CN1677605A - Method for taking mercury in small lamp-tube - Google Patents
Method for taking mercury in small lamp-tube Download PDFInfo
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- CN1677605A CN1677605A CN 200410031940 CN200410031940A CN1677605A CN 1677605 A CN1677605 A CN 1677605A CN 200410031940 CN200410031940 CN 200410031940 CN 200410031940 A CN200410031940 A CN 200410031940A CN 1677605 A CN1677605 A CN 1677605A
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- fluorescent tube
- processed
- glass
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- mercury
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- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Abstract
A carrying tube made from glass is setup in front of an injector with liquid mercury being filled in. injection part of the injector enters into and closes up to face of inner wall of the carrying tube. Then, liquid mercury in needed quantity is injected into the carrying tube. The liquid mercury in the carrying tube is filled to open end of the lamp tube to be fabricated. The end, where there is the carrying tube, of the lamp tube to be fabricated is heated, and the other end is cooled by cold blast air. The liquid mercury in tube to be fabricated is vaporized and diffused from heating end to cooled end. After mercury is adhered on face of inner wall of the tube to be fabricated, a segment of the glass carrying tube of tube to be fabricated is cut off. Then, sealing the end of cut off makes production needed.
Description
Technical field
The present invention is relevant with making of gaseous discharge lamp, and particularly one goes into method about the system of mercury in the small-sized fluorescent tube.
Background technology
Present employed all gas discharge lamp or be called fluorescent lamp and all be provided with mercury in its fluorescent tube inside, the mode of going into mercury is big supremely can be divided into two kinds and will make in fluorescent tube with manufacture now.
Decide the mode that employing directly splashes into for first kind, this kind mode foot directly splashes into the liquid mercury of aequum in the fluorescent tube, though this mode seems simple and convenient, but problem under cover, that is exactly because the cohesive force of mercury is very big, therefore when splashing into the drop of liquid mercury, drop must just can drip to certain degree greatly, and therefore this manufacture only can only be applicable to the fluorescent tube that caliber is bigger.
Second kind is that mercury and other metal mixed are made granular solid-state mercury, in fluorescent tube, insert the solid-state mercury particle of aequum again, afterwards again to this fluorescent tube heating, go into the purpose of mercury solution to reach an amount of system, the shortcoming of this mode be must be earlier with mercury and other metal mixed making alloying pellet, so its to prepare comparatively loaded down with trivial details required cost higher.Moreover, owing to comprised the metal of other kinds in the alloying pellet, therefore make the required temperature of its heating in the process of mercury vaporization higher in heating, and other metal costs also what can shadows to the coating quality of tube inner wall after make.Therefore these above-mentioned two kinds of modes all still have the space that needs improvement.
The utility model content
Main purpose of the present invention is to provide a kind of can make the method for going into mercury in small-sized fluorescent tube.
For reaching above-mentioned purpose, the system of mercury is gone into method in a kind of small-sized fluorescent tube of the present invention, be in the charge of for getting a glass earlier, with this glass be in the charge of place a syringe before, this syringe includes a holding part, and an end of this holding part is provided with a pushing portion other end and is provided with an injection portion, has filled with liquid mercury in this holding part, this injection portion then is a spicule, and it is to place before this syringe and make this injection portion stretch into and be close to the internal face that this glass is in the charge of that this glass is in the charge of; It is characterized in that,
Liquid mercury in this holding part can be injected aequum in this glass is in the charge of via this injection portion, get a fluorescent tube to be processed, this fluorescent tube to be processed is that an end seals the open fluorescent tube of an end, the glass that liquid mercury is housed is in the charge of oneself open end of this fluorescent tube to be processed inserts in this fluorescent tube to be processed, seal the open end of this fluorescent tube to be processed, be equipped with the end heating that this glass is in the charge of for this fluorescent tube to be added again afterwards, and the other end of this fluorescent tube to be processed is blown a cold wind over, cooled off, liquid mercury in the fluorescent tube to be processed just can be vaporized because of heating, and by fire end towards colling end diffusion cooling, and attached to the internal face of fluorescent tube to be processed;
Excise the glass section of being in the charge of of this fluorescent tube to be processed, and the fluorescent tube to be processed after will excising is sealed to become required finished product.
Wherein this fluorescent tube to be processed is in being provided with one toward the projecting inward protuberance of pipe apart from its open port one preset distance place, and this glass is in the charge of and can be fallen in this fluorescent tube to be processed and be stuck in this protuberance, can not continue toward the whereabouts again.
Wherein the open end of this fluorescent tube to be processed is inserted in the temperature-controlled tube, can make this wait to add that the open end of fluorescent tube remains on the state of a temperature stabilization.
Wherein have the end of bleeding in this temperature-controlled tube, this end of bleeding can be provided with air extractor, and can continue bleeds makes the open end of this fluorescent tube to be processed remain on the state of temperature stabilization.
Wherein should pushing portion then connect an automatic controls, make that the extrusion capacity of liquid mercury can be by control more automatically.
Description of drawings
In order to describe feature of the present invention and effect in detail, below in conjunction with embodiment and accompanying drawing describes in detail as after, wherein:
The schematic diagram that Fig. 1 is in the charge of for glass used herein.
Fig. 2 is in the charge of the schematic diagram that places a syringe preceding for glass of the present invention.
Fig. 3 stretches into the schematic diagram that glass is in the charge of for this syringe injection portion among the present invention.
Fig. 4 and Fig. 5 are in the charge of the schematic diagram of inserting fluorescent tube to be processed for glass among the present invention.
Fig. 6 seals the schematic diagram of back heating for fluorescent tube to be processed among the present invention.
Fig. 7 is the schematic diagram of fluorescent tube of the present invention after finishing.
Embodiment
Go into method when making fluorescent tube with the system of mercury in the small-sized fluorescent tube provided by the present invention, please refer to Fig. 1 to Fig. 3.
At first, will get a glass earlier and be in the charge of 10, the external diameter that this glass is in the charge of is less than the internal diameter that will make afterwards fluorescent tube.With this glass be in the charge of place a syringe 20 before, this syringe includes a holding part 21, one end of this holding part is provided with a pushing portion 22 other ends and is provided with an injection portion 23, filled with liquid mercury in this holding part, this injection portion then is a spicule, it is to place before this syringe and make this injection portion stretch into and be close to the internal face that this glass is in the charge of that this glass is in the charge of, this pushing portion then can connect an electronic automatic controls or a stepping mechanism 24, makes that the extrusion capacity of liquid mercury can be by control more automatically.
Push the pushing portion 22 of this syringe, making this holding part 21 interior liquid mercury H inject aequum via this injection portion 23 is in the charge of in 10 in this glass, and because the injection portion of this syringe is close to the internal face that this glass is in the charge of, therefore when being extruded this injection portion, liquid mercury just can be attached to the internal face that glass is in the charge of, so also drip too little and problem that can't drip with regard to not having mercury solution.
Afterwards, get a fluorescent tube 30 to be processed, this fluorescent tube to be processed has a blind end 31 and an open end 32, this fluorescent tube to be processed is in being provided with one apart from its open port one preset distance place toward the projecting inward protuberance 33 of pipe, the open end of this fluorescent tube to be processed is inserted in the temperature-controlled tube 40, this temperature-controlled tube has the end 41 of bleeding, this end of bleeding can connect an air extractor, can continue bleeds makes the open end 32 of this fluorescent tube to be processed remain on the state of a temperature stabilization, makes the liquid mercury in glass is in the charge of can not produce the situation of prior evaporation because of the variation of ambient temperature.The open end that the glass that liquid mercury is housed is in the charge of from this fluorescent tube to be processed is inserted in this fluorescent tube to be processed, and this glass was in the charge of and can be fallen in this fluorescent tube to be processed and be stuck in this protuberance this moment, can not continue past whereabouts again.
Seal the open end 32 of this fluorescent tube to be processed, be equipped with an end 32 heating that this glass is in the charge of for this fluorescent tube to be processed more afterwards, and the other end 31 of this fluorescent tube to be processed is blown a cold wind over, cooled off, thus, liquid mercury in fluorescent tube to be processed just can be vaporized because of heating, and by that end diffusion cooling towards cooling of this end of heating, and attached to the internal face of fluorescent tube to be processed.
After one scheduled time of heating, should excise this glass section of being in the charge of by this protuberance place by fluorescent tube to be processed again, and the fluorescent tube to be processed after will excising is sealed to become required finished product.
Just do not need in advance mercury to be made graininess when adding mercury with manufacture method of the present invention, also can be too not little because of the drop of liquid mercury, cohesive force can't drip too greatly, improvement that can be clear and definite is the puzzlement on making in the past, particularly on the less product of some calibers, for example PL lamp or cold-cathode tube, all calculate with mm in the fluorescent tube footpath of these products, under so little size with manufacture method of the present invention for this series products to improve effect obvious especially.
Claims (5)
1. the system of the interior mercury of small-sized fluorescent tube is gone into method, be in the charge of for getting a glass earlier, with this glass be in the charge of place a syringe before, this syringe includes a holding part, one end of this holding part is provided with a pushing portion other end and is provided with an injection portion, filled with liquid mercury in this holding part, this injection portion then is a spicule, and it is to place before this syringe and make this injection portion stretch into and be close to the internal face that this glass is in the charge of that this glass is in the charge of; It is characterized in that,
Liquid mercury in this holding part can be injected aequum in this glass is in the charge of via this injection portion, get a fluorescent tube to be processed, this fluorescent tube to be processed is that an end seals the open fluorescent tube of an end, the glass that liquid mercury is housed is in the charge of oneself open end of this fluorescent tube to be processed inserts in this fluorescent tube to be processed, seal the open end of this fluorescent tube to be processed, be equipped with the end heating that this glass is in the charge of for this fluorescent tube to be added again afterwards, and the other end of this fluorescent tube to be processed is blown a cold wind over, cooled off, liquid mercury in the fluorescent tube to be processed just can be vaporized because of heating, and by fire end towards colling end diffusion cooling, and attached to the internal face of fluorescent tube to be processed;
Excise the glass section of being in the charge of of this fluorescent tube to be processed, and the fluorescent tube to be processed after will excising is sealed to become required finished product.
2. go into method according to the system of mercury in the described small-sized fluorescent tube of claim 1, it is characterized in that, wherein this fluorescent tube to be processed is in being provided with one apart from its open port one preset distance place toward the projecting inward protuberance of pipe, this glass is in the charge of and can be fallen in this fluorescent tube to be processed and be stuck in this protuberance, can not continue toward the whereabouts again.
3. go into method according to the system of mercury in the described small-sized fluorescent tube of claim 1, it is characterized in that wherein the open end of this fluorescent tube to be processed is inserted in the temperature-controlled tube, can make this wait to add that the open end of fluorescent tube remains on the state of a temperature stabilization.
4. go into method according to the system of mercury in the described small-sized fluorescent tube of claim 1, it is characterized in that, wherein have the end of bleeding in this temperature-controlled tube, this end of bleeding can be provided with air extractor, and can continue bleeds makes the open end of this fluorescent tube to be processed remain on the state of temperature stabilization.
5. go into method according to the system of mercury in the described small-sized fluorescent tube of claim 1, it is characterized in that, wherein should pushing portion then connect an automatic controls, make that the extrusion capacity of liquid mercury can be by control more automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410031940 CN1677605A (en) | 2004-03-31 | 2004-03-31 | Method for taking mercury in small lamp-tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410031940 CN1677605A (en) | 2004-03-31 | 2004-03-31 | Method for taking mercury in small lamp-tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1677605A true CN1677605A (en) | 2005-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410031940 Pending CN1677605A (en) | 2004-03-31 | 2004-03-31 | Method for taking mercury in small lamp-tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1677605A (en) |
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2004
- 2004-03-31 CN CN 200410031940 patent/CN1677605A/en active Pending
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |