CN103809199A - Dust prevention and water prevention structure of fixing type nuclear radiation monitoring instrument - Google Patents
Dust prevention and water prevention structure of fixing type nuclear radiation monitoring instrument Download PDFInfo
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- CN103809199A CN103809199A CN201410063416.8A CN201410063416A CN103809199A CN 103809199 A CN103809199 A CN 103809199A CN 201410063416 A CN201410063416 A CN 201410063416A CN 103809199 A CN103809199 A CN 103809199A
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Abstract
The invention relates to a dust prevention and water prevention structure of a fixing type nuclear radiation monitoring instrument. The dust prevention and water prevention structure of the fixing type nuclear radiation monitoring instrument solves the problems that a worker needs to use a steel structure frame in cooperation with a plastic pad, sealing glue and fastening screws to achieve expected dust prevention and water prevention effects for a prior fixing type nuclear radiation monitoring instrument, technology is complex, cost is high, and field maintenance of the prior fixing type nuclear radiation monitoring instrument is inconvenient. The dust prevention and water prevention structure of the fixing type nuclear radiation monitoring instrument is completed mainly by depending on a splicing structure composed of a plastic front panel and a plastic rear panel. A rubber pad, the sealing glue, the fastening screws and the like are not involved in the use process of the dust prevention and water prevention structure of the fixing type nuclear radiation monitoring instrument. Furthermore, the dust prevention and water prevention structure of the fixing type nuclear radiation monitoring instrument can achieve an IP54 protection effect, and is low in weight, simple in process, low in cost, high in reliability, and suitable for field maintenance of the instrument.
Description
Technical field
The present invention relates to a kind of dustproof and waterproof structure, particularly relate to a kind of dustproof and waterproof structure of outdoor fixed nuclear radiation monitoring instrument.
Background technology
Fixed nuclear radiation monitoring instrument is mainly used in personnel, the porte-cochere in the radiation work places such as nuclear power station, core treatment plant, core warehouse, real-time detection is carried out in nuclear radiation to the mobile object through passage, also can monitor the personnel of subway, airport, large stadium etc., the potential nuclear radiation object of porte-cochere.
The gamma-rays of the main detecting mobile object radiation of fixed nuclear radiation monitoring instrument, instrument detecting window material character and thickness are larger on detection efficiency impact.Especially low-energyγ-ray, a little less than penetration power, requires detecting window density of material and thickness as far as possible little.
Fixed nuclear radiation monitoring instrument General Requirements has the functions such as mobile object perception, sound and light alarm, wired networking, data demonstration, can be applicable to the multiple environment such as indoor and outdoors, dustproof and waterproof reaches the IP54 requirement of GB4208-2008 " shell protection grade " standard regulation.
Fixed nuclear radiation monitoring instrument in the past, in order to reach the dustproof and waterproof effect of expection, one-piece construction adopts Steel material, detecting window adopts aluminium sheet, sealing between aluminium sheet and steel frame need to be used plastic mattress, fluid sealant, trip bolt, complex process, cost is high, is not easy to the on-site maintenance of equipment.In addition, instrument adopts steel in a large number, causes equipment heaviness, has increased the difficulty of transportation cost and installation.
The microwave of launching due to mobile object awareness tool can not penetrating metal shell, so traditional fixed nuclear radiation monitoring instrument, mobile object perception device separates with instrument, need to protect separately.Same reason, light crossing-signal part also needs to separate with instrument and protection separately.Cost and the complicacy of complete machine protection are so just increased.
Summary of the invention
The object of this invention is to provide a kind of simple in structure, lightweight, reliability is high, easy accessibility, be applicable to the fixed nuclear radiation monitoring instrument dustproof and waterproof structure of field maintemance.
The fixed nuclear radiation monitoring instrument of one of the present invention dustproof and waterproof structure, this structure comprises main frame 1, shell rear panel 2, shell front panel 3, lampshade 4;
Shell rear panel 2 of the present invention connects into as a whole with main frame 1, shell front panel 3 by front panel edge flange 11 from top to bottom entirety insert rear panel U-shaped diversion trench 10 and form an Inserting structure closely, display screen transparent panel 9 adopts epoxide-resin glue to be bonded on shell front panel 3;
Rear panel U-shaped diversion trench of the present invention 10 bottoms and main frame 1 are fixing by bolt 6 and cushion block 5, on cushion block, recessed seam 13 clamps mutually with the seam 12 of front panel edge epirelief, applies fluid sealant and make the disposable sealing of axis hole between bolt 6 and cushion block hole 14, U-shaped diversion trench through hole 15, main frame threaded hole 16 on bolt 6; The residing position of platform 7 is drawn lower than main frame 1 bottom cable in shell body lower openings position 8;
Lampshade 4 of the present invention is supporting with the size in the reserved lampshade of shell hole, adopts epoxide-resin glue to carry out bonding to surface of contact.
Shell front panel 3 of the present invention and shell rear panel 2 are engineering plastics.
Lampshade 4 of the present invention is transparent organic glass.
Inserting structure between shell front and back panel of the present invention between main forward rear panel completes.Shell comprises front panel and rear panel, all adopts engineering plastics (ABS) by the one-shot forming of plastic uptake technique.Rear panel and main frame connect into as a whole, when maintenance without the two is taken apart.Main frame adopts light section steel structure, and gamma-ray transducer and electronics component are arranged on the bearing plate of main frame from front panel direction.The edge designs of rear panel has U-shaped diversion trench, front panel edge designs has flange, front panel is the U-shaped diversion trench of entirety insertion rear panel from top to bottom, form an Inserting structure closely, the water of all directions splashes on tool housing, the rainwater that enters gap between front and back panel can be along U-shaped diversion trench water conservancy diversion, thereby plays the effect of waterproof.Gap between Inserting structure is very little, coordinates U-shaped diversion trench jointly can play dustproof effect.Rear panel U-shaped diversion trench bottom is fixed by several bolts and cushion block with main frame, on cushion block, be designed with recessed seam, front panel edge designs has the seam of epirelief, two seams clamp mutually, can effectively prevent the side direction deformation of front panel, between enhancing front and back panel, the laminating tightness degree in gap and shell is attractive in appearance.
Rear panel U-shaped diversion trench of the present invention bottom and main frame be by bolt and cushion block when fixing, applies fluid sealant and make the disposable sealing of axis hole between bolt and cushion block hole, U-shaped diversion trench through hole, main frame threaded hole on bolt.After front and back panel has combined, form the cube housing of a lower openings, this opening directly closely covers the part that needs protection in main frame, lower housing portion aperture position is drawn position of platform lower than main frame bottom cable, and the water that therefore can effectively prevent all directions splashes cable and draws on platform.
On shell of the present invention, inlaying lampshade mainly relies on adhering method to complete.Lampshade adopts transparent organic glass material, by the one-shot forming of plastic uptake technique, good with the dimensional fits in the reserved lampshade of shell hole, adopts epoxide-resin glue to carry out surface of contact bonding, and intensity is high, and gap sealing is tight, and dustproof and waterproof is respond well.Display screen transparent panel adopts same process to be embedded on shell front panel.
Beneficial effect of the present invention:
1, between shell front and back panel, the dustproof and waterproof in gap mainly relies on the Inserting structure of the two composition to complete, Inserting structure does not in use relate to rubber blanket, fluid sealant, trip bolt etc., can reach the protection effect of IP54, and technique is simple, cost is low, and reliability is high.
2, sheathing material adopts engineering plastics, and complete machine is alleviated more than 80% than conventional steel, constructed of aluminium weight of equipment, has reduced transportation cost and field erected difficulty.
3, only need take off front panel when apparatus guarantee, front panel is lightweight, and easy disassembling is time saving and energy saving, is applicable to very much the on-site maintenance of instrument.
4, the microwave that mobile object awareness tool is launched can penetrate plastic casing, therefore can be placed in shell, without protecting separately.
5, shell can be inlayed transparent organic glass parts, display light alerting signal and detection information.Bonding completing once between transparent organic glass material and front and back panel, technique is simple, good sealing effect.
Accompanying drawing explanation
The fixed nuclear radiation monitoring instrument of Fig. 1 front elevation
The fixed nuclear radiation monitoring instrument of Fig. 2 left view
The fixed nuclear radiation monitoring instrument of Fig. 3 takes off the right view of front panel
A-A cut-open view in Fig. 4 Fig. 1
B-B cut-open view in Fig. 5 Fig. 1
A point partial enlarged drawing in Fig. 6 Fig. 5
B point partial enlarged drawing in Fig. 7 Fig. 3
Fig. 8 main frame axonometric drawing
Fig. 9 shell rear panel axonometric drawing
Figure 10 shell front panel axonometric drawing
Wherein: 1. main frame; 2. shell rear panel; 3. shell front panel; 4. lampshade; 5. cushion block; 6. bolt; 7. main frame bottom cable is drawn platform; 8. lower housing portion aperture position; 9. display screen transparent panel; 10. rear panel U-shaped diversion trench; 11. front panel edge flange; The seam of 12. front panel edge epireliefs; Recessed seam on 13. cushion blocks; 14. cushion block holes; 15.U shape diversion trench through hole; 16. main frame threaded holes.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present invention is described further.
Fig. 1 has shown the position relationship of instrument main frame 1 with shell front panel 3, has shown the position of display screen transparent panel 9 on shell front panel 3.
Fig. 2 has shown position relationship between tool housing rear panel 2 and front panel 3 and gap between the two, has shown the position of lampshade 4 on shell rear panel 2 and front panel 3.
Fig. 3 has shown the position relationship of tool housing rear panel 2 with main frame 1, has shown the position of cushion block 5 on shell rear panel 2.
Fig. 4 has shown the installation matching relationship between main frame 1, shell rear panel 2 and shell front panel 3 threes, has shown shape and the position of rear panel U-shaped diversion trench 10, has shown shape and the position of front panel edge flange 11.
Fig. 5 and Fig. 6 have shown the installation matching relationship between bolt 6, cushion block 5, rear panel U-shaped diversion trench 10, main frame 1, show the installation matching relationship between the recessed seam 13 of the seam 12 of front panel edge epirelief and cushion block, shown the shaft hole matching relation between bolt 6 and cushion block hole 14, U-shaped diversion trench through hole 15, main frame threaded hole 16.
Fig. 7 has shown that lower housing portion aperture position 8 draws platform 7 lower than main frame bottom cable.
Fig. 8, Fig. 9 and Figure 10 have shown outward appearance and the length ratio of main frame 1, shell rear panel 2 and shell front panel 3 these three parts.
Fig. 1 to Fig. 6 has illustrated how protection Design is carried out in the gap between shell front and back panel.Shell front panel 3 and shell rear panel 2, all adopt engineering plastics (ABS) by the one-shot forming of plastic uptake technique.Shell rear panel 2 connects into as a whole with main frame 1.Main frame 1 adopts light section steel structure, and gamma-ray transducer and electronics component are arranged on the bearing plate of main frame 1 from front panel 3 directions.The edge designs of rear panel 2 has U-shaped diversion trench 10, front panel edge designs has flange 11, front panel is the U-shaped diversion trench 10 of entirety insertion rear panel from top to bottom, form an Inserting structure closely, the water of all directions splashes on tool housing, the rainwater that enters gap between front and back panel can be along U-shaped diversion trench 10 water conservancy diversion, thereby play the effect of waterproof.Dustproof effect can be played in the labyrinth of Inserting structure composition.Rear panel U-shaped diversion trench 10 bottoms and main frame 1 are fixing by several bolts 6 and cushion block 5, on cushion block 5, be designed with recessed seam 13, front panel edge designs has the seam 12 of epirelief, two seams clamp mutually, can effectively prevent the side direction deformation of front panel, between enhancing front and back panel, the laminating tightness degree in gap and shell is attractive in appearance.
Fig. 5 and Fig. 6 have illustrated how shell rear panel 2 and main frame threaded hole 16 are carried out to protection Design.When rear panel U-shaped diversion trench 10 bottoms and main frame are fixing by bolt 6 and cushion block 5, on bolt 6, apply fluid sealant and make the disposable sealing of axis hole between bolt 6 and cushion block hole 14, U-shaped diversion trench through hole 15, main frame threaded hole 16.Water in U-shaped diversion trench 10 can not enter instrument internal by U-shaped diversion trench through hole 15, main frame threaded hole 16.
Fig. 7 has illustrated the hood-shaped structural shielding of outer casing bottom to main frame 1.After front and back panel has combined, form the cube housing of a lower openings, this opening directly closely covers interior main frame 1 part that needs protection, lower housing portion aperture position 8 is drawn the residing position of platform 7 lower than main frame bottom cable, and the water that therefore can effectively prevent all directions splashes cable and draws on platform 7.
Fig. 1, Fig. 2 and Fig. 3 have illustrated the protection Design of inlaying lampshade 4 on shell.Lampshade 4 adopts transparent organic glass material, by the one-shot forming of plastic uptake technique, good with the dimensional fits in the reserved lampshade of shell hole, adopts epoxide-resin glue to carry out surface of contact bonding, and intensity is high, and gap sealing is tight, and dustproof and waterproof is respond well.Display screen transparent panel 9 adopts same process to be embedded on shell front panel 3.
To proving by the test result of the principle prototype of the present invention's design, adopt technical scheme of the present invention, fixed nuclear radiation monitoring instrument dustproof and waterproof method can reach the protection effect of IP54, lightweight, simple in structure, easy disassembling, be applicable to field maintemance, cost is low, and reliability is high.
Claims (3)
1. a fixed nuclear radiation monitoring instrument dustproof and waterproof structure, is characterized in that: this structure comprises main frame (1), shell rear panel (2), shell front panel (3), lampshade (4);
Shell rear panel (2) connects into as a whole with main frame (1), shell front panel (3) is by front panel edge flange (11) entirety insertion rear panel U-shaped diversion trench (10) from top to bottom, form an Inserting structure closely, display screen transparent panel (9) adopts epoxide-resin glue to be bonded on shell front panel (3);
Rear panel U-shaped diversion trench (10) bottom is fixing by bolt (6) and cushion block (5) with main frame (1), on cushion block, recessed seam (13) clamp mutually with the seam (12) of front panel edge epirelief, and the upper coating of bolt (6) fluid sealant makes the disposable sealing of axis hole between bolt (6) and cushion block hole (14), U-shaped diversion trench through hole (15), main frame threaded hole (16); The residing position of platform (7) is drawn lower than main frame (1) bottom cable in shell body lower openings position (8);
Lampshade (4) is supporting with the size in the reserved lampshade of shell hole, adopts epoxide-resin glue to carry out bonding to surface of contact.
2. the fixed nuclear radiation monitoring instrument of one according to claim 1 dustproof and waterproof structure, is characterized in that: shell front panel (3) and shell rear panel (2) are engineering plastics.
3. the fixed nuclear radiation monitoring instrument of one according to claim 1 dustproof and waterproof structure, is characterized in that: lampshade (4) is transparent organic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410063416.8A CN103809199A (en) | 2014-02-25 | 2014-02-25 | Dust prevention and water prevention structure of fixing type nuclear radiation monitoring instrument |
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| CN201410063416.8A CN103809199A (en) | 2014-02-25 | 2014-02-25 | Dust prevention and water prevention structure of fixing type nuclear radiation monitoring instrument |
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| CN103809199A true CN103809199A (en) | 2014-05-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104851A (en) * | 2014-07-23 | 2014-10-15 | 成都百威讯科技有限责任公司 | Protective shell |
| CN107643538A (en) * | 2017-10-18 | 2018-01-30 | 中国检验检疫科学研究院 | A kind of device for being used to verify scintillator detector performance |
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| CN202135277U (en) * | 2011-07-21 | 2012-02-01 | 浙江中烟工业有限责任公司 | Mounting bracket for wireless access point (AP) |
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| CN203197255U (en) * | 2013-01-18 | 2013-09-18 | 云南中机工业有限公司 | Spindle box of numerically controlled lathe with waterproof structure |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047593A (en) * | 1990-06-09 | 1990-12-05 | 温州市试验机厂 | Labyrinth sealing waterproof flywheel type permanent-magnet generator |
| JP2008180554A (en) * | 2007-01-23 | 2008-08-07 | Seiko Precision Inc | Dosimeter vessel |
| JP2010085260A (en) * | 2008-09-30 | 2010-04-15 | Fujifilm Corp | Radiation detecting device and radiography system |
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| CN202135277U (en) * | 2011-07-21 | 2012-02-01 | 浙江中烟工业有限责任公司 | Mounting bracket for wireless access point (AP) |
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| CN203197255U (en) * | 2013-01-18 | 2013-09-18 | 云南中机工业有限公司 | Spindle box of numerically controlled lathe with waterproof structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104851A (en) * | 2014-07-23 | 2014-10-15 | 成都百威讯科技有限责任公司 | Protective shell |
| CN107643538A (en) * | 2017-10-18 | 2018-01-30 | 中国检验检疫科学研究院 | A kind of device for being used to verify scintillator detector performance |
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Application publication date: 20140521 |