CN206077814U - A kind of high-power neutral beam radio-frequency ion source matching box - Google Patents
A kind of high-power neutral beam radio-frequency ion source matching box Download PDFInfo
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- CN206077814U CN206077814U CN201621043318.9U CN201621043318U CN206077814U CN 206077814 U CN206077814 U CN 206077814U CN 201621043318 U CN201621043318 U CN 201621043318U CN 206077814 U CN206077814 U CN 206077814U
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- radio
- frequency
- ion source
- current sensor
- neutral beam
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Abstract
The utility model discloses a kind of high-power neutral beam radio-frequency ion source matching box, the input port of radio-frequency power supply is connected with shunt capacitance through described input current sensor by connecting copper bar, the two ends of shunt capacitance connect the two ends with the former limit of radio frequency isolation transformator respectively, secondary one end output connection series capacitance of radio frequency isolation transformator, the other end are connected on the coil of radio-frequency ion source by exporting insulator again through described output end current sensor together with the other end of series capacitance.This utility model is by effective structure design and rational deployment, suitable impedance matching is provided for the electric discharge of high-power neutral beam radio-frequency ion source plasma stability, and pass through radio frequency isolation transformator and insulating supporting design, the ion source of high-voltage will be suspended in be isolated with the radio-frequency power supply of ground potential when ion beam is drawn, it is ensured that the normal operation of neutral beam radio-frequency ion source.
Description
Technical field
This utility model is related to high-power RF technology of ion source field, more particularly to a kind of high-power neutral cluster radio frequency from
Component matching box.
Background technology
With the development of controllable nuclear fusion, the requirement of the neutral beam injection device driven to required heating and electric current is more next
Higher, high-energy, high power and long pulse are the development trends of following neutrality bundle device.As radio-frequency ion source has structure letter
Single, power supply cost is low, it is substantially non-maintaining the advantages of, particularly radio-frequency ion source plasma discharge is stable and without working
Time restriction, most possibly realizes steady-state operation, therefore, radio-frequency ion source is the first-selection of following neutrality bundle device.Radio frequency from
In component, can radio-frequency power place one's entire reliance upon in being coupled to plasma well the appropriate design of impedance matching, impedance
With the main performance for determining radio-frequency ion source.
Utility model content
This utility model purpose is exactly for the defect for making up prior art, there is provided a kind of high-power neutral beam radio frequency-ion
Source matching box.
This utility model is achieved through the following technical solutions：
A kind of high-power neutral beam radio-frequency ion source matching box, includes the input port of radio-frequency power supply, connecting copper bar, parallel connection
Electric capacity, radio frequency isolation transformator, series capacitance, output insulator, input current sensor and output end current sensor, institute
The input port of the radio-frequency power supply stated is connected with shunt capacitance through described input current sensor by connecting copper bar, in parallel
The two ends of electric capacity connect the two ends with the former limit of radio frequency isolation transformator respectively, and secondary one end output of radio frequency isolation transformator connects
Series capacitance is connect, the other end is exhausted by output again through described output end current sensor together with the other end of series capacitance
Edge is connected on the coil of radio-frequency ion source.
Described series capacitance is cascaded by copper bar by a fixed capacity and a tunable capacitor, described
Shunt capacitance be connected in parallel by copper bar by a fixed capacity and a tunable capacitor.
Insulation adjusting rod is respectively equipped with the tunable capacitor of series capacitance and shunt capacitance, in the end of insulation adjusting rod
Knob is provided with, by the rotating insulated adjusting rod of knob, so as to adjust the capacitance of tunable capacitor.
Described series capacitance, shunt capacitance and radio frequency isolation transformator are installed on insulating support member.
Described input current sensor and output end current sensor are installed in support.
Described insulating support member and support are installed on the underframe of aluminium alloy extrusions, and aluminium alloy is provided with underframe
Section material framework, described connecting copper bar, shunt capacitance, radio frequency isolation transformator, series capacitance, insulation adjusting rod, input electricity
Flow sensor and output end current sensor are respectively positioned on the inside of framework, are provided with six pieces of panels, for radio frequency screen on framework
Cover, the input port of described radio-frequency power supply is located on the top panel of framework, export insulator and knob is respectively positioned on the side of framework
On faceplate panels.
The utility model has the advantages that：（1）, this utility model by effective structure design and rational deployment, be big work(
The electric discharge of rate neutral beam radio-frequency ion source plasma stability there is provided suitable impedance matching, and by radio frequency isolation transformator and
Insulating supporting design, by the radio-frequency power supply of ion source and ground potential that high-voltage is suspended in when ion beam is drawn carried out every
From, it is ensured that the normal operation of neutral beam radio-frequency ion source；
（2）, this utility model taken into full account impact of the distributed constant to impedance matching, and set by hermetic seal
Meter, it is to avoid radio-frequency radiation.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
As shown in figure 1, a kind of high-power neutral beam radio-frequency ion source matching box, includes the input port 1 of radio-frequency power supply, connects
Connect copper bar 2, shunt capacitance 3, radio frequency isolation transformator 4, series capacitance 5, output insulator 8, input current sensor and defeated
Go out and hold current sensor, the input port 1 of described radio-frequency power supply passes through described input current sensor by connecting copper bar 2
It is connected with shunt capacitance 3, the two ends of shunt capacitance 3 connect the two ends with the former limit of radio frequency isolation transformator 4, radio frequency isolation respectively
Secondary one end output connection series capacitance 5 of transformator 4, the other end is together with the other end of series capacitance 5 through described defeated
Go out to hold current sensor to be connected on the coil of radio-frequency ion source by exporting insulator 8 again.
