CN206441604U - A kind of modified form electronic type voltage transformer - Google Patents
A kind of modified form electronic type voltage transformer Download PDFInfo
- Publication number
- CN206441604U CN206441604U CN201720134198.1U CN201720134198U CN206441604U CN 206441604 U CN206441604 U CN 206441604U CN 201720134198 U CN201720134198 U CN 201720134198U CN 206441604 U CN206441604 U CN 206441604U
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- CN
- China
- Prior art keywords
- voltage transformer
- electronic type
- type voltage
- silica gel
- electrically insulating
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Abstract
The utility model is related to transformer technical field, particularly a kind of modified form electronic type voltage transformer, integrally wrap up electrically insulating silicone rubber shell in outer surface, the circumferentially disposed insulation tube of electrically insulating silicone rubber outer casing inner wall, metal aluminium lid, metal aluminium lid and the space filling electrically insulating silicone rubber at the top of silicon rubber casings are set at the top of inwall；High pressure silica gel lead is drawn from metallic aluminium cap upper surface and passes through electrically insulating silicone rubber shell to the external world, the silicon rubber contact portion of electrically insulating silicone rubber shell and high pressure silica gel lead vulcanizes into a single integrated structure at high temperature, and metal aluminium lid is conductively connected with high-voltage bleeder top and high pressure silica gel lead respectively.The utility model is using high pressure silica gel leading conductive high voltage to divider high-pressure side, exterior insulation silicon rubber integral high-temperature vulcanization integrative-structure, overcoming has the exposed insulation defect of metal connection point between original voltage transformer and high pressure silica gel lead, reduce and externally puncture and climb electric possibility, improve the insulation safety performance of electronic type voltage transformer.
Description
Technical field
The utility model is related to transformer technical field, more particularly to a kind of modified form electronic type voltage transformer.
Background technology
Transformer is measurement, monitoring, the equipment of relay protection in power system, is widely used in outdoor high-voltage vacuum and breaks
On the device of road.Because power system is improved constantly in terms of monitoring, control and protection to automation and intelligentized requirement, electronics
Formula transformer effectively overcomes the shortcoming of conventional electromagnetic transformer, with small volume, lightweight, transient performance it is good, without ferromagnetic
Resonance, without magnetic saturation phenomenon, excellent insulating properties the advantages of, be adapted to electric power digital, intelligent and networking
The need for.
At present, 10KV Standard types vacuum switch, particularly ZW20, FZW28 type Standard type vacuum switch, using sky
Between limited common box type structure.Electronic type voltage transformer structure such as Fig. 1 used such as shows, the high pressure of its electronic type voltage transformer
The high-pressure side metal connection point 12 of divider 1 is exposed outside, easily outwards punctures and climbs electric possibility, makes electronic type voltage
The insulation safety performance of transformer is substantially reduced, while have impact on the service life of electronic type voltage transformer.
Utility model content
Not enough for more than, the modified form electronic type voltage transformer that the utility model is provided efficiently solves electronics
Formula voltage transformer using central electric discharge and is climbing electric problem.
The technical solution of the utility model is：
A kind of modified form electronic type voltage transformer, including high-voltage bleeder and the secondary output lead of voltage, its feature exist
In the electronic type voltage transformer also includes electrically insulating silicone rubber shell, insulation tube, metal aluminium lid and high pressure silica gel lead；Institute
State electronic type voltage transformer outer surface and integrally wrap up electrically insulating silicone rubber shell, the electrically insulating silicone rubber outer casing inner wall circumferencial direction
Set and metal aluminium lid is set at the top of insulation tube, inwall, the metal aluminium lid and the space filling of electrically insulating silicone rubber cover top portion are exhausted
Edge silicon rubber；The high pressure silica gel lead includes conductive copper conductor core and is wrapped in the SOI rubber of copper conductor core periphery
Glue, draws from metallic aluminium cap upper surface and passes through the electrically insulating silicone rubber shell to electronic type voltage transformer outside, described exhausted
The silicon rubber contact portion of edge silicon rubber casings and high pressure silica gel lead vulcanizes into a single integrated structure at high temperature, the metal aluminium lid
It is conductively connected respectively with high-voltage bleeder top and high pressure silica gel lead.The metal aluminium lid and high pressure silica gel lead connected mode
Be covered with centre bore for, metallic aluminium, high pressure silica gel lead by the centre bore and metal aluminium lid with bolt connection or welding or
The mode of crimping is connected.
The metal aluminium lid is connected with high-voltage bleeder top in the way of bolt connection or welding or crimping.
The insulation tube is fiberglass pipe or epoxy resins insulation pipe.
Space fill insulant between the high-voltage bleeder and fiberglass pipe or epoxy resins insulation pipe.
The insulating materials is epoxy resin embedding adhesive or liquid dielectric silicon rubber or hydraulic pressure silica gel.
The electrically insulating silicone rubber outer casing bottom is provided with copper mold insert, and the electronic type voltage transformer bottom sets mounting bracket,
The copper mold insert is connected by bolt with mounting bracket, and the mounting bracket side has aperture, and the secondary output lead passes through small
Draw in hole.
Space fill insulant between the electronic type voltage transformer and mounting bracket.
The insulating materials is epoxy resin embedding adhesive or liquid dielectric silicon rubber or hydraulic pressure silica gel.
The high-voltage bleeder is resitstance voltage divider or capacitive divider or RC divider.
The utility model conducts electric high pressure, exterior insulation silicon rubber bag using top high pressure silica gel lead by metal aluminium lid
Wrap up in formula integral high-temperature vulcanization integrative-structure, it is ensured that the External Insulation of high-voltage connection, and ensure that voltage transformer is integrally external
Good insulation.The integrated formed structure, which can be overcome between original voltage transformer and high pressure silica gel lead, to be had outside metal connection point
The fatal insulation shortcoming of dew, significantly improves the integral insulation level of electronic type voltage transformer, reduces and externally puncture and climb
The possibility of electricity, improves the insulation safety of electronic type voltage transformer.It is limited in 10kV pole-mounted circuit breakers particularly space
ZW20, FZW28 common box type structure, application of the present utility model is significant.
Brief description of the drawings
Fig. 1 is the structure chart of electronic type voltage transformer in the prior art；
Fig. 2 is the top view of the utility model modified form electronic type voltage transformer；
Fig. 3 is cross section structure figures of the Fig. 2 along line A-A.
Embodiment
The technique effect of design of the present utility model, concrete structure and generation is made furtherly below with reference to accompanying drawing
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Fig. 2 and Fig. 3 is the embodiment one and embodiment two of improved electric minor voltage transformer of the present utility model.
Embodiment one, referring to figs. 2 and 3, the modified form electronic type voltage transformer of the present embodiment, including resitstance voltage divider
1 and the secondary output lead 11 of voltage, in addition to electrically insulating silicone rubber shell 2, insulation tube 3, metal aluminium lid 4 and high pressure silica gel lead 5；
Integrally wrap up electrically insulating silicone rubber shell 2, the circumferentially disposed insulation of the inwall of electrically insulating silicone rubber shell 2 in electronic type voltage transformer outer surface
Pipe 3, the material of insulation tube 3 is fiberglass pipe, is played a part of being insulation and supports insulative silicon rubber casings 2.High pressure point
Space filling electrically insulating silicone rubber between depressor 1 and fiberglass pipe, to play the effect further insulated.Outside electrically insulating silicone rubber
Metal aluminium lid 4, metal aluminium lid 4 and the space filling electrically insulating silicone rubber at the top of electrically insulating silicone rubber shell 2 are set at the top of the inwall of shell 2,
To realize that the upper end of metal aluminium lid 4 is insulated.
High pressure silica gel lead 5 includes conductive copper conductor core and is wrapped in the electrically insulating silicone rubber of copper conductor core periphery, high
Pressure silica gel lead 5 is drawn from the upper surface of metal aluminium lid 4 and passes the electrically insulating silicone rubber shell 2 to outside electronic type voltage transformer
The silicon rubber contact portion of face, the electrically insulating silicone rubber shell 2 and high pressure silica gel lead 5 vulcanizes into a single integrated structure at high temperature,
The External Insulation of high pressure silica gel lead 5 can be ensured, and ensure the overall externally good insulation of electronic type voltage transformer.
Metal aluminium lid 4 connects with the high pressure top of high-voltage bleeder 1 and the copper conductor core conduction of high pressure silica gel lead 5 respectively
Connect, high voltage is transmitted to the high-pressure side of high-voltage bleeder 1 by high pressure silica gel lead 5 by metal aluminium lid 4.
Metal aluminium lid 4 is that metal aluminium lid 4 is provided with centre bore, high pressure silica gel lead 5 with the connected mode of high pressure silica gel lead 5
Pass through the centre bore and the lower surface bolt connection of metal aluminium lid 4；Other metal aluminium lid 4 can not also set centre bore, high pressure silicon
Glue lead 5 can take the modes such as bolt connection, welding, crimping to connect with directly in the upper surface of metal aluminium lid 4 or side, metallic aluminium
Lid 4 and the top bolt connection of high-voltage bleeder 1.
The bottom of electrically insulating silicone rubber shell 2 is provided with copper mold insert 21, and electronic type voltage transformer bottom sets mounting bracket 6, described
Copper mold insert 21 is connected by bolt with mounting bracket 6, and the side of mounting bracket 6 has aperture 61, the secondary output lead of voltage
11 are drawn by aperture 61.Space filling electrically insulating silicone rubber between electronic type voltage transformer and mounting bracket 6, makes electronic type electricity
Press transformer and the integrated structure of mounting bracket 6.
Embodiment two, referring still to Fig. 2 and Fig. 3, the modified form electronic type voltage transformer of the present embodiment, including voltage point
Depressor 1 and the secondary output lead 11 of voltage, in addition to electrically insulating silicone rubber shell 2, insulation tube 3, metal aluminium lid 4 and high pressure silica gel draw
Line 5；Electrically insulating silicone rubber shell 2 is integrally wrapped up in electronic type voltage transformer outer surface, and the inwall of electrically insulating silicone rubber shell 2 is circumferentially disposed
Insulation tube 3, the material of insulation tube 3 is epoxy resins insulation pipe, is played a part of being insulation and supports insulative silicon rubber casings
2.Space fill insulant epoxy resin embedding adhesive between high-voltage bleeder 1 and epoxy resin insulation tube, to play into one
Walk the effect of insulation.Metal aluminium lid 4, metal aluminium lid 4 and electrically insulating silicone rubber shell 2 are set at the top of the inwall of electrically insulating silicone rubber shell 2
The space filling electrically insulating silicone rubber at top, to realize that the upper end of metal aluminium lid 4 is insulated.
High pressure silica gel lead 5 includes conductive copper conductor core and is wrapped in the electrically insulating silicone rubber of copper conductor core periphery, high
Pressure silica gel lead 5 is drawn from the upper surface of metal aluminium lid 4 and passes the electrically insulating silicone rubber shell 2 to outside electronic type voltage transformer
The silicon rubber contact portion of face, the electrically insulating silicone rubber shell 2 and high pressure silica gel lead 5 vulcanizes into a single integrated structure at high temperature,
The External Insulation of high pressure silica gel lead 5 can be ensured, and ensure the overall externally good insulation of electronic type voltage transformer.
The top high-pressure section of metal aluminium lid 4 and high-voltage bleeder 1 is welded, and metal aluminium lid 4 is provided with centre bore, high pressure silica gel
Lead 5 is welded by the centre bore and the lower surface of metal aluminium lid 4, and high voltage is by high pressure silica gel lead 5 by metal aluminium lid 4
It is transmitted to the high-pressure side of high-voltage bleeder 1.
The bottom of electrically insulating silicone rubber shell 2 is provided with copper mold insert 21, and electronic type voltage transformer bottom sets mounting bracket 6, described
Copper mold insert 21 is connected by bolt with mounting bracket 6, and the side of mounting bracket 6 has aperture 61, the secondary output lead of voltage
11 are drawn by aperture 61.Space fill insulant epoxy resin between electronic type voltage transformer and mounting bracket 6, makes electricity
Minor voltage transformer and the integrated structure of mounting bracket 6.
Compared with prior art, the utility model ameliorative electronic type voltage transformer integrated formed structure, it is ensured that
The External Insulation of high-voltage connection, and ensure the overall externally good insulation of voltage transformer.The integrated formed structure can overcome original
There is the fatal insulation shortcoming for having metal connection point exposed between voltage transformer and high pressure silica gel lead, make electronic type voltage mutual inductance
The integral insulation level of device is significantly improved, and is reduced the possibility for externally puncturing and climbing electricity, is improved electronic type voltage transformer
Insulation safety.It is significant not only for limited ZW20, FZW28 the common box type pole-mounted circuit breaker in space, it can also answer
For all voltage transformers, greatly improve the integral insulation level of electronic type voltage transformer.
