CN2751437Y - Discharging lamp - Google Patents
Discharging lamp Download PDFInfo
- Publication number
- CN2751437Y CN2751437Y CN 200420058178 CN200420058178U CN2751437Y CN 2751437 Y CN2751437 Y CN 2751437Y CN 200420058178 CN200420058178 CN 200420058178 CN 200420058178 U CN200420058178 U CN 200420058178U CN 2751437 Y CN2751437 Y CN 2751437Y
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- CN
- China
- Prior art keywords
- anode
- cathode
- power supply
- utility
- lamp
- 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 - Fee Related
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Abstract
The utility model discloses a discharging lamp with the positive corona discharging characteristic, which comprises a glass shell, a core post, a cathode and an anode. The utility model is characterized in that the anode is positioned in the center of a region surrounded by the cathode and guide wires at both sides; ratios of the effective length of the cathode and the distance between the cathode and the anode to the anode dimension are all greater than the natural constant e. the cathode is connected with the negative pole of a power supply; the anode is connected with the positive pole of the power supply. After the power supply is switched on, the cathode and the anode in the glass tube form a positive corona discharging system. If made into an ultraviolet germicidal lamp, the utility model effectively enhances ultraviolet radiation efficiency; if made into a fluorescent lamp, the utility model has higher light efficiency.
Description
Affiliated technical field
The utility model relates to a kind of discharge lamp, especially relates to a kind of discharge lamp with positive corona characteristic.
Background technology
Ultraviolet germicidal lamp is borrowed the hand of SARS, has become the major product in ultraviolet sterilization market.Along with popularizing and standard of ultraviolet sterilization knowledge, some ultraviolet germicidal lamp also exposes some defective gradually.
Popular a ultraviolet germicidal lamp (seeing accompanying drawing 1) on the market, it is to have encapsulated a long filament of V-type in a glass bulb, and is similar to incandescent lamp in appearance, but has the function of discharge lamp.The energising back produces glow discharge by the voltage drop of filament cathode at the filament two ends, thereby excites ultra-violet radiation to finish the correlation function of ultraviolet germicidal lamp.
This ultraviolet germicidal lamp has only a filament cathode, because course of work filament is in parallel with electric arc all the time, thereby shunted one part of current, and this a part of electric current is the Joule heat that electric energy is changed into filament purely.Therefore, the ultraviolet radiation flux of this ultraviolet germicidal lamp is little, and efficient is not high.
Summary of the invention
The purpose of this utility model is that a kind of discharge lamp with positive corona characteristic will be provided, and it comprises glass bulb, stem stem, is assemblied in the filament cathode on the seal wire of both sides, also has the contre electrode as anode.According to the critical condition that produces positive corona, the effective length of negative electrode and negative electrode must be greater than natural constant e with the ratio of anode dimension (anode equivalent redius) to the spacing (being the negative electrode radius) of anode.Negative electrode in the glass bulb and anode are realized electrically connecting by seal wire and extraneous power supply: outside phase-splitting of pipe and the back of supporting two seal wires of cathode filament spiral connect with the negative pole of power supply; Connect with the positive pole of power supply as the outer part of the pipe of the seal wire of anode.
Description of drawings
The utility model is described further by following embodiment and accompanying drawing.In the accompanying drawing 2: 1 is outer glass bulb; 2 is the negative electrode spiral, and its effective length must be greater than natural constant e with the ratio of anode dimension; 3 is anode, and it is in the central authorities in the zone that negative electrode and both sides seal wire surround, and with their spacing and the ratio of self size must be greater than natural constant e; 4 is stem stem; 5.1 and 5.2 be the negative electrode seal wire; 6 is the anode seal wire.
Embodiment
With the outer seal wire 5.1 of the negative electrode in accompanying drawing 2 explanation with 5.2 mutually and the back connect with the negative pole of power supply, seal wire 6 connects with the positive pole of power supply outside the anode.Negative electrode in the lamp and anode have just been formed positive corona system, and electric field is the fan beam state by anode 3 to negative electrode 2, and near the electric field of anode is stronger, excite and ionization mainly occurs near the anode.The fan beam electric field near the negative electrode a little less than, the energy of charged particle target bombardment sputter is little, this is favourable to the useful life that prolongs discharge lamp.Glass bulb is made the then ultraviolet germicidal lamp for having positive corona characteristic with saturating purple material, and it can improve ultraviolet radiation efficiency greatly; Can make the fluorescent lamp with positive corona characteristic at glass-tube coated inner wall fluorescent material, it has higher light efficiency.After tested, the operating current of discharge lamp of the present utility model has reduced three minutes one nearly than the long filament uviol lamp of the above-mentioned V-type that relates to, and all electric current has all participated in the work of discharging.
Claims (3)
1. discharge lamp, it is made up of glass bulb, stem stem, negative electrode, anode, it is characterized in that: the effective length of negative electrode and negative electrode must be greater than natural constant e. with the ratio of anode dimension to the spacing of anode
2. discharge lamp according to claim 1 is characterized in that: outside phase-splitting of pipe and the back of supporting two seal wires of cathode filament spiral connect with the negative pole of power supply, and the outer seal wire of the pipe of anode connects with the positive pole of power supply.
3. discharge lamp according to claim 1 is characterized in that: glass bulb is made by saturating purple material and then is uviol lamp; Glass bulb coated inner wall fluorescent material then becomes fluorescent lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420058178 CN2751437Y (en) | 2004-11-25 | 2004-11-25 | Discharging lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420058178 CN2751437Y (en) | 2004-11-25 | 2004-11-25 | Discharging lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2751437Y true CN2751437Y (en) | 2006-01-11 |
Family
ID=35932608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420058178 Expired - Fee Related CN2751437Y (en) | 2004-11-25 | 2004-11-25 | Discharging lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2751437Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101110338B (en) * | 2006-07-21 | 2012-05-23 | 福州恊特来照明有限公司 | Gas light-emitting diode |
-
2004
- 2004-11-25 CN CN 200420058178 patent/CN2751437Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101110338B (en) * | 2006-07-21 | 2012-05-23 | 福州恊特来照明有限公司 | Gas light-emitting diode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |