CN100401446C - Probe of contactor and a.c. contactor thereof - Google Patents
Probe of contactor and a.c. contactor thereof Download PDFInfo
- Publication number
- CN100401446C CN100401446C CNB2006100502624A CN200610050262A CN100401446C CN 100401446 C CN100401446 C CN 100401446C CN B2006100502624 A CNB2006100502624 A CN B2006100502624A CN 200610050262 A CN200610050262 A CN 200610050262A CN 100401446 C CN100401446 C CN 100401446C
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- platform
- guide card
- copper guide
- touches
- contact
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Abstract
The present invention relates to a contact head of a contactor and an alternating current contactor which adopts the contact head. The present invention belongs to the technical field of the electric load control. The contact head comprises a copper conductive sheet and a silver contact point, wherein a contact platform is integrated with the copper conductive sheet, and the silver contact point is arranged on the contact platform. The present invention has the advantages that the working process is simple, the production cost is low, the combination of the silver contact point and the copper conductive sheet is reliable, the quantity of produced heat is low, and the switching performance is good. The present invention mainly solves the problems existing in fixing a silver contact point with rivets that the production cost is high, the quantity of produced heat is high, the silver contact is easy to fall off, the switching performance is poor, etc.
Description
Technical field
The present invention relates to the A.C. contactor of a kind of probe of contactor and this contact of employing, belong to the technical field of electrical load control.
Background technology
Document number is a kind of static contact head device that is used for A.C. contactor of the Chinese patent literature of CN2397597Y, comprises copper contact plate, silver contact, welds on the copper contact plate that silver contact, opening part are adjacent an iron arcing born.Technique scheme probe of contactor silver contact area of dissipation is less, and radiating effect is not good, and silver contact burns out easily, and useful life is shorter.
Summary of the invention
Main purpose of the present invention is to provide a kind of radiating effect of strengthening probe of contactor, reduced temperature rise, prevented that silver contact from burning out, probe of contactor that has prolonged useful life and A.C. contactor thereof, the probe of contactor silver contact area of dissipation that has solved the prior art existence is less, problems such as radiating effect is not good, and silver contact burns out easily, and useful life is short.
Above-mentioned technical purpose of the present invention solves by the following technical programs: comprise copper guide card and silver contact, described copper guide card is provided with the integrated with it platform that touches, described silver contact is arranged on and touches on the platform, and described copper guide card is provided with and touches the platform corresponding grooves corresponding to the another side that touches the platform position.The mode that adopts punching press is in the punching press of copper guide card, an evagination of copper guide card forms and touches platform, the then corresponding indent of another side forms groove, thereby touch the area of dissipation that platform and groove increased silver point and reduced contact resistance, strengthened radiating effect, the heat that silver contact is produced can be distributed apace, has reduced temperature rise, prevent burning out of silver contact, prolonged useful life.To touch platform and the copper guide card is one-body molded, reduce the processing and the assembly process of contact, reduce manufacturing cost, improve production efficiency, eliminate the resistance that the riveted joint of rivet and copper guide card exists, reduce the caloric value at silver contact place, reduce temperature rise; Silver contact is set directly at the copper guide card is integrated touches on the platform, can make to combine more firmly between silver contact and the copper guide card, improved the break-make performance of contact.Boss on the copper guide card both can adopt punch forming, also can adopt die cast.
As preferably, the degree of depth of described groove is the 1/3-2/3 of copper guide card thickness, and the degree of depth of described height that touches platform and groove is suitable, has both guaranteed to touch the mechanical strength of platform and copper guide card, makes silver contact obtain enough big area of dissipation again.
As preferably, described copper guide card is provided with several integrated with it location conducting boss, and described copper guide card is provided with and locatees the conducting boss corresponding concave part corresponding to the another side of location conducting boss.Can realize the location and the conducting function of copper guide card and binding post, reinforced conductive effect by the location conducting boss.
As preferably, described location conducting boss and touch two facing surfaces that platform lays respectively at the copper guide card.Make the installation site of silver contact and copper guide card lay respectively at not coplanar, both stagger, and are convenient to install and assembling.
