CN213185904U - Air-cooled high-power rectifier power module - Google Patents
Air-cooled high-power rectifier power module Download PDFInfo
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- CN213185904U CN213185904U CN202021912153.0U CN202021912153U CN213185904U CN 213185904 U CN213185904 U CN 213185904U CN 202021912153 U CN202021912153 U CN 202021912153U CN 213185904 U CN213185904 U CN 213185904U
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Abstract
The patent of the utility model discloses an air-cooled high-power rectifier power module, include: an insulating base plate for supporting; an air outlet baffle plate; fixing the reinforced side plate; the core power component comprises a thyristor power device, a fixed accessory, a long radiator, a short radiator and the like for radiating; the discharge insulating plate is used for fixing the output copper bar; an upper top plate for forming a closed air duct; a fan guard for securing the fan; a centrifugal fan for supplying air; fast melting; the main electric bus positive electrode bar and the main electric bus negative electrode bar are used for conducting electricity. The utility model discloses an overcome the difficult point that traditional high-power rectifier power module (6 pulse wave three-phase bridge rectifier output current surpassed 6000A's power) used the forced air cooling structure very little, provided a new mode for forced air cooling's high-power rectifier power module structure.
Description
Technical Field
The patent of the utility model relates to a power electronics trade rectifier technical field, concretely relates to forced air cooling high-power rectifier power module.
Background
With the development of national economy, power semiconductor rectifier power supplies play a great role in more and more fields such as non-ferrous metal metallurgy, chemical industry, thermal experiments and the like. For a high-power rectifier power supply with output current of more than 6000A, even tens of thousands of amperes, the cooling mode basically adopts a water-cooling structure, but a cooling water device and circulating water are required to be provided externally. However, in some field conditions, circulating water cannot be provided, so that a water-cooled high-power rectifier cannot be used, and an air cooling mode needs to be selected.
However, such high-power rectifiers are generally difficult to implement with air-cooled structures, or are implemented at a high cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: in order to solve the problem that the high-power rectifier is difficult to realize by an air cooling structure form, a novel air cooling high-power rectifier power module is provided. The rectifier power module is characterized in that a bridge arm of a main circuit topology is made into the power module on the basis of semiconductor devices (such as diodes, thyristors and the like), and the power module is realized through an air cooling structure.
The purpose of the utility model is realized through the following technical scheme: a power module of an air-cooled high-power rectifier comprises a power assembly, wherein the power assembly comprises 1 long radiator and 2 short radiators; the 1 long radiator and the 2 short radiators press 2 thyristors in the middle; the other side of the short radiator relative to the thyristor is made of T-shaped steel, and the other side of the long radiator relative to the thyristor is made of flat steel; the T-shaped steel weight and the flat steel weight are fastened through a long bolt sleeved with an insulating sleeve, the long radiator and the short radiator are fastened together, and heat emitted by the thyristor during working is conducted and taken away through the long radiator and the short radiator; the air outlet side of the long radiator is provided with a temperature relay which plays a role in detecting the temperature of the radiator; the connecting bar is installed respectively to short radiator upside, the connecting bar links together with the fuse.
Further, the device also comprises a bottom plate, a left side plate, a front steel plate, a discharge insulation plate, a top cover plate, a rear steel plate, a right side plate, a fan plate for fixing the centrifugal fan, an output positive electrode row and an output negative electrode row; the centrifugal fan provides a heat dissipation air source, and the bottom plate, the left side plate, the front steel plate, the discharge insulation plate, the rear steel plate and the right side plate play a role in fixed connection and simultaneously form a heat dissipation air channel, and the air channels are in a laminated independent layout.
Further, the long radiator and the short radiator are both aluminum profile radiators of SF18 specification.
The utility model discloses there are following several innovation points mainly:
1. the utility model adopts a new air cooling structure aiming at the power supply of the high-power rectifier, and overcomes the difficulty that the power supply of the high-power rectifier adopts the air cooling structure less;
2. the utility model discloses make success rate module structure to a bridge arm of main circuit, structural style is both compact also be convenient for installation and maintenance, and the cost is also lower.
3. The utility model discloses structurally adopt 6 thyristors to fall into 3 groups, and form 3 airtight wind channel spaces of group and dispel the heat respectively, realized the function that high-power rectifier forced air cooling required.
Drawings
Fig. 1 is an electrical schematic diagram (a schematic diagram of a main circuit topology of a 6-pulse three-phase bridge) of the present invention;
FIG. 2 is a view showing the appearance of the present invention;
fig. 3 is a power module structure diagram of the present invention.
In the figure, 1, a bottom plate; 2. a left side plate; 3. a front steel plate; 4. a power component; 401. a long heat sink; 402. A thyristor; 403. a short heat sink; 404. t-shaped steel pressing; 405. a temperature relay; 406. flattening steel; 407. a long bolt; 408. an insulating sleeve; 409. a connecting row; 5. discharging the insulating plate; 6. a top cover plate; 7. A rear steel plate; 8. a right side plate; 9. a fan plate; 10. a centrifugal fan; 11. a fuse; 12. outputting the positive electrode row; 13. outputting a negative electrode row;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
Please refer to fig. 1 to fig. 3 in combination, an embodiment of the present invention is an arrangement of a laminated heat dissipation structure for a power module of an air-cooled high-power rectifier, which includes a bottom plate 1, a left side plate 2, a front steel plate 3, a power module 4, a discharge insulation plate 5, a top cover plate 6, a rear steel plate 7, a right side plate 8, a fan plate 9 for fixing a centrifugal fan, a centrifugal fan 10, a fuse 11 for protecting a thyristor, an output positive electrode row 12, and an output negative electrode row 13.
