WO2022057785A1 - 电子油泵 - Google Patents

电子油泵 Download PDF

Info

Publication number
WO2022057785A1
WO2022057785A1 PCT/CN2021/118180 CN2021118180W WO2022057785A1 WO 2022057785 A1 WO2022057785 A1 WO 2022057785A1 CN 2021118180 W CN2021118180 W CN 2021118180W WO 2022057785 A1 WO2022057785 A1 WO 2022057785A1
Authority
WO
WIPO (PCT)
Prior art keywords
control board
conductive
oil pump
board assembly
electronic
Prior art date
Application number
PCT/CN2021/118180
Other languages
English (en)
French (fr)
Inventor
刘莉莉
孙冬冬
叶葳
施伟杰
Original Assignee
浙江三花汽车零部件有限公司
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 浙江三花汽车零部件有限公司 filed Critical 浙江三花汽车零部件有限公司
Priority to US18/026,581 priority Critical patent/US20230336057A1/en
Priority to EP21868608.7A priority patent/EP4216407A1/en
Priority to JP2023516750A priority patent/JP2023541924A/ja
Publication of WO2022057785A1 publication Critical patent/WO2022057785A1/zh

Links

Images

Classifications

    • 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
    • H02K11/40—Structural association with grounding devices
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • F04C13/001—Pumps for particular liquids
    • F04C13/002—Pumps for particular liquids for homogeneous viscous liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
    • 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
    • H02K11/02—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
    • 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
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/52—Fastening salient pole windings or connections thereto
    • H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
    • H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/008—Enclosed motor pump units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2210/00—Fluid
    • F04C2210/20—Fluid liquid, i.e. incompressible
    • F04C2210/206—Oil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/40—Electric motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/808—Electronic circuits (e.g. inverters) installed inside the machine
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/09—Machines characterised by wiring elements other than wires, e.g. bus rings, for connecting the winding terminations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
    • H02K2211/03—Machines characterised by circuit boards, e.g. pcb

Definitions

  • the present application relates to the field of vehicles, and in particular, to components of a vehicle lubrication system and/or cooling system.
  • the electronic oil pump mainly provides a power source for the lubrication system and/or cooling system of the vehicle; the electronic oil pump includes the electronic control board assembly, and the electronic control board assembly includes electronic components; during the use of the electronic oil pump, the electronic control board assembly may generate electromagnetic radiation , these electromagnetic radiation may cause interference to electronic components and/or other external devices, thereby affecting the performance or use of electronic components and/or other external devices.
  • the purpose of the present application is to provide an electronic oil pump, which is beneficial to reduce the electromagnetic radiation of the electronic control board assembly, and further help to reduce the interference of the electromagnetic radiation of the electronic control board assembly to electronic components and/or other external devices.
  • An electronic oil pump includes a stator assembly and an electric control board assembly, the stator assembly is electrically connected with the electric control board assembly, and the electric control board assembly includes electronic components; the electronic oil pump further includes a pump housing and a conductive The pump casing is capable of conducting electricity, and the conducting member is electrically connected to the reference formation of the electric control board assembly and the pump casing.
  • the conductive member is electrically connected to the reference ground layer of the electric control board assembly and the pump casing, it can provide a low impedance path for the interference voltage in the electric control board assembly, thereby helping to reduce the electromagnetic radiation of the electric control board assembly, and further It is beneficial to reduce the interference of the electromagnetic radiation of the electronic control board assembly to the electronic components and/or other external devices.
  • Fig. 1 is a cross-sectional structure schematic diagram of the first embodiment of the electronic oil pump of the present application
  • Fig. 2 is a front view structural schematic diagram of the electronic oil pump in Fig. 1 after removing the pump cover;
  • Fig. 3 is a three-dimensional schematic diagram of the spacer and the conductive member assembled together in Fig. 1;
  • Fig. 4 is a front view structure schematic diagram of the spacer and the conductive member assembled together in Fig. 3;
  • Fig. 5 is a cross-sectional structure schematic diagram of the section along the A-A direction in Fig. 4;
  • Fig. 6 is a three-dimensional schematic diagram of the assembly of the electric control board assembly and the conductive member in Fig. 1;
  • Fig. 7 is a front structural schematic diagram of the electric control board assembly and the conductive member assembled together in Fig. 6;
  • Fig. 8 is a cross-sectional structure schematic diagram of a section along the A-A direction in Fig. 67;
  • Fig. 9 is a three-dimensional schematic diagram of the conductive member in Fig. 1;
  • FIG. 10a is a schematic three-dimensional structure diagram of the first conductive portion in FIG. 9;
  • Figure 10b is an enlarged structural schematic diagram of the A part of the first conductive part in the figure on the left;
  • FIG. 11 is a schematic three-dimensional structure diagram of the second conductive portion in FIG. 9;
  • FIG. 12 is a schematic cross-sectional structure diagram of the second embodiment of the electronic oil pump of the present application.
  • FIG. 13 is a schematic three-dimensional structure diagram of the isolation element, the conductive element and the shielding element assembled together in FIG. 12;
  • FIG. 14 is a schematic front view of the structure of the isolation member, the conductive member and the shielding member assembled together in FIG. 13;
  • Fig. 15 is a sectional structure schematic diagram of the section along the A-A direction in Fig. 14;
  • Fig. 16 is a three-dimensional schematic diagram of the shielding member in Fig. 12;
  • Fig. 17 is a three-dimensional schematic diagram of the conductive member in Fig. 12;
  • FIG. 19 is a schematic three-dimensional structural diagram of the isolation member, the conductive member and the shielding member assembled together in FIG. 18;
  • 20 is a schematic cross-sectional structure diagram of the fourth embodiment of the electronic oil pump of the present application.
  • FIG. 21 is a schematic three-dimensional structure diagram of the isolation member, the conductive member and the shielding member assembled together in FIG. 20;
  • FIG. 22 is a schematic cross-sectional structure diagram of the fifth embodiment of the electronic oil pump of the present application.
  • the electronic oil pump in the following embodiments can mainly provide flow power for the working medium of the vehicle lubrication system and/or cooling system, and specifically can provide flow power for the working medium of the lubrication system and/or cooling system in the vehicle transmission system.
  • the electronic oil pump 100 includes a pump housing, a first rotor assembly 2, a stator assembly 4, a second rotor assembly 3 and an electronic control board assembly 6; the pump housing can form a pump inner cavity, the first rotor assembly 2, the stator The assembly 4 , the second rotor assembly 3 and the electronic control board assembly 6 are placed in the inner cavity of the pump.
  • the inner cavity of the pump includes a first cavity 70 , a second cavity 80 and a third cavity 90 .
  • the second cavity 80 and the third cavity 90 are sequentially distributed along the height direction.
  • the first rotor assembly 2 is arranged in the first cavity 70
  • the stator assembly 4 and the second rotor assembly 3 are arranged in the second cavity 80
  • the electronic control board assembly 6 is arranged in the first cavity 70 .
  • Three cavities 90 the first cavity 70 is communicated with the second cavity 80, and the second cavity 80 is not communicated with the third cavity 90
  • the stator assembly 4 includes a stator core 41, an insulating frame 42 and a winding 43, and the insulating frame 42 is covered at least on the At least part of the surface of the stator core 41, the winding 43 is wound on the insulating frame 42; when the electronic oil pump 100 is working, the electronic control board assembly 6 controls the stator assembly 4 by controlling the current in the winding 43 to change according to a predetermined law, thereby controlling the stator assembly 4.
  • a changing excitation magnetic field is generated, and the second rotor assembly 3 rotates under the action of the excitation magnetic field.
  • the second rotor assembly 3 can directly or indirectly drive the first rotor assembly 2 to rotate.
  • the first rotor assembly 2 rotates, the first rotor assembly 2 rotates.
  • the volume of the hydraulic chamber between 2 and 2 changes, so that the working medium is pressed out to the outlet to generate flow power; in this embodiment, at least part of the working medium in the first chamber 70 can flow into the second chamber 80, because
  • the stator assembly 4 is disposed in the second cavity 80 , so that the working medium located in the second cavity 80 can cool the stator assembly 4 , thereby facilitating heat dissipation of the stator assembly 4 .
  • the pump casing includes a pump cover 1 , a first casing 7 and a second casing 8 , the pump cover 1 and the first casing 7 , the first casing 7 and the second casing 8 Relatively fixed connection; specifically, in this embodiment, the pump cover 1 and the first housing 7 are connected by screws or bolts, which makes the disassembly and assembly of the electronic oil pump more convenient, thereby facilitating the replacement of the first rotor assembly 2 of the electronic oil pump.
  • the pump cover 1 and the first housing 7 can also be connected in other ways, such as plugging, clipping, etc.; the first housing 7 and the second housing 8 are fixedly connected, specifically, the first housing 7 and the second housing 8 are connected by screws or bolts, on the one hand, this arrangement makes the disassembly and assembly of the electronic oil pump more convenient. In the cavity between, this is also conducive to the maintenance of the electronic control board assembly in the electronic oil pump. On the other hand, it can also make the connection between the first shell 7 and the second shell 8 more reliable.
  • the first shell 7 and The second housing 8 can also be connected by plugging, clipping or other connection methods.
  • the first rotor assembly 2 includes a first rotor 21 and a second rotor 22, the first rotor 21 includes a plurality of inner teeth, the second rotor 22 includes a plurality of outer teeth, and the inner teeth of the first rotor 21
  • a hydraulic chamber 801 is formed between it and the outer teeth of the second rotor 22 .
  • the hydraulic chamber is also a part of the first chamber 70 .
  • the first rotor 21 is sleeved on the outer circumference of the second rotor 22 .
  • the electronic oil pump also includes an inlet port 11 and an outlet port (not shown), the working medium can enter the hydraulic chamber 801 through the inlet port 11, and the working medium can leave the hydraulic pressure through the outlet port (not shown).
  • Cavity 801 because there is a certain eccentric distance between the first rotor 21 and the second rotor 22, when the second rotor 22 rotates, part of the external teeth of the second rotor 22 meshes with part of the internal teeth of the first rotor 21, thereby driving When the first rotor 21 rotates, the inner volume of the hydraulic chamber 801 changes during one rotation of the first rotor 21 and the second rotor 22.
  • the volume in the hydraulic chamber 801 gradually increases to form a partial vacuum, and the working medium is sucked into the hydraulic chamber 801 from the inlet 11.
  • the electronic oil pump 100 also Including the pump shaft 15, the pump shaft 15 can drive part of the first rotor assembly 2 to rotate. Specifically, in this embodiment, the pump shaft 15 can drive the second rotor 22 to rotate.
  • the pump shaft 15 and the second rotor 22 The pump shaft 15 is connected with the second rotor assembly 3 , and the second rotor assembly 3 drives the second rotor 22 to rotate through the pump shaft 15 , thereby realizing the rotation of the first rotor assembly 2 .
  • FIG. 1 is a schematic structural diagram of the first embodiment of the electronic oil pump in the application; the structure of the first embodiment of the electronic oil pump will be described in detail below.
  • the electronic oil pump 100 further includes a conductive member 9, which is electrically connected to the reference ground layer of the electronic control board assembly 6 and the first casing 7, and the first casing 7 can conduct electricity; at least part of the conductive member 9 is located in the first casing
  • the inner cavity of the body 7, the material of the first shell 7 is a metal material, the first shell 7 partially surrounds the outer circumference of the stator assembly 4, and the stator assembly 4 is located in the inner cavity of the first shell 7, so that when the windings of the stator assembly 4 43
  • the electromagnetic waves radiated by the winding 43 can be absorbed and reflected by the first casing 7 itself, which is beneficial to prevent the electromagnetic waves radiated from the winding 43.
  • the electromagnetic wave affects the external system.
  • the electromagnetic wave radiated by the external system can be absorbed and reflected by the first housing 7 itself, which is beneficial to prevent the electromagnetic wave radiated from the external system from affecting the performance of the electronic oil pump; specifically 1, the conductive member 9 includes a first part 911 and a second part 921, the first part 911 is electrically connected to the reference ground layer of the electronic control board assembly 6, and the second part 921 is in contact with the inner wall of the first housing 7,
  • the reference ground layer of the electronic control board assembly 6 is electrically conducted with the first casing 7 through the conductive member 9; in the above-mentioned manner, since the first casing 7 is electrically connected with the reference ground layer of the electronic control board assembly 6, firstly, electricity can be supplied.
  • the interference voltage in the control board assembly 6 provides a low-impedance path, which is beneficial to reduce the electromagnetic radiation of the electronic control board assembly 6, which in turn is beneficial to reduce the interference of the electromagnetic radiation of the electronic control board assembly 6 to electronic components and/or other external devices Second, when the surface of the first casing 7 has static electricity, the static electricity on the surface of the first casing 7 can be conducted to the reference ground layer of the electronic control board assembly 6 through the conductive member 9.
  • the static electricity of the reference ground layer of the electronic control board assembly 6 is conducted to the external grounding place, which is beneficial to reduce the static electricity accumulated on the surface of the first casing 7, and further helps to reduce the static electricity accumulated on the surface of the first casing 7.
  • the accumulated static electricity has an impact on the performance of the external system and/or the electric control board assembly 6.
  • the surface of the electric control board assembly 6 has static electricity, the static electricity on the surface of the electric control board assembly 6 can be conducted to the first electric control board assembly 6 through the conductive member 6.
  • the materials of the pump cover 1 , the first casing 7 and the second casing 8 are metal, the stator core 41 is in contact with the first casing 7 , and the second casing 8 is in contact with the first casing 7 .
  • the pump cover 1 is in contact with the first casing 7, so that the stator iron core 41 and the second casing 8 are electrically connected to the reference ground of the electronic control board assembly 6, so on the one hand, the stator iron core 41, the second casing 8 and the static electricity on the surface of the pump cover 1 can be conducted to the reference ground layer of the electric control board assembly 6, and the static electricity conducted to the reference ground layer of the electric control board assembly 6 is then conducted to the external ground, which is beneficial to reduce the static electricity to the electric control board assembly 6.
  • the grounding area of the electronic oil pump can be increased, which can
  • the interference voltage in the assembly 6 and the stator assembly 4 provides a low-impedance path, which is beneficial to reduce the electromagnetic radiation of the electronic control board assembly 6 and the stator assembly 4, which in turn helps to reduce the electromagnetic radiation of the electronic control board assembly 6 and the stator assembly 4 to the electrons.
  • the material of the pump cover 1, the first casing 7 and the second casing 8 is metal, of course, the material of the first casing 7 can also be metal , the material of the pump cover 1 and the second casing 8 is non-metal.
  • one end of the conductive member 9 is in contact with the first housing 7 .
  • one end of the conductive member 9 can also be in contact with the stator core 41 or the second housing 8 at this time.
  • the electronic oil pump 100 further includes a spacer 5 , at least a part of the spacer 5 is disposed between the stator assembly 4 and the electronic control board assembly 6 , and the second cavity 80 is located on one side of the main body 51 of the spacer 5 , the third cavity 90 is located on the other side of the main body portion 51 of the isolator 5 ; in this embodiment, part of the conductive member 9 is fixedly connected to the main body portion 51 of the isolator 5 , along the axial direction parallel to the height of the electronic oil pump 100 , part of the conductive member 9 passes through the main body 51 of the spacer 5, specifically, in this embodiment, the part of the conductive member 9 is used as an insert, and the spacer 5 is injection-molded, that is, the part of the conductive member 9 and the spacer 5 5.
  • connection is fixed by injection molding, and the connection between the conductive member 9 passing through the spacer 5 and the spacer 5 is sealed;
  • the raised portion 52 is protruded from the upper surface of the main body portion 51 of the isolator 5, and part of the conductive member 9 passes through the first raised portion 52;
  • the first raised portion 52 includes a groove 521, and the groove 521 extends from the first raised portion 52.
  • the upper surface of the raised portion 52 is recessed, the groove 521 does not penetrate the lower surface of the main body portion 51 of the spacer 5, the conductive member 9 passing through the main body portion 51 of the spacer 5 passes through the groove 521, and the conductive element located in the groove 521 There is a gap between the outer circumference of the member 9 and the inner wall of the groove 521, and the gap is filled with sealant; this is beneficial to prevent the working medium in the second cavity 80 from leaking to the first cavity through the connection between the conductive member 9 and the spacer 5.
  • There are three cavities 90 which is beneficial to prevent the performance of the electronic control board assembly 6 located in the third cavity 90 from being affected.
  • the electrical control board assembly 6 includes a base plate 61 , the base plate 61 includes a first surface 615 and a second surface 616 , the first surface 615 is closer to the stator assembly 4 than the second surface 616 ; the base plate 61 includes a through hole 611 , along the thickness direction parallel to the substrate 61 , the through holes 611 are arranged through, and the first part 911 of the conductive member 9 extends into the through holes 611 and fits tightly with the through holes 611 ; The hole 611 connects the first portion 911 of the conductive member 9 to the substrate 61.
  • an abutting portion can also be provided on the electronic control board assembly 6, the abutting portion is located on the first surface 615, and the abutting portion is connected to the electronic control board assembly. 6 is electrically connected to the reference ground layer, the first part 911 is arranged in contact with the abutting part and is electrically connected to the abutting part.
  • the "abutting part” here can be a separate conductive component, and then fixedly connected to the substrate 61, or it can be It is a conductive layer, wherein the conductive layer can be treated with tin plating, electroless nickel plating and immersion gold.
  • the conductive member 9 is at least partially elastic, and the elastic conductive member 9 includes an inclined portion 922 .
  • the front end of the inclined portion 922 is connected to the second portion 921 or the second portion 921 is located in the inclined portion.
  • the inclined part 922 and the second part 921 are integrally arranged; referring to FIG. 1, the inclined part 922 is arranged at an angle with the inner wall of the first casing 7, and the first casing 7 exerts a force on the inclined part 922, so that there are It is beneficial to improve the reliability of the contact between the second part 921 and the first casing 7 .
  • the conductive member 9 includes a first conductive portion 91 and a second conductive portion 92 .
  • the first conductive portion 91 and the second conductive portion 92 are provided as separate bodies. "Integrated" means that the first conductive part 91 and the second conductive part 92 are processed separately and then assembled.
  • the first conductive part 91 and the second conductive part 92 can also be an integrated structure, and the "integrated structure" here is Refers to the first conductive portion 91 and the second conductive portion 92 being processed as a whole; refer to FIGS.
  • the first portion 911 is formed on the first conductive portion 91
  • the second portion 921 and the inclined portion 922 are formed In the second conductive portion 92
  • the second conductive portion 92 has elasticity, and the first conductive portion 91 is disposed in contact with the second conductive portion 92 and is connected;
  • One end of the part 91 is electrically connected to the reference ground layer of the electronic control board assembly 6
  • the other end of the first conductive part 91 is connected to the insulating frame 42
  • the first conductive part 91 is not electrically connected to the winding 43 in FIG. 1 .
  • the second conductive portion 92 further includes a body portion 923 and a limiting portion 924 , a part of the first conducting portion 91 is disposed in contact with the body portion 923 , and one end of the limiting portion 924 is in contact with the body
  • the first side surface 9231 of the part 923 is connected to the other end of the limiting part 924 is connected to the second side surface 9232 of the main body part 923, and the inclined part 922 is connected to the upper end of the main body part 923.
  • the second portion 921 is located on one side of the body portion 923, and part of the limiting portion 924 is located on the other side of the body portion 923;
  • the limiting portion 924 has an accommodating cavity 9240 through which the first conductive portion 91 passes In the cavity 9240, referring to FIG. 9 in combination, the first conductive portion 91 passes through the limiting portion 924, one end of the first conducting portion 91 is located on one side of the limiting portion 924, and the other end of the second conducting portion 92 is located on the side of the limiting portion 924.
  • the other side referring to FIGS.
  • the first conductive portion 91 includes a first limiting surface 912
  • the lower end surface 9241 of the limiting portion 924 of the second conductive portion 92 is located above the first limiting surface 912 , or is limited
  • the lower end surface 9241 of the positioning portion 924 is in contact with the first limiting surface 912 , so that the second limiting portion 924 can be prevented from sliding down along the longitudinal direction of the first conductive portion 91 .
  • the first conductive portion 91 further includes a mating surface 913 and a second limiting surface 914 , one end of the first limiting surface 912 is connected to one end of the mating surface 913 , and the second limiting surface 914 is One end is connected to the other end of the mating surface 913.
  • a gap is formed on the side of the first conductive portion 91, and the walls of the gap form the above-mentioned first limiting surface 912 and mating surface 913 from bottom to top respectively.
  • the second limiting portion 924 can be prevented from sliding up and down along the length direction of the first conductive portion 91; referring to FIG. 10 , the first conductive portion 91 further includes an inclined surface 915, one end of the inclined surface 915 is connected to the second The other end of the limiting surface 914 is connected. Along the length direction of the first conductive portion 91, the inclined surface 915 is located above the mating surface 913. Referring to FIG. 10
  • the limiting portion 924 further includes a first sub-portion 9242 and a second sub-portion 9243 , the first end of the first sub-portion 9242 is connected to the first side surface 9231 of the main body portion 923 , the second end 9244 of the first sub-portion 9242 is a free end, and the first end of the second sub-portion 9243 is connected to the first end of the main body portion 923 .
  • the two side surfaces 9232 are connected, the second end 9245 of the second sub-portion 9243 is a free end, and the second end 9244 of the first sub-portion 9242 and the second end 8245 of the second sub-portion 9243 have a set distance.
  • the side wall corresponding to the accommodating cavity 9240 of the limiting portion 924 and the inclined surface of the first conducting portion 91 When the 915 is in contact, the first sub-portion 9242 and the second sub-portion 9243 can be elastically deformed, so that the mating surface 913 can be located in the accommodating cavity 9240 of the limiting portion 924, thereby realizing the connection between the second conductive portion 92 and the first conductive portion 91.
  • the second conductive portion 92 and the first conductive portion 91 are fixedly arranged by welding.
  • FIG. 12 is a schematic structural diagram of the second embodiment of the electronic oil pump in the present application; the structure of the second embodiment of the electronic oil pump will be described in detail below.
  • the electronic oil pump 100a further includes a shielding member 10, the stator assembly 4, the shielding member 10 and the electronic control board assembly 6 are axially distributed along the height direction of the electronic oil pump, and at least part of the shielding member 10 is located in the stator assembly 4 and the electronic control board assembly 6; the material of the shielding member 10 is a conductive metal material, and at least part of the shielding member 10 covers at least part of the winding 43; through the above method, the shielding member 10 can absorb and reflect at least part of the winding 43 towards The electromagnetic waves radiated by the electronic control board assembly 6 are beneficial to reduce the interference of the electromagnetic waves generated by the windings 43 on the electronic control board assembly 6 .
  • the shielding member 10 is fixedly connected to the isolator 5 .
  • the shielding member 10 and the isolator 5 may also be set in position limit settings; specifically, in this embodiment, the shielding member 10 is located at Between the stator assembly 4 and the main body 51 of the isolator 5 , the shield 10 is fixedly connected to the main body 51 of the isolator 5 .
  • the spacer 5 further includes at least two raised posts 53 , and along the axial direction of the spacer 5 , the raised posts 53 are protruded from the upper end surface of the main body 51 of the spacer 5 ;
  • the shielding member 10 includes at least two through holes 101, and the protruding pillars 53 pass through the through holes 101, and the shielding member 10 and the spacer member 5 can be fixedly connected by heat riveting the part of the protruding pillars 53 protruding from the through holes 101; of course,
  • the shielding element 10 can also be used as an insert to form the insulating element 5 by injection molding, that is, the shielding element 10 is connected to the insulating element 5 by injection molding.
  • the electronic oil pump 100 a further includes a conductive member 9 , which passes through the main body portion 51 of the spacer 5 , the conductive member 9 includes a first portion 911 and an upper portion 925 , and the first portion 911 is assembled with the electronic control board 6 is electrically connected to the reference ground layer.
  • the upper part 925 of the conductive member 9 is arranged in contact with the shield member 10, and the conductive member 9 is electrically connected to the reference ground layer of the electric control board assembly 6 and the shield member 10; 10 is indirectly electrically connected to the reference ground layer of the electronic control board assembly 6; in this way, first, a low impedance path can be provided for the interference voltage in the stator subassembly 4, which is beneficial to reduce the electromagnetic radiation of the stator assembly 4, thereby helping to reduce the stator assembly 4.
  • the generated electromagnetic radiation interferes with the electronic control board assembly 6 and/or other external devices; secondly, when the surface of the shielding member 10 has static electricity, the static electricity on the surface of the shielding member 10 can be conducted to the reference ground layer of the electronic control board assembly 6 , when the reference ground layer of the electronic control board assembly 6 is grounded externally, for example, the reference ground layer of the electronic control board assembly 6 is electrically connected to the pump casing through a conductive member and then connected to the external ground or the reference ground layer of the electronic control board assembly 6 is connected to the external ground by other means.
  • the static electricity conducted to the reference ground layer of the electronic control board assembly 6 is then conducted to the external grounding place, which is beneficial to reduce the static electricity accumulated on the surface of the shielding member 10, and further helps to reduce the static electricity on the surface of the shielding member 10 to the outside. system and/or the performance of electronic components; thirdly, when the surface of the electronic control board assembly 6 has static electricity, the static electricity on the surface of the electronic control board assembly 6 can be conducted to the shielding member 10 through the conductive member 6, which is beneficial to reduce
  • the static electricity accumulated on the surface of the small electric control board assembly 6 is beneficial to reduce the influence of the static electricity accumulated on the surface of the electric control board assembly 6 on the performance of external systems and/or electronic components.
  • the upper portion 925 of the conductive member 9 is connected to the insulating frame 42 , and the conductive member 9 and the winding 43 are not electrically connected.
  • the top of the upper portion 925 of the conductive member 9 can also be a free end.
  • the upper portion 925 of the conductive member 9 is not connected to the insulating frame 42 or other components.
  • the shielding member 10 includes a base portion 102 and a lead-out portion 103 , the lead-out portion 103 is connected to the peripheral side surface of the base portion 102 , and the lead-out portion 103 is convex.
  • the base portion 102 and the lead-out portion 103 is an integral structure.
  • the base part 102 and the lead-out part 103 can also be separately arranged and fixedly connected. Referring to FIG. 15 and FIG.
  • the lead-out part 103 is arranged in contact with the upper part 925 of the conductive member 9, and the lead-out The part 103 has elasticity, the lead-out part 103 includes an inclined section 1031, the main section of the inclined section 1031 is arranged at an angle with the conductive member 9, and the front end of the inclined section 1031 is arranged in contact with the conductive member 9; Contact reliability.
  • the electronic oil pump 100a further includes a shielding member 10, and the conductive member 9 is electrically connected to the reference ground layer of the electronic control board assembly 6 and the shielding member 10; other in this embodiment
  • the features of the electronic oil pump can be referred to the first embodiment of the electronic oil pump, which will not be repeated here.
  • Fig. 18 is a schematic structural diagram of the third embodiment of the electronic oil pump in the present application; the structure of the third embodiment of the electronic oil pump will be described in detail below.
  • the electronic oil pump 100 b further includes a shielding member 10 , the shielding member 10 is located between the main body 51 of the isolator 5 and the electric control board assembly 6 , and the shielding member 10 is connected to the main body of the isolator 5 .
  • Part 51 is fixedly connected, of course, the shielding member 10 can also be limited to the main part 51 of the spacer 5; specifically, referring to FIG.
  • the raised posts 53 are protruded from the lower end surface of the main body 51 of the isolator 5 ; the shielding member 10 includes at least two through holes, the raised posts 53 pass through the through holes, and extend through the heat riveted raised posts 53 The part exiting the through hole enables the shielding member 10 to be fixedly connected with the isolator 5 ; of course, the shielding member 10 can also be used as an insert to form the isolator by injection molding, that is, the shielding member 10 and the isolator 5 are connected by injection molding.
  • the shielding member 10 is located between the main body 51 of the isolator 5 and the electronic control board assembly 6; The second implementation manner will not be repeated here.
  • FIG. 20 is a schematic structural diagram of the fourth embodiment of the electronic oil pump in the present application; the structure of the fourth embodiment of the electronic oil pump will be described in detail below.
  • the electronic oil pump 100c includes a conductive member 9, and the conductive member 9 is electrically connected to the reference ground layer of the electronic control board assembly 6 and the first casing 7, and the first casing 7 can conduct electricity; specifically , the conductive member 9 includes a first part 911 and a second part 912, the first part 911 is electrically connected to the reference ground layer of the electric control board assembly 6, the second part 912 is in contact with the inner wall of the first housing 7, and the electric control board assembly
  • the reference ground layer 64 conducts electrical conduction with the first housing 7 through the conductive member 9;
  • the electronic oil pump 100c further includes a shielding member 10, the shielding member 10 is located between the main body portion 51 of the isolator 5 and the stator assembly 4, and the shielding member 10 and the isolator 5.
  • the shielding member 10 is in contact with the conductive member 9. Since part of the conductive member 9 is electrically connected to the reference ground layer of the electronic control board assembly 6, another part of the conductive member 9 is in contact with the first housing 7, so that the shielding member 10 is in contact with the first shell 7.
  • both the first housing 7 and the shield 10 are indirectly electrically connected to the reference ground layer of the electronic control board assembly 6, so that firstly, the sub-assembly can be given 4 and the interference voltage in the electronic control board assembly 6 provide a low impedance path, which in turn is beneficial to reduce the electromagnetic radiation of the stator assembly 4 and the electronic control board assembly 6, thereby helping to reduce the electromagnetic radiation generated by the stator assembly 4 and the electronic control board assembly 6.
  • the reference ground layer of the board assembly 6 when the reference ground layer of the electronic control board assembly 6 is grounded to the outside, the static electricity conducted to the reference ground layer of the electronic control board assembly 6 is then conducted to the external ground, which is beneficial to reduce the size of the first housing.
  • the static electricity on the surface of the electric control board assembly 6 can be conducted to the first housing 7 and the shielding member 10 through the conductive member 6, which is beneficial to reduce the static electricity accumulated on the surface of the electric control board assembly 6, thereby reducing the cost of the electric control board assembly 6.
  • stator iron core 41 8 is in contact with the first casing 7, and the pump cover 1 is in contact with the first casing 7, so that on the one hand, the stator iron core 41 and the second casing 8 are electrically connected to the reference ground of the electronic control board assembly, so that the stator iron core 41.
  • the electrostatic waves on the surface of the second casing 8 and the pump cover 1 can be conducted to the reference ground layer of the electronic control board assembly 6, and the static electricity conducted to the reference ground layer of the electronic control board assembly 6 is then conducted to the external ground, which is beneficial to reduce The influence of static electricity on the electronic control board assembly 6 and/or other external devices; on the other hand, the grounding area of the electronic oil pump can be increased, which can provide a low impedance path for the interference voltage in the electronic control board assembly 6 and the stator assembly 4, Therefore, it is beneficial to reduce the electromagnetic radiation of the electronic control board assembly 6 and the stator assembly 4, and further It is beneficial to reduce the interference of the electromagnetic radiation of the electronic control board assembly 6 and the stator assembly 4 to electronic components and/or other external devices;
  • the material of the first casing 7 may be metal
  • the materials of the pump cover 1 and the second casing 8 may be non-metal. Referring to FIG. 1 , in this embodiment, one end of the conductive member 9 is in contact with the first housing 7 .
  • the electronic oil pump 100c further includes a shielding member 10, and the shielding member 10 is in contact with the conductive member 9;
  • the conductive member in this embodiment can refer to the first implementation of the electronic oil pump.
  • the shield member in this embodiment may refer to the shield member in the second embodiment of the electronic oil pump, which will not be repeated here.
  • FIG. 22 is a schematic structural diagram of the fifth embodiment of the electronic oil pump in the present application; the structure of the fifth embodiment of the electronic oil pump will be described in detail below.
  • the electronic oil pump 100d includes a conductive member 9, which is electrically connected to the reference ground layer of the electronic control board assembly 6 and the first casing 7, and the first casing 7 can conduct electricity; 9 includes a first part 911 and a second part 912, the first part 911 is electrically connected to the reference ground of the electric control board assembly 6, the second part 912 is in contact with the inner wall of the first housing 7, the reference of the electric control board assembly 64 The ground layer conducts electricity with the first housing 7 through the conductive member 9; the electronic oil pump 100c further includes a shielding member 10, the shielding member 10 is located between the main body 51 of the isolator 5 and the electric control board assembly 6, and the shielding member 10 and the isolator 5 Fixed connection, the shielding member 10 is in contact with the conductive member 9.
  • the conductive member 9 Since part of the conductive member 9 is electrically connected to the reference ground layer of the electronic control board assembly 6, the other part of the conductive member 9 is in contact with the first housing 7, so that the shielding member 10 is also in contact with the first shell 7. It can be indirectly electrically connected to the reference ground of the electronic control board assembly 6; through the above method, firstly, a low-impedance path can be provided for the interference voltage in the stator assembly 4 and the electronic control board assembly 6, which is beneficial to reduce the stator assembly 4 and the interference voltage.
  • the electromagnetic radiation of the electronic control board assembly 6 is beneficial to reduce the interference of the electromagnetic radiation generated by the stator assembly 4 and the electronic control board assembly 6 to electronic components and/or other external devices; secondly, when the first housing 7 and the When the surface of the shielding member 10 has static electricity, the static electricity on the surface of the first casing 7 and the shielding member 10 can be conducted to the reference ground layer of the electronic control board assembly 6. The static electricity of the reference ground layer of the control board assembly 6 is then conducted to the external ground, which is beneficial to reduce the static electricity accumulated on the surface of the first casing 7 and the shielding member 10, which is beneficial to reduce the first casing 7 and the shielding member. 10.
  • the static electricity on the surface affects the performance of external systems and/or electronic components; thirdly, when the surface of the electronic control board assembly 6 has static electricity, the static electricity on the surface of the electronic control board assembly 6 can be conducted to the first through the conductive member 6.
  • the housing 7 and the shielding member 10 are beneficial to reduce the static electricity accumulated on the surface of the electronic control board assembly 6, and further help to reduce the performance of external systems and/or electronic components caused by the static electricity accumulated on the surface of the electronic control board assembly 6 cause an impact.
  • the electronic oil pump 100d further includes a shielding member 10, and the shielding member 10 is in contact with the conductive member 9; in this embodiment, the conductive member can refer to the first implementation of the electronic oil pump.
  • the shield member in this embodiment can refer to the shield member in the third embodiment of the electronic oil pump, which will not be repeated here.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

一种电子油泵，包括定子组件和电控板组件，定子组件与电控板组件电连接；电控板组件包括电子元器件；电子油泵还包括泵壳体和导电件，泵壳体能够导电，导电件电连接电控板组件的参考地层与泵壳体；这样有利于减少电控板组件的电磁辐射，进而有利于减少电控板组件的电磁辐射对电子元器件和/或外部其他器件的干扰。

Description

电子油泵
本申请要求申请日为2020年09月15日、申请号为202010970515.X、发明名称为“电子油泵”，以及于2020年09月29日提交中国专利局、申请日为2020年09月15日、申请号为202011057359.4、发明名称为“电子油泵”的两件中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及一种车辆领域，尤其涉及车辆润滑系统和/或冷却系统的零部件。
背景技术
电子油泵主要为车辆的润滑系统和/或冷却系统提供动力源；电子油泵包括电控板组件，电控板组件包括电子元器件；电子油泵在使用过程中，电控板组件可能会产生电磁辐射，这些电磁辐射可能会对电子元器件和/或外部其他器件造成干扰，进而影响电子元器件和/或外部其他器件的性能或使用。
发明内容
本申请的目的在于提供一种电子油泵，有利于减少电控板组件的电磁辐射，进而有利于减少电控板组件的电磁辐射对电子元器件和/或外部其他器件的干扰。
为实现上述目的，本申请的一种实施方式采用如下技术方案：
一种电子油泵，包括定子组件和电控板组件，所述定子组件与所述电 控板组件电连接，所述电控板组件包括电子元器件；所述电子油泵还包括泵壳体和导电件，所述泵壳体能够导电，所述导电件电连接所述电控板组件的参考地层与所述泵壳体。
通过上述方式，由于导电件电连接电控板组件的参考地层与泵壳体，这样能够给电控板组件中的干扰电压提供低阻抗通路，从而有利于减少电控板组件的电磁辐射，进而有利于减少电控板组件的电磁辐射对电子元器件和/或外部其他器件的干扰。
附图说明
图1是本申请电子油泵的第一种实施方式的一个剖面结构示意图；
图2是图1中电子油泵去除泵盖后的一个正视结构示意图；
图3是图1中隔离件与导电件组装在一起的一个立体结构示意图；
图4是图3中隔离件与导电件组装在一起的一个正视结构示意图；
图5是图4中沿着A-A方向剖面的一个剖面结构示意图；
图6是图1中电控板组件与导电件组装在一起的一个立体结构示意图；
图7是图6中电控板组件与导电件组装在一起的一个正视结构示意图；
图8是图67中沿着A-A方向剖面的一个剖面结构示意图；
图9是图1中导电件的一个立体结构示意图；
图10a是图9中第一导电部的一个立体结构示意图；
图10b是左边的图中第一导电部的A部的一个放大结构示意图；
图11是图9中第二导电部的一个立体结构示意图；
图12是本申请电子油泵的第二种实施方式的一个剖面结构示意图；
图13是图12中隔离件、导电件以及屏蔽件组装在一起的一个立体结构示意图；
图14是图13中隔离件、导电件以及屏蔽件组装在一起的一个正视结构示意图；
图15是图14中沿着A-A方向剖面的一个剖面结构示意图；
图16是图12中屏蔽件的一个立体结构示意图；
图17是图12中导电件的一个立体结构示意图；
图18是本申请电子油泵的第三种实施方式的一个剖面结构示意图；
图19是图18中隔离件、导电件以及屏蔽件组装在一起的一个立体结构示意图；
图20是本申请电子油泵的第四种实施方式的一个剖面结构示意图；
图21是图20中隔离件、导电件以及屏蔽件组装在一起的一个立体结构示意图；
图22是本申请电子油泵的第五种实施方式的一个剖面结构示意图。
具体实施方式
下面结合附图和具体实施例对本申请作进一步说明：
以下实施例中的电子油泵主要能够为车辆润滑系统和/或冷却系统的 工作介质提供流动的动力，具体能够为车辆传动系统中的润滑系统和/或冷却系统的工作介质提供流动的动力。
参见图1，电子油泵100包括泵壳体、第一转子组件2、定子组件4、第二转子组件3以及电控板组件6；泵壳体能够形成泵内腔，第一转子组件2、定子组件4、第二转子组件3以及电控板组件6置于泵内腔，本实施例中，泵内腔包括第一腔70、第二腔80以及第三腔90，第一腔70、第二腔80、第三腔90沿高度方向依次分布，第一转子组件2设置于第一腔70，定子组件4、第二转子组件3设置于第二腔80，电控板组件6设置于第三腔90，第一腔70和第二腔80连通，第二腔80与第三腔90不连通；定子组件4包括定子铁芯41、绝缘架42以及绕组43，绝缘架42至少包覆于定子铁芯41的至少部分表面，绕组43缠绕于绝缘架42；电子油泵100工作时，电控板组件6通过控制通过定子组件4的绕组43中的电流按照预定的规律变化，从而控制定子组件4产生变化的激励磁场，第二转子组件3在激励磁场的作用下转动，第二转子组件3能够直接或间接地带动第一转子组件2转动，第一转子组件2转动时，第一转子组件2之间的液压腔的容积发生变化，使得工作介质被压出至出流口从而产生流动的动力；本实施例中，第一腔70内的至少部分工作介质能够流入第二腔80，由于定子组件4设置于第二腔80，这样位于第二腔80内的工作介质能够冷却定子组件4，从而有利于定子组件4的散热。
参见图1，本实施例中，泵壳体包括泵盖1、第一壳体7和第二壳体8，泵盖1与第一壳体7、第一壳体7与第二壳体8相对固定连接；具体地， 本实施例中，泵盖1与第一壳体7通过螺钉或螺栓连接，这样设置使电子油泵的拆装更加方便，从而有利于电子油泵的第一转子组件2的维修，当然泵盖1与第一壳体7也可以通过其他的方式连接，譬如插接、卡接等方式；第一壳体7与第二壳体8固定连接，具体地，第一壳体7与第二壳体8通过螺钉或螺栓连接，这样设置一方面使电子油泵的拆装更加方便，本实施例中，由于电控板组件6设置于第一壳体7和第二壳体8之间的空腔内，这样还有利于电子油泵中电控板组件的维修，另一方面还可以使第一壳体7与第二壳体8的连接更可靠，当然第一壳体7与第二壳体8也可以通过插接、卡接或等其他的连接方式。
参见图1和图2，第一转子组件2包括第一转子21和第二转子22，第一转子21包括多个内齿，第二转子22包括多个外齿，第一转子21的内齿和第二转子22的外齿之间形成有液压腔801，本实施例中，液压腔也是第一腔70的一部分，本实施例中，第一转子21套设于第二转子22的外周。再参见图1，电子油泵还包括进流口11和出流口(未示出)，工作介质能够通过进流口11进入液压腔801，工作介质能够通过出流口(未示出)离开液压腔801；由于第一转子21与第二转子22之间存在一定的偏心距，第二转子22在转动时，第二转子22的部分外齿与第一转子21的部分内齿啮合，从而带动第一转子21转动，在第一转子21和第二转子22旋转一圈的过程中，液压腔801内容积发生变化，具体地，当第一转子组件2从起始处转动到某一角度时，液压腔801内的容积逐渐增大从而形成局部真空，工作介质就从进流口11被吸入至液压腔801，当第一转子21和第二转子22继续转动时，原来充满工作介质的液压腔801容积逐渐减小，工作介质受到 挤压，从而使得进入液压腔801内的工作介质被压出至出流口(未示出)从而产生流动的动力；本实施例中，电子油泵100还包括泵轴15，泵轴15能够带动部分第一转子组件2转动，具体地，本实施例中，泵轴15能够带动第二转子22转动，本实施例中，泵轴15与第二转子22连接，泵轴15与第二转子组件3连接，第二转子组件3通过泵轴15带动第二转子22转动，从而实现第一转子组件2的转动。
参见图1，图1为本申请中电子油泵的第一种实施方式的结构示意图；以下将对电子油泵的第一种实施方式的结构进行详细介绍。
参见图1，电子油泵100还包括导电件9，导电件9电连接电控板组件6的参考地层与第一壳体7，第一壳体7能够导电；至少部分导电件9位于第一壳体7的内腔，第一壳体7的材料为金属材料，第一壳体7部分环绕定子组件4的外周，定子组件4位于第一壳体7的内腔，这样当定子组件4的绕组43向外辐射电磁波时或者当外部系统向第一壳体7辐射电磁波时，一方面能够通过第一壳体7自身来吸收和反射绕组43辐射出的电磁波，这样有利于防止绕组43辐射出的电磁波对外部系统造成影响，另一方面，能够通过第一壳体7自身来吸收和反射外部系统辐射出的电磁波，这样有利于防止外部系统辐射出的电磁波对电子油泵的性能造成影响；具体地，参见图1，导电件9包括第一部911和第二部921，第一部911与电控板组件6的参考地层电连接，第二部921与第一壳体7的内壁抵接，电控板组件6的参考地层通过导电件9与第一壳体7电传导；通过上述方式，由于第一壳体7与电控板组件6的参考地层电连接，这样第一，能够给电控板组件6中的干扰电压提供低阻抗通路，从而有利于减少电控板组件6的电 磁辐射，进而有利于减少电控板组件6的电磁辐射对电子元器件和/或外部其他器件的干扰；第二，当第一壳体7表面具有静电时，能够通过导电件9将第一壳体7表面的静电传导至电控板组件6的参考地层，当电控板组件6的参考地层与外部接地时，电控板组件6的参考地层的静电再向外部的接地处传导，这样有利于减小第一壳体7表面所积聚的静电，进而有利于减小第一壳体7表面所积聚的静电对外部系统和/或电控板组件6的性能造成影响，第三，当电控板组件6表面具有静电时，能够通过导电件6将电控板组件6表面的静电传导至第一壳体7，这样有利于减小电控板组件6表面所积聚的静电，进而有利于减小电控板组件6表面所积聚的静电对外部系统和/或电子元器件的性能造成影响；另外，本实施例中，泵盖1、第一壳体7和第二壳体8的材料为金属，定子铁芯41与第一壳体7接触，第二壳体8与第一壳体7接触，泵盖1与第一壳体7接触，这样使得定子铁芯41、第二壳体8均与电控板组件6的参考地层电连接，这样一方面定子铁芯41、第二壳体8以及泵盖1表面的静电能够传导至电控板组件6的参考地层，传导至电控板组件6的参考地层静电再向外部的接地处传导，这样有利于减少静电对电控板组件6和/或外部其他器件的影响；另一方面，能够增大电子油泵的接地面积，这样能够给电控板组件6以及定子组件4中的干扰电压提供低阻抗通路，从而有利于减少电控板组件6和定子组件4的电磁辐射，进而有利于减少电控板组件6和定子组件4的电磁辐射对电子元器件和/或外部其他器件的干扰；本实施例中，泵盖1、第一壳体7和第二壳体8的材料为金属，当然，也可以是第一壳体7的材料为金属，泵盖1和第二壳体8的材料为非金属。参见图1，本实施例中，是通过导 电件9的一端与第一壳体7接触，当然此时导电件9的一端也可以与定子铁芯41或第二壳体8接触。
参见图1和图3，电子油泵100还包括隔离件5，至少部分隔离件5设置于定子组件4和电控板组件6之间，第二腔80位于隔离件5的主体部51的一侧，第三腔90位于隔离件5的主体部51的另一侧；本实施例中，部分导电件9与隔离件5的主体部51固定连接，沿着平行于电子油泵100的高度轴向方向，部分导电件9穿过隔离件5的主体部51，具体地，本实施例中，以部分导电件9为嵌件，经注塑成形隔离件5，也就是说，部分导电件9与隔离件5通过注塑固定连接，穿过隔离件5的导电件9与隔离件5之间的连接处密封设置；具体地，参见图3至图5，隔离件5包括第一凸起部52，第一凸起部52自隔离件5的主体部51的上表面凸起设置，部分导电件9穿过第一凸起部52；第一凸起部52包括凹槽521，凹槽521自第一凸起部52的上表面凹陷设置，凹槽521未贯穿隔离件5主体部51的下表面，穿过隔离件5的主体部51的导电件9穿过凹槽521，位于凹槽521内的导电件9的外周与凹槽521的内壁之间具有空隙，空隙内填充有密封胶；这样有利于防止第二腔80内的工作介质通过导电件9与隔离件5之间的连接处泄露至第三腔90，从而有利于防止对位于第三腔90内的电控板组件6的性能造成影响。
参见图6至图8，电控板组件6包括基板61，基板61包括第一表面615和第二表面616，第一表面615比第二表面616更靠近定子组件4；基板61包括通孔611，沿着平行于基板61的厚度方向，通孔611贯穿设置，导电件9的第一部911伸入通孔611并与通孔611紧配；本实施例中，通 过在基板61上设置通孔611使得导电件9的第一部911与基板61连接，当然，也可以通过在电控板组件6上设置抵接部，抵接部位于第一表面615，抵接部与电控板组件6的参考地层电连接，第一部911与抵接部接触设置并与抵接部电连接，这里的“抵接部”可以是一个单独的导电零部件，再与基板61固定连接，也可以是导电层，其中导电层可以为镀锡层、化学镀镍和浸金等处理。
参见图9至图10，本实施例中，导电件9至少部分具有弹性，具有弹性的导电件9包括倾斜部922，倾斜部922的前端与第二部921连接或者第二部921位于倾斜部922的前端，倾斜部922与第二部921一体设置；结合参见图1，倾斜部922与第一壳体7的内壁呈角度设置，第一壳体7对倾斜部922产生作用力，这样有利于提高第二部921与第一壳体7接触的可靠性。
具体地，参见图9至图11，导电件9包括第一导电部91和第二导电部92，本实施例中，第一导电部91和第二导电部92分体设置，这里的“分体设置”是指第一导电部91和第二导电部92分别加工，然后再进行组装，当然，第一导电部91和第二导电部92也可以是一体结构，这里的“一体结构”是指第一导电部91和第二导电部92加工成一个整体；参见图9至图11，本实施例中，第一部911成形于第一导电部91，第二部921和倾斜部922成形于第二导电部92，第二导电部92具有弹性，第一导电部91与第二导电部92接触设置并连接；结合参见图1、图9至图11，本实施例中，第一导电部91的一端与电控板组件6的参考地层电连接，第一导电部91的另一端与绝缘架42连接，第一导电部91与图1中的绕组43为非电连接。
参见图9至图11，本实施例中，第二导电部92还包括本体部923和限位部924，第一导电部91有部分与本体部923接触设置，限位部924的一端与本体部923的第一侧面9231连接，限位部924的另一端与本体部923的第二侧面9232连接，倾斜部922与本体部923的上端连接，本实施例中，倾斜部922与本体部923的上端通过弧部连接，第二部921位于本体部923的一侧，部分限位部924位于本体部923的另一侧；限位部924具有容纳腔9240，第一导电部91穿过容纳腔9240，结合参见图9，第一导电部91穿过限位部924，第一导电部91的一端位于限位部924的一侧，第二导电部92的另一端位于限位部924的另一侧；参见图9至图11，第一导电部91包括第一限位面912，第二导电部92的限位部924的下端面9241位于第一限位面912的上方，或者限位部924的下端面9241与第一限位面912抵接，这样能够防止第二限位部924沿着第一导电部91的长度方向向下滑落。
参见图10，本实施例中，第一导电部91还包括配合面913和第二限位面914，第一限位面912的一端与配合面913的一端连接，第二限位面914的一端与配合面913的另一端连接，结合参见图9至图11，在第一导电部91的侧面形成一缺口，缺口的壁由下至上分别形成上述的第一限位面912、配合面913、第二限位面914，其中，至少部分配合面913位于限位部924的容纳腔9240内，第一限位面912位于限位部924的一侧，第二限位面914位于限位部924的另一侧，这样能够防止第二限位部924沿着第一导电部91的长度方向上下滑动；参见图10，第一导电部91还包括斜面915，斜面915的一端与第二限位面914的另一端连接，沿着第一导电部 91的长度方向，斜面915位于配合面913的上方，参见图11，限位部924还包括第一子部9242和第二子部9243，第一子部9242的第一端与本体部923的第一侧面9231连接，第一子部9242的第二端9244为自由端，第二子部9243的第一端与本体部923的第二侧面9232连接，第二子部9243的第二端9245为自由端，第一子部9242的第二端9244与第二子部9243的第二端8245具有设定距离，结合参见图9至图11，这样当将第二导电部92的限位部924从第一导电部91的上端穿入时，当限位部924的容纳腔9240所对应的侧壁与第一导电部91的斜面915接触时，第一子部9242和第二子部9243能够发生弹性变形，从而使得配合面913能够位于限位部924的容纳腔9240，进而实现第二导电部92与第一导电部91之间的限位连接；本实施例中，第二导电部92与第一导电部91限位连接后，通过焊接使得第二导电部92与第一导电部91固定设置。
参见图12，图12为本申请中电子油泵的第二种实施方式的结构示意图；以下将对电子油泵的第二种实施方式的结构进行详细介绍。
参见图12，本实施例中，电子油泵100a还包括屏蔽件10，定子组件4、屏蔽件10以及电控板组件6沿着电子油泵的高度方向轴向分布，至少部分屏蔽件10位于定子组件4和电控板组件6之间；屏蔽件10的材料为导电的金属材料，至少部分屏蔽件10遮盖绕组43的至少部分；通过上述方式，使得屏蔽件10能够吸收和反射至少部分绕组43朝电控板组件6辐射的电磁波，从而有利于减小绕组43所产生的电磁波对电控板组件6的干扰。
参见图12和图13，本实施例中，屏蔽件10与隔离件5固定连接，当 然，屏蔽件10与隔离件5也可以是限位设置；具体地，本实施例中，屏蔽件10位于定子组件4和隔离件5的主体部51之间，屏蔽件10与隔离件5的主体部51固定连接，当然，屏蔽件10也可以与隔离件5的主体部51限位设置。
具体地，参见图13至图16，隔离件5还包括至少两个凸起柱53，沿着隔离件5的轴向，凸起柱53自隔离件5主体部51的上端面凸起设置；屏蔽件10包括至少两个通孔101，凸起柱53穿过通孔101，通过热铆凸起柱53中伸出通孔101的部分使得屏蔽件10与隔离件5能够固定连接；当然，也可以以屏蔽件10为嵌件经注塑形成隔离件5，也就是说，屏蔽件10与隔离件5注塑连接。
参见图12至图17，电子油泵100a还包括导电件9，导电件9穿过隔离件5的主体部51，导电件9包括第一部911和上部925，第一部911与电控板组件6的参考地层电连接，本实施例中，导电件9的上部925与屏蔽件10接触设置，导电件9电连接电控板组件6的参考地层和屏蔽件10；通过上述方式，使得屏蔽件10与电控板组件6的参考地层间接电连接；这样第一，能够给定子组件4中的干扰电压提供低阻抗通路，进而有利于减少定子组件4的电磁辐射，从而有利于减少定子组件4所产生的电磁辐射对电控板组件6和/或外部其他器件的干扰；第二，当屏蔽件10表面具有静电时，能够将屏蔽件10表面的静电传导至电控板组件6的参考地层，当电控板组件6的参考地层与外部接地时，如电控板组件6的参考地层通过导电件与泵壳体电连接进而与外部接地或者电控板组件6的参考地层通过其他方式与外部接地，传导至电控板组件6的参考地层的静电再向外部的 接地处传导，这样有利于减小屏蔽件10表面所积聚的静电，进而有利于减小屏蔽件10表面的静电对外部系统和/或电子元器件的性能造成影响；第三，当电控板组件6表面具有静电时，能够通过导电件6将电控板组件6表面的静电传导至屏蔽件10，这样有利于减小电控板组件6表面所积聚的静电，进而有利于减小电控板组件6表面所积聚的静电对外部系统和/或电子元器件的性能造成影响。
参见图12，本实施例中，导电件9的上部925与绝缘架42连接，导电件9与绕组43为非电连接，当然，导电件9的上部925的顶端也可以为自由端，此时导电件9的上部925不与绝缘架42或其他部件连接。
参见图16，屏蔽件10包括基体部102和引出部103，引出部103与基体部102的周侧面连接，引出部103呈凸起状，具体地，本实施例中，基体部102和引出部103为一体结构，当然，基体部102和引出部103也可以是分体设置并固定连接，参见图15和图16，本实施例中，引出部103与导电件9的上部925接触设置，引出部103具有弹性，引出部103包括倾斜段1031，倾斜段1031的主体段与导电件9呈角度设置，倾斜段1031的前端与导电件9接触设置；这样有利于提高引出部103与导电件9接触的可靠性。
与电子油泵的第一种实施方式相比，本实施方式中，电子油泵100a还包括屏蔽件10，导电件9电连接电控板组件6的参考地层和屏蔽件10；本实施方式中的其他的特征可参考电子油泵的第一种实施方式，在此就不一一赘述了。
参见图18，图18为本申请中电子油泵的第三种实施方式的结构示意 图；以下将对电子油泵的第三种实施方式的结构进行详细介绍。
参见图18和图19，本实施例中，电子油泵100b还包括屏蔽件10，屏蔽件10位于隔离件5的主体部51和电控板组件6之间，屏蔽件10与隔离件5的主体部51固定连接，当然，屏蔽件10也可以与隔离件5的主体部51限位设置；具体地，参见图19，隔离件5还包括至少两个凸起柱53，沿着隔离件5的轴向，凸起柱53自隔离件5的主体部51的下端面凸起设置；屏蔽件10包括至少两个通孔，凸起柱53穿过通孔，通过热铆凸起柱53中伸出通孔的部分使得屏蔽件10与隔离件5能够固定连接；当然，也可以以屏蔽件10为嵌件经注塑形成隔离件，也就是说，屏蔽件10与隔离件5注塑连接。
与电子油泵的第二种实施方式相比，本实施方式中，屏蔽件10位于隔离件5的主体部51和电控板组件6之间；本实施方式中的其他的特征可参考电子油泵的第二种实施方式，在此就不一一赘述了。
参见图20，图20为本申请中电子油泵的第四种实施方式的结构示意图；以下将对电子油泵的第四种实施方式的结构进行详细介绍。
参见图20和图21，本实施例中，电子油泵100c包括导电件9，导电件9电连接电控板组件6的参考地层与第一壳体7，第一壳体7能够导电；具体地，导电件9包括第一部911和第二部912，第一部911与电控板组件6的参考地层电连接，第二部912与第一壳体7的内壁抵接，电控板组件64的参考地层通过导电件9与第一壳体7电传导；电子油泵100c还包括屏蔽件10，屏蔽件10位于隔离件5的主体部51和定子组件4之间，屏蔽件10与隔离件5固定连接，屏蔽件10与导电件9接触，由于导电件9有部分与 电控板组件6的参考地层电连接，导电件9有另外部分与第一壳体7接触，这样使得屏蔽件10也能够间接与电控板组件6的参考地层电连接；通过上述方式使得第一壳体7和屏蔽件10均间接与电控板组件6的参考地层电连接，这样第一，能够给定子组件4和电控板组件6中的干扰电压提供低阻抗通路，进而有利于减少定子组件4和电控板组件6的电磁辐射，从而有利于减少定子组件4和电控板组件6所产生的电磁辐射对电子元器件和/或外部其他器件的干扰；第二，当第一壳体7和屏蔽件10表面具有静电时，能够将第一壳体7和屏蔽件10表面的静电传导至电控板组件6的参考地层，当电控板组件6的参考地层与外部接地时，传导至电控板组件6的参考地层的静电再向外部的接地处传导，这样有利于减小第一壳体7和屏蔽件10表面所积聚的静电，进而有利于减小第一壳体7和屏蔽件10表面的静电对外部系统和/或电子元器件的性能造成影响；第三，当电控板组件6表面具有静电时，能够通过导电件6将电控板组件6表面的静电传导至第一壳体7和屏蔽件10，这样有利于减小电控板组件6表面所积聚的静电，进而有利于减小电控板组件6表面所积聚的静电对外部系统和/或电子元器件的性能造成影响；另外，本实施例中，定子铁芯41与第一壳体7接触，第二壳体8与第一壳体7接触，泵盖1与第一壳体7接触，这样一方面使得定子铁芯41、第二壳体8均与电控板组件的参考地层电连接，这样定子铁芯41、第二壳体8以及泵盖1表面的静电波能够传导至电控板组件6的参考地层，传导至电控板组件6的参考地层静电再向外部的接地处传导，这样有利于减少静电对电控板组件6和/或外部其他器件的影响；另一方面，能够增大电子油泵的接地面积，这样能够给电控板组件6以及定子组件4 中的干扰电压提供低阻抗通路，从而有利于减少电控板组件6和定子组件4的电磁辐射，进而有利于减少电控板组件6和定子组件4的电磁辐射对电子元器件和/或外部其他器件的干扰；本实施例中，泵盖1、第一壳体7和第二壳体8的材料为金属，当然，也可以是第一壳体7的材料为金属，泵盖1和第二壳体8的材料为非金属。参见图1，本实施例中，是通过导电件9的一端与第一壳体7接触，当然此时导电件9的一端也可以与定子铁芯41或第二壳体8接触。
与电子油泵的第一种实施方式相比，本实施方式中，电子油泵100c还包括屏蔽件10，屏蔽件10与导电件9接触；本实施方式中导电件可参考电子油泵的第一种实施方式中的导电件，本实施方式中的屏蔽件可参考电子油泵的第二种实施方式中的屏蔽件，在此就不一一赘述了。
参见图22，图22为本申请中电子油泵的第五种实施方式的结构示意图；以下将对电子油泵的第五种实施方式的结构进行详细介绍。
参见图22，本实施例中，电子油泵100d包括导电件9，导电件9电连接电控板组件6的参考地层与第一壳体7，第一壳体7能够导电；具体地，导电件9包括第一部911和第二部912，第一部911与电控板组件6的参考地层电连接，第二部912与第一壳体7的内壁抵接，电控板组件64的参考地层通过导电件9与第一壳体7电传导；电子油泵100c还包括屏蔽件10，屏蔽件10位于隔离件5的主体部51和电控板组件6之间，屏蔽件10与隔离件5固定连接，屏蔽件10与导电件9接触，由于导电件9有部分与电控板组件6的参考地层电连接，导电件9有另外部分与第一壳体7接触，这样使得屏蔽件10也能够间接与电控板组件6的参考地层电连接；通过上 述方式，这样第一，能够给定子组件4和电控板组件6中的干扰电压提供低阻抗通路，进而有利于减少定子组件4和电控板组件6的电磁辐射，从而有利于减少定子组件4和电控板组件6所产生的电磁辐射对电子元器件和/或外部其他器件的干扰；第二，当第一壳体7和屏蔽件10表面具有静电时，能够将第一壳体7和屏蔽件10表面的静电传导至电控板组件6的参考地层，当电控板组件6的参考地层与外部接地时，传导至电控板组件6的参考地层的静电再向外部的接地处传导，这样有利于减小第一壳体7和屏蔽件10表面所积聚的静电，进而有利于减小第一壳体7和屏蔽件10表面的静电对外部系统和/或电子元器件的性能造成影响；第三，当电控板组件6表面具有静电时，能够通过导电件6将电控板组件6表面的静电传导至第一壳体7和屏蔽件10，这样有利于减小电控板组件6表面所积聚的静电，进而有利于减小电控板组件6表面所积聚的静电对外部系统和/或电子元器件的性能造成影响。
与电子油泵的第一种实施方式相比，本实施方式中，电子油泵100d还包括屏蔽件10，屏蔽件10与导电件9接触；本实施方式中导电件可参考电子油泵的第一种实施方式中的导电件，本实施方式中的屏蔽件可参考电子油泵的第三种实施方式中的屏蔽件，在此就不一一赘述了。
需要说明的是：以上实施例仅用于说明本申请而并非限制本申请所描述的技术方案，尽管本说明书参照上述的实施例对本申请已进行了详细的说明，但是，本领域的普通技术人员应当理解，所属技术领域的技术人员仍然可以对本申请进行修改或者等同替换，而一切不脱离本申请的精神和 范围的技术方案及其改进，均应涵盖在本申请的权利要求范围内。

Claims (15)

  1. 一种电子油泵，包括定子组件和电控板组件，所述定子组件与所述电控板组件电连接；所述电控板组件包括电子元器件；其特征在于：所述电子油泵还包括泵壳体和导电件，所述泵壳体能够导电，所述导电件电连接所述电控板组件的参考地层与所述泵壳体。
  2. 根据权利要求1所述的电子油泵，其特征在于：所述泵壳体包括第一壳体，所述第一壳体至少部分设置于所述定子组件的外周；所述导电件包括第一部和第二部，所述第一部与所述电控板组件的参考地层电连接，所述第二部与所述第一壳体的内壁抵接；所述电控板组件的参考地层通过所述导电件与所述第一壳体电传导。
  3. 根据权利要求2所述的电子油泵，其特征在于：所述电控板组件包括基板，所述基板包括第一面和第二面，所述第一面比所述第二面更靠近所述定子组件；所述电控板组件还包括抵接部，所述抵接部位于所述第一面，所述抵接部与所述电控板组件的参考地层电连接，所述第一部与所述抵接部接触设置并与所述抵接部电连接。
  4. 根据权利要求2所述的电子油泵，其特征在于：所述电控板组件包括基板，所述基板包括第一面和第二面，所述第一面比所述第二面更靠近所述定子组件；所述基板包括通孔，沿着平行于所述基板的厚度方向，所述通孔贯穿设置，所述第一部伸入所述通孔并与所述通孔紧配。
  5. 根据权利要求2至4任一项所述的电子油泵，其特征在于：所述导 电件至少部分具有弹性，具有弹性的所述导电件包括倾斜部，所述倾斜部的前端与所述第二部连接或者所述第二部位于所述倾斜部的前端，所述倾斜部与所述第二部一体设置；所述倾斜部与所述第一壳体的内壁呈角度设置。
  6. 根据权利要求5所述的电子油泵，其特征在于：所述导电件包括第一导电部和第二导电部，所述第一导电部和所述第二导电部分体设置，所述第一导电部与所述第二导电部接触设置并连接；所述第二导电部具有弹性，所述第一部成形于所述第一导电部，所述第二部成形于所述第二导电部。
  7. 根据权利要求6所述的电子油泵，其特征在于：所述第二导电部包括本体部和限位部，所述限位部的一端与所述本体部的一侧面连接，所述限位部的另一端与所述本体部的另一侧面连接，所述倾斜部与所述本体部的上端连接，所述第二部位于所述本体部的一侧，部分所述限位部位于所述本体部的另一侧；所述限位部具有容纳腔，所述第一导电部穿过所述容纳腔，所述第一导电部的第一端位于所述限位部的一侧，所述第二导电部的第二端位于所述限位部的另一侧；所述第一导电部与所述本体部接触设置。
  8. 根据权利要求7所述的电子油泵，其特征在于：所述限位部还包括第一子部和第二子部，所述第一子部的第一端与本体部的第一侧面连接，所述第一子部的第二端为自由端，所述第二子部的第一端与所述本体部的第二侧面连接，所述第二子部的第二端为自由端，所述第一子部的第二端 与所述第二子部的第二端具有设定距离。
  9. 根据权利要求6至8任一项所述的电子油泵，其特征在于：所述定子组件包括定子铁芯、绕组以及绝缘架，所述绝缘架包覆于所述定子铁芯的至少部分表面，所述绕组缠绕于所述绝缘架，所述第一导电部的第一端与所述电控板组件的参考地层电连接，所述第一导电部的第二端与所述绝缘架连接，所述第一导电部与所述绕组为非电连接。
  10. 根据权利要求1至9任一项所述的电子油泵，其特征在于：所述电子油泵还包括隔离件，至少部分所述隔离件位于所述定子组件和所述电控板组件之间；以部分所述导电件为嵌件，经注塑形成所述隔离件；沿着所述隔离件的高度方向，部分所述导电件穿过所述隔离件；穿过所述隔离件的所述导电件与所述隔离件之间的连接处密封设置。
  11. 根据权利要求10所述的电子油泵，其特征在于：所述隔离件包括第一凸起部，所述第一凸起部自隔离件的主体部的上表面凸起设置，所述第一导热件穿过所述第一凸起部；所述第一凸起部包括凹槽，所述凹槽自所述第一凸起部的上表面凹陷设置，所述凹槽未贯穿所述隔离件主体部的下表面，穿过所述隔离件主体部的所述导电件穿过所述凹槽，位于所述凹槽内的所述导电件的外周与所述凹槽的内壁之间填充有密封胶。
  12. 根据权利要求1至11任一项所述的电子油泵，其特征在于：所述电子油泵包括屏蔽件，所述定子组件、至少部分所述屏蔽件以及所述电控板组件沿着所述电子油泵的高度方向分布，至少部分所述屏蔽件位于所述 定子组件和所述电控板组件之间；所述屏蔽件的材料为导电的金属材料，至少部分所述屏蔽件遮盖所述定子组件的绕组的至少部分。
  13. 根据权利要求12所述的电子油泵，其特征在于：所述电子油泵还包括隔离件，至少部分所述隔离件位于所述定子组件和所述电控板组件之间；所述屏蔽件与所述隔离件连接。
  14. 根据权利要求13所述的电子油泵，其特征在于：所述隔离件还包括至少两个凸起柱，沿着所述隔离件的轴向，所述凸起柱自所述主体部的端面凸起设置；所述屏蔽件包括至少两个通孔，所述凸起柱穿过所述通孔，通过热铆所述凸起柱中伸出所述通孔的部分使得所述屏蔽件与所述隔离件固定连接。
  15. 根据权利要求13或14所述的电子油泵，其特征在于：所述电子油泵还包括导电件，所述导电件包括第一部，所述第一部与所述电控板组件的参考地层电连接，所述屏蔽件与所述导电件接触设置，所述导电件电连接所述电控板组件的参考地层和所述屏蔽件。
PCT/CN2021/118180 2020-09-15 2021-09-14 电子油泵 WO2022057785A1 (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US18/026,581 US20230336057A1 (en) 2020-09-15 2021-09-14 Electric oil pump
EP21868608.7A EP4216407A1 (en) 2020-09-15 2021-09-14 Electric oil pump
JP2023516750A JP2023541924A (ja) 2020-09-15 2021-09-14 電子オイルポンプ

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202010970515.X 2020-09-15
CN202011057359.4A CN114189108A (zh) 2020-09-15 2020-09-15 电子油泵
CN202011057359.4 2020-09-15
CN202010970515.XA CN114189106A (zh) 2020-09-15 2020-09-15 电子油泵

Publications (1)

Publication Number Publication Date
WO2022057785A1 true WO2022057785A1 (zh) 2022-03-24

Family

ID=80539267

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/118180 WO2022057785A1 (zh) 2020-09-15 2021-09-14 电子油泵

Country Status (5)

Country Link
US (1) US20230336057A1 (zh)
EP (1) EP4216407A1 (zh)
JP (1) JP2023541924A (zh)
CN (2) CN114189108A (zh)
WO (1) WO2022057785A1 (zh)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014181562A (ja) * 2013-03-18 2014-09-29 Jtekt Corp 電動オイルポンプ装置
US20150102693A1 (en) * 2012-03-01 2015-04-16 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellsch- Aft Würzburg Electric motor
CN105874686A (zh) * 2014-01-03 2016-08-17 卡特燃料系统有限公司 无刷电机的接地装置
CN208967181U (zh) * 2018-08-13 2019-06-11 盾安环境技术有限公司 电子膨胀阀
CN110541818A (zh) * 2018-05-28 2019-12-06 杭州三花研究院有限公司 电子油泵
CN111765289A (zh) * 2019-04-02 2020-10-13 盾安环境技术有限公司 线圈部件及具有其的电子膨胀阀
CN212992147U (zh) * 2020-09-15 2021-04-16 浙江三花汽车零部件有限公司 电子油泵

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150102693A1 (en) * 2012-03-01 2015-04-16 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellsch- Aft Würzburg Electric motor
JP2014181562A (ja) * 2013-03-18 2014-09-29 Jtekt Corp 電動オイルポンプ装置
CN105874686A (zh) * 2014-01-03 2016-08-17 卡特燃料系统有限公司 无刷电机的接地装置
CN110541818A (zh) * 2018-05-28 2019-12-06 杭州三花研究院有限公司 电子油泵
CN208967181U (zh) * 2018-08-13 2019-06-11 盾安环境技术有限公司 电子膨胀阀
CN111765289A (zh) * 2019-04-02 2020-10-13 盾安环境技术有限公司 线圈部件及具有其的电子膨胀阀
CN212992147U (zh) * 2020-09-15 2021-04-16 浙江三花汽车零部件有限公司 电子油泵

Also Published As

Publication number Publication date
EP4216407A1 (en) 2023-07-26
US20230336057A1 (en) 2023-10-19
CN114189108A (zh) 2022-03-15
JP2023541924A (ja) 2023-10-04
CN114189106A (zh) 2022-03-15

Similar Documents

Publication Publication Date Title
CN107407279B (zh) 电动压缩机
EP2683228A2 (en) Electronic component box for vehicle
WO2022057785A1 (zh) 电子油泵
KR101832218B1 (ko) 전동 압축기
CN215300415U (zh) 电子油泵
CN1707698A (zh) 可屏蔽电磁干扰的电子装置
WO2022206790A1 (zh) 电子油泵
JP2021515517A (ja) 電気自動車補助ユニット
CN109474107B (zh) 一种集成式电机系统
WO2021220563A1 (ja) 電力変換装置
CN113517110A (zh) 电动压缩机
CN116054457B (zh) 端盖和定子铁芯的接地结构、电子水泵及新能源汽车
JP2010121449A (ja) インバータ一体型電動圧縮機
EP4215750A1 (en) Electronic oil pump
CN216157835U (zh) 电动泵
KR20170042482A (ko) 전동 압축기
JP2021134769A (ja) 流体ポンプ
WO2024114521A1 (zh) 一种电动泵
KR20210007136A (ko) 모터
CN108678965B (zh) 一种充分散热的屏蔽变频循环泵
CN217307475U (zh) 一种电机驱动器及电机
CN215379674U (zh) 一种用于电路板的散热器
CN211880210U (zh) 一种具有电磁兼容性能的电机组件
JP2008215121A (ja) 燃料ポンプ
JP6659183B2 (ja) 燃料供給装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21868608

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2023516750

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2021868608

Country of ref document: EP

Effective date: 20230417