WO2017154536A1 - Pompe actionnée électriquement - Google Patents

Pompe actionnée électriquement Download PDF

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Publication number
WO2017154536A1
WO2017154536A1 PCT/JP2017/006100 JP2017006100W WO2017154536A1 WO 2017154536 A1 WO2017154536 A1 WO 2017154536A1 JP 2017006100 W JP2017006100 W JP 2017006100W WO 2017154536 A1 WO2017154536 A1 WO 2017154536A1
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WO
WIPO (PCT)
Prior art keywords
motor
region
pump
disposed
circuit
Prior art date
Application number
PCT/JP2017/006100
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English (en)
Japanese (ja)
Inventor
康司 鎌田
Original Assignee
パナソニックＩｐマネジメント株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by パナソニックＩｐマネジメント株式会社 filed Critical パナソニックＩｐマネジメント株式会社
Publication of WO2017154536A1 publication Critical patent/WO2017154536A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • 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
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans

Definitions

  • the present invention relates to an electric pump, and more particularly to an electric pump used in a cooling system for a vehicle.
  • a cooling system that cools heat-generating equipment in the vehicle with cooling water (refrigerant) cooled by a radiator.
  • a cooling system is used that cools a power unit including an inverter and a converter by sending cooling water cooled by a radiator through a pipe.
  • an electric pump is used to circulate the cooling water in the pipe.
  • a pump chamber provided with a suction port for sucking cooling water and a discharge port for discharging the sucked cooling water, a motor for rotating an impeller in the pump chamber, and a motor are driven.
  • an electric water pump including a motor chamber that houses a drive circuit unit for the purpose (see, for example, Patent Document 1).
  • the drive circuit unit includes a plurality of circuit components constituting a drive circuit for driving the motor, and a circuit board on which the plurality of circuit components are mounted.
  • the present invention has been made to solve the conventional problems, and the circuit components for driving the motor are subjected to a high temperature load without increasing the number of man-hours at the time of manufacture or increasing the size of the entire pump. It aims at providing the electric pump which can suppress this.
  • an electric pump that sucks and discharges a refrigerant, and includes a suction port for sucking the refrigerant and a discharge for discharging the sucked refrigerant.
  • a pump region in which a pump chamber having an outlet is disposed, a motor region in which a motor for rotating an impeller disposed in the pump chamber is disposed, and a plurality of circuit components for driving the motor are mounted.
  • a motor drive circuit region that is a region where a circuit board is disposed. The motor drive circuit region is disposed adjacent to the pump chamber through which the refrigerant sucked from the suction port flows.
  • the present invention it is possible to suppress the circuit components for driving the motor from being subjected to a high temperature load without increasing the number of man-hours at the time of manufacture or increasing the size of the entire pump.
  • FIG. 1 is an external perspective view of an electric pump according to an embodiment.
  • FIG. 2 is a front view of the electric pump according to the embodiment.
  • FIG. 3 is a side view of the electric pump according to the embodiment.
  • FIG. 4 is a top view of the electric pump according to the embodiment.
  • FIG. 5 is an exploded view of the electric pump according to the embodiment.
  • FIG. 6 is a cross-sectional view of the electric pump according to the embodiment.
  • FIG. 7 is a conceptual diagram showing an outline of the electric pump according to the embodiment.
  • FIG. 8 is a conceptual diagram showing an outline of the electric pump of the comparative example.
  • FIG. 9 is a cross-sectional view of another electric pump according to the embodiment.
  • FIG. 10 is a conceptual diagram showing an outline of an electric pump according to a modification.
  • the plurality of circuit components there are heat generating components that generate heat, such as coils or semiconductor components.
  • the motor generates heat by driving the motor.
  • the ambient temperature of the electric water pump may be high. For this reason, low heat-resistant parts such as electrolytic capacitors may be deteriorated by receiving a high temperature load.
  • FIGS. 1 to 6 are diagrams showing the configuration of the electric pump 1 according to the embodiment.
  • FIG. 1 is an external perspective view of an electric pump according to an embodiment.
  • FIG. 2 is a front view of the electric pump.
  • FIG. 3 is a side view of the electric pump.
  • FIG. 4 is a top view of the electric pump.
  • FIG. 5 is an exploded view of the electric pump.
  • FIG. 6 is a sectional view of the electric pump. In FIG. 6, thick arrows indicate the flow of the refrigerant.
  • the electric pump 1 is an electric pump that uses a refrigerant as a working fluid and sucks and discharges the refrigerant by power of a motor.
  • the electric pump 1 in the present embodiment is an electric water pump that uses water (cooling water) as a refrigerant.
  • the electric pump 1 is a cooling pump incorporated in a circulation path connected to a heat exchanger such as a radiator.
  • a heat exchanger such as a radiator.
  • the electric pump 1 circulates cooling water cooled by a radiator, thereby supplying cooling water to a power unit, an engine (internal combustion engine), or the like including an inverter or a converter.
  • the electric pump 1 includes a casing 100 having a pump chamber 100a (pump casing) and a motor chamber 100b (motor casing), an impeller 200 disposed in the pump chamber 100a, a motor
  • the motor 300 and the drive circuit unit 400 are provided in the chamber 100b.
  • the drive circuit unit 400 includes a plurality of circuit components 410 and a circuit board 420 on which the plurality of circuit components 410 are mounted.
  • the housing 100 is an outer member that forms an outer shell of the electric pump 1. As shown in FIGS. 5 and 6, the housing 100 includes a first housing portion 110, a second housing portion 120, and a third housing portion 130. The first housing unit 110, the second housing unit 120, and the third housing unit 130 are connected and fixed to each other by, for example, three screws.
  • the first housing unit 110, the second housing unit 120, and the third housing unit 130 are made of a resin material, a metal material, or the like.
  • the first housing unit 110, the second housing unit 120, and the third housing unit 130 are made of PPS (Polyphenylene sulfide) resin, which is relatively light and has high thermal conductivity among resin materials. Composed.
  • the pump chamber 100 a is a region through which the refrigerant passes, and is configured by the first housing unit 110 and the second housing unit 120. That is, the pump chamber 100a is a space region surrounded by the first housing part 110 and the second housing part 120, and the flow path is formed using the first housing part 110 and the second housing part 120 as a partition wall. Constitute.
  • the pump chamber 100a has a suction port 101 for sucking the refrigerant and a discharge port 102 for discharging the sucked refrigerant.
  • the suction port 101 and the discharge port 102 are provided in the first housing part 110.
  • the suction port 101 and the discharge port 102 have a long cylindrical shape, and are provided in the first housing unit 110 so as to cross each other.
  • the suction port 101 is provided such that the direction in which the refrigerant flows through the suction port 101 and the rotation axis of the impeller 200 are substantially parallel.
  • the discharge port 102 is provided such that the direction in which the refrigerant flows in the discharge port 102 and the tangential direction of the rotation circle of the impeller 200 are substantially parallel.
  • the motor chamber 100b includes a second casing 120 and a third casing 130.
  • the motor chamber 100b is a space area surrounded by the second housing part 120 and the third housing part 130, and the second housing part 120 and the third housing part 130 form a closed space as a partition wall.
  • casing part 120 serves as the partition of the pump chamber 100a and the motor chamber 100b.
  • the motor 300 and the drive circuit unit 400 are accommodated in the motor chamber 100b. That is, the motor 300 and the drive circuit unit 400 are disposed in the same internal space (the motor chamber 100b). Specifically, the motor chamber 100b accommodates the motor 300 and a plurality of circuit components 410 and a circuit board 420.
  • the electric pump 1 in the present embodiment has a structure that is separated into a pump chamber 100a that is a liquid layer and a motor chamber 100b that is an air layer, with the second housing portion 120 as a boundary. That is, the electric pump 1 is different from the canned type in which the motor is immersed in the refrigerant, and the motor 300 in the motor chamber 100b is not immersed in the refrigerant. That is, the electric pump 1 has a structure in which the refrigerant does not flow into the motor chamber 100b.
  • the electric pump 1 includes a pump region (pump unit) P that is a region where the pump chamber 100a is disposed, a motor region (motor unit) M that is a region where the motor 300 is disposed, And a motor drive circuit region (motor drive circuit portion) D, which is a region where the circuit board 420 on which the circuit component 410 is mounted is disposed.
  • a motor drive circuit region D a plurality of circuit components 410 are also disposed along with the circuit board 420. That is, the drive circuit unit 400 is disposed in the motor drive circuit region D.
  • the pump region P, the motor region M, and the motor drive circuit region D are regions where the electric pump 1 is assigned along the axial direction of the impeller 200. Specifically, the motor region M, the motor drive circuit region D, and the pump region P are assigned in this order from the bottom.
  • the motor drive circuit area D is located between the pump area P and the motor area M.
  • the first casing unit 110 is mainly disposed in the pump region P.
  • the second housing part 120 is mainly disposed in the motor drive circuit region D.
  • the third housing part 130 is mainly disposed in the motor region M.
  • the pump chamber 100a corresponds only to the pump region P.
  • the motor chamber 100 b corresponds to the motor drive circuit area D and the motor area M.
  • the motor drive circuit region D is a region on the pump chamber 100a side in a region between the second housing portion 120 and the third housing portion 130 that constitute the motor chamber 100b.
  • the motor region M is a region on the opposite side to the pump chamber 100a side in the region between the second housing part 120 and the third housing part 130 constituting the motor chamber 100b.
  • the impeller 200 (impeller) has a disk-shaped bottom (base) 210 and a plurality of blades 220 (blades).
  • the impeller 200 is installed at a position facing the suction port 101.
  • the plurality of blades 220 are fixed to the bottom portion 210.
  • the plurality of blades 220 are open blades.
  • the plurality of blades 220 are arranged substantially radially about the central axis of the motor 300 (rotor 320).
  • the central axis (rotary axis) of the impeller 200 is coaxial with the rotational axis of the rotor 320 of the motor 300.
  • impeller 200 and motor 300 are connected by shaft 500. By rotating the shaft 500 by the motor 300, the impeller 200 rotates.
  • the shaft 500 is disposed so as to protrude from the motor chamber 100b to the pump chamber 100a through a through hole 121 provided in the second casing 120.
  • the shaft 500 connects the motor 300 and the impeller 200 via a through hole 121 provided in a partition wall (second housing part 120) that partitions the pump chamber 100a and the motor chamber 100b.
  • the shaft 500 since the motor drive circuit region D is located between the pump region P and the motor region M, the shaft 500 is configured to pass through the motor drive circuit region D. In the motor drive circuit region D, the shaft 500 penetrates the circuit board 420.
  • the shaft 500 is made of a metal material such as iron.
  • the through hole 121 is provided with a resin seal member 700 for sealing between the shaft 500 and the through hole 121.
  • the seal member 700 has an insertion hole through which the shaft 500 is inserted, and a lip portion standing from the insertion hole.
  • the seal member 700 seals between the shaft 500 and the through-hole 121 by generating a surface pressure on the sliding surface with the shaft 500 due to the elastic deformation of the lip portion.
  • the shaft 500 includes a first shaft portion 510 existing in the pump region P (pump chamber 100a), a second shaft portion 520 existing in the motor region M, and a third shaft portion 530 existing in the motor drive circuit region D.
  • the third shaft portion 530 is a portion between the first shaft portion 510 and the second shaft portion 520.
  • the first shaft portion 510 is connected to the bottom portion 210 of the impeller 200 in the pump chamber 100a.
  • the impeller 200 is fixed to the tip of the first shaft portion 510 with a push nut 600.
  • the second shaft portion 520 is connected to the rotor 320 of the motor 300 in the motor chamber 100b.
  • the distal end portion of the second shaft portion 520 is supported by a bearing provided in the motor region M.
  • the third shaft portion 530 is supported by a bearing provided in the motor drive circuit region D.
  • the motor 300 operates the refrigerant in the pump chamber 100a.
  • the motor 300 rotates the impeller 200 disposed in the pump chamber 100 a through the shaft 500, thereby drawing the refrigerant from the suction port 101 into the pump chamber 100 a and discharging it from the discharge port 102.
  • the motor 300 is, for example, an inner rotor type DC brushless motor, and includes a stator 310 (stator) and a rotor 320 disposed on the inner peripheral side of the stator 310.
  • the stator 310 has a plurality of coils 311 (windings), and generates a magnetic flux on the inner peripheral side when the coil 311 is energized.
  • the shaft 500 is connected to the magnetic pole part 321.
  • the magnetic pole portion 321 is a columnar member installed so as to face the stator 310 with a slight gap (air gap) from the inner peripheral surface of the stator 310.
  • the magnetic pole portion 321 is provided with a plurality of magnetic poles (for example, permanent magnets in which N poles and S poles are alternately arranged in the circumferential direction) corresponding to the plurality of coils 311 of the stator 310.
  • the shaft 500 is a shaft member that transmits power for rotating the impeller 200, and is provided coaxially with the magnetic pole portion 321.
  • the motor 300 is covered with a cup-shaped cover 330.
  • the cover 330 is made of a metal made of a metal material such as iron, but is not limited to this and may be made of a resin.
  • the drive circuit unit 400 includes a plurality of circuit components 410 for driving the motor 300 and a circuit board 420 on which the plurality of circuit components 410 are mounted.
  • the plurality of circuit components 410 include a drive circuit for driving the motor 300 and the like.
  • the circuit component 410 (circuit element) is, for example, a capacitance element such as an electrolytic capacitor or a ceramic capacitor, a resistance element such as a resistor, a coil element, or a semiconductor element such as a microcontroller (integrated circuit element).
  • the circuit component 410 may include a rotational position detection element (Hall IC (Integrated Circuit)) for detecting the rotational position of the rotor 320.
  • many of the plurality of circuit components 410 are mounted on the surface of the circuit board 420 on the impeller 200 side.
  • circuit components 410 there are low heat resistant components (lifetime components) whose heat resistant temperature is relatively lower than other circuit components and whose product life is affected by the temperature.
  • Examples of the circuit component 410 that is a low heat resistant component having a low heat resistant temperature include an electrolytic capacitor 411.
  • circuit component 410 there are heat generating components in which coils or semiconductor components generate heat themselves.
  • the circuit component 410 that is a heat-generating component include a microcontroller (hereinafter abbreviated as “microcomputer”) 412 configured by an analog circuit including a SIP (Single Inline Package) switch and the like.
  • the circuit board 420 is, for example, a printed wiring board in which metal wiring is patterned on the surface of a resin board.
  • the plurality of circuit components 410 mounted on the circuit board 420 are electrically connected to each other by metal wiring.
  • a through hole 421 through which the shaft 500 passes is formed in the circuit board 420.
  • the through hole 421 is circular, for example, but is not limited thereto.
  • the motor drive circuit region D which is a region where the circuit board 420 is disposed, is adjacent to the pump chamber 100 a through which the refrigerant sucked from the suction port 101 flows. Arranged.
  • the circuit component 410 is arranged at a position close to the pump chamber 100a. Therefore, the circuit component 410 can be cooled by the refrigerant flowing into the pump chamber 100a. That is, the circuit component 410 and the heat around the circuit component 410 can be conducted to the refrigerant in the pump chamber 100a to dissipate heat.
  • the electric pump 1 cools the circuit components 410 of the electric pump 1 using the refrigerant that is circulated by itself. Thereby, it is not necessary to enclose the refrigerant in the motor chamber 100b or separately provide a cooling channel. Therefore, it is possible to prevent the circuit component 410 for driving the motor 300 from receiving a high-temperature load while avoiding an increase in the number of man-hours during manufacturing and an increase in the size of the entire pump. By cooling the circuit component 410 in this way, the pump output can be improved, the cost of the circuit component 410 can be reduced, and the electric pump 1 can be downsized.
  • the motor drive circuit region D is disposed at a position closer to the pump chamber 100a than the motor region M.
  • the circuit component 410 arranged in the motor drive circuit area D can be brought closer to the refrigerant in the pump chamber 100a than the motor 300 arranged in the motor area M. Therefore, the circuit component 410 can be effectively cooled. Therefore, it is possible to further suppress the circuit component 410 from receiving a high temperature load.
  • FIG. 7 is a conceptual diagram showing an outline of the electric pump according to the embodiment.
  • motor drive circuit region D is arranged between pump region P and motor region M. That is, the pump region P, the motor drive circuit region D, and the motor region M have a three-layer structure (three-storey structure) stacked in the axial direction of the shaft 500 and the impeller 200.
  • the motor drive circuit region D located on the second layer (second floor) is sandwiched between the motor region M located on the first layer (first floor) and the pump region P located on the third layer (third floor). It is a configuration.
  • FIG. 8 is a conceptual diagram showing an outline of the electric pump of the comparative example. Accordingly, as compared with the electric pump 1X having a structure in which the motor region M is disposed between the pump region P and the motor drive circuit region D as shown in FIG.
  • the circuit component 410 can be effectively cooled by the refrigerant in the pump chamber 100a in the region P. Therefore, it is possible to more effectively suppress the circuit component 410 from receiving a high temperature load.
  • the electric pump 1 is mainly arranged in the first housing part 110 arranged mainly in the pump region P, the second housing part 120 arranged mainly in the motor drive circuit region D, and mainly in the motor region M.
  • the pump chamber 100a includes a first housing part 110 and a second housing part 120.
  • the motor 300 and the circuit board 420 are housed in a motor chamber 100b configured by the second housing part 120 and the third housing part 130.
  • the electric pump 1 having a structure in which the pump chamber 100a and the motor chamber 100b are separated can be realized.
  • an electric water pump a canned type in which a pump chamber and a motor chamber are integrated is also known.
  • the cand type electric water pump needs to have a sealed space in which the cooling water does not leak as a whole. Therefore, the man-hour at the time of manufacture becomes large, or the whole pump becomes large.
  • the electric pump 1 in the present embodiment employs a structure in which the pump chamber 100a and the motor chamber 100b are separated, and the motor drive circuit region D is disposed adjacent to the pump chamber 100a. Therefore, the electric pump 1 in the present embodiment can be reduced in size and can improve the overall pump efficiency as compared with the canned electric pump.
  • a part of the second housing part 120 may be close to at least one of the circuit components 410.
  • a part of the second housing 120 is brought close to the electrolytic capacitor 411 that is a low heat-resistant component. More specifically, the recess 122 is provided in the second casing 120, and the electrolytic capacitor 411 is disposed so as to be accommodated in the recess 122. That is, the upper part and the side periphery of the electrolytic capacitor 411 are covered with the recess 122.
  • the low heat resistant parts such as the electrolytic capacitor 411 close to the second casing 120, it is possible to further suppress the low heat resistant parts from being subjected to a high temperature load.
  • a part of the second housing part 120 to be brought close to the circuit component 410 is made of a material having excellent thermal conductivity.
  • heat conduction such as heat radiation resin is provided in the gap between the recess 122 of the second casing 120 and the circuit component 410 (electrolytic capacitor 411 in this embodiment) covered with the recess 122.
  • a member may be interposed.
  • paste-like or high-viscosity liquid silicone RTV (Room Temperature Vulcanizing) rubber or the like is applied onto the circuit component 410 and the electric pump 1 is assembled, whereby the recess 122 and the circuit component 410 of the second housing unit 120 are assembled.
  • Silicone RTV rubber may be filled in the gap between the two. The silicone RTV rubber cures by reacting with moisture to become a rubber elastic body, and adheres to the second casing 120 and the circuit component 410. Or you may fill the clearance gap between the recessed part 122 of the 2nd housing
  • a part of the second housing part 120 is brought closer to the low heat resistant part such as the electrolytic capacitor 411, A part of the second casing 120 may be brought into contact with a low heat resistant component such as the electrolytic capacitor 411.
  • the heat conducted to the low heat-resistant components such as the electrolytic capacitor 411 can be conducted to the refrigerant in the pump chamber 100a via the second casing portion 120 to be dissipated.
  • FIG. 9 is a cross-sectional view of another electric pump according to the embodiment.
  • a part of the second casing 120 may be brought close to or in contact with the microcomputer 412 configured by an analog circuit.
  • the microcomputer 412 configured by an analog circuit.
  • an extension part 123 that extends a part of the second casing part 120 is formed in the second casing part 120, and the extension part 123 is brought close to the microcomputer 412. Also good.
  • a paste-like or high-viscosity liquid silicone RTV rubber or the like is applied on the microcomputer 412 or a heat dissipation sheet is interposed between the extending portion 123 and the microcomputer 412 as shown in FIG.
  • the gap between the extending portion 123 and the microcomputer 412 may be filled with a heat radiation resin. Note that the distal end portion of the extending portion 123 may be brought into direct contact with the microcomputer 412 without using a heat radiating resin.
  • the heat generated by the microcomputer 412 that is a heat generating component can be conducted to the refrigerant in the pump chamber 100a through the second casing 120 to be dissipated. Therefore, it is possible to reduce the influence of heat from the heat-generating parts such as the microcomputer 412 on the low heat-resistant parts such as the electrolytic capacitor 411. Therefore, it is possible to further reduce the influence of heat applied to the low heat resistant component.
  • the circuit component 410 such as the electrolytic capacitor 411 having a low heat-resistant temperature may be disposed away from the circuit component 410 such as the microcomputer 412 that is a heat generating component.
  • the electric pump 1 of the present embodiment is an electric pump that sucks and discharges the refrigerant, and includes the suction port 101 for sucking the refrigerant and the discharge port 102 for discharging the sucked refrigerant.
  • a motor drive circuit region in which the circuit board 420 to be mounted is disposed.
  • the motor drive circuit region is disposed adjacent to the pump chamber 100a through which the refrigerant sucked from the suction port 101 flows.
  • the motor drive circuit area is disposed closer to the pump chamber 100a than the motor area.
  • the motor drive circuit area is arranged between the pump area and the motor area.
  • the electric pump 1 includes a first housing part 110 disposed in the pump area, a second housing part 120 disposed in the motor drive circuit area, and a third housing part 130 disposed in the motor area.
  • the pump chamber 100a includes a first housing part 110 and a second housing part 120.
  • the motor 300 and the circuit board 420 are housed in a motor chamber configured by the second housing part 120 and the third housing part 130.
  • a part of the second casing 120 is close to or in contact with at least one of the plurality of circuit components 410.
  • the at least one circuit component 410 that is close to or in contact with a part of the second casing 120 is preferably a low heat resistant component having a heat resistant temperature lower than that of other circuit components.
  • an electrolytic capacitor is used as a representative example of the low heat resistance component.
  • the at least one circuit component that is in proximity to or in contact with a part of the second casing may be a microcomputer configured by an analog circuit.
  • FIG. 10 is a conceptual diagram showing an outline of an electric pump according to a modification.
  • the motor drive circuit region D is arranged adjacent to the pump chamber 100a, as shown in FIG. 10, not only the motor drive circuit region D but also the motor region M is adjacent to the pump chamber 100a. You may arrange.
  • the circuit component 410 since the circuit component 410 is disposed adjacent to the pump chamber 100a, the circuit component 410 can be cooled by the refrigerant flowing in the pump chamber 100a.
  • the circuit board 420 in the motor drive circuit region D has, for example, a donut shape.
  • the motor 300 is an inner rotor type DC brushless motor, but is not limited thereto.
  • the electric pump according to the present invention is a pump for circulating a refrigerant such as water, and can be used as an electric water pump used in, for example, a cooling system for a vehicle.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

L'invention concerne une pompe actionnée électriquement (1), laquelle pompe est destinée à aspirer et à refouler un réfrigérant. La pompe actionnée électriquement (1) comporte : une région de pompe (P) dans laquelle une chambre de pompe (100a) est disposée, la chambre de pompe (100a) ayant une ouverture d'aspiration (101) qui aspire le réfrigérant et une ouverture de refoulement qui refoule le réfrigérant aspiré ; une région de moteur (M) dans laquelle un moteur (300) est disposé, le moteur (300) faisant tourner une hélice (200) disposée à l'intérieur de la chambre de pompe (100a) ; et une région de circuit d'actionnement de moteur (D) dans laquelle une carte de circuits imprimés (420) est disposée, la carte de circuits imprimés (420) ayant, montés sur cette dernière, une pluralité de composants de circuit (410) pour actionner le moteur (300). La région de circuit d'actionnement de moteur (D) est disposée de façon adjacente à la chambre de pompe (100a) à travers laquelle s'écoule le réfrigérant aspiré à partir de l'ouverture d'aspiration (101).
PCT/JP2017/006100 2016-03-10 2017-02-20 Pompe actionnée électriquement WO2017154536A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016047679A JP2019073973A (ja) 2016-03-10 2016-03-10 電動ポンプ
JP2016-047679 2016-03-10

Publications (1)

Publication Number Publication Date
WO2017154536A1 true WO2017154536A1 (fr) 2017-09-14

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WO (1) WO2017154536A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020033934A (ja) * 2018-08-30 2020-03-05 パナソニックＩｐマネジメント株式会社 電動ポンプ

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021075640A (ja) * 2019-11-11 2021-05-20 ポリプラスチックス株式会社 水を含む流体と接触し得る車両用冷却系部品

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11166500A (ja) * 1997-12-03 1999-06-22 Toshiba Ave Co Ltd ポンプ
JP2006063956A (ja) * 2004-08-30 2006-03-09 Aisin Seiki Co Ltd 電動ポンプ
JP2006299975A (ja) * 2005-04-21 2006-11-02 Asmo Co Ltd 流体ポンプ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11166500A (ja) * 1997-12-03 1999-06-22 Toshiba Ave Co Ltd ポンプ
JP2006063956A (ja) * 2004-08-30 2006-03-09 Aisin Seiki Co Ltd 電動ポンプ
JP2006299975A (ja) * 2005-04-21 2006-11-02 Asmo Co Ltd 流体ポンプ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020033934A (ja) * 2018-08-30 2020-03-05 パナソニックＩｐマネジメント株式会社 電動ポンプ
JP7186342B2 (ja) 2018-08-30 2022-12-09 パナソニックＩｐマネジメント株式会社 電動ポンプ

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