CN202309482U - Explosion protection frequency converter and cooling device thereof - Google Patents
Explosion protection frequency converter and cooling device thereof Download PDFInfo
- Publication number
- CN202309482U CN202309482U CN 201120406012 CN201120406012U CN202309482U CN 202309482 U CN202309482 U CN 202309482U CN 201120406012 CN201120406012 CN 201120406012 CN 201120406012 U CN201120406012 U CN 201120406012U CN 202309482 U CN202309482 U CN 202309482U
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- China
- Prior art keywords
- frequency converter
- cooling device
- cooling
- explosion
- heat exchanger
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- Expired - Lifetime
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20536—Modifications to facilitate cooling, ventilating, or heating for racks or cabinets of standardised dimensions, e.g. electronic racks for aircraft or telecommunication equipment
- H05K7/20609—Air circulating in closed loop within cabinets wherein heat is removed through air-to-liquid heat-exchanger
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model provides an explosion protection frequency converter and a cooling device thereof. The cooling device comprises a fan and a gas-liquid heat exchange part, wherein the fan can be used for generating gas flowing along the first direction; the gas-liquid heat exchange part is positioned at one side of the fan along the first direction; a cooling pipe through which liquid passes, an input pipe and an output pipeline are arranged inside the gas-liquid heat exchange part; and the input pipeline and the output pipeline are respectively in sealed connection with two ends of a cooling pipe of the gas-liquid heat exchange part. Due to the adoption of the structure, gas becomes a cooling medium between the cooling device of the explosion protection frequency converter and a frequency converter to be cooled. The adjustment for the specific shapes of the frequency converter and parts of the frequency converter according to the cooling device for the explosion protection frequency converter, which is disclosed by the utility model, is not needed. The performances and the reliability of products are improved. The contradiction of insulating and conducting is solved. In addition, strict requirements such as purification, deionization and the like for a cooling liquid are not needed to be met.
Description
Technical field
The utility model relates to explosion-proof frequency converter, more particularly, relates to the cooling device of explosion-proof frequency converter.
Background technology
Low-pressure high-power explosion-proof frequency converter majority adopts heat-pipe radiators at present, utilizes the quick conductive characteristic of heat pipe, and directly the heat with power model spreads out of flameproof cabinet.But heat pipe heat radiation needs special heat-radiating substrate, and a side of substrate is used for the hot junction of slugging heat pipe, and opposite side is used for the installation power module, and substrate need be connected with the Flameproof box flange as the part of Flameproof box coaming plate.When therefore explosion-proof frequency converter being installed, need the frequency converter core be broken, change original-pack radiator, successively installation power module, DC master row, filter capacitor and master control trigger board on heat-radiating substrate.Receive the influence of heat-radiating substrate mounting structure and form, frequency converter core and prototype after the repacking there are differences, and often cause properties of product decline, reliability to reduce.Because the contradiction of insulation and heat conduction is difficult to solve, heat-pipe radiator only is applicable to the modular power component, inapplicable press pack formula (press-pack) power component; Heat-pipe radiator exists low fragile, the radiating fin of bigger, the overhanging heat pipe intensity of volume to adsorb dust easily and reduce shortcomings such as heat-conductive characteristic in addition, brings many troubles to utilization under the coal mine.
Water-filled radiator also has application at the above high-power explosion-proof frequency converter of 800kW; Majority is used for press pack formula power component; Therefore cooling fluid must possess strict demands such as pure, deionization; Must be in the internal circulation system that highly seals, also need dispose an outer circulation cooling device, be its supporting heat exchange; Change liquid, fluid infusion, disassembling pipe simultaneously and all require under isolation, to carry out, also must carry out deionization and handle.Middle and high pressure equipment careless slightlyly will cause electric leakage, short trouble, if also possibly cause serious accident.
The utility model content
To above-mentioned technical problem; The utility model provides a kind of cooling device that is used for explosion-proof frequency converter; Comprise: can produce along the blower fan of the mobile gas of first direction; Be positioned at the solution-air heat exchanger components of blower fan one side along first direction, input channel and output channel that its inside is provided with cooling water pipe that liquid passes through and is tightly connected respectively with the two ends of the cooling water pipe of solution-air heat exchanger components.Through adopting said structure, gas becomes the cooling media between explosion-proof frequency converter cooling device and the frequency converter to be cooled.Thus, the concrete shape of frequency converter and parts thereof need not to adjust according to the explosion-proof frequency converter cooling device of the utility model.Properties of product and reliability have been improved.Because the contradiction of insulation and heat conduction is able to solve its suitable press pack formula (press-pack) power component.Strict demands such as in addition, because gas is as the cooling media between explosion-proof frequency converter cooling device and the frequency converter to be cooled, that cooling fluid need not possess is pure, deionization; Change liquid, fluid infusion, disassembling pipe simultaneously and need not under isolation, to carry out, and need not to carry out deionization and handle; Pure, deionized cooling water and huge water-filled radiator, deionizer and inside and outside two cover circulating cooling systems thereof need be provided.
According to another aspect of the utility model, a kind of explosion-proof frequency converter that comprises above-mentioned cooling device is provided, it comprises: flameproof cabinet is positioned at the frequency converter of flameproof cabinet; Be positioned at flameproof cabinet and be arranged in the cooling device of frequency converter one side, form the heat exchange air flue between itself and the frequency converter.Through adopting said structure, gas becomes the cooling media between explosion-proof frequency converter cooling device and the frequency converter to be cooled.Thus, the concrete shape of frequency converter and parts thereof need not to adjust according to the explosion-proof frequency converter cooling device of the utility model.Properties of product and reliability have been improved.Because the contradiction of insulation and heat conduction is able to solve its suitable press pack formula (press-pack) power component.Strict demands such as in addition, because gas is as the cooling media between explosion-proof frequency converter cooling device and the frequency converter to be cooled, that cooling fluid need not possess is pure, deionization; Change liquid, fluid infusion, disassembling pipe simultaneously and need not under isolation, to carry out, and need not to carry out deionization and handle; Pure, deionized cooling water and huge water-filled radiator, deionizer and inside and outside two cover circulating cooling systems thereof need be provided.Radiator is built in flameproof cabinet, and is safe, long service life; Simple and compact for structure, volume is less, cost is lower.
Description of drawings
Fig. 1 illustrates the stereogram according to the explosion-proof frequency converter cooling device of an embodiment of the utility model;
Fig. 2 illustrates the air duct assembling relationship figure according to an embodiment of the utility model;
Fig. 3 illustrates the elevation according to the solution-air heat exchanger components 11 of an embodiment of the utility model;
Fig. 4 A and 4B illustrate cutaway view and the elevation according to the explosion-proof frequency converter of an embodiment of the utility model;
Explosion-proof frequency converter shown in Fig. 5 A is applicable to highly conditional situation; With
Fig. 5 B and 5C are the profile of Fig. 5 A.
Embodiment
Fig. 1 illustrates the stereogram according to the explosion-proof frequency converter cooling device of an embodiment of the utility model; As shown in Figure 1; Explosion-proof frequency converter cooling device 1 comprises the blower fan 10 that can produce along the mobile gas of first direction (direction shown in the arrow); Be positioned at the solution-air heat exchanger components 11 of blower fan one side along first direction; Its inside is provided with the cooling water pipe that liquid passes through, with the input channel 12 and output channel 13 that are connected respectively with the two ends of the cooling water pipe of solution-air heat exchanger components.According to the negative/positive pressure that blower fan for solution-air heat exchanger components 11 10 produces, solution-air heat exchanger components 11 can be arranged in along the inlet side/air side of first direction for blower fan 10.Fig. 1 illustrates solution-air heat exchanger components 11 and is arranged in along the inlet side of first direction for blower fan 10, and the negative pressure that blower fan 10 produces for solution-air heat exchanger components 11.If blower fan 10 is oppositely installed, 11 of solution-air heat exchanger components are arranged in along the air side of first direction for blower fan 10, and the malleation that blower fan 10 produces for solution-air heat exchanger components 11.Blower fan 10 forward or reverse no matter, solution-air heat exchanger components 11 all are arranged in for first direction the air channel for forward or negative sense.
Through adopting said structure, gas becomes the cooling media between explosion-proof frequency converter cooling device and the frequency converter to be cooled.Thus, the concrete shape of frequency converter and parts thereof need not to adjust according to the explosion-proof frequency converter cooling device of the utility model.Properties of product and reliability have been improved.Because the contradiction of insulation and heat conduction is able to solve its suitable press pack formula (press-pack) power component.Strict demands such as in addition, because gas is as the cooling media between explosion-proof frequency converter cooling device and the frequency converter to be cooled, that cooling fluid need not possess is pure, deionization; Change liquid, fluid infusion, disassembling pipe simultaneously and need not under isolation, to carry out, and need not to carry out deionization and handle; Pure, deionized cooling water and huge water-filled radiator, deionizer and inside and outside two cover circulating cooling systems thereof need be provided.
In order to improve air-cooled efficient, as shown in Figure 1, cooling device 1 also comprises the air duct 14 between blower fan 10 and solution-air heat exchanger components 11.One end of air duct 14 is connected with the shell seamless of blower fan 10, and the other end of air duct 14 is connected with shell seamless with solution-air heat exchanger components 11, thereby the air-flow that makes blower fan 10 produced flows through and solution-air heat exchanger components 11 basically.
Fig. 2 illustrates the air duct assembling relationship figure according to an embodiment of the utility model.Air duct 14 comprises air duct body 140, air duct first end 141 and air duct second end 142.When the shell of blower fan 10 was circle, air duct first end 141 was the circle of same size, so that seamless link with it.When the shell with solution-air heat exchanger components 11 was rectangle, air duct second end 142 was the rectangle of same size, so that seamless link with it.
Fig. 3 illustrates the elevation according to the solution-air heat exchanger components 11 of an embodiment of the utility model; Solution-air heat exchanger components 11 is the fixed tube sheet type structure.Solution-air heat exchanger components 11 comprises cooling fluid end cap 110a, 110b, tube sheet 111, cooling water pipe 112, fin 115, side board 113 and gasket seal 114 compositions.Cooling water pipe 112 adopts the interference method to be connected with two tube sheets 111, adds gasket seal 114 between cooling fluid end cap 110 and the tube sheet 111 and uses bolt 116 fastening companies respectively.
Cooling fluid end cap 110 is connected with output channel 13 with input channel 12, in establish the separatory gusset and will import liquid and separate with output liquid so that distinguish water inlet and go out water passage for cooling water pipe 112, formation backwater path.Therefore, cooling fluid is followed bad through input channel 12, cooling fluid end cap 110a, cooling water pipe 112, cooling fluid end cap 110b, cooling water pipe 112, cooling fluid end cap 110a and output channel 13, heat is taken out of.
Cooling water pipe 112 adopts double-decker; Form by two diameter differences, the round copper tube that fits tightly socket; Because two copper tubes are very little at the probability that stress corrosion or etching pit appear in same position; This structure can reduce the possibility of cooling fluid seepage, improves the reliability of cooling line greatly; Fin 115 is a bridged ring shape crevasse fin, arranges from the surperficial protruding of the cooling water pipe of solution-air heat exchanger components and along first direction X.Be provided with the disturbance cut at fin horizontal (Width of air cooler), fin both sides (on the airflow direction) design waveform initial disturbance structure, this type fin element heat-transfer capability is big, and air drag is little, and reliability is high, good looking appearance.
The cooling fluid that pressurization flows in the solution-air heat exchanger components flows in the pipe of cooling core group cooling water pipe, and forms the loop through the branch journey in the cooling fluid end cap at a distance from rib; Flow into the air channel that the hot-air in the solution-air heat exchanger components constitutes through tube sheet 111 and side board 113, outside cooling water pipe 112 pipes, flow, the heat of air is collected by fin 115 and is passed to cooling fluid through cooling water pipe 112, takes heat out of aerial cooler by cooling fluid again.
Fig. 4 A and 4B illustrate cutaway view and the elevation according to the explosion-proof frequency converter of an embodiment of the utility model.Explosion-proof frequency converter comprises flameproof cabinet 40, the frequency converter 41 that is positioned at flameproof cabinet be positioned at flameproof cabinet and be arranged in the cooling device 1 of frequency converter 41 1 sides.Through adopting said structure, between cooling device and frequency converter, form the heat exchange air flue; Cooling device can provide airtight air channel, and near cooling device, forms complete negative pressure or malleation.Cooling device 1 carries out heat exchange and carries out heat exchange with output channel 13 through liquid and outside through the input channel 12 that stretches out flameproof cabinet through the gas in the flameproof cabinet with frequency converter 41.
Explosion-proof frequency converter shown in Fig. 5 A is applicable to highly conditional situation, the placement form of frequency converter 41 and cooling device 1, and air-flow is directly blown over power device and is cooled off; The profile that Fig. 5 B and 5C dissect perpendicular to the blower fan direction of principal axis for Fig. 5 A edge, wherein cooling device shown in Fig. 5 B 1 adopts axial fan, and cooling device shown in Fig. 5 C 1 adopts centrifugal fan.Its common frequency converter 41 and cooling device 1 of being characterised in that is arranged in the circulation canal of refrigerating gas.
Through adopting said structure, gas becomes the cooling media between explosion-proof frequency converter cooling device and the frequency converter to be cooled.Thus, the concrete shape of frequency converter and parts thereof need not to adjust according to the explosion-proof frequency converter cooling device of the utility model.Properties of product and reliability have been improved.Because the contradiction of insulation and heat conduction is able to solve its suitable press pack formula (press-pack) power component.Strict demands such as in addition, because gas is as the cooling media between explosion-proof frequency converter cooling device and the frequency converter to be cooled, that cooling fluid need not possess is pure, deionization; Change liquid, fluid infusion, disassembling pipe simultaneously and need not under isolation, to carry out, and need not to carry out deionization and handle; Pure, deionized cooling water and huge water-filled radiator, deionizer and inside and outside two cover circulating cooling systems thereof need be provided.Radiator is built in flameproof cabinet, and is safe, long service life; Simple and compact for structure, volume is less, cost is lower.
Shown in Fig. 4 A and 4B, explosion-proof frequency converter 4 comprises that also the baffler 42 that is positioned at flameproof cabinet reduces windage loss, and it becomes 40 to 50 degree angles with first direction.
Though some preferred embodiment with reference to the utility model illustrates and has described the utility model; But it will be appreciated by those skilled in the art that; Under the situation of spirit that does not deviate from the utility model that limits appended claims and scope, can make various variations to it in form with on the details.
Claims (7)
1. cooling device that is used for explosion-proof frequency converter is characterized in that comprising:
Can produce along the blower fan of the mobile gas of first direction;
Be positioned at the solution-air heat exchanger components of blower fan one side along first direction, its inside is provided with the cooling water pipe that liquid passes through; With
The input channel and the output channel that are tightly connected respectively with the two ends of the cooling water pipe of solution-air heat exchanger components.
2. cooling device as claimed in claim 1 also comprises:
The air duct that is connected with solution-air heat exchanger components shell seamless with blower housing respectively.
3. cooling device as claimed in claim 1 also comprises:
From the surperficial protruding of the cooling water pipe of solution-air heat exchanger components and the fin of arranging along first direction.
4. cooling device as claimed in claim 3, wherein:
Fin is a perturbations along first direction.
5. cooling device as claimed in claim 1, wherein:
The cooling water pipe of solution-air heat exchanger components comprises:
First cooling water pipe of socket and second cooling water pipe each other.
6. one kind comprises the explosion-proof frequency converter like the said cooling device of one of claim 1 to 5, it is characterized in that comprising:
Flameproof cabinet;
Be positioned at the frequency converter of flameproof cabinet;
Be positioned at flameproof cabinet and be arranged in the cooling device of frequency converter one side, form the heat exchange air flue between itself and the frequency converter.
7. explosion-proof frequency converter as claimed in claim 6 also comprises:
Be positioned at the baffler of flameproof cabinet, it becomes 40 to 50 degree angles with first direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120406012 CN202309482U (en) | 2011-10-18 | 2011-10-18 | Explosion protection frequency converter and cooling device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120406012 CN202309482U (en) | 2011-10-18 | 2011-10-18 | Explosion protection frequency converter and cooling device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202309482U true CN202309482U (en) | 2012-07-04 |
Family
ID=46378293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120406012 Expired - Lifetime CN202309482U (en) | 2011-10-18 | 2011-10-18 | Explosion protection frequency converter and cooling device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202309482U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066802A (en) * | 2011-10-18 | 2013-04-24 | Abb技术有限公司 | Anti-explosion frequency converter and cooling device thereof |
| CN107665762A (en) * | 2017-09-30 | 2018-02-06 | 盐城市宇能电气有限公司 | A kind of mine anti-explosion device for transformer |
| CN114017269A (en) * | 2021-10-25 | 2022-02-08 | 华能沂水风力发电有限公司 | Cooling device for counter-current circulating type wind driven generator frequency converter |
-
2011
- 2011-10-18 CN CN 201120406012 patent/CN202309482U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066802A (en) * | 2011-10-18 | 2013-04-24 | Abb技术有限公司 | Anti-explosion frequency converter and cooling device thereof |
| CN107665762A (en) * | 2017-09-30 | 2018-02-06 | 盐城市宇能电气有限公司 | A kind of mine anti-explosion device for transformer |
| CN114017269A (en) * | 2021-10-25 | 2022-02-08 | 华能沂水风力发电有限公司 | Cooling device for counter-current circulating type wind driven generator frequency converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Zhihe Inventor after: Mao Hui Inventor after: Dai Jingjing Inventor after: Zhu Jihao Inventor before: Jiang Zhihe Inventor before: Mao Hui Inventor before: Dai Jingjing Inventor before: Zhu Jihao |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180531 Address after: Baden, Switzerland Patentee after: ABB TECHNOLOGY LTD. Address before: Zurich Patentee before: ABB T & D Technology Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |