CN205081632U - Motor cooling system - Google Patents
Motor cooling system Download PDFInfo
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- CN205081632U CN205081632U CN201520875296.1U CN201520875296U CN205081632U CN 205081632 U CN205081632 U CN 205081632U CN 201520875296 U CN201520875296 U CN 201520875296U CN 205081632 U CN205081632 U CN 205081632U
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- motor
- cooling
- freon
- coolant liquid
- cooling system
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Abstract
The utility model relates to a motor cooling system, the outer cooling system of motor stator core is entered the mouth by the freon coolant liquid, the outside freon coolant liquid runner of motor is constituteed, freon coolant liquid entry is through the outside freon coolant liquid runner intercommunication stator winding end portion - bearing cooling system of motor, it cools off rotor surfaces to make the freon coolant liquid pass the motor air gap, realize motor stator core, the winding, winding overhang, comprehensive cooling of rotor, stator winding end portion - bearing cooling system intercommunication is located the chassis bottom's of motor freon coolant liquid water conservancy diversion and recovery system, freon coolant liquid water conservancy diversion and recovery system. Freon coolant liquid in commercial air conditioner of this system utilization or the cooling water set system is cooled off stator core, stator winding end portion, rotor and the bearing of motor, but the effectual cooling motor of phase transition of freon coolant liquid is used to unnecessary freon coolant liquid in the make full use of system of this system, dwindles the size of the electric machine, reduction system energy consumption.
Description
Technical field
The utility model relates to a kind of electromotor cooling system, and especially a kind of cooling fluid (being particularly useful for freon) that uses carries out the electromotor cooling system of overall cooling to motor, is applicable to large commercial air-conditioning, the cooling that mair motor in cooling system concentrated by boats and ships.
Background technology
The cooling means of motor is mainly divided into direct cooling (internal cooling) and cooling (external refrigeration) indirectly, and its conventional type of cooling mainly comprises:
1, surface cool.The area of dissipation of this type of cooling is the surface of motor case, for increasing area of dissipation, and the conventional cooling in casing surface muscle.Which structure is simple, and be applicable to enclosed micro-machine, its cooling effect is limited;
2, open type ventilating and cooling.Coolant (being generally air) is directly sent into motor internal by this type of cooling, discharges after absorbing energy to surrounding environment.This type of cooling be applicable to general clean, corrosion-free, without the open type under explosion environment and drip-proof machine, to motor application occasion and environmental requirement higher;
3, airtight circulation cooling.This type of cooling coolant and surrounding environment are isolated and are had closed loop of one's own.Transfer heat to cooling twice medium by the cooler in loop after a coolant heat absorption to take out of outside machine.Cooling twice medium is air or water normally.Though this cooling structure can effective cooling motor, cooler volume is comparatively large, need take a large amount of spaces;
4, direct water-cooling.This type of cooling use water as be coolant directly introduce the stator of motor or rotor hollow conductor inner, the cooling effect of motor can be significantly improved, but cooling structure is complicated, only applies to some extent in large turbo-type generator and hydraulic generator at present.
Summary of the invention
The purpose of this utility model is to provide a kind of electromotor cooling system, this system utilizes the freon cooling fluid in business air conditioner or water chilling unit system to cool the stator core of motor, stator winding end, rotor and bearing, this system can make full use of freon cooling fluid unnecessary in system, use the effective cooling motor of phase transformation of freon cooling fluid, reduce motor volume, reduce system energy consumption.
For achieving the above object, the technical solution of the utility model is: a kind of electromotor cooling system, comprise: the outer cooling system of motor stator core, stator winding end-bearing cooling system, freon cooling fluid water conservancy diversion and recovery system, the outer cooling system of motor stator core is by freon cooling fluid entrance, outside motor freon cooling liquid flowing channel forms, freon cooling fluid entrance is communicated with stator winding end-bearing cooling system by outside motor freon cooling liquid flowing channel, freon cooling fluid is cooled rotor surface through motor gas-gap, realize motor stator core, winding, winding overhang, comprehensive cooling of rotor, described stator winding end-bearing cooling system is communicated with the freon cooling fluid water conservancy diversion and the recovery system that are positioned at the bottom of shell of motor, freon cooling fluid water conservancy diversion and recovery system provide negative pressure, gaseous fluorine Leon cooling fluid after heat absorption is reclaimed.
Outside motor freon cooling liquid flowing channel is made up of anticorrosive material, and outside motor freon cooling liquid flowing channel is spiral flow channel or " S " row runner, and outside motor freon cooling liquid flowing channel is close to the stator core of motor, to strengthen the cooling effect of motor.
Freon cooling fluid porch is provided with supervising device and the diversion component of coolant rate and temperature, for controlling the flow of the cooling fluid flowing into motor.
Single described freon cooling fluid entrance is arranged on the middle part of electric machine iron core.The runner exit of outside motor freon cooling liquid flowing channel arranges nozzle and baffler, for the freon cooling fluid of gas-liquid mixture phase being sprayed onto electric motor winding end, cooling motor bearing and winding.
The beneficial effects of the utility model are:
Electromotor cooling system of the present utility model, the motor for fields such as boats and ships handpiece Water Chilling Units, business air conditioners cools.This cooling system, by the new design of electric machine structure, only needs the monitoring increasing freon cooling fluid can realize comprehensive cooling of motor stator, rotor, bearing and winding.By the cooling effectiveness of lifting motor, can assist the optimal design realizing motor, lifting motor heat absorption ability, reduces motor volume, and then can realize the high speed design of motor, effectively reduces the cost of motor and cooling system thereof and takes up room.
The utility model specifically has following advantage:
1) this structure compares traditional cooling means of motor, and structure is simple, compact, with low cost, effectively can realize the cooling of motor;
2) this structure utilizes the freon cooling fluid in business air conditioner or water chilling unit system to cool motor, and can realize the compactedness design of entire system, the operational reliability of motor and corollary system thereof is high, good cooling results.
Accompanying drawing explanation
Fig. 1 is electromotor cooling system structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As shown in Figure 1, a kind of electromotor cooling system, mainly comprises outer cooling system 1, stator winding end-bearing cooling system 2, freon cooling fluid water conservancy diversion and recovery system 3 three subsystems of motor stator core.
The outer cooling system 1 of motor stator core is by freon cooling fluid entrance, outside motor freon cooling liquid flowing channel forms, freon cooling fluid entrance is communicated with stator winding end-bearing cooling system 2 by outside motor freon cooling liquid flowing channel, freon cooling fluid is cooled rotor surface through motor gas-gap, realize motor stator core, winding, winding overhang, comprehensive cooling of rotor, described stator winding end-bearing cooling system 2 is communicated with the freon cooling fluid water conservancy diversion and the recovery system 3 that are positioned at the bottom of shell of motor, freon cooling fluid water conservancy diversion and recovery system 3 provide negative pressure, gaseous fluorine Leon cooling fluid after heat absorption is reclaimed.
Freon cooling fluid porch should arrange supervising device and the diversion component of coolant rate and temperature, for controlling the flow of the cooling fluid flowing into motor, guarantees to be unlikely to enter a large amount of liquid coolant of motor.If arrange single cooling fluid entrance, the middle part of electric machine iron core should be arranged on as far as possible.The outer cooling system cooling liquid flowing channel of motor stator core should use anticorrosive material, and runner can be designed to spiral flow channel or " S " row runner.Runner should be close to the stator core of motor to strengthen the cooling effect of motor as far as possible.
In motor operation course, stator-rotor iron core, winding will produce heat, and after cooling fluid flows through the outside runner of stator core, heat absorption will undergo phase transition.The freon of gas-liquid mixture phase will flow into stator winding end-bearing cooling system.This part-structure is made up of freon coolant nozzle and baffler, the freon cooling fluid of gas-liquid mixture phase sprays through nozzle, enter motor internal, under the guide functions of baffler, flow mostly to bearing and the winding overhang of motor, wherein liquid freon heat will gasify, with cooling motor bearing and end.Cooling fluid enter motor number, will be controlled by cooling fluid supervisory control system, by the pressure versus flow of controlled cooling model liquid, determine the temperature rise of motor to meet requirement of system design.
Enter the cooling fluid of motor internal, after having cooled motor bearings and winding, major part will be gasificated into gaseous state, in the bottom of the side of motor, arrange the recovery system of freon cooling fluid.In the system of Whole Equipment, for motor provides negative pressure, for reclaiming the freon of motor internal.Wherein, motor will flow through the air gap of motor away from the freon cooling fluid of going back to fluorine mouth side, by the process of motor gas-gap, also will realize the cooling to rotor surface.
Claims (5)
1. an electromotor cooling system, comprise: the outer cooling system (1) of motor stator core, stator winding end-bearing cooling system (2), freon cooling fluid water conservancy diversion and recovery system (3), it is characterized in that: the outer cooling system (1) of described motor stator core is by freon cooling fluid entrance, outside motor freon cooling liquid flowing channel forms, freon cooling fluid entrance is communicated with stator winding end-bearing cooling system (2) by outside motor freon cooling liquid flowing channel, be positioned at freon cooling fluid water conservancy diversion and the recovery system (3) of the bottom of shell of motor the connection of described stator winding end-bearing cooling system (2).
2. electromotor cooling system according to claim 1, it is characterized in that: described outside motor freon cooling liquid flowing channel is made up of anticorrosive material, outside motor freon cooling liquid flowing channel is spiral flow channel or " S " row runner, and outside motor freon cooling liquid flowing channel is close to the stator core of motor.
3. electromotor cooling system according to claim 1, is characterized in that: described freon cooling fluid porch is provided with supervising device and the diversion component of coolant rate and temperature.
4. electromotor cooling system according to claim 1, is characterized in that: single described freon cooling fluid entrance is arranged on the middle part of electric machine iron core.
5. electromotor cooling system according to claim 1, is characterized in that: the outlet of described outside motor freon cooling liquid flowing channel arranges nozzle and baffler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875296.1U CN205081632U (en) | 2015-11-05 | 2015-11-05 | Motor cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875296.1U CN205081632U (en) | 2015-11-05 | 2015-11-05 | Motor cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205081632U true CN205081632U (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520875296.1U Active CN205081632U (en) | 2015-11-05 | 2015-11-05 | Motor cooling system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205081632U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108718135A (en) * | 2018-07-02 | 2018-10-30 | 哈尔滨理工大学 | The large-scale phase modifier stator end integration series connection internal water cooling circulatory system and aeration structure |
| CN112901533A (en) * | 2021-02-02 | 2021-06-04 | 山东省章丘鼓风机股份有限公司 | Phase-change cooling type permanent magnet direct-drive air blower |
-
2015
- 2015-11-05 CN CN201520875296.1U patent/CN205081632U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108718135A (en) * | 2018-07-02 | 2018-10-30 | 哈尔滨理工大学 | The large-scale phase modifier stator end integration series connection internal water cooling circulatory system and aeration structure |
| CN108718135B (en) * | 2018-07-02 | 2019-04-30 | 哈尔滨理工大学 | The large-scale phase modifier stator end integration series connection internal water cooling circulatory system and aeration structure |
| CN112901533A (en) * | 2021-02-02 | 2021-06-04 | 山东省章丘鼓风机股份有限公司 | Phase-change cooling type permanent magnet direct-drive air blower |
| CN112901533B (en) * | 2021-02-02 | 2022-11-22 | 山东省章丘鼓风机股份有限公司 | Phase-change cooling type permanent magnet direct-drive air blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190814 Address after: 200031 Xuhui District, Hengshan Road, No. 10, Co-patentee after: SHANGHAI CSIC SHIP PROPULSION EQUIPMENT CO., LTD. Patentee after: China Shipbuilding Industry Corp seventh 0 four Institute Address before: 200031 Xuhui District, Hengshan Road, No. 10, Patentee before: China Shipbuilding Industry Corp seventh 0 four Institute |
|
| TR01 | Transfer of patent right |