CN218976510U - Water-cooled motor - Google Patents
Water-cooled motor Download PDFInfo
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- CN218976510U CN218976510U CN202223363931.7U CN202223363931U CN218976510U CN 218976510 U CN218976510 U CN 218976510U CN 202223363931 U CN202223363931 U CN 202223363931U CN 218976510 U CN218976510 U CN 218976510U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model discloses a water-cooled motor, which comprises a motor, wherein the motor comprises a front end cover, a machine barrel and a rear end cover, the center of the front end cover is provided with a front bearing mounting groove, a front cooling cavity is arranged in the front end cover around the front bearing mounting groove, and a front water inlet hole and a front water outlet hole are communicated in the front cooling cavity; the center of the rear end cover is provided with a rear bearing mounting groove, a rear cooling cavity is arranged in the rear end cover around the rear bearing mounting groove, and the rear cooling cavity is communicated with a rear water inlet hole and a rear water outlet hole; the machine barrel is internally provided with a cooling channel, the cooling channel is provided with an inlet and an outlet, the inlet is correspondingly matched with the front water outlet, and the outlet is correspondingly matched with the rear water inlet. According to the utility model, the front end cover, the rear end cover and the inner structure of the machine barrel are adjusted, and the water cooling channels, namely the front cooling cavity, the cooling channels and the rear cooling cavity are arranged, so that the bearings in the front end cover, the bearings in the rear end cover and the machine barrel of the motor are comprehensively cooled, and the motor has the advantages of small size, low manufacturing cost and low energy consumption.
Description
Technical Field
The utility model belongs to the technical field of water cooling, and particularly relates to a water-cooled motor.
Background
The pump is a device for pressurizing and remotely conveying liquid medium, and the structure of the pump generally comprises a pump body and a motor, wherein an impeller is arranged in the pump body and is driven by the motor to rotate, so that the liquid entering the pump body is pressurized. In this process, the motor can produce certain heat, if heat can't in time be dispelled, then can influence the life-span of motor, if: the lubricating oil of the bearing on the motor rotating shaft can evaporate, so that the bearing is invalid; too high a temperature results in motor burn-in, etc. Therefore, the motor is generally provided with a fan, but the motor realizing heat dissipation through the fan can ensure that the working temperature of the motor is in a proper range under the condition of smaller power, if the motor is high-power, the motor cannot be ensured to work normally, so that water cooling water pumps appear on the market, such as: pump in pipe, the effect of water-cooling, the timely giving off of heat that can be faster, more efficient to the motor production of water pump during operation to guarantee the normal work of motor, but this kind of water pump, holistic volume is great, and the cost is high, and the energy consumption of motor is higher, and the cost is increased, and the feature of environmental protection is also relatively poor. Therefore, how to design a water pump with low cost, low energy consumption and good cooling effect becomes a problem to be solved in industry.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a water-cooled motor, which can cool the motor for the water pump in an omnibearing way on the premise of ensuring the power and low energy consumption of the motor, thereby realizing the purposes of low cost, low energy consumption and good cooling effect.
The technical scheme adopted for solving the technical problems is as follows:
the utility model discloses a water-cooled motor, which comprises a motor, wherein the motor comprises a front end cover, a machine barrel and a rear end cover, a front bearing mounting groove is formed in the center of the front end cover, a front cooling cavity is formed in the front end cover around the front bearing mounting groove, and a front water inlet hole and a front water outlet hole are formed in the front cooling cavity in a penetrating mode; the center of the rear end cover is provided with a rear bearing mounting groove, a rear cooling cavity is arranged in the rear end cover around the rear bearing mounting groove, and a rear water inlet hole and a rear water outlet hole are communicated with the rear cooling cavity; the machine barrel is internally provided with a cooling channel, the cooling channel is provided with an inlet and an outlet, the inlet is correspondingly matched with the front water outlet, and the outlet is correspondingly matched with the rear water inlet; the front water inlet hole and the rear water outlet hole are respectively communicated with a water cooling circulation device.
Compared with the prior art, the water-cooled structure has the advantages that the front end cover, the rear end cover and the inner structure of the machine barrel are adjusted, and the water-cooled channels, namely the front cooling cavity, the cooling channels and the rear cooling cavity, are arranged, so that the bearings in the front end cover, the bearings in the rear end cover and the machine barrel of the motor are cooled in an all-round manner, and the motor has the advantages of small size, low manufacturing cost and low energy consumption under the premise of the same output power of the motor.
The water cooling circulation device is a pump body of the water pump, the pump body is provided with a water inlet, a water outlet and a pressurized water channel communicated with the water inlet and the water outlet, the front water inlet is connected to the water outlet through a water pipe, and the rear water inlet is connected to the water inlet through a water pipe.
The water in the water cooling channel is rapidly circulated by the principle that the water inlet is provided with negative pressure and the water outlet is provided with high pressure, so that the water cooling effect is greatly improved.
The water cooling circulation device comprises a water tank and an evaporator, wherein a liquid inlet of an evaporation pipe of the evaporator is connected with the water tank through a pipeline, a liquid outlet is connected with a front water inlet hole through a pipeline, and a rear water outlet hole is connected to the water tank through a pipeline.
The water in the water cooling channel is rapidly circulated through the external water cooling circulation device, so that the water cooling channel is suitable for a motor for a large water pump; the cooling liquid can be filled in the water tank, so that the cooling effect on the motor is better.
The machine barrel comprises an inner barrel body and an outer barrel body, a hollow layer is arranged between the inner barrel body and the outer barrel body, a plurality of ribs which are distributed at intervals in parallel are arranged in the hollow layer, the upper surface and the lower surface of each rib are respectively and tightly attached to the inner wall of the outer barrel body and the outer wall of the inner barrel body, and two adjacent ribs are staggered left and right along the length direction, so that a cooling channel which is in an S shape is formed between the two adjacent ribs.
The ribs are parallel to the axis of the barrel.
The S-shaped cooling channel can cover the surface area of the machine barrel to the greatest extent, so that the heat dissipation area is greatly increased, and the heat dissipation effect of the machine barrel is greatly improved; the linear ribs parallel to the axis of the machine barrel can enable the width of the cooling channel to be designed smaller and denser, and the heat dissipation efficiency is higher.
The front cooling cavity and the rear cooling cavity are both open annular cavities, and at least one bulge is arranged in each cavity.
The convex design can improve the residence time of water in unit area, and also improve the heat dissipation areas of the front cooling cavity and the rear cooling cavity, thereby greatly improving the heat dissipation effect.
The beneficial effects of the utility model are as follows:
compared with the prior art, the water-cooled motor of the structure of the utility model can timely dissipate heat generated during motor operation by pouring circulating water into the water-cooled channel formed by the front cooling cavity, the cooling channel and the rear cooling cavity, namely: the heat generated during the operation of the motor comes from the front bearing position, the stator rotor position and the rear bearing position, so the utility model carries out targeted design on the three positions, cooling water firstly enters the front cooling cavity of the front end cover through the front water inlet hole, the front cooling cavity is C-shaped, the size of the opening is made as small as possible, and the front bearing mounting groove is surrounded to the greatest extent, thereby improving the heat dissipation effect of the front end cover; when cooling water flows through the front cooling cavity, the cooling water is discharged from the front water outlet hole, the front end cover is in sealing fit with the front end face of the machine barrel, and the inlet of the cooling channel in the machine barrel is in opposite connection with the front water outlet hole, so that the cooling water smoothly enters the cooling channel, and through the S-shaped cooling channel, the cooling water covers and flows on the surface of the inner barrel of the machine barrel, finally, the cooling water is discharged from the outlet, and as the rear end cover is in sealing fit with the rear end face of the machine barrel, and the rear water inlet hole of the rear end cover is in opposite connection with the outlet, the cooling water enters the rear cooling cavity of the rear end cover, and the structure of the rear cooling cavity is similar to that of the front cooling cavity, so that the cooling water entering the rear cooling cavity can timely take away heat generated by the rear bearing; the cooling water flowing to the position entrains heat generated by the whole motor, reaches the position of the rear water outlet hole, and is discharged out of the motor, so that the heat is finally taken away, the working temperature of the motor is reduced, the working efficiency is improved, and the normal work of the motor is ensured.
Drawings
FIG. 1 is a cross-sectional view of the present utility model;
FIG. 2 is a perspective view of the present utility model;
FIG. 3 is an exploded perspective view of the present utility model;
FIG. 4 is a cross-sectional plan view of the front end cap of the present utility model;
FIG. 5 is a cutaway perspective view of the front end cap of the present utility model;
FIG. 6 is a perspective view of the front end cap of the present utility model;
FIG. 7 is a cross-sectional plan view of the rear end cap of the present utility model;
FIG. 8 is a perspective view of the rear end cap of the present utility model;
FIG. 9 is a perspective view of one view of the barrel of the present utility model;
FIG. 10 is a perspective view of another view of the barrel of the present utility model;
fig. 11 is a perspective view of the external water cooling circulation device of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
referring to fig. 1 to 11, the present utility model provides a water-cooled motor, which comprises a motor 1, the motor 1 comprises a front end cover 2, a machine barrel 3 and a rear end cover 4, a front bearing mounting groove 5 is arranged in the center of the front end cover 2, a front bearing is arranged in the groove, the front end of a rotating shaft of the motor 1 is inserted into the front bearing, when the motor 1 works, an inner ring of the bearing rotates at a high speed along with the rotating shaft, a large amount of heat is generated, a front cooling cavity 6 is arranged in the front end cover 2 around the front bearing mounting groove 5, the front cooling cavity 6 is penetrated with a front water inlet hole 7 and a front water outlet hole 8, cooling water is poured into the front cooling cavity 6 through the front water inlet hole 7, so that the bearing is cooled, and the cooling water with heat is discharged from the front water outlet hole 8.
