CN202334269U - Connecting structure of inversion module - Google Patents
Connecting structure of inversion module Download PDFInfo
- Publication number
- CN202334269U CN202334269U CN2011204796604U CN201120479660U CN202334269U CN 202334269 U CN202334269 U CN 202334269U CN 2011204796604 U CN2011204796604 U CN 2011204796604U CN 201120479660 U CN201120479660 U CN 201120479660U CN 202334269 U CN202334269 U CN 202334269U
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- inversion module
- terminal
- fixed support
- direct current
- bus
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Abstract
A connecting structure of an inversion module belongs to the technical field of power electronics and comprises a direct current bus, the inversion module installed on a radiator and a capacitor. The inversion module is formed by an insulation casing and a direct current terminal arranged on the insulation casing. The direct current terminal of the inversion module, the direct current bus and a wiring terminal of the capacitor are vertically stacked and fixedly connected through fasteners so that electric connection among the capacitor, the direct current bus and the inversion module is formed. The connecting structure of the inversion module is characterized by further comprising a fixing support installed on the radiator, and the fixing support tightly presses the joint where the direct current terminal of the inversion module, the direct current bus and the wiring terminal of the capacitor are stacked. The connecting structure of the inversion module has the advantages of being capable of effectively protecting the direct current terminal of the inversion module and the insulation casing of the inversion module from damage of internal stress, avoiding deformation and having good electrical performance.
Description
Technical field
The utility model belongs to electric and electronic technical field, is specifically related to a kind of syndeton of inversion module
Background technology
are present; Generally comprise dc bus in power electronic equipment such as the frequency converter, absorb electric capacity, electrochemical capacitor and inversion module; Realize being electrically connected between the binding post of the dc terminal of inversion module and dc bus and electric capacity; Specifically: an end of dc bus, the dc terminal of inversion module and absorb that directly to adopt screw to connect between the binding post of electric capacity fixing, and the other end of dc bus is connected with the binding post of electrochemical capacitor and fixes.Simultaneously; Because inversion module and electrochemical capacitor all are fixed on frequency converter inside; Above-mentioned syndeton can cause the location of crossing of inversion module, thereby produces internal stress, makes the dc terminal of inversion module bear bigger internal stress; And the existence of internal stress can cause the dc terminal distortion of inversion module, even can cause the insulation shell of inversion module damaged.
To the deformation problems that above-mentioned inversion module causes because of the existence of internal stress, the applicant has carried out actively and effectively attempting, and has found the way that solves the problems of the technologies described above, and the technical scheme that will introduce below produces under this background
Summary of the invention
The purpose of
the utility model is will provide a kind of can protect the dc terminal of inversion module and the syndeton that insulation shell does not receive the inversion module of internal stress destruction thereof.
The purpose of
the utility model reaches like this; A kind of syndeton of inversion module; Comprise dc bus, be installed in inversion module and electric capacity on the radiator; Described inversion module comprises insulation shell and is located at the dc terminal on the insulation shell; The binding post of the dc terminal of said inversion module and described dc bus and electric capacity is stacked up and down and make the three be connected and be fixed together through securing member, thereby forms being electrically connected between electric capacity, dc bus and the inversion module, is characterized in: also include a fixed support; Described fixed support is installed on the radiator, and is pressed on the dc terminal junction mutually stacked with the binding post three of described dc bus and electric capacity of said inversion module.
In the specific embodiment of
the utility model; Described fixed support is respectively arranged with at the two ends of length direction and is used for fixed support is installed to fixed installation hole that described radiator gets on and the open tubular column that matches with described fixed installation hole, and described open tubular column is convexly equipped with below support bracket fastened.
are in another specific embodiment of the utility model; Described fixed support is provided with a pair of connection hole in the centre of length direction; Described dc terminal has positive terminal and negative pole end, and the position in a pair of connection hole is corresponding with the position of described positive terminal and negative pole end.
in another specific embodiment of the utility model, described connection is embedded with metal sleeve in the hole.
also have in the specific embodiment the utility model, and the centre in described a pair of connection hole is provided with convex tendon, and described convex tendon is convexly equipped with below support bracket fastened and corresponding to the centre position of positive terminal and negative pole end.
the utility model is because after adopting above-mentioned syndeton, the advantage that has: can effectively protect the dc terminal of inversion module and the destruction that insulation shell does not receive internal stress thereof, avoid distortion; Simultaneously, has good electric property.
Description of drawings
Fig. 1 is an example structure sketch of the utility model.
Fig. 2 is the I portion enlarged drawing of Fig. 1.
Fig. 3 is another example structure sketch of the utility model.
Fig. 4 is the three-dimensional exploded view of Fig. 3.
Fig. 5 is the structure diagram of an embodiment again of the utility model.
Fig. 6 is the described support bracket fastened three-dimensional structure diagram of the utility model.
Among
figure: 1. dc bus; 2. inversion module, 21. insulation shells, 22. dc terminals, 221. positive terminals, 222. negative pole ends; 3. fixed support, 31. fixed installation holes, 32. connection holes, 321. metal sleeves, 33. convex tendons, 34. open tubular columns; 4. radiator, 41. installing holes; 5. electric capacity.
Embodiment
can be expressly understood the technical spirit and the beneficial effect of the utility model more for the auditor that the makes Patent Office especially public; The applicant general elaborates with the mode of embodiment below; But the description to embodiment all is not the restriction to the utility model technical scheme, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be regarded as the technical scheme category of the utility model.
see also Fig. 1, Fig. 2 and Fig. 4; A kind of syndeton of inversion module; Comprise dc bus 1, be installed in inversion module 2 and electric capacity 5 on the radiator 4; The inversion module 2 here is an example with IGBT high power contravariant module, and this inversion module 2 comprises insulation shell 21 and be located at the dc terminal 22 on the insulation shell 21 that described dc terminal 22 has positive terminal 221 and negative pole end 222; The binding post of the dc terminal 22 of described inversion module 2 and described dc bus 1 and electric capacity 5 is stacked up and down and make the three be connected and be fixed together through securing member; Thereby form being electrically connected between electric capacity 5, dc bus 1 and the inversion module 2, described securing member can be a screw, below all is example with the screw; Described syndeton also includes a fixed support 3; Described fixed support 3 is processed by high-strength insulating material, and fixed support 3 is respectively arranged with at the two ends of length direction and is used for fixed support 3 is installed to fixed installation hole 31 that described radiator 4 gets on and the open tubular column 34 that matches with described fixed installation hole 31, and described open tubular column 34 is convexly equipped with below fixed support 3.Described fixed support 3 is provided with a pair of connection hole 32 in the centre of length direction, the position in a pair of connection hole 32 is corresponding with the position of described positive terminal 221 and negative pole end 222.Be embedded with metal sleeve 321 in the described connection hole 32, metal sleeve 321 can strengthen the intensity of mounting bracket 3, guarantees the stability of mounting bracket 3.The centre in described a pair of connection hole 32 is provided with convex tendon 33, and described convex tendon 33 is convexly equipped with below fixed support 3 and corresponding to the centre position of positive terminal 221 and negative pole end 222.Because the existence of convex tendon 33 has formed one deck obstruct between positive terminal 221 and negative pole end 222, reduced influencing each other between positive terminal 221 and the negative pole end 222, makes this syndeton have good electric property.
Fig. 1, Fig. 2, Fig. 4 and Fig. 6 please be continued to consult in
; The installation process of a kind of embodiment of narration the utility model: at first; After first screw 6 passes the fixed installation hole 31 and open tubular column 34 at fixed support 3 two ends; Be connected with corresponding installing hole 41 on the radiator 4, open tubular column 34 is resisted against on the described radiator 4, and it is fixing to make fixed support 3 be connected with radiator 4; Then; Second screw 7 passes the dc terminal 22 of binding post, the binding post on the dc bus 1 and inversion module 2 on the electric capacity 5; Above-mentioned three is connected and is fixed together, thereby form being electrically connected between electric capacity 5, dc bus 1 and the inversion module 2, described fixed support 3 tightly suppresses each splicing ear; Make that the bonding strength between each element is higher, the dc terminal that has effectively solved inversion module 2 bears the problem of stress greatly.Preferably; Be provided with metal sleeve 321 in the connection hole 32 of fixed support 3; Metal sleeve 321 can hold second screw 7, when carrying out installation and removal, can pass 321 pairs second screws 7 of metal sleeve and operate, simultaneously because metal sleeve 321 is difficult for taking place deformation; Can strengthen the intensity of mounting bracket 3, guarantee the stability of mounting bracket 3.
Embodiment 2
see also Fig. 3, Fig. 4 and Fig. 6; The installation process of the another kind of embodiment of narration the utility model: at first; After first screw 6 passes the fixed installation hole 31 and open tubular column 34 at fixed support 3 two ends; Be connected with corresponding installing hole 41 on the radiator 4, open tubular column 34 is resisted against on the described radiator 4, and it is fixing to make fixed support 3 be connected with radiator 4; Then; Second screw 7 passes the dc terminal 22 of connection hole 32, the binding post on the electric capacity 5, the binding post on the dc bus 1 and inversion module 2 in the middle of the fixed support 3; Connect and be fixed together above-mentioned four, thereby form being electrically connected between electric capacity 5, dc bus 1 and the inversion module 2, described fixed support 3 tightly suppresses each splicing ear; Make that the bonding strength between each element is higher, the dc terminal that has effectively solved inversion module 2 bears the problem of stress greatly.
see also Fig. 5; Another embodiment for the utility model; Inversion module 2 can also be conjuncted inversion module, and fixed support 3 is made according to the terminal number on the conjuncted inversion module, and corresponding connection hole 32, fixed installation hole 31, open tubular column 34 and convex tendon 33 are set; Preferably; Be respectively arranged with metal sleeve 321 in the connection hole 32, connect fixingly then according to aforesaid mode, played the effect of protecting conjuncted inversion module terminal equally.
In sum, the technical scheme that the utility model provided has overcome the shortcoming in the prior art, has reached goal of the invention, has embodied the described technique effect of applicant
Claims (5)
1. the syndeton of
a kind of inversion module; Comprise dc bus (1), be installed in inversion module (2) and electric capacity (5) on the radiator (4); The binding post of the dc terminal (22) of described inversion module (2) and described dc bus (1) and electric capacity (5) is stacked up and down and be connected and be fixed together through securing member; It is characterized in that: also include a fixed support (3); Described fixed support (3) is installed on the radiator (4), and is pressed on the mutually stacked junction of binding post three of dc terminal (22) with the described dc bus (1) and the electric capacity (5) of said inversion module (2).
2. the syndeton of
inversion module according to claim 1; It is characterized in that described fixed support (3) is respectively arranged with at the two ends of length direction is used for fixed support (3) is installed to fixed installation hole (31) that described radiator (4) gets on and the open tubular column (34) that matches with described fixed installation hole (31), and described open tubular column (34) is convexly equipped with the below in fixed support (3).
3. the syndeton of
inversion module according to claim 1; It is characterized in that described fixed support (3) is provided with a pair of connection hole (32) in the centre of length direction; Described dc terminal (22) has positive terminal (221) and negative pole end (222), and the position in a pair of connection hole (32) is corresponding with the position of described positive terminal (221) and negative pole end (222).
4. the syndeton of
inversion module according to claim 3 is characterized in that being embedded with in the described connection hole (32) metal sleeve (321).
5.
The syndeton of inversion module according to claim 3; The centre that it is characterized in that described a pair of connection hole (32) is provided with convex tendon (33), and described convex tendon (33) is convexly equipped with in the below of fixed support (3) and corresponding to the centre position of positive terminal (221) and negative pole end (222)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204796604U CN202334269U (en) | 2011-11-28 | 2011-11-28 | Connecting structure of inversion module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204796604U CN202334269U (en) | 2011-11-28 | 2011-11-28 | Connecting structure of inversion module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202334269U true CN202334269U (en) | 2012-07-11 |
Family
ID=46446234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204796604U Expired - Lifetime CN202334269U (en) | 2011-11-28 | 2011-11-28 | Connecting structure of inversion module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202334269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915795A (en) * | 2013-01-09 | 2014-07-09 | 永济新时速电机电器有限责任公司 | Composite busbar insulation supporting device and IGBT power module |
-
2011
- 2011-11-28 CN CN2011204796604U patent/CN202334269U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915795A (en) * | 2013-01-09 | 2014-07-09 | 永济新时速电机电器有限责任公司 | Composite busbar insulation supporting device and IGBT power module |
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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 |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |