CN109802508A - A kind of liquid cooling casing and its manufacturing method convenient for dynamo series - Google Patents
A kind of liquid cooling casing and its manufacturing method convenient for dynamo series Download PDFInfo
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- CN109802508A CN109802508A CN201910215881.1A CN201910215881A CN109802508A CN 109802508 A CN109802508 A CN 109802508A CN 201910215881 A CN201910215881 A CN 201910215881A CN 109802508 A CN109802508 A CN 109802508A
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- 239000007788 liquid Substances 0.000 title claims abstract description 96
- 238000001816 cooling Methods 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000002826 coolant Substances 0.000 claims abstract description 79
- 239000000110 cooling liquid Substances 0.000 claims abstract description 45
- 238000009826 distribution Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 16
- 238000005266 casting Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 108091006146 Channels Proteins 0.000 description 82
- 239000012530 fluid Substances 0.000 description 7
- 238000009740 moulding (composite fabrication) Methods 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The invention discloses a kind of liquid cooling casings and its manufacturing method convenient for dynamo series, the motor liquid cooling casing includes casing front end, casing middle part, cooling liquid flowing channel and casing rear end, the cooling liquid flowing channel includes internal layer runner and outer layer runner, the internal layer runner and the outer layer runner are arranged at intervals on the ectonexine in the middle part of the casing, coolant liquid flow direction in the internal layer runner is with the coolant liquid flow direction in the outer layer runner on the contrary, the axially upper S-shaped ectonexine distribution in the middle part of the casing of the internal layer runner and the outer layer runner.Ectonexine runner flow direction in the application on the contrary, and the S-shaped ectonexine distribution in casing, coolant liquid contact area is big, good heat dissipation effect and casing is heated evenly, and casing temperature distortion is also more uniform.
Description
Technical field
The present invention relates to motor case technical fields, refer in particular to a kind of convenient for the liquid cooling casing of dynamo series and its manufacturer
Method.
Background technique
The heat-sinking capability of motor directly affects the size of its rated power and nominal torque, and therefore, the temperature field of motor is counted
It calculates and the design of cooling system is one of the core technology of motor exploitation.Compared to naturally cold and ventilated machine, fluid-cooled electrical machine dissipates
Thermal energy power is more preferable, can more improve the power density of motor, reduces the size of motor, conducive to the cost for reducing motor.To motor liquid
The design and exploitation of cold shell be improve motor radiating ability, reduce motor temperature rise, be conducive to the light-weighted effective way of motor it
One.
The form of liquid cooling casing is varied at present, can be divided into unitary cover and split type according to casing structure form
Casing；Shaft orientation flowing channel formula casing, circumferential flow channel type casing, spiral casing and fan can be divided into according to the flow direction of coolant liquid
Palace formula casing etc.；Casing in parallel and series connection casing can be divided into according to runner connection type；It is divided into casting according to casing manufacturing method
Cause type casing, extrusion forming casing, machining casing etc..The runner of split type casing is by casing runner and front and back end
Lid runner, which combines, to be formed, and this casing needs to design the sealing structure between casing and end cap, and assembly difficulty is higher, shaking
Leakage problem is easy to appear under dynamic and bad working environments.Screw-shaped flow paths casing needs to carry out turnery processing, relatively due to runner
It is deep, under machining condition and the limitation of casing deformation condition, there cannot be too big cutting depth, be unable to much knives and process together, institute
Laborious with processing time consuming, processing cost is high.Casting and forming casing can only be directed to a motor, and the motor of homologous series different length needs
The casing casting mould for opening different length, is unfavorable for the producing in serial form of motor.Machining casing needs to cut off blank
Upper extra material, process time is relatively long, and cost is relatively high.Series connection casing due to coolant liquid pass through runner when be heated,
Import is relatively cold, and outlet is relatively hot, and the Temperature Distribution of casing is relatively uneven.Series connection casing longer for runner, stream
Road resistance is relatively also larger, and coolant pressure loss is big.
Summary of the invention
The present invention considers foregoing problems and makes, and the purpose of invention is to provide a kind of liquid cooling machine convenient for dynamo series
Shell and its manufacturing method, manufacturing method is simple, save the cost, suitable for the motor of different length, convenient for the serial metaplasia of motor
It produces, interior design has ectonexine coolant flow channel, and heat dissipation area is bigger, and the pressure loss is small, uniformity of temperature profile, heat after casing is heated
More evenly, good cooling results effectively improve motor quality for deformation.
