CN113137376A - High-power electronic water pump - Google Patents
High-power electronic water pump Download PDFInfo
- Publication number
- CN113137376A CN113137376A CN202110620076.4A CN202110620076A CN113137376A CN 113137376 A CN113137376 A CN 113137376A CN 202110620076 A CN202110620076 A CN 202110620076A CN 113137376 A CN113137376 A CN 113137376A
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- Prior art keywords
- bottom plate
- shell
- spacer
- water pump
- assembly
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
- F04D13/0626—Details of the can
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0686—Mechanical details of the pump control unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5813—Cooling the control unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a high-power electronic water pump, which comprises a shell with an open end and a bottom plate at one end, wherein the open end of the shell is provided with an upper cover, the bottom plate end is provided with a heat dissipation cover, a circuit board is arranged on the bottom plate through an installation positioning structure, and the bottom plate is also provided with an avoidance structure; the impeller is arranged in the rotor assembly, and the rotor assembly is arranged in the rotor assembly; one end of the spacer bush sealing assembly is clamped by the upper cover and the shell, the other end of the spacer bush sealing assembly extends towards the bottom plate, and a fluid flowing cavity communicated with the rotor assembly installation cavity is arranged between the bottom plate and the spacer bush sealing assembly. During working, cooling liquid enters the fluid flow cavity to flow and takes away heat on the shell and the bottom plate, so that the heat dissipation efficiency is improved, and conditions are provided for realizing a high-power water pump; meanwhile, the problem that the potential safety hazard is large when the water pump stops working and the vehicle runs due to overhigh temperature is solved.
Description
Technical Field
The invention belongs to the technical field of electronic water pumps, and particularly relates to a high-power electronic water pump.
Background
At present, the circuit board on the electronic water pump is installed at the end of the shell through a bracket and the like, and the electronic water pump shell and the heat dissipation of the circuit board on the electronic water pump shell are as follows: the cooling is realized through the flow of the radiating fins and the gas arranged on the shell, because the electronic water pump is arranged in the engine cabin and the ambient temperature in the engine cabin is high, the radiating efficiency of the water pump in the work is low, meanwhile, because the circuit board has the temperature protection function, when the temperature exceeds a certain temperature, the water pump stops working, the running of a vehicle has great potential safety hazard, in addition, the electronic water pump is limited by the problems, and the electronic water pump cannot be used as a high-power (especially 100W or more) water pump.
Disclosure of Invention
The invention provides a high-power electronic water pump, which aims to improve the heat dissipation efficiency and can be used as a high-power water pump.
In order to solve the technical problems, the technical scheme of the invention is as follows: a high-power electronic water pump comprises a shell with an opening at one end and a bottom plate at one end, wherein an upper cover is installed at the opening end of the shell, a heat dissipation cover is installed on the shell with the bottom plate end, a circuit board accommodating cavity is formed between the bottom plate and the heat dissipation cover, a circuit board is installed on the bottom plate through an installation positioning structure, and an avoiding structure is also arranged on the bottom plate on the same side as the circuit board;
the rotor assembly is characterized by further comprising a spacer bush sealing assembly provided with a rotor assembly mounting cavity, a rotor impeller assembly is rotatably mounted in the rotor assembly mounting cavity, a fluid cavity is formed in an area between the spacer bush sealing assembly and the upper cover, an impeller of the rotor impeller assembly is located in the fluid cavity, a water inlet and a water outlet are formed in the upper cover, a stator assembly mounting cavity is formed between the spacer bush sealing assembly and the shell, and a stator assembly is mounted in the stator assembly mounting cavity;
one end of the spacer sleeve sealing assembly is clamped by the upper cover and the shell, the other end of the spacer sleeve sealing assembly extends towards the bottom plate, a fluid flowing cavity is arranged between the bottom plate and the spacer sleeve sealing assembly, and the fluid flowing cavity is communicated with the rotor assembly installation cavity.
As an improvement, a positioning support sleeve is convexly arranged on the bottom plate positioned in the shell, and the fluid flow chamber is arranged in the positioning support sleeve; and a plurality of vertically arranged and annularly extending positioning steps are arranged on the inner wall of the positioning support sleeve.
As a further improvement, the spacer sealing assembly comprises a spacer body abutting against the positioning step, and one end of the spacer body is inserted into the fluid flow chamber and sealed on the positioning support sleeve; the spacer sleeve body is provided with a plurality of through holes, and the through holes are communicated with the inside of the spacer sleeve body and the fluid flow cavity; the other end of spacer body is equipped with the gland, the gland by the centre gripping in the upper cover with between the shell, just the gland with the upper cover with all be equipped with the sealing member between the shell.
As a further improvement, the spacer body and the gland are of an integrally formed structure.
As a further improvement, the spacer body and the gland are of a split structure, the end parts of the gland and the spacer body are sleeved together and clamped and matched, and the sealing element is arranged between the gland and the spacer body.
As a further improvement, the spacer body is made of a plastic material, and the gland is made of a metal material.
As a still further improvement, the avoidance structure comprises a plurality of avoidance grooves and avoidance holes arranged on the bottom plate, and the avoidance holes are arranged on the periphery of the area where the positioning support sleeve is located.
As a further improvement, the mounting and positioning structure comprises at least two positioning columns arranged on the bottom plate and used for positioning the circuit board, and the bottom plate is also provided with a plurality of mounting holes or buckles; and the positioning column is provided with a limiting block.
As an improvement, the housing and the spacer sealing assembly are integrally formed injection-molded parts made of plastic materials, and a mandrel is integrally formed on the spacer sealing assembly in the rotor assembly mounting cavity;
the shell and the bottom plate are of a split structure, and the bottom plate is fixedly arranged on the spacer sleeve sealing assembly; the bottom plate is a metal bottom plate.
As an improvement, the bottom plate and the shell are of an integrally formed structure, and a first sealing element is arranged between the shell and the heat dissipation cover; the bottom plate and the shell are made of metal materials; or the bottom plate and the shell are both made of plastic materials;
or: the bottom plate and the shell are of a split molding structure, and the bottom plate and the shell are assembled and fixedly connected together; second sealing elements are arranged between the bottom plate and the shell as well as between the shell and the heat dissipation cover; the bottom plate and the shell are made of metal materials; or the bottom plate and the shell are both made of plastic materials; or, one of the bottom plate and the shell is made of a plastic material, and the other is made of a metal material.
After the technical scheme is adopted, the invention has the effects that:
the high-power electronic water pump comprises a shell with an opening at one end and a bottom plate at one end, wherein the opening end of the shell is provided with an upper cover, the shell with the bottom plate end is provided with a radiating cover, a circuit board accommodating cavity is arranged between the bottom plate and the radiating cover, the circuit board is arranged on the bottom plate through an installing and positioning structure, and an avoiding structure is also arranged on the bottom plate on the same side as the circuit board; the rotor assembly mounting cavity is internally provided with a rotor impeller assembly in a rotating manner, a fluid chamber is formed in an area between the spacer bush sealing assembly and the upper cover, an impeller of the rotor impeller assembly is positioned in the fluid chamber, the upper cover is provided with a water inlet and a water outlet, a stator assembly mounting cavity is formed between the spacer bush sealing assembly and the shell, and a stator assembly is arranged in the stator assembly mounting cavity; based on the structure, when the high-power electronic water pump is used, the circuit board can be attached to the bottom plate through heat-conducting insulating glue, meanwhile, the circuit board is installed on the bottom plate through the installation positioning structure, the circuit board is avoided with other elements when being installed through the avoiding structure, and the fixation of the spacer sleeve sealing assembly is realized through the clamping of the upper cover and the shell and the matching of the bottom plate and the spacer sleeve sealing assembly; when the high-power electronic water pump works again, the water pump impeller is rotated through the rotor impeller assembly, the water pump impeller can drive fluids such as cooling liquid to circularly flow in the spacer sleeve sealing assembly (specifically, the cooling liquid enters the spacer sleeve sealing assembly through the liquid inlet pipe of the upper cover and then flows out through the liquid outlet pipe of the upper cover), and in the flowing process, the cooling liquid enters the fluid flowing cavity to flow, so that the flowing cooling liquid can take away heat on the shell and the bottom plate, meanwhile, the high-power electronic water pump is matched with the heat dissipation cover to realize quick heat dissipation, the heat dissipation efficiency is greatly improved, good conditions are provided for realizing the high-power electronic water pump (by adopting the scheme, the high-power electronic water pump with the power of about 120W-130W can be manufactured), and meanwhile, the problems that the water pump stops working and the potential safety hazard is large during the vehicle running due to overhigh temperature are solved; in addition, the one end of the sealed assembly of spacer bush is by the centre gripping, and the temperature on the shell can be to the sealed assembly transmission of spacer bush, and then the coolant liquid that flows can drive the heat, is favorable to the heat dissipation of shell.
Because the bottom plate in the shell is convexly provided with the positioning support sleeve, the positioning support sleeve is internally provided with a fluid flow chamber; the inner wall of the positioning support sleeve is provided with a plurality of positioning steps which are vertically arranged and extend in an annular mode, so that a fluid flowing cavity is formed through the positioning support sleeve, a space for cooling liquid to flow circularly is provided, heat is taken away in the flowing process, and then cooling and heat dissipation of the circuit board are achieved, the structure is simple, the forming is convenient, and a good heat dissipation effect is achieved; the spacer bush sealing assembly is convenient to support and position through the positioning step, and meanwhile, the sealing element is convenient to be arranged between the spacer bush sealing assembly and the positioning support sleeve, so that cooling liquid is effectively prevented from entering the stator assembly installation cavity.
Because the spacer sleeve sealing assembly comprises a spacer sleeve body which is abutted against the positioning step, one end of the spacer sleeve body is inserted into the fluid flow chamber and sealed on the positioning support sleeve; the spacer sleeve body is provided with a plurality of through holes which are communicated with the inside of the spacer sleeve body and the fluid flow cavity; the other end of spacer body is equipped with the gland, the gland is by the centre gripping between upper cover and shell, and all be equipped with the sealing member between gland and upper cover and the shell, thereby through the cooperation of location step and spacer body, realize the fixed and sealed of spacer body one end, through the centre gripping of upper cover and shell, realize the fixed and sealed of gland end on the spacer body, when the coolant liquid circulation flows, the coolant liquid gets into the inside of spacer body through the gland, later, enter into the fluid flow chamber through the through-hole, the condition is provided for having improved the radiating efficiency, and simultaneously, the coolant liquid that flows cools down spacer body and gland, the heat of upper cover and shell can be taken away equally, be favorable to the heat dissipation, moreover, the steam generator is simple in structure, the fixed and sealed effectual of spacer seal assembly, played radiating effect simultaneously.
Because spacer body and gland are integrated into one piece structure, simple structure, the rapid Assembly of being convenient for.
The spacer sleeve body and the gland are of a split structure, the end parts of the gland and the spacer sleeve body are sleeved together and are clamped and matched, and a sealing element is arranged between the gland and the spacer sleeve body; the spacer sleeve body is made of a plastic material, and the gland is made of a metal material, so that the spacer sleeve is convenient to machine and form, effectively reduces the cost, ensures the heat dissipation effect, and simultaneously ensures the service life of the clamped gland.
The avoiding structure comprises a plurality of avoiding grooves and avoiding holes which are arranged on the bottom plate, the avoiding holes are arranged on the periphery of the area where the positioning support sleeve is located, so that the related structures on the circuit board are avoided through the avoiding grooves, the stator pins are avoided through the avoiding holes, the avoiding holes are arranged on the periphery of the area where the positioning support sleeve is located, and the problem that fluid flows in the cavity and the cavity where the circuit board is accommodated are communicated with each other and fluid enters the cavity where the circuit board is accommodated is solved.
The mounting and positioning structure comprises at least two positioning columns which are arranged on the bottom plate and used for positioning the circuit board, and the bottom plate is also provided with a plurality of mounting holes or buckles, so that the mounting position of the circuit board is quickly positioned through the positioning columns, and the circuit board is mounted on the bottom plate through the mounting holes and the buckles, so that the structure is simple, and the circuit board is quickly and conveniently mounted; because the positioning column is provided with the limiting block, the mounting position of the circuit board is blocked and limited by the limiting block.
The housing and the spacer bush sealing assembly are injection-molded parts integrally formed by plastic materials, and a mandrel is integrally formed on the spacer bush sealing assembly positioned in the rotor assembly mounting cavity; the shell and the bottom plate are of a split structure, and the bottom plate is fixedly arranged on the spacer bush sealing assembly; the bottom plate is the metal bottom plate to come reduce cost through integrated into one piece's injection molding, and shaping and radiating effect are good, guarantee the radiating effect to the circuit board through the metal bottom plate.
Because the bottom plate and the shell are of an integrally formed structure, a first sealing element is arranged between the shell and the heat dissipation cover; the bottom plate and the shell are made of metal materials; or the bottom plate and the shell are made of plastic materials, so that the integrated structure is convenient to form and favorable for heat dissipation.
Because the bottom plate and the shell are in a split molding structure, the bottom plate and the shell are assembled and fixedly connected together; second sealing elements are arranged between the bottom plate and the shell as well as between the shell and the heat dissipation cover; the bottom plate and the shell are made of metal materials; or the bottom plate and the shell are both made of plastic materials; or one of the bottom plate and the shell is made of plastic materials, and the other one of the bottom plate and the shell is made of metal materials, so that the assembly of all parts is facilitated through a split structure, and the heat dissipation effect is not influenced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention (the housing and the bottom plate are an integral structure);
FIG. 2 is a schematic structural view of the housing of FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 2 from another angle;
FIG. 4 is a schematic diagram of the structure of the circuit board of FIG. 1 being clamped;
FIG. 5 is an enlarged view of A in FIG. 1;
FIG. 6 is an enlarged view of B in FIG. 1;
FIG. 7 is a schematic structural view of a second embodiment of the present invention (the housing and the bottom plate are in a split structure);
FIG. 8 is a schematic structural view of a third embodiment of the present invention (the housing and the bottom plate are separate structures, and the housing and the spacer seal assembly are an integral structure);
FIG. 9 is a schematic view of the structure of the base plate of FIG. 8;
wherein, 1-shell; 100-a plug interface; 101-a base plate; 102-a circuit board receiving cavity; 103-rotor assembly mounting cavity; 104-a stator assembly mounting cavity; 105-positioning the supporting sleeve; 106-a fluid flow chamber; 107-positioning steps; 108-avoidance slot; 109-avoiding holes; 110-a first sealing element; 2-covering the upper cover; 201-a fluid chamber; 202-a water inlet; 203-water outlet; 3-a heat dissipation cover; 4-a circuit board; 401-positioning columns; 402-mounting holes; 403-buckling; 404-a limiting block; 5-mandrel; 6-rotor impeller assembly; 7-a stator assembly; 8-spacer body; 801-sealing ring; 802-via holes; 803-capping; 804-a seal; 805-convex ring; 806-card slot; 9-plug.
Detailed Description
The present invention is described in further detail below with reference to specific examples.
The first embodiment is as follows:
as shown in fig. 1 to 6, a high-power electronic water pump includes a housing 1 having an open end and a bottom plate 101 at one end, an upper cover 2 is installed at the open end of the housing 1, a heat dissipation cover 3 is installed on the housing 1 having the bottom plate 101, a circuit board accommodating cavity 102 is provided between the bottom plate 101 and the heat dissipation cover 3, a circuit board 4 is installed on the bottom plate 101 through an installation positioning structure, and an avoiding structure is further provided on the bottom plate 101 on the same side as the circuit board 4; the rotor assembly structure further comprises a spacer bush sealing assembly provided with a rotor assembly installation cavity 103, a mandrel 5 is arranged on the spacer bush sealing assembly in the rotor assembly installation cavity 103, a rotor impeller assembly 6 is installed in the rotor assembly installation cavity 103, a fluid chamber 201 is formed in the region between the spacer bush sealing assembly and the upper cover 2, an impeller on the rotor impeller assembly 6 is located in the fluid chamber, and a water inlet 202 and a water outlet 203 are formed in the upper cover 2; a stator assembly installation cavity 104 is formed between the spacer bush sealing assembly and the shell 1, and a stator assembly 7 is installed in the stator assembly installation cavity 104; one end of the spacer seal assembly is clamped by the upper cover 2 and the shell 1, the other end of the spacer seal assembly extends towards the bottom plate 101, a fluid flow chamber 106 is arranged between the bottom plate and the spacer seal assembly, and the fluid flow chamber 106 is communicated with the rotor assembly installation cavity 103.
The fluid flow chamber 106 is formed in the following configuration: comprises a positioning support sleeve 105 which is arranged on the bottom plate 101 and protrudes out of the bottom plate 1, and a fluid flow chamber 106 is arranged in the positioning support sleeve 105; the inner wall of the positioning support sleeve 105 is provided with a plurality of positioning steps 107 (see fig. 3) which are vertically arranged and extend annularly, and the spacer seal assembly abuts against the positioning steps 107 so as to fix the clamping end of the spacer seal assembly.
The spacer sealing assembly comprises a spacer body 8 abutting against the positioning step 107, one end of the spacer body 8 being inserted into the fluid flow chamber 106 and sealed to the positioning support sleeve 105 by a sealing ring 801 (see fig. 6); the spacer body 8 is provided with a plurality of through holes 802, and the through holes 802 are communicated with the inside of the spacer body 8 and the fluid flow chamber 106; the other end of the spacer body 8 is provided with a gland 803, the gland 803 is clamped between the upper cover 2 and the outer shell 1, and a sealing element 804 (such as a sealing ring) is arranged between the gland 803 and the upper cover 2 and the outer shell 1.
As shown in fig. 1 and 5, the spacer body 8 and the gland 803 are integrally formed; alternatively, the spacer body 8 and the gland 803 are separate structures, in the case of separate structures, the spacer body 8 is made of plastic material, the gland 803 is made of metal material, the end portions of the gland 803 and the spacer body 8 are fitted together and fitted, and a sealing member 804 is provided between the gland 803 and the spacer body 8. The matching structure between the gland 803 and the spacer body 8 in the figure is as follows: the gland 803 is provided with a convex ring 805 bent towards the direction of the spacer body 8, the end of the spacer body 8 is provided with a clamping groove 806 matched with the convex ring 805, the convex ring 805 is inserted into the clamping groove 806 and forms a clamping fit relation, and the sealing element 804 is arranged in the clamping groove 806 and is positioned between the convex ring 805 and the spacer body 8.
The avoidance structure comprises a plurality of avoidance grooves 108 and avoidance holes 109 (see fig. 2) arranged on the bottom plate 101, wherein the avoidance holes 109 are arranged on the periphery of the area where the positioning support sleeve 105 is located; the mounting and positioning structure comprises at least two positioning columns 401 arranged on the bottom plate 101 for positioning the circuit board 4, and a plurality of mounting holes 402 or buckles 403 (see fig. 5) are also arranged on the bottom plate 101; a limiting block 404 is disposed on the positioning post 401.
A plug connector 100 for inserting the plug 9 is integrally formed on the housing 1, and the plug connector 100 penetrates the bottom plate 101 and communicates with the circuit board receiving cavity 102.
The base plate 101 and the housing 1 are integrally formed, and a first sealing element 110 (such as a sealing ring) is arranged between the housing 1 and the heat dissipation cover 3; the bottom plate 101 and the shell 1 are made of metal materials; alternatively, the base plate 101 and the housing 1 are both made of plastic.
Example two:
the structure of this embodiment is substantially the same as that of the first embodiment, and the difference is that:
as shown in fig. 7 and fig. 9, the bottom plate 101 and the housing 1 are formed as separate bodies, and the bottom plate 101 and the housing 1 are fitted and fixedly connected together; second sealing elements are arranged between the bottom plate 101 and the shell 1 and between the shell 1 and the heat dissipation cover 3, and the second sealing elements are sealing rings 801; the bottom plate 101 and the shell 1 are made of metal materials; or, the bottom plate 101 and the housing 1 are both made of plastic material; alternatively, one of the base plate 101 and the housing 1 is made of a plastic material, and the other is made of a metal material.
Example three:
the present embodiment is substantially the same as the first and second embodiments, and the difference is that:
as shown in fig. 8 and 9, the housing 1 and the spacer seal assembly are integrally molded as injection-molded parts made of plastic material, and the core shaft 5 is integrally molded on the spacer seal assembly located in the rotor assembly mounting cavity 103; the shell 1 and the bottom plate 101 are of a split structure, and the bottom plate 101 is fixedly arranged on the spacer bush sealing assembly; the base plate 101 is a metal base plate.
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and alterations made to the technical solution of the present invention without departing from the spirit of the present invention are intended to fall within the scope of the present invention defined by the claims.
Claims (10)
1. The utility model provides a high-power electronic water pump, includes that one end is uncovered, one end is equipped with the shell of bottom plate, the upper cover is installed to the uncovered end of shell, is equipped with the bottom plate end install the cooling lid on the shell, its characterized in that: a circuit board accommodating cavity is arranged between the bottom plate and the heat dissipation cover, the circuit board is arranged on the bottom plate through an installation positioning structure, and an avoidance structure is also arranged on the bottom plate on the same side as the circuit board;
the rotor assembly is characterized by further comprising a spacer bush sealing assembly provided with a rotor assembly mounting cavity, a rotor impeller assembly is rotatably mounted in the rotor assembly mounting cavity, a fluid cavity is formed in an area between the spacer bush sealing assembly and the upper cover, an impeller of the rotor impeller assembly is located in the fluid cavity, a water inlet and a water outlet are formed in the upper cover, a stator assembly mounting cavity is formed between the spacer bush sealing assembly and the shell, and a stator assembly is mounted in the stator assembly mounting cavity;
one end of the spacer sleeve sealing assembly is clamped by the upper cover and the shell, the other end of the spacer sleeve sealing assembly extends towards the bottom plate, a fluid flowing cavity is arranged between the bottom plate and the spacer sleeve sealing assembly, and the fluid flowing cavity is communicated with the rotor assembly installation cavity.
2. The high power electronic water pump of claim 1, wherein: a positioning support sleeve is convexly arranged on the bottom plate in the shell, and the fluid flowing chamber is arranged in the positioning support sleeve; and a plurality of vertically arranged and annularly extending positioning steps are arranged on the inner wall of the positioning support sleeve.
3. The high power electronic water pump of claim 2, wherein: the spacer sealing assembly comprises a spacer body which is abutted against the positioning step, and one end of the spacer body is inserted into the fluid flow chamber and sealed on the positioning support sleeve; the spacer sleeve body is provided with a plurality of through holes, and the through holes are communicated with the inside of the spacer sleeve body and the fluid flow cavity; the other end of spacer body is equipped with the gland, the gland by the centre gripping in the upper cover with between the shell, just the gland with the upper cover with all be equipped with the sealing member between the shell.
4. The high power electronic water pump of claim 3, wherein: the spacer sleeve body and the gland are of an integrally formed structure.
5. The high power electronic water pump of claim 3, wherein: the spacer sleeve body and the gland are of split structures, the end parts of the gland and the spacer sleeve body are sleeved together and clamped and matched, and the sealing element is arranged between the gland and the spacer sleeve body.
6. The high power electronic water pump according to claim 5, characterized in that: the spacer sleeve body is made of a plastic material, and the gland is made of a metal material.
7. The high power electronic water pump according to any one of claims 1 to 6, characterized in that: dodge the structure including set up in a plurality of grooves of dodging on the bottom plate and dodge the hole, dodge the hole set up in the periphery in location support cover place region.
8. The high power electronic water pump of claim 7, wherein: the mounting and positioning structure comprises at least two positioning columns which are arranged on the bottom plate and used for positioning the circuit board, and the bottom plate is also provided with a plurality of mounting holes or buckles; and the positioning column is provided with a limiting block.
9. The high power electronic water pump of claim 1, wherein: the shell and the spacer bush sealing assembly are injection-molded parts integrally formed by plastic materials, and a mandrel is integrally formed on the spacer bush sealing assembly in the rotor assembly mounting cavity;
the shell and the bottom plate are of a split structure, and the bottom plate is fixedly arranged on the spacer sleeve sealing assembly; the bottom plate is a metal bottom plate.
10. The high power electronic water pump of claim 1, wherein: the bottom plate and the shell are of an integrally formed structure, and a first sealing element is arranged between the shell and the heat dissipation cover; the bottom plate and the shell are made of metal materials; or the bottom plate and the shell are both made of plastic materials;
or: the bottom plate and the shell are of a split molding structure, and the bottom plate and the shell are assembled and fixedly connected together; second sealing elements are arranged between the bottom plate and the shell as well as between the shell and the heat dissipation cover; the bottom plate and the shell are made of metal materials; or the bottom plate and the shell are both made of plastic materials; or, one of the bottom plate and the shell is made of a plastic material, and the other is made of a metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110620076.4A CN113137376A (en) | 2021-06-03 | 2021-06-03 | High-power electronic water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110620076.4A CN113137376A (en) | 2021-06-03 | 2021-06-03 | High-power electronic water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113137376A true CN113137376A (en) | 2021-07-20 |
Family
ID=76816090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110620076.4A Pending CN113137376A (en) | 2021-06-03 | 2021-06-03 | High-power electronic water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113137376A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023030600A1 (en) * | 2021-08-30 | 2023-03-09 | Pierburg Pump Technology Gmbh | Electrical automotive liquid pump |
| WO2023131409A1 (en) * | 2022-01-07 | 2023-07-13 | Pierburg Gmbh | Coolant pump for the cooling circuit of a vehicle |
-
2021
- 2021-06-03 CN CN202110620076.4A patent/CN113137376A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023030600A1 (en) * | 2021-08-30 | 2023-03-09 | Pierburg Pump Technology Gmbh | Electrical automotive liquid pump |
| WO2023131409A1 (en) * | 2022-01-07 | 2023-07-13 | Pierburg Gmbh | Coolant pump for the cooling circuit of a vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Address after: No. 8, Xinfeng Hexi Road, Tangshi, Yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province 215600 Applicant after: Jiangsu Langxin Electric Co.,Ltd. Address before: 215600 2 Fuxin Road, Yang Shi Town, Zhangjiagang, Suzhou, Jiangsu Applicant before: JIANGSU LANGXIN ELECTRIC Co.,Ltd. |
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| CB02 | Change of applicant information |