CN218235462U

CN218235462U - Electronic oil pump assembly for detecting temperature of lubricating oil of gearbox in real time

Info

Publication number: CN218235462U
Application number: CN202222517543.3U
Authority: CN
Inventors: 张磊
Original assignee: Shiteke Fluid Power System Changzhou Co ltd
Current assignee: Dechang Drive Technology Changzhou Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-01-06
Anticipated expiration: 2032-09-22

Abstract

The utility model discloses an electronic oil pump assembly for detecting the temperature of lubricating oil of a gearbox in real time, which comprises an electric machine body and an oil pump cover, wherein a temperature sensor and a wire harness are arranged inside the electric machine body, and the oil pump cover is arranged on the front side of the electric machine body; a motor stator assembly is arranged in the motor body, and a rotor assembly is assembled and arranged on the inner side of the motor stator assembly; the back mounted of motor body has the controller assembly, the utility model discloses an install temperature sensor and pencil, the temperature of the inside lubricating oil liquid of gearbox can be monitored in real time to this novel electronic pump, arranges the oil temperature sensor in the gearbox inside scheme before and compares the design degree of difficulty of greatly reduced gearbox, and this scheme can greatly reduced gearbox oil temperature sensor arrange with the pencil of whole car TCU, reduces design and into the production cost.

Description

Electronic oil pump assembly for detecting temperature of lubricating oil of gearbox in real time

Technical Field

The utility model relates to a gearbox electron oil pump technical field specifically is an electron oil pump assembly of real-time detection gearbox lubricating oil temperature.

Background

The gearbox is comparatively heavy constitution mechanism in the new forms of energy electric motor car of modernization, copper line in the automobile drive motor stator can be because continuously through the heavy current and send a large amount of heats, stator takes place to damage in leading to the fact driving motor stator high temperature, so need fluid in the gearbox to cool down the cooling to the stator in the driving motor, only driving motor stator part design has temperature sensor in the three-in-one system of present electricity drive, this temperature sensor can real-time supervision driving motor stator temperature, when motor stator temperature reaches the needs cooling point, whole car TCU can give the output of electronic oil pump controller and correspond the rotational speed instruction this moment.

The gearbox electronic oil pump assembly in the prior art has the following defects:

1. patent document CN215300415U discloses an electronic oil pump, which includes "a stator assembly and an electronic control board assembly, the stator assembly is electrically connected with the electronic control board assembly, the stator assembly includes a stator core and a winding, and the stator core can provide support for winding the winding; the electronic oil pump comprises a shielding piece, the stator assembly, at least part of the shielding piece and the electronic control board assembly are distributed along the axial direction of the electronic oil pump, and at least part of the shielding piece is positioned between the stator assembly and the electronic control board assembly; the material of the shielding piece is a conductive metal material, and at least part of the shielding piece covers at least part of the winding; in conclusion, a new scheme is provided for solving the problem that when the device is used, the oil temperature detected by the arranged oil temperature sensor and the oil temperature difference value error of the position of the oil suction port of the motor pump are larger and the oil temperature sensor is arranged at the position of the oil suction port of the electronic pump, so that the design difficulty of the oil suction port of the electronic pump is greatly increased, and the wiring harness of the oil temperature sensor is not easy to connect and arrange with the TCU of the whole vehicle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic oil pump assembly of real-time detection gearbox lubricating oil temperature to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an electronic oil pump assembly for detecting the temperature of lubricating oil of a gearbox in real time comprises an electric motor body and an oil pump cover, wherein a temperature sensor and a wiring harness are installed inside the electric motor body, the temperature sensor and the wiring harness are connected with a controller board, and the oil pump cover is installed on the front side of the electric motor body;

a motor stator assembly is arranged in the motor body, and a rotor assembly is assembled and arranged on the inner side of the motor stator assembly;

the back of the motor body is provided with a controller assembly.

Preferably, two sets of installation edges are installed in the outside of motor body, and the inboard of installation edge is run through and has been seted up the mounting hole, and the inner seal circle is installed in the inboard embedding of motor body back, and the outer seal circle is installed in the outside embedding at motor body middle part, and inside meshing gear train is installed in the inside front embedding of motor body, and inside meshing gear train is located the back of oil pump cover, and the opening has been seted up to the inboard of motor body.

Preferably, the oil inlet has been seted up in the front of oil pump cover, and the oil inlet water conservancy diversion has been seted up at the back of oil pump cover, and the oil discharge chamber has been seted up at the back of oil pump cover, and the oil-out has been seted up to the inside in oil discharge chamber, and the bolt hole has been seted up in the inside run through in the oil pump cover outside, and the oil absorption mouth sealing washer is installed in the outside embedding of oil pump cover, and the back of oil pump cover runs through and has seted up the dead eye.

Preferably, the mounting sealing ring is embedded in the outer side of the motor stator assembly, the controller board is mounted at the top of the motor stator assembly, and the controller board is located inside the motor body.

Preferably, the motor rotor core assembly and the permanent magnet are installed inside the rotor assembly, an inner rotating shaft penetrates through the motor rotor core assembly and the permanent magnet, and the top and the bottom of the inner rotating shaft are provided with combined grooves.

Preferably, the back of the controller cover assembly is provided with a plurality of groups of assembling bolts in an embedded manner, the back of the controller cover assembly is provided with an electronic pump plug connector, and the back of the electronic pump plug connector is provided with a plurality of groups of electronic pump plug connector communication interfaces in an embedded manner.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an install temperature sensor and pencil, arrange the temperature sensor probe in the electronic pump motor body, it communicates with each other with the electronic pump oil suction chamber body and the electronic pump suction opening respectively to design two through-holes on this motor body, lubricating oil can flow the temperature sensor probe position through the through-hole above oil pump oil suction opening and the motor body, the oil temperature that temperature sensor detected can be carried for the electronic pump controller through the wire, this novel electronic pump can monitor the temperature of the inside lubricated fluid of gearbox in real time, arrange the oil temperature sensor in the inside scheme of gearbox before and compare the design degree of difficulty of greatly reduced gearbox, because for the heat dissipation of electric drive stator provides fluid and the transmission gear train lubrication all is supplied with by the electronic oil pump, so this scheme can provide the temperature of more accurate electronic pump suction opening for whole car TCU, whole car TCU can be according to the operating speed value of this temperature value adjustment best motor pump, this scheme can greatly reduced gearbox oil temperature sensor and whole car TCU's pencil arrange, reduce design and become the production cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the oil pump cover of the present invention;

FIG. 3 is a schematic cross-sectional view of a rotor assembly according to the present invention;

fig. 4 is a schematic cross-sectional view of a motor stator assembly according to the present invention;

fig. 5 is a schematic cross-sectional view of the controller cover assembly of the present invention.

In the figure: 1. an electric machine body; 101. installing edges; 102. mounting holes; 103. an inner seal ring; 104. an outer sealing ring; 105. an internal gear set; 106. a temperature sensor and a wire harness; 107. a through hole; 2. an oil pump cover; 201. bolt holes; 202. an oil suction port seal ring; 203. an oil inlet; 204. an oil inlet flow guide channel; 205. a bearing bore; 206. an oil discharge cavity; 207. an oil outlet; 3. a motor stator assembly; 301. installing a sealing ring; 302. a controller board; 4. a rotor assembly; 401. a motor rotor core assembly and a permanent magnet; 402. an inner rotating shaft; 403. a combination tank; 5. a controller cover assembly; 501. assembling bolts; 502. an electronic pump plug; 503. the electronic pump is connected with the communication interface.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, fig. 2 and fig. 4, the present invention provides an embodiment: an electronic oil pump assembly for detecting the temperature of lubricating oil of a gearbox in real time;

the motor comprises a motor body 1, two groups of installation edges 101 are installed on the outer side of the motor body 1, installation holes 102 are formed in the inner side of each installation edge 101 in a penetrating mode, an inner sealing ring 103 is installed on the inner side of the back of the motor body 1 in an embedded mode, an outer sealing ring 104 is installed on the outer side of the middle of the motor body 1 in an embedded mode, an inner meshing gear set 105 is installed on the front face of the interior of the motor body 1 in an embedded mode, the inner meshing gear set 105 is located on the back face of an oil pump cover 2, through holes 107 are formed in the inner side of the motor body 1, the motor body 1 is of a main body structure of the device and used for providing installation positions for the inner structure and improving stability of the device, the installation edges 101 on the outer side are used for being connected with a gearbox in a combined mode, the installation positions can be provided for structures such as bolts, stability of the device is improved, the inner sealing ring 103 and the outer sealing ring 104 are used for improving sealing performance after combined installation, leakage is avoided, and the inner meshing gear set 105 is used for power conduction, the device can be ensured to be normally used, the front side of the oil pump cover 2 is provided with an oil inlet 203, the back side of the oil pump cover 2 is provided with an oil inlet diversion channel 204, the back side of the oil pump cover 2 is provided with an oil discharge cavity 206, the inside of the oil discharge cavity 206 is provided with an oil outlet 207, the inside of the outer side of the oil pump cover 2 is penetrated and provided with a bolt hole 201, the outer side of the oil pump cover 2 is embedded and provided with an oil suction port sealing ring 202, the back side of the oil pump cover 2 is penetrated and provided with a bearing hole 205, the inside of the motor body 1 is provided with a temperature sensor and a wiring harness 106, the temperature sensor and the wiring harness 106 are finally connected with the controller board 302 through the motor stator assembly 3, the front side of the motor body 1 is provided with the oil pump cover 2, the oil pump cover 2 is used for realizing the effect of a working cavity by the internal structure, so that oil can enter the inside through the oil inlet 203 and then is discharged from the oil outlet 207 in the oil pump cover 2 after being meshed through the gear set 105, the oil suction port sealing ring 202 can be connected with an external structure and ensures a sealing effect, the bolt hole 201 is used for installing the oil pump cover 2 and the main body device in a combined mode to provide an installation position, and the temperature sensor and the wire harness 106 which are embedded and installed inside can detect the temperature of lubricating oil of the gearbox in real time.

Referring to fig. 3 and 4, an electronic oil pump assembly for real-time temperature detection of transmission lubricant oil is shown;

the motor comprises a motor body 1, a motor stator assembly 3 is installed inside the motor body 1, an installation sealing ring 301 is installed on the outer side of the motor stator assembly 3 in an embedded mode, a controller board 302 is installed at the top of the motor stator assembly 3, the controller board 302 is located inside the motor body 1, the motor stator assembly 3 is an internal motor protection structure, meanwhile, a rotating position can be provided for an internal rotor structure, the device can be guaranteed to be normally used, the installation sealing ring 301 can increase the sealing effect with a main device, the controller board 302 at the top is used for receiving signals of a whole vehicle controller and controlling motor driving, a rotor assembly 4 is installed inside the motor stator assembly 3 in a combined mode, a motor rotor core assembly and a permanent magnet 401 are installed inside the rotor core assembly 4, an internal rotating shaft 402 penetrates through the inside of the motor rotor core assembly and the permanent magnet 401, combination grooves 403 are formed in the top and the bottom of the internal rotating shaft 402, the rotor assembly 4 is of an internal permanent magnet insertion structure, the permanent magnet cannot fall off due to high-speed rotation of the rotor assembly 4, the stability of the rotor assembly 4 is improved, the internal rotating shaft 402 is used for transmitting kinetic energy of the rotor structure, and the combination grooves 403 at the top and the bottom are used for positioning.

Referring to FIG. 5, an electronic oil pump assembly for real-time temperature sensing of transmission lubricant;

the controller comprises a motor body 1, a controller cover assembly 5 is installed on the back surface of the motor body 1, a plurality of groups of assembling bolts 501 are installed on the back surface of the controller cover assembly 5 in an embedded mode, an electronic pump plug connector 502 is installed on the back surface of the controller cover assembly 5, a plurality of groups of electronic pump plug connector communication interfaces 503 are installed on the back surface of the electronic pump plug connector 502 in an embedded mode, the controller cover assembly 5 is a main body protection structure of a controller device, an electronic pump controller board is 302, and the controller board 302 is connected with the electronic pump plug connector communication interfaces 503. The electronic pump connector 502 can be connected with the vehicle body through the electronic pump connector communication interface 503, so that a driver can directly control the electronic pump to operate through a control mechanism in the vehicle, and the normal use of the device is ensured.

The working principle is as follows: the utility model discloses when using, gearbox fluid is inhaled by electronic pump oil inlet 203, and later fluid divide into two parts: a part of oil directly enters an oil suction cavity of the internal gear set 105 and is driven to an oil discharge cavity 206 by the internal gear set 105, the oil is finally discharged from an oil outlet 207 as the oil discharge cavity 206 is communicated with the oil outlet 207, the other part of oil flows into a through hole 107 of the motor body 1 along an oil inlet guide channel 204 designed on the oil pump cover 2, a temperature sensor and a wire harness 106 are arranged above the through hole 107 of the motor body 1, the sensor can feed back the current temperature value of the oil and feed back the temperature value to the electronic pump controller board 302, the electronic pump controller board 302 feeds back the current oil temperature value to the whole vehicle TCU through the connector wiring harness, because the size of the temperature sensor device and the through hole 107 of the motor body 1 have a large gap, oil can flow through the gap, and flows into the motor stator assembly 3 along the gap between the bottom of the motor stator assembly 3 and the motor body 1, and finally fills up the gap between the whole motor body 1 and the motor stator assembly 3, and the oil flowing into the motor body 1 flows into the oil suction cavity of the electronic oil pump through the through hole 107 of the oil suction cavity of the motor body 1, and is driven by the oil outlet 207 to be discharged through the internal gear set 105.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides an electron oil pump assembly of real-time detection gearbox lubricating oil temperature, includes motor body (1) and oil pump cover (2), its characterized in that: a temperature sensor and a wiring harness (106) are installed inside the motor body (1), and an oil pump cover (2) is installed on the front surface of the motor body (1);

a motor stator assembly (3) is arranged in the motor body (1), and a rotor assembly (4) is assembled and arranged on the inner side of the motor stator assembly (3);

the back of the motor body (1) is provided with a controller cover assembly (5).

2. The electronic oil pump assembly for detecting the temperature of the lubricating oil of the gearbox in real time as claimed in claim 1, wherein: two sets of installation limit (101) are installed in the outside of motor body (1), and the inboard of installation limit (101) runs through and has seted up mounting hole (102), and interior sealing washer (103) are installed in the inboard embedding at motor body (1) back, and outer sealing washer (104) are installed in the outside embedding at motor body (1) middle part, and interior meshing gear group (105) are installed in the inside front embedding of motor body (1), and interior meshing gear group (105) are located the back of oil pump lid (2), and through-hole (107) have been seted up to the inboard of motor body (1).

3. The electronic oil pump assembly for detecting the temperature of the lubricating oil of the gearbox in real time as claimed in claim 1, wherein: oil inlet (203) have been seted up on the front of oil pump cover (2), oil inlet water conservancy diversion (204) have been seted up at the back of oil pump cover (2), oil extraction chamber (206) have been seted up at the back of oil pump cover (2), oil-out (207) have been seted up to the inside of oil extraction chamber (206), bolt hole (201) have been seted up in the inside running through in the oil pump cover (2) outside, oil absorption mouth sealing washer (202) are installed in the outside embedding of oil pump cover (2), the back of oil pump cover (2) runs through and has seted up dead eye (205).

4. The electronic oil pump assembly for detecting the temperature of the lubricating oil of the gearbox in real time as claimed in claim 1, wherein: the outer side of the motor stator assembly (3) is embedded with an installation sealing ring (301), the top of the motor stator assembly (3) is provided with a controller board (302), the controller board (302) is located inside the motor body (1), and the temperature sensor and the wiring harness (106) are connected with the controller board (302).

5. The electronic oil pump assembly for detecting the temperature of the lubricating oil of the gearbox in real time as claimed in claim 1, wherein: the motor rotor core assembly and the permanent magnet (401) are mounted inside the rotor assembly (4), the inner rotating shaft (402) penetrates through the motor rotor core assembly and the permanent magnet (401), and the combination groove (403) is formed in the top and the bottom of the inner rotating shaft (402).

6. The electronic oil pump assembly for detecting the temperature of the lubricating oil of the gearbox in real time as claimed in claim 1, wherein: the back of controller lid assembly (5) is embedded to be installed a plurality of combination bolt (501), and the back of controller lid assembly (5) is installed electronic pump plug connector (502), and the back embedding of electronic pump plug connector (502) is installed a plurality of groups electronic pump and is inserted and connect communication interface (503).