CN204291728U - Water-cooling plate, water-cooling assembly and comprise the equipment of this water-cooling assembly - Google Patents

Water-cooling plate, water-cooling assembly and comprise the equipment of this water-cooling assembly Download PDF

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Publication number
CN204291728U
CN204291728U CN201420786261.6U CN201420786261U CN204291728U CN 204291728 U CN204291728 U CN 204291728U CN 201420786261 U CN201420786261 U CN 201420786261U CN 204291728 U CN204291728 U CN 204291728U
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China
Prior art keywords
water
cooling
plate
outlet
lug boss
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CN201420786261.6U
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Chinese (zh)
Inventor
李艳波
孙永贤
潘宇
王晓辉
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Beiqi Foton Motor Co Ltd
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Beiqi Foton Motor Co Ltd
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Abstract

The utility model discloses a kind of water-cooling plate, water-cooling assembly and comprise the equipment of this water-cooling assembly, water-cooling plate comprises: body, water entering section and outlet part, wherein: described body has first surface and second surface, described first surface is used for arranging device to be cooled, to make described device cooling to be cooled; Described second surface is distributed with some lug bosses, and the gap between each described lug boss forms water channel, and described water entering section is communicated with described outlet part fluid by described water channel.The utility model radiating effect is better, carries out cooling provide advantage for efficiently treating cooling device.

Description

Water-cooling plate, water-cooling assembly and comprise the equipment of this water-cooling assembly
Technical field
The utility model relates to water cooling plant, particularly relates to a kind of water-cooling plate, water-cooling assembly and comprises the equipment of this water-cooling assembly.
Background technology
New-energy automobile is the major power device in electric machine controller with electric machine controller Primary Component IGBT (Insulated Gate BipolarTrans istor, insulated gate bipolar transistor), and during its work, heat dissipation capacity is very large.The heat radiation of current domestic new-energy automobile electric machine controller has air-cooled and water-cooled two kinds of forms, wind-cooling heat dissipating wherein due to volume comparatively large, radiating effect is poor, applies less, and therefore the range of application of water-cooling is relative wider.Water-cooling radiating structure generally includes water inlet and delivery port, and form water channel by the obstruct of water channel isolation channel, water channel is provided with the cover plate fixed by screw.Cooling water enters water channel from water inlet, and by being taken away by the heat of the IGBT be positioned at above water channel, the cooling water after intensification is from delivery port outflow motor controller.Prior art forms water channel by splitter in addition, after flowing into water channel by water inlet, because cooling water temperature increases gradually, water channel back segment cooling effect reduces gradually, therefore the region radiates heat effect that can dispel the heat of water channel back segment declines, and causes the radiating effect of IGBT each several part uneven simultaneously, and water channel and cooling water contact area limited, radiating efficiency is low, directly affects the operating efficiency of IGBT.
Therefore wish a kind of technical scheme to overcome or at least to alleviate in the above-mentioned defect of prior art one or more.
Utility model content
The purpose of this utility model is the water-cooling plate after providing a kind of improvement, water-cooling assembly and comprises the equipment of this water-cooling assembly.
For achieving the above object, the utility model provides a kind of water-cooling plate, and it comprises: body, water entering section and outlet part, wherein: described body has first surface and second surface, described first surface is used for arranging device to be cooled, to make described device cooling to be cooled; Described second surface is distributed with some lug bosses, and the gap between each described lug boss forms water channel, and described water entering section is communicated with described outlet part fluid by described water channel.
Further, each described lug boss is interspersed at described second surface.
Further, described lug boss is round table-like.
Further, the freeboard of described outlet part is higher than described water channel.
Further, described water entering section comprises the frid of U-shaped profile, its be connected with one end of described first surface and apical side height higher than described second surface; Described outlet part comprises the frid of U-shaped profile, its be connected with the other end of described first surface and apical side height higher than described second surface.
Further, described body, described lug boss, described water entering section and described outlet part are one-body molded.
Because the utility model have employed the mode that multi-lobe forms water channel, cooling water just can pass through water entering section, enter into described water channel, the heat conduction of device to be cooled is to second surface, first surface and each lug boss is delivered to again by second surface, a part of heat absorption on first surface and each lug boss can temperature raise by the cooling water now entered in described water channel, and discharged by outlet part, repeat said process, just can effectively treat cooling device to lower the temperature, compared to the water channel that water channel isolation channel of the prior art or splitter are formed, the water channel area formed by lug boss provided by the utility model is larger, when water velocity is identical, the larger thermal conduction effect of contact area is better, radiating effect is also better, carry out cooling provide advantage for efficiently treating cooling device.
The utility model also provides a kind of water-cooling assembly, and comprise the described water-cooling plate in cover plate and the various embodiments described above, described cover plate is placed on the second surface in described water-cooling plate, jointly forms airtight chamber with described water-cooling plate.
Further, described cover plate and described second surface are fitted substantially.
The utility model also provides a kind of equipment comprising water-cooling assembly, and described water-cooling assembly is the water cooling radiating subassembly in the various embodiments described above.
Further, the first surface in described water cooling radiating subassembly is equipped with heat-conducting layer.
Further, described equipment is automotive motor controller, and described automotive motor controller comprises housing and IGBT, and the base plate of described housing is described water-cooling assembly, and described IGBT is device to be cooled.
Accompanying drawing explanation
Fig. 1 is the structural representation of water-cooling assembly one embodiment provided by the utility model;
Fig. 2 is the water channel distribution schematic diagram on a second surface in Fig. 1.
Reference numeral:
1 Body 2 Water entering section
3 Outlet part 4 Lug boss
5 Cover plate 6 Airtight chamber
11 First surface 12 Second surface
21 Frid 22 Water inlet
31 Frid 32 Water inlet
A Device to be cooled
Embodiment
The object implemented for making the utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technical scheme in the utility model embodiment.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection range can not be interpreted as.
Shown in Fig. 1 is that water-cooled is fallen apart the structural representation of radiating subassembly one embodiment.As shown in Figure 1, the water-cooling plate that the present embodiment provides comprises: body 1, water entering section 2 and outlet part 3, wherein: body 1 has first surface 11 and second surface 12, first surface 11 is for arranging device A to be cooled, that is, first surface 11 directly installs device A to be cooled, and the heat of device A to be cooled is sent to second surface 12 by heat trnasfer, then is delivered to first surface 11 by second surface 12.Second surface 12 is distributed with some lug bosses 4, and the gap between each lug boss 4 forms water channel, and water entering section 2 is communicated with outlet part 3 fluid by described water channel.
Utilize this structure, cooling water just can pass through water entering section 2, enter into described water channel, the heat conduction of device A to be cooled is to second surface 12, first surface 11 and each lug boss 4 is transmitted to again by second surface 12, a part of heat absorption on first surface 11 and each lug boss 4 temperature can be raised, and be discharged by outlet part 3 by the cooling water now entered in described water channel.Repeat said process, just effectively can treat cooling device A and lower the temperature.Compared to the water channel that water channel isolation channel of the prior art or splitter are formed, the water channel area formed by lug boss provided by the utility model is larger, when water velocity is identical, the larger thermal conduction effect of contact area is better, radiating effect is also better, carries out cooling provide advantage for efficiently treating cooling device.
In above-described embodiment, each lug boss 4 is interspersed at second surface 12, forms heat dissipation region.This mode be interspersed can bring the advantage of two aspects:
One, the current water channel through front row just in time with after the lug boss 4 arranged clash, that is, the lug boss 4 of rear row becomes " barrier " of current, current are made to produce the component velocity being different from flow direction, thus produce much little turbulent flow, make the flowing through channel of current increase simultaneously, in a disguised form increase the contact area of current, add water resistance.
Two, when flow of cooling water, because liquid has viscosity, the liquid particle being close to the wall of lug boss 4 will be pasted and be attached on the wall of lug boss 4, and flow rate of liquid is increased to main flow flow velocity from the null value the wall of lug boss 4, forms certain current gradient.According to the law that rubs in newton, the existence of this current gradient just can cause the friction shear force of adjacent layer liquid part, i.e. water resistance.
The water resistance of above-mentioned formation is larger, then the pressure differential in flow of cooling water direction is larger, thus water velocity can be made larger, so make cooling water can quickly by exchange heat in cooling water.
Lug boss 4 can be shaping with body 1 integrated die-casting, by controlling the gap length between the height of lug boss 4 and lug boss 4, can control the pressure differential of water resistance.In the present embodiment, lug boss 4 in round table-like, also can adopt other shape, but compared to other shapes, round table-like can have the simple advantage of processing technology.
In the various embodiments described above, the freeboard of outlet part 3 is higher than described water channel, and that is, the freeboard of outlet part 3 is higher than second surface 12.In this set situation, even if be mixed into a small amount of bubble in cooling water, bubble will be greater than the double action of the heat dissipation region that water channel is formed due to the gravity of himself and the pressure of water entering section 2, the bubble be mixed into can be discharged from outlet part 3 relatively easily, thus the situation that the heat dissipation region local temperature that occurs causing because of bubble residence can be avoided higher occur.
As a kind of preferred implementation of water entering section 2 and outlet part 3, water entering section 2 and outlet part 3 lay respectively at the two ends of body 1.
Particularly, water entering section 2 comprises frid 21 and offers the water inlet 22 of frid 21 side.The U-shaped profile of frid 21, its be connected with one end of first surface 11 and apical side height higher than second surface 12, define catch basin between the water channel that now frid 21 is formed at water inlet 22 and lug boss 4.When cooling water enters catch basin by water inlet 22, because the pressure differential of water resistance exists, cooling water can first be accumulated in catch basin, when after cooling water in catch basin fills under the effect of water resistance pressure differential, be pressed in the water channel formed by lug boss 4, the water channel of cooling water flow through more being formed by lug boss 4 can be made like this, thus heat dissipation region can be made larger and evenly.
Similarly, outlet part 3 comprises frid 31 and offers the delivery port 32 of frid 31 side.The U-shaped profile of frid 31, its be connected with the other end of first surface 11 and apical side height higher than second surface 12.This version main purpose is to make the freeboard of delivery port 32 higher than described water channel.
In the various embodiments described above, body 1, lug boss 4, water entering section 2 and outlet part 3 are one-body molded, are formed wavy, such as shape.This integral forming process can adopt the existing techniques such as die casting to realize, and this processing technology can save processing cost, is convenient to produce, enhances productivity.
The utility model also provides a kind of water-cooling assembly, it comprises the water-cooling plate in cover plate 5 and the various embodiments described above, cover plate 5 is placed on the second surface 12 in water-cooling plate, and cover plate 5 and water-cooling plate seal and combine, and jointly form airtight chamber 6 with water-cooling plate.Certainly, cover plate 5 and second surface 12 are fitted substantially, can avoid the excessive impact heat radiation in airtight chamber 6 space like this.
The utility model also provides a kind of equipment comprising water-cooling assembly, and described water-cooling assembly is the water cooling radiating subassembly in the various embodiments described above.
Certainly, in order to improve heat conductivility of the present utility model, heat-conducting layer can also be equipped with, the heat-conducting layer that the good materials of heat-conducting effect such as such as heat-conducting silicone grease are made by the first surface 11 in water cooling radiating subassembly.
The above-mentioned equipment comprising water-cooling assembly can be automotive motor controller, such as new-energy automobile electric machine controller.Described automotive motor controller comprises housing and IGBT, and the base plate of described housing is set to the described water-cooling assembly in the various embodiments described above, and described IGBT is device A to be cooled.Effectively can improve the rate of heat exchange between lug boss and cooling water by described water-cooling assembly, for efficiently carrying out cooling to IGBT provides advantage, thus ensure the heat radiation of IGBT, and then guarantee the operating efficiency of IGBT.The other parts of described automotive motor controller are prior art, no longer launch to describe at this.
Finally it is to be noted: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit.Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.

Claims (11)

1. a water-cooling plate, it is characterized in that, comprise: body (1), water entering section (2) and outlet part (3), wherein: described body (1) has first surface (11) and second surface (12), described first surface (11), for arranging device to be cooled (A), is lowered the temperature to make described device to be cooled (A); Described second surface (12) is distributed with some lug bosses (4), gap between each described lug boss (4) forms water channel, and described water entering section (2) is communicated with described outlet part (3) fluid by described water channel.
2. water-cooling plate as claimed in claim 1, it is characterized in that, each described lug boss (4) is interspersed at described second surface (12).
3. water-cooling plate as claimed in claim 2, it is characterized in that, described lug boss (4) is in round table-like.
4. water-cooling plate as claimed any one in claims 1 to 3, it is characterized in that, the freeboard of described outlet part (3) is higher than described water channel.
5. water-cooling plate as claimed in claim 4, it is characterized in that, described water entering section (2) comprises the frid (21) of U-shaped profile, its be connected with one end of described first surface (11) and apical side height higher than described second surface (12); Described outlet part (3) comprises the frid (31) of U-shaped profile, its be connected with the other end of described first surface (11) and apical side height higher than described second surface (12).
6. water-cooling plate as claimed in claim 5, it is characterized in that, described body (1), described lug boss (4), described water entering section (2) and described outlet part (3) are one-body molded.
7. a water-cooling assembly, it is characterized in that, comprise cover plate (5) and the water-cooling plate according to any one of claim 1 to 6, described cover plate (5) is placed on the second surface (12) in described water-cooling plate, jointly forms airtight chamber (6) with described water-cooling plate.
8. water-cooling assembly as claimed in claim 7, is characterized in that, described cover plate (5) and described second surface (12) are fitted substantially.
9. comprise an equipment for water-cooling assembly, it is characterized in that, described water-cooling assembly is water cooling radiating subassembly as claimed in claim 7 or 8.
10. comprise the equipment of water-cooling assembly as claimed in claim 9, it is characterized in that, the first surface (11) in described water cooling radiating subassembly is equipped with heat-conducting layer.
11. equipment comprising water-cooling assembly as claimed in claim 10, it is characterized in that, described equipment is automotive motor controller, described automotive motor controller comprises housing and IGBT, the base plate of described housing is described water-cooling assembly, and described IGBT is device to be cooled (A).
CN201420786261.6U 2014-12-11 2014-12-11 Water-cooling plate, water-cooling assembly and comprise the equipment of this water-cooling assembly Active CN204291728U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420786261.6U CN204291728U (en) 2014-12-11 2014-12-11 Water-cooling plate, water-cooling assembly and comprise the equipment of this water-cooling assembly

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Application Number Priority Date Filing Date Title
CN201420786261.6U CN204291728U (en) 2014-12-11 2014-12-11 Water-cooling plate, water-cooling assembly and comprise the equipment of this water-cooling assembly

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CN204291728U true CN204291728U (en) 2015-04-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108987006A (en) * 2018-08-01 2018-12-11 株洲中车奇宏散热技术有限公司 A kind of the ship resistor disc water-cooling method and insulated water-cooling resistor of seawater corrosion resistance
CN110165355A (en) * 2019-07-02 2019-08-23 电子科技大学 A kind of 3D printing integral heat radiator and its application in phased array antenna

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108987006A (en) * 2018-08-01 2018-12-11 株洲中车奇宏散热技术有限公司 A kind of the ship resistor disc water-cooling method and insulated water-cooling resistor of seawater corrosion resistance
CN108987006B (en) * 2018-08-01 2021-07-30 株洲中车奇宏散热技术有限公司 Seawater corrosion resistant ship resistor disc water cooling method and insulating water-cooled resistor
CN110165355A (en) * 2019-07-02 2019-08-23 电子科技大学 A kind of 3D printing integral heat radiator and its application in phased array antenna

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