CN210463316U

CN210463316U - Electric control box, air conditioner external unit and air conditioning system

Info

Publication number: CN210463316U
Application number: CN201921338449.3U
Authority: CN
Inventors: 吴伟超; 张华中
Original assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Current assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-05-05
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses an outer machine of automatically controlled box, air conditioner and air conditioning system relates to air conditioning technology field. The utility model discloses an automatically controlled box is used for holding the controller that is connected with the fin, and it is including the box body that has the cavity, and the box body is provided with the water receiving tank that is used for receiving the cooling water and the drainage channel who communicates with the water receiving tank, and drainage channel is set up to arrange the cooling water in the water receiving tank to the fin surface. The water receiving tank can absorb heat from the electric control box while collecting cooling water, and water in the tank is discharged to the radiating fins externally connected with the controller through the drainage channels by the water receiving tank, so that the radiating fins can be subjected to strong heat absorption and cooling. Therefore, the utility model discloses an automatically controlled box can improve the holistic radiating efficiency of controller and automatically controlled box. The utility model discloses an outer machine of air conditioner is provided with this automatically controlled box, and air conditioning system causes outer machine with the comdenstion water of air conditioner inner machine through the pipeline, cools down to the controller, has not only improved the radiating efficiency, has also solved the comdenstion water and has discharged the problem.

Description

Electric control box, air conditioner external unit and air conditioning system

Technical Field

The utility model relates to an air conditioning technology field particularly, relates to an outer machine of automatically controlled box, air conditioner and air conditioning system.

Background

At present, the working environment temperature of the air conditioner in the industry is not easy to be too high, particularly, the working environment of an air conditioner outdoor unit is severe, the temperature of a controller is too high, the air conditioner is stopped if the temperature is too high, and the controller is burnt and exploded if the temperature is too high. Although the controller of the existing air conditioner outdoor unit is provided with the radiating fins, the radiating effect is still poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem how to improve air conditioner controller's radiating effect.

In order to solve the above problem, in a first aspect, the present invention provides an electric control box. The electric control box is used for accommodating a controller connected with a radiating fin and comprises a box body with a cavity, the box body is provided with a water receiving groove used for receiving cooling water and a drainage channel communicated with the water receiving groove, and the drainage channel is arranged to drain the cooling water in the water receiving groove to the surface of the radiating fin.

The beneficial effects of this scheme lie in, set up the water receiving tank on the automatically controlled box body that holds the controller, the water receiving tank just can absorb the heat that comes from automatically controlled box when collecting the cooling water to, the water receiving tank passes through drainage channel with the water in the inslot and arranges to the external fin of controller, can carry out stronger heat absorption cooling to the fin like this. Therefore, the electric control box can improve the overall heat dissipation efficiency of the controller and the electric control box, and avoids the controller from generating faults due to high temperature.

In an embodiment of the invention, the box body is provided with a first opening for extending at least a part of the cooling fin outside the box body, and the drainage channel is arranged to drain the cooling water to the part of the cooling fin outside the box body. The drainage channel can discharge cooling water to the part of the cooling fin, which is positioned outside the box body, so that the cooling water is not easy to splash to a controller or other electrical elements in the box body, and the controller or other elements are prevented from being affected with damp to generate faults. Meanwhile, water flowing through the radiating fins is not easy to accumulate in the box body.

The utility model discloses an in one embodiment, the box body includes roof and the curb plate that links to each other with the roof, and the water receiving tank sets up in the roof, and first opening is seted up in the curb plate, and the fin stretches out in the curb plate through first opening. When the water receiving groove is positioned at the top of the electric control box and the radiating fins are positioned on one side of the electric control box, cooling water in the water receiving groove can fall on the radiating fins protruding out of the side plates under the action of gravity after flowing out through the drainage channels, and the cooling water is simply drained to the radiating fins from the water receiving groove.

In an embodiment of the present invention, the top plate includes an extension portion extending beyond the lateral side of the side plate, at least a portion of the water receiving groove extends to the extension portion, the extension portion is located above the portion of the heat dissipation plate outside the box body, and the drainage channel runs through the extension portion. As an alternative, the extension portion protrudes beyond the outer side surface of the side plate, and the drain channel is located on the extension portion, so that the cooling water flowing out of the drain channel directly falls onto the heat sink located below.

In an embodiment of the present invention, the drainage channel is a strip-shaped hole penetrating through the top plate, the heat sink includes a plurality of fins arranged at intervals, and an extending direction of the strip-shaped hole is parallel to an arrangement direction of the fins. The fin is connected with the inside controller of box body through first opening, and drainage channel sets up to the bar poroid for water that flows from drainage channel can drop on the fin more evenly (more even on first open-ended width direction at least), makes the water-cooling heat dissipation also more even.

In an embodiment of the present invention, the box body is provided with a second opening, and the electric control box further comprises a sealing plate detachably connected to the box body to seal or open the second opening. The box body is provided with a second opening, so that elements in the box body can be conveniently detected, maintained or assembled and disassembled.

In a second aspect, an embodiment of the present invention provides an air conditioner outdoor unit, including a housing and the electric control box provided in the first aspect, wherein the electric control box is disposed in the housing, a controller is disposed in the electric control box, and the controller is connected to a heat sink; the shell is provided with a water inlet to introduce external cooling water into a water receiving tank of the electric control box. Set up the water inlet on the outer machine of air conditioner's the shell, the water inlet can be with in the water receiving tank in the shell is introduced to outside cooling water, because the box body can be cooled off to the cooling water in the water receiving tank to can increase the radiating effect when flowing on the fin, consequently the utility model discloses outer machine of air conditioner's controller can obtain better heat dissipation, is difficult for leading to the trouble because of the high temperature of controller.

In one embodiment of the utility model, the housing comprises a top cover and a surrounding plate, the water inlet is arranged on the top cover, and the electric control box is arranged on the inner side of the surrounding plate; the water receiving tank is positioned below the water inlet to receive cooling water falling from the water inlet.

Through directly setting up the water inlet in the top of water receiving tank for the water that the water inlet flowed out can directly fall into the water receiving tank under the action of gravity, has realized introducing water to the water receiving tank from the water inlet with this succinct mode, and this stable in structure and with low costs.

Furthermore, the lower end of the water inlet is connected with an inner pipe which protrudes out of the inner surface of the top cover, and the distance between the outlet end of the inner pipe and the bottom of the water receiving tank is 10-30 mm. The distance between the lower end of the inner pipe and the bottom of the water receiving tank is set to be less than 30mm, so that cooling water passes through the water inlet and is not easy to splash when falling to the water receiving tank from the outlet end of the inner pipe.

The utility model discloses an in the embodiment, be provided with the window on the bounding wall, the window corresponds the mounted position of automatically controlled box, and the shell is still including the apron that is used for opening or closes the window. The window is arranged on the enclosing plate and can be opened or closed through the cover plate, so that the electric control box is convenient for operators to assemble, disassemble and maintain.

In a third aspect, an embodiment of the present invention provides an air conditioning system, including an air conditioner internal unit, a pipeline and an air conditioner external unit provided by the second aspect, the pipeline is set to convey condensed water of the air conditioner internal unit to a water inlet of the air conditioner external unit.

This scheme is because of going into the outer machine of air conditioner as the cooling water with the comdenstion water of air conditioner internal unit, consequently need not external water source, and the comdenstion water can also be regarded as the cooling water once more and utilized before discharging, consequently also more economic environmental protection.

Drawings

Fig. 1 is a schematic view of an air conditioner outdoor unit according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of an air conditioner outdoor unit according to an embodiment of the present invention;

fig. 3 is a schematic view of an electric control box according to an embodiment of the present invention at a first viewing angle;

fig. 4 is a schematic view of the electric control box in the embodiment of the present invention at a second viewing angle;

FIG. 5 is a cross-sectional view of the electrical control pod of FIG. 4 taken along the line A-A;

fig. 6 is a schematic view of the outside of the top cover according to the embodiment of the present invention;

fig. 7 is a schematic view of the inside of the top cover according to the embodiment of the present invention;

fig. 8 is a schematic diagram of the relative position between the top cover of the air conditioner outdoor unit and the electric control box according to the embodiment of the present invention;

fig. 9 is a schematic view of an air conditioning system according to an embodiment of the present invention.

Description of reference numerals:

1-an air conditioner outdoor unit; 10-a housing; 11-enclosing plates; 12-a top cover; 13-a chassis; 14-a cover plate; 15-water inlet; 16-an outer tube; 17-an inner tube; 100-an electronic control box; 110-a cartridge; 112-a top plate; 113-an extension; 114-side plate; 115-a first opening; 116-an abutment; 117-sealing plate; 120-a water receiving tank; 122-a drainage channel; 130-a heat sink; 140-a controller; 2-an air conditioner indoor unit; 3-pipeline.

Detailed Description

In the current correlation technique, the operating environment temperature of the outer machine of air conditioner should not be too high, otherwise take place the shutdown protection easily, perhaps the component destroys, greatly influences user's use and experiences. The controller is one of the core components in the air conditioner outdoor unit, and the heat dissipation performance of the controller is important. Although the existing electric control box of the air conditioner outdoor unit often has cooling fins, because the outdoor environment is worse than the indoor environment, when the outdoor environment temperature is higher, the conduction and convection cooling effects between the cooling fins and the air are very limited. The controller is usually accommodated in the electric control box, and when the heat dissipation effect of the electric control box and the heat dissipation fins is poor and the temperature of the controller is too high, the machine is shut down if the temperature of the controller is too high, and the controller is burnt and exploded if the temperature of the controller is too high.

In order to improve the prior art, the not good problem of controller radiating effect of the outer machine of air conditioner, the embodiment of the utility model provides an automatically controlled box, be provided with the outer machine of air conditioner of this automatically controlled box and included the air conditioning system of the outer machine of this air conditioner.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

For the convenience of understanding the structure, effect and user state of the electric control box of the embodiment of the present invention, it is first to introduce the whole air conditioner external unit 1 of the embodiment of the present invention here. Fig. 1 is a schematic view of an air conditioner outdoor unit 1 according to an embodiment of the present invention; fig. 2 is a schematic diagram of an internal structure of an external unit 1 of an air conditioner according to an embodiment of the present invention (components such as a heat exchange assembly, a compressor, and a fan are hidden). Referring to fig. 1 and 2, an outdoor unit 1 of an air conditioner according to an embodiment of the present invention includes a housing 10, the housing 10 accommodates components such as a heat exchange assembly, a compressor, a fan, and an electric control box 100, and a controller 140 is disposed in the electric control box 100. The housing 10 includes a base 13, a shroud 11 and a top cover 12, which together define a cavity.

In this embodiment, the air conditioner outdoor unit 1 is in a pillar shape and in a top-outlet form. Since the air conditioner outdoor unit 1 of the present embodiment is cylindrical as a whole and discharges air from the top, the top cover 12 of the air conditioner outdoor unit 1 is substantially circular and is provided with a grille for discharging air. In other embodiments of the present invention, the shape of the casing 10 of the air conditioner external unit 1 is not limited to a cylinder, and may be other shapes such as a rectangular parallelepiped.

In this embodiment, the electrical control box 100 is disposed inside the enclosure 11, a window (not shown) is disposed on the enclosure 11, and the window corresponds to a mounting position of the electrical control box 100, and the housing 10 further includes a cover 14 for opening or closing the window. After the cover plate 14 is opened, the electric control box 100 can be conveniently assembled, disassembled and maintained by an operator.

Fig. 3 is a schematic view of the electronic control box 100 in the embodiment of the present invention under a first viewing angle; fig. 4 is a schematic view (top view) of the electronic control box 100 in the second view of the embodiment of the present invention; fig. 5 is a cross-sectional view of the electrical control box 100 of fig. 4 taken along the direction a-a. As shown in fig. 3 to 5, the electrical control box 100 includes a box body 110, in this embodiment, the box body 110 is substantially rectangular, and includes at least a top plate 112 and side plates 114, the top plate 112 and the side plates 114 form two adjacent sides of the rectangular box body 110, and the top plate 112 and the side plates 114 are perpendicular to each other. Of course, in other alternative embodiments of the present invention, the top plate 112 and the side plate 114 may be disposed obliquely to form an included angle therebetween.

In the present embodiment, a water receiving groove 120 for receiving cooling water is disposed on an outer side (a side far from the chamber of the box body 110, that is, an upper surface shown in fig. 3) of the top plate 112, a depth of the water receiving groove 120 may be selected to be 3mm to 5mm, a groove bottom of the water receiving groove 120 is rectangular, and preferably, each side of the groove bottom corresponds to four sides of the top plate 112 in parallel. The water receiving trough 120 is arranged as large as possible on the top plate 112, which is advantageous for better receiving of cooling water. The top plate 112 is provided with a drainage channel 122 communicated with the water receiving tank 120, and the drainage channel 122 is arranged to guide water in the water receiving tank 120 to the radiating fins 130.

In the embodiment of the present invention, the side plate 114 is opened with a first opening 115, the heat sink 130 connected to the controller 140 at least partially extends out of the box body 110 through the first opening 115, and the water drainage channel 122 is configured to drain the cooling water to the portion of the heat sink 130 located outside the box body 110. After the cooling water in the water receiving tank 120 flows out through the drainage channel 122, the cooling water can fall on the radiating fins 130 protruding out of the side plates 114 under the action of gravity, and the cooling water is simply drained from the water receiving tank 120 to the radiating fins 130. The drain passage 122 drains the cooling water to a portion outside the cartridge body 110, so that the cooling water is not easily splashed to the controller 140 or other elements inside the cartridge body 110, and the controller 140 or other elements are prevented from being affected with moisture and causing malfunction. Meanwhile, water flowing over the heat sink 130 is not easily accumulated inside the case 110.

As shown in fig. 5, the heat sink 130 is disposed on the side plate 114 and outside the first opening 115 (away from the cavity of the box 110), and covers the first opening 115. The portion of the heat sink 130 covering the first opening 115 is connected to the controller 140 in the case 110. In the present embodiment, the top plate 112 includes an extension portion 113 extending out of the outer side surface of the side plate 114, the extension portion 113 is located above the heat sink 130, a portion of the water receiving tank 120 extends to the extension portion 113, and the drainage channel 122 penetrates through the extension portion 113. In this arrangement, the cooling water flowing out of the drainage channel 122 directly falls on the lower heat sink 130 to cool the heat sink 130, and when the side plate 114 is vertically arranged, the cooling water is not easy to enter the inside of the box body 110 through the first opening 115 to affect other components.

As shown in fig. 5, the side edge of the first opening 115 away from the top plate 112 is provided with an abutting portion 116 protruding outside the side plate 114, and the abutting portion 116 can abut against the lower side of the heat sink 130 to bear a part of the weight thereof; of course, the abutting portion 116, the outward extending portion 113 and the partial side plate 114 together define a limiting groove for engaging the heat sink 130, which also facilitates the installation of the heat sink 130.

It should be understood that in other embodiments of the present invention, the heat sink 130 may be partially disposed in the box body 110, and another portion may extend from the first opening 115 to the outside of the box body 110, in which case the cooling water flowing out from the drainage channel 122 may directly sprinkle on the portion of the heat sink 130 disposed outside the box body 110, and the cooling effect may also be achieved. In other embodiments, the heat sink 130 may even be located entirely within the case 110 along with the controller 140, and of course, the drain 122 should be open above the cavity of the case 110, and the bottom of the case 110 should be provided with a corresponding drain structure to prevent the accumulation of cooling water.

Referring to fig. 3, in the present embodiment, the drainage channels 122 are strip-shaped holes penetrating through the top plate 112, the fins of the heat sink 130 are arranged at intervals, and the extending direction of the strip-shaped holes is parallel to the arrangement direction of the fins. With this arrangement, the water flowing out of the drainage channel 122 can more uniformly fall on the respective fins of the heat sink 130, thereby making the heat dissipation more uniform. Optionally, the drainage channel 122 may be a section of bar-shaped hole, or may be a section of bar-shaped hole. In other alternative embodiments, the drain passage 122 may also be a circular hole; or the water discharge passage 122 is composed of a plurality of circular holes arranged at intervals in a linear direction, and the uniform water cooling effect can be realized.

In this embodiment, the box body 110 is provided with a second opening (not shown), and the electronic control box 100 further includes a sealing plate 117 detachably connected to the box body 110 to close or open the second opening. Alternatively, the second opening is provided at the other side of the case body 110 opposite to the first opening 115. The cartridge body 110 is provided with a second opening so that the components in the cartridge body 110 can be conveniently inspected, repaired or disassembled. Further, the second opening of the electronic control box 100 corresponds to the window of the enclosure 11, so that after the cover plate 14 on the enclosure 11 opens the window, the cover plate 117 can be conveniently opened to maintain the components in the electronic control box 100.

Fig. 6 is a schematic view of the outside of the top cover 12 according to the embodiment of the present invention; fig. 7 is a schematic view of the inside of the top cover 12 according to the embodiment of the present invention; fig. 8 is a schematic diagram of the relative position between the top cover 12 of the outdoor unit 1 of the air conditioner and the electric control box 100 according to the embodiment of the present invention. As shown in fig. 6 to 8, a water inlet 15 is disposed at a position of the top cover 12 close to the edge, and the water inlet 15 is located right above the water receiving tank 120 of the electric control box 100, so that the cooling water flowing into the air conditioner outdoor unit 1 from the water inlet 15 can directly fall into the water receiving tank 120 under the action of gravity.

In order to facilitate the connection of the pipe line 3 for supplying cooling water to the water inlet 15, the outer end of the water inlet 15 has an outer pipe 16 protruded from the outer surface of the top cover 12 so that the pipe line 3 for cooling water can be fitted thereon to communicate with the water inlet 15. The lower end of the water inlet 15 is provided with an inner pipe 17 protruding out of the inner surface of the top cover 12, and the inner pipe 17 can play a certain role in drainage, so that the water outlet direction of the water inlet 15 can be more definite. In order to prevent the cooling water from flowing out of the inner tube 17 from dispersing, the end surface of the free end of the inner tube 17 is provided with a slope.

Further, the distance between the outlet end of the inner tube 17 and the bottom of the water receiving tank 120 is less than 30mm, and preferably, the distance is 15 mm. The distance between the outlet end of the inner tube 17 and the bottom of the water receiving tank 120 is set to be less than 30mm, so that cooling water passes through the water inlet 15 and is not easy to splash when falling to the water receiving tank 120 from the outlet end of the inner tube 17.

When the controller 140 is cooled, external cooling water is introduced into the outdoor unit 1 from the water inlet 15, and the cooling water first falls into the water receiving tank 120, and then flows out through the drain passage 122 to be scattered on the heat sink 130. Since the cooling water temperature is lower than that of the fin 130, the cooling effect of the fin 130 is enhanced. In the present embodiment, the cooling water may be manually injected from the water inlet 15; a line may be used to connect the water inlet 15 to an external reservoir; it is of course also possible to introduce into the water inlet 15 the condensation water produced during the operation of other equipment, such as the indoor unit.

Fig. 9 is a schematic view of an air conditioning system according to an embodiment of the present invention. As shown in fig. 9, the air conditioning system of the present embodiment includes an air conditioner indoor unit 2, a pipeline 3, and the air conditioner outdoor unit 1 of the above embodiment. The pipeline 3 leads the condensed water of the air conditioner internal unit 2 to the water inlet 15 of the air conditioner external unit 1, thereby cooling the internal controller 140.

This scheme need not outside water source, and air conditioner internal unit 2 can produce the comdenstion water constantly when the operation, and the comdenstion water can also be regarded as the cooling water once more and utilized before discharging out air conditioning system, consequently also more economic environmental protection.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims

1. An electric control box for accommodating a controller (140) connected with a cooling fin (130), characterized in that the electric control box (100) comprises a box body (110) with a cavity, the box body (110) is provided with a water receiving tank (120) for receiving cooling water and a drainage channel (122) communicated with the water receiving tank (120), and the drainage channel (122) is arranged to drain the cooling water in the water receiving tank (120) to the surface of the cooling fin (130).

2. The electrical control box according to claim 1, wherein the box body (110) is provided with a first opening (115), the first opening (115) being used for extending at least a part of the heat sink (130) outside the box body (110), the drainage channel (122) being arranged to drain cooling water to the part of the heat sink (130) outside the box body (110).

3. The electrical control box according to claim 2, wherein the box body (110) comprises a top plate (112) and a side plate (114) connected to the top plate (112), the top plate (112) and the side plate (114) are perpendicular to each other or have an included angle, the water receiving slot (120) is disposed on the top plate, the first opening (115) is opened on the side plate (114), and the heat sink (130) protrudes from the side plate (114) through the first opening (115).

4. The electrical box according to claim 3, characterized in that the top plate (112) comprises an extension (113) extending beyond the outer side of the side plate (114), the extension (113) being located above the portion of the heat sink (130) outside the box body (110), at least a portion of the water receiving trough (120) extending to the extension (113), the drainage channel (122) extending through the extension (113).

5. The electrical box according to claim 3, wherein the drainage channel (122) is a strip-shaped hole penetrating through the top plate (112), and the heat sink (130) comprises a plurality of fins arranged at intervals, and the extension direction of the strip-shaped hole is parallel to the arrangement direction of the fins.

6. The electrical control box according to claim 1, wherein the box body (110) is provided with a second opening, and the electrical control box (100) further comprises a closing plate (117) detachably connected to the box body (110) to close or open the second opening.

7. An outdoor unit of an air conditioner, characterized by comprising a casing (10) and the electric control box (100) of any one of claims 1-6, wherein the electric control box (100) is arranged in the casing (10), a controller (140) is arranged in the electric control box (100), and the controller (140) is connected with a cooling fin (130); the shell (10) is provided with a water inlet (15) so as to introduce external cooling water into the water receiving groove (120) of the electric control box (100).

8. The outdoor unit of claim 7, wherein the casing (10) comprises a top cover (12) and a surrounding plate (11), the water inlet (15) is arranged on the top cover (12), and the electric control box (100) is arranged on the inner side of the surrounding plate (11); the water receiving tank (120) is located below the water inlet (15) to receive cooling water falling from the water inlet (15).

9. The outdoor unit of claim 8, wherein the lower end of the water inlet (15) is connected with an inner pipe (17) protruding from the inner surface of the top cover (12), and the distance between the outlet end of the inner pipe (17) and the bottom of the water receiving tank (120) is 10-30 mm.

10. The outdoor unit of claim 8, wherein the coaming (11) is provided with a window corresponding to a mounting position of the electric control box (100), and the casing (10) further comprises a cover plate (14) for opening or closing the window.

11. Air conditioning system, characterized by comprising an air conditioning inner unit (2), a pipeline (3) and the air conditioning outer unit (1) of any one of claims 7-10, wherein the pipeline (3) is arranged to convey condensed water of the air conditioning inner unit (2) to a water inlet (15) of the air conditioning outer unit (1).