CN206023565U - A kind of current transformer cooling system - Google Patents
A kind of current transformer cooling system Download PDFInfo
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- CN206023565U CN206023565U CN201621044321.2U CN201621044321U CN206023565U CN 206023565 U CN206023565 U CN 206023565U CN 201621044321 U CN201621044321 U CN 201621044321U CN 206023565 U CN206023565 U CN 206023565U
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- house steward
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- current transformer
- cooling system
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Abstract
The utility model is related to technical field of heat dissipation, discloses a kind of current transformer cooling system.The current transformer cooling system includes at least 2 the unit cabinets being interconnected, heat exchanger, circulating fan, coolant feed liquor house steward, coolant go out liquid house steward and water-supply-pipes；, located at the bottom of unit cabinet, the coolant go out liquid house steward is located at the top of unit cabinet for the coolant feed liquor house steward；The circulating fan and heat exchanger are respectively arranged on the sidewall paneling of adjacent cells cabinet；The power model of current transformer is connected with coolant feed liquor house steward and coolant go out liquid house steward by water-supply-pipe respectively with the heat exchanger.Current transformer cooling system is made up of multiple unit cabinets and forms a systemic circulation, and after temperature stabilization, each unit in-cabinet temperature is basically identical with humidity, effectively prevent dew condensation phenomenon.Internal heat exchanger and circulating fan is all arranged on the sidewall paneling of unit cabinet and unit cabinet stitching portion, is occupied little space, and the cost of material is low.
Description
Technical field
The utility model is related to technical field of heat dissipation, in particular it relates to a kind of current transformer cooling system.
Background technology
With the continuous development of Power Electronic Technique, converter topology is increasingly mature, in various industries (such as wind-powered electricity generation row
Industry, railway transportation equipment) it to be used widely, smaller volume, more Large Copacity, more multi-functional demand obtain more passes of client
Note, thing followed heat dissipation problem also put with design in face of, therefore for little space, jumbo current transformer, how to set
Just seem extremely important in respect of effect, simple, reliable cooling system.
Now with the fast development of radiating correlation technique, the application that is radiated using liquid cooling mode is increasingly popularized,
For high-power converter is especially prominent, and the heating of different power cell has different, and the cooling medium consumption of demand is also just different,
How reduce, while cooling medium consumption, the requirement wanted by cooling medium correlation needed for good power cell of distribution according to need
(total flow, medium temperature, medium composition etc.), is whether inspection cooling system for converter is successfully crucial.
The main liquid refrigeration technique of current transformer is the heat for taking away heater members in single cabinet by wind circulation at present, afterwards by interior
The heat exchange effect of portion's heat exchanger, transfers heat to liquid cooling system, and whole cabinet, heat changing through external heat exchanger are taken in unification out of
Heat effect, is scattered in air, and the coolant for releasing heat is again introduced into whole cabinet circulation, endlessly maintains the device of whole cabinet
Radiating.
There is following shortcoming in current transformer liquid cooling heat radiation system at present：1st, current transformer wind circulation is circulated for single cabinet, each
Single cabinet needs a set of empty water heat-exchanger rig, and equipment volume is big, high cost；2nd, the temperature, humidity after stablizing in each single cabinet is inconsistent,
Easily there is dew condensation phenomenon；3rd, whole cooling system inner flexible tube does not have dividing for size, causes flexible pipe high cost, and each branch road of coolant
Unreasonable distribution, causes to waste；4th, to pass in and out total interface layout unreasonable for coolant, has that coolant drain is not net to ask during maintenance
Topic.
Content of the invention
The technical problem that the utility model is solved is the defect for overcoming prior art, there is provided a kind of little space, big of solving
Capacity current transformer when running can effectively, simply, the current transformer cooling system of secure heat dissipation.
The utility model purpose is achieved through the following technical solutions：
A kind of current transformer cooling system, including at least 2 unit cabinets being interconnected, heat exchanger, circulating fan, cold
But liquid feed liquor house steward, coolant go out liquid house steward and water-supply-pipe；The coolant feed liquor house steward is located at the bottom of unit cabinet, described
Coolant go out liquid house steward is located at the top of unit cabinet；The circulating fan and heat exchanger are respectively arranged at adjacent cells cabinet
Sidewall paneling on；The power model of current transformer and the heat exchanger are respectively by water-supply-pipe and coolant feed liquor house steward and cooling
Liquid go out liquid house steward is connected.
Current transformer of the present utility model is made up of multiple unit cabinets, forms a systemic circulation, temperature in converter cabinet body
After stable, each unit in-cabinet temperature is basically identical with humidity, effectively prevent dew condensation phenomenon.Internal heat exchanger and circulated air
Machine is all arranged on the sidewall paneling of unit cabinet and unit cabinet stitching portion, is occupied little space, and the cost of material is low.The total feed tube of coolant
Whole cabinet bottom is arranged on, coolant main drain pipe is arranged from bottom to top in whole cabinet topmost, all pipelines, beneficial to device in whole cabinet
When part is safeguarded, cooling medium is emptied from tapping valve, it is to avoid is remained excessive cooling medium in system and is splashed to device surface.
Further, power model is provided with hollow heat sink, and electronic devices and components are arranged on heat sink；The heat sink
It is connected with water-supply-pipe, cooling water is passed through in heat sink.The power model includes IGBT module, copped wave resistor assembly etc..Work(
Rate device is connected with heat sink, and there is efficient cooling effect by the cold mode of liquid.
Further, pipe of the caliber of the water-supply-pipe that connects with power model more than the water-supply-pipe being connected with heat exchanger
Footpath.Current transformer cooling system accomplishes each branch road cooling according to each heat-sink unit demand from the water-supply-pipe and joint of different tube diameters
Flow quantity can meet requirement, and coolant gross demand is minimized, and greatly reduces the cost of liquid cooling heat radiation system.
Further, the water-supply-pipe is provided with valve, so as to independent control flow.Preferably, valve is magnetic valve, with
Controller connects.
In order to ensure the flow of each road water-supply-pipe respectively rationally uniform, further, the coolant feed liquor house steward and cold
But liquid go out liquid house steward is provided with more than or equal to 2 delivery ports, is connected with single delivery port per road water-supply-pipe.
Further, coolant feed liquor house steward and coolant go out liquid house steward are respectively equipped with master in one end of unit cabinet external body
Pipe valve.When the installation of main line valve ensure that the whole cabinet of current transformer is overhauled, whole cabinet liquid cooling heat radiation system and external system
Keep apart, it is ensured that outside cooling system will not be produced during maintenance affects or affected by outside cooling system.
Further, coolant go out liquid house steward is additionally provided with air bleeding valve in one end of unit cabinet external body.Air bleeding valve is located at master
The inner side of pipe valve.Air bleeding valve positioned at the extreme higher position of cooling system, effectively can be removed whole outside cabinet
Air in liquid cooling system, effectively ensures the radiating efficiency of liquid cooling heat radiation system.
Further, coolant feed liquor house steward is additionally provided with tapping valve in one end of unit cabinet external body.Tapping valve is located at master
The inner side of pipe valve.
In order to strengthen the air circulation in converter cabinet body, further, the heat exchanger is provided with auxiliary circulation wind
Machine.Preferably, auxiliary circulation blower fan is set on a heat exchanger, is used in series using two fans.
Further, first module cabinet, second unit cabinet and the 3rd unit cabinet including being interconnected successively, institute
State coolant feed liquor house steward, coolant go out liquid house steward to be arranged in first module cabinet, it is single that the circulating fan is arranged at first
The first side wall plate top of first cabinet and second unit cabinet junction, wind direction is towards in first module cabinet；Under the first side wall plate
Portion is provided with heat exchanger；Upper and lower difference in the second sidewall plate of second unit cabinet and the 3rd unit cabinet junction
It is provided with heat exchanger.
Current transformer is applied in combination using 3 unit cabinets, the installation position of heat exchanger and circulating fan in cabinet and
Direction so that form the heat-exchange system of hot-air and coolant adverse current in current transformer, radiating efficiency is greatly improved.Preferably,
Dividing plate is provided with second unit cabinet.
Further, the heat exchanger of the bottom of the second sidewall plate is provided with accessory fan.Accessory fan is arranged on
Heat exchanger effectiveness is improve on heat exchanger, while positioned at the diagonal of circulating fan, can maximum effect performance air circulation purpose.
Compared with prior art, the utility model has the advantages that：
Current transformer of the present utility model is made up of multiple unit cabinets, forms a systemic circulation in converter cabinet body, and temperature is steady
After fixed, each unit in-cabinet temperature is basically identical with humidity, effectively prevent dew condensation phenomenon.
