CN115788647A - Mixed combined type automobile radiator fan - Google Patents

Abstract

The invention relates to the technical field of automobile heat dissipation fans, in particular to a hybrid combined automobile heat dissipation fan which comprises an air inlet cover and an air outlet cover detachably connected with the air inlet cover; the impeller set is rotationally connected in the air inlet cover; the mounting piece is fixedly arranged in the air inlet cover, and an annular plate is also arranged on the mounting piece; and the rotating part is fixedly connected with the other output end of the double-shaft motor, a first fan blade group is arranged on the outer wall of the left side of the rotating part, and a second fan blade group is arranged on the outer wall of the right side of the rotating part. Through the arranged impeller set and the arranged rotating piece, the air flow generated by the fan can be accelerated again, and the air blast effect is improved; and the combination sets up first fan blade group and second fan blade group on rotating the piece, can effectual reduction biax motor's pressure, guarantees efficient output, and then guarantees the high efficiency of blast air.

Description

Mixed combined type automobile radiator fan

Technical Field

The invention relates to the technical field of automobile heat dissipation fans, in particular to a hybrid combined type automobile heat dissipation fan.

Background

An automobile air conditioning system is a device for refrigerating, heating, ventilating and purifying air in a carriage. The automobile radiator consists of three parts, namely a water inlet chamber, a water outlet chamber, a radiator core and the like. The coolant flows in the radiator core, and the air passes outside the radiator. The hot coolant cools down by dissipating heat to the air, and the cold air heats up by absorbing the heat dissipated by the coolant. In the automobile radiator, a fan is required to exchange heat, so that the purpose of heat dissipation is achieved.

The existing fan applied to the automobile radiator generally adopts a single group of fans to blow air, and utilizes a positive-negative pressure mode to blow air at a fan outlet, in the process, the single group of fans need to overcome various resistances in the air blowing process, the air blowing efficiency is poor under the rated power, and the heat dissipation efficiency is slow and the experience is poor in an automobile air conditioning system.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a hybrid combined type automobile radiator fan which can effectively solve the problems that a single group of fans are generally adopted to blow air, positive pressure and negative pressure are utilized to blow air at a fan outlet, various resistances in the air blowing process need to be overcome by the single group of fans in the process, the air blowing efficiency is poor under the rated power, and the heat dissipation efficiency is slow and the experience is poor in an automobile air conditioning system.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the invention provides a hybrid combined type automobile radiator fan, which comprises an air inlet cover and an air outlet cover detachably connected with the air inlet cover;

the impeller set is rotatably connected in the air inlet cover, a flow guide block is arranged in the impeller set, an air inlet channel is formed between the outer wall of the impeller set and the outer wall of the flow guide block, and the outer wall of the right side of the flow guide block is also fixedly connected with a clamping block;

the mounting piece is fixedly mounted in the air inlet cover, a double-shaft motor is mounted in the middle of the mounting piece, the edge of the mounting piece is in a bent shape, a mounting ring for placing the double-shaft motor is fixedly mounted in the middle of the mounting piece, the output end of the double-shaft motor is fixedly connected with the flow guide block, an annular plate is further mounted on the mounting piece, a plurality of first through grooves are formed in the edge of the mounting piece in an annular structure, and a second through groove is formed in the middle of the mounting piece in an annular structure;

the rotating piece is fixedly connected with the other output end of the double-shaft motor, a first fan blade group is installed on the outer wall of the left side of the rotating piece, a second fan blade group is installed on the outer wall of the right side of the rotating piece, the middle of the rotating piece is of an annular structure and provided with a plurality of through holes, a heat dissipation barrel is fixedly installed in the middle of the right side of the rotating piece and internally provided with a heat dissipation channel, and a plurality of inclined holes are formed in the inner wall of the heat dissipation channel in an annular structure.

Furthermore, an air inlet cavity is formed in the air inlet cover, and an air outlet cavity is formed in the air outlet cover; the air inlet cavity and the air outlet cavity are communicated with the outside air.

Furthermore, a circulation gap is formed between the impeller set and the inner wall of the air inlet cavity and used for air inlet; the flow guide block is in a conical structure, and the caliber of the flow guide block is gradually increased along the air inlet direction; the guide block and the impeller set are fixedly connected through a plurality of connecting blocks.

Furthermore, the outer wall of the edge of the annular plate is in sliding fit with the outer wall of the impeller set; the clamping block is positioned in the middle of the annular plate, an installation groove is formed in the middle of the clamping block, and the inner wall of the installation groove is in sliding fit with the outer wall of the installation ring; the annular plate separates the first through groove from the second through groove, so that the air inlet channel is communicated with the second through groove, and the circulation gap between the impeller assembly and the air inlet cavity is communicated with the first through groove.

Furthermore, the outer wall of the left side of the rotating part is also fixedly provided with an annular strip; the through hole is communicated with the second through groove.

Furthermore, the middle part of the mounting piece is in an annular structure and is uniformly provided with a plurality of first heat dissipation holes; second heat dissipation holes corresponding to the first heat dissipation holes are uniformly formed in the inner wall of the left side of the heat dissipation channel; the first heat dissipation hole, the second heat dissipation hole and the heat dissipation channel are communicated.

Furthermore, the guide piece is used for guiding the gas flowing through the through hole and acting on the second fan blade group to assist the rotation of the rotating piece; the edge of the guide piece is of an annular structure and is provided with a first air guide groove, the middle part of the guide piece is provided with a lap joint groove which is lapped with the outer wall of the heat dissipation cylinder in a penetrating way, and the inner wall of the lap joint groove is of an annular structure and is provided with a plurality of second air guide grooves; and a bent plate is fixedly arranged on the outer wall of the edge of the left side of the guide piece and used for guiding the gas flowing through the through hole.

The guide piece is fixedly arranged on the shell, and a groove is formed in the outer wall of the left end of the shell; the inner wall of the groove is mutually inserted with the raised line fixedly arranged on the outer wall of the right end of the rotating piece and keeps sliding fit; the middle part of the right end of the shell is provided with a through hole which corresponds to the outlet of the right end of the heat dissipation cylinder.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:

according to the invention, through the arranged impeller set and the arranged rotating piece, the airflow generated by the fan can be accelerated again, so that the blast effect is improved; and the combination sets up first fan blade group and second fan blade group on rotating the piece, can effectual reduction biax motor's pressure, guarantees efficient output, and then guarantees the high efficiency of blast air.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic view of the external structure of a heat dissipation fan according to the present invention;

FIG. 2 is a schematic view of the overall explosion structure of the heat dissipating fan of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the impeller assembly of the present invention shown separated from the mounting member;

FIG. 5 is an enlarged view of the structure at B in FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the mounting member of the present invention shown separated from the rotational member;

FIG. 7 is an enlarged view of the structure of FIG. 6 at C;

FIG. 8 is a schematic view of the rotating member and the guide member of the present invention in a separated configuration;

FIG. 9 is an enlarged view of the structure of FIG. 8;

FIG. 10 is a schematic cross-sectional view of a heat sink fan according to the present invention;

FIG. 11 is an enlarged view of E of FIG. 10 in accordance with the present invention;

FIG. 12 is an enlarged view of the structure of FIG. 10 at F according to the present invention;

FIG. 13 is an exploded view of the radiator fan according to the present invention;

reference numerals

100. An air intake hood; 101. an air inlet cavity;

200. an air outlet cover; 201. an air outlet cavity;

300. an impeller assembly; 310. an air intake passage;

400. a flow guide block; 410. a clamping block; 411. mounting grooves; 420. connecting blocks;

500. a mounting member; 501. a first through groove; 502. a second through groove; 503. a first heat dissipation hole; 510. a mounting ring; 520. an annular plate;

600. a double-shaft motor;

700. a rotating member; 701. a loop bar; 702. a through hole; 703. a second heat dissipation hole; 704. a convex strip; 710. a first fan blade group; 720. a second fan blade group; 730. a heat dissipating cylinder; 731. a heat dissipation channel; 732. an inclined hole;

800. a guide member; 801. a first gas guiding groove; 802. a second gas guiding groove; 810. bending the plate;

900. a housing; 901. and (4) a groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

The present invention will be further described with reference to the following examples.

Example (b):

referring to fig. 1-13, the hybrid combination type radiator fan for an automobile comprises an inlet cover 100 and an outlet cover 200 detachably connected with the inlet cover 100, wherein an inlet cavity 101 is formed in the inlet cover 100, and an outlet cavity 201 is formed in the outlet cover 200; the air inlet cavity 101 and the air outlet cavity 201 are communicated with external air, the air inlet cover 100 and the air outlet cover 200 can be installed in a clamping mode, the radiator fan and an automobile can be fixedly installed through the installation base on the outer wall of the air inlet cover 100, after the air inlet cover 100 and the air outlet cover 200 are installed, the air inlet cavity 101 and the air outlet cavity 201 which are arranged can form a relatively sealed cavity, and two outlets are respectively arranged on the left side and the right side of the cavity and are communicated with the external air;

in the present case, an impeller assembly 300 is rotatably connected to the intake cover 100, and it is worth to be noted that the impeller assembly 300 can be driven to rotate by a dual-shaft motor 600 disposed in the intake chamber 101, a flow guide block 400 is disposed in the impeller assembly 300, an intake passage 310 is formed between an outer wall of the impeller assembly 300 and an outer wall of the flow guide block 400, a flow gap is formed between the impeller assembly 300 and an inner wall of the intake chamber 101 for air intake, and an output end of the dual-shaft motor 600 is fixedly connected to the flow guide block 400; the flow guide block 400 is of a conical structure, and the caliber of the flow guide block is gradually increased along the air inlet direction; the guide block 400 is fixedly connected with the impeller set 300 through the plurality of connecting blocks 420, when the set double-shaft motor 600 drives the set impeller set 300 to rotate, the impeller set 300 is positioned at an inlet of the air inlet cavity 101 at the moment, a certain negative pressure is formed at the position due to the high rotating speed of the impeller set 300, and then air suction is realized, and it is worth explaining that an open space is formed in the middle of the impeller set 300, and the guide block 400 is connected in the open space through the connecting blocks 420, so when the impeller set 300 rotates, two air inlet modes are provided, one is a flow gap between the air inlet cover 100 and the outer wall of the impeller set 300, and the other is an air inlet channel 310 between the impeller set 300 and the middle of the guide block 400, and through the mode, the air inlet total amount of the radiator fan can be increased, and the air blowing effect of the radiator fan is improved.

In the scheme, a mounting piece 500 is fixedly mounted in the air inlet cover 100, a mounting ring 510 for placing a double-shaft motor 600 is fixedly mounted in the middle of the mounting piece 500, the edge of the mounting piece 500 is bent, the outer wall of the mounting piece 500 is fixedly connected with the inner wall of the air inlet cavity 101, and a clamping block 410 is fixedly connected to the outer wall of the right side of the flow guide block 400; mounting groove 411 has been seted up at the middle part of joint piece 410, the inner wall of mounting groove 411 and the outer wall sliding fit of collar 510, it is specific, collar 510 middle part provides an installation space and is used for placing biaxial motor 600, in order to guarantee good syllable-dividing damping effect, the inner wall of collar 510 that sets up still is provided with a puigging, the parcel is on the outer wall of biaxial motor 600, and in order to guarantee good syllable-dividing effect, the collar 510 that sets up is pegged graft in seting up the mounting groove 411 with joint piece 410 middle part, and be worth explaining, because biaxial motor 600 can drive the impeller assembly 300 of setting and rotate in actual use, consequently, the inner wall of mounting groove 411 keeps sliding fit with the outer wall of the collar 510 that sets up.

