CN218733703U - Heat radiation assembly of motor and gas water heater comprising same - Google Patents
Heat radiation assembly of motor and gas water heater comprising same Download PDFInfo
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- CN218733703U CN218733703U CN202222838452.XU CN202222838452U CN218733703U CN 218733703 U CN218733703 U CN 218733703U CN 202222838452 U CN202222838452 U CN 202222838452U CN 218733703 U CN218733703 U CN 218733703U
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- heat
- motor
- liquid cooling
- heat dissipating
- heat dissipation
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Abstract
The utility model provides a heat dissipation assembly of a motor and a gas water heater comprising the same, wherein a heating part is arranged in the motor, the heat dissipation assembly is arranged in a shell of the motor, and the heat dissipation assembly comprises a heat dissipation body and a liquid cooling part; the heat dissipation body is positioned between the inner side of the end cover of the shell and the heating part; the liquid cooling portion encircles the circumference direction of shell passes the heat dissipation body, just the inlet and the liquid outlet of liquid cooling portion all pass the lateral wall in the outside of motor. The utility model discloses in, the portion of generating heat gives the heat dissipation body through heat radiation with heat transfer, and the liquid cooling portion is given in the heat transfer of heat dissipation body, and in the fluid in the liquid cooling portion got into the motor casing from the inlet, along circumference flow, take place the heat exchange with the heat dissipation body, flow from the liquid outlet after absorbing the heat, fluidic temperature risees correspondingly, and correspondingly, the ambient temperature around the portion of generating heat in the motor also can reduce.
Description
Technical Field
The utility model relates to a gas heater field, in particular to radiator unit of motor and contain its gas heater.
Background
The existing direct current motor for the gas water heater has poor winding heat dissipation effect, when the gas water heater works, a fan assembly blows combustion-supporting air into the gas water heater, the fan assembly comprises a motor for providing power for the fan assembly, when the gas water heater works, the motor runs, partial energy is dissipated in a coil in a heat mode, and the heat can cause the motor to generate heat; meanwhile, electronic components on a PCB of the motor can generate a large amount of heat during working, and because the integration level of the circuit board is high and the size is small, the heat generated on the circuit board can not be discharged in time, so that the components and the like are easily damaged, the motor and the fan assembly are used in a high-temperature environment for a long time, the service life of the motor and the fan assembly is influenced, and the service life of the gas water heater is further shortened.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a radiator unit of motor and contain its gas heater in order to overcome the defect that the heat dissipation of the portion of generating heat in the motor is not good among the prior art.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
a heat dissipation assembly of a motor is provided with a heating part in the motor, the heat dissipation assembly is arranged in a shell of the motor, and the heat dissipation assembly comprises a heat dissipation body and a liquid cooling part; the heat dissipation body is positioned between the inner side of the end cover of the shell and the heating part; the liquid cooling portion encircles the circumference direction of shell passes the heat dissipation body, just the inlet and the liquid outlet of liquid cooling portion all pass the lateral wall in the outside of motor.
In this scheme, adopt above-mentioned structural design, the portion of generating heat is for the heat dissipation body through heat radiation, and the heat transfer of heat dissipation body gives the liquid cooling portion, and fluid in the liquid cooling portion gets into the motor casing from the inlet in, flows along circumference, takes place the heat exchange with the heat dissipation body, flows from the liquid outlet after the absorption heat, and fluidic temperature risees correspondingly, and correspondingly, the ambient temperature around the portion of generating heat in the motor also can reduce.
Preferably, the heat dissipation body includes a bottom plate, the bottom plate is located on one side of the heat dissipation body close to the heat generating portion, and the liquid cooling portion is located between the bottom plate and the end cover of the housing.
In the scheme, the structure design is adopted, the lower surface of the bottom plate faces the heating part and serves as an end surface of the heat radiation component for receiving heat radiation of the heating part; on the other hand, the upper surface of the base plate faces the liquid cooling portion, and transfers heat absorbed from the heat generating portion to the liquid cooling portion.
Preferably, the radial edge of the base plate is in contact with the inner side wall of the housing.
In this scheme, adopt above-mentioned structural design, the bottom plate can carry out the heat conduction with the shell, and the heat that the bottom plate absorbed can partly conduct the shell.
Preferably, the heat dissipation body further comprises a plurality of heat dissipation fins, the plurality of heat dissipation fins are arranged between the end cover of the shell and the bottom plate, and the heat dissipation fins are provided with openings for the liquid cooling portion to penetrate through the heat dissipation fins.
In this scheme, adopt above-mentioned structural design, liquid cooling portion and heat dissipation body can fully carry out the heat exchange.
Preferably, each of the plurality of heat dissipating fins extends radially along a central axis of the liquid cooling portion; the plurality of radiating fins are distributed around the circumference of the liquid cooling part, and two adjacent radiating fins are arranged at intervals.
In this scheme, adopt above-mentioned structural design, can further improve the heat exchange efficiency of liquid cooling portion and heat dissipation body.
Preferably, the end surface of the heat dissipation fin close to the bottom plate is in contact with the bottom plate; the end surface of the radiating fin close to the end cover is contacted with the inner surface of the end cover; and/or the end face, close to the inner side wall of the shell, of the radiating fin is in contact with the inner side wall of the shell.
In this scheme, adopt above-mentioned structural design, can form heat conduction between bottom plate and the radiating fin, between shell and the radiating fin, the heat of bottom plate and shell can more high-efficiently transmit for radiating fin, through the heat exchange of radiating fin and liquid cooling portion, takes out heat from the shell is inside again.
Preferably, a groove is formed in the end, far away from the housing, of the side wall of the heat dissipation fin, so that an inward protruding portion of a central area, close to the motor rotating shaft, of the top surface of the motor housing is embedded in the groove.
In the scheme, by adopting the structural design, the circumferential profile of the radiating fin is further superposed with the radial section of the shell, and the radiating fin can be more effectively conducted with the shell in a heat conduction mode; meanwhile, the heat radiating fins are also limited and fixed in the shell through the matching.
Preferably, the heat dissipation assembly further includes an elastic member, and two ends of the elastic member are respectively connected to the heat dissipation body and the heating portion in the motor.
In this scheme, adopt above-mentioned structural design, increased the heat transfer mode of the portion of generating heat and bottom plate, formed heat-conduction between the portion of generating heat and the bottom plate.
Preferably, the elastic member is a heat conduction spring; and/or the liquid cooling part is a copper pipe.
In the scheme, by adopting the structural design, the heat conduction spring plays a role in buffering and resisting shock while playing a role in heat conduction; the copper pipe is selected as the liquid cooling part, and the excellent heat conductivity and the machinability of the copper are fully utilized.
The utility model provides a gas water heater, contains foretell motor element, the radiator unit of motor installs in fan assembly, fan assembly is connected with burner for to burner provides combustion air, gas water heater's inlet tube with the radiator unit of motor on the liquid cooling portion be connected, water in the inlet tube pass through the radiator unit of motor after get into gas water heater.
In this scheme, be connected gas heater's inlet tube and the liquid cooling portion on the radiator unit of motor, the water in the inlet tube process gas heater is gone into behind the heat abstractor, and the water of gas heater inlet tube can realize the cold water heating behind the heat abstractor, and waste heat utilization for the water heater is more energy-conserving, and can also make gas heater burning more abundant.
The utility model discloses an actively advance the effect and lie in: the heat dissipation body is given with heat transfer through the heat radiation in the portion that generates heat, and the heat transfer of heat dissipation body gives liquid cooling portion, and fluid in the liquid cooling portion gets into the motor casing from the inlet in, along circumference flow, takes place the heat exchange with the heat dissipation body, flows from the liquid outlet after absorbing the heat, and fluidic temperature rises correspondingly, and correspondingly, the ambient temperature around the portion that generates heat in the motor also can reduce.
Drawings
Fig. 1 is a top view of a fan assembly including a heat dissipation assembly of an electric machine according to an embodiment of the present invention.
Fig. 2 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.
Fig. 3 is a schematic view of a fan assembly including a heat dissipation assembly of a motor according to an embodiment of the present invention, with a motor housing removed.
Fig. 4 is a schematic structural diagram of a gas water heater according to an embodiment of the present invention.
Description of the reference numerals
Heat sink assembly 10
Heat radiating fin 17
Electric machine 2
End cap 21
Heating part 23
Gas water heater 6
First heat exchange module 63
Second heat exchange module 64
Third heat exchange module 65
Gas-collecting channel 67
Detailed Description
The present invention will be more clearly and completely described below with reference to the accompanying drawings.
A heat dissipating assembly 10 of a motor, there is a heating part 23 in the motor 2, the heat dissipating assembly 10 is mounted in the outer casing of the motor 2, the heat dissipating assembly 10 includes the heat-dissipating body 11 and liquid cooling part 12; the heat dissipation body 11 is positioned between the inner side of the end cover 21 of the shell and the heating part 23; the liquid cooling portion 12 passes through the heat dissipating body 11 around the circumferential direction of the housing, and both the liquid inlet 121 and the liquid outlet 122 of the liquid cooling portion 12 pass through the side wall of the outside of the motor 2.
As shown in fig. 1 and 2, in the present embodiment, the heat generating portion 23 is a PCB board in the motor 2, which generates heat to cause temperature rise when operating, the heat generating portion 23 transfers heat to the heat dissipating body 11 by thermal radiation, the heat of the heat dissipating body 11 is transferred to the liquid cooling portion 12, the fluid in the liquid cooling portion 12 enters the motor 2 casing from the liquid inlet 121, flows along the circumferential direction, exchanges heat with the heat dissipating body 11, and flows out from the liquid outlet 122 after absorbing the heat, the temperature of the fluid is raised accordingly, and accordingly, the ambient temperature around the heat generating portion 23 in the motor 2 is also lowered by the heat exchange.
As shown in fig. 3, in the present embodiment, the heat dissipating body 11 includes a bottom plate 15, the bottom plate 15 is located on a side of the heat dissipating body 11 close to the heat generating portion 23, and the liquid cooling portion 12 is located between the bottom plate 15 and the end cover 21 of the housing.
In the present embodiment, the lower surface of the bottom plate 15 faces the heat generating portion 23 as an end surface of the heat dissipating component 10 that receives heat radiation from the heat generating portion 23; on the other hand, the upper surface of the bottom plate 15 faces the liquid cooling portion 12, and transfers heat absorbed from the heat generating portion 23 to the liquid cooling portion 12.
As shown in fig. 2, in the present embodiment, the radial edge of the bottom plate 15 is in contact with the inner side wall of the housing.
In this embodiment, the radial edge of the bottom plate 15 is in full contact with the inner side wall of the housing, the bottom plate 15 can conduct heat with the housing, and a part of the heat absorbed by the bottom plate 15 can be conducted to the housing.
As shown in fig. 3, in the present embodiment, the heat dissipating body 11 further includes a plurality of heat dissipating fins 17, the plurality of heat dissipating fins 17 are disposed between the end cover 21 and the bottom plate 15 of the housing, and the heat dissipating fins 17 are provided with openings for the liquid cooling portion 12 to pass through the heat dissipating fins 17.
In the present embodiment, the liquid cooling portion 12 and the heat dissipating body 11 can sufficiently perform heat exchange.
As shown in fig. 3, in the present embodiment, each of the plurality of heat dissipating fins 17 extends radially along the central axis of the liquid cooling portion 12; a plurality of radiating fins 17 are distributed around the circumference of the liquid cooling portion 12, and two adjacent radiating fins 17 are arranged at intervals.
In the present embodiment, the heat dissipating fins 17 are arranged at intervals and uniformly distributed in the circumferential direction, and the heat exchange efficiency between the liquid cooling portion 12 and the heat dissipating body 11 can be further improved.
In other embodiments, the heat dissipating fins 17 are spaced apart from each other, and may be unevenly distributed in the circumferential direction.
As shown in fig. 2, in the present embodiment, the end surface of the heat radiation fin 17 near the bottom plate 15 is in contact with the bottom plate 15; the end surface of the radiating fin 17 close to the end cover 21 is contacted with the inner surface of the end cover 21; and/or the end face of the heat radiating fin 17 close to the inner side wall of the shell is in contact with the inner side wall of the shell.
In this embodiment, heat conduction can be formed between the bottom plate 15 and the heat dissipating fins 17 and between the housing and the heat dissipating fins 17, and the heat of the bottom plate 15 and the housing can be more efficiently transferred to the heat dissipating fins 17, and then the heat is taken out from the inside of the housing through the heat exchange between the heat dissipating fins 17 and the liquid cooling portion 12.
In the present embodiment, the end surface of the heat dissipation fin 17 close to the rotating shaft 25 contacts the rotating shaft 25, and the contact between the heat dissipation fin 17 and the housing of the motor 2 is further increased.
As shown in fig. 2 and 3, in the present embodiment, the end of the side wall of the heat dissipation fin 17 away from the housing is provided with a groove, so that the inward protruding part of the central area of the top surface of the housing of the motor 2 close to the rotating shaft 25 of the motor 2 is embedded in the groove.
In the present embodiment, as shown in fig. 2, by the above-mentioned structural arrangement, the circumferential profile of the heat dissipation fins 17 further coincides with the radial cross section of the casing, the heat dissipation fins 17 can conduct heat more effectively with the casing, and the liquid cooling portion 12 also indirectly exchanges heat with the casing of the motor 2 by the contact heat conduction of the heat dissipation fins 17 with the casing of the motor 2; at the same time, the heat dissipating fins 17 are also positioned and fixed inside the housing by this fit.
Specifically, in the present embodiment, the heat dissipation assembly 10 further includes an elastic member (not shown), and two ends of the elastic member are respectively connected to the heat dissipation body 11 and the heat generating portion 23 inside the motor 2.
In the present embodiment, the heat transfer manner between the heat generating portion 23 and the chassis 15 is increased, and heat conduction is formed between the heat generating portion 23 and the chassis 15.
Specifically, in the present embodiment, the elastic member is a heat conductive spring; and/or the liquid cooling part 12 is a copper pipe.
In the embodiment, the heat conduction spring plays a role in buffering and resisting shock while playing a role in heat conduction; copper tubes are selected as the liquid cooling part 12, and the excellent heat conductivity and machinability of copper are fully utilized.
As shown in fig. 2, the rotating shaft 25 of the fan assembly 1 has a hole penetrating along the axial direction thereof, and when the impeller of the fan assembly rotates, a negative pressure is formed inside the impeller near the rotating shaft 25; therefore, the external air can enter the impeller from the side of the rotating shaft 25 close to the end cover 21, so that the heat of the components close to the rotating shaft, such as the rotor and the like, can be dissipated. In addition, the temperature of the air entering through the through hole of the rotation shaft 25 is raised, and the air enters the fan assembly, and further enters the gas water heater 6 to be further utilized.
As shown in fig. 4, a gas water heater 6 includes the heat dissipation assembly 10 of the motor, the heat dissipation assembly 10 of the motor is installed in the fan assembly 1, the fan assembly 1 is connected with the combustion apparatus and is used for providing combustion air for the combustion apparatus, a water inlet pipe 61 of the gas water heater 6 is connected with a liquid cooling portion on the heat dissipation assembly 10 of the motor, and water in the water inlet pipe 61 enters the gas water heater 6 after passing through the heat dissipation assembly 10 of the motor.
As shown in fig. 4, the gas water heater 6 includes a burner, a heat exchanger, and a gas collecting hood 67, the burner is located at the bottom, the gas collecting hood 67 is located at the top, the heat exchanger is located at the upper part of the burner, the water of the gas water heater 6 is heated from the water inlet pipe 61 to the water outlet pipe 62 through three stages, the first stage: the water in the water inlet pipe 61 exchanges heat with the heat dissipation assembly 10 on the fan assembly 1 to realize first temperature rise; and a second stage: the water in the water inlet pipe 61 exchanges heat with the heat exchanger through the combustion area to realize secondary temperature rise; and a third stage: the high-temperature flue gas after combustion carries out third heat exchange on the water in the water inlet pipe 61 above the burner and near the gas-collecting hood 67, so as to realize third temperature rise; the water in the inlet pipe 61 is heated in three stages and then flows out through the outlet pipe 62. In this scheme, be connected the liquid cooling portion on the radiator unit 10 with the inlet tube 61 of gas heater 6 and the motor, the water in the inlet tube 61 gets into gas heater 6 behind the heat abstractor, and the water of 6 inlet tubes 61 of gas heater can realize the cold water heating behind the heat abstractor, and waste heat utilization for the water heater is more energy-conserving.
As shown in fig. 2 and 4, the fan assembly 1 is located below the gas water heater 6 to provide combustion air to the combustion device, and the air intake amount is adjusted through the air valve 66, and the outside cold air enters the impeller 3 through the air inlet chamber and the rotating shaft 25, in the process, the temperature of the outside cold air is increased after the outside cold air absorbs the heat of the end cover 21 and the rotating shaft 25 of the motor 2, the temperature of the air entering the impeller 3 is higher than that of the outside cold air, the temperature of the combustion air is increased, the activation energy required by the chemical reaction between the burner such as methane and the like and oxygen is reduced, so that the gas water heater 6 is combusted more fully, and the combustion efficiency of the gas water heater 6 is improved. And also enables the gas water heater 6 to burn more fully.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments can be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. A heat dissipation assembly of a motor is characterized in that a heating part is arranged in the motor, the heat dissipation assembly is installed in a shell of the motor, and the heat dissipation assembly comprises a heat dissipation body and a liquid cooling part;
the heat dissipation body is positioned between the inner side of the end cover of the shell and the heating part;
the liquid cooling portion encircles the circumference direction of shell passes the heat dissipation body, just the inlet and the liquid outlet of liquid cooling portion all pass the lateral wall in the outside of motor.
2. The heat dissipating assembly of an electric motor of claim 1, wherein the heat dissipating body comprises a bottom plate on a side of the heat dissipating body adjacent to the heat generating portion, the liquid cooling portion being located between the bottom plate and an end cap of the housing.
3. The heat dissipating assembly of an electric machine of claim 2, wherein a radial edge of said base plate contacts an inner sidewall of said housing.
4. The heat dissipating assembly of an electric motor according to claim 2, wherein the heat dissipating body further comprises a plurality of heat dissipating fins disposed between the end cap of the housing and the bottom plate, the heat dissipating fins having openings for the liquid cooling portion to pass through.
5. The heat dissipating assembly of an electric machine according to claim 4, wherein each of the plurality of heat dissipating fins extends radially along a central axis of the liquid cooling portion;
the plurality of radiating fins are distributed around the circumference of the liquid cooling part, and two adjacent radiating fins are arranged at intervals.
6. The heat dissipating assembly of an electric motor according to claim 4, wherein an end surface of the heat dissipating fin adjacent to the base plate is in contact with the base plate;
the end surface of the radiating fin close to the end cover is contacted with the inner surface of the end cover;
and/or the end face of the heat radiating fin close to the inner side wall of the shell is in contact with the inner side wall of the shell.
7. The heat dissipating assembly of an electric motor of claim 4, wherein the end of the side wall of the heat dissipating fin away from the housing is provided with a groove, so that the inward protrusion of the top surface of the motor housing near the central region of the motor shaft is embedded in the groove;
and/or the rotating shaft of the motor is provided with a through hole.
8. The heat dissipating assembly of an electric motor of claim 1, further comprising an elastic member, both ends of which are connected to the heat dissipating body and the heat generating portion in the electric motor, respectively.
9. The heat dissipating assembly of an electric motor of claim 8, wherein said elastic member is a heat conductive spring;
and/or the liquid cooling part is a copper pipe.
10. A gas water heater, characterized in that, it includes the heat radiation component of the motor of any claim 1-9, the heat radiation component of the motor is installed in the blower assembly, the blower assembly is connected with the combustion device, used for providing combustion air for the combustion device, the water inlet pipe of the gas water heater is connected with the liquid cooling part on the heat radiation component of the motor, the water in the water inlet pipe enters the gas water heater after passing through the heat radiation component of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222838452.XU CN218733703U (en) | 2022-10-26 | 2022-10-26 | Heat radiation assembly of motor and gas water heater comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222838452.XU CN218733703U (en) | 2022-10-26 | 2022-10-26 | Heat radiation assembly of motor and gas water heater comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218733703U true CN218733703U (en) | 2023-03-24 |
Family
ID=85592386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222838452.XU Active CN218733703U (en) | 2022-10-26 | 2022-10-26 | Heat radiation assembly of motor and gas water heater comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218733703U (en) |
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2022
- 2022-10-26 CN CN202222838452.XU patent/CN218733703U/en active Active
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