CN211959901U - Double-sided water cooling structure for bidirectional inverter motor controller - Google Patents
Double-sided water cooling structure for bidirectional inverter motor controller Download PDFInfo
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- CN211959901U CN211959901U CN202020636284.4U CN202020636284U CN211959901U CN 211959901 U CN211959901 U CN 211959901U CN 202020636284 U CN202020636284 U CN 202020636284U CN 211959901 U CN211959901 U CN 211959901U
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Abstract
The utility model provides a double-sided water cooling structure for a bidirectional inverter motor controller, which comprises a water cooling shell, an IGBT module and an even number of IGBT single tubes; a cavity is arranged in the middle of the water-cooling shell, a water channel plate is horizontally arranged in the middle of the cavity, and a water flowing groove penetrating through the water channel plate in the thickness direction is formed in one end of the water channel plate; the IGBT module is hermetically connected with the top of the cavity and defines an upper runner together with the water channel plate; the bottom of the cavity is hermetically connected with a water-cooling cover plate, and the water-cooling cover plate and the water channel plate define a lower flow channel together; the IGBT single tube is arranged at the bottom of the water-cooling cover plate; and a water inlet joint and a water outlet joint are arranged on one side surface of the water-cooling shell, which is far away from the launder, the water inlet joint is communicated with the upper runner, and the water outlet joint is communicated with the lower runner. The utility model adopts a double-layer flow passage structure to realize double-sided cooling, thereby improving the heat dissipation efficiency of the controller; and the double-layer flow channel fully utilizes the inner space of the water-cooling shell, thereby reducing the volume and the mass of the controller.
Description
Technical Field
The utility model relates to a controller technical field, concretely relates to a two-sided water-cooling structure for two-way inverter motor controller.
Background
Compared with a pure electric new energy automobile, the extended-range new energy automobile has longer endurance mileage; compared with a plug-in hybrid electric vehicle, the hybrid electric vehicle has the advantages of relatively low matching requirement on a battery and a driving system and the like, and has bright development prospect in large and medium vehicle types. The power requirement on the bidirectional inverter motor is correspondingly improved, and the working state of the motor is determined by the heat dissipation capacity of the motor controller.
The heat radiation structure of the bidirectional inverter motor controller in the prior art generally adopts a single-layer liquid cooling structure, and for the controller with limited volume, the structure has large volume, limited installation, large mass, inconvenient movement and poor heat radiation effect, and the long-term use causes the performance reduction and the service life shortening of the controller, thereby influencing the normal work of the motor.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the above-mentioned prior art, the utility model provides a small, the quality is light, and the radiating effect is good be used for two-way inverter motor controller's two-sided water-cooling structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a double-sided water cooling structure for a bidirectional inverter motor controller comprises a water cooling shell, IGBT modules and an even number of IGBT single tubes;
a cavity is arranged in the middle of the water-cooling shell, a water channel plate is horizontally arranged in the middle of the cavity, and a water flowing groove penetrating through the water channel plate in the thickness direction is formed in one end of the water channel plate; the IGBT module is hermetically connected with the top of the cavity and defines an upper runner together with the water channel plate;
the bottom of the cavity is hermetically connected with a water-cooling cover plate, the water-cooling cover plate and the water channel plate jointly define a lower flow channel, and the lower flow channel is communicated with the upper flow channel through the launder;
the even number of IGBT single tubes are respectively arranged at the bottom of the water-cooling cover plate;
and a water inlet joint and a water outlet joint are arranged on one side surface of the water-cooling shell, which is far away from the launder, the water inlet joint is communicated with the upper runner, and the water outlet joint is communicated with the lower runner.
Further, a plurality of first heat dissipation pin needles are evenly distributed at the bottom of the IGBT module, and the lower ends of the first heat dissipation pin needles extend into the upper runner.
Furthermore, the bottom of the water-cooling cover plate is provided with a high-heat-conductivity limiting seat with a plurality of groups of limiting grooves along the length direction of the water-cooling cover plate, each group of the limiting grooves comprises two limiting grooves, and the two limiting grooves are correspondingly arranged along the width direction of the limiting seat; each limiting groove corresponds to one IGBT single tube, and the IGBT single tubes are arranged in the corresponding limiting grooves; four IGBT single tubes in two adjacent groups of limiting grooves are fixed on the water-cooling cover plate through a butterfly-shaped pressing sheet and a bolt, and the IGBT single tubes are located between the butterfly-shaped pressing sheet and the limiting seats.
Furthermore, a convex block is arranged in the middle of the top of the water-cooling cover plate along the length direction of the water-cooling cover plate, an even number of single IGBT tubes are symmetrically and uniformly distributed on two sides of the convex block, and the bolts sequentially penetrate through the butterfly-shaped pressing sheet, the limiting seat and the water-cooling cover plate and then are fixed in the convex block.
Furthermore, the top of water-cooling apron is equipped with the both sides of lug are equipped with a plurality of second heat dissipation pin needles respectively, the upper end of second heat dissipation pin needle stretches into in the lower runner.
Further, the IGBT module and the water-cooling cover plate are respectively connected with the cavity in a sealing mode through sealing rings.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a two-sided water-cooling structure for two-way inverter motor controller adopts double-deck runner structure to realize the single-pipe two-sided cooling of IGBT module and IGBT, has improved the radiating efficiency of controller greatly, has effectively reduced the influence of high temperature to the controller; and the double-layer flow channel fully utilizes the inner space of the water-cooling shell, thereby greatly reducing the volume and the quality of the controller and being convenient to install.
Drawings
Fig. 1 is an exploded view of an embodiment of the present invention;
fig. 2 is another exploded view of an embodiment of the present invention;
fig. 3 is a schematic bottom perspective view of an embodiment of the present invention;
fig. 4 is a schematic front perspective view of a water-cooling housing according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a back three-dimensional structure of the water-cooling housing according to an embodiment of the present invention.
In the figure: the heat dissipation device comprises 1-bolt, 2-hexagonal copper column, 3-butterfly-shaped pressing sheet, 4-IGBT single tube, 5-limiting seat, 6-water cooling cover plate, 7-water cooling shell, 8-IGBT module, 9-water outlet connector, 10-water inlet connector, 11-lug, 12-second heat dissipation pin, 13-first heat dissipation pin, 14-water outlet, 15-water channel plate, 16-water inlet, 17-launder and 18-cavity.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-5, a double-sided water-cooling structure for a bidirectional inverter motor controller comprises a water-cooling shell 7, an IGBT module 8 and an even number of IGBT single tubes 4;
specifically, a cavity 18 is arranged in the middle of the water-cooling shell 7, a water channel plate 15 is horizontally arranged in the middle of the cavity 18, and a water flowing groove 17 penetrating through the water channel plate 15 in the thickness direction is arranged at one end of the water channel plate 15;
the IGBT module 8 is hermetically connected with the top of the cavity 18 and defines an upper flow channel together with the water channel plate 15; the bottom of the cavity 18 is hermetically connected with a water-cooling cover plate 6, the water-cooling cover plate 6 and the water channel plate 15 jointly define a lower flow channel, and the lower flow channel is communicated with the upper flow channel through a water flowing groove 17;
a water inlet 16 is arranged at one end of the upper flow channel far away from the water flowing groove 17, and a water outlet 14 is arranged at one end of the lower flow channel far away from the water flowing groove 17;
the even number of IGBT single tubes 4 are respectively arranged at the bottom of the water-cooling cover plate 6;
a water inlet joint 10 and a water outlet joint 9 are arranged on one side surface of the water-cooling shell 7 away from the launder 17, the water inlet joint 10 is connected with a water inlet 16, and the water outlet joint 9 is connected with a water outlet 14; the water inlet joint 10 is connected with a water supply device, and the water outlet joint 9 is connected with a recovery device;
when the water supply device works, water is continuously fed into the upper flow channel through the water inlet connector 10 and the water inlet 16, and flows to the water flowing groove 17 through the upper flow channel, so that heat generated by the IGBT module 8 is taken away in the process, and the heat is dissipated for the IGBT module 8; the water flowing to the launder 17 through the upper runner flows into the lower runner, and the heat generated by the IGBT single tube 4 is conducted to the water in the lower runner through the water-cooling cover plate 6, so that the heat dissipation of the IGBT single tube 4 is realized; finally, water flows out through the water outlet 14 and the water outlet joint 9 and is recycled by the recycling device.
In an embodiment of the present invention, a plurality of first heat dissipation pins 13 are uniformly distributed at the bottom of the IGBT module 8, and a lower end of each first heat dissipation pin 13 is in an upper flow channel;
first heat dissipation pin 13 can accelerate the heat exchange of IGBT module 8 and runner normal water, improves IGBT module 8's radiating efficiency greatly, ensures its normal work.
Preferably, the bottom of the water-cooling cover plate 6 is provided with a high-heat-conductivity limiting seat 5 with a plurality of groups of limiting grooves along the length direction, each group of limiting grooves comprises two limiting grooves, and the two limiting grooves are correspondingly arranged along the width direction of the limiting seat; the heat generated by the IGBT single tube 4 is transferred to the water in the lower runner through the limiting seat 5 and the water-cooling cover plate 6; each limiting groove corresponds to one IGBT single tube 4, and the IGBT single tubes 4 are arranged in the corresponding limiting grooves to prevent the IGBT single tubes from being damaged due to position deviation in the moving process;
two sides of the water-cooling cover plate 6 are respectively fixedly connected with the cooling shell 4 through a plurality of hexagonal copper cylinders 2; four IGBT single tubes 4 in two adjacent groups of limiting grooves are fixed on a water-cooling cover plate 6 through a butterfly-shaped pressing sheet 3 and two bolts 1, and the IGBT single tubes 4 are positioned between the butterfly-shaped pressing sheet 3 and a limiting seat 5; the bolt 1 sequentially penetrates through the butterfly-shaped pressing sheet 3, the space between the two IGBT single tubes 4 of each group, the limiting seat 5 and the water-cooling cover plate 6, and firmly fixes the IGBT single tubes 4 in the limiting seat 5; the limiting seat 5 is further fixed on the water-cooling cover plate 6 through two independent bolts 1.
Furthermore, the middle of the top of the water-cooling cover plate 6 is provided with a bump 11 along the length direction, an even number of IGBT single tubes 4 are symmetrically and uniformly distributed on two sides of the bump 11, and the bolt 1 sequentially penetrates through the butterfly-shaped pressing sheet 3, the limiting seat 5 and the water-cooling cover plate 6 and then is fixed in the bump 11;
the setting of lug 11 has effectively increased the area of contact of bolt 1 with water-cooling apron 6, has increased the firm degree that IGBT single tube 4, butterfly preforming 3 and spacing seat 5 are connected with water-cooling apron 6.
Furthermore, a plurality of second heat dissipation pin needles 12 are respectively arranged on two sides of the top of the water-cooling cover plate 6, which are provided with the convex blocks 11, and the upper end of each second heat dissipation pin needle 12 extends into the lower runner;
the second heat dissipation pin 12 can accelerate the heat exchange between the water-cooling cover plate 6 and the limiting seat 5 and the water in the lower flow channel, greatly improve the heat dissipation efficiency of the IGBT single tube 4 and ensure the normal work of the IGBT single tube.
In the utility model discloses a further embodiment, IGBT module 8 and water-cooling apron 6 are respectively through sealing washer and 18 sealing connection of cavity, further ensure that the water in the upper and lower runner oozes, cause the damage to IGBT single tube 4 and IGBT module 8, influence controller normal use.
The utility model discloses a two-sided water-cooling structure for two-way inverter motor controller adopts double-deck runner structure to realize the single-pipe two-sided cooling of IGBT module and IGBT, has improved the radiating efficiency of controller greatly, has effectively reduced the influence of high temperature to the controller; and the double-layer flow channel fully utilizes the inner space of the water-cooling shell, thereby greatly reducing the volume and the quality of the controller and being convenient to install.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A double-sided water cooling structure for a bidirectional inverter motor controller is characterized by comprising a water cooling shell, IGBT modules and even number of IGBT single tubes;
a cavity is arranged in the middle of the water-cooling shell, a water channel plate is horizontally arranged in the middle of the cavity, and a water flowing groove penetrating through the water channel plate in the thickness direction is formed in one end of the water channel plate; the IGBT module is hermetically connected with the top of the cavity and defines an upper runner together with the water channel plate;
the bottom of the cavity is hermetically connected with a water-cooling cover plate, the water-cooling cover plate and the water channel plate jointly define a lower flow channel, and the lower flow channel is communicated with the upper flow channel through the launder;
the even number of IGBT single tubes are respectively arranged at the bottom of the water-cooling cover plate;
and a water inlet joint and a water outlet joint are arranged on one side surface of the water-cooling shell, which is far away from the launder, the water inlet joint is communicated with the upper runner, and the water outlet joint is communicated with the lower runner.
2. The double-sided water-cooling structure for the bidirectional inverter motor controller according to claim 1, wherein a plurality of first heat dissipation pin needles are uniformly distributed at the bottom of the IGBT module, and lower ends of the first heat dissipation pin needles extend into the upper flow channel.
3. The double-sided water-cooling structure for the bidirectional inverter motor controller according to claim 1, wherein the bottom of the water-cooling cover plate is provided with a high-thermal-conductivity limiting seat with a plurality of sets of limiting grooves along the length direction thereof, each set of the limiting grooves comprises two limiting grooves, and the two limiting grooves are correspondingly arranged along the width direction of the limiting seat; each limiting groove corresponds to one IGBT single tube, and the IGBT single tubes are arranged in the corresponding limiting grooves; four IGBT single tubes in two adjacent groups of limiting grooves are fixed on the water-cooling cover plate through a butterfly-shaped pressing sheet and a bolt, and the IGBT single tubes are located between the butterfly-shaped pressing sheet and the limiting seats.
4. The double-sided water-cooling structure for the bidirectional inverter motor controller as claimed in claim 3, wherein a protrusion is disposed in the middle of the top of the water-cooling cover plate along the length direction thereof, an even number of the IGBT single tubes are symmetrically and uniformly distributed on both sides of the protrusion, and the bolt sequentially passes through the butterfly-shaped pressing sheet, the limiting seat and the water-cooling cover plate and then is fixed in the protrusion.
5. The double-sided water-cooling structure for the bidirectional inverter motor controller according to claim 4, wherein a plurality of second heat dissipation pin needles are respectively disposed on two sides of the top of the water-cooling cover plate, where the protrusion is disposed, and upper ends of the second heat dissipation pin needles extend into the lower runner.
6. The double-sided water-cooling structure for the bidirectional inverter motor controller according to claim 1, wherein the IGBT module and the water-cooling cover plate are hermetically connected to the cavity by a sealing ring, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020636284.4U CN211959901U (en) | 2020-04-24 | 2020-04-24 | Double-sided water cooling structure for bidirectional inverter motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020636284.4U CN211959901U (en) | 2020-04-24 | 2020-04-24 | Double-sided water cooling structure for bidirectional inverter motor controller |
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| CN211959901U true CN211959901U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020636284.4U Active CN211959901U (en) | 2020-04-24 | 2020-04-24 | Double-sided water cooling structure for bidirectional inverter motor controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112770596A (en) * | 2020-12-02 | 2021-05-07 | 合肥巨一动力***有限公司 | Integrated heat pipe heat dissipation water channel structure applied to double-motor controller |
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2020
- 2020-04-24 CN CN202020636284.4U patent/CN211959901U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112770596A (en) * | 2020-12-02 | 2021-05-07 | 合肥巨一动力***有限公司 | Integrated heat pipe heat dissipation water channel structure applied to double-motor controller |
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