CN2242520Y - Device for repairing electron tube - Google Patents
Device for repairing electron tube Download PDFInfo
- Publication number
- CN2242520Y CN2242520Y CN95231764U CN95231764U CN2242520Y CN 2242520 Y CN2242520 Y CN 2242520Y CN 95231764 U CN95231764 U CN 95231764U CN 95231764 U CN95231764 U CN 95231764U CN 2242520 Y CN2242520 Y CN 2242520Y
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- circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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Abstract
The utility model discloses a device for repairing an electron tube, belonging to the field of an electron tube. An alternating current-direct current converting circuit, a high-frequency circuit, a high voltage generating circuit, a converting switch and an output end are connected in series in sequence, and a frequency modulation circuit is in parallel connection with a high-frequency circuit. One end of a timing control circuit is connected with the high-frequency circuit, and the other end is connected with the output end. The utility model can be used for removing impurities between electrodes, accurately find out an activated operating point and has obvious activating effect, thus preventing gun hurt accident from happening. The utility model has simple operation and safe utilization and is suitable for repairing the electron tube of a television picture tube, a display, an acoustics device, etc.
Description
The utility model belongs to the electron tube field.
Electron tube is because long-term use easily causes the aging of cathode, the emitting electrons ability reduced or can not emitting electrons.The counter voltage ballistic method is adopted in the electron tube reparation usually.The available technology adopting Industrial Frequency Transformer is got filament voltage and grid voltage, and target adds negative potential, and grid adds positive potential, and repeated stock activates order ground to reach.But owing to adopt Industrial Frequency Transformer, electric voltage frequency is non-adjustable, activates the working point and looks for inaccurately, and activation effect is undesirable, can not activate the negative electrode of serious aging, interelectrode leakageg, Lian Ji etc.And, easily cause and hinder the rifle accident because the impulse time can not be controlled.
The purpose of this utility model just provides the electron tube instrument for repairing that a kind of electric voltage frequency can be adjusted, the impulse time is controlled.
The purpose of this utility model is achieved in that a kind of electron tube instrument for repairing, it is characterized in that: it is made up of ac-dc converter circuit, high-frequency circuit, high-pressure generating circuit, timing control circuit, FM circuit, change over switch and output, ac-dc converter circuit, high-frequency circuit, high-pressure generating circuit, change over switch and output are connected in series successively, FM circuit is in parallel with high-frequency circuit, timing control circuit one end is connected with high-frequency circuit, and the other end and output join.
The utility model is provided with high-pressure generating circuit, can swash impurity between electrode and remove, and can get rid of phenomenons such as interelectrode leakageg, Lian Ji, guarantees repairing effect.Owing to adopt frequency regulating circuit, can adjust synchronously filament voltage, grid voltage, high pressure, can accurately find out and activate the working point, activation effect is obvious, and repair rate can reach 85%.Owing to be provided with timing control circuit, can avoid hindering the generation of rifle accident, and easy and simple to handle, safe and reliable.The utility model is applicable to the reparation of electron tubes such as television picture tube, display, sound equipment.
Fig. 1 is the utility model shell.
Fig. 2 is the utility model circuit block diagram.
Fig. 3 is the utility model circuit theory diagrams.
Below in conjunction with accompanying drawing the utility model is described in further details.
The utility model is made up of ac-dc converter circuit, high-frequency circuit, high-pressure generating circuit, timing control circuit, FM circuit, change over switch and output.Ac-dc converter circuit, high-frequency circuit, high-pressure generating circuit, change over switch and output are connected in series successively, and FM circuit is in parallel with high-frequency circuit, and timing control circuit one end is connected with high-frequency circuit, and the other end and output join.
Ac-dc converter circuit comprises mains switch K
1, resistance R
1, capacitor C
1, autotransformer T
1, silicon bridge D
0, can finish the direct current conversion to the 220V alternating voltage, by silicon bridge D
0The direct voltage of output is 300V.
High-frequency circuit comprises triode G
2, G
3, switch transformer B
1, diode D
4～D
7, resistance R
2～R
12Diode D
4With capacitor C
8In parallel and with triode G
2Collector electrode join triode G
3Base stage and triode G
2Collector electrode link to each other silicon bridge D
0Output passes through resistance R
11With triode G
3Collector electrode join.By switch transformer B
1, triode G
3, make 300V, 50Hz direct voltage convert 20KHz, 800V crest voltage to.
High-pressure generating circuit comprises switch transformer B
1, high-tension transformer B
2, diode D
9B
13 pin, 4 feels answer electromotive force.B
15 pin, 7 pin and B
2Pin 1,2 pin join B
25 pin series diode D
9Meet output GV, B
23 pin series diode D
10, capacitor C
16, voltmeter V
2And variable resistor W
2Be connected in parallel and and K switch
2Link to each other.High-pressure generating circuit can make by switch transformer B
1The 20V voltage of 5 pin, the output of 7 pin is through high-tension transformer B
25 pin, diode D
10Output 7000V～12000V voltage is meanwhile by diode D
10, capacitor C
16Rectification goes out-100～200V voltage.
FM circuit comprises variable resistor W
1, integrated circuit Ic
1, Ic
2, triode G
1, G
4, resistance R
14, R
15, R
16Ic
1Select the optocoupler integrated circuit for use, as 4N35,4N26,4N25 etc., integrated circuit Ic
2Adopt C431.Ic
21 pin and resistance R
14, R
15, R
16Link to each other Ic
23 pin pass through resistance R
15With Ic
1Link to each other triode G
4Collector electrode and Ic
14 pin join, its base stage and triode G
3Emitter link to each other triode G
1Collector electrode and triode G
2Base stage link to each other.Frequency modulation control is by B
19 pin are through diode D
8, filter inductance T
2, variable resistor W
1, resistance R
14, R
15, R
16Given Ic
21 pin is by Ic
2Pin 3 is through R
12Enter Ic
1Control triode G
1, reach frequency modulation and voltage modulation.
Timing control circuit comprises integrated circuit Ic
3, Ic
4, resistance R
19, R
20, capacitor C
17, C
18, relay J.Ic
3Select integrated circuit NE555 for use, Ic
4Select integrated circuit 7806 for use.Ic
43 pin and Ic
38 pin, 4 pin join and pass through R
19With Ic
36 pin join, and pass through R
20With Ic
32 pin join, relay and Ic
33 pin link to each other and through voltmeter V
1, capacitor C
15, resistance R
17With filter inductance T
2Link to each other, timing was selected for use 55 seconds.
Change over switch is by K
2～K
8Form, be used for determining detection, reparation, negative electrode selection.K
6Connect ammeter V
1, K
2Be Test Switchboard, K
3～K
5Be cathode switch, K
7Be filament switch, K
8Be restoration switch, regularly start.
Output is incorporated into the repair of carrying out automatic or manual between each electrode of electron tube, wherein G by connector
1, RK, GK, BK respectively with K
2, K
3, K
4, K
5Join H
+, H
-With K
7Join.
During work, at first press mains switch K
1, each electrode with socket connection prosthetic device detects the prosthetic device initial data, can repair when each cathode electronics emissivities is not less than 10 μ A.Close change over switch K then
3, K switch
8, remove each electrode impurities with high pressure, to get rid of phenomenons such as interelectrode leakageg, Lian Ji.As find the scintillation flower, and just continue to swash to remove, when waiting not have arcing, open change over switch K
3, press change over switch K
2, while selective switchgear K
5Or K switch
6, K
7, the Push switch K switch
8, adjust variable resistor W
1, just can adjust synchronously filament voltage, grid voltage, high pressure, when the ammeter reading has obvious swing, when numerical value increases, stops to adjust, begin to activate.After 55 seconds, stop automatically activating, detect this moment again, brings up to 50 μ A when above as the cathode emission electric current, can swash again and once consolidate effect, for aging serious pipe, for reaching the activation purpose, can repeat several.
Claims (2)
1. electron tube instrument for repairing, it is characterized in that: it is made up of ac-dc converter circuit, high-frequency circuit, high-pressure generating circuit, timing control circuit, FM circuit, change over switch and output, ac-dc converter circuit, high-frequency circuit, high-pressure generating circuit, change over switch and output are connected in series successively, FM circuit is in parallel with high-frequency circuit, timing control circuit one end is connected with high-frequency circuit, and the other end and output join.
2. electron tube instrument for repairing according to claim 1 is characterized in that: described high-frequency circuit comprises triode G
2, G
3, switch transformer B
1, diode D
4～D
7, resistance R
2～R
12, diode D
4With capacitor C
8In parallel and with triode G
2Collector electrode join triode G
3Base stage and triode G
2Collector electrode link to each other the output D of ac-dc converter circuit
0Pass through resistance R
11Join with the collector electrode of triode, described high-pressure generating circuit comprises switch transformer B
1, high-tension transformer B
2, diode D
9, B
15 pin, 7 pin and B
21 pin, 2 pin join B
25 pin series diode D
9Meet output Gv, B
23 pin series diode D
10, with capacitor C
16, ammeter V
2And variable resistor W
2Be connected in parallel and and K switch
2Link to each other, described change over switch is by K
2～K
8Form, described FM circuit comprises variable resistor W
1, integrated circuit Ic
1, Ic
2, triode G
1, G
4, resistance R
14, R
15, R
16, filter inductance T
2, Ic
21 pin and resistance R
14, R
15, R
16Link to each other Ic
23 pin pass through resistance R
15With Ic
1Link to each other triode G
4Collector electrode and Ic
14 pin join, its base stage and triode G
3Emitter link to each other G
1Collector electrode and G
2Base stage link to each other, described timing control circuit comprises integrated circuit Ic
3, Ic
4, resistance R
19, R
20, capacitor C
17, C
18, relay J, Ic
43 pin and Ic
38 pin, 4 pin join and pass through R
19With Ic
36 pin join, and pass through R
20With Ic
32 pin join, relay and Ic
33 pin link to each other, and with filter inductance T
2Link to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95231764U CN2242520Y (en) | 1995-07-21 | 1995-07-21 | Device for repairing electron tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95231764U CN2242520Y (en) | 1995-07-21 | 1995-07-21 | Device for repairing electron tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2242520Y true CN2242520Y (en) | 1996-12-11 |
Family
ID=33876293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95231764U Expired - Fee Related CN2242520Y (en) | 1995-07-21 | 1995-07-21 | Device for repairing electron tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2242520Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100361261C (en) * | 2004-04-08 | 2008-01-09 | 彩虹集团电子股份有限公司 | Apparatus and method for repairing electronic gun short circuit color kinescope |
| CN101870079A (en) * | 2010-05-25 | 2010-10-27 | 广州市地下铁道总公司 | Alternating-current electric grinding method for conductive contact surfaces |
| CN101870078A (en) * | 2010-05-25 | 2010-10-27 | 广州市地下铁道总公司 | Direct-current electric grinding method for conductive contact surfaces |
| CN102074398A (en) * | 2011-01-26 | 2011-05-25 | 广州市地下铁道总公司 | Full-isolated real-time online diagnosis repairing system for conductive contact surface performance and use method thereof |
| CN102074397A (en) * | 2011-01-26 | 2011-05-25 | 广州市地下铁道总公司 | Conductive contact surface performance mutual inductance isolating real-time online diagnosing and repairing system and using method thereof |
| CN102161180A (en) * | 2011-01-26 | 2011-08-24 | 广州市地下铁道总公司 | System for reliably and automatically diagnosing and repairing long-distance multi-node train line on line and using method thereof |
| CN102161181A (en) * | 2011-01-26 | 2011-08-24 | 广州市地下铁道总公司 | Mutual-induction type automatic online reliability diagnosing and repairing system for long-distance multi-node train line and use method thereof |
| CN102169769A (en) * | 2011-01-26 | 2011-08-31 | 广州市地下铁道总公司 | Conductive contact surface performance online diagnosing and repairing system and using method thereof |
-
1995
- 1995-07-21 CN CN95231764U patent/CN2242520Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100361261C (en) * | 2004-04-08 | 2008-01-09 | 彩虹集团电子股份有限公司 | Apparatus and method for repairing electronic gun short circuit color kinescope |
| CN101870079A (en) * | 2010-05-25 | 2010-10-27 | 广州市地下铁道总公司 | Alternating-current electric grinding method for conductive contact surfaces |
| CN101870078A (en) * | 2010-05-25 | 2010-10-27 | 广州市地下铁道总公司 | Direct-current electric grinding method for conductive contact surfaces |
| CN102074398A (en) * | 2011-01-26 | 2011-05-25 | 广州市地下铁道总公司 | Full-isolated real-time online diagnosis repairing system for conductive contact surface performance and use method thereof |
| CN102074397A (en) * | 2011-01-26 | 2011-05-25 | 广州市地下铁道总公司 | Conductive contact surface performance mutual inductance isolating real-time online diagnosing and repairing system and using method thereof |
| CN102161180A (en) * | 2011-01-26 | 2011-08-24 | 广州市地下铁道总公司 | System for reliably and automatically diagnosing and repairing long-distance multi-node train line on line and using method thereof |
| CN102161181A (en) * | 2011-01-26 | 2011-08-24 | 广州市地下铁道总公司 | Mutual-induction type automatic online reliability diagnosing and repairing system for long-distance multi-node train line and use method thereof |
| CN102169769A (en) * | 2011-01-26 | 2011-08-31 | 广州市地下铁道总公司 | Conductive contact surface performance online diagnosing and repairing system and using method thereof |
| CN102074397B (en) * | 2011-01-26 | 2013-02-13 | 广州市地下铁道总公司 | Conductive contact surface performance mutual inductance isolating real-time online diagnosing and repairing system and using method thereof |
| CN102161181B (en) * | 2011-01-26 | 2013-05-01 | 广州市地下铁道总公司 | Mutual-induction type automatic online reliability diagnosing and repairing system for long-distance multi-node train line and use method thereof |
| CN102161180B (en) * | 2011-01-26 | 2013-05-01 | 广州市地下铁道总公司 | System for reliably and automatically diagnosing and repairing long-distance multi-node train line on line and using method thereof |
| CN102169769B (en) * | 2011-01-26 | 2014-02-12 | 广州市地下铁道总公司 | Conductive contact surface performance online diagnosing and repairing system and using method thereof |
| CN102074398B (en) * | 2011-01-26 | 2014-02-12 | 广州市地下铁道总公司 | Full-isolated real-time online diagnosis repairing system for conductive contact surface performance and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |