CN104777507A - Liquid scintillation detector provided with automatic sample injection device - Google Patents
Liquid scintillation detector provided with automatic sample injection device Download PDFInfo
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- CN104777507A CN104777507A CN201510145306.0A CN201510145306A CN104777507A CN 104777507 A CN104777507 A CN 104777507A CN 201510145306 A CN201510145306 A CN 201510145306A CN 104777507 A CN104777507 A CN 104777507A
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- China
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- liquid scintillation
- scintillation detector
- sampling apparatus
- automatic sampling
- control system
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Abstract
The invention discloses a liquid scintillation detector provided with an automatic sample injection device. The liquid scintillation detector comprises a casing, wherein a function zone is arranged on the casing; an operation panel, a display screen and a mini-printer are arranged on the function zone; the upper end of the casing can be opened and closed, and the automatic sample injection device, a photomultiplier tube and a control system are arranged in the casing; the automatic sample injection device is used for conveying a sample bottle to the middle of the photomultiplier tube; the photomultiplier tube is used for converting a weak light signal emitted from the sample bottle into an electrical signal; the control system is used for providing high voltage for the automatic sample injection device and the photomultiplier tube and controlling signal collection, motor driving and single chip microcomputer signal processing. According to the liquid scintillation detector provided with the automatic sample injection device, by means of the automatic sample injection device, a plurality of sample bottles are placed in the liquid scintillation detector once for detection, and the liquid scintillation detector is convenient, fast and efficient.
Description
Technical field
The present invention relates to field of medical device, especially a kind of liquid scintillation detector with automatic sampling apparatus.
Background technology
Liquid scintillation detector is the utensil being applicable to low energy pure beta activity nucleic activity measurement.Such as detect the faint emission activity of hydrogen-3 and carbon-14 etc.Have highly sensitive, easy and simple to handle, the advantages such as applicability is strong.By transparent vessel sample is housed adds liquid scintillator, photoelectricity is to fluorescent tube, electronic device (comprising main amplifier, discriminator, scaler etc.) composition, range of application is wider, liquid scintillator luminescent substance is dissolved in organic solution to be made, and requires that luminescence decay time is short, transparency good, easy preparation, cost be low.Typical liquid scintillator is a toluene solution of the terphenyl of 5g/L and the POPOP of 0.5g/L, the micro-blue-tinted transparent of tool, and existing liquid scintillation detector can only detect single flicker sampling bottle, inefficiency.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of liquid scintillation detector with automatic sampling apparatus, automatically can detect multiple flicker sample (such as liquid scintillation sample or solid scintillator sample).
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
1, with the liquid scintillation detector of automatic sampling apparatus, comprise housing, housing is provided with functional areas, functional areas are provided with guidance panel and display screen and printer, housing upper end can folding, and inside is provided with automatic sampling apparatus, photomultiplier and control system, wherein:
Automatic sampling apparatus, for being transported in the middle of photomultiplier by specimen bottle;
Photomultiplier, converts faint optical signal to electric signal;
Control system, for providing high pressure for automatic sampling apparatus, photomultiplier, control signal collection, motor drive and single-chip microcomputer signal.
Further, described automatic sampling apparatus is disk, and disk inner ring has got around sample holes, and one of them sample holes lower end connects stepper motor, and stepper motor lower end is arranged in the middle of photomultiplier.
Further, described sample holes is 30.
Further, described control system is arranged on the lower left corner of housing, and described control system is four electroplaxs, is used to provide high pressure, signals collecting, motor driving and single-chip microcomputer signal respectively.
Further, in described disk, optoelectronic switch is set.
Further, housing rear portion is provided with the back cover of folding, and control system connects back cover, and back cover can be connected with computer, makes equipment can independent operating or run by conputer controlled.
The invention has the beneficial effects as follows:
The present invention by automatic sampling apparatus, once places multiple sample, by control system and stepper motor, is delivered to respectively by sample and can automatically detects multiple sample, and exports between two photomultipliers and detect, and the multiple sample of batch detection, saves manpower.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the liquid scintillation detector shaft side figure of the present invention with automatic sampling apparatus.
Fig. 2 is the liquid scintillation detector rear view of the present invention with automatic sampling apparatus.
In figure: 1, functional areas, 2, upper cover, 3, housing, 4, automatic sampling apparatus, 5, sample holes, 6, specimen bottle, 7, back cover, 8, stepper motor, 9, photomultiplier, 101, high voltage system, 102, signal acquisition control system, 103, driving control system for electric machine, 104, single-chip microcomputer whistle control system, 11, output terminal.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
As Fig. 1, shown in Fig. 2, the present invention discloses a kind of liquid scintillation detector with automatic sampling apparatus, comprise housing 3, housing is provided with functional areas 1, functional areas 1 are provided with guidance panel and display screen, housing 3 upper end is provided with upper cover 2, upper cover 2 can folding, inside is provided with automatic sampling apparatus 4, photomultiplier 9 and control system, described automatic sampling apparatus 4 is disk, disk inner ring has got around sample holes 5, one of them sample holes 5 lower end connects stepper motor 8, stepper motor 8 lower end is arranged in the middle of photomultiplier 9, for accurate mobile specimen bottle 6, optoelectronic switch is provided with in disk, for specimen bottle 6 being transported in the middle of photomultiplier 9, photomultiplier 9 converts faint optical signal to electric signal, in the present embodiment, described sample holes is 30.
As shown in Figure 2, control system comprises high voltage system 101, signal acquisition control system 102, driving control system for electric machine 103, single-chip microcomputer whistle control system 104, be respectively used to as automatic sampling apparatus, photomultiplier provide high pressure, control signal collection, control motor drive and control single chip computer signal.
Described control system is arranged on the lower left corner of housing 3, housing 3 rear portion is provided with the back cover 7 of folding, and back cover 7 is provided with output terminal 11, and control system connects output terminal 11, output terminal 11 is connected with computer or printer, can realize detection data-printing or be uploaded to internet by functional areas 1.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.
Claims (6)
1., with the liquid scintillation detector of automatic sampling apparatus, comprise housing, housing is provided with functional areas, functional areas are provided with guidance panel and display screen and printer, it is characterized in that, housing upper end can folding, inside is provided with automatic sampling apparatus, photomultiplier and control system, wherein:
Automatic sampling apparatus, for being transported in the middle of photomultiplier by specimen bottle;
Photomultiplier, converts faint optical signal to electric signal;
Control system, for providing high pressure for automatic sampling apparatus, photomultiplier, control signal collection, motor drive and single-chip microcomputer signal.
2. according to claim 1 with the liquid scintillation detector of automatic sampling apparatus, it is characterized in that, described automatic sampling apparatus is disk, and disk inner ring has got around sample holes, one of them sample holes lower end connects stepper motor, and stepper motor lower end is arranged in the middle of photomultiplier.
3. according to claim 2 with the liquid scintillation detector of automatic sampling apparatus, it is characterized in that, described sample holes is 30.
4. according to claim 1 with the liquid scintillation detector of automatic sampling apparatus, it is characterized in that, described control system is arranged on the lower left corner of housing, and described control system is four electroplaxs, is used to provide high pressure, signals collecting, motor driving and single-chip microcomputer signal respectively.
5., according to claim 1 with the liquid scintillation detector of automatic sampling apparatus, it is characterized in that, in described disk, optoelectronic switch is set.
6. according to claim 1 with the liquid scintillation detector of automatic sampling apparatus, it is characterized in that, housing rear portion is provided with the back cover of folding, and control system connects back cover, back cover can be connected with computer, makes equipment can independent operating or run by conputer controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510145306.0A CN104777507A (en) | 2015-03-27 | 2015-03-27 | Liquid scintillation detector provided with automatic sample injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510145306.0A CN104777507A (en) | 2015-03-27 | 2015-03-27 | Liquid scintillation detector provided with automatic sample injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104777507A true CN104777507A (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510145306.0A Pending CN104777507A (en) | 2015-03-27 | 2015-03-27 | Liquid scintillation detector provided with automatic sample injection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN108717200A (en) * | 2018-05-25 | 2018-10-30 | 长安大学 | A kind of radioactive sample activity multichannel automatic measuring system |
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Patent Citations (5)
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| CN2535799Y (en) * | 2002-05-01 | 2003-02-12 | 文运民 | Iodine element automatic detector |
| CN103339528A (en) * | 2010-11-12 | 2013-10-02 | 圣戈本陶瓷及塑料股份有限公司 | Radiation detection system and a method of using the same |
| US20130126740A1 (en) * | 2011-11-21 | 2013-05-23 | Savannah River Nuclear Solutions, Llc | System and method for assaying radiation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN108717200A (en) * | 2018-05-25 | 2018-10-30 | 长安大学 | A kind of radioactive sample activity multichannel automatic measuring system |
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Application publication date: 20150715 |
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| RJ01 | Rejection of invention patent application after publication |