CN105636402A - Water-cooled heat radiation structure of driving motor and motor controller - Google Patents
Water-cooled heat radiation structure of driving motor and motor controller Download PDFInfo
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- CN105636402A CN105636402A CN201410589700.9A CN201410589700A CN105636402A CN 105636402 A CN105636402 A CN 105636402A CN 201410589700 A CN201410589700 A CN 201410589700A CN 105636402 A CN105636402 A CN 105636402A
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Abstract
The invention discloses a water-cooled heat radiation structure of a driving motor and a motor controller. The water-cooled heat radiation structure comprises a cooling medium inlet, a cooling medium outlet, a high-pressure area which is arranged at the side of the cooling medium inlet, a low-pressure area which is arranged at the side of the cooling medium outlet, and at least two cooling channels which are arranged between the high-pressure area and the low-pressure area, wherein the high-pressure area is composed of a secondary high-pressure area and a primary high-pressure area. The cooling medium inlet, the secondary high-pressure area and the primary high-pressure area are successively configured linearly along the flowing direction of the cooling medium. The cooling channels are blocked with one another through separator plates. Furthermore each cooling channel is internally provided with a group of diversion ribs for increasing channel resistance. According to the water-cooled heat radiation structure, a method of increasing the channel resistance is utilized and multiple flowing resistance of the channel paths are designed so that the cooling medium uniformly flows over each channel for preventing heat accumulation at tail part of an existing single-path channel. Furthermore compared with a traditional heat radiation structure, the water-cooled heat radiation structure has an advantage of no additional cost increase.
Description
Technical field
The present invention relates to automobile manufacturing field, especially relate to cooling requirements high, the occasion that temperature-controlled precision is higher uses, the concrete electric machine controller that can be used for pure electric automobile, and in the drive motor of hybrid vehicle.
Background technology
Along with the development of hybrid vehicle and pure electric automobile, drive motor and electric machine controller are subject to it in the space restriction that car load front deck is arranged, just more and more less towards volume, the increasing direction of power is developed. Particularly on hybrid vehicle, drive motor is often arranged between the engine and the gearbox, it is subject to thermal-radiating impact during electromotor work, working environment is very severe, its heat dissipation design is just had higher requirement by this, compared to pure electric automobile, the working environment of electric machine controller is also such.
Inside drive motor and electric machine controller, owing to power density promotes, its heat density also promotes accordingly. When drive motor and electric machine controller are operated at full capacity; substantial amounts of heat can be supervened; this partial heat is as derived not in time; can be presented as that drive motor and controller carry out self-protection at once; thus limiting output to reduce the heat produced; thus car load can be driven and bring impact, it is possible to relevant requirement parameter value can not reached. If such for a long time, the life-span of drive motor and electric machine controller can be caused expendable impact, even damage.
Current existing water-cooling radiating structure is the waterway circulating adopting unipath formula, and its structure is referring to Fig. 1 and Fig. 2 of Figure of description. But said structure is along with flowing through the carrying out of heat exchange on path, more to lane exit end, temperature is more and more higher, and uneven phenomenon of dispelling the heat is obvious all the more.
In consideration of it, how to dispel the heat efficiently, the cost simultaneously not increasing product has become those skilled in the art's problem demanding prompt solution.
Summary of the invention
In order to overcome above-mentioned technical problem, it is an object of the invention to provide a kind of novel multi-path formula water-cooling radiating structure, solve the problem that the formula cooling water channel heat radiation of existing unipath is uneven, and will not additionally increase cost.
In order to solve above-mentioned technical problem, the technical scheme that the present invention takes is: the water-cooling radiating structure of a kind of drive motor and electric machine controller, export including cooling medium entrance and cooling medium, it is arranged on the high-pressure area of cooling medium inlet side, it is arranged on the lower pressure region of cooling medium outlet side, and is arranged at least two coolant flow channel between high-pressure area and lower pressure region. Wherein, high-pressure area is made up of second highest pressure span and high pressure region, and above-mentioned cooling medium entrance, second highest pressure span and high pressure region are along the flow direction sequentially straight line of cooling medium. Pass through dividing plate between each coolant flow channel isolated from one another, and in each coolant flow channel, be respectively arranged with one group of water conservancy diversion rib for increasing flow passage resistance force of waterproof. Preferably, cooling medium along cooling medium entrance, second highest pressure span, high pressure region the arragement direction of flow direction and coolant flow channel orthogonal.
Adopt technique scheme, by changing traditional unipath water channel into multi-path water channel, to avoid the problem that tradition unipath runner afterbody heat is concentrated, and after cooling medium is entered from cooling medium entrance, form second highest pressure span and high pressure region, and reaching the purpose of flow velocity in balanced each coolant flow channel by the layout of water conservancy diversion rib so that cooling medium uniform flows each coolant flow channel, it is prevented that the generation of amount of localized heat redundancy.
In order to increase the resistance of runner so that the cooling medium flow velocity of each coolant flow channel is mutually balanced, water conservancy diversion rib misaligned interval on the inwall of each coolant flow channel is arranged. additionally, in view of the entrance of cooling medium flings high pressure region, the flow direction at cooling medium is made to be sequentially formed second highest pressure span and high pressure region, and high pressure region is to the flowing velocity of lower pressure region cooling medium, more faster toward the flowing velocity of lower pressure region cooling medium than second highest pressure span, therefore the heat taken away is also more, if the position of each coolant flow channel Inner guide rib is identical, then still can cause the redundancy of heat, cause heat radiation inequality, therefore the water conservancy diversion rib quantity of coolant flow channel when design, along high pressure region to second highest pressure region direction, from many to few arrangement. concrete, the quantity of water conservancy diversion rib and position can be arranged one by one according to the flow velocity of each coolant flow channel, to reach the effect of balanced each coolant flow channel flow velocity.
As the present invention one preferred embodiment, coolant flow channel is provided with five, distinguishes corresponding first coolant flow channel, the second coolant flow channel, the 3rd coolant flow channel, the 4th coolant flow channel and the 5th coolant flow channel from top to bottom. The water conservancy diversion rib of the first coolant flow channel is provided with 7, and the water conservancy diversion rib of the second coolant flow channel is provided with 5, and the water conservancy diversion rib of the 3rd coolant flow channel is provided with 5, and the water conservancy diversion rib of the 4th coolant flow channel is provided with 4, and the water conservancy diversion rib of the 5th coolant flow channel is provided with 3.
Beneficial effects of the present invention: the present invention is by changing traditional unipath water channel into multi-path water channel, solve the problem that existing unipath runner afterbody heat is concentrated, the tandem that its principle is similar in circuit changes into parallel, considering cooling medium entrance, cooling medium outlet in the difference of complete machine position, the method taking to increase flow passage resistance force of waterproof, design the flow resistance of each multi-path runner, make cooling medium uniform flow each runner to avoid the heat of existing unipath runner afterbody to concentrate. Further, by cooling medium along cooling medium entrance, second highest pressure span, high pressure region the orthogonal layout of arragement direction of flow direction and coolant flow channel, after cooling medium is entered from cooling medium entrance, sequentially form second highest pressure span and high pressure region, and reach the purpose of flow velocity in balanced each coolant flow channel by the layout of water conservancy diversion rib, cooling medium is made to uniform flow each coolant flow channel, it is prevented that the generation of amount of localized heat redundancy. Further, the quantity of water conservancy diversion rib and position are arranged one by one according to the flow velocity of each coolant flow channel, to reach the purpose of each coolant flow channel flow velocity balanced.
Below with reference to drawings and Examples, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the expanded view of a kind of existing unipath formula drive motor water-cooling radiating structure in background technology.
Fig. 2 is the expanded view of another kind of existing unipath formula drive motor water-cooling radiating structure in background technology.
Fig. 3 is the structural representation of the present invention, illustrates that the deployed condition of water-cooling radiating structure in figure.
In figure, 1, cooling medium entrance; 2, dividing plate; 3, cooling medium outlet; 4, high pressure region; 5, second highest pressure span; 6, lower pressure region; 7, water conservancy diversion rib; 8, high-pressure area; 9, coolant flow channel; 91, the first coolant flow channel; 92, the second coolant flow channel; 93, the 3rd coolant flow channel; 94, the 4th coolant flow channel; 95, the 5th coolant flow channel; 1 ', cooling medium entrance of the prior art; 2 ', dividing plate of the prior art; 3 ', cooling medium of the prior art outlet.
Detailed description of the invention
See also and illustrate existing two kinds of unipath formula water-cooling radiating structures in Fig. 1 to 2, figure, i.e. spiral type and S shape, both of which can form continuous print cooling medium path, but all there is the problem that runner afterbody heat is concentrated.
Embodiment, refer to Fig. 3, a kind of water-cooling radiating structure of drive motor and electric machine controller, 3 are exported including cooling medium entrance 1 and cooling medium, it is arranged on the high-pressure area 8 of cooling medium entrance 1 side, it is arranged on cooling medium and exports the lower pressure region 6 of 3 sides, and be arranged on five coolant flow channels 9 between high-pressure area 8 and lower pressure region 6.
Wherein, high-pressure area 8 is made up of second highest pressure span 5 and high pressure region 4, cooling medium entrance 1, second highest pressure span 5 and high pressure region 4 are along the flow direction sequentially straight line of cooling medium, and the direction of this straight line is orthogonal with the arragement direction of coolant flow channel 9.
Pass through dividing plate 2 between above-mentioned five coolant flow channels 9 isolated from one another, and in each coolant flow channel 9, be respectively arranged with one group of water conservancy diversion rib 7 for increasing flow passage resistance force of waterproof. Water conservancy diversion rib 7 misaligned interval on the inwall of coolant flow channel 9 is arranged.
Coolant flow channel 9 distinguishes corresponding first coolant flow channel the 91, second coolant flow channel the 92, the 3rd coolant flow channel the 93, the 4th coolant flow channel 94 and the 5th coolant flow channel 95 from top to bottom. The water conservancy diversion rib of the first coolant flow channel 91 is provided with 7, the water conservancy diversion rib of the second coolant flow channel 92 is provided with 5, the water conservancy diversion rib of the 3rd coolant flow channel 93 is provided with 5, and the water conservancy diversion rib of the 4th coolant flow channel 94 is provided with 4, and the water conservancy diversion rib of the 5th coolant flow channel 95 is provided with 3.
During work, owing to cooling medium entrance 1 flings high pressure region 4, after cooling medium is entered from cooling medium entrance 1, sequentially form second highest pressure span 5 and high pressure region 4, thinking according to equivalent ohmic law, second highest pressure span 5, all can flow to lower pressure region 6 in high pressure region 4, and the flowing velocity that cooling medium is along high pressure region 4 to lower pressure region 6, can be faster along second highest pressure span 5 to the flowing velocity of lower pressure region 6 than cooling medium, within the unit interval, the more big flow of flow velocity is more big, so may result in multi-path the many of cooling medium flowing in the first coolant flow channel 91 to the five coolant flow channel 95, heat is pulled away more, 5th coolant flow channel 95 will result in heat redundancy, and then bring the heat radiation of complete machine uneven. so increasing the water conservancy diversion rib 7 shown in Fig. 3 in first coolant flow channel the 91, second coolant flow channel the 92, the 3rd coolant flow channel the 93, the 4th coolant flow channel 94 and the 5th coolant flow channel 95, in order to increase the resistance of runner, make each runner coupling by resistance, changing the cooling medium flow velocity through each runner, the flow velocity making each passage is balanced. owing to the cooling medium flow velocity of the first coolant flow channel 91 is the fastest, so it needs the water conservancy diversion rib increased also maximum, 5th coolant flow channel 95 cooling medium flowing is the most slow, the water conservancy diversion rib increased is also minimum, by the layout illustrated, the flow velocity making first coolant flow channel the 91, second coolant flow channel the 92, the 3rd coolant flow channel the 93, the 4th coolant flow channel 94 and the 5th coolant flow channel 95 is of substantially equal, can take away complete machine heat uniformly.
Above example simply elaborates the ultimate principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various conversion; as increased the quantity of coolant flow channel; or changing the particular location of cooling medium entrance and cooling medium outlet etc., these conversion are regarded as falling within the claimed scope of the invention.
Claims (5)
1. the water-cooling radiating structure of a drive motor and electric machine controller, (3) are exported including cooling medium entrance (1) and cooling medium, it is characterized in that: also include being arranged on the high-pressure area (8) of cooling medium entrance (1) side, it is arranged on the lower pressure region (6) of cooling medium outlet (3) side, and is arranged at least two coolant flow channel (9) between described high-pressure area (8) and lower pressure region (6); Described high-pressure area (8) is made up of second highest pressure span (5) and high pressure region (4); Pass through dividing plate (2) between each coolant flow channel (9) isolated from one another, and in each coolant flow channel (9), be respectively arranged with one group of water conservancy diversion rib (7) for increasing flow passage resistance force of waterproof.
2. the water-cooling radiating structure of drive motor as claimed in claim 1 and electric machine controller, it is characterised in that: described cooling medium entrance (1), second highest pressure span (5) and high pressure region (4) are along the flow direction sequentially straight line of cooling medium.
3. the water-cooling radiating structure of drive motor as claimed in claim 1 and electric machine controller, it is characterised in that: described water conservancy diversion rib (7) misaligned interval on the inwall of coolant flow channel (9) is arranged.
4. the water-cooling radiating structure of drive motor as claimed in claim 1 and electric machine controller, it is characterized in that: water conservancy diversion rib (7) quantity of described coolant flow channel (9), along high pressure region (4) to second highest pressure span (4) direction, from many to few arrangement.
5. the water-cooling radiating structure of drive motor as described in any one of Claims 1-4 and electric machine controller, it is characterized in that: described coolant flow channel (9) is provided with five, distinguish corresponding first coolant flow channel (91), the second coolant flow channel (92), the 3rd coolant flow channel (93), the 4th coolant flow channel (94) and the 5th coolant flow channel (95) from top to bottom; The water conservancy diversion rib of the first coolant flow channel (91) is provided with 7, the water conservancy diversion rib of the second coolant flow channel (92) is provided with 5, the water conservancy diversion rib of the 3rd coolant flow channel (93) is provided with 5, the water conservancy diversion rib of the 4th coolant flow channel (94) is provided with 4, and the water conservancy diversion rib of the 5th coolant flow channel (95) is provided with 3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410589700.9A CN105636402B (en) | 2014-10-28 | 2014-10-28 | A kind of water-cooling radiating structure of motor and electric machine controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410589700.9A CN105636402B (en) | 2014-10-28 | 2014-10-28 | A kind of water-cooling radiating structure of motor and electric machine controller |
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| CN105636402A true CN105636402A (en) | 2016-06-01 |
| CN105636402B CN105636402B (en) | 2018-01-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112969337A (en) * | 2021-02-01 | 2021-06-15 | 中节能宁夏新能源股份有限公司 | Cooling method for super-calculation data center |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101167184A (en) * | 2005-04-21 | 2008-04-23 | 日本轻金属株式会社 | Liquid-cooled jacket |
| JP2008103400A (en) * | 2006-10-17 | 2008-05-01 | T Rad Co Ltd | Watercooled heat sink and manufacturing method thereof |
| CN101548589A (en) * | 2007-01-26 | 2009-09-30 | 爱信艾达株式会社 | Heat generation body cooling structure and drive device |
| CN102138057A (en) * | 2008-07-24 | 2011-07-27 | 丰田自动车株式会社 | Heat exchanger and method of manufacturing same |
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2014
- 2014-10-28 CN CN201410589700.9A patent/CN105636402B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101167184A (en) * | 2005-04-21 | 2008-04-23 | 日本轻金属株式会社 | Liquid-cooled jacket |
| JP2008103400A (en) * | 2006-10-17 | 2008-05-01 | T Rad Co Ltd | Watercooled heat sink and manufacturing method thereof |
| CN101548589A (en) * | 2007-01-26 | 2009-09-30 | 爱信艾达株式会社 | Heat generation body cooling structure and drive device |
| CN102138057A (en) * | 2008-07-24 | 2011-07-27 | 丰田自动车株式会社 | Heat exchanger and method of manufacturing same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112969337A (en) * | 2021-02-01 | 2021-06-15 | 中节能宁夏新能源股份有限公司 | Cooling method for super-calculation data center |
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Address after: 241000 No. 226 Jin Hua Nan Road, Yijiang hi tech Industrial Development Zone, Anhui, Wuhu Patentee after: Chery New Energy Automobile Co.,Ltd. Address before: 241000 No. 226 Hua Jin South Road, Yijiang District, Anhui, Wuhu Patentee before: CHERY NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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