CN208256434U - Voltage transformer and its high-voltage connection positioning device - Google Patents
Voltage transformer and its high-voltage connection positioning device Download PDFInfo
- Publication number
- CN208256434U CN208256434U CN201820898464.2U CN201820898464U CN208256434U CN 208256434 U CN208256434 U CN 208256434U CN 201820898464 U CN201820898464 U CN 201820898464U CN 208256434 U CN208256434 U CN 208256434U
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- lead
- voltage connection
- conductive insert
- voltage
- positioning device
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Abstract
The utility model relates to voltage transformer and its high-voltage connection positioning devices, high-voltage connection positioning device includes conductive insert and the lead that is electrically connected for the high-voltage connection with primary coil, the lead is weldingly fixed on conductive insert far from one end of high-voltage connection, the lead is equipped with far from one end of high-voltage connection and is formed by lead step by least three welding surfaces for successively bending transition connection, and the conductive insert is equipped with and the identical inserts step being adapted to and be welded to connect with lead step of lead step.Inserts step is set on conductive insert, lead step is formed by by least three welding surfaces for successively bending transition connection far from one end setting of high-voltage connection in lead, it coincide to be adapted to and be welded and fixed with inserts step by lead step and connect, the insulation distance between lead and the outer surface of insulator is increased, to ensure that the insulation performance of product.
Description
Technical field
The utility model relates to voltage transformer and its high-voltage connection positioning devices.
Background technique
In the operational process of electric system, guarantee that the stable operation of electric system is vital.In recent years, high pressure
Primary end add the voltage transformer of fuse due to security performance is high, occupy little space, be safe and reliable to operation the advantages that it is standby
Favored by user, voltage transformer, which is once held, installs fuse additional, not only can protect voltage transformer, but also can effectively prevent
Only influence of the lead-out wire failure to electric system.Due to having installed fuse additional, the high-voltage connection needs of first winding draw be connected to it is molten
On disconnected device, the positioning device in production process usually using first winding, which achievees the purpose that draw, to be connect.As shown in Figure 1 to Figure 3, voltage
Mutual inductor includes insulator 2, and iron core 4 is equipped in insulator 2, secondary winding 5 is fixed on iron core 4, is fixed in secondary winding 5
The high-voltage connection end of first winding 3, first winding 3 is equipped with high-voltage connection positioning device, and high-voltage connection positioning device includes arc
Supporting plate 13, conductive insert 11 and the lead 12 for connecting arc pallet 13 and conductive insert 11.Since lead 12 and conduction are embedding
The welding surface of part 11 causes lead 12 closer apart from the outer surface of insulator 2, makes high-voltage end in the upper surface of conductive insert 11
Reduce with the insulation distance of low-pressure end, thus the insulation performance that product will be will affect.
Utility model content
The purpose of this utility model is to provide a kind of high-voltage connection positioning devices, to solve to be fixed in the prior art to lead
The problem of outer surface of the lead apart from insulator on electric inserts is closer, and effective insulation distance is caused to reduce；The utility model
Purpose also reside in a kind of voltage transformer using the high-voltage connection positioning device be provided.
To achieve the above object, the technical solution of the utility model high-voltage connection positioning device is:
High-voltage connection positioning device includes conductive insert and the lead that is electrically connected for the high-voltage connection with primary coil,
The lead is weldingly fixed on conductive insert far from one end of high-voltage connection, the one end of the lead far from high-voltage connection
Be formed by lead step equipped at least three welding surfaces by successively bending transition connection, the conductive insert be equipped with
Inserts step lead step identical adaptation and be welded to connect with lead step.
The lead has the lower end for being conductively connected with high-voltage connection, the upper end of conductive insert and the lead
It is welded and fixed, there is at least one horizontal welding surface at least three welding surfaces on the lead step and is located at the water
Two vertical welding surfaces of the upper and lower two sides of downhand welding junction.
The upper surface of the conductive insert is higher than the upper top surface of the lead in the up-down direction.
The inserts step is the ring-shaped step along conductive insert circumferentially.
The lead is equipped with far from one end of conductive insert for the arc pallet with primary coil external shape fits, described
Lead is electrically connected by arc pallet with high-voltage connection.
To achieve the above object, the technical solution of the utility model voltage transformer is:
Voltage transformer includes that insulator and setting are fixed with secondary winding on the intracorporal iron core that insulate, the iron core,
First winding is fixed in secondary winding, the high-voltage connection end of first winding is equipped with high-voltage connection positioning device, and the high pressure is drawn
Line positioning device includes conductive insert and the lead that is electrically connected for the high-voltage connection with primary coil, and the lead is separate
One end of high-voltage connection is weldingly fixed on conductive insert, and the lead is equipped with far from one end of high-voltage connection by successively bending
At least three welding surfaces of transition connection are formed by lead step, and the conductive insert is equipped with to coincide with lead step
The inserts step for being adapted to and being welded to connect with lead step.
