CN201066664Y - An AC contactor touch head - Google Patents
An AC contactor touch head Download PDFInfo
- Publication number
- CN201066664Y CN201066664Y CNU2007200428132U CN200720042813U CN201066664Y CN 201066664 Y CN201066664 Y CN 201066664Y CN U2007200428132 U CNU2007200428132 U CN U2007200428132U CN 200720042813 U CN200720042813 U CN 200720042813U CN 201066664 Y CN201066664 Y CN 201066664Y
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- CN
- China
- Prior art keywords
- contact
- silver alloy
- contactor
- copper
- copper contact
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a component applied to an AC contactor, in particular to a contact of an AC contactor, comprising a copper contact. The utility model is characterized in that the copper contact is also provided with a protruding silver alloy contact. The silver alloy contact is fixed on the copper contact in the structure so as to form a new contact; therefore, on one hand, the effect of the silver alloy contact greatly reduces the oxidization of the copper contact without increasing contact resistance, so that the rotary AC contactor has no cold fault of the contact in long-term electrification; on the other hand, the effect of the silver alloy contact maintains the feature, rapidly transferring the electric arc, of the copper contact and greatly increases the electrical durability of the rotary AC contactor, thus extending the applicability of the product.
Description
Technical field
The utility model relates to a kind of parts that are applied on the A.C. contactor, especially a kind of A.C. contactor contact.
Background technology
Contactor is a kind of control apparatus of automation.Contactor is mainly used in frequent connection or disjunction AC and DC circuit; it is big to have the control capacity; but remote operation; cooperate relay can realize fixed cycle operator, interlocked control, various quantitative controls and decompression and under-voltage protection; be widely used in automatic control circuit; its major control also can be used for controlling other electrical load, as electric heater, illumination, electric welding machine, capacitor group etc. to liking motor.And used copper contact pairing on the present A.C. contactor, because copper contact easily generates high-resistance metal oxide film and sulfide, the cold fault of contact can take place when contact was closed for a long time in this case, although the rotary type A.C. contactor has adopted magnetic quenching and rolling type friction design on product structure usually, its applicability still is subjected to significant limitation in use.
Summary of the invention
The purpose of this utility model is, a kind of oxidation, low resistance, A.C. contactor contact that adaptability is big of being difficult for is provided.
The utility model is achieved by the following scheme: a kind of A.C. contactor contact, comprise copper contact, and it is characterized in that also being provided with on the described copper contact silver alloy contact of protrusion.This is arranged on and is provided with the silver alloy contact on traditional copper contact, the silver alloy contact is significantly alleviated the problem of oxidation of copper contact, can not increase contact resistance, thereby make the rotary type A.C. contactor that contact no power fault can not take place when long-term energising, the characteristic that has kept the quick transferred arc of copper contact simultaneously, significantly increase rotary type A.C. contactor product electrical endurance energy, widened the applicability of product.
Of the present utility modelly further be set to: described copper contact is provided with a location notch that matches with the silver alloy contact size, and the silver alloy contact is fixed in the location notch.This is arranged on location notch is set on the copper contact, makes that the silver alloy contact is easier to be fixed on the copper contact, has reduced fixing difficulty, has increased the firm degree of silver alloy contact simultaneously.
Of the present utility modelly further be set to: described copper contact is provided with a shallow slot as position line, and the silver alloy contact is provided with the projection that matches with position line, and is fixed on this position line.This is arranged on position line is set on the copper contact, makes that the silver alloy contact is easier to be fixed on the copper contact, has reduced fixing difficulty, has increased the firmness of silver alloy contact simultaneously.
Of the present utility modelly further be set to: described copper contact is provided with a V-type groove as observation line, and the silver alloy contact is fixed on the copper contact along observation line.This is arranged on and is provided with observation line on the copper contact, is convenient to observe and the fixing position of silver alloy contact handled easily personnel welding.
Said structure is fixed on the silver alloy contact on the copper contact, constitute a new contact, the effect of silver alloy contact is significantly alleviated the problem of oxidation of copper contact on the one hand, can not increase contact resistance, thereby make the rotary type A.C. contactor that contact no power fault can not take place when long-term energising; The characteristic that has kept the quick transferred arc of copper contact has on the other hand significantly increased rotary type A.C. contactor product electrical endurance energy.Thereby open up the applicability of having prolonged product.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the I portion enlarged drawing of Fig. 1;
Fig. 3 is the structural representation of the utility model embodiment two;
Fig. 4 is the structural representation of the utility model embodiment three;
Fig. 5 is the structural representation of the new silver alloy contact of this practicality;
Embodiment
Embodiment one:
With reference to figure 1 and Fig. 2 as can be known, offered a location notch 3, silver alloy contact 2 has been welded in the location notch 3, thereby realized that the silver alloy contact 2 and the xenogenesis pairing of copper contact 1 use, formed the utility model contact jointly at the head of copper contact 1.
Embodiment two:
With reference to figure 3 as can be known, head at copper contact 1 is provided with a shallow slot as position line 4, silver alloy contact 2 is placed on the position line 4, projection 22 on the silver alloy contact 2 stretches in the position line 4, be welded on the head of copper contact 1 along position line 4 directions, thereby the xenogenesis pairing that realizes silver alloy contact 2 and copper contact 1 is used, and has formed the utility model contact jointly.
Embodiment three
With reference to figure 4 as can be known, head at copper contact 1 is provided with bar V-type groove as observation line 5, one side of silver alloy contact 2 is placed on the copper contact 1 along observation line 5, and silver alloy contact 2 is welded on the head of copper contact 1, thereby the xenogenesis pairing that realizes silver alloy contact 2 and copper contact 1 is used, and has formed the utility model contact jointly.
Claims (4)
1. an A.C. contactor contact comprises copper contact, it is characterized in that also being provided with on the described copper contact silver alloy contact of protrusion.
2. according to the described A.C. contactor contact of claim 1, it is characterized in that described copper contact is provided with a location notch that matches with the silver alloy contact size, the silver alloy contact is fixed in the location notch.
3. according to the described A.C. contactor contact of claim 1, it is characterized in that described copper contact is provided with a shallow slot as position line, the silver alloy contact is provided with the projection that matches with position line, and is fixed on this position line.
4. according to the described A.C. contactor contact of claim 1, it is characterized in that described copper contact is provided with a V-type groove as observation line, the silver alloy contact is fixed on the copper contact along observation line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200428132U CN201066664Y (en) | 2007-08-14 | 2007-08-14 | An AC contactor touch head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200428132U CN201066664Y (en) | 2007-08-14 | 2007-08-14 | An AC contactor touch head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201066664Y true CN201066664Y (en) | 2008-05-28 |
Family
ID=39483847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200428132U Expired - Fee Related CN201066664Y (en) | 2007-08-14 | 2007-08-14 | An AC contactor touch head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201066664Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668687A (en) * | 2015-01-30 | 2015-06-03 | 上海和伍新材料科技有限公司 | Welding method for electric contact |
-
2007
- 2007-08-14 CN CNU2007200428132U patent/CN201066664Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668687A (en) * | 2015-01-30 | 2015-06-03 | 上海和伍新材料科技有限公司 | Welding method for electric contact |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 Termination date: 20160814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |