CN108666095A - A kind of isolating transformer - Google Patents

A kind of isolating transformer Download PDF

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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Withdrawn
Application number
CN201810655171.6A
Other languages
Chinese (zh)
Inventor
刘�英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Hanyu New Energy Electric Engineering Co Ltd
Original Assignee
Nantong Hanyu New Energy Electric Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nantong Hanyu New Energy Electric Engineering Co Ltd filed Critical Nantong Hanyu New Energy Electric Engineering Co Ltd
Priority to CN201810655171.6A priority Critical patent/CN108666095A/en
Publication of CN108666095A publication Critical patent/CN108666095A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/12Oil cooling
    • H01F27/14Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/30Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306Fastening or mounting coils or windings on core, casing or other support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/32Insulating of coils, windings, or parts thereof
    • H01F27/324Insulation between coil and core, between different winding sections, around the coil; Other insulation structures

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

A kind of isolating transformer
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.
CN201810655171.6A 2018-06-23 2018-06-23 A kind of isolating transformer Withdrawn CN108666095A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

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PB01 Publication
SE01 Entry into force of request for substantive examination
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WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20181016