CN102097221A - Contact finger - Google Patents
Contact finger Download PDFInfo
- Publication number
- CN102097221A CN102097221A CN2009102506587A CN200910250658A CN102097221A CN 102097221 A CN102097221 A CN 102097221A CN 2009102506587 A CN2009102506587 A CN 2009102506587A CN 200910250658 A CN200910250658 A CN 200910250658A CN 102097221 A CN102097221 A CN 102097221A
- Authority
- CN
- China
- Prior art keywords
- contact
- fingertip
- steel band
- spring steel
- switchgear
- 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.)
- Pending
Links
Abstract
The invention relates to a contact finger for a fixed contact in an on/off circuit or a bus connecting device of a high-voltage switch equipment, wherein the high-voltage switch equipment relates to a circuit breaker, a load switch and a disconnecting switch. The contact finger is used for electric conduction contact between a moving contact and a fixed contact, has the advantages of small size, large contact area and good electric conductivity, and is also suitable for two occasions including static connection and sliding connection between the moving contact and the fixed contact.
Description
Affiliated technical field
Type of the present invention relates to fixed contact fingertip in a kind of high voltage switchgear or the high voltage switchgear bus connecting device, and high voltage switchgear refers to circuit breaker, on-load switch, isolating switch.
Background technology
High voltage switchgear is generally used for switching on and off the power transmission and distribution loop under zero load, normal duty or the short-circuit condition, and the power on/off of high voltage switchgear is mainly leaned on moving contact and realized effective connection of fixed contact.
Under modern technologies, fixed contact generally adopts ring spring that the fingertip that copper sheet die casting forms is carried out flexible fastening in the high voltage switchgear, be installed in the static contact seat, the impulsive force that moving contact leans against in the running struts the fixing fingertip of spring and fully realizes conducting function after the contact, require the elasticity of ring spring necessarily will get well like this, selection and machining accuracy will guarantee, and contact require fixedly the time will be very evenly and concentricity necessarily to get well, cause traditional technological equipment to be difficult to realize, cause that contact-making surface has been subjected to wearing and tearing in dynamic/static contact long period of operation and the running, thereby resistance increases, caloric value also increases, and has reduced the useful life of switchgear and has increased line loss.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, volume is less, contact area is big, electric conductivity is reliable, install simple, be applicable to static connection and the fixed contact fingertip of the two kinds of occasions that are slidingly connected, with reduce bad assurance of fingertip assembly precision in the prior art and moving contact with the fixed contact moving process in wearing and tearing, thereby improve the switchgear life-span.
Technical scheme of the present invention is achieved in that the length of fingertip can decide according to switchgear rated current size, after the calculating with after the cutting of fingertip length, fingertip is placed stationary contact headstock groove, the width of groove and the width of fingertip are complementary, fingertip forms a circle in stationary contact headstock groove, form the fingertip circle of a sealing, be stuck in firmly in the stationary contact headstock groove, this kind mode does not need the assurance of technological equipment, make installation process be very easy to, and guaranteed moving contact with the fixed contact moving process in can keep contacting fully, thereby realize highly reliable conductivity.
The invention has the beneficial effects as follows:
Fingertip of the present invention is simple in structure, volume is little, long service life, machining accuracy height, length can be complementary with the size of electric current, conduction reliability height, is applicable to the static connection between moving contact and fixed contact or the dual mode that is slidingly connected.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Accompanying drawing 1 is the structural plan schematic diagram of this fingertip
Among Fig. 1
1 spring steel band
2 contacts
Embodiment
Below, describe the preferred embodiments of the present invention in detail with reference to accompanying drawing 1.Need to prove before this, employed term or word can not limited interpretation be common implication or the implication in the dictionary in this specification and claims book, and should be based in order to illustrate that in the best way principle that its inventor can suitably define the notion of term is interpreted as meeting the implication and the notion of the technology of the present invention thought.Thereupon, the structure of representing in embodiment that this specification is put down in writing and the accompanying drawing is one of most preferred embodiment of the present invention, can not represent technological thought of the present invention fully, therefore should be understood that to have various equivalents and the variation that to replace for the present invention.
As shown in Figure 1, the present invention is made up of spring steel band (1), (2) two parts of contact.
Described fingertip, spring steel band (1) and contact (2) all form by smart pressing equipment manufacturing, and a plurality of contacts (2) are inserted in spring steel band (1) to be gone up and rivets firmly, has guaranteed tight the contacting of each part contact (2) with spring steel band (1).
Described fingertip, many contacts (2) are formed fingertip with spring steel band (1), can select to increase the length of fingertip along with the increase of switchgear electric current.
Described fingertip, each contact (2) is stopped long-pending little, but conductive area is big, has effectively saved the area of quiet contact zones.
Described fingertip, fingertip are installed in the switchgear fixed contact, contact with moving contact, can static connection, also can be slidingly connected, and use as high voltage switchgear on-off circuit or high voltage switchgear bus connecting device.
Claims (4)
1. fingertip, form by spring steel band (1) and (2) two parts of contact, it is characterized in that: spring steel band (1) and contact (2) all form by smart pressing equipment manufacturing, contact (2) is inserted in spring steel band (1) to be gone up and rivets firmly, has guaranteed tight the contacting of each part contact (2) with spring steel band (1).
2. according to claim 1, a plurality of contacts (2) are formed fingertip with spring steel band (1), can select to increase the length of fingertip along with the increase of switchgear electric current.
3. according to claim 1, each contact (2) is stopped long-pending little, but conductive area is big, has effectively saved the area of fingertip.
4. according to claim 1, fingertip is installed in the switchgear fixed contact, contacts with moving contact, can static connection, also can be slidingly connected, and use as high voltage switchgear on-off circuit or high voltage switchgear bus connecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102506587A CN102097221A (en) | 2009-12-14 | 2009-12-14 | Contact finger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102506587A CN102097221A (en) | 2009-12-14 | 2009-12-14 | Contact finger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102097221A true CN102097221A (en) | 2011-06-15 |
Family
ID=44130263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102506587A Pending CN102097221A (en) | 2009-12-14 | 2009-12-14 | Contact finger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102097221A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934635A (en) * | 2014-04-08 | 2014-07-23 | 周榆淘 | Manufacturing method and fixture of high-voltage switch contact fingers |
| CN105609335A (en) * | 2016-01-25 | 2016-05-25 | 上海天灵开关厂有限公司 | Gas insulated ring main unit and isolating switch and conductive assembly |
-
2009
- 2009-12-14 CN CN2009102506587A patent/CN102097221A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934635A (en) * | 2014-04-08 | 2014-07-23 | 周榆淘 | Manufacturing method and fixture of high-voltage switch contact fingers |
| CN103934635B (en) * | 2014-04-08 | 2016-08-24 | 周榆淘 | The manufacture method of a kind of high-voltage switch contact finger and fixture thereof |
| CN105609335A (en) * | 2016-01-25 | 2016-05-25 | 上海天灵开关厂有限公司 | Gas insulated ring main unit and isolating switch and conductive assembly |
| CN105609335B (en) * | 2016-01-25 | 2018-09-04 | 上海天灵开关厂有限公司 | A kind of gas-insulated ring network cabinet and rotary three-station and conductive component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING VEE ELECTRIC EQUIPMENT CO., LTD. Free format text: FORMER OWNER: BEIJING WEIYIAI ELECTRIC CO., LTD. Effective date: 20121228 Free format text: FORMER OWNER: QIAN XUAN Effective date: 20121228 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121228 Address after: 101300 Beijing city Shunyi District Lin Henan Street No. 9 Applicant after: Beijing Vee Electric Equipment Co., Ltd. Address before: 101300 Beijing city Shunyi District Shuanghe town two or three industrial development base and Lunanren Applicant before: VEE Electric Equipment Co., Ltd. Applicant before: Qian Xuan |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110615 |