CN107039979A - A kind of APF modules with natural heat dissipation ability - Google Patents

A kind of APF modules with natural heat dissipation ability Download PDF

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Publication number
CN107039979A
CN107039979A CN201710298262.4A CN201710298262A CN107039979A CN 107039979 A CN107039979 A CN 107039979A CN 201710298262 A CN201710298262 A CN 201710298262A CN 107039979 A CN107039979 A CN 107039979A
Authority
CN
China
Prior art keywords
cabinet
natural cooling
apf
cooling ability
apf modules
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710298262.4A
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Chinese (zh)
Inventor
吴国兵
谭宇科
蔡晓燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Kaineng Electric Industry Coltd
Original Assignee
Guangzhou Kaineng Electric Industry Coltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Kaineng Electric Industry Coltd filed Critical Guangzhou Kaineng Electric Industry Coltd
Priority to CN201710298262.4A priority Critical patent/CN107039979A/en
Publication of CN107039979A publication Critical patent/CN107039979A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/01Arrangements for reducing harmonics or ripples
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/003Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/209Heat transfer by conduction from internal heat source to heat radiating structure
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/20Active power filtering [APF]

Abstract

The present invention provides a kind of APF modules with natural heat dissipation ability, including cabinet, inversion unit, filter unit and control unit, the cabinet is manufactured using Heat Conduction Material and outer surface is provided with fin, and the inversion unit bottom is provided with heat-conducting layer, and is close to the cabinet inner surface fixed installation.The APF modules are radiated without using cooling blower etc., without ventilation, cabinet can be closed, reduces external dust and environmental pollution, is radiated by natural way, reduce heat dissipating mass and space, the volume and weight of APF modules is alleviated, makes that the structure of device is compacter, outward appearance is more compact and flexible, service life of equipment is improved, manual maintenance workload is reduced.

Description

A kind of APF modules with natural heat dissipation ability
Technical field
The present invention relates to active power filtering(APF)Building block technique field, more particularly to it is a kind of with natural heat dissipation ability APF modules.
Background technology
In recent decades, developing rapidly with Power Electronic Technique, high-power switch device is in modern industry and daily It is widely used in life, such as:Electronic power conversion device, electric arc furnaces etc..So that line voltage and current waveform production Serious distortion has been given birth to, to substantial amounts of higher hamonic wave is filled with utility network, has caused the quality of power supply constantly to decline, has a strong impact on The normal operation of electrical equipment, as caused by harmonic pollution various failures and accident also constantly occur.Therefore, power system is humorous The seriousness of ripple harm causes the great attention of people.Either from the point of view of ensureing that power system is normally run, still In terms of the normal work angle of user power utilization equipment, harmonic wave is effectively administered, harmonic content is limited within allowed band, is given Power network builds a good electric circumstance, i.e. " green network ", improves the quality of power supply and has become present electric power and grinds Studying carefully field must solve and the problem of primary study.Therefore, it is necessary to take effective measures to suppress their influence.
Traditional active power filtering(APF)Module generally uses the radiating mode of forced air cooling, such as Chinese patent It is exactly to be dried and radiated by air flow using cooling blower mode in ZL201520536488.X.But, dissipated using this Hot mode, during fan high-speed rotation, can produce larger noise, and the work and life on people around bring certain influence;Separately Outside, in fan rotation process is total, due to needing ventilation, outside dust can enter fan and module cabinet inside therewith, and It is attached on the Air Filter of air outlet, after long-play, because fan and Air Filter are covered with dust all over, can gradually influences fan Radiating efficiency;Dust or foreign matter enter after module cabinet inside simultaneously, also can be to sensitive components, and such as IGBT pin can Impacted by property, reduce the service life of whole module.
The content of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of APF modules with natural cooling ability, the mould Block need not be by way of installing radiator fan or cooling blower, but by the larger component of caloric value, such as switching device IGBT, the cabinet inner surface that heat-conducting layer is set in its bottom and is close to be made by Heat Conduction Material is installed so that the component Produced heat can be conducted to shell by cabinet, recycle the fin on casing to be radiated, meanwhile, because To be not required to ventilation and heat, cabinet can be at sealing state.
To achieve the above object, the present invention is adopted the following technical scheme that:
A kind of APF modules with natural cooling ability, including cabinet, inversion unit, filter unit and control unit, its feature It is:The cabinet outer surface is provided with fin, and the inversion unit bottom is provided with heat-conducting layer, and is close to the cabinet inner surface It is fixedly mounted.
Further, the cabinet includes upper lid and lower cover, and upper and lower cover is detachably fixed connection, and the two is combined into entirely Casing, centre is provided with seal, and upper and lower cover body inner surface can carry out smooth processing.Waterproof is additionally provided with outside the cabinet to connect Head, waterproof air pressure double-beat drop valve, waterproof indicator light, aviation socket etc..The cabinet can also be manufactured with Heat Conduction Material.
Preferably, the inversion unit includes convertor unit, and the convertor unit structure is identical, be installed in aluminium base or On copper base front surface, the aluminium base or copper-based back uniformly smear Heat Conduction Material, and are close to the inner surface of the cabinet It is fixedly mounted.
Preferably, the filter unit uses dosing technology, by filter unit embedding in rectangle aluminium box, and is close to institute State the fixed installation of cabinet inner surface.
Further, the APF modules with natural cooling ability, can also include filter resistance, the filter resistance The upper interior surface for being close to the cabinet is installed.
Further, the APF modules with natural cooling ability, can also include pre-charge resistance, the precharge Install on the lower interior surface top that resistance is close to the cabinet.
Compared with prior art, the beneficial effects of the invention are as follows:
1st, natural heat dissipation mode is employed, in the premise for ensureing effectively to radiate to the switch electric components of big caloric value Under, it is to avoid APF modules are radiated using fan or cooling blower etc., heat dissipating mass and space is not only reduced, also subtracts The volume and weight of light APF modules, makes that the structure of device is compacter, and outward appearance is more compact and flexible.In addition, cabinet can be taken Seal Design, makes APF inside modules components be in sealing state, it is to avoid the entrance of dust and other impurities, it is adaptable to field ring Border.
2nd, using the radiating mode of natural cooling, fan air blast cooling is eliminated, when APF modules are run, noise is small, improved The service life of equipment, the workload of manual maintenance greatly reduces.
Brief description of the drawings
Fig. 1 is the casing surface structure stereogram of the APF modules with natural cooling ability of the present invention.
Fig. 2 is the casing surface structure upward view of the APF modules with natural cooling ability of the present invention.
Fig. 3 is the box inner structure figure of the APF modules with natural cooling ability of the present invention.
1-cast aluminium cabinet, 2-fin, 3-water joint, 4-waterproof air pressure double-beat drop valve, 5-waterproof indicator light, 6- Water-proof connector, 7-IGBT inverter bridge units, 8-filter inductance unit, 9-filter resistance, 10-pre-charge resistance, 11- Upper lid, 12-lower cover, 13-bolt, 14-U-shaped groove.
Embodiment
In order to illustrate more clearly of technical scheme, below in conjunction with accompanying drawing, the present invention is specifically described. But the implementation of the present invention is not limited to this.
Embodiment 1:
1 and accompanying drawing 3, a kind of APF modules with natural cooling ability, including cast aluminium cabinet 1, three IGBT inversions referring to the drawings Bridge unit 7, filter inductance unit 8, three filter resistances 9 and three pre-charge resistances 10, and control unit.The aluminium casting machine Case 1 is covered by upper and lower two parts and formed, and inner surface passes through the flat PROCESS FOR TREATMENT of milling, and the trip edge of cabinet upper and lower cover is provided with U-shaped Groove 14, groove is embedded in sealing rubber strip and surrounds casing one week.The side of casing upper and lower cover four is fastened by eight bolts 13, it is ensured that The smooth engagement of contact surface, presses the sealing rubber strip in groove, reaches dustproof and waterproof effect.
The structure of three IGBT inverter bridges unit 7 is identical, and aluminium base technique is used respectively, i.e., big by caloric value Switching device IGBT, clamp diode and corresponding protection circuit are welded on aluminium base front surface, and aluminium base back is uniform Heat Conduction Material is smeared, heat-conducting layer is formed, is then close to be fixedly mounted in the middle part of the inner surface of lower cover 12 of the cast aluminium cabinet 1.It is described Filter inductance unit 8 using dosing technology handle, by filter inductance with the embedding of epoxide resin type casting glue in rectangle aluminium box, The inner surface top of upper lid 11 that the rectangle aluminium box is close to the cast aluminium cabinet 1 is fixedly mounted.Three filter resistances 9 are tight Paste and installed in the middle part of the inner surface of upper lid 11 of the cast aluminium cabinet 1.Three pre-charge resistances 10 are close to the cast aluminium cabinet 1 Install on the inner surface top of lower cover 12.
Referring to the drawings 2, the cast aluminium cabinet 1 includes fin 2, and water joint 3, waterproof air pressure double-beat drop valve 4, waterproof is indicated Lamp 5 and aviation socket 6.The fin 2 is located at upper lid 11 and the surface of lower cover 12 of the cast aluminium cabinet 1, the water joint 3, waterproof air pressure double-beat drop valve 4, waterproof indicator light 5 and water-proof connector 6 are located at the bottom of lower cover 12 of cast aluminium cabinet 1.
When APF modules are run, the heat that three work of IGBT inverter bridges unit 7 is produced is conducted to casting by aluminium base The inner surface of aluminium cabinet 1, further conducts heat to the fin 2 of its outer surface by the lower cover 12 of cast aluminium cabinet 1, and passes through Outside air flow takes away heat.The heat that the filter inductance unit 8 is produced is passed heat by the upper lid 11 of cast aluminium cabinet 1 The fin 2 of its outer surface is directed at, and heat is taken away by outside air flow.The heat that three filter resistances 9 are produced Amount conducts heat to the fin 2 of its outer surface by the upper lid 11 of cast aluminium cabinet 1, and takes away heat by outside air flow Amount.The heat that three pre-charge resistances 10 are produced conducts heat to dissipating for its outer surface by the lower cover 12 of cast aluminium cabinet 1 Backing 2, and heat is taken away by outside air flow.
The water joint 3 and aviation socket 6 are respectively used to APF inside modules and outside major loop and control loop line The connection on road;The waterproof air pressure double-beat drop valve 4 is used for the air pressure balance for ensureing APF inside modules, makes the aluminium casting machine of module-external Case 1 will not be deformed because of the imbalance of inner and outer air pressure;The waterproof indicator light is used for the finger of APF inside modules running statuses Show.
The APF modules, can be effectively to derailing switches such as IGBT because three inverter bridge units employ aluminium base technique Part is radiated, it is to avoid use aluminium radiator, can reduce heat dissipating mass and space, mitigates the volume and weight of APF modules, Make that the structure of device is compacter, outward appearance is more compact and flexible.The radiating mode of natural cooling is carried out using cast aluminium cabinet, is cancelled Fan, when module is run, noise is small, it is to avoid the entrance of dust, improves the service life of equipment, the work of manual maintenance Amount greatly reduces.
Technical concept, principle and the feature of above-described embodiment only to illustrate the invention, its object is to allow be familiar with this skill The people of art can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to this Equivalent transformation or modification that the Spirit Essence of invention main technical schemes is done, should all cover protection scope of the present invention it It is interior.

Claims (10)

1. a kind of APF modules with natural cooling ability, including cabinet, inversion unit, filter unit and control unit, it is special Levy and be:The cabinet outer surface is provided with fin, and the inversion unit bottom is provided with heat-conducting layer, and is close to table in the cabinet Face is fixedly mounted.
2. the APF modules according to claim 1 with natural cooling ability, it is characterised in that:The cabinet includes upper Lid and lower cover, upper and lower cover are detachably fixed connection, and centre is provided with seal.
3. the APF modules according to claim 2 with natural cooling ability, it is characterised in that:The cabinet is provided with anti- Water swivel, waterproof air pressure double-beat drop valve, waterproof indicator light.
4. the APF modules with natural cooling ability according to any one of claims 1 to 3, it is characterised in that:The machine Case is additionally provided with water-proof connector.
5. the APF modules with natural cooling ability according to any one of Claims 1 to 4, it is characterised in that:The machine The inner surface of case is handled by surfacing.
6. the APF modules with natural cooling ability according to any one of Claims 1 to 5, it is characterised in that:The machine Case is manufactured using Heat Conduction Material.
7. the APF modules with natural cooling ability according to any one of claim 1~6, it is characterised in that:It is described inverse Becoming unit includes some convertor units, and the convertor unit structure is identical, is installed on aluminium base or copper base front surface, institute State aluminium base or copper-based back uniformly smears Heat Conduction Material, and be close to the inner surface of the cabinet and be fixedly mounted.
8. according to the APF modules according to any one of claims 1 to 7 with natural cooling ability, it is characterised in that:It is described Filter unit embedding is close to the cabinet inner surface fixed installation in rectangle aluminium box.
9. the APF modules with natural cooling ability according to any one of claim 1~8, it is characterised in that:Also Including filter resistance, the filter resistance is close to the cabinet inner surface and installed.
10. according to the APF modules according to any one of claims 1 to 9 with natural cooling ability, it is characterised in that:Also Including pre-charge resistance, the pre-charge resistance is close to the cabinet inner surface and installed.
CN201710298262.4A 2017-04-30 2017-04-30 A kind of APF modules with natural heat dissipation ability Pending CN107039979A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710298262.4A CN107039979A (en) 2017-04-30 2017-04-30 A kind of APF modules with natural heat dissipation ability

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Application Number Priority Date Filing Date Title
CN201710298262.4A CN107039979A (en) 2017-04-30 2017-04-30 A kind of APF modules with natural heat dissipation ability

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108551753A (en) * 2018-06-19 2018-09-18 广州开能电气实业有限公司 A kind of totally-enclosed Power Quality Comprehensive Treatment Device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201464967U (en) * 2009-06-26 2010-05-12 上海华北科技有限公司 Compact fanless industrial computer mainframe
CN201781407U (en) * 2010-07-30 2011-03-30 中国北车股份有限公司大连电力牵引研发中心 Case of converter controller
CN204835902U (en) * 2015-08-30 2015-12-02 深圳市鼎硕同邦科技有限公司 Natural cooling formula communication base station power supply system
CN205912062U (en) * 2016-07-13 2017-01-25 无锡路通视信网络股份有限公司 Open -air optical network twine platform
CN206850429U (en) * 2017-04-30 2018-01-05 广州开能电气实业有限公司 A kind of APF modules with natural heat dissipation ability

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201464967U (en) * 2009-06-26 2010-05-12 上海华北科技有限公司 Compact fanless industrial computer mainframe
CN201781407U (en) * 2010-07-30 2011-03-30 中国北车股份有限公司大连电力牵引研发中心 Case of converter controller
CN204835902U (en) * 2015-08-30 2015-12-02 深圳市鼎硕同邦科技有限公司 Natural cooling formula communication base station power supply system
CN205912062U (en) * 2016-07-13 2017-01-25 无锡路通视信网络股份有限公司 Open -air optical network twine platform
CN206850429U (en) * 2017-04-30 2018-01-05 广州开能电气实业有限公司 A kind of APF modules with natural heat dissipation ability

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108551753A (en) * 2018-06-19 2018-09-18 广州开能电气实业有限公司 A kind of totally-enclosed Power Quality Comprehensive Treatment Device

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Application publication date: 20170811