CN2319820Y - Photoelectric pulse modulator for detecting strange nucleon - Google Patents
Photoelectric pulse modulator for detecting strange nucleon Download PDFInfo
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- CN2319820Y CN2319820Y CN 97228927 CN97228927U CN2319820Y CN 2319820 Y CN2319820 Y CN 2319820Y CN 97228927 CN97228927 CN 97228927 CN 97228927 U CN97228927 U CN 97228927U CN 2319820 Y CN2319820 Y CN 2319820Y
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- pin
- trigger
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- triode
- detector
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Abstract
The utility model relates to a photoelectric pulse modulator for detecting the strange nucleon, comprising a stepping motor, a target, a detector, etc. A rotating disk is arranged between the target and the detector, the radially symmetrical positions at intervals correspondingly are provided with a wide joint and a narrow joint, and the both sides of the rotating disk at the corresponding narrow joint position are respectively provided with a light source and a photoelectric sensor. The wide joint and positions of the target and the detector are corresponding, and the photoelectric sensor and a beam current modulation pulse signal generating circuit are connected. The utility model can detect the nuclear decay whose life time is shorter than 30 milliseconds, detecting collection efficiency is enhanced with one order of magnitude or more than the traditionary helium injection nozzle technology, the nuclear lifetime is more shorter, and increased efficiency of the detection efficiency of the utility model is more evident.
Description
The utility model relates to a kind of beam modulator of photoelectric pulse that singular kernel is surveyed and studied that is used for.
Be the very active and field, very important forward position of nuclear physics research for exploration at present away from βWen Dingxian element (heteronuclear of also expressing one's surprise, wonder, etc), it is for finding new nucleic, new nucleatr decay mode and then check and widen existing theory of nuclear structure that in-depth all has crucial meaning to interactional understanding in examining.Along with target nuclear lifetime shorter and shorter (being shorter than 10 milliseconds), cross section littler (less than 1 microbar), traditional helium nozzle technology has been subjected to the restriction of transmission time and efficient.
The purpose of this utility model is for the nuclear decay that provides a kind of detectable nuclear lifetime to be shorter than 30 milliseconds, surveys collection efficiency than 1 beam modulator of photoelectric pulse that is used for the singular kernel detection more than the order of magnitude of traditional helium nozzle technology raising.
The purpose of this utility model can realize by following measure:
A kind of beam modulator of photoelectric pulse that is used for the singular kernel detection, contain stepper motor, target and detector etc., between target and detector, be placed with rotating disk, radial symmetry location interval correspondence at rotating disk is provided with wide seam and narrow slit, rotating disk both sides in corresponding narrow slit position are respectively equipped with light source and photoelectric sensor, and wide seam is corresponding with target and position of detector; Photoelectric sensor and line modulated pulse signal generation circuit link.
The purpose of this utility model also can realize by following measure:
The described maximum radius that is used for the narrow slit of the beam modulator of photoelectric pulse that singular kernel surveys is less than or equal to the least radius of wide seam.
The described line modulated pulse signal generation circuit that is used for the beam modulator of photoelectric pulse of singular kernel detection is by photoelectric sensor T
1Emitter and triode T
2Base stage link triode T
2Emitter link to each other with 1 pin of Schmidt trigger U1A, 2 pin of trigger U1A link to each other with 3 pin of 2 pin, 9 pin and the U1B of monostable trigger U2A, U2B respectively, 4 pin of monostable trigger U2A and 6 pin of trigger U1C are through Sheffer stroke gate U
4, inductance L
1Link to each other with 11 pin of trigger U2B, pass through resistance R by 5 pin of U2B
20With triode T
9Base stage link to each other, by T
9The modulating pulse of collector generation+5V line behind frequency synthesizer, link through amplitude stabilization conversion, the D circuit that amplifies the high frequency resonate cavity of back and accelerator again; 4 pin of trigger U1B link with 5 pin of trigger U1C, 2 pin of U3A and 11 pin of U3B respectively in addition, 4 pin of trigger U3A and 10 pin of trigger U3B link, and are assisted into logical block by four in the signal Processing of the output 5 pin output+5V strobe pulses of U3B and detector to link.
5 pin of trigger U2B pass through resistance R in addition
17With triode T
8Base stage link T
2The radio utmost point and triode T
5The radio utmost point link, in addition 12 pin by trigger U2B pass through resistance R
16With triode T
1Base stage link, by T
5The line modulating pulse of collector generation+400V; Again by 5 pin of trigger U2B, 12 pin respectively with photo-coupler BG
1, BG
1Link photo-coupler BG
1, BG
2Output terminal respectively with triode T
3, T
4Base stage link triode T
3, T
4Collector respectively with triode T
7, T
8Base stage link T
7, T
8Radio utmost point serial connection and by T
1The modulating pulse of collector output- 400V line.
The utility model has following advantage compared to existing technology:
1, the utility model utilizes the stepper motor of adjustable speed to drive rotating disk rotation, on rotating disk, be provided with wide, narrow slit, be provided with light source and photoelectric sensor at the narrow slit place, because narrow slit periodically makes the light of light source be received by photoelectric sensor during dial rotation, the electric signal of photoelectric sensor produces modulating pulse after signal processing circuit, this pulse is added on the storbing gate of electronic system of the D circuit of high frequency resonate cavity of accelerator and detector, thereby can make the opening and closing chopping of line, beam burst is impinged upon on the target with gap, and rotating disk blocks detector between the light period; Target is relative with the wide seam of rotating disk when not shining, thereby can make the detectable radioactivity that rests on the target of detector.
2, the trailing edge delay time of line modulating pulse of the present utility model is that 10 microseconds-15 are millisecond continuous adjustable, its strobe pulse forward position is that 10 microseconds-15 are millisecond continuous adjustable time delay, thereby can guarantee that line opening and closing and data acquisition time are very reliable corresponding, guarantee the safety in utilization of detector.
3, the utility model can be used for surveying and studying the nucleic that the generation cross section is little, the life-span is short, owing to be not subjected to the influence of element physicochemical property, thereby be particularly suitable for surveying the short-lived nuclide of inert gas and high temperature infusibility, be shorter than 30 milliseconds nuclear decay for surveying the life-span, its detection efficiency improves one more than the order of magnitude than traditional helium nozzle technology, nuclear lifetime is short more, and the effect that its detection efficiency increases is remarkable more.
Concrete structure of the present utility model is provided by the following drawings:
Fig. 1 is a structural representation of the present utility model
1-rotating disk 2-light source 3-photoelectric sensor 4-narrow slit
The wide seam of 5-target 6-7-detector
Fig. 2 is that A of the present utility model is to synoptic diagram
Fig. 3 is the utility model line modulated pulse signal generation circuit diagram
The utility model is also incited somebody to action in conjunction with the accompanying drawings, and 1,2,3 embodiment are described in further detail:
With reference to Fig. 1,2, a kind of beam modulator of photoelectric pulse that is used for the singular kernel detection contains stepper motor, target 5 and detector 7 etc., and stepper motor is controlled by electric motor speed controller, and stepper motor drives rotating disk 1 and rotates; Be placed with rotating disk 1 between target 5 and detector 7, be provided with wide seam 6 and narrow slit 4 in the radial symmetry location interval correspondence of rotating disk 1, the maximum radius of narrow slit 4 is less than or equal to the least radius of wide seam 6; Rotating disk 1 both sides in corresponding narrow slit 4 positions are respectively equipped with light source 2 and photoelectric sensor 3, and wide seam 6 is corresponding with the position of target 5 and detector 7; Photoelectric sensor 3 links with line modulated pulse signal generation circuit.With reference to Fig. 3, line modulated pulse signal generation circuit is by photoelectric sensor T
1Emitter and triode T
2Base stage link triode T
2Emitter link to each other with 1 pin of Schmidt trigger U1A, 2 pin of trigger U1A link to each other with 3 pin of 2 pin, 9 pin and the U1B of monostable trigger U2A, U2B respectively, 4 pin of monostable trigger U2A and 6 pin of trigger U1C are through Sheffer stroke gate U4, inductance L
1Link to each other with 11 pin of trigger U2B, pass through resistance R by 5 pin of U2B
20With triode T
9Base stage link to each other, by T
3The modulating pulse of collector generation+5V line behind frequency synthesizer, link through amplitude stabilization conversion, the D circuit that amplifies the high frequency resonate cavity of back and accelerator again; 4 pin of trigger U1B link with 5 pin of trigger U1C, 2 pin of U3A and 11 pin of U3B respectively in addition, 4 pin of trigger U3A and 10 pin of trigger U3B link, and are linked by four input logic unit in the signal Processing of the output 5 pin output+5V strobe pulses of U3B and detector.5 pin of trigger U2B pass through resistance R in addition
17With triode T
5Base stage link T
8The radio utmost point and triode T
5The radio utmost point link; 12 pin by trigger U2B pass through resistance R in addition
18With triode T
5Base stage link, by T
5The line modulating pulse of collector generation+400V; Again by 5 pin of trigger U2B, 12 pin respectively with photo-coupler BG
1, BG
2Link photo-coupler BG
1, BG
2Output terminal respectively with triode T
3, T
4Base stage link triode T
3, T
4Collector respectively with triode T
7, T
4Base stage link T
7, T
8Radio utmost point serial connection and by T
1The modulating pulse of collector output-400V line.
Claims (4)
1, a kind of beam modulator of photoelectric pulse that is used for the singular kernel detection, contain stepper motor, target (5) and detector (7) etc., it is characterized in that between target (5) and detector (7), being placed with rotating disk (1), radial symmetry location interval correspondence at rotating disk (1) is provided with wide seam (6) and narrow slit (4), rotating disk (1) both sides in corresponding narrow slit (4) position are respectively equipped with light source (2) and photoelectric sensor (3), and wide seam (6) is corresponding with the position of target (5) and detector (7); Photoelectric sensor (3) links with line modulated pulse signal generation circuit.
2, the beam modulator of photoelectric pulse that is used for the singular kernel detection as claimed in claim 1 is characterized in that the maximum radius of narrow slit (4) is less than or equal to the least radius of wide seam (6).
3, the beam modulator of photoelectric pulse that is used for the singular kernel detection as claimed in claim 1 is characterized in that line modulated pulse signal generation circuit is by photoelectric sensor T
1Emitter and triode T
2Base stage link triode T
2Emitter link to each other with 1 pin of Schmidt trigger U1A, 2 pin of trigger U1A link to each other with 3 pin of 2 pin, 9 pin and the U1B of monostable trigger U2A, U2B respectively, 4 pin of monostable trigger U2A and 6 pin of trigger U1C are through Sheffer stroke gate U
4, inductance L
1Link to each other with 11 pin of trigger U2B, pass through resistance R by 5 pin of U2B
10With triode T
3Base stage link to each other, by T
9The modulating pulse of collector generation+5V line behind frequency synthesizer, link through amplitude stabilization conversion, the D circuit that amplifies the high frequency resonate cavity of back and accelerator again; 4 pin of trigger U1B link with 5 pin of trigger U1C, 2 pin of U3A and 11 pin of U3B respectively in addition, 4 pin of trigger U3A and 10 pin of trigger U3B link, and are linked by four input logic unit in the signal Processing of the output 5 pin output+5V strobe pulses of U3B and detector.
4, the beam modulator of photoelectric pulse that is used for the singular kernel detection as claimed in claim 3 is characterized in that 5 pin of trigger U2B pass through resistance R
17With triode T
6Base stage link T
6The radio utmost point and triode T
5The radio utmost point link, in addition 12 pin by trigger U2B pass through resistance R
16With triode T
5Base stage link, by T
5The line modulating pulse of collector generation+400V; 5 pin, 12 pin by trigger U2B link photo-coupler BG respectively with photo-coupler BG1, BG7 again
1, BG
2Output terminal respectively with triode T
3, T
4Base stage link triode T
3, T
4Collector respectively with triode T
7, T
8Base stage link T
1, T
2Radio utmost point serial connection and by T
1The modulating pulse of collector output-400V line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97228927 CN2319820Y (en) | 1997-10-21 | 1997-10-21 | Photoelectric pulse modulator for detecting strange nucleon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97228927 CN2319820Y (en) | 1997-10-21 | 1997-10-21 | Photoelectric pulse modulator for detecting strange nucleon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2319820Y true CN2319820Y (en) | 1999-05-19 |
Family
ID=33941915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97228927 Expired - Fee Related CN2319820Y (en) | 1997-10-21 | 1997-10-21 | Photoelectric pulse modulator for detecting strange nucleon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2319820Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102662348A (en) * | 2012-04-24 | 2012-09-12 | 中国科学院高能物理研究所 | Rotary disk modulator of photon signal modulator and photon signal modulator |
| CN106647516A (en) * | 2016-12-29 | 2017-05-10 | 中国科学院高能物理研究所 | Photon signal modulation device |
| CN111208550A (en) * | 2020-01-08 | 2020-05-29 | 中国科学院近代物理研究所 | Transverse and longitudinal beam schottky signal detector |
-
1997
- 1997-10-21 CN CN 97228927 patent/CN2319820Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102662348A (en) * | 2012-04-24 | 2012-09-12 | 中国科学院高能物理研究所 | Rotary disk modulator of photon signal modulator and photon signal modulator |
| CN102662348B (en) * | 2012-04-24 | 2015-09-23 | 中国科学院高能物理研究所 | The disc-rotor modulation device of photon signal modulator and photon signal modulator |
| CN106647516A (en) * | 2016-12-29 | 2017-05-10 | 中国科学院高能物理研究所 | Photon signal modulation device |
| CN106647516B (en) * | 2016-12-29 | 2018-11-09 | 中国科学院高能物理研究所 | Photon signal modulating device |
| CN111208550A (en) * | 2020-01-08 | 2020-05-29 | 中国科学院近代物理研究所 | Transverse and longitudinal beam schottky signal detector |
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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 |