CN213752326U

CN213752326U - Dehumidification mechanism of oil-immersed power transformer

Info

Publication number: CN213752326U
Application number: CN202023032658.0U
Authority: CN
Inventors: 韩亮; 吴兆彬; 宋红为; 尚彦赟; 刘栋梁; 雷乘龙; 王佩霞; 王江宁; 魏丹; 何岩; 张立; 高辉; 刘海峰; 赵国振; 赵志海; 马建文; 霍光; 李晖; 张宏滕; 裴艳萍
Original assignee: Tianshui Power Supply Co Of State Grid Gansu Electric Power Co
Current assignee: Tianshui Power Supply Co Of State Grid Gansu Electric Power Co
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-07-20
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses an oil-immersed power transformer dehumidification mechanism, the power distribution transformer comprises a transformer, the left side intercommunication at transformer top has the connecting pipe, the top fixedly connected with humidity transducer of transformer is run through to the bottom of connecting pipe, the top intercommunication of connecting pipe has a processing section of thick bamboo, handle the left top fixedly connected with circuit box of a section of thick bamboo, the horizontal fixedly connected with filter equipment of center department of processing section of thick bamboo inner chamber. The utility model discloses a transformer normally works, and the transformer is because load or ambient temperature's change, and the internal insulation liquid volume of electrical equipment such as transformer takes place the breathing, and when humidity transducer experienced the signal and inhaled the air, the air passed through the inside that the connecting pipe got into a processing section of thick bamboo. The utility model provides a current oil-immersed transformer do not have the problem of dehumidification, reduced the cost of maintaining oil-immersed transformer, avoided insulating oil and insulating paper ageing speed.

Description

Dehumidification mechanism of oil-immersed power transformer

Technical Field

The utility model relates to an oil-immersed transformer technical field specifically is an oil-immersed power transformer dehumidification mechanism.

Background

The transformer is one of the most important devices in the power system as a power device for converting, transmitting and distributing electric energy in the power system, and is the most expensive device in the power grid, which is important for the safe operation of the power system, and the transformer can be divided into three types according to the difference of insulating media: oil-immersed transformers, gas-insulated transformers and dry-type transformers. The oil-immersed transformer is needed to be used in power construction, but the existing oil-immersed transformer does not have a dehumidification function, so that the cost of maintaining the oil-immersed transformer is increased, the aging speed of insulating oil and insulating paper is influenced, and the practicability of the oil-immersed transformer is also reduced.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides in the above-mentioned background art, the utility model aims to provide an oil-immersed power transformer dehumidification mechanism possesses the effectual advantage of dehumidification, has solved current oil-immersed transformer and has not had the problem of dehumidification.

The utility model provides a following technical scheme: the utility model provides an oil-immersed power transformer dehumidification mechanism, includes the transformer, the left side intercommunication at transformer top has the connecting pipe, the top fixedly connected with humidity transducer that the transformer was run through to the bottom of connecting pipe, the top intercommunication of connecting pipe has a processing section of thick bamboo, the left top fixedly connected with circuit box of a processing section of thick bamboo, the horizontal fixedly connected with filter equipment of center department of processing section of thick bamboo inner chamber.

The filter mechanism comprises a partition board, a filter screen is arranged at the bottom of the inner cavity of the treatment barrel, and heating wires are arranged around the top of the inner wall of the treatment barrel.

The left side and the right side of the inner cavity of the isolation plate are both provided with a plurality of through holes which are uniformly distributed, and the through holes are matched with the isolation plate.

The top and the bottom of the treatment cylinder are both provided with openings, the width of each opening and the distance between the connecting pipes are smaller than two millimeters, and the openings are matched with the connecting pipes.

The surface of the connecting pipe and the inner part of the transformer are provided with sealing rings, the diameter of each sealing ring is larger than that of the connecting pipe, and the sealing rings are matched with the transformer.

The front end of the transformer is provided with an air inlet grille, the cross section area of the air inlet grille is smaller than that of the transformer, and the air inlet grille is matched with the transformer.

The utility model has the advantages as follows:

1. the utility model discloses the transformer is because load or ambient temperature's change, the internal insulation liquid volume of electrical equipment such as transformer takes place the breathing, when humidity transducer experiences the signal and inhales the air, the air passes through the inside of connecting pipe entering processing section of thick bamboo, then the air filters through the dust of filter screen in to the air, then the air current flows through the division board and enters the inside stoving processing that carries out of heater strip, the purpose that reaches dry air, the problem that current oil-immersed transformer does not have the dehumidification has been solved, the cost of maintaining oil-immersed transformer has been reduced, insulating oil and the ageing speed of insulating paper have been avoided.

2. The utility model discloses a setting of through hole can make the air pass through the division board and rise to the inner space of heater strip, plays the effect of mediation simultaneously, has avoided the air to pass through efficiency and has influenced drying speed slowly and make the processing time lengthen.

3. The utility model discloses an open-ended setting can make the connecting pipe complete dock through the opening, has avoided the phenomenon that the inside that the too big gap between opening and the connecting pipe leads to the outside air to get into the transformer causes the pollution.

4. The utility model discloses a setting of sealing ring can assist the connecting pipe to carry out work, plays sealed effect simultaneously, has avoided the connecting pipe to leave the gap in the inside of transformer and has leaded to the phenomenon that the air appears leaking.

5. The utility model discloses a setting of air inlet grille can assist the transformer to carry out work, plays radiating effect simultaneously, has avoided the inside high temperature that produces of transformer to appear safe accident, also makes things convenient for external natural wind to dispel the heat to transformer housing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the treatment canister of FIG. 1 according to the present invention;

FIG. 3 is a front view of a partial structure of the connecting pipe in FIG. 1 according to the present invention

Fig. 4 is a perspective view of the sealing ring structure shown in fig. 3 according to the present invention.

In the figure: 1. a transformer; 2. a connecting pipe; 3. a humidity sensor; 4. a treatment cylinder; 5. a circuit box; 6. a filtering mechanism; 61. a separator plate; 62. a filter screen; 63. heating wires; 7. a through hole; 8. an opening; 9. a seal ring; 10. an air intake grille.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention.

As shown in fig. 1 to 4, the utility model discloses a transformer 1, the left side intercommunication at transformer 1 top has connecting pipe 2, and the top fixedly connected with humidity transducer 3 that transformer 1 was run through to the bottom of connecting pipe 2, and the top intercommunication of connecting pipe 2 has a processing section of thick bamboo 4, and the left top fixedly connected with circuit box 5 of a processing section of thick bamboo 4, the horizontal fixedly connected with filter mechanism 6 of center department of a processing section of thick bamboo 4 inner chamber.

Referring to fig. 2, the filtering mechanism 6 includes a partition board 61, a filter screen 62 is disposed at the bottom of the inner cavity of the treatment cylinder 4, and heating wires 63 are disposed around the top of the inner wall of the treatment cylinder 4.

This embodiment is through setting up filter mechanism 6, can make air rise to the inside of a treatment section of thick bamboo 4 after getting into connecting pipe 2, and a treatment section of thick bamboo 4 cooperation filter screen 62 carries out impurity filtering to the air, then rises to the inner space of heater strip 63 through division board 61 and carries out drying process to it.

Referring to fig. 2, through holes 7 are formed in the left side and the right side of the inner cavity of the isolation plate 61, the number of the through holes 7 is several, the through holes 7 are uniformly distributed, and the through holes 7 are matched with the isolation plate 61.

In the embodiment, through the arrangement of the through holes 7, air can rise to the inner space of the heating wire 63 through the partition board 61, and meanwhile, the function of dredging is achieved, so that the problem that the drying speed is influenced slowly by the air passing efficiency is avoided, and the processing time is prolonged.

Referring to fig. 2, the top and the bottom of the treatment cylinder 4 are both provided with openings 8, the width of the openings 8 and the distance between the connection pipes 2 are less than two millimeters, and the openings 8 are matched with the connection pipes 2.

This embodiment passes through opening 8's setting, can make the complete opening 8 that passes through of connecting pipe 2 dock, has avoided the too big phenomenon that leads to outside air entering transformer 1's inside to cause the pollution of gap between opening 8 and the connecting pipe 2.

Referring to fig. 3, a sealing ring 9 is disposed on the surface of the connection pipe 2 and inside the transformer 1, the diameter of the sealing ring 9 is larger than that of the connection pipe 2, and the sealing ring 9 is engaged with the transformer 1.

This embodiment can assist connecting pipe 2 to work through the setting of sealing ring 9, plays sealed effect simultaneously, has avoided connecting pipe 2 to leave the gap in transformer 1's inside and has leaded to the phenomenon that the air appears leaking.

Referring to fig. 1, the front end of a transformer 1 is provided with an intake grill 10, the intake grill 10 having a cross-sectional area smaller than that of the transformer 1, the intake grill 10 being fitted to the transformer 1.

The setting of air-inlet grille 10 is passed through to this embodiment, can assist transformer 1 to carry out work, plays radiating effect simultaneously, has avoided transformer 1 inside to produce the high temperature safe accident that appears, also makes things convenient for external natural wind to dispel the heat to transformer 1 casing.

The utility model discloses a transformer 1 normally works, transformer 1 is because load or ambient temperature's change, the breathing takes place for insulating liquid volume in the electrical equipment such as transformer 1, when humidity transducer 3 experienced the signal and inhaled the air, the air passes through the inside of connecting pipe 2 entering processing section of thick bamboo 4, then the air filters through the dust of filter screen 62 in to the air, then the air current passes through division board 61 and enters the inside stoving processing that carries out of heater strip 63, reach dry air's purpose.

Claims

1. The utility model provides an oil-immersed power transformer dehumidification mechanism, includes transformer (1), its characterized in that: the left side intercommunication at transformer (1) top has connecting pipe (2), top fixedly connected with humidity transducer (3) of transformer (1) are run through to the bottom of connecting pipe (2), the top intercommunication of connecting pipe (2) has a processing section of thick bamboo (4), handle left top fixedly connected with circuit box (5) of a section of thick bamboo (4), the horizontal fixedly connected with filter mechanism (6) of center department of processing section of thick bamboo (4) inner chamber.

2. The oil-immersed power transformer dehumidification mechanism according to claim 1, wherein: the filter mechanism (6) comprises a partition board (61), a filter screen (62) is arranged at the bottom of the inner cavity of the treatment cylinder (4), and heating wires (63) are arranged on the periphery of the top of the inner wall of the treatment cylinder (4).

3. The oil-immersed power transformer dehumidification mechanism according to claim 2, wherein: through hole (7) have all been seted up on the left side and the right side of division board (61) inner chamber, the quantity of through hole (7) is a plurality of, and evenly distributed, through hole (7) and division board (61) cooperation.

4. The oil-immersed power transformer dehumidification mechanism according to claim 3, wherein: opening (8) have all been seted up to the top and the bottom of handling a section of thick bamboo (4), the width of opening (8) and the interval between connecting pipe (2) are less than two millimeters, opening (8) and connecting pipe (2) cooperation.

5. The oil-immersed power transformer dehumidification mechanism according to claim 4, wherein: the transformer is characterized in that a sealing ring (9) is arranged on the surface of the connecting pipe (2) and inside the transformer (1), the diameter of the sealing ring (9) is larger than that of the connecting pipe (2), and the sealing ring (9) is matched with the transformer (1).

6. The oil-immersed power transformer dehumidification mechanism according to claim 5, wherein: the front end of the transformer (1) is provided with an air inlet grille (10), the cross section area of the air inlet grille (10) is smaller than that of the transformer (1), and the air inlet grille (10) is matched with the transformer (1).