CN109756072A - A kind of New-type electric machine liquid cooling system - Google Patents

A kind of New-type electric machine liquid cooling system Download PDF

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Publication number
CN109756072A
CN109756072A CN201811651686.5A CN201811651686A CN109756072A CN 109756072 A CN109756072 A CN 109756072A CN 201811651686 A CN201811651686 A CN 201811651686A CN 109756072 A CN109756072 A CN 109756072A
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CN
China
Prior art keywords
cover board
base
rear end
end cap
water channel
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Granted
Application number
CN201811651686.5A
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Chinese (zh)
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CN109756072B (en
Inventor
胡吉亮
严伟灿
王国龙
李亚丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wolong Electric Drive Group Co Ltd
Shaoxing Oli Wolong Vibration Machinery Co Ltd
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Wolong Electric Group Co Ltd
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Publication of CN109756072A publication Critical patent/CN109756072A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/64Electric machine technologies in electromobility

Abstract

The invention discloses a kind of New-type electric machine liquid cooling systems, are related to the liquid cooling system field of motor.Currently, the liquid cooling system of motor on base mainly to be directly poured the structure type of water outlet water channel, casting technique is complicated, and qualified casting is low, can only radiate to motor body.Liquid cooling system component of the invention includes drive end bearing bracket, rear end cap, base between drive end bearing bracket and rear end cap, cover board is equipped on the outside of rear end cap, controller is equipped on the outside of cover board, drive end bearing bracket is imported and exported equipped with coolant liquid, base is equipped with base water channel circuit, rear end cap is equipped with 2 coolant liquid via holes, cover board is equipped with the cover board water channel for cooling controller, formation carries out cooling cooling system circuit to motor body and controller, have effectively achieved the liquid-cooling heat radiation to motor body and controller, cooling system structure is more compact, keep motor operation more reliable and more stable, motor cost is effectively reduced.

