CN203491049U - Cooling air duct mechanism of dry type transformer - Google Patents

Cooling air duct mechanism of dry type transformer Download PDF

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Publication number
CN203491049U
CN203491049U CN201320569501.2U CN201320569501U CN203491049U CN 203491049 U CN203491049 U CN 203491049U CN 201320569501 U CN201320569501 U CN 201320569501U CN 203491049 U CN203491049 U CN 203491049U
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CN
China
Prior art keywords
type transformer
dry
dry type
cooling air
air
Prior art date
Application number
CN201320569501.2U
Other languages
Chinese (zh)
Inventor
陈鹏
吴乾进
Original Assignee
海南金盘电气有限公司
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Publication date
Application filed by 海南金盘电气有限公司 filed Critical 海南金盘电气有限公司
Priority to CN201320569501.2U priority Critical patent/CN203491049U/en
Application granted granted Critical
Publication of CN203491049U publication Critical patent/CN203491049U/en

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Abstract

The utility model discloses a cooling air duct mechanism of a dry type transformer. The cooling air duct mechanism comprises a dry type transformer protection shell, air inlets formed in the dry type transformer protection shell, air outlets formed in the dry type transformer protection shell, and exhaust fans arranged on the air outlets. The cooling air duct mechanism further comprises an insulation partition plate horizontally arranged in the middle position of the dry type transformer protection shell, air inlet cavities are formed below the insulation partition plate, exhaust cavities are formed above the insulation partition plate, the air inlets are formed in the side walls of the air inlet cavities, the air outlets are formed in the tops or the side walls of the exhaust cavities, and a plurality of diversion holes are formed in the portions, surrounding all coils of the dry type transformer, of the insulation partition plate. The cooling air duct mechanism of the dry type transformer is simple in design and structure, easy to machine, low in cost, convenient to assemble and obvious in ventilation cooling effect, practices have proven that by means of the cooling air duct mechanism of the dry type transformer, the temperature rise of the dry type transformer is lowered by about 15K under the same ventilation condition.

Description

A kind of dry-type transformer cooling air channel mechanism

Technical field

The utility model relates to power transmission and distribution equipment appurtenance and plant equipment ventilation cooling technology field, particularly a kind of dry-type transformer cooling air channel mechanism.

Background technology

Development along with electric power system, the applied environment of power transmission and distribution equipment and plant equipment is more and more wider, for power transmission and distribution equipment and plant equipment, the cooling channel of device interior is vital, particularly those are installed on the power equipment in special running environment, and desired degree of protection is higher.

The large electric equipment of caloric value during for this load operation of dry-type transformer, when running environment cannot meet natural draft when cooling, all can take some special type of cooling, guarantees the normal work of dry-type transformer by the cooling mode of ventilating.

Dry-type transformer cooling air channel of the prior art mechanism, what adopt is the housing forced-ventilated type of cooling, concrete, bottom at dry-type transformer protective casing is provided with air inlet, at top, set out air port, simultaneously, at air outlet, place is provided with blower fan, by blower fan, force air draft that the hot gas in dry-type transformer protective casing is discharged outside housing, this mode just reaches cooling effect by adopting to the mode of the inner ventilation of dry-type transformer protective casing, but, in fact, the cold wind that air inlet enters relatively disperses in enclosure interior, few by the generate heat cooling air volume of body of transformer, cooling effect is poor.

In sum, how further to improve the cooling effect of cold air to dry-type transformer housing internal heat generation body, reduce the temperature rise of dry-type transformer, become those skilled in the art's technical problem urgently to be resolved hurrily.

Utility model content

The purpose of this utility model is to provide a kind of dry-type transformer cooling air channel mechanism, can further improve the cooling effect of cold air to dry-type transformer housing internal heat generation body, reduces the temperature rise of dry-type transformer.

For solving the problems of the technologies described above, the utility model provides following technical scheme:

A kind of dry-type transformer cooling air channel mechanism, comprise: dry-type transformer protective casing, be arranged at air inlet, the air outlet on described dry-type transformer protective casing and be arranged at the exhaust blower on described air outlet, also comprising the insulating barrier being horizontally placed on described dry-type transformer protective casing centre position; The below of described insulating barrier is inlet chamber, and top is discharge chamber; Described air inlet is arranged on the sidewall of described inlet chamber; Described air outlet is arranged on the top or sidewall of described discharge chamber; Described insulating barrier offers a plurality of pod apertures around at each coil of dry-type transformer.

Preferably, also comprise the outside that is sheathed on coil described in each, and be arranged at described insulating barrier upper surface, be set in corresponding a plurality of ventilating ducts in coil pod apertures outside around described in each simultaneously.

Preferably, the upper end of described ventilating duct and the upper end of described coil are concordant.

Preferably, described air inlet has a plurality of, and is positioned at the bottom of described sidewall.

Relative above-mentioned background technology, dry-type transformer cooling air channel provided by the utility model mechanism, centre position at dry-type transformer protective casing is provided with insulating barrier, dry-type transformer protective casing is divided into the discharge chamber that is positioned at the inlet chamber of below and is positioned at top, insulating barrier offers a plurality of pod apertures around at each coil of dry-type transformer simultaneously, cold air is by the air draft that forces of exhaust blower, by the air inlet being positioned on inlet chamber sidewall, enter inlet chamber, then through a plurality of pod apertures, enter discharge chamber, make concentrated being distributed in around the iron core and coil that becomes heating body in dry-type transformer of cold air, pointed increasing the cooling air quantity of flow through iron core and coil, and then increased the heat exchange efficiency of cold air at iron core and coil surface, improved the utilance of cooling air quantity, finally, air after heat exchange is discharged from air outlet, effectively reduce the temperature rise of dry-type transformer.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

The dry-type transformer cooling air channel mechanism that Fig. 1 provides for the utility model and the assembly drawing of dry-type transformer;

Fig. 2 is the structural representation of dry-type transformer cooling air channel provided by the utility model mechanism.

Embodiment

Core of the present utility model is to provide a kind of dry-type transformer cooling air channel mechanism, can further improve the cooling effect of cold air to dry-type transformer housing internal heat generation body, reduces the temperature rise of dry-type transformer.

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.

In the description of following utility model embodiment, about " on ", the description of the position such as D score take position shown in the drawings as basis.

Incorporated by reference to Fig. 1 and Fig. 2, the dry-type transformer cooling air channel mechanism that Fig. 1 provides for the utility model and the assembly drawing of dry-type transformer; Fig. 2 is the structural representation of dry-type transformer cooling air channel provided by the utility model mechanism.

Dry-type transformer cooling air channel provided by the utility model mechanism, comprises dry-type transformer protective casing 1, air inlet 2, air outlet, exhaust blower 3, insulating barrier 4, inlet chamber 51, discharge chamber 52 and a plurality of pod apertures.

Concrete, insulating barrier 4 is horizontally placed on the centre position of dry-type transformer protective casing 1, dry-type transformer protective casing 1 is divided into upper and lower two cavity body structures, the below of insulating barrier 4 is inlet chamber 51, top is discharge chamber 52, air inlet 2 is arranged on the sidewall of inlet chamber 51, and air outlet is arranged on the top or sidewall of discharge chamber 52, and insulating barrier 4 offers a plurality of pod apertures around at each coil of dry-type transformer.

The dry-type transformer cooling air channel mechanism that the utility model embodiment provides, realize cooling to the heating body of dry-type transformer dry-type transformer protective casing 1 is inner, concrete, cold air is by the air draft that forces of exhaust blower 3, by the air inlet 2 being positioned on inlet chamber 51 sidewalls, enter inlet chamber 51, then through a plurality of pod apertures, enter discharge chamber 52, make concentrated being distributed in around the iron core and coil that becomes heating body in dry-type transformer of cold air, pointed increasing the cooling air quantity of flow through iron core and coil, and then increased the heat exchange efficiency of cold air at iron core and coil surface, improved the utilance of cooling air quantity, finally, air after heat exchange is discharged from air outlet, effectively reduce the temperature rise of dry-type transformer.

For further optimisation technique scheme, improve the utilance of cooling air quantity, in a specific embodiment of the present utility model, dry-type transformer cooling air channel mechanism, also comprises a plurality of ventilating ducts 6.

Concrete, the number of ventilating duct 6 is identical with the number of dry-type transformer coil, and corresponding one by one, in the utility model embodiment, the number of dry-type transformer coil is 3, the number of ventilating duct 6 is provided with 3 equally, ventilating duct 6 is sheathed on the outside of each coil, and be arranged at insulating barrier 4 upper surfaces, be set in corresponding each coil pod apertures outside around simultaneously, that is to say, each ventilating duct 6 is when surrounding coil, also by a plurality of pod apertures encirclements of correspondence around of this coil, the air by a plurality of pod apertures directly enters in ventilating duct 6, carry out the heat exchange to the iron core of dry-type transformer and coil.

In the dry-type transformer cooling air channel mechanism that the utility model embodiment provides, comprise ventilating duct 6, when making cold air, passed after pod apertures by inlet chamber 51 by exhaust blower 3, directly enter in ventilating duct 6, be equivalent to the iron core of dry-type transformer and coil as in a closing air flue, in the space that forces like this cold air only to limit at ventilating duct 6, flow, further increased in the cold air that enters inlet chamber 51 by pod apertures, through the iron core of dry-type transformer and the air quantity of coil surface, further provide the efficiency of hot transmission.

Preferably, in specific embodiment of the utility model, the upper end of ventilating duct 6 and the upper end of coil of dry-type transformer cooling air channel mechanism are concordant.

In order to guarantee that dry-type transformer cooling air channel mechanism has abundant cooling air, on the sidewall of inlet chamber 51, be provided with a plurality of air inlets 2, and be positioned at the bottom of sidewall.

The shape that air inlet 2 is offered is not only defined as rectangular shape as depicted in figs. 1 and 2, can be designed to according to actual conditions the opening of other shapes, and air outlet offer position and quantity, be not only defined as situation as depicted in figs. 1 and 2, can determine according to actual air volume and cooling effectiveness.

In above-described embodiment of the present utility model, the project organization of dry-type transformer cooling air channel mechanism is simple, easily processing, low-cost, easy to assembly, ventilation cooling effect is obvious, facts have proved, this dry-type transformer cooling air channel mechanism, makes the temperature rise of dry-type transformer in ventilation situation on an equal basis reduce 15K left and right.

Above a kind of dry-type transformer cooling air channel provided by the utility model mechanism is described in detail.Applied specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.

Claims (4)

1. a dry-type transformer cooling air channel mechanism, comprise: dry-type transformer protective casing (1), be arranged at air inlet (2), the air outlet on described dry-type transformer protective casing (1) and be arranged at the exhaust blower (3) on described air outlet, it is characterized in that, also comprise the insulating barrier (4) being horizontally placed on described dry-type transformer protective casing (1) centre position; The below of described insulating barrier (4) is inlet chamber (51), and top is discharge chamber (52); Described air inlet (2) is arranged on the sidewall of described inlet chamber (51); Described air outlet is arranged on the top or sidewall of described discharge chamber (52); Described insulating barrier (4) offers a plurality of pod apertures around at each coil of dry-type transformer.
2. dry-type transformer cooling air channel as claimed in claim 1 mechanism, it is characterized in that, also comprise the outside that is sheathed on coil described in each, and be arranged at described insulating barrier (4) upper surface, be set in corresponding a plurality of ventilating ducts (6) in coil pod apertures outside around described in each simultaneously.
3. dry-type transformer cooling air channel as claimed in claim 2 mechanism, is characterized in that, the upper end of described ventilating duct (6) is concordant with the upper end of described coil.
4. dry-type transformer cooling air channel as claimed in claim 1 mechanism, is characterized in that, described air inlet (2) has a plurality of, and is positioned at the bottom of described sidewall.
CN201320569501.2U 2013-09-13 2013-09-13 Cooling air duct mechanism of dry type transformer CN203491049U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320569501.2U CN203491049U (en) 2013-09-13 2013-09-13 Cooling air duct mechanism of dry type transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320569501.2U CN203491049U (en) 2013-09-13 2013-09-13 Cooling air duct mechanism of dry type transformer

Publications (1)

Publication Number Publication Date
CN203491049U true CN203491049U (en) 2014-03-19

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Application Number Title Priority Date Filing Date
CN201320569501.2U CN203491049U (en) 2013-09-13 2013-09-13 Cooling air duct mechanism of dry type transformer

Country Status (1)

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CN (1) CN203491049U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104979077A (en) * 2015-08-03 2015-10-14 钱国臣 Dry-type transformer apparatus with gas inlet control valve and LED lighting lamps
CN105023713A (en) * 2015-08-03 2015-11-04 钱国臣 Dry-type transformer device
CN105023712A (en) * 2015-08-03 2015-11-04 王启先 Control system of dry-type transformer device
CN105047370A (en) * 2015-08-03 2015-11-11 晋江市晋美日用品有限公司 Dry-type transformer device with light-emitting diode (LED) head lamps
CN105097207A (en) * 2015-08-03 2015-11-25 南安市申达鑫通商贸有限公司 Dry type transformer device with filter screen
CN105097195A (en) * 2015-08-03 2015-11-25 义乌市中鹏企业管理咨询有限公司 Dry type transformer device using position sensors
CN105914005A (en) * 2016-06-13 2016-08-31 天津瑞能电气有限公司 External ventilation device of wind power generating frequency converter reactor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104979077A (en) * 2015-08-03 2015-10-14 钱国臣 Dry-type transformer apparatus with gas inlet control valve and LED lighting lamps
CN105023713A (en) * 2015-08-03 2015-11-04 钱国臣 Dry-type transformer device
CN105023712A (en) * 2015-08-03 2015-11-04 王启先 Control system of dry-type transformer device
CN105047370A (en) * 2015-08-03 2015-11-11 晋江市晋美日用品有限公司 Dry-type transformer device with light-emitting diode (LED) head lamps
CN105097207A (en) * 2015-08-03 2015-11-25 南安市申达鑫通商贸有限公司 Dry type transformer device with filter screen
CN105097195A (en) * 2015-08-03 2015-11-25 义乌市中鹏企业管理咨询有限公司 Dry type transformer device using position sensors
CN104979077B (en) * 2015-08-03 2016-06-08 国网山东省电力公司菏泽供电公司 A kind of dry type transformer device with air intake control valve and LED illumination lamp
CN105914005A (en) * 2016-06-13 2016-08-31 天津瑞能电气有限公司 External ventilation device of wind power generating frequency converter reactor

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Address after: 570216 7 Haikou Free Trade Zone, 168 Nanhai Road, Haikou, Hainan.

Patentee after: Hainan Jinpan intelligent Polytron Technologies Inc

Address before: 570216 7 Haikou Free Trade Zone, 168 Nanhai Road, Haikou, Hainan.

Patentee before: Hainan Jinpan Electric Co., Ltd.

CP01 Change in the name or title of a patent holder