CN112992483A - Dry-type transformer - Google Patents

Dry-type transformer Download PDF

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Publication number
CN112992483A
CN112992483A CN202110403694.3A CN202110403694A CN112992483A CN 112992483 A CN112992483 A CN 112992483A CN 202110403694 A CN202110403694 A CN 202110403694A CN 112992483 A CN112992483 A CN 112992483A
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CN
China
Prior art keywords
air
dry
type transformer
shell
base
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Pending
Application number
CN202110403694.3A
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Chinese (zh)
Inventor
姚强
傅俊
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Anhui Lanxiang Electrical Equipment Co ltd
Original Assignee
Anhui Lanxiang Electrical Equipment 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.)
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Publication date
Application filed by Anhui Lanxiang Electrical Equipment Co ltd filed Critical Anhui Lanxiang Electrical Equipment Co ltd
Priority to CN202110403694.3A priority Critical patent/CN112992483A/en
Publication of CN112992483A publication Critical patent/CN112992483A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformer Cooling (AREA)

Abstract

The invention discloses a dry-type transformer, which comprises a base, a shell and a clamping plate, and is characterized in that: the base bottom be provided with footing, fresh air inlet to be provided with the air-blower in the base, the air-blower on be provided with aspiration channel, defeated tuber pipe, stretch into the fresh air inlet with the aspiration channel in, the shell top be provided with the connecting pipe, be provided with the coil in the shell, splint bottom be connected with the connecting pipe, be provided with connecting terminal, lug on splint, be provided with the connection piece on connecting terminal to be connected the connecting plate through the contact head on connecting wire and the shell. According to the dry type transformer, the filter screen with the transverse structure is arranged in the air inlet hole, the air blower sucks the air flow below the base into the air inlet hole through the air suction pipe, the air flow can be filtered through the filter screen in the air inlet hole, dust in the air flow is prevented from entering the dry type transformer, the dust removal effect of the dry type transformer is improved, and the sensitivity of the dry type transformer in the working process can also be improved.

Description

Dry-type transformer
Technical Field
The invention relates to the technical field of transformer processing, in particular to a dry-type transformer.
Background
The existing dry-type transformer box body mainly relies on a fan to perform forced air cooling, in order to keep air circulation, an air inlet hole needs to be formed in the box body, and external dust easily enters the box body through the air inlet hole to damage electronic elements in the box body. For example, patent No. 201610646921.4 discloses an air-cooled dry-type transformer, which solves the problem that the dry-type transformer cannot be dehumidified and dedusted, but has the problems that the dry-type transformer cannot be denoised, the damping effect of the dry-type transformer is not good, and the heat radiation efficiency is low.
Disclosure of Invention
The invention aims to solve the problems that the existing dry-type transformer cannot reduce noise, has poor damping effect and low heat dissipation efficiency, and provides the dry-type transformer which has reasonable structural design, can reduce noise and has good damping effect and high heat dissipation efficiency.
The technical scheme adopted for solving the technical problem is as follows:
the utility model provides a dry-type transformer, includes base, shell and splint, its characterized in that: the bottom of the base is provided with feet and an air inlet hole, the base is internally provided with an air blower, the air blower is provided with an air suction pipe and an air delivery pipe, the air suction pipe extends into the air inlet hole, the air delivery pipe is provided with a ventilation pipe, the air blower blows air flow into a coil from the air delivery pipe and the ventilation pipe to cool and radiate the coil in the working process, the air flow carries the heat generated by the coil to be discharged into an exhaust groove under the action of the exhaust fan and is discharged from two ends of the exhaust groove, the heat radiation efficiency and the heat radiation effect of the dry type transformer are improved, the service life of the dry type transformer is prolonged, the top of the shell is provided with a connecting pipe, the coil is arranged in the shell, the outer wall of the shell is provided with a contact head, the bottom of the shell is arranged on the base, the bottom of the clamping plate is connected with the, the connecting pieces are arranged on the connecting terminals and are connected with the contact heads on the shell through the connecting lines, the dry-type transformer is convenient to hoist through the lifting lugs, and the moving or mounting efficiency of the dry-type transformer is improved.
Preferably, in the base in the ventilation pipe on the defeated tuber pipe of air-blower vertically penetrated the coil, the air-blower with the air current from defeated tuber pipe, ventilation pipe drum go into the coil in, cool down the heat dissipation to the coil in the course of the work, the air current carries the heat that coil work produced to arrange the air exhaust groove under the effect of exhaust fan in to discharge from the both ends in air exhaust groove, improve dry-type transformer's radiating efficiency and radiating effect, prolong dry-type transformer's life.
Preferably, the air inlet in be provided with the filter screen of horizontal structure, the air-blower passes through the aspiration channel and inhales the air current of base below in the air inlet, can filter the air current through the filter screen in the air inlet, avoid the dust in the air current to enter into dry-type transformer, improve dry-type transformer's dust removal effect, also can improve the sensitivity of dry-type transformer in the course of the work.
Preferably, the contact heads on the two adjacent shells are connected through a connecting rod, and the contact heads on the two adjacent shells are connected through the connecting rod, so that the coils are connected together, and the quality performance of the dry-type transformer is improved.
Preferably, an insulating block is arranged between the coil in the housing and the base, epoxy resin is poured between the interior of the housing and the coil, so that the insulating property of the dry-type transformer is improved, the insulating property between the coil and the base can be improved through the insulating block, and the insulating property of the dry-type transformer is further improved.
Preferably, the footing in be provided with the spliced pole, be provided with the heelpiece bottom the spliced pole to be provided with the spring in the footing between top and the spliced pole, through the position of rotatory spliced pole in the footing, can improve the height between footing and the spliced pole, thereby make dry-type transformer satisfy the installation needs in different places, on the other hand, improved elasticity between spliced pole and the footing through the spring, make the dry-type transformer after the installation have following shock-absorbing capacity, improve dry-type transformer's shock attenuation effect.
Preferably, the splint in seted up the groove of airing exhaust that both ends run through the splint, be provided with the ventilation hole on the splint of groove below airing exhaust to be provided with the exhaust fan in the ventilation hole, the air-blower is blown the air current into the coil from defeated tuber pipe, ventilation pipe in, to the coil in the course of the work cooling heat dissipation, the air current carries the heat that coil work produced and arranges the exhaust inslot under the effect of exhaust fan, and discharge from the both ends of groove of airing exhaust, improve dry-type transformer's radiating efficiency and radiating effect.
Preferably, the top in the exhaust groove is set to be a wave-shaped structure, the sound-absorbing cotton is laid at the top in the exhaust groove, air flow carries heat and blows to the top in the exhaust groove of the curved surface structure under the effect of the exhaust fan, the flowing direction of the air flow is disturbed, the purpose of reducing noise is achieved, the noise reduction effect is improved, noise generated when part of the air flow flows can be absorbed through the sound-absorbing cotton, and the noise reduction effect of the dry type transformer is further improved.
Has the advantages that: according to the invention, air flow is blown into the coil from the air delivery pipe and the ventilation pipe through the air blower, the coil is cooled and radiated in the working process, the air flow carries heat generated by the coil to be discharged into the exhaust groove under the action of the exhaust fan and is discharged from two ends of the exhaust groove, the heat radiation efficiency and the heat radiation effect of the dry-type transformer are improved, and the service life of the dry-type transformer is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a schematic diagram of another embodiment of the present invention.
Fig. 4 is a partial structural schematic view of the present invention, illustrating a coupling structure of a base and a shield.
In the figure: 1. the air conditioner comprises a base, a shell, a clamping plate, a blower, a bottom foot, an air inlet hole, an air suction pipe, a fan cover.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1-2, a dry-type transformer includes a base 1, a housing 2 and a clamping plate 3, and is characterized in that: the dry-type transformer is characterized in that bottom feet 5 and an air inlet hole 6 are arranged at the bottom of the base 1, an air blower 4 is arranged in the base 1, an air suction pipe 7 and an air delivery pipe 8 are arranged on the air blower 4, the air suction pipe 7 extends into the air inlet hole 6, a ventilation pipe 9 is arranged on the air delivery pipe 8, air flow is blown into the coil 15 from the air delivery pipe 8 and the ventilation pipe 9 by the air blower 4 to cool and dissipate heat of the coil 15 in the working process, heat generated by the work of the air flow carrying the coil 15 is discharged into the air discharge groove 20 under the action of the exhaust fan 23 and is discharged from two ends of the air discharge groove 20, the heat dissipation efficiency and the heat dissipation effect of the dry-type transformer are improved, the service life of the dry-type transformer is prolonged, a connecting pipe 14 is arranged at the top of the shell 2, the coil 15 is arranged in the shell 2, a contact head 16 is, the bottom of the clamping plate 3 is connected with the connecting pipe 14, the connecting terminal 18 and the lifting lug 19 are arranged on the clamping plate 3, the connecting piece 22 is arranged on the connecting terminal 18, the connecting board is connected with the contact head 16 on the shell 2 through the connecting wire 25, the dry-type transformer is convenient to hoist through the lifting lug 19, and the moving and transporting or installing efficiency of the dry-type transformer is improved.
Preferably, the ventilation pipe 9 on the air delivery pipe 8 of the blower 4 in the base 1 vertically penetrates into the coil 15, the blower 4 blows air flow into the coil 15 from the air delivery pipe 8 and the ventilation pipe 9, the coil 15 in the working process is cooled and radiated, heat generated by the air flow carrying the coil 15 in the work process is discharged to the exhaust groove 20 under the action of the exhaust fan 23 and is discharged from two ends of the exhaust groove 20, the heat radiation efficiency and the heat radiation effect of the dry-type transformer are improved, and the service life of the dry-type transformer is prolonged.
Preferably, a filter screen 10 with a transverse structure is arranged in the air inlet hole 6, the air blower 4 sucks the air flow below the base 1 into the air inlet hole 6 through the air suction pipe 7, the air flow can be filtered through the filter screen 10 in the air inlet hole 6, dust in the air flow is prevented from entering the dry-type transformer, the dust removal effect of the dry-type transformer is improved, and the sensitivity of the dry-type transformer in the working process can also be improved.
Preferably, the contact heads 16 on two adjacent shells 2 are connected through a connecting rod 26, and the contact heads 16 on two adjacent shells 2 are connected through the connecting rod 26, so that the plurality of coils 15 are connected together, and the quality performance of the dry-type transformer is improved.
Preferably, an insulating block 17 is disposed between the coil 15 and the base 1 in the housing 2, and epoxy resin is poured between the inside of the housing 2 and the coil 15, so that the insulating performance of the dry-type transformer is improved, and the insulating performance between the coil 15 and the base 1 can be improved by the insulating block 17, thereby further improving the insulating performance of the dry-type transformer.
Preferably, footing 5 in be provided with spliced pole 11, be provided with heelpiece 12 in spliced pole 11 bottom to top and spliced pole 11 are provided with spring 13 in footing 5 between, through the position of rotatory spliced pole 11 in footing 5, can improve the height between footing 5 and the spliced pole 11, thereby make dry-type transformer satisfy the installation needs in different places, on the other hand, elasticity between spliced pole 11 and footing 5 has been improved through spring 13, make the dry-type transformer after the installation have following shock-absorbing capacity, improve dry-type transformer's shock attenuation effect.
Preferably, an exhaust groove 20 with two ends penetrating through the clamping plate 3 is formed in the clamping plate 3, an air vent 21 is formed in the clamping plate 3 below the exhaust groove 20, an exhaust fan 23 is arranged in the air vent 21, an air blower 4 blows air into the coil 15 from the air conveying pipe 8 and the air vent pipe 9 to cool and dissipate the coil 15 in the working process, heat generated by the work of the air flow carrying the coil 15 is discharged into the exhaust groove 20 under the action of the exhaust fan 23 and is discharged from two ends of the exhaust groove 20, and therefore the heat dissipation efficiency and the heat dissipation effect of the dry-type transformer are improved.
Preferably, the top in the air exhaust groove 20 is set to be a wave-shaped structure, the sound absorption cotton 24 is laid on the top in the air exhaust groove 20, the airflow carrying heat is blown to the top in the air exhaust groove 20 with a curved surface structure under the action of the exhaust fan 23, the flowing direction of the airflow is disturbed, the purpose of reducing noise is achieved, the noise reduction effect is improved, the noise generated when part of the airflow flows can be absorbed through the sound absorption cotton 24, and the noise reduction effect of the dry-type transformer is further improved.
Example two:
as shown in fig. 3-4, a dry-type transformer includes a base 1, a housing 2 and a clamping plate 3, and is characterized in that: the dry-type transformer is characterized in that bottom feet 5 and an air inlet hole 6 are arranged at the bottom of the base 1, an air blower 4 is arranged in the base 1, an air suction pipe 7 and an air delivery pipe 8 are arranged on the air blower 4, the air suction pipe 7 extends into the air inlet hole 6, a ventilation pipe 9 is arranged on the air delivery pipe 8, air flow is blown into the coil 15 from the air delivery pipe 8 and the ventilation pipe 9 by the air blower 4 to cool and dissipate heat of the coil 15 in the working process, heat generated by the work of the air flow carrying the coil 15 is discharged into the air discharge groove 20 under the action of the exhaust fan 23 and is discharged from two ends of the air discharge groove 20, the heat dissipation efficiency and the heat dissipation effect of the dry-type transformer are improved, the service life of the dry-type transformer is prolonged, a connecting pipe 14 is arranged at the top of the shell 2, the coil 15 is arranged in the shell 2, a contact head 16 is, the bottom of the clamping plate 3 is connected with the connecting pipe 14, the connecting terminal 18 and the lifting lug 19 are arranged on the clamping plate 3, the connecting piece 22 is arranged on the connecting terminal 18, the connecting board is connected with the contact head 16 on the shell 2 through the connecting wire 25, the dry-type transformer is convenient to hoist through the lifting lug 19, and the moving and transporting or installing efficiency of the dry-type transformer is improved.
Preferably, the ventilation pipe 9 on the air delivery pipe 8 of the blower 4 in the base 1 vertically penetrates into the coil 15, the blower 4 blows air flow into the coil 15 from the air delivery pipe 8 and the ventilation pipe 9, the coil 15 in the working process is cooled and radiated, heat generated by the air flow carrying the coil 15 in the work process is discharged to the exhaust groove 20 under the action of the exhaust fan 23 and is discharged from two ends of the exhaust groove 20, the heat radiation efficiency and the heat radiation effect of the dry-type transformer are improved, and the service life of the dry-type transformer is prolonged.
Preferably, a filter screen 10 with a transverse structure is arranged in the air inlet hole 6, the air blower 4 sucks the air flow below the base 1 into the air inlet hole 6 through the air suction pipe 7, the air flow can be filtered through the filter screen 10 in the air inlet hole 6, dust in the air flow is prevented from entering the dry-type transformer, the dust removal effect of the dry-type transformer is improved, and the sensitivity of the dry-type transformer in the working process can also be improved.
Preferably, the contact heads 16 on two adjacent shells 2 are connected through a connecting rod 26, and the contact heads 16 on two adjacent shells 2 are connected through the connecting rod 26, so that the plurality of coils 15 are connected together, and the quality performance of the dry-type transformer is improved.
Preferably, an insulating block 17 is disposed between the coil 15 and the base 1 in the housing 2, and epoxy resin is poured between the inside of the housing 2 and the coil 15, so that the insulating performance of the dry-type transformer is improved, and the insulating performance between the coil 15 and the base 1 can be improved by the insulating block 17, thereby further improving the insulating performance of the dry-type transformer.
Preferably, footing 5 in be provided with spliced pole 11, be provided with heelpiece 12 in spliced pole 11 bottom to top and spliced pole 11 are provided with spring 13 in footing 5 between, through the position of rotatory spliced pole 11 in footing 5, can improve the height between footing 5 and the spliced pole 11, thereby make dry-type transformer satisfy the installation needs in different places, on the other hand, elasticity between spliced pole 11 and footing 5 has been improved through spring 13, make the dry-type transformer after the installation have following shock-absorbing capacity, improve dry-type transformer's shock attenuation effect.
Preferably, an exhaust groove 20 with two ends penetrating through the clamping plate 3 is formed in the clamping plate 3, an air vent 21 is formed in the clamping plate 3 below the exhaust groove 20, an exhaust fan 23 is arranged in the air vent 21, an air blower 4 blows air into the coil 15 from the air conveying pipe 8 and the air vent pipe 9 to cool and dissipate the coil 15 in the working process, heat generated by the work of the air flow carrying the coil 15 is discharged into the exhaust groove 20 under the action of the exhaust fan 23 and is discharged from two ends of the exhaust groove 20, and therefore the heat dissipation efficiency and the heat dissipation effect of the dry-type transformer are improved.
Preferably, the top in the air exhaust groove 20 is set to be a wave-shaped structure, the sound absorption cotton 24 is laid on the top in the air exhaust groove 20, the airflow carrying heat is blown to the top in the air exhaust groove 20 with a curved surface structure under the action of the exhaust fan 23, the flowing direction of the airflow is disturbed, the purpose of reducing noise is achieved, the noise reduction effect is improved, the noise generated when part of the airflow flows can be absorbed through the sound absorption cotton 24, and the noise reduction effect of the dry-type transformer is further improved.
Preferably, the air delivery pipe 8 on be provided with out tuber pipe 27, wear out the tuber pipe 27 from base 1 between shell 2 and shell 2, be provided with stand 28 on base 1 between shell 2 and shell 2, be provided with on stand 28 and keep off cover 29, and will keep off cover 29 and cover out tuber pipe 27 top, air-blower 4 is with the air current from air delivery pipe 8, play tuber pipe 27 discharges, the carminative play of play tuber pipe 27 can accelerate the air current between shell 2 and flow, avoid the heat to gather between shell 2 and shell 2, improve dry-type transformer's radiating efficiency and radiating effect, not only can change the flow direction of play tuber pipe 27 exhaust air current through keeping off cover 29, also can avoid rainwater, dust from going into in the base 1 from play tuber pipe 27, improve dry-type transformer's security.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The parts not involved in the present invention are the same as or can be implemented using the prior art.

Claims (8)

1. The utility model provides a dry-type transformer, includes base, shell and splint, its characterized in that: the base bottom be provided with footing, fresh air inlet to be provided with the air-blower in the base, the air-blower on be provided with aspiration channel, defeated tuber pipe, stretch into the aspiration channel in the fresh air inlet to be provided with the ventilation pipe on defeated tuber pipe, the shell top be provided with the connecting pipe, be provided with the coil in the shell, be provided with the contact on the shell outer wall, and install the shell bottom on the base, splint bottom be connected with the connecting pipe, be provided with connecting terminal, lug on splint, be provided with the connection piece on connecting terminal to be connected the contact on connecting plate through connecting wire and shell.
2. A dry transformer as claimed in claim 1, wherein: and a ventilation pipe on a wind conveying pipe of the blower in the base vertically penetrates into the coil.
3. A dry transformer as claimed in claim 1, wherein: and a filter screen with a transverse structure is arranged in the air inlet hole.
4. A dry transformer as claimed in claim 1, wherein: the contact heads on the shell are connected through a connecting rod.
5. A dry transformer as claimed in claim 1, wherein: an insulating block is arranged between the coil in the shell and the base.
6. A dry transformer as claimed in claim 1, wherein: the bottom foot is internally provided with a connecting column, the bottom of the connecting column is provided with a bottom pad, and a spring is arranged between the top in the bottom foot and the connecting column.
7. A dry transformer as claimed in claim 1, wherein: the clamp plate is internally provided with an air exhaust groove with two ends penetrating through the clamp plate, the clamp plate below the air exhaust groove is provided with an air vent, and an exhaust fan is arranged in the air vent.
8. Dry transformer according to claim 7, whereas: the top in the air exhaust groove is of a wave-shaped structure, and sound-absorbing cotton is laid on the top in the air exhaust groove.
CN202110403694.3A 2021-04-15 2021-04-15 Dry-type transformer Pending CN112992483A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110403694.3A CN112992483A (en) 2021-04-15 2021-04-15 Dry-type transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110403694.3A CN112992483A (en) 2021-04-15 2021-04-15 Dry-type transformer

Publications (1)

Publication Number Publication Date
CN112992483A true CN112992483A (en) 2021-06-18

Family

ID=76339877

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110403694.3A Pending CN112992483A (en) 2021-04-15 2021-04-15 Dry-type transformer

Country Status (1)

Country Link
CN (1) CN112992483A (en)

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