CN202094080U - Ion source - Google Patents
Ion source Download PDFInfo
- Publication number
- CN202094080U CN202094080U CN2011202210330U CN201120221033U CN202094080U CN 202094080 U CN202094080 U CN 202094080U CN 2011202210330 U CN2011202210330 U CN 2011202210330U CN 201120221033 U CN201120221033 U CN 201120221033U CN 202094080 U CN202094080 U CN 202094080U
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- China
- Prior art keywords
- ion
- ion source
- voltage
- discharge body
- positive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000605 extraction Methods 0.000 claims description 27
- 238000007599 discharging Methods 0.000 claims description 10
- 239000012212 insulator Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 abstract 10
- 239000007789 gas Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- KRQUFUKTQHISJB-YYADALCUSA-N 2-[(E)-N-[2-(4-chlorophenoxy)propoxy]-C-propylcarbonimidoyl]-3-hydroxy-5-(thian-3-yl)cyclohex-2-en-1-one Chemical compound CCC\C(=N/OCC(C)OC1=CC=C(Cl)C=C1)C1=C(O)CC(CC1=O)C1CCCSC1 KRQUFUKTQHISJB-YYADALCUSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000009791 electrochemical migration reaction Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001871 ion mobility spectroscopy Methods 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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- Electron Sources, Ion Sources (AREA)
Abstract
The present utility model discloses an ion source which comprises a power supply, a discharge body capable of generating ions, and an ion leading-out electrode. The high-voltage end of the discharge body is connected with the power supply, and the low-voltage end is connected with the ground through a current-limiting resistor R1. One end of the ion leading-out electrode is connected with the high-voltage end of the discharge body through a voltage-dividing resistor R3, and the other end is connected with the ground through a voltage-dividing resistor R2. In the ion source, by adding the ion leading-out electrode, and the leading-out voltage between the ion leading-out electrode and the discharge body, ions produced by the ion source can be effectively led out, and the discharge stability of the ion source will not be influenced.
Description
Technical field
The utility model relates to the technology of ion source field, relates in particular to a kind of glow discharge formula ion source.
Background technology
One of technology of most critical is exactly an ion source in the ionic migration spectrometer, ionogenic effect is to be used for producing ion, and the intensity of ion flow is by the decision of the lead-out mode of ion, and therefore, what technology of ion source comprised effective generation of ion and ion effectively draws two major parts.
Effective generation for ion, the Chinese patent Granted publication number is CN101452806 B, denomination of invention is in a kind of ionization source and the application in mass spectrum or ion mobility spectrometry thereof, a kind of ion source has been described, it comprises DC power supply, carrier gas, positive and negative sparking electrode and current-limiting resistance, wherein, current-limiting resistance and positive and negative sparking electrode are connected with DC power supply and positive and negative sparking electrode by lead, form a series connection circuit.As seen, described positive and negative sparking electrode has been formed a discharge body that produces ion by glow discharge.
For effectively drawing of ion, description is arranged seldom then in the prior art.
The utility model content
For this reason, technical problem to be solved in the utility model is: a kind of ion source is provided, and the ion that makes this ion source produce can effectively be drawn, and does not influence the stability of ion source discharge simultaneously again.
So, the utility model provides a kind of ion source, this ion source comprises: power supply, the discharge body that can produce ion and ion extraction electrode, the high-pressure side of discharge body connects power supply, low-pressure end is by current-limiting resistance R1 ground connection, one end of ion extraction electrode connects the high-pressure side of described discharge body by divider resistance R3, and the other end is by divider resistance R2 ground connection.
Wherein, described ion extraction electrode is becket, metal cylinder or wire netting.
Voltage between described discharge body and the ion extraction electrode is extraction voltage, this extraction voltage
, wherein,
Be described power source voltage,
Be described discharge body resistance.
The span of stating resistance R 1 is 500K Ω to 30M Ω.
Described discharge body comprises positive and negative sparking electrode.
Described positive and negative sparking electrode is two pin shaped electric discharging electrodes that the position is relative.
Described discharge body also comprises: positive and negative electrode body and the chamber shape insulator that is used for security protection, described pin shaped electric discharging electrodes is arranged on the positive and negative electrode body, and extend in the insulator, offers the discharge gas hand-hole on the insulator.
Described discharge gas hand-hole is circle shape or seam shape.
Pin shaped electric discharging electrodes on the described positive and negative electrode body, the spacing between two electrodes are 1mm to 10mm.
Described power supply is a high voltage source, and its voltage range is 3KV to 30KV.
Ion source described in the utility model, by increasing the extraction voltage between ion extraction electrode and ion extraction electrode and the discharge body, the ion that makes this ion source produce can effectively be drawn, and does not influence the stability of ion source discharge simultaneously again.
Description of drawings
Fig. 1 is the described ion source circuit diagram of present embodiment;
Fig. 2 is the structural representation of discharge body A shown in Figure 1;
Fig. 3 is a pin shaped electric discharging electrodes A3 structural representation among the discharge body A shown in Figure 2;
Fig. 4 is the glow discharge schematic diagram.
Embodiment
Below, in conjunction with the accompanying drawings the utility model is described in detail.
As shown in Figure 1, present embodiment provides a kind of ion source, and this ion source comprises: power supply H.V, the discharge body A that can produce ion and ion extraction electrode B.The high-pressure side of discharge body A connects power supply, and low-pressure end is by current-limiting resistance R1 ground connection, and the end of ion extraction electrode B is by the high-pressure side of divider resistance R3 connection discharge body A, and the other end is by divider resistance R2 ground connection.
Wherein, resistance R 2 can be an adjustable resistance.The span of resistance R 1 is between 500K Ω to the 30M Ω.
Power supply H.V is high voltage source, and it both can be a positive supply, also can be negative supply, its high tension voltage usually
Between 3KV to 30KV.
Discharge body A can comprise pin-face, pin-tube, rod-tube, face-face, the positive and negative sparking electrode of pin-pin type.Present embodiment adopts the positive and negative sparking electrode of pin-pin type, promptly the sparking electrode position of two needle-likes is relative, as shown in Figure 2, discharge body A also comprises: positive and negative electrode body A1 and the chamber shape insulator A2 that is used for security protection, described pin shaped electric discharging electrodes A3 is arranged on the positive and negative electrode body A1, and extend in the insulator A2, offers discharge gas hand-hole A29 on the insulator A2, discharge gas hand-hole A29 can be the circle shape, also can be the seam shape.As shown in Figure 3, generally between 1mm to 10mm, its needle handle diameter d is 2mm to the spacing between two pin shaped electric discharging electrodes A3 in the present embodiment, and angle α is 30 ° in the needle point.The material of pin shaped electric discharging electrodes A3 is refractory metal, for example tungsten.
Ion extraction electrode B is becket, metal cylinder or wire netting.
In conjunction with Fig. 1 and shown in Figure 4, describe the described ion source ion of present embodiment below in detail and draw principle:
High tension voltage at power supply H.V
Effect can produce gas breakdown among the discharge body A, and under the effect of current-limiting resistance R1, discharge body A is able to continuous discharge, and maintains the aura district down, and this aura district is meant whole region of discharge.
When discharge body A produced gas breakdown, its inside existed negative glow district, Aston dark space, this dark space of Kroc, negative glow, Faraday dark space, positive column, anode dark space and anode brightness district.Wherein, the positive column is exactly our usually said plasma slab, the ion in this district be difficult to derivative, have only the ion of dark space to be drawn, especially this dark space of Aston dark space and Kroc, most pressure drop is added in this district, and therefore ion wherein can be easier to be drawn.This be because, electronics is here quickened, and obtains primary power, electronics makes the atom of dark space or molecule be able to ionization and form ion, we are by the electrical potential difference between discharge body A and the ion extraction electrode B
Can realize drawing to the dark space part ion.
Discharge body A place voltage
For:
Ion extraction electrode B place voltage
For:
So the voltage between discharge body A and the ion extraction electrode B is extraction voltage, this extraction voltage
, wherein,
Be described power source voltage,
Be described discharge body resistance.
So the part in the ion in the above-mentioned dark space is just at extraction voltage
Effect under leave the dark space and form and draw ion flow.
Usually it is believed that, use the discharge body of pin-pin type sparking electrode to be easier to produce arc discharge, thereby discharge brings instability to discharge body.And the described ion source of present embodiment, its structure has overcome this defective.Experiment showed, that when the dark space ion was effectively drawn, the plasma of positive column still was stable, when promptly ion was effectively drawn, the discharge body discharge was not affected.
In sum, the described ion source of present embodiment, by increasing the extraction voltage between ion extraction electrode and ion extraction electrode and the discharge body, the ion that makes this ion source produce can effectively be drawn, and does not influence the stability of ion source discharge simultaneously again.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. ion source, it is characterized in that, comprise power supply, the discharge body that can produce ion and ion extraction electrode, the high-pressure side of discharge body connects power supply, low-pressure end is by current-limiting resistance R1 ground connection, one end of ion extraction electrode connects the high-pressure side of described discharge body by divider resistance R3, and the other end is by divider resistance R2 ground connection.
