CN206850429U - A kind of APF modules with natural heat dissipation ability - Google Patents
A kind of APF modules with natural heat dissipation ability Download PDFInfo
- Publication number
- CN206850429U CN206850429U CN201720468595.2U CN201720468595U CN206850429U CN 206850429 U CN206850429 U CN 206850429U CN 201720468595 U CN201720468595 U CN 201720468595U CN 206850429 U CN206850429 U CN 206850429U
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- Prior art keywords
- cabinet
- heat dissipation
- natural heat
- dissipation ability
- apf
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/20—Active power filtering [APF]
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- Casings For Electric Apparatus (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model 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, the inversion unit bottom is provided with heat-conducting layer, and is close to the cabinet inner surface and is fixedly mounted.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, and outward appearance is more compact and flexible, service life of equipment is improved, reduces manual maintenance workload.
Description
Technical field
It the utility model is related to active power filtering（APF）Building block technique field, more particularly to one kind have natural heat dissipation
The APF modules of ability.
Background technology
In recent decades, with the rapid development of 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 power system normal operation is ensured, 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 have become present electric power and grind
Studying carefully field must solve the problems, such as and primary study.Therefore, it is necessary to take effective measures to suppress their influence.
Traditional active power filtering（APF）The radiating mode of module generally use forced air cooling, such as Chinese patent
It is exactly to be dried using cooling blower mode by air flow to radiate in ZL201520536488.X.But dissipated using this
Hot mode, during fan high-speed rotation, larger noise can be produced, the work and life on people around bring certain influence；Separately
Outside, in fan rotation process is total, due to needing to divulge information, 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；, also can be to sensitive components after dust or foreign matter enter module cabinet inside simultaneously, such as IGBT pin can
Impacted by property, reduce the service life of whole module.
The content of the invention
For overcome the deficiencies in the prior art, the utility model provides a kind of APF modules with natural cooling ability,
The module need not such as switch by way of installing radiator fan or cooling blower, but by the larger component of caloric value
Device IGBT, heat-conducting layer is set in its bottom and is close to be installed by the cabinet inner surface that Heat Conduction Material makes so that this yuan
Heat caused by device can be conducted to shell by cabinet, recycle the fin on casing to be radiated, together
When, because being not required to ventilation and heat, cabinet can be at sealing state.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of APF modules with natural cooling ability, including cabinet, inversion unit, filter unit and control unit, its
It is characterised by：The cabinet outer surface is provided with fin, and the inversion unit bottom is provided with heat-conducting layer, and is close in the cabinet
Surface 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 are 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, filter resistance, the filter resistance can also be included
It is close to the upper interior surface installation of the cabinet.
Further, the APF modules with natural cooling ability, pre-charge resistance, the precharge can also be included
Resistance is close to the lower interior surface top installation of the cabinet.
Compared with prior art, the beneficial effects of the utility model are：
1）Natural heat dissipation mode is employed, before ensureing effectively to radiate to the switch electric components of big caloric value
Put, avoid and APF modules are radiated using fan or cooling blower etc., not only reduce heat dissipating mass and space,
Mitigate the volume and weight of APF modules, make that the structure of device is compacter, and outward appearance is more compact and flexible.In addition, cabinet can be adopted
Seal Design is taken, APF inside modules component is in sealing state, the entrance of dust and other impurities is avoided, suitable for field
Environment.
2）Using the radiating mode of natural cooling, fan air blast cooling is eliminated, when APF modules are run, noise is small, improves
The service life of equipment, the workload of manual maintenance greatly reduce.
Brief description of the drawings
Fig. 1 is the casing surface structure stereogram of the APF modules of the present utility model with natural cooling ability.
Fig. 2 is the casing surface structure upward view of the APF modules of the present utility model with natural cooling ability.
Fig. 3 is the internal structure of the box of the APF modules of the present utility model with natural cooling ability.
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 the technical solution of the utility model, below in conjunction with accompanying drawing, the utility model is carried out
Specifically describe.But embodiment not limited to this of the present utility model.
Embodiment 1：
1 and accompanying drawing 3, a kind of APF modules with natural cooling ability, including 1, three IGBT of cast aluminium cabinet referring to the drawings
Inverter bridge unit 7, filter inductance unit 8, three filter resistances 9 and three pre-charge resistances 10, and control unit.The casting
Aluminium cabinet 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-channel 14, groove are embedded in sealing rubber strip and surround casing one week.The side of casing upper and lower cover four is fastened by eight bolts 13, is protected
The smooth engagement of contact surface is demonstrate,proved, presses the sealing rubber strip in groove, reaches dustproof and waterproof effect.
The structure of three IGBT inverter bridges unit 7 is identical, and difference uses aluminium base technique, 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, forms heat-conducting layer, 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, water joint 3, waterproof air pressure double-beat drop valve 4, waterproof instruction
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, three IGBT inverter bridges units 7 work caused heat, are conducted by aluminium base to casting
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.Heat caused by the filter inductance unit 8 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 the air flow of outside.It is hot caused by three filter resistances 9
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 the air flow of outside
Amount.Heat caused by three pre-charge resistances 10 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 the air flow of outside.
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 deform 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, and is avoided using 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, and 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, avoids the entrance of dust, improve the service life of equipment, the work of manual maintenance
Amount greatly reduces.
For above-described embodiment only to illustrate technical concept, principle and feature of the present utility model, its object is to allow be familiar with this
The people of item technology can understand content of the present utility model and implement according to this, and protection model of the present utility model can not be limited with this
Enclose.The equivalent transformation or modification that all Spirit Essences according to the utility model main technical schemes are done, should all cover in this reality
Within new protection domain.
Claims (10)
1. a kind of APF modules with natural heat dissipation ability, including cabinet, inversion unit, filter unit and control unit, it is special
Sign is：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 heat dissipation 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 heat dissipation 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 heat dissipation 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 according to claim 4 with natural heat dissipation ability, it is characterised in that：The interior table of the cabinet
Face is handled by surfacing.
6. the APF modules according to claim 5 with natural heat dissipation ability, it is characterised in that：The cabinet is used and led
Hot material manufactures.
7. the APF modules according to claim 6 with natural heat dissipation ability, it is characterised in that：The inversion unit bag
Some convertor units are included, the convertor unit structure is identical, is installed on aluminium base or copper base front surface, the aluminium base
Or copper-based back uniformly smears Heat Conduction Material, and the inner surface for being close to the cabinet is fixedly mounted.
8. the APF modules according to claim 7 with natural heat dissipation ability, it is characterised in that：The filter unit fills
It is encapsulated in rectangle aluminium box, and is close to the cabinet inner surface and is fixedly mounted.
9. the APF modules according to claim 8 with natural heat dissipation ability, it is characterised in that：Also include filter resistance,
The filter resistance is close to the cabinet inner surface installation.
10. the APF modules according to claim 9 with natural heat dissipation ability, it is characterised in that：Also include precharge electricity
Resistance, the pre-charge resistance are close to the cabinet inner surface installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720468595.2U CN206850429U (en) | 2017-04-30 | 2017-04-30 | A kind of APF modules with natural heat dissipation ability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720468595.2U CN206850429U (en) | 2017-04-30 | 2017-04-30 | A kind of APF modules with natural heat dissipation ability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206850429U true CN206850429U (en) | 2018-01-05 |
Family
ID=60794636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720468595.2U Active CN206850429U (en) | 2017-04-30 | 2017-04-30 | A kind of APF modules with natural heat dissipation ability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206850429U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039979A (en) * | 2017-04-30 | 2017-08-11 | 广州开能电气实业有限公司 | A kind of APF modules with natural heat dissipation ability |
| IT201900019868A1 (en) * | 2019-10-28 | 2021-04-28 | Danieli Automation Spa | CONVERTER DEVICE AND ELECTRICAL POWER SUPPLY |
-
2017
- 2017-04-30 CN CN201720468595.2U patent/CN206850429U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039979A (en) * | 2017-04-30 | 2017-08-11 | 广州开能电气实业有限公司 | A kind of APF modules with natural heat dissipation ability |
| IT201900019868A1 (en) * | 2019-10-28 | 2021-04-28 | Danieli Automation Spa | CONVERTER DEVICE AND ELECTRICAL POWER SUPPLY |
| WO2021084566A1 (en) * | 2019-10-28 | 2021-05-06 | Danieli Automation S.P.A. | Converter device and electric power supply apparatus |
| JP2022554239A (en) * | 2019-10-28 | 2022-12-28 | ダニエリ オートメーション ソシエタ ペル アチオニ | Converter device and power supply |
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