension includes an industrial control computer, the industrial control computer is connected with the signal source extension, the high frequency power amplifier extension, the low frequency power amplifier extension and the power supply extension through serial ports, and the industrial control computer is further connected with the power detection unit through a USB.
3. The microwave power capacity tester of claim 2, wherein the KVM extension console comprises a command input device and a second display device, and the command input device and the second display device are both connected to the industrial control extension console.
4. The microwave power capacity tester as claimed in claim 2, wherein the signal source extension comprises a frequency source module, a radio frequency gating switch, a pulse modulation module, an ALC correction module and a switch switching circuit which are connected in sequence, and a first control unit connected with the frequency source module, the radio frequency gating switch, the pulse modulation module, the ALC correction module and the switch switching circuit.
5. The microwave power capacity tester according to claim 2, wherein the high frequency power amplifier extension includes a high frequency power amplifier circuit, a plurality of first bidirectional couplers, a time sequence power supply unit and a second control unit; the high-frequency power amplifier circuit comprises a first high-frequency power amplifier circuit, a second high-frequency power amplifier circuit and a third high-frequency power amplifier circuit, and the first high-frequency power amplifier circuit, the second high-frequency power amplifier circuit and the third high-frequency power amplifier circuit are respectively connected with the first bidirectional coupler; the time sequence power supply unit is connected with the high-frequency power amplifier circuit and is also connected with a second control unit; the first bidirectional coupler also outputs positive and negative detection signals.
6. The microwave power capacity tester according to claim 2, wherein the low-frequency power amplifier extension includes a low-frequency power amplifier circuit, a plurality of second bidirectional couplers, a high-power single-pole four-throw switch and a third control unit, the low-frequency power amplifier circuit includes a first low-frequency power amplifier circuit, a second low-frequency power amplifier circuit, a third low-frequency power amplifier circuit and a fourth low-frequency power amplifier circuit, and the first low-frequency power amplifier circuit, the second low-frequency power amplifier circuit, the third low-frequency power amplifier circuit and the fourth low-frequency power amplifier circuit are respectively connected with the second bidirectional couplers; the high-power single-pole four-throw switch is connected with the first low-frequency power amplifier circuit, the second low-frequency power amplifier circuit, the third low-frequency power amplifier circuit and the fourth low-frequency power amplifier circuit, and is also connected with the third control unit; and the second bidirectional coupler also outputs positive and negative detection signals.
7. The microwave power capacity tester as claimed in claim 2, wherein the power detecting unit comprises a first single-pole four-throw switch and a first power meter connected in sequence, and a second single-pole four-throw switch and a second power meter connected in sequence; four moving ends of the first single-pole four-throw switch are respectively connected with four forward detection signals, and four moving ends of the second single-pole four-throw switch are respectively connected with four reverse detection signals.
8. The microwave power capacity tester of claim 1, wherein the power extension includes a fourth control unit, and the fourth control unit is used for controlling power supply of the corresponding circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922339462.7U CN210469337U (en) | 2019-12-23 | 2019-12-23 | Microwave power capacity tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922339462.7U CN210469337U (en) | 2019-12-23 | 2019-12-23 | Microwave power capacity tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210469337U true CN210469337U (en) | 2020-05-05 |
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ID=70436856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922339462.7U Active CN210469337U (en) | 2019-12-23 | 2019-12-23 | Microwave power capacity tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210469337U (en) |
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2019
- 2019-12-23 CN CN201922339462.7U patent/CN210469337U/en active Active
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