CN107528411A - Water-cooling motor cabinet, core and the method for manufacturing water-cooling motor cabinet - Google Patents
Water-cooling motor cabinet, core and the method for manufacturing water-cooling motor cabinet Download PDFInfo
- Publication number
- CN107528411A CN107528411A CN201710781176.9A CN201710781176A CN107528411A CN 107528411 A CN107528411 A CN 107528411A CN 201710781176 A CN201710781176 A CN 201710781176A CN 107528411 A CN107528411 A CN 107528411A
- Authority
- CN
- China
- Prior art keywords
- water
- motor cabinet
- core
- cooling motor
- fonts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/103—Multipart cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Frames (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
A kind of water-cooling motor cabinet, core and the method for manufacturing water-cooling motor cabinet are disclosed, is provided with the water channel cavity extended along cylindrical surface in water-cooling motor cabinet, water channel cavity includes multiple C fonts water channels, and multiple C fonts water channels are end to end successively.Water channel cavity in the water-cooling motor cabinet of the present invention includes multiple C fonts water channels, and multiple C fonts water channels are end to end successively, when cooling water flows in cooling water channel, turning can turbulization, beneficial to heat exchange is carried out, so that improving radiating effect.
Description
Technical field
The present invention relates to new-energy automobile field, and in particular to a kind of water-cooling motor cabinet for new-energy automobile, uses
In the method for the core and manufacture water-cooling motor cabinet of manufacture water-cooling motor cabinet.
Background technology
The in light weight of new-energy automobile common demands motor, small volume, power density are high, therefore motor cooling generally uses
Cooling by water mode.At present, the manufacturing technique method of new-energy automobile water-cooling motor cabinet mainly includes following several:
1st, inner casing and the method for the body of shell two welding.The process needs to cast inner casing and shell respectively, then distinguishes
It is machined, spiral channel is processed on inner casing, then integral solder again.The defects of technique be wave it is time-consuming,
Efficiency is low, cost is high, and quality is unstable, rosin joint easily occurs, causes weld seam leak.In addition, weld seam and base material is close
Degree, thermal coefficient of expansion are inconsistent, and cold and hot exchange for a long time can produce fire check, cause leak.
2nd, inner casing and shell are first machined, is then sealed in junction using sealing ring, calculates the decrement of sealing ring
With the filling rate in cavity, inside and outside casing is connected into an entirety with screw, forms water cooling casing.Its shortcoming is sealing ring
Work long hours easy aging, can leak at the sealing after final aging.Need to calculate sealing ring when sealing using sealing ring
Decrement, decrement cross premature aging when conference causes thermal expansion, and reduction of service life, decrement is too small to cause pressure excessive
Shi Shuileng casing leaks.
3rd, the method for pre-buried copper pipe or stainless steel tube., then will be molded first by copper pipe or stainless steel tube brake forming
Copper pipe or stainless steel tube, which are inlayed, to be casted into Al alloy shell body.The drawbacks of technique is that water channel is different from body material, heat conduction system
Number and the coefficient of expansion are different, can not be bonded to form one after inlay casting, cause the heat dispersion of water cooling casing poor, can not meet new
The requirement of energy automobile water-cooled machine.
The content of the invention
The present invention proposes a kind of water-cooling motor cabinet, the core for manufacturing water-cooling motor cabinet and manufacture water-cooled machine machine
The method of shell, the water-cooling motor cabinet can overcome the defects of existing casing is easy to aging and leakage, radiating effect is bad.
One aspect of the present invention proposes a kind of water-cooling motor cabinet, is provided with the water-cooling motor cabinet and prolongs along cylindrical surface
The water channel cavity stretched, the water channel cavity include multiple C fonts water channels, and the multiple C fonts water channel is end to end successively.
Preferably, the opening of adjacent C font water channels is in the opposite direction.
Preferably, one end of the water channel cavity is provided with water inlet, and the other end is provided with delivery port.
Preferably, the water-cooling motor cabinet surface is provided with steam vent, and the steam vent connects with the water channel cavity.
Another aspect of the present invention proposes a kind of core for being used to manufacture described water-cooling motor cabinet, and the core includes more
Individual C fonts core section, the multiple C fonts core section is end to end successively and extends along cylindrical surface.
Preferably, the surface of the C fonts core section is provided with boss.
Preferably, the opening of adjacent C font core sections is in the opposite direction.
Preferably, the core is made up of precoated sand.
Further aspect of the present invention proposes a kind of method that the water-cooling motor cabinet is manufactured using the core, including:
The core is placed in casting die;
Water-cooling motor cabinet melted material is injected into casting die to be cast;
Obtain the water-cooling motor cabinet of shaping;
Core is discharged from the water-cooling motor cabinet of shaping.
The beneficial effects of the present invention are:
1. the water channel cavity in water-cooling motor cabinet includes multiple C fonts water channels, multiple C fonts water channels head and the tail phase successively
Connect, when cooling water flows in cooling water channel, turning can turbulization, beneficial to carry out heat exchange, it is scattered so as to be lifted
Thermal effect;
2. using core casting manufacture water-cooling motor cabinet, core entirety material is identical, reliability is high, is less prone to
The situation of crackle leak, high yield rate, production efficiency is high during batch production, cost is low;
3. core includes multiple C fonts core sections, multiple C fonts core sections are end to end successively and prolong along cylindrical surface
Stretch, the steadiness of core section is good, can prevent the core defeated and dispersed deformation by fluid impact, product qualification rate in casting die
It is higher;
The surface of 4.C font core sections is provided with boss, and when being cast, boss can fix core, prevent core from existing
Defeated and dispersed deformation when in casting die by fluid impact;In addition, it is alternatively arranged as the steam vent of cavity body of mould, optimize exhaust pathway,
Gas is discharged, so as to reduce the probability that gas stays in sand core internal and forms stomata.
Apparatus and method of the present invention has other characteristics and advantage, and these characteristics and advantage are attached from what is be incorporated herein
It will be apparent in figure and subsequent embodiment, or by the accompanying drawing being incorporated herein and subsequent specific reality
Apply in mode and stated in detail, these the drawings and specific embodiments are provided commonly for explaining the certain principles of the present invention.
Brief description of the drawings
Exemplary embodiment of the present is described in more detail in conjunction with the accompanying drawings, of the invention is above-mentioned and other
Purpose, feature and advantage will be apparent, wherein, in exemplary embodiments of the present invention, identical reference is usual
Represent same parts.
Fig. 1 shows the schematic internal view of water-cooling motor cabinet according to an exemplary embodiment of the present invention;
Fig. 2 shows the outside schematic diagram of water-cooling motor cabinet according to an exemplary embodiment of the present invention;
Fig. 3 shows the schematic diagram according to an exemplary embodiment of the present invention for being used to manufacture the core of water-cooling motor cabinet.
Description of reference numerals:
1-C font core sections, 2- boss, 3- openings, 4- openings, 5- water channel cavitys, 6-C font water channels, 7- water inlets, 8-
Delivery port, 9- steam vents, 10- openings, 11- openings.
Embodiment
The present invention is more fully described below with reference to accompanying drawings.Although showing the preferred embodiments of the present invention in accompanying drawing,
However, it is to be appreciated that the present invention is may be realized in various forms without should be limited by embodiments set forth here.Conversely, there is provided
These embodiments are in order that the present invention is more thorough and complete, and can will fully convey the scope of the invention to ability
The technical staff in domain.
The exemplary embodiment of the present invention provides a kind of water-cooling motor cabinet, is provided with water-cooling motor cabinet along cylindrical table
The water channel cavity of face extension, water channel cavity include multiple C fonts water channels, and multiple C fonts water channels are end to end successively.
Water channel cavity in the water-cooling motor cabinet includes multiple C fonts water channels, multiple C fonts water channels head and the tail phase successively
Connect, when cooling water flows in cooling water channel, turning can turbulization, beneficial to carry out heat exchange, it is scattered so as to be lifted
Thermal effect.
In one example, the opening of adjacent C font water channels is in the opposite direction.C font water channels have for side
The structure of opening, adjacent C fonts water channel by opening in the opposite direction in a manner of be connected, so multiple C fonts water channels
The serpentine waterways cavity extended along cylindrical surface is formed after head and the tail connect successively, when cooling water flows in water channel cavity,
Turning can turbulization, beneficial to heat exchange is carried out, so as to improving radiating effect.
In one example, one end of water channel cavity is provided with water inlet, and the other end is provided with delivery port.Cooling water is from water inlet
Into water channel cavity, flowed out after flowing through water channel cavity by delivery port.
In one example, water-cooling motor cabinet surface is provided with steam vent, and steam vent connects with water channel cavity.
Another aspect of the present invention proposes a kind of core for being used to manufacture water-cooling motor cabinet, and core includes multiple C fonts sand
Core section, multiple C fonts core sections are end to end successively and extend along cylindrical surface.
Core is used for the water channel cavity formed in casting cycle inside water-cooling motor cabinet, and core of the invention includes more
Individual C fonts core section, multiple C fonts core sections are end to end successively and extend along cylindrical surface, in water-cooling motor cabinet
The water channel cavity that portion is formed extends along cylindrical surface, and including multiple C fonts water channels, multiple C fonts water channels head and the tail phase successively
Connect.As it was previously stated, such water channel cavity is beneficial to carry out heat exchange, good heat dissipation effect.In addition, in casting die, it is first successively
The steadiness for multiple C fonts core sections that tail connects is more preferable, can prevent core from being burst in casting die by fluid impact
Deformation is dissipated, therefore product qualification rate is higher.
In one example, the opening of adjacent C font core sections is in the opposite direction so that water channel cavity it is adjacent
C font water channels opening in the opposite direction.When cooling water flows in cooling water channel, rapids can be produced at turning
Stream, beneficial to heat exchange is carried out, so as to improving radiating effect.
In one example, the surface of C fonts core section is provided with boss.Boss can be uniformly arranged along cylindrical surface.
When being cast, boss can be used for fixing core, defeated and dispersed deformation when preventing core in casting die by fluid impact;This
Outside, it is alternatively arranged as the steam vent of cavity body of mould, optimizes exhaust pathway, gas is discharged, stayed in so as to reduce gas in core
Portion forms the probability of stomata.When the surface of C font core sections is provided with boss, the water-cooling motor cabinet surface of casting is formed
Corresponding steam vent, steam vent connect with water channel cavity.
In one example, core is made up of precoated sand.
Further aspect of the present invention provides a kind of method that water-cooling motor cabinet is manufactured using core, comprises the following steps:
Core is placed in casting die;
Water-cooling motor cabinet melted material is injected into casting die to be cast;
Obtain the water-cooling motor cabinet of shaping;
Core is discharged from the water-cooling motor cabinet of shaping.
As it was previously stated, existing the methods of being machined integral solder, pre-buried copper pipe or stainless steel tube again, is present necessarily
Defect.Compared to prior art, the present invention is using the method using core casting, in the case of batch production, part
Cost is low, uniformity is good.Core is placed in casting die, can be internally formed corresponding water channel cavity in water-cooled motor shell,
The material of whole casing after casting is completely the same, in the absence of the different situation of thermal conductivity factor, the coefficient of expansion;Water-cooled machine
Housing is very high by reliability after airtight detection, is not in the later stage because material aging, the cold and hot reason such as exchange form hot tearing
Line and the situation of leak.
In one example, casting die is gravity casting mould.
In one example, by overall immersion liquid parting and the method for shake-out, the water cooling electricity by core from shaping
Discharged in machine casing.
Embodiment
Fig. 1 and 2 shows schematic internal view and the outside of water-cooling motor cabinet according to an exemplary embodiment of the present invention respectively
Schematic diagram, Fig. 3 show the schematic diagram according to an exemplary embodiment of the present invention for being used to manufacture the core of water-cooling motor cabinet.
As Figure 1-3, the water extended according to being provided with the water-cooling motor cabinet of exemplary embodiment along cylindrical surface
Road cavity 5, water channel cavity 5 include two C fonts water channels 6, and two C fonts water channels 6 are end to end successively.Wherein, the two C words
The opening of shape water channel is in the opposite direction.As shown in figure 1, two C fonts water channels have opening 10 and opening 11 respectively, opening
10 and opening 11 in the opposite direction, form the snake extended along cylindrical surface after being connected so as to two C fonts water channels head and the tail
Shape water channel cavity.
One end of water channel cavity 5 is provided with water inlet 7, and the other end is provided with delivery port 8, and cooling water enters water channel from water inlet 7
Cavity 5, flowed out after flowing through water channel cavity 5 by delivery port 8.
In the exemplary embodiment, water channel cavity includes two C font water channels, and according to being actually needed, water channel cavity can be with
Including any number of C fonts water channel.
Water-cooling motor cabinet surface is provided with steam vent 9, and steam vent 9 connects with water channel cavity 5.
Wherein, as shown in figure 3, including two C font cores sections 1, two C words for the core for manufacturing water-cooling motor cabinet
Shape core section 1 is end to end successively and extends along cylindrical surface, so as to form phase in water-cooling motor cabinet after casting
The water channel cavity answered.Wherein, the opening of the two C font cores sections 1 is in the opposite direction.As shown in figure 3, two C fonts
Core section has opening 3 and opening 4 respectively, and opening 3 and opening 4 are in the opposite direction.
The surface of C font core sections is provided with multiple boss 2, and multiple boss 2 are equal with 90 degree of interval along cylindrical surface
Even distribution.By casting, boss 2 forms steam vent 9 corresponding on water-cooling motor cabinet.
Method using core manufacture water-cooling motor cabinet comprises the following steps:
Core is placed in gravity casting mould;
Water-cooling motor cabinet melted material is injected into gravity casting mould to be cast;
Obtain the water-cooling motor cabinet of shaping;
Core is discharged from the water-cooling motor cabinet of shaping.
It is described above various embodiments of the present invention, described above is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.
Claims (9)
1. a kind of water-cooling motor cabinet, it is characterised in that the water extended along cylindrical surface is provided with the water-cooling motor cabinet
Road cavity, the water channel cavity include multiple C fonts water channels, and the multiple C fonts water channel is end to end successively.
2. water-cooling motor cabinet according to claim 1, it is characterised in that the opening of adjacent C font water channels is towards phase
Anti- direction.
3. water-cooling motor cabinet according to claim 1, it is characterised in that one end of the water channel cavity is provided with water inlet
Mouthful, the other end is provided with delivery port.
4. according to the water-cooling motor cabinet described in any one in claim 1-3, it is characterised in that the water-cooling motor cabinet
Surface is provided with steam vent, and the steam vent connects with the water channel cavity.
A kind of 5. core for being used for the water-cooling motor cabinet in manufacturing claims 1-4 described in any one, it is characterised in that institute
Stating core includes multiple C fonts core sections, and the multiple C fonts core section is end to end successively and extends along cylindrical surface.
6. core according to claim 5, it is characterised in that the surface of the C fonts core section is provided with boss.
7. core according to claim 6, it is characterised in that the opening of adjacent C font core sections is towards opposite side
To.
8. according to the core described in any one in claim 5-7, it is characterised in that the core is made up of precoated sand.
9. manufacturing the method for the water-cooling motor cabinet using the core according to any one in claim 5-8, it is special
Sign is, including:
The core is placed in casting die;
Water-cooling motor cabinet melted material is injected into casting die to be cast;
Obtain the water-cooling motor cabinet of shaping;
Core is discharged from the water-cooling motor cabinet of shaping.
Priority Applications (1)
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CN201710781176.9A CN107528411A (en) | 2017-09-01 | 2017-09-01 | Water-cooling motor cabinet, core and the method for manufacturing water-cooling motor cabinet |
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CN201710781176.9A CN107528411A (en) | 2017-09-01 | 2017-09-01 | Water-cooling motor cabinet, core and the method for manufacturing water-cooling motor cabinet |
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CN201710781176.9A Pending CN107528411A (en) | 2017-09-01 | 2017-09-01 | Water-cooling motor cabinet, core and the method for manufacturing water-cooling motor cabinet |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112387937A (en) * | 2019-08-12 | 2021-02-23 | 中车株洲电力机车研究所有限公司 | Permanent magnet synchronous motor, motor shell and sand core for processing |
US20210384806A1 (en) * | 2020-06-05 | 2021-12-09 | Teco Electric & Machinery Co., Ltd. | Closed-type and liquid cooling motor frame and method for manufacturing the same |
CN113828730A (en) * | 2020-06-08 | 2021-12-24 | 东元电机股份有限公司 | Closed water-cooling frame manufacturing method and closed water-cooling frame thereof |
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CN113828730A (en) * | 2020-06-08 | 2021-12-24 | 东元电机股份有限公司 | Closed water-cooling frame manufacturing method and closed water-cooling frame thereof |
CN113828730B (en) * | 2020-06-08 | 2023-07-25 | 东元电机股份有限公司 | Method for manufacturing closed type water-cooling frame and closed type water-cooling frame |
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