CN205104417U - Outdoor interchange high voltage isolator of face contact - Google Patents
Outdoor interchange high voltage isolator of face contact Download PDFInfo
- Publication number
- CN205104417U CN205104417U CN201520839429.XU CN201520839429U CN205104417U CN 205104417 U CN205104417 U CN 205104417U CN 201520839429 U CN201520839429 U CN 201520839429U CN 205104417 U CN205104417 U CN 205104417U
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- contact
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- fixed contact
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Abstract
The utility model discloses an outdoor interchange high voltage isolator of face contact, including the insulator, fix movable contact base and stationary contact headstock on the insulator, the static contact is fixed on the stationary contact headstock, and the moving contact is fixed on movable contact base, still includes the uide bushing, the inboard at the uide bushing is fixed to the static contact, the static contact is two sets of, and give first place to respectively static contact and vice static contact are sliding fit between main static contact and vice static contact, main static contact is fixed on the stationary contact headstock, the stationary contact headstock is connected with binding post, the moving contact coupling is the face contact at the other one end of uide bushing, moving contact with the static contact. The utility model has the advantages that: owing to adopted the face contact, increased area of contact, reduced the resistance of contact surface, consequently, guarantee the smooth flow of electric current, prevent phenomenons such as spark discharge, owing to adopt moving contact and static contact direct contact's structure, the contact of having avoided moving contact and static contact to bring through the technique of other conductors intercommunications is too much to contact insecure shortcoming.
Description
Technical field
The utility model relates to power equipment, especially relates to a kind of high voltage isolator.
Background technology
The typical structure of existing outdoor high-voltage isolating switch is that binding post passes through movable conductor connection, as Chinese Patent Application No. 201020678544.0, its structure be " a kind of outdoor AC high-voltage isolating switch, comprise outlet board and lower outlet board, upper outlet board and lower outlet board are separately fixed on two insulators, connect a movable touch knife by connecting axle on lower outlet board, movable touch knife is rotationally connected upper outlet board centered by connecting axle, described upper outlet board is provided with upper cutter head, described upper cutter head and described upper outlet board are in being bent upwards setting, described lower outlet board is provided with lower tool rest, described lower tool rest and described lower outlet board are in being bent upwards setting, it is characterized in that, described movable touch knife comprises two plug-in strip plates, described two plug-in strip plates are linked together by described connecting axle and pivot pin, the two ends of described connecting axle and pivot pin are respectively equipped with pillow block, it is arranged in parallel that described two plug-in strip plates are close to pillow block by the spring forces being arranged on described connecting axle and pivot pin outer end, described two plug-in strip plates are provided with operating grip, the width of described upper cutter head and lower tool rest is greater than the distance between two plug-in strip plates."; there is following shortcoming in this structure: 1. the contact of moving contact and fixed contact is face-linear contact lay; because contact area is little; easily produce larger resistance, especially after long-time running, due to the impact of sparkover; produce oxide-film and carbonized film at contact-making surface place; cause local electrical resistance to increase, more easily cause sparkover during combined floodgate, form vicious circle thus; 2. face structure directly because moving contact employing is two, two both sides faced directly arrange spring to ensure the close contact of moving contact and fixed contact, and spring is many groups; After long-time running, because two moving contact faced directly unavoidably produces certain distortion, cause the pressure often organizing spring uneven, therefore, the reliable contacts of moving contact and fixed contact can not be ensured.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of face-face contact, and ensures the reliable isolating switch of contact all the time, and concrete scheme is as follows:
A kind of face contact outdoor AC high-voltage isolating switch, comprises insulator, fixes movable contact block on the insulator and fixed contact pedestal, fixed contact is fixed on fixed contact pedestal, moving contact is fixed on movable contact block, it is characterized in that: also comprise fairlead, and described fixed contact is fixed on the inner side of fairlead; Described fixed contact is two groups, is respectively main fixed contact and secondary fixed contact, for being slidably matched between main fixed contact and secondary fixed contact; Main fixed contact is fixed on fixed contact pedestal; Fixed contact pedestal is connected with binding post; Moving contact is coupling in other one end of fairlead, and moving contact and fixed contact are that face contacts.
The end face of described moving contact comprise with fixed contact contact portion and with fixed contact not contact portion, the described thickness being greater than fixed contact not contact portion with the thickness of fixed contact contact portion.
The side of described main fixed contact and secondary fixed contact arranges boss, and the side of described moving contact arranges groove, described boss and described groove fit.
Described boss is semicircle ball-type, and described groove is strip.
Described main fixed contact arranges slot, and described secondary fixed contact inserts in described slot.
Between described main fixed contact and secondary fixed contact, bolt nut structure is set, spring is set between the end of bolt and secondary fixed contact.
The diameter of the end of described bolt equals the thickness at the axis hole place of moving contact.
The varied in thickness place of described moving contact arranges moving contact inclined-plane, and the varied in thickness place of fixed contact arranges fixed contact inclined-plane.
The utility model has the advantages that: owing to have employed face contact, add contact area, reduce the resistance of contact-making surface, therefore, ensure that the smooth flow of electric current, prevent the phenomenons such as sparkover; In addition, owing to adopting the structure that directly contacts with fixed contact of moving contact, avoid contact that moving contact and fixed contact brought by the technology that other conductors are communicated with too much, and contact insecure shortcoming.
Accompanying drawing explanation
Fig. 1 is the structural representation that moving contact contacts with fixed contact;
Fig. 2 is the fixed structure schematic diagram of fixed contact and insulator;
Fig. 3 is the cross sectional shape schematic diagram of moving contact;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the inserting slot construction schematic diagram of main fixed contact and secondary fixed contact;
In figure, 1 is moving contact, and 2 is main fixed contact, and 3 is secondary fixed contact, 4 is fairlead, and 5 is the bolt that is coupling, and 6 is hold-down bolt, and 7 is spring, 8 is fixed contact inclined-plane, and 9 is moving contact inclined-plane, and 10 is main fixed contact bottom, 11 is insulator, and 12 is boss, and 13 is bolt, 15 is moving contact axis hole, and 16 is groove, and 17 are and fixed contact not contact portion, 18 are and fixed contact contact portion, and 19 is slot, and 20 is the lower end of secondary fixed contact.
Embodiment
The utility model is illustrated below in conjunction with accompanying drawing, as shown in Figure 1, the utility model comprises insulator 11, be fixed on the movable contact block on insulator 11 and fixed contact pedestal, fixed contact is fixed on fixed contact pedestal, moving contact 1 is fixed on movable contact block, also comprises fairlead 4, and described fixed contact is fixed on the inner side of fairlead 4; Described fairlead is the plate-like structure that insulating material is made; Described fixed contact is two groups, is respectively main fixed contact 2 and secondary fixed contact 3, for being slidably matched between main fixed contact 2 and secondary fixed contact 3; Concrete sliding matching mode can have a variety of, such as, the lower end of main fixed contact 2 arranges slot 19, the lower end 20 of secondary fixed contact is inserted in described slot 19, it can also be the structure shown in Fig. 2, between main fixed contact 2 and secondary fixed contact 3, bolt nut structure is set, secondary fixed contact bottom 20 arranges chute, at bolt 13 through described chute, between the end of bolt 13 and secondary fixed contact bottom 20, spring 7 is set, like this, under spring force, between main fixed contact 2 with secondary fixed contact 3 for be slidably matched and holding surface contact;
Main fixed contact 2 is fixed on fixed contact pedestal; Fixed contact pedestal is connected with binding post; Moving contact 2 is coupling in other one end of fairlead 4, to be coupling bolt 5 and spring 7 in the place's of being coupling setting, hold-down bolt 6 and spring 7 are set in one end of fixed contact, like this, under spring force, two side planes of fairlead 4 compress mutually, and then drive together with moving contact is tightly connected to mutually with fixed contact, are face contact.
The end face of described moving contact 2 comprise with fixed contact contact portion 18 and with fixed contact not contact portion 17, the described thickness being greater than fixed contact not contact portion 17 with the thickness of fixed contact contact portion 18.The benefit done like this is that an inclined-plane is arranged in the bottom of moving contact, has guide effect.
For ensureing the locking of moving contact and fixed contact, the side of described main fixed contact 2 and secondary fixed contact 3 arranges boss 12, and the side of described moving contact 1 arranges groove 16, and described boss 12 coordinates with described groove 16.
Described boss 12 is semicircle ball-type, and described groove 16 is strip.
The diameter of the end of described 13 bolts equals the thickness at the axis hole place of moving contact; The setting of this size can ensure that the distance between fixed contact can not be too small when moving contact does not contact with fixed contact, in order to avoid bring moving contact to insert difficulty.
For proof strength and insert smooth and easy, the varied in thickness place of described moving contact arranges moving contact inclined-plane 9, and the varied in thickness place of fixed contact arranges fixed contact inclined-plane 8.
Claims (1)
1. a face contact outdoor AC high-voltage isolating switch, comprise insulator, fix movable contact block on the insulator and fixed contact pedestal, fixed contact is fixed on fixed contact pedestal, moving contact is fixed on movable contact block, it is characterized in that: also comprise fairlead, described fixed contact is fixed on the inner side of fairlead; Described fixed contact is two groups, is respectively main fixed contact and secondary fixed contact, for being slidably matched between main fixed contact and secondary fixed contact; Main fixed contact is fixed on fixed contact pedestal; Fixed contact pedestal is connected with binding post; Moving contact is coupling in other one end of fairlead, and moving contact and fixed contact are that face contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520839429.XU CN205104417U (en) | 2015-10-26 | 2015-10-26 | Outdoor interchange high voltage isolator of face contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520839429.XU CN205104417U (en) | 2015-10-26 | 2015-10-26 | Outdoor interchange high voltage isolator of face contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205104417U true CN205104417U (en) | 2016-03-23 |
Family
ID=55520178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520839429.XU Active CN205104417U (en) | 2015-10-26 | 2015-10-26 | Outdoor interchange high voltage isolator of face contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205104417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106611676A (en) * | 2015-10-26 | 2017-05-03 | 辽宁华隆电力科技股份有限公司 | Surface-contact outdoor AC high-voltage disconnecting switch |
-
2015
- 2015-10-26 CN CN201520839429.XU patent/CN205104417U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106611676A (en) * | 2015-10-26 | 2017-05-03 | 辽宁华隆电力科技股份有限公司 | Surface-contact outdoor AC high-voltage disconnecting switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |