CN202168263U - Hot cathode ultraviolet lamp with long starting service life - Google Patents
Hot cathode ultraviolet lamp with long starting service life Download PDFInfo
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- CN202168263U CN202168263U CN2011202666019U CN201120266601U CN202168263U CN 202168263 U CN202168263 U CN 202168263U CN 2011202666019 U CN2011202666019 U CN 2011202666019U CN 201120266601 U CN201120266601 U CN 201120266601U CN 202168263 U CN202168263 U CN 202168263U
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- hot cathode
- lamp
- fluorescent tube
- lamp holder
- starting circuit
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Abstract
The utility model discloses a hot cathode ultraviolet lamp with long starting service life, which comprises a quartz ultraviolet lamp tube, a hot cathode, a lamp holder and a lamp base. A non-consumption preheat starting circuit composed of a pressure sensitive switch and a time delay switch which are connected in series, the non-consumption preheat starting circuit is connected with a starting capacitor in parallel and then connected with the hot cathode in series. The hot cathode ultraviolet lamp includes the non-consumption preheat starting circuit composed of the pressure sensitive switch and the time delay switch, and when the ultraviolet lamp is started, the pressure sensitive switch is closed quickly so as to enable current to pass through the pressure sensitive switch and the time delay switch to flow through lamp filament to preheat the lamp filament. After approximately 1 to 2 seconds, the time delay switch is closed in thermal power delaying mode due to the fact that the time delay switch is heated, the ultraviolet lamp is lighted, and the pressure sensitive switch is not closed any more. The lamp tube obtains an ideal effect of starting after preheating and zero consumption, and the hot cathode ultraviolet lamp has the advantages of being high in reliability, long in service life, low in cost and the like.
Description
Technical field
The utility model relates to a kind of ultra-violet lamp, especially a kind of hot cathode ultra-violet lamp that starts the life-span of growing.
Background technology
The hot cathode ultra-violet lamp its light with the regular picture process in negative electrode (being filament electrode) enough temperature must be arranged and produce a large amount of thermionic emission, fluorescent tube could the long-life work.If cathode temperature is on the low side when starting (lighting), will be directed at the serious sputter of negative electrode, fluorescent tube turns black in advance, and working life shortens at double.Very regrettably; Most in the market Related products are given me a little the pipe of lighting a lamp with this cold start-up mode just; Lamp is without preheating just " one open promptly bright "; The result of repetition test shows that its switch life (total degree) has only 3000-6000 time, and the average life span in the standard life test will reduce more than half; If realize abundant pipeline start up by preheating, then the switch life of lamp can reach more than 20,000 times, and average life span prolongs one to two times.
Existing preheat starting circuit adopts semistor (PTC) usually; There is certain defective; Such as these circuit additional power consumption is arranged, behind the lamp tube starting, PTC self still flows through electric current; The product of corresponding different capacity will consume the power of 0.5W-1.5W, whole light is imitated descend.And because the existence of additional power consumption, behind the lamp tube starting, PTC is keeping higher temperature always raises the temperature in the electronic circuit control board housing, with the failure rate that increases whole lamp, shortens the useful life of electric ballast and whole lamp; Simultaneously, the long-term high febrile state of PTC self makes its reliability decrease.Powerful fluorescent tube during these circuit can't be applicable to, when using the preheating of 40W fluorescent tube, because the thermal capacity of PTC is less than normal, the warm-up time of its generation is too short and preheating is insufficient, and effect is bad.
The PTC that some no power consumptions are arranged on the market now, promptly so-called " intelligence " PTC, though can accomplish not have power consumption, electric property malleable behind the multiple switching, failure rate is higher; Because its power capacity is very limited, especially is not suitable for high-power ultra-violet lamp.
The utility model content
In order to overcome the deficiency of prior art, the purpose of the utility model is to provide a kind of hot cathode ultra-violet lamp that contains preheat starting circuit, and the warm of a no energy consumption is provided when fluorescent tube starts, and increases the switch life of fluorescent tube.
The technical scheme that the utility model is taked is:
A kind of hot cathode ultra-violet lamp that starts the life-span of growing; Comprise the quartz ultraviolet ray fluorescent tube that is filled with mercury and inert gas, the hot cathode that is coated with the electronics powder and lamp holder; Be fixed with the lamp base that connects said hot cathode and external power source on the said lamp holder; Be in series with startup electric capacity between the said hot cathode; Also be provided with the no power consumption preheat starting circuit of forming by pressure-sensitive discharge switch and the delay switch of series connection in the said lamp holder, connect between the said hot cathode after said no power consumption preheat starting circuit and the parallel connection of said startup electric capacity.
As a kind of improvement of above technical scheme, the said quartz ultraviolet ray fluorescent tube H shape fluorescent tube that two fluorescent tubes are formed by connecting of serving as reasons is equipped with hot cathode in each fluorescent tube, and a shared lamp holder, and said no power consumption preheat starting circuit is connected between the said hot cathode.
A kind of improvement as above technical scheme; Said quartz ultraviolet ray fluorescent tube is a straight tube shape; Its two ends are equipped with hot cathode and lamp holder; Wherein have only a lamp holder to be provided with lamp base, said filament is connected with said lamp base after two outside strip metal seal wires of said quartz ultraviolet ray fluorescent tube are connected in series through being located at, and said no power consumption preheat starting circuit is connected between the said hot cathode.
A kind of improvement as above technical scheme; Said quartz ultraviolet ray fluorescent tube is a straight tube shape; Its two ends are equipped with hot cathode and lamp holder, are equipped with the lamp base that is connected with said hot cathode respectively on the said lamp holder, and said no power consumption preheat starting circuit is connected between the said hot cathode.
A kind of improvement as above technical scheme; Said quartz ultraviolet ray fluorescent tube is a straight tube shape; Its two ends are equipped with hot cathode and lamp holder; Wherein have only an end lamp holder to be provided with the lamp base that is connected respectively with said hot cathode, wherein the filament of the other end is connected with said lamp base through being located at two outside strip metal seal wires of said quartz ultraviolet ray fluorescent tube, and said no power consumption preheat starting circuit is connected between the said hot cathode.
As a kind of improvement of above technical scheme, said delay switch is a thermistor.
As a kind of improvement of above technical scheme, said no power consumption preheat starting circuit can include electric capacity series connection and that be used to adjust the preheat curent size.
The beneficial effect of the utility model is:
The utility model proposed a kind ofly grows the preheat starting circuit that the hot cathode ultra-violet lamp that starts the life-span contains a no power consumption of being made up of pressure-sensitive discharge switch and delay switch; When ultra-violet lamp started, the pressure sensitive switch rapid closing made electric current flow through filament and preheating filament through pressure-sensitive discharge switch and the delay switch that is communicated with; After about 1-2 seconds; Delay switch breaks off because of the moving time-delay of the heat of being heated, and ultra-violet lamp is lighted, and pressure sensitive switch is no longer closed.Fluorescent tube has just been realized starting the ideal effect of zero-power after the first preheating, and has advantages such as reliability height, the life-span is long, cost is lower.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Fig. 1 is the structural representation of an embodiment of the utility model;
Fig. 2 is the structural representation of another embodiment of the utility model;
Fig. 3 is the structural representation of the 3rd embodiment of the utility model;
Fig. 4 is the structural representation of the 4th embodiment of the utility model;
Fig. 5 is an embodiment of no power consumption preheat starting circuit in the utility model.
Embodiment
With reference to Fig. 1,2,3 and 4; The utility model provides a kind of long hot cathode ultra-violet lamp that starts the life-span that has; It comprises quartz ultraviolet ray fluorescent tube 1 and lamp holder 3, is filled with mercury and inert gas in the fluorescent tube 1, and is provided with the hot cathode 2 that is coated with the electronics powder; Be fixed with the lamp base 4 that connects hot cathode 2 and external power source simultaneously on the lamp holder 3, also be in series with startup electric capacity 5 on the hot cathode 2 as an electric ballast part.The innovation part of the utility model is also to be integrated with in the lamp holder 3 no power consumption preheat starting circuit, and this circuit is made up of pressure-sensitive discharge switch that is connected in series with filament 6 and delay switch 7, and connects with hot cathode 2 with startup electric capacity 5 parallel connection backs.In following examples, said delay switch 7 all adopts thermistor.
In an embodiment shown in Figure 1; The ultra-violet lamp that the utility model proposed adopts the design of H shape fluorescent tube; Be the quartz ultraviolet ray fluorescent tube 1 H shape that two fluorescent tubes are formed by connecting of serving as reasons, be equipped with hot cathode 2 in each fluorescent tube 1, and a shared lamp holder 3; Said no power consumption preheat starting circuit series connection inserts between two hot cathode 2, and is placed within the lamp holder 3.
In another embodiment shown in Figure 2; Quartz ultraviolet ray fluorescent tube 1 is a straight tube shape; Its two ends are equipped with hot cathode 2 and lamp holder 3, are connected with said lamp base 4 after said quartz ultraviolet ray fluorescent tube 1 two outside strip metal seal wires are connected in series through being located at but have only one of them lamp holder 3 to be provided with 4, two filaments 2 of a pair of lamp base; Said no power consumption preheat starting circuit is connected equally and is inserted between two hot cathode 3, and is placed in the lamp holder 3 with starting electric capacity 5.
In the 3rd embodiment shown in Figure 3; Quartz ultraviolet ray fluorescent tube 1 is similarly straight tube shape; Its two ends are equipped with hot cathode 2 and lamp holder 3; Be equipped with lamp base 4 on the said lamp holder 3, said lamp base 4 is connected with corresponding hot cathode 2 respectively, and said no power consumption preheat starting circuit is connected between two hot cathode through fluorescent tube 1 outside lead (not showing in the accompanying drawings).
In the 4th embodiment shown in Figure 4; Quartz ultraviolet ray fluorescent tube 1 is similarly straight tube shape; Its two ends are equipped with hot cathode 2 and lamp holder 3; Wherein have only an end lamp holder 3 to be provided with two pairs of lamp bases 4 that are connected respectively with said hot cathode 2, wherein the filament 2 of the other end is connected with lamp base 4 through being located at said quartz ultraviolet ray fluorescent tube 1 two outside strip metal seal wires, and said no power consumption preheat starting circuit is connected between the said hot cathode 2.
The pressure-sensitive discharge switch 6 that in the utility model, is adopted is one and has two pellet electrodes and inert gas filled discharge tube; Glow discharge produces the bombardment of cation to electrode between said two pellet electrodes when the discharge tube two ends apply the voltage above its keep-alive voltage; Electrode temperature is raise produce thermal deformation; Finally make the connection of two electric pole short circuits and stop discharge, temperature is corresponding to descend gradually, and electrode breaks off behind special time.If its voltage is less than its keep-alive voltage at this moment, this pressure sensitive switch will keep breaking off.The utility model then utilizes this principle to realize the pipeline start up by preheating of no power consumption; In above-mentioned several embodiment, when ultra-violet lamp started, the voltage that should apply was greater than the keep-alive voltage of pressure-sensitive discharge switch 6; Its rapid closing; Make electric current flow through filament preheating heat negative electrode 3 through the pressure-sensitive discharge switch 6 that is communicated with delay switch 7 (it is thermistor in this embodiment), after about 1-2 seconds, said thermistor 7 breaks off because of the moving time-delay of the heat of being heated; Ultra-violet lamp is lighted, and pressure-sensitive discharge switch 6 is no longer closed because of can not get enough keep-alive voltages.Fluorescent tube has just been realized starting the ideal effect of zero-power after the first preheating, and has advantages such as reliability height, the life-span is long, cost is lower.
When specific embodiment, can in said no power consumption preheat starting circuit, add the electric capacity 8 of a series connection, can realize that its circuit can be referring to Fig. 5 to the adjustment of preheat curent size.
