CN215010180U - 2MHz/60kW solid-state power source system - Google Patents
2MHz/60kW solid-state power source system Download PDFInfo
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- CN215010180U CN215010180U CN202121301657.3U CN202121301657U CN215010180U CN 215010180 U CN215010180 U CN 215010180U CN 202121301657 U CN202121301657 U CN 202121301657U CN 215010180 U CN215010180 U CN 215010180U
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Abstract
The utility model discloses a 2MHz/60kW solid-state power source system, the system includes leading power amplifier unit, 1:16 power distribution unit, 16 4.5kW final stage power amplifier units, 1:16 power synthesizer, output coupler, control protection system, control power, switching power pack and sampling detector; the front power amplifier unit, the 1:16 power distributor, the 16 4.5kW final power amplifier units, the 1:16 power synthesizer and the output coupler are connected in series to form a transmitting link; when an external radio frequency signal is fed in, the radio frequency signal is preliminarily amplified through the preposed power amplification unit, then distributed to the 3 4.5kW final power amplification units through the 1:16 power distributor to amplify the radio frequency signal to required power, and then directionally output through the output coupler through the 16:1 power synthesizer.
Description
Technical Field
The utility model belongs to the technical field of high-power source and specifically relates to a 2MHz/60kW solid state power source system.
Background
The solid-state power source system is one of the important components of the particle accelerator, and mainly provides radio frequency power for the particle accelerator. Therefore, while meeting the requirements and indexes of test tests, the particle accelerator can provide stable and reliable radio frequency power for the particle accelerator by the characteristics of safety, stability, reliability, long service life and convenience in maintenance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an efficient, high duty cycle, wide pulse width and performance reliability's 2MHz/60kW solid state power source system.
In order to realize the purpose, the following technical scheme is adopted: the system of the utility model comprises a preposed power amplifier unit, a 1:16 power distributor, 16 4.5kW final power amplifier units, a 1:16 power synthesizer, an output coupler, a control protection system, a monitoring power supply, a switching power supply set and a sampling detector; the control protection system is used for carrying out centralized monitoring management on the solid-state power source system, the switching power supply set is used for supplying power to the preposed power amplification unit, and the monitoring power supply is used for supplying power to the control protection system; when an external radio frequency signal is fed in, the radio frequency signal is preliminarily amplified through the preposed power amplification unit, then is distributed to 16 4.5kW final power amplification units through the 1:16 power distributor to amplify the radio frequency signal to required power, and then is output through the output directional coupler through the 16:1 power synthesizer.
Furthermore, the preposed power amplifier unit comprises an input protection unit, a Hall sensor, an output coupler, an output power detector, a monitoring unit, a temperature sensor, a voltage and current sampling plate and a state indication, so that the amplification of an input signal is realized, wherein the push-level module is a 1000W LDMOS power amplifier tube.
Further, the input 1:16 power divider is in a transformer form, and signal distribution of input signals is achieved.
Furthermore, each peak power in the 16 4.5kW final power amplification units is more than or equal to 4.5kW, and each 4.5kW final power amplification unit comprises a 1:3 power distributor, 3 1.5kW power amplification modules, 1:1 power synthesizer, an output coupler, a power supply system, a power detector, a Hall sensor, a temperature detector, a monitoring unit and a local index detector.
Further, the 1:16 power divider is composed of a 1:2 power divider and a 2-stage 1:8 power divider.
Furthermore, the output coupler is realized by adopting a coupling loop, the small signal test has 38.68dB directivity, and two detection signals are sent to the power sampling plate.
Further, the switching power supply group is composed of AC/DC, and system power supply is converted into voltage required by the composition unit and supplies power to each module.
Furthermore, the system is also provided with an air cooling device, and the air cooling device guides the heat dissipation capacity of the system out in a forced air cooling mode, so that the normal work of the system is ensured.
The utility model discloses roughly the use as follows:
when the solid-state power source works, a radio frequency excitation signal is input to the preposed power amplification unit, and the power is amplified to about 38.68dBm through the amplitude limiter of the preposed power amplification unit and is output from the output port. The radio frequency signals output by the preposed power amplification unit enter a 1:16 power distributor and then are output, then respectively enter 16 4.5kW final-stage power amplification units and then are output, and then the radio frequency signals pass through a 1:1 power synthesizer and then are output, and the radio frequency signals pass through an output coupler and output radio frequency signals with the power larger than 60 kW.
