CN207338170U - A kind of vacuum on-load operation switch - Google Patents
A kind of vacuum on-load operation switch Download PDFInfo
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- CN207338170U CN207338170U CN201720733364.XU CN201720733364U CN207338170U CN 207338170 U CN207338170 U CN 207338170U CN 201720733364 U CN201720733364 U CN 201720733364U CN 207338170 U CN207338170 U CN 207338170U
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- vacuum interrupter
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Abstract
The utility model discloses a kind of vacuum on-load operation switch, including switching switch and tap selector, switching switch includes the first vacuum interrupter, the second vacuum interrupter, the 3rd vacuum interrupter, the 4th vacuum interrupter arc-chutes, tap selector includes at least one set of odd even sets of contacts, one group of odd even sets of contacts includes strange sets of contacts and even sets of contacts, and strange moving contact can be contacted one by one respectively by rotating with multiple strange static contacts；Even moving contact can be contacted one by one respectively by rotating with multiple even static contacts；Motor drive mechanism is used to control the first vacuum interrupter, the second vacuum interrupter, the 3rd vacuum interrupter, the 4th vacuum interrupter alternate conduction, and the rotation of the strange moving contact of control and even moving contact.The utility model can complete switching of the gear in the case where not powering off.
Description
Technical field
The fields such as machine-building, electrical engineering, insulating materials, engineering mechanics, thermodynamics are the utility model is related to, it is especially suitable
For oil immersed type miniature transformer and oil immersed type pressure regulator.
Background technology
At present, the load ratio bridging switch run in China's 6~35kV electric system is largely oil blast loaded tap-off
Switch, vacuum on-load operation switch application are seldom.It is more reasonable that in the market is highly desirable to a kind of structure, and is applicable in miniature transformer
With the vacuum on-load operation switch of oil immersed type pressure regulator.
The content of the invention
For deficiency of the prior art, the utility model provides a kind of 35kV and following, suitable for oil-immersed transformer
With the vacuum on-load operation switch of pressure regulator.
A kind of vacuum on-load operation switch, including switching switch, tap selector and motor drive mechanism, wherein：
Switching switch includes the first vacuum interrupter, the second vacuum interrupter, the 3rd vacuum interrupter, the 4th vacuum extinction
Room, the first output terminals A, the second output terminal B, input terminal C, the first vacuum interrupter, the second vacuum interrupter, the 3rd vacuum extinction
Room, the 4th vacuum interrupter include connecting rod, static contact and moving contact, spring mechanism are connected with the connecting rod, when to spring
Vacuum interrupter turns on when mechanism applies downward pressure, the vacuum extinction when removing the downward pressure to spring mechanism application
Room disconnects；The static contact of first vacuum interrupter is connected by a transition resistance with the static contact of the 3rd vacuum interrupter is connected to
One output terminals A, the static contact of the second vacuum interrupter are connected by a transition resistance with the static contact of the 4th vacuum interrupter
To the second output terminal B, the first vacuum interrupter, the second vacuum interrupter, the 3rd vacuum interrupter, the 4th vacuum interrupter are all provided with
There is moving contact, the moving contact is homogeneously connected to input terminal C；
The tap selector is used for the gear switch of tap switch, including at least one set of odd even sets of contacts, one group of odd even
Sets of contacts includes strange sets of contacts and even sets of contacts, and the strange sets of contacts is connected with a strange conducting ring terminals, even sets of contacts and
One even conducting ring terminals are connected；
First output terminals A of the switching switch is connected with strange conducting ring terminals, the second output terminal B and even conduction
Ring terminals are connected；
Motor drive mechanism is used to control the first vacuum interrupter, the second vacuum interrupter, the 3rd vacuum interrupter, the 4th vacuum
Arc-chutes alternate conduction, and the gear switch of control tap selector.
