CN202260975U - Radiating structure of frequency converter - Google Patents
Radiating structure of frequency converter Download PDFInfo
- Publication number
- CN202260975U CN202260975U CN2011203453503U CN201120345350U CN202260975U CN 202260975 U CN202260975 U CN 202260975U CN 2011203453503 U CN2011203453503 U CN 2011203453503U CN 201120345350 U CN201120345350 U CN 201120345350U CN 202260975 U CN202260975 U CN 202260975U
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- radiator
- air channel
- inner panel
- lower house
- frequency converter
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Abstract
The utility model relates to a radiating structure of a frequency converter, which comprises an upper casing (1) and a lower casing (2), as well as a radiating air passage (3), and a fan group (4) in the lower casing (2), and is characterized by further comprising an air passage inner plate (5) and at least one air passage folded plate (8), wherein, the air passage inner plate (5) is fixed on the lower casing (2) and in the radiating air passage (3) formed by the lower casing (2); a radiator (7) is clamped on the air passage inner plate (5); the air passage folded plates (8) are a folded plate with two bending edges and a raised middle part and is fixed at the bottom of the lower casing (2) or on the front and the back sides of the lower casing (2) so as to ensure that the air passage folded plates (8) and the radiator (7) correspond to each other, thereby reducing the cross area of the radiating air passage (3) at the radiator (7). In the utility model, the cross section area of the radiating air passage at the radiator is reduced, the air movement in the air passage is accelerated, and the radiating effect is improved. Therefore, the size of the radiator is reduced, the weight is reduced too, and the cost is saved.
Description
Technical field
The utility model relates to a kind of heat sinking structure of frequency converter, is mainly used in the radiating requirements that satisfies transducer power device (inversion module, rectification module), belongs to the electric equipment class.
Background technology
Frequency converter is one of modern electrical machine speed regulating control and energy-conservation indispensable important devices, and is very extensive in the application of industrial circle.Main circuit of converter is made up of rectifier, intermediate circuit, inverter three parts, and these power device caloric values are bigger in the course of the work, if can not be to its efficiently radiates heat, will make frequency converter Yin Wendu too high and shut down or damage, and can not normally move.Frequency converter can be selected the different radiating structure according to the size of power in the prior art; For big-power transducer; The normal mode of encapsulation separately that adopts of its rectifier and inverter section; And on inverter and rectifier, cover the big radiator of a monoblock, with fan radiator is carried out wind cooling temperature lowering.The technical problem that this scheme exists is that radiator is bigger, and space availability ratio is not enough.For the low power frequency conversion device, its rectifier and inverter section can be packaged together, and rectifier and inverter are combined into power model, on power model, cover a radiator, and fans is carried out wind cooling temperature lowering to radiator.Though this structure meets the little requirement of volume, radiating effect is unsatisfactory, and the space of further lifting radiating effect is arranged.
Through the retrieval Chinese patent; Also retrieve the patent documentation of the radiator structure of some frequency converters; What wherein technology contents was more approaching is that application number is 200920316261.9 utility model patent " frequency converter built-in wind cooling radiator structure ", and its characteristic just is fixedly aluminum alloy heat sink of lower house internal fixation radiator fan, middle part.But it is big that this technical scheme exists the radiator volume, the shortcoming that weight is big, and this does not meet light, the little development trend of product, is difficult to reduce because of radiator causes product cost greatly sometimes yet.
The utility model content
The utility model is to the technical problem that exists in the prior art; A kind of heat sinking structure of frequency converter is proposed; Its main feature is to adopt unique heat dissipation wind channel shape, makes that laying radiator place cross-sectional area in the heat dissipation wind channel shrinks and narrow down, when air mass flow is constant; Cooling blast raises speed when flowing through radiator, thereby strengthens radiating effect.For realizing above-mentioned purpose; The technical scheme of the utility model is: the heat dissipation wind channel 3 in a kind of frequency converter radiator structure, the upper shell 1 that comprises mutual fastening and lower house 2 and lower house 2, be installed in the fans 4 at heat dissipation wind channel 3 air outlet places, wherein; Also comprise an air channel inner panel 5 and at least one air channel flap 8; Air channel inner panel 5 is fixed on the lower house 2, surrounds heat dissipation wind channel 3 jointly with lower house 2, supplies to clamp radiator 7 on the air channel inner panel 5; Air channel flap 8 is fixed on the bottom surface of lower house 2, or is fixed on the both sides, front and back of lower house 2 for the flap of both sides bending intermediate projections, and guarantees that air channel flap 8 is corresponding to reduce the cross-sectional area of heat dissipation wind channel 3 at radiator 7 places each other with radiator 7.
In order further to improve radiating effect, air channel inner panel 5 upwards has the cross-sectional area of a bending section 5-1 with the air outlet place of increase heat dissipation wind channel 3 at the end near air outlet.
For the radiator structure of low power frequency conversion device, have hole 6 on the air channel inner panel 5, hole 6 clamps a radiator 7, fixing SPM 11 on the radiator 7; Air channel flap 8 is separately fixed at the both sides, front and back of lower house 2 when for two, wherein, radiator 7 is positioned at the centre of two air channel flaps 8, and is parallel relative before and after the three.
Radiator structure for big-power transducer; On air channel inner panel 5, have two hole 9-2 and 10-2; Hole 9-2,10-2 clamp the radiator 9-1 of inverter and the radiator 10-1 of rectifier respectively, are fixed with inverter 9 and rectifier 10 on the radiator 9-1 of inverter and the radiator 10-1 of rectifier respectively; Air channel flap 8 is fixed on the bottom surface of lower house 2, and wherein, inverter radiator 9-1 and air channel flap 8 are relative up and down.
One baffle plate 14 also is installed on the air channel inner panel 5, and baffle plate 14 is near fans 4) end has ventilation hole 14-1, and baffle plate 14 separates capacitance group 13 and inverter 9 and rectifier 10, fans 4.
The technique effect of present technique scheme is embodied in: through increasing the internal heat dissipating air channel structure that air channel inner panel and air channel flap can change frequency converter; Effectively reduced the cross-sectional area of heat dissipation wind channel at the radiator place; Thereby speed air flow in the change air channel plays the purpose that increases radiating effect.Under the constant situation of power device caloric value, can reduce the volume of radiator, radiator just can be done more gently for a short time.Radiator is as parts of frequency converter, and the reducing of its volume finally is reflected on the frequency converter, makes the frequency converter volume littler, and weight is lighter, has also reduced product cost simultaneously.
Description of drawings
Fig. 1 is the exploded view of the utility model lower house and air channel inner panel;
Fig. 2 is the exploded view of low power frequency conversion device radiator structure;
Fig. 3 is the sketch map of the radiator structure of low power frequency conversion device;
Fig. 4 is the explosive view of low power frequency conversion device;
Fig. 5 is the housing exploded view of the radiator structure of big-power transducer;
Fig. 6 is housing and the exploded view of air channel inner panel of the radiator structure of big-power transducer;
Fig. 7 is the sketch map of the radiator structure of big-power transducer.
Indicate among the figure: 1: upper shell, 2: lower house, 3: heat dissipation wind channel, 4: fans, 5: the air channel inner panel; 5-1: bending section, 6: hole, 7: radiator, 8: air channel flap, 9: inverter; 9-1: the radiator of inverter, 9-2: hole, 10: rectifier, 10-1: the radiator of rectifier, 10-2: hole; 11: SPM, 12: housing, 13: capacitance group, 14: baffle plate, 14-1: ventilation hole.
Embodiment
Existing applicant describes the embodiment of present technique scheme in detail according to accompanying drawing.
Like Fig. 1-shown in Figure 4 is the embodiment of the radiator structure of low power frequency conversion device.The shell of frequency converter can be selected as required to be fastened by upper shell 1 and lower house 2 and form or be made up of a monoblock housing 12, and at this, it is to fasten up and down that the applicant selects the housing of low power frequency conversion device; Heat dissipation wind channel is positioned at lower house 2, and heat dissipation wind channel 3 connects about being, the left side is an air outlet; The right side is an air inlet; Air channel inner panel 5 is positioned on the heat dissipation wind channel 3, is fixed on the lower house 2, and fixed method can be welding or lower house 2 both sides are bent inwards and use screw to fix.The square opening 6 that coincide with radiator 7 sizes is arranged on the air channel inner panel 5, and radiator 7 is stuck in 6 li in hole and is fixed on the air channel inner panel 5, and radiator is play a part to support, fix.In the low power frequency conversion device, the applicant combines inverter 9, rectifier 10 becomes a SPM 11, and SPM 11 is installed on the radiator 7, and capacitance group 13 is installed in the air inlet place, also is installed in the corresponding hole.During fans 4 exhausting, air-flow can get into from air inlet, flows through capacitance group 13 like this, flows to the radiator 7 below the SPM 11 again.Fans 4 is installed in the heat dissipation wind channel air outlet; Air channel inner panel 5 is at the bending section 5-1 that a certain angle is upwards arranged near air outlet one end; The end of bending section 5-1 and fans 4 are fixed together; Like this, the cross-sectional area of heat dissipation wind channel 3 at radiator 7 places is less than the cross-sectional area of heat dissipation wind channel 3 at the air outlet place.Two blocks of air channel flaps 8 are arranged in the heat dissipation wind channel 3, be fixed on the front and back side walls of lower house 2, radiator 7 just in time is positioned at the centre of two blocks of air channel flaps 8, and is parallel relative before and after the three.Like this; Air channel inner panel 5, two air channel flap 8 actings in conjunction; Heat dissipation wind channel 3 significantly reduces at the cross-sectional area at radiator 7 places, and the air channel air outlet is settled three outside exhausting of 60 * 60 * 25mm size fan, and air-flow speeds up when flowing through radiator 7; Radiating effect strengthens, and radiator 7 also can reduce volume and weight relatively.
Fig. 5-Fig. 7 is the embodiment of the radiator structure of big-power transducer.Different with the radiator structure of low power frequency conversion device is that present embodiment adopts upper shell and the as a whole design of lower house, forms a housing 12, carries out capping with a cover plate above the housing 12.In the design of the radiator structure of this kind of frequency converter; The embodiment basically identical of the radiator structure of the structure of fans 4, air channel inner panel 5 and low power frequency conversion device; The function of air channel inner panel 5 comprises and supports elements such as two radiators, capacitance group 13 a bending section 5-1 is upwards arranged equally to increase the cross-sectional area of air channel at the air outlet place near air outlet one end fixing, and the structure of air channel inner panel 5 and mounting means can have multiple choices; Can be welded on housing 12 side walls; Can make inner panel 5 both sides in air channel produce bending and be fixed on the housing 12 both sides sidewalls with connector, such shown in can certainly image pattern 6-7, inner panel 5 the right and lefts in air channel extend upward out one section again; The extension is fixed on the housing 12, and the extension can also be formed the housing superstructure and be used to protect the components and parts on the air channel inner panel 5.Because the big-power transducer heat dissipation capacity is bigger; Inverter 9 and rectifier
individual packages; Both be installed in respectively inverter radiator 9-1 and rectifier radiator 10-1 above; Substitute a big radiator commonly used in the prior art with two little radiator 9-1,10-1, inverter 9 and rectifier 10 are dispelled the heat respectively.The radiator 9-1 of inverter and the radiator 10-1 of rectifier are installed in two hole 9-2 on the air channel inner panel 5, the 10-2; Make inverter 9 following radiator 9-1 be positioned at the medium position in air channel, rectifier 10 following radiator 10-1 are positioned near air inlet one end.Present embodiment uses an air channel flap 8, and it is fixed on the bottom surface of housing 12, and inverter radiator 9-1 and this air channel flap 8 are up and down vertical opposite.Thus, air channel inner panel 5 cooperates the cross-sectional area with the radiator 9-1 place that reduces air channel medium position inverter with air channel flap 8, thereby improves the cooling blast flow velocity, strengthens radiating effect, and and then the radiator volume is reduced.
In order further to improve the unimpeded of air-flow; The applicant is baffle plate 14 of installation below air channel inner panel 5 also; Baffle plate can be fixed on the air channel inner panel 5, also can be fixed on the bottom surface of housing 12, and baffle plate 14 separates capacitance group 13 and inverter 9, rectifier 10 and fans 4; Have ventilation hole 14-1 at baffle plate 14 near an end of fans 4, so that capacitance group 13 is also played thermolysis.The air channel air outlet adopts two outside exhausting of 80mm fan.Through the improvement of present technique scheme, can improve the radiating effect of radiator structure effectively, and when keeping radiating effect, the applicant can obviously alleviate the weight of radiator structure, reduces cost.
The present technique scheme is a kind of heat sinking structure of frequency converter; The applicant has done detailed elaboration to the different embodiment of the radiator structure of the radiator structure of low power frequency conversion device and big-power transducer respectively; But can not be interpreted as restriction to other execution modes of the utility model; Everyly on the utility model basis, further improve and similar or identical scheme, all be regarded as the scope that the utility model is asked for protection.
Claims (6)
1. frequency converter radiator structure; Comprise mutual fastening upper shell (1) and lower house (2) and the heat dissipation wind channel (3) in the lower house (2), be installed in the fans (4) at heat dissipation wind channel (3) air outlet place; It is characterized in that: also comprise an air channel inner panel (5) and at least one air channel flap (8); Said air channel inner panel (5) is fixed on the lower house (2), surrounds described heat dissipation wind channel (3) jointly with lower house (2), and said air channel inner panel (5) is gone up and supplied to clamp radiator (7); Said air channel flap (8) is the flap of both sides bending intermediate projections; Be fixed on the bottom surface of said lower house (2); Or be fixed on the both sides, front and back of said lower house (2), and guarantee that said air channel flap (8) is corresponding to reduce the cross-sectional area that heat dissipation wind channel (3) is located at radiator (7) each other with said radiator (7).
2. a kind of frequency converter radiator structure according to claim 1 is characterized in that: said air channel inner panel (5) upwards has the cross-sectional area of a bending section (5-1) with the air outlet place of increase heat dissipation wind channel (3) at the end near air outlet.
3. a kind of frequency converter radiator structure according to claim 1 is characterized in that: have hole (6) on the said air channel inner panel (5), said hole (6) clamp a radiator (7), and said radiator (7) is gone up a fixing SPM (11); Said air channel flap (8) is separately fixed at the both sides, front and back of lower house (2) when being two, wherein, said radiator (7) is positioned at the centre of two air channel flaps (8), and is parallel relative before and after the three.
4. a kind of frequency converter radiator structure according to claim 1; It is characterized in that: on said air channel inner panel (5), have two holes (9-2) and (10-2); Said hole (9-2,10-2) clamps the radiator (9-1) of inverter and the radiator (10-1) of rectifier respectively, is fixed with inverter (9) and rectifier (10) on the radiator (10-1) of radiator of said inverter (9-1) and rectifier respectively; Said air channel flap (8) is fixed on the bottom surface of lower house (2), and wherein, inverter radiator (9-1) is relative up and down with said air channel flap (8).
5. a kind of frequency converter radiator structure according to claim 4; It is characterized in that: a baffle plate (14) also is installed on the said air channel inner panel (5); Said baffle plate (14) has ventilation hole (14-1) near fans (4) one ends, and said baffle plate (14) separates capacitance group (13) and inverter (9) and rectifier (10), fans (4).
6. a kind of frequency converter radiator structure according to claim 1; It is characterized in that: said lower house (2) and upper shell (1) perhaps are the housing of integral type (12); A cover plate that is used for capping is arranged above the said housing (12), and said air channel inner panel (5) is fixed on the inside of said housing (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203453503U CN202260975U (en) | 2011-09-09 | 2011-09-09 | Radiating structure of frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203453503U CN202260975U (en) | 2011-09-09 | 2011-09-09 | Radiating structure of frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202260975U true CN202260975U (en) | 2012-05-30 |
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ID=46122158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203453503U Expired - Lifetime CN202260975U (en) | 2011-09-09 | 2011-09-09 | Radiating structure of frequency converter |
Country Status (1)
| Country | Link |
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| CN (1) | CN202260975U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340235A (en) * | 2011-09-09 | 2012-02-01 | 杭州优迈科技有限公司 | Heat-radiating structure of frequency converter |
| CN103687456A (en) * | 2014-01-09 | 2014-03-26 | 惠州天能源科技有限公司 | High-efficiency heat dissipation wall-mounted inverting control all-in-one machine |
| CN105958797A (en) * | 2016-06-13 | 2016-09-21 | 天津瑞能电气有限公司 | Radiating structure for absorption capacitor of power cabinet of wind power generation frequency converter |
| CN106026684A (en) * | 2015-03-31 | 2016-10-12 | 富士电机株式会社 | Electric power conversion device |
| CN107172869A (en) * | 2017-07-18 | 2017-09-15 | 北京英博电气股份有限公司 | Heat abstractor and cooling system |
| CN108541194A (en) * | 2018-05-31 | 2018-09-14 | 湖北省雄雄电子科技有限公司 | A kind of controller for electric vehicle of perfect heat-dissipating |
| CN108702855A (en) * | 2017-12-19 | 2018-10-23 | 深圳市大疆创新科技有限公司 | A kind of radiator structure, remote control equipment, unmanned plane suit |
-
2011
- 2011-09-09 CN CN2011203453503U patent/CN202260975U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340235A (en) * | 2011-09-09 | 2012-02-01 | 杭州优迈科技有限公司 | Heat-radiating structure of frequency converter |
| CN103687456A (en) * | 2014-01-09 | 2014-03-26 | 惠州天能源科技有限公司 | High-efficiency heat dissipation wall-mounted inverting control all-in-one machine |
| CN106026684A (en) * | 2015-03-31 | 2016-10-12 | 富士电机株式会社 | Electric power conversion device |
| CN106026684B (en) * | 2015-03-31 | 2019-10-01 | 富士电机株式会社 | Power inverter |
| CN105958797A (en) * | 2016-06-13 | 2016-09-21 | 天津瑞能电气有限公司 | Radiating structure for absorption capacitor of power cabinet of wind power generation frequency converter |
| CN105958797B (en) * | 2016-06-13 | 2019-08-02 | 天津瑞能电气有限公司 | A kind of wind-power electricity generation frequency conversion device power cabinet Absorption Capacitance radiator structure |
| CN107172869A (en) * | 2017-07-18 | 2017-09-15 | 北京英博电气股份有限公司 | Heat abstractor and cooling system |
| CN108702855A (en) * | 2017-12-19 | 2018-10-23 | 深圳市大疆创新科技有限公司 | A kind of radiator structure, remote control equipment, unmanned plane suit |
| CN108541194A (en) * | 2018-05-31 | 2018-09-14 | 湖北省雄雄电子科技有限公司 | A kind of controller for electric vehicle of perfect heat-dissipating |
| CN108541194B (en) * | 2018-05-31 | 2020-06-26 | 湖北省雄雄电子科技有限公司 | Electric vehicle controller with good heat dissipation performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |