CN205785123U - A kind of X-ray ga(u)ging instrument probe - Google Patents
A kind of X-ray ga(u)ging instrument probe Download PDFInfo
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- CN205785123U CN205785123U CN201620492160.7U CN201620492160U CN205785123U CN 205785123 U CN205785123 U CN 205785123U CN 201620492160 U CN201620492160 U CN 201620492160U CN 205785123 U CN205785123 U CN 205785123U
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- electric capacity
- resistance
- gas ionization
- amplifier
- ionization chamber
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Abstract
The utility model discloses a kind of X-ray ga(u)ging instrument probe, including metal shell body, metal shell internal body portion is not provided with gas ionization chamber, preamplification board and high-pressure modular, gas ionization chamber front end is provided with window, gas ionization chamber is connected with preamplification board, high-pressure modular is electrically connected with gas ionization chamber, preamplification board is provided with high power low noise operational amplification module, also include screening arrangement, screening arrangement is fixedly installed on outside window, this utility model structural principle is simple, can quickly detect the X-ray intensity penetrating steel plate, the high power low noise operational amplification module used, small-signal can be amplified stable realization, and the distortion factor is low；Screening arrangement is additionally set on window, it is possible to prevent electromagnetic interference, improves the accuracy of detection.
Description
Technical field
This utility model relates to thickness meter probe technical field of structures, is specially a kind of X-ray ga(u)ging instrument probe.
Background technology
Coating thickness detector can nondestructively measure thickness and the nonmagnetic metal matrix of Non-magnetic Coatings On Magnetic Substrates coating
The thickness of upper non-conductive coating.Coating thickness tester has that measurement error is little, reliability is high, good stability, the spy such as easy and simple to handle
Point, is to control and ensure the requisite detecting instrument of product quality, is widely used in manufacturing industry, metal-processing industry, chemical industry
The detection field such as industry, commodity inspection, coating thickness detector probe is then its of paramount importance parts, has influence on measurement efficiency and measures essence
Degree.Existing thickness meter probe structure is complicated, poor anti jamming capability, easily causes measurement error, and the signal gathered also is deposited
At distortion phenomenon, affect certainty of measurement.
Summary of the invention
The purpose of this utility model is to provide a kind of X-ray ga(u)ging instrument probe, to solve to propose in above-mentioned background technology
Problem.
For achieving the above object, this utility model following technical scheme of offer: a kind of X-ray ga(u)ging instrument probe, including gold
Belonging to shell body, described metal shell internal body portion is not provided with gas ionization chamber, preamplification board and high-pressure modular, described gas
Ionization chamber front end is provided with window, and described gas ionization chamber is connected with preamplification board, and described high-pressure modular is electrically connected with gas electricity
From room, described preamplification board is provided with high power low noise operational amplification module, also includes screening arrangement, and described screening arrangement is solid
Surely it is arranged on outside window.
Preferably, described high power low noise operational amplification module includes operational amplifier, two-stage field effect broadband amplifier
And choking-winding, an input of described operational amplifier connects resistance B one end and electric capacity B one end respectively, electric capacity B another
End ground connection, the resistance B other end connects resistance A one end and electric capacity A one end respectively, electric capacity A other end concatenation operation amplifier defeated
Going out end, another input of operational amplifier connects resistance C one end and resistance D one end, resistance C other end ground connection, resistance D respectively
The outfan of other end concatenation operation amplifier；First end of described two-stage field effect broadband amplifier connects electric capacity E one end, electricity
Hold the E other end and connect resistance F one end, the outfan of resistance F other end concatenation operation amplifier, two-stage field effect broadband amplifier
The second end connect electric capacity F one end, electric capacity G one end, electric capacity H one end, and the electric capacity F other end, electric capacity G respectively by choking-winding
The other end, the equal ground connection of the electric capacity H other end, the 3rd end of two-stage field effect broadband amplifier passes through electric capacity D, resistance E concatenation operation
The outfan of amplifier, two-stage field effect broadband amplifier the 4th end ground connection.
Preferably, described screening arrangement includes insulating cover body and being arranged on the metallic conduction on the external side of described insulating boot
Layer, the thickness of described metal conducting layer is 0.02-0.05 millimeter, and the thickness of described insulation cover body is 1.1-1.8 millimeter.
Compared with prior art, the beneficial effects of the utility model are:
(1) this utility model structural principle is simple, it is possible to quickly detection penetrates the X-ray intensity of steel plate, the high power of employing
Low noise operational amplification module, it is possible to small-signal is amplified by stable realization and the distortion factor is low.
(2) on gas ionization chamber window of the present utility model, screening arrangement is set, it is possible to prevent electromagnetic interference, improve inspection
The accuracy surveyed.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is high power low noise operational amplification module schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Referring to Fig. 1-2, a kind of technical scheme of this utility model offer: a kind of X-ray ga(u)ging instrument probe, including metal
Shell body 1, described metal shell body 1 is internal is respectively equipped with gas ionization chamber 2, preamplification board 3 and high-pressure modular 4, described
Gas ionization chamber 2 front end is provided with window 5, and described gas ionization chamber 2 is connected with preamplification board 3, and described high-pressure modular 4 electrically connects
Connecing gas ionization chamber 2, described preamplification board 3 is provided with high power low noise operational amplification module 6, also includes screening arrangement 7, institute
Stating screening arrangement 7 and be fixedly installed on outside window 5, screening arrangement 7 includes insulating cover body 11 and being arranged on described insulation cover body
Metal conducting layer 12 on outside 11, the thickness of described metal conducting layer 12 is 0.02-0.05 millimeter, described insulation cover body 11
Thickness be 1.1-1.8 millimeter, the screening arrangement of employing is prevented from electromagnetic interference, improves the accuracy of detection.
In the present embodiment, high power low noise operational amplification module 6 includes that operational amplifier 8, two-stage field effect broadband are amplified
Device 9 and choking-winding 10, an input of described operational amplifier 8 connects resistance B 2a one end and electric capacity B 2b mono-respectively
End, electric capacity B 2b other end ground connection, the resistance B 2a other end connects resistance A 1a one end and electric capacity A 1b one end, electric capacity A respectively
The outfan of 1b other end concatenation operation amplifier 8, another input of operational amplifier 8 connect respectively resistance C 3a one end and
Resistance D 4a one end, resistance C 3a other end ground connection, the outfan of resistance D 4a other end concatenation operation amplifier 8；Described two
First end 91 of level field effect broadband amplifier 9 connects electric capacity E 5b one end, and the electric capacity E 5b other end connects resistance F 6a one end,
The outfan of resistance F 6a other end concatenation operation amplifier 8, the second end 92 of two-stage field effect broadband amplifier 9 passes through chokes
Coil 10 connects electric capacity F 6b one end, electric capacity G 7b one end, electric capacity H 8b one end, and the electric capacity F 6b other end, electric capacity G respectively
The 7b other end, the electric capacity H equal ground connection of the 8b other end, the 3rd end 93 of two-stage field effect broadband amplifier 9 is by electric capacity D 4b, electricity
The outfan of resistance E 5a concatenation operation amplifier 8, two-stage field effect broadband amplifier 9 the 4th end 94 ground connection.Operational amplifier 8 is right
Signal processes, it is ensured that the quality of transmission signal, and by feedback principle, signal message is amplified 2 times, transmits the most again
Signal carrying out secondary amplification to two-stage field effect broadband amplifier 9 below again, is exported by signal, this practicality is new
The high power low noise operational amplification module that type uses, it is possible to small-signal is amplified by stable realization and the distortion factor is low.
Operation principle: when X-ray shines on gas ionization chamber window, cause the ionisation effect of intracavity gas, produce micro-
Weak current, the high power low noise operational amplification module on preamplification board is amplified to about 5V signal, turns through junction box
After connecing, deliver to the main electricity rearmounted amplifying stage of cabinet in differential signal mode and amplify, within maximum voltage is 10V after amplification, be then sent through main
On the analog acquisition card terminal of computer, high-pressure modular provides gas ionization chamber and normally works required external high pressure.This
Utility model structural principle is simple, it is possible to quickly detection penetrates the X-ray intensity of steel plate.
Embodiment the most of the present utility model, for the ordinary skill in the art,
It is appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, repair
Changing, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (3)
1. an X-ray ga(u)ging instrument probe, including metal shell body (1), it is characterised in that: described metal shell body (1) is internal
Being respectively equipped with gas ionization chamber (2), preamplification board (3) and high-pressure modular (4), described gas ionization chamber (2) front end is provided with
Window (5), described gas ionization chamber (2) is connected with preamplification board (3), and described high-pressure modular (4) is electrically connected with gas ionization
Room (2), described preamplification board (3) is provided with high power low noise operational amplification module (6), also includes screening arrangement (7), described
Screening arrangement (7) is fixedly installed on window (5) outside.
A kind of X-ray ga(u)ging instrument probe the most according to claim 1, it is characterised in that: described high power low noise operational is put
Big module (6) includes operational amplifier (8), two-stage field effect broadband amplifier (9) and choking-winding (10), and described computing is put
One input of big device (8) connects resistance B(2a respectively) one end and electric capacity B(2b) one end, electric capacity B(2b) other end ground connection,
Resistance B(2a) other end connects resistance A(1a respectively) one end and electric capacity A(1b) one end, electric capacity A(1b) other end concatenation operation puts
The outfan of big device (8), another input of operational amplifier (8) connects resistance C(3a respectively) one end and resistance D(4a) one
End, resistance C(3a) other end ground connection, resistance D(4a) outfan of other end concatenation operation amplifier (8)；Described two-stage field is imitated
The first end (91) answering broadband amplifier (9) connects electric capacity E(5b) one end, electric capacity E(5b) other end connection resistance F(6a) one
End, resistance F(6a) outfan of other end concatenation operation amplifier (8), the second end of two-stage field effect broadband amplifier (9)
(92) connect electric capacity F(6b respectively by choking-winding (10)) one end, electric capacity G(7b) one end, electric capacity H(8b) one end, and electric capacity F
(6b) other end, electric capacity G(7b) other end, electric capacity H(8b) the equal ground connection of the other end, the of two-stage field effect broadband amplifier (9)
Three ends (93) pass through electric capacity D(4b), resistance E(5a) outfan of concatenation operation amplifier (8), two-stage field effect broadband amplifier
(9) the 4th end (94) ground connection.
A kind of X-ray ga(u)ging instrument probe the most according to claim 1, it is characterised in that: described screening arrangement (7) includes absolutely
Edge cover body (11) and be arranged on the metal conducting layer (12) on described insulation cover body (11) outside, described metal conducting layer (12)
Thickness be 0.02-0.05 millimeter, the thickness of described insulation cover body (11) is 1.1-1.8 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620492160.7U CN205785123U (en) | 2016-05-26 | 2016-05-26 | A kind of X-ray ga(u)ging instrument probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620492160.7U CN205785123U (en) | 2016-05-26 | 2016-05-26 | A kind of X-ray ga(u)ging instrument probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205785123U true CN205785123U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620492160.7U Expired - Fee Related CN205785123U (en) | 2016-05-26 | 2016-05-26 | A kind of X-ray ga(u)ging instrument probe |
Country Status (1)
| Country | Link |
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| CN (1) | CN205785123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823445A (en) * | 2016-05-26 | 2016-08-03 | 马鞍山恒瑞测量设备有限公司 | X-ray thickness gauge probe |
-
2016
- 2016-05-26 CN CN201620492160.7U patent/CN205785123U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823445A (en) * | 2016-05-26 | 2016-08-03 | 马鞍山恒瑞测量设备有限公司 | X-ray thickness gauge probe |
| CN105823445B (en) * | 2016-05-26 | 2018-04-10 | 马鞍山恒瑞测量设备有限公司 | A kind of X-ray ga(u)ging instrument probe |
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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: 20161207 Termination date: 20180526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |