CN2606447Y - Composite focus lens electron gun - Google Patents
Composite focus lens electron gun Download PDFInfo
- Publication number
- CN2606447Y CN2606447Y CN 03218608 CN03218608U CN2606447Y CN 2606447 Y CN2606447 Y CN 2606447Y CN 03218608 CN03218608 CN 03218608 CN 03218608 U CN03218608 U CN 03218608U CN 2606447 Y CN2606447 Y CN 2606447Y
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- China
- Prior art keywords
- electrode
- electron gun
- length
- voltage
- main lens
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Abstract
The utility model relates a cmposite focus lens electron gun which comprises a support glass bar, a G 6 electrode, a G 5 electrode, a G 4 electrode, a G 3 electrode, a G 2 electrode and a G 1 electrode and a cathode and button stem are arranged on the support glass bar in turn, wherein, the G 6 electrode is connected with a convergence cap; the G 2 electrode together with the G 3 electrode forms a refocus lens; the G 3 electrode together with the G 4 electrode and the G 5 electrode constitutes an attachment lens; the G 5 electrode and the G 6 electrode constitutes a main lens; wherein, the length of the G 3 electrode is fifty percent to one hundred thirty percent of the diameter of the main lens, the length of the G 4 electrode is between ten percent and fifty percent of the diameter of the main lens, the length of the G 5 electrode is between one point eight times and three times of the diameter of the main lens; the anode voltage is applied on the G 6 electrode; convergence voltage is applied on the G 2 electrode and the G 3 electrode respectively; acceleration voltage is applied on the G 3 electrode and the G 5 electrode; the working voltage applied on the anode is between twenty three thousand volts and twenty five thousand volts; the convergence voltage is between twenty six percent and thirty five percent of the anode voltage; the utility model has a simple structure, convergence high voltage and wide range of use.
Description
One, technical field
The utility model relates to tricolour picture tube combined type condenser lens electron gun, particularly is suitable for the CPT electron gun.
Two, background technology
The two complex focusing lens electron guns of existing list, its focus voltage that uses are only in 26%～30% scope as anode voltage.Want focus voltage is brought up to using more than 30% of anode voltage, there are many defectives in prior art and can not use.
Three, summary of the invention
The purpose of this utility model provides the focus voltage scope of two combined types focusing of a kind of list and condenser lens electron gun; Be suitable for the combined type condenser lens electron gun of user's different needs.
The technical scheme that realizes goal of the invention is to solve like this: comprise glass frosted pillar, by the fixing successively G6 electrode of glass frosted pillar, the G5 electrode, the G4 electrode, the G3 electrode, the G2 electrode, G1 electrode and negative electrode, heated filament and stem stem, the G6 electrode is connected with convergence cap, it changes between G2 electrode and the G3 electrode and constitutes prefocus lens, the G3 electrode, the G4 electrode, the G5 electrode constitutes attachment lens, G5 electrode and G6 electrode constitute main lens, the length of G3 electrode is the 50%-130% of main lens diameter, the length of G4 electrode is 10%～50% of main lens diameter, the length of G5 electrode is 180%～300% of main lens diameter, anode voltage is added on the G6 electrode, focus voltage is added in respectively on G2 electrode and the G3 electrode, accelerating voltage is added on G3 electrode and the G5 electrode, its anode working voltage is 23KV～25KV, and focus voltage is 26%～35% of an anode voltage.
The utility model compared with prior art, because to the focusing system in the electron gun, focus electrode structure has been done improvement, the focus voltage scope is improved, thereby reach electron-baem spot and improve 10%, good luminous point pattern and smaller electron-beam point diameter have been obtained, in having satisfied, the color television set diagonal screen dimension of the small screen is used in 37cm～51cm, also satisfied the requirement of part television set producer movement high focusing voltage, the utlity model has rational in infrastructure, focus voltage height, the characteristics that accommodation is wide, be present reasonable CPT electron gun, better economic and social benefit are arranged.
Four, description of drawings
Fig. 1 is the utility model structural principle schematic diagram.
Five, embodiment
Accompanying drawing is a specific embodiment of the utility model
Below in conjunction with accompanying drawing content of the present utility model is described further
Embodiment 1
Referring to shown in Figure 1, combined type condenser lens electron gun, comprise glass frosted pillar 1, by the fixing successively G6 electrode 2 of glass frosted pillar 1, G5 electrode 3, G4 electrode 4, G3 electrode 5, G2 electrode 6, G1 electrode 7 and negative electrode 8, heated filament 9 and stem stem 10, G6 electrode 2 is connected with convergence cap 11, glass rod is provided with and suppresses ring 12, it is characterized in that constituting prefocus lens between G2 electrode 6 and the G3 electrode 5, G3 electrode 5, G4 electrode 4, G5 electrode 3 constitutes attachment lens, G5 electrode 3 constitutes main lens with G6 electrode 2, the length of G3 electrode 5 is the 50%-130% of main lens diameter, the length of G4 electrode 4 is 10%～50% of main lens diameter, the length of G5 electrode 3 is 180%～300% of main lens diameter, anode voltage is added on the G6 electrode, and focus voltage EC3 is added in respectively on G2 electrode and the G3 electrode, and accelerating voltage EC2 is added on G3 electrode and the G5 electrode, its anode working voltage is 23KV～25KV, and focus voltage is 26%～35% of an anode voltage.
Embodiment 2
The length of above-mentioned said G3 electrode is 70%～90% of main lens diameter, the length of G4 electrode is 30%～40% of main lens diameter, the length of G5 electrode is 200%～250% of main lens diameter, the anode working voltage 23KV～25KV of described electron gun, focus voltage is 26%～35% or 30 ± 3% of an anode voltage, and the negative electrode of electron gun adopts the melanism heated filament to start the formula negative electrode fast.
The utility model has adopted compound quadrupole focussing lesn and focus electrode structure.Also used the soft arcing technology that suppresses ring 12 on the glass frosted pillar 1, guaranteed that the spark of high-tension electricity generation can be died away, and improved the withstand voltage properties of homogeneous tube.The structure of G5 electrode is an overlay structure.
Claims (7)
1, a kind of combined type condenser lens electron gun, comprise glass frosted pillar (1), by the fixing successively G6 electrode (2) of glass frosted pillar (1), G5 electrode (3), G4 electrode (4), G3 electrode (5), G2 electrode (6), G1 electrode (7) and negative electrode (8), heated filament (9) and stem stem (10), G6 electrode (2) is connected with convergence cap (11), glass rod is provided with and suppresses ring (12), it is characterized in that constituting prefocus lens between G2 electrode (6) and the G3 electrode (5), G3 electrode (5), G4 electrode (4), G5 electrode (3) constitutes attachment lens, G5 electrode (3) constitutes main lens with G6 electrode (2), the length of G3 electrode (5) is the 50%-130% of main lens diameter, the length of G4 electrode (4) is 10%～50% of main lens diameter, the length of G5 electrode (3) is 180%～300% of main lens diameter, anode voltage is added on the G6 electrode, focus voltage (EC3) is added in respectively on G2 electrode and the G3 electrode, accelerating voltage (EC2) is added on G3 electrode and the G5 electrode, its anode working voltage is 23KV～25KV, and focus voltage is 26%～35% of an anode voltage.
2, combined type condenser lens electron gun according to claim 1, the length that it is characterized in that the G3 electrode is 70%～110% of main lens diameter; The length of G4 electrode is 20%～40% of main lens diameter; The length of G5 electrode is 220%～260% of main lens diameter.
3, combined type condenser lens electron gun according to claim 1, it is characterized in that the G3 electrode length is the 70%-90% of main lens diameter, the length of G4 electrode (4) is 30%～40% of main lens diameter, and the length of G5 electrode (3) is 200%～250% of main lens diameter.
4, combined type condenser lens electron gun according to claim 1 is characterized in that focus voltage is 30 ± 3% of an anode voltage.
5, combined type condenser lens electron gun according to claim 1 is characterized in that described electron gun adopts the melanism heated filament to start the formula negative electrode fast.
6, combined type condenser lens electron gun according to claim 1 is characterized in that the glass frosted pillar of described electron gun is provided with the inhibition ring.
7, combined type condenser lens electron gun according to claim 1 is characterized in that the structure of described electron gun G5 electrode is an overlay structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03218608 CN2606447Y (en) | 2003-03-14 | 2003-03-14 | Composite focus lens electron gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03218608 CN2606447Y (en) | 2003-03-14 | 2003-03-14 | Composite focus lens electron gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2606447Y true CN2606447Y (en) | 2004-03-10 |
Family
ID=34161014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03218608 Expired - Lifetime CN2606447Y (en) | 2003-03-14 | 2003-03-14 | Composite focus lens electron gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2606447Y (en) |
-
2003
- 2003-03-14 CN CN 03218608 patent/CN2606447Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Designer after: Song Penghao Designer after: Wang Xiuying Designer after: Jiang Junxiang Designer after: Yang Keying Designer before: Song Penghao Designer before: Wang Xiuying Designer before: Jiang Junxiang Designer before: Yang Keying |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: SONG PENGHAO WANG XIUYING JIANG JUNXIANG YANG KEYING TO: SONG PENGHAO WANGXIUYING JIANG JUNXIANG YANG KEYING |
|
| ASS | Succession or assignment of patent right |
Owner name: IRICO GROUP ELECTRONICS CO., LTD. Free format text: FORMER OWNER: CAIHONG COLOUR KINESCOPE GENERAL FACTORY Effective date: 20041126 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20041126 Address after: 712021 No. 1 Rainbow Road, Shaanxi, Xianyang Patentee after: IRICO Group Electronics Co., Ltd. Address before: 712021 No. 1 Rainbow Road, Shaanxi, Xianyang Patentee before: Caihong Color CRT General Factory |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130314 Granted publication date: 20040310 |