CN103296495A - Sealed power source feed-through terminal plate component - Google Patents

Sealed power source feed-through terminal plate component Download PDF

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Publication number
CN103296495A
CN103296495A CN2012100446155A CN201210044615A CN103296495A CN 103296495 A CN103296495 A CN 103296495A CN 2012100446155 A CN2012100446155 A CN 2012100446155A CN 201210044615 A CN201210044615 A CN 201210044615A CN 103296495 A CN103296495 A CN 103296495A
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CN
China
Prior art keywords
plate
seal
hole
insulating base
plug
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Pending
Application number
CN2012100446155A
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Chinese (zh)
Inventor
迪特尔·佩特雷克
艾伯塔斯·扬·亨德里克·科尔克曼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Emerson Electric Co
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Emerson Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Emerson Electric Co filed Critical Emerson Electric Co
Priority to CN2012100446155A priority Critical patent/CN103296495A/en
Publication of CN103296495A publication Critical patent/CN103296495A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a sealed power source feed-through terminal plate component which comprises a plate, a plurality of conductive plugs, first sealing pieces and an insulating stool. A plurality of first holes can extend and penetrate through the plate, a plug extends and penetrates through one hole, and the first sealed pieces can be arranged in all first holes and can extend between the outer surfaces of the plugs and the corresponding inner wall in the limited first hole. The first sealing pieces can comprise a glass-metal seal enabling the plugs and the plate to be in electric insulation. A plurality of second holes can extend and penetrate through the insulation stool. The insulation stool can be defined as an adjacent plate, so that the second holes in the insulation stool is flush with a corresponding first hole in the plate and the plugs are made to extend and penetrate through the first holes and the second holes.

Description

The power supply feedthrough terminal table unit of sealing
Technical field
The disclosure relates to power supply feedthrough terminal table unit and the improvement thereof of sealing.
Background technology
It may not be the background information of prior art that this section provides relevant with the disclosure.
The power supply feedthrough terminal table unit of sealing generally comprises plate, attaching plug and control plug.Attaching plug and control plug are installed in the hole in the plate.Attaching plug is used for to the device power supply of for example compressor, and the control plug is used for controlling the power supply by attaching plug.Plate, attaching plug and control plug can be metals.Therefore, insulator usefulness can be set so that plate and plug insulation in the hole between plug and plate.In addition, airtight seal can be set so that air-locked electric feedthrough to be provided between plug and plate.
Can use epoxy resin that insulator and airtight seal are attached to plate.Yet if plate is exposed to water (for example, immersing in the water), epoxy resin may absorb water so, thereby reduces the insulating resistance value of device significantly.Because to the test of the insulation resistance of terminal table unit with test, this may increase manufacturing time and cost again.For example, can when apparatus for assembling, carry out megger test, and if insulation resistance too low, then can with the device unload from assembly line, dried several hours, be reloaded on the assembly line and again and test.
Summary of the invention
This section provides summary of the present disclosure, is not the open comprehensively of its four corner or all features.
Power supply feedthrough terminal table unit according to the sealing of principle of the present disclosure can comprise plate, a plurality of conductive plug, first seal and insulating base.Described plate can comprise that first sidepiece that passes the plate slave plate extends to a plurality of first holes of second side of plate.Extend through a plug in described a plurality of first hole each.First seal can be arranged in described a plurality of first hole each and can be in the outer surface of plug and restriction first hole corresponding one inwall between extend.First seal can comprise the sealed glass-metal sealing that makes plug and plate electric insulation.Insulating base can comprise and passes insulating base extends to second side of insulating base from first side of insulating base a plurality of second holes.Second side of insulating base can be positioned to first side of adjoining plate, makes that the corresponding plug that extends through first hole that aligns and make also extends through second hole in first hole in second hole and the plate in the insulating base.
In first aspect, terminal table unit can also comprise second seal, and this second seal is arranged between second side of first side of plate and insulating base and each the part of outer surface in the plug.Second seal can comprise packing ring, the absorption of this packing ring opposing moisture and be compressed in plate and insulating base between.
In another aspect, first hole of each in the plate can both have relative countersunk.Each countersunk can be positioned at second side of plate.Each first seal can be arranged in described a plurality of first hole each with the countersunk relevant with this first hole in each in.