After the dual-shaft motor 600 is fixedly installed by the installation member 500, after the impeller assembly 300 is blown when rotating, and two airflows are generated from the flow gap and the air inlet channel 310 respectively for blowing, and for the two airflows, the installation member 500 also effectively separates the two airflows, specifically, the edge of the installation member 500 is provided with a plurality of first through grooves 501 in an annular structure, the middle of the installation member 500 is provided with a second through groove 502 in an annular structure, the airflows in the flow gap can continuously flow to the air outlet cavity 201 from the first through grooves 501 arranged on the installation member 500, and the airflows blown in the air inlet channel 310 can continuously flow to the air outlet cavity 201 from the second through grooves 502 arranged on the installation member 500, and in order to prevent the two airflows from colliding with each other to form turbulence in the actual flowing process and influence the blowing efficiency, in the installation member 500 is further provided with an annular plate 520, and the edge outer wall of the annular plate 520 is in sliding fit with the outer wall of the impeller assembly 300; the clamping block 410 is positioned in the middle of the annular plate 520; the annular plate 520 separates the first through groove 501 and the second through groove 502, so that the air inlet channel 310 is communicated with the second through groove 502, the circulation gap between the impeller set 300 and the air inlet cavity 101 is communicated with the first through groove 501, the two air flows can be well separated through the annular plate 520 in an arc-shaped structure, the two air flows are prevented from being contacted with each other to generate turbulence, and efficient air blowing is guaranteed.

In the present application, effective air blowing can be achieved through the impeller assembly 300, and efficient air blowing can be ensured by effectively avoiding generation of turbulence through the two air flow tracks, but a single impeller assembly 300 is adopted to rotate to drive air to flow, and the flow rate of the air is limited, so that the air blowing effect is also limited, in the present application, a rotating member 700 which rotates relative to the air inlet hood 100 is further arranged along the flow direction of the air to drive the air to flow, specifically, the rotating member 700 is fixedly connected with the other output end of the dual-shaft motor 600, one end of the dual-shaft motor 600 is fixedly connected with the impeller assembly 300, in the present application, when the dual-shaft motor 600 rotates, the rotating member can respectively drive the impeller assembly 300 and the rotating member 700 to synchronously move, when the rotating member 700 rotates, the first impeller assembly arranged on the outer wall on the left side of the rotating member 700 keeps rotating, it is worth saying that, at the edge of the impeller assembly 300, the air can be continuously transported through the first impeller assembly 710 in a rotating state, and it is worth saying that, when the rotating member 700 rotates, the first impeller assembly 701 on the edge of the impeller assembly 700, the first impeller 710 can continuously transport the air flow through the first impeller assembly 701, and the fan 710, and the fan can be further ensure that the air flow can be stably transported along the direction of the first impeller 710, and the fan 710 can be stably transported.

Meanwhile, the second fan blade group 720 is installed on the outer wall of the right side of the rotating member 700 and is used for assisting the rotation of the rotating member 700, it should be noted that since the airflow blown to the first fan blade group 710 has a certain flow rate, the original flow track of the airflow needs to be broken again by the first fan blade group 710 in the rotating state, and therefore the rotating blowing of the rotating member 700 can drive the biaxial motor 600 to have a larger output pressure, in this case, the rotating member 700 is further provided with the second fan blade group 720, the second fan blade group 720 has no external driving force, but uses the airflow flowing through the second through groove 502 to assist the rotation thereof, specifically, the rotating member 700 further comprises a guide member 800 arranged at the right side of the rotating member 700 and used for guiding the air flowing through the through hole 702 and acting on the second fan blade group 720 to assist the rotation of the rotating member 700; the outer wall of the left edge of the guide 800 is fixedly provided with a curved plate 810 for guiding the air flowing through the through hole 702, specifically, the middle part of the rotating member 700 is provided with a plurality of through holes 702 in an annular structure, and in combination with the relationship that the through holes 702 and the second through grooves 502 are communicated, the air flow passing through the second through grooves 502 flows out from the through holes 702, and blows on the curved plate 810 arranged, continues to flow along the curved direction of the curved plate 810, and blows on the second fan blade set 720 arranged, the auxiliary rotating member 700 rotates, and the edge of the guide 800 is provided with a first air guide groove 801 in an annular structure, and the air flow acting on the second fan blade set 720 can continue to flow into the air outlet cavity 201 from the first air guide groove 801 arranged after the auxiliary second fan blade set 720 rotates.

In the present case, because the biax motor 600 that sets up needs to drive the impeller assembly 300 that sets up simultaneously and rotate 700 synchronous rotation, consequently can produce certain heat when its moves, consequently in the present case, still carry out certain design to the heat dissipation of biax motor 600, it is concrete, the right side middle part fixed mounting who rotates piece 700 has a radiating cylinder 730, radiating channel 731 has been seted up to its inside, it has seted up a plurality of inclined holes 732 to be the loop configuration on radiating channel 731's the inner wall, the middle part of guide 800 runs through and sets up the overlap joint groove with radiating cylinder 730 outer wall overlap joint, it has a plurality of second air guide grooves 802 to be the loop configuration on the overlap joint inslot wall. The middle part of the mounting member 500 is provided with a plurality of first heat dissipation holes 503 uniformly in an annular structure; second heat dissipation holes 703 corresponding to the first heat dissipation holes 503 are uniformly formed on the inner wall of the left side of the heat dissipation channel 731; first louvre 503, second louvre 703 and heat dissipation channel 731 communicate, about the heat dissipation to biax motor 600, need utilize the air current that flows from through-hole 702, take away the heat through the air current, specifically, after the air current gushes into from through-hole 702, one side can flow through the second air guide slot 802 who sets up, still some can get into heat dissipation channel 731 from the tip hole 732 who sets up in, increase the flow velocity of gas in the heat dissipation cylinder 730, and biax motor 600 heat can get into heat dissipation channel 731 from the first louvre 503 that sets up through second louvre 703, and is taken away in heat dissipation channel 731 right side port department through the air current in it, realize the effective heat dissipation to biax motor 600.

The air outlet hood further comprises a shell 900 which is fixedly arranged on the air outlet hood 200, the guide piece 800 is fixedly arranged on the shell 900, and the outer wall of the left end of the shell 900 is provided with a groove 901; the inner wall of the groove 901 is inserted into the convex strip 704 fixedly arranged on the outer wall of the right end of the rotating member 700 and keeps sliding fit; the through hole is formed in the middle of the right end of the shell 900 and corresponds to the outlet of the right end of the heat dissipation cylinder 730, and the through hole is used for cutting off two air flows and reducing the generation of turbulent flow through the arranged shell 900.

The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not depart from the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. Mix combination formula auto radiator fan, its characterized in that includes:

the air inlet cover (100) and the air outlet cover (200) are detachably connected with the air inlet cover (100);

the impeller assembly (300) is rotatably connected in the air inlet cover (100), a guide block (400) is arranged in the impeller assembly (300), an air inlet channel (310) is formed between the outer wall of the impeller assembly (300) and the outer wall of the guide block (400), and a clamping block (410) is fixedly connected to the outer wall of the right side of the guide block (400);

the mounting part (500) is fixedly mounted in the air inlet cover (100), a double-shaft motor (600) is mounted in the middle of the mounting part (500), the edge of the mounting part (500) is bent, a mounting ring (510) used for placing the double-shaft motor (600) is fixedly mounted in the middle of the mounting part (500), the output end of the double-shaft motor (600) is fixedly connected with the flow guide block (400), an annular plate (520) is further mounted on the mounting part (500), a plurality of first through grooves (501) are formed in the edge of the mounting part (500) in an annular structure, and a second through groove (502) is formed in the middle of the mounting part (500) in an annular structure;

rotate piece (700), it is with another output fixed connection of double-shaft motor (600), install first fan blade group (710) on the left side outer wall of rotation piece (700), install second fan blade group (720) on the right side outer wall of rotation piece (700), the middle part of rotating piece (700) is the loop configuration and has seted up a plurality of through-holes (702), the right side middle part fixed mounting who rotates piece (700) has a heat dissipation section of thick bamboo (730), its inside heat dissipation channel (731) of having seted up, it has a plurality of inclined holes (732) to be the loop configuration on the inner wall of heat dissipation channel (731).

2. The hybrid combination vehicle radiator fan of claim 1,

an air inlet cavity (101) is formed in the air inlet cover (100), and an air outlet cavity (201) is formed in the air outlet cover (200);

the air inlet cavity (101) and the air outlet cavity (201) are communicated with the outside air.

3. The hybrid combination vehicle radiator fan of claim 2,

a flow gap exists between the impeller set (300) and the inner wall of the air inlet cavity (101) for air inlet;

the flow guide block (400) is of a conical structure, and the caliber of the flow guide block is gradually increased along the air inlet direction;

the guide block (400) and the impeller set (300) are fixedly connected through a plurality of connecting blocks (420).

4. The hybrid combination vehicle radiator fan of claim 3,

the outer wall of the edge of the annular plate (520) is in sliding fit with the outer wall of the impeller set (300);

the clamping block (410) is positioned in the middle of the annular plate (520), an installation groove (411) is formed in the middle of the clamping block (410), and the inner wall of the installation groove (411) is in sliding fit with the outer wall of the installation ring (510);

an annular plate (520) separates the first through slot (501) and the second through slot (502) so that the air intake channel (310) is in communication with the second through slot (502) and the flow gap between the impeller assembly (300) and the air intake chamber (101) is in communication with the first through slot (501).

5. The hybrid combination vehicle radiator fan of claim 4,

an annular bar (701) is fixedly arranged on the outer wall of the left side of the rotating piece (700);

the through hole (702) is in communication with the second through groove (502).

6. The hybrid combination vehicle radiator fan of claim 5,

the middle part of the mounting piece (500) is in an annular structure and is uniformly provided with a plurality of first heat dissipation holes (503);

second heat dissipation holes (703) corresponding to the first heat dissipation holes (503) are uniformly formed in the inner wall of the left side of the heat dissipation channel (731);

the first heat dissipation hole (503), the second heat dissipation hole (703) and the heat dissipation channel (731) are communicated.

7. The hybrid combination automotive radiator fan of claim 6, further comprising:

the guide piece (800) is used for guiding the gas flowing through the through hole (702) and acting on the second fan blade group (720) to assist the rotation of the rotating piece (700);

a first air guide groove (801) is formed in the edge of the guide piece (800) in an annular structure, a lap joint groove lapped with the outer wall of the heat radiating cylinder (730) is formed in the middle of the guide piece (800) in a penetrating mode, and a plurality of second air guide grooves (802) are formed in the inner wall of the lap joint groove in an annular structure;

a bent plate (810) is fixedly installed on the outer wall of the left edge of the guide (800) and used for guiding the gas flowing through the through hole (702).

8. The hybrid combination automotive radiator fan of claim 7, further comprising:

the guide piece (800) is fixedly arranged on the shell (900), the shell (900) is fixedly arranged on the air outlet cover (200), and the outer wall of the left end of the shell (900) is provided with a groove (901);

the inner wall of the groove (901) is mutually inserted with a convex strip (704) fixedly arranged on the outer wall of the right end of the rotating piece (700) and keeps sliding fit;

the middle part of the right end of the shell (900) is provided with a through hole which corresponds to the outlet of the right end of the heat radiation cylinder (730).

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