CN107146736A - The static contact structure of disconnecting switch in a kind of transformer - Google Patents
The static contact structure of disconnecting switch in a kind of transformer Download PDFInfo
- Publication number
- CN107146736A CN107146736A CN201710332699.5A CN201710332699A CN107146736A CN 107146736 A CN107146736 A CN 107146736A CN 201710332699 A CN201710332699 A CN 201710332699A CN 107146736 A CN107146736 A CN 107146736A
- Authority
- CN
- China
- Prior art keywords
- porcelain insulator
- static contact
- hole
- piston
- disconnecting 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
- H01H33/7023—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/94—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected solely due to the pressure caused by the arc itself or by an auxiliary arc
Abstract
The invention discloses a kind of static contact structure of disconnecting switch in transformer, including porcelain insulator, porcelain insulator top surface is provided with static contact, piston is slidably fitted with porcelain insulator, top land is connected with electric conductor, electric conductor lower end is connected with wire, wire is passed from porcelain insulator sidepiece, and wire traversing through end is grounded, vertical through hole is provided with the top of porcelain insulator, also through hole is provided with static contact, through hole is communicated with the through hole of porcelain insulator in static contact, and porcelain insulator, the lateral cross section of static contact through hole is matched with electric conductor lateral cross section respectively, the connection of porcelain insulator bottom is provided with magnetic valve, piston section below is connected by magnetic valve with outside liquid source in porcelain insulator.The present invention can effectively realize the arc extinguishing between dynamic and static contact, and be not in residual arc, improve the security that transformer is used.
Description
Technical field
The present invention relates to field transformer, the static contact structure of disconnecting switch in specifically a kind of transformer.
Background technology
Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, and main member is armature winding, secondary
Level winding and iron core, wherein armature winding, the line end of secondary windings need to connect binding post, be connected by binding post and other equipment
Connect.The break-make of circuit between transformer and load, and dynamic and static contact phase in disconnecting switch are realized in transformer using disconnecting switch
There are arcing problems when mutually departing from, prior art blocks electric arc typically by the way of air is blown out or insulator is broken, with
Arc-suppression function is realized, although this mode can effectively block electric arc and play arc extinguishing effect, the moment electric arc blocked is actually still
So exist, possess certain danger.
The content of the invention is existing to solve it is an object of the invention to provide a kind of static contact structure of disconnecting switch in transformer
The problem of having in technology transformer static contact isolation switch arc quenching method dangerous property.
In order to achieve the above object, the technical solution adopted in the present invention is：
The static contact structure of disconnecting switch in a kind of transformer, it is characterised in that：Including porcelain insulator, porcelain insulator top surface is provided with
Piston is slidably fitted with static contact, porcelain insulator, top land is connected with electric conductor straight up, and electric conductor lower end is connected with
Wire, the wire passes through piston and coiled in porcelain insulator and passed again from porcelain insulator sidepiece after some circles, and wire is worn
Go out the conductive body position of correspondence at the top of end ground connection, porcelain insulator and be provided with logical at the top of correspondence porcelain insulator in vertical through hole, static contact
Hole site is also provided with through hole, and concentrically axle is communicated the through hole of through hole and porcelain insulator in static contact, and porcelain insulator, static contact are logical
The lateral cross section in hole is matched with electric conductor lateral cross section respectively, is connected with to be enclosed between piston and the porcelain insulator inner top and is led
The external spring of electricity, the connection of porcelain insulator bottom be provided with magnetic valve, porcelain insulator piston section below by magnetic valve with
Outside liquid source connection.
The static contact structure of disconnecting switch in a kind of described transformer, it is characterised in that：The electric conductor top is set to
Tip.
The static contact structure of disconnecting switch in a kind of described transformer, it is characterised in that：Wire is penetrated in the piston
With pass position respectively by sealant sealing.
The static contact structure of disconnecting switch in a kind of described transformer, it is characterised in that：The porcelain insulator sidepiece is led
Line passes position and passes through sealant sealing.
The static contact structure of disconnecting switch in a kind of described transformer, it is characterised in that：Insulation below the piston
Liquid can be filled with porcelain vase in advance.
The static contact structure of disconnecting switch in a kind of described transformer, it is characterised in that：The liquid is gas liquid,
Or transformer oil.
In the present invention, when moving contact and static contact are mutually disengaged generation electric arc, porcelain insulator middle position is made by magnetic valve
Part below piston is passed through liquid, piston upwards to conductive pole is passed from static contact through hole, by suitable
Parameter designing can be such that conductive pole is flushed with stationary contact grease head highness highest point, and the electric arc of generation is introduced into wire using conductive pole, then
Electric arc is introduced to by ground by wire, arc-suppression function can be effectively realized, and be not in residual arc.After arc extinguishing, pass through
Magnetic valve discharges liquid, and piston resets under spring action
In the present invention, conductive pole top design is tip, can improve the attraction power to electric arc, play good arc leading and suppressing work(
Energy.
In the present invention, wire penetrates from piston and passes position, position is passed from porcelain insulator respectively by sealant sealing,
To form confined space in the porcelain insulator below piston.
In the present invention, in the porcelain insulator below piston can preliminary filling enter liquid, by liquid support piston, while can improve
The respond of piston.
In the present invention, liquid can separately use gas liquid, or directly using original transformer oil in transformer, using change
Depressor oil can reduce use cost.
The present invention can effectively realize the arc extinguishing between dynamic and static contact, and be not in residual when disconnecting switch disconnects
Electric arc, improves the security that transformer is used.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Structural representation when Fig. 2 is arc extinguishing of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, in a kind of transformer disconnecting switch static contact structure, including porcelain insulator 1, porcelain insulator
1 top surface is provided with static contact 2, porcelain insulator 1 and is slidably fitted with piston 3, and the top vertical of piston 3 has connected up electric conductor 4, led
The electric lower end of body 4 is connected with wire 5, and wire 5 is through piston 3 and is coiled in porcelain insulator 1 after some circles again from the side of porcelain insulator 1
Portion is passed, and the traversing through end of wire 5 is grounded, and the top of porcelain insulator 1 correspondence electric conductor 4 position is provided with vertical through hole 6, static contact 2
During the position of 1 top through hole of middle correspondence porcelain insulator 6 is also provided with the through hole 6 of through hole 7 and porcelain insulator 1 in through hole 7, static contact 2 altogether
Heart axle is communicated, and porcelain insulator 1, the lateral cross section of the through hole 6,7 of static contact 2 are matched with the lateral cross section of electric conductor 4 respectively, piston 3
The spring 8 being enclosed on outside electric conductor 4 is connected between the inner top of porcelain insulator 1, the connection of the bottom of porcelain insulator 1 is provided with magnetic valve
9, the section below of piston 3 is connected by magnetic valve 9 with outside liquid source in porcelain insulator 1.
The top of electric conductor 4 is set to tip.
Wire 5 penetrates and passed position respectively by sealant sealing in piston 3.
The sidepiece wire 5 of porcelain insulator 1 passes position and passes through sealant sealing.
Liquid 10 can be filled with advance in the porcelain insulator 1 of the lower section of piston 3.
Liquid 10 is gas liquid, or transformer oil.
Claims (6)
1. the static contact structure of disconnecting switch in a kind of transformer, it is characterised in that：Including porcelain insulator, porcelain insulator top surface is set
Have and piston is slidably fitted with static contact, porcelain insulator, top land is connected with electric conductor, the connection of electric conductor lower end straight up
There is wire, the wire passes through piston and coiled in porcelain insulator and passed again from porcelain insulator sidepiece after some circles, and wire
Traversing through end is grounded, and the conductive body position of correspondence is provided with vertical through hole, static contact at the top of correspondence porcelain insulator at the top of porcelain insulator
Lead to the hole site is also provided with through hole, and concentrically axle is communicated the through hole of through hole and porcelain insulator in static contact, and porcelain insulator, static contact
The lateral cross section of through hole is matched with electric conductor lateral cross section respectively, is connected with and is enclosed between piston and the porcelain insulator inner top
Conductive external spring, porcelain insulator bottom connection is provided with piston section below in magnetic valve, porcelain insulator and passes through magnetic valve
It is connected with outside liquid source.
2. the static contact structure of disconnecting switch in a kind of transformer according to claim 1, it is characterised in that：The conduction
Body top is set to tip.
3. the static contact structure of disconnecting switch in a kind of transformer according to claim 1, it is characterised in that：The piston
Middle wire penetrates and passed position respectively by sealant sealing.
4. the static contact structure of disconnecting switch in a kind of transformer according to claim 1, it is characterised in that：The insulation
Porcelain vase sidepiece wire passes position and passes through sealant sealing.
5. the static contact structure of disconnecting switch in a kind of transformer according to claim 1, it is characterised in that：The piston
Liquid can be filled with the porcelain insulator of lower section in advance.
6. the static contact structure of disconnecting switch in a kind of transformer according to claim 1, it is characterised in that：The liquid
For gas liquid, or transformer oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710332699.5A CN107146736A (en) | 2017-05-12 | 2017-05-12 | The static contact structure of disconnecting switch in a kind of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710332699.5A CN107146736A (en) | 2017-05-12 | 2017-05-12 | The static contact structure of disconnecting switch in a kind of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107146736A true CN107146736A (en) | 2017-09-08 |
Family
ID=59777737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710332699.5A Pending CN107146736A (en) | 2017-05-12 | 2017-05-12 | The static contact structure of disconnecting switch in a kind of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107146736A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111863515A (en) * | 2020-06-19 | 2020-10-30 | 杨文先 | Emergency treatment device for arc extinguish chamber contact piece of vacuum contactor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4026523A (en) * | 1975-07-07 | 1977-05-31 | Jean Louis Gratzmuller | Hydraulic jacks |
| CN1521789A (en) * | 2003-02-14 | 2004-08-18 | ������������ʽ���� | Fluid pressure operating apparatus for circuit breaker |
| CN101887824A (en) * | 2009-05-13 | 2010-11-17 | 武汉特试特电气有限公司 | Oil immersed high-voltage relay |
| CN206022215U (en) * | 2016-09-22 | 2017-03-15 | 黑龙江省电力科学研究院 | Vacuum pressure formula arc protection primary cut-out |
-
2017
- 2017-05-12 CN CN201710332699.5A patent/CN107146736A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4026523A (en) * | 1975-07-07 | 1977-05-31 | Jean Louis Gratzmuller | Hydraulic jacks |
| CN1521789A (en) * | 2003-02-14 | 2004-08-18 | ������������ʽ���� | Fluid pressure operating apparatus for circuit breaker |
| CN101887824A (en) * | 2009-05-13 | 2010-11-17 | 武汉特试特电气有限公司 | Oil immersed high-voltage relay |
| CN206022215U (en) * | 2016-09-22 | 2017-03-15 | 黑龙江省电力科学研究院 | Vacuum pressure formula arc protection primary cut-out |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111863515A (en) * | 2020-06-19 | 2020-10-30 | 杨文先 | Emergency treatment device for arc extinguish chamber contact piece of vacuum contactor |
| CN111863515B (en) * | 2020-06-19 | 2022-07-22 | 晨诺电气科技集团有限公司 | Vacuum contactor's explosion chamber contact piece emergency treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170908 |