Internal heat exchanger and circulating fan is all arranged on the sidewall paneling of unit cabinet and unit cabinet stitching portion, is taken empty
Between few, the cost of material is low.
The total water influent pipeline of coolant is arranged on whole cabinet bottom, and coolant main drain pipe road is in whole cabinet topmost, Suo Youguan
Arrange that, when safeguarding beneficial to device in whole cabinet, cooling medium is emptied from tapping valve from bottom to top in road, it is to avoid residual is excessive in system
Cooling medium and be splashed to device surface.
Air bleeding valve positioned at the extreme higher position of cooling system, can effectively remove the cold system of whole liquid outside cabinet
Air in system, effectively ensures the radiating efficiency of liquid cooling heat radiation system.
Description of the drawings
Structural representations of the Fig. 1 for current transformer cooling system；
Fig. 2 is the wind circulation schematic diagram in converter cabinet.
Specific embodiment
The utility model is further described with reference to specific embodiment.Wherein, being for illustration only property of accompanying drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, it is impossible to be interpreted as the restriction to this patent；In order to this reality is better described
With new embodiment, accompanying drawing some parts have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, some known features and its explanation in accompanying drawing may be omitted and be will be understood by.
Embodiment 1
As shown in Fig. 1～2, a kind of current transformer cooling system, including 3 unit cabinets being interconnected (i.e. first module
Cabinet 100, second unit cabinet 200 and the 3rd unit cabinet 300), heat exchanger 1, circulating fan 2, coolant feed liquor house steward
11st, the water-supply-pipe 8 of the water-supply-pipe 3, Large Diameter Pipeline of coolant go out liquid house steward 7 and pipe with small pipe diameter.Coolant feed liquor house steward 11 is located at unit
The bottom of cabinet, coolant go out liquid house steward 7 is located at the top of unit cabinet.Circulating fan 2 and heat exchanger 1 are respectively arranged at phase
On the sidewall paneling of adjacent unit cabinet.
The power model 9 and heat exchanger 1 of current transformer respectively by pipe with small pipe diameter water-supply-pipe 3 or Large Diameter Pipeline water-supply-pipe 8 with cold
But liquid feed liquor house steward 11 is connected with coolant go out liquid house steward 7.
Specifically, coolant feed liquor house steward 11, coolant go out liquid house steward 7 are arranged in first module cabinet, circulating fan 2
The first side wall plate top of 200 junction of first module cabinet 100 and second unit cabinet is arranged at, wind direction is towards first module cabinet
In body 100.The first side wall plate bottom is provided with heat exchanger 1.In 300 junction of second unit cabinet 200 and the 3rd unit cabinet
The upper and lower of second sidewall plate be respectively equipped with heat exchanger 1.
Current transformer is applied in combination using 3 unit cabinets, the installation position of heat exchanger 1 and circulating fan 2 in cabinet and
Direction so that form the heat-exchange system of hot-air and coolant adverse current in current transformer, radiating efficiency is greatly improved.Second unit
Dividing plate is provided with cabinet 200.
Current transformer is made up of 3 unit cabinets, forms a systemic circulation, each unit cabinet after temperature stabilization in converter cabinet body
Interior temperature is basically identical with humidity, effectively prevent dew condensation phenomenon.Internal heat exchanger and circulating fan is all arranged on unit
On the sidewall paneling of cabinet and unit cabinet stitching portion, occupy little space, the cost of material is low.The total feed tube 11 of coolant is arranged on whole cabinet most
Lower section, 7 tunnel of coolant main drain pipe are arranged from bottom to top in whole cabinet topmost, all pipelines, when safeguarding beneficial to device in whole cabinet,
Cooling medium is emptied from tapping valve, it is to avoid is remained excessive cooling medium in system and is splashed to device surface.
Power model 9 is provided with hollow heat sink, and electronic devices and components are arranged on heat sink.Heat sink and Large Diameter Pipeline water delivery
Pipe 8 connects, and cooling water is passed through in heat sink.Power model 9 includes IGBT module, copped wave resistor assembly etc..Power device 9 with
Heat sink connects, and there is efficient cooling effect by the cold mode of liquid.Heat sink is provided with group with 8 junction of Large Diameter Pipeline water-supply-pipe
The combination of Heshui road looks into 10 soon.
Caliber of the caliber of the water-supply-pipe that connects with power model more than the water-supply-pipe being connected with heat exchanger.Current transformer dissipates
Hot systems accomplish that each branch road coolant rate can according to each heat-sink unit demand from the water-supply-pipe and joint of different tube diameters
Meet and require, and coolant gross demand is minimized, and greatly reduces the cost of liquid cooling heat radiation system.
The water-supply-pipe 8 of the water-supply-pipe 3 and/or Large Diameter Pipeline of pipe with small pipe diameter is provided with valve (not shown), so as to independent control stream
Amount.Valve is magnetic valve, is connected with controller.
In order to ensure the flow of each road water-supply-pipe respectively rationally uniform, coolant feed liquor house steward 11 and coolant go out liquid house steward
7 are provided with more than or equal to 2 delivery ports, are connected with single delivery port per road water-supply-pipe.
Coolant feed liquor house steward 11 and coolant go out liquid house steward 7 are respectively equipped with main line valve in one end of unit cabinet external body
Door 5.When the installation of main line valve 5 ensure that the whole cabinet of current transformer is overhauled, whole cabinet liquid cooling heat radiation system is isolated with external system
Open, it is ensured that outside cooling system will not be produced during maintenance affects or affected by outside cooling system.
Coolant go out liquid house steward 7 is additionally provided with air bleeding valve 6 in one end of unit cabinet external body.Air bleeding valve 6 is located at main line valve
The inner side of door 5.Air bleeding valve 6 positioned at the extreme higher position of cooling system, can effectively remove whole liquid cold outside cabinet
Air in system, effectively ensures the radiating efficiency of liquid cooling heat radiation system.
Coolant feed liquor house steward 11 is additionally provided with tapping valve 12 in one end of unit cabinet external body.Tapping valve 12 is located at main line
The inner side of valve 5.
In order to strengthen the air circulation in converter cabinet body, heat exchanger 1 is provided with auxiliary circulation blower fan 4.In a heat
Auxiliary circulation blower fan 4 is set on exchanger 1, is used in series using two fans.Specifically, the heat exchange of the bottom of second sidewall plate
Device 1 is provided with accessory fan 4.
The computing formula of the pressure loss is：
λ is resistance coefficient
L is length of pipe (m)
D is tubing internal diameter (m)
ν is flow rate of liquid (m/s)
ρ is fluid density (kg/m3)
ΔPrFor local pressure loss, relevant with version.
By formula as can be seen that pipeline is longer, the pressure loss is bigger；Caliber is less, and the pressure loss is bigger.
In this patent, heat exchanger 1 and power model 9 are inconsistent to cooling medium consumption demand, and each own pressure drag
Also inconsistent, coordinated by the pipeline and water swivel from different inner diameters, met each liquid-cooling heat radiation device traffic demand
Meanwhile, accomplish that cooling medium total flow is minimum, while reducing whole cabinet liquid cooling heat radiation system cost, the outside liquid-supplying system of reduction is wanted
Ask.By the way of whole cabinet inner air systemic circulation, whole cabinet inner air is driven to flow together, by non-liquid cooling heat radiator in whole cabinet
The heat of part is taken away, while accomplishing that whole in-cabinet temperature is minimized with humidity difference, efficiently avoid the generation of dew condensation phenomenon.Whole
In individual liquid cooling heat radiation system, bottom and most go up that coolant feed liquor house steward 11, coolant go out liquid house steward 7 are located in converter cabinet
End, when cooling medium is imported, inner air can be concentrated toward top, discharged by air bleeding valve 6, when cooling medium is discharged, in gravity
Under effect, cooling medium successfully can be discharged from tapping valve 12, and is seldom remained, and be easy to the maintenance of whole cabinet liquid cooling heat radiation system
With maintenance.
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.There is no need to give thoroughly to all of embodiment
Lift.All any modification, equivalent and improvement that is made within spirit of the present utility model and principle etc., should be included in this
Within the protection domain that utility model right is required.
Claims (10)
1. a kind of current transformer cooling system, it is characterised in that including at least 2 unit cabinets being interconnected, heat exchanger, follow
Ring blower fan, coolant feed liquor house steward, coolant go out liquid house steward and water-supply-pipe；The coolant feed liquor house steward is located at unit cabinet
Bottom, the coolant go out liquid house steward is located at the top of unit cabinet；The circulating fan and heat exchanger are respectively arranged at phase
On the sidewall paneling of adjacent unit cabinet；The power model of current transformer and the heat exchanger are respectively by water-supply-pipe and coolant feed liquor
House steward is connected with coolant go out liquid house steward.
2. current transformer cooling system according to claim 1, it is characterised in that power model is provided with hollow heat sink, electricity
Sub- components and parts are arranged on heat sink；The heat sink is connected with water-supply-pipe, and cooling water is passed through in heat sink.
3. current transformer cooling system according to claim 1, it is characterised in that the caliber of the water-supply-pipe that connects with power model
Caliber more than the water-supply-pipe being connected with heat exchanger.
4. current transformer cooling system according to claim 1, it is characterised in that the water-supply-pipe is provided with valve.
5. current transformer cooling system according to claim 1, it is characterised in that the coolant feed liquor house steward and coolant go out
Liquid house steward is provided with more than or equal to 2 delivery ports, is connected with single delivery port per road water-supply-pipe.
6. current transformer cooling system according to claim 1, it is characterised in that it is total that coolant feed liquor house steward and coolant go out liquid
Pipe is respectively equipped with main line valve in one end of unit cabinet external body.
7. current transformer cooling system according to claim 1, it is characterised in that coolant go out liquid house steward is in unit cabinet external body
One end be additionally provided with air bleeding valve.
8. current transformer cooling system according to claim 1, it is characterised in that the heat exchanger is provided with auxiliary circulation wind
Machine.
9. current transformer cooling system according to claim 1 ~ 8 any one, it is characterised in that including be interconnected successively
First module cabinet, second unit cabinet and the 3rd unit cabinet, the coolant feed liquor house steward, coolant go out liquid house steward are arranged
In first module cabinet, the circulating fan is arranged at the first side wall of first module cabinet and second unit cabinet junction
Plate top, wind direction is towards in first module cabinet；The first side wall plate bottom is provided with heat exchanger；Single in second unit cabinet and the 3rd
The upper and lower of the second sidewall plate of first cabinet junction is respectively equipped with heat exchanger.
10. current transformer cooling system according to claim 9, it is characterised in that the heat friendship of the bottom of the second sidewall plate
Parallel operation is provided with accessory fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621044321.2U CN206023565U (en) | 2016-09-08 | 2016-09-08 | A kind of current transformer cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621044321.2U CN206023565U (en) | 2016-09-08 | 2016-09-08 | A kind of current transformer cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN206023565U true CN206023565U (en) | 2017-03-15 |
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ID=58259264
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621044321.2U Active CN206023565U (en) | 2016-09-08 | 2016-09-08 | A kind of current transformer cooling system |
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| Country | Link |
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| CN (1) | CN206023565U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110662400A (en) * | 2019-09-29 | 2020-01-07 | 中车青岛四方车辆研究所有限公司 | Converter cooling system and converter cooling system control method |
| CN111182771A (en) * | 2020-01-20 | 2020-05-19 | 无锡赛思亿电气科技有限公司 | Heat dissipation system of high-power combined electrical cabinet and control method thereof |
| CN112533446A (en) * | 2020-11-27 | 2021-03-19 | 株洲中车时代电气股份有限公司 | Converter system and converter cooling water system thereof |
| CN112714591A (en) * | 2020-12-21 | 2021-04-27 | 中车永济电机有限公司 | U-shaped water-cooling circulating device for high-power electric locomotive converter |
-
2016
- 2016-09-08 CN CN201621044321.2U patent/CN206023565U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110662400A (en) * | 2019-09-29 | 2020-01-07 | 中车青岛四方车辆研究所有限公司 | Converter cooling system and converter cooling system control method |
| CN111182771A (en) * | 2020-01-20 | 2020-05-19 | 无锡赛思亿电气科技有限公司 | Heat dissipation system of high-power combined electrical cabinet and control method thereof |
| CN112533446A (en) * | 2020-11-27 | 2021-03-19 | 株洲中车时代电气股份有限公司 | Converter system and converter cooling water system thereof |
| CN112533446B (en) * | 2020-11-27 | 2022-08-02 | 株洲中车时代电气股份有限公司 | Converter system and converter cooling water system thereof |
| CN112714591A (en) * | 2020-12-21 | 2021-04-27 | 中车永济电机有限公司 | U-shaped water-cooling circulating device for high-power electric locomotive converter |
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