CN205787153U - Ultralow background liquid dodges spectrometer measurement apparatus - Google Patents
Ultralow background liquid dodges spectrometer measurement apparatus Download PDFInfo
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- CN205787153U CN205787153U CN201521102175.XU CN201521102175U CN205787153U CN 205787153 U CN205787153 U CN 205787153U CN 201521102175 U CN201521102175 U CN 201521102175U CN 205787153 U CN205787153 U CN 205787153U
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- 239000007788 liquid Substances 0.000 title claims abstract description 61
- 238000005259 measurement Methods 0.000 title claims abstract description 42
- 230000005571 horizontal transmission Effects 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 7
- 230000003028 elevating effect Effects 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 11
- 125000004122 cyclic group Chemical group 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 10
- 210000005069 ears Anatomy 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229920005479 Lucite® Polymers 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 230000014509 gene expression Effects 0.000 claims description 6
- 210000003205 muscle Anatomy 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- ORCSMBGZHYTXOV-UHFFFAOYSA-N bismuth;germanium;dodecahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.[Ge].[Ge].[Ge].[Bi].[Bi].[Bi].[Bi] ORCSMBGZHYTXOV-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000007405 data analysis Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 230000002285 radioactive effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- OKTJSMMVPCPJKN-NJFSPNSNSA-N Carbon-14 Chemical compound [14C] OKTJSMMVPCPJKN-NJFSPNSNSA-N 0.000 description 2
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910052722 tritium Inorganic materials 0.000 description 2
- 240000005528 Arctium lappa Species 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Measurement Of Radiation (AREA)
Abstract
The utility model discloses a kind of ultralow background liquid and dodge spectrometer measurement apparatus, dodge horizontal lifting drive system and data handling system including three pipe liquid scintillation number systems, liquid;Described three pipe liquid scintillation number systems it include that lead screen room, collection device and pulse signal process;Liquid dodges horizontal lifting drive system and includes the horizontal transmission platform of mobile example bottle and in order to sample bottle to be sent into the vertically oriented delivery platform measured in chamber of scintillation counter.This utility model ultralow background liquid dodges spectrometer measurement apparatus, by the strict design of lead screen room, horizontal lifting drive system, circuit etc., it is achieved the Low background absolute measurement to beta activity nucleic.
Description
Technical field
This utility model relates to ultralow background liquid and dodges spectrometer measurement apparatus, the measurement apparatus of particular design particularly to a kind of tritium for extremely low content and carbon-14 environmental sample.
Background technology
Radiation control manages department when the occasions such as geology, environment and biomedicine carry out radiation environment with radiation protection detection, needs can meet the instrument of the tritium and carbon-14 environmental sample of measuring extremely low content and measure, then require that measuring instrument is highly sensitive, background is low, efficiency is high, detection limit is low.
At present, meet at existing three pairs and be broadly divided into two kinds than liquid scintillation number system, the first three pairs meet ratio in liquid scintillation number system, its light detection device and light shield are respectively adopted aluminum light room and make with easy gobo, there is no outside lead screen device, can only be simple for three pipe, the scientific research of two tube efficiency ratio method.Its shortcoming is: owing to apparatus structure is excessively simple, operate complex, is suitable only for the person skilled operation of this device;Owing to its background counting rate is high, it is suitable only for three pairs and meets the relevant pure measurement technology research of ratio, it is impossible to for the high-acruracy survey of environmental classes low-activity sample.The second three pairs meets than the lead screen structure being provided with polytetrafluoro light room and compact in liquid scintillation number system.But, owing to photomultiplier tube defocuses non-adjustable, therefore optical detection efficiency can only be changed by optical filtering paper or optical filter.Its shortcoming is: its background counting rate is the highest;During realizing absolute measurement, needing repeatedly to change optical filtering paper or optical filter to change Nt/Nd value, it operates complexity, and the change amplitude of Nt/Nd value is uncontrollable.It is few for the nucleic kind finding cancellation index, can measure that ultralow external low liquid scintillation spectrometer only has touch operation interface, built-in standard gamma radioactive source;Only have touch operation interface, it has not been convenient to data analysis for a long time;, there is unsafe factor in built-in standard gamma radioactive source, in fact it could happen that the leakage in built-in source;The nucleic kind that can measure is few, limits the range of instrument.
These ultralow background liquid above-mentioned dodges spectrometer and is not the most well positioned to meet measurement, and this is accomplished by facilitating long data analysis, measurement object to have bigger extension.
It is accordingly required in particular to a kind of novel ultralow background liquid dodges spectrometer measurement apparatus, the problem solving above-mentioned existence.
Utility model content
The purpose of this utility model is to provide a kind of ultralow background liquid to dodge spectrometer measurement apparatus, deficiency for above-mentioned technology, employing has double screen data analysis, application and measurement object bigger extension, environmental sample absolute measurement can be realized, the ratio of three main photomultiplier tube Nt/Nd can be changed by elevating lever, it is achieved three pairs meet the three pipe liquid scintillation number systems than automatic absolute measurement simultaneously.
This utility model is solved the technical problem that to realize by the following technical solutions:
Ultralow background liquid dodges spectrometer measurement apparatus, it is characterised in that include that three pipe liquid scintillation number systems, liquid dodge horizontal lifting drive system and data handling system;
Described three pipe liquid scintillation number systems, it includes that lead screen room, collection device and pulse signal process;Described collection device is arranged on the inside of described lead screen, described collection device is made up of with lucite polytetrafluoro light room, oxygen-free copper preparative layer successively, described lucite is made up of with anticoincidence measurement device plastic scintillant, BGO (bismuth germanium oxide), the collection device of optical detection, and described BGO is arranged on inside described plastic scintillant;
Liquid dodges horizontal lifting drive system and includes the horizontal transmission platform of mobile example bottle and in order to sample bottle to be sent into the vertically oriented delivery platform measured in chamber of scintillation counter.
In an embodiment of the present utility model, described lead screen room is made up of integrated hexagon lead screen floor and six lead ears, and described six lead ears are arranged on the limit of described lead screen layer.
nullIn an embodiment of the present utility model,The collection device of described optical detection is dodged bottle secured adjusted assembly by three main photomultiplier tube assemblies and liquid and constitutes,The end of described liquid sudden strain of a muscle bottle secured adjusted assembly is arranged on the inside of described polytetrafluoro light room,Described three main photomultiplier tube assemblies are that 120 ° of symmetrical expression distributions are constituted,The end of described main photomultiplier tube is connected through the sidewall of described oxygen-free copper preparative layer with described liquid sudden strain of a muscle bottle secured adjusted assembly,It is the outside extending to the opacus cover in described lead screen room that described liquid dodges the end of bottle secured adjusted assembly,Described anticoincidence measurement device is made up of three auxiliary photomultiplier tubes of hexagon anticoincidence detector,The quantity of described hexagon three auxiliary photomultiplier tubes of anticoincidence detector is identical with the quantity of described three main photomultiplier tubes,The end of described three auxiliary photomultiplier tubes is connected with described BGO,Described three auxiliary photomultiplier tubes are that 120 ° of symmetrical expressions are vertically set on below three main photomultiplier tubes,Described three auxiliary photomultiplier tubes and described three main photomultiplier tubes are evenly distributed on lead screen room and six lead in ear portions.
In an embodiment of the present utility model, described pulse signal process part is made up of low-tension supply module, high-voltage power module, preamplifier, discriminator, dead time control unit, forming unit, coincident circuit unit, delayer, anticoincidence unit, single track controller, addition amplifier, linear gate and double multiple tracks;Described low-tension supply module electrically connects with high-voltage power module, and the output front end of described high-voltage power module and three auxiliary photomultiplier tubes and described three main photomultiplier tubes connects, it is provided that voltage;The input of described preamplifier output front end with described three auxiliary photomultiplier tubes and described three main photomultiplier tubes respectively electrically connects, preamplifier successively with discriminator, dead time control unit, forming unit, coincident circuit unit, delayer, anticoincidence circuit unit electrically connects, and all electrically connect with single track controller, described anticoincidence circuit unit electrically connects with linear gate, the input of described preamplifier output front end with described three auxiliary photomultiplier tubes and described three main photomultiplier tubes respectively is connected, the input of described addition amplifier and the output front end of three main photomultiplier tubes connect, described addition amplifier electrically connects with linear gate and double multiple tracks, described single track controller and described coincident circuit unit all with described industrial computer, described display screen electrically connects.
In an embodiment of the present utility model, vertically oriented delivery platform is arranged on the lower section of horizontal transmission platform, including vertically oriented sensor device, elevating lever, electric sliding block assembly, electronics control system, elevating lever is vertically installed on electric sliding block assembly, and is positioned at the lower section of horizontal transmission bench;Electric sliding block assembly is connected with vertical lifting motor and is driven up and down motion by vertical lifting motor, and vertically oriented sensor device is arranged on electric device;Described horizontal transmission platform arrange include horizontal stand, bar code scanner, display the Sample sleeve of fluid sample bottle, electric machine, horizontal location sensor device, in order to transmit the transporter of sample;Electric machine includes drivewheel and driven wheel device;Drivewheel and two driven wheel device triangular shape are arranged, the cyclic transfer route of triangle pattern;Display that the Sample sleeve of fluid sample bottle is fixing with conveyer belt to be connected, with conveyer belt along the cyclic transfer route cycle rotation of triangular pattern;Sample bottle is placed in Sample sleeve;Being provided with one on horizontal transmission bench and be easy to the through hole that elevating lever moves up and down, lead to the hole site is positioned at the lower section of the cyclic transfer route of triangular pattern.
In an embodiment of the present utility model, data handling system includes instrument internal protractor and industrial computer, printer, display screen.
The beneficial effects of the utility model are: this utility model Low background liquid scintillation spectrometer measurement apparatus, by lead screen room, horizontal lifting drive system, the strict design of circuit etc., realize the Low background absolute measurement to beta activity nucleic, dodge the liquid in horizontal lifting drive system by liquid and dodge the fixing amplitude changing Nt/Nd value with height adjustment assembly of bottle, realize the absolute measurement of sample, with three pairs meet than method, avoid built-in standard gamma radioactive source, LSA3000 distinctive analysis software realizes long data analysis, measure object and have bigger extension, drive mechanism design realizes all automatic measurement of sample and provides substantial amounts of sample bottle to measure.
Feature of the present utility model see graphic and the most preferably embodiment the detailed description of this case and obtains and be well understood to.
Accompanying drawing explanation
Fig. 1 is structural representation sketch of the present utility model;
Fig. 2 is this utility model theory structure schematic diagram;
Fig. 3 is the structural representation sketch of lead screen room;
Fig. 4 is the structural representation sketch of collection device;
Fig. 5 is this utility model pulse signal handling principle schematic diagram;
Fig. 6 is that liquid dodges horizontal lifting drive system schematic diagram;
Fig. 7 is the top view of horizontal transmission platform.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, this utility model is expanded on further below in conjunction with specific embodiment.
Seeing Fig. 1, ultralow background liquid of the present utility model dodges spectrometer measurement apparatus, and it includes that three pipe liquid scintillation number systems 100, liquid dodge horizontal lifting drive system 200 and data handling system 300.
Such as Fig. 2, shown in 3 and 4, described three pipe liquid scintillation number systems 100 it include that lead screen room 110, collection device 120 and pulse signal process 130, described lead screen room 110 is by the hexagon lead screen floor 1110 of one-body molded thick 12cm and six lead ears 1120, and described six lead ears 1120 are arranged on the limit of described lead screen layer 1110.Described collection device 120 is arranged on the inside of described lead screen 110, described collection device 120 is made up of with lucite 1230 polytetrafluoro light room 1210, oxygen-free copper preparative layer 1220 successively, described lucite 1230 is made up of with anticoincidence measurement device 1234 plastic scintillant 1231, BGO1232, the collection device 1233 of optical detection, and it is internal that described BGO1232 is arranged on described plastic scintillant 1231.nullThe collection device 1233 of described optical detection is dodged bottle secured adjusted assembly by three main photomultiplier tube assemblies and liquid and constitutes,The end of described liquid sudden strain of a muscle bottle secured adjusted assembly is arranged on the inside of described polytetrafluoro light room 1210,Described three main photomultiplier tube assemblies are that 120 ° of symmetrical expression distributions are constituted,The end of described main photomultiplier tube is connected through the sidewall of described oxygen-free copper preparative layer 1220 with described liquid sudden strain of a muscle bottle secured adjusted assembly,It is the outside extending to the opacus cover in described lead screen room 110 that described liquid dodges the end of bottle secured adjusted assembly,Described anticoincidence measurement device 1234 is made up of three auxiliary photomultiplier tubes of hexagon anticoincidence detector,The quantity of described hexagon three auxiliary photomultiplier tubes of anticoincidence detector is identical with the quantity of described three main photomultiplier tubes,The end of described three auxiliary photomultiplier tubes is connected with described BGO1232,Described three auxiliary photomultiplier tubes are that 120 ° of symmetrical expressions are vertically set on below three main photomultiplier tubes,Described three auxiliary photomultiplier tubes and described three main photomultiplier tubes are evenly distributed on lead screen room and six lead ears 1120 are internal;Liquid dodges horizontal lifting drive system 200, and it includes one for the horizontal transmission platform of mobile example bottle and by the vertical delivery platform 220 of sample bottle feeding measurement chamber;Data handling system 300, it includes instrument internal protractor 310 and industrial computer 320, printer 330, display screen 340.
It is made up of as it is shown in figure 5, described pulse signal processes 130 parts low-tension supply module 1310 high-voltage power module 1311, preamplifier 1312, discriminator 1313, dead time control unit 1314, forming unit 1315, coincident circuit unit 1316, delayer 1317, anticoincidence unit 1318, single track controller 1319, addition amplifier 1320, linear gate 1321 and double multiple tracks 1322.Described low-tension supply module 1310 electrically connects with high-voltage power module 1311, and described high-voltage power module 1311 is connected with the output front end of three auxiliary photomultiplier tubes and described three main photomultiplier tubes, it is provided that voltage.nullThe input of described preamplifier 1312 output front end with described three auxiliary photomultiplier tubes and described three main photomultiplier tubes respectively electrically connects,Preamplifier 1312 successively with discriminator 1313、Dead time control unit 1314、Forming unit 1315、Coincident circuit unit 1316、Delayer 1317、Anticoincidence circuit unit 1318 electrically connects,And all electrically connect with single track controller 1319,Described anticoincidence circuit unit electrically connects with linear gate,The input of described preamplifier 1312 output front end with described three auxiliary photomultiplier tubes and described three main photomultiplier tubes respectively is connected,The input of described addition amplifier 1320 and the output front end of three main photomultiplier tubes connect,Described addition amplifier 1320 electrically connects with linear gate 1321 and double multiple tracks 1323,Described single track controller 1319 and described coincident circuit unit 1316 all with described industrial computer 320、Described display screen 340 electrically connects.
As shown in Figure 6 and Figure 7, described liquid dodges horizontal lifting drive system 200 and includes horizontal transmission platform and the vertically oriented delivery platform 220 of mobile example bottle, described horizontal transmission platform arrange include horizontal stand 211, bar code scanner 212, display the Sample sleeve 213 of fluid sample bottle, turnover gas system, electric machine 215, horizontal location sensor device 216, in order to transmit the transporter of sample.Electric machine 215 includes drivewheel 218 and driven wheel device 217.Horizontal transmission platform is arranged on the lower section measuring chamber 100 of scintillation counter.Bar code scanner 212 is in order to scan the numbering of testing sample frame.Horizontal location sensor device 216 is in order to sense sample whether level.
Drivewheel 218 and two driven wheel device 217 triangular shape are arranged, the cyclic transfer route of triangle pattern;Display that the Sample sleeve 213 of fluid sample bottle is fixing with conveyer belt to be connected, with conveyer belt along the cyclic transfer route cycle rotation of triangular pattern;Sample bottle is placed in Sample sleeve 213.Being provided with one on horizontal transmission bench and be easy to the through hole that elevating lever 222 moves up and down, lead to the hole site is positioned at the lower section of the cyclic transfer route of triangular pattern.It is placed with the Sample sleeve 213 of sample bottle successively along the cyclic transfer route cycle rotation of triangular pattern, time above through hole, specimen holder is sent in the measurement chamber of the scintillation counter above it by elevating lever 222, liquid in sample bottle in specimen holder is measured by scintillation counter, after to be measured, elevating lever 222 moves downward, and Sample sleeve 213 falls after rise, then advances discharging after a segment distance with transporter.
Vertically oriented delivery platform 220 is arranged on the lower section of horizontal transmission platform, including vertically oriented sensor device 221, elevating lever 222, electric sliding block assembly 223, electronics control system 224, elevating lever 222 is vertically installed on electric sliding block assembly 223, and is positioned at below the through hole of horizontal transmission bench.Electric sliding block assembly 223 is connected with vertical lifting motor and is driven up and down motion by vertical lifting motor, and vertically oriented sensor device 221 is arranged on electric device 223.
In the present embodiment, ultralow background liquid dodges three pipe liquid scintillation number systems 100 in spectrometer measurement apparatus, use three auxiliary photomultiplier tubes, three main photomultiplier tubes, realize three pairs of Nt/Nd meet than TDCR method, then without built-in standard gamma radioactive source, installing analysis software inside the industrial computer provided, pass through double-display screen, realize the setting of measuring condition, 70 kinds of measurement nucleic that software provides, because there being high pressure can change accordingly because the nucleic measured changes, then realizing measuring object has bigger extension.
In the present embodiment, ultralow background liquid dodges in spectrometer measurement apparatus, using one-body molded thick 12cm lead screen room 110, plastic scintillant 1231, BGO1232, horizontal transmission platform 210 and electronics control system 224 shield, it is achieved ultralow background liquid dodges spectrometer measurement apparatus.
In the present embodiment, ultralow background liquid dodges spectrometer measurement apparatus, dodges the elevating lever in horizontal lifting drive system by liquid and changes the amplitude of Nt/Nd value, it is achieved the absolute measurement of sample.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; simply principle of the present utility model described in above-described embodiment and description; on the premise of without departing from this utility model spirit and scope, this utility model also has various changes and modifications, and these changes and improvements both fall within the range of claimed this utility model.The protection domain that this utility model requires is defined by appending claims and equivalent thereof.
Claims (6)
- The most ultralow background liquid dodges spectrometer measurement apparatus, it is characterised in that include that three pipe liquid scintillation number systems, liquid dodge horizontal lifting drive system and data handling system;Described three pipe liquid scintillation number systems it include that lead screen room, collection device and pulse signal process;Described collection device is arranged on the inside of described lead screen, described collection device is made up of with lucite polytetrafluoro light room, oxygen-free copper preparative layer successively, described lucite is made up of with anticoincidence measurement device plastic scintillant, BGO, the collection device of optical detection, and described BGO is arranged on inside described plastic scintillant;Liquid dodges horizontal lifting drive system and includes the horizontal transmission platform of mobile example bottle and in order to sample bottle to be sent into the vertically oriented delivery platform measured in chamber of scintillation counter.
- Ultralow background liquid the most as claimed in claim 1 dodges spectrometer measurement apparatus, it is characterised in that described lead screen room is made up of integrated hexagon lead screen floor and six lead ears, and described six lead ears are arranged on the limit of described lead screen layer.
- nullUltralow background liquid the most as claimed in claim 1 dodges spectrometer measurement apparatus,It is characterized in that,The collection device of described optical detection is dodged bottle secured adjusted assembly by three main photomultiplier tube assemblies and liquid and constitutes,The end of described liquid sudden strain of a muscle bottle secured adjusted assembly is arranged on the inside of described polytetrafluoro light room,Described three main photomultiplier tube assemblies are that 120 ° of symmetrical expression distributions are constituted,The end of described main photomultiplier tube is connected through the sidewall of described oxygen-free copper preparative layer with described liquid sudden strain of a muscle bottle secured adjusted assembly,It is the outside extending to the opacus cover in described lead screen room that described liquid dodges the end of bottle secured adjusted assembly,Described anticoincidence measurement device is made up of three auxiliary photomultiplier tubes of hexagon anticoincidence detector,The quantity of described hexagon three auxiliary photomultiplier tubes of anticoincidence detector is identical with the quantity of described three main photomultiplier tubes,The end of described three auxiliary photomultiplier tubes is connected with described BGO,Described three auxiliary photomultiplier tubes are that 120 ° of symmetrical expressions are vertically set on below three main photomultiplier tubes,Described three auxiliary photomultiplier tubes and described three main photomultiplier tubes are evenly distributed on lead screen room and six lead in ear portions.
- Ultralow background liquid the most as claimed in claim 3 dodges spectrometer measurement apparatus, it is characterised in that data handling system includes instrument internal protractor and industrial computer, printer, display screen.
- Ultralow background liquid the most as claimed in claim 4 dodges spectrometer measurement apparatus, it is characterized in that, described pulse signal process part is made up of low-tension supply module high voltage, power module, preamplifier, discriminator, dead time control unit, forming unit, coincident circuit unit, delayer, anticoincidence unit, single track controller, addition amplifier, linear gate and double multiple tracks;Described low-tension supply module electrically connects with high-voltage power module, and described high-voltage power module is connected with the output front end of described three auxiliary photomultiplier tubes and described three main photomultiplier tubes, it is provided that voltage;The input of described preamplifier output front end with described three auxiliary photomultiplier tubes and described three main photomultiplier tubes respectively electrically connects, preamplifier successively with discriminator, dead time control unit, forming unit, coincident circuit unit, delayer, anticoincidence circuit unit electrically connects, and all electrically connect with single track controller, described anticoincidence circuit unit electrically connects with linear gate, the input of described preamplifier output front end with described three auxiliary photomultiplier tubes and described three main photomultiplier tubes respectively is connected, the input of described addition amplifier and the output front end of three main photomultiplier tubes connect, described addition amplifier electrically connects with linear gate and double multiple tracks, described single track controller and described coincident circuit unit all with described industrial computer, described display screen electrically connects.
- Ultralow background liquid the most as claimed in claim 1 dodges spectrometer measurement apparatus, it is characterized in that, vertically oriented delivery platform is arranged on the lower section of horizontal transmission platform, including vertically oriented sensor device, elevating lever, electric sliding block assembly, electronics control system, elevating lever is vertically installed on electric sliding block assembly, and is positioned at the lower section of horizontal transmission bench;Electric sliding block assembly is connected with vertical lifting motor and is driven up and down motion by vertical lifting motor, and vertically oriented sensor device is arranged on electric device;Described horizontal transmission platform arrange include horizontal stand, bar code scanner, display the Sample sleeve of fluid sample bottle, electric machine, horizontal location sensor device, in order to transmit the transporter of sample;Electric machine includes drivewheel and driven wheel device;Drivewheel and two driven wheel device triangular shape are arranged, the cyclic transfer route of triangle pattern;Display that the Sample sleeve of fluid sample bottle is fixing with conveyer belt to be connected, with conveyer belt along the cyclic transfer route cycle rotation of triangular pattern;Sample bottle is placed in Sample sleeve;Being provided with one on horizontal transmission bench and be easy to the through hole that elevating lever moves up and down, lead to the hole site is positioned at the lower section of the cyclic transfer route of triangular pattern.
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Cited By (5)
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CN107144870A (en) * | 2017-06-19 | 2017-09-08 | 环境保护部核与辐射安全中心 | The sampling device and liquid for dodging spectrometer for liquid dodge spectrometer |
CN107179158A (en) * | 2017-06-05 | 2017-09-19 | 中国工程物理研究院材料研究所 | Gaseous state tritium contains facility tiny leakage method of testing |
CN108072889A (en) * | 2017-12-01 | 2018-05-25 | 上海新漫传感技术研究发展有限公司 | The method of work of ultralow background fluid scintillation spectrometer |
CN108226989A (en) * | 2017-12-28 | 2018-06-29 | 上海新漫传感技术研究发展有限公司 | Obtain linear and radioactive activity the method for quenching correction |
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- 2015-12-28 CN CN201521102175.XU patent/CN205787153U/en active Active
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CN107179158A (en) * | 2017-06-05 | 2017-09-19 | 中国工程物理研究院材料研究所 | Gaseous state tritium contains facility tiny leakage method of testing |
CN107179158B (en) * | 2017-06-05 | 2019-02-26 | 中国工程物理研究院材料研究所 | Gaseous state tritium contains facility tiny leakage test method |
CN107144870A (en) * | 2017-06-19 | 2017-09-08 | 环境保护部核与辐射安全中心 | The sampling device and liquid for dodging spectrometer for liquid dodge spectrometer |
CN107144870B (en) * | 2017-06-19 | 2023-05-23 | 环境保护部核与辐射安全中心 | Sample injection device for liquid flash spectrometer and liquid flash spectrometer |
CN108072889A (en) * | 2017-12-01 | 2018-05-25 | 上海新漫传感技术研究发展有限公司 | The method of work of ultralow background fluid scintillation spectrometer |
CN108072889B (en) * | 2017-12-01 | 2020-11-10 | 上海新漫传感技术研究发展有限公司 | Working method of ultralow background liquid scintillation spectrometer |
CN108226989A (en) * | 2017-12-28 | 2018-06-29 | 上海新漫传感技术研究发展有限公司 | Obtain linear and radioactive activity the method for quenching correction |
CN113267804A (en) * | 2021-05-26 | 2021-08-17 | 西安中核核仪器有限公司 | Light-shielding detection method for liquid scintillation counter |
CN113267804B (en) * | 2021-05-26 | 2022-02-08 | 西安中核核仪器股份有限公司 | Light-shielding detection method for liquid scintillation counter |
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