CN107240519A - A kind of tri-station isolating switch - Google Patents
A kind of tri-station isolating switch Download PDFInfo
- Publication number
- CN107240519A CN107240519A CN201710647626.5A CN201710647626A CN107240519A CN 107240519 A CN107240519 A CN 107240519A CN 201710647626 A CN201710647626 A CN 201710647626A CN 107240519 A CN107240519 A CN 107240519A
- Authority
- CN
- China
- Prior art keywords
- static contact
- insulating cylinder
- contact
- isolation
- tri
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
-
- 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
- H01H33/02—Details
-
- 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
- H01H33/02—Details
- H01H33/42—Driving mechanisms
Landscapes
- Elimination Of Static Electricity (AREA)
- Push-Button Switches (AREA)
Abstract
The present invention proposes a kind of tri-station isolating switch, including moving contact, operating mechanism and the isolation static contact being obliquely installed successively from top to bottom, middle static contact and grounding static contact, the operating mechanism and an insulation spindle are connected, transmission component is provided between the insulation spindle and moving contact, the moving contact, which is arranged in the middle static contact, to be moved up and down under insulation spindle drive in the middle static contact, for being connected with isolation static contact or the grounding static contact, the first insulating cylinder is connected between the isolation static contact and middle static contact, make isolation static contact and middle static contact center line on the same line, the middle static contact with it is described isolate the second insulating cylinder is connected between static contact, the middle static contact is set to be located along the same line with isolating static contact center line.The problem of center line can not be collinearly between 3 static contacts when solving disconnecting switch assembling in the prior art by the present invention.
Description
Technical field
Construction of switch is separated the present invention relates to a kind of three station, and in particular to a kind of tri-station isolating switch in middle pressure field
The improvement of structure.
Background technology
Disconnecting switch has been as one of core component in intermediate voltage electric power system ac metal closing switch gear, one
To current-carrying effect is held, two are to provide the effect of substantially maintenance fracture, hereinafter referred to as fracture.Disconnecting switch point is divided into by function
Two station disconnecting switchs and tri-station isolating switch can provide isolation fracture and ground connection two kinds of functions of fracture simultaneously, three stations every
It is non-contact structure to leave the isolation fracture between closing, that is, isolate static contact, middle 3 contacts of static contact and grounding static contact it
Between be noncontact two-by-two, arbitrary neighborhood between the two for disconnect fracture, due to being contactless company between 3 contacts
Connect, in assembling it is difficult to ensure that the center line of grounding static contact, middle static contact and isolation static contact three is located at same straight line
On.
The content of the invention
The present invention provides a kind of temperature controller, center line between 3 static contacts when solution disconnecting switch of the prior art is assembled
Can not be collinearly the problem of.
To reach the purpose for solving above-mentioned technical problem, the present invention is using proposed tri-station isolating switch using following
Technical scheme is achieved：A kind of tri-station isolating switch, including moving contact, operating mechanism and be obliquely installed successively from top to bottom
Isolation static contact, middle static contact and grounding static contact, the operating mechanism and insulation spindle drive connection, for driving
The insulation spindle is rotated；Transmission component is provided between the insulation spindle and moving contact, for the rotation of insulation spindle to be turned
Turn to the linear motion of moving contact, the moving contact be arranged in the middle static contact can under insulation spindle drive
Moved up and down in the middle static contact, be used to connect with isolation static contact or the grounding static contact, in the isolation stationary contact
The first insulating cylinder is connected between head and middle static contact, makes isolation static contact and middle static contact center line on the same line,
The second insulating cylinder is connected between the middle static contact and the grounding static contact, makes the middle static contact and ground connection stationary contact
Head center line is located along the same line.
Also there is following additional technical feature in the present invention：
Further, the middle static contact is provided at both ends with along the circumferentially disposed end face of flange of the middle static contact, institute
State isolation static contact end to be provided with along its circumferentially disposed isolation flange face, the grounding static contact end was provided with along its week
To the ground connection flange face of setting.
Further, first insulating cylinder is resisted against between the middle static contact and isolation static contact and by fastening
Part respectively with the middle static contact and isolating static contact and being fixedly connected, the end face of one end of first insulating cylinder with it is described in
Between static contact end face of flange laminating alignment, the isolation flange face that the end face of the other end isolates static contact with described, which is fitted, aligns.
Further, second insulating cylinder is resisted against between the middle static contact and grounding static contact and by fastening
Part is fixedly connected with the middle static contact and grounding static contact respectively, the end face of one end of second insulating cylinder with it is described in
Between static contact end face of flange laminating alignment, the end face of the other end is fitted with the ground connection flange face of the grounding static contact to align.
Further, first insulating cylinder and second insulating cylinder are circular cylinder, first insulating cylinder with it is described
Second insulating cylinder radius is identical.
Further, the periphery of first insulating cylinder and second insulating cylinder is surrounded with multiple grooves, described
Axis direction of the groove along first insulating cylinder and the second insulating cylinder is opened up.
Further, the operating mechanism includes output shaft, and the output shaft is located at below the insulation spindle, described
Be provided with transition gear group between output shaft and the insulation spindle, the transition gear group include driving gear, gear shaft and from
Moving gear, the gear shaft is vertically set between the output shaft and insulation spindle, in being provided at both ends with for the gear shaft
The meshing gear coordinated respectively with the driving gear and driven gear.
Further, the grounding static contact, middle static contact and isolate static contact center line be located at same straight line and
There is angle between ground, the angle angle is 30-60 degree.
Further, supports insulative being connected with the middle static contact is also included.
Further, first insulating cylinder and the second insulating cylinder material are epoxy resin, SMC or DMC.
There is advantages below and good effect in the present invention：
The present invention proposes a kind of tri-station isolating switch, includes moving contact, operating mechanism and is obliquely installed successively from top to bottom
Isolation static contact, middle static contact and grounding static contact, the operating mechanism and insulation spindle drive connection, for driving
The insulation spindle is rotated；Transmission component is provided between insulation spindle and moving contact, the rotation of insulation spindle can be converted into
The linear motion of moving contact, is moved up and down by moving contact in middle static contact, for realizing and isolating static contact or described
Grounding static contact is connected, and realizes isolation, separating brake and combined floodgate, and the present invention is to ensure that tri-station isolating switch isolates stationary contact in assembling
Center line is located along the same line between head, middle static contact and grounding static contact, quiet in the isolation static contact and centre
The first insulating cylinder is connected between contact, makes isolation static contact and middle static contact center line on the same line, in the centre
Static contact with it is described isolate the second insulating cylinder is connected between static contact, make the middle static contact with isolating static contact center line position
In on same straight line.Center line position after it ensure that 3 static contacts are assembled on the premise of ensureing insulation and isolation fracture
In on same straight line.
Brief description of the drawings
Fig. 1 is the structural representation of tri-station isolating switch of the present invention；
Fig. 2 for Fig. 1 A-A to sectional view；
Fig. 3 is partial enlarged drawing at Fig. 2 B.
Embodiment
Technical scheme is described in further detail with reference to the accompanying drawings and detailed description, the present invention
Propose a kind of embodiment of tri-station isolating switch, shown in reference picture 1- Fig. 3, including moving contact 1, operating mechanism 2 and on to
Under the isolation static contact 3, middle static contact 4 and the grounding static contact 5 that are obliquely installed successively, can be reduced by the way of being obliquely installed
Space-consuming, reduces the volume of tri-station isolating switch, the operating mechanism 2 is connected with an insulation spindle 6, for driving
The insulation spindle 6 is rotated, and drives insulation spindle 6 to rotate by operating mechanism 2；Set between the insulation spindle 6 and moving contact 1
Transmission component is equipped with, for by the linear motion for being converted into moving contact 1 of insulation spindle 6, the transmission group in the present embodiment
Part includes the travelling gear being fixedly installed on the end face of insulation spindle 6 and the driving rack being fixedly connected with moving contact 1, by passing
Moving gear, which is rotated, drives driving rack and moving contact 1 to move along a straight line.
Insulation spindle 6, which is rotated, can drive moving contact 1 to do rectilinear movement up and down, because the moving contact 1 of the present embodiment is set
Put in the middle static contact 4, then it can be moved up and down under the insulation spindle 6 drive in the middle static contact 4,
For being connected with isolation static contact 3 or the grounding static contact 5, the linear displacement type structure used in the present embodiment realizes isolation
The divide-shut brake action of switch, can reduce the volume of disconnecting switch, when moving contact 1 is fully located in middle static contact 4, and whole three
Station disconnecting switch is in isolated location, and when it is moved up, a part is moved in isolation static contact 2, is realized and is isolated quiet
Closing position is in when contact 2 is connected, a part is moved in grounding static contact 5 and grounding static contact 5 connects when it is moved down
When logical, in earthing position.When in the present embodiment to ensure that isolation static contact 3, middle static contact 4 and grounding static contact 5 are assembled
Center line is located along the same line, and is connected with the first insulating cylinder 8 between the isolation static contact 3 and middle static contact 4, makes isolation
Static contact 3 on the same line, connects with the middle center line of static contact 4 between the middle static contact 4 and the grounding static contact 5
The second insulating cylinder 9 is connected to, the middle static contact 4 is located along the same line with the center line of grounding static contact 5, so then ensures
Middle static contact 4 and isolation static contact 3, the center line of the three of grounding static contact 5 are located on straight line, simultaneously because this reality
It is insulation system to apply the first insulating cylinder 8 and the second insulating cylinder 9 in example, it is possible to achieve insulating effect, while can also be quiet for 3
Isolation fracture is provided between contact.And first insulating cylinder 8 and the second insulating cylinder 9 be tubular structure, centre is hollow, can be met dynamic
Contact 1, will not be to the straight line of moving contact 1 from middle static contact 4 to isolation static contact 3 or the demand of the side of grounding static contact 5 movement
Motion produces interference effect.
Tri-station isolating switch in the present embodiment is provided with isolation static contact 3, middle static contact in 3 phases, 3 phases per phase
4 and grounding static contact 5 connected by the first insulating cylinder 8 and the second insulating cylinder 9, and the internal correspondence of moving contact 1 and insulation master
Axle 6 is connected by transmission component.
It is circumferentially disposed along the middle static contact 4 in being provided at both ends with for the middle static contact 4 during specific setting connection
End face of flange 41, isolation static contact 3 end is provided with along its circumferentially disposed isolation flange face 31, the ground connection stationary contact
First 5 end is provided with along its circumferentially disposed ground connection flange face 51.First insulating cylinder 8 be resisted against the middle static contact 4 and every
From between static contact 3 and by fastener respectively with the middle static contact 4 and isolating static contact 3 and being fixedly connected, the first insulation
The end face of one end of cylinder 8 is fitted completely with the end face of flange 41 of the middle static contact 4 to align, i.e. the end face of the first insulating cylinder 8
The cross-sectional area of end face of flange 41, shape with middle static contact 4 is identical, coordinate when both perfectly aligned laminating, it is another
The end face at end aligns with the laminating of isolation flange face 31 for isolating static contact 3.That is isolation flange face 31 and first insulating cylinder 8
Other end cross sectional shape is identical with area, alignment of being fitted completely when coordinating.The shape of first insulating cylinder 8 is not limited,
It is preferably circular cylinder, naturally it is also possible to be conically shaped or the tubular elements of other structures, as long as the end face at its two ends is coordinating
When can correspond to and middle static contact 4 end face of flange 41 and isolation static contact 3 the perfectly aligned laminating in isolation flange face 31
Static contact and isolation static contact center are conllinear in the middle of ensureing, will not be described here.Second insulating cylinder 9 is resisted against the middle stationary contact
It is fixedly connected respectively with the middle static contact 4 and grounding static contact 5 between first 4 and grounding static contact 3 and by fastener, institute
The laminating of end face of flange 41 for stating the end face and the middle static contact 4 of one end of the second insulating cylinder 9 is alignd, the end face of the other end with
The laminating alignment of ground connection flange face 51 of the grounding static contact 5.Second insulating cylinder 9 and middle static contact 4, grounding static contact 5
Coordinate identical with the first insulating cylinder 8, do not do repeat one by one herein.
It is preferred that, first insulating cylinder 8 and second insulating cylinder 9 of the present embodiment are circular cylinder, first insulating cylinder 8
Identical with the radius of the second insulating cylinder 9 and with middle static contact 4 the radius of end face of flange 41 is identical.
Further, first insulating cylinder 8 on the outer peripheral face of second insulating cylinder 9 with being surrounded with multiple grooves
10, axis direction of the groove 10 along the insulating cylinder 9 of the first insulating cylinder 8 and second is opened up.The groove 10 of setting can be used for
Play a part of splitting arcing in tri-station isolating switch separating brake, realize the function of fast arc extinction.
Further, the operating mechanism 2 in the present embodiment includes output shaft 21, and the output shaft 21 is located at described exhausted
The lower section of edge main shaft 6, is provided with transition gear group 22 between the output shaft 21 and the insulation spindle 6, passes through transition gear group
22 realize the drive connection between the output shaft of operating mechanism 2 and insulation spindle 6, and the transition gear group 22 includes driving gear
221st, gear shaft 222 and driven gear 223, the gear shaft 222 be vertically set on the output shaft 21 and insulation spindle 6 it
Between, in the engaging tooth that coordinates respectively with the driving gear 221 and driven gear 223 of being provided at both ends with of the gear shaft 222
Wheel 224.The output shaft 21 of operating mechanism 2 and insulation spindle 6 are not assembled point-blank, due in the upper of operating mechanism 2
Side is provided with secondary chamber, for preventing operating mechanism 2 and secondary chamber from producing interference effect when being operated.
Further, the grounding static contact 5, middle static contact 4 and isolation static contact 3 are obliquely installed and three from top to bottom
The center line of person is located along the same line and has angle between ground, solves the tri-station isolating switch volume of prior art
Big the problem of, it is preferred that the angle angle is 30-60 degree.
Further, supports insulative 42 being connected with the middle static contact 4 is also included.
It is preferred that, the material of 8 and second insulating cylinder of the first insulating cylinder 9 is epoxy resin, SMC or DMC.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited；Although with reference to foregoing reality
Apply example the present invention is described in detail, for the person of ordinary skill of the art, can still implement to foregoing
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these are changed or replaced
Change, the essence of appropriate technical solution is departed from the spirit and scope of claimed technical solution of the invention.
Claims (10)
1. a kind of tri-station isolating switch, it is characterised in that be obliquely installed from top to bottom including moving contact, operating mechanism and successively
Isolation static contact, middle static contact and grounding static contact, the operating mechanism and insulation spindle drive connection, for driving
The insulation spindle is rotated；Transmission component is provided between the insulation spindle and moving contact, for the rotation of insulation spindle to be turned
Turn to the linear motion of moving contact, the moving contact be arranged in the middle static contact can under insulation spindle drive
Moved up and down in the middle static contact, be used to connect with isolation static contact or the grounding static contact, in the isolation stationary contact
The first insulating cylinder is connected between head and middle static contact, makes isolation static contact and middle static contact center line on the same line,
The second insulating cylinder is connected between the middle static contact and the grounding static contact, makes the middle static contact and ground connection stationary contact
Head center line is located along the same line.
2. tri-station isolating switch according to claim 1, it is characterised in that the middle static contact is provided at both ends with
Along the circumferentially disposed end face of flange of the middle static contact, the isolation static contact end is provided with along its circumferentially disposed isolation method
Blue face, the grounding static contact end is provided with along its circumferentially disposed ground connection flange face.
3. tri-station isolating switch according to claim 2, it is characterised in that first insulating cylinder be resisted against it is described in
Between between static contact and isolation static contact and by fastener respectively with the middle static contact and isolating static contact and being fixedly connected,
The end face of one end of first insulating cylinder aligns with the end face of flange laminating of the middle static contact, the end face of the other end and institute
State the isolation flange face laminating alignment of isolation static contact.
4. tri-station isolating switch according to claim 2, it is characterised in that second insulating cylinder be resisted against it is described in
Between be fixedly connected respectively between static contact and grounding static contact and with the middle static contact and grounding static contact by fastener,
The end face of one end of second insulating cylinder aligns with the end face of flange laminating of the middle static contact, the end face of the other end and institute
State the ground connection flange face laminating alignment of grounding static contact.
5. tri-station isolating switch according to claim 1, it is characterised in that first insulating cylinder and described second exhausted
Edge cylinder is circular cylinder, and first insulating cylinder is identical with the second insulating cylinder radius.
6. tri-station isolating switch according to claim 1, it is characterised in that first insulating cylinder and described second exhausted
The periphery of edge cylinder is surrounded with multiple grooves, and axis direction of the groove along first insulating cylinder and the second insulating cylinder is opened
If.
7. tri-station isolating switch according to claim 1, it is characterised in that the operating mechanism includes output shaft, institute
Output shaft is stated below the insulation spindle, transition gear group, institute are provided between the output shaft and the insulation spindle
Stating transition gear group includes driving gear, gear shaft and driven gear, and the gear shaft is vertically set on the output shaft and exhausted
Between edge main shaft, in the engaging tooth that coordinates respectively with the driving gear and driven gear of being provided at both ends with of the gear shaft
Wheel.
8. tri-station isolating switch according to claim 1, it is characterised in that the grounding static contact, middle static contact
And the center line of isolation static contact is located at same straight line and has angle between ground, the angle angle is 30-60 degree.
9. tri-station isolating switch according to claim 1, it is characterised in that also include and connect with the middle static contact
Supports insulative connect.
10. tri-station isolating switch according to claim 1, it is characterised in that first insulating cylinder and the second insulation
Cylinder material is epoxy resin, SMC or DMC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710647626.5A CN107240519B (en) | 2017-08-01 | 2017-08-01 | A kind of tri-station isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710647626.5A CN107240519B (en) | 2017-08-01 | 2017-08-01 | A kind of tri-station isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107240519A true CN107240519A (en) | 2017-10-10 |
| CN107240519B CN107240519B (en) | 2019-05-21 |
Family
ID=59989064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710647626.5A Active CN107240519B (en) | 2017-08-01 | 2017-08-01 | A kind of tri-station isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107240519B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2852256A1 (en) * | 1978-12-02 | 1980-06-12 | Bbc Brown Boveri & Cie | Tensioner for linking two tubular switching elements coaxially - has metallic collar fitted to leading end of insulator tube clamped to supply tube in slot |
| CN202167402U (en) * | 2011-07-23 | 2012-03-14 | 山东泰开高压开关有限公司 | Three-position isolation grounding switch |
| CN202454478U (en) * | 2012-02-27 | 2012-09-26 | 山东兴驰高压开关有限公司 | Three-position switch |
| CN202772039U (en) * | 2012-07-24 | 2013-03-06 | 上海天灵开关厂有限公司 | Pressure-operated load switch for gas insulation ring-network cabinet |
| CN204204723U (en) * | 2014-10-31 | 2015-03-11 | 上海天灵开关厂有限公司 | The insulating cylinder of earthed switch in a kind of tri-station isolating switch |
| CN205230913U (en) * | 2015-11-23 | 2016-05-11 | 湖南平高开关有限公司 | Three -position isolation grounding switch |
-
2017
- 2017-08-01 CN CN201710647626.5A patent/CN107240519B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2852256A1 (en) * | 1978-12-02 | 1980-06-12 | Bbc Brown Boveri & Cie | Tensioner for linking two tubular switching elements coaxially - has metallic collar fitted to leading end of insulator tube clamped to supply tube in slot |
| CN202167402U (en) * | 2011-07-23 | 2012-03-14 | 山东泰开高压开关有限公司 | Three-position isolation grounding switch |
| CN202454478U (en) * | 2012-02-27 | 2012-09-26 | 山东兴驰高压开关有限公司 | Three-position switch |
| CN202772039U (en) * | 2012-07-24 | 2013-03-06 | 上海天灵开关厂有限公司 | Pressure-operated load switch for gas insulation ring-network cabinet |
| CN204204723U (en) * | 2014-10-31 | 2015-03-11 | 上海天灵开关厂有限公司 | The insulating cylinder of earthed switch in a kind of tri-station isolating switch |
| CN205230913U (en) * | 2015-11-23 | 2016-05-11 | 湖南平高开关有限公司 | Three -position isolation grounding switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107240519B (en) | 2019-05-21 |
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Effective date of registration: 20220831 Address after: 266104 Songling Road, Laoshan District, Qingdao, Shandong Province, No. 336 Patentee after: QINGDAO TGOOD ELECTRIC Co.,Ltd. Patentee after: CHUAN KAI ELECTRIC Co.,Ltd. Address before: 266104 Songling Road, Laoshan District, Qingdao, Shandong Province, No. 336 Patentee before: QINGDAO TGOOD ELECTRIC Co.,Ltd. |
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