CN102339685B - Direct-current contactor - Google Patents
Direct-current contactor Download PDFInfo
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- CN102339685B CN102339685B CN 201010234827 CN201010234827A CN102339685B CN 102339685 B CN102339685 B CN 102339685B CN 201010234827 CN201010234827 CN 201010234827 CN 201010234827 A CN201010234827 A CN 201010234827A CN 102339685 B CN102339685 B CN 102339685B
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- contact point
- coil
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- quiet contact
- plastic casing
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Abstract
The invention discloses a direct-current contactor, which comprises a movable contact, a stationary contact, a stationary magnetic pole, a movable iron core and a coil, which are arranged inside a sealed metal shell, wherein a plastic shell is arranged outside the sealed metal shell, an external wiring post which is connected with the stationary contact is fixed and positioned on the plastic shell, and a leading-out wire of the coil and a gap between the stationary contact and the sealed metal shell are sealed and fixed through sealing ceramics. Through the structural improvement of the stationary contact and the external wiring post, the direct-current contactor is applicable to the ceramic sealing structure, and the reliable sealability and good adaptability to the ambient temperature can be provided; and the external wiring post is led to the outer side of the plastic shell through a transitional conductive sheet, so the cable can be conveniently connected by the user.
Description
Technical field
The present invention relates to a kind ofly can automatically control interrupted electronic component, especially a kind of D.C. contactor.
Background technology
At present, on market, existing D.C. contactor mainly contains two kinds of structures, and a kind of is the structure of open type, and another kind is to adopt plastics to be sealed:
The contact of unenclosed construction is exposed in air, occasion that can only be lower for voltage, and general work voltage is no more than 100VDC;
Plastic seal has realized the contact of contactor is sealed in to the purpose in protective atmosphere basically, and still, due to the performance impact of plastics itself, the reliability of the sealing between plastics and metal is lower, and can not bear high temperature and thermal shock; Secondly, user's stube cable of the contactor of conventional plastic sealing, need bending to adapt to higher installation double-screw bolt.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of D.C. contactor, reliable sealing and good thermal adaptability are provided.
The present invention for the technical scheme that solves its technical problem and adopt is:
A kind of D.C. contactor, comprise the moving contact point of being located in the sealing metal shell, quiet contact point, the magnetostatic utmost point, moving iron core and coil, the sealing metal shell is provided with plastic casing outward, connect the external cabling post stationary positioned of the quiet contact point of conducting on plastic casing, seal fixing between the lead-out wire of coil, quiet contact point and sealing metal shell by sealed ceramic.
As a further improvement on the present invention, sealing fixing structure by sealed ceramic between the lead-out wires of coil of described coil, quiet contact point and sealing metal shell is: be welded with the metal clamping ring of a circle near the sealed ceramic outer rim above described sealed ceramic, the fixing welding of this metal clamping ring and sealing metal outer casing underpart opening part; The position perforate of the corresponding lead-out wires of coil of described sealed ceramic and quiet contact point: be welded with the supporting spacer shell of interior space and lead-out wires of coil profile in the hole of corresponding lead-out wires of coil, lead-out wires of coil fixedly is set in described spacer shell; Be welded with the transition swivel nut in the hole of corresponding quiet contact point, quiet contact point be the hollow cylinder of bottom surface opening and in it space and transition swivel nut profile supporting, this quiet contact point fixed cover is located at described transition swivel nut top.
As a further improvement on the present invention, described sealed ceramic is the sheet type circular configuration; The cross section of described spacer shell, transition swivel nut, lead-out wires of coil and quiet contact point is all circle, and sealed ceramic adopts the sheet type circular configuration, and the metal parts of answering in contrast is circular cross-section, easily processing.
As a further improvement on the present invention, described sealed ceramic is high temperature ceramic material; Described transition swivel nut and spacer shell are refractory metal material, adopt ceramic metalizing process that pottery and metal parts are at high temperature welded together with the method for soldering, therefore the material of all participations sealing is all used the resistant to elevated temperatures material of energy.
As a further improvement on the present invention, described external cabling post stationary positioned is in the outside of plastic casing.
As a further improvement on the present invention, the structure that described external cabling post connects the quiet contact point of conducting is: described transition swivel nut bottom surface and plastic casing bottom surface maintain an equal level, this transition swivel nut is bolted with inner hold-down screw from bottom, press between the bottom surface of the nut of this inside hold-down screw and transition swivel nut and be fixed with the transition conducting strip, this transition conducting strip is close to plastic casing bottom surface and its outer rim and is positioned at the plastic casing outside, and the external cabling post fixedly is set in described transition conducting strip and is positioned on the position outside plastic casing.
As a further improvement on the present invention, the structure that described external cabling post fixedly is set on the position that described transition conducting strip is positioned at the plastic casing outside is: this external cabling post is the screw of being furnished with nut, this screw wears from bottom to top into described transition conducting strip, nut is spirally connected in top and the screw of transition conducting strip, and user's stube cable presses and is connected between nut and transition conducting strip by screwing of screw and nut.
As a further improvement on the present invention, be provided with a plastic bottom board that is connected sealed ceramic, this plastic bottom board is positioned at transition conducting strip bottom.
The invention has the beneficial effects as follows: utilize the architecture advances of quiet contact point and external cabling post, make D.C. contactor suitable ceramic hermetically-sealed construction, the adaptability of reliable sealing and good ambient temperature is provided; Secondly, utilize the transition conducting strip that the external cabling post is caused to the plastic casing outside, facilitate user's stube cable.
The accompanying drawing explanation
Fig. 1 is cutaway view of the present invention;
The sealing-in schematic diagram that Fig. 2 is sealed ceramic position in Fig. 1;
The contactor typical structure cutaway view that Fig. 3 is the employing plastic seal that contrasts of the present invention;
Fig. 4 is user's stube cable mode schematic diagram of the present invention;
User's stube cable mode schematic diagram of the contactor that Fig. 5 is the employing plastic seal that contrasts of the present invention;
Part drawing reference numeral of the present invention:
70---sealed plastic; 80---installing hole;
90---user's stube cable.
Embodiment
Embodiment: a kind of D.C. contactor, comprise moving contact point 1, quiet contact point 2, the magnetostatic utmost point 3, moving iron core 4 and the coil 5 be located in sealing metal shell 10, the outer plastic casing 20 that is provided with of sealing metal shell 10, connect external cabling post 6 stationary positioned of the quiet contact point 2 of conducting on plastic casing 20, fixing by sealed ceramic 7 sealings between the lead-out wire 50 of coil 5, quiet contact point 2 and sealing metal shell.
Between the lead-out wires of coil 50 of described coil 5, quiet contact point 2 and sealing metal shell, by the fixing structure of sealed ceramic 7 sealing, be: be welded with the metal clamping ring 11 of a circle near sealed ceramic 7 outer rims above described sealed ceramic 7, this metal clamping ring 11 and the fixing welding in sealing metal shell 10 lower openings places; The position perforate of the corresponding lead-out wires of coil 50 of described sealed ceramic 7 and quiet contact point 2: be welded with the supporting spacer shell of interior space and lead-out wires of coil 50 profiles in the hole of corresponding lead-out wires of coil 50, lead-out wires of coil 50 fixedly is set in described spacer shell; Be welded with transition swivel nut 8 in the hole of corresponding quiet contact point 2, quiet contact point 2 be the hollow cylinder of bottom surface opening and in it space and transition swivel nut 8 profiles supporting, these quiet contact point 2 fixed covers are located at described transition swivel nut 8 tops.
Described sealed ceramic 7 is the sheet type circular configuration; The cross section of described spacer shell, transition swivel nut 8, lead-out wires of coil 50 and quiet contact point 2 is all circle, and sealed ceramic adopts the sheet type circular configuration, and the metal parts of answering in contrast is circular cross-section, easily processing.
Described sealed ceramic 7 is high temperature ceramic material; Described transition swivel nut 8 and spacer shell are refractory metal material, adopt ceramic metalizing process that pottery and metal parts are at high temperature welded together with the method for soldering, therefore the material of all participations sealing is all used the resistant to elevated temperatures material of energy.
Described external cabling post 6 stationary positioned are in the outside of plastic casing 20.
The structure that described external cabling post 6 connects the quiet contact point 2 of conducting is: described transition swivel nut 8 bottom surfaces and plastic casing 20 bottom surfaces maintain an equal level, this transition swivel nut 8 is bolted with inner hold-down screw 9 from bottom, press between the bottom surface of the nut of this inside hold-down screw 9 and transition swivel nut 8 and be fixed with transition conducting strip 60, plastic casing 10 bottom surfaces are close to by this transition conducting strip 60 and its outer rim is positioned at plastic casing 20 outsides, and external cabling post 6 fixedly is set in described transition conducting strip 60 and is positioned on the position in plastic casing 20 outsides.
The structure that described external cabling post 6 fixedly is set on the position that described transition conducting strip 60 is positioned at plastic casing 20 outsides is: this external cabling post 6 is the screw of being furnished with nut, this screw wears from bottom to top into described transition conducting strip 60, nut is spirally connected in top and the screw of transition conducting strip 60, and user's stube cable presses and is connected between nut and transition conducting strip by screwing of screw and nut.
Be provided with a plastic bottom board 12 that is connected sealed ceramic 7, this plastic bottom board 12 is positioned at transition conducting strip 60 bottoms.
Claims (7)
1. a D.C. contactor, comprise moving contact point (1), quiet contact point (2), the magnetostatic utmost point (3), moving (4) and the coil (5) unshakable in one's determination be located in sealing metal shell (10), the outer plastic casing (20) that is provided with of sealing metal shell (10), external cabling post (6) stationary positioned that connects the quiet contact point of conducting (2) is upper at plastic casing (20), it is characterized in that: fixing by sealed ceramic (7) sealing between the lead-out wire (50) of coil (5), quiet contact point (2) and sealing metal shell;
Sealing fixing structure by sealed ceramic (7) between the lead-out wires of coil (50) of described coil (5), quiet contact point (2) and sealing metal shell is: be welded with the metal clamping ring (11) of a circle near sealed ceramic (7) outer rim above described sealed ceramic (7), this metal clamping ring (11) and the fixing welding in sealing metal shell (10) lower openings place; The position perforate of the corresponding lead-out wires of coil of described sealed ceramic (7) (50) and quiet contact point (2): be welded with the supporting spacer shell of interior space and lead-out wires of coil (50) profile in the hole of corresponding lead-out wires of coil (50), lead-out wires of coil (50) fixedly is set in described spacer shell; Be welded with transition swivel nut (8) in the hole of corresponding quiet contact point (2), quiet contact point (2) be the hollow cylinder of bottom surface opening and in it space and transition swivel nut (8) profile supporting, this quiet contact point (2) fixed cover is located at described transition swivel nut (8) top.
2. D.C. contactor according to claim 1, it is characterized in that: described sealed ceramic (7) is the sheet type circular configuration; The cross section of described spacer shell, transition swivel nut (8), lead-out wires of coil (50) and quiet contact point (2) is all circle.
3. D.C. contactor according to claim 1, it is characterized in that: described sealed ceramic (7) is high temperature ceramic material; Described transition swivel nut (8) and spacer shell are refractory metal material.
4. D.C. contactor according to claim 1, it is characterized in that: described external cabling post (6) stationary positioned is in the outside of plastic casing (20).
5. D.C. contactor according to claim 4, it is characterized in that: the structure that described external cabling post (6) connects the quiet contact point of conducting (2) is: described transition swivel nut (8) bottom surface and plastic casing (20) bottom surface maintain an equal level, this transition swivel nut (8) is bolted with inner hold-down screw (9) from bottom, press between the bottom surface of the nut of this inside hold-down screw (9) and transition swivel nut (8) and be fixed with transition conducting strip (60), plastic casing (20) bottom surface is close to by this transition conducting strip (60) and its outer rim is positioned at plastic casing (20) outside, external cabling post (6) fixedly is set on the position that described transition conducting strip (60) is positioned at plastic casing (20) outside.
6. D.C. contactor according to claim 5, it is characterized in that: the structure that described external cabling post (6) fixedly is set on the position that described transition conducting strip (60) is positioned at plastic casing (20) outside is: this external cabling post (6) is the screw of being furnished with nut, this screw wears from bottom to top into described transition conducting strip (60), and nut is spirally connected in top and the screw of transition conducting strip (60).
7. D.C. contactor according to claim 5 is characterized in that: be provided with a plastic bottom board (12) that is connected sealed ceramic (7), this plastic bottom board (12) is positioned at transition conducting strip (60) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010234827 CN102339685B (en) | 2010-07-22 | 2010-07-22 | Direct-current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010234827 CN102339685B (en) | 2010-07-22 | 2010-07-22 | Direct-current contactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102339685A CN102339685A (en) | 2012-02-01 |
| CN102339685B true CN102339685B (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010234827 Active CN102339685B (en) | 2010-07-22 | 2010-07-22 | Direct-current contactor |
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| Country | Link |
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| CN (1) | CN102339685B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810205B (en) * | 2014-01-23 | 2017-02-15 | 昆山国力真空电器有限公司 | Direct current contactor ceramic sealing improvement structure |
| CN104763265A (en) * | 2015-03-26 | 2015-07-08 | 山东钢铁股份有限公司 | Magnetic door bin switch of crown block |
| CN107180730B (en) * | 2017-07-04 | 2020-08-25 | 厦门宏发电力电器有限公司 | High-temperature-resistant relay and production method thereof |
| GB2567837A (en) * | 2017-10-25 | 2019-05-01 | Albright International Ltd | Mounting bracket for electrical relay |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2563839Y (en) * | 2002-06-05 | 2003-07-30 | 乜连波 | Composite solid relay |
| CN201754388U (en) * | 2010-07-22 | 2011-03-02 | 昆山国力真空电器有限公司 | Direct-current contactor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020097119A1 (en) * | 1996-02-27 | 2002-07-25 | Molyneux Michael H. | Hermetically sealed electromagnetic relay |
| US7852178B2 (en) * | 2006-11-28 | 2010-12-14 | Tyco Electronics Corporation | Hermetically sealed electromechanical relay |
| US7868720B2 (en) * | 2007-11-01 | 2011-01-11 | Tyco Electronics Corporation India | Hermetically sealed relay |
-
2010
- 2010-07-22 CN CN 201010234827 patent/CN102339685B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2563839Y (en) * | 2002-06-05 | 2003-07-30 | 乜连波 | Composite solid relay |
| CN201754388U (en) * | 2010-07-22 | 2011-03-02 | 昆山国力真空电器有限公司 | Direct-current contactor |
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| Publication number | Publication date |
|---|---|
| CN102339685A (en) | 2012-02-01 |
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Effective date of registration: 20170206 Address after: Kunshan City, Suzhou City Shueisiou road 215300 Jiangsu province No. 1418 room 4 Patentee after: KUNSHAN GUOLI YUANTONG NEW ENERGY TECHNOLOGY CO., LTD. Address before: 215301 Changjiang Road, Kunshan Development Zone, Jiangsu, China, 179 Patentee before: Kunshan Guoli Vacuum Electric Co., Ltd. |