The center of rear end cover 4 is equipped with rear bearing mounting groove 9, and the rear bearing is established in this inslot, so, rear bearing also can produce a large amount of heat at the during operation, and untimely bearing cooling guarantees that the bearing is in normal operating temperature scope, and then the lubricating oil of bearing will evaporate soon, leads to the bearing unable work, so, we have set up rear cooling chamber 10 around rear bearing mounting groove 9 in rear end cover 4, rear cooling chamber 10 has link up rear inlet opening 11 and rear apopore 12, and the cooling water fills into rear cooling chamber 10 from rear inlet opening 11, after flowing one round in rear cooling chamber 10, finally discharges from rear outlet opening 12, and in this process, the cooling water takes away most heat that the bearing produced to in time reduce rear bearing's operating temperature, guarantee rear bearing's life and normal operating condition.
The cooling channel 13 is arranged in the machine barrel 3, the cooling channel 13 is provided with an inlet 14 and an outlet 15, specifically, the design of the cooling channel 13 is that the machine barrel 3 is divided into an inner barrel 16 and an outer barrel 17, thus a hollow layer is formed between the inner barrel 16 and the outer barrel 17, a plurality of ribs 18 which are distributed at intervals in parallel are arranged in the hollow layer, the upper surface and the lower surface of each rib 18 are respectively in sealing fit with the inner wall of the outer barrel 17 and the outer wall of the inner barrel 16, and the inner barrel 16 and the outer barrel 17 are in sealing connection and fixed together with a plurality of ribs 18 by adopting welding or other processes. Therefore, cooling water is poured from the inlet 14, flows through the surface of the machine barrel 3 along the cooling channel 13 and is discharged from the outlet 15, so that heat on the surface of the machine barrel 3 is taken away, and the normal temperature required by the operation of the rotor and the stator in the machine barrel 3 is ensured. The S-shaped cooling channel 13 can cover the surface area of the machine barrel 3 to the greatest extent, so that the heat dissipation area is greatly increased, and the heat dissipation effect of the machine barrel 3 is greatly improved; the ribs 18, which are linear and parallel to the axis of the cylinder 3, can make the width of the cooling channel 13 designed smaller and denser, and the heat dissipation efficiency is higher.
In order to reduce the volume and improve the heat dissipation efficiency, the cooling structures in the front end cover 2, the machine barrel 3 and the rear end cover 4 are unified, so that the inlet 14 is correspondingly matched with the front water outlet 8, and the outlet 15 is correspondingly matched with the rear water inlet 11. Since the front end cover 2 is positioned at the front end of the machine barrel 3, and the rear end cover 4 is positioned at the rear end of the machine barrel 3, the front water inlet 7 of the front end cover 2 is used as a total water inlet, the rear water outlet of the rear end cover 4 is used as a total water outlet, so that the front cooling cavity 6, the S-shaped cooling channel 13 and the rear cooling cavity 10 are sequentially communicated, and a total water cooling channel is formed.
After designing the total water cooling channel, we consider the power source of the cooling water flow, namely the water cooling circulation device, and the scheme of the utility model has two kinds: 1. because this motor is used for the water pump, so water-cooling circulating device is the pump body 19 of water pump, the pump body 19 has water inlet 20, delivery port 21 and with water inlet 20 and the pressurized water passageway that delivery port 21 link up mutually, advance water hole 7 is connected to delivery port 21 through water pipe 22, and back water inlet 11 is connected to water inlet 20 through water pipe 23, has the negative pressure through water inlet 20, and delivery port 21 has the principle of high pressure, and the water in the water-cooling passageway carries out quick circulation flow to improve the water-cooling effect greatly. 2. The external water cooling circulation device is adopted in the scheme, the external water cooling circulation device comprises a water tank 24 and an evaporator 25, a liquid inlet 27 of an evaporation pipe 26 of the evaporator 25 is connected with the water tank 24 through a pipeline, a liquid outlet 28 is connected with a front water inlet 7 through a pipeline, and a rear water outlet 12 is connected to the water tank 24 through a pipeline. The water in the water cooling channel of the utility model is rapidly circulated by the external water cooling circulation device, the water cooling channel is suitable for a motor for a large water pump, and the cooling liquid can be filled in the water tank 24, so that the cooling effect of the motor 1 is better.
The front cooling chamber 6 and the rear cooling chamber 10 are open annular chambers, namely 'C' -shaped, and at least one protrusion 29 is arranged in the chambers.
The design of the bulge 29 can improve the residence time of water in unit area and the heat dissipation areas of the front cooling cavity 6 and the rear cooling cavity 10, thereby greatly improving the heat dissipation effect. In addition, the protrusion 29 and the inner wall of the annular cavity are in rounded transition, so that the smoothness of cooling water flow is improved, and the working noise is reduced while the heat dissipation area is improved.
In summary, according to the water-cooled structure of the present utility model, the structures in the front end cover, the rear end cover and the barrel itself are adjusted, and the water-cooled channels, that is, the front cooling chamber 6, the cooling channel 13 and the rear cooling chamber 10 are provided, so that the bearings in the front end cover 2, the bearings in the rear end cover 4 and the motor barrel 3 are cooled in all directions, and the water-cooled structure has the advantages of small motor size, low manufacturing cost and low energy consumption on the premise of the same motor output power.
The foregoing describes in detail a water-cooled motor provided by embodiments of the present utility model, and specific examples are applied to illustrate the principles and embodiments of the present utility model, where the foregoing examples are only for helping to understand the technical solutions disclosed in the present utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.
Claims (6)
1. The utility model provides a water-cooled motor, includes the motor, the motor includes front end housing, barrel and rear end cap, its characterized in that: the center of the front end cover is provided with a front bearing mounting groove, a front cooling cavity is arranged in the front end cover around the front bearing mounting groove, and the front cooling cavity is communicated with a front water inlet hole and a front water outlet hole; the center of the rear end cover is provided with a rear bearing mounting groove, a rear cooling cavity is arranged in the rear end cover around the rear bearing mounting groove, and a rear water inlet hole and a rear water outlet hole are communicated with the rear cooling cavity; the machine barrel is internally provided with a cooling channel, the cooling channel is provided with an inlet and an outlet, the inlet is correspondingly matched with the front water outlet, and the outlet is correspondingly matched with the rear water inlet; the front water inlet hole and the rear water outlet hole are respectively communicated with a water cooling circulation device.
2. The water-cooled motor of claim 1, wherein: the water cooling circulation device is a pump body of the water pump, the pump body is provided with a water inlet, a water outlet and a pressurized water channel communicated with the water inlet and the water outlet, the front water inlet is connected to the water outlet through a water pipe, and the rear water inlet is connected to the water inlet through a water pipe.
3. The water-cooled motor of claim 1, wherein: the water cooling circulation device comprises a water tank and an evaporator, wherein a liquid inlet of an evaporation pipe of the evaporator is connected with the water tank through a pipeline, a liquid outlet is connected with a front water inlet hole through a pipeline, and a rear water outlet hole is connected to the water tank through a pipeline.
4. A water cooled electric machine according to claim 1 or 2 or 3, wherein: the machine barrel comprises an inner barrel body and an outer barrel body, a hollow layer is arranged between the inner barrel body and the outer barrel body, a plurality of ribs which are distributed at intervals in parallel are arranged in the hollow layer, the upper surface and the lower surface of each rib are respectively and tightly attached to the inner wall of the outer barrel body and the outer wall of the inner barrel body, and two adjacent ribs are staggered left and right along the length direction, so that a cooling channel which is in an S shape is formed between the two adjacent ribs.
5. The water-cooled motor of claim 4, wherein: the ribs are parallel to the axis of the barrel.
6. The water-cooled motor of claim 1, wherein: the front cooling cavity and the rear cooling cavity are both open annular cavities, and at least one bulge is arranged in each cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223363931.7U CN218976510U (en) | 2022-12-14 | 2022-12-14 | Water-cooled motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223363931.7U CN218976510U (en) | 2022-12-14 | 2022-12-14 | Water-cooled motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218976510U true CN218976510U (en) | 2023-05-05 |
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ID=86147536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223363931.7U Active CN218976510U (en) | 2022-12-14 | 2022-12-14 | Water-cooled motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218976510U (en) |
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2022
- 2022-12-14 CN CN202223363931.7U patent/CN218976510U/en active Active
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