Baffle structure, electric control box, air conditioner outdoor unit and air conditioner

Abstract

The present invention discloses a baffle structure, an electric control box using the baffle structure, an air conditioner outdoor unit using the electric control box, and an air conditioner using the air conditioner outdoor unit, wherein the baffle structure is applied to the electric control box, a containing cavity is formed in the electric control box, the containing cavity has at least one air inlet and at least one air outlet, the electric control box also includes a control assembly contained in the containing cavity, the baffle structure includes a mounting portion arranged in the electric control box and a water baffle protruding from one end of the mounting portion, the water baffle is located between the air outlet and the control assembly, the water baffle is provided with at least one heat dissipation hole, the air inlet, the heat dissipation hole and the air outlet are connected to form an air flow channel. The baffle structure of the present invention effectively solves the problem that it is difficult to balance rain protection and heat dissipation of the electric control box.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioning, and in particular to a baffle structure, an electric control box using the baffle structure, an air conditioning outdoor unit using the electric control box, and an air conditioner using the air conditioning outdoor unit. Background Art

[0002] The control assembly is installed in the electric control box assembly of the air conditioner outdoor unit, and the control assembly includes a PCB main board and electronic components installed on the PCB main board. The temperature of the electronic components is high during operation. If the heat dissipation is poor, it will be damaged by overheating, or even explode and cause a fire in the air conditioner outdoor unit. Since the air conditioner outdoor unit is directly exposed to the external environment, if rain enters the electric control box when it rains and splashes onto the electronic components, it will threaten the reliability of the operation of the electronic components.

[0003] In order to solve the heat dissipation problem, the electric control box of the existing air conditioner outdoor unit has an air outlet, and a radiator is provided on the outside near the air inlet, so as to cool down and dissipate the air in the electric control box. At the same time, in order to solve the problem of rain, in order to prevent water from splashing from the air outlet into the electric control box and hitting the electronic components when it rains, the existing technology has a water baffle on the inside of the electric control box near the air outlet. However, the setting of the water baffle is not conducive to the rapid heat dissipation of the electronic components during operation, so there is a certain contradiction between the rain protection and heat dissipation of the electric control box assembly, and the existing technology does not provide an effective solution for how to balance the rain protection and heat dissipation of the electric control box assembly. Summary of the invention

[0004] The main purpose of the present invention is to provide a baffle structure that effectively solves the problem of both rain protection and heat dissipation of an electric control box.

[0005] To achieve the above-mentioned purpose, the baffle structure proposed in the present invention is applied to an electrical control box, wherein a accommodating cavity is formed in the electrical control box, the accommodating cavity has at least one air inlet and at least one air outlet, the electrical control box also includes a control component accommodated in the accommodating cavity, the baffle structure includes a mounting portion arranged in the electrical control box and a water baffle protruding from one end of the mounting portion, the water baffle is located between the air outlet and the control component, the water baffle is provided with at least one heat dissipation hole, and the air inlet, the heat dissipation hole and the air outlet are connected to form an airflow channel.

[0006] Optionally, an opening of the heat dissipation hole at one end close to the control component is larger than an opening at one end close to the air outlet.

[0007] Optionally, the accommodating cavity further has a mounting through hole, the mounting through hole is arranged adjacent to the air outlet or communicated with the air outlet, and the mounting portion is installed in the accommodating cavity through the mounting through hole.

[0008] Optionally, at least one reinforcing rib is provided on a side of the water retaining plate close to the mounting portion, the reinforcing rib and the mounting portion together form a mounting groove, and the periphery of the mounting through hole is at least partially embedded in the mounting groove;

[0009] And / or, one of the hole wall of the mounting hole and the mounting portion is provided with at least one buckle, and the other one is provided with at least one slot, and the buckle is engaged with the slot.

[0010] The present invention also provides an electric control box, including the above-mentioned baffle structure, the mounting portion further having a through hole, the electric control box further having a radiator, one end of the radiator passing through the through hole and connected to the electric control box, the other end being exposed to the electric control box and arranged adjacent to the air outlet.

[0011] Optionally, the radiator includes a bracket connected to the control assembly and a heat dissipation portion connected to the bracket, and the heat dissipation portion is at least partially exposed outside the electric control box.

[0012] Optionally, a flange is formed on the end of the heat dissipation portion facing the control component, a boss is protruding from the hole wall of the through hole, and the flange is accommodated in the accommodating cavity and abuts against the boss.

[0013] Optionally, the radiator further includes at least one connecting member, one end of which is connected to the heat dissipation portion, and the other end of which passes through the bracket and is connected to the control component.

[0014] Optionally, a mounting box is further provided in the electric control box, one of the mounting box and the mounting portion is provided with at least one hook, and the other of the mounting box and the mounting portion is provided with at least one hanging hole, and the hook is engaged with the hanging hole.

[0015] The present invention also provides an air-conditioning outdoor unit, comprising the above-mentioned electric control box, the air-conditioning outdoor unit also comprising a casing and a fan arranged in the casing, the electric control box is arranged at the top of the casing and is arranged opposite to the fan.

[0016] The present invention also provides an air conditioner, comprising the above-mentioned air conditioner outdoor unit.

[0017] The baffle structure of the present invention is applied to an electric control box, wherein a housing cavity is formed in the electric control box, wherein the housing cavity has at least one air inlet and at least one air outlet, and the electric control box also includes a control component accommodated in the housing cavity, and the baffle structure includes a mounting portion arranged in the electric control box and a water baffle connected to one end of the mounting portion, wherein the water baffle is located between the air outlet and the control component, and can play a role in blocking rainwater, thereby preventing rainwater entering the electric control box from the air outlet from further splashing onto the control component. The water baffle is provided with at least one heat dissipation hole, and the outside air enters the electric control box from the air inlet. The air at the control component can flow out from the air outlet after passing through the water baffle through the heat dissipation hole under the action of negative pressure, without bypassing the water baffle. Through the provision of the heat dissipation hole, the length of the gas flow trajectory from the control component to the air outlet is shortened, thereby accelerating the heat dissipation of the control component. The baffle structure of the present invention solves the problem that it is difficult to balance rain protection and heat dissipation in the electric control box. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0019] Figure 1 A structural schematic diagram of a baffle structure embodiment of the present invention from one viewing angle;

[0020] Figure 2 A structural schematic diagram of another perspective of the baffle structure embodiment of the present invention

[0021] Figure 3 for Figure 2 Sectional view at AA in the middle;

[0022] Figure 4 A structural schematic diagram of an electric control box embodiment of the present invention from one perspective;

[0023] Figure 5 A schematic structural diagram of an electric control box embodiment of the present invention from another perspective;

[0024] Figure 6 for Figure 5 Left view of;

[0025] Figure 7 for Figure 6 Sectional view at the middle BB;

[0026] Figure 8 for Figure 5 An exploded view from one perspective;

[0027] Fig. 9 for Figure 5 An exploded view from another perspective;

[0028] Fig.10 for Fig. 9 Enlarged view of point C in the middle;

[0029] Fig.11 for Fig. 9 The enlarged view of point D in the middle;

[0030] Fig.12 It is a structural schematic diagram of an embodiment of an air-conditioning outdoor unit of the present invention.

[0031] Description of Figure Numbers:

[0032] Label name Label name 100 Electric control box 123 Mounting slot 101 Accommodation cavity 20 Control components 102 Air Inlet 21 PCB board 103 Air outlet 22 Electrical components 104 Mounting vias 30 heat sink 105 Drainage holes 31 Heat dissipation 10 Baffle structure 311 Flange 11 Installation Department 32 Bracket 111 Card slot 33 Connectors 112 Through Hole 40 Installation Box 1121 Boss 401 Hanging hole 113 hook up 200 Air conditioner outdoor unit 12 Water retaining plate 210 chassis 121 Cooling holes 220 fan 122 Reinforcement

[0033] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0036] In addition, the descriptions of "first", "second", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0037] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" 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 a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] See also Figures 1 to 12 The baffle structure 10 proposed in the embodiment of the present invention is applied to an electric control box 100. A containing cavity 101 is formed in the electric control box 100. The containing cavity 101 has at least one air inlet 102 and at least one air outlet 103. The electric control box 100 also includes a control assembly 20 accommodated in the containing cavity 101. The baffle structure 10 includes a mounting portion 11 disposed in the electric control box 100 and a water baffle 12 protruding from one end of the mounting portion 11. The water baffle 12 is located between the air outlet 103 and the control assembly 20. The water baffle 12 is provided with at least one heat dissipation hole 121. The air inlet 102, the heat dissipation hole 121 and the air outlet 103 are connected to form an air flow channel. Specifically, the water baffle 12 is located between the air outlet 103 and the control assembly 20, and can block rainwater, thereby preventing rainwater entering the electric control box 100 from the air outlet 103 from further splashing onto the control assembly 20. Figure 3 and Figure 7 As shown, the air inlet 102, the heat dissipation hole 121 and the air outlet 103 are connected to form an air flow channel, and the water baffle 12 is provided with at least one heat dissipation hole 121. The relatively low temperature air in the external environment can enter the electric control box 100 from the air inlet 102, and the relatively high temperature air at the control component 20, which is radiated by the control component 20, passes through the water baffle 12 through the heat dissipation hole 121 under the action of negative pressure, and then can flow out from the air outlet 103 without bypassing the water baffle 12. The setting of the heat dissipation hole 121 shortens the length of the gas flow track from the control component 20 to the air outlet 103, and accelerates the heat dissipation of the control component 20. The baffle structure 10 of the present invention solves the problem that it is difficult to balance the protection against rain and heat dissipation of the electric control box 100.

[0039] Further, refer to Figure 3As shown, the opening of the end of the heat dissipation hole 121 close to the control component 20 is larger than the opening of the end close to the air outlet 103. Specifically, the hole wall of the heat dissipation hole 121 is funnel-shaped, and the end with a larger opening of the funnel-shaped hole wall is close to the control component 20, and the end with a smaller opening is close to the air outlet 103. The airflow can flow more smoothly from the control component 20 through the heat dissipation hole 121 and out of the air outlet 103, optimizing the air outlet, thereby achieving a better heat dissipation effect; and, because the end with a smaller opening of the heat dissipation hole 121 is close to the air outlet 103, most of the rainwater entering the electric control box 100 from the air outlet 103 is blocked by the water baffle 12, thereby achieving a better rainproof effect. Of course, in specific applications, the hole wall shape of the heat dissipation hole 121 is not limited to this.

[0040] Further, refer to Figures 7 to 9 As shown, the accommodating cavity 101 also has a mounting hole 104, which is disposed adjacent to the air outlet 103 or communicated with the air outlet 103, and the mounting portion 11 is mounted in the accommodating cavity 101 through the mounting hole 104. Figure 8 , Fig. 9 As shown, the mounting hole 104 is connected to the air outlet 103, the mounting portion 11 is partially accommodated in the accommodating cavity 101, and the remaining portion abuts against the hole wall of the mounting hole 104. In addition, the mounting hole 104 can also be arranged near the air outlet 103, that is, the mounting hole 104 and the air outlet 103 can be separated by a partition. The mounting hole 104 is used to install the mounting portion 11. Furthermore, the radiator 30 is installed by providing the mounting hole 104 and the mounting portion 11.

[0041] Further, refer to Figure 8 , Fig. 9 As shown, at least one reinforcing rib 122 is provided on one side of the water baffle 12 close to the mounting portion 11. The reinforcing rib 122 and the mounting portion 11 together form a mounting groove 123. The periphery of the mounting hole 104 is at least partially embedded in the mounting groove 123. The reinforcing rib 122 can play a role in reinforcing the structure of the water baffle 12. When the periphery of the mounting hole 104 is partially embedded in the mounting groove 123, the reinforcing rib 122 can play a role in guiding the installation. Specifically, the angle between the plane where the mounting portion 11 is located and the plane where the water baffle 12 is located is an obtuse angle, that is, after the water baffle 12 is installed, there is a gap between the side wall of the electric control box 100, as shown in FIG. Figure 7 As shown, outside air enters the electric control box 100 from the air inlet 102 , and then flows out through the gap and the air outlet 103 in sequence. The air inlet 102 , the gap and the air outlet 103 are connected to form another air flow channel, which further improves the heat dissipation effect of the electric control box 100 .

[0042] Furthermore, one of the hole wall of the installation hole 104 and the installation portion 11 is provided with at least one buckle, and the other is provided with at least one slot 111, and the buckle is engaged with the slot 111. Through the cooperation of the buckle and the slot 111, the installation portion 11 is firmly engaged with the hole wall of the installation hole 104, so that the installation portion 11 is installed in the electric control box 100, and the installation is simple.

[0043] The present invention also provides an electric control box 100, including the above-mentioned baffle structure 10, the mounting portion 11 is further provided with a through hole 112, the electric control box 100 is also provided with a radiator 30, one end of the radiator 30 passes through the through hole 112 and is connected to the electric control box 100, and the other end is exposed to the electric control box 100 and is arranged near the air outlet 103.

[0044] Preferably, at least one drainage hole 105 is provided at the bottom of the electric control box 100. By providing the drainage hole 105, the water accumulated at the bottom of the electric control box 100 is quickly drained away, so as to avoid the threat of leakage or short circuit to the electrical components 22 caused by the water, and improve the reliability of the structure of the electric control box 100. At the same time, since the drainage hole 105 is connected with the accommodating cavity 101, the outside air enters the electric control box 100 from the air inlet 102, and further flows out through the drainage hole 105, that is, the air inlet 102 and the drainage hole 105 are connected to form another air flow channel, which further improves the heat dissipation effect of the electric control box 100.

[0045] Further, the radiator 30 includes a bracket 32 ​​connected to the control assembly 20 and a heat dissipation portion 31 connected to the bracket 32, and the heat dissipation portion 31 is at least partially exposed to the electric control box 100. Specifically, the control assembly 20 includes a PCB board 21 and an electronic device 22 connected to the PCB board 21. The heat dissipation portion 31, the bracket 32 ​​and the PCB board 21 are connected in sequence. The heat dissipation portion 31 adopts a fin-type heat dissipation structure, and the heat dissipation portion 31 is at least partially exposed to the electric control box 100. Through the heat dissipation operation of the heat dissipation portion 31, the relatively high temperature air in the electric control box 100 is drawn out from the air outlet 103 to perform heat exchange on the air in the electric control box 100, which fully ensures the heat dissipation effect of the electric control box 100.

[0046] Furthermore, a flange 311 is formed at the end of the heat dissipation part 31 facing the control assembly 20, and a boss 1121 is convexly provided on the hole wall of the through hole 112. The flange 311 is accommodated in the accommodating cavity 101 and abuts against the boss 1121. During installation, the heat dissipation part 31 is passed through the through hole 112 at one end away from the control assembly 20 until the flange 311 abuts against the boss 1121. The through hole 112 can be sealed by the close fit between the flange 311 and the boss 1121, and rainwater splashed from the end of the heat dissipation part 31 away from the control assembly 20 is blocked outside the electric control box 100 by the flange 311 and the boss 1121, thereby fully ensuring the rainproof effect of the electric control box 100.

[0047] Further, the heat sink 30 further includes at least one connector 33, one end of the connector 33 is connected to the heat dissipation portion 31, and the other end thereof penetrates the bracket 32 ​​and is connected to the control assembly 20. Specifically, one end of the connector 33 is connected to the heat dissipation portion 31, and the other end thereof penetrates the bracket 32 ​​and is connected to the PCB board, and the connector 33 may be a connecting part such as a bolt, a screw or a positioning pin.

[0048] Further, refer to Figure 8 , Fig. 9 As shown, a mounting box 40 is further provided in the electric control box 100, and one of the mounting box 40 and the mounting portion 11 is provided with at least one hook 113, and the other one is provided with at least one hanging hole 401, and the hook 113 is snapped into the hanging hole 401. Through the cooperation of the hook 113 and the hanging hole 401, the mounting portion 11 is firmly snapped into the mounting box 40, the installation is simple, and the structural reliability of the mounting portion 11 is improved.

