CN217055640U

CN217055640U - Integrated modularized fan and heat pump unit

Info

Publication number: CN217055640U
Application number: CN202123303062.4U
Authority: CN
Inventors: 周一帆; 侯明杰; 雷朋飞; 张利; 叶景发; 杨祖发
Original assignee: Guangdong PHNIX Eco Energy Solution Ltd
Current assignee: Guangdong PHNIX Eco Energy Solution Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-26
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses an integrated modularized fan and a heat pump unit, wherein the integrated modularized fan comprises a wind guide piece, a motor bracket, a motor and an impeller; the air guide piece is provided with an air outlet, and one side of the air guide piece is provided with a plurality of positioning grooves; the motor support is of a cylindrical grid structure, a plurality of positioning lug seats are arranged on the outer ring of the motor support, and the positions, the number and the shapes of the positioning lug seats and the positioning grooves are matched; the motor support is provided with a motor mounting hole, the motor is fixed in the motor mounting hole, the inner diameter of the motor mounting hole is matched with the outer diameter of the motor, and the impeller is mounted on a rotating shaft of the motor and extends into the air outlet. The utility model discloses an among the integrative modularization fan, adopt positioning groove and location ear seat with motor support and air guide to match the location, ensure the two coaxial, establish the location fit relation with impeller and air outlet through the motor support to ensure that the air outlet of air guide is coaxial with the impeller, thereby avoid the inner wall of impeller and air outlet to take place to cut to rub and interfere.

Description

Integrated modularized fan and heat pump unit

Technical Field

The utility model belongs to the technical field of the heat pump fan, concretely relates to integrative modularization fan and heat pump set.

Background

The structure of traditional heat pump side air-out does, sets up the air outlet on the lateral wall of box, and air outlet rear installation fan, both ends are fixed with the upper and lower wall of box respectively about it adopts the installing support, and the wind-guiding piece of fan is fixed on the installing support, and the motor passes through the motor support to be fixed on the installing support and be located the rear of wind-guiding piece. Under the structure, due to the fact that a direct positioning structure does not exist between the motor support and the air guide, and due to machining errors and assembly errors, the concentricity of the impeller of the fan and the air guide is difficult to guarantee, and the impeller and an inner ring of the air guide are prone to scratch interference. In order to solve the problem, the currently adopted mode is to increase the diameter of the air guide piece in the early design stage and increase the unilateral gap between the air guide piece and the wind wheel, but the unilateral gap also causes the volume loss of the air volume, increases the turbulent flow of the blade tip and generates noise, and the scheme is not a good solution.

Therefore, a new technology is needed to solve the problem that the concentricity of the impeller and the air guide is difficult to ensure in the prior art.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem among the prior art, the utility model provides an integrative modularization fan and heat pump set, its air guide has location structure with the wind wheel, can guarantee the concentricity of air guide and wind wheel, avoids impeller and air guide inner circle to cut to pieces and rub the interference, can not cause amount of wind volume loss, noise production scheduling problem simultaneously.

The utility model adopts the following technical scheme:

an integrated modular fan comprises an air guide, a motor bracket, a motor and an impeller;

the air guide piece is provided with a circular air outlet, and one side of the air guide piece is circularly provided with a plurality of positioning grooves around the axis of the air outlet;

the motor support is of a cylindrical grid structure, the outer ring of the motor support is circularly provided with a plurality of positioning lug seats around the axis of the motor support, and the positions, the number and the shapes of the positioning lug seats are matched with those of the positioning grooves;

the motor support is provided with a motor mounting hole, the motor mounting hole and the motor support are coaxially arranged, the motor is fixed in the motor mounting hole, the inner diameter of the motor mounting hole is matched with the outer diameter of the motor, and the impeller is mounted on a rotating shaft of the motor and extends into the air outlet;

the air guide piece deviates from one side of the motor support is provided with a plurality of fixing holes.

In some embodiments, the air guide comprises a plate-shaped air guide main body and a convex ring convexly arranged on one side of the air guide main body, the air outlet is arranged on the air guide main body, the convex ring and the air outlet are coaxially arranged, and the inner diameter of the convex ring is equal to that of the air outlet; the positioning groove is arranged on the convex ring.

In some embodiments, the positioning groove is arranged along a radial direction, the outer circumference of the convex ring is provided with an outer convex lug corresponding to the position of the positioning groove along the radial direction, and the outer end of the positioning groove extends to the outer convex lug and exceeds the outer circumferential surface of the convex ring.

In some embodiments, the plurality of positioning grooves are equally spaced.

In some embodiments, the motor support comprises a plurality of warp threads arranged in a radial direction and a plurality of annular weft threads, and the warp threads and the weft threads are mutually crossed to form the grid structure.

In some embodiments, the warp and the weft are woven fabric.

In some embodiments, the warp threads are a double-thread structure formed by bending the same iron wire for 180 degrees, and the positioning lug seat is formed at the bending position.

In some embodiments, the rear side of the impeller in the direction of rotation is serrated.

In some embodiments, the air guide comprises an EPP body, a stiffener, and a support frame; the two reinforcing strips are embedded in the EPP main body and are respectively positioned at two sides of the air outlet; the number and the positions of the support frames correspond to those of the positioning grooves one by one, and each support frame is embedded in the EPP main body; a convex branch is arranged on one side, close to the air outlet, of the reinforcing strip, and a supporting frame close to the reinforcing strip is fixedly connected with the branch; the support frame is in a shape of a Chinese character ji and is provided with a connecting hole for fixing the motor support.

A heat pump unit comprises the integrated modular fan.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an among the integrative modularization fan, adopt positioning groove and location ear seat to match the location with motor support and air guide, ensure the two coaxial, fix a position motor support and motor, and the impeller is coaxial with motor support, establish its direct location fit relation, thereby it is coaxial with the impeller to ensure the air outlet of air guide, thereby the inner wall of avoiding impeller and air outlet takes place to cut to rub to interfere, under this kind of mode, need not the internal diameter with the air outlet and enlarge, ensure the amount of wind volume, avoid the noise that the apex turbulent flow produced, it is quieter during the use.

Drawings

The technology of the present invention will be described in further detail with reference to the accompanying drawings and detailed description:

FIG. 1 is a schematic view of the overall construction of the present integrated modular fan;

FIG. 2 is a second angled overall schematic view of the present integrated modular fan;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a front view of the present integrated modular fan;

FIG. 5 is a perspective view of a wind guide;

FIG. 6 is a schematic view showing the positional arrangement of the reinforcing bars and the supporting frames;

fig. 7 is a structural schematic diagram of the support frame.

Reference numerals:

1-an air guide member; 11-a wind guide main body; 111-air outlet; 112-fixing holes; 12-a convex ring; 121-positioning grooves; 122-an outer lug; 131-an EPP body; 132-a reinforcing strip; 1321-limb; 133-a support frame; 1331-connecting holes; 2-a motor bracket; 21-positioning the ear seat; 22-motor mounting holes; 23-warp yarn; 24-weft; 3, a motor; 4-an impeller; 5-screw.

Detailed Description

The conception, specific structure and resulting technical effects of the present invention will be made clear and fully described with reference to the accompanying drawings and examples, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The same reference numbers will be used throughout the drawings to refer to the same or like parts.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, etc. used in the present invention is only relative to the mutual positional relationship of the components of the present invention in the drawings.

Referring to fig. 1 to 7, an integrated modular fan includes a wind guide 1, a motor bracket 2, a motor 3, and an impeller 4.

Referring to fig. 1 to 4, the air guide 1 is provided with a circular air outlet 111, and a plurality of positioning grooves 121 are circularly formed on one side of the air guide 1 around an axis of the air outlet 111. Motor support 2 is for being cylindric spatial grid structure, motor support 2's outer lane is circularly around self axis and is equipped with a plurality of location ear seat 21, a plurality of location ear seat 21 position, quantity and shape with a plurality of positioning groove 121's position, quantity and shape phase-match. The motor support 2 and the air guide 1 are matched and positioned through the positioning groove 121 and the positioning lug seat 21, so that the coaxiality between the motor support 2 and the air guide 1 is ensured.

Referring to fig. 1, the motor bracket 2 is provided with a motor mounting hole 22, the motor mounting hole 22 and the motor bracket 2 are coaxially arranged, the motor 3 is fixed in the motor mounting hole 22, the inner diameter of the motor mounting hole 22 is matched with the outer diameter of the motor 3, and the impeller 4 is installed on the rotating shaft of the motor 3 and extends into the air outlet 111. Because the coaxiality between the motor support 2 and the air guide 1 is ensured through the positioning groove 121 and the positioning lug seat 21, the coaxiality between the motor mounting hole 22 and the air outlet 111 can also be ensured, and the coaxiality between the rotating shaft of the motor 3 and the air outlet 111 can also be ensured due to the adaptation of the outer diameter of the motor 3 and the inner diameter of the motor mounting hole 22, so that the coaxiality between the impeller 4 and the air outlet 111 can also be ensured after the impeller 4 is mounted on the rotating shaft of the motor 3.

In addition, a plurality of fixing holes 112 are formed in one surface, away from the motor support 2, of the air guide 1, and the fixing holes 112 are used for installing the air guide 1 on the side wall of the box body and fixing the air guide 1 through screws penetrating through the fixing holes 112.

Based on the structure, the motor support 2 and the air guide 1 are matched and positioned by the positioning groove 121 and the positioning lug seat 21, the motor support 2 and the motor 3 are coaxially positioned, the impeller 4 and the motor support 2 are coaxial, and a direct positioning matching relation is established, so that the air outlet 111 of the air guide 1 is coaxial with the impeller 4, the inner wall of the impeller 4 and the inner wall of the air outlet 111 are prevented from scratch and rubbing, the inner diameter of the air outlet 111 does not need to be enlarged, the air volume is ensured, noise generated by tip turbulence is avoided, and the air guide is quieter in use.

Specifically, referring to fig. 2 and 3, the air guide 1 includes a plate-shaped air guide body 11 and a convex ring 12 provided to protrude on one side of the air guide body 11, the air outlet 111 is provided on the air guide body 11, the convex ring 12 is provided coaxially with the air outlet 111, and an inner diameter of the convex ring 12 is equal to an inner diameter of the air outlet 111; the positioning groove 121 is formed on the protruding ring 12. The air guide 1 is divided into the air guide main body 11 and the convex ring 12, so that the whole air guide 1 does not need to be made into a structure with the same thickness, and the air guide 1 can be ensured to use less materials under the condition that the lengths of the air outlets 111 are the same.

In one embodiment, referring to fig. 5 to 7, the air guide 1 includes an EPP main body 131, a reinforcing bar 132, and a support frame 133; the two reinforcing bars 132 are embedded in the EPP body 131 and located at two sides of the air outlet 111; the number and the positions of the support frames 133 correspond to those of the positioning grooves 121 one by one, and each support frame 133 is embedded in the EPP main body 131; a convex branch 1321 is arranged on one side, close to the air outlet, of the reinforcing strip 132, and the supporting frame 133, close to the reinforcing strip 132, is fixedly connected with the branch 1321; the support frame 133 is shaped like a "few" and is provided with a connection hole 1331 for fixing the motor bracket 2. EPP main part 131, it adopts the EPP material to make, the EPP material has specific gravity light, the anti vibration resistance to compression, inhale the sound, it is heat-resisting, characteristics such as environment-friendly, it can effectively reduce fan vibration and noise to make into air guide 1, and compare traditional scheme, transportation and former material cost are more advantageous, the price/performance ratio is higher, compare traditional air guide 1 material, EPP air guide 1 workable, thereby can realize the wind-guiding circle height technically, the optimal design of business turn over wind gap 111 air guide, guarantee the homogeneity of air-out air current, turbulent intensity is littleer, the noise is better. Since the EPP body 131 is light and the weight of the motor 3 is heavy, the support strength can be enhanced by embedding the reinforcing bars 132 and the support frames 133 in the EPP body 131 to stably support the motor 3, wherein the reinforcing bars 132 and the support frames 133 are made of metal, such as steel. The connecting holes 1331 of the supporting frame 133 may be threaded holes, which are connected with the motor bracket 2 through screws 5, so as to fix the motor bracket 2 on the air guide 1, and the supporting frame 133 close to the reinforcing strip 132 is fixed on the branch 1321, so as to further improve the stability of the supporting frame 133 on the EPP main body 131, and further enhance the supporting strength of the supporting frame 2.

Preferably, referring to fig. 2 and 3, the positioning grooves 121 are arranged in a radial direction, the outer circumference of the male ring 12 is provided with outer lugs 122 corresponding to the positions of the positioning grooves 121 in the radial direction, and the outer ends of the positioning grooves 121 extend to the outer lugs 122 and beyond the outer circumference of the male ring 12. The outer lugs 122 are arranged to protrude the circumferential surface of the protruding ring 12, so that the length of the positioning groove 121 can be ensured, the ring thickness of the protruding ring 12 can be reduced, and the material of the wind guide 1 can be further saved.

Referring to fig. 2, the plurality of positioning grooves 121 are arranged at equal intervals, and do not need to be adjusted to a specific angle during assembly, so that the installation is more convenient. In one embodiment, there are 6 positioning recesses 121, and correspondingly, there are 6 positioning ear seats 21.

Specifically, refer to fig. 2 and 3, motor support 2 includes a plurality of warp 23 and a plurality of annular weft 24 that are radial setting, warp 23 and weft 24 handing-over each other form spatial grid structure adopts warp 23 and weft 24 to constitute the rack, and the atress is balanced to spatial grid structure's motor support 2 can the at utmost reduce the windward area, reduces the windage, and can play the cushioning effect, reduces the vibration of motor 3 to the heat pump complete machine. In some embodiments, the warp yarns 23 and the weft yarns 24 are made of iron wires and are formed by bending and surrounding the iron wires.

Preferably, referring to fig. 3, the warp 23 is a double-wire structure formed by bending the same iron wire 180 degrees, the positioning ear seat 21 is formed at the bending position, after the iron wire is bent 180 degrees, the iron wire is folded, an installation position of a fastener is formed between two wires of the iron wire, and the positioning ear seat 21 and the air guide 1 can be connected and fixed by inserting the fastener into the installation position. Wherein, the fastener is the screw, correspondingly, is equipped with the screw in positioning groove 121.

In some embodiments, referring to fig. 1 and 4, the rear side of the impeller 4 in the rotation direction is serrated, which can reduce noise when the impeller 4 rotates.

A heat pump unit comprises the integrated modular fan.

Other contents of integrative modularization fan refer to prior art, no longer give unnecessary details here.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical essence of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.

Claims

1. An integrated modular fan is characterized by comprising an air guide, a motor bracket, a motor and an impeller;

and a plurality of fixing holes are formed in one surface of the air guide piece, which deviates from the motor support.

2. The integrated modular fan as claimed in claim 1, wherein the air guide comprises a plate-shaped air guide body and a convex ring protruding from one side of the air guide body, the air outlet is disposed on the air guide body, the convex ring and the air outlet are coaxially disposed, and the inner diameter of the convex ring is equal to the inner diameter of the air outlet; the positioning groove is arranged on the convex ring.

3. The integrated modular fan of claim 2, wherein the positioning grooves are radially arranged, the outer circumference of the protruding ring is radially provided with outer lugs corresponding to the positions of the positioning grooves, and the outer ends of the positioning grooves extend to the outer lugs and exceed the outer circumferential surface of the protruding ring.

4. The integrated modular fan of claim 1, wherein the plurality of detents are equally spaced.

5. The integrated modular fan of claim 1, wherein the motor support comprises a plurality of radially disposed warp yarns and a plurality of annular weft yarns, the warp yarns and the weft yarns intersecting to form the lattice structure.

6. The integrated modular fan of claim 5, wherein the warp and weft are woven wire.

7. The integrated modular fan of claim 6, wherein the warp is a double-wire structure formed by bending the same iron wire for 180 degrees, and the positioning lug is formed at the bent position.

8. The integrated modular fan of claim 1, wherein the rear side of the impeller in the direction of rotation is serrated.

9. The integrated modular fan of any of claims 1-8, wherein the air guide comprises an EPP body, a reinforcing strip, and a support frame; the two reinforcing strips are embedded in the EPP main body and are respectively positioned at two sides of the air outlet; the number and the positions of the support frames correspond to those of the positioning grooves one by one, and each support frame is embedded in the EPP main body; a convex branch is arranged on one side, close to the air outlet, of the reinforcing strip, and a supporting frame close to the reinforcing strip is fixedly connected with the branch; the support frame is "nearly" type and is equipped with the connecting hole that is used for fixing the motor support.

10. A heat pump unit comprising an integral modular fan according to any of claims 1 to 9.