CN107144870A - The sampling device and liquid for dodging spectrometer for liquid dodge spectrometer - Google Patents
The sampling device and liquid for dodging spectrometer for liquid dodge spectrometer Download PDFInfo
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- CN107144870A CN107144870A CN201710462890.1A CN201710462890A CN107144870A CN 107144870 A CN107144870 A CN 107144870A CN 201710462890 A CN201710462890 A CN 201710462890A CN 107144870 A CN107144870 A CN 107144870A
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- push rod
- bearing assembly
- handle
- lid
- sampling device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/204—Measuring radiation intensity with scintillation detectors the detector being a liquid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
- G01T7/02—Collecting means for receiving or storing samples to be investigated and possibly directly transporting the samples to the measuring arrangement; particularly for investigating radioactive fluids
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a kind of sampling device that spectrometer is dodged for liquid, including：Bearing assembly, handle, push rod and stop pin；Bearing assembly is configured as carrying sample, and is configured as moving between the first position of sample and the second place for picking and placeing sample for measuring；Bearing assembly and push rod are connected with handle respectively, by moving handle with mobile bearing assembly and push rod simultaneously；Moving direction of the length direction of push rod parallel to the moving direction of bearing assembly, the moving direction of push rod and handle；The lock hole coordinated with stop pin is provided with push rod, to cause：When bearing assembly is located at the second place, stop pin stretches into lock hole to prevent the rotation and movement of push rod.The technique according to the invention scheme while lucifuge is realized, is reduced the volume that liquid dodges spectrometer, is simplified the structure that liquid dodges spectrometer, degree easy to use has been significantly greatly increased by the interlocking design of sampling device.
Description
Technical field
The present invention relates to Liquid scintillation counter technical field, more particularly, to liquid dodges sampling device and the liquid sudden strain of a muscle of spectrometer
Spectrometer.
Background technology
Liquid dodges spectrometer and is widely used in the fields such as industry, agricultural, biomedicine, environmental science, archaeology and geology.In radiation
In monitoring, liquid dodges spectrometer and can be used for measurement α and beta activity nucleic, such as3H、14C、32P、90Sr, total α, total β etc..At sample
The development of reason technology, and nucleic separation method improvement, will have increasing radionuclide using liquid dodge spectrometer carry out
Measurement.
When core is with radiation emergency monitoring, it is necessary to which the collection, processing and radionuclide that carry out sample at the scene are analyzed；Core
Some liquid transfer tube lines and storage facility in facility are also required to carry out site inspection and radioactivity monitoring, to monitor its operation
State.Measured in these field monitoring places, it is necessary to dodge spectrometer using small-sized, portable liquid.It is such portable
Liquid sudden strain of a muscle spectrometer needs small volume, sampling device easy to use.
The content of the invention
It is core it is a primary object of the present invention to provide a kind of sampling device and liquid comprising the sampling device to dodge spectrometer
The sample collected with radiating during emergency monitoring provides easily processing means.
According to the first aspect of the invention there is provided a kind of sampling device that spectrometer is dodged for liquid, including：Bearing assembly,
Hand, push rod and stop pin；Bearing assembly is configured as carrying sample, and is configured as measuring the first of sample
Moved between position and the second place for picking and placeing sample；Bearing assembly and push rod are connected with handle respectively, pass through movement
Handle is with mobile bearing assembly and push rod simultaneously；The length direction of push rod is parallel to the moving direction of bearing assembly, push rod
The moving direction of moving direction and handle；The lock hole coordinated with stop pin is provided with push rod, to cause：In bearing assembly
During positioned at the second place, stop pin stretches into lock hole to prevent the rotation and movement of push rod.
According to one embodiment of present invention, handle is rotationally pivotally connected to bearing assembly, and the axial direction of rotation is to move
Dynamic direction；In the position of the center of rotation of handle, one end of push rod is connected with handle so that push rod revolves with the rotation of handle
Turn；When bearing assembly is located at the second place, push rod rotates as handle is rotated, and makes lock hole towards stop pin.
According to one embodiment of present invention, sampling device also includes：Lid and alignment pin；Alignment pin is movably set
It is placed in lid, and alignment pin is located on the extended line of push rod, to cause：When bearing assembly is located at first position, alignment pin
Separated with push rod, alignment pin is in the state extended downwardly from from lid, to prevent the rotation of lid；It is located at second in bearing assembly
When putting, alignment pin and ejector pin contact, push rod cause alignment pin to be in lid so that lid is rotatable.
According to one embodiment of present invention, sampling device also includes：Lid, lid catch is provided with covering；Lid catch from
The side of lid is protruded, and the second end projecting height from the first end of lid catch to lid catch gradually increases, to cause：
When one end is abutted against with stop pin so that stop pin is close to push rod and can stretch into lock hole, is abutted against at the second end with stop pin
When so that stop pin is exited away from push rod and from lock hole.
According to one embodiment of present invention, stop pin applies pretightning force by spring, and the direction of pretightning force is towards lock hole.
According to one embodiment of present invention, bearing assembly includes the pressure pin being connected with grip pivots, fixes and connects with pressure pin
The specimen holder connect and the sample bottle being placed on specimen holder.
According to one embodiment of present invention, pressure pin one end is inserted and fixed in the fixing groove of specimen holder bottom；Push rod
It is rotatably inserted two circular holes up and down of the pressure pin other end；The circular hole of handle insertion push rod bottom so that handle drives sample
Frame, pressure pin, push rod are moved together.
According to one embodiment of present invention, when bearing assembly is located at the second place, specimen holder bottom and measurement cavity
Inwall is in close contact, and measurement cavity is filled up.
Spectrometer is dodged there is provided a kind of liquid according to the second aspect of the invention, including：For the screen for the measurement chamber for forming lucifuge
Cover body；Foregoing sampling device, sampling device is arranged on shield；And it is arranged on the photomultiplier on shield.
According to one embodiment of present invention, liquid dodges spectrometer and also included：It is arranged on the locating slot on shield so that holding
When carrying component positioned at the second place, handle is rotatable in locating slot.
Compared with prior art, technique according to the invention scheme is realizing lucifuge by the interlocking design of sampling device
While, the volume that liquid dodges spectrometer is reduced, the structure that liquid dodges spectrometer is simplified, degree easy to use has been significantly greatly increased.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of embodiments of the invention, the accompanying drawing of embodiment will be carried out below brief
Explanation, it should be appreciated that figures described below merely relates to some embodiments of the present invention, rather than limitation of the present invention, its
In：
Sectional view of the sampling device that Fig. 1 is provided for embodiments of the invention in measuring state；
Fig. 2 be sampling device bearing assembly in each part structural representation；
Sectional view of the sampling device that Fig. 3 is provided for embodiments of the invention when releasing the positioning of lid；
Sectional view of the sampling device that Fig. 4 is provided for embodiments of the invention after uncapping；
Fig. 5 is the schematical front view of the outward appearance of the sampling device of embodiments of the invention；
Fig. 6 is the schematical top view of the outward appearance of the sampling device of embodiments of the invention.
Drawing reference numeral explanation：
1- is covered；2- alignment pins；3- lid catch；4- stop pins；5- locating slots；6- push rods；7- handles；8- pressure pins；9- samples
Frame；10- sample bottles；11- shields；12- photomultiplier chambers
Embodiment
In order that the technical scheme and advantage of embodiments of the invention are clearer, below in conjunction with accompanying drawing, to the present invention
The technical scheme of embodiment carry out clear, complete description.Obviously, described embodiment is the part implementation of the present invention
Example, rather than whole embodiments.Based on described embodiments of the invention, those skilled in the art are without creative labor
The every other embodiment obtained on the premise of dynamic, also belongs to the scope of protection of the invention.
Sectional view of the sampling device that Fig. 1 is provided for embodiments of the invention in measuring state.Fig. 2 is holding for sampling device
Carry the structural representation of each part in component.Fig. 3 is releasing the positioning of lid for the sampling device that embodiments of the invention are provided
When sectional view.Sectional view of the sampling device that Fig. 4 is provided for embodiments of the invention after uncapping.
As shown in Figures 1 to 4, sampling device includes：Bearing assembly, handle 7, push rod 6 and stop pin 4.Bearing assembly
Be configured as carrying sample, and be configured in first position for measuring sample and for pick and place sample the second place it
Between move.The second place for sample 10 shown in the first position for sample 10 shown in Fig. 1, Fig. 3, Fig. 4.Carrying group
Part and push rod 6 are connected with handle 7, and operator is by moving handle 7 with mobile bearing assembly and push rod 6 simultaneously.Push rod 6
Moving direction D of the length direction parallel to bearing assembly, push rod 6 and handle 7.Handle 7 is rotationally pivotally connected to carrying
Component, the axial direction of rotation is above-mentioned moving direction D.In the position of the center of rotation of handle 7, one end and the handle 7 of push rod 6 connect
Connect so that push rod 6 rotates with the rotation of handle 7.The lock hole coordinated with stop pin 4 is provided with the other end of push rod 6,
To cause：When bearing assembly is located at the second place, push rod 6 makes lock hole towards stop pin 4 as handle 7 is rotated and is rotated.
Stop pin 4 stretches into lock hole to prevent the rotation and movement of push rod 6.
Bearing assembly includes the pressure pin 8 pivotally connected with handle 7, the specimen holder 9 being fixedly connected with pressure pin 8 and placement
Sample bottle 10 on specimen holder 9.Wherein, as more clearly demonstrated in Fig. 2, the fixing groove of the insertion specimen holder 9 of pressure pin 8 bottom
It is interior, and fixed with two screws.Push rod 6 is rotatably inserted two circular holes up and down of the right-hand member of pressure pin 8.The insertion push rod 6 of handle 7 bottom
The circular hole at end.So, handle 7 can drive specimen holder 9, pressure pin 8, push rod 6 to move together.
Embodiments in accordance with the present invention, user can be simply on moving direction D point-blank and around moving direction D
Rotatably operating handle 7 realizes the operation for quickly placing sample or replacement sample to control the position of sample.Stop pin 4
Can lock push rod 6 so that lock bearing assembly position, it is ensured that sample introduction/sampling operation it is reliable and safe.
In an embodiment of the present invention, sampling device also includes：Lid 1 and alignment pin 2.Alignment pin 2 is movably disposed
In lid 1, and alignment pin 2 is located on the extended line of push rod 6, to cause：(as shown in Figure 1) is located at first in bearing assembly
When putting, alignment pin 2 is separated with push rod 6, because Action of Gravity Field alignment pin 2 is in the state extended downwardly from from lid 1, to prevent lid
1 rotation.(as shown in Figure 3), when bearing assembly is located at the second place, alignment pin 2 is contacted with push rod 6, and push rod 6 causes positioning
Pin 2 is in lid 1 so that lid 1 can be rotated.
Embodiments in accordance with the present invention, once bearing assembly be located at first position, when sample will be measured, lid 1 just by
Alignment pin 2 is locked, it is impossible in rotary moving, and this can ensure blocking and protecting for sample in measurement process.
In an embodiment of the present invention, lid catch 3 is provided with lid 1.Lid catch 3 is protruded from the side of lid 1, and from
The first end of lid catch 3 gradually increases to the second end projecting height of lid catch 3, to cause：In the first end and lock of lid catch 3
When rationed marketing 4 is abutted so that stop pin 4 is close to push rod 6 and can stretch into lock hole, at the second end of lid catch 3 and locking
When pin 4 is abutted so that stop pin 4 is exited away from push rod 6 and from lock hole.
Embodiments in accordance with the present invention, when lid 1 closes, the second end of lid catch 3 is contacted with stop pin 4 so that locking
Pin 4 is exited away from push rod 6 and from lock hole.Stop pin 4 does not relock the position of bearing assembly so that bearing assembly can be from
The second place is moved to first position, so as to be prepared for the measurement of sample.And during the opening of lid 1, the first end and lock of lid catch 3
Rationed marketing 4 is contacted so that stop pin 4 is close to push rod 6 and can stretch into lock hole, to lock the position of bearing assembly so that carrying
Component is maintained at the second place, to realize sample introduction/sampling operation.
In an embodiment of the present invention, stop pin 4 applies pretightning force by spring, and the direction of pretightning force is towards lock hole.One
Denier lid 1 is opened, and stop pin 4 just automatically in the presence of the power of spring, stretches into lock hole.Stop pin 4 can be in lid catch 3
With under the collective effect of spring, being moved along moving direction R, the locking and unblock to push rod 6 are realized.
According to second aspect, embodiments of the invention also provide a kind of liquid and dodge spectrometer, including above-mentioned sampling device.Liquid
Dodge spectrometer and provide shield 11 to form the measurement chamber of lucifuge, sampling device is arranged on shield 11, realizes that sample enters
Go out to measure chamber.Locating slot 5 is provided with shield 11, when bearing assembly is located at the second place, handle 7 can be in positioning
Rotated in groove 5, realize the fixation of handle 7, and then the position of fixed bearing assembly.In addition, being provided with photoelectricity on shield 11
Multiplier tube chamber 12, for setting photomultiplier.
