CN206947130U - A kind of cooling system of dry-type transformer - Google Patents
A kind of cooling system of dry-type transformer Download PDFInfo
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- CN206947130U CN206947130U CN201720635930.3U CN201720635930U CN206947130U CN 206947130 U CN206947130 U CN 206947130U CN 201720635930 U CN201720635930 U CN 201720635930U CN 206947130 U CN206947130 U CN 206947130U
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Abstract
The utility model discloses a kind of cooling system of dry-type transformer, including shell, set in shell cored, low-voltage coil pour mass is provided with the outside of iron core, high-tension coil pour mass is provided with the outside of low-voltage coil pour mass, insulating cylinder is provided between low-voltage coil pour mass and high-tension coil pour mass, the upper end of the high-tension coil pour mass is provided with the first servomotor, the lower end of high-tension coil pour mass is provided with the second servomotor, the first flabellum and the second flabellum are respectively arranged with first servomotor and the second servomotor, the diameter of first flabellum is less than the external diameter of low-voltage coil pour mass, and more than the internal diameter of low-voltage coil pour mass, the diameter of second flabellum is more than the external diameter of high-tension coil pour mass.The utility model can improve the deficiencies in the prior art, improve the transformer radiating uniformity.
Description
Technical field
Dry-Transformer Technology field is the utility model is related to, especially a kind of cooling system of dry-type transformer.
Background technology
As the transformer of one of power transmission and transformation substantial equipment, its in the process of running, due to the stream of each coil-conductor electric current
Dynamic and electromagnetic field presence, can produce electric energy loss, mainly load loss, open circuit loss and added losses.These losses will
It is changed into heat transfer into surrounding medium, so as to cause transformer heating and temperature rise.But with the increasing of transformer capacity
Greatly, leakage magnetic flux increases, corresponding stray loss increase；Size and the capacity increase of transformer simultaneously disproportionate cause local stray to damage
Consumption increase；High-power transformer electric current is big, particularly has circulating current also accordingly to increase by between each parallel conducting wire of low pressure winding
Add added losses etc..Therefore, the difficulty that distributes of transformer generation heat increases, it is necessary to take attached with the increase of volume and capacity
Add cooling measure to reduce temperature rise, and take additional heat measure to have accordingly increased the added losses of transformer.China
The B of patent of invention CN 101661828 disclose a kind of radiating device for dry-type transformer, by setting the axial ducts and spoke that communicate
To air channel, the circulation of air is improved, improves radiating effect.But easily there is part in the design of this gas channel
Air-flow blind area, the problem of causing transformer easy hot-spot.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of cooling system of dry-type transformer, can solve the problem that existing
The deficiency of technology, improve the transformer radiating uniformity.
In order to solve the above technical problems, technical solution adopted in the utility model is as follows.
A kind of cooling system of dry-type transformer, including shell, the interior setting of shell is cored, is provided with the outside of iron core low
Line ball circle pour mass, high-tension coil pour mass, low-voltage coil pour mass and high-voltage line are provided with the outside of low-voltage coil pour mass
Insulating cylinder is provided between circle pour mass, the upper end of the high-tension coil pour mass is provided with the first servomotor, high-tension coil
The lower end of pour mass is provided with the second servomotor, and the first flabellum is respectively arranged with the first servomotor and the second servomotor
With the second flabellum, the diameter of the first flabellum is less than the external diameter of low-voltage coil pour mass, and is more than the internal diameter of low-voltage coil pour mass,
The diameter of second flabellum is more than the external diameter of high-tension coil pour mass；It is logical that several first axial directions are provided with low-voltage coil pour mass
Road, several the first radial passages are provided with low-voltage coil pour mass, the first radial passage spiral is set, the first axial passage
It is interconnected with the first radial passage, several the second axial passages, high-tension coil cast is provided with high-tension coil pour mass
Several the second radial passages are provided with vivo, and the second radial passage spiral is set, the second axial passage and the second radial passage
It is interconnected, several radial direction through hole is provided with insulating cylinder；Controller, the first radial passage, the second footpath are provided with shell
Switch valve is installed on to passage and radial direction through hole, if being respectively arranged with the inside of low-voltage coil pour mass and high-tension coil pour mass
A dry temperature sensor, the control signal output of controller respectively with the first servomotor, the second servomotor and switch valve
Connection, the temperature signal input of controller are connected with temperature sensor.
Preferably, be provided with several first baffles in first axial passage, the top of first baffle is to updip
Tiltedly set, be provided with first through hole on first baffle, check valve, the upward one-way conduction of check valve are provided with first through hole.
Preferably, the connecting interface of first radial passage and the first axial passage is located at the top of first baffle,
First radial passage and the connecting interface and the spacing of first baffle and the link position of the first axial passage of the first axial passage
For 4~5cm.
Preferably, being provided with several annular flanges in first radial passage, cavity is provided with annular flange,
Annular flange bottom is provided through the first passage of cavity, and it is logical that second communicated with cavity is provided with the top of annular flange
The ratio between internal diameter of stomata, the first passage and the second passage is 7:1.
Preferably, the inwall of second axial passage is provided with spiral stream guidance groove, spiral stream guidance groove and second is radially
Passage is connected.
Preferably, the inwall of second radial passage is provided with spherical flange, the bottom of spherical flange be provided with
The diversion groove of spherical lip fits.
Preferably, the radial direction through hole and the Cross port of the first radial passage and the second radial passage are set.
A kind of cooling control method of the cooling system of above-mentioned dry-type transformer, comprises the following steps：
A, after transformer is started working, the first servomotor and the second servomotor drive the first flabellum and the second flabellum to
Upper air draft；
B, when temperature sensor detects low-voltage coil cast temperature rise, the switch valve closed on radial direction through hole；
C, when temperature sensor detects the rise of low-voltage coil pour mass local temperature, the first radial passage of relevant position
Interior switch valve is kept it turned on, and the switch valve of the first radial passage of remaining position is closed；
D, when temperature sensor detects high-tension coil cast temperature rise, the first servomotor rotates backward, and makes the
The downward air draft of one flabellum；
E, when temperature sensor detects the rise of high-tension coil pour mass local temperature, the second radial passage of relevant position
Switch valve keep it turned on, the switch valve of the second radial passage of remaining position is closed.
It is using beneficial effect caused by above-mentioned technical proposal：The utility model by low-voltage coil pour mass and
Two groups of aeration structures are set on high-tension coil pour mass, aeration structure is blown by two flabellums, realizes the uniform of transformer
Radiating.By real-time monitoring of the temperature sensor to inside transformer, according to the situation of inside transformer temperature change, to two groups
Switch valve on radial passage and radial direction through hole is opened and closed control while coordinates the control of the first flabellum air draft direction, Ke Yigai
Become the flow direction of wind direction in aeration structure, the position higher to temperature carries out fast cooling.Due in low-voltage coil pour mass
Air flow rate it is larger, in low-voltage coil pour mass aeration structure can effectively improve air and aeration structure contact area and
Time of contact, so as to improve the caloric receptivity of air-flow.Air flow rate in high-tension coil pour mass is smaller, by reducing high-tension coil
The resistance of pour mass interior air-flow circulation, can effectively improve air-flow velocity, so as to improve high-tension coil pour mass interior air-flow flow,
Improve the radiating effect of high-tension coil cast body region.Two groups of aeration structures are connected by radial direction through hole, it is possible to achieve two
Air-flow between group aeration structure quickly flows, and effectively increases the overall heat dissipation uniformity of transformer.
Brief description of the drawings
Fig. 1 is the structure chart of one embodiment of the utility model.
Fig. 2 is the structure chart of the first axial passage in one embodiment of the utility model
Fig. 3 is the structure chart of the first radial passage in one embodiment of the utility model.
Fig. 4 is the structure chart of the second axial passage in one embodiment of the utility model.
Fig. 5 is the structure chart of the second radial passage in one embodiment of the utility model.
In figure：1st, shell；2nd, iron core；3rd, low-voltage coil pour mass；4th, high-tension coil pour mass；5th, insulating cylinder；6th, first
Servomotor；7th, the second servomotor；8th, the first flabellum；9th, the second flabellum；10th, the first axial passage；11st, first is radially logical
Road；12nd, the second axial passage；13rd, the second radial passage；14th, radial direction through hole；15th, controller；16th, switch valve；17th, temperature passes
Sensor；18th, first baffle；19th, first through hole；20th, check valve；21st, annular flange；22nd, cavity；23rd, the first passage；24、
Second passage；25th, spiral stream guidance groove；26th, spherical flange；27th, diversion groove.
Embodiment
The standardized element used in the utility model can commercially, and shaped piece is according to specification and attached
The record of figure can carry out it is customized, the specific connected mode of each part using bolt ripe in the prior art, rivet,
The conventional meanses such as welding, stickup, will not be described in detail herein.
Reference picture 1-5, one embodiment of the utility model include shell 1, set cored 2 in shell 1, iron core
2 outside is provided with low-voltage coil pour mass 3, and the outside of low-voltage coil pour mass 3 is provided with high-tension coil pour mass 4, low pressure
Insulating cylinder 5 is provided between coil pour mass 3 and high-tension coil pour mass 4, the upper end of the high-tension coil pour mass 4 is provided with
First servomotor 6, the lower end of high-tension coil pour mass 4 are provided with the second servomotor 7, and the first servomotor 6 and second are watched
Take and the first flabellum 8 and the second flabellum 9 are respectively arranged with motor 7, the diameter of the first flabellum 8 is less than low-voltage coil pour mass 3
External diameter, and more than the internal diameter of low-voltage coil pour mass 3, the diameter of the second flabellum 9 is more than the external diameter of high-tension coil pour mass 4；It is low
Several first axial passages 10 are provided with line ball circle pour mass 3, several first footpaths are provided with low-voltage coil pour mass 3
To passage 11, the spiral of the first radial passage 11 is set, and the first axial passage 10 and the first radial passage 11 are interconnected, high-voltage line
Several the second axial passages 12 are provided with circle pour mass 4, it is logical that several second radial directions are provided with high-tension coil pour mass 4
Road 13, the spiral of the second radial passage 13 are set, and the second axial passage 12 and the second radial passage 13 are interconnected, on insulating cylinder 5
It is provided with several radial direction through hole 14；Controller 15, the first radial passage 11, the and of the second radial passage 13 are provided with shell 1
Switch valve 16 is installed, low-voltage coil pour mass 3 and the inner side of high-tension coil pour mass 4 are respectively arranged with some on radial direction through hole 14
Individual temperature sensor 17, the control signal output of controller 15 is respectively with the first servomotor 6, the second servomotor 7 and opening
Close valve 16 to connect, the temperature signal input of controller 15 is connected with temperature sensor 17.It is provided with first axial passage 10
Several first baffles 18, the top of first baffle 18 are inclined upwardly setting, and first through hole 19 is provided with first baffle 18, and
Check valve 20,20 upward one-way conduction of check valve are provided with one through hole 19.First radial passage 11 and the first axial passage 10
Connecting interface be located at the connecting interface and first of the top of first baffle 18, the first radial passage 11 and the first axial passage 10
The spacing of the link position of the axial passage 10 of baffle plate 18 and first is 4cm.Several annulars are provided with first radial passage 11
Flange 21, cavity 22 is provided with annular flange 21, the bottom of annular flange 21 is provided through the first passage 23 of cavity 22,
The top of annular flange 21 is provided with the second passage 24 communicated with cavity 22, the first passage 23 and the second passage 24
The ratio between internal diameter is 7:1.The inwall of second axial passage 12 is provided with spiral stream guidance groove 25, and spiral stream guidance groove 25 and second is radially logical
Road 13 is connected.The inwall of second radial passage 13 is provided with spherical flange 26, the bottom of spherical flange 26 be provided with it is spherical
The diversion groove 27 that flange 26 is bonded.Radial direction through hole 14 and the Cross port of the first radial passage 11 and the second radial passage 13 are set
Put.
For the cooling control method of the cooling system of above-mentioned dry-type transformer, comprise the following steps：
A, after transformer is started working, the first servomotor 6 and the second servomotor 7 drive the first flabellum 8 and the second fan
9 upward air draft of leaf；
B, when temperature sensor 17 detects the switch that the temperature of low-voltage coil pour mass 3 raises, and closes on radial direction through hole 14
Valve 16；
C, when temperature sensor 17 detects the rise of the local temperature of low-voltage coil pour mass 3, the first radial direction of relevant position
Switch valve 16 in passage 11 is kept it turned on, and the switch valve 16 of the first radial passage 11 of remaining position is closed；
D, when temperature sensor 17 detects that the temperature of high-tension coil pour mass 4 raises, the first servomotor 6 rotates backward,
Make the 8 downward air draft of the first flabellum；
E, when temperature sensor 17 detects the rise of the local temperature of high-tension coil pour mass 4, the second radial direction of relevant position
The switch valve 16 of passage 13 is kept it turned on, and the switch valve 16 of the second radial passage 13 of remaining position is closed.
In step A, when the first flabellum 8 and the second 9 upward air draft of flabellum, the first servomotor 6 and the second servomotor 7
Power output and transformer mean temperature it is square directly proportional.In step D, when the first 8 downward air draft of flabellum, the second servo
The power output of motor 7 and transformer mean temperature it is square directly proportional, the power output of the first servomotor 6 is：
Wherein,For the power output of the first servomotor,For the power output of the second servomotor,For high-voltage line
The real-time mean temperature of pour mass is enclosed,For the average rated temperature of high-tension coil pour mass.
The utility model radiator structure can be adjusted flexibly according to the operating mode of transformer, have targetedly
Radiating.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (7)
1. a kind of cooling system of dry-type transformer, including shell（1）, shell（1）Interior setting is cored（2）, iron core（2）It is outer
Side is provided with low-voltage coil pour mass（3）, low-voltage coil pour mass（3）Outside be provided with high-tension coil pour mass（4）, low pressure
Coil pour mass（3）With high-tension coil pour mass（4）Between be provided with insulating cylinder（5）, it is characterised in that：The high-tension coil pours
Injection body（4）Upper end be provided with the first servomotor（6）, high-tension coil pour mass（4）Lower end be provided with the second servomotor
（7）, the first servomotor（6）With the second servomotor（7）On be respectively arranged with the first flabellum（8）With the second flabellum（9）, first
Flabellum（8）Diameter be less than low-voltage coil pour mass（3）External diameter, and be more than low-voltage coil pour mass（3）Internal diameter, second fan
Leaf（9）Diameter be more than high-tension coil pour mass（4）External diameter；Low-voltage coil pour mass（3）Inside it is provided with several first axles
To passage（10）, low-voltage coil pour mass（3）Inside it is provided with several the first radial passages（11）, the first radial passage（11）Spiral shell
Rotation is set, the first axial passage（10）With the first radial passage（11）It is interconnected, high-tension coil pour mass（4）If inside it is provided with
Dry the second axial passage（12）, high-tension coil pour mass（4）Inside it is provided with several the second radial passages（13）, second radially
Passage（13）Spiral is set, the second axial passage（12）With the second radial passage（13）It is interconnected, insulating cylinder（5）On be provided with
Several radial direction through hole（14）；Shell（1）Inside it is provided with controller（15）, the first radial passage（11）, the second radial passage
（13）And radial direction through hole（14）On switch valve is installed（16）, low-voltage coil pour mass（3）With high-tension coil pour mass（4）Inner side
It is respectively arranged with several temperature sensors（17）, controller（15）Control signal output respectively with the first servomotor
（6）, the second servomotor（7）And switch valve（16）Connection, controller（15）Temperature signal input and temperature sensor
（17）Connection.
2. the cooling system of dry-type transformer according to claim 1, it is characterised in that：First axial passage（10）
Inside it is provided with several first baffles（18）, first baffle（18）Top be inclined upwardly setting, first baffle（18）Upper setting
There is first through hole（19）, first through hole（19）Inside it is provided with check valve（20）, check valve（20）Upward one-way conduction.
3. the cooling system of dry-type transformer according to claim 2, it is characterised in that：First radial passage（11）
With the first axial passage（10）Connecting interface be located at first baffle（18）Top, the first radial passage（11）With first axially
Passage（10）Connecting interface and first baffle（18）With the first axial passage（10）The spacing of link position be 4~5cm.
4. the cooling system of dry-type transformer according to claim 1, it is characterised in that：First radial passage（11）
Inside it is provided with several annular flanges（21）, annular flange（21）Inside it is provided with cavity（22）, annular flange（21）Bottom is set
Have and run through cavity（22）The first passage（23）, annular flange（21）Top be provided with and cavity（22）Second communicated is logical
Stomata（24）, the first passage（23）With the second passage（24）The ratio between internal diameter be 7:1.
5. the cooling system of dry-type transformer according to claim 1, it is characterised in that：Second axial passage（12）
Inwall be provided with spiral stream guidance groove（25）, spiral stream guidance groove（25）With the second radial passage（13）It is connected.
6. the cooling system of dry-type transformer according to claim 5, it is characterised in that：Second radial passage（13）
Inwall be provided with spherical flange（26）, spherical flange（26）Bottom be provided with and spherical flange（26）The diversion groove of fitting
（27）.
7. the cooling system of dry-type transformer according to claim 1, it is characterised in that：The radial direction through hole（14）With
One radial passage（11）With the second radial passage（13）Cross port set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720635930.3U CN206947130U (en) | 2017-06-03 | 2017-06-03 | A kind of cooling system of dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720635930.3U CN206947130U (en) | 2017-06-03 | 2017-06-03 | A kind of cooling system of dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206947130U true CN206947130U (en) | 2018-01-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720635930.3U Expired - Fee Related CN206947130U (en) | 2017-06-03 | 2017-06-03 | A kind of cooling system of dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206947130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992064A (en) * | 2017-06-03 | 2017-07-28 | 关亚玲 | The cooling system and its cooling control method of a kind of dry-type transformer |
-
2017
- 2017-06-03 CN CN201720635930.3U patent/CN206947130U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992064A (en) * | 2017-06-03 | 2017-07-28 | 关亚玲 | The cooling system and its cooling control method of a kind of dry-type transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180130 Termination date: 20180603 |