CN202616918U - Cooling device of motor - Google Patents
Cooling device of motor Download PDFInfo
- Publication number
- CN202616918U CN202616918U CN 201220294650 CN201220294650U CN202616918U CN 202616918 U CN202616918 U CN 202616918U CN 201220294650 CN201220294650 CN 201220294650 CN 201220294650 U CN201220294650 U CN 201220294650U CN 202616918 U CN202616918 U CN 202616918U
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- water
- cooling
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- motor
- casing
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- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to a cooling device for a motor. The cooling device comprises a machine case inner sleeve and a machine case outer sleeve, wherein an annular sandwich layer is formed between the machine case inner sleeve and the machine case outer sleeve. The cooling device is characterized in that a plurality of cooling water passages and hot air passages in the axial direction are respectively arranged in the annular sandwich layer, the cooling water passages and the hot air passages are in interval arrangement and are mutually sealed, two ends of the machine outer sleeve are respectively provided with an annular water distribution cavity and an annular water collecting cavity, a main water inlet and branch water outlets communicated with each cooling water passage are arranged on the annular water distribution cavity, a main water outlet and branch water inlets communicated with each cooling water passage are arranged on the annular water collecting cavity, and two ends of the machine case inner sleeve are respectively provided with an air inlet hole and an air outlet hole communicated with the hot air passages. The temperature of each component inside the motor can be effectively lowered, the generation of local overheat points inside the motor is avoided, and the power density of the motor is improved.
Description
Technical field
The present invention relates to a kind of motor and use cooling device, be particularly useful for high power density motor.
Background technology
Along with the direction of motor to high-power, high power density and small size develops; The loss of motor unit volume is increasing, causes each part temperatures rising in the motor, directly influences motor useful life and reliability of operation; Therefore, the cooling problem of motor more and more receives extensive concern.
At present, high power density motor mainly adopts the casing water cooling plant to cool off.The casing water cooling plant generally is made up of cover, casing overcoat in the casing; Be provided with the heat radiation gusset in the interlayer that cover and casing overcoat form in the casing to improve thermal diffusivity; Electric machine stator iron contacts with the interior cover of casing; And heat in the motor passed in casing, overlap, through the cooling water in the interlayer motor internal heat is taken away again.This water cooling plant has reduced the motor surface temperature rise to a certain extent, but relatively poor to the motor internal cooling-down effect.Main cause is that the motor internal air flow property is relatively poor, and the heat of each pyrotoxin can not effectively shed in the motor, makes heat accumulation in the motor internal somewhere easily, causes local overheating, thereby influences the safe operation and the useful life of motor.
Summary of the invention
Technical problem to be solved by this invention provides a kind of motor that can effectively reduce each part temperatures of motor internal and uses cooling device, avoids motor internal to produce local hot spot, improves the power density of motor.
Technical scheme of the present invention is:
This motor is used cooling device; Comprise cover and casing overcoat in the casing; Form annular gap between cover and the casing overcoat in the casing; Its special character is: be respectively equipped with a plurality of along its axial cooling-water duct and hot-air channel in the said annular gap; Said cooling-water duct and hot-air channel separation and airtight each other, the two ends of said casing overcoat are respectively equipped with annular and divide water cavity and annular charge for remittance chamber, the branch road delivery port that said annular divides water cavity to be provided with total water inlet and to communicate with each cooling-water duct; Said annular charge for remittance chamber is provided with the branch road water inlet and total delivery port that communicates with each cooling-water duct, and the cover two ends are respectively equipped with air admission hole and the venthole that communicates with said hot-air channel in the said casing.
Said total water inlet is located at the bottom outer surface that said annular is divided water cavity, and said total delivery port is located at the outer surface of cupular part in said annular charge for remittance chamber.
The quantity of said cooling-water duct, branch road delivery port, branch road water inlet equates.
Be provided with the water channel dividing plate between said cooling-water duct and the hot-air channel, to realize separation and airtight each other.
Said cooling-water duct and branch road water inlet, branch road delivery port are the integral type pipe structure, to reach better sealing, prevent to leak.
The axial length of said casing overcoat with the seal of assurance motor, and then reaches the high power density motor requirement of shelter greater than the axial length that overlaps in the casing.
The invention has the beneficial effects as follows:
1, owing in annular gap, is respectively equipped with cooling-water duct and hot-air channel and separation; Divide water cavity, branch road water inlet to inject cooling water through total water inlet, annular in the cooling-water duct, launch to be multiple branch circuit parallel connection cooling structure along the motor axial direction, hot-air channel imports the motor internal hot-air through putting the air admission hole that is provided with in the casing; Heat exchange directly takes place in cooling-water duct and hot-air channel; Cooling water is taken away the heat of hot-air, flow to the venthole place that puts in the casing after the hot-air cooling and gets into motor internal cooling pyrotoxin, effectively reduces the temperature of parts such as motor internal stator winding; Reduce the possibility that produces local hot spot; Farthest satisfy the cooling requirement of high power density motor, cooling effectiveness improves 40%, and the power density that improves motor indirectly is more than 30.
2, because being respectively equipped with annular, the outer surface two ends of casing overcoat divide water cavity and annular charge for remittance chamber; Cooling-water duct divides water cavity and annular charge for remittance chamber to realize circulating of cooling water through annular; The generation that annular divides water cavity and annular charge for remittance chamber to prevent the situation of leaking has guaranteed reliability and fail safe that motor uses; Help to improve the independence of cooling-water duct and hot-air channel structure, guaranteed motor airtight requirement in use.
Description of drawings
Fig. 1 is structural representation of the present invention (corresponding embodiment 1);
Fig. 2 is the cutaway view of A-A among Fig. 1;
Fig. 3 is structural representation of the present invention (corresponding embodiment 2);
Fig. 4 is the cutaway view of B-B among Fig. 3.
Among the figure: cover 5, total water inlet 6, hot-air channel 7, water channel dividing plate 8, cooling-water duct 9, annular are divided water cavity 10, branch road water inlet 11, air admission hole 12, venthole 13, heat conduction glue-line 14 in total delivery port 1, annular charge for remittance chamber 2, branch road delivery port 3, casing overcoat 4, the casing.
Embodiment
Embodiment 1
Like Fig. 1, shown in Figure 2, this motor is used cooling device, comprises cover 5 and casing overcoat 4 in the casing, forms annular gap between cover 5 and the casing overcoat 4 in the casing, the axial length of casing overcoat 4 greater than overlap 5 in the casing, the axial length of annular gap.Be respectively equipped with a plurality ofly along its axial cooling-water duct 9 and hot-air channel 7 in the annular gap, cooling-water duct 9 and hot-air channel 7 separation and airtight each other are provided with water channel dividing plate 8 between cooling-water duct 9 and the hot-air channel 7.The one end outside of casing overcoat 4 is provided with the annular water cavity 10 that divides, and the other end outside is provided with annular charge for remittance chamber 2, and annular divides water cavity 10 and annular charge for remittance chamber 2 near electric motor end cap two side positions.Annular divides water cavity 10 to be provided with total water inlet 6; Specifically be located at annular and divide the bottom outer surface of water cavity 10, annular divides the inner surface of water cavity 10 to be provided with the branch road water inlet 11 at corresponding cooling-water duct 9 places, and utilizes branch road water inlet 11 to communicate with cooling-water duct 9; Annular charge for remittance chamber 2 is provided with total delivery port 1; Specifically be located at the outer surface of cupular part in annular charge for remittance chamber 2, the inner surface in annular charge for remittance chamber 2 is provided with the branch road delivery port 3 at corresponding cooling-water duct 9 places, and utilizes branch road delivery port 3 to communicate with cooling-water duct 9; The quantity of cooling-water duct 9, branch road delivery port 3, branch road water inlet 11 equates, has formed the form of multiple branch circuit cooling-water duct 9 parallel connections.Cover 5 two ends are respectively equipped with the air admission hole 12 and venthole 13 at corresponding hot-air channel 7 places in the casing.
The course of work: cooling water gets into annular through total water inlet 6 and divides in the water cavity 10; Flow in a plurality of cooling-water ducts 9 via a plurality of branch road water inlets 11; The hot-air of an end gets into hot-air channel 7 through air admission hole 12 in the motor, and along the motor axial flow, cooling water carries out heat exchange through the hot-air that water channel dividing plate 8 is adjacent in the hot-air runner 7; Hot-air cooling back flow into the other end of motor internal through venthole 13; And then inner each pyrotoxin of cooling motor, cooling water is heated, via annular charge for remittance chamber 2, branch road delivery port 3, total delivery port 1 outflow motor outside.When using this device for cooling; Total water inlet 6 links to each other with external cooler respectively with total delivery port 1, has guaranteed that cooling water carries out lowering the temperature after the heat exchange, water pump is set on the connecting line pressure is provided; Cooling water is got into by total water inlet 6; Through the cooling-water duct 9 of many parallel connections, finally flow out by total delivery port 1, form an airtight outer water-cooling circulating system.
Like Fig. 3, shown in Figure 4; No water channel dividing plate 9 in the annular gap; Cooling-water duct 9 is the integral type pipe structure with branch road water inlet 11, branch road delivery port 3; Gap between cooling-water duct 9 bodys and annular gap utilizes the heat-conducting glue of good heat conductivity to fill and forms heat conduction glue-line 14, utilizes body and heat conduction glue-line 14 and hot-air channel 7 separation and sealing each other, and guarantees heat dispersion.Other are with embodiment 1.
Claims (6)
1. a motor is used cooling device; Comprise cover and casing overcoat in the casing; Form annular gap between cover and the casing overcoat in the casing; It is characterized in that: be respectively equipped with a plurality of in the said annular gap along its axial cooling-water duct and hot-air channel; Said cooling-water duct and hot-air channel separation and airtight each other, the two ends of said casing overcoat are respectively equipped with annular and divide water cavity and annular charge for remittance chamber, the branch road delivery port that said annular divides water cavity to be provided with total water inlet and to communicate with each cooling-water duct; Said annular charge for remittance chamber is provided with the branch road water inlet and total delivery port that communicates with each cooling-water duct, and the cover two ends are respectively equipped with air admission hole and the venthole that communicates with said hot-air channel in the said casing.
2. motor according to claim 1 is used cooling device, it is characterized in that: be provided with the water channel dividing plate between said cooling-water duct and the hot-air channel.
3. motor according to claim 1 is used cooling device, it is characterized in that: said cooling-water duct and branch road water inlet, branch road delivery port are the integral type pipe structure.
4. motor according to claim 1 is used cooling device, it is characterized in that: said total water inlet is located at the bottom outer surface that said annular is divided water cavity, and said total delivery port is located at the outer surface of cupular part in said annular charge for remittance chamber.
5. motor according to claim 1 is used cooling device, it is characterized in that: the quantity of said cooling-water duct, branch road delivery port, branch road water inlet equates.
6. motor according to claim 1 is used cooling device, it is characterized in that: the axial length of said casing overcoat is greater than the axial length that overlaps in the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220294650 CN202616918U (en) | 2012-06-21 | 2012-06-21 | Cooling device of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220294650 CN202616918U (en) | 2012-06-21 | 2012-06-21 | Cooling device of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202616918U true CN202616918U (en) | 2012-12-19 |
Family
ID=47350588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220294650 Expired - Fee Related CN202616918U (en) | 2012-06-21 | 2012-06-21 | Cooling device of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202616918U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160349A (en) * | 2016-07-14 | 2016-11-23 | 江苏华源防爆电机有限公司 | Outer water-cooled direct-drive permanent-magnetism motor |
| CN107509013A (en) * | 2017-09-07 | 2017-12-22 | 钦州学院 | Make steel the high temperature resistant camera machine of monitoring |
| CN109968586A (en) * | 2019-05-05 | 2019-07-05 | 滁州益佳模具设备制造有限公司 | A kind of door of refrigerator foaming mould |
| CN112350498A (en) * | 2020-12-17 | 2021-02-09 | 哈尔滨理工大学 | Novel cooling device for motor |
-
2012
- 2012-06-21 CN CN 201220294650 patent/CN202616918U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160349A (en) * | 2016-07-14 | 2016-11-23 | 江苏华源防爆电机有限公司 | Outer water-cooled direct-drive permanent-magnetism motor |
| CN107509013A (en) * | 2017-09-07 | 2017-12-22 | 钦州学院 | Make steel the high temperature resistant camera machine of monitoring |
| CN109968586A (en) * | 2019-05-05 | 2019-07-05 | 滁州益佳模具设备制造有限公司 | A kind of door of refrigerator foaming mould |
| CN112350498A (en) * | 2020-12-17 | 2021-02-09 | 哈尔滨理工大学 | Novel cooling device for motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20140621 |
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| EXPY | Termination of patent right or utility model |