Further, the odd even sets of contacts in tap selector is arranged on a shaft insulation, strange sets of contacts and even sets of contacts
Center at be equipped with shaft, the shaft of strange sets of contacts is equipped with 1 strange moving contact, along first-class of the rotary motion trace of strange moving contact
It can be contacted one by one respectively with multiple strange static contacts every equipped with multiple strange static contacts, strange moving contact by rotating；Even sets of contacts turns
Axis is equipped with 1 even moving contact, is equipped with multiple even static contacts at equal intervals along the rotary motion trace of even contact disk, even moving contact is by turning
It is dynamic to be contacted one by one respectively with multiple even static contacts；The strange static contact is connected by strange moving contact with strange conducting ring terminals
Connect, even static contact is connected by even moving contact with even conducting ring terminals.
Further, the motor drive mechanism includes decelerating motor and quick switching mechanism, and quick switching mechanism includes crank
Rocker device, decelerating motor is by driving the rotation crank and rocker mechanism of a side axis alternately to the first vacuum interrupter, the
Two vacuum interrupters, the 3rd vacuum interrupter, the spring mechanism of the 4th vacuum interrupter apply downward pressure so that first is true
Empty arc-chutes, the second vacuum interrupter, the 3rd vacuum interrupter, the 4th vacuum interrupter alternate conduction.
Further, the crank and rocker mechanism includes rocking arm, connecting rod, eccentric wheel, and the rocking arm is installed on an axis,
Rocking arm can be with respect to central axis, and the eccentric wheel is installed in side axis, and eccentric wheel is rotated coaxially with side axis, rocking arm by connecting rod with
Eccentric wheel is connected.
Further, the quick switching mechanism includes wheel disc, and the wheel disc is installed on axis, and wheel disc can be with respect to axis
Rotate, wheel disc is connected by two parallel compression springs and two spring bases with the rocking arm in crank and rocker mechanism, described
The outer edge of wheel disc is provided with 3 rollers at equal intervals, and positioning pin is provided with wheel disc, and the positioning pin is used to limit in wheel coiling
The angle that axis rotates；
When the line of centres of two parallel compression springs exceedes the axial line of axis with the swing of rocking arm, two simultaneously
Capable compression spring promotes wheel coiling axis to swing.
Further, 3 rollers in the quick switching mechanism are by swinging compression spring mechanism.
Further, motor drive mechanism further includes Geneva mechanism and lower Geneva mechanism, and upper Geneva mechanism is used to pass through side axis
Rotation drive axis rotated, axis is connected and rotates coaxially with shaft insulation；Lower Geneva mechanism is used for by side axis
Rotate and drive insulated connecting rod to be swung；
The upper Geneva mechanism includes upper slot poking ware and upper slotted disk, and upper slot poking ware and upper slotted disk are external；Upper slotted disk is arranged on
On axis, upper slotted disk is rotated coaxially with axis, and upper slot poking ware is installed in side axis, and the first shifting block and the are provided with the side axis
Two shifting blocks, the first shifting block and the second shifting block are rotated coaxially with side axis, and the first shifting block and the second shifting block differ 180 °, and upper slot poking ware leads to
The first shifting block crossed in side axis, which drives, to be rotated；
The lower Geneva mechanism includes lower slot poking ware and lower slotted disk, and lower slot poking ware and lower slotted disk are external；Lower slotted disk is arranged on
On axis, lower slotted disk can be with respect to central axis, and lower slotted disk is connected by connector with insulated connecting rod, and lower slot poking ware is installed on side
On axis, lower slot poking ware is driven by the second shifting block in side axis and rotated.
Further, the decelerating motor is arranged on the upper end of side axis.
Further, 5 strange static contacts are equipped with equal intervals along the rotary motion trace of strange moving contact；Along the rotation rail of even moving contact
Mark is equipped with 4 even static contacts at equal intervals.
Further, three groups of odd even sets of contacts are installed on the shaft insulation.
Compared with prior art, the utility model has following technique effect：
A kind of vacuum on-load operation switch provided by the utility model is compact-sized, and tap selection is moved respectively with current switching
Make, current switching uses vacuum extinction, and handoff procedure is succinctly reliable；The occasion that double transition resistances are more suitable for bi-directional current uses.
Brief description of the drawings
Fig. 1 is the overall structure figure of the utility model；
Fig. 2 is the structure expanded view of the utility model；
Fig. 3 is the course of work schematic diagram of the utility model；
Fig. 4 is the quick switching mechanism schematic diagram of the utility model；
Fig. 5 (a) is the state 1 of quick switching structure；Fig. 5 (b) is the state 2 of quick switching mechanism；Fig. 5 (c) is quick
The state 3 of switching mechanism；
Fig. 6 is upper Geneva mechanism (or lower Geneva mechanism) schematic diagram of the utility model；
Fig. 7 is the profile of the electrical switching mechanism of the utility model；
Figure label is represented as：1-upper mounting plate；2-spring mechanism；3-decelerating motor；4-quick switching mechanism；
5-basis installing plate；6-auxiliary vacuum diverter switch；7-main vacuum diverter switch；8-terminals；9-lower installation board；
10-strange moving contact；11-idol moving contact；12-strange static contact；13-idol static contact；14-insulating stay；15-shaft insulation；
16-bottom plate；17-transition resistance；18-roller；19-wheel disc；20-axis；21-go up slotted disk；22-rocking arm；23-the
One connecting rod：24-side axis；25-eccentric wheel；26-go up slot poking ware；27-lower slot poking ware；28-lower slotted disk；29-connector；
30-insulated connecting rod；31-strange conducting ring；32-idol conducting ring；33-the first vacuum interrupter；34-the second vacuum extinction
Room；35-travel switch；36-spring base；37-compression spring；38-positioning pin；39-lever；40-arc-chutes drive rod；
41-insulated tension pole；42-motor drive mechanism；43-electric switch；44-shifting block；45-even gear bridging contact；46-shelves
Position contact plate；47-odd gear bridging contact；48-the three vacuum interrupter；49-the four vacuum interrupter；50-the second
Connecting rod.
Embodiment
Below by drawings and examples, the utility model is described in further detail.
Embodiment 1
Present embodiments provide a kind of vacuum on-load operation switch, including switching switch, tap selector and motor drive mechanism
42, wherein：
As shown in figure 3, switching switch includes the first vacuum interrupter 33, the second vacuum interrupter 34, the 3rd vacuum extinction
Room 48, the 4th vacuum interrupter 49, the first vacuum interrupter 33, the second vacuum interrupter 34, the 3rd vacuum interrupter the 48, the 4th
Vacuum interrupter 49 includes second connecting rod 50, is connected with spring mechanism 2 on the second connecting rod 50, is applied when to spring mechanism 2
Vacuum interrupter turns on when adding downward pressure, and when removing the downward pressure to the application of spring mechanism 2, vacuum interrupter breaks
Open；Second vacuum interrupter 34, the 3rd vacuum interrupter 48 are located at the first vacuum interrupter 33 and the 4th vacuum interrupter 49
Centre, the first vacuum interrupter 33, the second vacuum interrupter 34, the 3rd vacuum interrupter 48, the 4th vacuum interrupter 49 are all provided with
There is a static contact, the static contact phase that the static contact of the first vacuum interrupter 33 passes through a transition resistance 17 and the 3rd vacuum interrupter 48
Meet at the first output terminals A, the static contact of the second vacuum interrupter 34 passes through a transition resistance 17 and the 4th vacuum interrupter 49
Static contact intersects at the second output terminal B, the first vacuum interrupter 33, the second vacuum interrupter 34, the 3rd vacuum interrupter 48,
Four vacuum interrupters 49 are equipped with moving contact, and the moving contact intersects to input terminal C；
As shown in Figure 1, 2, the tap selector is used for the gear switch of tap switch, including at least one set of odd even contact
Group, one group of odd even sets of contacts include strange sets of contacts and even sets of contacts, and the strange sets of contacts is connected with strange 31 terminals of conducting ring
Connect, even sets of contacts is connected with even 32 terminals of conducting ring；
Such as Fig. 1, motor drive mechanism 42 is further included, for controlling the first vacuum interrupter 33, the second vacuum interrupter the 34, the 3rd
Vacuum interrupter 48,49 alternate conduction of the 4th vacuum interrupter, and the gear switch of control tap selector.
Tap change operation is divided into the completion of two steps every time, and it is being the principle that first selects to switch afterwards that operation program, which is,.Tap is opened
Switching switch only turns on one group of odd even sets of contacts when closing stable state, and the gear which connects tap selector forms work shelves
Position；It is preselected to arrive and operation range first by one group of uncharged strange sets of contacts or even sets of contacts action when tapping gear is changed
On adjacent gear, then operating current is transformed on the pre- gear chosen from original operation range by switching switch,
Complete level-one tapping gear map function.Whole action is driven by motor drive mechanism, it then follows the principle of gradual control, every time
Transforming gear operation completion can be stopped, and gear positions signal is by travel switch 35, odd gear bridging contact 47, even number
Gear bridging contact 45, gear contact plate 46, which are combined, to be provided.
Embodiment 2
The present embodiment is on the basis of embodiment 1, and the tap selector includes at least one set of odd even sets of contacts, such as Fig. 7,
One group of odd even sets of contacts includes strange sets of contacts and even sets of contacts, and odd even sets of contacts is arranged on shaft insulation 15, strange sets of contacts and idol
Shaft is equipped with the center of sets of contacts, the shaft of strange sets of contacts is equipped with 1 strange moving contact 10, along the rotation rail of strange moving contact
Mark is first-class to be interval with multiple strange static contacts 12, and strange moving contact 10 can be connect one by one respectively by rotating with multiple strange static contacts 12
Touch；The shaft of even sets of contacts is equipped with 1 even moving contact 11, and multiple even stationary contacts are equipped with equal intervals along the rotary motion trace of even contact disk
First 13, even moving contact 11 can be contacted one by one respectively by rotating with multiple even static contacts 13；The strange static contact and strange conducting ring
31 terminals are connected, and even static contact 13 is connected with even 32 terminals of conducting ring；
Strange moving contact 10 or even moving contact 11 are in contact with strange static contact 12 or even static contact 13 respectively by rotating, real
The switching of tap selector gear is showed.
In the present embodiment, 5 strange static contacts are equipped with equal intervals along the rotary motion trace of strange moving contact；Along the rotation of even moving contact
Track is equipped with 4 even static contacts at equal intervals, constitutes 9 grades of tap switch.
Embodiment 3
The present embodiment provides the concrete structure of motor drive mechanism on the basis of embodiment 1, and the motor drive mechanism includes subtracting
Speed motor 3 and quick switching mechanism 4, quick switching mechanism 4 include crank and rocker mechanism, and decelerating motor 3 is by driving a side axis
24 rotation causes crank and rocker mechanism alternately to the first vacuum interrupter 33, the second vacuum interrupter 34, the 3rd vacuum extinction
Room 48, the spring mechanism 2 of the 4th vacuum interrupter 49 apply downward pressure so that the first vacuum interrupter 33, the second vacuum
Arc-chutes 34, the 3rd vacuum interrupter 48,49 alternate conduction of the 4th vacuum interrupter.
In the present embodiment, the side axis 24 axially penetrate through motor drive mechanism 42, and side axis 24 are located at the side axle line of motor drive mechanism 42
Place.
Embodiment 4
The present embodiment is on the basis of embodiment 3, as shown in Figure 2, there is provided crank and rocker mechanism, including rocking arm 22,
One connecting rod 23, eccentric wheel 25, the rocking arm 22 are installed on an axis 20, and rocking arm 22 can be rotated relative to axis 20, the bias
Wheel 25 is installed in side axis 24, and eccentric wheel 25 is rotated coaxially with side axis 24, and rocking arm 22 passes through 25 phase of first connecting rod 23 and eccentric wheel
Connection.
When side axis 24 rotate together with eccentric wheel 25, rocking arm 22 is driven to do oscillating motion by first connecting rod 23.
In the present embodiment, axis 20 axially penetrates through motor drive mechanism 42, and axis 20 is located at the central axis of motor drive mechanism.
Embodiment 5
The present embodiment is on the basis of embodiment 4, as shown in Figure 4, there is provided quick switching mechanism, including wheel disc 19, institute
Wheel disc 19 is stated on axis 20, wheel disc 19 can be 20 turns pairs with respect to axis, and wheel disc 19 passes through two parallel compression springs 37
And two spring bases 36 are connected with the rocking arm 22 in crank and rocker mechanism, the outer edge of the wheel disc 19 is provided with 3 at equal intervals
A roller 18, positioning pin 38 is provided with wheel disc 19, and the positioning pin 38 is used to limit wheel disc 19 around the angle that axis 20 rotates
Degree.
When the line of centres of two parallel compression springs 37 exceedes the axial line of axis with the swing of rocking arm 22, two
A parallel compression spring 37 promotes wheel disc 19 to be swung around axis 20.
In the present embodiment, spring base 36 is separately installed with wheel disc 19 and rocking arm 22, while spring 37 are compressed in compression
Spring base 36 is also swung with compression spring 37, since the limitation wheel disc 19 of positioning pin 38 compresses initial stage simultaneously in compression spring 37
It cannot move, when the line of centres that two are compressed spring 37 put the central hub of axis 20 --- dead point is crossed, acts on wheel
The torsion direction of disk 19 changes, and compression spring 37 promotes wheel disc 19 to swing, if Fig. 5 (a), Fig. 5 (b), Fig. 5 (c) are compression
Spring 36 passes through during diverse location, wheel disc occurs therewith residing for the swing of rocking arm 22 state.
3 rollers 18 in the quick switching mechanism are by swinging compression spring mechanism 2.
3 rollers 18 installed on wheel disc 19 rotate together, and 3 rollers 18 compress 4 spring mechanisms 2 successively.4 springs
Mechanism 2 drives 2 main vacuum interrupters 33 and 2 auxiliary vacuum by lever 39, insulated tension pole 41 and arc-chutes drive rod 40
Arc-chutes 34 connect in turn and turn-off current, complete the current switching on strange moving contact 10 and even moving contact 11.Positioning pin 38 is true
The roller 18 among on wheel disc 19 is determined to be pressed in stable state in one of them of middle two spring mechanisms 2, has made its right
The vacuum interrupter 33 answered is in an ON state.3 rollers, 18 alternate compression, 4 springs of wheel disc 19 in motion state thereon
Mechanism 2, its corresponding 2 main vacuum interrupter 33 and 2 auxiliary vacuum interrupter 34 at least one conducting, have phase in a flash
Every main vacuum interrupter 33 and auxiliary vacuum interrupter simultaneously turn on, separately have in a flash two auxiliary vacuum interrupters lead at the same time
It is logical.
Embodiment 6
The present embodiment is on the basis of embodiment 3, and such as Fig. 6, motor drive mechanism 42 further includes Geneva mechanism and lower sheave machine
Structure, upper Geneva mechanism are used to drive axis 20 to be rotated by the rotation of side axis 24, and axis 20 is connected simultaneously with shaft insulation 15
Rotate coaxially；Lower Geneva mechanism is used to drive insulated connecting rod 30 to be swung by the rotation of side axis 24；Provide sheave machine
Structure, including upper slot poking ware 26 and upper slotted disk 21, upper slot poking ware 26 and upper slotted disk 21 are external；Upper slotted disk 21 is arranged on axis 20,
Upper slotted disk 21 is rotated coaxially with axis 20, and upper slot poking ware 26 is installed in side axis 24, and the first shifting block is provided with the side axis 24
44 and second shifting block, the first shifting block 44 and the second shifting block rotated coaxially with side axis 24, the first shifting block 44 and the second shifting block difference
180 °, upper slot poking ware 26 is driven by the first shifting block 44 in side axis 24 and rotated；
The present embodiment additionally provides lower Geneva mechanism, including lower slot poking ware 27 and lower slotted disk 28, lower slot poking ware 27 and lower groove
Disk 28 is external；Lower slotted disk 28 is arranged on axis 20, and lower slotted disk 28 can be rotated relative to axis 20, and lower slotted disk 28 passes through connector 29
It is connected with insulated connecting rod 30, lower slot poking ware 27 is installed in side axis 24, and lower slot poking ware 27 passes through the second shifting block in side axis 24
Drive and rotate.
Upper slotted disk 21 drives strange moving contact 10 to move and realizes the switching of odd number tapping gear by axis 20, shaft insulation 15；
Lower slotted disk 28 drives even moving contact 11 to move and realizes the switching of even number tapping gear by connector 29, insulated connecting rod 30.
In the present embodiment, the upper end of side axis 24 is equipped with a decelerating motor 3, drives side axis 24 to rotate by decelerating motor 3.
Embodiment 7
The present embodiment is provided with three groups of odd even sets of contacts, constitutes three on the basis of embodiment 1 on the shaft insulation 15
The vacuum on-load operation switch of phase.
The course of work：
Side axis 24 every time only rotate 180 °, under the drive of upper slot poking ware 26 and lower slot poking ware 27 on slotted disk 2 and lower slotted disk
28 can only alternating movement, so as to alternately drive strange moving contact 10 or even moving contact 11 to complete the action of tap selector；Work as side axis
In 24 rotation processes in addition to driving tap selector action, while drive the eccentric wheel 25 of quick switching mechanism 4 to rotate, pass through
Rocking arm 22 is driven to give compression 37 energy storage of spring by first connecting rod 23, when the action of tap selector is completed, compression spring 37 stores up
Can also it terminate, and just well dead point, compression spring 37 release energy, and drive wheel disc 19 to swing at high speed, complete the first vacuum and go out
The folding conversion of arc chamber 33, the second vacuum interrupter 34, the 3rd vacuum interrupter 48, the 4th vacuum interrupter 49.
Claims (10)
- A kind of 1. vacuum on-load operation switch, it is characterised in that including switching switch, tap selector and motor drive mechanism (42), Wherein：Switching switch includes the first vacuum interrupter (33), the second vacuum interrupter (34), the 3rd vacuum interrupter (48), the 4th Vacuum interrupter (49), the first output terminals A, the second output terminal B, input terminal C, the first vacuum interrupter (33), the second vacuum are gone out Arc chamber (34), the 3rd vacuum interrupter (48), the 4th vacuum interrupter (49) include second connecting rod (50), static contact and move to touch Head, is connected with spring mechanism (2) on the second connecting rod (50), and when applying downward pressure to spring mechanism (2), vacuum is gone out Arc chamber turns on, and when removing the downward pressure to spring mechanism (2) application, vacuum interrupter disconnects；First vacuum interrupter (33) static contact is connected by a transition resistance (17) with the static contact of the 3rd vacuum interrupter (48) is connected to the first output terminal A, the static contact phase that the static contact of the second vacuum interrupter (34) passes through a transition resistance (17) and the 4th vacuum interrupter (49) It is connected to the second output terminal B, the first vacuum interrupter (33), the second vacuum interrupter (34), the 3rd vacuum interrupter (48), Four vacuum interrupters (49) are equipped with moving contact, and the moving contact is homogeneously connected to input terminal C；The tap selector is used for the gear switch of tap switch, including at least one set of odd even sets of contacts, one group of odd even contact Group includes strange sets of contacts and even sets of contacts, and the strange sets of contacts is connected with strange conducting ring (31) terminals, even sets of contacts and One even conducting ring (32) terminals are connected；First output terminals A of the switching switch is connected with strange conducting ring (31) terminals, the second output terminal B and even conducting ring (32) terminals are connected；Motor drive mechanism (42) is used to control the first vacuum interrupter (33), the second vacuum interrupter (34), the 3rd vacuum interrupter (48), the 4th vacuum interrupter (49) alternate conduction, and the gear switch of control tap selector.
- 2. vacuum on-load operation switch as claimed in claim 1, it is characterised in that the odd even sets of contacts in tap selector is set Put on a shaft insulation (15), shaft is equipped with the center of strange sets of contacts and even sets of contacts, the shaft of strange sets of contacts is equipped with 1 A strange moving contact (10), multiple strange static contacts (13), strange moving contact (10) are interval with along the rotary motion trace of strange moving contact is first-class It can be contacted one by one respectively with multiple strange static contacts (13) by rotating；The shaft of even sets of contacts is equipped with 1 even moving contact (11), Multiple even static contacts (12) are equipped with equal intervals along the rotary motion trace of even contact disk, and even moving contact (11) can be with multiple idols by rotating Static contact (12) contacts one by one respectively；The strange static contact is connected by strange moving contact (10) with strange conducting ring (31) terminals Connect, even static contact (12) is connected by even moving contact (11) with even conducting ring (32) terminals.
- 3. vacuum on-load operation switch as claimed in claim 1, it is characterised in that the motor drive mechanism includes decelerating motor (3) and quick switching mechanism (4), quick switching mechanism (4) include crank and rocker mechanism, and decelerating motor (3) is by driving on one side The rotation of axis (24) causes crank and rocker mechanism alternately to the first vacuum interrupter (33), the second vacuum interrupter (34), the 3rd Vacuum interrupter (48), the spring mechanism (2) of the 4th vacuum interrupter (49) apply downward pressure so that the first vacuum extinction Room (33), the second vacuum interrupter (34), the 3rd vacuum interrupter (48), the 4th vacuum interrupter (49) alternate conduction.
- 4. vacuum on-load operation switch as claimed in claim 3, it is characterised in that the crank and rocker mechanism includes rocking arm (22), first connecting rod (23), eccentric wheel (25), the rocking arm (22) be installed on an axis (20) on, rocking arm (22) can relatively in Axis (20) rotates, and the eccentric wheel (25) is installed in side axis (24), and eccentric wheel (25) is rotated coaxially with side axis (24), rocking arm (22) it is connected by first connecting rod (23) with eccentric wheel (25).
- 5. vacuum on-load operation switch as claimed in claim 4, it is characterised in that the quick switching mechanism includes wheel disc (19), the wheel disc (19) is installed on axis (20), and wheel disc (19) can be rotated relative to axis (20), and wheel disc (19) passes through two Parallel compression spring (37) and two spring bases (36) is connected with the rocking arm (22) in crank and rocker mechanism, the wheel disc (19) outer edge is provided with 3 rollers (18) at equal intervals, and positioning pin (38), the positioning pin (38) are provided with wheel disc (19) The angle rotated for limiting wheel disc (19) around axis (20)；When the line of centres of two parallel compression springs (37) exceedes the axial line of axis with the swing of rocking arm (22), two A parallel compression spring (37) promotes wheel disc (19) to be swung around axis (20).
- 6. a kind of vacuum on-load operation switch as claimed in claim 5, it is characterised in that 3 in the quick switching mechanism A roller (18) is by swinging compression spring mechanism (2).
- 7. a kind of vacuum on-load operation switch as claimed in claim 2, it is characterised in that motor drive mechanism (42) further includes groove Mechanism and lower Geneva mechanism are taken turns, upper Geneva mechanism is used to drive axis (20) to be rotated by the rotation of side axis (24), axis (20) it is connected and rotates coaxially with shaft insulation (15)；Lower Geneva mechanism is used to drive insulated connecting rod by the rotation of side axis (24) (30) swung；The upper Geneva mechanism includes upper slot poking ware (26) and upper slotted disk (21), and upper slot poking ware (26) and upper slotted disk (21) are external； Upper slotted disk (21) is arranged on axis (20), and upper slotted disk (21) rotates coaxially with axis (20), and upper slot poking ware (26) is installed on side On axis (24), be provided with the first shifting block (44) and the second shifting block on the side axis (24), the first shifting block (44) and the second shifting block with Side axis (24) rotate coaxially, and the first shifting block (44) and the second shifting block differ 180 °, and upper slot poking ware (26) passes through in side axis (24) First shifting block (44), which drives, to be rotated；The lower Geneva mechanism includes lower slot poking ware (27) and lower slotted disk (28), and lower slot poking ware (27) and lower slotted disk (28) are external； Lower slotted disk (28) is arranged on axis (20), and lower slotted disk (28) can rotate relative to axis (20), and lower slotted disk (28) passes through connector (29) it is connected with insulated connecting rod (30), lower slot poking ware (27) is installed in side axis (24), and lower slot poking ware (27) passes through side axis (24) the second shifting block on, which drives, to be rotated.
- 8. a kind of vacuum on-load operation switch as claimed in claim 3, it is characterised in that the decelerating motor (3) is arranged on The upper end of side axis (24).
- 9. a kind of vacuum on-load operation switch as claimed in claim 2, it is characterised in that along rotary motion trace of strange moving contact etc. It is interval with 5 strange static contacts；4 even static contacts are equipped with equal intervals along the rotary motion trace of even moving contact.
- 10. a kind of vacuum on-load operation switch as claimed in claim 2, it is characterised in that installed on the shaft insulation (15) There are three groups of odd even sets of contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733364.XU CN207338170U (en) | 2017-06-22 | 2017-06-22 | A kind of vacuum on-load operation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733364.XU CN207338170U (en) | 2017-06-22 | 2017-06-22 | A kind of vacuum on-load operation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207338170U true CN207338170U (en) | 2018-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720733364.XU Withdrawn - After Issue CN207338170U (en) | 2017-06-22 | 2017-06-22 | A kind of vacuum on-load operation switch |
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| CN (1) | CN207338170U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221463A (en) * | 2017-06-22 | 2017-09-29 | 西安森宝电气工程有限公司 | A kind of vacuum on-load operation switch |
| CN113745014A (en) * | 2021-07-27 | 2021-12-03 | 中国电力科学研究院有限公司 | Reciprocating switching mechanism of on-load tap-changer |
| CN116504578A (en) * | 2023-04-10 | 2023-07-28 | 上海交通大学 | Vacuum on-load tap changer and voltage regulating method |
-
2017
- 2017-06-22 CN CN201720733364.XU patent/CN207338170U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221463A (en) * | 2017-06-22 | 2017-09-29 | 西安森宝电气工程有限公司 | A kind of vacuum on-load operation switch |
| CN107221463B (en) * | 2017-06-22 | 2019-08-09 | 西安森宝电气工程有限公司 | A kind of vacuum on-load operation switch |
| CN113745014A (en) * | 2021-07-27 | 2021-12-03 | 中国电力科学研究院有限公司 | Reciprocating switching mechanism of on-load tap-changer |
| CN113745014B (en) * | 2021-07-27 | 2022-10-04 | 中国电力科学研究院有限公司 | On-load tap-changer's reciprocating type switching mechanism |
| CN116504578A (en) * | 2023-04-10 | 2023-07-28 | 上海交通大学 | Vacuum on-load tap changer and voltage regulating method |
| CN116504578B (en) * | 2023-04-10 | 2024-04-26 | 上海交通大学 | Vacuum on-load tap changer and voltage regulating method |
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