As preferably, described to touch platform be Rotary-table so that processing and manufacturing, and its diameter is slightly less than the width of copper guide card; The described diameter that touches platform is the 2/3-5/6 of copper guide card width.Enlarged the sectional area that touches platform, make silver contact that bigger contact area be arranged with it, prevent to come off, increase the area that passes through of electric current simultaneously, reduced the electric current that passes through of unit are, reduced temperature rise, also reduced electric arc, make and circuit break-make in time improved the break-make performance, prolonged useful life.
A.C. contactor, comprise base, relaying shell and top cover, the iron core that is provided with coil is arranged on the base, fixed contact is installed on the relaying shell, moving contact is installed on the moving contact rack corresponding to the fixed contact top, the moving contact rack guiding is connected on the relaying shell, it is characterized in that: described moving contact rack constitutes the inverted T shape structure by vertical part and transverse part, described vertical part is provided with cross through hole, described moving contact is symmetricly set in the cross through hole by holddown spring, the vertical part that the copper guide card lower surface of moving contact is symmetrical in moving contact rack is respectively equipped with the integrated with it platform that touches, and each touches and is welded with silver contact on the platform respectively; Described fixed contact comprises two fixed contacts that are electrically connected with lead-in clamp respectively with the output wiring terminal electrical connection, the upper surface of the copper guide card of described two fixed contacts is respectively equipped with the integrated with it platform that touches, described touching is welded with silver contact on the platform, the copper guide card of described moving contact and the copper guide card of fixed contact are provided with groove corresponding to the another side that touches the platform position.To touch platform and the copper guide card is one-body molded, reduce the processing and the assembly process of A.C. contactor, reduce manufacturing cost, improve production efficiency, eliminate the resistance that the riveted joint of rivet and copper guide card exists, reduce the caloric value at silver contact place, reduce temperature rise; Silver contact is set directly at the copper guide card is integrated touches on the platform, can make to combine more firmly between silver contact and the copper guide card, improved the break-make performance of A.C. contactor.
As preferably, the degree of depth of described groove is the 1/3-2/3 of copper guide card thickness, and the degree of depth of described height that touches platform and groove is suitable, and the described platform that touches is that Rotary-table is so that processing and manufacturing, its diameter is slightly less than the width of copper guide card, and the diameter that touches platform is the 2/3-5/6 of copper guide card width.
Therefore, the present invention has the radiating effect of strengthening probe of contactor, has reduced temperature rise, has prevented that silver contact from burning out, and prolonged characteristics such as useful life.
Description of drawings
Fig. 1 is a kind of plan structure schematic diagram of the present invention;
Fig. 2 is a kind of main TV structure schematic diagram of the present invention;
Fig. 3 is an another kind of plan structure schematic diagram of the present invention;
Fig. 4 is the main TV structure schematic diagram of another kind of the present invention;
Fig. 5 is a kind of structural representation of A.C. contactor of the present invention.
Embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1: as depicted in figs. 1 and 2, a kind of copper guide card 41 of fixed contact is provided with the circular convex platform 42 that touches of integrated punching moulding with it, touch and be welded with silver contact 44 on the platform 42, and forming corresponding to copper guide card 41 another sides that touch platform 42 and touching platform 42 corresponding grooves 43, the degree of depth of groove is 1/3 of a copper guide card thickness, the degree of depth of touching the height of platform and groove is suitable, and the diameter that touches platform is 5/6 of a copper guide card width.With respect to another surface of the copper guide card that touches platform 42 and be provided with the cylindrical location conducting boss 45 of two symmetrically arranged and the moulding of copper guide card integrated punching away from contact end, the location conducting boss can realize and being connected of binding post that the copper guide card is provided with and locatees conducting boss corresponding concave part 46 corresponding to the another side of location conducting boss.Between touching to be provided with between platform 42 and the conducting boss 45 through hole 47 is installed, can be realized installing and fixing of contact by through hole is installed.
Embodiment 2: as shown in Figure 3 and Figure 4, the copper guide card 41 ' of moving contact is provided with and is symmetrical arranged and the touching platform 42 ' and touch platform 42 of integrated punching moulding with it "; touch platform 42 ' and touch platform 42 " be welded with silver contact 44 ' and silver contact 44 respectively "; corresponding to touching platform 42 ' and touching platform 42 " copper guide card 41 ' another side form respectively and touch platform 42 ' and touch platform 42 " corresponding grooves 43 ' and groove 43 ", groove 43 ' and groove 43 " the degree of depth be 1/2 of copper guide card thickness; touch platform 42 ' and touch platform 42 " height and groove 43 ' and groove 43 " the degree of depth suitable, the diameter that touches platform is 2/3 of a copper guide card maximum width.The middle both sides indent of copper guide card forms and clamps position 48, convexes into fixed bit 49 under the surface of copper guide card.
Embodiment 3: as depicted in figs. 1 and 2, a kind of copper guide card 41 of fixed contact is provided with the circular convex platform 42 that touches of integrated punching moulding with it, touch and be welded with silver contact 44 on the platform 42, and forming corresponding to copper guide card 41 another sides that touch platform 42 and touching platform 42 corresponding grooves 43, the degree of depth of groove is 2/3 of a copper guide card thickness, the degree of depth of touching the height of platform and groove is suitable, and the diameter that touches platform is 3/4 of a copper guide card width.With respect to another surface of the copper guide card that touches platform 42 and be provided with the cylindrical location conducting boss 45 of two symmetrically arranged and the moulding of copper guide card integrated punching away from contact end, the location conducting boss can realize and being connected of binding post that the copper guide card is provided with and locatees conducting boss corresponding concave part 46 corresponding to the another side of location conducting boss.Between touching to be provided with between platform 42 and the conducting boss 45 through hole 47 is installed, can be realized installing and fixing of contact by through hole is installed.
Embodiment 4: A.C. contactor, it can be a utmost point, the two poles of the earth, three utmost points or multipole, as shown in Figure 5, comprise base 26, relaying shell 27 and top cover 28, the iron core 30 that is provided with coil 29 is arranged on the base 26, coil 29 is provided with coil current binding post 39, fixed contact 34 that is electrically connected with incoming line binding post 33 and the fixed contact 31 that is electrically connected with output line binding post 35 are installed on the relaying shell 27, moving contact 36 and moving contact 32 correspond respectively to fixed contact 34 tops and fixed contact 31 tops and are installed on the moving contact rack 1, be provided with holddown spring 37 between the upper surface of moving contact 36 and moving contact 32 and the moving contact rack 1, moving contact rack 1 guiding is connected on the relaying shell 27, make moving contact 36 and moving contact 32 between fixed contact 34 and fixed contact 31, form the break-make bridge joint, be provided with back-moving spring 38 between moving contact rack 1 lower end and the base 26.
Moving contact rack constitutes the inverted T shape structure by vertical part and transverse part, the vertical part is provided with cross through hole, as shown in Figure 3 and Figure 4, the middle both sides indent of copper guide card forms and clamps position 48, convex into fixed bit 49 under the surface of copper guide card, moving contact by holddown spring and clamp the position 48 and fixed bit 49 be symmetricly set in the cross through hole, the copper guide card 41 ' of moving contact is provided with and is symmetrical arranged and the touching platform 42 ' and touch platform 42 of integrated punching moulding with it "; touch platform 42 ' and touch platform 42 " be welded with silver contact 44 ' and silver contact 44 respectively "; corresponding to touching platform 42 ' and touching platform 42 " copper guide card 41 ' another side form respectively and touch platform 42 ' and touch platform 42 " corresponding grooves 43 ' and groove 43 ", groove 43 ' and groove 43 " the degree of depth be 1/2 of copper guide card thickness; touch platform 42 ' and touch platform 42 " height and groove 43 ' and groove 43 " the degree of depth suitable, the diameter that touches platform is 2/3 of a copper guide card maximum width.
As depicted in figs. 1 and 2, the copper guide card 41 of two fixed contacts is provided with the circular convex platform 42 that touches of integrated punching moulding with it, touch and be welded with silver contact 44 on the platform 42, and forming corresponding to copper guide card 41 another sides that touch platform 42 and touching platform 42 corresponding grooves 43, the degree of depth of groove is 1/3 of a copper guide card thickness, the degree of depth of touching the height of platform and groove is suitable, and the diameter that touches platform is 5/6 of a copper guide card width.With respect to another surface of the copper guide card that touches platform 42 and be provided with the cylindrical location conducting boss 45 of two symmetrically arranged and the moulding of copper guide card integrated punching away from contact end, the location conducting boss can realize and being connected of binding post that the copper guide card is provided with and locatees conducting boss corresponding concave part 46 corresponding to the another side of location conducting boss.Between touching to be provided with between platform 42 and the conducting boss 45 through hole 47 is installed, can be realized on the relaying shell, installing and fixing of fixed contact by through hole 47 is installed.
Embodiment 5: A.C. contactor, it can be a utmost point, the two poles of the earth, three utmost points or multipole, as shown in Figure 5, comprise base 26, relaying shell 27 and top cover 28, the iron core 30 that is provided with coil 29 is arranged on the base 26, coil 29 is provided with coil current binding post 39, fixed contact 34 that is electrically connected with incoming line binding post 33 and the fixed contact 31 that is electrically connected with output line binding post 35 are installed on the relaying shell 27, moving contact 36 and moving contact 32 correspond respectively to fixed contact 34 tops and fixed contact 31 tops and are installed on the moving contact rack 1, be provided with holddown spring 37 between the upper surface of moving contact 36 and moving contact 32 and the moving contact rack 1, moving contact rack 1 guiding is connected on the relaying shell 27, make moving contact 36 and moving contact 32 between fixed contact 34 and fixed contact 31, form the break-make bridge joint, be provided with back-moving spring 38 between moving contact rack 1 lower end and the base 26.
Moving contact rack constitutes the inverted T shape structure by vertical part and transverse part, the vertical part is provided with cross through hole, as shown in Figure 3 and Figure 4, the middle both sides indent of copper guide card forms and clamps position 48, convex into fixed bit 49 under the surface of copper guide card, moving contact by holddown spring and clamp the position 48 and fixed bit 49 be symmetricly set in the cross through hole, the copper guide card 41 ' of moving contact is provided with and is symmetrical arranged and the touching platform 42 ' and touch platform 42 of integrated punching moulding with it "; touch platform 42 ' and touch platform 42 " be welded with silver contact 44 ' and silver contact 44 respectively "; corresponding to touching platform 42 ' and touching platform 42 " copper guide card 41 ' another side form respectively and touch platform 42 ' and touch platform 42 " corresponding grooves 43 ' and groove 43 ", groove 43 ' and groove 43 " the degree of depth be 1/2 of copper guide card thickness; touch platform 42 ' and touch platform 42 " height and groove 43 ' and groove 43 " the degree of depth suitable, the diameter that touches platform is 2/3 of a copper guide card maximum width.
As depicted in figs. 1 and 2, the copper guide card 41 of two fixed contacts is provided with the circular convex platform 42 that touches of integrated punching moulding with it, touch and be welded with silver contact 44 on the platform 42, and forming corresponding to copper guide card 41 another sides that touch platform 42 and touching platform 42 corresponding grooves 43, the degree of depth of groove is 2/3 of a copper guide card thickness, the degree of depth of touching the height of platform and groove is suitable, and the diameter that touches platform is 3/4 of a copper guide card width.With respect to another surface of the copper guide card that touches platform 42 and be provided with the cylindrical location conducting boss 45 of two symmetrically arranged and the moulding of copper guide card integrated punching away from contact end, the location conducting boss can realize and being connected of binding post that the copper guide card is provided with and locatees conducting boss corresponding concave part 46 corresponding to the another side of location conducting boss.Between touching to be provided with between platform 42 and the conducting boss 45 through hole 47 is installed, can be realized installing and fixing of contact by through hole is installed.
Claims (9)
1. a probe of contactor comprises copper guide card and silver contact, and the copper guide card is provided with the integrated with it platform that touches, and silver contact is arranged on and touches on the platform, it is characterized in that: described copper guide card is provided with and touches the platform corresponding grooves corresponding to the another side that touches the platform position.
2. probe of contactor according to claim 1, the degree of depth that it is characterized in that described groove is the 1/3-2/3 of copper guide card thickness, the degree of depth of described height that touches platform and groove is suitable.
3. probe of contactor according to claim 1 and 2 is characterized in that described copper guide card is provided with several integrated with it location conducting boss.
