CN102287306B - Method for safely eliminating engine ignition discharge tube darkroom effect - Google Patents
Method for safely eliminating engine ignition discharge tube darkroom effect Download PDFInfo
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- CN102287306B CN102287306B CN 201110117521 CN201110117521A CN102287306B CN 102287306 B CN102287306 B CN 102287306B CN 201110117521 CN201110117521 CN 201110117521 CN 201110117521 A CN201110117521 A CN 201110117521A CN 102287306 B CN102287306 B CN 102287306B
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Abstract
The invention relates to a method for safely eliminating an engine ignition discharge tube darkroom effect, comprising the steps that: tritium is led in as a pre-ionization source, so that an enough number of pre-ionized particles which are distributed uniformly is stored in a discharge tube, and the safety of a discharge tube user is ensured; and simultaneously, the safety of processes involving tritium in a discharge tube production process is ensured through the effective protection of a tritium gas distribution system and a tritium purification and treatment system. The method for safely eliminating the engine ignition discharge tube darkroom effect has the advantages that: not only is the darkroom effect of an engine ignition discharge tube fully eliminated so that the ignition energy and the ignition frequency of an engine are stabilized and simultaneously the possibility that other devices of an ignition system are punctured by high voltage is eliminated, but also the discharge tube production and use processes are safer.
Description
[technical field]
The invention belongs to field of gas discharge, particularly the safe technology for eliminating of engine ignition discharge tube darkroom effect.
[background technique]
The engine ignition electric discharge lamp is mainly used in aircraft, guided missile, the contour performance engine of rocket, is the key core device of its ignition system.Generally, the electric discharge lamp of not doing special processing has the darkroom effect, is embodied in: electric discharge lamp is placed a period of time when working again in dark surrounds, and breakdown voltage can be than rating value approximately (10～20) % that raises first for it.This phenomenon is harmful to ignition system very much, not only has influence on the stability of engine ignition energy and frequency, and causes easily the damage that is broken down by high-voltage of other device of ignition system.
According to existing process engineering, in electric discharge lamp, add the impact that the radioelement such as Co 60, Ce 137 can alleviate the darkroom effect.But because this type of radioisotopic preparation is solid-state or liquid, in electric discharge lamp, can not be evenly distributed, therefore can not eliminate the darkroom effect fully.The more important thing is that this type of isotopic radioactivity in γ source and toxicity are all very strong, not only very high to the requirement of protective equipment, and also all very large to producers and user of service's health radiation hazard.In sum, for the darkroom effect of engine ignition electric discharge lamp, do not eliminate safely and effectively at present way.
[summary of the invention]
Technical problem to be solved by this invention is the deficiency for traditional processing technology, provides a kind of to producers and user of service safety all, can eliminate the method for engine ignition discharge tube darkroom effect fully.
The present invention addresses the above problem by considering of the following aspects: a kind of safe removing method of engine ignition discharge tube darkroom effect, introduce tritium as the preionization source of electric discharge lamp.
This invention further is specially:
Also be included in and adopt tritium gas distribution system and tritium cleaning treatment system in the electric discharge lamp production process.
Tritium activity in the electric discharge lamp working gas is (3.7～7.4) * 10
8Bq/L.
Described tritium gas distribution system comprises vacuum pump, all-metal sealing valve, diaphragm pressure gage, contains tritium working gas steel cylinder, striker, storage tritium vessel, tritium bottle, reduction valve, virgin gas steel cylinder, vacuum pump by the all-metal sealing valve with contain tritium working gas steel cylinder and the storage tritium vessel be connected, on the connecting tube between vacuum pump and the storage tritium vessel diaphragm pressure gage is installed, between storage tritium vessel and the virgin gas steel cylinder reduction valve is installed, the tritium bottle is placed in the storage tritium vessel, and striker enters from storage tritium vessel upper end and is positioned at tritium bottle top.
