CN205621560U - Dry transformer - Google Patents

Dry transformer Download PDF

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Publication number
CN205621560U
CN205621560U CN201620309719.8U CN201620309719U CN205621560U CN 205621560 U CN205621560 U CN 205621560U CN 201620309719 U CN201620309719 U CN 201620309719U CN 205621560 U CN205621560 U CN 205621560U
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CN
China
Prior art keywords
winding
air flue
ventilation air
temperature sensor
longitudinal ventilation
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.)
Active
Application number
CN201620309719.8U
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Chinese (zh)
Inventor
琚向前
琚宏文
李小莉
房好建
吴江
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.)
Henan Baoquan Power Equipment Manufacturing Co Ltd
Original Assignee
Henan Baoquan Power Equipment Manufacturing 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 Henan Baoquan Power Equipment Manufacturing Co Ltd filed Critical Henan Baoquan Power Equipment Manufacturing Co Ltd
Priority to CN201620309719.8U priority Critical patent/CN205621560U/en
Application granted granted Critical
Publication of CN205621560U publication Critical patent/CN205621560U/en
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Abstract

The utility model discloses a dry transformer, including the lower base of folder of installation, a set of winding of installation on the lower folder, be equipped with the longitudinal ventilation air flue between the iron core of winding and coil, at the netted electric heat of the intermediate junction of longitudinal ventilation air flue ring, be equipped with a temperature sensor and a humidity transducer, upside are equipped with the 2nd temperature sensor and the 2nd humidity transducer in the longitudinal ventilation air flue of netted electric heat ring downside, downside at every winding all is equipped with the fan through air -out union coupling longitudinal ventilation air flue, installs the controller on the base, a corresponding temperature sensor, the 2nd temperature sensor, a humidity transducer, the 2nd humidity transducer, the netted electric heat ring sum fan of controller control connection. The utility model discloses an advantage: according to the temperature and humidity in the winding, the fan leads to cold wind and hot -blast for insulating material can avoid at the inside electrical conduction of transformer and the unneccessary injury that arouses improves bearing force, has prolonged the transformer life -span.

Description

Dry-type transformer
Technical field
This utility model relates to transformer technology field, particularly relates to dry-type transformer.
Background technology
The progress with transformer technology is improved constantly along with urban distribution network power reguirements, the utilization of transformator the most more comes the most extensive, transformator is a kind of static electrical equipment, utilize electromagnetic induction principle between two or more coils, the voltage and current of a kind of grade is converted into the voltage and current of the another kind of grade of same frequency and transmits electric energy.Transformator can be divided into oil-filled transformer, full-sealed transformer, combined transformer and dry-type transformer etc..Dry-type transformer, is dependent on cross-ventilation and cools down, and iron core and winding are not immersed in insulating oil.The safe operation of dry-type transformer and service life, it is heavily dependent on the safe and reliable of Transformer Winding insulation, difference due to weather in all parts of the country, the moistest in many microclimates, different problems will be run into when using transformator, ambient air humidity is relatively big through moisture, and transformator makes moist, and to be easily caused insulation resistance on the low side, is mainly reflected in that iron core, high-voltage coil and low-voltage coil make moist and causes insulation resistance on the low side.
Utility model content
The purpose of this utility model is to solve shortcoming present in prior art, and the dry-type transformer proposed.
To achieve these goals, this utility model adopts the technical scheme that
Dry-type transformer, including base, base is installed lower clamping piece, lower clamping piece is installed one group of winding, it is characterized in that: winding is made up of the coil of middle iron core and outside, it is provided with longitudinal ventilation air flue between iron core and corresponding coil, netted electrothermal ring is connected in the middle of longitudinal ventilation air flue, it is provided with the first temperature sensor and the first humidity sensor in longitudinal ventilation air flue on the downside of netted electrothermal ring, in the longitudinal ventilation air flue on the upside of netted electrothermal ring, is provided with the second temperature sensor and the second humidity sensor;
Being equipped with blower fan in the downside of each winding, blower fan is fixedly connected on lower clamping piece, and the air outlet of blower fan connects longitudinal ventilation air flue by discharge pipe;
Connecting support in the side of base, install controller on support, controller controls to connect corresponding first temperature sensor, the second temperature sensor, the first humidity sensor, the second humidity sensor, netted electrothermal ring and blower fan.
Preferably, waterproof layer is all wrapped up in the outside of each winding.
Preferably, each discharge pipe is all connected with drying baker.
Preferably, the air inlet at each blower fan is equipped with heating wire, and heating wire is controlled heating by controller.
The utility model has the advantage of: dry-type transformer provided by the utility model, the temperature and humidity in winding is sensed by temperature inductor and humidity sensor, when temperature is higher, heating wire and netted electrothermal ring do not work, blower fan logical cold wind in longitudinal ventilation air flue cools down, when humidity is higher, heating wire and netted electrothermal ring all work, the logical hot blast being dried in longitudinal ventilation air flue, it is dried process, make insulant it can be avoided that the unnecessary injury that causes in inside transformer conductivity, improve load capacity, extend transformer life.
Accompanying drawing explanation
Fig. 1 is the theory structure schematic diagram of dry-type transformer provided by the utility model;
Fig. 2 is the partial sectional view of winding.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
As depicted in figs. 1 and 2, the dry-type transformer that this utility model provides, including base 1, base 1 is installed lower clamping piece 2, lower clamping piece 2 is installed one group of winding 3, all wraps up waterproof layer 10 in the outside of each winding 3.
Winding 3 is made up of the coil 8 of middle iron core 7 and outside, it is provided with longitudinal ventilation air flue 9 between iron core 7 and corresponding coil 8, netted electrothermal ring 13 is connected in the middle of longitudinal ventilation air flue 9, the first temperature sensor 11.1 and the first humidity sensor 12.1 it is provided with in longitudinal ventilation air flue 9 on the downside of netted electrothermal ring 13, first temperature sensor 11.1 is arranged on the downside of the first humidity sensor 12.1, the second temperature sensor 11.2 and the second humidity sensor 12.2 it is provided with in longitudinal ventilation air flue 9 on the upside of netted electrothermal ring 13, second humidity sensor 12.2 is arranged on the upside of the second temperature sensor 11.2.
It is equipped with blower fan 4 in the downside of each winding 3, blower fan 4 is fixedly connected on lower clamping piece 2, the air outlet of blower fan 4 connects longitudinal ventilation air flue 9 by discharge pipe 15, air inlet at each blower fan 4 is equipped with heating wire 14, each discharge pipe 15 is also connected with drying baker 16, in drying baker 16 desiccant-filled so that the wind being passed through longitudinal ventilation air flue 9 is dry.
Support 5 is connected in the side of base 1, installing controller 6 on support 5, controller 6 controls to connect corresponding first temperature sensor the 11.1, second temperature sensor the 11.2, first humidity sensor the 12.1, second humidity sensor 12.2, netted electrothermal ring 13 and blower fan 4 and heating wire 14.

Claims (4)

1. dry-type transformer, including base (1), base (1) is installed lower clamping piece (2), lower clamping piece (2) one group of winding (3) of upper installation, it is characterized in that: winding (3) is made up of the coil (8) of middle iron core (7) and outside, longitudinal ventilation air flue (9) it is provided with between iron core (7) and corresponding coil (8), netted electrothermal ring (13) is connected in the middle of longitudinal ventilation air flue (9), it is provided with the first temperature sensor (11.1) and the first humidity sensor (12.1) in the longitudinal ventilation air flue (9) of netted electrothermal ring (13) downside, it is provided with the second temperature sensor (11.2) and the second humidity sensor (12.2) in the longitudinal ventilation air flue (9) of netted electrothermal ring (13) upside;
It is equipped with blower fan (4) in the downside of each winding (3), blower fan (4) is fixedly connected on lower clamping piece (2), and the air outlet of blower fan (4) connects longitudinal ventilation air flue (9) by discharge pipe (15);
Support (5) is connected in the side of base (1), installing controller (6) on support (5), controller (6) controls to connect corresponding first temperature sensor (11.1), the second temperature sensor (11.2), the first humidity sensor (12.1), the second humidity sensor (12.2), netted electrothermal ring (13) and blower fan (4).
Dry-type transformer the most according to claim 1, it is characterised in that: all wrap up waterproof layer (10) in the outside of each winding (3).
Dry-type transformer the most according to claim 1, it is characterised in that: on each discharge pipe (15), it is all connected with drying baker (16).
Dry-type transformer the most according to claim 1, it is characterised in that: the air inlet at each blower fan (4) is equipped with heating wire (14), and heating wire (14) is controlled heating by controller (6).
CN201620309719.8U 2016-04-14 2016-04-14 Dry transformer Active CN205621560U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620309719.8U CN205621560U (en) 2016-04-14 2016-04-14 Dry transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620309719.8U CN205621560U (en) 2016-04-14 2016-04-14 Dry transformer

Publications (1)

Publication Number Publication Date
CN205621560U true CN205621560U (en) 2016-10-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620309719.8U Active CN205621560U (en) 2016-04-14 2016-04-14 Dry transformer

Country Status (1)

Country Link
CN (1) CN205621560U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106816284A (en) * 2017-03-29 2017-06-09 东莞市凯祥电器有限公司 Transformer coil used for large power LED lamp
CN109285677A (en) * 2018-11-20 2019-01-29 江苏光辉电力器材有限公司 A kind of Combined power transformer iron core group

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106816284A (en) * 2017-03-29 2017-06-09 东莞市凯祥电器有限公司 Transformer coil used for large power LED lamp
CN109285677A (en) * 2018-11-20 2019-01-29 江苏光辉电力器材有限公司 A kind of Combined power transformer iron core group

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