TWI477040B - Dual circuit refrigerant cooled motor - Google Patents
Dual circuit refrigerant cooled motor Download PDFInfo
- Publication number
- TWI477040B TWI477040B TW101147067A TW101147067A TWI477040B TW I477040 B TWI477040 B TW I477040B TW 101147067 A TW101147067 A TW 101147067A TW 101147067 A TW101147067 A TW 101147067A TW I477040 B TWI477040 B TW I477040B
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- cooling
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- refrigerant
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- Motor Or Generator Cooling System (AREA)
Description
本創作係有關於一種馬達結構；特別關於一種雙循環冷媒冷卻馬達結構，該結構使用冷媒冷卻馬達外殼，並使用循環冷卻油冷卻定子、線圈及轉子。The present invention relates to a motor structure; and more particularly to a dual-cycle refrigerant cooling motor structure that uses a refrigerant to cool a motor casing and uses a circulating cooling oil to cool the stator, the coil, and the rotor.
已知技術之油冷馬達結構在前後兩側分別設有一入口端及一出口端，將冷卻油從入口端注入，流經定子、氣隙及轉子，並從出口端流出以冷卻馬達內部。若有外來物隨著冷卻油進入馬達內部，容易造成馬達損壞。The oil-cooled motor structure of the prior art is provided with an inlet end and an outlet end on the front and rear sides respectively, and the cooling oil is injected from the inlet end, flows through the stator, the air gap and the rotor, and flows out from the outlet end to cool the inside of the motor. If foreign objects enter the motor with cooling oil, it is easy to cause motor damage.
本發明之主要目的係在於提供一種應用於工業機械用或電動車輛用的伺服馬達或感應馬達，其不僅克服線圈散熱不均之缺點，運轉時更具有高扭力輸出及不易過熱之優點。本創作同時也提出創新之矽鋼片組合結構，以解決雙循環馬達內部構造複雜，不易製造之問題。The main object of the present invention is to provide a servo motor or an induction motor for industrial machinery or electric vehicles, which not only overcomes the disadvantages of uneven heat dissipation of the coil, but also has the advantages of high torque output and low heat resistance during operation. At the same time, this creation also proposes an innovative steel sheet combination structure to solve the problem that the internal structure of the double-cycle motor is complicated and difficult to manufacture.
請參閱第一至七圖，其為本發明之第一實施例。該雙循環冷媒冷卻馬達的主要結構包括一轉子104、一定子110、一雙循環外殼101、外殼前後端的側蓋102、油泵葉片106、導流蓋108、轉子兩端的軸承105及軸心103；其中，定子之線圈不顯示於圖中以便說明。Please refer to the first to seventh figures, which are the first embodiment of the present invention. The main structure of the dual-cycle refrigerant cooling motor comprises a rotor 104, a stator 110, a double-cycle casing 101, a side cover 102 at the front and rear ends of the casing, an oil pump blade 106, a flow guiding cover 108, a bearing 105 at both ends of the rotor, and a shaft center 103; The coil of the stator is not shown in the figure for explanation.
如第六圖所示，其為第一實施例的雙循環外殼101，該雙循環外殼101的內層包含一個冷媒蒸發器120，該冷媒蒸發器120由一液態冷媒供應源導入冷媒液體，使其自冷媒入口端121導 入後在冷媒蒸發器120內汽化來吸收熱能；其中，該冷媒蒸發器120內流動的冷媒與雙循環外殼101內側流動的冷卻油不接觸，為二個獨立的循環迴路，且該冷卻油的熱能經由冷媒蒸發汽化反應吸收以保持在一預設作業溫度範圍。As shown in the sixth figure, it is the double cycle outer casing 101 of the first embodiment, and the inner layer of the double cycle outer casing 101 includes a refrigerant evaporator 120, and the refrigerant evaporator 120 is introduced into the refrigerant liquid by a liquid refrigerant supply source. It is guided from the inlet end 121 of the refrigerant. After being introduced, it is vaporized in the refrigerant evaporator 120 to absorb thermal energy; wherein the refrigerant flowing in the refrigerant evaporator 120 is not in contact with the cooling oil flowing inside the double-circulation casing 101, and is two independent circulation circuits, and the cooling oil is Thermal energy is absorbed by the vaporization vaporization reaction of the refrigerant to maintain a predetermined operating temperature range.
如第四圖所示，其為第一實施例的定子結構圖，其中，定子110係一種利用三種矽鋼片疊合而成的定子結構，前後之尾端為封閉型矽鋼片111，定子中段為通道型矽鋼片112和穿透型矽鋼片113所組成，如第七圖所示，通道型矽鋼片112之外圍設有定子外油道152，穿透型矽鋼片113利用波浪紋在疊合時形成貫穿定子內外側的定子注油口155。As shown in the fourth figure, it is a stator structure diagram of the first embodiment, wherein the stator 110 is a stator structure which is formed by laminating three kinds of silicon steel sheets, and the front end of the front and rear ends is a closed type silicon steel sheet 111, and the middle part of the stator is The channel type silicon steel sheet 112 and the penetrating type steel sheet 113 are composed. As shown in the seventh figure, the outer side of the channel type silicon steel sheet 112 is provided with a stator outer oil passage 152, and the penetrating type steel sheet 113 is formed by using a wave pattern. A stator oil fill port 155 is formed through the inner and outer sides of the stator.
請同時參閱第一圖及第三圖，轉子104外側與定子110內側之間隙形成一筒狀油道153，轉子104內層設有一轉子內油道156，而側蓋102、導流蓋108形成一側蓋油道154；如第五圖所示，雙循環外殼101之側端設有冷卻油導管150，其中更設有一冷卻油環151以利分配冷卻油之流量。Referring to the first and third figures, a gap between the outer side of the rotor 104 and the inner side of the stator 110 forms a cylindrical oil passage 153. The inner layer of the rotor 104 is provided with a rotor inner oil passage 156, and the side cover 102 and the flow guide cover 108 are formed. The oil passage 154 is covered on one side; as shown in the fifth figure, the side end of the double-circulation outer casing 101 is provided with a cooling oil conduit 150, and further a cooling oil ring 151 is provided to distribute the flow rate of the cooling oil.
請同時參閱第一圖及第二圖，其說明該雙循環冷媒冷卻馬達在運轉時冷卻油內循環迴路的流動方式，其中，於轉子104旋轉之時，油泵葉片106被軸心103所驅動，將冷卻油自轉子內油道156由轉子外端向轉子中央推動到筒狀油道153，而該筒狀油道153內的冷卻油經由定子注油口155導入定子外油道152，之後冷卻油經由雙循環外殼101的冷卻油導管150導入側蓋油道154，最後該側蓋油道154將冷卻油收集並供應至筒狀油道153，以完成一冷卻油內循環迴路；於雙循環冷媒冷卻馬達運轉時，該冷卻油內循環迴路利用高速循環的冷卻油降低轉子104及定子110的整體溫度，並讓冷卻油所吸收的熱能經由定子外油道152傳導至雙循環外殼101。Please also refer to the first figure and the second figure, which illustrate the flow mode of the circulating circuit in the cooling oil of the dual-cycle refrigerant cooling motor during operation, wherein the oil pump blade 106 is driven by the shaft 103 when the rotor 104 rotates. The cooling oil is pushed from the outer end of the rotor to the center of the rotor to the cylindrical oil passage 153 from the inner oil passage 156 of the rotor, and the cooling oil in the cylindrical oil passage 153 is introduced into the outer oil passage 152 of the stator via the stator oil filling port 155, and then the oil is cooled. The side cover oil passage 154 is introduced through the cooling oil conduit 150 of the double circulation outer casing 101, and finally the side cover oil passage 154 collects and supplies the cooling oil to the cylindrical oil passage 153 to complete a cooling oil inner circulation loop; When the cooling motor is operated, the cooling oil inner circulation circuit reduces the overall temperature of the rotor 104 and the stator 110 by the high-speed circulating cooling oil, and allows the heat energy absorbed by the cooling oil to be conducted to the double-cycle casing 101 via the stator outer oil passage 152.
前述雙循環冷媒冷卻馬達，其中，該冷媒蒸發器120連接至一液態冷媒供應源，該冷媒蒸發器120利用冷媒蒸發吸熱之效應吸收該雙循環外殼之熱能，以限制該冷卻油內循環迴路的冷卻油溫度於一個預設溫度範圍；其中，該預設溫度範圍係由一組馬達控制系統控管，該馬達控制系統能直接或間接調整該冷媒蒸發器內的冷媒流量及蒸發壓力來控制冷卻油溫度。The dual-cycle refrigerant cooling motor, wherein the refrigerant evaporator 120 is connected to a liquid refrigerant supply source, and the refrigerant evaporator 120 absorbs the heat energy of the double-cycle casing by the effect of the refrigerant evaporation endotherm to limit the circulation circuit of the cooling oil. The cooling oil temperature is in a preset temperature range; wherein the preset temperature range is controlled by a set of motor control systems, and the motor control system can directly or indirectly adjust the refrigerant flow and the evaporation pressure in the refrigerant evaporator to control cooling Oil temperature.
為求提升馬達之運轉能力和效果，該馬達控制系統於雙循環冷媒冷卻馬達在高負荷運轉之前進行一馬達預冷作業，利用該冷媒蒸發器來預先降低冷卻油溫度，使得該轉子及該定子在高負荷運轉之前保持低溫；較佳的，馬達預冷作業的冷卻油溫度範圍在攝氏10度至零下20度之間，而該冷卻油之中含有防凍添加劑。In order to improve the running capacity and effect of the motor, the motor control system performs a motor pre-cooling operation before the high-load operation of the dual-cycle refrigerant cooling motor, and the refrigerant evaporator is used to pre-reduced the temperature of the cooling oil so that the rotor and the stator The low temperature is maintained before the high load operation; preferably, the cooling oil temperature of the motor pre-cooling operation ranges from 10 degrees Celsius to minus 20 degrees Celsius, and the cooling oil contains antifreeze additive.
在特定用途上，如製造能力許可，雙循環冷媒冷卻馬達的雙循環外殼與一端的側蓋可利用鑄造一次成形完成。For a specific application, such as manufacturing capability approval, the dual-cycle housing of the dual-cycle refrigerant cooling motor and the side cover at one end can be completed by one-shot casting.
101‧‧‧雙循環外殼101‧‧‧Double cycle enclosure
102‧‧‧側蓋102‧‧‧ side cover
103‧‧‧軸心103‧‧‧Axis
104‧‧‧轉子104‧‧‧Rotor
105‧‧‧軸承105‧‧‧ bearing
106‧‧‧油泵葉片106‧‧‧oil pump blades
108‧‧‧導流蓋108‧‧‧drain cover
110‧‧‧定子110‧‧‧stator
111‧‧‧封閉型矽鋼片111‧‧‧Closed steel sheet
112‧‧‧通道型矽鋼片112‧‧‧Channel type silicon steel sheet
113‧‧‧穿透型矽鋼片113‧‧‧ penetrating steel sheet
120‧‧‧冷媒蒸發器120‧‧‧Refrigerant evaporator
121‧‧‧冷媒入口121‧‧‧Refrigerant entrance
122‧‧‧冷媒出口122‧‧‧Refrigerant exports
150‧‧‧冷卻油導管150‧‧‧Cooling oil conduit
151‧‧‧冷卻油環151‧‧‧Cooling oil ring
152‧‧‧定子外油道152‧‧‧ stator outer oil passage
153‧‧‧筒狀油道153‧‧‧ tubular oil passage
154‧‧‧側蓋油道154‧‧‧ side cover oil passage
155‧‧‧定子注油口155‧‧‧Static port
156‧‧‧轉子內油道156‧‧‧Rotor inner oil passage
圖一係本發明第一實施例之剖視圖Figure 1 is a cross-sectional view of a first embodiment of the present invention
圖二係本發明第一實施例之局部放大冷卻油流動示意圖Figure 2 is a schematic view showing the flow of partially enlarged cooling oil according to the first embodiment of the present invention.
圖三係本發明第一實施例之立體分解圖Figure 3 is an exploded perspective view of the first embodiment of the present invention
圖四係本發明第一實施例之定子結構立體圖Figure 4 is a perspective view of the stator structure of the first embodiment of the present invention
圖五係本發明第一實施例之外殼結構立體圖Figure 5 is a perspective view of the outer casing structure of the first embodiment of the present invention
圖六係本發明第一實施例之外殼結構透視圖Figure 6 is a perspective view of the outer casing structure of the first embodiment of the present invention
圖七係本發明第一實施例之矽鋼片立體圖Figure 7 is a perspective view of a silicon steel sheet according to a first embodiment of the present invention.
101‧‧‧雙循環外殼101‧‧‧Double cycle enclosure
102‧‧‧側蓋102‧‧‧ side cover
103‧‧‧軸心103‧‧‧Axis
104‧‧‧轉子104‧‧‧Rotor
105‧‧‧軸承105‧‧‧ bearing
106‧‧‧油泵葉片106‧‧‧oil pump blades
108‧‧‧導流蓋108‧‧‧drain cover
110‧‧‧定子110‧‧‧stator
120‧‧‧冷媒蒸發器120‧‧‧Refrigerant evaporator
150‧‧‧冷卻油導管150‧‧‧Cooling oil conduit
151‧‧‧冷卻油環151‧‧‧Cooling oil ring
152‧‧‧定子外油道152‧‧‧ stator outer oil passage
153‧‧‧筒狀油道153‧‧‧ tubular oil passage
154‧‧‧側蓋油道154‧‧‧ side cover oil passage
155‧‧‧定子注油口155‧‧‧Static port
156‧‧‧轉子內油道156‧‧‧Rotor inner oil passage
Claims (14)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101147067A TWI477040B (en) | 2012-12-13 | 2012-12-13 | Dual circuit refrigerant cooled motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101147067A TWI477040B (en) | 2012-12-13 | 2012-12-13 | Dual circuit refrigerant cooled motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201424213A TW201424213A (en) | 2014-06-16 |
| TWI477040B true TWI477040B (en) | 2015-03-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW101147067A TWI477040B (en) | 2012-12-13 | 2012-12-13 | Dual circuit refrigerant cooled motor |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI477040B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI692177B (en) * | 2019-07-31 | 2020-04-21 | 華擎機械工業股份有限公司 | Electric machine apparatus with internal cooling mechanism |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM414761U (en) * | 2011-03-29 | 2011-10-21 | Asia Vital Components Co Ltd | Centrifugal heat dissipation structure and motor having centrifugal heat dissipation structure |
| TWM435779U (en) * | 2008-06-20 | 2012-08-11 | chun-ling Yang | Cooling system of rotational machine |
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2012
- 2012-12-13 TW TW101147067A patent/TWI477040B/en not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM435779U (en) * | 2008-06-20 | 2012-08-11 | chun-ling Yang | Cooling system of rotational machine |
| TWM414761U (en) * | 2011-03-29 | 2011-10-21 | Asia Vital Components Co Ltd | Centrifugal heat dissipation structure and motor having centrifugal heat dissipation structure |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201424213A (en) | 2014-06-16 |
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