CN204991502U - A isolator for transformer - Google Patents
A isolator for transformer Download PDFInfo
- Publication number
- CN204991502U CN204991502U CN201520627678.2U CN201520627678U CN204991502U CN 204991502 U CN204991502 U CN 204991502U CN 201520627678 U CN201520627678 U CN 201520627678U CN 204991502 U CN204991502 U CN 204991502U
- Authority
- CN
- China
- Prior art keywords
- contact
- contact site
- rotating mechanism
- transformer
- isolating switch
- 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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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The utility model discloses an isolator for transformer, include: a housing. Rotary mechanism, it rotatably sets up in the casing to can rotate for the casing, the static contact, it sets up in the casing, and includes a quiet contact site, and quiet contact site detachably sets up on the static contact, and the lower part of static contact has first recess, and the upper portion of quiet contact site has first limiting plate, and first limiting plate is located first recess, the moving contact, it sets up in the casing, and includes a traveling contact portion, and the detachably of traveling contact portion sets up on the moving contact, and the lower part of moving contact has the second recess, and the upper portion of traveling contact portion has the second limiting plate, and the second limiting plate is located the second recess, the connecting rod, its one end and rotary mechanism pin joint, and the other end and moving contact pin joint, wherein, static contact, quiet contact site, moving contact and traveling contact portion make by conducting material, and when rotary mechanism rotated for the casing, the connecting rod drove moving contact and static contact separation or contact.
Description
Technical field
The utility model relates to a kind of isolating switch for transformer.
Background technology
Isolating switch uses more a kind of electrical equipment in transformer, as the term suggests, be play buffer action in circuit.The principles and structure of isolating switch is fairly simple, but use amount is large, state switches very crucial, and comparatively large on the impact of the safe operation of electric substation, power plant and transformer etc., therefore functional reliability requires higher.In recent years, the materials and process quality of transformer isolating switch has had comparatively much progress, but during isolating switch uses, a frequent produced problem is: because dynamic/static contact frequently contacts, contact is deformed even wear and tear, cause the loose contact of dynamic/static contact, or the phenomenons such as contact site comes off, affect the normal use of transformer, great potential safety hazard is brought to safety utilization of electric power, if changed, need to change whole isolating switches, other components of isolating switch all can continue to use substantially, so, cause the shortening in isolating switch useful life, and cause unnecessary waste.Simultaneously, in the higher area of salinity or highly corrosive or the stronger severe environment for use of destructiveness, because personnel overhaul not in time, or to isolating switch just timing maintenance, the operating state of isolating switch can not be paid close attention in real time, isolating switch can not be changed in time, cause huge potential safety hazard.
Utility model content
An object of the present utility model solves at least the problems referred to above and/or defect, and provide the advantage will illustrated at least below.
The utility model also has an object to be to provide a kind of isolating switch for transformer, the utility model by by dynamic/quiet contact site is removably disposed on dynamic/fixed contact, solve dynamic and static contact site contact bad time, the problem that the isolating switch useful life need changing that whole isolating switch causes is short, simultaneously, be provided with counting equipment add up the contact of dynamic and static contact site and/or be separated number of times, the situation that when manually cannot overhaul to solve, isolating switch using state cannot be monitored.
For this reason, the technical scheme that the utility model provides is:
For an isolating switch for transformer, comprising:
Housing;
Rotating mechanism, it can be rotatably set in described housing, and can relative to described housing into rotation;
Fixed contact, it is arranged in described housing, and described fixed contact comprises a quiet contact site, described quiet contact site is removably disposed on described fixed contact, the bottom of described fixed contact has the first groove, the top of described quiet contact site has the first limiting plate, and described first limiting plate is positioned at described first groove to be fixed on described fixed contact by described quiet contact site;
Moving contact, it is arranged in described housing, and described moving contact comprises a dynamic contact site, described dynamic contact site is removably disposed on described moving contact, the bottom of described moving contact has the second groove, the top of described dynamic contact site has the second limiting plate, and described second limiting plate is positioned at described second groove to be fixed on described moving contact by described dynamic contact site; And,
Connecting rod, its one end and described rotating mechanism pivot joint, and the other end and described moving contact pivot joint;
Wherein, described fixed contact, described quiet contact site, described moving contact and described dynamic contact site are made by electric conducting material, and when described rotating mechanism is relative to described housing into rotation, described connecting rod drives described moving contact to be separated with described fixed contact or to contact.
Preferably, the described isolating switch for transformer, also comprises:
Counting equipment, it is connected with described rotating mechanism, to count the number of revolutions of described rotating mechanism; Wherein, when described rotating mechanism is relative to described housing into rotation, described connecting rod drives described moving contact to be separated with described fixed contact or to contact, and described counting equipment counting is separated or contacts once.
Preferably, described in the isolating switch of transformer, the cross section of described dynamic contact site is curved.
Preferably, described in the isolating switch of transformer, the cross section of described quiet contact site is curved.