The above be the utility model preferred embodiment, it does not constitute the restriction to the utility model protection range, so long as realize that with essentially identical means the purpose of the utility model all should belong to the protection range of the utility model.
Claims (7)
1. one kind long hot cathode ultra-violet lamp that starts the life-span; Comprise the quartz ultraviolet ray fluorescent tube (1) that is filled with mercury and inert gas, the hot cathode (2) that is coated with the electronics powder and lamp holder (3); Be fixed with the lamp base (4) that connects said hot cathode (2) and external power source on the said lamp holder (3); Be in series with between the said hot cathode (2) and start electric capacity (5); It is characterized in that: also be provided with the no power consumption preheat starting circuit of being formed by pressure-sensitive discharge switch (6) and the delay switch (7) of series connection in the said lamp holder (3), said no power consumption preheat starting circuit with connect between the said hot cathode (2) after said startup electric capacity (5) is parallelly connected.
2. a kind of hot cathode ultra-violet lamp that starts the life-span of growing according to claim 1; It is characterized in that: said quartz ultraviolet ray fluorescent tube (1) the H shape fluorescent tube that two fluorescent tubes are formed by connecting of serving as reasons; Be equipped with hot cathode (2) in each fluorescent tube; And a shared lamp holder (3), said no power consumption preheat starting circuit is connected between the said hot cathode (2).
3. a kind of hot cathode ultra-violet lamp that starts the life-span of growing according to claim 1; It is characterized in that: said quartz ultraviolet ray fluorescent tube (1) is straight tube shape; Its two ends are equipped with hot cathode (2) and lamp holder (3); Wherein have only a lamp holder (3) to be provided with lamp base (4); Said filament (2) is connected with said lamp base (4) after two outside strip metal seal wires of said quartz ultraviolet ray fluorescent tube (1) are connected in series through being located at, and said no power consumption preheat starting circuit is connected between the said hot cathode (2).
4. a kind of hot cathode ultra-violet lamp that starts the life-span of growing according to claim 1; It is characterized in that: said quartz ultraviolet ray fluorescent tube (1) is straight tube shape; Its two ends are equipped with hot cathode (2) and lamp holder (3); Be equipped with the lamp base (4) that is connected with said hot cathode (2) respectively on the said lamp holder (3), said no power consumption preheat starting circuit is connected between the said hot cathode (2).
5. a kind of hot cathode ultra-violet lamp that starts the life-span of growing according to claim 1; It is characterized in that: said quartz ultraviolet ray fluorescent tube (1) is straight tube shape; Its two ends are equipped with hot cathode (2) and lamp holder (3); Wherein have only an end lamp holder (3) to be provided with the lamp base (4) that is connected respectively with said hot cathode (2); Wherein the filament of the other end (2) is connected with said lamp base (4) through being located at two outside strip metal seal wires of said quartz ultraviolet ray fluorescent tube (1), and said no power consumption preheat starting circuit is connected between the said hot cathode (2).
6. according to arbitrary described a kind of hot cathode ultra-violet lamp that starts the life-span of growing in the above claim, it is characterized in that: said delay switch (7) is a thermistor.
7. according to arbitrary described a kind of hot cathode ultra-violet lamp that starts the life-span of growing in the above claim, it is characterized in that: said no power consumption preheat starting circuit can include electric capacity (8) series connection and that be used to adjust the preheat curent size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202666019U CN202168263U (en) | 2011-07-26 | 2011-07-26 | Hot cathode ultraviolet lamp with long starting service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202666019U CN202168263U (en) | 2011-07-26 | 2011-07-26 | Hot cathode ultraviolet lamp with long starting service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202168263U true CN202168263U (en) | 2012-03-14 |
Family
ID=45804064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202666019U Expired - Fee Related CN202168263U (en) | 2011-07-26 | 2011-07-26 | Hot cathode ultraviolet lamp with long starting service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202168263U (en) |
-
2011
- 2011-07-26 CN CN2011202666019U patent/CN202168263U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20120314 Termination date: 20160726 |