CN206442574U - A kind of grid for electron accelerator extraction window - Google Patents
A kind of grid for electron accelerator extraction window Download PDFInfo
- Publication number
- CN206442574U CN206442574U CN201621263784.8U CN201621263784U CN206442574U CN 206442574 U CN206442574 U CN 206442574U CN 201621263784 U CN201621263784 U CN 201621263784U CN 206442574 U CN206442574 U CN 206442574U
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- China
- Prior art keywords
- grid
- electron accelerator
- extraction window
- base
- flase floor
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Abstract
The utility model provides a kind of grid for electron accelerator extraction window, and the program includes base；Integrally formed with flase floor on the base；Circulation waterway is provided with base；The both sides of base one end are provided with cooling nozzle；Cooling nozzle is connected with circulation waterway.The program is used sets circulation waterway, in the middle part of grid and end is provided with reinforcement inside grid, the cooling effectiveness of grid can be effectively improved, while grid can be increased, makes grid in cleaning, it is difficult in transport, installation process because being caused grid tooth to deform by external force.
Description
Technical field
The utility model relates to electron accelerator field, especially a kind of lattice for electron accelerator extraction window
Grid.
Background technology
It is general that electron accelerator electric wire extraction mouth structure is referred to as extraction window, fenestrated membrane is housed on extraction window, for close
The inner vacuum of electron accelerator is sealed, is lost to reduce electron beam, the thickness very little of fenestrated membrane, usually micron order thickness.Draw
Exit window（Fenestrated membrane）Inside is ultrahigh vacuum, fenestrated membrane air side（It is outside）An atmospheric pressure is born, in thin titanium film and large span feelings
Under condition, in order to ensure that fenestrated membrane will not be damaged under immense pressure, typically in extraction window（Fenestrated membrane）Inside increase grill support fenestrated membrane,
Fenestrated membrane is cooled down simultaneously.In order to prevent influence of the grid to electric wire ejection efficiency, generally grid tooth very thin thickness, milli
Rice magnitude.
There is Railway Project in real work：
1st, general grid grid tooth in cleaning, installation process easily deforms.
2nd, electron accelerator is in high-power operation work for a long time, because temperature is too high and external pressure reason, two ends
Grid tooth easily deform, so as to influence electric wire irradiation behaviour and fenestrated membrane use time.
3rd, grid cooling effect is not good, it is impossible to which taking away fenestrated membrane amount of heat causes electron accelerator to work long hours.
Utility model content
The purpose of this utility model, aiming at the deficiency present in prior art, and provides a kind of electronics that is used for and accelerates
The technical scheme of the grid of device extraction window, the program is used sets circulation waterway, in the middle part of grid tooth and end inside grid
Reinforcement is provided with, the cooling effect of grid can be effectively improved, while the mechanical strength of grid tooth can be increased, grid is existed
It is difficult in cleaning, transport, installation process because being caused grid tooth to deform by external force.
This programme is achieved by the following technical measures：
A kind of grid for electron accelerator extraction window, includes base；Integrally formed with flase floor on base；Base
Inside it is provided with circulation waterway；The both sides of base one end are provided with cooling nozzle；Cooling nozzle is connected with circulation waterway.
It is used as the preferred of this programme：Reinforcement is provided with the middle part of flase floor.
It is used as the preferred of this programme：The both sides of flase floor are provided with reinforcement.
It is used as the preferred of this programme：Flase floor is provided at both ends with reinforcement.
It is used as the preferred of this programme：Grid tooth is provided with flase floor；The width of each grid tooth is 0.5-
3mm, highly it is that 10-40mm, between cog spacing are 1-15mm；The dutycycle of the grid tooth is 60%-90%, and section is trapezoidal.
It is used as the preferred of this programme：Circulation waterway is shaped as U-shaped.
The beneficial effect of this programme can be learnt according to the narration to such scheme, because grid inside is set in this scenario
U-shaped circulation waterway, can keep grid temperature to be near the temperature of cooling water, while water cooling grid has high thermal conductivity,
There is thermolysis to titanium film so that fenestrated membrane actual temperature will be lower, and reliability is higher, improve cooling effectiveness, make the use of fenestrated membrane
Life；Reinforcement is set in the middle part of grid, the intensity of grid tooth is added, makes grid in cleaning, transports, in installation process
It is difficult because being caused grid tooth to deform by external force；Set at grid two ends and strengthen warp, by increasing capacitance it is possible to increase heat dissipation area, added simultaneously
The intensity of two ends grid tooth, even if grid two ends heat is more than other positions, also will not cause grid tooth to deform upon.
As can be seen here, the utility model compared with prior art, with substantive distinguishing features and progress, its beneficial effect implemented
Fruit is also obvious.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure, 1 is base, and 2 be flase floor, and 3 be cooling nozzle, and 4 be circulation waterway, and 5 be grid, and 6 be fixing hole.
Embodiment
For the technical characterstic for illustrating this programme can be understood, below by an embodiment, and its accompanying drawing is combined, it is right
This programme is illustrated.
By accompanying drawing as can be seen that this programme includes base；Integrally formed with flase floor on base；It is provided with base
Circulation waterway；The both sides of base one end are provided with cooling nozzle；Cooling nozzle is connected with circulation waterway.The middle part of flase floor is set
There is reinforcement.The both sides of flase floor are provided with reinforcement.Flase floor is provided at both ends with reinforcement.The corner of flase floor is provided with
Fixing hole；The flase floor is fixed on base by screw or rivet.Grid tooth is provided with flase floor；Each described grid
The width of lattice tooth is 0.5-3mm, be highly 10-40mm, between cog spacing is 1-15mm；The dutycycle of the grid tooth is 60%-
90%, section is trapezoidal.Circulation waterway is shaped as U-shaped.
This programme can keep grid end region temperature to be in low temperature, simultaneously using U-shaped circulation waterway is set inside grid
Water cooling grid has thermolysis, and fenestrated membrane actual temperature will be lower, and reliability is higher, improves cooling effectiveness, makes the use of fenestrated membrane
Life；Reinforcement is set in the middle part of grid, the intensity of grid tooth is added, makes grid in cleaning, transports, in installation process
It is difficult because being caused grid tooth to deform by external force；Set at grid two ends and strengthen warp, by increasing capacitance it is possible to increase heat dissipation area, added simultaneously
The intensity of two ends grid tooth, even if grid two ends heat is more than other positions, also will not cause grid tooth to deform upon.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of grid for electron accelerator extraction window, it is characterized in that：Include base；On the base integrally formed with
Flase floor；Circulation waterway is provided with the base；The both sides of described base one end are provided with cooling nozzle；The cooling nozzle
Connected with circulation waterway.
2. a kind of grid for electron accelerator extraction window according to claim 1, it is characterized in that：The flase floor
Middle part is provided with reinforcement.
3. a kind of grid for electron accelerator extraction window according to claim 1, it is characterized in that：The flase floor
Both sides are provided with reinforcement.
4. a kind of grid for electron accelerator extraction window according to claim 1, it is characterized in that：The flase floor
It is provided at both ends with reinforcement.
5. a kind of grid for electron accelerator extraction window according to claim 1, it is characterized in that：On the flase floor
It is provided with grid tooth；The width of each grid tooth is 0.5-3mm, be highly 10-40mm, between cog spacing is 5-15mm；
The dutycycle of the grid tooth is 60%-90%, and section is trapezoidal.
6. a kind of grid for electron accelerator extraction window according to claim 1, it is characterized in that：The circulation waterway
It is shaped as U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621263784.8U CN206442574U (en) | 2016-11-24 | 2016-11-24 | A kind of grid for electron accelerator extraction window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621263784.8U CN206442574U (en) | 2016-11-24 | 2016-11-24 | A kind of grid for electron accelerator extraction window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206442574U true CN206442574U (en) | 2017-08-25 |
Family
ID=59645622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621263784.8U Active CN206442574U (en) | 2016-11-24 | 2016-11-24 | A kind of grid for electron accelerator extraction window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206442574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899263A (en) * | 2019-04-22 | 2019-06-18 | 南华大学 | Annular ion thruster grid assembly |
-
2016
- 2016-11-24 CN CN201621263784.8U patent/CN206442574U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899263A (en) * | 2019-04-22 | 2019-06-18 | 南华大学 | Annular ion thruster grid assembly |
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