Described tritium cleaning treatment system comprises diaphragm pump, gas holder, vacuum pump, the tritium monitor ionizing chamber, flowmeter, gas mixer, gas preheater, catalytic bed, the air cooled tube road, the water bath with thermostatic control cooler, molecular sieve, the liquid nitrogen washing molecular sieve, pressure transducer, the tritium gas that contains of gas distribution system and electric discharge lamp inflation platform enters diaphragm pump through solenoid valve, the tritium gas that contains of gas distribution system and electric discharge lamp inflation platform enters the liquid nitrogen washing molecular sieve through two solenoid valves, liquid nitrogen washing molecular sieve front end setting pressure sensor, diaphragm pump is connected to gas holder, a solenoid valve is installed in the middle of it, gas holder is connected to vacuum pump, a solenoid valve is installed in the middle of it, gas holder is connected to the tritium monitor ionizing chamber, a solenoid valve is installed in the middle of it, automatically oxygen supplement mouth enters gas mixer through a solenoid valve and a flowmeter, the tritium monitor ionizing chamber is connected to gas mixer through a flowmeter, connect successively gas preheater behind the gas mixer, the two-stage catalytic bed, the air cooled tube road, the water bath with thermostatic control cooler, molecular sieve, the liquid nitrogen washing molecular sieve is installed respectively a solenoid valve between water bath with thermostatic control cooler and molecular sieve and molecular sieve and the liquid nitrogen washing molecular sieve.
Adopt described tritium gas distribution system, with tritium and unstrpped gas safety be mixed with electric discharge lamp required contain the tritium working gas, step is as follows:
H. start vacuum pump, open and contain tritium working gas cylinder valve, at this moment, containing tritium working gas steel cylinder is empty bottle;
I. open the all-metal sealing valve, whole gas distribution system is vacuumized, be better than 1.0 * 10 to degree of vacuum
-1Pa closes the all-metal sealing valve;
J. open virgin gas cylinder valve and reduction valve, be filled with unstrpped gas in gas distribution system, charged pressure is (0.08～0.1) MPa, then closes the virgin gas cylinder valve;
K. above B, C step are once flushing, repeat in order above B, C step 4 time;
The tritium bottle that L. will store up in the tritium vessel with striker is smashed, then open the virgin gas cylinder valve, tritium is contained tritium working gas steel cylinder from the importing of storage tritium vessel, the adjusting reduction valve continues to be inflated to pressure (1.9～2) MPa, closes to contain tritium working gas cylinder valve, virgin gas cylinder valve and reduction valve;
M. with containing in the gas holder that tritium tail gas enters the tritium cleaning treatment system in the gas distribution system;
N. take off and contain tritium working gas steel cylinder, access electric discharge lamp inflation platform for the production of.
What produce in the electric discharge lamp production contains tritium tail gas, in the gas holder of the tritium cleaning treatment system that temporarily is stored in first, after gas holder pressure reaches setting value, concentrates and carries out purified treatment, and step is as follows:
H. start the tritium cleaning treatment system, the incoming pressure of opening pressurized air and regulating automatic oxygen supplement mouth is (0.1～0.3) Mpa;
I. start gas preheater, catalytic bed, water bath with thermostatic control cooler, treating that temperature reaches setting value separately carries out next step;
J. carry out the circularly purifying processing to containing tritium tail gas, process is as follows:
8) open diaphragm pump, contain tritium tail gas and carry out the tritium concentration monitoring by the gas holder tritium monitor ionizing chamber of flowing through;
9) contain tritium tail gas and oxygen after the oxygenating and mix by gas mixer, the gas coming through preheater carries out preheating again;
10) after the arrival two-stage catalytic bed, tritium and oxygen react at this, generate the HTO steam;
11) the HTO steam is collected through the level Four cooling absorption of air-cooler, water bath with thermostatic control cooler, molecular sieve, liquid nitrogen washing molecular sieve;
12) residual gas continues to be pressed into gas holder by diaphragm pump, carries out the next round circulation;
13) by the tritium concentration of tritium monitor observation tail gas, tritium concentration to be shown is lower than 3.7 * 10
5Bq/m
3The time, open vacuum pump, will enter atmosphere through the tail gas of purified treatment;
14) close the tritium cleaning treatment system, sealing was preserved after HTO was collected, and concentrated and returned tritium source producer.
The gas holder pressure setting is lower than a standard atmospheric pressure.
The setting value of described gas preheater is that 120 ℃, the setting value of catalytic bed are that 160 ℃, the setting value of water bath with thermostatic control cooler are-10 ℃.
The safe removing method of engine ignition discharge tube darkroom effect of the present invention, its advantage and meaning are: the darkroom effect of not only having eliminated the engine ignition electric discharge lamp fully, ignition energy and the spark rate of motor are stablized, also eliminated simultaneously the possibility that other devices of ignition system are broken down by high-voltage, and the production of electric discharge lamp and using process are safer.
[description of drawings]
Fig. 1 is the tritium gas distribution system schematic representation of the safe removing method of engine ignition discharge tube darkroom effect of the present invention;
Fig. 2 is the tritium cleaning treatment system schematic representation of the safe removing method of engine ignition discharge tube darkroom effect of the present invention;
In Fig. 1～Fig. 2,1, vacuum pump; 2, all-metal sealing valve; 3, diaphragm pressure gage; 4, contain tritium working gas steel cylinder; 5, striker; 6, storage tritium vessel; 7, tritium bottle; 8, reduction valve; 9, virgin gas steel cylinder; 10, solenoid valve; 11, diaphragm pump; 12, gas holder; 13, vacuum pump; 14, tritium monitor ionizing chamber; 15, flowmeter; 16, gas mixer; 17, gas preheater; 18, catalytic bed 1/2; 19, air cooling; 20, water bath with thermostatic control cooling; 21, molecular sieve; 22, liquid nitrogen washing molecular sieve; 23, pressure transducer.
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
[embodiment]
The safe removing method of engine ignition discharge tube darkroom effect comprises three aspects:
One, makes the preionization particle that is evenly distributed that has q.s in the electric discharge lamp pipe;
Two, electric discharge lamp user of service's safety;
Three, the process safety that relates to tritium in the electric discharge lamp production process.
For the first two aspect, the present invention solves as the preionization source by introduce tritium in electric discharge lamp.Tritium is the isotope of hydrogen, and just comprises hydrogen in the working gas composition of electric discharge lamp originally, and the tritium of therefore introducing is not impurity component, can the performance of electric discharge lamp not impacted.The character of its gaseous state can be distributed in the whole electric discharge lamp pipe uniformly.Consider the preionization effect of tritium, the half-value period of tritium (12.33), and common 10～15 years requirement storage period of electric discharge lamp, the tritium activity in the working gas is (3.7～7.4) * 10
8Bq/L (is equivalent to concentration 25.8ppm～51.6ppm), can eliminates the darkroom effect (if longer shelf life requirement is arranged, then needing the tritium activity in an amount of increase working gas) of electric discharge lamp fully within storage period.
Simultaneously, the β particle average energy that tritium the radiates 5.7keV that only has an appointment, penetrability is very poor, and the range in the solid materials such as glass, metal only is micron level, so the electric discharge lamp shell of common material can be realized effectively protection to tritium.To the user of service of electric discharge lamp, be not have radiation hazard fully namely.
For the process safety problem that relates to tritium in the electric discharge lamp production process, mainly comprise the preparation that contains the tritium working gas and contain two aspects of processing of tritium tail gas.
The preparation that contains the tritium working gas is that a certain amount of tritium is joined process in the working gas, and its aim is to improve the utilization ratio of tritium as far as possible, and reduces the introducing of foreign gas as far as possible.The scheme that solves this process safety problem is to adopt the tritium gas distribution system, as shown in Figure 1, described tritium gas distribution system comprise vacuum pump 1, all-metal sealing valve 2, diaphragm pressure gage 3, contain tritium working gas steel cylinder 4, striker 5, storage tritium vessel 6, tritium bottle 7, reduction valve 8, virgin gas steel cylinder 9.Vacuum pump 1 by all-metal sealing valve 2 with contain tritium working gas steel cylinder 4 and storage tritium vessel 6 is connected, on vacuum pump 1 and the connecting tube of storage between the tritium vessel 6 diaphragm pressure gage 3 is installed, store up installation reduction valve 8 between tritium vessel 6 and the virgin gas steel cylinder 9.Tritium bottle 7 is placed in the storage tritium vessel 6, and striker 5 enters from storage tritium vessel 6 upper ends and is positioned at tritium bottle 7 tops.
Contain the processing of tritium tail gas, its aim is to reduce the tritium concentration in the tritium tail gas of containing that produces in the electric discharge lamp production process, makes it reach the standard of the direct discharging atmosphere of national regulation.The scheme that solves this process safety problem is to adopt the tritium cleaning treatment system, as shown in Figure 2, described tritium cleaning treatment system comprises diaphragm pump 11, gas holder 12, vacuum pump 13, tritium monitor ionizing chamber 14, flowmeter 15, gas mixer 16, gas preheater 17, catalytic bed 18, air cooled tube road 19, water bath with thermostatic control cooler 20, molecular sieve 21, liquid nitrogen washing molecular sieve 22, pressure transducer 23.The tritium gas that contains of gas distribution system and electric discharge lamp inflation platform enters diaphragm pump 11 through solenoid valve 10, the tritium gas that contains of gas distribution system and electric discharge lamp inflation platform enters liquid nitrogen washing molecular sieve 22 through two solenoid valves, liquid nitrogen washing molecular sieve 22 front end setting pressure sensors 23, diaphragm pump 11 is connected to gas holder 12, a solenoid valve is installed in the middle of it, gas holder 12 is connected to vacuum pump 13, a solenoid valve is installed in the middle of it, gas holder 12 is connected to tritium monitor ionizing chamber 14, a solenoid valve is installed in the middle of it, automatically oxygen supplement mouth enters gas mixer 16 through a solenoid valve and a flowmeter 15, tritium monitor ionizing chamber 14 is connected to gas mixer 16 through a flowmeter 15, connects successively gas preheater 17 behind the gas mixer 16, two-stage catalytic bed 18, air cooled tube road 19, water bath with thermostatic control cooler 20, molecular sieve 21, liquid nitrogen washing molecular sieve 22.A solenoid valve is installed respectively between water bath with thermostatic control cooler 20 and molecular sieve 21 and molecular sieve 21 and the liquid nitrogen washing molecular sieve 22.
Adopt as shown in Figure 1 tritium gas distribution system, with tritium and unstrpped gas safety be mixed with electric discharge lamp required contain the tritium working gas.Step is as follows:
O. start vacuum pump 1, open and contain tritium working gas steel cylinder 4 (empty bottle) valve;
P. open all-metal sealing valve 2, whole gas distribution system is vacuumized, be better than 1.0 * 10 to degree of vacuum
-1Pa closes all-metal sealing valve 2;
Q. open virgin gas steel cylinder 9 valves and reduction valve 8, be filled with unstrpped gas in gas distribution system, charged pressure is (0.08～0.1) MPa, then closes virgin gas steel cylinder 9 valves;
R. above B, C step are once flushing, repeat in order above B, C step 4 time;
The tritium bottle 7 that S. will store up in the tritium vessel 6 with striker 5 is smashed, then open virgin gas steel cylinder 9 valves, utilize high pressure feedstock gas that tritium is imported from storage tritium vessel 6 and contain tritium working gas steel cylinder 4, adjusting reduction valve 8 continues to be inflated to pressure (1.9～2) MPa, closes to contain tritium working gas steel cylinder 4 valves, virgin gas steel cylinder 9 valves and reduction valve 8;
T. with containing in the gas holder 12 that tritium tail gas enters the tritium cleaning treatment system in the gas distribution system;
U. take off and contain tritium working gas steel cylinder 4, access electric discharge lamp inflation platform for the production of.
What produce in the electric discharge lamp production contains tritium tail gas, temporarily be stored in the gas holder 12 of tritium cleaning treatment system as shown in Figure 2 first, after gas holder 12 pressure reach setting value, concentrate and carry out purified treatment, consider that from security standpoint gas holder 12 pressure settings generally are lower than a standard atmospheric pressure) step is as follows:
A. start the tritium cleaning treatment system, the incoming pressure of opening pressurized air and regulating automatic oxygen supplement mouth is (0.1～0.3) Mpa;
B. start gas preheater 17 (120 ℃ of setting values), catalytic bed 18 (160 ℃ of setting values), water bath with thermostatic control cooler 20 (setting value-10 ℃), treating that temperature reaches setting value separately can carry out next step;
C. carry out the circularly purifying processing to containing tritium tail gas, process is as follows:
15) open diaphragm pump 11, contain tritium tail gas and carry out the tritium concentration monitoring by the gas holder 12 tritium monitor ionizing chamber 14 of flowing through;
16) contain tritium tail gas and oxygen after the oxygenating and mix by gas mixer 16, gas coming through preheater 17 carries out preheating again;
17) after the arrival two-stage catalytic bed 18, tritium and oxygen react at this, generate the HTO steam;
18) the HTO steam is collected through the level Four cooling absorption of air-cooler 19, water bath with thermostatic control cooler 20, molecular sieve 21, liquid nitrogen washing molecular sieve 22;
19) residual gas continues to be pressed into gas holder 12 by diaphragm pump 11, carries out the next round circulation;
20) by the tritium concentration of tritium monitor observation tail gas, tritium concentration to be shown is lower than 3.7 * 10
5Bq/m
3When (the limit row of the country standard of tritium), open vacuum pump 13, will enter atmosphere through the tail gas of purified treatment;
21) close the tritium cleaning treatment system, sealing was preserved after HTO was collected, and concentrated and returned tritium source producer.
It should be noted that the safety for the long-term use and maintenance of assurance equipment, the pump that relates in above-mentioned tritium gas distribution system and tritium cleaning treatment system is oil-less pump.In addition, all will adopt the good material manufacturing of the anti-tritium-permeations such as 316L, TU1, Vespel with all inner chamber parts that tritium directly contacts, and inwall need do bright finishing and process, to reduce the area of contact with tritium as far as possible.
Although more than described the specific embodiment of the present invention; but being familiar with those skilled in the art is to be understood that; our described specific embodiment is illustrative; rather than for the restriction to scope of the present invention; those of ordinary skill in the art are in modification and the variation of the equivalence of doing according to spirit of the present invention, all should be encompassed in the scope that claim of the present invention protects.
Claims (7)
1. the safe removing method of an engine ignition discharge tube darkroom effect, introduce tritium as the preionization source of electric discharge lamp, and in the electric discharge lamp production process, adopt tritium gas distribution system and tritium cleaning treatment system, it is characterized in that: described tritium gas distribution system comprises vacuum pump, the all-metal sealing valve, diaphragm pressure gage, contain tritium working gas steel cylinder, striker, the storage tritium vessel, the tritium bottle, reduction valve, the virgin gas steel cylinder, vacuum pump by the all-metal sealing valve with contain tritium working gas steel cylinder and the storage tritium vessel be connected, on the connecting tube between vacuum pump and the storage tritium vessel diaphragm pressure gage is installed, between storage tritium vessel and the virgin gas steel cylinder reduction valve is installed, the tritium bottle is placed in the storage tritium vessel, and striker enters from storage tritium vessel upper end and is positioned at tritium bottle top.
2. the safe removing method of engine ignition discharge tube darkroom effect as claimed in claim 1 is characterized in that: the tritium activity in the electric discharge lamp working gas is (3.7～7.4) * 10
8Bq/L.
3. the safe removing method of engine ignition discharge tube darkroom effect as claimed in claim 1, it is characterized in that: described tritium cleaning treatment system comprises diaphragm pump, gas holder, vacuum pump, the tritium monitor ionizing chamber, flowmeter, gas mixer, gas preheater, catalytic bed, the air cooled tube road, the water bath with thermostatic control cooler, molecular sieve, the liquid nitrogen washing molecular sieve, pressure transducer, the tritium gas that contains of gas distribution system and electric discharge lamp inflation platform enters diaphragm pump through solenoid valve, the tritium gas that contains of gas distribution system and electric discharge lamp inflation platform enters the liquid nitrogen washing molecular sieve through two solenoid valves, liquid nitrogen washing molecular sieve front end setting pressure sensor, diaphragm pump is connected to gas holder, a solenoid valve is installed in the middle of it, gas holder is connected to vacuum pump, a solenoid valve is installed in the middle of it, gas holder is connected to the tritium monitor ionizing chamber, a solenoid valve is installed in the middle of it, automatically oxygen supplement mouth enters gas mixer through a solenoid valve and a flowmeter, the tritium monitor ionizing chamber is connected to gas mixer through a flowmeter, connect successively gas preheater behind the gas mixer, the two-stage catalytic bed, the air cooled tube road, the water bath with thermostatic control cooler, molecular sieve, the liquid nitrogen washing molecular sieve is installed respectively a solenoid valve between water bath with thermostatic control cooler and molecular sieve and molecular sieve and the liquid nitrogen washing molecular sieve.
4. the safe removing method of engine ignition discharge tube darkroom effect as claimed in claim 3 is characterized in that: adopt described tritium gas distribution system, with tritium and unstrpped gas safety be mixed with electric discharge lamp required contain the tritium working gas, step is as follows:
A. start vacuum pump, open and contain tritium working gas cylinder valve, at this moment, containing tritium working gas steel cylinder is empty bottle;
B. open the all-metal sealing valve, whole gas distribution system is vacuumized, be better than 1.0 * 10 to degree of vacuum
-1Pa closes the all-metal sealing valve;
C. open virgin gas cylinder valve and reduction valve, be filled with unstrpped gas in gas distribution system, charged pressure is (0.08～0.1) MPa, then closes the virgin gas cylinder valve;
D. above B, C step are once flushing, repeat in order above B, C step 4 time;
The tritium bottle that E. will store up in the tritium vessel with striker is smashed, then open the virgin gas cylinder valve, tritium is contained tritium working gas steel cylinder from the importing of storage tritium vessel, the adjusting reduction valve continues to be inflated to pressure (1.9～2) MPa, closes to contain tritium working gas cylinder valve, virgin gas cylinder valve and reduction valve;
F. with containing in the gas holder that tritium tail gas enters the tritium cleaning treatment system in the gas distribution system;
G. take off and contain tritium working gas steel cylinder, access electric discharge lamp inflation platform for the production of.
5. the safe removing method of engine ignition discharge tube darkroom effect as claimed in claim 4, it is characterized in that: what produce in the electric discharge lamp production contains tritium tail gas, temporarily be stored in the gas holder of tritium cleaning treatment system first, after gas holder pressure reaches setting value, concentrate and carry out purified treatment, step is as follows:
H. start the tritium cleaning treatment system, the incoming pressure of opening pressurized air and regulating automatic oxygen supplement mouth is (0.1～0.3) Mpa;
I. start gas preheater, catalytic bed, water bath with thermostatic control cooler, treating that temperature reaches setting value separately carries out next step;
J. carry out the circularly purifying processing to containing tritium tail gas, process is as follows:
1) opens diaphragm pump, contain tritium tail gas and carry out the tritium concentration monitoring by the gas holder tritium monitor ionizing chamber of flowing through;
2) contain tritium tail gas and oxygen after the oxygenating and mix by gas mixer, the gas coming through preheater carries out preheating again;
3) after the arrival two-stage catalytic bed, tritium and oxygen react at this, generate the HTO steam;
4) the HTO steam is collected through the level Four cooling absorption of air-cooler, water bath with thermostatic control cooler, molecular sieve, liquid nitrogen washing molecular sieve;
5) residual gas continues to be pressed into gas holder by diaphragm pump, carries out the next round circulation;
6) by the tritium concentration of tritium monitor observation tail gas, tritium concentration to be shown is lower than 3.7 * 10
5Bq/m
3The time, open vacuum pump, will enter atmosphere through the tail gas of purified treatment;
7) close the tritium cleaning treatment system, sealing was preserved after HTO was collected, and concentrated and returned tritium source producer.