2. ion source according to claim 1 is characterized in that, described ion extraction electrode is becket, metal cylinder or wire netting.
3. ion source according to claim 1 is characterized in that, the voltage between described discharge body and the ion extraction electrode is extraction voltage, this extraction voltage
, wherein,
Be described power source voltage,
Be described discharge body resistance.
4. according to any described ion source of claim 1 to 3, it is characterized in that the span of described resistance R 1 is 500K Ω to 30M Ω.
5. ion source according to claim 1 is characterized in that described discharge body comprises positive and negative sparking electrode.
6. ion source according to claim 5 is characterized in that, described positive and negative sparking electrode is two pin shaped electric discharging electrodes that the position is relative.
7. ion source according to claim 6, it is characterized in that described discharge body also comprises: positive and negative electrode body and the chamber shape insulator that is used for security protection, described pin shaped electric discharging electrodes is arranged on the positive and negative electrode body, and extend in the insulator, offer the discharge gas hand-hole on the insulator.
8. ion source according to claim 7 is characterized in that, described discharge gas hand-hole is circle shape or seam shape.
9. ion source according to claim 6 is characterized in that, the pin shaped electric discharging electrodes on the described positive and negative electrode body, and the spacing between two electrodes is 1mm to 10mm.
10. ion source according to claim 1 is characterized in that, described power supply is a high voltage source, and its voltage range is 3KV to 30KV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202210330U CN202094080U (en) | 2011-06-27 | 2011-06-27 | Ion source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202210330U CN202094080U (en) | 2011-06-27 | 2011-06-27 | Ion source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202094080U true CN202094080U (en) | 2011-12-28 |
Family
ID=45369129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202210330U Expired - Lifetime CN202094080U (en) | 2011-06-27 | 2011-06-27 | Ion source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202094080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263005A (en) * | 2011-06-27 | 2011-11-30 | 武汉矽感科技有限公司 | Ion source |
-
2011
- 2011-06-27 CN CN2011202210330U patent/CN202094080U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263005A (en) * | 2011-06-27 | 2011-11-30 | 武汉矽感科技有限公司 | Ion source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI SYSCAN INFORMATION TECHNOLOGY (GROUP) CO. Effective date: 20140926 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140926 Address after: 430000, No. 4, Wu Nan Road, Taiwan business investment zone, Dongxihu District, Hubei, Wuhan Patentee after: Wuhan Xigan Sci. & Tech. Co., Ltd. Patentee after: Shanghai Xigan information technology (Group) Co. Ltd. Address before: 430000, No. 4, Wu Nan Road, Taiwan business investment zone, Dongxihu District, Hubei, Wuhan Patentee before: Wuhan Xigan Sci. & Tech. Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI SYSCAN INFORMATION TECHNOLOGY (GROUP) CO. Free format text: FORMER OWNER: WUHAN XIGAN SCI. + TECH. CO., LTD. Effective date: 20150323 Owner name: WUHAN SYSCAN DIGITAL CO., LTD. Free format text: FORMER OWNER: SHANGHAI SYSCAN INFORMATION TECHNOLOGY (GROUP) CO., LTD. Effective date: 20150323 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430000 WUHAN, HUBEI PROVINCE TO: 201203 PUDONG NEW AREA, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150323 Address after: 201203, Shanghai Zhangjiang hi tech park, 501 East Road, 7 floor, room 3000 Patentee after: Shanghai Xigan information technology (Group) Co. Ltd. Patentee after: Wuhan Syscan Digital Co., Ltd. Address before: 430000, No. 4, Wu Nan Road, Taiwan business investment zone, Dongxihu District, Hubei, Wuhan Patentee before: Wuhan Xigan Sci. & Tech. Co., Ltd. Patentee before: Shanghai Xigan information technology (Group) Co. Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151127 Address after: 430000, No. 31, Wuhuan Avenue, Dongxihu District, Hubei, Wuhan Patentee after: Wuhan Xigan Sci. & Tech. Co., Ltd. Address before: 201203, Shanghai Zhangjiang hi tech park, 501 East Road, 7 floor, room 3000 Patentee before: Shanghai Xigan information technology (Group) Co. Ltd. Patentee before: Wuhan Syscan Digital Co., Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20190725 Address after: 518000 Tairan Science Park 213 Building 3BV6-2, Tairan 4 Road, Tian'an Community, Shatou Street, Futian District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Securities Spectrum Intelligent Technology Co., Ltd. Address before: 430000, No. 31, Wuhuan Avenue, Dongxihu District, Hubei, Wuhan Patentee before: Wuhan Xigan Sci. & Tech. Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111228 |