CN219344926U

CN219344926U - Integrated electronic water pump adopting axial flux motor

Info

Publication number: CN219344926U
Application number: CN202320752703.4U
Authority: CN
Inventors: 王晓璨
Original assignee: Shanghai Xiaozhi Technology Co ltd
Current assignee: Shanghai Xiaozhi Technology Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-07-14
Anticipated expiration: 2033-04-07

Abstract

The utility model provides an integrated electronic water pump adopting an axial flux motor, and relates to the technical field of automobile electronic water pumps. The diaphragm pump structure is combined with the small size of the disc motor, and meanwhile, the torque density is increased, so that the energy utilization rate is improved.

Description

Integrated electronic water pump adopting axial flux motor

Technical Field

The utility model relates to the technical field of automobile electronic water pumps, in particular to an integrated electronic water pump adopting an axial flux motor.

Background

The water pump is used as a key part of the automobile thermal management system, and has the effects of overcoming the system resistance, promoting the continuous circulation of liquid and ensuring that all parts in the system work in a reasonable temperature range.

The automobile water pump is divided into a mechanical water pump and an electronic water pump according to the structural form, the mechanical water pump is required to be driven to rotate through a crankshaft and a connecting belt, the rotation speed of the water pump is in direct proportion to the rotation speed of an engine, a motor, a control board, a hydraulic structure, a transmission structure and the like are integrated in the electronic water pump, the electronic water pump is not connected with the engine and can independently operate, the operation speed of the electronic water pump can be adjusted according to an external input signal, the automobile water pump can flexibly work according to actual cooling requirements, the automobile water pump has the characteristics of energy conservation and high efficiency, and the application requirements of the electronic water pump on a traditional automobile are larger and larger along with the higher and higher emission requirements.

At present, the water pump is generally applied to the environment with large suction lift and lift, and the impeller in the water pump is driven by the motor or the diesel engine to rotate so as to drive the water pump to work, but the power required by the water pump with the suction lift and the lift exceeding 39 meters is larger, so that the motor or the diesel engine for driving the water pump to work is larger in volume, the whole water pump system is complex in structure, and meanwhile, the existing electronic water pump is generally a brushless direct current motor of an inner rotor, and the power density and the torque density are lower, so that the energy utilization rate is low.

Disclosure of Invention

The utility model aims to solve the problem of low energy utilization rate of a conventional automobile water pump, and provides an integrated electronic water pump adopting an axial flux motor, wherein the integrated electronic water pump combines the characteristic of small volume of a disc motor through a diaphragm pump structure, and simultaneously increases the torque density, so that the energy utilization rate is improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the integrated electronic water pump adopting the axial magnetic flux motor comprises a water pump body, wherein the water pump body is provided with a water pump cavity and a driving cavity, the side wall of the water pump cavity is respectively provided with a water inlet and a water outlet, a diaphragm pump is arranged in the water pump cavity, a disc motor and a controller are arranged in the driving cavity, and a driving shaft of the disc motor extends out of the driving cavity and is connected with the diaphragm pump.

Optionally, a flexible circuit board is arranged on the outer ring of the stator back plate of the disc motor, and the flexible circuit board is respectively connected with the disc motor winding and the controller.

Optionally, an integrated bearing seat is arranged in the motor, and a driving shaft of the disc motor is rotationally connected with the bearing seat.

Optionally, the controller is annular structure, and the outer loop with the inner wall adaptation of driving chamber.

Optionally, a buffer gap is reserved between the outer walls of the disc motor and the side walls of the driving cavity.

Optionally, the diaphragm pump includes diaphragm and a plurality of sucking disc, encircles the diaphragm interval sets up a plurality of drum arms, the sucking disc with the end connection of drum arm.

Optionally, the drum arm is provided with a reinforcing rib.

Optionally, a detachable guard ring is arranged in the middle of the diaphragm.

Optionally, a water baffle is further arranged in the water pumping cavity, a plurality of water outlets are formed around the water baffle, and a flow passage is formed between the water baffle and the water pumping cavity.

Optionally, the outer casing of pump water cavity with the water pump body card dismantles and connects.

The utility model has the beneficial effects that:

(1) The utility model combines the characteristics of the disc motor through the diaphragm pump structure, thereby improving the energy utilization rate.

(2) The utility model is directly connected with the driving shaft of the disc motor through the diaphragm pump, thereby saving space and reducing the space occupation of the water pump body.

(3) According to the utility model, the flexible circuit board arranged on the outer ring of the stator back plate of the disc motor is used for improving the connection convenience of the windings of the disc motor.

In conclusion, the utility model has the advantages of small volume, high energy utilization rate, convenient use and the like.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the overall structure of the present utility model;

FIG. 3 is an exploded view of the disc motor of the present utility model;

FIG. 4 is a schematic view of the overall structure of the diaphragm pump of the present utility model;

fig. 5 is a schematic view of the internal structure of the pumping chamber of the present utility model.

Reference numerals: 1. a water pump body; 11. a pumping chamber; 12. a drive chamber; 121. a buffer gap; 13. a water inlet; 14. a water outlet; 15. a water baffle; 151. a water outlet hole; 16. a flow passage; 2. a diaphragm pump; 21. a diaphragm sheet; 22. a suction cup; 23. a drum arm; 231. reinforcing ribs; 24. a guard ring; 3. a disk motor; 31. a flexible circuit board; 32. a stator backplate; 33. a stator core; 34. a winding; 35. a bearing seat; 36. a bearing; 37. magnetic steel; 38. a rotor; 39. a drive shaft; 4. and a controller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

As shown in fig. 1 and 2, this embodiment provides an integrated water pump of disc motor 3, including water pump body 1, water pump body 1 is equipped with pump water cavity 11 and driving chamber 12, the lateral wall of pump water cavity 11 is equipped with water inlet 13 and delivery port 14 respectively, be equipped with diaphragm pump 2 in the pump water cavity 11, be equipped with disc motor 3 and controller 4 in the driving chamber 12, the drive shaft 39 of disc motor 3 stretches out driving chamber 12 with diaphragm pump 2 connects. The direct connection between the driving shaft 39 and the diaphragm pump 2 reduces the space occupation of the water pump body 1 in the vehicle body, and the geometry of the disk motor 3 is combined through the structure of the diaphragm pump 2, so that the torque density is increased, and the energy utilization rate is improved.

As shown in fig. 3, the disc motor 3 includes a flexible circuit board 31, a stator back plate 32, a stator core 33, windings 34, a bearing 36 seat 35, a bearing 36, magnetic steel 37, a rotor 38, and a driving shaft 39, wherein the flexible circuit board 31 is arranged on the outer ring of the stator back plate 32 of the disc motor 3, and the flexible circuit board 31 is respectively connected with the windings 34 of the disc motor 3 and the controller. The flexible circuit board 31 is arranged on the outer ring of the stator back plate 32 of the disc motor 3, so that the connection convenience of the windings 34 of the disc motor 3 is improved.

In order to improve the use effect of the water pump, an integrated bearing 36 seat 35 is arranged in the motor, and a driving shaft 39 of the disc motor 3 is rotatably connected with the bearing 36 seat 35. The integral bearing 36 seat 35 can reduce the clearance generated by mechanical fit and improve the tightness and stability of the equipment.

As shown in fig. 2, the controller 4 has a ring structure, and an outer ring is adapted to an inner wall of the driving chamber 12. The adaptive controller 4 is arranged according to the standard of the inner cavity of the driving cavity 12, so that the installation stability of the controller 4 is improved, and the damage probability of the controller 4 is reduced.

In order to reduce the probability of the disc motor 3 being damaged by extrusion, a buffer gap 121 is reserved between the side wall of the driving cavity 12 and the outer wall of the disc motor 3.

As shown in fig. 4, the diaphragm pump 2 includes a diaphragm 21 and a plurality of suction cups 22, a plurality of pumping arms 23 are arranged around the diaphragm 21 at intervals, the suction cups 22 are connected with the ends of the pumping arms 23, and the pumping arms 23 are arranged at intervals to reduce the space occupation of the pumping chamber 11 and improve the liquid fluidity. Reinforcing ribs 231 are provided on the drum arm 23 to improve structural strength of the drum arm 23. Meanwhile, in order to prolong the service life of the diaphragm 21, a detachable protection ring 24 is arranged in the middle of the diaphragm 21.

In some embodiments, as shown in fig. 2 and 5, a water baffle plate 15 is further disposed in the water pumping chamber 11, a plurality of water outlet holes 151 are disposed around the water baffle plate 15, and a flow channel 16 is formed between the water baffle plate 15 and the water pumping chamber 11. The water baffle 15 can coordinate the flow direction of the liquid at the water inlet 13 and the water outlet 14, thereby preventing turbulent flow.

In order to improve the use effect of the diaphragm 21, the outer casing of the pumping chamber 11 is detachably connected with the water pump body 1, so as to facilitate cleaning the inside of the pumping chamber 11.

It should be noted that, the portion of the water pump body 1 used for installing the motor may be a closed space formed by welding the bottom in a later stage.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The integrated electronic water pump adopting the axial flux motor is characterized by comprising a water pump body, wherein the water pump body is provided with a water pump cavity and a driving cavity, the side wall of the water pump cavity is respectively provided with a water inlet and a water outlet, a diaphragm pump is arranged in the water pump cavity, a disc motor and a controller are arranged in the driving cavity, and a driving shaft of the disc motor extends out of the driving cavity and is connected with the diaphragm pump.

2. The integrated electronic water pump employing an axial flux motor of claim 1, wherein a flexible circuit board is provided on an outer ring of a stator back plate of the disc motor, and is connected to the disc motor winding and the controller, respectively.

3. The integrated electronic water pump employing an axial flux motor of claim 1, wherein an integrated bearing housing is provided within the motor, and a drive shaft of the disc motor is rotatably coupled to the bearing housing.

4. The integrated electronic water pump employing an axial flux motor of claim 1, wherein the controller is of a ring-like configuration and the outer ring is adapted to an inner wall of the drive chamber.

5. The integrated electronic water pump employing an axial flux motor of claim 1, wherein a buffer gap is reserved between the side walls of the drive cavity and the outer wall of the disc motor.

6. The integrated electronic water pump employing an axial flux motor according to any one of claims 1-5, wherein the diaphragm pump comprises a diaphragm sheet and a plurality of suction cups, a plurality of pumping arms are arranged around the diaphragm sheet at intervals, and the suction cups are connected to ends of the pumping arms.

7. The integrated electronic water pump employing an axial flux motor of claim 6, wherein the drum arm is provided with a reinforcing rib.

8. The integrated electronic water pump employing an axial flux motor of claim 6, wherein a removable guard ring is provided in a middle portion of the diaphragm.

9. The integrated electronic water pump adopting the axial flux motor according to claim 1, wherein a water baffle is further arranged in the water pumping cavity, a plurality of water outlets are formed around the water baffle, and a flow passage is formed between the water baffle and the water pumping cavity.

10. The integrated electronic water pump employing an axial flux motor of claim 1, wherein the outer housing of the pumping chamber is removably attached to the pump body.