CN201408628Y

CN201408628Y - Conservator breather of transformer

Info

Publication number: CN201408628Y
Application number: CN2009201721134U
Authority: CN
Inventors: 刘强
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-05-18
Filing date: 2009-05-18
Publication date: 2010-02-17
Anticipated expiration: 2019-05-18

Abstract

The utility model discloses a conservator breather of a transformer. The conservator breather comprises a power supply control section and a moisture removal device. The conservator breather is characterized in that the moisture removal device includes an aluminum heat dissipation tank body and a group of heat fins connected with the aluminum heat dissipation tank body, wherein a group of air refrigerating pipes consisting of an air inlet pipe and an air outlet pipe are arranged in the aluminum heat dissipation tank body; the air inlet pipe is located on the upper part of the aluminum heat dissipation tank body; the air outlet pipe is located on the lower part of the aluminum heat dissipation tank body; the air inlet pipe is communicated with the air outlet pipe in the aluminum heat dissipation tank body to form a condensing chamber; the other ends of the air inlet pipe and the air outlet pipe are respectively communicated with the air in the conservator of the transformer; one or morecold conductive blocks are connected with the outside of the condensing chamber; and a semiconductor refrigerating component is arranged on each cold conducive block. The conservator breather of thetransformer obviates the need of the capsule and silica gel moisture removal device in the prior art, and has the advantages of simplified structure, high moisture removal efficiency, good effect andconvenient maintenance.

Description

A kind of transformer conservator respirator

[technical field]

The utility model relates to a kind of transformer conservator respirator, and the utility model relates to a kind of conservator dehumidifier apparatus of oil-filled transformer specifically, but the utility model also can be used for the cooling dehumidifier occasion of electric cabinet.

[background technology]

At present, domestic oil-immersed power transformer, its conservator generally adopts the capsule-type structure, and installing an attached breathing drying device additional, its inside is filled with adsorbent (as silica gel), when discolour silica gel becomes pale red by blueness, show that adsorbent makes moist, must change or dried.Described structure is for transformer, and its regular maintenance and turnover job are loaded down with trivial details relatively, and especially coastal humid area respirator silica gel is changed more frequent, the described prior art weak effect that not only dries, and increased working link, and having reduced operating efficiency, described defective value must improve.

[utility model content]

The purpose of this utility model is at the deficiencies in the prior art, a kind of transformer conservator respirator is provided, the utility model can be saved the capsule and the silica gel filter of prior art, thereby simplifies the structure of conservator, and dehumidification rate height, effective on this basis.

The technical solution of the utility model is as described below: a kind of transformer conservator respirator; comprise that power control part divides and dehumidifier apparatus; described power control part branch comprises transformer; rectifier and pattern automatic switching control circuit and alarm and protection circuit; it is characterized in that; described dehumidifier apparatus comprises an aluminum hull heat radiation casing and the one group of fin that is connected with described aluminum hull heat radiation casing; in the described aluminum hull heat radiation casing one group of gas refrigeration pipeline of being made up of air inlet pipe and escape pipe is set; described air inlet pipe is positioned at the top of described aluminum hull heat radiation casing; described escape pipe is positioned at the bottom of described aluminum hull heat radiation casing; described air inlet pipe and described escape pipe communicate in described aluminum hull heat radiation casing and form a condensation chamber; the other end of described air inlet pipe and described escape pipe respectively with the transformer conservator in air communication; the more than one cool guiding block of the outer connection of described condensation chamber; each cool guiding block is provided with a semiconductor refrigerating element; the chill surface of described cooling module is close to cool guiding block, and another side links to each other with described fin for the face of heating.

According to the utility model of said structure, its feature is that also described condensation chamber bottom is provided with an osculum that caliber is elongated, and described osculum and described condensation chamber coupling part are provided with a ball float that plays the unidirectional valve effect.

According to the utility model of said structure, its feature is that also the part of described air inlet pipe outside being exposed to aluminum hull heat radiation casing and transformer conservator is provided with an air admission hole that the aperture is elongated, and described air admission hole one end is provided with air inlet and breathes filter screen.

According to the utility model of said structure, its feature also is, is provided with netted refrigeration net in the described condensation chamber, and described refrigeration net is the refrigeration copper wire.

According to the utility model of said structure, its feature also is, is filled with heat-insulating material in aluminum hull heat radiation casing, and described heat-insulating material is the polyurathamc sealant.

Cool guiding block and condensation chamber in the utility model aluminum hull heat radiation casing are welded as a whole, described cool guiding block is the square structure of red copper material, described condensation chamber integral body is silver-plated, interior is netted refrigeration copper wire, a plurality of semiconductor refrigerating elements and cool guiding block closely link to each other with fin with condensation chamber, and faying face also is coated with heat-conducting silicone grease, owing to increased heat transfer area, increased the distance of fin and condensation chamber, so improved refrigeration transmission speed and effect.

According to the utility model of said structure, its beneficial effect is that it has saved the capsule and the silica gel filter of prior art, thereby has simplified the structure of conservator, and dehumidification rate height, effective, and the failure rate of machine is low, and is easy to maintenance.

[description of drawings]

Accompanying drawing 1 is a schematic diagram of the present utility model.

Accompanying drawing 2 is the stereoscopic-state figure of condensation chamber and fin among Fig. 1.

Conservator in the drawings, 1; 2, air inlet pipe; 3, condensation chamber; 4, cool guiding block; 5, cooling module; 6, fin; 7, inlet wire cable; 8, osculum; 9, ball float; 10, aluminum hull heat radiation casing; 11, escape pipe; 12, refrigeration net; 13, filter screen is breathed in air inlet; 14, power controling box; 15, polyurathamc sealant; 21, pasta; 22, air admission hole.

[embodiment]

Below in conjunction with accompanying drawing and execution mode the utility model is further described:

As Fig. 1; shown in 2; transformer conservator respirator of the present utility model; comprise that power control part divides and dehumidifier apparatus; described power control part branch comprises transformer; rectifier and pattern automatic switching control circuit and alarm and protection circuit; it is characterized in that; described dehumidifier apparatus comprises an aluminum hull heat radiation casing 10 and the one group of fin 6 that is connected with described aluminum hull heat radiation casing 10; in the described aluminum hull heat radiation casing 10 one group of gas refrigeration pipeline of being made up of air inlet pipe 2 and escape pipe 11 is set; described air inlet pipe 2 is positioned at the top of described aluminum hull heat radiation casing 10; described escape pipe 11 is positioned at the bottom of described aluminum hull heat radiation casing 10; described air inlet pipe 2 and described escape pipe 11 communicate in described aluminum hull heat radiation casing 10 and form a condensation chamber 3; the other end of described air inlet pipe 2 and described escape pipe 11 respectively with transformer conservator 1 in air communication; the more than one cool guiding block 4 of described condensation chamber 3 outer connections; each cool guiding block 4 is provided with a semiconductor refrigerating element 5; the chill surface of described cooling module 5 is close to cool guiding block 4, and another side links to each other with described fin 6 for the face of heating.

Described condensation chamber 3 bottoms are provided with an osculum 8 that caliber is elongated, and described osculum 8 and described condensation chamber 3 coupling parts are provided with a ball float 9 that plays the unidirectional valve effect.

The part of described air inlet pipe 2 outside being exposed to aluminum hull heat radiation casing 10 and transformer conservator 1 is provided with an air admission hole 22 that the aperture is elongated, and described air admission hole 22 1 ends are provided with air inlet and breathe filter screen 13.

Be provided with netted refrigeration net 12 in the described condensation chamber 3, described refrigeration net 12 is the refrigeration copper wire.

Be filled with heat-insulating material in aluminum hull heat radiation casing 10, described heat-insulating material is a polyurathamc sealant 15.

Cool guiding block 4 in the utility model aluminum hull heat radiation casing 10 is welded as a whole with condensation chamber 3, described cool guiding block 4 is the square structure of red copper material, described condensation chamber 3 integral body are silver-plated, interior is netted refrigeration copper wire, a plurality of semiconductor refrigerating elements 5 and cool guiding block 4 closely link to each other with fin 6 with condensation chamber 3, and faying face also is coated with heat-conducting silicone grease, owing to increased heat transfer area, increased the distance of fin 6 and condensation chamber 3, so improved refrigeration transmission speed and effect.

Operation principle of the present utility model is, by the forward dc of inlet wire cable 7 from power controling box 14, cooling module 5 work, condensation chamber 3 begins refrigeration, and the damp-heat air of pasta more than 21 of conservator 1 is because thermosyphon action flows into air inlet pipe 2, enter condensation chamber 3, become ice or frost through cooling, be attached on condensation chamber 3 inwalls and the refrigeration net 12, dehumidified and dry air enters conservator 1 by escape pipe 11;

After at regular intervals, power control part of the present utility model divides and feeds reverse current automatically, and condensation chamber of the present utility model 3 becomes heating by refrigeration, and frost is melted to behind the water, and ball float 9 is floated, and water is discharged by bottom discharge pipe 8.After heating finished, the utility model began refrigeration again, and so Automatic Cycle constantly repeats, and reached the purpose of air in the dry conservator 1.

In addition, variations in temperature because of transformer itself and environment, cause the pasta 21 of conservator 1 to have rising to have falling, when pasta 21 descended, extraneous air was breathed filter screen 13 and air admission hole 22 enters air inlet pipe 2 through air inlet, after condensation chamber 3 dryings, flowing into conservators 1 through blast pipe 11, is dry with regard to the air that has guaranteed to enter conservator 1, like this when oil level rises, air is breathed filter screen 13 through air inlet and is discharged, and air inlet is at this moment breathed filter screen 13 and played scavenging action.

Claims

1; a kind of transformer conservator respirator; comprise that power control part divides and dehumidifier apparatus; described power control part branch comprises transformer; rectifier and pattern automatic switching control circuit and alarm and protection circuit; it is characterized in that; described dehumidifier apparatus comprises an aluminum hull heat radiation casing (10) and the one group of fin (6) that is connected with described aluminum hull heat radiation casing (10); in the described aluminum hull heat radiation casing (10) one group of gas refrigeration pipeline of being made up of air inlet pipe (2) and escape pipe (11) is set; described air inlet pipe (2) is positioned at the top of described aluminum hull heat radiation casing (10); described escape pipe (11) is positioned at the bottom of described aluminum hull heat radiation casing (10); described air inlet pipe (2) and described escape pipe (11) communicate in described aluminum hull heat radiation casing (10) and form a condensation chamber (3); the other end of described air inlet pipe (2) and described escape pipe (11) respectively with transformer conservator (1) in air communication; the outer more than one cool guiding block (4) that connects of described condensation chamber (3); each cool guiding block (4) is provided with a semiconductor refrigerating element (5); the chill surface of described cooling module (5) is close to cool guiding block (4), and another side links to each other with described fin (6) for the face of heating.

2, transformer conservator respirator according to claim 1, its feature also is, described condensation chamber (3) bottom is provided with an osculum (8) that caliber is elongated, and described osculum (8) and described condensation chamber (3) coupling part are provided with a ball float (9) that plays the unidirectional valve effect.

3, transformer conservator respirator according to claim 1, its feature also is, the part of described air inlet pipe (2) outside being exposed to aluminum hull heat radiation casing (10) and transformer conservator (1), be provided with an air admission hole (22) that the aperture is elongated, described air admission hole (22) one ends are provided with air inlet and breathe filter screen (13).

4, transformer conservator respirator according to claim 1, its feature also are, are provided with netted refrigeration net (12) in the described condensation chamber (3), and described refrigeration net (12) is the refrigeration copper wire.

5, transformer conservator respirator according to claim 1, its feature also are, are filled with heat-insulating material in aluminum hull heat radiation casing (10), and described heat-insulating material is polyurathamc sealant (15).