CN204087991U - Dry-type transformer - Google Patents

Dry-type transformer Download PDF

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Publication number
CN204087991U
CN204087991U CN201420508636.2U CN201420508636U CN204087991U CN 204087991 U CN204087991 U CN 204087991U CN 201420508636 U CN201420508636 U CN 201420508636U CN 204087991 U CN204087991 U CN 204087991U
Authority
CN
China
Prior art keywords
low pressure
winding coil
pressure winding
iron core
dry
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
Application number
CN201420508636.2U
Other languages
Chinese (zh)
Inventor
施建敏
邬小强
陈士安
陈高武
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.)
ZHEJIANG JINPAN TRANSFORMER Co Ltd
Original Assignee
ZHEJIANG JINPAN TRANSFORMER 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 ZHEJIANG JINPAN TRANSFORMER Co Ltd filed Critical ZHEJIANG JINPAN TRANSFORMER Co Ltd
Priority to CN201420508636.2U priority Critical patent/CN204087991U/en
Application granted granted Critical
Publication of CN204087991U publication Critical patent/CN204087991U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of dry-type transformer, this transformer is plateau type, double winding dry-type transformer.Its drip irrigation device is a kind of dry-type transformer, comprise folder and base, described each folder is provided with iron core, described iron core is wound with high-low pressure winding coil, described iron core is placed on base, described high-low pressure winding coil is provided with blow structure, blow structure comprises some fans, described high-low pressure winding coil arranged outside has electrothermal layer, fan is respectively arranged with in the both ends of the surface up and down of high-low pressure winding coil, the fan of upper and lower both sides is opened simultaneously and can be formed thermal convection, wet weather can be removed and be distributed in moisture around high-low pressure winding coil gap and iron core, internal structure is kept dry, avoid iron core, high-voltage coil and low-voltage coil makes moist and causes the generation of insulation resistance phenomenon on the low side, be conducive to the safer stable operation of transformer, extend useful life.

Description

Dry-type transformer
Technical field
The utility model relates to a kind of transformer, and more particularly, it relates to a kind of dry-type transformer.
Background technology
Along with the quick growth of economy, various electric equipment is is constantly researched and developed, and is applied in occasion miscellaneous.The utilization of transformer also more comes also extensive.Transformer is a kind of static electrical equipment, utilizes electromagnetic induction principle between two or more coils, a kind of voltage and current of grade is converted to the voltage and current of the another kind of grade of same frequency and electric energy transmitting.Due to the difference of weather in all parts of the country, comparatively moist in many microclimates, different problems will be run into when using transformer, ambient air humidity is larger through moisture, transformer makes moist and easily causes insulation resistance on the low side, and major embodiment is iron core, high-voltage coil and low-voltage coil makes moist causes insulation resistance on the low side.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of dry-type transformer.This transformer can prevent wet weather iron core, high-voltage coil and low-voltage coil makes moist causes the generation of insulation resistance phenomenon on the low side, is conducive to the safer stable operation of transformer, extends transformer useful life.
For achieving the above object, the utility model provides following technical scheme: a kind of dry-type transformer, comprise folder and base, described each folder is provided with iron core, described iron core is wound with high-low pressure winding coil, described iron core is placed on base, described high-low pressure winding coil is provided with blow structure, described high-low pressure winding coil arranged outside has electrothermal layer, described blow structure comprises some fans, described each fan lays respectively at the both ends of the surface up and down of high-low pressure winding coil, and the upper and lower both ends of the surface fan wind of described high-low pressure winding coil is to relatively.
By adopting technique scheme, high-low pressure winding coil is provided with blow structure, electrothermal layer is provided with between high-low pressure winding coil and iron core, when wet weather uses transformer, electrothermal layer can play effective drying functions, strengthen the aridity in transformer high-low-voltage winding coil, internal structure is kept dry, being provided with of blow structure is beneficial to and dries up wet weather further and be distributed in moisture around high-low pressure winding coil gap and iron core, internal structure is enable evenly to remove moisture fully, the local temperature that produces due to electric hot plate can be avoided too high, play effect of a heat radiation, thus avoid iron core, high-voltage coil and low-voltage coil makes moist and causes the generation of insulation resistance phenomenon on the low side, fan is respectively arranged with in the both ends of the surface up and down of high-low pressure winding coil, the fan of upper and lower both sides is opened simultaneously and can be formed thermal convection, change the flow direction of wind, wind is to the gap between coil, the effect of further raising removing humidity, also heat radiation can be strengthened, to reach transformer stable operation, the object of life-saving, be conducive to the safer stable operation of integrated transformers, extend useful life.
The utility model is set to further: described fan comprises installing rack and fan blade, and described installing rack is fixedly connected with high-low pressure winding coil end face, described fan blade connection frame.
By adopting technique scheme, installing rack can effective fan attachment blade, and avoid bringing unnecessary injury due to the rotation of fan, the firmness of enhancing structure and stability, improve the fail safe of use.
The utility model is set to further: described electrothermal layer is made up of some electric hot plates, and described electrothermal layer is round tube shape structure, round tube shape structure and the same center line of high-low pressure winding coil.
By adopting technique scheme, electrothermal plate structure is simple, technology maturation, described electrothermal layer is round tube shape structure, round tube shape structure and high-low pressure winding coil are in the same center line, be conducive to the uniformity improving heating, drying, it also avoid electric hot plate simultaneously and touch winding or iron core, improve safety in utilization.
The utility model is set to further: described electric hot plate is made up of non-metal carbon fiber exothermic material.
By adopting technique scheme, electric hot plate is composited through high temperature high pressure enclosed by non-metal carbon fiber exothermic material and high-strength insulating material, its electric conversion efficiency is high, energy saving heating is fast, homogeneous temperature, play the uniform object of heat radiation, insulating material can avoid the unnecessary injury caused in inside transformer conductivity.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment dry-type transformer;
Fig. 2 is the utility model dry-type transformer iron core winding construction schematic diagram;
Fig. 3 is the utility model dry-type transformer iron core winding end view.
Reference numeral: 1, channel-section steel; 2, base; 3, high-low pressure winding coil; 4, folder; 5, iron core; 6, electrothermal layer; 7, fan; 71, fan blade; 72, installing rack.
Embodiment
Referring to figs. 1 through Fig. 3, the utility model embodiment is described further.
As shown in Figure 1 to Figure 3, a kind of dry-type transformer, comprise folder 4 and base 2, described each folder 4 is provided with iron core 5, described iron core 5 is wound with high-low pressure winding coil 3, described iron core 5 is placed on base 2, and described high-low pressure winding coil 3 is provided with blow structure, is provided with electrothermal layer 6 between described high-low pressure winding coil 3 and iron core 5.
High-low pressure winding coil 3 is provided with blow structure, electrothermal layer 6 is provided with between high-low pressure winding coil 3 and iron core 5, when wet weather uses dry-type transformer, electrothermal layer 6 can play effective drying functions, strengthen the aridity in transformer high-low-voltage winding coil 3, internal structure is kept dry, being provided with of blow structure is beneficial to and dries up wet weather further and be distributed in moisture around high-low pressure winding coil 3 gap and iron core 5, internal structure is enable evenly to remove moisture fully, the local temperature that produces due to electric hot plate can be avoided too high, play effect of a heat radiation, thus avoid iron core 5, high-low pressure winding coil 3 makes moist and causes the generation of insulation resistance phenomenon on the low side, be conducive to the safer stable operation of overall structure, extend useful life.
Described blow structure comprises some fans 7, described each fan 7 lays respectively at the both ends of the surface up and down of high-low pressure winding coil 3, owing to there is gap between high-voltage coil and low-voltage coil winding 3, the fan 7 of upper and lower both sides is opened simultaneously and can be formed comparatively strong thermal convection, the effect of further raising removing humidity, also heat radiation can be strengthened, to reach transformer stable operation, the object of life-saving; Described fan 7 comprises installing rack 72 and fan blade 71, described installing rack 72 is fixedly connected with high-low pressure winding coil 3 end face, described fan blade connection frame, installing rack can effective fan attachment blade, avoid due to the rotation of fan 7 and bring unnecessary injury, strengthen firmness and the stability of structure, improve the fail safe of use.
High-low pressure winding coil 3 upper surface is also provided with some channel-section steel 1 structures, for connecting and each winding coil fastening, described electrothermal layer 6 is made up of some electric hot plates, described electrothermal layer 6 is round tube shape structure, round tube shape structure and the same center line of high-low pressure winding coil 3, innermost layer is iron core 5, after iron core 5, electrothermal layer 6 is set, coil windings outside electrothermal layer 6, electrothermal plate structure is simple, be convenient to install, electric hot plate is composited through high temperature high pressure enclosed by non-metal carbon fiber exothermic material and high-strength insulating material, its electric conversion efficiency is high, energy saving heating is fast, homogeneous temperature, described electrothermal layer 6 is round tube shape structure, round tube shape structure and high-low pressure winding coil 3 are in the same center line, be conducive to the uniformity improving heating, drying, it also avoid electric hot plate simultaneously and touch coil windings or iron core 5, improve safety in utilization.
The above makes preferred implementation of the present utility model, and under not departing from the prerequisite of the utility model principle for the person of ordinary skill of the art, can also make some modification and improvement, these also should be considered as protection range of the present utility model.

Claims (4)

1. a dry-type transformer, comprise folder and base, described each folder is provided with iron core, described iron core is wound with high-low pressure winding coil, and described iron core is placed on base, it is characterized in that, described high-low pressure winding coil is provided with blow structure, and described high-low pressure winding coil arranged outside has electrothermal layer, and described blow structure comprises some fans, described each fan lays respectively at the both ends of the surface up and down of high-low pressure winding coil, and the fan wind of the upper and lower both ends of the surface of described high-low pressure winding coil is to relatively.
2. dry-type transformer according to claim 1, is characterized in that, described fan comprises installing rack and fan blade, and described installing rack is fixedly connected with high-low pressure winding coil end face, described fan blade connection frame.
3. dry-type transformer according to claim 1 and 2, it is characterized in that, described electrothermal layer is made up of some electric hot plates, and described electrothermal layer is hollow cylindrical structure, and hollow cylindrical structure is sheathed on high-low pressure winding coil and coaxially arranges with high-low pressure winding coil.
4. dry-type transformer according to claim 3, is characterized in that, described electric hot plate is by non-metal carbon fiber exothermic material structure.
CN201420508636.2U 2014-09-04 2014-09-04 Dry-type transformer Expired - Fee Related CN204087991U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420508636.2U CN204087991U (en) 2014-09-04 2014-09-04 Dry-type transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420508636.2U CN204087991U (en) 2014-09-04 2014-09-04 Dry-type transformer

Publications (1)

Publication Number Publication Date
CN204087991U true CN204087991U (en) 2015-01-07

Family

ID=52180673

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420508636.2U Expired - Fee Related CN204087991U (en) 2014-09-04 2014-09-04 Dry-type transformer

Country Status (1)

Country Link
CN (1) CN204087991U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105448493A (en) * 2015-12-28 2016-03-30 人民电器集团江苏斯诺成套设备工程有限公司 Moisture-proof mechanism of energy-saving dry type transformer
CN106981348A (en) * 2017-05-30 2017-07-25 朱盖想 A kind of transformer base
CN107492438A (en) * 2016-06-10 2017-12-19 Abb瑞士股份公司 Cooling device
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
WO2019128046A1 (en) * 2017-12-29 2019-07-04 江苏瑞恩电气股份有限公司 Dry-type transformer for heat dissipation and noise reduction

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105448493A (en) * 2015-12-28 2016-03-30 人民电器集团江苏斯诺成套设备工程有限公司 Moisture-proof mechanism of energy-saving dry type transformer
CN107492438A (en) * 2016-06-10 2017-12-19 Abb瑞士股份公司 Cooling device
CN107492438B (en) * 2016-06-10 2021-01-22 Abb电网瑞士股份公司 Cooling device and transformer
CN106981348A (en) * 2017-05-30 2017-07-25 朱盖想 A kind of transformer base
WO2019128046A1 (en) * 2017-12-29 2019-07-04 江苏瑞恩电气股份有限公司 Dry-type transformer for heat dissipation and noise reduction
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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Date Code Title Description
C14 Grant of patent or utility model
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: 20150107

Termination date: 20160904