Air conditioner outdoor unit fan frame and air conditioner

Abstract

The present invention relates to a fan frame of an outdoor unit of an air conditioner and an air conditioner, wherein the motor frame comprises a motor support, a fan and a heating component; a motor mounting structure is provided on the side of the motor support, and the fan is mounted on the motor mounting structure; the heating component is arranged on the motor support and can be lifted and moved on the motor support; the solution provided by the present invention can enhance the uniformity of heating by arranging a lifting and moving heating component on the fan frame, thereby solving the problem of uneven heating, deicing and defrosting of a chassis in an outdoor unit of the air conditioner.

Description

Technical Field

[0001] The invention relates to the technical field of a fan frame of an outdoor unit of an air conditioner, and in particular to a fan frame of an outdoor unit of an air conditioner and an air conditioner. Background Art

[0002] With the increasing demand for various refrigeration equipment, the types of special machines and various outdoor units are gradually increasing; the fan frame is an important component connecting the shell and the fan, and mold forming is often used in conventional household fields; the mold increases the stiffness of the bend and the whole by adding ribs and ribs, but the overall cost of sheet metal mold opening is high, which is not applicable to small-scale models.

[0003] In the existing air-conditioning outdoor unit, most of the noise of the fan part of the outdoor unit comes from its vibration and sudden change of wind pressure, and the fan frame needs to reduce the windshield area while meeting the stiffness and avoiding the modal frequency of the whole machine; further, in the severe cold weather in the north, when it snows or the indoor side is heated, frost and ice are easy to form on the outdoor side, which seriously affects the efficiency of the air conditioner and poses a safety hazard. The conventional defrosting and defrosting method is to add electric heating components to the chassis, but it still has the problems of low efficiency and uneven ice melting. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide an air conditioner outdoor unit fan frame and an air conditioner, aiming to solve the problem of uneven heating, deicing and defrosting of the chassis in the existing air conditioner outdoor unit.

[0005] The present invention aims to design a fan rack for an outdoor unit of an air conditioner, wherein the motor rack comprises a motor bracket, a fan and a heating component; a motor mounting structure is provided on the side of the motor bracket, and the fan is mounted on the motor mounting structure; the heating component is arranged on the motor bracket and can be lifted and moved on the motor bracket.

[0006] In some embodiments, the heating assembly includes a heating fixing clamp and an electric heating component, the electric heating component is arranged on the heating fixing clamp, and the heating fixing clamp is provided with a plurality of through holes, the openings of the through holes face the windward side of the fan; the heating fixing clamp is movably arranged on the motor bracket, and can be lifted and moved in the vertical direction on the motor bracket.

[0007] In some embodiments, the motor bracket includes a support plate; the two sides of the electric heating component are respectively clamped on the heating fixing clamps; the heating fixing clamps on both sides of the electric heating component are respectively movably arranged in the guide rails on both sides of the support plate, and can be lifted and slid in the guide rails.

[0008] In some embodiments, the heating fixing clamp includes a first clamping plate and a second clamping plate, a clamping cavity is formed between the first clamping plate and the second clamping plate, one side of the first clamping plate is bent to form a bent edge, and the electric heating component is an electric heating belt; the side edge of the electric heating belt is clamped in the clamping cavity; the heating fixing clamp is slidably connected to the guide rail through the bent edge.

[0009] In some embodiments, a through slot is provided on the panel of the support plate; a driving mechanism is provided on the motor bracket, the driving mechanism is connected to the heating fixing clamp, and can drive the heating fixing clamp to rise and fall and slide in the guide rail groove in a vertical direction.

[0010] In some embodiments, the first clamping plate and the second clamping plate are formed by bending a straight plate; the clamping cavity includes an inner cavity and an outer cavity, the width of the outer cavity is greater than the width of the inner cavity, and the first clamping plate and the second clamping plate on both sides of the outer cavity are respectively provided with multiple through holes; the electric heating belt extends into the clamping cavity and is clamped in the inner cavity.

[0011] In some embodiments, the driving mechanism includes a driving component and a connecting rod, the connecting rod is arranged on the motor bracket along the vertical direction; one end of the connecting rod is transmission-connected to the driving component, and the other end of the connecting rod is connected to the connecting hole on the heating fixing clamp; the driving component can drive the connecting rod to drive the heating fixing clamp to rise and fall and slide along the vertical direction on the motor bracket.

[0012] In some embodiments, the motor bracket includes a support plate, an upper connecting plate is provided at one end of the support plate, a panel fixing hole is provided on the upper connecting plate, and a lower connecting plate is provided at the other end of the support plate, and a chassis fixing hole is provided on the lower connecting plate; the motor mounting structure is a motor fixing plate, and the motor fixing plate is protruded and arranged in the middle position of the side of the motor bracket; the fan includes a motor, and the motor is connected to the motor bracket by screws.

[0013] Correspondingly, in combination with the above scheme, the present invention further provides an air conditioner, including an air conditioner outdoor unit, wherein a fan rack is provided in the air conditioner outdoor unit, and the fan rack is the air conditioner outdoor unit fan rack described above.

[0014] In some embodiments, the upper end of the motor bracket is connected to the panel or beam of the air conditioner outdoor unit through its upper connecting plate, and the lower end of the motor bracket is connected to the chassis of the air conditioner outdoor unit through its lower connecting plate; the heating component is also electrically connected to the control system of the air conditioner and can defrost the air conditioner outdoor unit.

[0015] The solution provided by the present invention is to provide a lifting and moving heating component on the fan frame, so as to enhance the uniformity of heating and solve the problem of uneven heating and defrosting of the chassis in the outdoor unit of the air conditioner.

[0016] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of an installation of a fan frame and a motor of an outdoor unit of an air conditioner according to an exemplary embodiment of the present invention;

[0019] Figure 2 It is an exploded view of a fan frame and a motor installation of an air conditioner outdoor unit according to an exemplary embodiment of the present invention;

[0020] Figure 3 is a schematic diagram of a fan frame structure of an air conditioner outdoor unit according to an exemplary embodiment of the present invention;

[0021] Figure 4 is a schematic diagram showing the installation of a heating fixing clamp according to an exemplary embodiment of the present invention;

[0022] Figure 5 is a schematic diagram of the first-order mode of a heating fixing clamp according to an exemplary embodiment of the present invention.

[0023] In the figure: 1. Motor bracket; 11. Support plate; 12. Upper connecting plate; 13. Lower connecting plate; 14. Motor fixing plate; 15. Guide rail; 16. Panel fixing hole; 17. Wiring fixing hole; 18. Chassis fixing hole; 19. Through slot; 2. Heating fixing clamp; 21. First clamping plate; 22. Second clamping plate; 23. Through hole; 24. Connecting hole; 25. Clamp cavity; 251. Inner cavity; 252. Outer cavity; 26. Bending edge; 3. Electric heating component; 4. Motor; 5. Screw.

[0024] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0025] In the description of the present invention, it should be noted that the terms "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "contacted", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] like Figures 1 to 3 As shown, the present invention provides a fan frame of an outdoor unit of an air conditioner, wherein the fan frame comprises a motor bracket 1, a fan and a heating component; wherein a motor mounting structure is provided on the side of the motor bracket 1, and the fan can be mounted on the motor mounting structure; further, the heating component is arranged on the motor bracket 1, and can be raised and lowered on the motor bracket 1, so as to adjust the heating position; adopting the above scheme, by moving the heating component to the motor bracket 1, the heating uniformity can be enhanced, thereby solving the problem of uneven heating, deicing and defrosting of the chassis in the outdoor unit of the air conditioner.

[0028] Preferably, in combination with the above scheme, Figure 1 as well as Figure 2 As shown, the heating assembly includes a heating fixing clamp 2 and an electric heating component 3, wherein the electric heating component 3 is arranged on the heating fixing clamp 2, and a plurality of through holes 23 are provided on the heating fixing clamp 2, and the plurality of through holes 23 are micro-through hole designs to achieve convection; specifically, the openings of the through holes 23 face the windward side of the fan, which can reduce the windshield area of ​​the fan frame while achieving noise reduction; further, the heating fixing clamp 2 is movably arranged on the motor bracket 1, and can be lifted and moved in the vertical direction on the motor bracket 1; by adopting the above scheme, a fan frame that meets the requirements can be achieved only through machining, and a plurality of through holes are provided on the heating fixing clamp, which reduces the windshield area and wind flow noise, and at the same time enhances the uniformity of outdoor defrosting.

[0029] Preferably, in combination with the above scheme, Figure 1 , Figure 3 As shown, the motor bracket 1 includes a support plate 11; specifically, the two sides of the electric heating component 3 are respectively clamped on the heating fixing clamps 2, and are slidably connected to the guide rails 15 on both sides of the support plate 11 through the heating fixing clamps 2; specifically, the heating fixing clamps 2 on both sides of the electric heating component 3 are respectively movably arranged in the guide rails 15 on both sides of the support plate 11, and can be lifted and slid in the guide rails 15 along the vertical direction, so as to adjust the heating position of the electric heating component 3 on the support plate 11; adopting the above scheme, the support plate 11 can meet the rigidity required by the fan through simple machining.

[0030] Preferably, in combination with the above scheme, Figures 2 to 5As shown, the heating fixing clamp 2 includes a first clamping plate 21 and a second clamping plate 22, wherein a clamping cavity 25 is formed between the first clamping plate 21 and the second clamping plate 22, and a bent edge 26 is formed by bending on one side of the first clamping plate 21; further, the electric heating component 3 is an electric heating belt; specifically, the side edge of the electric heating belt is clamped in the clamping cavity 25 by a hook; further, the two sides of the heating fixing clamp 2 are respectively slidably connected in the guide rail 15 by the bent edges 26, thereby realizing a sliding connection.

[0031] Preferably, in combination with the above scheme, Figures 2 to 3 As shown, a through groove 19 is provided on the panel of the support plate 11. The design of the through groove 19 itself can improve the strength of the support plate 11, and at the same time can cooperate with the through hole 23 on the heating fixing clamp 2 to reduce the windshield area of ​​the fan frame; further, a driving mechanism is provided on the motor bracket 1, which is transmission-connected with the heating fixing clamp 2 and can drive the heating fixing clamp 2 to rise and fall and slide in the guide rail groove along the vertical direction.

[0032] Preferably, in combination with the above scheme, Figure 2 As shown, the first clamping plate 21 and the second clamping plate 22 are formed by bending a straight plate, specifically, by directly bending a sheet metal plate; specifically, the clamping cavity 25 includes an inner cavity 251 and an outer cavity 252, wherein the width of the outer cavity 252 is greater than the width of the inner cavity 251, so that the electric heating belt can extend into the clamping cavity 25 and be clamped and fixed in the inner cavity 251 by a hook; further, a plurality of through holes 23 are respectively provided on the first clamping plate 21 and the second clamping plate 22 on both sides of the outer cavity 252, and the above-mentioned structural design enables the outer cavity 252 to form a Hall cavity, thereby reducing the windshield area of ​​the fan frame and achieving noise reduction at the same time; further, the heating component is an electric heating component, and when the electric heating component is within the rotation range of the fan blade, the wind passes through the through hole 23 to form resonance in the outer cavity 252, thereby reducing noise or improving noise quality; further, the heating fixing clamp 2 is movably arranged on the motor bracket 1, and can be lifted and moved in the vertical direction on the motor bracket 1.

[0033] Preferably, in combination with the above scheme, Figure 1 , Figure 2 As shown, the driving mechanism includes a driving component and a connecting rod, wherein the connecting rod is arranged on the motor bracket 1 along the vertical direction; specifically, one end of the connecting rod is transmission-connected to the driving component, and the other end of the connecting rod is connected to the connecting hole 24 on the heating fixing clamp 2; by adopting the above scheme, the driving component can drive the connecting rod to drive the heating fixing clamp 2 to rise and fall and slide along the vertical direction on the motor bracket 1.

[0034] Preferably, in combination with the above scheme, Figure 3As shown, the motor bracket 1 includes a support plate 11, an upper connecting plate 12 is provided at one end of the support plate 11, and a panel fixing hole 16 is provided on the upper connecting plate 12, and a lower connecting plate 13 is provided on the other end of the support plate 11, and a chassis fixing hole 18 is provided on the lower connecting plate 13. With the above-mentioned structural design, the support plate 11 can be formed by a sheet metal stamping, and the upper connecting plate 12 is bent at the upper end of the support plate 11, and the lower connecting plate 13 is bent at the lower end of the support plate 11; further, the motor mounting structure is a motor fixing plate 14, and the motor fixing plate 14 is protrudingly arranged at the middle position of the side of the motor bracket 1; further, the fan includes a motor 4, and the motor 4 is connected to the motor bracket 1 by screws 5; specifically, the motor fixing plate 14 is connected to the motor 4, and a ring-shaped motor avoidance position is opened on the motor fixing plate 14 to facilitate the installation of the motor 4; as shown Figure 5 As shown, the first-order mode of the fan frame provided by the present application is 167Hz, which is far away from the fixed frequency range of 30-80Hz commonly used in the compressor and the whole machine. The stiffness is feasible and meets the design requirements. Furthermore, the support plate 11 is also provided with a wiring fixing hole 17, and the wiring fixing hole 17 can pass through the wire tie, so as to effectively fix the motor and the electric heating wire, making the wiring neat and simple.

[0035] Correspondingly, in combination with the above scheme, the present invention also provides an air conditioner, including an air conditioner outdoor unit, wherein a fan frame is provided in the air conditioner outdoor unit, and the fan frame is the air conditioner outdoor unit fan frame described above; by adopting the above fan frame, the windshield area and wind flow noise of the fan frame in the air conditioner outdoor unit can be reduced, while the uniformity of ice and frost defrosting on the outdoor side is enhanced.

[0036] Preferably, in combination with the above scheme, Figures 1 to 5 As shown, the upper end of the motor bracket 1 is connected to the panel or beam of the air-conditioning outdoor unit through its upper connecting plate 12, and the lower end of the motor bracket 1 is connected to the chassis of the air-conditioning outdoor unit through its lower connecting plate 13; further, the heating component is also electrically connected to the control system of the air conditioner and can defrost the air-conditioning outdoor unit; specifically, in severe cold weather, snowing or when heating the indoor side, when the sensor detects frost or ice on the outdoor side, the electric heating component is turned on and moves up and down along the guide rail 15 of the motor bracket 1, so that the entire outdoor cavity is heated evenly, thereby avoiding the problem of uneven defrosting or defrosting, further improving the air-conditioning efficiency and eliminating the hidden dangers of ice damaging components such as fan blades.

[0037] The solution provided by the present invention is to provide a lifting and moving heating component on the fan frame, so that the uniformity of heating can be enhanced and the problem of uneven heating, deicing and defrosting of the chassis in the outdoor unit of the air conditioner can be solved.

[0038] It is further understood that in the present disclosure, "plurality" refers to two or more than two, and other quantifiers are similar thereto. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B may represent: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the associated objects before and after are in an "or" relationship. The singular forms "a", "the" and "the" are also intended to include plural forms, unless the context clearly indicates other meanings.

[0039] It is further understood that the terms "first", "second", etc. are used to describe various information, but such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other, and do not indicate a specific order or degree of importance. In fact, the expressions "first", "second", etc. can be used interchangeably. For example, without departing from the scope of the present disclosure, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information.

[0040] It is further understood that, although the operations are described in a specific order in the drawings in the embodiments of the present disclosure, it should not be understood as requiring the operations to be performed in the specific order shown or in a serial order, or requiring the execution of all the operations shown to obtain the desired results. In certain environments, multitasking and parallel processing may be advantageous.

[0041] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary techniques in the art that are not disclosed in the present disclosure. The specification and examples are intended to be exemplary only, and the true scope and spirit of the present disclosure are indicated by the following claims.

[0042] It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the scope of the appended claims.

Claims

1. A fan frame for an outdoor unit of an air conditioner, characterized in that: The fan frame comprises a motor support (1), a fan and a heating component; A motor mounting structure is provided on the side of the motor bracket (1), and the fan is mounted on the motor mounting structure; The heating component is arranged on the motor support (1) and is capable of being lifted and lowered on the motor support (1); The heating assembly comprises a heating fixing clamp (2) and an electric heating component (3), wherein the electric heating component (3) is arranged on the heating fixing clamp (2), and the heating fixing clamp (2) is provided with a plurality of through holes (23), and the openings of the through holes (23) face the windward side of the fan; the heating fixing clamp (2) is movably arranged on the motor bracket (1), and can be lifted and moved in a vertical direction on the motor bracket (1); The motor bracket (1) comprises a support plate (11), a panel of the support plate (11) is provided with a through slot (19), and two sides of the electric heating component (3) are respectively clamped on the heating fixing clamp (2); the heating fixing clamps (2) on both sides of the electric heating component (3) are respectively movably arranged in guide rails (15) on both sides of the support plate (11), and can be lifted and slid in the guide rails (15); The heating fixing clamp (2) comprises a first clamping plate (21) and a second clamping plate (22); a clamping cavity (25) is formed between the first clamping plate (21) and the second clamping plate (22); one side of the first clamping plate (21) is bent to form a bent edge (26); the electric heating component (3) is an electric heating belt; the side edge of the electric heating belt is clamped in the clamping cavity (25); and the heating fixing clamp (2) is slidably connected to the guide rail (15) via the bent edge (26).

2. The fan frame of the air conditioner outdoor unit according to claim 1, characterized in that: The motor bracket (1) is provided with a driving mechanism, the driving mechanism being connected to the heating fixing clamp (2) and capable of driving the heating fixing clamp (2) to rise and fall and slide in the guide rail groove in a vertical direction.

3. The fan frame of the air conditioner outdoor unit according to claim 1, characterized in that: The first clamping plate (21) and the second clamping plate (22) are formed by bending a straight plate; the clamping cavity (25) comprises an inner cavity (251) and an outer cavity (252); the width of the outer cavity (252) is greater than the width of the inner cavity (251); the first clamping plate (21) and the second clamping plate (22) on both sides of the outer cavity (252) are respectively provided with a plurality of through holes (23); the electric heating belt extends into the clamping cavity (25) and is clamped in the inner cavity (251).

4. The fan frame of the air conditioner outdoor unit according to claim 2, characterized in that: The driving mechanism comprises a driving component and a connecting rod, wherein the connecting rod is arranged on the motor bracket (1) in a vertical direction; one end of the connecting rod is drivingly connected to the driving component, and the other end of the connecting rod is connected to a connecting hole (24) on the heating fixing clamp (2); the driving component can drive the connecting rod to drive the heating fixing clamp (2) to rise and fall and slide on the motor bracket (1) in a vertical direction.

5. The fan frame of the air conditioner outdoor unit according to claim 1, characterized in that: An upper connecting plate (12) is provided at one end of the support plate (11), and a panel fixing hole (16) is provided on the upper connecting plate (12); a lower connecting plate (13) is provided at the other end of the support plate (11), and a chassis fixing hole (18) is provided on the lower connecting plate (13); the motor mounting structure is a motor fixing plate (14), and the motor fixing plate (14) is protrudingly arranged at a middle position of a side surface of the motor bracket (1); the fan comprises a motor (4), and the motor (4) is connected to the motor bracket (1) by means of screws (5).

6. An air conditioner, comprising an air conditioner outdoor unit, wherein a fan frame is provided in the air conditioner outdoor unit, characterized in that: The fan rack is the fan rack of the air conditioner outdoor unit according to any one of claims 1 to 5 above.

7. The air conditioner according to claim 6, characterized in that: The upper end of the motor bracket (1) is connected to the panel or beam of the air-conditioning outdoor unit via its upper connecting plate (12), and the lower end of the motor bracket (1) is connected to the chassis of the air-conditioning outdoor unit via its lower connecting plate (13); the heating component is also electrically connected to the control system of the air-conditioning and is capable of defrosting the air-conditioning outdoor unit.

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