CN204045479U - Alternating-current high-voltage isolation switch - Google Patents
Alternating-current high-voltage isolation switch Download PDFInfo
- Publication number
- CN204045479U CN204045479U CN201420381598.9U CN201420381598U CN204045479U CN 204045479 U CN204045479 U CN 204045479U CN 201420381598 U CN201420381598 U CN 201420381598U CN 204045479 U CN204045479 U CN 204045479U
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- China
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- terminal block
- disconnecting link
- inlet wire
- outlet
- guide vane
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Abstract
The utility model discloses a kind of alternating-current high-voltage isolation switch, aim to provide a kind of safe and reliable alternating-current high-voltage isolation switch, its drip irrigation device is: comprise base, described base is provided with inlet wire insulation column and outlet insulation column, described inlet wire insulation column and outlet insulation column are respectively equipped with inlet wire terminal block and outlet terminal block, disconnecting link is provided with between described inlet wire terminal block and outlet terminal block, described disconnecting link is provided with retaining mechanism, described disconnecting link one end is articulated with on inlet wire terminal block, the other end is matched with outlet terminal block by retaining mechanism, described inlet wire terminal block is provided with holder, this holder is provided with spacing slot relative to disconnecting link side, described disconnecting link is provided with the guide vane end stop suitable with spacing slot, this guide vane end stop is by opening a sluice gate to be entrenched in spacing slot.
Description
Technical field
The utility model relates to a kind of isolating switch, and more particularly, it relates to a kind of alternating-current high-voltage isolation switch.
Background technology
Isolating switch uses maximum a kind of electrical equipment in high-voltage switch electric appliance, and the principles and structure of itself is fairly simple, but due to use amount large, functional reliability requires high, all larger on the impact of the design of electric substation, power plant, foundation and safe operation.The main feature of disconnecting link is without arc extinguishing ability, can only divide, closing circuit when not having load current.Isolating switch is used for each step voltage, is used as to change circuit and connects or make circuit or equipment and isolated from power, and it does not stop ability, can only operate after being disconnected by circuit with miscellaneous equipment again.The Main Function of isolating switch is after separating brake, sets up reliable clearance for insulation, separates needing the setting of maintenance or circuit and a power supply obvious cut-off point, to ensure the safety of maintainer and equipment.
A kind of Standard type single-phase isolating switch of traditional isolating switch as described in notification number CN202601489U, comprise base, two insulation columns, two terminal blocks, plug-in strip, described plug-in strip is provided with locker, described left terminal block is provided with the lock-bit plate coordinated with described locker, such isolating switch realizes stablizing after closing a floodgate by the cooperation between locker and lock-bit plate, reach the effect being not easy to disconnect, lack opening a sluice gate rear locking, open a sluice gate to be realized the clamping force of right terminal block by plug-in strip and plug-in strip can't be opened completely, reason be plug-in strip must and terminal block between have a good contact, loosen if open completely frequently to cause and then cause loose contact, plug-in strip easily naturally closes a floodgate under the effect of the non-external force such as deadweight or high wind under these circumstances, more unstable, potential safety hazard can be caused equally to maintainer, dangerous, unreliable.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of safe and reliable alternating-current high-voltage isolation switch.
For achieving the above object, the utility model provides following technical scheme: a kind of alternating-current high-voltage isolation switch, comprise base, described base is provided with inlet wire insulation column and outlet insulation column, described inlet wire insulation column and outlet insulation column are respectively equipped with inlet wire terminal block and outlet terminal block, disconnecting link is provided with between described inlet wire terminal block and outlet terminal block, described disconnecting link is provided with retaining mechanism, described disconnecting link one end is articulated with on inlet wire terminal block, the other end is matched with outlet terminal block by retaining mechanism, described inlet wire terminal block is provided with holder, this holder is provided with spacing slot relative to disconnecting link side, described disconnecting link is provided with the guide vane end stop suitable with spacing slot, this guide vane end stop is by opening a sluice gate to be entrenched in spacing slot.
By adopting technique scheme, this alternating-current high-voltage isolation switch is by holder, guide vane end stop and on holder, be provided with the spacing slot suitable with guide vane end stop arrange, when this isolating switch is opened a sluice gate, make it depart from outlet terminal block by the retaining mechanism on broaching tool lock and make the guide vane end stop on disconnecting link be coupled on spacing slot, realize the restriction that isolating switch is opened a sluice gate, solve the problem of easily naturally closing a floodgate under the effect of the non-external force such as deadweight or high wind at plug-in strip, improve stability to reach more secure when used, the reliable effect of isolating switch.
The utility model is set to further: described spacing slot comprises Plug Division and the limiting unit of mutual conduction, the relative holder side of described guide vane end stop is provided with stopper slot and this stopper slot is combined with limiting stand, be fixedly connected with back-moving spring between described limiting stand and stopper slot, described limiting stand can be given prominence to guide vane end stop surface and be placed in limiting unit.
By adopting technique scheme, position-limiting action after guide vane end stop and spacing slot coordinate is coupled in limiting unit by limiting stand and realizes, when opening a sluice gate, the limiting stand power effect that is squeezed is placed in until guide vane end stop is coupled in Plug Division in stopper slot, and limiting stand is given prominence to and is connected in limiting unit under the effect of back-moving spring restoring force, when closing a floodgate, firmly lobe retaining mechanism, limiting stand is squeezed in power effect retraction stopper slot again, to guarantee being separated of guide vane end stop and spacing slot, realizes closing a floodgate.
The utility model is set to further: wedge-like engagement between described limiting stand and described limiting unit.
By adopting technique scheme, the setting of wedge-like engagement between limiting stand and described limiting unit, guarantees that limiting stand can be squeezed in power effect retraction stopper slot again, reduces active force, convenient combined floodgate.
The utility model is set to further: the opposite side that described guide vane end stop limits platform is relatively provided with lozenges.
By adopt technique scheme, lozenges the inserting facilitated between guide vane end stop and spacing slot is set.
The utility model is set to further: described disconnecting link forms moving contact portion towards the one end on outlet insulation column, and for forming fixed contact towards one end of disconnecting link on outlet insulation column, moving contact, fixed contact all adopt the silver-plated formation of red copper.
By adopting technique scheme, contact position adopts red copper silver plating process, and it is better that electric conductivity makes product contact.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of alternating-current high-voltage isolation switch of the utility model.
In figure 1, base; 2, inlet wire insulation column; 3, outlet insulation column; 4, inlet wire terminal block; 5, outlet terminal block; 6, disconnecting link; 7, retaining mechanism; 8, holder; 10, guide vane end stop.
Embodiment
With reference to Fig. 1, a kind of alternating-current high-voltage isolation switch of the utility model is described further.
A kind of alternating-current high-voltage isolation switch, comprise base 1, described base 1 is provided with inlet wire insulation column 2 and outlet insulation column 3, described inlet wire insulation column 2 and outlet insulation column 3 are respectively equipped with inlet wire terminal block 4 and outlet terminal block 5, disconnecting link 6 is provided with between described inlet wire terminal block 4 and outlet terminal block 5, described disconnecting link 6 is provided with retaining mechanism 7, described disconnecting link 6 one end is articulated with on inlet wire terminal block 4, the other end is matched with outlet terminal block 5 by retaining mechanism 7, described inlet wire terminal block 4 is provided with holder 8, this holder 8 is provided with spacing slot in disconnecting link 6 side relatively, described disconnecting link 6 is provided with the guide vane end stop 10 suitable with spacing slot, this guide vane end stop 10 is by opening a sluice gate to be entrenched in spacing slot.
This alternating-current high-voltage isolation switch is by holder 8, guide vane end stop 10 and on holder 8, be provided with the spacing slot suitable with guide vane end stop 10 arrange, when this isolating switch is opened a sluice gate, make it depart from outlet terminal block 5 by the retaining mechanism 7 on broaching tool lock 6 and make the guide vane end stop 10 on disconnecting link 6 be coupled on spacing slot, realize the restriction that isolating switch is opened a sluice gate, solve the problem of easily naturally closing a floodgate under the effect of the non-external force such as deadweight or high wind at plug-in strip, improve stability to reach more secure when used, the reliable effect of isolating switch.
Described spacing slot comprises Plug Division and the limiting unit of mutual conduction, described guide vane end stop 10 is relatively provided with stopper slot and this stopper slot is combined with limiting stand in holder side, be fixedly connected with back-moving spring between described limiting stand and stopper slot, described limiting stand can be given prominence to guide vane end stop 10 surface and be placed in limiting unit.
Position-limiting action after guide vane end stop 10 and spacing slot coordinate is coupled in limiting unit by limiting stand and realizes, when opening a sluice gate, the limiting stand power effect that is squeezed is placed in stopper slot until guide vane end stop 10 is coupled in Plug Division, limiting stand is given prominence to and is connected in limiting unit under the effect of back-moving spring restoring force, when closing a floodgate, firmly lobe retaining mechanism 7, limiting stand is squeezed in power effect retraction stopper slot again, to guarantee being separated of guide vane end stop 10 and spacing slot, realize closing a floodgate.
Wedge-like engagement between described limiting stand and described limiting unit, the setting of wedge-like engagement between limiting stand and described limiting unit, guarantees that limiting stand can be squeezed in power effect retraction stopper slot again, reduces active force, convenient combined floodgate.(herein it is emphasized that: as long as it can also be that arc transition etc. can realize limiting stand and is squeezed in power effect retraction stopper slot that limiting stand and limiting unit are not limited to wedge-like engagement)
The opposite side of described guide vane end stop 10 relative limit platform is provided with lozenges, arranges by lozenges the inserting facilitated between guide vane end stop 10 and spacing slot.
Described disconnecting link 6 forms moving contact portion 61 towards the one end on outlet insulation column 3, and for forming fixed contact 31 towards one end of disconnecting link 6 on outlet insulation column 3, moving contact 61, fixed contact 31 all adopt the silver-plated formation of red copper.
By adopting technique scheme, contact position adopts red copper silver plating process, and it is better that electric conductivity makes product contact.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. an alternating-current high-voltage isolation switch, comprise base, described base is provided with inlet wire insulation column and outlet insulation column, described inlet wire insulation column and outlet insulation column are respectively equipped with inlet wire terminal block and outlet terminal block, disconnecting link is provided with between described inlet wire terminal block and outlet terminal block, described disconnecting link is provided with retaining mechanism, described disconnecting link one end is articulated with on inlet wire terminal block, the other end is matched with outlet terminal block by retaining mechanism, it is characterized in that: described inlet wire terminal block is provided with holder, this holder is provided with spacing slot relative to disconnecting link side, described disconnecting link is provided with the guide vane end stop suitable with spacing slot, this guide vane end stop is by opening a sluice gate to be entrenched in spacing slot.
2. a kind of alternating-current high-voltage isolation switch according to claim 1, it is characterized in that: described spacing slot comprises Plug Division and the limiting unit of mutual conduction, the relative holder side of described guide vane end stop is provided with stopper slot and this stopper slot is combined with limiting stand, be fixedly connected with back-moving spring between described limiting stand and stopper slot, described limiting stand can be given prominence to guide vane end stop surface and be placed in limiting unit.
3. a kind of alternating-current high-voltage isolation switch according to claim 2, is characterized in that: wedge-like engagement between described limiting stand and described limiting unit.
4. a kind of alternating-current high-voltage isolation switch according to claim 3, is characterized in that: the opposite side that described guide vane end stop limits platform is relatively provided with lozenges.
5. a kind of alternating-current high-voltage isolation switch according to claim 1 or 2 or 3 or 4, it is characterized in that: described disconnecting link forms moving contact portion towards the one end on outlet insulation column, for forming fixed contact towards one end of disconnecting link on outlet insulation column, moving contact, fixed contact all adopt the silver-plated formation of red copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381598.9U CN204045479U (en) | 2014-07-11 | 2014-07-11 | Alternating-current high-voltage isolation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381598.9U CN204045479U (en) | 2014-07-11 | 2014-07-11 | Alternating-current high-voltage isolation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204045479U true CN204045479U (en) | 2014-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420381598.9U Expired - Fee Related CN204045479U (en) | 2014-07-11 | 2014-07-11 | Alternating-current high-voltage isolation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204045479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111091995A (en) * | 2019-12-31 | 2020-05-01 | 甘肃新空间信息技术有限公司 | High-voltage isolating switch for power distribution cabinet |
-
2014
- 2014-07-11 CN CN201420381598.9U patent/CN204045479U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111091995A (en) * | 2019-12-31 | 2020-05-01 | 甘肃新空间信息技术有限公司 | High-voltage isolating switch for power distribution cabinet |
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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: 20141224 Termination date: 20170711 |