Even more preferably, described in the isolating switch of transformer, described counting equipment is electronic counting equipment, described electronic counting equipment comprises microprocessor, memory, trigger sum counter, described microprocessor is connected respectively separately with described memory, described trigger and described counter, and described trigger is connected with described rotating mechanism described counting equipment is connected with described rotating mechanism.
Even more preferably, the described isolating switch for transformer, also comprises:
Controller, it is connected respectively separately with described rotating mechanism and described counting equipment.
Even more preferably, described in the isolating switch of transformer, described rotating mechanism is also provided with rotating handle, and described rotating handle is connected with described controller.
Preferably, described in the isolating switch of transformer, described quiet contact site is made up of silver-nickel, and described dynamic contact site is made up of siller tin oxide.
The utility model at least has following beneficial effect:
Isolating switch of the present utility model operationally between long after, quiet contact site and dynamic contact site, owing to being separated continually and contacting, cause the two all to have wearing and tearing, cause the phenomenons such as loose contact, now replaceable quiet contact site and/or dynamic contact site, good to make the two contact, ensure Electrical Safety, which increase the useful life of isolating switch, and, dynamic contact site and quiet contact site are set to arc, effectively can increase the contact area of the two like this, thus extend the time be worn.Simultaneously, also be provided with counting equipment for adding up the separation of the quiet contact site in east and frequency of exposure, even if like this when rugged environment condition or other people are inconvenience maintenance, also the abrasion condition of the two can be judged according to the separation of the two and frequency of exposure, even if to change sound contact site or directly to change isolating switch, ensure that the normal operation of transformer, ensure that Electrical Safety.The utility model device is simple, use, is easy to realize, is adapted to use of large-scale production.
Part is embodied by explanation below by other advantage of the present utility model, target and feature, part also will by research and practice of the present utility model by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the anatomical connectivity schematic block diagram for the isolating switch of transformer in one of them embodiment of the utility model.
Fig. 2 is the partially connected architecture schematic diagram of moving contact and dynamic contact site in one of them embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to specification word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
As depicted in figs. 1 and 2, the utility model provides a kind of isolating switch for transformer, comprising:
Housing 1;
Rotating mechanism 2, it can be rotatably set in described housing 1, and can rotate relative to described housing 1;
Fixed contact 3, it is arranged in described housing 1, and described fixed contact 3 comprises a quiet contact site 4, described quiet contact site 4 is removably disposed on described fixed contact 3, the bottom of described fixed contact 3 has the first groove 310, the top of described quiet contact site 4 has the first limiting plate 410, and described first limiting plate 410 is positioned at described first groove 310 to be fixed on described fixed contact 3 by described quiet contact site 4;
Moving contact 5, it is arranged in described housing 1, and described moving contact 5 comprises a dynamic contact site 6, described dynamic contact site 6 is removably disposed on described moving contact 5, the bottom of described moving contact 5 has the second groove 510, the top of described dynamic contact site 6 has the second limiting plate 610, and described second limiting plate 610 is positioned at described second groove 510 to be fixed on described moving contact 5 by described dynamic contact site 6; And,
Connecting rod 7, its one end and described rotating mechanism 2 pivot joint, and the other end and described moving contact 5 pivot joint;
Wherein, described fixed contact 3, described quiet contact site 4, described moving contact 5 and described dynamic contact site 6 are made by electric conducting material, when described rotating mechanism 2 rotates relative to described housing 1, described connecting rod 7 drives described moving contact 5 to be separated with described fixed contact 3 or to contact.
In one of them embodiment of the present utility model, as preferably, also comprise:
Counting equipment 8, it is connected with described rotating mechanism 2, to count the number of revolutions of described rotating mechanism 2; Wherein, when described rotating mechanism 2 rotates relative to described housing 1, described connecting rod 7 drives described moving contact 5 to be separated with described fixed contact 3 or to contact, and described counting equipment 8 counts and is separated or contacts once.
In one of them embodiment of the present utility model, as preferably, the cross section of described dynamic contact site 6 is curved.
In one of them embodiment of the present utility model, as preferably, the cross section of described quiet contact site 4 is curved.
In one of them embodiment of the present utility model, as preferably, described counting equipment 8 is electronic counting equipment, described electronic counting equipment comprises microprocessor, memory, trigger sum counter, described microprocessor is connected respectively separately with described memory, described trigger and described counter, and described trigger is connected with described rotating mechanism 2 described counting equipment is connected with described rotating mechanism 2.
In the above-described embodiments, as preferably, also comprise:
Controller (not shown), it is connected respectively separately with described rotating mechanism 2 and described counting equipment 8.
In the above-described embodiments, as preferably, described rotating mechanism 2 is also provided with rotating handle, and described rotating handle is connected with described controller.
In one of them embodiment of the present utility model, as preferably, described quiet contact site 4 is made up of silver-nickel, and described dynamic contact site 6 is made up of siller tin oxide.
