CN209910120U

CN209910120U - Air conditioner controller

Info

Publication number: CN209910120U
Application number: CN201920335634.0U
Authority: CN
Inventors: 曹成; 陈上康
Original assignee: Wei Gao Frequency Conversion Science And Technology Ltd Of Zhuhai City
Current assignee: Wei Gao Frequency Conversion Science And Technology Ltd Of Zhuhai City
Priority date: 2019-03-14
Filing date: 2019-03-14
Publication date: 2020-01-07
Anticipated expiration: 2029-03-14
Also published as: WO2020181571A1

Abstract

The utility model relates to an air conditioner technical field discloses an air conditioner controller, including the drain pan and locate the control circuit board and the upper cover of drain pan, the inner chamber of upper cover can hold all or partial electronic components on the control circuit board, and the top of one side of control circuit board is equipped with the cooling tube, can lead to the refrigerant in the cooling tube. When the air conditioner is operated, the cooling pipe is internally provided with a refrigerant which can be a low-temperature refrigerant in an air conditioning system, and the cooling pipe is always in a low-temperature state in the flowing process of the refrigerant, so that the heat dissipated by more electronic components can be taken away, the heat dissipation effect of the radiator is better than that of a radiating fin type radiator, the normal operation of the controller can be better ensured, and the structure is also simple. Moreover, the controller is inversely installed on the air conditioner, namely, in the installation state, the control circuit board is arranged on the upper part, the cooling pipe is arranged on the lower part, and if water drops are condensed on the cooling pipe, the water drops can not flow onto the control circuit board, so that the use of electronic components can not be influenced.

Description

Air conditioner controller

Technical Field

The utility model relates to an air conditioner technical field especially relates to an air conditioner controller.

Background

Air conditioners are becoming more commonly used, and air conditioners are generally controlled by a controller to operate the air conditioners. Various electronic components are arranged in the controller, particularly on a control circuit board (PCBA). Electronic components, in particular power components on the control circuit board, such as power transistors for driving the compressor, generate heat during their operation. The radiator is used for radiating the generated heat to the outside of the controller, so that the overheating inside the controller is avoided. At present, install the radiator of fin formula in one side of controller, this kind of radiating mode can satisfy most environmental conditions, but when ambient temperature was extremely high, the heat that the automatically controlled ware produced can't be dispelled to this kind of mode, and too much heat can influence and even damage the device in the automatically controlled ware, and then influences the use of air conditioner.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an air conditioner controller, the heat dissipation is fast, and the radiating effect is good.

The utility model provides a technical scheme that its technical problem adopted does:

the air conditioner controller comprises a bottom shell, a control circuit board and an upper cover, wherein the control circuit board and the upper cover are arranged on the bottom shell, an inner cavity of the upper cover can accommodate all or part of electronic components on the control circuit board, a cooling pipe is arranged above one side of the control circuit board, and a cooling medium can be introduced into the cooling pipe.

As an improvement of the technical scheme, a radiating fin is further arranged above one side of the control circuit board, and the cooling pipe is embedded in the radiating fin.

As an improvement of the technical scheme, the cooling fin is provided with a groove, and the cooling pipe is arranged in the groove.

As an improvement of the technical scheme, the cooling fins are provided with two fins which are arranged up and down, the cooling pipe is arranged between the two fins, the grooves are formed in the end faces, close to the cooling pipe, of the fins, and the positions of the grooves in the two fins are corresponding to each other.

As an improvement of the technical scheme, the radiating fins and the cooling pipes are arranged between the control circuit board and the upper cover.

As an improvement of the technical scheme, the power devices on the control circuit board are arranged on one side of the control circuit board, and the cooling pipe is arranged above the power devices.

As an improvement of the technical scheme, a support frame is arranged between the control circuit board and the radiating fin and can support the radiating fin.

As the improvement of the technical scheme, a plurality of buckles are arranged on two adjacent sides inside the bottom shell, fixing blocks are arranged on one side or two sides of the bottom shell, and the control circuit board can be limited to move by the cooperation of the buckles and the fixing blocks.

As an improvement of the technical scheme, the buckle comprises a horizontal limiting block and a vertical limiting block arranged on the horizontal limiting block, the horizontal limiting block is arranged on the outer side of the control circuit board, and the vertical limiting block is arranged towards the control circuit board.

As an improvement of the above technical scheme, two opposite side surfaces of the upper cover are provided with a plurality of protrusions, two corresponding side surfaces of the bottom shell are provided with a plurality of clamping portions, and the clamping portions can clamp the protrusions.

