CN104658945A - Dust removing tool and dust removing method for cavity of IGBT module - Google Patents
Dust removing tool and dust removing method for cavity of IGBT module Download PDFInfo
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- CN104658945A CN104658945A CN201310587332.XA CN201310587332A CN104658945A CN 104658945 A CN104658945 A CN 104658945A CN 201310587332 A CN201310587332 A CN 201310587332A CN 104658945 A CN104658945 A CN 104658945A
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- igbt module
- cavity
- supporting bracket
- base
- hole
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Abstract
The invention discloses a dust removing tool for a cavity of an IGBT module. The dust removing tool comprises a base, a support plate and a limiting mechanism arranged on the support plate, wherein the IGBT module is arranged on the support plate in an inverted manner, a through hole is formed in the support plate, an air blowing pipe is arranged below the base, and a hole is formed in a position, corresponding to the through hole, of the base; a support rod is arranged between the base and the support plate, and the support rod is used for supporting the support plate to be arranged in the inclined manner. The IGBT module is arranged on the support plate in the inverted manner, an air flow can enter the cavity of the IGBT module through the through hole in the lower part to clean the inner part of the cavity of the IGBT module, the dust removing tool is convenient to operate, and the air blowing pipe is moved back and forth, so that each corner in the cavity of the module is cleaned; the support rod is arranged to support the support plate, the dust removing tool is convenient for staff to operate and observe the cleaning condition, the cleaning efficiency and the cleaning effect are improved, the problems of impact damage or man-made damage and the like to organization structures on the module and the surface of the support plate are solved, and the manufacturing cost and the encapsulating cost are effectively reduced.
Description
Technical field
The invention belongs to IGBT module manufacture and encapsulation technology field, be specifically related to a kind of IGBT module cavity dedusting frock and dust collection method
Background technology
IGBT(igbt), there is high-frequency, high voltage, big current, the performance characteristics that particularly easily turns on and off, it is the representational product of most of the power electronic technology third time revolution of generally acknowledging in the world, so far developed into for the 6th generation, commercialization developed into for the 5th generation.At present, IGBT has been widely used in the every profession and trade of national economy.
Need to carry out encapsulation process to it after IGBT module manufacture completes, encapsulation is carried out to module and on the one hand module is isolated from the outside, cause electric property to decline to prevent the impurity in air to the corrosion of chip circuit.On the other hand, the module after encapsulation is also more convenient for installing and transport.In the encapsulation process of IGBT module, the clean of inside modules is very important, and it is directly connected to the insulation partial discharge test result of IGBT module.
Chip due to IGBT module inside affects responsive especially to external world, so specially require the quality of the guarantee products such as suitable temperature, humidity, factory building cleanliness factor in the whole encapsulation process of IGBT module.And in art production process, likely because dust etc. affects product quality, so before module installs top cover, need to carry out cleaning to ensure interiors of products quality to inside modules cavity.
Traditional cavity cleaning mode mainly installation top cover before, hand-held nitrogen gun, another holds module, carries out aeration cleaning, this cleaning mode inconvenient operation, and waste time and energy, cleaning efficiency is lower; If the dynamics holding module is improper, very easily cause the damage of module housing, increase packaging cost; And carry out the clean of module cavity by holding module, what can not ensure to clean is all even comprehensive, and cleaning effect is poor.
Therefore, in view of above problem, be necessary to propose a kind of dedusting cleaning mode, to realize effectively cleaning module cavity, improve cleaning efficiency and cleaning quality, avoid occurring damaging the problems such as module housing, reduce packaging cost.
Summary of the invention
In view of this, the invention provides a kind of IGBT module cavity dedusting frock and dust collection method, by adopting dedusting frock, IGBT module is effectively fixed, easy to operate, to realize effectively cleaning module cavity, improve cleaning efficiency and cleaning quality, avoid occurring damaging the problems such as module housing, reduce packaging cost.
A kind of IGBT module cavity dedusting frock that object according to the present invention proposes, this frock comprises supporting bracket and is arranged in described supporting bracket for locating the position-limit mechanism of described IGBT module, described IGBT module is inverted in described supporting bracket by described position-limit mechanism, and described supporting bracket offers through hole with described IGBT module cavity corresponding position;
Described frock also comprises base, and described supporting bracket is hinged to be fixed on described base, is provided with gas blow pipe below described base, with described through hole corresponding position perforate on described base; Be provided with support bar between described base and described supporting bracket, described support bar is used for described supporting bracket to support to be obliquely installed; In described gas blow pipe, air-flow enters through described through hole and cleans IGBT module cavity.
Preferably, described position-limit mechanism is the alignment pin being arranged at described supporting bracket surrounding, and the end of described alignment pin is provided with the positive stop lug boss matched with location hole in described IGBT module.
Preferably, described support bar one end is hinged is fixed in described base or supporting bracket.
Preferably, described supporting bracket or base are provided with the draw-in groove of the fixing described support bar other end, described draw-in groove is at least 1.
Preferably, what described draw-in groove set gradually before and after being is multiple.
Preferably, described holes on base place is provided with grid, is convenient to gas uniform in gas blow pipe and enters in IGBT module cavity.
A kind of IGBT module dust collection method, the IGBT module cavity dedusting frock described in employing, concrete dust removal step is as follows:
(1), by IGBT module by alignment pin being inverted is fixed in described supporting bracket, carries out spacing in the location hole of described positive stop lug boss insertion IGBT module;
(2), according to the observation angle need support bar one end to snap in one of them draw-in groove, by supporting bracket tilt prop;
(3), in gas blow pipe lead to nitrogen, air-flow enters in the cavity of IGBT module through gas blow pipe and through hole, cleans the cavity of IGBT module, and gas blow pipe can move around, and realizes the even air inlet in cavity;
(4), cleaned after, IGBT module is taken off from alignment pin.
Compared with prior art, the advantage of IGBT module cavity dedusting frock disclosed by the invention and dust collection method is: by being inverted in supporting bracket by IGBT module, air-flow can enter through lower through-hole and carry out clean to the inside cavity of IGBT module, easy to operate, by removable inflatable pipe back and forth, each corner in module cavity is all realized effectively clean, and as required supporting bracket is carried out propping of multi-angle by arranging support bar, be convenient to the operation of employee and observation clean condition, improve cleaning efficiency and cleaning effect, and, by arranging alignment pin and module is carried out effective location by positive stop lug boss, avoid occurring that the problem such as collsion damage or artificial damage appears in institutional framework in module and supporting bracket surface, effectively reduce manufacturing and encapsulation cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of IGBT module cavity dedusting frock disclosed by the invention.
Fig. 2 is the structural representation of supporting bracket disclosed by the invention.
Fig. 3 is the structural representation of base disclosed by the invention.
The title of the numeral in figure or the corresponding component representated by letter:
1, base 2, supporting bracket 3, through hole 4, gas blow pipe 5, support bar 6, alignment pin 7,
Positive stop lug boss 8, draw-in groove 9, IGBT module 10, hinge 11, hole
Embodiment
Traditional IGBT module cavity cleaning mode is mainly manually clean, one hand-held nitrogen gun, another holds module, carry out aeration cleaning, this cleaning mode inconvenient operation, cleaning efficiency is lower, and very easily causes the damage of IGBT module housing, can not ensure that inside cavity cleans all even comprehensive, cleaning effect is poor.
The present invention is directed to deficiency of the prior art, provide a kind of IGBT module cavity dedusting frock and dust collection method, by adopting dedusting frock, effective location is carried out to module, to realize effectively cleaning module cavity, improve cleaning efficiency and cleaning quality, avoid occurring damaging the problems such as module housing, reduce the object of packaging cost.
To be clearly and completely described technical scheme of the present invention by embodiment below.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please also refer to Fig. 1 to Fig. 3, Fig. 1 is the structural representation of a kind of IGBT module cavity dedusting frock disclosed by the invention.Fig. 2 is the structural representation of supporting bracket disclosed by the invention.Fig. 3 is the structural representation of base disclosed by the invention.As shown in the figure, a kind of IGBT module cavity dedusting frock, this frock comprises supporting bracket 2 and is arranged at for locating the position-limit mechanism of IGBT module 9 in supporting bracket 2, and IGBT module is inverted in supporting bracket 2 by position-limit mechanism, by by block inversion, be convenient to effective removing of dust impurity in cavity.
Supporting bracket 2 offers through hole 3 with IGBT module cavity corresponding position, is provided with gas blow pipe 4 below supporting bracket 2, in gas blow pipe 4, air-flow enters through through hole 3 and cleans IGBT module inside cavity.
This frock also comprises base 1, and on base, one end is provided with hinge 10, and supporting bracket 2 is fixed on base 1 by hinge 10 is hinged, and gas blow pipe 4 is arranged at the below of base 1, and base 1 offers porose 11 with through hole 3 corresponding position; Be provided with support bar 5 between base 1 and supporting bracket 2, support bar 5 is for supporting supporting bracket 2 and being obliquely installed.Being obliquely installed by adopting support bar supporting bracket to be propped up, being convenient to employee's operation and observing clean situation.
Position-limit mechanism is the alignment pin 6 being arranged at supporting bracket 2 surrounding, and the end of alignment pin 6 is provided with the positive stop lug boss 7 matched with location hole in IGBT module.The diameter of positive stop lug boss 7 is less than the diameter of alignment pin, is convenient to IGBT module to block location.The length of alignment pin is greater than the thickness of IGBT module, produces damaged in collision between institutional framework when avoiding module to locate in module and supporting bracket.By arranging position-limit mechanism, module being fixed, without the need to holding with a hand time clean, avoiding occurring damaging the problems such as module housing, reducing costs.
Support bar 5 one end is hinged to be fixed in supporting bracket 2.Base 1 is provided with the draw-in groove 8 of fixed support bar 2 other end, draw-in groove 8 is at least 1.By one end of support bar 5 is sticked in draw-in groove 8, supporting bracket can be supported fixing.Draw-in groove can be before and after set gradually multiple, specifically can according to supporting bracket angle of inclination need support bar is snapped in different draw-in grooves.Wherein support bar also can hingedly be fixed on base, is arranged at by draw-in groove in supporting bracket, and concrete mode does not limit.
Base 1 tapping is provided with grid (not shown), is convenient to gas uniform in gas blow pipe and enters in IGBT module cavity.By grid, gas dispersion is even, and alleviate gas shock power, avoid gas blow pipe air blowing impulsive force comparatively large, damage components and parts.
A kind of IGBT module dust collection method, adopt IGBT module cavity dedusting frock, concrete dust removal step is as follows:
(1), by IGBT module 9 by alignment pin 6 being inverted is fixed in supporting bracket 2, carries out spacing in the location hole that positive stop lug boss 7 inserts IGBT module 9; Be fixed on dismountable for IGBT module in supporting bracket 2.
(2), according to the observation angle need support bar one end to snap in one of them draw-in groove, by supporting bracket tilt prop; Be convenient to employee's operation and observe.
(3), logical nitrogen in gas blow pipe, air-flow enters in the cavity of IGBT module then through gas blow pipe, through hole successively, carries out clean, by the gas blow pipe that moves around to cavity, realize the even air inlet in cavity, each corner in cavity is cleaned.
(4), cleaned after, IGBT module is taken off from alignment pin.
The invention discloses a kind of IGBT module cavity dedusting frock and dust collection method, by IGBT module is inverted in supporting bracket, air-flow can enter through lower through-hole and carry out clean to the inside cavity of IGBT module, operation more for convenience, by removable inflatable pipe back and forth, make air inlet uniformity in module cavity, in cavity, each corner all realizes effectively clean, and as required supporting bracket is carried out propping of multiple different angles by arranging support bar, be convenient to the operation of employee and observation clean condition, improve cleaning efficiency and cleaning effect, and, by arranging alignment pin and module is carried out effective location by positive stop lug boss, avoid occurring that the problem such as collsion damage or artificial damage appears in institutional framework in module and supporting bracket surface, effectively reduce manufacturing and encapsulation cost.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. an IGBT module cavity dedusting frock, it is characterized in that, this frock comprises supporting bracket and is arranged in described supporting bracket for locating the position-limit mechanism of described IGBT module, described IGBT module is inverted in described supporting bracket by described position-limit mechanism, and described supporting bracket offers through hole with described IGBT module cavity corresponding position;
Described frock also comprises base, and described supporting bracket is hinged to be fixed on described base, is provided with gas blow pipe below described base, with described through hole corresponding position perforate on described base; Be provided with support bar between described base and described supporting bracket, described support bar is used for described supporting bracket to support to be obliquely installed; In described gas blow pipe, air-flow enters through described through hole and cleans IGBT module cavity.
2. IGBT module cavity dedusting frock as claimed in claim 1, it is characterized in that, described position-limit mechanism is the alignment pin being arranged at described supporting bracket surrounding, and the end of described alignment pin is provided with the positive stop lug boss matched with location hole in described IGBT module.
3. IGBT module cavity dedusting frock as claimed in claim 1, it is characterized in that, described support bar one end is hinged to be fixed in described base or supporting bracket.
4. IGBT module cavity dedusting frock as claimed in claim 3, is characterized in that, described supporting bracket or base are provided with the draw-in groove of the fixing described support bar other end, described draw-in groove is at least 1.
5. IGBT module cavity dedusting frock as claimed in claim 4, is characterized in that, it is multiple that described draw-in groove sets gradually before and after being.
6. IGBT module cavity dedusting frock as claimed in claim 1, it is characterized in that, described holes on base place is provided with grid, is convenient to gas uniform in gas blow pipe and enters in IGBT module cavity.
7. an IGBT module dust collection method, is characterized in that, adopt the IGBT module cavity dedusting frock described in any one of claim 1-6, concrete dust removal step is as follows:
(1), by IGBT module by alignment pin being inverted is fixed in described supporting bracket, carries out spacing in the location hole of described positive stop lug boss insertion IGBT module;
(2), according to the observation angle need support bar one end to snap in one of them draw-in groove, by supporting bracket tilt prop;
(3), in gas blow pipe lead to nitrogen, air-flow enters in the cavity of IGBT module through gas blow pipe and through hole, cleans the cavity of IGBT module, and gas blow pipe can move around, and realizes the even air inlet in cavity;
(4), cleaned after, IGBT module is taken off from alignment pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310587332.XA CN104658945A (en) | 2013-11-19 | 2013-11-19 | Dust removing tool and dust removing method for cavity of IGBT module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310587332.XA CN104658945A (en) | 2013-11-19 | 2013-11-19 | Dust removing tool and dust removing method for cavity of IGBT module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104658945A true CN104658945A (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310587332.XA Pending CN104658945A (en) | 2013-11-19 | 2013-11-19 | Dust removing tool and dust removing method for cavity of IGBT module |
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| CN (1) | CN104658945A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090062076A (en) * | 2007-12-12 | 2009-06-17 | 서울전력(주) | Cleaning device for solar cell panel |
| CN201586845U (en) * | 2009-09-29 | 2010-09-22 | 天津力神电池股份有限公司 | Dust collecting box for tab welding of lithium ion battery |
| CN201833029U (en) * | 2010-09-16 | 2011-05-18 | 深南电路有限公司 | Dedusting tooling in hole of printed circuit boards (PCB) |
| CN103272821A (en) * | 2013-06-06 | 2013-09-04 | 天津力神电池股份有限公司 | Surface dedusting tool for electrode materials |
-
2013
- 2013-11-19 CN CN201310587332.XA patent/CN104658945A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090062076A (en) * | 2007-12-12 | 2009-06-17 | 서울전력(주) | Cleaning device for solar cell panel |
| CN201586845U (en) * | 2009-09-29 | 2010-09-22 | 天津力神电池股份有限公司 | Dust collecting box for tab welding of lithium ion battery |
| CN201833029U (en) * | 2010-09-16 | 2011-05-18 | 深南电路有限公司 | Dedusting tooling in hole of printed circuit boards (PCB) |
| CN103272821A (en) * | 2013-06-06 | 2013-09-04 | 天津力神电池股份有限公司 | Surface dedusting tool for electrode materials |
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Application publication date: 20150527 |
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