CN221448223U - Open-type motor - Google Patents
Open-type motor Download PDFInfo
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- CN221448223U CN221448223U CN202323269233.5U CN202323269233U CN221448223U CN 221448223 U CN221448223 U CN 221448223U CN 202323269233 U CN202323269233 U CN 202323269233U CN 221448223 U CN221448223 U CN 221448223U
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- shell
- air inlet
- heat dissipation
- plate
- end plate
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 24
- 230000005855 radiation Effects 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000005728 strengthening Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 3
- 238000004804 winding Methods 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 241000276425 Xiphophorus maculatus Species 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000007257 malfunction Effects 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
- 210000003205 muscle Anatomy 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to the technical field of motors, in particular to an open-type motor which comprises a shell and a fan detachably connected to the shell; the upper surface of the shell is symmetrically provided with a first air inlet and a second air inlet, and the fan is connected to the surface of the shell through bolts; the shell is also provided with a heat radiation opening, and the heat radiation opening is positioned on the front wall surface of the shell between the first air inlet and the second air inlet; the inside of the shell is detachably connected with two annular wind shields which are symmetrically arranged along the length direction of the shell, and the two wind shields are respectively arranged below the first air inlet and the second air inlet; the wind guard comprises an outer plate, an inner plate and an end plate which are integrally formed, wherein the outer plate is enclosed into a cylinder shape, the end plate is annular, and an annular groove is formed after the outer plate, the end plate and the inner plate are enclosed. The air path design of the motor can enable the temperature of each part of the iron core to be cooled more uniformly; and the heat dissipation wind pressure loss is small, and the heat dissipation effect is better.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to an open type motor.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the law of electromagnetic induction, and is widely applied to a plurality of fields of industrial manufacture, aerospace, medical equipment and the like.
In motor classification, a motor with a casing not completely closed is called an open motor, and a conventional open motor has a heat dissipation mode that: an air inlet and a heat dissipation port are respectively reserved at two ends of the shell, when the motor runs, the centrifugal fan in the shell can introduce external air into the shell, cold air flows in from the air inlet, the stator and the rotor are cooled along the way, and heat is discharged from the heat dissipation port. Although this conventional heat dissipation mode can achieve heat dissipation, because the circulation path of the cold air flows from the air inlet at one end of the casing to the heat dissipation port at the other end, this can lead to the winding wire near the heat dissipation port to continuously bear the impact of the hot air after the heat exchange is completed before the heat dissipation port, so that the winding wire near the heat dissipation port has too high temperature, and the winding wire temperature is too high to easily cause the motor to malfunction, in order to solve this problem, in the prior art, a motor and a double-end ventilation cooling device thereof (publication number: CN110571979 a), the heat conduction of the hot air to the wire winding at the heat dissipation outlet is weakened by adopting the mode of arranging the air inlet at the top of the casing, but the following technical problems still exist in the prior art:
1. Two air inlets of prior art set up the both ends at the top of casing, and a solitary air outlet sets up and is close to one of them air inlet at the casing top, and this makes two air inlets and the distance of air outlet inconsistent, and the cold wind of two fans also inconsistent at the inside circulation path length of casing, leads to the radiating effect of the inside rotor core of motor and the heating element such as stator core inhomogeneous for the local high temperature of iron core causes the motor trouble easily.
2. When cold air flows in from the air inlet far away from the air outlet, the path along the way through the inside of the shell is longer, the absorbed heat is more, and the part of hot air with higher temperature finally flows out to the air outlet and impacts the winding wire at the air outlet, so that the winding wire at the air outlet heats and heats up, and the fault rate of the winding is increased.
Disclosure of utility model
The utility model provides an open motor, which can solve the problem that the motor is easy to fail due to the fact that the local temperature of an iron core is too high due to uneven heat dissipation effect of a heating component in the motor when the open motor in the prior art dissipates heat.
The application provides the following technical scheme: an open-type motor; comprises a shell and a fan detachably connected to the shell; the upper surface of the shell is symmetrically provided with a first air inlet and a second air inlet, the first air inlet and the second air inlet are respectively close to two ends of the shell, and the fan is respectively connected with the surface of the shell above the first air inlet and the second air inlet through bolts;
The shell is also provided with a heat radiation opening, and the heat radiation opening is positioned on the front wall surface of the shell between the first air inlet and the second air inlet;
The inside of the shell is detachably connected with two annular wind shields which are symmetrically arranged along the length direction of the shell and are arranged about the center of the heat dissipation opening, and the two wind shields are respectively arranged below the first air inlet and the second air inlet;
The wind guard comprises an outer plate, an inner plate and an end plate which are integrally formed, wherein the outer plate is enclosed into a cylinder shape, the end plate is a ring shape, the end plate is perpendicular to the cylindrical surface of the outer plate, the outer plate is fixed on the outer circumference of the end plate, the inner plate is fixed on the inner circumference of the end plate, and an annular groove is formed after the outer plate, the end plate and the inner plate are enclosed.
The beneficial effects are that:
1. The fans are arranged above the first air inlet and the second air inlet, so that a large amount of strong cold air is respectively poured into the machine shell from the first air inlet and the second air inlet, the wind shield has a guiding effect on the cold air, and the cold air can smoothly flow in along a fixed path, so that winding wires at two ends of a stator core in the machine shell and heating parts are blown, heat on the surfaces of the parts is taken away and flows out from a heat dissipation opening in the middle of the front wall surface of the machine shell, and in addition, the first air inlet and the second air inlet are symmetrically arranged, so that the cold air of the two fans can simultaneously cool winding wires at two ends of the stator core, and the temperature of each part of the core can be cooled more uniformly; and the cooling hole is positioned at the middle position of the two air inlets, so that the path distance of cold air circulation is shorter, the pressure loss of the cold air entering from the fan is smaller, and the cooling effect is better.
2. The wind guard is fixed inside the casing, separates into fixed shape with the space in the casing, and the cold wind of fan flows into in the casing from first air intake and second air intake respectively, under the guiding action of wind guard, smoothly flows into each space in the middle of rotor and stator core and the part that generates heat, has reduced the inside windage of casing, promotes the inflow smoothness of cold wind, improves the radiating effect to rotor and stator core.
3. The heat dissipation effect of the motor is improved, so that the heat load of the motor can reach a higher level, and the motor with the same volume can output larger power.
Further, the radiating opening is a rectangular radiating opening, strip-shaped radiating fins are fixedly connected in the radiating opening, and the radiating fins are uniformly distributed along the length direction of the shell in a vertical state.
The beneficial effects are that: the radiating fin can increase the radiating area of thermovent, and the radiating fin can absorb the heat of hot air fast, promotes radiating efficiency, and the radiating fin becomes vertical state and arranges and to be able to form the support to thermovent, promotes the structural strength of casing.
Further, the middle part fixedly connected with square strengthening rib in the casing, the center of strengthening rib is equipped with the round hole.
The beneficial effects are that: the strengthening rib sets up in the middle part of casing, forms the supporting role to the casing, promotes the rigidity and the intensity of casing.
Further, two square locating ribs are fixedly connected in the shell, the locating ribs are symmetrically arranged on two sides of the reinforcing rib respectively, and a circular locating hole is formed in the center of the locating rib.
The beneficial effects are that: the outer circle of the stator core of the motor can sequentially penetrate into the positioning holes of the two positioning ribs, and the positioning holes support and limit the stator core of the motor.
Drawings
Fig. 1 is a front view of the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
The labels in the drawings of this specification include: fan 1, first air intake 2, winding wire 3, location muscle 4, casing 5, strengthening rib 6, second air intake 7, planking 8, end plate 9, inner panel 10, deep bead 11, thermovent 12, fin 13, stator 14, screw rod lacing wire 15.
Example 1
As shown in fig. 1, an open-type motor comprises a casing 5 and a fan 1 connected to the casing 5 by bolts; the casing 5 is cuboid, and first air intake 2 and second air intake 7 have been seted up to the upper surface of casing 5 near the position symmetry of casing 5 left and right sides terminal surface, and the air outlet of fan 1 communicates with first air intake 2 and second air intake 7 respectively, and fan 1 is positive pressure fan, and the drive arrangement of two fans 1 sets up relatively to reduce the volume of whole open-type motor, make the structure compacter.
Rectangular radiating openings 12 are formed in the front wall surface of the shell 5, the radiating openings 12 are positioned in the middle between the first air inlet 2 and the second air inlet 7, a plurality of strip-shaped radiating fins 13 are welded in the radiating openings 12, the radiating fins 13 are in a vertical state, and the radiating fins 13 are uniformly distributed in the radiating openings 12 along the length direction of the shell 5; a platy reinforcing rib 6 is welded on the inner wall surface in the middle of the shell 5, the shape of the reinforcing rib 6 is square, a round hole is formed in the center of the reinforcing rib 6, and the outer circular surface of the stator 14 can penetrate through the round hole; the platy locating ribs 4 are symmetrically arranged on two sides of the reinforcing rib 6, the appearance of the locating ribs 4 is square, the center of the locating ribs 4 is provided with a locating hole, and the stator 14 can penetrate into the locating hole to realize circumferential support and limit of the stator 14.
The wind shield 11 is arranged at two ends of the stator 14, the wind shield 11 is respectively arranged below the first air inlet 2 and the second air inlet 7, the wind shield 11 comprises an outer plate 8, an inner plate 10 and an end plate 9 which are integrally formed, the outer plate 8 surrounds into a cylinder shape, the end plate 9 is annular, the end surface of the outer plate 8 far away from the end plate 9 is tightly abutted against the surface of the positioning rib 4, the end plate 9 is perpendicular to the cylindrical surface of the outer plate 8, the inner plate 10 is bent into a certain angle, the angle can be selected according to the interference position of parts in the shell 5, the outer plate 8, the end plate 9 and the inner plate 10 surround into an annular groove, winding wires 3 at two ends of the stator 14 extend into the annular groove, screw rods which are uniformly distributed in an annular shape are further arranged on the end plate 9, screw rods 15 at two ends of the stator 14 extend out of the screw holes from the annular groove, and the wind shield 11 is locked on the surface of the positioning rib 4 by nuts, so that the wind shield 11 is used for axially limiting the stator 14.
The cooling method of the motor is as follows: as shown by the arrow at the first air inlet 2 in fig. 1, the forced cold air of the fan 1 flows downwards from the first air inlet 2 into the casing 5, and the wind shield 11 separates the casing 5 into a fixed shape, so that the cold air can smoothly flow into the stator 14 and the rotor along the arrow direction to take away the heat in the stator, and finally the hot air flows into the heat dissipation port 12 from the gap between the stator 14 and the rotor, so that the heat in the motor is exhausted, and the purpose of heat dissipation is achieved.
The above is merely an embodiment of the present utility model, and the present utility model is not limited to the field of the present embodiment, but the specific structure and characteristics of the present utility model are not described in detail. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (4)
1. An open-type motor comprises a shell and a fan detachably connected to the shell; the method is characterized in that: the upper surface of the shell is symmetrically provided with a first air inlet and a second air inlet, the first air inlet and the second air inlet are respectively close to two ends of the shell, and the fan is respectively connected with the surface of the shell above the first air inlet and the second air inlet through bolts;
The shell is also provided with a heat radiation opening, and the heat radiation opening is positioned on the front wall surface of the shell between the first air inlet and the second air inlet;
The inside of the shell is detachably connected with two annular wind shields which are symmetrically arranged along the length direction of the shell and are arranged about the center of the heat dissipation opening, and the two wind shields are respectively arranged below the first air inlet and the second air inlet;
The wind guard comprises an outer plate, an inner plate and an end plate which are integrally formed, wherein the outer plate is enclosed into a cylinder shape, the end plate is a ring shape, the end plate is perpendicular to the cylindrical surface of the outer plate, the outer plate is fixed on the outer circumference of the end plate, the inner plate is fixed on the inner circumference of the end plate, and an annular groove is formed after the outer plate, the end plate and the inner plate are enclosed.
2. An open-type motor as claimed in claim 1, wherein: the heat dissipation port is a rectangular heat dissipation port, strip-shaped heat dissipation fins are fixedly connected in the heat dissipation port, and the heat dissipation fins are uniformly distributed along the length direction of the shell in a vertical state.
3. An open-type motor as claimed in claim 2, wherein: the middle part fixedly connected with square strengthening rib in the casing, the center of strengthening rib is equipped with the round hole.
4. An open-type motor according to claim 3, wherein: two square locating ribs are fixedly connected in the shell, the locating ribs are symmetrically arranged on two sides of the reinforcing rib respectively, and a circular locating hole is formed in the center of each locating rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323269233.5U CN221448223U (en) | 2023-11-30 | 2023-11-30 | Open-type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323269233.5U CN221448223U (en) | 2023-11-30 | 2023-11-30 | Open-type motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221448223U true CN221448223U (en) | 2024-07-30 |
Family
ID=92072474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323269233.5U Active CN221448223U (en) | 2023-11-30 | 2023-11-30 | Open-type motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221448223U (en) |
-
2023
- 2023-11-30 CN CN202323269233.5U patent/CN221448223U/en active Active
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