To achieve the above object, the present invention provides a kind of liquid cooling casing convenient for dynamo series, comprising:
Casing front end；
In the middle part of casing, the front end in the middle part of the casing connects with the casing front end；
Cooling liquid flowing channel, the cooling liquid flowing channel include internal layer runner and outer layer runner, the internal layer runner and described outer
Laminar flow road is arranged at intervals on the ectonexine in the middle part of the casing, coolant liquid flow direction and the outer laminar flow in the internal layer runner
Coolant liquid flow direction in road is opposite；
Casing rear end, the casing rear end are equipped with coolant liquid and are connected to platform, and the coolant liquid connection platform is equipped with cooling
Liquid intake channel and cooling liquid outlet channel, the cooling liquid inlet channel and the cooling liquid outlet channel with the internal layer
Runner and outer layer runner connect.
A kind of liquid cooling casing convenient for dynamo series according to the above, the internal layer runner include internal layer coolant flow channel,
Internal layer front end runner interface channel and internal layer runner rear end interface channel, the internal layer front end runner interface channel with it is described interior
Laminar flow road rear end interface channel is arranged at intervals on the both ends of described two adjacent inner layer coolant flow channels, and the outer layer runner includes outer
Layer coolant flow channel, outer layer front end runner interface channel and outer layer rear end runner interface channel, the connection of outer layer front end runner
Channel and outer layer runner rear end interface channel are arranged at intervals on the both ends of described two adjacent outward layer coolant flow channels.
A kind of liquid cooling casing convenient for dynamo series according to the above, the casing middle part is hollow cylindrical body, institute
State the axially upper S-shaped ectonexine distribution in the middle part of the casing of internal layer runner and the outer layer runner.
A kind of liquid cooling casing convenient for dynamo series according to the above, internal layer coolant flow channel in the middle part of the casing and outer
Protrusion is provided in layer coolant flow channel.
A kind of liquid cooling casing convenient for dynamo series according to the above, it is flat that the casing rear end is equipped with terminal box installation
Platform, the terminal box mounting platform, which is equipped with, draws string holes and terminal box mounting hole.
A kind of liquid cooling casing convenient for dynamo series according to the above, the internal layer runner and the outer layer runner exist
Rear end in the middle part of casing is equipped with inlet and liquid outlet, the inlet of the internal layer runner and the outer layer runner with it is described cold
But liquid intake channel connects, the liquid outlet of the internal layer runner and the outer layer runner with cooling liquid outlet channel phase
It connects.
A kind of liquid cooling casing convenient for dynamo series according to the above, the coolant liquid distribution platform are equipped with coolant liquid
Inlet opening, coolant liquid fluid hole and plug hole, the coolant liquid inlet opening and the coolant liquid fluid hole respectively with the cooling
Liquid intake channel and the cooling liquid outlet connect.
A kind of liquid cooling casing manufacturing method convenient for dynamo series, which is characterized in that comprising steps of
S1: by squeezing or casting or profile produces casing front end；Casing is produced by extrusion forming process
Middle part blank cuts blank in the middle part of casing according to the different length of homologous series motor；Casting and forming casing rear end blank；
S2: the front-end and back-end Milling Process of blank in the middle part of the casing in step S1 is gone out into runner front end interface channel and stream
Road rear end interface channel；Casing rear end blank in step S1 is drilled, cooling liquid inlet channel, cooling liquid outlet are processed
Channel and plug hole；
S3: the casing front end of step S1 is welded as after the casing middle part of step S2 and the casing rear end positioning of step S2
It is whole, form motor case；
S4: the motor case in step S3 is finished, and forms finished product after vehicle circle inner hole and seam allowance.
A kind of liquid cooling casing manufacturing method convenient for dynamo series according to the above further includes step in the step S1
It is rapid: according to welding procedure, casing front end being processed into welding groove.
A kind of liquid cooling casing manufacturing method convenient for dynamo series according to the above further includes step in the step S1
It is rapid: to drill to blank shell in the middle part of casing, process internal layer coolant flow channel and outer layer coolant flow channel.
The invention has the following advantages:
1, the present invention provides a kind of liquid cooling casing convenient for dynamo series, which is suitable for homologous series different length
Motor reduces the die cost of different length motor, be convenient for modularization, seriation and standardization, advantageously reduce cost and
Improve the quality of product；
2, coolant flow channel of the present invention is ectonexine parallel connection coolant flow channel, and heat dissipation area is bigger, and the pressure loss is small, inside and outside laminar flow
Reverse fluid flow in road, Temperature Distribution more evenly, casing thermal deformation also more evenly, good cooling results, conducive to motor case
Quality-improving.
3, it is equipped with terminal box mounting platform on casing rear end, reduces the transition connecting plate between motor and terminal box, saves
About assembly man-hour more conducively promotes the degree of protection of product.
4, a kind of liquid cooling casing manufacturing method convenient for dynamo series of the invention, method is simple, is melted into convenient for batch
It produces, used mould structure is simple, and manufacturing cost is low, conducive to the product for producing price competitiveness.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is wiring mounting platform structural schematic diagram of the invention；
Fig. 3 is casing rear end structural schematic diagram of the invention；
Fig. 4 is schematic cross-section in the middle part of casing of the invention；
Fig. 5 is runner distribution map of the invention.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
But invention is not limited to these examples.
As shown in Figs. 1-5, a kind of liquid cooling casing convenient for dynamo series, comprising:
Casing front end 100, casing front end 100 can be obtained by modes such as extruding or casting and formings, and production is simple, convenient big
Batch production, save the cost.
200 in the middle part of casing, 200 front end connects with casing front end 100 in the middle part of casing, 200 rear end and machine in the middle part of casing
Shell rear end 400 connects, and connects into an entirety by welding, sound construction, and processing cost is low.
Cooling liquid flowing channel 300, cooling liquid flowing channel 300 include internal layer runner 310 and outer layer runner 320,310 He of internal layer runner
Outer layer runner 320 is arranged at intervals in the middle part of casing on 300 ectonexine, and the internal layer position of casing is arranged in internal layer runner 310, and
Outer layer runner 320 is then arranged in the middle part of casing 200 outer layer position and is staggered with internal layer runner 310 and the positioning of center of circle line, makes
The area coverage for obtaining cooling liquid flowing channel 300 is big, and heat dissipation area is bigger, coolant liquid flow direction and outer layer runner in internal layer runner 310
Coolant liquid flow direction in 320 is on the contrary, the coolant liquid i.e. in internal layer runner 310 is counterclockwise from the point of view of the direction of 200 axis in the middle part of casing
When flowing, coolant liquid clockwise flow in outer layer runner, conversely, the coolant liquid in internal layer runner 310 is along 200 axis in the middle part of casing
Direction from the point of view of clockwise flow when, coolant liquid in outer layer runner 320 then counterclockwise flow, cooling liquid stream in ectonexine runner
To temperature being made uniform on the contrary, while the thermal deformation of casing is also more uniform, good cooling results.
Casing rear end 400, casing rear end 400 are equipped with coolant liquid and are connected to platform 410, and coolant liquid connection platform 410 is equipped with
Cooling liquid inlet channel 411 and cooling liquid outlet channel 412, cooling liquid inlet channel 411 and cooling liquid outlet channel 412 with
Internal layer runner 310 and outer layer runner 320 connect, cooling liquid inlet channel 411 by coolant liquid be diverted to internal layer runner 310 and
In outer layer runner 320, cooling liquid outlet is pooled to when the coolant liquid in internal layer runner 310 and outer layer runner 320 needs to be discharged
In channel 412, it is discharged together.
Internal layer runner 310 is including after internal layer coolant flow channel 311, internal layer front end runner interface channel 312 and internal layer runner
Interface channel 313 is held, internal layer front end runner interface channel 312 and internal layer runner rear end interface channel 313 are arranged at intervals on two
The both ends of adjacent inner layer coolant flow channel 311, internal layer front end runner interface channel 312 and internal layer rear end runner interface channel 313 will
The perforation of internal layer coolant flow channel 311 is got up, and S-shaped internal layer runner is formed, before outer layer runner 320 is including outer layer coolant flow channel 321, outer layer
Hold runner interface channel 322 and outer layer runner rear end runner interface channel 323, outer layer front end runner interface channel 322 and outer
Laminar flow road rear end interface channel 323 is arranged at intervals on the both ends of two adjacent outward layer coolant flow channels 321, the connection of outer layer front end runner
The perforation of outer layer coolant flow channel 321 is got up with outer layer rear end runner interface channel 323 in channel 322, forms S-shaped outer layer runner, interior
Laminar flow road 310 and outer layer runner 320 200 in the middle part of the casing on S-shaped runner, increase connecing for runner and casing middle part 200
Contacting surface product, while but also coolant liquid 200 in the middle part of the casing on cooling effect distribution more uniformly, strengthen heat dissipation effect
Fruit, so that 200 thermal deformation is also more uniform in the middle part of casing.
200 be hollow cylindrical body, internal layer runner 310 and outer layer runner 320 in the middle part of the casing in 200 axial directions in the middle part of casing
Motor is placed in S-shaped ectonexine distribution, the hollow position at casing middle part 200, and the heat that motor gives out will lead in the middle part of casing
200 housing distortion, is arranged internal layer runner 310 and outer layer runner 320 absorbs heat and reduces housing distortion value.
Protrusion is provided in 200 internal layer coolant flow channel 311 and outer layer coolant flow channel 312 in the middle part of casing (not mark in figure
Note), protrusion increases the contact area of coolant liquid, reinforces heat dissipation.
Casing rear end 400 is equipped with terminal box mounting platform 420, and terminal box mounting platform 420, which is equipped with, draws 421 He of string holes
Terminal box mounting hole 422, casing rear end 400 can directly be connect with connection box for motor by terminal box mounting platform 420, be reduced
Excessive connecting plate between motor and terminal box, it is convenient for assembly.
Internal layer runner 310 and outer layer runner 320 200 rear end in the middle part of casing are equipped with inlet and liquid outlet (in figure
Do not mark), internal layer runner 310 connects with cooling liquid inlet channel 411 with the inlet of outer layer runner 320, cooling liquid inlet
Coolant liquid is diverted in ectonexine runner by channel 411 simultaneously, the liquid outlet of internal layer runner 310 and outer layer runner 320 with it is cold
But liquid exit passageway 412 connects, and one week the coolant liquid outlet from internal layer runner 310 and outer layer respectively are recycled along ectonexine runner
The outlet of runner 320 is pooled in cooling liquid outlet channel 412, is then exhausted from except motor.
Coolant liquid distribution platform 410 is equipped with coolant liquid inlet opening 413, coolant liquid fluid hole 414 and plug hole 415, cold
But liquid connects with cooling liquid inlet channel 411 and cooling liquid outlet channel 412 respectively into hole 413 and coolant outlet 414, cold
But liquid inlet opening 413 and coolant liquid fluid hole 414 primarily serve the disengaging and distribution coolant liquid of connection peripheral equipment coolant liquid
To the effect in coolant liquid inlet and outlet channel.
In the present invention, the working principle of liquid cooling casing is as follows: coolant liquid inlet opening 413 and coolant liquid fluid hole 414 connect
Peripheral equipment provides coolant liquid, and coolant liquid flows to cooling liquid inlet channel 411 by inlet opening, and cooling liquid inlet channel 411 will be cold
But liquid is diverted in internal layer runner 310 and outer layer runner 320, internal layer runner 310 and the S-shaped distribution of outer layer runner 320
On 200 in the middle part of the casing, internal layer runner 310 and outer layer runner 320 see flow direction on the contrary, when coolant liquid is in inner laminar flow along the direction of axis
When road 310 and outer layer runner 320 recycle one week, respectively from the liquid outlet of internal layer runner 310 and the liquid outlet of outer layer runner 320
It is pooled in cooling liquid outlet channel 412, is transported in peripheral equipment by coolant liquid fluid hole 414, circulation temperature lowering out.
A kind of liquid cooling casing manufacturing method convenient for dynamo series, comprising steps of
S1: by squeezing or casting or profile produces casing front end 100；Machine is produced by extrusion forming process
200 blanks in the middle part of shell cut 200 blanks in the middle part of casing according to the different length of homologous series motor；Casting and forming casing
400 blank of rear end.
S2: it is logical that the front-end and back-end of 200 blanks in the middle part of the casing in step S1 are processed into the connection of ectonexine runner front end
Ectonexine runner in 200 blanks in the middle part of casing is respectively communicated with by road and runner rear end interface channel；After casing in step S1
It holds 400 blanks to drill, processes cooling liquid inlet channel 411, cooling liquid outlet channel 412 and plug hole 415.
S3: the casing rear end 400 of the casing front end 100 of step S1, the 200 and step S2 of casing middle part of step S2 is positioned
After be welded as entirety, form motor case, according to being welded as a whole again after the requirement positioning of art work sheet, be connected firmly and
Welded seal is good, prevents moisture from entering motor.
S4: the motor case in step S3 is finished, and forms finished product after vehicle circle inner hole and seam allowance.
In step sl, 200 blanks can be cut according to the different length of homologous series motor in the middle part of casing, can be saved more
The casing die of homologous series motor is covered, convenient for modularization, seriation, standardization ground production casing, advantageously reduces cost and control
Product quality processed.
Processing, casing middle part is further processed to 200 blanks in the middle part of casing and 400 blank of casing rear end in step S2
200 process runner front end interface channel and runner rear end interface channel, including inside and outside laminar flow road front end interface channel and it is interior,
Runner in the middle part of casing 200 is connected to by outer layer runner rear end interface channel, and casing rear end 400 goes out to cool down using drilling processing
Liquid import and export channel and plug hole 415, it is convenient for production that the processing is simple.
In step sl, after casing front end 100 manufactures, casing front end 100 is handled by welding procedure, is processed
Welding groove out can be processed by the way of machining or gas cutting, with specific reference to the required precision of welding groove
Selection, it is desirable that gas cutting can be used when not high, welding groove can guarantee the weld strength of casing front end 100 in the middle part of casing 200.
In step sl, after 200 blanks are cut in the middle part of to casing, it can drill to it, it is cold to process outer layer
But runner 311 and internal layer coolant flow channel 321, form complete coolant flow channel.
The present invention provides a kind of liquid cooling casings and its manufacturing method convenient for dynamo series, by cooling to ectonexine
The interval of runner is arranged and flow direction setting is so that casing cooling effect is obvious, is heated more uniformly, by minister in casing
The selection and cutting of degree, realize the producing in serial form of motor case.
Detailed elaboration is carried out to technical solution of the present invention in conjunction with attached drawing above, described embodiment is used to help
Understand thought of the invention.Specific embodiment described herein is only an example for the spirit of the invention.Invention institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of liquid cooling casing convenient for dynamo series characterized by comprising
Casing front end；
In the middle part of casing, the front end in the middle part of the casing connects with the casing front end；
Cooling liquid flowing channel, the cooling liquid flowing channel include internal layer runner and outer layer runner, the internal layer runner and the outer laminar flow
Road is arranged at intervals on the ectonexine in the middle part of the casing, in the coolant liquid flow direction and the outer layer runner in the internal layer runner
Coolant liquid flow direction it is opposite；
Casing rear end, the casing rear end are equipped with coolant liquid and are connected to platform, coolant liquid connection platform be equipped with coolant liquid into
Mouthful channel and cooling liquid outlet channel, the cooling liquid inlet channel and the cooling liquid outlet channel with the internal layer runner
And outer layer runner connects.
2. a kind of liquid cooling casing convenient for dynamo series according to claim 1, which is characterized in that the internal layer runner
Including internal layer coolant flow channel, internal layer front end runner interface channel and internal layer runner rear end interface channel, the internal layer front end stream
Road interface channel and internal layer runner rear end interface channel are arranged at intervals on the both ends of described two adjacent inner layer coolant flow channels,
The outer layer runner includes outer layer coolant flow channel, outer layer front end runner interface channel and outer layer rear end runner interface channel, institute
Stating outer layer front end runner interface channel, with outer layer runner rear end interface channel to be arranged at intervals on described two adjacent outward layers cold
But the both ends of runner.
3. a kind of liquid cooling casing convenient for dynamo series according to claim 1, which is characterized in that in the middle part of the casing
For hollow cylindrical body, the axially upper S-shaped ectonexine distribution in the middle part of the casing of the internal layer runner and the outer layer runner.
4. a kind of liquid cooling casing convenient for dynamo series according to claim 2, which is characterized in that in the middle part of the casing
Internal layer coolant flow channel and outer layer coolant flow channel in be provided with protrusion.
5. a kind of liquid cooling casing convenient for dynamo series according to claim 1, which is characterized in that the casing rear end
Equipped with terminal box mounting platform, the terminal box mounting platform, which is equipped with, draws string holes and terminal box mounting hole.
6. a kind of liquid cooling casing convenient for dynamo series according to claim 1 or 2, which is characterized in that the internal layer
Runner and rear end of the outer layer runner in the middle part of casing are equipped with inlet and liquid outlet, the internal layer runner and the outer layer
The inlet of runner connects with the cooling liquid inlet channel, the liquid outlet of the internal layer runner and the outer layer runner with
The cooling liquid outlet channel connects.
7. a kind of liquid cooling casing convenient for dynamo series according to claim 1, which is characterized in that the cooling liquid stream
Logical platform is equipped with coolant liquid into hole, coolant outlet and plug hole, and the coolant liquid is distinguished into hole and the coolant outlet
Connect with the cooling liquid inlet channel and the cooling liquid outlet.
8. a kind of liquid cooling casing manufacturing method convenient for dynamo series, which is characterized in that comprising steps of
S1: by squeezing or casting or profile produces casing front end；It is produced in the middle part of casing by extrusion forming process
Blank cuts blank in the middle part of casing according to the different length of homologous series motor；Casting and forming casing rear end blank；
S2: the front-end and back-end of blank in the middle part of the casing in step S1 are gone out into runner front end interface channel and stream by Milling Process
Road rear end interface channel；Casing rear end blank in step S1 is drilled, cooling liquid inlet channel, cooling liquid outlet are processed
Channel and plug hole；
S3: by the casing front end of step S1, being welded as entirety after the casing middle part of step S2 and the casing rear end positioning of step S2,
Form motor case；
S4: the motor case in step S3 is finished, and forms finished product after vehicle circle inner hole and seam allowance.
9. a kind of liquid cooling casing manufacturing method convenient for dynamo series according to claim 7, which is characterized in that described
It in step S1, further comprises the steps of: according to welding procedure, casing front end is processed into welding groove.
10. a kind of liquid cooling casing manufacturing method convenient for dynamo series according to claim 7, which is characterized in that institute
It states in step S1, further comprises the steps of: and drill to blank shell in the middle part of casing, process internal layer coolant flow channel and outer layer is cooling
Runner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910215881.1A CN109802508A (en) | 2019-03-21 | 2019-03-21 | A kind of liquid cooling casing and its manufacturing method convenient for dynamo series |
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| CN201910215881.1A CN109802508A (en) | 2019-03-21 | 2019-03-21 | A kind of liquid cooling casing and its manufacturing method convenient for dynamo series |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110601394A (en) * | 2019-09-27 | 2019-12-20 | 珠海格力电器股份有限公司 | Stator cooling structure, stator assembly and motor with same |
| CN111629559A (en) * | 2020-04-29 | 2020-09-04 | 上海航天科工电器研究院有限公司 | Liquid cooling heat dissipation plate based on three-dimensional cooling flow channel and machining method thereof |
| CN113991924A (en) * | 2021-09-30 | 2022-01-28 | 珠海格力电器股份有限公司 | Casing of high-efficient heat dissipation liquid cooling and motor and air compressor machine thereof |
| CN113991916A (en) * | 2021-11-04 | 2022-01-28 | 珠海格力电器股份有限公司 | Motor casing, motor, air compressor machine system and domestic appliance |
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| CN111629559A (en) * | 2020-04-29 | 2020-09-04 | 上海航天科工电器研究院有限公司 | Liquid cooling heat dissipation plate based on three-dimensional cooling flow channel and machining method thereof |
| CN113991924A (en) * | 2021-09-30 | 2022-01-28 | 珠海格力电器股份有限公司 | Casing of high-efficient heat dissipation liquid cooling and motor and air compressor machine thereof |
| CN113991916A (en) * | 2021-11-04 | 2022-01-28 | 珠海格力电器股份有限公司 | Motor casing, motor, air compressor machine system and domestic appliance |
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