CN206096479U - Passive ash analyzer 's ray scintillation detector - Google Patents
Passive ash analyzer 's ray scintillation detector Download PDFInfo
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- CN206096479U CN206096479U CN201621024749.0U CN201621024749U CN206096479U CN 206096479 U CN206096479 U CN 206096479U CN 201621024749 U CN201621024749 U CN 201621024749U CN 206096479 U CN206096479 U CN 206096479U
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- detection device
- ray scintillation
- photomultiplier
- passive
- power supply
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Abstract
The utility model discloses a passive ash analyzer's ray scintillation detector, including the electromagnetic shield shell, the electromagnetic shield shell inboard and the outside all are equipped with the constant temperature heating ware, there are the scintillation body, photomultiplier, high voltage power supply and preamplification board in electromagnetic shield shell inside, photomultiplier and the scintillation body, preamplification board and high voltage power supply are connected, the preamplification board is connected with signal transmission cable. The beneficial effect of the utility model: the utility model discloses with low costs, compact structure, easy and peripheral equipment matching, especially adapted industrial production. Simultaneously, because the adoption is passive detection's mode, this product has reduced the energy resource consumption, does not also completely pollute the surrounding environment.
Description
Technical field
The utility model is related to X-ray detection X technology, it particularly relates to a kind of ray scintillation detection of passive Ash analyser
Device.
Background technology
At present, in China's coal-mine, washing coal works, thermal power plant, coal mixing plant, coke-oven plant, steel plant, cement plant, fortune coal wharf
And in various use coal units, the department such as national environmental protection, public security, health constantly payes attention to and strengthens the management to radioactive source and puts on record,
The examination ＆ approval for making new radioactive source are gone through the formalities further loaded down with trivial details, working service cost also more and more higher.Used in current Ash analyser
Ray scintillation detection device uses the mode of active detection, and this mode not only needs gamma ray reception device, also needs
Gamma ray emission device, high cost is wanted to increased environmental pollution.
Utility model content
The purpose of this utility model is to provide a kind of ray scintillation detection device of passive Ash analyser, to overcome prior art
Above shortcomings.
The purpose of this utility model is achieved through the following technical solutions：
A kind of ray scintillation detection device of passive Ash analyser, including shielding casing, in the shielding casing
Side and outside are equipped with constent temperature heater, be provided with inside the shielding casing scintillator, photomultiplier, high voltage power supply and
Preamplification board, the scintillator is coupled by optical coupling device and couplant with photomultiplier, the photomultiplier
Preamplification board is electrically connected with, the preamplification board is electrically connected with high voltage power supply, and the preamplification board is connected with signal biography
Defeated cable.
Further, the scintillator is NaI（TI）Crystal.
Further, the preamplification board includes voltage follower, plastic drive circuit, pre-amplification circuit, stable
Filter circuit.
Further, the shielding casing is pure iron shell, glass not alloy shell, aluminum hull or three's various combination
Mixture.
Further, the constent temperature heater includes electrical heating wire, insulating barrier, heat-insulating and shock-absorbing layer, temperaturecontrol sensor
And fixed clamping device.
Further, the photomultiplier and the assembling of photomultiplier transit pipe insert seat, preamplification board and high voltage power supply is fixed
For a set of String structure.
The beneficial effects of the utility model：The utility model low cost, compact conformation, easily match with ancillary equipment, very
Suitable industrialized production.Simultaneously as using the mode of passive detection, this product reduces energy resource consumption, also to surrounding
Environment does not pollute completely.
Description of the drawings
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structure of the ray scintillation detection device of a kind of passive Ash analyser according to the utility model embodiment
Schematic diagram.
In figure：
1st, scintillator；2nd, photomultiplier；3rd, high voltage supply module；4th, preamplification board；5th, shielding casing；6th, believe
Number transmission cable；7th, voltage follower；8th, constent temperature heater.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the scope of the utility model protection.
As shown in figure 1, a kind of ray scintillation detection device of passive Ash analyser described in the utility model, including electromagnetic screen
Shell 5 is covered, the inner side and outer side of the shielding casing 5 is equipped with constent temperature heater 8, sets inside the shielding casing 5
There are scintillator 1, photomultiplier 2, high voltage power supply 3 and preamplification board 4, the scintillator 1 is by optical coupling device and coupling
Mixture is coupled with photomultiplier 2, and the photomultiplier 2 is electrically connected with preamplification board 4, and the preamplification board 4 is electrically connected
High voltage power supply 3 is connected to, the preamplification board is connected with signal transmission cable 6.
The scintillator 1 is NaI（TI）Crystal.
The preamplification board 4 is a kind of linear amplifier, including voltage follower 7, plastic drive circuit, preposition amplification
Circuit, stationary filtering circuit, the preamplification board 4 plays the work for suppressing noise jamming, impedance conversion, signal front end to amplify
With for the irregular pulse of pulse width to be become the pulse of adequate impulse width.
The shielding casing 5 is the mixing of pure iron shell, glass not various various combinations of alloy shell, aluminum hull or three
Body.
The constent temperature heater 8 includes electrical heating wire, insulating barrier, heat-insulating and shock-absorbing layer, temperaturecontrol sensor and geometrical clamp
Tight device.
The assembling of the photomultiplier 2, preamplification board 4 and high voltage power supply 3 is fixed as a set of String structure.
The high voltage power supply 3 is that photomultiplier 2 provides correspondence reliable and stable high-pressure work power supply.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of ray scintillation detection device of passive Ash analyser, it is characterised in that it includes shielding casing（5）, it is described
Shielding casing（5）Inner side and outer side be equipped with constent temperature heater（8）, the shielding casing（5）Inside is provided with sudden strain of a muscle
Bright body（1）, photomultiplier（2）, high voltage power supply（3）And preamplification board（4）, the scintillator（1）By optical coupler
Part and couplant and photomultiplier（2）Coupling, the photomultiplier（2）Electrical connection preamplification board（4）, the front storing
Big plate（4）Electrical connection high voltage power supply（3）, the preamplification board（4）It is connected with signal transmission cable（6）.
2. a kind of ray scintillation detection device of passive Ash analyser according to claim 1, it is characterised in that the flicker
Body（1）For NaI（TI）Crystal.
3. the ray scintillation detection device of a kind of passive Ash analyser according to claim 1, it is characterised in that described preposition
Amplification board（4）Including voltage follower（7）, plastic drive circuit, pre-amplification circuit, stationary filtering circuit.
4. a kind of ray scintillation detection device of passive Ash analyser according to claim 1, it is characterised in that the electromagnetism
Shielding shell（5）For the mixture of pure iron shell, glass not alloy shell, aluminum hull or three's various combination.
5. a kind of ray scintillation detection device of passive Ash analyser according to claim 1, it is characterised in that the constant temperature
Heater（8）Including electrical heating wire, insulating barrier, heat-insulating and shock-absorbing layer, temperaturecontrol sensor and fixed clamping device.
6. a kind of ray scintillation detection device of passive Ash analyser according to claim 1, it is characterised in that the photoelectricity
Multiplier tube（2）, preamplification board（4）And high voltage power supply（3）, assembling be fixed as a set of String structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621024749.0U CN206096479U (en) | 2016-08-31 | 2016-08-31 | Passive ash analyzer 's ray scintillation detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621024749.0U CN206096479U (en) | 2016-08-31 | 2016-08-31 | Passive ash analyzer 's ray scintillation detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206096479U true CN206096479U (en) | 2017-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621024749.0U Active CN206096479U (en) | 2016-08-31 | 2016-08-31 | Passive ash analyzer 's ray scintillation detector |
Country Status (1)
| Country | Link |
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| CN (1) | CN206096479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663356A (en) * | 2018-06-21 | 2018-10-16 | 芜湖市金马电子信息有限责任公司 | A kind of chemiluminescence immunoassay detection device using biosensor |
-
2016
- 2016-08-31 CN CN201621024749.0U patent/CN206096479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663356A (en) * | 2018-06-21 | 2018-10-16 | 芜湖市金马电子信息有限责任公司 | A kind of chemiluminescence immunoassay detection device using biosensor |
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