From then in the explanation that the place provides, other suitable application area will become apparent.Explanation in the summary of the invention and specific example only are intended to illustrative purposes for example, are not intended to limit the scope of the present disclosure.
Description of drawings
The accompanying drawing that this place is described is only in order to illustrate selected embodiment but not the purpose of all possible execution mode, and is not intended to limit the scope of the present disclosure.
What Fig. 1 was diagram according to first side of the terminal table unit of principle of the present disclosure or top side waits axle survey view;
Fig. 2 be second side of first alternative embodiments of terminal table unit of pictorial image 1 or bottom side etc. axle survey view;
Fig. 3 is the exploded perspective view of second side of first alternative embodiments of the terminal table unit of pictorial image 1;
Fig. 4 is the vertical view of the terminal table unit of Fig. 1;
Fig. 5 is the viewgraph of cross-section along the terminal table unit of Fig. 1 of line A-A intercepting shown in Figure 4;
Fig. 6 is the zoomed-in view of the details B of Fig. 4;
Fig. 7 is the viewgraph of cross-section along the terminal table unit of Fig. 1 of line C-C intercepting shown in Figure 4;
Fig. 8 is the viewgraph of cross-section along first alternative embodiments of the terminal table unit of Fig. 1 of line C-C intercepting shown in Figure 4;
Fig. 9 is the parts of first alternative embodiments of terminal table unit of Fig. 1 and the exploded perspective view that is used for the fixture of these parts of assembling;
Figure 10 is the exploded cross-sectional view of the fixture of the parts of Fig. 9 and Fig. 9;
Figure 11 is the viewgraph of cross-section along second alternative embodiments of the terminal table unit of Fig. 1 of line A-A intercepting shown in Figure 4;
Figure 12 is that this terminal table unit comprises the dish of a side that is positioned at seal along the viewgraph of cross-section of second alternative embodiments of the terminal table unit of Fig. 1 of line C-C intercepting shown in Figure 4; And
Figure 13 is that this terminal table unit comprises the dish of the both sides that are positioned at seal along the viewgraph of cross-section of second alternative embodiments of the terminal board of Fig. 1 of line C-C intercepting shown in Figure 4.
Run through the several views in the figure, corresponding Reference numeral is indicated corresponding part.
Embodiment
Referring now to accompanying drawing illustrative embodiments is described more all sidedly.
Referring to figs. 1 to 8, terminal table unit 10 comprises plate 12, seat 14, attaching plug 16 and control plug 18.Plate 12 can be metal, and seat 14 can be phenolic resins, and attaching plug 16 can be metal and/or threaded.Fin 20 is attached to the end of control plug 18.Control plug 18 extends through the hole in the plate 12, and seal 22 is arranged in the hole between control plug 18 and the plate 12.
Although being depicted as, terminal table unit 10 comprises six attaching plugs, terminal table unit 10 can comprise more (for example, nine) or attaching plug still less.In addition, the various aspects of terminal table unit 10 can be combined in different terminal board layouts and/or the different bolt structure.
The hole of seat in 14 that attaching plug 16 extends through the hole in the plate 12 and aligns with the hole in the plate 12.Be arranged in the hole of seal 24 in plate 12 between attaching plug 16 and the plate 12 (Fig. 7). Seal 22,24 can plug 16,18 and plate 12 between the sealing of sealing is provided.For example, seal 22,24 can be glass, and can seal 22,24 and plate 12 between and seal 22,24 and plug 16,18 between form glass to metal seal.
Insulator 26 arranges (Fig. 7) in second side or the bottom side of terminal table unit 10 around attaching plug 16.Second side of terminal table unit 10 is configured to the inside handing-over with the sealing of installing (for example, compressor).Insulator 26 is configured to make plate 12 and securing member (for example, packing ring 42 (Fig. 3) and/or nut 44 (Fig. 3)) insulation that is attached to attaching plug 16 in second side of terminal table unit 10.For example using, the adhesive 28 of epoxy resin is attached to plate 12 and seal 24 with insulator 26.
Packing ring 30 arranging around attaching plug 16 at the interface between plate 12, seat 14, attaching plug 16 and seal 24.Packing ring 30 can make plate 12 and attaching plug 16 insulation.Packing ring 30 can be made by the waterproof material (material that does not for example absorb water) of for example elastomer (for example, rubber).For example the securing member of packing ring 32 and nut 34 can arrange the end near attaching plug 16 in first side of terminal table unit 10 or top side.First side of terminal table unit 10 is configured to be positioned at outside the device.Seat 14 can be configured to make plate 12 and packing ring 32 and nut 34 insulation.
When assembling, packing ring 30 can be assembled on the attaching plug 16 between plate 12 and seat 14, and nut 34 can be fastened on the attaching plug 16 then.When nut 34 is fastened, can force packing ring 30 to enter cavity between plate 12 and the seat 14, form flange 36.Flange 36 can be complied with the shape of adjacent parts, thus any gap between sealing gasket 30 and the adjacent parts.
Packing ring 30 can be used to replace the epoxy resin of the suction at the interface between plate 12 and the seat 14.As discussed above, packing ring 30 can be made by waterproof material.Therefore, compare with epoxy resin, when terminal table unit 10 was exposed to water, packing ring 30 did not absorb water.Therefore, terminal table unit 10 is exposed to water will influence the insulation resistance of terminal table unit 10, perhaps only have few influence.Thus, can reduce manufacturing time and cost and improve the insulation resistance of terminal table unit 10.In addition, use packing ring 30 to replace epoxy resin to eliminate the related production stage in batches of curing of epoxy resin.
In addition, use packing ring 30 to replace epoxy resin to make it possible to follow the trail of material with non-carbon and replace epoxy resin.When near epoxy resin, spark occurring, because the high local temperature (for example near 6000 degrees centigrade) of spark and the chemical composition of epoxy resin make epoxy resin resolve into the carbon of conduction.On the contrary, when spark occurring near non-carbon is followed the trail of material, non-carbon is followed the trail of the carbon that material does not resolve into conduction.The example that non-carbon is followed the trail of material comprises glass, pottery, silicon rubber and carbon-free other insulating material.
With reference to Fig. 2,3 and 8, first alternative embodiments of terminal table unit 10 will be discussed now especially.In first alternative embodiments of terminal table unit 10, seal 38 is replaced seal 24, insulator 26 and adhesive 28.Seal 38 can be glass, and can seal 22,24 and plate 12 between and seal 22,24 and plug 16,18 between form glass to metal seal.Seal 38 can comprise flange 40, and the hole in the plate 12 can comprise the countersunk that holds flange 40.
With reference to Fig. 9 and 10, can be by prefabricated seal 38 before forming glass to metal seal and by using the fixture that promotes the glass to metal seal on shown direction to realize the design of seal 38.Can use fixture 50 that attaching plug 16 and seal 38 are assembled to plate 12, and can use fixture 52a, 52b and 54 will control plug 18 to be assembled to plate 12.Fixture 56 can be used to device for positioning and securing 50,52a, 52b and 54.Fixture 50,52a, 52b, 54 and 56 can be graphite.
The two-piece design of fixture 52a, 52b make it possible to will control plug 18 be fixed in plate 12 before with fin 20 attached (for example, welding) in control plug 18.Can reduce manufacturing time and cost like this.For example, if will control plug 18 be anchored on plate 12 after with fin 20 be welded in control plug 18, then be difficult to use the rigid electrode structure of bonding machine to come disposable plates 12.On the contrary, if will control plug 18 be anchored on plate 12 before with fin 20 be welded in control plug 18, compare with disposable plates 12 so, processing controls plug 18 is obviously easier.
Glass to metal seal be formed on plug 16,18 and plate 12 between before, electrolytic ni plating can be applicable to attaching plug 16, control plug 18 and/or plate 12.During glass to metal seal, the direct contact between (glass) seal 22,38 and (graphite) fixture 50,52a, the 52b, 54 and 56 eliminated in fixture 50,52a, 52b, 54 and 56 design.Correspondingly, after glass to metal seal, for example not needing to use, the chemical process of electrolytic ni plating cleans (glass) seal 22,38.
