Microminiature transition sealing intermediate-pressure mercury lamp and transition joint sealing process thereof
A transition joint, medium pressure mercury lamp technology, applied in the manufacture of discharge lamps, gas discharge lamps, discharge tubes/lamps, etc. The effect of coaxiality
Active Publication Date: 2017-03-22
CHANGZHOU YUYU ELECTRIC LIGHT APPLIANCE
View PDF7 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] The technical problem to be solved by the present invention is: in order to overcome the deficiency that the ultra-small medium-pressure mercury lamp cannot be produced in the prior art, the present invention provides an ultra-small transition-sealed medium-pressure mercury lamp and its transition joint sealing process
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0021] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.
[0022] An ultra-small transition-sealed medium-pressure mercury lamp, comprising a lamp tube 1, a cathode 2 and an anode 3 arranged in the lamp tube 1, and two lamp caps 4 and two tungsten rods 5, the cathode 2 passes through one of them A tungsten rod 5 is electrically connected to one of the lamp caps 4, and the anode 3 is electrically connected to the other lamp cap 4 through another tungsten rod 5. The diameter of the tungsten rod 5 is 1mm-6mm. Diameter <20mm.
[0023] Transition joints 7 are provided between the cathode 2 and the lamp cap 4 connected to it, and between the anode 3 and the lamp cap 4 connected to it, and the tungsten rod 5 is connected to...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
| Property | Measurement | Unit |
|---|---|---|
| Diameter | aaaaa | aaaaa |
Login to View More
Abstract
The invention discloses a microminiature transition sealing intermediate-pressure mercury lamp and a transition joint sealing process thereof. The microminiature transition sealing intermediate-pressure mercury lamp employs a tungsten rod sealing structure, can ensure coaxiality between a cathode and an anode and is good in support strength; the transition joint sealing process makes it possible that the microminiature transition sealing intermediate-pressure mercury lamp employs the tungsten rod sealing structure, employs a magnesium fluoride tube as an intermediate auxiliary sealing tool, prevent a hollow structure from formation failure due to glass adhesion, can pull out the magnesium fluoride tube easily after formation of glass since magnesium fluoride and the glass are not adhered, and formation of a transition joint is not affected; and since the expansion coefficient of a tungsten rod is greater than the expansion coefficient of quartz and a lamp tube is often made of quartz, the transition joint forms a multichannel transition structure so as to realize gradual transition by use of multiple materials, finally, a quartz tube made of a quartz material is formed at the tail portion of the transition joint, fixation of the tungsten rod and the lamp tube made of the quart material are not affected by the expansion coefficients, and the fixation is firmer.
Description
technical field [0001] The invention relates to an ultra-small transition sealing medium-pressure mercury lamp and a transition joint sealing process thereof. Background technique [0002] The size of the ultra-small medium-pressure mercury lamp is small. Generally, when the outer diameter of the lamp tube is less than 20mm, if a tungsten rod is used to connect the electrodes, the size of the sealing structure of the tungsten rod will be smaller. In the prior art, such an ultra-small sealing structure cannot be realized, because when the size is small, the glass sealing will stick inside and cannot form a hollow structure, making it difficult for the tungsten rod to pass through. However, if the molybdenum sheet is used to connect the electrodes, the molybdenum sheet can only be sealed by compression sealing. Since the molybdenum sheet is thin, the structure after sealing is still not enough for the support strength of the electrode and the lamp cap, and the compression seal...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More IPC IPC(8): H01J61/36H01J9/36
CPCH01J9/36H01J61/366
Inventor 殷尧平
Owner CHANGZHOU YUYU ELECTRIC LIGHT APPLIANCE