CN202210737U - Air conditioner and cooling structure of motor of refrigerating machine thereof - Google Patents
Air conditioner and cooling structure of motor of refrigerating machine thereof Download PDFInfo
- Publication number
- CN202210737U CN202210737U CN2011203564544U CN201120356454U CN202210737U CN 202210737 U CN202210737 U CN 202210737U CN 2011203564544 U CN2011203564544 U CN 2011203564544U CN 201120356454 U CN201120356454 U CN 201120356454U CN 202210737 U CN202210737 U CN 202210737U
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- Prior art keywords
- refrigerant
- motor
- cooling structure
- inlet
- winding
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- 238000001816 cooling Methods 0.000 title claims abstract description 48
- 239000003507 refrigerant Substances 0.000 claims abstract description 90
- 238000004804 winding Methods 0.000 claims abstract description 26
- 238000005057 refrigeration Methods 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides an air conditioner and cooling structure of motor of refrigerator thereof. The cooling structure includes: the refrigerant inlet and the refrigerant outlet are respectively arranged on the shell of the motor; a refrigerant channel is arranged between the inner wall of the shell and the winding of the motor; a gap is formed between the rotor of the motor and the winding; the refrigerant inlet is communicated with the inlet of the refrigerant channel, the outlet of the refrigerant channel is communicated with the inlet of the gap, and the outlet of the gap is communicated with the refrigerant outlet. The utility model discloses a clearance between refrigerant passageway and the motor winding that set up on the inner wall of the casing of motor and the rotor utilizes the refrigerant of refrigerator itself to carry out abundant cooling to the motor of refrigerator, has ensured the safety and stability operation of motor, when reaching good cooling effect, has left out conventional attached cooling setting, makes entire system's structure simpler to the cooling cost has been reduced.
Description
Technical field
The utility model relates to field of air conditioning, more specifically, relates to the cooling structure of the motor of a kind of air conditioner and refrigeration machine thereof.
Background technology
For motor (particularly high-speed high-power motor),, can produce a large amount of heats because the rotor of motor is in the high speed rotating state in the motor cavity.Therefore, apply under the inadequate situation not applying cooling provision or cooling provision, this heat can constantly accumulate, thereby causes the rotor of motor and the temperature of winding to raise gradually.
The too high meeting of motor temperature has a strong impact on the useful life of motor, and this shows following several respects: at first, when motor moved in the too high environment of temperature, its insulating material can be accelerated to wear out, insulation property can reduce, and can burn out motor when serious; Secondly, the temperature of the winding of motor is high more, and its resistance is also high more, thereby can produce more heat, so that forms vicious circle, causes electric efficiency to be reduced greatly; Once more, too high temperature can influence the magnetic of motor internal permanent magnet, can make the permanent magnet demagnetization when serious.In addition, cube being directly proportional of the heating loss of motor and the linear dimension of motor, therefore, the heating of heavy-duty motor, cooling problem just seem even more important.
For the refrigeration machine of air conditioner, motor is as an important component part of refrigeration machine, and its security of operation is stable to be the important leverage of refrigeration machine performance.Therefore, the cooling problem of the motor of the refrigeration machine of air conditioner is directly connected to the reliability of refrigeration machine, the winding of motor internal and rotor is cooled off fully be very necessary.Yet, need adopt outside cooling infrastructure during the cooling of the motor of refrigeration machine of the prior art, therefore have cooling structure complicacy, shortcoming that cost is high.
The utility model content
The cooling structure of the air conditioner that the utility model aims to provide that a kind of cooling structure is simple, dependable performance, cost are low and the motor of refrigeration machine thereof.
For solving the problems of the technologies described above, according to an aspect of the utility model, a kind of cooling structure of motor of refrigeration machine is provided, comprising: refrigerant inlet and refrigerant exit, refrigerant inlet and refrigerant exit are separately positioned on the housing of motor; Be provided with refrigerant passage between the inwall of housing and the winding of motor; Has the gap between the rotor of motor and the winding; The refrigerant inlet is communicated with the inlet of refrigerant passage, and the outlet of refrigerant passage is communicated with the inlet in gap, and the outlet in gap is communicated with refrigerant exit.
Further, refrigerant passage is one or more to be formed on the groove on the inwall of housing.
Further, refrigerant passage is extended to second end of winding by first end of winding.
Further, groove is a helicla flute.
Further, many grooves circumferentially evenly being provided with along the inwall of housing.
Further, many grooves axially evenly being provided with along the inwall of housing.
Further, many grooves are parallel to each other.
Further, the housing casting forms.
Further, the refrigerant inlet is connected with the refrigerant liquid outlet of refrigeration machine, and refrigerant exit is connected with the refrigerant inlet of refrigeration machine.
Further, the refrigerant inlet is provided with the refrigerant feed tube, and the refrigerant feed tube is provided with flow regulator.
Another aspect according to the utility model provides a kind of air conditioner, and it comprises refrigeration machine and be used to drive the motor of refrigeration machine that motor has above-mentioned cooling structure.
Refrigerant passage and motor windings and the gap between rotor of the utility model through on the inwall of the housing of motor, being provided with; The refrigerant that utilizes refrigeration machine itself fully cools off the motor of refrigeration machine; Ensure the safe and stable operation of motor, when reaching good cooling effect, omitted conventional attached cooling settings; Make the structure of whole system simpler, and reduced cooling cost.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 has schematically shown the structural representation of the utility model.
Embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As an aspect of the utility model, the utility model provides a kind of cooling structure of motor of refrigeration machine.As shown in Figure 1, the cooling structure of the motor of the refrigeration machine in the utility model comprises: refrigerant inlet A and refrigerant exit B, and wherein, refrigerant inlet A and refrigerant exit B are separately positioned on the housing 1 of motor; Be provided with refrigerant passage 4 between the inwall of housing 1 and the winding of motor 2, have gap 5 between the rotor 3 of motor and the winding 2; Refrigerant inlet A is communicated with the inlet of refrigerant passage 4, and the outlet of refrigerant passage 4 is communicated with the inlet in gap 5, and the outlet in gap 5 is communicated with refrigerant exit B.Preferably, refrigerant passage 4 is extended to second end of winding 2 by first end of said winding 2.Preferably, refrigerant inlet A is connected with the refrigerant liquid outlet of refrigeration machine, and refrigerant exit B is connected with the refrigerant inlet of refrigeration machine; Therefore; Need not outside cooling infrastructure, in the process of refrigerator operation, the refrigerant of refrigerating device inner (particularly liquid refrigerants) will constantly pass through predefined refrigerant passage 4; Take away the heat of motor internal, realize cooling motor; In addition, adopt the refrigerant of refrigeration machine to cool off, the refrigerant supply of steady and continuous can be provided, thereby can ensure the cooling effect of motor, be beneficial to the long-term stability operation of motor.Shown in the arrow among Fig. 1, refrigerant is at first got in the refrigerant passage 4 by the inlet of the refrigerant on the housing 1 of motor A, flows to the direction of second end along first end of refrigerant passage 4 by winding 2 then, in this process, accomplishes the cooling to winding 2; Arrive the outlet of refrigerant passage 4 when refrigerant after, get into immediately in the gap 5 between rotor 3 and the winding 2, and the direction of to first end from second termination of winding 2 by gap 5 flows, in this process, completion is to the cooling of rotor 3; Reach the outlet of refrigerant passage 4 when refrigerant after, flow out by refrigerant exit B.It is thus clear that; The utility model has made full use of the refrigeration advantage of refrigeration machine itself, fully cools off through the motor of refrigerant to refrigeration machine, has ensured the safe and stable operation of motor; When reaching good cooling effect; Omitted conventional attached cooling settings, made the structure of whole system simpler, and reduced cooling cost.Preferably, the size of refrigerant exit B is greater than the size of refrigerant inlet A.
Preferably, refrigerant passage 4 is one or more to be formed on the groove on the inwall of housing.Preferably, groove is a helicla flute, through the spiral fluted mode; Can make refrigerant have long flow process, thereby can cover bigger cooling range, increase refrigerant passing through the time in refrigerant passage 4; So that can take away the heat that produces in the motor operation course fully, equably; Reduce the winding of motor and the temperature of rotor, help the long-term normal and stable operation of motor, prolonged the useful life of motor.Preferably, these many grooves are along circumferentially evenly being provided with of the inwall of housing, and preferably, many grooves axially evenly are provided with along the inwall of housing; Preferably, these many grooves are parallel to each other, and also can make things convenient for, realize efficiently the cooling to winding 2 through a plurality of grooves that laterally arrange.Design through above-mentioned refrigerant passage; Make refrigerant cool off the winding of motor earlier; And then the rotor of motor cooled off, therefore, only need can reach the effect of comprehensive cooling through refrigerant passage 4; No longer need outside cooling infrastructure, thus can simplied system structure, practice thrift cost.
Preferably, housing 1 casting forms, or is processed by steel plate, adopts aforesaid way, makes housing 1 have thicker wall thickness, thereby has enough thickness can process refrigerant passage 4 (particularly helicla flute).
Preferably; Refrigerant inlet A is provided with refrigerant feed tube (not shown), and the refrigerant feed tube is provided with the flow regulator (not shown), and it is used for regulating the flow of the refrigerant that gets into motor; So that the motor internal temperature remains on proper range, realize control to motor temperature.Especially, flow regulator is an electric expansion valve.
As the utility model on the other hand, the utility model provides a kind of air conditioner, and it comprises refrigeration machine and be used to drive the motor of refrigeration machine that this motor has the cooling structure in above-mentioned each preferred implementation.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (10)
1. the cooling structure of the motor of a refrigeration machine is characterized in that, comprising:
Refrigerant inlet (A) and refrigerant exit (B), said refrigerant inlet (A) and refrigerant exit (B) are separately positioned on the housing (1) of said motor;
Be provided with refrigerant passage (4) between the winding (2) of the inwall of said housing (1) and said motor;
Has gap (5) between rotor of said motor (3) and the said winding (2);
Said refrigerant inlet (A) is communicated with the inlet of said refrigerant passage (4), and the outlet of said refrigerant passage (4) is communicated with the inlet of said gap (5), and the outlet of said gap (5) is communicated with said refrigerant exit (B).
2. cooling structure according to claim 1 is characterized in that, said refrigerant passage (4) is one or more to be formed on the groove on the inwall of said housing (1).
3. cooling structure according to claim 2 is characterized in that, said refrigerant passage (4) extends to said winding (2) second ends by first end of said winding (2).
4. cooling structure according to claim 2 is characterized in that said groove is a helicla flute.
5. cooling structure according to claim 2 is characterized in that, the circumferentially evenly setting of the inwall of many said groove said housings in edge (1).
6. cooling structure according to claim 2 is characterized in that, the axially evenly setting of the inwall of many said groove said housings in edge (1).
7. according to each described cooling structure among the claim 1-6, it is characterized in that said housing (1) casting forms.
8. according to each described cooling structure among the claim 1-6, it is characterized in that said refrigerant inlet (A) is connected with the refrigerant liquid outlet of said refrigeration machine, said refrigerant exit (B) is connected with the refrigerant inlet of said refrigeration machine.
9. according to each described cooling structure among the claim 1-6, it is characterized in that said refrigerant inlet (A) is provided with the refrigerant feed tube, said refrigerant feed tube is provided with flow regulator.
10. air conditioner, it comprises refrigeration machine and is used to drive the motor of said refrigeration machine, it is characterized in that, said motor has each described cooling structure among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203564544U CN202210737U (en) | 2011-09-21 | 2011-09-21 | Air conditioner and cooling structure of motor of refrigerating machine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203564544U CN202210737U (en) | 2011-09-21 | 2011-09-21 | Air conditioner and cooling structure of motor of refrigerating machine thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202210737U true CN202210737U (en) | 2012-05-02 |
Family
ID=45990280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203564544U Expired - Lifetime CN202210737U (en) | 2011-09-21 | 2011-09-21 | Air conditioner and cooling structure of motor of refrigerating machine thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202210737U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023211A (en) * | 2011-09-21 | 2013-04-03 | 珠海格力电器股份有限公司 | Air conditioner and cooling structure of motor of refrigerating machine thereof |
| CN104896699A (en) * | 2015-06-11 | 2015-09-09 | 广东美的暖通设备有限公司 | Motor radiating structure, air conditioner and motor radiating method |
| CN104896700A (en) * | 2015-06-11 | 2015-09-09 | 广东美的暖通设备有限公司 | Auxiliary radiating structure, air conditioner and auxiliary radiating method |
| CN106664003A (en) * | 2014-08-22 | 2017-05-10 | 安卡有限公司 | Linear motor |
| CN106762634A (en) * | 2017-01-10 | 2017-05-31 | 麦克维尔空调制冷(苏州)有限公司 | The single screw rod type refrigerating compressor that a kind of motor is independently cooled down |
| CN107134878A (en) * | 2016-02-29 | 2017-09-05 | 珠海格力电器股份有限公司 | Permanent magnet synchronous motor assembly, compressor with permanent magnet synchronous motor assembly and air conditioner with permanent magnet synchronous motor assembly |
| CN107134885A (en) * | 2016-02-29 | 2017-09-05 | 珠海格力电器股份有限公司 | Permanent magnet synchronous motor assembly, compressor with permanent magnet synchronous motor assembly and air conditioner with permanent magnet synchronous motor assembly |
| CN107134884A (en) * | 2016-02-29 | 2017-09-05 | 珠海格力电器股份有限公司 | Permanent magnet synchronous motor assembly, compressor with permanent magnet synchronous motor assembly and air conditioner with permanent magnet synchronous motor assembly |
| CN108110928A (en) * | 2018-01-25 | 2018-06-01 | 博远机电（嘉兴）有限公司 | High pressure ultrahigh speed permanent magnet synchronous motor |
| CN108141919A (en) * | 2015-10-08 | 2018-06-08 | 住友电气工业株式会社 | Induction heating apparatus and electricity generation system |
-
2011
- 2011-09-21 CN CN2011203564544U patent/CN202210737U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023211B (en) * | 2011-09-21 | 2015-07-15 | 珠海格力电器股份有限公司 | Air conditioner and cooling structure of motor of refrigerating machine thereof |
| CN103023211A (en) * | 2011-09-21 | 2013-04-03 | 珠海格力电器股份有限公司 | Air conditioner and cooling structure of motor of refrigerating machine thereof |
| CN106664003A (en) * | 2014-08-22 | 2017-05-10 | 安卡有限公司 | Linear motor |
| CN104896699A (en) * | 2015-06-11 | 2015-09-09 | 广东美的暖通设备有限公司 | Motor radiating structure, air conditioner and motor radiating method |
| CN104896700A (en) * | 2015-06-11 | 2015-09-09 | 广东美的暖通设备有限公司 | Auxiliary radiating structure, air conditioner and auxiliary radiating method |
| CN104896699B (en) * | 2015-06-11 | 2019-05-17 | 广东美的暖通设备有限公司 | Motor radiating structure, air conditioner and motor radiating method |
| CN104896700B (en) * | 2015-06-11 | 2018-12-28 | 广东美的暖通设备有限公司 | Auxiliary-radiating structure, air conditioner and auxiliary radiating method |
| CN108141919A (en) * | 2015-10-08 | 2018-06-08 | 住友电气工业株式会社 | Induction heating apparatus and electricity generation system |
| CN108141919B (en) * | 2015-10-08 | 2021-01-05 | 住友电气工业株式会社 | Induction heating device and power generation system |
| CN107134878A (en) * | 2016-02-29 | 2017-09-05 | 珠海格力电器股份有限公司 | Permanent magnet synchronous motor assembly, compressor with permanent magnet synchronous motor assembly and air conditioner with permanent magnet synchronous motor assembly |
| CN107134884A (en) * | 2016-02-29 | 2017-09-05 | 珠海格力电器股份有限公司 | Permanent magnet synchronous motor assembly, compressor with permanent magnet synchronous motor assembly and air conditioner with permanent magnet synchronous motor assembly |
| CN107134885A (en) * | 2016-02-29 | 2017-09-05 | 珠海格力电器股份有限公司 | Permanent magnet synchronous motor assembly, compressor with permanent magnet synchronous motor assembly and air conditioner with permanent magnet synchronous motor assembly |
| CN106762634A (en) * | 2017-01-10 | 2017-05-31 | 麦克维尔空调制冷(苏州)有限公司 | The single screw rod type refrigerating compressor that a kind of motor is independently cooled down |
| CN108110928A (en) * | 2018-01-25 | 2018-06-01 | 博远机电（嘉兴）有限公司 | High pressure ultrahigh speed permanent magnet synchronous motor |
| CN108110928B (en) * | 2018-01-25 | 2024-02-09 | 博远机电（嘉兴）有限公司 | High-voltage ultra-high-speed permanent magnet synchronous motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120502 |
|
| CX01 | Expiry of patent term |