4. probe of contactor according to claim 3 is characterized in that described copper guide card is provided with and locatees the conducting boss corresponding concave part corresponding to the another side of location conducting boss.
5. probe of contactor according to claim 3 is characterized in that described location conducting boss and touches two facing surfaces that platform lays respectively at the copper guide card.
6. contactor according to claim 1 and 2 is characterized in that the described platform that touches is a Rotary-table, and its diameter is slightly less than the width of copper guide card.
7. probe of contactor according to claim 6 is characterized in that the described diameter that touches platform is the 2/3-5/6 of copper guide card width.
8. A.C. contactor, comprise base, relaying shell and top cover, the iron core that is provided with coil is arranged on the base, fixed contact is installed on the relaying shell, moving contact is installed on the moving contact rack corresponding to the fixed contact top, the moving contact rack guiding is connected on the relaying shell, it is characterized in that: described moving contact rack constitutes the inverted T shape structure by vertical part and transverse part, described vertical part is provided with cross through hole, described moving contact is symmetricly set in the cross through hole by holddown spring, the vertical part that the copper guide card lower surface of moving contact is symmetrical in moving contact rack is respectively equipped with the integrated with it platform that touches, and each touches and is welded with silver contact on the platform respectively; Described fixed contact comprises two fixed contacts that are electrically connected with lead-in clamp respectively with the output wiring terminal electrical connection, the upper surface of the copper guide card of described two fixed contacts is respectively equipped with the integrated with it platform that touches, described touching is welded with silver contact on the platform, it is characterized in that: the copper guide card of described moving contact and the copper guide card of fixed contact are provided with groove corresponding to the another side that touches the platform position.
9. A.C. contactor according to claim 8, the degree of depth that it is characterized in that described groove is the 1/3-2/3 of copper guide card thickness, the degree of depth of described height that touches platform and groove is suitable, the described platform that touches is a Rotary-table, its diameter is slightly less than the width of copper guide card, and the diameter that touches platform is the 2/3-5/6 of copper guide card width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100502624A CN100401446C (en) | 2006-04-10 | 2006-04-10 | Probe of contactor and a.c. contactor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100502624A CN100401446C (en) | 2006-04-10 | 2006-04-10 | Probe of contactor and a.c. contactor thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1835162A CN1835162A (en) | 2006-09-20 |
| CN100401446C true CN100401446C (en) | 2008-07-09 |
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ID=37002858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100502624A Expired - Fee Related CN100401446C (en) | 2006-04-10 | 2006-04-10 | Probe of contactor and a.c. contactor thereof |
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| Country | Link |
|---|---|
| CN (1) | CN100401446C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102040148A (en) * | 2010-12-15 | 2011-05-04 | 广州市镜华金属材料有限公司 | Switch contact for elevator door lock |
| CN102881518B (en) * | 2012-10-08 | 2014-10-08 | 乐清市长征电器开关厂 | Moving contact of alternating current contactor and manufacture method thereof |
| JP6959728B2 (en) | 2016-11-04 | 2021-11-05 | 富士通コンポーネント株式会社 | Electromagnetic relay |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072043A (en) * | 1991-10-28 | 1993-05-12 | 中外电气工业株式会社 | Compound electrical contact |
| CN2397597Y (en) * | 1999-10-14 | 2000-09-20 | 林李杰 | Static contact device for AC contactor |
| US6248965B1 (en) * | 1999-08-16 | 2001-06-19 | General Electric Company | Methods and apparatus for rolling contactor tips upon closure |
| CN2879405Y (en) * | 2006-04-10 | 2007-03-14 | 兰秋生 | Contactor |
-
2006
- 2006-04-10 CN CNB2006100502624A patent/CN100401446C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072043A (en) * | 1991-10-28 | 1993-05-12 | 中外电气工业株式会社 | Compound electrical contact |
| US6248965B1 (en) * | 1999-08-16 | 2001-06-19 | General Electric Company | Methods and apparatus for rolling contactor tips upon closure |
| CN2397597Y (en) * | 1999-10-14 | 2000-09-20 | 林李杰 | Static contact device for AC contactor |
| CN2879405Y (en) * | 2006-04-10 | 2007-03-14 | 兰秋生 | Contactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1835162A (en) | 2006-09-20 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080709 Termination date: 20200410 |