Isolating switch of the present utility model operationally between long after, quiet contact site and dynamic contact site, owing to being separated continually and contacting, cause the two all to have wearing and tearing, cause the phenomenons such as loose contact, now replaceable quiet contact site and/or dynamic contact site, good to make the two contact, ensure Electrical Safety, which increase the useful life of isolating switch, and, dynamic contact site and quiet contact site are set to arc, effectively can increase the contact area of the two like this, thus extend the time be worn.Simultaneously, also be provided with counting equipment for adding up the separation of the quiet contact site in east and frequency of exposure, even if like this when rugged environment condition or other people are inconvenience maintenance, also the abrasion condition of the two can be judged according to the separation of the two and frequency of exposure, even if to change sound contact site or directly to change isolating switch, ensure that the normal operation of transformer, ensure that Electrical Safety.The utility model device is simple, use, is easy to realize, is adapted to use of large-scale production.
Here the module number illustrated and treatment scale are used to simplify explanation of the present utility model.The application of fixed contact of the present utility model, moving contact and counting equipment etc., modifications and variations be will be readily apparent to persons skilled in the art.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in specification and execution mode utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (8)
1. for an isolating switch for transformer, it is characterized in that, comprising:
Housing;
Rotating mechanism, it can be rotatably set in described housing, and can relative to described housing into rotation;
Fixed contact, it is arranged in described housing, and described fixed contact comprises a quiet contact site, described quiet contact site is removably disposed on described fixed contact, the bottom of described fixed contact has the first groove, the top of described quiet contact site has the first limiting plate, and described first limiting plate is positioned at described first groove to be fixed on described fixed contact by described quiet contact site;
Moving contact, it is arranged in described housing, and described moving contact comprises a dynamic contact site, described dynamic contact site is removably disposed on described moving contact, the bottom of described moving contact has the second groove, the top of described dynamic contact site has the second limiting plate, and described second limiting plate is positioned at described second groove to be fixed on described moving contact by described dynamic contact site; And,
Connecting rod, its one end and described rotating mechanism pivot joint, and the other end and described moving contact pivot joint;
Wherein, described fixed contact, described quiet contact site, described moving contact and described dynamic contact site are made by electric conducting material, and when described rotating mechanism is relative to described housing into rotation, described connecting rod drives described moving contact to be separated with described fixed contact or to contact.
2., as claimed in claim 1 for the isolating switch of transformer, it is characterized in that, also comprise:
Counting equipment, it is connected with described rotating mechanism, to count the number of revolutions of described rotating mechanism; Wherein, when described rotating mechanism is relative to described housing into rotation, described connecting rod drives described moving contact to be separated with described fixed contact or to contact, and described counting equipment counting is separated or contacts once.
3., as claimed in claim 1 for the isolating switch of transformer, it is characterized in that, the cross section of described dynamic contact site is curved.
4., as claimed in claim 1 for the isolating switch of transformer, it is characterized in that, the cross section of described quiet contact site is curved.
5. as claimed in claim 2 for the isolating switch of transformer, it is characterized in that, described counting equipment is electronic counting equipment, described electronic counting equipment comprises microprocessor, memory, trigger sum counter, described microprocessor is connected respectively separately with described memory, described trigger and described counter, and described trigger is connected with described rotating mechanism described counting equipment is connected with described rotating mechanism.
6., as claimed in claim 2 for the isolating switch of transformer, it is characterized in that, also comprise:
Controller, it is connected respectively separately with described rotating mechanism and described counting equipment.
7., as claimed in claim 6 for the isolating switch of transformer, it is characterized in that, described rotating mechanism is also provided with rotating handle, and described rotating handle is connected with described controller.
8., as claimed in claim 1 for the isolating switch of transformer, it is characterized in that, described quiet contact site is made up of silver-nickel, and described dynamic contact site is made up of siller tin oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520627678.2U CN204991502U (en) | 2015-08-19 | 2015-08-19 | A isolator for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520627678.2U CN204991502U (en) | 2015-08-19 | 2015-08-19 | A isolator for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204991502U true CN204991502U (en) | 2016-01-20 |
Family
ID=55125844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520627678.2U Expired - Fee Related CN204991502U (en) | 2015-08-19 | 2015-08-19 | A isolator for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204991502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845474A (en) * | 2016-04-29 | 2016-08-10 | 合肥正日电气有限公司 | Protection switching device having obvious separating and closing identifier |
-
2015
- 2015-08-19 CN CN201520627678.2U patent/CN204991502U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845474A (en) * | 2016-04-29 | 2016-08-10 | 合肥正日电气有限公司 | Protection switching device having obvious separating and closing identifier |
| CN105845474B (en) * | 2016-04-29 | 2018-07-31 | 合肥正日电气有限公司 | Protection switching device with apparent divide-shut brake mark |
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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: 20160120 Termination date: 20190819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |