CN108666095A - A kind of isolating transformer - Google Patents
A kind of isolating transformer Download PDFInfo
- Publication number
- CN108666095A CN108666095A CN201810655171.6A CN201810655171A CN108666095A CN 108666095 A CN108666095 A CN 108666095A CN 201810655171 A CN201810655171 A CN 201810655171A CN 108666095 A CN108666095 A CN 108666095A
- Authority
- CN
- China
- Prior art keywords
- silicone rubber
- rubber sleeve
- fuel tank
- connect
- device body
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Regulation Of General Use Transformers (AREA)
Abstract
The present invention relates to transformer technology fields, specifically disclose a kind of isolating transformer, including expander, oil conservater, silicone rubber sleeve, fuel tank and device body, the bottom of expander and the top of oil conservater connect, the bottom of oil conservater and the top of silicone rubber sleeve connect, the bottom of silicone rubber sleeve is connect with fuel tank, device body is arranged in silicone rubber sleeve and fuel tank, device body includes capacitance plate casing, high-tension coil, bucking electrode and insulating paper, capacitance plate casing is connect with bucking electrode, high-tension coil is arranged in bucking electrode, insulating paper is coated on the outside of capacitance plate casing and bucking electrode.Isolation transformer voltage tolerance of the present invention is high, electric fields uniform, it is strong to shield interference signal ability, arrangement mode using high-tension coil in interior low-voltage coil outside, so that this transformer overall volume is small, perfect heat-dissipating, in order to facilitate the transport of transformer, the iron core in fuel tank can be used horizontal type structure and be installed.
Description
Technical field
The present invention relates to transformer technology fields, and in particular to a kind of isolating transformer.
Background technology
Isolating transformer refer to input winding with export winding strap electrical isolation transformer, isolating transformer with to avoid
Electrical body is accidentally touched simultaneously, and the isolation of transformer is the respective electric current of the former secondary side coiling of isolation.
The main function of isolating transformer is：Make the electrical completely insulated of primary side and secondary side, is also isolated the circuit.
In addition, using the big feature of the high-frequency loss of its iron core, to inhibit high frequency spurs to be passed to control loop.Made with isolating transformer
It is secondary to suspend over the ground, it can be used only in the occasion that supply district is smaller, circuit is shorter.It is obtained at this point, the capacitive earth current of system is small
It is not enough to damage the person.It is exactly to protect personal safety there are one critically important effect, dangerous voltage is isolated.Existing
In technology, most of isolating transformer volume is larger, and isolating transformer of the present invention makes transformation while reducing overall volume
The compression resistance higher of device more can effectively inhibit various interference.
Invention content
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of isolating transformer, in height
Bucking electrode is set between crimping circle and low-voltage coil, plays the role of uniform electric field, shields interference signal.
In order to solve the above technical problems, the present invention provides a kind of isolating transformer, including expander, oil conservater, silicon rubber
Gum cover pipe, fuel tank and device body, the bottom of the expander are connect with the top of the oil conservater, the bottom of the oil conservater and institute
The top connection of silicone rubber sleeve is stated, the bottom of the silicone rubber sleeve is connect with the fuel tank, and the device body is arranged in silicon rubber
In gum cover pipe and fuel tank, iron core is equipped in the fuel tank, the device body is arranged in iron core, and the device body includes capacitance plate set
Pipe, high-tension coil, bucking electrode and insulating paper, the capacitance plate casing are connect with the bucking electrode, and the high-tension coil is set
It sets in the bucking electrode, the insulating paper is coated on the outside of the capacitance plate casing and bucking electrode.
Further, the wrapped on cores has low-voltage coil, the low-voltage coil to be arranged in the outside of the insulating paper.
Further, the insulating paper includes the semiconductive crimped paper, enhanced cable paper, electricity coated successively from inside to outside
Cable crimped paper and aluminium cable paper.
Specifically, the oil conservater is equipped with primary connection terminal, and the high-tension coil connects with the primary connection terminal
It connects.
Further, the silicone rubber sleeve is composite insulator.
Further, the iron core can be set as vertical structure or horizontal type structure.
The beneficial effects of the invention are as follows：Isolating transformer of the present invention is made after being improved by using the structure of current transformer
At so that this isolation transformer voltage tolerance height, electric fields uniform, shielding interference signal ability is strong, including high-tension coil
The arrangement mode of low-voltage coil outside so that this transformer overall volume is small, perfect heat-dissipating, in order to facilitate the fortune of this transformer
Defeated, the iron core in fuel tank can be used horizontal type structure and be installed.
Description of the drawings
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical scheme of the present invention
The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
Fig. 1 is the structural schematic diagram of isolating transformer of the present invention.
In figure：1- expanders, 2- oil conservaters, 3- silicone rubber sleeves, 4- fuel tanks, 5- device bodies, 51- capacitance plate casings, 52- high
Crimping circle, 53- bucking electrodes, 54- insulating papers, 6- iron cores, 61- low-voltage coils, 7- primary connection terminals.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained under the premise of not making creative work belongs to what the present invention protected
Range.
In a specific embodiment of the present invention, as shown in Figure 1, the invention particularly discloses a kind of isolating transformers, including
Expander 1, oil conservater 2, silicone rubber sleeve 3, fuel tank 4 and device body 5,
The bottom of the expander 1 is connect with the top of the oil conservater 2, the bottom of the oil conservater 2 and the silicon rubber
The top of gum cover pipe 3 connects, and the bottom of the silicone rubber sleeve 3 is connect with the fuel tank 4, and the device body 5 is arranged in silicon rubber
In casing 3 and fuel tank 4, iron core 6 is equipped in the fuel tank 4, the device body 5 is arranged in iron core 6,
The device body 5 includes capacitance plate casing 51, high-tension coil 52, bucking electrode 53 and insulating paper 54, the capacitance plate
Casing 51 is connect with the bucking electrode 53, and the high-tension coil 52 is arranged in the bucking electrode 53, the insulating paper 54
It is coated on the outside of the capacitance plate casing 51 and bucking electrode 53；The insulating paper 54 is fixed by adhesive tape, the insulating paper
54 include semiconductive crimped paper, enhanced cable paper, cable crimped paper and the aluminium cable paper coated successively from inside to outside.
It is wound with low-voltage coil 61 on the iron core 6, the low-voltage coil 61 is arranged in the outside of the insulating paper 54, with
Outlet box connects, for measuring；
Specifically, the oil conservater 2 is equipped with primary connection terminal 7, the high-tension coil 52 and the primary connection end
Son 7 connects.
In ground of the invention preferred embodiment, the silicone rubber sleeve 3 is composite insulator, and composite insulator is small, just
In maintenance；It is light-weight, it is easily installed；High mechanical strength, it is non-breakable；Anti-seismic performance is excellent, and anti-pollution characteristic is good；Production cycle
Soon, quality stability is high.
The iron core 6 can be set as vertical structure or horizontal type structure, reduce the overall volume of transformer, and heat dissipation performance
More preferably, when being set as horizontal type structure, the transport for isolating transformer of being more convenient for.
The beneficial effects of the invention are as follows：Isolating transformer of the present invention is made after being improved by using the structure of current transformer
At so that this isolation transformer voltage tolerance height, electric fields uniform, shielding interference signal ability is strong, including high-tension coil
The arrangement mode of low-voltage coil outside so that this transformer overall volume is small, perfect heat-dissipating, in order to facilitate the fortune of this transformer
Defeated, the iron core in fuel tank can be used horizontal type structure and be installed.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (6)
1. a kind of isolating transformer, which is characterized in that including expander (1), oil conservater (2), silicone rubber sleeve (3), fuel tank (4)
Connect with the top of the oil conservater (2) with the bottom of device body (5), the expander (1), the bottom of the oil conservater (2) with
The top of the silicone rubber sleeve (3) connects, and the bottom of the silicone rubber sleeve (3) is connect with the fuel tank (4), the device body
(5) setting is equipped with iron core (6) in silicone rubber sleeve (3) and fuel tank (4) in the fuel tank (4), and device body (5) setting exists
In iron core (6), the device body (5) includes capacitance plate casing (51), high-tension coil (52), bucking electrode (53) and insulating paper
(54), the capacitance plate casing (51) connect with the bucking electrode (53), and the high-tension coil (52) is arranged in the shielding
In electrode (53), the insulating paper (54) is coated on the outside of the capacitance plate casing (51) and bucking electrode (53).
2. a kind of isolating transformer according to claim 1, which is characterized in that be wound with low-voltage line on the iron core (6)
It encloses (61), outside of low-voltage coil (61) setting in the insulating paper (54).
3. a kind of isolating transformer according to claim 2, which is characterized in that the insulating paper (54) includes from inside to outside
Semiconductive crimped paper, enhanced cable paper, cable crimped paper and the aluminium cable paper coated successively.
4. a kind of isolating transformer according to claim 1, which is characterized in that the oil conservater (2) is equipped with and once connects
Line terminals (7), the high-tension coil (52) connect with the primary connection terminal (7).
5. a kind of isolating transformer according to claim 1, which is characterized in that the silicone rubber sleeve (3) is compound exhausted
Edge.
6. a kind of isolating transformer according to claim 1, which is characterized in that the iron core (6) can be set as vertical structure
Or horizontal type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655171.6A CN108666095A (en) | 2018-06-23 | 2018-06-23 | A kind of isolating transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655171.6A CN108666095A (en) | 2018-06-23 | 2018-06-23 | A kind of isolating transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108666095A true CN108666095A (en) | 2018-10-16 |
Family
ID=63773015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810655171.6A Withdrawn CN108666095A (en) | 2018-06-23 | 2018-06-23 | A kind of isolating transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108666095A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021077430A1 (en) * | 2019-10-26 | 2021-04-29 | 江苏思源赫兹互感器有限公司 | 118 kv power supply transformer |
-
2018
- 2018-06-23 CN CN201810655171.6A patent/CN108666095A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021077430A1 (en) * | 2019-10-26 | 2021-04-29 | 江苏思源赫兹互感器有限公司 | 118 kv power supply transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207558550U (en) | A kind of isolating transformer | |
| CN208045294U (en) | A kind of isolating transformer | |
| CN108666095A (en) | A kind of isolating transformer | |
| CN208093344U (en) | A kind of dc circuit breaker energy supply transformer | |
| CN202796409U (en) | Dry type voltage transformer for switchgears | |
| CN107545998A (en) | A kind of isolating transformer | |
| CN107545997A (en) | A kind of isolating transformer device body | |
| CN208256440U (en) | A kind of dry type high frequency transformer | |
| CN201689776U (en) | Shield isolation voltage transformer below 10 kV | |
| CN207558577U (en) | A kind of isolating transformer device body | |
| CN210325463U (en) | Transformer for station | |
| CN205264483U (en) | External current transformer | |
| CN108666113A (en) | A kind of isolating transformer device body | |
| CN208834849U (en) | A kind of step-up transformer | |
| CN210927089U (en) | Lightning protection device combining isolation and filtering of high-voltage transformer | |
| CN203799852U (en) | Indoor voltage transformer | |
| CN202513025U (en) | Extra-high-voltage current transformer with annular shielding box | |
| CN109346271A (en) | A kind of step-up transformer | |
| CN106099897B (en) | Arc-extinguishing resonance-extinguishing device | |
| CN206789408U (en) | A kind of gas-insulated transformer sleeve pipe | |
| CN201590322U (en) | Anti-foul voltage transformer with small partial discharge | |
| CN108831728A (en) | A kind of manufacturing process of isolating transformer | |
| CN202855527U (en) | Double-shielded dry type mutual inductor with overvoltage protector | |
| CN103578725B (en) | Dry type voltage transformer for switchgear | |
| CN207993647U (en) | A kind of function isolating transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181016 |