CN201490156U - Cold cathode lamp tube and cylindrical transformer thereof - Google Patents
Cold cathode lamp tube and cylindrical transformer thereof Download PDFInfo
- Publication number
- CN201490156U CN201490156U CN2009201569620U CN200920156962U CN201490156U CN 201490156 U CN201490156 U CN 201490156U CN 2009201569620 U CN2009201569620 U CN 2009201569620U CN 200920156962 U CN200920156962 U CN 200920156962U CN 201490156 U CN201490156 U CN 201490156U
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- transformer
- cold cathode
- fluorescent lamp
- cold
- voltage output
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Abstract
The utility model relates to a cold cathode lamp tube comprising a diaphanous carrier, a cold cathode tube and a transformer. The diaphanous carrier is provided with a containing space and an opening end; the cold cathode tube is arranged in the containing space of the diaphanous carrier and provided with a tube body and two electrodes; the two electrodes are respectively arranged at the end parts of the tube body; the appearance of the transformer corresponds to the opening end and is arranged at the opening end; and the transformer is provided with two low-pressure input ends and two high-pressure output ends which are electrically connected with the two low-pressure input ends and the two electrodes. Accordingly, the utility model can prolong the effective lighting area of the cold cathode lamp tube and enhance the illumination brightness. The utility model also provides a cylindrical transformer of the cold cathode lamp tube.
Description
Technical field
It is a kind of cold cathode fluorescent lamp and cylindric transformer thereof that the utility model relates to, and refers to a kind of cold cathode fluorescent lamp and cylindric transformer thereof that can effectively increase brightness of illumination especially.
Background technology
Cold-cathode tube (Cold Cathode Fluorescent Lamp, CCFL), be mainly used in the backlight of liquid crystal, be the electronic impact mercury (or using xenon) that utilizes electrode to penetrate, excite mercury to make it discharge ultraviolet ray, ultraviolet irradiation becomes visible light to the fluorescent material that is coated in printing opacity carrier inwall, and is simple in structure because of it, so can be the fluorescent tube of very thin type.The difference of cold-cathode tube and general fluorescent lamp maximum is: the electrode of cold-cathode tube is not to use the glowing filament heating to cause thermionic emission, so general fluorescent lamp is referred to as thermionic-cathode tube (Hot Cathode Fluorescent Lamp, HCFL), and the electrode structure of thermionic-cathode tube can't miniaturization, so be mainly used on the high-power fluorescent tube; On the other hand, because cold-cathode tube has thin type, the life-span is long, volume is little, power is low, electric stable properties, purposes is extensive day by day.
See also Fig. 1, known cold cathode fluorescent lamp includes: a printing opacity carrier 1a, a cold-cathode tube 2a, a transformer 3a, a printed circuit board (PCB) 4a, a capping 5a, two lead 6a and a power connection 7a, this cold-cathode tube 2a and printed circuit board (PCB) 4a are placed in the inside of printing opacity carrier 1a.This cold-cathode tube 2a has two electrode 21a, and this two electrode 21a is welded on the printed circuit board (PCB) 4a.This transformer 3a also is welded on the printed circuit board (PCB) 4a.This capping 5a is covered on the end of printing opacity carrier 1a, and in order to the protection intraware, the end of this two lead 6a is to be electrically connected at printed circuit board (PCB) 4a, and the other end is to pass capping 5a to stretch out and be provided with power connection 7a, in order to connect power supply.
But, the driving cold cathode fluorescent lamp need connect the power supply of tool high tension voltage (being generally kilovolt) when luminous, and therefore only 110 volts or 220 volts of the voltages of our general mains supply must utilize transformer 3a that the voltage transitions of mains supply is become high tension voltage.Transformer 3a and printed circuit board (PCB) 4a are rectangular body, when transformer 3a and printed circuit board (PCB) 4a are installed in the inside of printing opacity carrier 1a, certainly will occupy considerable space, relative, under the inner limited space of printing opacity carrier 1a, the length of cold-cathode tube 2a is inevitable limited, and then influences the size and the brightness of illumination of luminous zone.
The utility model content
The main purpose of this creation provides a kind of cold cathode fluorescent lamp and cylindric transformer thereof, and its structural design can make effective luminous zone of cold cathode fluorescent lamp elongated, increases brightness of illumination.
In order to reach above-mentioned purpose, this creation provides a kind of cold cathode fluorescent lamp, includes: a printing opacity carrier, and it has an accommodation space and an openend; One cold-cathode tube, it is located in the accommodation space of this printing opacity carrier, and this cold-cathode tube has a body and two electrodes, and this two electrode is located at the end of this body; An and transformer, its profile corresponds to this openend and is located at this openend, this transformer is provided with two low pressure inputs and two high-voltage output ends, and this two low pressure input is electrically connected at this two high-voltage output end, and this two high-voltage output end is electrically connected at this two electrode.
This creation provides a kind of cold cathode fluorescent lamp cylindric transformer in addition, includes: an insulation shell, its profile are to be cylindric; Two low pressure inputs, it is convexly set in a side of this insulation shell; And two high-voltage output ends, it is convexly set in the relative another side of this insulation shell, and this two low pressure input is electrically connected at this two high-voltage output end.
This creation has following useful effect: this creation utilizes the profile of transformer to correspond to this openend, and be located at this open end, two low pressure inputs of this transformer electrically connect two high-voltage output ends, this two high-voltage output end is convexly set in the medial surface of insulation shell and directly is electrically connected at two electrodes of cold-cathode tube, this two low pressure input is convexly set in the lateral surface of insulation shell and can connects mains supply, compared to known cold cathode fluorescent lamp, can replace printed circuit board (PCB) and capping are set, enlarge the accommodation space in the printing opacity carrier, make the body length of cold-cathode tube can be designed to longer size, effectively the luminous zone is elongated, increases brightness of illumination.
For making feature and the technology contents of further understanding this creation, see also following detailed description and accompanying drawing relevant for this creation, yet the accompanying drawing that is provided only for reference with explanation usefulness, be not to be used for this is created in addition limitr.
Description of drawings
Fig. 1: the stereogram that is known cold cathode fluorescent lamp.
Fig. 2: the stereogram that is this creation cold cathode fluorescent lamp.
Fig. 3: the three-dimensional exploded view that is this creation cold cathode fluorescent lamp.
Fig. 4: the stereogram that is the cylindric transformer of this creation cold cathode fluorescent lamp.
Symbol description
[known]
1a printing opacity carrier 2a cold-cathode tube
4a printed circuit board (PCB) 5a capping
[this creation]
1 printing opacity carrier, 11 accommodation spaces
12 openends, 2 cold-cathode tubes
21 electrodes, 22 bodys
3 transformers, 30 insulation shells
31 low pressure inputs, 32 high-voltage output ends
Embodiment
See also Fig. 2 to Fig. 4, the utility model provides a kind of cold cathode fluorescent lamp, include: a printing opacity carrier 1, a cold-cathode tube 2 and a transformer 3, in the present embodiment, this printing opacity carrier 1 is a cylindrical hollow light-permeable housing, and inside is provided with an accommodation space 11, the end sealing of printing opacity carrier 1, the other end has an openend 12, and the cross section of this openend 12 ringwise.
This cold-cathode tube 2 is located in the printing opacity carrier 1, in the present embodiment, this cold-cathode tube 2 is the U type, have two electrodes 21 and a body 22, this two electrode 21 is convexly set in the end of body 22, body 22 is effective luminous zone of cold cathode fluorescent lamp, and the inside of body 22 is enclosed mercury and inert gas (figure does not show), and inwall is coated with fluorescent material (figure does not show).
In the present embodiment, transformer 3 has an insulation shell 30, two low pressure inputs 31 and two high-voltage output ends 32, the profile of this insulation shell 30 is cylindric, inside is wound with wire coil (figure does not show), formation is in order to the circuit of booster tension, the profile of this transformer 3 is slightly less than openend 12, and corresponds to openend 12, and envelope is located at openend 12 places.Transformer 3 utilizes its insulation shell 3
0 outer rim is equipped with most screw threads, and openend 12 relative printing opacity carrier 1 inwalls are equipped with corresponding screw thread, makes transformer 3 itself can establish and be sealed in openend 12 places by spiral shell.This two low pressure input 31 and two high-voltage output ends 32 are the pin of transformer 3, and the coil with transformer 3 inside electrically connects respectively, makes two low pressure inputs 31 also be electrically connected at two high-voltage output ends 32.This two low pressure input 31 is convexly set in the lateral surface of insulation shell 30, can connect mains supply, this two high-voltage output end 32 is convexly set in the medial surface of insulation shell 30, and two high-voltage output ends 32 are welded in this two electrode 21, reaching electric connection, can be the high tension voltage that can drive cold cathode fluorescent lamp with the voltage transitions of mains supply by this.
The utility model provides a kind of cold cathode fluorescent lamp cylindric transformer in addition, includes an insulation shell 30, two low pressure inputs 31 and two high-voltage output ends 32, and its architectural feature is approximately identical to above-mentioned explanation, just repeats no more at this.
The utility model utilizes the cylindrical outer shape of the insulation shell 30 of transformer 3 to correspond to the ringwise openend 12 of cross section, and envelope is located at openend 12 places, two high-voltage output ends 32 of this transformer 3 are convexly set in the medial surface of insulation shell 30 and directly are electrically connected at two electrodes 21 of cold-cathode tube 2, this two low pressure input 31 is convexly set in the lateral surface of insulation shell 30 and can connects a mains supply (figure does not show), compared to known cold cathode fluorescent lamp, can replace printed circuit board (PCB) and capping are set, save printed circuit board (PCB) and the shared volume of capping, enlarge the accommodation space 11 in the printing opacity carrier 1, make body 22 length of cold-cathode tube 2 can be designed to longer size, effectively the luminous zone is elongated, increases brightness of illumination.
But; the above is a preferable possible embodiments of the present utility model, and is non-so promptly limit to protection range of the present utility model, so the equivalent structure that uses the utility model specification and accompanying drawing content to do such as changes; all in like manner be contained in the scope of the present utility model, close and give Chen Ming.
Claims (6)
1. a cold cathode fluorescent lamp is characterized in that, includes:
One printing opacity carrier, it has an accommodation space and an openend;
One cold-cathode tube, it is located in the accommodation space of this printing opacity carrier, and this cold-cathode tube has a body and two electrodes, and this two electrode is located at the end of this body; And
One transformer, its profile correspond to this openend and are located at this openend, and this transformer is provided with two low pressure inputs and two high-voltage output ends, and this two low pressure input is electrically connected at this two high-voltage output end, and this two high-voltage output end is electrically connected at this two electrode.
2. cold cathode fluorescent lamp according to claim 1 is characterized in that, the cross section of this openend in the form of a ring, this transformer is cylindric.
3. cold cathode fluorescent lamp according to claim 1 is characterized in that, this two low pressure input is convexly set in the lateral surface of this transformer, and this two high-voltage output end is convexly set in the medial surface of transformer.
4. cold cathode fluorescent lamp according to claim 1 is characterized in that, this transformer spiral shell is located at an end of this printing opacity carrier.
5. the cylindric transformer of cold cathode fluorescent lamp is characterized in that, includes:
One insulation shell, its profile are to be cylindric;
Two low pressure inputs, it is convexly set in a side of this insulation shell; And
Two high-voltage output ends, it is convexly set in the relative another side of this insulation shell, and this two low pressure input is electrically connected at this two high-voltage output end.
6. the cylindric transformer of cold cathode fluorescent lamp according to claim 5 is characterized in that, the outer rim of this insulation shell is equipped with most screw threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201569620U CN201490156U (en) | 2009-06-11 | 2009-06-11 | Cold cathode lamp tube and cylindrical transformer thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201569620U CN201490156U (en) | 2009-06-11 | 2009-06-11 | Cold cathode lamp tube and cylindrical transformer thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201490156U true CN201490156U (en) | 2010-05-26 |
Family
ID=42429023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201569620U Expired - Fee Related CN201490156U (en) | 2009-06-11 | 2009-06-11 | Cold cathode lamp tube and cylindrical transformer thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201490156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242048A (en) * | 2014-10-09 | 2014-12-24 | 西安炬光科技有限公司 | Packaging structure of conduction-cooled stack semiconductor laser |
| CN104992774A (en) * | 2015-06-01 | 2015-10-21 | 浙江建林电子电气股份有限公司 | Variable voltage cable |
-
2009
- 2009-06-11 CN CN2009201569620U patent/CN201490156U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242048A (en) * | 2014-10-09 | 2014-12-24 | 西安炬光科技有限公司 | Packaging structure of conduction-cooled stack semiconductor laser |
| CN104242048B (en) * | 2014-10-09 | 2017-02-15 | 西安炬光科技有限公司 | Packaging structure of conduction-cooled stack semiconductor laser |
| CN104992774A (en) * | 2015-06-01 | 2015-10-21 | 浙江建林电子电气股份有限公司 | Variable voltage cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20100526 Termination date: 20120611 |