The power module 4 includes 1 long heat sink 401 and 2 short heat sinks 403, and the heat sinks 401 and 403 are both aluminum profile heat sinks of SF18 standard. The long heat sink 401 and 2 short heat sinks 403 compress 2 thyristors 402 in between. The other side of each short radiator 403 is a T-shaped steel press 404, the other side of the long radiator 401 is a flat steel press 406, the T-shaped steel press and the flat steel press are fastened through a long bolt 407 sleeved with an insulating sleeve 408, the long radiator 401 and the short radiator 403 are also fastened together, and heat emitted by the thyristor 402 during operation is conducted away through the long radiator 401 and the short radiator 403.
The air outlet side of the long radiator 401 is provided with a temperature relay 405 which plays a role in detecting the temperature of the radiator. The upper sides of the 2 short radiators 403 are respectively provided with a connecting row 409, and the connecting row 409 is connected with the fuse 9 in the following.
As shown in fig. 3, the power module 4 of the present invention, when assembled: firstly, arranging a long radiator 401, 2 thyristors 402 and 2 short radiators 403 in sequence; then, sequentially placing the T-shaped press steel 404 on the other side of the short radiator and the flat press steel 406 on the other side of the long radiator 401; then, the long bolt 407 sleeved with the insulating sleeve 408 sequentially penetrates through the T-shaped press steel 404, the long radiator 401, the short radiator 403 and the flat press steel 406 and is fastened by corresponding nuts; finally, the temperature relay 405 is installed on the air outlet side of the long radiator 401, and the connection rows 409 are respectively installed on the top sides of the short radiators.
As shown in fig. 2, the utility model discloses a forced air cooling high power rectifier power module is when the equipment, ground in proper order: assembling a bottom plate 1, a front steel plate 3, a top cover plate 6, a rear steel plate 7 and a right side plate 8 into a frame; then, three groups of power components 4 are assembled from bottom to top and fixed by accessories, and meanwhile, the discharge insulation plate 5 on the front sleeve is fixed and the left side plate 2 is sealed; then sequentially assembling a fan plate 9 and a centrifugal fan 10 to form a laminated independent air duct; finally, the fuse 11, the output positive electrode row 12 and the output negative electrode row 13 are assembled.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention, and for those skilled in the art, the protection scope of the present invention is not limited thereto, and those skilled in any power electronics field shall respect the claims of the present invention.
Claims (3)
1. The utility model provides a forced air cooling high power rectifier power module which characterized in that:
the power component comprises 1 long radiator and 2 short radiators; the 1 long radiator and the 2 short radiators press 2 thyristors in the middle; the other side of the short radiator relative to the thyristor is made of T-shaped steel, and the other side of the long radiator relative to the thyristor is made of flat steel; the T-shaped steel weight and the flat steel weight are fastened through a long bolt sleeved with an insulating sleeve, the long radiator and the short radiator are fastened together, and heat emitted by the thyristor during working is conducted and taken away through the long radiator and the short radiator;
the air outlet side of the long radiator is provided with a temperature relay which plays a role in detecting the temperature of the radiator; the connecting bar is installed respectively to short radiator upside, the connecting bar links together with the fuse.
2. The air-cooled high power rectifier power module as claimed in claim 1, wherein: the centrifugal fan comprises a bottom plate, a left side plate, a front steel plate, a discharge insulation plate, a top cover plate, a rear steel plate, a right side plate, a fan plate for fixing the centrifugal fan, an output positive electrode row and an output negative electrode row; the centrifugal fan provides a heat dissipation air source, and the bottom plate, the left side plate, the front steel plate, the discharge insulation plate, the rear steel plate and the right side plate play a role in fixed connection and simultaneously form a heat dissipation air channel, and the air channels are in a laminated independent layout.
3. The air-cooled high power rectifier power module as claimed in claim 1, wherein: the long radiator and the short radiator are both aluminum profile radiators with SF18 specification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021912153.0U CN213185904U (en) | 2020-09-04 | 2020-09-04 | Air-cooled high-power rectifier power module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021912153.0U CN213185904U (en) | 2020-09-04 | 2020-09-04 | Air-cooled high-power rectifier power module |
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| CN213185904U true CN213185904U (en) | 2021-05-11 |
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| CN202021912153.0U Active CN213185904U (en) | 2020-09-04 | 2020-09-04 | Air-cooled high-power rectifier power module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917312A (en) * | 2020-09-04 | 2020-11-10 | 成都英格利科技有限公司 | Air-cooled high-power rectifier power module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917312A (en) * | 2020-09-04 | 2020-11-10 | 成都英格利科技有限公司 | Air-cooled high-power rectifier power module |
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Effective date of registration: 20230908 Address after: No. 2-24 Jianye Road, Nanhu New District, Zhongxiang City, Jingmen City, Hubei Province, 431900 Patentee after: HUBEI YINGLI ELECTRIC CO.,LTD. Patentee after: Chengdu yinggeli Technology Co.,Ltd. Address before: No.1219, 12 / F, building 2, no.218, Tianfu Third Street, Chengdu hi tech Zone, 610000 China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan Province Patentee before: Chengdu yinggeli Technology Co.,Ltd. Patentee before: Beijing international science and Technology Co.,Ltd. |