CN207637620U - A kind of plateau type voltage transformer - Google Patents
A kind of plateau type voltage transformer Download PDFInfo
- Publication number
- CN207637620U CN207637620U CN201721591030.XU CN201721591030U CN207637620U CN 207637620 U CN207637620 U CN 207637620U CN 201721591030 U CN201721591030 U CN 201721591030U CN 207637620 U CN207637620 U CN 207637620U
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- CN
- China
- Prior art keywords
- voltage transformer
- insulating sheath
- connecting terminal
- cable
- pressure cap
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of plateau type voltage transformers, including voltage transformer ontology, voltage transformer binding post is provided on voltage transformer ontology, voltage transformer connecting terminal is provided on voltage transformer binding post, it further include outlet connection component, outlet connection component includes connecting screw, crimping nut, insulating sheath and insulation pressure cap, the lower end of connecting screw is threadedly coupled with voltage transformer connecting terminal, crimping nut is set on connecting screw, for cable connecting terminal to be pressed in voltage transformer connecting terminal, insulating sheath is arranged on voltage transformer binding post, insulation pressure cap is arranged at the top of insulating sheath, cable perforating is offered on the side wall of insulating sheath.The utility model can ensure reliability and weatherability of the voltage transformer in high altitude environment, improve mechanical life and the electrical endurance of voltage transformer.
Description
Technical field
The utility model is related to electrical equipment technical field more particularly to a kind of plateau type voltage transformers.
Background technology
With the great development of national strategy to develop western regions and Western Energy Resources economy, the height for adapting to high altitude environment is pressed into
The demand for covering switchgear is increasing.According to national standard, the normal altitude environment that high pressure complete sets of products uses is 1000m
And hereinafter, the normal altitude environment that uses of low-voltage complete product is 2000m and following.More than the complete sets of products of normal height above sea level
Possibly can not bring into normal play function under harsh natural environment, or lead to reduced service life.For traditional mutual induction of voltage
For device, since its connecting terminal is directly exposed in external environment, the applicability in high altitude environment and weatherability
It is worse.
Utility model content
The purpose of this utility model is to provide a kind of plateau type voltage transformers, and voltage transformer can be ensured in Gao Hai
The reliability and weatherability in environment are pulled out, mechanical life and the electrical endurance of voltage transformer are improved.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of plateau type voltage transformer, including voltage transformer ontology are provided on the voltage transformer ontology
Voltage transformer binding post is provided with voltage transformer connecting terminal on the voltage transformer binding post, further includes outlet
Connection component, the outlet connection component include connecting screw, crimping nut, insulating sheath and insulation pressure cap, the company
The lower end for connecing screw rod is threadedly coupled with voltage transformer connecting terminal, and the crimping nut is set on connecting screw, is used for
Cable connecting terminal is pressed on voltage transformer connecting terminal, the insulating sheath is arranged in voltage transformer binding post
On, the insulation pressure cap, which is arranged on the top of insulating sheath, the side wall of insulating sheath, offers cable perforating.
It is additionally provided with spring washer and plain washer between the crimping nut and voltage transformer connecting terminal, it is described
Spring washer and plain washer are sequentially sleeved on connecting screw from the top down.
The lower part of the insulation pressure cap is provided with embedded nut, upper end and the embedded nut screw thread of the connecting screw
Connection.
Insulation silicone grease, insulation shield are coated in the contact surface of the voltage transformer binding post and insulating sheath
Set is coated with insulation silicone grease in the contact surface of insulation pressure cap.
Cable perforating on the insulating sheath extends outward to form cable cover(ing).
Cable surface in the cable cover(ing) is coated with insulation silicone grease.
Outer six side's screws are provided at the top of the insulation pressure cap.
The utility model connects voltage transformer connecting terminal and cable connecting terminal using connecting screw with crimping nut,
Insulated enclosure is carried out to the outlet junction of voltage transformer using insulating sheath and insulation pressure cap, makes the outlet of voltage transformer
Type of attachment is changed to interfacial insulator cable connection by terminal connection, has fully ensured that thickness of insulating layer, improves between electrode
Flashing distance and creepage distance enhance applicability and weatherability of the voltage transformer in high altitude environment.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of outlet connection component described in the utility model.
Specific implementation mode
As shown in Figure 1, a kind of plateau type voltage transformer described in the utility model, including voltage transformer ontology 1, electricity
It is provided with voltage transformer binding post 2 on pressure mutual inductor ontology 1, being provided with voltage transformer on voltage transformer binding post 2 connects
Line terminals 4.Outlet is additionally provided on the voltage transformer binding post 2 of the utility model and voltage transformer connecting terminal 4 to connect
Component 3.As shown in Fig. 2, outlet connection component 3 includes connecting screw 11, crimping nut 7, insulating sheath 12 and insulation pressure cap 8,
The lower end of connecting screw 11 screws in voltage transformer connecting terminal 4, is threadedly coupled with it, crimping nut 7 is set in connection spiral shell
On bar 11, for cable connecting terminal to be pressed in voltage transformer connecting terminal 4.The crimping nut 7 and electricity of the utility model
Be additionally provided with spring washer 6 and plain washer 5 between pressure wire connecting terminal of transformer 4, spring washer 6 and plain washer 5 from the top down according to
It is secondary to be set on connecting screw 11, when crimping nut 7 is screwed down, cable connection can be made by spring washer 6 and plain washer 5
Terminal is securely adjacent to voltage transformer connecting terminal 4.
The insulating sheath 12 of the utility model is arranged on voltage transformer binding post 2, voltage transformer binding post 2 with absolutely
Insulation silicone grease is coated in the contact surface of edge sheath 12, voltage transformer connecting terminal 4 is located in insulating sheath 12, insulating sheath
Offer cable perforating on 12 side wall, cable perforating extends outward to form cable cover(ing) 14, and cable 13 is from cable cover(ing)
It is pierced by 14, the cable surface in cable cover(ing) 14 is coated with insulation silicone grease.Insulation pressure cap 8 is arranged at the top of insulating sheath 12,
Insulating sheath 12 is coated with insulation silicone grease in the contact surface of insulation pressure cap 8.The lower part of insulation pressure cap 8 is provided with embedded nut 9,
The upper end of connecting screw 11 is threadedly coupled with embedded nut 9, and the top of insulation pressure cap 8 is provided with outer six side's screws 10, using pulling
The outer six side's screws 10 of the auxiliary tools such as hand rotation, can make the embedded nut 9 in insulation pressure cap 8 gradually move down the connecting screw that is spirally connected
11, and then insulation pressure cap 8 and insulating sheath 12 is made to be fixed on voltage transformer binding post 2.
When the utility model is used, screw in connecting screw 11 in exposed voltage transformer connecting terminal 4 first, it will
It is placed on voltage transformer connecting terminal 4 across cable cover(ing) 14 and the cable connecting terminal that is pierced by insulating sheath 12, with flat
After cable connecting terminal is pressed on voltage transformer connecting terminal 4 by washer 5, spring washer 6 and crimping nut 7, it will be close to
The cable surface of cable connecting terminal and the surface wipes of voltage transformer binding post 2 are clean and coat insulation silicone grease, then phase
So that the cable surface for being coated with insulation silicone grease is located in cable cover(ing) 14 mobile insulating sheath 12, while insulating sheath 12 being made to be located at
On voltage transformer binding post 2, by the upper surface wiped clean of insulating sheath 12 and insulation silicone grease is applied, insulation pressure cap 8 is screwed
It is pressed into insulating sheath 12, so that the upper end of connecting screw 11 is spirally connected with embedded nut 9, so far the interfacial seal of voltage transformer entirety is exhausted
Edge, no leakage electric conductor.The utility model realizes the outlet connection of voltage transformer using interfacial insulator form, fully ensures that
Thickness of insulating layer, the flashing distance between increasing between electrode and creepage distance, enhance voltage transformer reliability and
Weatherability.
Claims (7)
1. a kind of plateau type voltage transformer, including voltage transformer ontology, electricity is provided on the voltage transformer ontology
Mutual inductor interstar connection column is pressed, voltage transformer connecting terminal is provided on the voltage transformer binding post, it is characterised in that：Also
Including outlet connection component, the outlet connection component include connecting screw, crimping nut, insulating sheath and insulation pressure cap,
The lower end of the connecting screw is threadedly coupled with voltage transformer connecting terminal, and the crimping nut is set in connecting screw
On, for cable connecting terminal to be pressed in voltage transformer connecting terminal, the insulating sheath is arranged in voltage transformer
On binding post, the insulation pressure cap, which is arranged on the top of insulating sheath, the side wall of insulating sheath, offers cable perforating.
2. a kind of plateau type voltage transformer as described in claim 1, it is characterised in that：The crimping nut and voltage are mutual
Spring washer and plain washer are additionally provided between sensor connecting terminal, the spring washer and plain washer cover successively from the top down
It is located on connecting screw.
3. a kind of plateau type voltage transformer as claimed in claim 2, it is characterised in that：The lower part of the insulation pressure cap is set
It is equipped with embedded nut, the upper end of the connecting screw is threadedly coupled with embedded nut.
4. a kind of plateau type voltage transformer as claimed in claim 3, it is characterised in that：The voltage transformer binding post
Be coated with insulation silicone grease in the contact surface of insulating sheath, the insulating sheath is coated with absolutely in the contact surface of insulation pressure cap
Edge silicone grease.
5. a kind of plateau type voltage transformer as claimed in claim 4, it is characterised in that：Cable on the insulating sheath
Perforating extends outward to form cable cover(ing).
6. a kind of plateau type voltage transformer as claimed in claim 5, it is characterised in that：Cable in the cable cover(ing)
Surface is coated with insulation silicone grease.
7. a kind of plateau type voltage transformer as claimed in claim 6, it is characterised in that：It is set at the top of the insulation pressure cap
It is equipped with outer six side's screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721591030.XU CN207637620U (en) | 2017-11-24 | 2017-11-24 | A kind of plateau type voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721591030.XU CN207637620U (en) | 2017-11-24 | 2017-11-24 | A kind of plateau type voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207637620U true CN207637620U (en) | 2018-07-20 |
Family
ID=62857927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721591030.XU Expired - Fee Related CN207637620U (en) | 2017-11-24 | 2017-11-24 | A kind of plateau type voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207637620U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024023270A1 (en) | 2022-07-28 | 2024-02-01 | Carl Zeiss Vision International Gmbh | Ophthalmological apparatus comprising a magnetic chin rest |
| EP4356816A1 (en) | 2022-10-19 | 2024-04-24 | Carl Zeiss Vision International GmbH | Ophthalmological apparatus comprising a magnetic chin rest |
-
2017
- 2017-11-24 CN CN201721591030.XU patent/CN207637620U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024023270A1 (en) | 2022-07-28 | 2024-02-01 | Carl Zeiss Vision International Gmbh | Ophthalmological apparatus comprising a magnetic chin rest |
| EP4356816A1 (en) | 2022-10-19 | 2024-04-24 | Carl Zeiss Vision International GmbH | Ophthalmological apparatus comprising a magnetic chin rest |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180720 Termination date: 20191124 |