CN112254930A - Device and method for optimizing air pressure of glow starting gas in mercury lamp light-emitting bulb - Google Patents
Device and method for optimizing air pressure of glow starting gas in mercury lamp light-emitting bulb Download PDFInfo
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- CN112254930A CN112254930A CN202011017754.XA CN202011017754A CN112254930A CN 112254930 A CN112254930 A CN 112254930A CN 202011017754 A CN202011017754 A CN 202011017754A CN 112254930 A CN112254930 A CN 112254930A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/44—Testing lamps
Abstract
The application discloses a device and a method for optimizing the pressure of glow starting gas in a mercury lamp light-emitting bulb, wherein a filling platform of the optimization device comprises a vacuum pump, a valve and a vacuum measuring meter; the light-emitting bulb is connected with a vacuum system of the filling platform through a quartz tube and is positioned at a horizontal position; the mercury isotope is positioned in another bulb body, and a gap is formed between the bulb body and the luminescent bulb; the needle valve is connected with the filling platform and the argon bottle through a vacuum pipeline so as to control the amount of argon entering the vacuum system; the radio frequency excitation module is coupled with the light-emitting bulb through a coil, the radio frequency excitation module is installed on a three-dimensional adjusting frame, and the three-dimensional adjusting frame is fixed on the filling platform so as to adjust the position of the radio frequency excitation module and provide excitation for the light-emitting bulb; the optimal value of the charging air pressure can be obtained visually and effectively in real time, and the success rate of charging is improved; meanwhile, the cost is greatly reduced, the time is saved, and the efficiency is improved.
Description
Technical Field
The application relates to the technical field of air pressure optimization, in particular to a device and a method for optimizing the air pressure of glow starting gas in a mercury lamp light-emitting bulb.
Background
The mercury ion microwave frequency standard is a novel frequency standard, and adopts a brand new working principle different from the traditional atomic frequency standards of hydrogen, rubidium, cesium and the like. The method has the inherent characteristics of no disturbance of material particles and external fields, small motion effect, long quantum state coherence time and the like, and has extremely narrow spectral line width and small frequency shifts. One of the main reasons is that working ions are trapped in the center of the ion trap in ultrahigh vacuum by applying an electrostatic field, a magnetic field or a radio frequency field to the ion trap, so that the ions are completely isolated and are in a completely static state without being interfered by the outside, and the performance index of the mercury ion microwave frequency standard can be greatly improved. In the future, the position of the mercury ion microwave frequency standard is expected to be particularly important, the mercury ion microwave frequency standard becomes a research subject of high-precision quantum frequency standard in medium and long periods, and the mercury ion microwave frequency standard is also expected to be applied to time frequency measurement calibration and the highest time frequency standard of space satellite-borne and ground of next generation navigation positioning and space detection.
One of the core technologies of the mercury ion frequency standard is the design of a mercury lamp with high stability, high reliability and narrow line width. The development of the high-efficiency optical pumping mercury lamp is a necessary condition for realizing high-performance, high-reliability and miniaturized mercury ion microwave frequency standard, and can effectively reduce the use cost.
In the research of mercury lamps, the development of a luminescent bubble is firstly required to be solved, wherein an important parameter is the pressure of a glow-starting gas (generally argon is selected) in the mercury lamp luminescent bubble, a series of batches of luminescent bubbles with different pressures are usually made in the current development process of the luminescent bubble, then an excitation test is carried out through a radio frequency circuit, and a large number of repeated experiments are required to confirm a relatively ideal pressure, so that the common method has the following problems: (1) a large amount of light-emitting bubbles need to be filled, a large amount of time needs to be consumed, and the research progress is seriously influenced; (2) the required cost is high, and the cost is high because each bubble needs to be filled with isotopes; (3) the repeatability of the experimental result is poor, and the experimental result is inaccurate due to the inaccuracy of the test.
Disclosure of Invention
The application provides a device and a method for optimizing the pressure of glow starting gas in a mercury lamp light-emitting bulb, which are used for solving the problems of time consumption, high cost, inaccuracy of test results and the like in the conventional mercury lamp light-emitting bulb development process.
The invention provides a device for optimizing the pressure of glow starting gas in a mercury lamp luminous bulb, which comprises a luminous bulb (6), a quartz tube (4), a mercury isotope (5), an argon bottle (3), a needle valve (2), a filling platform (1), a three-dimensional adjusting frame (8) and a radio frequency excitation module (7);
the filling platform (1) comprises a vacuum pump, a valve and a vacuum measuring meter; the light-emitting bulb (6) is connected with a vacuum system of the filling platform (1) through a quartz tube (4), and the light-emitting bulb (6) is located at a horizontal position;
the mercury isotope (5) is positioned in another bubble body, and a gap is formed between the bubble body and the light-emitting bubble (6); the needle valve (2) is connected with the filling platform (1) and the argon bottle (3) through a vacuum pipeline so as to control the amount of argon entering the vacuum system;
the radio frequency excitation module (7) is coupled with the light-emitting bubble (6) through a coil, the radio frequency excitation module (7) is installed on a three-dimensional adjusting frame (8), and the three-dimensional adjusting frame (8) is fixed on the filling platform (1) so as to adjust the position of the radio frequency excitation module (7) and provide excitation for the light-emitting bubble (6).
In the above solution, it is preferred that the light-emitting bulb (6) and the bulb containing the mercury isotope (5) are welded to the vacuum line of the filling platform (1).
It is also preferred that the filling platform (1) is equipped with a vacuum gauge.
In another aspect, the present invention provides a method for optimizing the pressure of a glow-starting gas in a mercury lamp light-emitting bulb, comprising the steps of,
welding the light-emitting bulb (6) and the bulb body containing the mercury isotope (5) to the vacuum pipe of the filling platform (1) so that the light-emitting bulb (6) is in a horizontal position;
the vacuum of the vacuum system is prepared to a preset magnitude through the filling platform (1), and the residual gas in the light-emitting bubbles (6) is reduced;
adjusting the three-dimensional adjusting frame (8) to enable the light-emitting bubbles (6) to enter an exciting coil of the radio frequency exciting module (7) so that the light-emitting bubbles (6) are excited;
closing the valve of the filling platform (1), stopping the filling platform (1) from performing vacuum preparation on the light-emitting foam (6), and simultaneously opening the needle valve (2) for controlling the argon bottle (3) to fill argon into the light-emitting foam (6);
the pressure of argon gas filled into the luminescent foam (6) is displayed through a vacuum gauge of the filling platform (1) and is increased from 0 to a preset value;
after argon is filled in the light-emitting bubble (6), the light-emitting bubble (6) emits pink light under the action of the radio frequency excitation module (7), and whether the amount of the filled argon is an optimal value is determined by observing the difference of the lengths of the light-emitting beams;
when the length of the light beam emitted by the light-emitting bubble (6) reaches the maximum value, the air pressure at the time is the optimal value, and the light-emitting bubble (6) is filled.
In the above protocol, it is preferred that the vacuum of the vacuum system is made on the order of E-8Torr by a filling platform (1).
It is also preferred that the pressure of the argon gas charged into the light-emitting bubble (6) is increased from 0 to 4Torr by a vacuum gauge filled into the platform (1).
The device and the method for optimizing the pressure of the glow starting gas in the mercury lamp light-emitting bubble can achieve the following beneficial effects:
the device and the method for optimizing the pressure of the glow starting gas in the mercury lamp light-emitting bubble can solve the problems of time consumption, high cost, inaccuracy of test results and the like in the conventional mercury lamp light-emitting bubble development process, can obtain the optimal value of the charging pressure in real time, intuitively and effectively, and improve the success rate of charging; meanwhile, the cost is greatly reduced, the time is saved, and the efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural view of an apparatus for optimizing the pressure of glow-starting gas in a mercury lamp light-emitting bulb.
In the figure, 1 is a filling platform, 2 is a needle valve, 3 is an argon gas bottle, 4 is a quartz tube, 5 is a mercury isotope, 6 is a luminescent bubble, 7 is a radio frequency excitation module, and 8 is a three-dimensional adjusting frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Example 1
A kind of mercury lamp shines the bubble and lights the gaseous atmospheric pressure optimizing apparatus of glow in, refer to fig. 1, including shining bubble 6, quartz capsule 4, mercury isotope 5, argon gas bottle 3, needle valve 2, fill platform 1, three-dimensional adjusting bracket 8 and radio frequency excitation module 7;
the filling platform 1 comprises a vacuum pump, a valve and a vacuum measuring meter; the light-emitting bulb 6 is connected with a vacuum system of the filling platform 1 through a quartz tube 4, and the light-emitting bulb 6 is positioned at a horizontal position;
the mercury isotope 5 is positioned in another bulb body, and a gap is formed between the bulb body and the light-emitting bulb 6; the needle valve 2 is connected with the filling platform 1 and the argon bottle 3 through a vacuum pipeline so as to control the amount of argon entering the vacuum system;
the radio frequency excitation module 7 is coupled with the light-emitting bulb 6 through a coil, the radio frequency excitation module 7 is installed on a three-dimensional adjusting frame 8, and the three-dimensional adjusting frame 8 is fixed on the filling platform 1to adjust the position of the radio frequency excitation module 7 and provide excitation for the light-emitting bulb 6.
It may also be specified that the light-emitting bulb 6 and the body containing the mercury isotope 5 are welded to the vacuum line of the filling platform 1.
In particular, a vacuum gauge may be mounted on the filling platform 1.
The mercury isotope 5 is positioned in another bulb body which is at a certain distance from the luminescent bulb 6; the needle valve 2 is connected with the filling platform 1 and the argon bottle 3 through pipelines to control the amount of argon entering a vacuum system; the three-dimensional adjusting frame 8 is fixed on the filling platform 1, and the position of the radio frequency excitation module 7 is adjusted, so that the light-emitting bulb 6 is sufficiently excited; the coupling of the radio frequency excitation module 7 and the light-emitting bulb 6 is completed through a coil, and the light-emitting bulb 6 and the radio frequency excitation module 7 are fully coupled by adjusting the position to complete the excitation of a spectral line.
The three-dimensional adjusting frame 8 can perform movement adjustment in three dimensions in horizontal transverse direction, horizontal longitudinal direction and vertical direction, for example, the three-dimensional adjusting frame 8 may be provided with horizontal transverse direction, horizontal longitudinal direction and vertical direction sliding blocks, the sliding blocks may be respectively installed in horizontal transverse direction, horizontal longitudinal direction and vertical direction sliding grooves, and the movement adjustment of the three-dimensional adjusting frame 8 in three directions is realized by the sliding blocks in all directions sliding in the corresponding sliding grooves.
Example 2
A method for optimizing the pressure of a glow-starting gas in a mercury lamp light-emitting bulb as described in embodiment 1, comprising the steps of,
welding the light-emitting bulb 6 and the bulb body filled with the mercury isotopes 5 to the vacuum pipeline of the filling platform 1 so that the light-emitting bulb 6 is positioned at a horizontal position;
the vacuum of the vacuum system is prepared to a preset magnitude through the filling platform 1, and residual gas in the light-emitting bulb 6 is reduced;
adjusting the three-dimensional adjusting frame 8to enable the light-emitting bubbles 6 to enter an exciting coil of the radio frequency exciting module 7, so that the light-emitting bubbles 6 are excited;
closing the valve of the filling platform 1to enable the filling platform 1to stop vacuum preparation of the light-emitting bubble 6, and simultaneously opening the needle valve 2 for controlling the argon bottle 3 to enable argon to be filled into the light-emitting bubble 6;
the pressure of argon gas filled into the light-emitting bubble 6 is displayed by a vacuum gauge of the filling platform 1, so that the pressure is increased from 0 to a preset value;
after argon is filled in the light-emitting bubble 6, the light-emitting bubble 6 emits pink light under the action of the radio frequency excitation module 7, and whether the amount of the filled argon is the optimal value is determined by observing the difference of the lengths of the light-emitting beams;
when the length of the light beam emitted by the light-emitting bulb 6 reaches a maximum value, the air pressure at that time is an optimal value, and the filling of the light-emitting bulb 6 is completed.
Wherein, observing the length of the luminous beam means that the luminous beam can be observed by human eyes due to the attenuation of the luminous beam during the propagation process, and generally speaking, the luminous beam can be attenuated to a brightness lower than 0.1nit (cd/m) from the emitting position to the attenuation position2) The length between positions, where nit (nit), cd (candela) are units of lightness (luminance).
It may also be specific that the vacuum of the vacuum system is made on the order of magnitude of E-8Torr by the fill platform 1. (Torr is a pressure unit, 1Torr is 1mmHg is 133Pa)
Specifically, the pressure of argon gas introduced into the light-emitting bulb 6 was increased from 0 to 4Torr as indicated by a vacuum gauge attached to the stage 1.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (6)
1. A mercury lamp light-emitting bubble internal glow starting gas pressure optimization device comprises a light-emitting bubble (6), a quartz tube (4), a mercury isotope (5), an argon bottle (3), a needle valve (2), a filling platform (1), a three-dimensional adjusting frame (8) and a radio frequency excitation module (7); it is characterized in that the preparation method is characterized in that,
the filling platform (1) comprises a vacuum pump, a valve and a vacuum measuring meter; the light-emitting bulb (6) is connected with a vacuum system of the filling platform (1) through a quartz tube (4), and the light-emitting bulb (6) is located at a horizontal position;
the mercury isotope (5) is positioned in another bubble body, and a gap is formed between the bubble body and the light-emitting bubble (6); the needle valve (2) is connected with the filling platform (1) and the argon bottle (3) through a vacuum pipeline so as to control the amount of argon entering the vacuum system;
the radio frequency excitation module (7) is coupled with the light-emitting bubble (6) through a coil, the radio frequency excitation module (7) is installed on a three-dimensional adjusting frame (8), and the three-dimensional adjusting frame (8) is fixed on the filling platform (1) so as to adjust the position of the radio frequency excitation module (7) and provide excitation for the light-emitting bubble (6).
2. Mercury lamp glow bulb internal glow-starting gas pressure optimizing device as claimed in claim 1, characterized in that the glow bulb (6) and the bulb containing the mercury isotope (5) are welded to the vacuum line of the filling platform (1).
3. The mercury lamp lighting bulb internal glow starting gas pressure optimizing apparatus as claimed in claim 1, wherein the charging platform (1) is provided with a vacuum gauge.
4. A method of optimizing the pressure of a glow-starting gas in a mercury lamp bulb as claimed in claim 1, 2 or 3, comprising the steps of,
welding the light-emitting bulb (6) and the bulb body containing the mercury isotope (5) to the vacuum pipe of the filling platform (1) so that the light-emitting bulb (6) is in a horizontal position;
the vacuum of the vacuum system is prepared to a preset magnitude through the filling platform (1), and the residual gas in the light-emitting bubbles (6) is reduced;
adjusting the three-dimensional adjusting frame (8) to enable the light-emitting bubbles (6) to enter an exciting coil of the radio frequency exciting module (7) so that the light-emitting bubbles (6) are excited;
closing the valve of the filling platform (1), stopping the filling platform (1) from performing vacuum preparation on the light-emitting foam (6), and simultaneously opening the needle valve (2) for controlling the argon bottle (3) to fill argon into the light-emitting foam (6);
the pressure of argon gas filled into the luminescent foam (6) is displayed through a vacuum gauge of the filling platform (1) and is increased from 0 to a preset value;
after argon is filled in the light-emitting bubble (6), the light-emitting bubble (6) emits pink light under the action of the radio frequency excitation module (7), and whether the amount of the filled argon is an optimal value is determined by observing the difference of the lengths of the light-emitting beams;
when the length of the light beam emitted by the light-emitting bubble (6) reaches the maximum value, the air pressure at the time is the optimal value, and the light-emitting bubble (6) is filled.
5. Method for optimizing the pressure of a starter gas in a mercury lamp bulb as claimed in claim 4, characterized in that the vacuum of the vacuum system is made to the order of magnitude of E-8Torr by means of a filling stage (1).
6. The optimization method of the apparatus for optimizing the pressure of the ignition gas in a mercury lamp light-emitting bulb as claimed in claim 4, characterized in that the pressure of argon gas filled into the light-emitting bulb (6) is displayed by a vacuum gauge of the filling stage (1) to be raised from 0 to 4 Torr.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011017754.XA CN112254930A (en) | 2020-09-24 | 2020-09-24 | Device and method for optimizing air pressure of glow starting gas in mercury lamp light-emitting bulb |
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| CN202011017754.XA CN112254930A (en) | 2020-09-24 | 2020-09-24 | Device and method for optimizing air pressure of glow starting gas in mercury lamp light-emitting bulb |
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