Fig. 5 is the schematical front view of the sampling device of embodiments of the invention.As shown in figure 5, when bearing assembly position
When the second place, the right side rotation that handle 7 can be in locating slot 5 into Fig. 4 so that the lock hole of stop pin 4 and push rod 6
Alignment.
Fig. 6 is the schematical top view of the sampling device of embodiments of the invention.As shown in fig. 6, the rotation of lid 1 changes
The position of lid catch 3 and the contact of stop pin 4 so that stop pin 4 moves along a straight line.
Brief description is done in operation when hereinafter, for varying.
As shown in figure 1, under measuring state, handle 7 is fallen in least significant end, alignment pin 2, and lid 1 can not be opened.Lid catch 3 makes
The spring for obtaining stop pin 4 is extruded to compressive state.
Now, lid 1 is screws closed mode, and alignment pin 2 stretches out lid 1, lid 1 can not Unscrew, prevent maloperation, it is ensured that
Measure the lucifuge of cavity.Now, sample bottle height is highly consistent with photomultiplier, and in the middle of two photomultipliers.
As an example, show that photomultiplier is located in photomultiplier chamber 12 in Fig. 1, and it is highly consistent with sample bottle.
As shown in figure 3, when preparing to vary, pulling up at handle 7 to locating slot 5, push rod 6 follows handle 7 to rise together.
Now the top of push rod 6 is by the jack-up of alignment pin 2, and lid 1 is in rotatable state.Also, at locating slot 5, handle 7 is turned right
90 degree, with the position of locked hand 7, now the lock hole of the upper end of push rod 6 aligns with stop pin 4.
In this case：Alignment pin 2 is alignd by jack-up, the lock hole of push rod 6 with stop pin 4, the cylinder of the bottom of specimen holder 9
Body is in close contact with cavity inner wall, and measurement cavity is filled up, by photomultiplier lucifuge, can now open lid 1 and be changed
Sample.
As shown in figure 4, when being varied, swivelling cover 1 is simultaneously removed, to expose sample bottle 10.
Now, rotate counterclockwise opens lid 1, the contact point of lid catch 3 and stop pin 4, is gradually changed to the by the second end
One end, stop pin 4 is close to push rod 6 and stretches into lock hole.After lid 1 is opened, it is locked that push rod 6 is locked pin 4, it is to avoid handle 7 is missed
Operation, push rod 6 is to anticlockwise and declines for drive, it is ensured that the lucifuge state of photomultiplier.
After completion is varied, dextrorotation hub cap 1 is simultaneously tightened.In rotary course, lid catch 3 is by stop pin 4 to away from push rod 6
Direction is extruded.Leave the lock hole of the upper end of push rod 6, unblock push rod 6 and handle 7 in the top of stop pin 4.Then, handle 7 is turned left
It is dynamic 90 degree, release the locking of handle 7.Operating handle 7 is to drive push rod 6 to slide down to least significant end, into measuring state.Now
Alignment pin 2 is fallen, and lid 1 is locked, and device is in the first position of measuring state.
It should be appreciated that liquid is dodged in spectrometer measurement process, photomultiplier, which is in, increases pressure condition, it is impossible to see light to avoid damaging
It is bad.If during varying, it is impossible to avoid photomultiplier transit my humble opinion light, then need to drop high pressure, photomultiplier is adding high pressure again
After need certain time to be stablized, photomultiplier state can be influenceed, for ensure liquid dodge spectrometer measurement long-time stability, should
Avoid lifting high pressure repeatedly, this requires the measurement cavity residing for photomultiplier to be in lucifuge state all the time.Therefore, in this hair
In bright embodiment, by push rod 6, alignment pin 2, stop pin 4 interlocking design, and specimen holder 9 and lid 1 shape design,
Avoid maloperation, it is ensured that measurement cavity whole lucifuge during measuring and varying.
Embodiments of the invention provide sampling device and the liquid comprising the sampling device dodges spectrometer, with small volume, knot
Structure is simple, it is easy to use the features such as.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the invention is not limited in this.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of sampling device that spectrometer is dodged for liquid, it is characterised in that including：Bearing assembly, handle, push rod and locking
Pin；
The bearing assembly is configured as carrying sample, and is configured as in first position and the use for measuring the sample
Moved between the second place of the sample is picked and placeed；
The bearing assembly and the push rod are connected with the handle respectively, by the mobile handle with simultaneously mobile described
Bearing assembly and the push rod；Moving direction, the push rod of the length direction of the push rod parallel to the bearing assembly
Moving direction and the handle moving direction；
The lock hole coordinated with the stop pin is provided with the push rod, to cause：
When the bearing assembly is located at the second place, the stop pin stretches into the lock hole to prevent the push rod
Rotation and movement.
2. sampling device according to claim 1, it is characterised in that the handle is rotationally pivotally connected to described hold
Component is carried, the axial direction of the rotation is the moving direction；
In the position of the center of rotation of the handle, one end of the push rod is connected with the handle so that the push rod with
The rotation of the handle and rotate；
When the bearing assembly is located at the second place, the push rod rotates as the handle is rotated, and makes the lock
Hole is determined towards the stop pin.
3. sampling device according to claim 1 or 2, it is characterised in that also include：Lid and alignment pin；
The alignment pin is movably arranged in the lid, and the alignment pin is located on the extended line of the push rod, with
So that：
When the bearing assembly is located at the first position, the alignment pin is separated with the push rod, and the alignment pin is in
The state extended downwardly from from the lid, to prevent the rotation of the lid；
When the bearing assembly is located at the second place, the alignment pin and the ejector pin contact, the push rod cause institute
State alignment pin to be in the lid so that the lid is rotatable.
4. sampling device according to claim 1 or 2, it is characterised in that also include：Lid, lid is provided with described cover
Catch；
The lid catch is protruded from the side of the lid, and from the first end of the lid catch to the second end of the lid catch
Projecting height gradually increases, to cause：
When the first end and the stop pin are abutted against so that the stop pin is close to the push rod and can stretch into the lock
Hole is determined, when second end and the stop pin are abutted against so that the stop pin is away from the push rod and from the locking
Exited in hole.
5. sampling device according to claim 4, it is characterised in that
The stop pin applies pretightning force by spring, and the direction of the pretightning force is towards the lock hole.
6. sampling device according to claim 1 or 2, it is characterised in that
The bearing assembly includes the pressure pin that is connected with the grip pivots, the specimen holder being fixedly connected with the pressure pin and
It is placed on the sample bottle on the specimen holder.
7. sampling device according to claim 6, it is characterised in that described pressure pin one end is inserted and fixed in the sample
In the fixing groove of frame bottom；
The push rod is rotatably inserted two circular holes up and down of the pressure pin other end；
The handle inserts the circular hole of the push rod bottom so that the handle drives the specimen holder, the pressure pin, the top
Bar is moved together.
8. sampling device according to claim 6, it is characterised in that be located at the second place in the bearing assembly
When, the specimen holder bottom is in close contact with measurement cavity inner wall, and the measurement cavity is filled up.
9. a kind of liquid dodges spectrometer, it is characterised in that including：
For the shield for the measurement chamber for forming lucifuge；
Sampling device as any one of claim 1 to 8, the sampling device is arranged on the shield；And
It is arranged on the photomultiplier on the shield.
10. liquid according to claim 9 dodges spectrometer, it is characterised in that also include：
It is arranged on the locating slot on the shield so that when the bearing assembly is located at the second place, the handle
It is rotatable in the locating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710462890.1A CN107144870B (en) | 2017-06-19 | 2017-06-19 | Sample injection device for liquid flash spectrometer and liquid flash spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710462890.1A CN107144870B (en) | 2017-06-19 | 2017-06-19 | Sample injection device for liquid flash spectrometer and liquid flash spectrometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107144870A true CN107144870A (en) | 2017-09-08 |
| CN107144870B CN107144870B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710462890.1A Active CN107144870B (en) | 2017-06-19 | 2017-06-19 | Sample injection device for liquid flash spectrometer and liquid flash spectrometer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113514867A (en) * | 2021-05-26 | 2021-10-19 | 西安中核核仪器有限公司 | Light-avoiding interlocking system for liquid scintillation counter |
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| 邓艾芳 等: "国产超低本底液闪谱仪主要性能评价", 《核电子学与探测技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113514867A (en) * | 2021-05-26 | 2021-10-19 | 西安中核核仪器有限公司 | Light-avoiding interlocking system 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 |
| CN113514867B (en) * | 2021-05-26 | 2022-04-15 | 西安中核核仪器股份有限公司 | Light-avoiding interlocking system for liquid scintillation counter |
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| CN107144870B (en) | 2023-05-23 |
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