6. the safe removing method of engine ignition discharge tube darkroom effect as claimed in claim 5, it is characterized in that: the gas holder pressure setting is lower than a standard atmospheric pressure.
7. the safe removing method of engine ignition discharge tube darkroom effect as claimed in claim 5 is characterized in that: the setting value of described gas preheater is that 120 ℃, the setting value of catalytic bed are that 160 ℃, the setting value of water bath with thermostatic control cooler are-10 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110117521 CN102287306B (en) | 2011-05-06 | 2011-05-06 | Method for safely eliminating engine ignition discharge tube darkroom effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110117521 CN102287306B (en) | 2011-05-06 | 2011-05-06 | Method for safely eliminating engine ignition discharge tube darkroom effect |
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| Publication Number | Publication Date |
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| CN102287306A CN102287306A (en) | 2011-12-21 |
| CN102287306B true CN102287306B (en) | 2013-04-24 |
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| CN 201110117521 Expired - Fee Related CN102287306B (en) | 2011-05-06 | 2011-05-06 | Method for safely eliminating engine ignition discharge tube darkroom effect |
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| CN102791066A (en) * | 2012-08-04 | 2012-11-21 | 庄景阳 | Device for solving discharge tube dark effect by utilizing LED (Light-Emitting Diode) lamp to illuminate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB738182A (en) * | 1953-01-21 | 1955-10-12 | Atomic Energy Authority Uk | Improvements in or relating to gaseous electric discharge devices |
| GB790528A (en) * | 1955-02-16 | 1958-02-12 | Gen Electric | Improvements in electric discharge devices |
| US3461335A (en) * | 1966-07-09 | 1969-08-12 | Philips Corp | Glow-discharge tubes containing a radio-active primer |
| CN101477930A (en) * | 2009-01-22 | 2009-07-08 | 湖北汉光科技股份有限公司 | Inflating process for gas discharging tube |
| CN101923998A (en) * | 2009-06-09 | 2010-12-22 | 陈方斌 | Manufacturing process of high-energy ignition discharge tube |
| CN101924000A (en) * | 2010-07-14 | 2010-12-22 | 安徽华东光电技术研究所 | Accurate control method of breakdown voltage of ignition discharge tube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4977524B2 (en) * | 2007-05-16 | 2012-07-18 | 岡谷電機産業株式会社 | Discharge tube and manufacturing method thereof |
-
2011
- 2011-05-06 CN CN 201110117521 patent/CN102287306B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB738182A (en) * | 1953-01-21 | 1955-10-12 | Atomic Energy Authority Uk | Improvements in or relating to gaseous electric discharge devices |
| GB790528A (en) * | 1955-02-16 | 1958-02-12 | Gen Electric | Improvements in electric discharge devices |
| US3461335A (en) * | 1966-07-09 | 1969-08-12 | Philips Corp | Glow-discharge tubes containing a radio-active primer |
| CN101477930A (en) * | 2009-01-22 | 2009-07-08 | 湖北汉光科技股份有限公司 | Inflating process for gas discharging tube |
| CN101923998A (en) * | 2009-06-09 | 2010-12-22 | 陈方斌 | Manufacturing process of high-energy ignition discharge tube |
| CN101924000A (en) * | 2010-07-14 | 2010-12-22 | 安徽华东光电技术研究所 | Accurate control method of breakdown voltage of ignition discharge tube |
Non-Patent Citations (1)
| Title |
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| JP特开2008-287961A 2008.11.27 |
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