CN113137375A - Heat radiation structure of electronic water pump - Google Patents
Heat radiation structure of electronic water pump Download PDFInfo
- Publication number
- CN113137375A CN113137375A CN202110620064.1A CN202110620064A CN113137375A CN 113137375 A CN113137375 A CN 113137375A CN 202110620064 A CN202110620064 A CN 202110620064A CN 113137375 A CN113137375 A CN 113137375A
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- spacer
- water pump
- shell
- gland
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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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
- 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
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- 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 heat dissipation structure of an electronic water pump, which comprises a machine shell with an opening at one end and a bottom plate at one end, wherein an upper cover is arranged at the opening end of the machine shell; and a spacer bush supporting and positioning structure is arranged on the bottom plate positioned in the shell and is communicated with the inside of the spacer bush sealing assembly. The rotor subassembly drives the impeller rotatory, the impeller drives cooling fluid such as coolant liquid and carries out the circulation flow, the coolant liquid gets into the inside of the sealed assembly of spacer, and flow rather than the spacer support location structure of intercommunication in, and then can take away the heat on the bottom plate, thereby through the heat exchange principle, realize the cooling of casing and circuit board, the radiating efficiency has been improved greatly, for realizing doing powerful water pump and providing good condition, and simultaneously, the high temperature has been solved and the potential safety hazard big problem in leading to water pump stop work and vehicle to go.
Description
Technical Field
The invention belongs to the technical field of electronic water pumps, and particularly relates to a heat dissipation structure of an electronic water pump.
Background
At present, the electronic water pump casing and the circuit board thereon dissipate heat: the cooling is realized through the flow of the radiating fins and the gas arranged on the casing, 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, and in addition, the electronic water pump is limited by the problems and cannot be used as a high-power (100W and above) water pump.
Disclosure of Invention
The invention provides a heat dissipation structure of an electronic water pump, which aims to achieve the purposes of improving heat dissipation efficiency and being capable of being used as a high-power water pump.
In order to solve the technical problems, the technical scheme of the invention is as follows: a heat dissipation structure of an electronic water pump comprises a machine shell with an open end and a bottom plate at one end, wherein an upper cover is installed at the open end of the machine shell, the heat dissipation structure further comprises a spacer bush sealing assembly used for installing an impeller of the electronic water pump, one end of the spacer bush sealing assembly is clamped by the upper cover and the machine shell, and the other end of the spacer bush sealing assembly extends towards the direction of the bottom plate;
and the bottom plate positioned in the shell is provided with a spacer sleeve supporting and positioning structure, and the spacer sleeve supporting and positioning structure is provided with a fluid flowing groove communicated with the inside of the spacer sleeve sealing assembly.
As an improvement, the spacer sleeve supporting and positioning structure comprises a positioning convex block arranged on the bottom plate, a fluid flowing groove is arranged in the positioning convex block, and a plurality of supporting and positioning steps are arranged on the positioning convex block positioned in the fluid flowing groove.
As a further improvement, the cross section of the positioning boss is circular; the supporting and positioning step is an annularly extending step.
As a further improvement, the spacer sealing assembly comprises a spacer body abutting against the supporting and positioning step, one end of the spacer body is inserted into and sealed in the fluid flowing groove on the positioning bump, and the spacer body is provided with a plurality of through holes which are communicated with the inside of the spacer body and the fluid flowing groove;
the other end of the spacer body is provided with a gland, the gland is clamped between the upper cover and the casing, and sealing elements are arranged between the gland and the upper cover and the casing.
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 further improvement, the bottom plate and the casing are of an integrally formed structure, and both the bottom plate and the casing are made of metal materials; or the bottom plate and the shell are made of plastic materials.
As a further improvement, the bottom plate and the machine shell are of a split molding structure, and the bottom plate and the machine shell are sleeved, matched and fixedly connected together;
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 one of the bottom plate and the shell is made of a metal material.
After the technical scheme is adopted, the invention has the effects that:
the heat dissipation structure of the electronic water pump comprises a casing with one end open and one end provided with a bottom plate, wherein the open end of the casing is provided with an upper cover, the electronic water pump also comprises a spacer bush sealing assembly used for mounting an impeller of the electronic water pump, one end of the spacer bush sealing assembly is clamped by the upper cover and the casing, and the other end of the spacer bush sealing assembly extends towards the direction of the bottom plate; based on the structure, when the heat dissipation structure of the electronic water pump is used, the rotor assembly (positioned in the spacer seal assembly) drives the impeller to rotate, the impeller can drive cooling fluid such as cooling liquid to circularly flow, and in the process of circulating the cooling liquid, the cooling liquid enters the inside of the spacer seal assembly and enters the fluid flow groove in the spacer support positioning structure communicated with the impeller to circularly flow, so that heat on the bottom plate can be taken away, because the bottom plate is arranged on the shell and the circuit board is arranged on the bottom plate, the temperature of the shell and the circuit board is reduced by a contact heat exchange principle, and the heat dissipation efficiency is greatly improved compared with the traditional air heat conduction, the high-power water pump has the advantages that good conditions are provided for realizing the high-power water pump, and meanwhile, the problems that the water pump stops working due to overhigh temperature and the potential safety hazard is large during vehicle running are solved.
The spacer sleeve supporting and positioning structure comprises a positioning lug arranged on the bottom plate, a fluid flow groove is arranged in the positioning lug, and a plurality of supporting and positioning steps are arranged on the positioning lug positioned in the fluid flow groove, so that a space for cooling liquid to flow circularly is provided by the fluid flow groove on the positioning lug, heat on the shell and the bottom plate is taken away in the flow, and further the circuit board is cooled and radiated, and the spacer sleeve supporting and positioning structure is simple in structure, convenient to form and good in radiating effect; the spacer sealing assembly is convenient to support and position through the supporting and positioning step, and meanwhile, the sealing element is convenient to be arranged between the spacer sealing assembly and the positioning lug, so that the cooling liquid is effectively prevented from entering the mounting area of the stator assembly.
The cross section of the positioning boss is circular, so that the positioning boss can be matched with the shape of an inner hole of the stator assembly, and the stator assembly and the positioning boss are conveniently assembled in a sleeved mode; because the supporting and positioning step is the step extending annularly, the supporting effect on the spacer bush sealing assembly is good, and the sealing effect is favorably improved.
Because the spacer sealing assembly comprises a spacer body which is abutted against the supporting and positioning step, one end of the spacer body is inserted and sealed in the fluid flowing groove on the positioning lug, and the spacer body is provided with a plurality of through holes which are communicated with the inside of the spacer body and the fluid flowing groove; the other end of the spacer body is provided with a gland, the gland is clamped between the upper cover and the casing, and sealing elements are arranged between the gland and the upper cover and between the gland and the casing, so that the fixation and sealing of one end of the spacer body are realized through the matching of the supporting and positioning step and the spacer body, the fixation and sealing of the gland end on the spacer body are realized through the clamping of the upper cover and the casing, when cooling liquid flows circularly, the cooling liquid enters the inside of the spacer body through the gland, then enters the fluid flowing groove through the through hole, conditions are provided for improving the heat dissipation efficiency, meanwhile, the flowing cooling liquid cools the spacer body and the gland, the heat of the upper cover and the casing can be taken away, the heat dissipation is facilitated, the structure is simple, the fixation and sealing effect of the spacer sealing assembly is good, and the auxiliary heat dissipation effect is achieved.
Because spacer body and gland are integrated into one piece structure, simple structure, the rapid Assembly of being convenient for.
Because spacer body and gland are components of a whole that can function independently structure, the end suit of gland and spacer body is in the same place, and clamp the cooperation, and is equipped with sealing element between gland and the spacer body, and the spacer body is made for the plastics material, and the gland is made for the metal material, not only is convenient for machine-shaping, effectively reduced the cost moreover, guaranteed the radiating effect, simultaneously, guaranteed the life by the centre gripping gland.
The bottom plate and the shell are of an integrally formed structure and are made of metal materials; or the bottom plate and the machine shell are made of plastic materials, so that the integrated structure is convenient to form and favorable for heat dissipation.
The bottom plate and the shell are in a split molding structure, and are sleeved and matched and fixedly connected together; 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, 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 (a chassis and a bottom plate are an integral structure) of a first embodiment of the invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is an enlarged view of B in FIG. 1;
FIG. 4 is a schematic structural diagram of a second embodiment of the present invention (the housing and the bottom plate are in a split structure);
wherein, 1-a machine shell; 101-a base plate; 2-covering the upper cover; 3-positioning the bump; 301-a fluid flow slot; 302-supporting a positioning step; 4-spacer body; 401-sealing ring; 402-a via; 403-gland; 404-a sealing element; 405-convex ring; 406-card slot; 5-circuit board.
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 3, a heat dissipation structure of an electronic water pump includes a casing 1 (a circuit board 5 is mounted on the bottom plate 1) having an open end and a bottom plate 101 at one end, an upper cover 2 (both of which are provided with flange structures) is mounted at the open end of the casing 1, and a spacer sealing assembly for mounting an impeller of the electronic water pump, wherein one end of the spacer sealing assembly is clamped by the upper cover 2 and the casing 1, and the other end of the spacer sealing assembly extends towards the bottom plate 1; and a spacer sleeve supporting and positioning structure is arranged on the bottom plate 101 positioned in the machine shell 1 and is communicated with the inside of the spacer sleeve sealing assembly.
The spacer sleeve supporting and positioning structure comprises a positioning lug 3 arranged on a bottom plate 101, a fluid flowing groove 301 is arranged in the positioning lug 3, a plurality of supporting and positioning steps 302 are arranged on the positioning lug 3 positioned in the fluid flowing groove 301, preferably, the cross section of the positioning lug 3 is circular, and the supporting and positioning steps 302 are annularly extending steps.
The spacer sealing assembly comprises a spacer body 4 which is abutted against a supporting and positioning step 302, one end of the spacer body 4 is inserted and sealed in a fluid flowing groove 302 on a positioning lug 3 through a sealing ring 401, a plurality of through holes 402 are arranged on the spacer body 4, and the through holes 402 are communicated with the inside of the spacer body 4 and the fluid flowing groove 301; the other end of the spacer body 4 is provided with a gland 403, the gland 403 is clamped between the upper cover 2 and the casing 1, and a sealing element 404 (such as a sealing ring) is arranged between the gland 403 and the upper cover 2 and the casing 1.
In this embodiment, the spacer body 4 and the gland 403 are integrally formed.
The spacer body 4 and the gland 403 can also be of a split structure, the spacer body 4 is made of plastic material, and the gland 403 is made of metal material; the end parts of the gland 403 and the spacer body 4 are sleeved together and are in clamping fit, and a sealing element 404 is arranged between the gland 403 and the spacer body 4, and the structure in the figure is as follows: the gland 403 is provided with a convex ring 405 bent towards the direction of the spacer body 4, the end of the spacer body 4 is provided with a clamping groove 406 matched with the convex ring, the convex ring 405 is inserted into the clamping groove 406 and forms a clamping fit relationship, and the sealing element 404 is arranged in the clamping groove 406 and is positioned between the convex ring 405 and the spacer body 4 (see fig. 2).
The bottom plate 101 and the casing 1 are of an integrally formed structure, and the bottom plate 101 and the casing 1 are both made of metal materials; alternatively, the bottom 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. 4, the bottom plate 101 and the casing 1 are formed separately, and the bottom plate 101 and the casing 1 are fitted and fixedly connected together by a connecting member such as a bolt (see fig. 2); the bottom plate 101 and the casing 1 are made of metal materials; or, the bottom plate 101 and the casing 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.
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 (9)
1. The utility model provides an electronic pump's heat radiation structure, includes that one end is uncovered, one end is equipped with the casing of bottom plate, the upper cover, its characterized in that are installed to the opening end of casing: the electronic water pump impeller assembly comprises an upper cover, a shell and a spacer bush sealing assembly, wherein the upper cover is used for supporting the shell, the spacer bush sealing assembly is used for mounting an electronic water pump impeller, one end of the spacer bush sealing assembly is clamped by the upper cover and the shell, and the other end of the spacer bush sealing assembly extends towards the direction of the bottom plate;
and the bottom plate positioned in the shell is provided with a spacer sleeve supporting and positioning structure, and the spacer sleeve supporting and positioning structure is provided with a fluid flowing groove communicated with the inside of the spacer sleeve sealing assembly.
2. The heat dissipation structure of an electronic water pump as claimed in claim 1, wherein: the spacer bush supporting and positioning structure comprises a positioning lug arranged on the bottom plate, a fluid flow groove is arranged in the positioning lug, and a plurality of supporting and positioning steps are arranged on the positioning lug in the fluid flow groove.
3. The heat dissipation structure of an electronic water pump as claimed in claim 2, wherein: the cross section of the positioning boss is circular; the supporting and positioning step is an annularly extending step.
4. The heat dissipation structure of an electronic water pump as defined in claim 3, wherein: the spacer sealing assembly comprises a spacer body which is abutted against the supporting and positioning step, one end of the spacer body is inserted and sealed in the fluid flowing groove on the positioning lug, the spacer body is provided with a plurality of through holes, and the through holes are communicated with the inside of the spacer body and the fluid flowing groove;
the other end of the spacer body is provided with a gland, the gland is clamped between the upper cover and the casing, and sealing elements are arranged between the gland and the upper cover and the casing.
5. The heat dissipation structure of an electronic water pump as defined in claim 4, wherein: the spacer sleeve body and the gland are of an integrally formed structure.
6. The heat dissipation structure of an electronic water pump as defined in claim 4, wherein: the spacer body and the gland are of split structures, 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.
7. The heat dissipation structure of an electronic water pump as defined in claim 6, wherein: the spacer sleeve body is made of a plastic material, and the gland is made of a metal material.
8. The heat dissipation structure of an electronic water pump as claimed in any one of claims 1 to 7, wherein: the bottom plate and the shell are of an integrally formed structure, and both the bottom plate and the shell are made of metal materials; or the bottom plate and the shell are made of plastic materials.
9. The heat dissipation structure of an electronic water pump as claimed in any one of claims 1 to 7, wherein: the bottom plate and the machine shell are of a split forming structure, and the bottom plate and the machine shell are sleeved, matched and fixedly connected together;
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 one of the bottom plate and the shell is made of a metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110620064.1A CN113137375A (en) | 2021-06-03 | 2021-06-03 | Heat radiation structure of electronic water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110620064.1A CN113137375A (en) | 2021-06-03 | 2021-06-03 | Heat radiation structure of electronic water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113137375A true CN113137375A (en) | 2021-07-20 |
Family
ID=76816058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110620064.1A Pending CN113137375A (en) | 2021-06-03 | 2021-06-03 | Heat radiation structure of electronic water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113137375A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776586A (en) * | 2022-04-06 | 2022-07-22 | 黄山艾肯机械制造有限公司 | A3NK-Z high-pressure machine tool cooling pump |
-
2021
- 2021-06-03 CN CN202110620064.1A patent/CN113137375A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776586A (en) * | 2022-04-06 | 2022-07-22 | 黄山艾肯机械制造有限公司 | A3NK-Z high-pressure machine tool cooling pump |
| CN114776586B (en) * | 2022-04-06 | 2023-12-26 | 黄山艾科装备科技有限公司 | A3NK-Z high-pressure machine tool cooling pump |
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| 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. |