CN202189753U - Low-pressure mercury discharge lamp capable of obstructing flow of molten amalgam - Google Patents
Low-pressure mercury discharge lamp capable of obstructing flow of molten amalgam Download PDFInfo
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- CN202189753U CN202189753U CN2011202954209U CN201120295420U CN202189753U CN 202189753 U CN202189753 U CN 202189753U CN 2011202954209 U CN2011202954209 U CN 2011202954209U CN 201120295420 U CN201120295420 U CN 201120295420U CN 202189753 U CN202189753 U CN 202189753U
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- mercury alloy
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- discharge lamp
- mercury
- molten condition
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Abstract
The utility model provides a low-pressure mercury discharge lamp capable of obstructing the flow of molten amalgam, which comprises a lamp body, an electrode mounted at the end part of the lamp body, amalgam in the lamp body, a discharge cavity, a branch pipe, an exhaust pipe, and a temperature-resistant inorganic screen material preventing the flow of the molten amalgam, wherein, the inorganic screen material is fixed in the exhaust pipe, the discharge cavity, or the branch pipe communicated with the discharge cavity, or a lamp tube; and the widest size of a screen hole is smaller than 0.5mm. The mercury discharge lamp adopting the above scheme has the maximal advantages that the blackening of the lamp tube, the light attenuation of the amalgam, the degradation of the photoelectric parameter, and other phenomena caused by the position change of the amalgam can be avoided.
Description
Technical field
The utility model relates to the technical field of low-pressure mercury discharge lamp, refers in particular to a kind of low-pressure mercury discharge lamp that can stop mercury alloy in the molten condition current downflow.
Background technology
Mercury alloy is compared with liquid mercury, except environmental protection, also has the irreplaceable performance of a lot of liquid mercury, uses mercury alloy to replace liquid mercury, is the inexorable trend of low-pressure discharge lamp development, but in the mercury alloy use, the technical problem that also has some to need to be resolved hurrily.Band cover electricity-saving lamp, the low-pressure high-strength ultraviolet lamp of tube wall temperature higher (as above 90 ℃) need use control mercuryvapour die mould mercury alloy; Control mercuryvapour die mould mercury alloy is in molten condition in its working temperature zone, be prone to flow, when mercury alloy be placed on vertically upward or blast pipe on being tilted in the time; Mercury alloy takes place easily to be flowed in the lamp; Cause amalgam temperature to change, mercury vapor pressure changes in the lamp, the photoelectric parameter deterioration; Also possibly cause mercury alloy to be attached on the filament, cause the mercury alloy evaporation of metals, cause the negative electrode blackout, luminous flux descends, problems such as life-span reduction.
In the fluorescent tube that uses mercury alloy is produced, generally in blast pipe, place the position that glass rod or metallic rod fix mercury alloy at present.Blast pipe is vertically upward or when being tilted to; Be to rely on the surface tension of mercury alloy fusion to make it remain on original position; When its surface tension of factors disrupt such as vibration, the mercury alloy of fusion just flows into fluorescent tube along the slit of glass rod or metallic rod and blast pipe inwall.The problem that mercury alloy flows into exists uncertain, long-term puzzlement system lamp industry.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of prior art; A kind of low-pressure mercury discharge lamp that can stop mercury alloy in the molten condition current downflow is provided; Make lamp all can not flow in the lamp at any direction mercury alloy of 360 degree; Can not cause the photoelectric parameter deterioration, can not cause problems such as negative electrode blackout yet.
For realizing above-mentioned purpose; The technical scheme that the utility model provided is: a kind of low-pressure mercury discharge lamp that can stop mercury alloy in the molten condition current downflow; It includes lamp body, is installed in the electrode of this lamp body end and places this lamp body inner mercury alloy, discharging chamber, arm, blast pipe; It also includes and stops the inorganic net material of this mercury alloy in the heatproof of molten condition current downflow; Wherein, in the arm that described inorganic net material is fixed in the blast pipe, discharging chamber or discharging chamber are communicated with or in the fluorescent tube, and the wideest size of its mesh is less than 0.5mm.
Described mercury alloy places on the inorganic net material, and this inorganic net material is fixed on the inorganic net material installation position.
Described mercury alloy is wrapped in the inorganic net material.
Described inorganic net material is ceramic network or the wire netting that do not react with mercury alloy.
Described inorganic net material installation position is a groove.
The inorganic net material that is enclosed with mercury alloy is fixed on the support bar.
Described support bar is glass rod or metallic rod.
Described wire netting is a stainless (steel) wire.
Described mercury alloy be shaped as spheroid or cylinder knot.
Circular, the square or rhombus of being shaped as of described inorganic net material.
The utility model is after having adopted such scheme, and its great advantage is that phenomenons such as fluorescent tube blackout, " mercury alloy " light decay, photoelectric parameter deterioration can not take place because of the change of amalgam location the utility model.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the sketch map of the inorganic net material of embodiment 1 usefulness.
Fig. 3 is the structural representation of the utility model embodiment 2.
Fig. 4 is the structural representation of the utility model embodiment 3.
Embodiment
Below in conjunction with several kinds of specific embodiments the utility model is described further.
Embodiment 1: shown in accompanying drawing 1 and accompanying drawing 2; Present embodiment be adopt a kind of heatproof, the wideest size of its mesh is less than the inorganic net material 2 of 0.5mm; Be specially below 40 orders, below 100 orders, below 200 orders, below 500 orders, below 1000 orders; And the inorganic net material of present embodiment 2 specifically adopts stainless (steel) wire for the circular wire netting that does not react with mercury alloy 1; The mercury alloy 1 that present embodiment will be shaped as spheroid places this circular metal online; In the arm that simultaneously the circular metal net of present embodiment is fixed in the blast pipe, discharging chamber or discharging chamber are communicated with or on the inorganic net material installation position 4 in the fluorescent tube; And the inorganic net material installation position of present embodiment is set as a groove, makes that the circular metal net of present embodiment is more firm.Present embodiment mainly stops mercury alloy 1 flowing under molten condition through the mesh that utilizes this circular metal net, and when its principle was the gravity that bears when the unit mesh less than mercury alloy 1 surface tension of fusion, it is mobile that the mercury alloy 1 of fusion just can not pass mesh; So mesh is more little, the effect that stops is just good more.
Embodiment 2: shown in accompanying drawing 3; The inorganic net material 2 of different with embodiment 1 is present embodiment is the square metal net; And the spheroid mercury alloy 1 of present embodiment is wrapped in this square metal net; And the square metal net of present embodiment is fixed on the support bar 3, and the support bar 3 of present embodiment can adopt glass rod or metallic rod.
Embodiment 3: according to accompanying drawing 4, the mercury alloy 1 of different with embodiment 2 is present embodiment is cylinder, and present embodiment is not provided with support bar 3.
In addition, the utility model can also adopt ceramic network to replace the wire netting among the embodiment 1, and the inorganic net material 2 that the utility model is used during mercury alloy 1 at parcel requires material thin, is beneficial to the parcel operation.Also having the mercury alloy 1 of the utility model can be other arbitrary shape, is not limited to the shape that above accompanying drawing is showed; Simultaneously the wire netting that adopts of the utility model can also be other wire netting that does not react with mercury alloy 1, and its shape can be circular net, square net, rhombus net or the like, with the shape of the position that is used.
The embodiment of the above is the preferred embodiment of the utility model only, is not the practical range that limits the utility model with this, so the variation that all shapes according to the utility model, principle are done all should be encompassed in the protection range of the utility model.
Claims (10)
1. low-pressure mercury discharge lamp that can stop mercury alloy in the molten condition current downflow; It includes lamp body, is installed in the electrode of this lamp body end and places this lamp body inner mercury alloy (1), discharging chamber, arm, blast pipe; It is characterized in that: it also includes and stops the inorganic net material (2) of this mercury alloy (1) in the heatproof of molten condition current downflow; Wherein, In the arm that described inorganic net material (2) is fixed in the blast pipe, discharging chamber or discharging chamber are communicated with or in the fluorescent tube, and the wideest size of its mesh is less than 0.5mm.
2. a kind of low-pressure mercury discharge lamp that can stop mercury alloy according to claim 1 in the molten condition current downflow; It is characterized in that: described mercury alloy (1) places on the inorganic net material, and this inorganic net material (2) is fixed on the inorganic net material installation position (4).
3. a kind of low-pressure mercury discharge lamp that can stop mercury alloy in the molten condition current downflow according to claim 1, it is characterized in that: described mercury alloy (1) is wrapped in the inorganic net material (2).
4. a kind of low-pressure mercury discharge lamp that can stop mercury alloy in the molten condition current downflow according to claim 1 is characterized in that: described inorganic net material (2) is ceramic network or the wire netting that do not react with mercury alloy (1).
5. a kind of low-pressure mercury discharge lamp that can stop mercury alloy in the molten condition current downflow according to claim 2, it is characterized in that: described inorganic net material installation position (4) is a groove.
6. a kind of low-pressure mercury discharge lamp that can stop mercury alloy in the molten condition current downflow according to claim 3 is characterized in that: the inorganic net material (2) that is enclosed with mercury alloy (1) is fixed on the support bar (3).
7. a kind of low-pressure mercury discharge lamp that can stop mercury alloy in the molten condition current downflow according to claim 6 is characterized in that: described support bar (3) is glass rod or metallic rod.
8. a kind of low-pressure mercury discharge lamp that can stop mercury alloy in the molten condition current downflow according to claim 3, it is characterized in that: described wire netting is a stainless (steel) wire.
9. a kind of low-pressure mercury discharge lamp that can stop mercury alloy in the molten condition current downflow according to claim 1 is characterized in that: described mercury alloy (1) be shaped as spheroid or cylinder.
10. a kind of low-pressure mercury discharge lamp that can stop mercury alloy in the molten condition current downflow according to claim 1 is characterized in that: circular, the square or rhombus of being shaped as of described inorganic net material (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202954209U CN202189753U (en) | 2011-08-13 | 2011-08-13 | Low-pressure mercury discharge lamp capable of obstructing flow of molten amalgam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202954209U CN202189753U (en) | 2011-08-13 | 2011-08-13 | Low-pressure mercury discharge lamp capable of obstructing flow of molten amalgam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202189753U true CN202189753U (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202954209U Expired - Fee Related CN202189753U (en) | 2011-08-13 | 2011-08-13 | Low-pressure mercury discharge lamp capable of obstructing flow of molten amalgam |
Country Status (1)
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| CN (1) | CN202189753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI703610B (en) * | 2015-10-06 | 2020-09-01 | 日商牛尾電機股份有限公司 | Short arc discharge lamp |
-
2011
- 2011-08-13 CN CN2011202954209U patent/CN202189753U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI703610B (en) * | 2015-10-06 | 2020-09-01 | 日商牛尾電機股份有限公司 | Short arc discharge lamp |
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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 |
Granted publication date: 20120411 Termination date: 20160813 |
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| CF01 | Termination of patent right due to non-payment of annual fee |