CN203908630U - Nucleon level gage detector - Google Patents
Nucleon level gage detector Download PDFInfo
- Publication number
- CN203908630U CN203908630U CN201420351649.3U CN201420351649U CN203908630U CN 203908630 U CN203908630 U CN 203908630U CN 201420351649 U CN201420351649 U CN 201420351649U CN 203908630 U CN203908630 U CN 203908630U
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- CN
- China
- Prior art keywords
- housing
- tube
- driving circuit
- counter tube
- rubber base
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Abstract
The utility model discloses a nucleon level gage detector, belonging to the technical field of nucleon level gage detection, and solving the problem that a conventional nucleon level gage detector is easy to damage when vibrated and hit. The shell of the nucleon level gage detector is of a cylinder structure of which two ends are opened; a front end opening of the shell is sealed by a front cover; the rear end of the shell is coaxially sleeved with one end of an extended tube; a rear end opening of the extended tube is sealed by a rear cover; one end of a cable locking head is embedded into the rear cover; a GM counting tube is fixed inside the shell, and the GM counting tube is coaxially arranged with the shell; one end of the GM counting tube is connected with a high-voltage power supply end of a terminal strip through a lead, and the end of the GM counting tube is connected with an amplification driving circuit counting signal output end through another lead; the other end of the GM counting tube is connected with a grounding end of the terminal strip through another lead; an amplified signal output end of the amplification driving circuit is connected with a counting signal end of the terminal strip; a led cable is connected with the terminal strip through the cable locking head. The nucleon level gage detector is applicable to detection on a nucleon level.
Description
Technical field
The invention belongs to core monitoring material position technical field.
Background technology
Because core instrument has, do not contact with measured object can nondestructive measurement, is particularly suitable for the level gauging under the severe environmental conditions such as high temperature, high pressure, dust, the huge poison of burn into, has a wide range of applications at present at industrial automatic control.
Nucleon level-sensing device detector is made up of special radiation transducers and signal processing circuit, and wherein γ photon signal is converted to electric signal by radiation transducers, processes output through signal processing circuit.Detector because of adopt radiation transducers difference can be divided into: gas detector, scintillation detector, semiconductor detector etc.GM counter tube detector is to apply at present one of gas detector more widely.That (GMGeiger-Muller Geiger-Miller) counter tube has advantages of is highly sensitive, pulse height large, good stability, easy to use, cheap.
For many years, the nucleon level-sensing device of domestic application adopts separated structure mostly, is made up of detector, radioactive source, secondary instrument three parts, and detector and radioactive source are placed in respectively the both sides of material level container, because detector is often subject to rapping impact, its inner GM counter tube easily damages.
Summary of the invention
The utility model is to hold flimsy problem in order to solve when existing nucleon level-sensing device detector is subject to rapping, has proposed a kind of nucleon level-sensing device detector.
Nucleon level-sensing device detector described in the utility model, this detector comprises protecgulum, housing, extension tube, bonnet, cable locking head, front rubber base, GM counter tube, rubbery loop, rear rubber base, wiring board support, copper post, amplification driving circuit, terminal row and draws wire;
Housing is the cylindrical structure of both ends open, protecgulum is by the front opening sealing of housing, the rear end of housing and one end of extension tube are coaxially socketed, bonnet is by the open rearward end sealing of extension tube, the center of bonnet has manhole, one end of cable locking head is mounted in the manhole at bonnet center, GM counter tube is fixed on enclosure interior, and GM counter tube and housing coaxially arrange, the front end of GM counter tube is mounted in the center of front rubber base rear surface, front rubber base is fixed on the front end of enclosure interior, the rear end of GM counter tube is mounted in the center of rear rubber base front surface, rear rubber base is fixed on the rear end of enclosure interior, rubbery loop is socketed in the outside at GM counter tube middle part, the lateral surface of rubbery loop is fixedly connected with the inside surface of housing, the high-tension electricity source that arrange by conductor terminal one end of GM counter tube, and this end of GM counter tube connects amplification driving circuit count signal output terminal by wire, the earth terminal that the other end of GM counter tube is arranged by conductor terminal, the amplified signal output terminal splicing ear row's of amplification driving circuit count signal end, outgoing cable is connected with terminal row by cable locking head, the wiring board of amplification driving circuit is fixed in extension tube, and the edge of the wiring board of amplification driving circuit is fixedly connected with the inwall of extension tube.
Nucleon material level detector described in the utility model improves the compactedness between GM counter tube and rubber base, has improved transmission quality and the collecting efficiency of light signal.Protection detector is being subject under rapping impact, and its inner GM counter tube is not damaged.
The concrete beneficial effect of the present utility model shows following two aspects:
1, use the fixing GM counter tube of rubber base and rubbery loop, prevent that GM counter tube is in housing internal vibration.
2, use the rear rubber base of wiring board tray deck extruding, increase the compactedness contacting between rubber base and GM counter tube.
Brief description of the drawings
Fig. 1 is the structural representation of nucleon level-sensing device detector described in the utility model.
Embodiment
Embodiment one, in conjunction with Fig. 1, present embodiment is described, nucleon level-sensing device detector described in present embodiment, this detector comprises protecgulum 1, housing 2, extension tube 3, bonnet 4, cable locking head 5, front rubber base 6, GM counter tube 7, rubbery loop 8, rear rubber base 9, wiring board support 10, copper post 11, amplification driving circuit 12, terminal row 13 and draws wire 14;
The cylindrical structure that housing 2 is both ends open, protecgulum 1 is by the front opening sealing of housing 2, one end of the rear end of housing 2 and extension tube 3 is coaxially socketed, bonnet 4 is by the open rearward end sealing of extension tube 3, the center of bonnet 4 has manhole, one end of cable locking head 5 is mounted in the manhole at bonnet 4 centers, GM counter tube 7 is fixed on housing 2 inside, and GM counter tube 7 coaxially arranges with housing 2, the front end of GM counter tube 7 is mounted in the center of front rubber base 6 rear surfaces, front rubber base 6 is fixed on the front end of housing 2 inside, the rear end of GM counter tube 7 is mounted in the center of rear rubber base 9 front surfaces, rear rubber base 9 is fixed on the rear end of housing 2 inside, rubbery loop 8 is socketed in the outside at GM counter tube 7 middle parts, the lateral surface of rubbery loop 8 is fixedly connected with the inside surface of housing 2, 13 high-tension electricity source is arranged in one end of GM counter tube 7 by conductor terminal, and this end of GM counter tube 7 connects amplification driving circuit 12 count signal output terminals by wire, the other end of GM counter tube 7 is arranged 13 earth terminal by conductor terminal, the amplified signal output terminal splicing ear row's 13 of amplification driving circuit 12 count signal end, outgoing cable 14 is connected with terminal row 13 by cable locking head 5, the wiring board of amplification driving circuit 12 is fixed in extension tube 3, and the edge of the wiring board of amplification driving circuit 12 is fixedly connected with the inwall of extension tube 3.
Embodiment two, present embodiment are further illustrating the nucleon level-sensing device detector described in embodiment one, this detector also comprises circuit carriers 10 and two copper posts 11, one side of circuit carriers 10 and the laminating of the rear surface of rear rubber base 9, the other end that the opposite side of circuit carriers 10 is vertically fixed with 11, two copper posts 11 of two copper posts is vertically fixed on the front surface of the wiring board of amplification driving circuit 12.
Embodiment three, present embodiment are further illustrating the nucleon level-sensing device detector described in embodiment one or two, the 12V voltage signal output line splicing ear of outgoing cable 15 is arranged 13 power ends, the 390V voltage signal output line splicing ear row's 13 of outgoing cable 15 high-tension electricity source, the ground wire splicing ear row's 13 of outgoing cable 15 earth terminal, the signal transmssion line splicing ear row's 13 of outgoing cable 15 count signal end.
Embodiment four, present embodiment are to the further illustrating of the nucleon level-sensing device detector described in embodiment three, and amplification driving circuit 12 adopts NE555 chip to realize.
GM counter tube receives gamma-rays, and γ photon is converted to pulse signal, and pulse signal, after the amplification of LM319 circuit and NE555 drives, is input to secondary instrument by cable and carries out analyzing and processing.
Claims (4)
1. nucleon level-sensing device detector, it is characterized in that, this detector comprises protecgulum (1), housing (2), extension tube (3), bonnet (4), cable locking head (5), front rubber base (6), GM counter tube (7), rubbery loop (8), rear rubber base (9), wiring board support (10), copper post (11), amplification driving circuit (12), terminal row (13) and draws wire (14);
The cylindrical structure that housing (2) is both ends open, protecgulum (1) is by the front opening sealing of housing (2), one end of the rear end of housing (2) and extension tube (3) is coaxially socketed, bonnet (4) is by the open rearward end sealing of extension tube (3), the center of bonnet (4) has manhole, one end of cable locking head (5) is mounted in the manhole at bonnet (4) center, GM counter tube (7) is fixed on housing (2) inside, and GM counter tube (7) coaxially arranges with housing (2), the front end of GM counter tube (7) is mounted in the center of front rubber base (6) rear surface, front rubber base (6) is fixed on the inner front end of housing (2), the rear end of GM counter tube (7) is mounted in the center of rear rubber base (9) front surface, rear rubber base (9) is fixed on the inner rear end of housing (2), rubbery loop (8) is socketed in the outside at GM counter tube (7) middle part, the lateral surface of rubbery loop (8) is fixedly connected with the inside surface of housing (2), the high-tension electricity source of (13) is arranged in one end of GM counter tube (7) by conductor terminal, and this end of GM counter tube (7) connects amplification driving circuit (12) count signal output terminal by wire, the other end of GM counter tube (7) is arranged the earth terminal of (13) by conductor terminal, the amplified signal output terminal splicing ear row's (13) of amplification driving circuit (12) count signal end, outgoing cable (14) is connected with terminal row (13) by cable locking head (5), the wiring board of amplification driving circuit (12) is fixed in extension tube (3), and the edge of the wiring board of amplification driving circuit (12) is fixedly connected with the inwall of extension tube (3).
2. nucleon level-sensing device detector according to claim 1, it is characterized in that, this detector also comprises circuit carriers (10) and two copper posts (11), the rear surface laminating of one side of circuit carriers (10) and rear rubber base (9), the opposite side of circuit carriers (10) is vertically fixed with two copper posts (11), and the other end of two copper posts (11) is vertically fixed on the front surface of the wiring board of amplification driving circuit (12).
3. nucleon level-sensing device detector according to claim 1 and 2, it is characterized in that, 12V voltage signal output line splicing ear row (13) power end of outgoing cable (14), the 390V voltage signal output line splicing ear row's (13) of outgoing cable (14) high-tension electricity source, the ground wire splicing ear row's (13) of outgoing cable (14) earth terminal, the signal transmssion line splicing ear row's (13) of outgoing cable (14) count signal end.
4. nucleon level-sensing device detector according to claim 3, is characterized in that, amplification driving circuit (12) adopts NE555 chip to realize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420351649.3U CN203908630U (en) | 2014-06-27 | 2014-06-27 | Nucleon level gage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420351649.3U CN203908630U (en) | 2014-06-27 | 2014-06-27 | Nucleon level gage detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908630U true CN203908630U (en) | 2014-10-29 |
Family
ID=51782893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420351649.3U Expired - Fee Related CN203908630U (en) | 2014-06-27 | 2014-06-27 | Nucleon level gage detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203908630U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462916A (en) * | 2017-09-21 | 2017-12-12 | 北京聚合信机电有限公司 | GM counting tubes can ring optimization device |
| CN108801399A (en) * | 2018-06-13 | 2018-11-13 | 江苏信息职业技术学院 | A kind of non-contact measurement apparatus for flyash material-level measure |
-
2014
- 2014-06-27 CN CN201420351649.3U patent/CN203908630U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462916A (en) * | 2017-09-21 | 2017-12-12 | 北京聚合信机电有限公司 | GM counting tubes can ring optimization device |
| CN107462916B (en) * | 2017-09-21 | 2023-09-15 | 北京聚合信机电有限公司 | Energy response optimizing device for GM counting tube |
| CN108801399A (en) * | 2018-06-13 | 2018-11-13 | 江苏信息职业技术学院 | A kind of non-contact measurement apparatus for flyash material-level measure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20150627 |
|
| EXPY | Termination of patent right or utility model |