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.