CN117605709A - Electromagnetic shielding electronic water pump and construction method thereof - Google Patents
Electromagnetic shielding electronic water pump and construction method thereof Download PDFInfo
- Publication number
- CN117605709A CN117605709A CN202311826969.XA CN202311826969A CN117605709A CN 117605709 A CN117605709 A CN 117605709A CN 202311826969 A CN202311826969 A CN 202311826969A CN 117605709 A CN117605709 A CN 117605709A
- Authority
- CN
- China
- Prior art keywords
- pump head
- water pump
- pump
- electronic water
- water
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 238000010276 construction Methods 0.000 title abstract description 3
- 239000002184 metal Substances 0.000 claims abstract description 21
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 239000006223 plastic coating Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 13
- 230000004888 barrier function Effects 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
- 230000005670 electromagnetic radiation Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- 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
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
-
- 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
-
- 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
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
-
- 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
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4266—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps made of sheet metal
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/002—Casings with localised screening
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
- H05K9/0084—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a single continuous metallic layer on an electrically insulating supporting structure, e.g. metal foil, film, plating coating, electro-deposition, vapour-deposition
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of electronic water pumps, and provides an electromagnetic shielding electronic water pump and a construction method thereof. The electromagnetic shielding electronic water pump comprises a pump head, a metal pump head body and a plastic layer, wherein the plastic layer wraps the metal pump head body; an impeller disposed inside the pump head; and a stator component having a rotor assembly disposed thereon, wherein the impeller is disposed on the rotor assembly. According to the invention, the metal pump head main body is wrapped in the plastic layer by using the plastic coating process to form the pump head, so that the metal main body of the pump head is isolated from the external environment, electromagnetic radiation and interference can be reduced, and EMC problems possibly existing in the traditional high-pressure electronic water pump are solved. The electronic water pump adopting the structure has lower EMC noise level, and can improve the performance and reliability of the electronic water pump. Meanwhile, the insulating property of the plastic layer can further protect electronic elements in the electronic water pump, and the service life of the electronic water pump is prolonged.
Description
Technical Field
The present invention relates generally to the field of electronic water pumps. In particular, the present invention relates to an electromagnetic shield electronic water pump and a method of constructing the same.
Background
High-pressure electronic water pumps are widely used in the fields of automobiles, industrial equipment, etc., for supplying high-pressure water flow. However, during operation of the high-voltage electronic water pump, the high-voltage electronic water pump may generate electromagnetic interference to adversely affect surrounding electronic devices and systems, thereby causing electromagnetic compatibility (EMC) problems.
To solve the EMC problem of high-voltage electronic water pumps, it is conventional to arrange a metal housing on the pump head for electromagnetic shielding. However, the placement of the metal housing may increase the cost, weight, and manufacturing complexity of the high-pressure electronic water pump. In addition, since the metal casing is not insulated from the coolant, the electronic water pump using the metal casing cannot be applied to the fuel cell cooling system, and it is important to solve the problem of electromagnetic interference in the fuel cell cooling system for the operation of the fuel cell system.
Disclosure of Invention
To at least partially solve the above-mentioned problems in the prior art, the present invention provides a method for constructing an electromagnetic shielding electronic water pump, comprising the steps of:
wrapping the metal pump head main body inside the plastic layer by using a plastic coating process to form a pump head;
disposing the stator component within the housing through a shrink fit;
disposing a water barrier on the stator component and the housing;
the impeller and the flange plate are arranged on the rotor component;
arranging the impeller, the flange plate and the rotor assembly in the water-proof sleeve;
arranging the pump head on the shell through a screw;
disposing a controller at a rear of the housing; and
the cover is arranged on the shell through screws.
The invention also proposes an electromagnetic shielding electronic water pump, constructed according to the method, comprising:
the pump head comprises a metal pump head main body and a plastic layer, wherein the plastic layer wraps the metal pump head main body;
an impeller disposed inside the pump head; and
a stator component having a rotor assembly disposed thereon, wherein the impeller is disposed on the rotor assembly.
In one embodiment of the invention, it is provided that the pump head is provided with a water inlet and a water outlet, wherein the impeller is arranged at the water inlet.
In one embodiment of the invention, it is provided that the electromagnetic shielding electronic water pump further comprises:
a housing connected to the pump head; and
and the cover body is connected with the shell body to surround the cavity.
In one embodiment of the invention, it is provided that the electromagnetic shielding water pump further comprises:
a water barrier disposed between the stator component and the rotor assembly.
In one embodiment of the invention, it is provided that a first end of the water barrier is connected to the pump head and a second end of the water barrier opposite the first end is connected to the cover.
In one embodiment of the invention, it is provided that the electromagnetic shielding water pump further comprises:
and a controller disposed inside the cover, the controller being connected with the rotor assembly, wherein the controller is configured to control a rotational speed of the rotor assembly.
In one embodiment of the invention, it is provided that the electromagnetic shielding water pump further comprises:
and the flange plate is arranged at the joint of the first end of the water blocking sleeve and the pump head to carry out connection sealing.
The invention has at least the following beneficial effects: the invention provides a method for constructing an electromagnetic shielding electronic water pump and the electronic water pump, wherein a plastic coating process is used for coating a metal main body of a pump head in a plastic layer, so that the metal main body of the pump head is isolated from the external environment, electromagnetic radiation and interference can be reduced, and EMC problems possibly existing in the traditional high-pressure electronic water pump are solved. The electronic water pump adopting the structure has lower EMC noise level, and can improve the performance and reliability of the electronic water pump. Meanwhile, the insulating property of the plastic layer can further protect electronic elements in the electronic water pump, and the service life of the electronic water pump is prolonged.
Drawings
To further clarify the advantages and features present in various embodiments of the present invention, a more particular description of various embodiments of the present invention will be rendered by reference to the appended drawings. It is appreciated that these drawings depict only typical embodiments of the invention and are therefore not to be considered limiting of its scope. In the drawings, for clarity, the same or corresponding parts will be designated by the same or similar reference numerals.
Fig. 1 shows a flow diagram of a method of constructing an electromagnetic shield electronic water pump in accordance with one embodiment of the present invention.
Fig. 2 shows an exploded view of an electromagnetic shield electronic water pump in accordance with an embodiment of the present invention.
Fig. 3 shows a schematic cross-sectional view of an electromagnetic shield electronic water pump in accordance with an embodiment of the present invention.
List of reference numerals:
201 pump head, 202 impeller, 203 flange, 204 rotor assembly, 205 water-proof sleeve, 206 stator component, 207 shell, 208 controller, 209 cover.
Detailed Description
It should be noted that the components in the figures may be shown exaggerated for illustrative purposes and are not necessarily to scale. In the drawings, identical or functionally identical components are provided with the same reference numerals.
In the present invention, unless specifically indicated otherwise, "disposed on …", "disposed over …" and "disposed over …" do not preclude the presence of an intermediate therebetween. Furthermore, "disposed on or above" … merely indicates the relative positional relationship between the two components, but may also be converted to "disposed under or below" …, and vice versa, under certain circumstances, such as after reversing the product direction.
In the present invention, the embodiments are merely intended to illustrate the scheme of the present invention, and should not be construed as limiting.
In the present invention, the adjectives "a" and "an" do not exclude a scenario of a plurality of elements, unless specifically indicated.
It should also be noted herein that in embodiments of the present invention, only a portion of the components or assemblies may be shown for clarity and simplicity, but those of ordinary skill in the art will appreciate that the components or assemblies may be added as needed for a particular scenario under the teachings of the present invention. In addition, features of different embodiments of the invention may be combined with each other, unless otherwise specified. For example, a feature of the second embodiment may be substituted for a corresponding feature of the first embodiment, or may have the same or similar function, and the resulting embodiment would fall within the disclosure or scope of the disclosure.
It should also be noted herein that, within the scope of the present invention, the terms "identical", "equal" and the like do not mean that the two values are absolutely equal, but rather allow for some reasonable error, that is, the terms also encompass "substantially identical", "substantially equal". By analogy, in the present invention, the term "perpendicular", "parallel" and the like in the table direction also covers the meaning of "substantially perpendicular", "substantially parallel".
The numbers of the steps of the respective methods of the present invention are not limited to the order of execution of the steps of the methods. The method steps may be performed in a different order unless otherwise indicated.
The invention is further elucidated below in connection with the embodiments with reference to the drawings.
Fig. 1 shows a flow diagram of a method of constructing an electromagnetic shield electronic water pump in accordance with one embodiment of the present invention. As shown in fig. 1, the method comprises the steps of:
step 101, wrapping the metal pump head body inside the plastic layer using an over-molding process to form the pump head 201.
Step 102, disposing the stator component 106 within the housing 207 via a shrink fit.
Step 103, arranging a water barrier 205 on the stator part 206 and the housing 207.
Step 104, disposing the impeller 202 and the flange 203 on the rotor assembly 204.
Step 105, disposing the impeller 202, flange 203, and rotor assembly 204 in the water barrier 205.
Step 106, arranging the pump head 201 on the housing 207 by screws.
Step 107, disposing a controller 208 at the rear of the housing 207.
Step 108, the cover 209 is arranged on the housing 207 by screws.
Fig. 2 shows an exploded view of an electromagnetic shield electronic water pump in accordance with an embodiment of the present invention. As shown in fig. 2, the electromagnetic shielding electronic water pump includes a pump head 201, an impeller 202, a flange 203, a rotor assembly 204, a water blocking sleeve 205, a stator member 206, a housing 207, a controller 208, and a cover 209.
The pump head 201 comprises a metal pump head body and a plastic layer, wherein the plastic layer wraps the metal pump head body. The pump head 201 is provided with a water inlet and a water outlet, wherein the impeller is arranged at the water outlet.
The impeller 201 is arranged inside the pump head 201, in particular the impeller 201 may be arranged at the water inlet.
The rotor assembly 204 is disposed on the stator assembly 209 and the impeller 201 is disposed on the rotor assembly 204.
The housing 207 is connected to the pump head 201.
The cover 209 is connected with the housing 207 to enclose a cavity.
The water barrier 205 is disposed between the stator component 206 and the rotor assembly 204.
A first end of the water blocking sleeve 205 is connected to the pump head 201, and a second end of the water blocking sleeve 205 opposite to the first end is connected to the cover 209.
The controller 208 is arranged inside the cover 209, the controller 208 being connected to the rotor assembly 204, wherein the controller 208 is configured to control the rotational speed of the rotor assembly 204.
The flange 203 is disposed at the junction of the first end of the water barrier 205 and the pump head 201 for a connection seal.
Fig. 3 shows a schematic cross-sectional view of an electromagnetic shield electronic water pump in accordance with an embodiment of the present invention. As shown in fig. 3, the electromagnetic shielding electronic water pump is constructed based on the method for constructing the electromagnetic shielding electronic water pump, wherein a plastic coating process is used to wrap the metal main body 301 of the pump head in the plastic layer 302, so that the metal main body 302 of the pump head is isolated from the external environment, thereby reducing electromagnetic radiation and interference, and solving the possible EMC problem in the traditional high-pressure electronic water pump. The electronic water pump adopting the structure has lower EMC noise level, and can improve the performance and reliability of the electronic water pump. Meanwhile, the insulating property of the plastic layer 302 can further protect electronic components inside the electronic water pump and prolong the service life of the electronic water pump.
While various embodiments of the present invention have been described above, it should be understood that they have been presented by way of example only, and not limitation. It will be apparent to those skilled in the relevant art that various combinations, modifications, and variations can be made therein without departing from the spirit and scope of the invention. Thus, the breadth and scope of the present invention as disclosed herein should not be limited by any of the above-described exemplary embodiments, but should be defined only in accordance with the following claims and their equivalents.
Claims (8)
1. An electromagnetic shielding electronic water pump, comprising:
the pump head comprises a metal pump head main body and a plastic layer, wherein the plastic layer wraps the metal pump head main body;
an impeller disposed inside the pump head; and
a stator component having a rotor assembly disposed thereon, wherein the impeller is disposed on the rotor assembly.
2. The electromagnetic shield water pump of claim 1, wherein the pump head is provided with a water inlet and a water outlet, wherein the impeller is disposed at the water inlet.
3. The electromagnetic shield electronic water pump of claim 1, further comprising:
a housing connected to the pump head; and
and the cover body is connected with the shell body to surround the cavity.
4. The electromagnetic shield water pump of claim 3, further comprising:
a water barrier disposed between the stator component and the rotor assembly.
5. The electromagnetic shield water pump of claim 4, wherein a first end of the water barrier is connected to the pump head and a second end of the water barrier opposite the first end is connected to the cover.
6. The electromagnetic shield water pump of claim 3, further comprising:
and a controller disposed inside the cover, the controller being connected with the rotor assembly, wherein the controller is configured to control a rotational speed of the rotor assembly.
7. The electromagnetic shield water pump of claim 4, further comprising:
and the flange plate is arranged at the joint of the first end of the water blocking sleeve and the pump head to carry out connection sealing.
8. A method of constructing an electromagnetic shield electronic water pump, comprising the steps of:
wrapping the metal pump head main body inside the plastic layer by using a plastic coating process to form a pump head;
disposing the stator component within the housing through a shrink fit;
disposing a water barrier on the stator component and the housing;
the impeller and the flange plate are arranged on the rotor component;
arranging the impeller, the flange plate and the rotor assembly in the water-proof sleeve;
arranging the pump head on the shell through a screw;
disposing a controller at a rear of the housing; and
the cover is arranged on the shell through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311826969.XA CN117605709A (en) | 2023-12-27 | 2023-12-27 | Electromagnetic shielding electronic water pump and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311826969.XA CN117605709A (en) | 2023-12-27 | 2023-12-27 | Electromagnetic shielding electronic water pump and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117605709A true CN117605709A (en) | 2024-02-27 |
Family
ID=89959979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311826969.XA Pending CN117605709A (en) | 2023-12-27 | 2023-12-27 | Electromagnetic shielding electronic water pump and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117605709A (en) |
-
2023
- 2023-12-27 CN CN202311826969.XA patent/CN117605709A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
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