Description

A kind of New-type electric machine liquid cooling system
Technical field
The present invention relates to the liquid cooling system field of motor more particularly to a kind of New-type electric machine liquid cooling systems.
Background technique
Currently, the liquid cooling system of motor mainly on base directly casting water outlet water channel structure type, the structure Major defect is casting technique complexity, and qualified casting is low, eventually leads to the higher cost of liquid cooling structure.And in liquid cooling function On can only radiate to motor body, there is no to electric machine controller carry out liquid-cooling heat radiation correlation function.
Summary of the invention
The technical problem to be solved in the present invention and the technical assignment of proposition are to be improved and improved to prior art, A kind of New-type electric machine liquid cooling system is provided, for the purpose of realizing and carry out liquid-cooling heat radiation to motor body and controller.For this purpose, this hair It is bright to take following technical scheme.
A kind of New-type electric machine liquid cooling system, including controller, drive end bearing bracket, rear end cap, be set between drive end bearing bracket and rear end cap Electric machine stand, be equipped with cover board on the outside of the rear end cap, the controller is set on the outside of cover board, is set on the drive end bearing bracket There are cooling liquid inlet and cooling liquid outlet;The electric machine stand is equipped with base water channel, including base inlet channel and base go out Water channel;The rear end cap is equipped with 2 coolant liquid via holes;The cover board is equipped with the cover board water for cooling controller Road;Coolant liquid from cooling liquid inlet inflow after, flow into base inlet channel motor body is cooled down, then from rear end cap its In a coolant liquid via hole flow through, flow into cover board water channel, controller cooled down, then from another coolant liquid mistake of rear end cap Then hole outflow flows out through the cooling liquid outlet on drive end bearing bracket by base water outlet, completes a cooling cycle.Effectively The liquid-cooling heat radiation to motor body and controller is realized, cooling system structure is more compact, makes motor operation is more stable can It leans on, motor cost is effectively reduced.
As further improving and supplementing to above-mentioned technical proposal, the invention also includes following additional technical features.
The base water channel include surround distribution multipair front and back run through base water hole, 2 of one pair of them water hole Water hole is respectively individually connected to the cooling liquid inlet of drive end bearing bracket and cooling liquid outlet respectively, remaining each pair of water hole is being located at front end Communication groove is all provided in the end face of machine base of lid side to be connected to 2 water holes;It is located at the end face side of rear end cap on base, wherein phase 2 adjacent water holes in 2 pairs of adjacent water holes are respectively individually connected to 2 coolant liquid via holes of rear end cap respectively, remaining presses every 2 To setting communication groove between 2 adjacent water holes in adjacent water hole to be connected to 2 water holes, i.e., on base the communication groove of rear end cap side with Drive end bearing bracket side communication groove interleaved adjacent in position.Coolant liquid import and export is formed and is obstructed, realizes coolant liquid in drive end bearing bracket Cooling liquid inlet enter, flowed out after recycling in base from the cooling liquid outlet of drive end bearing bracket, conveniently realized base inlet channel With base water outlet structure, circular cooled flow of the coolant liquid in electric machine stand is realized;The connection in penetration type water hole and end face Slot, it is easy to process, convenient for being realized by stretching casting or mach mode, base difficulty of processing is reduced, mechanism is improved The qualification rate of part processing, is greatly lowered the cost of structural member.
The cover board water channel is the end face groove for being affixed side on cover board with rear end cap, which is by several straight lines and circle Arc composition succeeding vat, form tortuous shape, the both ends of end face groove are not connected to, both ends respectively with 2 coolings of rear end cap Liquid via hole is respectively individually connected to.Inflow, cooling and the outflow for realizing coolant liquid in cover board water channel can be facilitated, realized to controller Cooling, structure is simple, easy to process.
Organic block water channel sealing ring is all provided between the base and drive end bearing bracket and rear end cap, base water channel sealing ring is set to In the base water channel seal groove of base side front and rear cover end face;Cover board water channel sealing ring, cover board are equipped with around cover board water channel Water channel sealing ring is set in the cover board water channel seal groove of cover board side rear end cap end face.By the way that sealing ring is arranged, can effectively prevent Leakage is set to sealing ring in ring recess, is easily installed, and can effectively prevent shifting of the sealing ring in installation and motor operation course Position.
The middle section thickness of the cover board is higher than thickness of two sides, forms step, and the cover board water channel is set to cover board Middle section, the controller is located at the outer fix of cover board middle section.Thicker thickness is convenient for setting cover board water channel, Position is corresponding, good cooling results.
The utility model has the advantages that
1, water channel circuit is set on base and end cap, has effectively achieved the liquid-cooling heat radiation to motor body and controller, makes It is more compact to obtain entire electromotor cooling system structure, keeps motor operation more reliable and more stable, motor cost is effectively reduced.
2, form whole water channel by multiple separate type part combinations, water channel by through hole and end face groove structure composition, Base difficulty of processing is reduced, so that water channel is easier to process, the qualification rate of mechanism member processing is improved, significantly reduces and add Work cost, it is convenient for safeguarding.
3, in such a way that seal groove and sealing ring combine, the reliability of water channel sealing is effectively increased, prevents from leaking;Just In installation, displacement of the sealing ring in installation and motor operation course can be effectively prevent.
Detailed description of the invention
Fig. 1 is electric machine structure schematic diagram of the present invention.
Fig. 2 is liquid cooling system of motor component explosion schematic diagram of the present invention.
Fig. 3 is drive end bearing bracket structural schematic diagram of the present invention.
Fig. 4 is base end of the present invention to schematic diagram.
Fig. 5 is rear end cover structure schematic diagram of the present invention.
Fig. 6 is another visual direction structural schematic diagram of rear end cap of the present invention.
Fig. 7 is covering plate structure schematic diagram of the present invention.
In figure: 1- drive end bearing bracket;2- rear end cap;3- base;4- controller;5- cover board;6- base water channel sealing ring;7- base Water channel seal groove;8- cover board water channel sealing ring;101- cooling liquid inlet;102- cooling liquid outlet;201- coolant liquid via hole;202- Cover board water channel seal groove;301- base water channel;The water hole 302-;303- communication groove;501- cover board water channel.
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with Figure of description.
As shown in figs. 1-7, a kind of New-type electric machine liquid cooling system, including controller 4, drive end bearing bracket 1, rear end cap 2, be set to front end Electric machine stand 3 between lid 1 and rear end cap 2, cover board 5 is equipped on the outside of rear end cap 2, and controller 4 is set to 5 outside of cover board, drive end bearing bracket 1 It is equipped with cooling liquid inlet 101 and cooling liquid outlet 102;Electric machine stand 3 is equipped with base water channel 301, including base inlet channel With base water outlet;Rear end cap 2 is equipped with 2 coolant liquid via holes 201;Cover board 5 is equipped with the cover board water for cooling controller 4 Road 501;Coolant liquid flows into 3 inlet channel of base and cools down to motor body, then from rear after the inflow of cooling liquid inlet 101 One of coolant liquid via hole 201 of end cap 2 flows through, and flows into cover board water channel 501, cools down to controller 4, then from rear end cap Then 2 another coolant liquid via hole 201 outflow is flowed by 3 water outlet of base through the cooling liquid outlet 102 on drive end bearing bracket 1 Out, a cooling cycle is completed.
In order to realize that the cooling circuit of base 3, base water channel 301 include surrounding the multipair front and back of distribution through base 3 Water hole 302,2 water holes 302 in one pair of them water hole 302 respectively with the cooling liquid inlet 101 and cooling liquid outlet of drive end bearing bracket 1 102 are respectively individually connected to, remaining each pair of water hole 302 is all provided with communication groove 103 on 3 end face of base for being located at 1 side of drive end bearing bracket To be connected to 2 water holes 302;It is located at the end face side of rear end cap 2 on base 3, wherein 2 phases in 2 pairs of adjacent water holes 302 The hole 302 that borders on the river respectively individually is connected to 2 coolant liquid via holes 201 of rear end cap 2 respectively, remaining presses every 2 pairs adjacent water holes 302 2 adjacent water holes 302 between set communication groove 103 to be connected to 2 water holes 302, i.e., the communication groove of 2 side of rear end cap on base 3 103 with 1 side communication groove 103 of drive end bearing bracket interleaved adjacent in position.Coolant liquid import and export is formed and is obstructed, realizes coolant liquid Enter in the cooling liquid inlet 101 of drive end bearing bracket 1, is flowed out after being recycled in base 3 from the cooling liquid outlet 102 of drive end bearing bracket 1, easily 3 water outlet structure of 3 inlet channel of base and base is realized, realizes circular cooled flow circuit of the coolant liquid in electric machine stand 3; The communication groove 103 in penetration type water hole 302 and end face, it is easy to process, convenient for realizing by stretching casting, reduce the processing of base 3 Difficulty improves the qualification rate of mechanism member processing, the cost of structural member is greatly lowered.
For the ease of processing, the cover board water channel 501 is the end face groove for being affixed side on cover board 5 with rear end cap 2, the slot For the succeeding vat being made of several straight lines and circular arc, tortuous shape is formed, the both ends of end face groove are not connected to, both ends difference It is respectively individually connected to 2 coolant liquid via holes 201 of rear end cap 2.The stream for realizing coolant liquid in cover board water channel 501 can be facilitated Enter, cool down and flow out, realizes the cooling to controller 4, structure is simple, easy to process.
It leaks in order to prevent, organic block water channel sealing ring 6, base water is all provided between base 3 and drive end bearing bracket 1 and rear end cap 2 Road sealing ring 6 is set in the base water channel seal groove 7 of 3 side front and rear cover end face of base;Lid is equipped with around cover board water channel 501 Plate water channel sealing ring 8, cover board water channel sealing ring 8 are set in the cover board water channel seal groove 202 of 5 side rear end cap of cover board, 2 end face.It is logical Setting sealing ring is crossed, can effectively prevent leakage, sealing ring is set in seal groove, is easily installed, sealing ring can be effectively prevent to exist Displacement in installation and motor operation course.
For the ease of cover board water channel 501 is arranged, the middle section thickness of cover board 5 is higher than thickness of two sides, forms step, cover board Water channel 501 is set to the middle section of cover board 5, and controller 4 is located at the outer fix of 5 middle section of cover board.Thicker thickness is convenient for Cover board water channel 501 is set, and position is corresponding, good cooling results.
In this example, base water channel 301 shares 6 pairs of 12 water holes 302, and 302 section of water hole is waist type, matches with base 3 Drive end bearing bracket 1 and rear end cap 2 end face on be respectively provided with 6 waist type base water channel seal grooves 7.
A kind of New-type electric machine liquid cooling system shown in figure 1 above -7 is specific embodiments of the present invention, has embodied this Invention substantive distinguishing features and progress can carry out shape, structure to it under the inspiration of the present invention using needs according to actual Etc. equivalent modifications, equal column in the protection scope of this programme.

Claims (5)

1. a kind of New-type electric machine liquid cooling system, including controller (4), drive end bearing bracket (1), rear end cap (2), be set to drive end bearing bracket (1) and Electric machine stand (3) between rear end cap (2), it is characterised in that: be equipped with cover board (5) on the outside of the rear end cap (2), the control Device (4) processed is set on the outside of cover board (5), and the drive end bearing bracket (1) is equipped with cooling liquid inlet (101) and cooling liquid outlet (102); The electric machine stand (3) is equipped with base water channel (301), including base inlet channel and base water outlet;The rear end cap (2) 2 coolant liquid via holes (201) are equipped with;The cover board (5) is equipped with the cover board water channel for cooling controller (4) (501);After coolant liquid is flowed into from cooling liquid inlet (101), flows into base (3) inlet channel and motor body is cooled down, then It flows through, flows into cover board water channel (501) from one of coolant liquid via hole (201) of rear end cap (2), controller (4) are carried out cold But it, then from another coolant liquid via hole (201) of rear end cap (2) flows out, by base (3) water outlet, then through drive end bearing bracket (1) On cooling liquid outlet (102) outflow, complete a cooling cycle.
2. a kind of New-type electric machine liquid cooling system according to claim 1, it is characterised in that: the base water channel (301) Water hole (302) including running through base (3) around the multipair front and back of distribution, 2 water holes (302) of one pair of them water hole (302) It is respectively individually connected to the cooling liquid inlet (101) of drive end bearing bracket (1) and cooling liquid outlet (102) respectively, remaining each pair of water hole (302) communication groove (103) is all provided with to be connected to 2 water holes (302) on base (3) end face for being located at drive end bearing bracket (1) side;In machine It is located at the end face side of rear end cap (2) on seat (3), wherein 2 adjacent water holes (302) in 2 pairs of adjacent water holes (302) are respectively It is respectively individually connected to 2 coolant liquid via holes (201) of rear end cap (2), remaining presses 2 phases of every 2 pairs adjacent water holes (302) It borders on the river and sets communication groove (103) between hole (302) to be connected to 2 water holes (302), i.e., the connection of rear end cap (2) side on base (3) Slot (103) and drive end bearing bracket (1) side communication groove (103) interleaved adjacent in position.
3. a kind of New-type electric machine liquid cooling system according to claim 2, it is characterised in that: the cover board water channel (501) For the end face groove for being affixed side on cover board (5) with rear end cap (2), which is the succeeding vat being made of several straight lines and circular arc, Tortuous shape is formed, the both ends of end face groove are not connected to, and both ends are each with 2 coolant liquid via holes (201) of rear end cap (2) respectively From independent connection.
4. a kind of New-type electric machine liquid cooling system according to claim 3, it is characterised in that: the base (3) and front end Organic block water channel sealing ring (6) is all provided between lid (1) and rear end cap (2), base water channel sealing ring (6) is set to base (3) side In the base water channel seal groove (7) of front and rear cover end face;Cover board water channel sealing ring (8), lid are equipped with around cover board water channel (501) Plate water channel sealing ring (8) is set in the cover board water channel seal groove (202) of cover board (5) side rear end cap (2) end face.
5. a kind of New-type electric machine liquid cooling system according to claim 4, it is characterised in that: the centre of the cover board (5) Segment thickness is higher than thickness of two sides, forms step, the cover board water channel (501) is set to the middle section of cover board (5), described Controller (4) is located at the outer fix of cover board (5) middle section.
CN201811651686.5A 2018-12-31 2018-12-31 Motor liquid cooling system Active CN109756072B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201811651686.5A CN109756072B (en) 2018-12-31 2018-12-31 Motor liquid cooling system

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CN109756072B CN109756072B (en) 2024-03-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114448197A (en) * 2022-01-27 2022-05-06 安徽维德电源有限公司 Motor machining method for forklift integrated power assembly and power assembly
CN116505678A (en) * 2023-06-21 2023-07-28 成都沃飞天驭科技有限公司 Motor, propulsion system and aircraft

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CN108667228A (en) * 2018-03-22 2018-10-16 北京亿马先锋汽车科技有限公司 Integrated motor and automobile with it
CN209184411U (en) * 2018-12-31 2019-07-30 卧龙电气集团股份有限公司 A kind of New-type electric machine liquid cooling system

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MX2011012473A (en) * 2010-11-29 2012-05-28 Zhongshan Broad Ocean Motor Co Brushless dc motor structure.
WO2016206342A1 (en) * 2015-06-23 2016-12-29 戴杰 Self-circulation liquid-cooled permanent magnet motor
CN105119416A (en) * 2015-09-23 2015-12-02 宁波市君纬电气有限公司 Novel type efficient fluid-cooled electrical machine
CN205394857U (en) * 2016-02-23 2016-07-27 王金生 Multi -wire saw's main shaft cooling device
CN106329807A (en) * 2016-09-18 2017-01-11 合普动力股份有限公司 Motor shell water-cooling structure
CN106793673A (en) * 2016-11-11 2017-05-31 宁波安信数控技术有限公司 A kind of cold plate structure of cooling of combined liquid
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CN206865308U (en) * 2017-05-15 2018-01-09 北京亿马先锋汽车科技有限公司 Integrated motor and there is its automobile
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114448197A (en) * 2022-01-27 2022-05-06 安徽维德电源有限公司 Motor machining method for forklift integrated power assembly and power assembly
CN116505678A (en) * 2023-06-21 2023-07-28 成都沃飞天驭科技有限公司 Motor, propulsion system and aircraft
CN116505678B (en) * 2023-06-21 2023-10-27 成都沃飞天驭科技有限公司 Motor, propulsion system and aircraft

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