CN201229918Y - Low voltage discharge lamp - Google Patents
Low voltage discharge lamp Download PDFInfo
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- CN201229918Y CN201229918Y CNU2008200065792U CN200820006579U CN201229918Y CN 201229918 Y CN201229918 Y CN 201229918Y CN U2008200065792 U CNU2008200065792 U CN U2008200065792U CN 200820006579 U CN200820006579 U CN 200820006579U CN 201229918 Y CN201229918 Y CN 201229918Y
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- discharge tube
- low
- discharge lamp
- filament
- parallel
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Abstract
The utility model discloses a low-voltage discharge lamp which relates to a low-voltage discharge lamp with filaments and comprises a discharge tube (1). The low-voltage discharge lamp is characterized in that the internal parts of two ends of the discharge tube are respectively provided with a plurality of parallel filaments; and the plurality of parallel filaments are separated at a certain distance along the direction of a central axis (2) of the discharge tube. The utility model has the characteristics of low filament power consumption and long service life and the like.
Description
Technical field
The utility model relates to a kind of discharge lamp, particularly a kind of low-pressure discharge lamp with filament.
Background technology
Low-pressure discharge lamp with filament is a called optical imaging, and in the past few decades, the particularly various low-voltage fluorescent lamps with filament of this low-pressure discharge lamp have obtained using widely, and have obtained the coml immense success.This low-pressure discharge lamp with filament contains the mercury and the inert gas of few dosage at its discharge tube, respectively be provided with a filament in the inside, two ends of its discharge tube, just can obtain ultraviolet light when electrical discharge arc occurring in discharge tube, this ultraviolet light can be converted to visible light by the fluoresent coating that is arranged on the discharge tube inwall.
The life-span of this existing low-pressure discharge lamp is shorter, and its life-span depends primarily on the life-span of filament, fracture occurs in case be arranged on a filament of inside, discharge tube two ends, and the life-span of its low-pressure discharge lamp is termination just; In addition, because filament is a resistance element, and along with the resistance value of its filament of rising of temperature rises very soon, and this existing low-pressure discharge lamp is in the burning-point process, the temperature of its filament is very high, and its resistance value rises very highly, must produce very big loss, its loss generally reaches more than 10% of gross power, has caused huge energy waste.
Therefore, the life-span of the power loss of minimizing filament and prolongation low-pressure discharge lamp has become the technical problem that must solve.
Summary of the invention
The purpose of this utility model is that a kind of new having low-pressure discharge lamp that filament is low in energy consumption, the life-span is long will be provided.
In order to achieve the above object, the utility model adopts following technical scheme: according to the utility model, a kind of low-pressure discharge lamp, it comprises discharge tube, it is characterized in that, described discharge tube all is provided with a plurality of filaments parallel with one another in its inside, two ends, and a plurality of filament parallel with one another is in the certain spacing of all being separated by along the direction of discharge tube central shaft.
Described a plurality of filament parallel with one another all is arranged in parallel usually.
The number of described filament parallel with one another generally is chosen to be 2 or 3; Number at the inner set filament parallel with one another in the two ends of discharge tube equates usually.
The spacing that described a plurality of filament parallel with one another is separated by at central axis direction is usually between the 4mm to 30mm.
The shape of described discharge tube can be varied, it can be straight tube shape discharge tube, can be U-shaped discharge tube (as single U-shaped discharge tube, dual U-shaped discharge tube, 3U shape discharge tube), also can helical discharge tube (as single-screw shape discharge tube, Double-spiral discharge tube), can also be other shape.
In order to obtain the fluorescence that general lighting is used, can on the inwall of described discharge tube, fluoresent coating be set; In order to obtain ultraviolet light, fluoresent coating is not set on the inwall of described discharge tube.
Include mercury and inert gas in described discharge tube, the mercury here can be liquid mercury, also can be solid-state mercury (as amalgam).
The utlity model has following good effect:
Discharge lamp of the present utility model, because the inside at each end of discharge tube all is provided with a plurality of filaments parallel with one another, and these filaments parallel with one another are in the certain spacing of all being separated by along the direction of discharge tube central shaft, arc discharge in the discharge tube concentrates between a pair of filament away from the discharge tube two ends like this, this a pair of filament temperature is higher, its resistance value is also bigger, except that this a pair of filament, the temperature of other filament is lower, its corresponding resistance value is also less, when discharge tube discharge work, two ends in discharge tube all have the lower filament of higher filament of temperature and temperature to be in state in parallel, therefore the all-in resistance of its filament is less, and compared with prior art, the total power consumption of its filament significantly reduces; In addition, because the certain spacing of being separated by is provided with these filaments parallel with one another, after a certain filament appearance fracture wherein, discharge lamp of the present utility model still can normally start work, has improved its life-span greatly.In fact, its manufacture craft of filament parallel with one another is simple, and its cost increase seldom but makes the performance of discharge lamp be greatly improved.
Description of drawings
Fig. 1 is an embodiment of discharge lamp of the present utility model;
Fig. 2 has showed second embodiment of discharge lamp of the present utility model.
Embodiment
Fig. 1 is an embodiment of discharge lamp of the present utility model.Discharge lamp of the present utility model, it comprises the discharge tube 1 of a U-shaped, in this discharge tube, be filled with mercury and inert gas argon (not marking among the figure), the inwall of discharge tube is provided with fluoresent coating (not marking among the figure), two conductors 3 at discharge tube one end, be provided with 3 filament A1 parallel with one another on 4, A2, A3, these 3 filaments are in the certain spacing of all being separated by along the direction of discharge tube central shaft 2, two conductors 5 at the other end of discharge tube, be provided with 3 filament B1 parallel with one another in addition on 6, B2, B3, these 3 filaments are in the certain spacing of also all being separated by along the direction of discharge tube central shaft 2.
When power control circuit (not drawing among the figure) makes this discharge tube that discharge take place for this discharge tube power supply, electrical discharge arc concentrates on a pair of filament A1 away from the discharge tube two ends, between the B1, this a pair of filament A1, its temperature of B1 is higher, corresponding resistance value is also bigger, and other filament A2, A3, B2, B3 is not because in the electrical discharge arc district, its temperature is lower, corresponding resistance value is also less, because 3 filament A1, A2, A3 is a relation in parallel, the all-in resistance of its filament is less, same 3 filament B1 in addition, B2, B3 also is a relation in parallel, and the all-in resistance of its filament is also less, so the total power consumption of filament is lower; During discharge lamp discharge work, bigger in addition away from a pair of filament A1, its spillage of material of B1 at discharge tube two ends, fracture easily, if filament A1 or B1 rupture, because also have other filament in parallel, its discharge lamp can start and operate as normal, thereby has prolonged the life-span of discharge lamp greatly in the same old way.
In this embodiment, when discharge took place discharge tube, the ultraviolet light that is produced was converted into visible light by the fluoresent coating that is arranged on the discharge tube inwall, and this is a kind of low-voltage fluorescent lamp.If fluoresent coating is not set on the inwall of discharge tube, this is a kind of ultra-violet lamp.
Fig. 2 shows second embodiment of discharge lamp of the present utility model.Discharge lamp of the present utility model comprises Double-spiral discharge tube 1, control circuit 8 and lamp socket 7, and control circuit 8 is arranged in the lamp socket 7, and Double-spiral discharge tube 1 two ends and lamp socket 7 are fixing, the discharge work of control circuit 8 control Double-spiral discharge tubes 1; In Double-spiral discharge tube 1, be filled with mercury and inert gas argon (not marking among the figure), the inwall of Double-spiral discharge tube is provided with fluoresent coating (not marking among the figure), be provided with 2 filament A1, A2 parallel with one another in an end inside of Double-spiral discharge tube 1, these 2 filaments are in the spacing of being separated by along the direction of discharge tube central shaft, be provided with 2 filament B1, B2 parallel with one another in addition in the other end inside of Double-spiral discharge tube 1, these 2 filaments are in the spacing of also being separated by along the direction of discharge tube central shaft.Characteristics such as this is a kind of compact fluorescent lamp with Double-spiral discharge tube, and it has, and filament is low in energy consumption, the life-span is long.
Although showed and described and thought preferred embodiment of the present utility model at present, apparent, those skilled in the art can carry out various changes and improvements, and does not deviate from the scope of the present utility model that is limited by appended claims.
Claims (10)
1, a kind of low-pressure discharge lamp, it comprises discharge tube (1), it is characterized in that described discharge tube all is provided with a plurality of filaments parallel with one another in its inside, two ends, and a plurality of filament parallel with one another is in the certain spacing of all being separated by along the direction of discharge tube central shaft (2).
2,, it is characterized in that described a plurality of filaments parallel with one another all are arranged in parallel as the low-pressure discharge lamp that claim 1 limited.
3,, it is characterized in that the number of described filament parallel with one another is 2 as the low-pressure discharge lamp that claim 1 limited.
4,, it is characterized in that the number of described filament parallel with one another is 3 as the low-pressure discharge lamp that claim 1 limited.
5, as the low-pressure discharge lamp that claim 1 limited, it is characterized in that, equal in the number of the inner set filament parallel with one another in the two ends of described discharge tube.
6, as the low-pressure discharge lamp that claim 1 limited, it is characterized in that, described a plurality of filaments parallel with one another in the spacing of being separated by along central axis direction between the 4mm to 30mm.
7,, it is characterized in that described discharge tube is a straight tube shape discharge tube as the low-pressure discharge lamp that one of claim 1 to 6 limited.
8,, it is characterized in that described discharge tube is the U-shaped discharge tube as the low-pressure discharge lamp that one of claim 1 to 6 limited.
9,, it is characterized in that described discharge tube is a helical discharge tube as the low-pressure discharge lamp that one of claim 1 to 6 limited.
10,, it is characterized in that described discharge tube wall within it is provided with fluoresent coating as the low-pressure discharge lamp that one of claim 1 to 6 limited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200065792U CN201229918Y (en) | 2008-02-25 | 2008-02-25 | Low voltage discharge lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200065792U CN201229918Y (en) | 2008-02-25 | 2008-02-25 | Low voltage discharge lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201229918Y true CN201229918Y (en) | 2009-04-29 |
Family
ID=40634860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200065792U Expired - Fee Related CN201229918Y (en) | 2008-02-25 | 2008-02-25 | Low voltage discharge lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201229918Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108780731A (en) * | 2016-02-23 | 2018-11-09 | 木质部知识产权管理有限责任公司 | Low pressure UV radiator with multiple filaments |
-
2008
- 2008-02-25 CN CNU2008200065792U patent/CN201229918Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108780731A (en) * | 2016-02-23 | 2018-11-09 | 木质部知识产权管理有限责任公司 | Low pressure UV radiator with multiple filaments |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Ren Wenhua Document name: Notification of patent rights granted to utility models and formalities for registration |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 |