CN207782568U - Water-cooling motor cabinet and sand core - Google Patents
Water-cooling motor cabinet and sand core Download PDFInfo
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- CN207782568U CN207782568U CN201721117160.XU CN201721117160U CN207782568U CN 207782568 U CN207782568 U CN 207782568U CN 201721117160 U CN201721117160 U CN 201721117160U CN 207782568 U CN207782568 U CN 207782568U
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- water
- sand core
- motor cabinet
- fonts
- cooling motor
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Abstract
The utility model discloses a kind of water-cooling motor cabinet and sand core, the water channel cavity extended along cylindrical surface is equipped 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 utility model includes multiple C fonts water channels, and multiple C fonts water channels are end to end successively, and when cooling water flows in cooling water channel, turbulent flow can be generated at turning, is conducive to carry out heat exchange, to improving radiating effect.
Description
Technical field
The utility model is related to new-energy automobile fields, and in particular to a kind of water-cooling motor cabinet for new-energy automobile
And sand core.
Background technology
The light-weight, small of new-energy automobile common demands motor, power density are high, therefore motor cooling generally uses
Cooling by water mode.Currently, the manufacturing technique method of new-energy automobile water-cooling motor cabinet includes mainly following several：
1, the method for inner casing and the welding of two body of shell.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 defect of the technique be wave it is time-consuming,
It is inefficiency, of high cost, and unstable quality, it is susceptible to rosin joint, leads to weld seam leak.In addition, weld seam and base material is close
Degree, coefficient of thermal expansion are inconsistent, and cold and hot exchange for a long time will produce fire check, lead to leak.
2, inner casing and shell are first machined, is then sealed using sealing ring in junction, calculates the decrement of sealing ring
Inside and outside casing is connected into an entirety with screw, forms water cooling casing by filling rate in the cavity.The disadvantage is that sealing ring
Work long hours easy aging, can leak at the sealing after final aging.It needs to calculate sealing ring when sealing using sealing ring
Decrement, decrement cross premature aging when conference causes to thermally expand, shorten the working life, decrement is too small to cause pressure excessive
Shi Shuileng casing leaks.
3, the method for pre-buried copper pipe or stainless steel tube.It, 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 ontology 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 dissipation performance of water cooling casing poor, cannot be satisfied new
The requirement of energy automobile water-cooled machine.
Utility model content
The purpose of this utility model is to propose a kind of sand core of water-cooling motor cabinet and manufacture water-cooling motor cabinet, the water cooling
Motor case can overcome existing casing to be easy to the bad defect of aging and leakage, heat dissipation effect.
On the one hand the utility model proposes a kind of water-cooling motor cabinet, be equipped with along cylindrical table in the water-cooling motor cabinet
The water channel cavity that face extends, the water channel cavity includes 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 equipped with water inlet, and the other end is equipped with water outlet.
Preferably, the water-cooling motor cabinet surface is equipped with gas vent, and the gas vent is connected to the water channel cavity.
On the other hand the utility model proposes a kind of sand core for manufacturing the water-cooling motor cabinet, the sand core packet
Multiple C fonts sand core sections are included, the multiple C fonts sand core section is end to end successively and extends along cylindrical surface.
Preferably, the surface of the C fonts sand core section is equipped with boss.
Preferably, the opening of adjacent C font sand core sections is in the opposite direction.
Preferably, the sand core is made of precoated sand.
The beneficial effects of the utility model 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
It connects, when cooling water flows in cooling water channel, turbulent flow can be generated at turning, be conducive to carry out heat exchange, be dissipated to be promoted
Thermal effect；
2. using sand core casting manufacture water-cooling motor cabinet, sand core overall material is identical, reliability is high, is less prone to
The case where crackle leak, high yield rate, production efficiency are high, at low cost when batch production；
3. sand core includes multiple C fonts sand core sections, multiple C fonts sand core sections are end to end successively and prolong along cylindrical surface
It stretches, the stability of sand core section is good, can prevent the sand core defeated and dispersed deformation by fluid impact, product qualification rate in casting die
Higher；
The surface of 4.C font sand core sections is equipped with boss, and when being cast, boss can fix sand core, prevent sand core from existing
Defeated and dispersed deformation when in casting die by fluid impact；In addition, it is alternatively arranged as the gas vent of cavity body of mould, optimize exhaust pathway,
Gas is discharged, the probability that sand core internal forms stomata is stayed in reduce gas.
The device of the utility model has other characteristics and advantages, these characteristics and advantages are from the attached drawing being incorporated herein
It will be apparent in subsequent specific implementation mode, or will be in the attached drawing and subsequent specific implementation being incorporated herein
It is stated in detail in mode, these the drawings and specific embodiments are used together to explain the specific principle of the utility model.
Description of the drawings
The utility model exemplary embodiment is described in more detail in conjunction with the accompanying drawings, the utility model it is above-mentioned
And other purposes, feature and advantage will be apparent, wherein identical in the utility model exemplary embodiment
Reference numeral typically represents same parts.
Fig. 1 shows the schematic internal view of the water-cooling motor cabinet according to the utility model exemplary embodiment；
Fig. 2 shows the outside schematic diagram of the water-cooling motor cabinet according to the utility model exemplary embodiment；
Fig. 3 shows the signal of the sand core for manufacturing water-cooling motor cabinet according to the utility model exemplary embodiment
Figure.
Reference sign：
1-C font sand core sections, 2- boss, 3- openings, 4- openings, 5- water channel cavitys, 6-C font water channels, 7- water inlets, 8-
Water outlet, 9- gas vents, 10- openings, 11- openings.
Specific implementation mode
The utility model is more fully described below with reference to accompanying drawings.Although showing the preferred of the utility model in attached drawing
Embodiment, however, it is to be appreciated that may be realized in various forms the utility model without should be limited by embodiments set forth here
System.On the contrary, these embodiments are provided so that the utility model is more thorough and complete, and can be by the utility model
Range is completely communicated to those skilled in the art.
The exemplary embodiment of the utility model provides a kind of water-cooling motor cabinet, is equipped with along cylinder in water-cooling motor cabinet
The water channel cavity that shape surface extends, 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 includes multiple C fonts water channels, multiple C fonts water channels head and the tail phase successively
It connects, when cooling water flows in cooling water channel, turbulent flow can be generated at turning, be conducive to carry out heat exchange, be dissipated to be promoted
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 are connected in a manner of being open in the opposite direction, C fonts water channels multiple in this way
The serpentine waterways cavity extended along cylindrical surface is formed after being sequentially connected end to end, when cooling water flows in water channel cavity,
Turbulent flow can be generated at turning, is conducive to carry out heat exchange, to improving radiating effect.
In one example, one end of water channel cavity is equipped with water inlet, and the other end is equipped with water outlet.Cooling water is from water inlet
Into water channel cavity, flowed out by water outlet after flowing through water channel cavity.
In one example, water-cooling motor cabinet surface is equipped with gas vent, and gas vent is connected to water channel cavity.
On the other hand the utility model proposes a kind of sand core for manufacturing water-cooling motor cabinet, sand core includes multiple C words
Shape sand core section, multiple C fonts sand core sections are end to end successively and extend along cylindrical surface.
Sand core in casting process for forming the water channel cavity inside water-cooling motor cabinet, the sand core packet of the utility model
Multiple C fonts sand core sections are included, multiple C fonts sand core sections are end to end successively and extend along cylindrical surface, in water-cooled machine machine
The water channel cavity formed inside shell extends along cylindrical surface, and includes multiple C fonts water channels, and multiple C fonts water channels are first successively
Tail connects.As previously mentioned, such water channel cavity is conducive to carry out heat exchange, good heat dissipation effect.In addition, in casting die, according to
The stability of secondary end to end multiple C fonts sand core sections is more preferable, can prevent sand core in casting die by fluid impact
And defeated and dispersed deformation, therefore product qualification rate higher.
In one example, the opening of adjacent C font sand 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 generated at turning
Stream is conducive to carry out heat exchange, to improving radiating effect.
In one example, the surface of C fonts sand core section is equipped with boss.Boss can be uniformly arranged along cylindrical surface.
When being cast, boss can be used for fixed sand core, defeated and dispersed deformation when preventing sand core in casting die by fluid impact；This
Outside, it is alternatively arranged as the gas vent of cavity body of mould, optimizes exhaust pathway, gas is discharged, is stayed in sand core to reduce gas
Portion forms the probability of stomata.When the surface of C font sand core sections is equipped with boss, the water-cooling motor cabinet surface of casting and forming is formed
Corresponding gas vent, gas vent are connected to water channel cavity.
In one example, sand core is made of precoated sand.
The utility model another further aspect provides a kind of method manufacturing water-cooling motor cabinet using sand core, including following step
Suddenly：
Sand core is placed in casting die；
Water-cooling motor cabinet melted material is injected into casting die to cast；
Obtain molding water-cooling motor cabinet；
Sand core is discharged from molding water-cooling motor cabinet.
As previously mentioned, the methods of integral solder, pre-buried copper pipe or stainless steel tube exist centainly existing mechanical processing again
Defect.Scheme compared with the prior art, the utility model uses the method using sand core casting, in the case of batch production,
Cost of parts is low, consistency is good.Sand core is placed in casting die, and corresponding water channel chamber can be formed inside water-cooled motor shell
The material of body, the entire casing after casting and forming is completely the same, and there is no the different situations of thermal coefficient, the coefficient of expansion；Water cooling
Electric machine casing is very high by reliability after airtight detection, is not in the later stage because material aging, the cold and hot reasons such as exchange are formed
Fire check and the case where leak.
In one example, casting die is gravity casting mold.
In one example, by the whole method for impregnating liquid parting and shake-out, sand core is electric from molding water cooling
It is discharged in machine casing.
Embodiment
Fig. 1 and 2 show respectively according to the schematic internal view of the water-cooling motor cabinet of the utility model exemplary embodiment and
Outside schematic diagram, Fig. 3 show showing for according to the utility model exemplary embodiment sand core for manufacturing water-cooling motor cabinet
It is intended to.
As shown in Figs. 1-3, accoding to exemplary embodiment the water extended along cylindrical surface is equipped in water-cooling motor cabinet
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 font water channels are respectively provided with opening 10 and opening 11, opening
10 and opening 11 in the opposite direction, form the snake extended along cylindrical surface after being connected to two C fonts water channels head and the tail
Shape water channel cavity.
One end of water channel cavity 5 is equipped with water inlet 7, and the other end is equipped with water outlet 8, and cooling water enters water channel from water inlet 7
Cavity 5 is flowed out after flowing through water channel cavity 5 by water outlet 8.
In the exemplary embodiment, water channel cavity includes two C font water channels, and according to actual needs, water channel cavity can be with
Including any number of C fonts water channel.
Water-cooling motor cabinet surface is equipped with gas vent 9, and gas vent 9 is connected to water channel cavity 5.
Wherein, as shown in figure 3, the sand core for manufacturing water-cooling motor cabinet includes two C font sand cores sections 1, two C words
Shape sand core section 1 is end to end successively and extends along cylindrical surface, to form phase in water-cooling motor cabinet after casting
The water channel cavity answered.Wherein, the opening of the two C font sand cores sections 1 is in the opposite direction.As shown in figure 3, two C fonts
Sand core section is respectively provided with opening 3 and opening 4, and opening 3 and opening 4 are in the opposite direction.
The surface of C font sand core sections is equipped with multiple boss 2, and multiple boss 2 are equal with 90 degree of interval along cylindrical surface
Even distribution.By casting and forming, boss 2 forms corresponding gas vent 9 on water-cooling motor cabinet.
Included the following steps using the method that sand core manufactures water-cooling motor cabinet：
Sand core is placed in gravity casting mold；
Water-cooling motor cabinet melted material is injected into gravity casting mold to cast；
Obtain molding water-cooling motor cabinet；
Sand core is discharged from molding water-cooling motor cabinet.
Each embodiment of the utility model is described above, above description is exemplary, and non-exclusive, and
And it is also not necessarily limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for
Many modifications and changes will be apparent from for those skilled in the art.
Claims (4)
1. a kind of water-cooling motor cabinet, which is characterized in that be equipped with the water extended along cylindrical surface in 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, adjacent C words
In the opposite direction, the water-cooling motor cabinet surface is equipped with multiple gas vents, the multiple gas vent to the opening of shape water channel
It is uniformly distributed with 90 degree of interval along the cylindrical surface, the gas vent is connected to the water channel cavity.
2. water-cooling motor cabinet according to claim 1, which is characterized in that one end of the water channel cavity is equipped with water inlet
Mouthful, the other end is equipped with water outlet.
3. a kind of sand core for the water-cooling motor cabinet described in manufacturing claims 1 or 2, which is characterized in that the sand core packet
Multiple C fonts sand core sections are included, the multiple C fonts sand core section is end to end successively and extends along cylindrical surface, adjacent C words
In the opposite direction, the surface of the C fonts sand core section is equipped with multiple boss, the multiple boss edge to the opening of shape sand core section
The cylindrical surface to be uniformly distributed with 90 degree of interval.
4. sand core according to claim 3, which is characterized in that the sand core is made of precoated sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721117160.XU CN207782568U (en) | 2017-09-01 | 2017-09-01 | Water-cooling motor cabinet and sand core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721117160.XU CN207782568U (en) | 2017-09-01 | 2017-09-01 | Water-cooling motor cabinet and sand core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207782568U true CN207782568U (en) | 2018-08-28 |
Family
ID=63219175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721117160.XU Active CN207782568U (en) | 2017-09-01 | 2017-09-01 | Water-cooling motor cabinet and sand core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207782568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI719907B (en) * | 2020-06-05 | 2021-02-21 | 東元電機股份有限公司 | Method of manufacturing closed-type and liquid cooling motor frame and closed-type and liquid cooling motor frame thereof |
-
2017
- 2017-09-01 CN CN201721117160.XU patent/CN207782568U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI719907B (en) * | 2020-06-05 | 2021-02-21 | 東元電機股份有限公司 | Method of manufacturing closed-type and liquid cooling motor frame and closed-type and liquid cooling motor frame thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181120 Address after: 244002 695 north section of Taishan Avenue, Tongling economic and Technological Development Zone, Anhui Patentee after: Anhui Singularity Intelligent New Energy Automobile Co.,Ltd. Address before: Room 3704, 868 Jinqi Road, Fengxian District, Shanghai, 201403 Patentee before: ZHICHE YOUXING TECHNOLOGY (SHANGHAI) Co.,Ltd. |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230327 Granted publication date: 20180828 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230627 Granted publication date: 20180828 |