CN113037050A - Water-cooled undercurrent linear motor - Google Patents
Water-cooled undercurrent linear motor Download PDFInfo
- Publication number
- CN113037050A CN113037050A CN202110376660.XA CN202110376660A CN113037050A CN 113037050 A CN113037050 A CN 113037050A CN 202110376660 A CN202110376660 A CN 202110376660A CN 113037050 A CN113037050 A CN 113037050A
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- CN
- China
- Prior art keywords
- undercurrent
- water
- cooling
- cooled
- cooling 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.)
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Motor Or Generator Cooling System (AREA)
- Linear Motors (AREA)
Abstract
The invention discloses a water-cooled undercurrent linear motor, comprising: linear electric motor stator, linear electric motor active cell and water-cooling heat dissipation casing, the linear electric motor active cell sets up in linear electric motor stator top, linear electric motor active cell surface parcel is provided with first epoxy inoxidizing coating, and water-cooling heat dissipation casing cover is established on first epoxy inoxidizing coating, be provided with cooling water inflow undercurrent passageway and cooling water return undercurrent passageway in the water-cooling heat dissipation casing, cooling water inflow undercurrent passageway links to each other with cooling water return undercurrent passageway is direct or indirect. Through the mode, according to the water-cooled undercurrent linear motor, heat energy generated by the linear motor is transmitted to the first epoxy resin protective layer, and then is transmitted to the water-cooled heat dissipation shell and air on the exposed surface of the first epoxy resin protective layer through the first epoxy resin protective layer, so that the linear motor can dissipate heat quickly, and potential safety hazards caused by leakage are avoided.
Description
Technical Field
The invention relates to the field of linear motors, in particular to a water-cooled undercurrent linear motor.
Background
The linear motor can provide rapid linear motion and is widely applied to industries such as nonstandard automation, semiconductors and the like. The linear motor generates heat in the process of reciprocating linear motion, and the temperature rise of the linear motor is an important parameter influencing the performance of the linear motor. In the design process of the linear motor heat dissipation system, data obtained through precision calculation are theoretical data, and have certain difference with actual parameters, and actually, the linear motor radiating effect is poor, the load capacity is little, the positioning accuracy is low, the condition such as operation unstability is more general, and the performance is low, when original linear motor product can not reach the demand performance, change the linear motor of bigger specification usually and just can reach the demand, but because the restriction of installation space, the linear motor of bigger specification can not put into original mounted position.
The linear motor has two types of heat dissipation of wind cooling and water cooling, the wind cooling is low in efficiency, and under the application conditions of large driving load and high response speed, the original linear motor is easy to shut down due to temperature rise and needs water cooling. Application number 201721720310.6 discloses in the utility model patent a dull and stereotyped linear electric motor, keep away from secondary one side at the iron core and be formed with many installation copper or the mounting groove of aluminium system cooling tube, copper or aluminium system cooling tube are connected to water cooling plant again, have adopted the cooling tube to lead to water and have cooled off, and the cooling tube is limited with linear electric motor's area of contact, and the radiating efficiency is low, can produce the potential safety hazard after the cooling tube seepage moreover, needs the improvement.
Disclosure of Invention
The invention mainly solves the technical problem of providing a water-cooled undercurrent linear motor, which realizes high-efficiency water-cooling heat dissipation of the linear motor and improves the use safety.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is a water-cooled undercurrent linear motor, including: linear electric motor stator, linear electric motor active cell and water-cooling heat dissipation casing, the linear electric motor active cell sets up in linear electric motor stator top, linear electric motor active cell surface parcel is provided with first epoxy inoxidizing coating, and water-cooling heat dissipation casing cover is established on first epoxy inoxidizing coating, be provided with cooling water inflow undercurrent passageway and cooling water return undercurrent passageway in the water-cooling heat dissipation casing, cooling water inflow undercurrent passageway links to each other with cooling water return undercurrent passageway is direct or indirect.
In a preferred embodiment of the invention, a cooling water circulating pipe is arranged between the cooling water inlet subsurface flow channel and the cooling water return subsurface flow channel for series connection.
In a preferred embodiment of the present invention, the cooling water inlet subsurface flow channel and the cooling water return subsurface flow channel respectively extend along a length direction of the water-cooled heat dissipation housing.
In a preferred embodiment of the present invention, the water-cooling heat dissipation housing is covered on the top surface and two sides of the linear motor rotor, and the cross section is a C-shaped structure.
In a preferred embodiment of the invention, the number of the cooling water inlet subsurface flow channels and the number of the cooling water return subsurface flow channels are respectively at least 1.
In a preferred embodiment of the invention, the end part of the cooling water inlet subsurface flow channel is provided with a water inlet pipe joint, and the end part of the cooling water return subsurface flow channel is provided with a water return pipe joint.
In a preferred embodiment of the present invention, the water-cooling heat dissipation housing is an aluminum alloy integrated structure.
In a preferred embodiment of the invention, the surface of the linear motor stator is wrapped and provided with a second epoxy resin protective layer.
The invention has the beneficial effects that: the invention discloses a water-cooled undercurrent linear motor, which is characterized in that a first epoxy resin protective layer and a water-cooled heat dissipation shell are specially designed, the first epoxy resin protective layer wrapped by encapsulation can achieve good thermal conductivity and sealing performance, heat energy generated by the linear motor is transmitted to the first epoxy resin protective layer, and then is transmitted to the water-cooled heat dissipation shell and air on the exposed surface of the first epoxy resin protective layer through the first epoxy resin protective layer.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural diagram of a water-cooled undercurrent linear motor according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural view of a mover of the linear motor of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 2, an embodiment of the present invention includes:
the water-cooled undercurrent linear motor shown in fig. 1 comprises: linear motor stator 1, linear motor active cell 9 and water-cooling heat dissipation casing 2, linear motor active cell 9 sets up in linear motor stator 1 top, and linear motor active cell 9 surface parcel is provided with first epoxy inoxidizing coating 8, and first epoxy inoxidizing coating 8 through the embedment parcel can play good heat conductivity and sealing performance, and the heat energy that linear motor active cell 9 produced will be given first epoxy inoxidizing coating 8 for the transmission, carries out thermal diffusion, reduces local overheated problem.
In addition, can be provided with second epoxy resin inoxidizing coating 4 in linear electric motor stator 1 surface parcel, carry out linear electric motor stator 1's sealed, avoid the seepage problem, promoted linear electric motor's safety in utilization. In this embodiment, as shown in fig. 1, the cable 7 of the linear motor mover 9 penetrates one end of the first epoxy protection layer 8 and extends to the outside thereof, so as to facilitate connection.
In this embodiment, the water-cooling heat dissipation housing 2 is of an aluminum alloy integrated structure, and has light dead weight and good heat conduction and heat dissipation effects. The water-cooling radiating shell 2 is covered on the first epoxy resin protective layer 8, heat of the first epoxy resin protective layer 8 is transferred to the water-cooling radiating shell 2, heat conduction and radiating effects are enhanced, and heat generated by the linear motor rotor 9 is transferred to the water-cooling radiating shell 2 and air on the exposed surface of the first epoxy resin protective layer 8 through the first epoxy resin protective layer 8 to avoid heat accumulation.
As shown in fig. 2, a cooling water inlet latent flow channel 21 and a cooling water return latent flow channel 22 are provided in the water-cooled heat dissipation housing 2, and the cooling water inlet latent flow channel 21 and the cooling water return latent flow channel 22 are directly or indirectly connected to form a circulation loop. The end part of the cooling water inlet undercurrent channel 21 is provided with a water inlet pipe joint 5, the end part of the cooling water return undercurrent channel 22 is provided with a water return pipe joint 6, the water inlet pipe joint 5 and the water return pipe joint 6 are connected with a water cooling machine through hoses to form a circulating water path, 5-degree cooling water in the water cooling machine enters the cooling water inlet undercurrent channel 21 through the water inlet pipe joint 5, and after taking away heat of the water cooling heat dissipation shell 2, the cooling water returns to the water cooling machine from the water return pipe joint 6, and rapid water cooling of the water cooling heat dissipation shell 2 is realized.
The quantity of cooling water inflow undercurrent passageway 21 and cooling water return undercurrent passageway 22 is 1 respectively at least, can be a plurality of, forms multiunit cooling circuit, and cooling water inflow undercurrent passageway 21 and cooling water return undercurrent passageway 22 extend along the length direction of water-cooling heat dissipation casing 2 respectively moreover, can adopt the through-hole structure, conveniently carry out the clearance maintenance of incrustation scale.
In this embodiment, because the wall thickness of the water-cooling heat dissipation casing 2 is limited, the number of the cooling water inlet underflow channel 21 and the cooling water return underflow channel 22 is 1, and the channels are symmetrically distributed in the inner wall of the edge of the top of the water-cooling heat dissipation casing 2, so that the wall thickness is increased at the edges of the two sides of the top of the water-cooling heat dissipation casing 2, the structural strength is improved, the processing and forming of the cooling water inlet underflow channel 21 and the cooling water return underflow 22 are facilitated, and the leakage problem is avoided.
In the embodiment, the cooling water circulating pipe 3 is arranged between the cooling water inlet underflow channel 21 and the cooling water return underflow channel 22 to form a loop, and the cooling water enters the cooling water circulating pipe 3 from the cooling water inlet underflow channel 21 and then enters the cooling water return underflow channel 22 from the cooling water circulating pipe 3, so that the cooling path is prolonged, and the utilization rate of the cooling water is improved. As shown in fig. 1, the cooling water circulation pipe 3 is exposed to the air, and performs air-cooling heat dissipation as the linear motor mover 9 moves.
As shown in fig. 2, the water-cooling heat dissipation housing 2 is covered on the top surface and both sides of the linear motor mover 9, and has a C-shaped cross section, thereby reducing the cost. The inboard of the water-cooling casing 2 is provided with draw-in groove 23, and the 8 outsides of first epoxy inoxidizing coating are provided with the location strip 81 that extends to in the draw-in groove, and location strip 81 has strengthened being connected and heat conduction with water-cooling casing 2 when the embedment with the integrated into one piece of first epoxy inoxidizing coating 8, reduces the clearance, and structural stability is higher.
In conclusion, the water-cooled undercurrent linear motor provided by the invention has the advantages that the performance stability of the original linear motor is improved through the enhancement of the cooling effect, the problem of high temperature rise is avoided, the application conditions of large driving load and high response speed are met, the linear motor with a larger size does not need to be replaced, and the operation and maintenance cost is reduced.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, or direct or indirect applications in other related fields, which are made by the contents of the present specification, are included in the scope of the present invention.
Claims (8)
1. A water-cooled undercurrent linear motor is characterized by comprising: linear electric motor stator, linear electric motor active cell and water-cooling heat dissipation casing, the linear electric motor active cell sets up in linear electric motor stator top, linear electric motor active cell surface parcel is provided with first epoxy inoxidizing coating, water-cooling heat dissipation casing cover is established on first epoxy inoxidizing coating, be provided with cooling water inflow undercurrent passageway and cooling water return undercurrent passageway in the water-cooling heat dissipation casing, cooling water inflow undercurrent passageway links to each other with cooling water return undercurrent passageway is direct or indirect.
2. The water-cooled undercurrent linear motor according to claim 1, wherein a cooling water circulating pipe is arranged between the cooling water inlet undercurrent channel and the cooling water return undercurrent channel to be connected in series.
3. The water-cooled undercurrent linear motor according to claim 1, wherein the cooling water inlet undercurrent channel and the cooling water return undercurrent channel extend along the length direction of the water-cooled heat dissipation shell respectively.
4. The water-cooled undercurrent linear motor according to claim 1, wherein said water-cooled heat dissipation casing is covered on the top surface and both sides of the linear motor mover, and has a C-shaped cross section.
5. The water-cooled undercurrent linear motor according to claim 1, wherein the number of said cooling water inlet undercurrent channel and cooling water return undercurrent channel is at least 1 respectively.
6. The water-cooled undercurrent linear motor according to claim 1, wherein the end of the cooling water inlet undercurrent channel is provided with a water inlet pipe joint, and the end of the cooling water return undercurrent channel is provided with a water return pipe joint.
7. The water-cooled undercurrent linear motor according to claim 1, wherein the water-cooled heat dissipation casing is of an aluminum alloy integrated structure.
8. The water-cooled undercurrent linear motor according to claim 1, wherein the surface of the stator of the linear motor is wrapped with a second epoxy resin protective layer.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110376660.XA CN113037050A (en) | 2021-04-08 | 2021-04-08 | Water-cooled undercurrent linear motor |
PCT/CN2021/099539 WO2022213476A1 (en) | 2021-04-08 | 2021-06-11 | Water-cooled undercurrent linear electric motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110376660.XA CN113037050A (en) | 2021-04-08 | 2021-04-08 | Water-cooled undercurrent linear motor |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113037050A true CN113037050A (en) | 2021-06-25 |
Family
ID=76454166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110376660.XA Withdrawn CN113037050A (en) | 2021-04-08 | 2021-04-08 | Water-cooled undercurrent linear motor |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN113037050A (en) |
WO (1) | WO2022213476A1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5783877A (en) * | 1996-04-12 | 1998-07-21 | Anorad Corporation | Linear motor with improved cooling |
JP4556229B2 (en) * | 2000-11-21 | 2010-10-06 | 株式会社安川電機 | Coreless linear motor |
JP2008259323A (en) * | 2007-04-05 | 2008-10-23 | Fanuc Ltd | Combination of linear motor cooling components |
DE102019114890A1 (en) * | 2019-06-03 | 2020-12-03 | Hiwin Mikrosystem Corp. | Cooling mechanism between a linear motor rotor and its combined platform |
-
2021
- 2021-04-08 CN CN202110376660.XA patent/CN113037050A/en not_active Withdrawn
- 2021-06-11 WO PCT/CN2021/099539 patent/WO2022213476A1/en active Application Filing
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WO2022213476A1 (en) | 2022-10-13 |
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Application publication date: 20210625 |