With reference to Figure 11-13, second alternative embodiments of terminal table unit 10 will be discussed now especially.In second alternative embodiments of terminal table unit 10, dish 58 can be positioned on the bottom side (Figure 11) of the seal 22 in the hole that is arranged between control plug 18 and the plate 12.In addition, can and coil 58 similar or identical dishes in the setting of the top side of seal 22.In addition, the bottom side that dish 60 can be arranged on seal 38, seal 38 is arranged between attaching plug 16 and plate 12 in the hole in the plate 12 (Figure 12), and coils 62 top sides (Figure 13) that can be arranged on seal 38.Dish 58 and dish 60,62 can be pottery and can have and equal approx respectively and/or less than the thermal coefficient of expansion of the thermal coefficient of expansion of seal 22 and seal 38.
Discuss with reference to Fig. 9 and 10 as mentioned, but when utilizing glass to metal seal that plug 16,18 is fused to plate 12, graphite fixture can be used to (glass) seal 22,38 is assembled to (metal) plate 12.But graphite fixture supporting sealing member 22,38 bottom side and with in plug 16, (for example, centering) their corresponding holes in plate 12,18 location.In addition, for specific application, graphite fixture can be placed on seal 22,38 the top side to optimize the glass flow during the glass to metal seal.Although the fixture shown in Fig. 9 and 10 eliminated seal 22,38 and fixture between direct contact, other fixture design may cause seal 22 during the glass to metal seal, 38 with fixture between contact.Therefore, fixture can be formed by graphite, because during glass to metal seal, graphite does not adhere to glass.
Because be used for realizing the interior environmental condition (for example, high temperature) of stove of glass to metal seal, graphite fixture stands considerable wear and deterioration in relatively short life cycle.Therefore, the replacement cost of the fixture that forms with other material by for example metal is compared, and the replacement cost of graphite fixture is higher relatively.In addition, when the glass contact graphite fixture of fusing, can adhere to glass from the carbon of graphite.The carbon of conduction can reduce the insulation resistance of glass capsulation.Therefore, may need the soak cleaning process of carbon from removing on glass after the glass to metal seal.
With dish 58,60,62 be placed on prevented on seal 22,38 top side and/or the bottom side seal 22,38 with the fixture of in the glass to metal seal process, using between contact.Therefore, the fixture that can in the glass to metal seal process, use the material by except graphite of metal fixture for example to form.Because metal fixture is more durable than graphite fixture, so reduced the replacement cost of fixture.And, use dish 58,60,62 and/or non-graphite fixture avoided in the glass to metal seal process carbon from graphite fixture to adhere to seal 22,38 problem.Therefore, need be in order to the chemically cleaning process of carbon from removing on glass after glass to metal seal.Therefore, before glass to metal seal, can electroplate plate 12, to simplify the process of making terminal table unit 10.
In addition, because glass to metal seal, (pottery) dish 58,60,62 adheres to and/or embeds in (glass) seal 22,38 and becomes the part of terminal table unit 10.Therefore and since the pottery electrical insulation characteristics, the dish 58,60,62 can plug 16,18 with plate 12 between provide the brute force dielectric-barrier.And (pottery) dish 58,60,62 can provide the surface of mechanically robust and prevent thus otherwise the glass fragmentation faced that may occur under the situation that (glass) seal 22,38 exposes.
And in the glass to metal seal process, (pottery) dish 58,60,62 does not melt.Therefore, can be in the glass to metal seal process use dish 58,60,62 plug 16,18 is centered in their corresponding holes in the plate 12, this helps glass flow consistent in the glass to metal seal process.And, owing to do not melt in glass to metal seal process mid-game 58,60,62, so overflow in the hole in the glass slave plate 12 that glass to metal seal process mid-game 58,60,62 can be used to prevent from melting.
The above stated specification of execution mode is provided for example and purpose of description.It is not intended to is exhaustive or the restriction disclosure.Each element of specific implementations or feature generally are not limited to this specific execution mode, but can exchange in appropriate circumstances and can be used to selected execution mode, also are like this even if do not illustrate especially or describe.Also can carry out modification to it in every way.This modification should not be considered and depart from the disclosure, and all this modifications are intended to be included in the scope of the present disclosure.

Claims (20)

1. the power supply feedthrough terminal table unit of a sealing comprises:
Plate, described plate comprise and pass described plate extends to second side of described plate from first side of described plate a plurality of first holes;
A plurality of conductive plugs extend through a plug in each in described a plurality of first holes;
First seal, described first seal is arranged in described a plurality of first hole each, described first seal is at the outer surface of described plug and limit between the inwall corresponding in described first hole and extend, and described first seal comprises that the sealed glass-metal that makes described plug and described plate electric insulation seals;
Insulating base, described insulating base comprises and passes described insulating base extends to second side of described insulating base from first side of described insulating base a plurality of second holes, second side of described insulating base is positioned to first side of contiguous described plate, makes that the corresponding described plug that extends through described first hole that aligns and make also extends through described second hole in described first hole in described second hole and the described plate in the described insulating base; And
Second seal, described second seal is arranged between second side of first side of described plate and described insulating base and each the part of outer surface in the described plug, described second seal comprises packing ring, the absorption of described packing ring opposing moisture and be compressed in described plate and described insulating base between.
2. terminal table unit according to claim 1, wherein, described packing ring is polymer.
3. terminal table unit according to claim 2, wherein, described packing ring is elastomeric.
4. terminal table unit according to claim 3, wherein, described packing ring is rubber.
5. terminal table unit according to claim 1, wherein, each described first hole has relative countersunk, each described countersunk is positioned at second side of described plate, each described first seal be arranged in a plurality of described first holes each with the described countersunk relevant with this first hole in each in.
6. terminal table unit according to claim 5, wherein, described sealed glass-metal sealing comprises the glass insert.
7. terminal table unit according to claim 6, wherein, described glass insert comprises that in flange and the described countersunk each holds a described flange.
8. terminal table unit according to claim 1, wherein, described packing ring comprises the flange between second side of first side that is arranged on described plate and described insulating base.
9. terminal table unit according to claim 8, first side that also is included in described insulating base is attached to the securing member of described plug, and described securing member forces described packing ring to enter in the cavity between described plate and the described insulating base and forms described flange thus.
10. the power supply feedthrough terminal table unit of a sealing comprises:
Plate, described plate comprise that passing described plate extends to a plurality of first holes of second side of described plate from first side of described plate, and each described first hole has relative countersunk, and each described countersunk is positioned at second side of described plate;
A plurality of conductive plugs extend through a plug in each in described a plurality of first holes;
First seal, described first seal be arranged in described a plurality of first hole each with the described countersunk relevant with this first hole in each in, described first seal the outer surface of described plug with limit described first hole in extend between the inwall of corresponding and the described countersunk relevant with this first hole, described first seal comprises that the sealed glass-metal that makes described plug and described plate electric insulation seals;
Insulating base, described insulating base comprises and passes described insulating base extends to second side of described insulating base from first side of described insulating base a plurality of second holes, second side of described insulating base is positioned to first side of contiguous described plate, makes that the corresponding described plug that extends through described first hole that aligns and make also extends through described second hole in described first hole in described second hole and the described plate in the described insulating base.
11. terminal table unit according to claim 10, wherein, described sealed glass-metal sealing comprises the glass insert.
12. terminal table unit according to claim 11, wherein, described glass insert comprises that in flange and the described countersunk each holds a described flange.
13. terminal table unit according to claim 12, wherein, described first seal configurations becomes to make described plate and second side at described plate to be attached to one securing member insulation in the described plug.
14. terminal table unit according to claim 13, wherein, described first seal is exposed to second side of described plate.
15. terminal table unit according to claim 14, also comprise second seal, described second seal is arranged between second side of first side of described plate and described insulating base and each the part of outer surface in the described plug, described second seal comprises packing ring, the absorption of described packing ring opposing moisture and be compressed in described plate and described insulating base between.
16. terminal table unit according to claim 15, wherein, described packing ring is elastomeric.
17. terminal table unit according to claim 16, wherein, described packing ring is rubber.
18. the power supply feedthrough terminal table unit of a sealing comprises:
Plate, described plate comprise that passing described plate extends to a plurality of first holes of second side of described plate from first side of described plate, and each described first hole has relative countersunk, and each described countersunk is positioned at second side of described plate;
A plurality of conductive plugs extend through a plug in each in described a plurality of first holes;
First seal, described first seal be arranged in described a plurality of first hole each with the described countersunk relevant with this first hole in each in, described first seal the outer surface of described plug with limit described first hole in extend between the inwall of corresponding and the described countersunk relevant with this first hole, described first seal comprises that the sealed glass-metal that makes described plug and described plate electric insulation seals;
Insulating base, described insulating base comprises and passes described insulating base extends to second side of described insulating base from first side of described insulating base a plurality of second holes, second side of described insulating base is positioned to first side of contiguous described plate, makes that the corresponding described plug that extends through described first hole that aligns and make also extends through described second hole in described first hole in described second hole and the described plate in the described insulating base; And
Second seal, described second seal is arranged between second side of first side of described plate and described insulating base and each the part of outer surface in the described plug, described second seal comprises packing ring, the absorption of described packing ring opposing moisture and be compressed in described plate and described insulating base between.
19. terminal table unit according to claim 18, also comprise first dish, be arranged between described first seal and described second seal in described first dish each in described a plurality of first holes, described first dish extends with limiting between the inwall corresponding in described first hole at the outer surface of described plug, and described first coils and comprise the ceramic material that makes described plug and described plate electric insulation.
20. terminal table unit according to claim 19, also comprise each second dish of being arranged in the described plug, described first dish is arranged on first side of described first seal, and described second dish is arranged on second side opposite with first side of described first seal, and described second coils at least a portion of second side that covers described first seal and comprise ceramic material.
CN2012100446155A 2012-02-23 2012-02-23 Sealed power source feed-through terminal plate component Pending CN103296495A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105375129A (en) * 2014-08-27 2016-03-02 珠海格力节能环保制冷技术研究中心有限公司 Glass-sealed terminal
CN107852066A (en) * 2015-07-17 2018-03-27 Zf腓特烈斯哈芬股份公司 For electric equipment, particularly be used for drive motor vehicles motor power interface

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0963670A (en) * 1995-08-29 1997-03-07 Herutsu Kk Airtight terminal
CN2443473Y (en) * 2000-08-23 2001-08-15 宋仁祥 Capacitor shell cover for ac motor
US20040115521A1 (en) * 2002-09-11 2004-06-17 Samsung Sdi Co., Ltd. Secondary battery including improved cap assembly and plug for the secondary battery
US20060133213A1 (en) * 2004-12-17 2006-06-22 Eta Sa Manufacture Horlogere Suisse Watch including a pressure sensor
CN2914267Y (en) * 2003-08-04 2007-06-20 爱默生电气公司 Sealing terminal assembly
CN201845943U (en) * 2007-12-28 2011-05-25 艾默生电气公司 Airtight feed through element with combined sealing structure
CN202678428U (en) * 2012-02-23 2013-01-16 艾默生电气公司 Power supply feed through terminal block sealed module

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0963670A (en) * 1995-08-29 1997-03-07 Herutsu Kk Airtight terminal
CN2443473Y (en) * 2000-08-23 2001-08-15 宋仁祥 Capacitor shell cover for ac motor
US20040115521A1 (en) * 2002-09-11 2004-06-17 Samsung Sdi Co., Ltd. Secondary battery including improved cap assembly and plug for the secondary battery
CN2914267Y (en) * 2003-08-04 2007-06-20 爱默生电气公司 Sealing terminal assembly
US20060133213A1 (en) * 2004-12-17 2006-06-22 Eta Sa Manufacture Horlogere Suisse Watch including a pressure sensor
CN201845943U (en) * 2007-12-28 2011-05-25 艾默生电气公司 Airtight feed through element with combined sealing structure
CN202678428U (en) * 2012-02-23 2013-01-16 艾默生电气公司 Power supply feed through terminal block sealed module

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105375129A (en) * 2014-08-27 2016-03-02 珠海格力节能环保制冷技术研究中心有限公司 Glass-sealed terminal
CN105375129B (en) * 2014-08-27 2018-09-07 珠海格力节能环保制冷技术研究中心有限公司 A kind of glass sealing-in terminal
CN107852066A (en) * 2015-07-17 2018-03-27 Zf腓特烈斯哈芬股份公司 For electric equipment, particularly be used for drive motor vehicles motor power interface

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Application publication date: 20130911