CN203277183U - Outdoor AC high-voltage disconnecting switch - Google Patents
Outdoor AC high-voltage disconnecting switch Download PDFInfo
- Publication number
- CN203277183U CN203277183U CN 201320299358 CN201320299358U CN203277183U CN 203277183 U CN203277183 U CN 203277183U CN 201320299358 CN201320299358 CN 201320299358 CN 201320299358 U CN201320299358 U CN 201320299358U CN 203277183 U CN203277183 U CN 203277183U
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- fixed contact
- plug
- movable touch
- outdoor
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Abstract
The utility model discloses an outdoor AC high-voltage disconnecting switch. Main points of the technical scheme are that the outdoor AC high-voltage isolator comprises a base, two isolators disposed on the base, an upper outgoing line board and a lower outgoing line board respectively disposed on the two isolators. The upper outgoing line board is provided with a fixed contact, and the lower outgoing line board is provided with a movable contact. A movable contact blade is rotatably connected with the movable contact with a rotating shaft as a center. The movable contact blade comprises two switch blade plates, and the two switch blade plates are connected through a connecting shaft. A distance between the switch blade plates is smaller than thickness of the fixed contact. Edges of the switch blade plates are arc structures. An edge of the fixed contact corresponding to the switch blade plate is in the arc structure. A contact of the fixed contact and the movable contact blade is provided with a silvered film. The connecting shaft is provided with a holddown spring used to compress the two switch blade plates. The high voltage disconnecting switch improves structure of the contacts and the switch blade plate, thereby ensuring accuracy and reliability of the disconnecting switch when switching and closing a brake, and preventing contact fault caused by abrasion of the contacts.
Description
Technical field
The utility model relates to a kind of switch, is specifically related to a kind of outdoor AC high-voltage isolating switch.
Background technology
Isolating switch is to use maximum a kind of electrical equipment in high-tension apparatus, and because use amount is large, functional reliability requires high, and is very large on design, foundation and the safe operation impact of electric substation.What traditional outdoor AC high-voltage isolating switch adopted is the mode that movable touch knife suppresses, its elasticity is that self rigidity of utilizing that two spacings between the plug-in strip plate form less than fixed contact realizes, repeatedly open and close close after due to the fatigue properties of movable touch knife material and structure, loose contact can appear, the problem that the poor reliability of deciliter action occurs, therefore parts just require frequent maintenance and replacement, and because the design of plug-in strip plate and fixed contact is unreasonable, often cause the difficulty of closing a floodgate, cause contact abrasion even to damage.
The utility model content
Deficiency for the prior art existence, the utility model provides a kind of outdoor AC high-voltage isolating switch, this outdoor AC high-voltage isolating switch has improved the structure of contact and plug-in strip plate, guarantees accuracy and the reliability of isolating switch when divide-shut brake, avoids contact abrasion to cause contact fault.
for achieving the above object, the utility model provides following technical scheme: a kind of outdoor AC high-voltage isolating switch, comprise base, be arranged on two insulators on base, be separately positioned on upper outlet board and lower outlet board on two insulators, be provided with fixed contact on described upper outlet board, be provided with moving contact on described lower outlet board, described moving contact is connected with movable touch knife by rotation axis, described movable touch knife is rotationally connected with moving contact centered by rotation axis, movable touch knife comprises two plug-in strip plates, described two plug-in strip plates connect by connecting axle, spacing between the plug-in strip plate is less than the thickness of fixed contact, described plug-in strip panel edges is arc-shaped structure, the described fixed contact edge corresponding with the plug-in strip plate is arc-shaped structure.
by adopting technique scheme, what this isolating switch adopted guillotine type structure deciliter movable touch knife and fixed contact contacts to reach cut-out and closed circuit, movable touch knife comprises two plug-in strip plates, the plug-in strip plate connects by connecting axle, be electrically connected to the tight of fixed contact in order to ensure movable touch knife, spacing between two plug-in strip plates of necessary control is less than the thickness of fixed contact, when closing a floodgate, fixed contact inserts between two plug-in strip plates, two plug-in strip plates are strutted, and the contact edge of fixed contact and plug-in strip plate is round edge, has certain chamfering on contact edge, round edge has the guidance quality effect when fixed contact contacts with the plug-in strip plate, when making combined floodgate, movable touch knife is connected more smooth and easy with the contact of fixed contact, can not produce too many collision and wearing and tearing, guarantee accuracy and the reliability of isolating switch when divide-shut brake, avoid contact abrasion to cause contact fault.
The utility model further is set to, and the contact-making surface of described fixed contact and movable touch knife is provided with silver coating.
By adopting technique scheme, the contact-making surface of fixed contact and movable touch knife is provided with silver-plated, strengthen the electric conductivity of fixed contact and movable touch knife, guarantee that major loop resistance is lower, reduce the heating of contact portion, contact can not generate heat because electric current is overheated thawing, burn or cause indenture, extend its useful life.
The utility model further is set to, and is provided with the holddown spring that compresses two plug-in strip plates on described connecting axle.
By adopting technique scheme, be provided with the holddown spring that compresses two plug-in strip plates on connecting axle, give two pressure that the plug-in strip plate is certain by holddown spring, guarantee two spacings between the plug-in strip plate less than the thickness of fixed contact, when closing a floodgate, make moving contact tightr with being electrically connected to of fixed contact, avoid loose contact, guarantee the contact between movable touch knife and fixed contact, make contact resistance lower, reliable.
The utility model further is set to, and described movable touch knife is provided with self-locking device contacting a side with fixed contact.
By adopting technique scheme, because isolating switch is generally to be inverted and installs, be base up, movable touch knife is installed down, movable touch knife is provided with self-locking device contacting a side with fixed contact, during the isolating switch separating brake, fastens self-locking device by insulation structure rod, pull from making device to the separating brake direction, untie and drive the movable touch knife that is attached thereto after self-locking device and realize the separating brake action; During combined floodgate, the insulated hook rod withstands from making device and drives the movable touch knife rotation, and when making movable touch knife turn to closing position, this moment, self-locking device was locked in closing position with movable touch knife, avoid isolating switch mistake separating brake phenomenon to occur in the course of the work, make the equipment operation more reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model outdoor AC high-voltage isolating switch;
Fig. 2 is the schematic diagram of the utility model movable touch knife and fixed contact;
Fig. 3 is the vertical view of the utility model outdoor AC high-voltage isolating switch.
Reference numeral: 1, base; 2, insulator; 31, upper outlet board; 32, lower outlet board; 41, fixed contact; 42, moving contact; 5, rotation axis; 6, movable touch knife; 7, connecting axle; 8, self-locking device; 9, holddown spring.
Embodiment
Referring to figs. 1 through Fig. 3, the utility model outdoor AC high-voltage isolating switch embodiment is described further.
a kind of outdoor AC high-voltage isolating switch, comprise base 1, be arranged on two insulators 2 on base 1, be separately positioned on upper outlet board 31 and lower outlet board 32 on two insulators 2, be provided with fixed contact 41 on upper outlet board 31, be provided with moving contact 42 on lower outlet board 32, moving contact 42 is connected with movable touch knife 6 by rotation axis 5, movable touch knife 6 is rotationally connected with moving contact 42 centered by rotation axis 5, movable touch knife 6 comprises two plug-in strip plates, two plug-in strip plates connect by connecting axle 7, spacing between the plug-in strip plate is less than the thickness of fixed contact 41, the plug-in strip panel edges is arc-shaped structure, fixed contact 41 edge corresponding with the plug-in strip plate is arc-shaped structure.
by adopting technique scheme, what this isolating switch adopted guillotine type structure deciliter movable touch knife 6 and fixed contact 41 contacts to reach cut-out and closed circuit, movable touch knife 6 comprises two plug-in strip plates, the plug-in strip plate connects by connecting axle 7, be electrically connected to the tight of fixed contact 41 in order to ensure movable touch knife 6, spacing between two plug-in strip plates of necessary control is less than the thickness of fixed contact 41, when closing a floodgate, fixed contact 41 inserts between two plug-in strip plates, two plug-in strip plates are strutted, and the contact edge of fixed contact 41 and plug-in strip plate is round edge, has certain chamfering on contact edge, round edge has the guidance quality effect when fixed contact 41 contacts with the plug-in strip plate, when making combined floodgate, movable touch knife 6 is connected more smooth and easy with the contact of fixed contact 41, can not produce too many collision and wearing and tearing, guarantee accuracy and the reliability of isolating switch when divide-shut brake, avoid contact abrasion to cause contact fault.
Described fixed contact 41 is provided with silver coating with the contact-making surface of movable touch knife 6.
By adopting technique scheme, fixed contact 41 is provided with silver-plated with the contact-making surface of movable touch knife 6, strengthen the electric conductivity of fixed contact 41 and movable touch knife 6, guarantee that major loop resistance is lower, reduce the heating of contact portion, contact can not generate heat because electric current is overheated thawing, burn or cause indenture, extend its useful life.
Be provided with the holddown spring 9 that compresses two plug-in strip plates on described connecting axle 7.
By adopting technique scheme, be provided with the holddown spring 9 that compresses two plug-in strip plates on connecting axle 7, give two pressure that the plug-in strip plate is certain by holddown spring 9, guarantee two spacings between the plug-in strip plate less than the thickness of fixed contact 41, when closing a floodgate, make moving contact 42 tightr with being electrically connected to of fixed contact 41, avoid loose contact, guarantee the contact between movable touch knife 6 and fixed contact 41, make contact resistance lower, reliable.
Described movable touch knife 6 is provided with self-locking device 8 contacting a side with fixed contact 41.
By adopting technique scheme, because isolating switch is generally to be inverted and installs, be base 1 up, movable touch knife 6 is installed down, movable touch knife 6 is provided with self-locking device 8 contacting a side with fixed contact 41, during the isolating switch separating brake, fastens self-locking device 8 by insulation structure rod, pull from making device to the separating brake direction, untie the movable touch knife 6 that the rear drive of self-locking device 8 is attached thereto and realize the separating brake action; During combined floodgate, the insulated hook rod withstands from making device and drives movable touch knife 6 rotations, and when making movable touch knife 6 turn to closing position, this moment, self-locking device 8 was locked in closing position with movable touch knife 6, avoid isolating switch mistake separating brake phenomenon to occur in the course of the work, make the equipment operation more reliable.
The above is only preferred implementation of the present utility model, and protection range of the present utility model also not only is confined to above-described embodiment, and all technical schemes that belongs under the utility model thinking all belong to protection range of the present utility model.Should be pointed out that for those skilled in the art, in the some improvements and modifications that do not break away under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. outdoor AC high-voltage isolating switch, comprise base, be arranged on two insulators on base, be separately positioned on upper outlet board and lower outlet board on two insulators, be provided with fixed contact on described upper outlet board, be provided with moving contact on described lower outlet board, described moving contact is connected with movable touch knife by rotation axis, described movable touch knife is rotationally connected with moving contact centered by rotation axis, movable touch knife comprises two plug-in strip plates, described two plug-in strip plates connect by connecting axle, spacing between the plug-in strip plate is less than the thickness of fixed contact, it is characterized in that: described plug-in strip panel edges is arc-shaped structure, the described fixed contact edge corresponding with the plug-in strip plate is arc-shaped structure.
2. a kind of outdoor AC high-voltage isolating switch according to claim 1, it is characterized in that: the contact-making surface of described fixed contact and movable touch knife is provided with silver coating.
3. a kind of outdoor AC high-voltage isolating switch according to claim 2, is characterized in that: be provided with the holddown spring that compresses two plug-in strip plates on described connecting axle.
4. a kind of outdoor AC high-voltage isolating switch according to claim 3 is characterized in that: described movable touch knife is provided with self-locking device contacting a side with fixed contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320299358 CN203277183U (en) | 2013-05-28 | 2013-05-28 | Outdoor AC high-voltage disconnecting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320299358 CN203277183U (en) | 2013-05-28 | 2013-05-28 | Outdoor AC high-voltage disconnecting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203277183U true CN203277183U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320299358 Expired - Fee Related CN203277183U (en) | 2013-05-28 | 2013-05-28 | Outdoor AC high-voltage disconnecting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203277183U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681079A (en) * | 2013-12-22 | 2014-03-26 | 广西和谐电力科技有限公司 | High-voltage isolating switch |
| CN103700535A (en) * | 2013-12-22 | 2014-04-02 | 广西和谐电力科技有限公司 | High-voltage cutoff switch |
| CN107301929A (en) * | 2016-04-14 | 2017-10-27 | 国网辽宁省电力有限公司营口供电公司 | A kind of switch fixed contact structure |
| CN108538677A (en) * | 2018-06-19 | 2018-09-14 | 浙江紫光电器有限公司 | A kind of disconnecting switch |
| CN108933058A (en) * | 2018-05-04 | 2018-12-04 | 杨维雄 | A kind of high-power disconnecting switch with grounding function of middle pressure alternating current-direct current |
| CN109786169A (en) * | 2018-12-28 | 2019-05-21 | 国家电网公司 | New distribution net isolation switch |
| CN110137019A (en) * | 2019-06-28 | 2019-08-16 | 瓯越电力科技有限公司 | A kind of movable touch knife device and its disconnecting switch |
| CN113871245A (en) * | 2021-10-22 | 2021-12-31 | 文世彬 | Outdoor high-voltage closed isolating switch with temperature measuring, switching-on indication and power assisting functions |
-
2013
- 2013-05-28 CN CN 201320299358 patent/CN203277183U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681079A (en) * | 2013-12-22 | 2014-03-26 | 广西和谐电力科技有限公司 | High-voltage isolating switch |
| CN103700535A (en) * | 2013-12-22 | 2014-04-02 | 广西和谐电力科技有限公司 | High-voltage cutoff switch |
| CN107301929A (en) * | 2016-04-14 | 2017-10-27 | 国网辽宁省电力有限公司营口供电公司 | A kind of switch fixed contact structure |
| CN108933058A (en) * | 2018-05-04 | 2018-12-04 | 杨维雄 | A kind of high-power disconnecting switch with grounding function of middle pressure alternating current-direct current |
| CN108933058B (en) * | 2018-05-04 | 2023-11-28 | 金晓亮 | Medium-voltage alternating-current and direct-current high-power isolating switch with grounding function |
| CN108538677A (en) * | 2018-06-19 | 2018-09-14 | 浙江紫光电器有限公司 | A kind of disconnecting switch |
| CN108538677B (en) * | 2018-06-19 | 2024-04-16 | 浙江紫光电器有限公司 | Isolation switch |
| CN109786169A (en) * | 2018-12-28 | 2019-05-21 | 国家电网公司 | New distribution net isolation switch |
| CN109786169B (en) * | 2018-12-28 | 2024-03-01 | 国家电网公司 | Disconnecting switch of power distribution network |
| CN110137019A (en) * | 2019-06-28 | 2019-08-16 | 瓯越电力科技有限公司 | A kind of movable touch knife device and its disconnecting switch |
| CN113871245A (en) * | 2021-10-22 | 2021-12-31 | 文世彬 | Outdoor high-voltage closed isolating switch with temperature measuring, switching-on indication and power assisting functions |
| CN113871245B (en) * | 2021-10-22 | 2024-04-19 | 文世彬 | Outdoor high-voltage closed isolating switch with closing indication and power assisting functions for temperature measurement |
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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: 20131106 Termination date: 20150528 |
|
| EXPY | Termination of patent right or utility model |