The lead has the lower end for being conductively connected with high-voltage connection, the upper end of conductive insert and the lead
It is welded and fixed, there is at least one horizontal welding surface at least three welding surfaces on the lead step and is located at the water
Two vertical welding surfaces of the upper and lower two sides of downhand welding junction.Guarantee the reliability of welding.
The upper surface of the conductive insert is higher than the upper top surface of the lead in the up-down direction.Ensure that biggish has
Imitate insulation distance.
The inserts step is the ring-shaped step along conductive insert circumferentially.Reduce the materials'use of conductive insert
Amount, reduces production cost.
The lead is equipped with far from one end of conductive insert for the arc pallet with primary coil external shape fits, described
Lead is electrically connected by arc pallet with high-voltage connection.Guarantee the reliable electrical connection of high-voltage connection and lead.
The beneficial effects of the utility model are: compared with prior art, inserts step, lead are arranged on conductive insert
One end setting far from high-voltage connection is formed by lead step by least three welding surfaces for successively bending transition connection, leads to
It crosses lead step and inserts step and coincide to be adapted to and be welded and fixed and connect, increase between lead and the outer surface of insulator
Insulation distance, to ensure that the insulation performance of product；Increase bonding area simultaneously, ensure that be welded and fixed connection can
By property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of voltage transformer in the prior art；
Fig. 2 is the structural schematic diagram at another visual angle of voltage transformer in the prior art；
Fig. 3 is the structural schematic diagram of the high-voltage connection positioning device of voltage transformer in the prior art；
Fig. 4 is the structural schematic diagram of the specific embodiment 1 of the voltage transformer of the utility model；
Fig. 5 is the structural schematic diagram at another visual angle of the specific embodiment 1 of the voltage transformer of the utility model；
Fig. 6 is the structural representation of the high-voltage connection positioning device of the specific embodiment 1 of the voltage transformer of the utility model
Figure；
Fig. 7 is the structural schematic diagram of the conductive insert of Fig. 6 mesohigh wire positioning device；
Fig. 8 is the structural schematic diagram of the lead of Fig. 6 mesohigh wire positioning device；
Fig. 9 is the structural representation of the high-voltage connection positioning device of the specific embodiment 2 of the voltage transformer of the utility model
Figure.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment 1 of the voltage transformer of the utility model, as shown in Fig. 4 to Fig. 8, voltage transformer includes insulation
Body 7 and the iron core 8 being arranged in insulator 7, are fixed with secondary winding 10 on iron core 8, in secondary winding 10 it is fixed once around
The high-voltage connection end of group 9, first winding 9 is equipped with high-voltage connection positioning device 6.As shown in Figure 6 to 8, high-voltage connection positioning dress
Setting 6 includes arc pallet 63, conductive insert 61 and the lead 62 for connecting arc pallet 63 and conductive insert 61, conductive insert 61
It is equipped with inserts step 611, lead 62 is equipped with lead step 621 far from one end of high-voltage connection, and lead step 621 has
There are the end welding surface 622 and side welding surface 623 that cooperation is welded and fixed with inserts step 611, end welding surface 622 constitutes
Vertical welding surface, side welding surface 623 constitute horizontal welding surface.Compared with prior art, inserts is set on conductive insert
Step, lead, which is formed by far from one end setting of high-voltage connection by least three welding surfaces for successively bending transition connection, to be drawn
Line arranges step, and coincideing to be adapted to and be welded and fixed with inserts step by lead step connect, and increases lead and insulator
Outer surface between insulation distance, to ensure that the insulation performance of product；Bonding area is increased simultaneously, ensure that welding
The reliability being fixedly connected.In other embodiments, it can be not provided with arc pallet, lead is directly conductive with high-voltage connection
It is fixedly connected.
As shown in figure 8, lead step 621 is level-one step in the present embodiment, corresponding inserts step 611 is level-one
Step increases the welding surface of conductive insert and lead by the cooperation of lead step and inserts step, guarantees that welding is solid
Fixed stability.In other embodiments, inserts step is two stage steps, and corresponding lead step is two stage steps.Such as Fig. 6
Shown, the upper surface of conductive insert 61 is higher than the upper side of the one end of lead 62 far from arc pallet 63, ensure that biggish
Effective insulation distance.In other embodiments, the upper surface of conductive insert is less than or equal to one of lead far from arc pallet
The upper surface at end, compared with the prior art for, reduce the height of a step surface, increase the insulation of a step surface away from
From so as to improve the insulation performance of product.As shown in fig. 7, inserts step 611 is the annular along conductive insert 61 circumferentially
Step reduces the materials'use amount of conductive insert, reduces production cost.In other embodiments, only on conductive insert
Step is set towards the side of lead, reduces the workload of machining, reduces labor intensity.
High-voltage connection positioning device in the present embodiment is welded on lead on the face lower than conductive insert, not only reduces
The materials'use amount of conductive insert, reduces costs, and guarantee that lead is not take up effective insulation distance；It increases simultaneously
Bonding area, the conductive insert and lead for solving positioning device in the prior art are welded and fixed not firm, are easy to make
The problems such as at product flashover, electric discharge.
The specific embodiment 2 of the voltage transformer of the utility model, as shown in figure 9, existing with the difference of specific embodiment 1
In inserts step 611 is to be formed by two stage steps, corresponding lead by three vertical welding surfaces and two horizontal welding surfaces
Step 621 is two stage steps.
The specific embodiment of the high-voltage connection positioning device of the utility model, the high-voltage connection positioning device in the present embodiment
Identical as the structure of high-voltage connection positioning device described in the specific embodiment 1 or 2 of above-mentioned voltage transformer, it will not go into details.
Claims (10)
1. high-voltage connection positioning device, including conductive insert and the lead being electrically connected for the high-voltage connection with primary coil,
The lead is weldingly fixed on conductive insert far from one end of high-voltage connection, it is characterised in that: the lead is far from high
One end of voltage lead wires, which is equipped with, is formed by lead step, the conduction by least three welding surfaces for successively bending transition connection
Inserts is equipped with and the identical inserts step being adapted to and be welded to connect with lead step of lead step.
2. high-voltage connection positioning device according to claim 1, it is characterised in that: the lead, which has, to be used for and high pressure
The lower end that lead is conductively connected, the upper end of conductive insert and the lead are welded and fixed, on the lead step at least
With at least one horizontal welding surface and positioned at two vertically welding of the horizontal upper and lower two sides of welding surface in three welding surfaces
Face.
3. high-voltage connection positioning device according to claim 2, it is characterised in that: the upper surface of the conductive insert is upper
Lower section is higher than the upper top surface of the lead upwards.
4. high-voltage connection positioning device according to claim 1 or 2 or 3, it is characterised in that: the inserts step is that edge is led
The ring-shaped step of electric inserts circumferentially.
5. high-voltage connection positioning device according to claim 1 or 2 or 3, it is characterised in that: the lead is far from conductive
One end of inserts is equipped with for the arc pallet with primary coil external shape fits, and the lead is drawn by arc pallet and high pressure
Line electrical connection.
6. voltage transformer, including insulator and setting are fixed with secondary winding on the intracorporal iron core that insulate, the iron core, two
First winding is fixed on secondary winding, the high-voltage connection end of first winding is equipped with high-voltage connection positioning device, it is characterised in that: institute
The lead that high-voltage connection positioning device includes conductive insert and is electrically connected for the high-voltage connection with primary coil is stated, it is described to draw
Line is arranged to be weldingly fixed on conductive insert far from one end of high-voltage connection, the lead far from one end of high-voltage connection be equipped with by
Successively at least three welding surfaces of bending transition connection are formed by lead step, and the conductive insert is equipped with and lead
Inserts step step identical adaptation and be welded to connect with lead step.
7. voltage transformer according to claim 6, it is characterised in that: the lead has for leading with high-voltage connection
The upper end of the lower end of electrical connection, conductive insert and the lead is welded and fixed, at least three welderings on the lead step
There are at least one horizontal welding surface and two vertical welding surfaces positioned at the horizontal upper and lower two sides of welding surface in junction.
8. voltage transformer according to claim 7, it is characterised in that: the upper surface of the conductive insert is in above-below direction
The upper upper top surface higher than the lead.
9. voltage transformer described according to claim 6 or 7 or 8, it is characterised in that: the inserts step is along conductive insert
Ring-shaped step circumferentially.
10. voltage transformer described according to claim 6 or 7 or 8, it is characterised in that: the lead is far from conductive insert
One end be equipped with for the arc pallet with primary coil external shape fits, the lead passes through arc pallet and high-voltage connection electricity
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820898464.2U CN208256434U (en) | 2018-06-11 | 2018-06-11 | Voltage transformer and its high-voltage connection positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820898464.2U CN208256434U (en) | 2018-06-11 | 2018-06-11 | Voltage transformer and its high-voltage connection positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208256434U true CN208256434U (en) | 2018-12-18 |
Family
ID=64654151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820898464.2U Expired - Fee Related CN208256434U (en) | 2018-06-11 | 2018-06-11 | Voltage transformer and its high-voltage connection positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208256434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116246869A (en) * | 2023-03-14 | 2023-06-09 | 上海纳宇电气有限公司 | Novel structure of current transformer with one-time multi-turn lead and production process thereof |
-
2018
- 2018-06-11 CN CN201820898464.2U patent/CN208256434U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116246869A (en) * | 2023-03-14 | 2023-06-09 | 上海纳宇电气有限公司 | Novel structure of current transformer with one-time multi-turn lead and production process thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 |