Disclosed above is only embodiment of the present utility model, and still, the utility model is not limited to this, any ability
What the technical staff in domain can think change should all fall into protection domain of the present utility model.
Claims (10)
1. a kind of modified form electronic type voltage transformer, including high-voltage bleeder（1）With the secondary output lead of voltage（11）, it is special
Levy and be, the electronic type voltage transformer also includes electrically insulating silicone rubber shell（2）, insulation tube（3）, metal aluminium lid（4）And height
Press silica gel lead（5）；Integrally wrap up electrically insulating silicone rubber shell in the electronic type voltage transformer outer surface（2）, the SOI
Rubbery outer cover（2）Inwall circumferencial direction sets insulation tube（3）, inwall top sets metal aluminium lid（4）, the metal aluminium lid（4）
With electrically insulating silicone rubber shell（2）The space filling electrically insulating silicone rubber at top；The high pressure silica gel lead（5）Including conductive copper
Wire stylet and the electrically insulating silicone rubber for being wrapped in copper conductor core periphery, from metal aluminium lid（4）Draw and pass through the insulation in upper surface
Silicon rubber casings（2）Outside to electronic type voltage transformer, the electrically insulating silicone rubber shell（2）With high pressure silica gel lead（5）'s
Silicon rubber contact portion vulcanizes into a single integrated structure at high temperature, the metal aluminium lid（4）Respectively with high-voltage bleeder（1）Top and
High pressure silica gel lead（5）It is conductively connected.
2. modified form electronic type voltage transformer as claimed in claim 1, it is characterised in that the metal aluminium lid（4）With height
Press silica gel lead（5）Connected mode is, metal aluminium lid（4）Provided with centre bore, high pressure silica gel lead（5）By the centre bore with
Metal aluminium lid（4）It is connected in the way of bolt connection or welding or crimping.
3. modified form electronic type voltage transformer as claimed in claim 1, it is characterised in that the metal aluminium lid（4）With height
Press divider（1）Top is connected in the way of bolt connection or welding or crimping.
4. modified form electronic type voltage transformer as claimed in claim 1, it is characterised in that the insulation tube（3）For glass
Fibre pipe or epoxy resins insulation pipe.
5. modified form electronic type voltage transformer as claimed in claim 4, it is characterised in that the high-voltage bleeder（1）With
Space fill insulant between fiberglass pipe or epoxy resins insulation pipe.
6. modified form electronic type voltage transformer as claimed in claim 5, it is characterised in that the insulating materials is asphalt mixtures modified by epoxy resin
Fat casting glue or liquid dielectric silicon rubber or hydraulic pressure silica gel.
7. modified form electronic type voltage transformer as claimed in claim 1, it is characterised in that the electrically insulating silicone rubber shell
（2）Bottom is provided with copper mold insert（21）, the electronic type voltage transformer bottom sets mounting bracket（6）, the copper mold insert（21）It is logical
Cross bolt and mounting bracket（6）It is connected, the mounting bracket（6）Side has aperture（61）, the secondary output lead of voltage（11）
Pass through aperture（61）Draw.
8. modified form electronic type voltage transformer as claimed in claim 7, it is characterised in that the electronic type voltage transformer
With mounting bracket（6）Between space fill insulant.
9. modified form electronic type voltage transformer as claimed in claim 8, it is characterised in that the insulating materials is asphalt mixtures modified by epoxy resin
Fat casting glue or liquid dielectric silicon rubber or hydraulic pressure silica gel.
10. modified form electronic type voltage transformer as claimed in claim 1, it is characterised in that the high-voltage bleeder（1）For
Resitstance voltage divider or capacitive divider or RC divider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720134198.1U CN206441604U (en) | 2017-02-15 | 2017-02-15 | A kind of modified form electronic type voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720134198.1U CN206441604U (en) | 2017-02-15 | 2017-02-15 | A kind of modified form electronic type voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206441604U true CN206441604U (en) | 2017-08-25 |
Family
ID=59634401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720134198.1U Expired - Fee Related CN206441604U (en) | 2017-02-15 | 2017-02-15 | A kind of modified form electronic type voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206441604U (en) |
-
2017
- 2017-02-15 CN CN201720134198.1U patent/CN206441604U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20170825 Termination date: 20220215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |