CN101930898B - Indirect preheating starting discharge lamp and device thereof - Google Patents
Indirect preheating starting discharge lamp and device thereof Download PDFInfo
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- CN101930898B CN101930898B CN 200910069397 CN200910069397A CN101930898B CN 101930898 B CN101930898 B CN 101930898B CN 200910069397 CN200910069397 CN 200910069397 CN 200910069397 A CN200910069397 A CN 200910069397A CN 101930898 B CN101930898 B CN 101930898B
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- discharge lamp
- electric heating
- heating member
- electrode
- lamp
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Abstract
An indirect preheating start discharge lamp and a device thereof, wherein the discharge lamp comprises a lamp tube with electrodes respectively arranged at the two ends therein and filling material sealed therein; one side of the electrode of at least one end inside the lamp tube is provided with an electric heating component, wherein the electrode and the lead of the electric heating component are respectively led out of the end part of the lamp tube to form a circuit joint, and is also provided with a lighting device with the discharge lamp. At the initial lighting stage of the discharge lamp, the electric heating component in the lamp tube emits electrons to heat adjacent electrode and fills initial electrons in the lamp tube, thereby reducing the trigger starting voltage of the lamp, protecting the electrode, and prolonging service life of the lamp.
Description
Technical field
The present invention relates to a kind of indirect preheating starting discharge lamp and device thereof.
Background technology
As shown in Figure 1, be the organigram of a conventional discharge lamps.The operation principle of this kind discharge lamp 3, be by glass fluorescent tube 31 inner two end electrodes 31 processed, 32 apply voltage, the illuminating gas that makes fluorescent tube 31 interior fillings because of excite or ionization luminous.At present on the market various fluorescent lamps, cold-cathode tube, electricity-saving lamp claims again Electricity-saving lamp bulb or all kinds of high-pressure discharge lamp such as mercury lamp, sodium vapor lamp, metal halide lamp, xenon lamp etc., and all symbolic animal of the birth year is with the discharge lamp of operation principle.
The principal element that existing discharge lamp is ended useful life is electrode failure, and the major failure form of electrode to be contained negative electrode thing claim electronic emitting material excessive loss or lead rupture, cause electrode to be difficult to electron emission, light a lamp and can't be triggered to start.Moreover, the startup stage of the triggering of discharge lamp, its negative electrode can produce very large cathode fall, and the energy of cathode fall impels cation strong impaction negative electrode, cause the negative electrode thing on the electrode to be gone out by a large amount of sputters, this is the main cause of the quick loss of electrode cathode thing of existing discharge lamp.
The starting method of lighting a lamp of discharge lamp has the direct pipeline start up by preheating of hot cathode and cold cathode instantaneous starting dual mode at present.The direct pipeline start up by preheating mode of this kind hot cathode wherein, be after the power supply of lighting a lamp send electricity, utilize stabilizer collocation starter that electrode is directly heated, when treating that electrode temperature is elevated to proper temperature, apply a higher triggering starting resistor by stabilizer in two end electrodes again, to light fluorescent tube; This mode exists stabilizer complex structure, high expensive, and the problem of the easy loss of electrode cathode thing.Another kind of cold cathode instantaneous starting mode is after the power supply of lighting a lamp send electricity, directly applies a very high triggering starting resistor by stabilizer in two end electrodes, makes discharge gas ionization in the fluorescent tube and finishes the action of lighting fluorescent tube; There is the quick loss of the contained negative electrode thing of electrode in this mode, reduces the lamp problem in useful life, and the safety concerns of high voltage operation is arranged.
Summary of the invention
Technical problem underlying to be solved by this invention is; overcome the problem of the easy in operation quick loss of electrode cathode thing of existing discharge lamp; and provide a kind of indirect preheating starting discharge lamp and device thereof; reach the triggering starting resistor that reduces lamp, and the implementation result in the useful life of guard electrode prolongation lamp.
For achieving the above object and implementation result, indirect preheating starting discharge lamp of the present invention, it comprises a fluorescent tube, is respectively arranged with electrode at the two ends, inside of this fluorescent tube and encloses filler; And in a side of the inner at least one termination electrode of this fluorescent tube one electric heating member is set.Triggering when wherein, this electrode is used for lighting a lamp starts and normally lights a lamp.This electric heating member is used for preheating and the electron emission of initial lighting stage, reaches or near the thermionic emission temperature with the adjacent electrode of electrons heat that utilizes emission, and makes the initiating electron that is full of necessity when starting in the fluorescent tube.And the wire of this electrode and electric components difference lead-out lights tube end forms circuit junction.With this discharge lamp that consists of; can make triggering starting resistor when lighting a lamp be reduced to normal working voltage near electrode; and can make the electrode cathode thing in the operation avoid quick loss; and reach the starting resistor of the reduction lamp of demand of the present invention, and the guard electrode purpose and the effect that prolong the useful life of lamp.
Moreover, indirect preheating starting discharge lamp device of the present invention, comprise that one contains the ignition device of the invention described above indirect preheating starting discharge lamp, this ignition device has a stabilizer and a mains switch, and this stabilizer is used for electrode and the electric heating member of discharge lamp are sent into suitable electric current and voltage individually or simultaneously; And this mains switch provide user control light a lamp power supply unlatching or close.
Example procedure of the present invention is as described below, after the power supply of lighting a lamp send electricity, export first a suitable electric current and voltage in the electric heating member by stabilizer, the electric heating member is heated up and electron emission, utilize afterwards the adjacent electrode of electrons heat of this electric heating member emission, and make and be full of initiating electron in the fluorescent tube, when but electrode is warming up to the thermionic emission temperature, by stabilizer two end electrodes is exported a suitable triggering starting resistor electric current again, lamp is normally lighted, and when stabilizer output triggers the starting resistor electric current or before, stop electric heating member output voltage electric current is finished the program of lighting a lamp of an indirect preheating starting discharge lamp thus.The ignition device of the invention described above, the high voltage that can exempt lights a lamp when starting to be improving safety in utilization, and have the design simplification of impelling stabilizer, reduce the implementation benefit such as cost.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the schematic diagram of conventional discharge lamps structure.
Fig. 2 is the cutaway view of discharge lamp example structure of the present invention.
Fig. 3 is the discharging lamp structure of the present invention as an example of fluorescent lamp example and the enforcement aspect figure of device thereof.
Fig. 4 is the discharging lamp structure of the present invention as an example of high-pressure discharge lamp example and an enforcement aspect figure of device thereof.
Fig. 5 is the discharging lamp structure of the present invention as an example of high-pressure discharge lamp example and another enforcement aspect figure of device thereof.
Fig. 6 is the discharging lamp structure of the present invention as an example of high-pressure discharge lamp example and the another enforcement aspect figure of device thereof.
Fig. 7 is the discharging lamp structure of the present invention as an example of high-pressure discharge lamp example and the another enforcement aspect figure of device thereof.
Fig. 8 is the discharging lamp structure of the present invention as an example of high-pressure discharge lamp example and the another enforcement aspect figure of device thereof.
Fig. 9 is the electrode structure schematic diagram of the present invention as an example of fluorescent lamp example.
Figure 10 is the discharge lamp overall schematic of the present invention as an example of electricity-saving lamp example.
Figure 11 is the discharge lamp sectional perspective schematic diagram of the present invention as an example of fluorescent lamp example.
The number in the figure explanation:
＜prior art 〉
3 fluorescent tubes
31 electrodes
32 electrodes
＜the present invention 〉
1 discharge lamp
10 fluorescent tubes
11 electrodes
12 electrodes
13 electric heating members
14 wires
15 wires
16 circuit junctions
17 circuit junctions
18 light covers
19 cylindricality electric conductors
2 ignition devices
21 stabilizers
22 mains switches.
Embodiment
As shown in Figure 2, the present invention's one discharge lamp 1, it comprises: a fluorescent tube 10 is respectively arranged with electrode 11,12 at the two ends, inside of this fluorescent tube 10, and encloses the filler (not shown); And in a side of fluorescent tube 10 inner at least one termination electrodes 11 or 12 an electric heating member 13 is set.Wherein, this fluorescent tube 10 is the glass tube of two ends sealing by fusing, and its inner filler can be at least a illuminating gas or gaseous mixture.Each electrode 11,12 and the wire 14,15 of electric components 13 draw respectively fluorescent tube 10 ends and form circuit junction 16,17.With this discharge lamp that consists of 1, triggering when two end electrodes 11,12 is used for lighting a lamp starts and normally lights a lamp, and electric heating member 13 is used for preheating and the electron emission of initial lighting stage, with the adjacent electrode 11,12 of electrons heat of utilization emission, and make the initiating electron that is full of necessity when starting in the fluorescent tube 10.
Discharge lamp 1 in above-described embodiment, it can be various fluorescent lamps, cold-cathode tube, electricity-saving lamp (claiming again Electricity-saving lamp bulb) and all kinds of high-pressure discharge lamp (such as mercury lamp, sodium vapor lamp, metal halide lamp, xenon lamp, vapour Vehicular HID lamp) of identical principle of luminosity.And be located at the two end electrodes 11,12 and electric heating member 13 of its fluorescent tube 10 inside, its material and configuration can be same as the present employed electrode of above-mentioned various types of discharge lamp.
With concrete enforcement aspect, be located at the two end electrodes 11,12 and electric heating member 13 of fluorescent tube 10 inside, it can be identical coil configuration, bar-shaped (containing the bar-shaped of end machining shape) configuration, hollow tubular configuration with opening, or wherein the collocation of wantonly two kinds of configurations is used.Such as Fig. 2, shown in Figure 3, discharge lamp 1 of the present invention is take fluorescent lamp as example, the two end electrodes 11 of its fluorescent tube 10 inside, a side of 12 respectively are provided with an electric heating member 13, this two end electrodes 11,12 can be identical coil configuration with electric heating member 13, and each electrode 11,12 and the wire 14,15 of electric heating member 13 draw respectively fluorescent tube 10 ends and form circuit junction 16,17.For another Fig. 4, shown in Figure 5, discharge lamp 1 of the present invention is take high-pressure discharge lamp as example, the two end electrodes 11 of its fluorescent tube 10 inside, a side of 12 respectively are provided with an electric heating member 13, this two end electrodes 11,12 is that a bar-shaped configuration (or has the hollow tubular configuration of opening, not shown in the figures), and this electric heating member 13 is a coil configuration, and each electrode 11,12 and the wire 14,15 of electric heating member 13 draw respectively fluorescent tube 10 ends and form circuit junction 16,17.
And the electrode 11 in the above-mentioned enforcement, 12 and electric heating member 13, its material can be the selection in following several application: a kind ofly be, make electrode 11,12 and the material of electric heating member 13 be thoriated at 0.1～5% thorium tungsten, contain cerium at 0.1～5% cerium tungsten, molybdenum nickel, aluminium, copper, iron; Another kind is to make electrode 11,12 with the material of electric heating member 13 be tungsten, rhenium tungsten, lanthanum tungsten, thorium tungsten, cerium tungsten, molybdenum, nickel, aluminium, copper, any is Base Metal in the iron, and the electronic emission material of coating or the easy electron emission of dipping low work function, and this electronic emission material can be the lithium of alkali metal group metalloid, sodium, potassium, rubidium, caesium, francium, and the beryllium of alkaline earth metalloid, magnesium, calcium, strontium, barium, and the scandium of rare earth metal, yttrium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, dysprosium, holmium, erbium, ytterbium, lutetium, thorium, aluminium, manganese, the metals such as zirconium, among the hopcalite of one or more above-mentioned metallic elements; Another is, make electrode 11,12 and the material of electric heating member 13 be that sintering formed together after tungsten powder and electronic emission material mixed.
In the above-described embodiments, the electrode 11 of fluorescent tube 10 inside, 12 and the enforcement aspect of electric heating member 13 is used for illustrating the technical characterstic of discharge lamp 1 of the present invention, but not the restriction during the invention process.With the enforcement aspect of reality, this electric heating member 13 can be coil configuration, bar-shaped configuration, have opening the hollow tubular configuration any.In addition, take high-pressure discharge lamp as example, the present invention also can be in fluorescent tube 10 inside wherein a termination electrode 11, a side of 12 one electric heating member 13 is set, with the adjacent electrode 11,12 of electrons heat by these electric heating member 13 emissions, shown in the 6th, 7 figure.Or in the two end electrodes 11 of fluorescent tube 10 inside, a side of 12 one electric heating member 13 is set, heating two end electrodes 11,12 with by the electron synchrotron of these electric heating member 13 emissions the time, as shown in Figure 8.
In the above-described embodiments, the electric heating member 13 thermal source heating that utilization itself produces when operation itself with the rising temperature, and makes it be easy to electron emission.Its mode that produces thermal source can be switched in utilization itself, and because resistance generates heat or generates heat because of positive ion bombardment when discharging, perhaps both have concurrently.Therefore, this electric heating member 13, it draws the circuit junction 17 of indivedual electric power loops in fluorescent tube 10 ends except the wire 15 that can utilize two ends to connect, such as Fig. 3, Fig. 5, Fig. 7, shown in Figure 8.This electric heating member 13 can also be to be attached on the wire 14 of adjacent electrode 11 with the one end, consists of another kind of electric power loop with this, such as Fig. 4, shown in Figure 6.
In the above-described embodiments, the wire 14 that connects with each electrode 11,12 two ends is drawn respectively a circuit junction 16 discharge lamp 1 structure of the present invention is described in fluorescent tube 10 ends.In addition, please cooperate shown in Figure 9ly, discharge lamp 1 of the present invention also can be wire 14 that electrode 11,12 two ends connect is drawn some roads contact 16 jointly in fluorescent tube 10 ends form, and all the other structures are constant.
In the above-described embodiments, discharge lamp 1 of the present invention, its fluorescent tube 10 be except can be the straight tube configuration, please cooperate shown in Figure 10ly, and its fluorescent tube 10 also can be various bend pipe configuration, and this fluorescent tube 10 can utilize the be connected in one form that arranges of formula of end and stabilizer 21.
In the above-described embodiments, when discharge lamp 1 of the present invention is general fluorescent lamp type, please cooperate Fig. 3, shown in Figure 11, its place, fluorescent tube 10 outside two ends is the sheathed aluminium matter light cover 18 of fixing respectively, and this light cover 18 has circuit junction 16,17 respective amount of drawing with fluorescent tube 10 ends and the cylindricality electric conductor 19 that is connected.
Indirect preheating starting discharge lamp 1 structural design according to the invention described above, lighting a lamp the startup starting stage, can be reached with the adjacent electrode 11,12 of the electrons heat of its emission or near the thermionic emission temperature by electric heating member 13, and triggering starting resistor when lighting a lamp can be reduced near electrode 11,12 normal working voltage, and make the initiating electron that is full of necessity when starting in the fluorescent tube 10.Realize whereby its triggering starting resistor that reduces lamp with the lifting operation fail safe, and guard electrode with purpose and the effect in useful life of prolonging lamp.
A kind of indirect preheating starting discharge lamp device of the present invention please cooperate Fig. 2～shown in Figure 11, and it comprises that one contains the ignition device 2 of the discharge lamp 1 of the above embodiment of the present invention.This ignition device 2 has a stabilizer 21, with a mains switch 22; Wherein, described discharge lamp 1 be with its each electrode 11,12 and electric heating member 13 circuit junction 16 of drawing, 17 and stabilizer 21 be electrically connected, and can send into individually or simultaneously suitable electric current and voltage by these stabilizer 21 controls; And this mains switch 22 be available for users to control light a lamp power supply unlatching or close.
In one embodiment, indirect preheating starting discharge lamp device of the present invention, its control program of lighting a lamp is: after power-on switch 22 is sent into the power supply of lighting a lamp, stabilizer 21 send first the suitable electric heating member 13 of small voltage electric current in fluorescent tube 10, when treating that this electric heating member 13 heats up the thermionic emission temperature that reaches suitable, stabilizer 21 is more simultaneously to fluorescent tube 10 inner two end electrodes 11,12 and electric heating member 13 apply a suitable small voltage electric current, make each electrode 11,12 and adjacent electric heating member 13 between produce discharge, treat two end electrodes 11,12 because of and electric heating member 30 between discharge process heat up when reaching suitable thermionic emission temperature, again by 21 pairs of two end electrodes 11 of stabilizer, 12 apply a larger triggering starting resistor, lamp is normally lighted, and stabilizer 21 can be to two end electrodes 11,12 send when triggering starting resistor or before, stop electric heating member 13 is sent electric current, damage because of the positive ion bombardment sputter to avoid this electric heating member 13.
Utilize the indirect preheating starting discharge lamp device 2 of the invention described above, the triggering starting resistor of discharge lamp 1 is reduced near electrode 11,12 normal working voltage, reach whereby the useful life that guard electrode 11,12 prolongs lamps.Because exempted the high voltage of lighting a lamp when starting, it also has the fail safe that improves use, and impels the design simplification of stabilizer 21, the implementation benefit of reduction cost.
The above embodiments of the present invention, be explanation technical characteristics of the present invention and effect and for example, anyly be familiar with the technology of the present invention field person, simple equivalent variation or modification person do in the spirit that does not break away from major technique of the present invention and scope, for example the electric heating member 13 of discharge lamp 1 of the present invention is done the variation of a configuration, material, but do not break away from its preheating that is used for initial lighting stage and the essence function of electron emission; Or discharge lamp 1 of the present invention and existing ignition device are done one to be combined with, and do not break away from its can control individually or simultaneously electrode 11 to discharge lamp 1,12 and electric heating member 13 send into the essence function of suitable electric current and voltage; All belong to the technical solution of the present invention scope.
Claims (12)
1. an indirect preheating starting discharge lamp comprises a fluorescent tube, electrode is set respectively at the two ends, inside of this fluorescent tube and encloses filler; It is characterized in that, in a side of the inner at least one termination electrode of this fluorescent tube one electric heating member is set, be not connected between this electric heating member and the electrode, and connect power supply respectively;
After power supply is lit a lamp in unlatching, respectively fluorescent tube internal electrode and adjacent electric heating member thereof are applied the small voltage electric current simultaneously, make and produce discharge between each electrode and the adjacent electric heating member, treat that each electrode is because heating up when reaching the thermionic emission temperature with the electric heating member, again two end electrodes is applied a larger triggering starting resistor, lamp is normally lighted.
2. indirect preheating starting discharge lamp according to claim 1, it is characterized in that: described electrode and electric heating member are identical coil configuration, the bar-shaped bar-shaped configuration that contains the end machining shape has the hollow tubular configuration of opening, or wherein the collocation of wantonly two kinds of configurations is used.
3. indirect preheating starting discharge lamp according to claim 1, it is characterized in that: the wire of described electrode and electric heating member is drawn circuit junction at lamp tube end respectively; And the circuit junction of this electric heating member to be the wire that utilizes two ends to connect draw at lamp tube end indivedual electric power loops, or be attached on the wire of adjacent electrode with an end wherein, consist of the circuit junction of another kind of electric power loop with this.
4. indirect preheating starting discharge lamp according to claim 1, it is characterized in that: described discharge lamp in fluorescent tube inside wherein a termination electrode one side one electric heating member is set, or in a side of two end electrodes one electric heating member is set respectively, or the side between two end electrodes arranges an electric heating member.
5. indirect preheating starting discharge lamp according to claim 1, it is characterized in that: the material of described electrode and electric heating member is tungsten, thoriated is at 0.1～5% thorium tungsten, contains cerium at 0.1～5% cerium tungsten, molybdenum nickel, aluminium, copper, iron.
6. indirect preheating starting discharge lamp according to claim 1, it is characterized in that: the material of described electrode and electric heating member is tungsten, rhenium tungsten, lanthanum tungsten, thorium tungsten, cerium tungsten, molybdenum, nickel, aluminium, copper, any is Base Metal in the iron, and coating or dipping low work function are easy to the electronic emission material of electron emission.
7. indirect preheating starting discharge lamp according to claim 1 or 5, it is characterized in that: the electronic emission material of described electrode and electric heating member is the lithium of alkali metal group metalloid, sodium, potassium, rubidium, caesium, francium, and the beryllium of alkaline earth metalloid, magnesium, calcium, strontium, barium, and the scandium of rare earth metal, yttrium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, dysprosium, holmium, erbium, ytterbium, lutetium, thorium, aluminium, manganese, the hopcalite of the above-mentioned metallic element of more than one in the zirconium.
8. indirect preheating starting discharge lamp according to claim 1 is characterized in that: after the material of described electrode and electric heating member mixed with tungsten powder and electronic emission material, sintering formed together.
9. indirect preheating starting discharge lamp according to claim 1, it is characterized in that: described electric heating member is the thermal source heating itself that utilization itself produces when operation, the mode that itself produces thermal source is utilization energising itself, because resistance generates heat or generates heat because of positive ion bombardment when discharging, or both have concurrently.
10. indirect preheating starting discharge lamp according to claim 1, it is characterized in that: described discharge lamp utilizes its lamp tube end and a stabilizer to be wholely set.
11. indirect preheating starting discharge lamp according to claim 1, it is characterized in that: each sheathedly fixes a light cover to described discharge lamp in the outside two ends of its fluorescent tube, and this light cover has the circuit junction respective amount of drawing with lamp tube end and the cylindricality electric conductor that is connected.
12. indirect preheating starting discharge lamp device, it is characterized in that, comprise that one contains the ignition device of the described indirect preheating starting discharge lamp of claim 1, this ignition device has a stabilizer and a mains switch, circuit junction and stabilizer that described discharge lamp is drawn with each electrode and electric heating member are electrically connected, and can send into individually or simultaneously suitable electric current and voltage by this stabilizer control; In addition this mains switch be available for users to control light a lamp power supply unlatching or close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910069397 CN101930898B (en) | 2009-06-23 | 2009-06-23 | Indirect preheating starting discharge lamp and device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910069397 CN101930898B (en) | 2009-06-23 | 2009-06-23 | Indirect preheating starting discharge lamp and device thereof |
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| CN101930898A CN101930898A (en) | 2010-12-29 |
| CN101930898B true CN101930898B (en) | 2013-03-06 |
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| CN 200910069397 Expired - Fee Related CN101930898B (en) | 2009-06-23 | 2009-06-23 | Indirect preheating starting discharge lamp and device thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104183459A (en) * | 2013-05-28 | 2014-12-03 | 海洋王照明科技股份有限公司 | Ceramic halogen lamp electrode |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1060740A (en) * | 1990-09-30 | 1992-04-29 | 中国人民解放军总参谋部第六十三研究所 | Long-life filament electrode of heat negative electrode low-voltage mercury-arc lamp |
| CN2442387Y (en) * | 2000-05-12 | 2001-08-08 | 尹梦寒 | Multipurpose gas discharge lamp |
-
2009
- 2009-06-23 CN CN 200910069397 patent/CN101930898B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1060740A (en) * | 1990-09-30 | 1992-04-29 | 中国人民解放军总参谋部第六十三研究所 | Long-life filament electrode of heat negative electrode low-voltage mercury-arc lamp |
| CN2442387Y (en) * | 2000-05-12 | 2001-08-08 | 尹梦寒 | Multipurpose gas discharge lamp |
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