CN201623003U - Ultra-high voltage mercury lamp with low starting voltage - Google Patents
Ultra-high voltage mercury lamp with low starting voltage Download PDFInfo
- Publication number
- CN201623003U CN201623003U CN2010201547395U CN201020154739U CN201623003U CN 201623003 U CN201623003 U CN 201623003U CN 2010201547395 U CN2010201547395 U CN 2010201547395U CN 201020154739 U CN201020154739 U CN 201020154739U CN 201623003 U CN201623003 U CN 201623003U
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- shell
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- lamp base
- discharge cell
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Abstract
The utility model relates to an ultra-high voltage mercury lamp with low starting voltage. A molybdenum belt (3) of one electrode (2a) in two electrodes (2a and 2b) of the lamp is partitioned into two parts (3a and 3b), a small sealed blister shell (5) is formed between the two partitioned parts (3a and 3b) of the molybdenum belt (3) in a lamp base (4a), and argon is filled into the small blister shell (5); and a leading-out end of the other electrode (2b) is connected with a tungsten filament (6) which crosses over a discharge blister (1) and is wound on the lamp base (4a) with the small blister shell (5). The ultra-high voltage mercury lamp has low starting voltage, and a control circuit of the lamp has easy manufacture, low cost and long service life.
Description
Technical field
The utility model relates to a kind of ultrahigh pressure mercury lamp.
Background technology
Ultrahigh pressure mercury lamp is to charge into mercury and halogens in the quartz glass ball discharge cell-shell of sealing, and two relative electrodes of pole tip are set in cell-shell simultaneously, draws on the lamp base of two electrodes by the cell-shell two ends.When two electrodes connect the startup high voltage, produce high heat when producing high potential difference between two electrodes, mercury vapor is changed into high-pressure mercury vapor, and high-pressure mercury vapor is stimulated and discharges under the high potential difference effect, finish the startup of lamp, enter operating state, then under normal working voltage, mercury vapour is excited to discharge, form the electrical discharge arc center at two interpolars, and send the light of high brightness.Because the volume of ultrahigh pressure mercury lamp discharge cell-shell is very little, the quantity of natural residual ionization acquisition initiating electron is extremely limited, so the puncture of lamp (startup) voltage is high, is generally 20KV.The control circuit of lamp need produce so high starting resistor, cause its complex structure, make difficulty, cost is high, and the life-span is short.
The utility model content
The purpose of this utility model just provides the low ultrahigh pressure mercury lamp of a kind of starting resistor, and the starting resistor of this ultrahigh pressure mercury lamp is low, and the control circuit of lamp is made easily, and cost is low, long service life.
The utility model is realized its goal of the invention, the technical scheme that adopts is: the ultrahigh pressure mercury lamp that a kind of starting resistor is low, comprise the quartz glass discharge cell-shell, the lamp base at discharge cell-shell two ends, interior two the relative electrodes of pole tip that are provided with of discharge cell-shell that are filled with mercury and halogens, two electrodes are all drawn from lamp base separately respectively by the molybdenum band, and its design feature is:
The molybdenum band of an electrode in described two electrodes is cut off into two parts, forms the little cell-shell of a sealing between two parts that the molybdenum band in lamp base cuts off, and charge into argon gas in this little cell-shell; The exit of another electrode connects a tungsten filament, and this tungsten filament strides across the discharge cell-shell, is wrapped on the lamp base with little cell-shell.
Operation principle of the present utility model and process are:
Because the tungsten filament that twines on the electrode on the lamp base of no little cell-shell and the lamp base that little cell-shell is arranged links to each other, therefore, when startup, the starting resistor of two electrodes is with on the electrode and little cell-shell winding tungsten filament outward that are applied to simultaneously with the lamp base of little cell-shell; It also is the effect that the interior argon gas of little cell-shell will be subjected to the high potential difference of starting resistor, because the discharge breakdown voltage of argon gas is lower, can disruptive discharge under the voltage about 5KV, produce stronger light, and on the liftoff mercury that is radiated in the discharge cell-shell of low coverage, thereby make in the discharge cell-shell and produce photo ionization, the initiating electron quantity of discharge cell-shell internal ionization increases greatly; Mercury puncture voltage in the discharge cell-shell reduces greatly, and the outer tungsten filament of discharge cell-shell also forms an additional electric field with another the interior electrode of cell-shell that discharges, also make the easier disruptive discharge of mercury in the discharge cell-shell, thereby the mercury in the discharge cell-shell can start rapidly under the voltage of 5KV, enters normal luminance subsequently.
Compared with prior art, the beneficial effects of the utility model are:
One, by low pressure puncture, the Discharge illuminating of argon gas in the little cell-shell, shines the mercury in the discharge cell-shell; Make mercury produce photo ionization, the initiating electron quantity of mercury increases, and its puncture voltage reduces greatly; Simultaneously, in little cell-shell, also form an additional electric field, also make the mercury disruptive discharge in the discharge cell-shell easier, thereby the starting resistor of lamp is reduced to 5KV.
Two, because the starting resistor of lamp is reduced to 5KV from the 20KV of prior art, and the control circuit of lamp only need produce the starting resistor of much lower 5KV, the cost of manufacturing of control circuit reduces greatly, and long service life.
The utility model is described in further detail below in conjunction with accompanying drawing and concrete execution mode.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Embodiment
Fig. 1 illustrates, a kind of concrete mode of the present utility model is: the ultrahigh pressure mercury lamp that a kind of starting resistor is low, comprise two relative electrode 2a, the 2b of pole tip that are provided with in lamp base 4a, 4b, the discharge cell-shell 1 at the quartz glass discharge cell-shell 1 that is filled with mercury and halogens, discharge cell-shell 1 two ends, two electrode 2a, 2b all draw from separately lamp base 4a, 4b respectively by molybdenum band 3.
Wherein the molybdenum band 3 of an electrode 2a among two electrode 2a, the 2b is cut off into two parts 3a, 3b, forms the vesicle shell 5 of a sealing between two parts 3a, the 3b that the molybdenum band 3 in lamp base 4a cuts off, and charge into argon gas in this vesicle shell 5; The exit of another electrode 2b (being the end that electrode 2b passes lamp base 4b) connects a tungsten filament 6, and this tungsten filament 6 strides across discharge cell-shell 1, is wrapped on the lamp base 4a of band vesicle shell 5.
Claims (1)
1. ultrahigh pressure mercury lamp that starting resistor is low, comprise the quartz glass discharge cell-shell (1) that is filled with mercury and halogens, interior relative two electrodes (2a, 2b) of pole tip that are provided with of lamp base (4a, 4b), discharge cell-shell (1) at discharge cell-shell (1) two ends, two electrodes (2a, 2b) are all drawn from lamp base (4a, 4b) separately respectively by molybdenum band (3), it is characterized in that:
The molybdenum band (3) of the electrode (2a) in described two electrodes (2a, 2b) is cut off into two parts (3a, 3b), form the little cell-shell (5) of a sealing between two parts (3a, 3b) that molybdenum band (3) in lamp base (4a) cuts off, and in this little cell-shell (5), charge into argon gas; The exit of another electrode (2b) connects a tungsten filament (6), and this tungsten filament (6) strides across discharge cell-shell (1), is wrapped on the lamp base (4a) with little cell-shell (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201547395U CN201623003U (en) | 2010-04-10 | 2010-04-10 | Ultra-high voltage mercury lamp with low starting voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201547395U CN201623003U (en) | 2010-04-10 | 2010-04-10 | Ultra-high voltage mercury lamp with low starting voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201623003U true CN201623003U (en) | 2010-11-03 |
Family
ID=43026459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201547395U Expired - Fee Related CN201623003U (en) | 2010-04-10 | 2010-04-10 | Ultra-high voltage mercury lamp with low starting voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201623003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682612A (en) * | 2018-05-05 | 2018-10-19 | 深圳市晶影光技术有限公司 | A kind of high precision Exposing Lamp |
-
2010
- 2010-04-10 CN CN2010201547395U patent/CN201623003U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682612A (en) * | 2018-05-05 | 2018-10-19 | 深圳市晶影光技术有限公司 | A kind of high precision Exposing Lamp |
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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: CHENGDU TIANJIN INSTRUMENT CO., LTD. Free format text: FORMER OWNER: WANG GUOHUA Effective date: 20130830 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610066 CHENGDU, SICHUAN PROVINCE TO: 610041 CHENGDU, SICHUAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130830 Address after: High tech Zone Gaopeng road in Chengdu city of Sichuan province 610041 No. 11 21E2 Patentee after: Chengdu Tianjin Instrument Co., Ltd. Address before: 610066, Gao Qiao building, No. 2 bridge, Chengdu, Sichuan, Chenghua District 13-B2 Patentee before: Wang Guohua |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20170410 |