CN1211831C - Safe single-ended halogen tungsten lamp - Google Patents
Safe single-ended halogen tungsten lamp Download PDFInfo
- Publication number
- CN1211831C CN1211831C CN 02155137 CN02155137A CN1211831C CN 1211831 C CN1211831 C CN 1211831C CN 02155137 CN02155137 CN 02155137 CN 02155137 A CN02155137 A CN 02155137A CN 1211831 C CN1211831 C CN 1211831C
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- bead
- filament
- glass bead
- single end
- tungsten halogen
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to a safe single-end halogen tungsten lamp bulb which overcomes the disadvantage of poor safety performance of the existing single-end halogen tungsten lamp bulb by improving the structural shape of a glass bead support frame. The glass bead support frame of the safe single-end halogen tungsten lamp bulb is only composed of a glass bead or a plurality of added support frame filaments fixed to the glass bead, wherein both ends of the glass bead are respectively and fixedly connected with the inner wall of a bulb envelope; the middle part of a lamp filament is supported and stabilized by the glass bead or the support frame filaments on the glass bead, and both ends of the lamp filament are respectively, orderly and electrically connected with a molybdenum sheet and a molybdenum pin. Since the lamp filament is directly led out from the bulb envelope through the molybdenum sheet and the molybdenum pin, a conducting filament in the common single-end halogen tungsten lamp bulb is omitted. Continuous electric arcs are impossibly formed in the lamp bulb, and therefore, the safety performance of the safe single-end halogen tungsten lamp bulb is greatly improved.
Description
Technical field
The invention belongs to lighting technical field, be used for indoor and outdoor lighting.
Background technology
At present, known direct all kinds of single end tungsten halogen lamps in civil power work are to be made of cell-shell, filament, bead support, two molybdenum sheets, two molybdenum pin etc.; The bead support does not contact with cell-shell, it is made of a bead, two thicker seal wire and some scaffolding threads that are fixed on the bead that pass bead two ends, the scaffolding thread of bead support supports the filament mid portion firm, the two ends of filament are connected with two seal wires of bead support respectively, draw from an end of cell-shell through molybdenum sheet and molybdenum pin respectively again.Because filament two ends close together and work in the 220V high pressure again, easily cause arcing therebetween, the special electric arc that produces when filament blow can be shifted to the seal wire root rapidly, if this moment, electric arc can not extinguish rapidly, arc energy is the seal wire scorification, even seal wire is burnt till metal vapors, because seal wire is thicker, more metal vapors can make the cell-shell internal gas pressure sharply increase, thereby causes the cell-shell blast.As seen, known single end tungsten halogen lamp security performance is relatively poor.
Summary of the invention
In order to overcome the existing relatively poor deficiency of single end tungsten halogen lamp security performance, the invention provides the preferable single end tungsten halogen lamp of a kind of security performance.
The present invention for the technical scheme that solves its technical problem and adopt is, a kind of single end tungsten halogen lamp is provided, this bulb comprises cell-shell, filament, bead support, two molybdenum sheets and two molybdenum pin, the bead support supports the filament mid portion firm, the bead support comprises a bead, each is electrically connected the two ends of filament in proper order with a molybdenum sheet and a molybdenum pin, and described bead two ends extend to respectively and the fixing overlap joint of the inwall of cell-shell.
It is cylindric that the bead of described bead support can be, and also can be inverted T-shape.
Described bead support also can comprise the some scaffolding threads that are fixed on the described bead, and scaffolding thread supports filament firm.
The invention has the beneficial effects as follows: because the bead of bead support directly is fixed on the cell-shell, save two seal wires on the bead support, filament is directly drawn by molybdenum sheet, molybdenum pin.When filament blow, because electric field strength is the highest between filament pin, the electric arc that forms at breakpoint can shift between filament pin rapidly, because the wire foot of filament is very thin, its sectional area be the seal wire that is connected with wire foot in the existing single end tungsten halogen lamp 1/tens to one of percentage, even electric arc is with the metallic vapour quantity pettiness that its scorification produced, electric arc can not be kept, and will soon extinguish.Therefore, security performance of the present invention is more more reliable than known single end tungsten halogen lamp.
Simultaneously, the bead support can only be made of separately bead, by the direct supporting ﹠ stablizing filament of bead, can save scaffolding thread so again, makes that whole bulb is simple in structure, easily manufactured, cost is low.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is embodiment 1---bead is in the cell-shell middle part, contains the front view to the safe single end tungsten halogen lamp of the passive scaffolding thread of filament.
Fig. 2 is the end view of Fig. 1.
Fig. 3 is embodiment 2---bead is in cell-shell top, contains the structural representation of the safe single end tungsten halogen lamp of 3 scaffolding threads (front view)
Fig. 4 is embodiment 3---bead is in cell-shell top, contains the structural representation of the safe single end tungsten halogen lamp of 2 scaffolding threads (front view).
Fig. 5 is that embodiment 4---bead is inverted T-shaped, and filament directly passes or embed bead and the structural representation of the safe single end tungsten halogen lamp of fixing no scaffolding thread.
Fig. 6 is embodiment 5---bead is in cell-shell top or middle part, filament is suspended on or pass the structural representation (front view) of the fixing safe single end tungsten halogen lamp of bead.
Fig. 7 is embodiment 6---bead is in cell-shell top, filament is the front view of the safe single end tungsten halogen lamp of M shape.
Fig. 8 is the end view of Fig. 7.
Embodiment
As depicted in figs. 1 and 2, the safe single end tungsten halogen lamp of embodiment 1 is made of cell-shell 1, filament 2, bead support, molybdenum sheet 4 and molybdenum pin 5.The bead support is made of a cylindric bead 3 and 3 scaffolding threads 6 that are fixed on the bead 3, two ends of bead 3 and cell-shell 1 middle part inwall overlap, filament 2 is supported on the scaffolding thread 6, filament 2 two terminal filament pin respectively with two molybdenum sheet 4 spot welding, molybdenum pin 5 again with molybdenum sheet 4 spot welding.
As shown in Figure 3,3 scaffolding threads 6 of the bead support of embodiment 2 are in the below of bead 3, and bead 3 is in the upper end of cell-shell 1.Other is identical with embodiment 1.
As shown in Figure 4, the bead support of embodiment 3 includes two short scaffolding threads 6, filament 2 middle parts, these two short scaffolding thread hook jails.Other is identical with embodiment 1.
As shown in Figure 5, the bead 3 of embodiment 4 is inverted T-shaped, and two ends and cell-shell 1 inwall of the spreader of this inverted T-shaped are affixed, and no scaffolding thread on it, filament 2 directly embed or pass three pin of bead 3 and fix.Other is identical with embodiment 1.
As shown in Figure 6, the bead 3 of embodiment 5 is in cell-shell top or middle part, and no scaffolding thread on it, filament 2 are suspended on the bead 3 or pass bead 3 and fix.Other is identical with embodiment 1.
Shown in Fig. 7,8, the bead 3 of embodiment 6 is in cell-shell top, and scaffolding thread 6 one ends on the bead 3 stretch out below bead, will stretch tight into the filament 2 hook jails of M shape.Other is identical with embodiment 1.
According to the position of bead, the quantity of scaffolding thread and the difformity of shape and filament, multiple different combination embodiment can also be arranged, allly belong to the embodiment that the content that provides according to this specification can be known by inference, all implement in the scope of the invention.
Claims (8)
1. single end tungsten halogen lamp, comprise cell-shell (1), filament (2), bead support, two molybdenum sheets (4) and two molybdenum pin (5), described bead support supports filament (2) mid portion firm, described bead support comprises a bead (3), each is electrically connected the two ends of described filament (2) with a molybdenum sheet (4) and a molybdenum pin (5) order, and it is characterized in that: the two ends of described bead (3) are affixed with the inwall of cell-shell (1) respectively.
2. single end tungsten halogen lamp as claimed in claim 1 is characterized in that: the bead of described bead support (3) is cylindric.
3. single end tungsten halogen lamp as claimed in claim 1 is characterized in that: the bead of described bead support (3) is inverted T-shape.
4. single end tungsten halogen lamp as claimed in claim 1 is characterized in that: described bead support also comprises the some scaffolding threads (6) that are fixed on the described bead (3), and scaffolding thread (6) supports filament (2) firm.
5. single end tungsten halogen lamp as claimed in claim 4 is characterized in that: described scaffolding thread (6) has 2 or 3.
6. single end tungsten halogen lamp as claimed in claim 4 is characterized in that: described filament (2) is M shape.
7. as claim 1 or 2 or 4 described single end tungsten halogen lamps, it is characterized in that: described bead (3) is in the top of cell-shell (1).
8. as claim 1 or 2 or 4 described single end tungsten halogen lamps, it is characterized in that: described bead (3) is in the middle part of cell-shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02155137 CN1211831C (en) | 2002-12-10 | 2002-12-10 | Safe single-ended halogen tungsten lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02155137 CN1211831C (en) | 2002-12-10 | 2002-12-10 | Safe single-ended halogen tungsten lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1421896A CN1421896A (en) | 2003-06-04 |
| CN1211831C true CN1211831C (en) | 2005-07-20 |
Family
ID=4752570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02155137 Expired - Fee Related CN1211831C (en) | 2002-12-10 | 2002-12-10 | Safe single-ended halogen tungsten lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1211831C (en) |
-
2002
- 2002-12-10 CN CN 02155137 patent/CN1211831C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1421896A (en) | 2003-06-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUZHOU HEHUA LIGHTING ELECTRIC APPLIANCE CO., LTD Free format text: FORMER OWNER: HEGUANG LIGHTING ELECTRIC-APPLIANCE CO., LTD., HAINING Effective date: 20070406 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070406 Address after: 313009 Zhejiang Province, Huzhou city Nanxun District Road No. 8 and overseas investment Patentee after: Peace Lighting Co., Ltd. Address before: 314400 Zhejiang city of Haining province Xiashi Town Road No. 113 kip Patentee before: Haining Heguang Electrical Lighting Apparatus Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050720 Termination date: 20131210 |