CN216111401U - Cooling fan without volute - Google Patents
Cooling fan without volute Download PDFInfo
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- CN216111401U CN216111401U CN202122824316.0U CN202122824316U CN216111401U CN 216111401 U CN216111401 U CN 216111401U CN 202122824316 U CN202122824316 U CN 202122824316U CN 216111401 U CN216111401 U CN 216111401U
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Abstract
The utility model provides a cooling fan without a volute, which comprises: a first seat plate: a second seat plate: the first seat plate is arranged in a clearance way, and a seat plate air inlet is arranged along the surface of the second seat plate; a motor: the first seat plate is connected with the first seat plate and arranged in a gap between the first seat plate and the second seat plate; a base: the base plate is arranged at the second seat plate, and the seat plate air inlet is opposite to the base air inlet; an impeller mechanism: the impeller comprises a first impeller plate and a second impeller plate which are arranged at intervals, wherein a second impeller plate hole is formed in the second impeller plate; the impeller mechanism also comprises a plurality of blades which are arranged on the first impeller plate and the second impeller plate in a surrounding way; first impeller board is located and is close to first bedplate one side is connected to the power take off end of motor, and the base air intake is relative with second impeller plate hole. This scheme adopts no spiral case structure, can alleviate the holistic weight of cooling blower.
Description
Technical Field
The utility model relates to the technical field of fan equipment, in particular to a cooling fan without a volute.
Background
The cooling fan is mainly used for providing air cooling air for the heating components. The prior art blower generally includes a volute in which a blower body part is located, and an air inlet/outlet port is formed on the volute. The volute fan has the following defects:
1. the whole weight of the fan is increased due to the arrangement of the volute;
2. the design of single air outlet is difficult to realize even heat dissipation.
Take the application in a motor train unit as an example. In the existing traction converter device of the motor train unit, a special cooling fan is usually arranged to blow cooling air into the device to cool the traction converter. Therefore, the cooling fan used in the device needs to suck air from the outside and release the air from the inside, so as to achieve the purpose of cooling the traction converter device. Among the existing device, mostly divide into the combination that casing fan was equipped with motor and impeller, this combination is comparatively single to the release of cooling air, can't compromise the cooling of other electric parts in the device, the hidden danger of local high temperature appears, and the cooling fan who is equipped with the casing, in weight control, also has certain limitation.
SUMMERY OF THE UTILITY MODEL
The present invention is to solve one of the above technical problems, and provides a cooling fan without a volute.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a voluteless cooling fan comprising:
a first seat plate;
a second seat plate: the first seat plate is arranged in a clearance way, and a seat plate air inlet is arranged along the surface of the second seat plate;
a motor: the first seat plate is connected with the first seat plate and arranged in a gap between the first seat plate and the second seat plate;
a base: the base plate is arranged at the second seat plate, and the seat plate air inlet is opposite to the base air inlet;
an impeller mechanism: the impeller comprises a first impeller plate and a second impeller plate which are arranged at intervals, wherein a second impeller plate hole is formed in the second impeller plate; the impeller mechanism also comprises a plurality of blades which are arranged on the first impeller plate and the second impeller plate in a surrounding way;
the first impeller plate is located near one side of the first seat plate and connected to a power output end of the motor, and the air inlet of the base is opposite to the hole of the second impeller plate.
In some embodiments of the utility model, the motor is an external rotor motor, and the first impeller plate is connected to the motor external rotor.
In some embodiments of the utility model, a flange portion is provided around the outer rotor of the electric machine, and the first impeller plate is mounted to the flange portion.
In some embodiments of the present invention, the first seat plate is provided with a through hole, the end of the motor is located in the through hole, the flange portion is clamped at the lower side of the first seat plate, and the first seat plate is connected with the flange portion.
In some embodiments of the present invention, a protruding section is provided along a side of the second impeller plate facing the second seat plate, the second impeller plate hole penetrates through the protruding section, and a side of the base main body portion facing the second impeller plate hole is inserted into the second impeller plate hole of the protruding section.
In some embodiments of the present invention, the seat further comprises a plurality of support rods, and two ends of each support rod are respectively and fixedly connected to the first seat plate and the second seat plate.
In some embodiments of the present invention, the first seat plate and the second seat plate are square plates, and the number of the support rods is four, and the support rods are correspondingly arranged at four corners of the square plate.
In some embodiments of the present invention, the first seat plate and the second seat plate are designed symmetrically, and both are square plates; the first impeller plate and the second impeller plate are symmetrically designed and are circular plates, and the radial width of the first impeller plate and the radial width of the second impeller plate are smaller than the radial widths of the first seat plate and the second seat plate.
In some embodiments of the present invention, the first impeller plate is provided with a first impeller plate hole, and the motor penetrates through the first impeller plate hole.
Compared with the prior art, the utility model has the technical advantages that:
(1) this scheme adopts no spiral case structure, can alleviate the holistic weight of cooling blower and space and account for than.
(2) The bearing part is designed to be supported by the casing, and the mounting mode is that the upper plate and the lower plate are connected, so that the stable support of the fan can be ensured.
(3) Air outlets are formed between every two adjacent blades, so that diffused air outlet is realized, and the cooling effect of the fan can be improved.
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 embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is an exploded view of a volute-less fan;
FIG. 2 is a front view of a volute-less fan;
FIG. 3 is a first perspective view of a volute-less fan;
fig. 4 is a second perspective view of a volute-less fan.
In the above figures:
1-first seat plate, 101-through hole;
2-a second seat plate, 201-a seat plate air inlet;
3-motor, 301-outer rotor, 302-flange;
4-base, 401-body portion, 402-base plate, 403-base air inlet;
5-a first impeller plate;
6-second impeller plate, 601-second impeller plate hole, 602-convex section;
7-support bar.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It will be understood that when an element is referred to as being "disposed on," "connected to," another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "upper", "lower", "bottom", and the like, as used herein, are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present invention and simplicity of description, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting.
The utility model provides a cooling fan without a volute, which can be used for cooling a heating device.
With reference to fig. 1 to 4, the fan structure comprises:
a first seat plate 1 having a flat plate shape;
the second seat plate 2: the first seat plate 1 is flat-shaped and arranged with a gap, and a seat plate air inlet 201 is arranged along the surface of the second seat plate 2;
a motor 3: is connected with the first seat plate 1 and is arranged in the gap between the first seat plate 1 and the second seat plate 2;
and (4) a base: the base plate comprises a base plate 402 and a main body part 401, a base air inlet 403 penetrating through the axial direction of the base is formed along the base plate 402 and the main body part 401, the base plate 402 is installed at the second seat plate 2, and the seat plate air inlet 201 is opposite to the base air inlet 403;
an impeller mechanism: the motor comprises a first impeller plate 5 and a second impeller plate 6 which are arranged at intervals, wherein a first impeller plate hole (not visible in the figure) is formed in the first impeller plate 5, the motor 3 penetrates through the first impeller plate hole, and a second impeller plate hole 601 is formed in the second impeller plate 6; the impeller mechanism further comprises a plurality of blades 8 which are arranged on the first impeller plate 5 and the second impeller plate 6 in a surrounding manner; to achieve a better cooling effect, the blades 8 are arranged uniformly; each blade 8 is an arc-shaped plate, and the concave side of the blade faces the position of the shaft core of the two impeller plates;
after the volute-free fan is assembled, the first impeller plate 5 is located at one side close to the first seat plate 1 and connected to the power output end of the motor 3, and the base air inlet 403 is opposite to the second impeller plate hole.
When the volute-free fan works, air enters through the seat plate air inlet 201 and the base air inlet 403, and the motor 3 drives the impeller mechanism to rotate. The cooling air is blown out through the gaps between the blades 8 to cool the heat generating equipment.
In some embodiments of the present invention, the motor 3 is an external rotor motor, and the first impeller plate 5 is connected to the motor external rotor 301.
In order to solve the problem of connection between the first impeller plate 5 and the external rotor motor, in some embodiments of the present invention, a flange portion 302 is provided around the external rotor 301 of the motor, and the first impeller plate 5 is mounted to the flange portion 302 and fixedly connected thereto by bolts. The outer rotor 301 of the motor is a substantially cylindrical body, and the flange portion 302 is a radial protrusion formed around the outer circumference of the cylindrical body and formed opposite to the outer rotor 301.
In order to solve the problem of motor installation, in some embodiments of the present invention, the first seat plate 1 is provided with a through hole 101, the end of the motor is located in the through hole 101, the flange portion 302 is clamped at the lower side of the first seat plate 1, and the first seat plate 1 is connected with the flange portion 302, and the two are fixedly connected through bolts.
To solve the problem of the fit between base 4 and second impeller plate 6, in some embodiments of the present invention, a protruding section 602 is provided along a side of second impeller plate 6 facing second seat plate 2, second impeller plate hole 601 penetrates protruding section 602, and a side of base body portion 401 facing second impeller plate hole 601 is inserted into second impeller plate hole 601 of protruding section 602.
In order to solve the problem of stable support of the volute-free fan, in some embodiments of the present invention, the volute-free fan further includes a plurality of support rods 7, and two ends of each support rod 7 are respectively and fixedly connected to the first base plate 1 and the second base plate 2. The support rod 7 is fixedly connected with the two seat plates through bolts, and in the embodiment, the support rod 7 is a rod with a certain length and an L-shaped section.
In some embodiments of the present invention, the first seat plate 1 and the second seat plate 2 are square plates, and the number of the support rods 7 is four, and the support rods are correspondingly disposed at four corners of the square plates. The structure can form a uniform support structure.
In some embodiments of the present invention, the first seat plate 1 and the second seat plate 2 are designed symmetrically, and both are square plates; the first impeller plate 5 and the second impeller plate 6 are symmetrically designed and are circular plates, and the radial width of the first impeller plate 5 and the radial width of the second impeller plate 6 are smaller than the radial widths of the first seat plate 1 and the second seat plate 2. This structure can guarantee that the major structure of fan is in the coverage of first bedplate 1 and second bedplate 2 to form the guard action.
The volute-free fan provided by the utility model has the characteristics of stable support, uniform air outlet and light weight, and can improve the heat dissipation effect.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A voluteless cooling blower comprising:
a first seat plate;
a second seat plate: the first seat plate is arranged in a clearance way, and a seat plate air inlet is arranged along the surface of the second seat plate;
a motor: the first seat plate is connected with the first seat plate and arranged in a gap between the first seat plate and the second seat plate;
a base: the base plate is arranged at the second seat plate and is opposite to the base air inlet along the base plate air inlet;
an impeller mechanism: the impeller comprises a first impeller plate and a second impeller plate which are arranged at intervals, wherein a second impeller plate hole is formed in the second impeller plate; the impeller mechanism also comprises a plurality of blades which are arranged on the first impeller plate and the second impeller plate in a surrounding way;
the first impeller plate is located near one side of the first seat plate and connected to a power output end of the motor, and the air inlet of the base is opposite to the hole of the second impeller plate.
2. The voluteless cooling blower of claim 1, wherein the motor is an outer rotor motor, and the first impeller plate is coupled to the motor outer rotor.
3. The voluteless cooling blower of claim 2, wherein a flange portion is provided around the outer rotor of the motor, and wherein the first impeller plate is mounted to the flange portion.
4. The voluteless cooling fan as recited in claim 3, wherein the first base plate has a through hole, the end of the motor is located in the through hole, the flange portion is clamped on the underside of the first base plate, and the first base plate is connected to the flange portion.
5. The voluteless cooling fan of claim 1, wherein a protruding section is provided along a side of the second impeller plate facing the second seat plate, the second impeller plate hole passing through the protruding section, and a side of the base body portion facing the second impeller plate hole is inserted into the second impeller plate hole of the protruding section.
6. The voluteless cooling fan as recited in claim 1, further comprising a plurality of support rods, wherein each support rod is fixedly connected at both ends to the first base plate and the second base plate, respectively.
7. The voluteless cooling fan as claimed in claim 6, wherein the first and second base plates are square plates, and the number of the support rods is four, and the support rods are correspondingly disposed at four corners of the square plates.
8. The voluteless cooling blower of claim 1, wherein the first and second base plates are of symmetrical design and are square plates; the first impeller plate and the second impeller plate are symmetrically designed and are circular plates, and the radial width of the first impeller plate and the radial width of the second impeller plate are smaller than the radial widths of the first seat plate and the second seat plate.
9. The voluteless cooling blower of claim 1, wherein the first impeller plate includes a first impeller plate aperture through which the motor extends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122824316.0U CN216111401U (en) | 2021-11-17 | 2021-11-17 | Cooling fan without volute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122824316.0U CN216111401U (en) | 2021-11-17 | 2021-11-17 | Cooling fan without volute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216111401U true CN216111401U (en) | 2022-03-22 |
Family
ID=80717426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122824316.0U Active CN216111401U (en) | 2021-11-17 | 2021-11-17 | Cooling fan without volute |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216111401U (en) |
-
2021
- 2021-11-17 CN CN202122824316.0U patent/CN216111401U/en active Active
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