The beneficial effects of the utility model are that:

the cooling pipe is arranged above one side of the control circuit board in the air conditioner controller, when an air conditioner operates, the cooling pipe is internally provided with a refrigerant for circulation, the refrigerant can be a low-temperature refrigerant in an air conditioning system, and because the refrigerant is in a flowing process, the cooling pipe is always in a low-temperature state, so that the heat dissipated by more electronic components can be taken away, the heat dissipation effect of the radiator is better than that of a radiating fin type radiator, the normal operation of the controller can be better ensured, and the structure is also simple. Moreover, the controller is inversely installed on the air conditioner, namely, in the installation state, the control circuit board is arranged on the upper part, the cooling pipe is arranged on the lower part, and if water drops are condensed on the cooling pipe, the water drops can not flow onto the control circuit board, so that the use of electronic components can not be influenced.

Drawings

The present invention will be further described with reference to the accompanying drawings and specific embodiments, wherein:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an exploded schematic view of an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a bottom case in an embodiment of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

Detailed Description

Referring to fig. 1, the utility model discloses an air conditioner controller, including drain pan 1 and locate drain pan 1's control circuit board 2 and upper cover 3, the inner chamber of upper cover 3 can hold all or partial electronic components 21 on the control circuit board 2, the top of one side of control circuit board 2 is equipped with cooling tube 5, can lead to the refrigerant in the cooling tube 5.

When the air conditioner is operated, a refrigerant circulates in the cooling pipe 5, the refrigerant can be a low-temperature refrigerant in an air conditioning system, and the cooling pipe 5 is always in a low-temperature state in the flowing process of the refrigerant, so that heat dissipated by more electronic components 21 can be taken away, the heat dissipation effect of the radiator is better than that of a radiating fin type radiator, the normal operation of a controller can be better guaranteed, and the structure is simple. Moreover, the controller is installed on the air conditioner upside down, that is, in the installation state, the control circuit board 2 is on the top, the cooling pipe 5 is on the bottom, if water drops are condensed on the cooling pipe 5, the water drops will not flow onto the control circuit board 2, and the use of the electronic component 21 will not be affected.

In this embodiment, the inner cavity of the upper cover 3 can accommodate part of the electronic components 21 on the control circuit board 2, that is, one end of the upper cover 3 is closed, and the other end is open, so that heat dissipation can be increased, and cost can be reduced.

Further referring to fig. 2, a heat sink 4 is further disposed above one side of the control circuit board 2, and the cooling tube 5 is embedded in the heat sink 4. Specifically, the cooling fin 4 is provided with a groove 41, and the cooling pipe 5 is disposed in the groove 41.

In this embodiment, the two cooling fins 4 are disposed in two, the two cooling fins 4 are disposed vertically, the cooling tube 5 is disposed between the two cooling fins 4, the groove 41 is disposed on the end surface of the cooling fin 4 close to the cooling tube 5, and the positions of the grooves 41 on the two cooling fins 4 correspond to each other. The cooling fin 4 and the cooling pipe 5 are arranged between the control circuit board 2 and the upper cover 3.

Thus, the cooling pipe 5 is surrounded by the two fins 4, the contact area between the cooling pipe 5 and the fins 4 is large, the heat conduction is fast, and the cooling pipe 5 is not exposed in the air, so that the surface is not easy to condense water drops, and the use of the electronic component 21 is not affected.

Specifically, the plurality of power devices 22 on the control circuit board 2 are all arranged on one side of the control circuit board 2, and the heat sink 4 and the cooling pipe 5 are all arranged above the power devices 22. Because the power device 22 is a main heating element, the power device 22 is closest to the heat sink 4 and the cooling tube 5, so that heat emitted by the power device 22 can be taken away more quickly, the heat dissipation effect is better, and the heat is prevented from influencing the use of the whole controller.

In order to facilitate the installation of the heat sink 4, a support frame 6 is arranged between the control circuit board 2 and the heat sink 4, and the support frame 6 can support the heat sink 4. The support frame 6 is provided with a groove and a through hole, the shape of the groove corresponds to the shape of the electronic component 21 on one side of the control circuit board 2, the through hole is used for mounting a screw, and the support frame 6 can fix the height of the electronic component 21 at the position. The upper surface of the support frame 6 is provided with a plurality of coplanar supporting points for supporting the radiating fin 4, so that the radiating fin 4 is parallel to the control circuit board 2, the radiating fin 4 is convenient to place and position, the flatness of the radiating fin 4 and the heights of the radiating fin 4 and the control circuit board 2 are ensured, and the production process can be reduced.

Referring to fig. 3 and 4 again, a plurality of buckles 11 are arranged on two adjacent sides inside the bottom case 1, and a fixing block 12 is arranged on one or two other sides, and the buckles 11 and the fixing block 12 are matched to limit the movement of the control circuit board 2. The bottom case 1 is provided inside with a plurality of supports 17, and the supports 17 may support the control circuit board 2.

Specifically, the structure of buckle does, buckle 11 includes horizontal stopper 13 and locates horizontal stopper 13's vertical stopper 14, the outside of control circuit board 2 is located to horizontal stopper 13, vertical stopper 14 sets up towards control circuit board 2.

During installation, one side or two sides of the control circuit board 2 are placed below the fixing block 12, the horizontal limiting block 13 of the buckle 11 is slightly broken outwards, the control circuit board 2 can be placed below the vertical limiting block 14, the buckle 11 is made of a tough material, the horizontal limiting block 13 is loosened, the horizontal limiting block 13 can automatically reset, and the position of the control circuit board 2 is limited by the matching of the buckle 11 and the fixing block 12. The control circuit board 2 is not required to be locked by screws, and the production procedures are reduced.

In addition, a plurality of protrusions 31 are disposed on two opposite side surfaces of the upper cover 3, a plurality of locking portions 15 are disposed on two corresponding side surfaces of the bottom case 1, and the protrusions 31 can be locked by the locking portions 15. Specifically, the locking portion 15 of one side of the bottom case 1 is a protruding locking block, and the protruding locking block can lock the protrusion. The clamping part 15 on the opposite side surface of the bottom shell 1 is a door-shaped clamping block, a clamping groove 16 is arranged on the door-shaped clamping block, and the protrusion 15 can be clamped in the clamping groove 16.

When the device is installed, the protrusion 31 on one side surface of the upper cover 3 is clamped below the protruding clamping block, the door-shaped clamping block is slightly broken outwards, and the protrusion 31 on the opposite side surface of the upper cover 3 is clamped in the clamping groove 16. The upper cover 3 and the bottom shell 1 do not need to be locked by screws, and the production procedures are reduced.

Further, the upper cover 3 is provided with a plurality of louvers 32. The air circulation in the controller can be increased, the temperature in the controller can be reduced, and the service life can be prolonged. Moreover, the air blown out by the air conditioner fan can flow out after entering the louver 32, and the heat is taken away. Be provided with installation piece 7 on the upper cover 3, have the through-hole on the installation piece 7, make things convenient for the controller to install on the air conditioner.

The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention should be all included in the protection scope of the present invention as long as the technical effects are achieved by any of the same or similar means.

Claims

1. An air conditioner controller characterized in that: the multifunctional electronic component box comprises a bottom shell (1), and a control circuit board (2) and an upper cover (3) which are arranged on the bottom shell, wherein an inner cavity of the upper cover can accommodate all or part of electronic components (21) on the control circuit board, a cooling pipe (5) is arranged above one side of the control circuit board, and a cooling medium can be introduced into the cooling pipe.

2. An air conditioner controller according to claim 1 wherein: and a radiating fin (4) is also arranged above one side of the control circuit board, and the cooling pipe is embedded in the radiating fin.

3. An air conditioner controller according to claim 2 wherein: the cooling fin is provided with a groove (41), and the cooling pipe is arranged in the groove.

4. An air conditioner controller according to claim 3 wherein: the cooling fin is provided with two fins which are arranged up and down, the cooling tube is arranged between the two fins, the groove is arranged on the end surface of the cooling fin close to the cooling tube, and the positions of the grooves on the two fins are corresponding.

5. An air conditioner controller according to any one of claims 2-4 wherein: the radiating fins and the cooling pipes are arranged between the control circuit board and the upper cover.

6. An air conditioner controller according to any one of claims 1-4 wherein: a plurality of power devices (22) on the control circuit board are arranged on one side of the control circuit board, and the cooling pipe is arranged above the power devices.

7. An air conditioner controller according to any one of claims 2-4 wherein: and a support frame (6) is arranged between the control circuit board and the radiating fin and can support the radiating fin.

8. An air conditioner controller according to claim 1 wherein: adjacent two sides in the bottom shell are provided with a plurality of buckles (11), the other side or two sides are provided with fixing blocks (12), and the buckles and the fixing blocks are matched to limit the control circuit board to move.

9. An air conditioner controller according to claim 8 wherein: the buckle includes horizontal stopper (13) and vertical stopper (14) of locating horizontal stopper, the outside of control circuit board is located to the horizontal stopper, vertical stopper sets up towards control circuit board.

10. An air conditioner controller according to claim 1 wherein: the relative both sides face of upper cover is equipped with a plurality of archs (31), the both sides face that the drain pan corresponds is equipped with a plurality of card portions (15), protruding can be blocked in card portion.