Described series capacitance 5 is cascaded by copper bar by a fixed capacity and a tunable capacitor, institute
The shunt capacitance 3 stated is connected in parallel by copper bar by a fixed capacity and a tunable capacitor.
Insulation adjusting rod 10 is respectively equipped with the tunable capacitor of series capacitance 5 and shunt capacitance 3, in insulation adjusting rod 10
End be provided with knob 7, by 7 rotating insulated adjusting rod 10 of knob, so as to adjust the capacitance of tunable capacitor.
Described series capacitance 5, shunt capacitance 3 and radio frequency isolation transformator 4 are installed on insulating support member 6.
Described input current sensor and output end current sensor are installed in support 9.
Described insulating support member 6 and support 9 are installed on the underframe 11 of aluminium alloy extrusions, are provided with underframe 11
Aluminium alloy extrusions framework 12, described connecting copper bar 2, shunt capacitance 3, radio frequency isolation transformator 4, series capacitance 5, insulation are adjusted
Bar 10, input current sensor and output end current sensor are respectively positioned on the inside of framework 12, on framework 12 are provided with six
Block panel 13, for radio shielding, the input port 1 of described radio-frequency power supply is located on the top panel of framework 12, output insulation
Son 8 and knob 7 are respectively positioned in the side panel 13 of framework 12.
Claims (6)
1. a kind of high-power neutral beam radio-frequency ion source matching box, it is characterised in that：Include input port, the connection of radio-frequency power supply
Copper bar, shunt capacitance, radio frequency isolation transformator, series capacitance, output insulator, input current sensor and output end current
Sensor, the input port of described radio-frequency power supply pass through described input current sensor and shunt capacitance by connecting copper bar
Connection, the two ends of shunt capacitance connect the two ends with the former limit of radio frequency isolation transformator, the secondary of radio frequency isolation transformator respectively
One end output connection series capacitance, the other end pass through described output end current sensor again together with the other end of series capacitance
It is connected on the coil of radio-frequency ion source by exporting insulator.
2. a kind of high-power neutral beam radio-frequency ion source matching box according to claim 1, it is characterised in that：Described string
Connection electric capacity is cascaded by copper bar by a fixed capacity and a tunable capacitor, and described shunt capacitance is by one
What individual fixed capacity and tunable capacitor were connected in parallel by copper bar.
3. a kind of high-power neutral beam radio-frequency ion source matching box according to claim 2, it is characterised in that：In series electrical
Hold and insulation adjusting rod is respectively equipped with the tunable capacitor with shunt capacitance, be provided with knob in the end of insulation adjusting rod, by rotation
The rotating insulated adjusting rod of button, so as to adjust the capacitance of tunable capacitor.
4. a kind of high-power neutral beam radio-frequency ion source matching box according to claim 3, it is characterised in that：Described string
Connection electric capacity, shunt capacitance and radio frequency isolation transformator are installed on insulating support member.
5. a kind of high-power neutral beam radio-frequency ion source matching box according to claim 4, it is characterised in that：Described is defeated
Enter to hold current sensor and output end current sensor to be installed in support.
6. a kind of high-power neutral beam radio-frequency ion source matching box according to claim 5, it is characterised in that：Described is exhausted
Edge support member and support are installed on the underframe of aluminium alloy extrusions, and aluminium alloy extrusions framework is provided with underframe, described
Connecting copper bar, shunt capacitance, radio frequency isolation transformator, series capacitance, insulation adjusting rod, input current sensor and outfan
Current sensor is respectively positioned on the inside of framework, and six pieces of panels are provided with framework, and the input port of described radio-frequency power supply is located at
On the top panel of framework, output insulator and knob are respectively positioned on frame facet panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621043318.9U CN206077814U (en) | 2016-09-07 | 2016-09-07 | A kind of high-power neutral beam radio-frequency ion source matching box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621043318.9U CN206077814U (en) | 2016-09-07 | 2016-09-07 | A kind of high-power neutral beam radio-frequency ion source matching box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206077814U true CN206077814U (en) | 2017-04-05 |
Family
ID=58437242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621043318.9U Active CN206077814U (en) | 2016-09-07 | 2016-09-07 | A kind of high-power neutral beam radio-frequency ion source matching box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206077814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112532198A (en) * | 2020-12-03 | 2021-03-19 | 南华大学 | Radio frequency ion source impedance matching method and device |
-
2016
- 2016-09-07 CN CN201621043318.9U patent/CN206077814U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112532198A (en) * | 2020-12-03 | 2021-03-19 | 南华大学 | Radio frequency ion source impedance matching method and device |
| CN112532198B (en) * | 2020-12-03 | 2023-06-27 | 南华大学 | Radio frequency ion source impedance matching method and device |
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