Compared with the prior art, the utility model has the advantages of as follows: the novel high-power tube technology and the high-power synthesis technology are adopted, the novel high-power tube technology and the high-power synthesis technology are all solid-state power amplifiers, the high efficiency and the high reliability of the whole machine are ensured by reasonably designing a power amplifier link and optimizing the power and gain distribution of the link, and the requirements on the size and the weight are met, so that the advancement of the power amplifier is ensured.
Drawings
FIG. 1 is a block diagram of the system components of the present invention;
FIG. 2 is a schematic block diagram of an input protection unit of the present invention;
fig. 3 is a schematic block diagram of the front power amplifier unit of the present invention;
fig. 4 is a schematic block diagram of the 4.5kW final stage power amplifier unit of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
As shown in fig. 1 to 4, the system of the present invention includes a front power amplifier unit, a 1:16 power divider, 16 4.5kW final power amplifier units, 1:16 power combiner, an output coupler, a control protection system, a monitoring power supply, a switching power supply set, and a sampling detector.
In some embodiments, the front-end power amplifier unit, the 1:16 power divider, the 16 final-stage power amplifier units of 4.5kW, the 1:16 power combiner, and the output coupler are connected in series to form a transmission link, the control protection system is configured to perform centralized monitoring management on the solid-state power source system, the switching power supply set is configured to supply power to the front-end power amplifier unit, and the monitoring power supply is configured to supply power to the control protection system.
In some embodiments, when an external radio frequency signal is fed in, the radio frequency signal is primarily amplified by the pre-power amplification unit, and after being distributed to the 4 4.5kW final-stage power amplification units by the 1:16 power distributor, the radio frequency signal is amplified to a required power, and then is output by the output directional coupler through the 16:1 power combiner.
The output coupler samples the power of the input signal and sends the sampled signal to the detector, and the detected level signal is sent to the monitoring unit controlled by the system for displaying and judging the input power state of the whole machine, and the overdriving input reports the alarm signal in time. The input filter is in a band-pass form and is used for suppressing the interference of harmonic waves and frequency division signals. The gain adjustment adopts a voltage-controlled attenuator to realize the adjustment function of the gain of the whole machine. The protection switching device implements the on and off functions of the input stimuli. The gain amplifier realizes small signal amplification, ensures that signals have higher signal amplitude in the transmission inside the cabinet, and avoids the interference of an external complex electromagnetic environment.
In some embodiments, the preamplifier unit includes an input protection unit, and the input protection unit is formed by sequentially connecting an input coupler, an attenuator, an input limiter, an output filter, a protection switch, a gain adjuster, and a gain amplifier in series, and is used for detecting, protecting, filtering out-of-band signals, protecting switching, and adjusting gain of input signals.
In some embodiments, the front-end power amplifier unit is composed of an input protection unit, a hall sensor, an output coupler, an output power detector, a monitoring unit, a temperature sensor, a voltage and current sampling board and a state indicator, and amplifies an input signal, wherein the push-stage module is a 1000W LDMOS power amplifier tube.
In some embodiments, the hall sensor may be configured to convert a changing magnetic field into a change in an output voltage, the temperature sensor may be configured to collect a temperature of the substrate, and the current sampler may be connected to the driving stage module and the power amplifier module, respectively.
In some embodiments, the input 1:16 power divider is in the form of a transformer structure, and realizes signal distribution of input signals. The input 1:4 distributor can bear 100W of power and has the characteristics of small insertion loss, high isolation and the like.
In some embodiments, each peak power of the 16 final power amplification units of 4.5kW is greater than or equal to 4.5kW, and each final power amplification unit of 4.5kW includes a 1:3 power divider, 4 power amplification modules of 1.5kW, a 1:1 power combiner, an output coupler, a power supply system, a power detector, a hall sensor, a temperature detector, a monitoring unit, and a local index detector.
In some embodiments, the 1:16 power splitter consists of a 1:2 power splitter and a 2-stage 1:8 power splitter.
In some embodiments, the output coupler is implemented by using a coupling loop, the small signal test has 38.68dB directivity, and two detection signals are sent to the power sampling plate.
In some embodiments, the switching power pack consists of AC/DC, converts the system supply to the voltage required by the constituent units and powers the modules.
In some embodiments, the system is further provided with an air cooling device, and the air cooling device guides heat dissipation capacity of the system out in a forced air cooling mode, so that normal operation of the system is guaranteed.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (9)
1. A 2MHz/60kW solid state power source system, characterized by: the system comprises a preposed power amplifier unit, a 1:16 power distributor, 16 4.5kW final power amplifier units, a 1:16 power synthesizer, an output coupler, a control protection system, a monitoring power supply, a switching power supply set and a sampling detector;
the control protection system is used for carrying out centralized monitoring management on the solid-state power source system, the switching power supply set is used for supplying power to the preposed power amplification unit, and the monitoring power supply is used for supplying power to the control protection system;
when an external radio frequency signal is fed in, the radio frequency signal is preliminarily amplified through the preposed power amplification unit, then is distributed to 16 4.5kW final power amplification units through the 1:16 power distributor to amplify the radio frequency signal to required power, and then is directionally output through the 16:1 power synthesizer and the output coupler.
2. A 2MHz/60kW solid state power source system according to claim 1, wherein: the preposed power amplifier unit comprises an input protection unit, wherein the input protection unit is formed by sequentially connecting an input coupler, an attenuator, an input amplitude limiter, an output filter, a protection switch, a gain adjuster and a gain amplifier in series and is used for detecting, protecting and filtering out-of-band signals of input signals, protecting switching and gain adjustment.
3. A 2MHz/60kW solid state power source system according to claim 1, wherein: the preposed power amplifier unit comprises an input protection unit, a Hall sensor, an output coupler, an output power detector, a monitoring unit, a temperature sensor, a voltage and current sampling plate and a state indicator, and realizes the amplification of an input signal, wherein the push-level module is a 1000W LDMOS power amplifier tube.
4. A 2MHz/60kW solid state power source system according to claim 1, wherein: the input 1:16 power divider adopts a transformer form to realize signal distribution of input signals.
5. A 2MHz/60kW solid state power source system according to claim 1, wherein: each peak power in the 16 4.5kW final power amplification units is more than or equal to 4.5kW, and each 4.5kW final power amplification unit comprises a 1:3 power distributor, 3 1.5kW power amplification modules, 1:3 power synthesizer, an output coupler, a power supply system, a power detector, a Hall sensor, a temperature detector, a monitoring unit and a local index detector.
6. A 2MHz/60kW solid state power source system according to claim 1, wherein: the 1:16 power divider consists of a 1:2 power divider and a 2-stage 1:8 power divider.
7. A 2MHz/60kW solid state power source system according to claim 1, wherein: the output coupler is realized by adopting a coupling ring, the small signal test has 38.68dB directivity, and two detection signals are sent to the power sampling plate.
8. A 2MHz/60kW solid state power source system according to claim 1, wherein: the switching power supply group consists of AC/DC, converts system power supply into voltage required by a composition unit and supplies power to each module.
9. A 2MHz/60kW solid state power source system according to claim 1, wherein: the system is also provided with an air cooling device, and the air cooling device guides the heat dissipation capacity of the system out in a forced air cooling mode, so that the normal work of the system is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121301657.3U CN215010180U (en) | 2021-06-11 | 2021-06-11 | 2MHz/60kW solid-state power source system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121301657.3U CN215010180U (en) | 2021-06-11 | 2021-06-11 | 2MHz/60kW solid-state power source system |
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| CN215010180U true CN215010180U (en) | 2021-12-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117833609A (en) * | 2024-01-05 | 2024-04-05 | 江苏神州半导体科技有限公司 | Pulse radio frequency power supply system |
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2021
- 2021-06-11 CN CN202121301657.3U patent/CN215010180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117833609A (en) * | 2024-01-05 | 2024-04-05 | 江苏神州半导体科技有限公司 | Pulse radio frequency power supply system |
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