[0049] The present invention also provides an air-conditioning outdoor unit 200, which includes the above-mentioned electric control box 100. The specific structure of the electric control box 100 refers to the above-mentioned embodiment. Since the air-conditioning outdoor unit 200 adopts all the technical solutions of all the above-mentioned embodiments, it at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here. Among them, the air-conditioning outdoor unit 200 also includes a casing 210 and a fan 220 arranged in the casing 210. The electric control box 100 is arranged at the top of the casing 210 and is arranged opposite to the fan 220. When the fan 220 is working and rotating, a drainage hole 105 is formed at the bottom end of the electric control box 100, and an air negative pressure is formed at the bottom end of the electric control box 100 near the fan 220, which accelerates the air flow of the air flow channel formed by the connection between the air inlet 102 and the drainage hole 105, and further improves the heat dissipation effect of the electric control box 100.

[0050] The present invention also proposes an air conditioner, which includes an air-conditioning outdoor unit 200. The specific structure of the air-conditioning outdoor unit 200 refers to the above-mentioned embodiment. Since this air conditioner adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here one by one.

[0051] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A baffle structure is applied to an electric control box, wherein a receiving cavity is formed in the electric control box, the receiving cavity has at least one air inlet and at least one air outlet, and the electric control box further comprises a control component received in the receiving cavity, characterized in that: The baffle structure includes a mounting portion disposed in the electric control box and a water baffle protruding from one end of the mounting portion, the water baffle being located between the air outlet and the control assembly, the water baffle being provided with at least one heat dissipation hole, and the air inlet, the heat dissipation hole and the air outlet being connected to form an air flow channel; At least one reinforcing rib is provided on one side of the water baffle plate close to the mounting portion, the reinforcing rib and the mounting portion together form a mounting groove, and the side wall portion of the electric control box provided with the air outlet is embedded in the mounting groove; the water baffle plate extends obliquely from the mounting portion toward a direction away from the air outlet, and a gap connected to the air outlet is provided between the water baffle plate and the side wall of the electric control box, and the air inlet, the gap, and the air outlet are connected to form another air flow channel; The reinforcing rib is located in the other air flow channel, and a slope is provided on the side of the reinforcing rib facing the air outlet; the reinforcing rib can be used to guide the side wall of the electric control box where the air outlet is arranged to be inserted into the installation groove.

2. The baffle structure according to claim 1, characterized in that: The opening of the heat dissipation hole at one end close to the control component is larger than the opening at one end close to the air outlet.

3. The baffle structure according to claim 1, characterized in that: The accommodating cavity further has an installation through hole, which is arranged adjacent to the air outlet or communicated with the air outlet, and the installation portion is installed in the accommodating cavity through the installation through hole.

4. The baffle structure according to claim 3, characterized in that: The periphery of the mounting through hole is at least partially embedded in the mounting groove; And / or, one of the hole wall of the mounting hole and the mounting portion is provided with at least one buckle, and the other one is provided with at least one slot, and the buckle is engaged with the slot.

5. An electric control box, characterized in that: Including the baffle structure as described in any one of claims 1-4, the mounting portion is also provided with a through hole, the electrical control box is also provided with a radiator, one end of the radiator passes through the through hole and is connected to the electrical control box, and the other end is exposed to the electrical control box and is arranged adjacent to the air outlet.

6. The electric control box according to claim 5, characterized in that: The radiator comprises a bracket connected to the control assembly and a heat dissipation portion connected to the bracket, and the heat dissipation portion is at least partially exposed outside the electric control box.

7. The electric control box according to claim 6, characterized in that: A flange is formed at the end of the heat dissipation portion facing the control component, a boss is protruding from the hole wall of the through hole, and the flange is accommodated in the accommodating cavity and abuts against the boss.

8. The electric control box according to claim 6, characterized in that: The radiator further comprises at least one connecting member, one end of which is connected to the heat dissipation portion, and the other end of which passes through the bracket and is connected to the control component.

9. The electric control box according to claim 8, characterized in that: A mounting box is also arranged in the electric control box. One of the mounting box and the mounting portion is provided with at least one hook, and the other of the mounting box and the mounting portion is provided with at least one hanging hole. The hook is clamped in the hanging hole.

10. An air conditioner outdoor unit, characterized in that: Including the electric control box as described in any one of claims 5-9, the air-conditioning outdoor unit also includes a casing and a fan arranged in the casing, and the electric control box is arranged at the top of the casing and opposite to the fan.

11. An air conditioner, characterized in that: It includes the air conditioner outdoor unit as claimed in claim 10.

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