WO2018131408A1 - Stator pour machine électrique tournante, et machine électrique tournante - Google Patents

Stator pour machine électrique tournante, et machine électrique tournante Download PDF

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Publication number
WO2018131408A1
WO2018131408A1 PCT/JP2017/045674 JP2017045674W WO2018131408A1 WO 2018131408 A1 WO2018131408 A1 WO 2018131408A1 JP 2017045674 W JP2017045674 W JP 2017045674W WO 2018131408 A1 WO2018131408 A1 WO 2018131408A1
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WO
WIPO (PCT)
Prior art keywords
phase
output line
stator
temperature
stator winding
Prior art date
Application number
PCT/JP2017/045674
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English (en)
Japanese (ja)
Inventor
馬場　雄一郎
良司 小林
伊藤　琢
Original Assignee
日立オートモティブシステムズ株式会社
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Publication date
Application filed by 日立オートモティブシステムズ株式会社 filed Critical 日立オートモティブシステムズ株式会社
Priority to JP2018561889A priority Critical patent/JPWO2018131408A1/ja
Publication of WO2018131408A1 publication Critical patent/WO2018131408A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/25—Devices for sensing temperature, or actuated thereby

Definitions

  • the present invention relates to a rotating electrical machine stator and a rotating electrical machine.
  • the rotating electrical machine includes a stator and a rotor, and the stator includes a stator core and a stator winding.
  • the stator includes a stator core and a stator winding.
  • the temperature at the high temperature portion including the portion with the highest temperature of the stator winding is measured by the stator. It is preferably measured as the temperature of the winding.
  • a rotating electrical machine described in Patent Document 1 As a technique for measuring the temperature of the stator winding with high accuracy, for example, a rotating electrical machine described in Patent Document 1 is known.
  • the rotating electrical machine described in Patent Literature 1 includes a coil conductor that forms a coil (stator winding), a neutral wire that connects the coil to a neutral point, and a temperature sensor that detects the temperature of the neutral wire. .
  • the portion of the neutral wire that is wound around the temperature sensor and the portion of the temperature sensor that is wound around the neutral wire are embedded in the mold material, and an embedded temperature detecting portion is formed.
  • the temperature of the stator winding is measured with high accuracy to protect the stator winding from the high temperature and the stator winding. It is important to prevent the influence of the temperature rise on the rotating electrical machine.
  • An object of the present invention is to provide a stator for a rotating electrical machine and a rotating electrical machine that can measure the temperature of the stator winding with high accuracy and that are excellent in workability in attaching a temperature detection unit.
  • a stator of a rotating electrical machine includes an annular stator core, a portion that is disposed on the stator core, and that forms a coil end protruding from the stator core, and a portion that extends away from the coil end
  • a stator winding having the output of the stator winding extending away from the coil end of the stator winding, an output line having an output terminal at the end, and a temperature detection unit installed in the output line, Is provided.
  • a stator and a rotating electrical machine for a rotating electrical machine that can measure the temperature of the stator winding with high accuracy and that are excellent in workability in attaching the temperature detection unit.
  • the schematic diagram which shows the whole structure of the rotary electric machine by Example 1 of this invention The perspective view which shows the structure of the stator of the rotary electric machine by Example 1 of this invention.
  • the rotating electrical machine due to the temperature rise of the stator winding It is possible to measure the temperature of the stator winding, which is effective in preventing the influence on the coil, with high accuracy.
  • the stator of the rotating electrical machine and the rotating electrical machine according to the present invention are provided with a temperature detection unit for measuring the temperature of the stator winding in an output line extending away from the coil end.
  • the coil end is cooled by the cooling source, but the temperature detector measures the temperature of the stator winding at the part away from the coil end, so it is fixed at the high temperature part without being affected by the cooled part.
  • the temperature of the child winding can be measured.
  • the temperature detection unit is installed at a location away from the coil end, it is easy to perform the mounting operation.
  • the stator and the rotating electrical machine of the rotating electrical machine according to the present invention can measure the temperature of the stator winding with high accuracy, and have an effect of being excellent in workability in attaching the temperature detecting unit.
  • FIG. 1 is a schematic diagram showing an overall configuration of a rotating electrical machine according to Embodiment 1 of the present invention.
  • a part is a cross-sectional view showing the inside of the rotating electrical machine 1.
  • the rotating electrical machine 1 includes a housing 10, a stator 2 having a stator core 20 fixed to the housing 10, and a rotor 3 provided rotatably on the inner peripheral side of the stator 2.
  • the casing of the rotating electrical machine 1 includes a front bracket 11, a housing 10, a rear bracket 12, and a terminal box 13.
  • the housing 10 and the water jacket 14 constitute a coolant flow path 15 of the rotating electrical machine.
  • the rotor 3 is fixed to a shaft 31 supported by a bearing 30A of the front bracket 11 and a bearing 30B of the rear bracket 12, and is arranged rotatably on the inner peripheral side of the stator core 20.
  • the stator 2 is indirectly cooled through the housing 10 by the coolant flowing through the flow path 15.
  • the stator core 20 is an annular member, and is fixed to the housing 10 by shrink fitting or the like, and has a slot.
  • An insulator formed in a sheet shape with an insulating resin material is disposed in a slot of the stator core 20, and the stator winding 4 is disposed through the insulator.
  • the extending direction (length direction) of the stator core 20 is referred to as “axial direction”. This axial direction is the same as the extending direction of the shaft 31.
  • the stator winding 4 is configured by arranging a substantially U-shaped copper rectangular conductor in the slot of the stator core 20 along the axial direction.
  • the substantially U-shaped flat conductor has a bent portion whose end on the opening side is bent, and the bent portions of the flat conductors are electrically connected to each other by welding or the like.
  • the stator winding 4 has a portion constituting a coil end 42 protruding from the stator core 20 and a portion extending away from the coil end 42.
  • the coil end 42 is composed of the stator windings 4 protruding from both axial ends of the stator core 20, and is a portion where the stator windings 4 straddling between the slots are densely packed.
  • a portion extending away from the coil end 42 of the stator winding 4 is referred to as an output line 43.
  • the length of the stator winding 4 constituting the coil end 42 and the length of the output line 43 may differ depending on the phase of the stator winding 4.
  • the stator winding 4 is a three-phase Y-connection winding, and the U-phase, V-phase, and W-phase stator windings are constituted by rectangular conductors.
  • One end of each phase of the stator winding is connected to each other at a neutral point and arranged at the coil end 42, and a part including the other end forms an output line 43.
  • a part of the stator winding of each phase connected to the neutral point is called a neutral wire.
  • the output line 43 is a line that is connected to the outside of the rotating electrical machine 1 to transmit and receive electrical energy, and includes an output terminal 45 at the end.
  • the output line 43 is drawn from the coil end 42 and extended, and the output terminal 45 is connected to the terminal block 21 in the terminal box 13.
  • the output line 43 is connected to an external wiring inserted in the terminal box 13, for example, a power cable connected to the inverter, via the output terminal 45 on the terminal block 21.
  • the output line 43 is a portion of the stator winding 4 extending from the coil end 42, but a part thereof is also located at the coil end 42.
  • the output line 43 is provided with a temperature detector 5 for measuring the temperature of the stator winding 4.
  • a temperature detector 5 for example, a thermistor or a thermocouple can be used.
  • the thermistor is a temperature sensor and has a temperature detection element made of a semiconductor whose electric resistance value changes greatly with respect to a change in temperature.
  • a control unit for example, an inverter
  • the rotating electrical machine 1 monitors a signal (for example, an electric resistance value of a thermistor or a thermoelectromotive force generated in a thermocouple) from the temperature detection unit 5, thereby The temperature can be detected.
  • the control unit restricts or stops the operation of the rotating electrical machine 1 to prevent the stator winding 4 from overheating. Therefore, it is desired that the temperature detection unit 5 is not easily influenced by cooling with the coolant and is installed in a portion of the stator winding 4 where the temperature is highest. Actually, since it is often difficult to specify the part with the highest temperature, the temperature detection part is included in the high-temperature part that contains the part with the highest temperature (or the part that is estimated to have the highest temperature). 5 is preferably installed.
  • stator winding 4 When the rotating electrical machine 1 operates and current flows through the stator winding 4, copper loss occurs in the stator winding 4 and heat is generated. Since the stator windings 4 are densely packed in the coil end 42, the heat generated by the copper loss is accumulated and the temperature becomes high.
  • the coil end 42 is indirectly cooled by the coolant flowing through the flow path 15 formed in the housing 10. That is, the coil end 42 is a heat which uses the housing 10, the stator core 20, the insulator disposed in the slot of the stator core 20, and the stator winding 4 disposed in the slot of the stator core 20 as a heat transfer path.
  • the liquid is cooled by the coolant flowing through the flow path 15. The longer the distance of the heat transfer path from the cooling source, the higher the temperature.
  • the distance of the heat transfer path from the coolant flow path 15 increases, that is, the housing 10, the stator core 20, the stator 2 ( The temperature increases in the order of the stator winding 4 in the slot of the stator core 20, the stator winding 4 of the coil end 42, and the stator winding 4 (output line 43) extending from the coil end 42.
  • the temperature detector 5 is installed on the output wire 43, that is, the stator winding 4 extending from the coil end 42.
  • the output line 43 is a high-temperature part that is hard to be affected by the temperature of the coil end 42 and includes a portion having the highest temperature (or a portion estimated to have the highest temperature) in the stator winding 4. Therefore, the temperature detection unit 5 installed on the output line 43 is not easily affected by the temperature of the coil end 42 and can measure the temperature of the high temperature part, so that the temperature of the stator winding 4 can be measured with high accuracy. is there.
  • FIG. 2 is a perspective view showing the configuration of the stator 2 of the rotating electrical machine 1 according to the first embodiment of the present invention. Details of the installation positions of the stator 2 and the temperature detector 5 will be described with reference to FIG.
  • the stator 2 includes a stator core 20 having a plurality of slots, a stator winding 4, and a temperature detection unit 5 that measures the temperature of the stator winding 4.
  • the stator core 20 is an annular member in which magnetic steel plates having a predetermined thickness are laminated in the axial direction, and a plurality of slots extending in the axial direction are provided on the inner peripheral side.
  • the plurality of slots are arranged side by side in the circumferential direction of the stator core 20.
  • the stator winding 4 is composed of a conductive core wire portion mainly made of copper and an insulating film covering the core wire portion.
  • the stator winding 4 is disposed in a slot of the stator core 20 via an insulator 41 formed in a sheet shape with an insulating resin material.
  • the coil end 42 is formed by the stator winding 4 that protrudes from both axial ends of the stator core 20, and the portion where the stator winding 4 is closely packed.
  • the stator winding 4 is a three-phase Y-connection winding as described above, and includes U-phase, V-phase, and W-phase stator windings.
  • One end of each phase stator winding is disposed at the coil end 42 as a neutral point 44 where the neutral wires of each phase are connected to each other.
  • a part including the other end of the U-phase stator winding constitutes a U-phase output line 43U.
  • a part including the other end of the V-phase stator winding constitutes a V-phase output line 43V.
  • a part including the other end of the W-phase stator winding constitutes a W-phase output line 43W.
  • the output wires 43U, 43V, 43W extend away from the coil end 42 so that the rotating electrical machine 1 can exchange electric energy with the outside.
  • U-phase, V-phase, and W-phase output terminals 45U, 45V, and 45W are provided, respectively.
  • a temperature detector 5 is installed on the output line 43U.
  • an output terminal 45 (45U, 45V, 45W) separate from the output line 43 is provided at the end of the output line 43 (43U, 43V, 43W).
  • the output line 43 may be part of the output terminal 45 instead of being separated from the output line 43.
  • the stator 2 is cooled from the outer peripheral surface of the stator core 20 that is in contact with the housing 10. Is done.
  • the stator 2 includes the stator core 20, the stator winding 4 in the stator 2 (the slot of the stator core 20), the stator winding 4 of the coil end 42, and the coil end 42.
  • the temperature increases in the order of the stator windings 4 (output lines 43U, 43V, and 43W) extended from.
  • the output lines 43U, 43V, and 43W are not affected by the temperature of the coil end 42, and are high-temperature portions including a portion having the highest temperature (or a portion estimated to have the highest temperature) in the stator winding 4. is there.
  • the temperature detector 5 Since the temperature detector 5 is installed on the output line 43U extended from the coil end 42, it is difficult to be affected by the temperature of the coil end 42 (the influence of cooling by the coolant), and the temperature of the high temperature part can be measured. The temperature of the stator winding 4 can be measured with high accuracy. Therefore, by installing the temperature detection unit 5 on the output line 43U, the stator winding 4 can be protected from high temperature, and the influence on the rotating electrical machine 1 due to the temperature rise of the stator winding 4 can be prevented.
  • the temperature detector 5 may be installed not on the output line 43U but on the output line 43V or the output line 43W.
  • a portion of the output line 43 (43U, 43V, 43W) connected to the stator winding 4 of the coil end 42 is referred to as a connecting portion 431, and a portion including the output terminal 45 (45U, 45V, 45W) is referred to as a terminal portion 432.
  • the temperature detection unit 5 is preferably installed at a position closer to the terminal unit 432 than the connection unit 431 in the output line 43. Furthermore, it is preferable to install the temperature detection unit 5 near the terminal part 432 of the output line 43, and it is more preferable to install the temperature detection part 5 at a position as close as possible to the tip part of the output line 43 (position of the output terminal 45). If the temperature detector 5 is installed at such a position, the temperature detector 5 can measure the temperature of the part where the heat transfer path from the cooling source is longer, that is, the part where the temperature of the stator winding 4 is higher. is there.
  • the temperature detection unit 5 outputs the phase of the stator winding 4 having the longest sum of the length of the portion constituting the coil end 42 and the length of the output wire 43 (43U, 43V, 43W). When installed on the line 43, the temperature at the highest temperature in the output line 43 of each phase can be measured.
  • FIG. 3A is a schematic diagram showing the temperature detection unit 5 in which the varnish 7 is adhered to the stator winding 4.
  • a signal line 51 for transmitting a measured temperature signal to the control unit of the rotating electrical machine 1 is connected to the temperature detector 5.
  • the stator winding 4 includes a conductive core part 61 at the center, an insulating coating 62 covering the core part 61 on the surface, and is installed on the stator core 20.
  • the stator winding 4 at the coil end 42 is coated with varnish 7 for the purpose of fixing and insulating the stator winding 4.
  • the temperature detection unit 5 measures the temperature of the stator winding 4 in direct contact with the surface of the stator winding 4. .
  • FIG. 3B is a schematic diagram showing the temperature detection unit 5 in which the varnish 7 is prevented from adhering to the stator winding 4 and the signal line 51 is masked.
  • the temperature detection unit 5 In order to prevent the varnish 7 from adhering between the stator winding 4 and the temperature detection unit 5, the temperature detection unit 5 is installed on the surface of the stator winding 4 and then the stator winding 4. Varnish 7 is applied to the surface. In this case, before applying the varnish 7, it is necessary to perform ancillary work such as masking work for attaching the masking tape 52 to the signal line 51 of the temperature detection unit 5. There are challenges.
  • FIG. 3C is a schematic diagram showing the temperature detection unit 5 installed on the output line 43 in the stator 2 of the rotating electrical machine 1 according to the present embodiment.
  • the temperature detection unit 5 is attached to the output line 43 which is the stator winding 4 extending from the coil end 42 so as to be in direct contact with the surface of the output line 43. . That is, the temperature detector 5 is installed on the insulating film 62 that covers the surface of the output line 43.
  • the temperature detector 5 can be installed on the insulating coating 62 of the output line 43 using a sealing material such as resin or a heat shrinkable tube.
  • the stator 2 of the rotating electrical machine 1 is excellent in workability in attaching the temperature detection unit 5.
  • the stator 2 of the rotating electrical machine 1 is excellent in workability in attaching the temperature detection unit 5, and the temperature detection unit 5 is connected to the surface of the output line 43 (stator winding 4). Therefore, the temperature of the stator winding 4 can be measured with high accuracy.
  • the temperature detection unit 5 can include not only one but also a plurality. Below, the stator 2 of the structure provided with the several temperature detection part 5 is demonstrated. In the indirect cooling method, one of the plurality of temperature detection units 5 is connected to the output line 43 of the phase of the stator winding 4 having the longest sum of the length of the portion constituting the coil end 42 and the length of the output line 43. When installed at, the temperature at the highest temperature in the output line 43 of each phase can be measured.
  • FIG. 4 is a perspective view showing another configuration of the stator 2 of the rotating electrical machine 1 according to the first embodiment of the present invention.
  • the stator 2 shown in FIG. 4 includes two temperature detection units 5, one temperature detection unit 5 is installed on the U-phase output line 43 ⁇ / b> U, and the other temperature detection unit 5 is installed on the V-phase output line 43 ⁇ / b> V. ing.
  • the two temperature detection parts 5 can be installed in any two output lines among the output lines 43U, 43V, and 43W.
  • a method of estimating the temperature of the stator winding 4 by installing the temperature detection unit 5 at the neutral point 44 can be considered.
  • the neutral point 44 has a small area and is located at the coil end 42 where the stator winding 4 is concentrated, there is not enough work space around the temperature detection unit 5 to be installed. It is not a suitable place to install 5.
  • the temperature of the stator winding 4 of each phase is obtained even when the rotating electrical machine 1 is locked. Can do.
  • the temperatures of the U-phase and V-phase stator windings 4 are obtained by measurement by two temperature detectors 5, and the temperatures of the W-phase stator windings 4 are determined by the U-phase and V-phase stator windings 4. It can be estimated from the temperature.
  • the temperature of the stator winding 4 of the other one phase is estimated from the temperature of the stator winding 4 of the two phases (U phase and V phase). How to do is explained briefly.
  • the stator windings 4 of the respective phases have the same amount of flowing current and the same temperature.
  • the amounts of current flowing through the stator windings 4 of the respective phases are different from each other.
  • the amount of current flowing through the U-phase and V-phase stator windings 4 is determined from the increase in temperature from before the U-phase and V-phase stator windings 4 are locked. Resistance and heat capacity).
  • the amount of current flowing through the W-phase stator winding 4 is determined from the amount of current flowing through the U-phase and V-phase stator windings 4. Then, the temperature of the W-phase stator winding 4 flows to the W-phase stator winding 4 by using the temperature before locking of the W-phase stator winding 4 and the physical property value of the stator winding 4. It is obtained from the amount of current.
  • the temperatures of the three-phase stator windings 4 can be obtained even when the rotating electrical machine 1 is locked. .
  • the temperature of the stator winding 4 of two phases U phase and V phase
  • the temperature of the stator winding 4 of the other one phase W phase
  • the temperature of the three-phase stator winding 4 can be determined with higher accuracy than when only one temperature detection unit 5 is installed on the output line 43U as described with reference to FIG.
  • the temperature of the stator winding 4 of the other two phases is estimated from the measured temperature of the temperature detection unit 5, so that the estimation accuracy is lowered).
  • the stator 2 may include three temperature detection units 5.
  • the stator 2 includes three temperature detection units 5, one temperature detection unit 5 is connected to the U-phase output line 43U, one temperature detection unit 5 is connected to the V-phase output line 43V, and the other temperature detection unit 5 is connected. Is installed on the W-phase output line 43W, it is not necessary to estimate the temperature of the stator winding 4, so that the temperature of the three-phase stator winding 4 can be obtained with higher accuracy. .
  • FIG. 5 is a schematic diagram showing the overall configuration of the rotating electrical machine according to the second embodiment of the present invention. 5 is a cross-sectional view of a part of the inside of the rotating electrical machine 1 as in FIG. Below, a different point from the rotary electric machine 1 by Example 1 is mainly demonstrated.
  • the rotating electrical machine 1 includes a housing 10, a stator 2 having a stator core 20, and a rotor 3.
  • the stator core 20 has a slot, and the stator winding 4 is disposed in this slot.
  • a cooling pipe 16 through which a coolant flows is installed in the motor chamber on the inner peripheral side of the housing 10. The cooling pipe 16 supplies the cooling liquid directly to the coil end 42 and the stator core 20 by applying the cooling liquid to the coil end 42 and the stator core 20.
  • the stator 2 is directly cooled by the coolant supplied from the cooling pipe 16 flowing through the coil end 42 and the side surfaces of the stator core 20.
  • the output line 43 is provided with a temperature detector 5 for measuring the temperature of the stator winding 4.
  • the control unit of the rotating electrical machine 1 can detect the temperature of the stator winding 4 by monitoring the signal from the temperature detection unit 5.
  • stator winding 4 When the rotating electrical machine 1 operates and current flows through the stator winding 4, copper loss occurs in the stator winding 4 and heat is generated. Since the stator windings 4 are densely packed in the coil end 42, the heat generated by the copper loss is accumulated and the temperature becomes high.
  • the stator core 20 and the coil end 42 are cooled by the cooling liquid supplied from the cooling pipe 16 flowing on the surface, contacting the cooling liquid, and transferring heat directly to the cooling liquid. Since the temperature increases as the distance of the heat transfer path from the cooling source increases, the temperature of the stator winding 4 (output line 43) extending from the coil end 42 is higher than that of the stator winding 4 of the coil end 42. Become.
  • the temperature detector 5 is installed on the output wire 43, that is, the stator winding 4 extending from the coil end 42.
  • the output line 43 is a high-temperature part that is hard to be affected by the temperature of the coil end 42 and includes a portion having the highest temperature (or a portion estimated to have the highest temperature) in the stator winding 4. Therefore, the temperature detection unit 5 installed on the output line 43 is not easily affected by the temperature of the coil end 42 and can measure the temperature of the high temperature part, so that the temperature of the stator winding 4 can be measured with high accuracy. is there.
  • the stator winding 4 of the coil end 42 is directly cooled by the coolant in contact with the coolant.
  • the temperature of the part where the temperature detection unit 5 of the output line 43 is installed increases. Therefore, in the direct cooling method, when the temperature detection unit 5 is installed on the output line 43 of the phase of the stator winding 4 having the shortest part constituting the coil end 42, the temperature detection unit 5 is included in the output line 43 of each phase. The temperature at the highest temperature part can be measured.
  • stator 2 includes a plurality of temperature detection units 5, in the direct cooling method, one of the plurality of temperature detection units 5 is replaced with a stator having the shortest part constituting the coil end 42.
  • the temperature at the highest temperature portion of the output line 43 of each phase can be measured.
  • this invention is not limited to said Example, A various deformation
  • the above-described embodiments are described in detail for easy understanding of the present invention, and the present invention is not necessarily limited to an aspect including all the configurations described.
  • a part of the configuration of a certain embodiment can be replaced with the configuration of another embodiment.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

L'invention concerne un stator destiné à une machine électrique tournante, et une machine électrique tournante, au moyen desquels la température de l'enroulement de stator peut être mesurée précisément, et qui présente une excellente ouvrabilité en ce qui concerne la fixation d'une unité de détection de température. Le stator comporte: un noyau 20 de stator annulaire; un enroulement 4 de stator disposé sur le noyau 20 de stator, et doté d'une partie constituant des extrémités 42 de bobine dépassant du noyau 20 de stator, et d'une partie s'écartant des extrémités 42 de bobine; une ligne 43U de sortie qui est la partie s'écartant des extrémités 42 de bobine de l'enroulement 4 de stator, et qui est équipée d'une borne 45U de sortie; et une unité 5 de détection de température installée sur la ligne 43U de sortie.
PCT/JP2017/045674 2017-01-16 2017-12-20 Stator pour machine électrique tournante, et machine électrique tournante WO2018131408A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2018561889A JPWO2018131408A1 (ja) 2017-01-16 2017-12-20 回転電機の固定子、及び回転電機

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JP2017-004908 2017-01-16
JP2017004908 2017-01-16

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WO2018131408A1 true WO2018131408A1 (fr) 2018-07-19

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113457939A (zh) * 2020-03-30 2021-10-01 本田技研工业株式会社 粉末涂敷装置及粉末涂敷方法
TWI747593B (zh) * 2020-11-05 2021-11-21 台達電子工業股份有限公司 馬達及其髮夾形導線定子
CN114448117A (zh) * 2020-11-05 2022-05-06 台达电子工业股份有限公司 马达及其发夹形导线定子
US11768114B2 (en) 2019-10-25 2023-09-26 Proterial, Ltd. Temperature sensor, power distribution component having the same, and motor having power distribution component

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Publication number Priority date Publication date Assignee Title
JPS5574266U (fr) * 1978-11-16 1980-05-22
JPS59122772U (ja) * 1983-02-03 1984-08-18 三菱電機株式会社 電動機の過熱保護装置
JP2004023816A (ja) * 2002-06-12 2004-01-22 Sumitomo Heavy Ind Ltd 駆動部の冷却装置
JP2011030288A (ja) * 2009-07-22 2011-02-10 Toyota Motor Corp 回転電機
JP2014075909A (ja) * 2012-10-04 2014-04-24 Honda Motor Co Ltd 回転電機
JP2016111833A (ja) * 2014-12-08 2016-06-20 日産自動車株式会社 回転電機のステータ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5574266U (fr) * 1978-11-16 1980-05-22
JPS59122772U (ja) * 1983-02-03 1984-08-18 三菱電機株式会社 電動機の過熱保護装置
JP2004023816A (ja) * 2002-06-12 2004-01-22 Sumitomo Heavy Ind Ltd 駆動部の冷却装置
JP2011030288A (ja) * 2009-07-22 2011-02-10 Toyota Motor Corp 回転電機
JP2014075909A (ja) * 2012-10-04 2014-04-24 Honda Motor Co Ltd 回転電機
JP2016111833A (ja) * 2014-12-08 2016-06-20 日産自動車株式会社 回転電機のステータ

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11768114B2 (en) 2019-10-25 2023-09-26 Proterial, Ltd. Temperature sensor, power distribution component having the same, and motor having power distribution component
CN113457939A (zh) * 2020-03-30 2021-10-01 本田技研工业株式会社 粉末涂敷装置及粉末涂敷方法
CN113457939B (zh) * 2020-03-30 2022-08-09 本田技研工业株式会社 粉末涂敷装置及粉末涂敷方法
TWI747593B (zh) * 2020-11-05 2021-11-21 台達電子工業股份有限公司 馬達及其髮夾形導線定子
CN114448117A (zh) * 2020-11-05 2022-05-06 台达电子工业股份有限公司 马达及其发夹形导线定子
CN114448117B (zh) * 2020-11-05 2023-10-24 台达电子工业股份有限公司 马达及其发夹形导线定子

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