CN202841800U - Radiator for frequency conversion motor controller - Google Patents
Radiator for frequency conversion motor controller Download PDFInfo
- Publication number
- CN202841800U CN202841800U CN 201220344337 CN201220344337U CN202841800U CN 202841800 U CN202841800 U CN 202841800U CN 201220344337 CN201220344337 CN 201220344337 CN 201220344337 U CN201220344337 U CN 201220344337U CN 202841800 U CN202841800 U CN 202841800U
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- CN
- China
- Prior art keywords
- radiator
- radiator body
- shell fragment
- motor controller
- pressure shell
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- Expired - Lifetime
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Abstract
Disclosed is a radiator for a frequency conversion motor controller, comprising a radiator body and a pressure elastic sheet, wherein the pressure elastic sheet is fixed on the radiator body through a fixing assembly. The radiator is characterized in that the radiator body is in contact with an IGBT of the controller in an insulating heat conductive manner through insulating heat conductive material, and the IGBT is pressed tightly by the pressure elastic sheet. The fixing assembly includes a fixing screw used for making the pressure elastic sheet assembled on the radiator body and screw holes corresponding to the fixing screw and arranged on the pressure elastic sheet and the radiator body respectively; or the fixing assembly includes a buckling member and a sleeve connection member which are arranged in match on the pressure elastic sheet and the radiator body. According to the utility model, as the IGBT and the radiator body are assembled together in an insulating heat conductive manner, the IGBT is pressed tightly by the pressure elastic sheet and the IGBT is not in direct contact with the radiator, sufficient electrical safety of the motor controller can be ensured, and the radiating effect of the radiator can be strengthened to a great extent.
Description
Technical field
The utility model relates to a kind of variable-frequency motor controller radiator, mainly is applicable to the use in washing machine variable-frequency motor.
Background technology
At present, variable-frequency motor uses in the washing machine product extensively, and as the requisite control section of variable-frequency motor: the radiating element of controller (frequency converter) is essential, must consider the installation of radiator, thereby makes productions, use more succinctly and make things convenient for.The IGBT of controller has following characteristics: quantity is many, is generally 4 or 6 pipes according to single-phase, three phase electric machine; Consider the reasons such as wiring, wiring outlet, mostly be linear array.Common mounting means directly is fixed on IGBT on the fin for using screw to join insulating sleeve, but this design structure is comparatively complicated, and has potential safety hazard.Therefore, be necessary to be further improved.
The utility model content
The purpose of this utility model aim to provide a kind of reasonable in design, simple in structure, be easy to make and variable-frequency motor controller radiator that reliability is high, to overcome weak point of the prior art.
A kind of variable-frequency motor controller radiator by this purpose design, comprise radiator body and pressure shell fragment, wherein the pressure shell fragment is fixed on the radiator body by fixation kit, its architectural feature is radiator body by the insulating heat-conduction material insulating heat-conductive that contacts with the IGBT of controller, and described IGBT adopts the pressure shell fragment to compress.
Described fixation kit is to make the pressure shell fragment be assemblied in hold-down screw on the radiator body, and corresponding hold-down screw and be arranged on screw on pressure shell fragment and the radiator body; Or for being equipped with buckling piece, the Coupling on pressure shell fragment and radiator body.
Upper end and the IGBT of described pressure shell fragment are contactless, and the lower end is provided with the bow vault that bends towards the radiator side; Described bow vault compresses IGBT.
The bottom of described radiator body is provided with angle; Described angle and IGBT bottom level are equipped with, and are provided with groove between angle and IGBT.
Also can directly be equipped with the IGBT that adopts plastic packaging on the described radiator body.
Scribble heat-conducting silicone grease on the described radiator body and be fitted with insulation spacer, or be equipped with the insulating heat-conductive silica gel piece on the radiator body; Described IGBT is fixed on insulation spacer/insulating heat-conductive silica gel piece, and has corresponding bottom surface height.
Described insulation spacer/insulating heat-conductive silica gel piece places the downside of pressure shell fragment stiff end; Described insulation spacer/insulating heat-conductive silica gel piece height is greater than the IGBT height, and width is consistent with the radiator body width.
The utility model is by assembling IGBT and radiator body insulating heat-conductive, and adopt the pressure shell fragment to compress, make IGBT and radiator without directly contacting, not only can guarantee the electrical security that electric machine controller is enough, greatly degree is strengthened the effect of utilizing radiator to dispel the heat simultaneously.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the left TV structure schematic diagram of Fig. 1.
Among the figure: 1 is radiator body, and 11 is angle, and 12 is groove, and 2 is insulation spacer, and 3 is the pressure shell fragment, and 31 are the bow vault, and 4 is hold-down screw, and 5 is heat-conducting silicone grease, and 6 is IGBT.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 1-Fig. 2, a kind of variable-frequency motor controller radiator, comprise radiator body 1 and pressure shell fragment 3, wherein pressure shell fragment 3 is fixed on the radiator body 1 by hold-down screw 4, and corresponding hold-down screw 4 is equipped with screw at pressure shell fragment 3 and radiator body 1 simultaneously.The upper end of pressure shell fragment 3 and the metal fin of IGBT6 are contactless, and the lower end is provided with the bow vault 31 that bends towards radiator body 1 side; Bow vault 31 compresses IGBT6.The spring plate position of pressure shell fragment 3 screws below and IGBT6 upper metal should keep enough safe spacings (greater than 2.54mm) in addition.Radiator body 1 is provided with angle 11 in the bottom of radiator body 1 except heat radiation grid sheet; Angle 11 is equipped with the IGBT6 bottom level, and is provided with groove 12 between angle 11 and IGBT6, prevents that the IGBT6 pin from touching radiator.Evenly scribble heat-conducting silicone grease 5 on the radiator body 1 and be fitted with the identical insulation spacer 2 of, width highly slightly higher than IGBT6 and fin length 1, the heat-conducting metal of IGBT6 rear side is fixed on the insulation spacer 2, and has corresponding bottom surface height.
Radiator is in process of production first by die reshaping, unclamp hold-down screw 4 after, disposable being installed on the IGBT6 is locked in pressure shell fragment 3 on the radiator body 1 and the screw 4 that is tightened by hold-down screw 4 again, then radiator installs.This heat radiator structure and mounting means overall construction design rationally, be easy to processing and manufacturing, production efficiency improves greatly.
Above-mentioned example is only for clearly illustrating the utility model example; and be not restriction to the utility model execution mode; under the prerequisite that does not depart from technical solution of the present utility model; any modification or improvement that those skilled in the art that the utility model is done easily realize; as adopt difform pressure shell fragment and radiator body, or the catch that adopts different fixed forms, different insulative Heat Conduction Material etc. all belongs to the scope of the desired protection of the utility model.
Claims (7)
1. variable-frequency motor controller radiator, comprise radiator body (1) and pressure shell fragment (3), wherein pressure shell fragment (3) is fixed on the radiator body (1) by fixation kit, it is characterized in that radiator body (1) by the insulating heat-conduction material insulating heat-conductive that contacts with the insulated gate bipolar transistor (6) of controller, described insulated gate bipolar transistor (6) adopts pressure shell fragment (3) to compress.
2. variable-frequency motor controller radiator according to claim 1, it is characterized in that described fixation kit for making pressure shell fragment (3) be assemblied in hold-down screw (4) on the radiator body (1), and corresponding hold-down screw (4) and be arranged on pressure shell fragment (3) and radiator body (1) on screw; Or for being equipped with buckling piece, the Coupling on pressure shell fragment (3) and radiator body (1).
3. variable-frequency motor controller radiator according to claim 1 and 2, the metal fin that it is characterized in that the upper end of described pressure shell fragment (3) and insulated gate bipolar transistor (6) is contactless, and the lower end is provided with the bow vault (31) that bends towards radiator body (1) side; Described bow vault (31) compresses insulated gate bipolar transistor (6).
4. variable-frequency motor controller radiator according to claim 3 is characterized in that the bottom of described radiator body (1) is provided with angle (11); Described angle (11) is equipped with insulated gate bipolar transistor (6) bottom level, and is provided with groove (12) between angle (11) and insulated gate bipolar transistor (6).
5. variable-frequency motor controller radiator according to claim 4 is characterized in that also can directly being equipped with on the described radiator body (1) insulated gate bipolar transistor (6) that adopts plastic packaging.
6. variable-frequency motor controller radiator according to claim 4 is characterized in that scribbling heat-conducting silicone grease (5) on the described radiator body (1) and being fitted with insulation spacer (2), or is equipped with the insulating heat-conductive silica gel piece on the radiator body (1); Described insulated gate bipolar transistor (6) is fixed on insulation spacer (2)/insulating heat-conductive silica gel piece, and has corresponding bottom surface height.
7. variable-frequency motor controller radiator according to claim 6 is characterized in that described insulation spacer (2)/insulating heat-conductive silica gel piece places the downside of pressure shell fragment (3) stiff end; Described insulation spacer (2)/insulating heat-conductive silica gel piece height greater than insulated gate bipolar transistor (6) highly, width is consistent with radiator body (1) width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344337 CN202841800U (en) | 2012-07-16 | 2012-07-16 | Radiator for frequency conversion motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344337 CN202841800U (en) | 2012-07-16 | 2012-07-16 | Radiator for frequency conversion motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202841800U true CN202841800U (en) | 2013-03-27 |
Family
ID=47953382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220344337 Expired - Lifetime CN202841800U (en) | 2012-07-16 | 2012-07-16 | Radiator for frequency conversion motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202841800U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280433A (en) * | 2013-05-24 | 2013-09-04 | 清源科技（厦门）股份有限公司 | Solar alternating current generating system, inverter and fixer thereof |
| CN104994717A (en) * | 2015-08-08 | 2015-10-21 | 衢州昀睿工业设计有限公司 | Heat radiation device of power switch tube |
| CN105006460A (en) * | 2015-08-04 | 2015-10-28 | 衢州昀睿工业设计有限公司 | Heat-transfer radiator for plastically-packaged power tubes |
| CN105376999A (en) * | 2015-11-20 | 2016-03-02 | 重庆盛镁镁业有限公司 | Stretching clamping aluminum alloy cooling fin |
| CN107579051A (en) * | 2017-10-19 | 2018-01-12 | 深圳弘远电气有限公司 | A kind of encapsulating structure |
| CN108336892A (en) * | 2017-05-25 | 2018-07-27 | 泰达电子股份有限公司 | Power module and its package assembly and assemble method |
| CN109660153A (en) * | 2018-12-11 | 2019-04-19 | 沈阳兴华航空电器有限责任公司 | A kind of DC brushless motor controller |
-
2012
- 2012-07-16 CN CN 201220344337 patent/CN202841800U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280433A (en) * | 2013-05-24 | 2013-09-04 | 清源科技（厦门）股份有限公司 | Solar alternating current generating system, inverter and fixer thereof |
| CN103280433B (en) * | 2013-05-24 | 2016-06-01 | 清源科技（厦门）股份有限公司 | A kind of sun power alternating current power-generating system, invertor and stationary installation thereof |
| CN105006460A (en) * | 2015-08-04 | 2015-10-28 | 衢州昀睿工业设计有限公司 | Heat-transfer radiator for plastically-packaged power tubes |
| CN105006460B (en) * | 2015-08-04 | 2018-03-27 | 衢州昀睿工业设计有限公司 | The heat tranferring radiator of plastic packaging power tube |
| CN104994717A (en) * | 2015-08-08 | 2015-10-21 | 衢州昀睿工业设计有限公司 | Heat radiation device of power switch tube |
| CN105376999A (en) * | 2015-11-20 | 2016-03-02 | 重庆盛镁镁业有限公司 | Stretching clamping aluminum alloy cooling fin |
| CN105376999B (en) * | 2015-11-20 | 2017-10-13 | 重庆盛镁镁业有限公司 | Auxetic type clamped-in style aluminum alloy heat sink |
| CN108336892A (en) * | 2017-05-25 | 2018-07-27 | 泰达电子股份有限公司 | Power module and its package assembly and assemble method |
| US10917999B2 (en) | 2017-05-25 | 2021-02-09 | Delta Electronics (Thailand) Public Company Limited | Power module, power module assembly and assembling method thereof |
| CN107579051A (en) * | 2017-10-19 | 2018-01-12 | 深圳弘远电气有限公司 | A kind of encapsulating structure |
| CN109660153A (en) * | 2018-12-11 | 2019-04-19 | 沈阳兴华航空电器有限责任公司 | A kind of DC brushless motor controller |
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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: 20130327 |