CN101598678B - Photomultiplier pinhole detector - Google Patents
Photomultiplier pinhole detector Download PDFInfo
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- CN101598678B CN101598678B CN2009100980225A CN200910098022A CN101598678B CN 101598678 B CN101598678 B CN 101598678B CN 2009100980225 A CN2009100980225 A CN 2009100980225A CN 200910098022 A CN200910098022 A CN 200910098022A CN 101598678 B CN101598678 B CN 101598678B
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- Prior art keywords
- photomultiplier
- camera bellows
- frame
- ultraviolet lamp
- light
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- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000005622 photoelectricity Effects 0.000 abstract description 2
- 230000003340 mental effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
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- 230000003044 adaptive effect Effects 0.000 description 1
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Abstract
The invention relates to a photomultiplier pinhole detector, which mainly comprises a frame and a power source, wherein the frame is provided with a shading light anti-scuff bracket, the upper side of which is provided with a light box; the light box is internally provided with an ultraviolet tube; a detecting zone is arranged between the shading light anti-scuff bracket and the light box; the lower side of the shading light anti-scuff bracket is a main box body which is fixed on the frame; the main box body is internally provided with a camera bellows, the upper part of which is provided with a light inlet opening; an organic glass dust-free cover board is arranged on the light inlet opening; and the inner wall of the camera bellows is provided with a reflecting layer and the camera bellows is internally provided with a photomultiplier which is provided with a positive pole output. The photomultiplier pinhole detector obtained by the invention fast and intelligently detects pinholes on a production line by adopting a photoelectricity combination means, has very high detecting precision and detecting efficiency, and can effectively overcome subjectivity quality affirmation of detecting professionals which is carried out by experiments.
Description
Technical field
The present invention relates to a kind of detector, particularly a Photomultiplier pinhole detector that is applied to detect the tiny micropore on the mental package thin plate.
Background technology
At present, the reviewer generally checks the quality of mental package thin plate by range estimation, the manual detection operation is loaded down with trivial details, and precision is low, and still is difficult to find the micropore of mental package thing such as pop can existence, oxygen, water vapor etc. progressively increase in the packaging for foodstuff and the small pin hole of these extremes can make, cause food by bacterial contamination, cause that food spoilage is spoiled, cause consumer's sitotoxismus then, jeopardize health, cause the loss of economy or prestige for food manufacturer.How there is the extremely pop can of small pin hole in these, is that the cutting stage of metal packing material detects from the source, is the unsolved so far difficult problem of mental package detection range.
Summary of the invention
The objective of the invention is provides a kind of full-automatic online detection for the deficiency that solves above-mentioned technology, and precision height, efficient height, reaction are fast, the Photomultiplier pinhole detector of non-contact detecting.
In order to achieve the above object, the Photomultiplier pinhole detector that the present invention is designed, it mainly comprises frame and power supply, frame is provided with the anti-scratch of shading carriage, the upside of putting the scratch carriage in shading is provided with lamp box, be provided with ultraviolet lamp tube in the lamp box, be provided with detection zone between shading anti-scratch carriage and the lamp box; Downside at the anti-scratch of shading carriage is the main box that is fixed on the frame, be provided with camera bellows in the main box, described camera bellows top is provided with light inlet, light inlet is provided with the organic glass dust cover, the camera bellows inwall is provided with the reflection horizon, be provided with photomultiplier in the camera bellows, photomultiplier is provided with anode output.The anti-scratch of shading carriage plays and prevents that extraneous light from penetrating in the camera bellows and support the effect of detected thin plate.Photomultiplier in the camera bellows detects the ultraviolet light that sees through micropore on the detected thin plate, thereby confirms to contain micropore on the detected thin plate.
Be provided with three ultraviolet lamp tubes in the described lamp box, wherein a ultraviolet lamp tube vertical irradiation is provided with, and other two ultraviolet lamp tubes are symmetrical arranged and become 57 to spend angles with level.Ultraviolet lamp tube is set like this can prevents effectively that light from producing the phenomenon that can't see through pin hole when pin hole exists in the mode that tilts, accomplish the no dead angle of irradiation.
In order to make the designed this Photomultiplier pinhole detector of the present invention can detect the thin plate of various specification, the frame one or both sides are provided with the shadow shield of elasticity scrolling, one end of shadow shield is connected on the motor slide block, motor slide block and motor slide block guide rail are formed moving sets, and the motor slide block is connected with drive of motor.The motor slide block can move around under the control of motor, thus the width in control detection space, to adapt to the width of detected thin plate.Make ultraviolet light just can shine in the camera bellows, prevent the generation of reporting by mistake by the micropore on the detected thin plate.
In order to reach the handled easily personnel detected parameters is set, the operation detection instrument, also reach the purpose of full-automatic detection, described ultraviolet lamp tube is electrically connected with electric control system in being arranged on main box by electric ballast, anode output on the photomultiplier is electrically connected with electric control system, and electric control system is electrically connected with operator's console, display and warning device.Warning device can be reported to the police when detecting micropore automatically.
For equipment set can effectively be detected, stable working, its voltage of described power supply is 120V to 240V, and frequency is 50Hz to 60Hz, and average power is 250VA, and peak power is 500VA; Ultraviolet lamp tube provides the ultraviolet lamp tube of the ultraviolet light of 380 nanometers.
The resulting Photomultiplier pinhole detector of the present invention adopts the photoelectricity engagement means can realize the quick, intelligent detection of pin hole on production line, and accuracy of detection and detection efficiency are high, can effectively overcome the quality identification that the testing staff carries out subjectivity by rule of thumb.The photomultiplier conduct is to survey the electrooptical device of electric signal with atomic low light level conversion of signals, degree time response that has high sensitivity and be exceedingly fast, make Photomultiplier pinhole detector can precisely detect metal material sub-cut, section on-line velocity up to the pin hole in the high-speed cruising process of 1830m/min, the minimum interval resolution of adjacent bores is the hole of 5ms to diameter 25 μ m.Be provided with autoalarm simultaneously, the testing staff can reject the thin plate of pin hole according to reporting to the police.
Description of drawings
Fig. 1 is the present invention's 1 front view;
Fig. 2 is the cut-open view of Figure 1A-A;
Fig. 3 is that ultraviolet lamp tube of the present invention position is provided with synoptic diagram;
Fig. 4 is a camera bellows structural representation of the present invention.
Embodiment
The invention will be further described in conjunction with the accompanying drawings below by embodiment.
As shown in Figure 1 and Figure 2, the Photomultiplier pinhole detector that present embodiment is described, it mainly comprises frame 1 and power supply, frame 1 is provided with the anti-scratch of shading carriage 12, the upside of putting scratch carriage 12 in shading is provided with lamp box 4, is provided with three ultraviolet lamp tubes 5 in the lamp box 4, wherein ultraviolet lamp tube 5 vertical irradiation settings, other two ultraviolet lamp tubes 5 are symmetrical arranged and become 57 degree angles with level, as shown in Figure 3.Be provided with detection zone 16 between shading anti-scratch carriage 12 and the lamp box 4; Downside at the anti-scratch of shading carriage 12 is the main box 11 that is fixed on the frame 1, be provided with camera bellows 6 in the main box 11, as shown in Figure 4, described camera bellows 6 tops are provided with light inlet 19, light inlet 19 is provided with organic glass dust cover 14, camera bellows 6 inwalls are provided with reflection horizon 17, are provided with photomultiplier 7 in the camera bellows 6, and photomultiplier 7 is provided with anode output.Frame 1 symmetria bilateralis is provided with the shadow shield 10 of elasticity scrolling, one end of shadow shield 10 is connected on the motor slide block 9, motor slide block 9 is formed moving sets with motor slide block guide rail 13, and motor slide block 9 is in transmission connection with motor 15, and described being in transmission connection is that gear, sprocket wheel and chain are formed.Ultraviolet lamp tube 5 is electrically connected with electric control system 2 in being arranged on main box 11 by the 45KHz electric ballast, anode output on the photomultiplier 7 is electrically connected with electric control system 2, and electric control system 2 is electrically connected with operator's console, display and warning device 3.Operator's console and display can be combined into touch screen operation platform 18.Its voltage of described power supply is 120V to 240V, and frequency is 50Hz to 60Hz, and average power is 250VA, and peak power is 500VA; And power supply is connected with photomultiplier 7 by high-pressure modular; Ultraviolet lamp tube 5 provides the ultraviolet lamp tube of the ultraviolet light of 380 nanometers.
During work, earlier by touch screen operation platform control shadow shield 10, produce effect width and the detected thin plate 8 that make to detect are adaptive, prevent that the irradiate light of the detected thin plate 8 of process does not arrive in the camera bellows 6, open ultraviolet lamp tube 5 and photomultiplier 7 then, detected thin plate 8 is pushed detection zone 16, detect.When containing micropore on the detected thin plate 8, ultraviolet shines in the camera bellows 6 by micropore, and the reflection horizon 17 of process camera bellows 6 inwalls reflects on the photomultiplier 7, and photomultiplier 7 sends electric signal, makes warning device 3 report to the police.
Claims (1)
1. Photomultiplier pinhole detector, it mainly comprises frame (1) and power supply, it is characterized in that frame (1) is provided with the anti-scratch of shading carriage (12), upside at shading anti-scratch carriage (12) is provided with lamp box (4), be provided with ultraviolet lamp tube (5) in the lamp box (4), be provided with detection zone (16) between shading anti-scratch carriage (12) and the lamp box (4); Downside at shading anti-scratch carriage (12) is the main box (11) that is fixed on the frame (1), be provided with camera bellows (6) in the main box (11), described camera bellows (6) top is provided with light inlet (19), light inlet (19) is provided with organic glass dust cover (14), camera bellows (6) inwall is provided with reflection horizon (17), be provided with photomultiplier (7) in the camera bellows (6), photomultiplier (7) is provided with anode output; Be provided with three ultraviolet lamp tubes (5) in the described lamp box (4), a wherein ultraviolet lamp tube (5) vertical irradiation setting, two ultraviolet lamp tubes (5) are symmetrical arranged and become 57 to spend angles with level in addition; Described frame (1) one or both sides are provided with the shadow shield (10) of elasticity scrolling, one end of shadow shield (10) is connected on the motor slide block (9), motor slide block (9) is formed moving sets with motor slide block guide rail (13), and motor slide block (9) is in transmission connection with motor (15); Described ultraviolet lamp tube (5) is electrically connected by the electric ballast electric control system (2) interior with being arranged on main box (11), electric ballast provides 45KHz electric current, anode output on the photomultiplier (7) is electrically connected with electric control system (2), and electric control system (2) is electrically connected with operator's console, display and warning device (3); Described power supply adopts 120V～240V, 50Hz or 60Hz, and average power 250VA, peak power is 500VA; Ultraviolet lamp tube (5) provides the ultraviolet light of 380 nanometers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100980225A CN101598678B (en) | 2009-04-23 | 2009-04-23 | Photomultiplier pinhole detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100980225A CN101598678B (en) | 2009-04-23 | 2009-04-23 | Photomultiplier pinhole detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101598678A CN101598678A (en) | 2009-12-09 |
| CN101598678B true CN101598678B (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100980225A Expired - Fee Related CN101598678B (en) | 2009-04-23 | 2009-04-23 | Photomultiplier pinhole detector |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830122B (en) * | 2012-08-16 | 2015-09-09 | 南京航空航天大学 | Based on micropore rapid detection method and the device of luminous flux |
| CN109998481B (en) * | 2019-02-01 | 2024-01-30 | 中国科学院苏州生物医学工程技术研究所 | Weak light detection device based on photomultiplier |
| CN112433137A (en) * | 2020-11-10 | 2021-03-02 | 西安工程大学 | Measuring method for silicon photomultiplier PDE and Pct space two-dimensional distribution |
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- 2009-04-23 CN CN2009100980225A patent/CN101598678B/en not_active Expired - Fee Related
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| CN101598678A (en) | 2009-12-09 |
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Owner name: HANGZHOU XUANEN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HANGZHOU XUANHONG TECHNOLOGY CO., LTD. Effective date: 20140509 |
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