CN207425700U - A kind of use for laboratory is in the small automatic mechanical switching device of high voltage control - Google Patents
A kind of use for laboratory is in the small automatic mechanical switching device of high voltage control Download PDFInfo
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- CN207425700U CN207425700U CN201721348043.4U CN201721348043U CN207425700U CN 207425700 U CN207425700 U CN 207425700U CN 201721348043 U CN201721348043 U CN 201721348043U CN 207425700 U CN207425700 U CN 207425700U
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- switching device
- cage ring
- high pressure
- voltage control
- hollow
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Abstract
The utility model discloses a kind of use for laboratory in the small automatic mechanical switching device of high voltage control, including stepper motor, motor flange and annular seal space, gas medium full of insulating oil or 0.2 0.5MPa in annular seal space can weaken electrical breakdown caused by high-voltage conducting wires, and the shut-off of annular seal space internal switch device and closure are by step motor control, stepper motor rotates 90 degree every time, and the automation of the utility model can be realized in remote control stepper motor;Electrode surface curvature between switching device internal activity electrode and high-voltage conducting wires is big, and under present apparatus off state, ceramic structure design in many places can effectively inhibit the damaging influence that creepage phenomenon may be brought.The utility model modularized design, material is simple, can be by stepper motor automation control, safe and effective, small, application scenario and Applied research fields are extensive, controllable voltage is high, highly practical, the opposite species reduced and add high-pressure machinery switch of financial cost.
Description
Technical field
The utility model is related to a kind of use for laboratory in the small automatic mechanical switching device of high voltage control, belong to high pressure
A kind of mechanical switch device of electric field.
Background technology
The development of high-voltage technology starts from early in the twentieth century, has become an important branch of electrotechnics section so far.And I
State has also become AC and DC transmission voltage highest in the world, and transmission line capability is maximum, power transmission is apart from farthest transmission of electricity big country, domestic
Also multiple perfect high pressure research bases.
1KV-220KV is high pressure in ultra-high-tension power transmission line, and current commercialized ultra-high-tension power transmission line high-voltage switch is universal
Volume is larger, and the switch in laboratory high pressure research is generally the thyristor of semiconductor type, but thyristor pressure voltage is low, hair
Hot serious and technological requirement is high and involves great expense, but existing mechanical high-voltage switch gear species is less, complete coefficient is small and
It is bulky.
Utility model content
The technical problems to be solved in the utility model is:In order to reduce volume, controllable automatic to high-voltage switch gear, improve height
Compress switch safety coefficient, reduce cost, increase laboratory high pressure mechanical switch species and meet laboratory high pressure research it is a variety of
Demand, the utility model provide a kind of use for laboratory in the small automatic mechanical switching device of high voltage control.
The technical solution adopted in the utility model is:A kind of use for laboratory is in the small automatic mechanical switch of high voltage control
Device, including stepper motor, motor flange and seal cavity be sequentially connected, the seal cavity include removable seal chamber
Flange, annular seal space and two high-field electrode flange ports being connected with annular seal space cylindrical side, include inside the annular seal space with
The shaft coupling and switching device that annular seal space flange is connected, shaft coupling connection stepper motor and switching device, described opens
Closing device, above the float electrode between disk, ceramic lower wall, two high pressure bananas connect including the upper disk of ceramics, ceramic lower wall and ceramics
Head, two semicircle block pieces, two hollow U-shaped block pieces and two U-shaped ceramic spacers, described two high pressure bananas connect
Head and two hollow U-shaped block pieces alternately connect and compose a concentric hollow circular ring successively, and two of which high pressure banana connects
Head is accounted between 1/6 to the 1/10 of entire annulus perimeter, and described two semicircle block pieces form concentric annulus and are connected, U-shaped
Ceramic spacer can in hollow U-shaped block piece and high pressure banana connector contact slide, the float electrode is by copper extension bar
It is formed by connecting with copper ball, the diameter of copper ball is equal to the diameter of hollow U-shaped block piece and high pressure banana connector inner hollow cylinder, institute
Include the first cage ring, the second cage ring, the 3rd cage ring, the 4th cage ring and U inside disk and ceramic lower wall on the ceramics stated
Include the first cage ring, the second cage ring, the 3rd cage ring, the 4th cage ring and U-shaped inside type card slot, upper disk and ceramic lower wall
Card slot, first cage ring, the second cage ring, the 3rd cage ring, the 4th cage ring are coaxial core structures, the second cage ring
And sliding slot of the 3rd circular groove between cage ring as semicircle block piece, disk, the cylindricality border of ceramics lower wall on ceramics
Circular groove between the 4th internal cage ring is as the sliding slot for placing high pressure banana connector, hollow U-shaped block piece.
Gas medium full of insulating oil or 0.2-0.5MPa, Ke Yishi among the annular seal space flange and annular seal space
Any or its arbitrary mixing in following three kinds of gas:Pure air, N2、SF6。
The float electrode, high pressure banana connector are that copper product is process, motor flange, annular seal space flange, close
It is that stainless steel material is process to seal chamber and high-field electrode flange port, disk, ceramic lower wall, semicircle form drag on shaft coupling, ceramics
Block piece, hollow U-shaped block piece and U-shaped ceramic spacer are that Machining of Ceramics forms.
It is described by shaft coupling be connected to float electrode on stepper motor can on ceramics disk and ceramic lower wall it
Between around the first cage ring axis rotation, and stepper motor can only rotate 90 degree every time.
One high-field electrode flange port is responsible for the introducing of high-voltage conducting wires, another high-field electrode flange port is responsible for height
Press the extraction of conducting wire.
The conducting wire that the high-field electrode flange port introduces is connected to the high pressure banana connector of switching device, high-field electrode method
The conducting wire that blue mouth is drawn is connected to another high pressure banana connector of switching device.
Two high pressure banana connectors and two hollow U-shaped block pieces alternately connect and compose concentric annulus, described
The hollow groove of concentric annulus allows copper ball in float electrode and U-shaped ceramic spacer contact slide inside it.
It is described when copper ball and high pressure banana junction contacts, switch is on;Stepper motor is rotated by 90 ° after conducting,
Switch is in disconnection.
The high pressure banana connector projection is fixed in the U-shaped card slot on ceramics between disk and ceramic lower wall.
The float electrode rotation can promote semicircle block piece and U-shaped ceramic spacer to be slided in corresponding slot.
The stepper motor, shaft coupling, disk, ceramic lower wall, float electrode, high pressure banana connector, semicircle on ceramics
Block piece, hollow U-shaped block piece and U-shaped ceramic spacer are all modular, installation and repair easy to disassemble.
First cage ring, the second cage ring, the 3rd cage ring, the 4th cage ring relative altitude are different.
The utility model has the advantage of:
(1) switching device of the utility model is placed in the insulating oil of sealing or high-voltage isulation gas medium, can be with
Greatly improve the numerical upper limits that device bears high pressure.
(2) the utility model more considers practicality, and high-voltage conducting wires, and the ε of dielectric are connected by high pressure banana connector
Value determines the relative thickness of high-voltage breakdown, and the utility model solid insulation part employs higfh-tension ceramics as material, reduces
The risk of electrical breakdown.
(3) the upper disk of ceramics in the utility model, the first cage ring in ceramic lower wall, the second cage ring, the 3rd cage ring,
4th cage ring is equivalent to high pressure full skirt, when switch in disconnect when, considerably increase high pressure banana connector to float electrode it
Between distance, reduce high pressure climb electricity composition threat.
(4) copper ball in the utility model in float electrode can the contact activity in the hollow groove of high pressure banana connector,
The design of copper ball considers the radius of curvature for increasing contact electrode, so advantageously reduces the probability of corona discharge.
(5) when float electrode is rotated to it is vertical with high pressure banana connector when, U-shaped ceramic spacer can be in float electrode
Copper ball thrust and in hollow groove contact slide, what high pressure banana connector directly contacted at this time is ceramic dielectric, makes switch
Insulating properties, robustness and security after device disconnects is more firm.
(6) stepper motor in the utility model, shaft coupling, disk, ceramic lower wall, float electrode, high pressure banana connect on ceramics
Head, semicircle block piece, hollow U-shaped block piece and U-shaped ceramic spacer are all modular.
(7) the utility model clever structure, so reduce the cost of material, main material is stainless steel, copper and ceramics,
There is no noble metal and be easily worked.
(8) the utility model relative volume compared with it is small, space-saving rate is big, the capacitor charge and discharge being particularly suitable in laboratory
Electricity, the breakdown voltage test of material and high-tension circuit branch circuit cut-off test.
Description of the drawings
Fig. 1 is a kind of use for laboratory of the utility model in the external knot of the small automatic mechanical switching device of high voltage control
Structure schematic diagram;
Fig. 2 is that a kind of use for laboratory of the utility model is cut in the symmetrical of small automatic mechanical switching device of high voltage control
Face structure diagram;
Fig. 3 is that a kind of use for laboratory of the utility model is filled in the switch of the small automatic mechanical switching device of high voltage control
Put internal structure schematic diagram;
Fig. 4 is that a kind of use for laboratory of the utility model is filled in the switch of the small automatic mechanical switching device of high voltage control
Put internal structure sectional schematic diagram;
Fig. 5 is that a kind of use for laboratory of the utility model is fragrant in the high pressure of the small automatic mechanical switching device of high voltage control
Any of several broadleaf plants joint structure schematic diagram;
Fig. 6 is a kind of use for laboratory of the utility model in the flexible lamp of the small automatic mechanical switching device of high voltage control
Pole structure diagram;
Fig. 7 is a kind of use for laboratory of the utility model in the hollow U of the small automatic mechanical switching device of high voltage control
Type barrier structures schematic diagram;
Fig. 8 is a kind of use for laboratory of the utility model in the U-shaped pottery of the small automatic mechanical switching device of high voltage control
Porcelain separator structure diagram;
Fig. 9 is a kind of use for laboratory of the utility model on the ceramics of the small automatic mechanical switching device of high voltage control
Disk and lower wall connector schematic diagram;
Figure 10 is a kind of use for laboratory of the utility model in the symmetrical of the small automatic mechanical switching device of high voltage control
Sectioned, three dimensional design sketch;
Figure 11 removing in the small automatic mechanical switching device of high voltage control that be a kind of use for laboratory of the utility model
3 d effect graph after annular seal space flange;
Figure 12 is a kind of use for laboratory of the utility model in the switch of the small automatic mechanical switching device of high voltage control
Device 3 d effect graph;
Figure 13 removing in the small automatic mechanical switching device of high voltage control that be a kind of use for laboratory of the utility model
3 d effect graph on ceramics after disk inside switching device;
Figure 14 removing in the small automatic mechanical switching device of high voltage control that be a kind of use for laboratory of the utility model
Switching device interior three-dimensional design sketch on ceramics after disk, a high pressure banana connector and a hollow U-shaped block piece.
In figure:1. stepper motor;2. motor flange;3. annular seal space flange;4. high-field electrode flange port;5. annular seal space;6.
Shaft coupling;7. the upper disk of ceramics;8. high pressure banana connector;9. ceramic lower wall;10. float electrode;11. semicircle block piece;In 12.
Empty U-shaped block piece;13.U type ceramic spacers;901. first cage rings;902. second cage rings;903. the 3rd cage rings;
904. the 4th cage rings;905.U type card slots;101. copper ball;102. bronze medal extension bar.
Specific embodiment
The explanation that example carries out the utility model embodiment is applied below in conjunction with the accompanying drawings and specifically:
As shown in Figure 1, Figure 2, shown in Figure 10, a kind of use for laboratory of the utility model is opened in the small automatic machinery of high voltage control
Device is closed, externally including stepper motor 1, motor flange 2, annular seal space flange 3, annular seal space 5 and high-field electrode flange port 4,
And inside annular seal space 5, there are one the float electrodes 10 that shaft coupling 6 is connected to stepper motor 1 and switching device.
As shown in Figure 11, Figure 12, a kind of use for laboratory of the utility model is in the small automatic mechanical switch of high voltage control
Device, the switching device ceramics lower wall 9 inside annular seal space 5 are contacted with annular seal space 5, and switching device has a pair of symmetrical high pressure banana
Connector 8, disk 7 and ceramic lower wall 9 are modular removables on ceramics, and a plane has square hole and stepper motor 1 on shaft coupling 6
Rotor connection.
As shown in Fig. 2-10 and Figure 13-14, a kind of use for laboratory of the utility model is in the small automatic machine of high voltage control
Tool switching device, two high pressure banana connectors 8 and two hollow U-shaped block pieces 12 alternately can connect and compose a concentric circle
Ring, and be hollow structure inside the concentric annulus, the hollow structure also forms a concentric annulus, hollow
Annulus can contact copper ball 101 and U-shaped ceramic spacer 13 to slip over;When copper ball 101 is contacted with high pressure banana connector 8,
Entire float electrode 10 turns on two high pressure banana connectors 8.
As shown in Fig. 9, Figure 10, Figure 13 and Figure 14, a kind of use for laboratory of the utility model is in the small-sized automatic of high voltage control
Change mechanical switching device, float electrode 10 rotates under the drive of stepper motor 1 around the central axes of the first cage ring 901, and
Two semicircle block pieces 11 then with the copper extension bar 102 in float electrode 10 promotes and along the second cage ring 902 and the 3rd
Groove between cage ring 903 slides;Because two high pressure banana connectors 8 are just fixed on ceramics in disk 7 and ceramic lower wall 9
U-shaped card slot 905 in, so two high pressure banana connectors 8 and two hollow U-shaped block pieces 12 alternately connect and compose it is concentric
Annulus can not activity;Two U-shaped ceramic spacers 13 can be with the promotion of copper ball 101 in float electrode 10 and along hollow U-shaped
Block piece 12 and the cylindrical hollow slot in high pressure banana connector 8 and contact slide.
As shown in Fig. 2, Figure 10 and Figure 11, a kind of use for laboratory of the utility model is in the small automatic machinery of high voltage control
Switching device, high-voltage conducting wires are introduced from a high-field electrode flange port 4, are drawn, and are drawn from another high-field electrode flange port 4
The conducting wire entered is connected with a high pressure banana connector 8, and the conducting wire of extraction is then connected with another high pressure banana connector 8.
As shown in figure 9, a kind of use for laboratory of the utility model is in the small automatic mechanical switching device of high voltage control, pottery
Disk 7 and ceramic 9 inner surface of lower wall all contain the first cage ring 901, the second cage ring 902, the 3rd cage ring 903, the on porcelain
Four cage rings 904, but the height of each cage ring is different, common effect is to increase breakdown medium length, different effects
It is to provide card slot for other assemblies.
Specific implementation step is as follows:
Such as Fig. 1-14, a kind of use for laboratory of the utility model, will in the small automatic mechanical switching device of high voltage control
The copper ball 101 and U-shaped ceramic spacer 13 of float electrode 10 are put into the hollow groove of hollow U-shaped block piece 12, are then alternately connected
Two high pressure banana connectors 8 and two hollow U-shaped block pieces 12 are connect, two semicircle block pieces 11 are equally connected to flexible lamp
On the copper extension bar 102 of pole 10.
Further, the module described above connected is put into ceramic 9 corresponding groove of lower wall, mesohigh banana connects
First 8 projection portion should be put into the U-shaped card slot 905 of ceramic lower wall 9, and semicircle block piece 11 is placed on the second cage ring 902
And in the 3rd groove between cage ring 903, hollow U-shaped block piece 12 is put into the 4th cage ring 904 and the border of ceramic lower wall 9
Between groove in.
Further, disk on ceramics 7 is symmetrically covered into ceramic lower wall 9, the module between such two disk is just firmly fixed.
Then entire switching device is fixed on to the lower surface of annular seal space 5, then demarcated, it is ensured that in float electrode 10 and ceramics
U-shaped card slot 905 between disk 7 and ceramic lower wall 9 is vertical.
Further, the end that leads in/out of high-voltage conducting wires is passed through into the height with switching device respectively after high-field electrode flange port 4
Pressure banana connector 8 connects, and then connects stepper motor 1 with shaft coupling 6, and with annular seal space flange 3 entire annular seal space 5 is carried out close
Envelope, it is last toward insulating oil or 0.2-0.5MPa gas mediums is injected in closed chamber, can be it is any in following three kinds of gas or
Its arbitrary mixing of person:Pure air, N2、SF6。
After assembled above, it is only necessary to pass through the rotation of remote control stepper motor 1, it is possible to realize high-tension line
Connection and shut-off, and 1 each step of stepper motor can only be rotated by 90 °, i.e. a kind of use for laboratory of the utility model is in high voltage control
Small automatic mechanical switching device can only work in the case where being opened and closed two states.
Any modification, equivalent substitution, improvement and etc. done within the spirit and principle of the utility model, are all contained in
Within the scope of protection of the utility model.
Claims (10)
1. a kind of use for laboratory is in the small automatic mechanical switching device of high voltage control, it is characterised in that:Including stepping electricity
Mechanical, electrical machine flange and seal cavity are sequentially connected, the seal cavity include removable seal cell method blue, annular seal space and with it is close
Two high-field electrode flange ports that envelope chamber cylindrical side is connected, annular seal space inside include the connection being connected with annular seal space flange
Axis device and switching device, shaft coupling connection stepper motor and switching device, the switching device include the upper disk of ceramics,
Float electrode, two high pressure banana connectors, two semicircle block pieces between ceramic lower wall and the upper disk of ceramics, ceramic lower wall,
Two hollow U-shaped block pieces and two U-shaped ceramic spacers, described two high pressure banana connectors and two hollow U-shaped stops
Part alternately connects and composes a concentric hollow circular ring successively, and two of which high pressure banana connector accounts for the 1/ of entire annulus perimeter
Between 6 to 1/10, described two semicircle block pieces form concentric annulus and are connected, and U-shaped ceramic spacer can be in hollow U
Contact slide in type block piece and high pressure banana connector, the float electrode are formed by connecting by copper extension bar and copper ball, copper ball
Diameter is equal to the diameter of hollow U-shaped block piece and high pressure banana connector inner hollow cylinder, on the ceramics under disk and ceramics
Include the first cage ring, the second cage ring, the 3rd cage ring, the 4th cage ring and U-shaped card slot, upper disk and ceramic lower wall inside disk
Inside includes the first cage ring, the second cage ring, the 3rd cage ring, the 4th cage ring and U-shaped card slot, the described first isolation
Circle, the second cage ring, the 3rd cage ring, the 4th cage ring are coaxial core structures, between the second cage ring and the 3rd cage ring
Sliding slot of the circular groove as semicircle block piece, the upper disk of ceramics, the cylindricality border of ceramic lower wall and the 4th cage ring of inside
Between circular groove as place high pressure banana connector, hollow U-shaped block piece sliding slot.
2. a kind of use for laboratory according to claim 1 is in the small automatic mechanical switching device of high voltage control, special
Sign is:Gas medium full of insulating oil or 0.2-0.5MPa, Ke Yishi among the annular seal space flange and annular seal space
Any or its arbitrary mixing in following three kinds of gas:Pure air, N2、SF6。
3. a kind of use for laboratory according to claim 1 is in the small automatic mechanical switching device of high voltage control, special
Sign is:The float electrode, high pressure banana connector are that copper product is process, motor flange, annular seal space flange, sealing
Chamber and high-field electrode flange port are that stainless steel material is process, disk, ceramic lower wall, semicircle stop on shaft coupling, ceramics
Part, hollow U-shaped block piece and U-shaped ceramic spacer are that Machining of Ceramics forms.
4. a kind of use for laboratory according to claim 1 is in the small automatic mechanical switching device of high voltage control, special
Sign is:The float electrode being connected to by shaft coupling on stepper motor can be on ceramics between disk and ceramic lower wall
Around the first cage ring axis rotation, and stepper motor can only rotate 90 degree every time.
5. a kind of use for laboratory according to claim 1 is in the small automatic mechanical switching device of high voltage control, special
Sign is:One high-field electrode flange port is responsible for the introducing of high-voltage conducting wires, another high-field electrode flange port is responsible for height
Press the extraction of conducting wire.
6. a kind of use for laboratory according to claim 1 is in the small automatic mechanical switching device of high voltage control, special
Sign is:The conducting wire that the high-field electrode flange port introduces is connected to the high pressure banana connector of switching device, high-field electrode method
The conducting wire that blue mouth is drawn is connected to another high pressure banana connector of switching device.
7. a kind of use for laboratory according to claim 1 is in the small automatic mechanical switching device of high voltage control, special
Sign is:Two high pressure banana connectors and two hollow U-shaped block pieces alternately connect and compose concentric annulus, described same
The hollow groove of axle center annulus allows copper ball in float electrode and U-shaped ceramic spacer contact slide inside it.
8. a kind of use for laboratory according to claim 1 is in the small automatic mechanical switching device of high voltage control, special
Sign is:It is described when copper ball and high pressure banana junction contacts, switch is on;Stepper motor is rotated by 90 ° after conducting,
Switch is in disconnection.
9. a kind of use for laboratory according to claim 1 is in the small automatic mechanical switching device of high voltage control, special
Sign is:The high pressure banana connector projection is fixed in the U-shaped card slot on ceramics between disk and ceramic lower wall.
10. a kind of use for laboratory according to claim 1 is in the small automatic mechanical switching device of high voltage control, special
Sign is:The float electrode rotation can promote semicircle block piece and U-shaped ceramic spacer to be slided in corresponding slot;Institute
It is the stepper motor stated, shaft coupling, disk on ceramics, ceramic lower wall, float electrode, high pressure banana connector, semicircle block piece, hollow
U-shaped block piece and U-shaped ceramic spacer are all modular, installation and repair easy to disassemble;First cage ring, second
Cage ring, the 3rd cage ring, the 4th cage ring relative altitude are different.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721348043.4U CN207425700U (en) | 2017-10-19 | 2017-10-19 | A kind of use for laboratory is in the small automatic mechanical switching device of high voltage control |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721348043.4U CN207425700U (en) | 2017-10-19 | 2017-10-19 | A kind of use for laboratory is in the small automatic mechanical switching device of high voltage control |
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Publication Number | Publication Date |
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CN207425700U true CN207425700U (en) | 2018-05-29 |
Family
ID=62311987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721348043.4U Withdrawn - After Issue CN207425700U (en) | 2017-10-19 | 2017-10-19 | A kind of use for laboratory is in the small automatic mechanical switching device of high voltage control |
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CN (1) | CN207425700U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107546066A (en) * | 2017-10-19 | 2018-01-05 | 中国科学技术大学 | A kind of use for laboratory is in the small automatic mechanical switching device of high voltage control |
-
2017
- 2017-10-19 CN CN201721348043.4U patent/CN207425700U/en not_active Withdrawn - After Issue
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107546066A (en) * | 2017-10-19 | 2018-01-05 | 中国科学技术大学 | A kind of use for laboratory is in the small automatic mechanical switching device of high voltage control |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20180529 Effective date of abandoning: 20200403 |
|
AV01 | Patent right actively abandoned |