CN115264647B - Electrical control box and the indoor air conditioning unit containing it - Google Patents

Abstract

This application relates to an electrical control box and an indoor air conditioner unit having the same, belonging to the field of air conditioner technology. The electrical control box includes: a box body defining a receiving cavity; a radiator and a mounting bracket are disposed within the receiving cavity; the radiator and the mounting bracket are connected to jointly define a mounting cavity for fixing a heat-absorbing part; the radiator and the mounting bracket are respectively attached to the heat-absorbing part; the mounting bracket is made of metal; the heat-absorbing part defines a cooling channel for coolant to flow through. According to the electrical control box of the present invention, the temperature of the heat-absorbing part can be reduced by the coolant in the heat-absorbing part, and then the cold energy can be radiated to the radiator through direct contact, and then transferred to the electrical control components through the radiator. At the same time, since the heat-absorbing part is located in the mounting cavity, and the radiator and the mounting bracket are respectively attached to the heat-absorbing part, the contact between air and the heat-absorbing part is reduced, which can effectively reduce the generation of condensate.

Description

Electric control box and air conditioner indoor unit with same

Technical Field

The application relates to the technical field of air conditioners, in particular to an electric control box and an air conditioner indoor unit with the same.

Background

At present, a compressor is usually placed at an indoor unit, and meanwhile, a main board of an outdoor unit is combined to a main board of the indoor unit. This will generally result in excessive power on the motherboard, thereby dissipating a large amount of heat, and if the heat cannot be discharged from the electrical box, the problem of temperature rise of components will be caused, thereby affecting the reliability of the whole machine.

The heat dissipation of the electrical box part of the air conditioner of the fixed base station is an important point to consider, and the conventional means adopt modes of refrigerant heat dissipation, air cooling heat dissipation and the like. However, such alternate heat dissipation methods have poor heat dissipation effects, and can result in the generation of condensed water, which can cause potential safety hazards when flowing through the charged component.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the electric control box which has higher heat dissipation efficiency and better sealing effect and can effectively reduce the generation of condensed water.

The electric control box comprises a box body, wherein the box body defines a containing cavity, a radiator and a fixing frame are arranged in the containing cavity, the radiator and the fixing frame are arranged in a stacked mode and connected to define a mounting cavity together, the mounting cavity is used for fixing a heat absorption part, the radiator and the fixing frame are respectively attached to the heat absorption part, the fixing frame is made of metal materials, the heat absorption part defines a cooling channel, and the cooling channel is used for cooling liquid to flow through.

According to the electric control box, the temperature of the heat absorption part can be reduced through the cooling liquid in the heat absorption part, then the cooling radiation is transmitted to the radiator through direct contact, and then the cooling radiation is transmitted to the electric control assembly through the radiator.

The electric control box further comprises an electric control component, wherein the electric control component is arranged on one side, far away from the fixing frame, of the radiator and is in side-by-side abutting connection with the radiator, and/or the heat absorption part comprises at least one radiating pipe.

Optionally, the mount includes relative first installation face and second installation face, and first installation face orientation is close to one side of automatically controlled subassembly, and the radiator is located on the first installation face, is equipped with the turn-ups along its circumference on the mount, and the turn-ups are limited to give way the mouth, give way the mouth and the external environment intercommunication of automatically controlled box, give way the mouth and be used for supplying the cooling tube to stretch out the mount, still be equipped with first guide plate on the first installation face, first guide plate locates one side of cooling tube and extends towards giving way the mouth along the direction that the cooling tube extends.

Optionally, the electronic control assembly includes main control board and support, and main control board locates the support one side of keeping away from the mount, and one side of support orientation mount is equipped with spacing boss, and spacing boss extends to the other end along the one end of installation cavity and extends towards the direction that is close to the mouth of stepping down, spacing boss and box body butt.

Optionally, a yielding port is arranged on the bracket, the radiator is embedded in the yielding port, and one side of the radiator facing the main control board is attached to the main control board.

Optionally, the main control board includes power module, and the support is equipped with the breakwater towards one side of main control board, and the breakwater sets up along the circumference of the mouth of stepping down, and power module's part inlays locates in the mouth of stepping down, power module and breakwater sealing connection.

Optionally, the part of the water baffle above the power module is inclined towards the direction close to the yielding port, and an included angle alpha between the water baffle and the normal direction of the first mounting surface is equal to or more than 5 degrees and equal to or less than 15 degrees.

Optionally, a heat dissipation layer is filled in the gap between the mounting cavity and the heat dissipation tube.

According to the electric control box, the fixing frame is made of metal materials, and one side of the fixing frame, which is far away from the radiator, is abutted with the box body.

The air conditioner inner unit is used for an air conditioner, and the air conditioner further comprises an air conditioner outer unit and comprises the electric control box.

According to the air conditioner indoor unit, the temperature of the heat absorption part can be reduced through the cooling liquid in the heat absorption part, then the cooling radiation is transmitted to the radiator through direct contact, and then the cooling radiation is transmitted to the electric control assembly through the radiator.

Optionally, the air conditioner inner unit further comprises a heat absorption part of the cooling system, the cooling system further comprises a heat release part and a cooling circulation flow path connected between the heat absorption part and the heat release part, the heat release part is arranged in the air conditioner outer unit, the heat absorption part is arranged in the mounting cavity of the electric control box, the heat absorption part defines a cooling channel, and the cooling channel is used for cooling liquid to flow through.

Optionally, the air conditioner inner unit comprises a first heat exchanger, the air conditioner outer unit comprises a compressor, one end of the heat absorption part is communicated with the inlet end of the first heat exchanger, and the other end of the heat absorption part is communicated with the yielding port end of the compressor.

Optionally, the heat absorbing part comprises at least one radiating pipe, the radiating pipe is fixed on the fixing frame through a pipe clamp, and the pipe clamp is positioned between the mounting cavity and the abdication port.

Optionally, the air conditioner indoor unit further comprises a shell, the shell defines an accommodating cavity, a fan, a first heat exchanger and an electric control box are arranged in the accommodating cavity, a water outlet is formed in the bottom wall of the shell, the shell further defines a water drainage channel, and the water drainage channel is communicated with the abdication port and the water outlet.

Optionally, the accommodating cavity is further provided with a reactor box, the reactor box is arranged between the bottom wall and the electric control box, and the reactor box is respectively abutted with the electric control box and the bottom wall.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

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

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an exploded view of an electronic control box according to an embodiment of the present invention;

fig. 4 is a perspective view of an electronic control box including a fixing frame according to an embodiment of the present invention;

Fig. 5 is a perspective view of an electronic control box including a bracket according to an embodiment of the present invention;

Fig. 6 is another cross-sectional view of an air conditioner indoor unit according to an embodiment of the present invention.

Reference numerals:

An air conditioner indoor unit 1,

The electronic control box 10, the box body 11, the electronic control assembly 12, the main control board 122, the power module 1222, the bracket 124, the abdication opening 1244, the water baffle 1246, the limit boss 1248, the second guide plate 1249, the radiator 13, the first groove 132, the first protrusion 134, the fixing frame 14, the abdication opening 142, the first guide plate 143, the second groove 146, the second protrusion 148, the rib 149,

A heat absorbing part 20, a radiating pipe 21, a pipe clamp 22, a housing 30, a water outlet 31, a reactor box 40 and a fan 50.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

As shown in fig. 1 to 3, an electronic control box 10 according to an embodiment of the present invention includes a box body 11, an electronic control assembly 12, a heat sink 13, and a fixing frame 14.

Specifically, the box 11 defines a housing cavity, an electric control assembly 12, a radiator 13 and a fixing frame 14 are disposed in the housing cavity, the radiator 13 and the fixing frame 14 are stacked and connected to define a mounting cavity together, the mounting cavity is used for fixing the heat absorbing portion 20, the radiator 13 and the fixing frame 14 are respectively attached to the heat absorbing portion 20, the fixing frame 14 is made of a metal material, the heat absorbing portion 20 defines a cooling channel, and the cooling channel is used for cooling liquid to flow through.

For development, the electric control assembly 12 includes a main control board 122, when the electric control assembly 12 is applied to an air conditioner, the electric control assembly 12 is used for controlling the air conditioner, the box 11 is used for protecting the electric control assembly 12, the radiator 13 is used for radiating heat of a driving module, the main control board 122, electric elements and the like in the electric control assembly 12, and the radiator 13 is in contact with the heat absorption portion 20 to conduct heat, so that the cooling capacity of the heat absorption portion 20 is transferred to the electric control assembly 12, and the radiating efficiency of the electric control box 10 is improved. Meanwhile, the heat absorbing part 20 is arranged in the mounting cavity, and the radiator 13 and the fixing frame 14 are respectively abutted against the heat absorbing part 20, so that the contact between air and the radiating pipe 21 is reduced, and the generation of condensed water can be effectively reduced.

The fixing frame 14 made of metal material can directly transfer cooling capacity to the box body 11, so that the problem of service life reduction of components caused by overhigh temperature inside the electric control box 10 is greatly solved.

The heat sink 13 is detachably connected to the fixing frame 14, and the heat sink 13 is connected to the fixing frame 14 through fasteners, wherein the fasteners include, but are not limited to, screws, bolts and pins.

In some embodiments, to enhance the heat dissipation effect of the heat sink 13, the heat sink 13 includes a plurality of heat dissipation fins, and the heat dissipation fins are spaced apart along the length direction of the mounting cavity.

In some embodiments, the heat sink 13 is a parallel flow heat sink 13, so that the space of the box 11 can be saved, and the heat dissipation efficiency is high.

The case 11 includes an upper cover and a lower cover, which are typically connected by fasteners including, but not limited to, screws, bolts, and pins, between which sealing strips may be provided, with which sealing connection between the two is achieved, or between which a glue-applying process may be performed, so as to achieve sealing connection between the upper cover and the lower cover.

According to the electronic control box 10 of the embodiment of the invention, the temperature of the heat absorption part 20 can be reduced by the cooling liquid in the heat absorption part 20, then the cold radiation is transmitted to the radiator 13 through direct contact, and then the cold radiation is transmitted to the electronic control assembly 12 through the radiator 13, so that the heat dissipation efficiency of the electronic control box 10 is improved, meanwhile, the contact between the air and the heat absorption part 20 is reduced, and the generation of condensed water can be effectively reduced.

According to the electronic control box 10 of the embodiment of the invention, the fixing frame 14 is made of metal material, and one side of the fixing frame 14 far away from the radiator 13 is abutted with the box body 11. In this way, the heat absorbing portion 20→the fixing frame 14→the box 11 are contacted to perform cold energy transfer, so that the fixing frame 14 made of metal can transfer cold energy to the box 11, thereby cooling the whole box 11, and the metal materials include, but are not limited to, iron and its alloy, aluminum and its alloy.

In addition, as shown in fig. 1 and 2, in some embodiments, the electric control component 12 is disposed on a side, far away from the fixing frame 14, of the radiator 13 and is arranged side by side with the radiator 13, the radiator 13 is in contact with the heat absorbing portion 20 to conduct heat, the cold energy of the heat absorbing portion 20 is transferred to the electric control component 12 through contact, the heat absorbing portion 20→the radiator 13→the electric control component 12 is in contact to conduct cold energy transfer, the electric control component 12 is in contact with the radiator 13, heat exchange between the electric control component 12 and the radiator 13 can be enhanced, a heat dissipation effect is enhanced, and damage to the electric control component 12 and the radiator 13 caused by operation vibration of the air conditioner 1 can be avoided when the electric control box 10 is applied to the air conditioner 1.

As shown in fig. 1 and 2, according to the electric control box 10 of the embodiment of the present invention, the heat absorbing portion 20 includes at least one heat dissipating tube 21, and the mounting cavity is attached to the outer wall of the heat dissipating tube 21, so that the heat dissipating tube 21 is fully contacted with the heat sink 13 and the heat dissipating tube 21 is fully contacted with the fixing frame 14, so that the heat exchanging between the heat sink 13 and the heat dissipating tube 21 is fully ensured, the heat exchanging between the heat dissipating tube 21 and the fixing frame 14 is fully performed, the heat dissipating efficiency is improved, and meanwhile, the contact between the heat dissipating tube 21 and the air is better isolated, and the generation of condensed water is prevented.

As shown in fig. 2, the radiating pipes 21 include two radiating fins of the radiator 13, wherein one side of the radiating fins facing the radiating pipes 21 presents a wavy structure matched with the outer walls of the two radiating pipes 21, the outline of the radiating fins facing the radiating pipes 21 is generally composed of first protrusions 134 and first grooves 132 which are alternately arranged, the first grooves 132 are in one-to-one correspondence with the radiating pipes 21, the radiating pipes 21 are embedded in the first grooves 132, and the first protrusions 134 are arranged between two adjacent first grooves 132. Of course, more than two radiating pipes 21 may be provided, and the radiating fins of the radiator 13 may be provided on the outer walls of the plurality of radiating pipes 21 toward one side of the radiating pipes 21 in a wave-like structure.

As shown in fig. 2, the outline of the fixing frame 14 defining the installation cavity is generally formed by second protrusions 148 and second grooves 146 which are alternately arranged, the second grooves 146 are in one-to-one correspondence with the radiating pipes 21, the radiating pipes 21 are embedded in the second grooves 146, the second protrusions 148 are arranged between two adjacent second grooves 146, and the second protrusions 148 are abutted against the first protrusions 134.

In some embodiments, the space between the mounting cavity and the radiating tube 21 is filled with a radiating layer, so that the radiating efficiency can be improved, and meanwhile, the space between the mounting cavity and the radiating tube 21 can be sealed as much as possible, air is discharged, and the generation of condensed water in the mounting cavity is prevented.

It should be noted that the heat dissipation layer includes, but is not limited to, a heat dissipation paste layer.

As shown in fig. 4, in some embodiments, the fixing frame 14 includes a first mounting surface and a second mounting surface opposite to each other, the first mounting surface faces to a side close to the electronic control assembly 12, the radiator 13 is disposed on the first mounting surface, a flange is disposed on the fixing frame 14 along a circumferential direction of the fixing frame, the flange defines a yielding port 142, the yielding port 142 is communicated with an external environment of the electronic control box 10, the yielding port 142 is used for allowing the radiating tube 21 to extend out of the fixing frame 14, a first deflector 143 is disposed on the first mounting surface, and the first deflector 143 is disposed on a side of the radiating tube 21 and extends towards the yielding port 142 along a direction in which the radiating tube 21 extends, so that condensed water generated outside a tube wall of the radiating tube 21 can be converged to the yielding port 142 along the first deflector 143, and thus flows out of the electronic control box 10, and damage of the condensed water to electrical components in the electronic control assembly 12 is prevented.

As shown in fig. 4, the first baffle 143 includes a first sub-baffle and a second sub-baffle, the radiating pipe 21 includes a first sub-radiating pipe 21 located in the installation cavity and a second sub-radiating pipe 21 located outside the installation cavity, the first sub-baffle corresponds to the first sub-radiating pipe 21, and the first sub-baffle is located below the first sub-baffle and is used for receiving and guiding condensed water to flow to the second sub-baffle and finally to the position of the abdicating port 142.

In some embodiments, as shown in fig. 2 and 5, the electronic control assembly 12 includes a main control board 122 and a support 124, the main control board 122 is disposed on a side of the support 124 away from the fixing frame 14, a limit boss 1248 is disposed on a side of the support 124 facing the fixing frame 14, the limit boss 1248 extends from one end to the other end of the mounting cavity and extends toward a direction approaching the yielding port 142, and the limit boss 1248 abuts against the box 11. Therefore, the bracket 124 and the box 11 can isolate the condensed water through the cooperation of the limiting boss 1248, and the condensed water is prevented from entering the electrified component of the main control board 122.

As shown in fig. 5, a second deflector 1249 is further disposed on a side of the support 124 facing the fixing frame 14, and the second deflector 1249 is disposed on a side of the radiating tube 21 and extends toward the abdication port 142 along the extending direction of the radiating tube 21, so that condensed water generated outside the tube wall of the radiating tube 21 can be converged to the abdication port 142 along the second deflector 1249, and flows out of the electronic control box 10, thereby preventing the condensed water from damaging electrical components in the electronic control assembly 12.

As shown in fig. 2 and 3, in some embodiments, the main control board 122 includes a power module 1222, a yielding port 1244 is provided on the bracket 124, the heat sink 13 is embedded in the yielding port 1244, and a side of the heat sink 13 facing the main control board 122 is attached to the main control board 122. That is, the heat sink 13 is attached to the power module 1222 protruding from the main control board 122, so as to avoid the power module 1222 on the main control board 122 from contacting the heat sink 13 poorly, the power module 1222 and the heat sink 13 are also fixed by fasteners, such as screws.

The power module 1222 (INTELLIGENT POWER MODULE, IPM) has integrated logic, control, detection and protection circuits therein, which is convenient to use, not only reduces the volume and development time of the system, but also greatly enhances the reliability of the system.

In some embodiments, a water baffle 1246 is disposed on a side of the support 124 facing the main control board 122, the water baffle 1246 is disposed along a circumferential direction of the yielding port 1244, a portion of the power module 1222 is embedded in the yielding port 1244, the power module 1222 is in sealing connection with the water baffle 1246, a portion of the water baffle 1246 located above the power module 1222 is inclined towards a direction close to the yielding port 1244, and an included angle between the water baffle 1246 and a normal direction of the first mounting surface is alpha, and is 5 degrees less than or equal to 15 degrees.

As shown in fig. 2, a portion of the water baffle 1246 above the power module 1222 is abutted against the power module 1222 of the main control board 122, where the water baffle 1246 and the power module 1222 are sealed by applying waterproof glue, so as to prevent condensed water from flowing out along a gap into the back of the main control board 122, and the condensed water can only converge towards the yielding port 142.

In addition, the water baffle 1246 is inclined towards the direction close to the abdication port 1244, so that condensed water condensed on the water baffle 1246 can be smoothly discharged, but not focused on the water baffle 1246, and the influence on the electrified components of the main control board 122 is prevented. Wherein, alpha can be 5 DEG, 8 DEG, 11 DEG, 13 DEG, 15 DEG and the like.

In some embodiments, as shown in fig. 3, the main control board 122 is disposed on a side of the support 124 away from the fixing frame 14, ribs 149 are disposed along a circumferential direction of the fixing frame 14, the ribs 149 avoid the yielding ports 142, and a boss is disposed on the support 124 at a position corresponding to the ribs 149, where the ribs 149 are abutted with the boss.

Wherein, rib 149 protrusion is sealed in first installation face through rib 149 and boss butt, prevents winged insect or comdenstion water entering. During assembly, the main control board 122 is fixed on the bracket 124, and then the bracket 124 is fixed on the box 11 through a fastener.

As shown in fig. 1, an air conditioner indoor unit 1 according to an embodiment of the present invention is used for an air conditioner, and the air conditioner further includes an air conditioner outdoor unit including the above-described electronic control box 10.

According to the air conditioner indoor unit 1 provided by the embodiment of the invention, the temperature of the heat absorption part 20 can be reduced through the cooling liquid in the heat absorption part 20, then the cold radiation is transmitted to the radiator 13 through direct contact, and then the cold radiation is transmitted to the electric control component 12 through the radiator 13, so that the heat radiation efficiency of the electric control box 10 is improved, meanwhile, as the heat absorption part 20 is arranged in the installation cavity, and the radiator 13 and the fixing frame 14 are respectively abutted with the heat absorption part 20, the contact between air and the heat absorption part 20 is reduced, the generation of condensed water can be effectively reduced, and the operation safety of the air conditioner indoor unit 1 is improved.

In some embodiments, the air conditioner 1 further comprises a heat absorbing part 20 of a cooling system, the cooling system further comprises a heat releasing part and a cooling circulation flow path connected between the heat absorbing part 20 and the heat releasing part, the heat releasing part is arranged in the air conditioner external unit, the heat absorbing part 20 is arranged in the mounting cavity of the electric control box 10, and the heat absorbing part 20 defines a cooling channel for cooling liquid to flow through.

According to the air conditioner indoor unit 1 provided by the embodiment of the invention, the cooling system is used as an independent cooling system, and when the air conditioner indoor unit 1 is operated, part of refrigerant in the first heat exchanger is not separated, and the reliability of the operation of the air conditioner indoor unit 1 is realized without reducing the frequency, namely sacrificing the energy efficiency of the air conditioner indoor unit 1. Meanwhile, when the air conditioner heats, the electric control box 10 can be independently operated to cool down.

In some embodiments, the air conditioner indoor unit 1 comprises a first heat exchanger, the air conditioner outdoor unit comprises a compressor, one end of the heat absorbing part 20 is communicated with the inlet end of the first heat exchanger, and the other end of the heat absorbing part 20 is used for being communicated with the yielding port 142 end of the compressor.

According to the air conditioner indoor unit 1 provided by the embodiment of the invention, the use of a pump body can be reduced, and the electric control box 10 can be cooled by dividing part of refrigerant of the first heat exchanger into the electric control box 10, so that the structural arrangement can be simplified.

In some embodiments, as shown in fig. 3 and 4, the heat sink 20 includes at least one heat pipe 21, the heat pipe 21 being secured to the mount 14 by a pipe clamp 22, the pipe clamp 22 being located between the mounting cavity and the relief port 142. The pipe clamp 22 can further fix the radiating pipe 21 on the fixing frame 14, so that the radiating pipe 21 is prevented from being worn during transportation and use due to collision.

In some embodiments, as shown in fig. 6, the air conditioner 1 further includes a housing 30, where the housing 30 defines a receiving cavity, a fan 50, a first heat exchanger, and the electric control box 10 are disposed in the receiving cavity, a drain opening 31 is disposed on a bottom wall of the housing 30, and the housing 30 further defines a drain channel, and the drain channel communicates with the yielding opening 142 and the drain opening 31. In this way, the condensed water generated in the electronic control box 10 can flow through the drain passage along the relief port 142 until it flows out of the air conditioner 1 via the drain port 31.

In some embodiments, a reactor box 40 is further disposed in the accommodating cavity, the reactor box 40 is disposed between the bottom wall and the electronic control box 10, and the reactor box 40 is respectively abutted with the electronic control box 10 and the bottom wall.

Thus, through setting up reactor box 40 and diapire direct contact to can support automatically controlled box 10, reduce the support part of air conditioner inner unit 1, alleviateed the whole weight in the air conditioner, when the assembly, can reduce the hand action when the assembly, be convenient for assemble, raise the efficiency. In addition, the electric control box 10 and the shell 30 are fixed through fasteners, and can be used as a whole machine framework to support the parts such as the first heat exchanger, the panel part and the like, so that instability caused by light weight of the head and feet of the air conditioner 1 is avoided, and the reliability of the whole machine is improved.

The air conditioner comprises an air conditioner external unit and the air conditioner internal unit 1, wherein the air conditioner internal unit 1 and the air conditioner external unit share the electric control box 10. The air conditioner inner unit 1 and the air conditioner outer unit form a refrigeration loop, and the refrigeration loop comprises a compressor, a first heat exchanger, a throttle and a second heat exchanger which are sequentially connected in series. During cooling, the refrigerant flowing into the heat absorption part 20 sequentially passes through the heat absorption part 20, the throttle, the second heat exchanger and the compressor, or the refrigerant flowing into the heat absorption part 20 sequentially passes through the heat absorption part 20, the first heat exchanger, the throttle, the second heat exchanger and the compressor, and then enters the heat absorption part 20.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims (12)

1. An electronic control box, characterized by comprising:

The box body is provided with a containing cavity, an electric control assembly, a radiator and a fixing frame are arranged in the containing cavity, the radiator and the fixing frame are arranged in a stacked mode and connected to jointly define a mounting cavity, the mounting cavity is used for fixing a heat absorption part, the radiator and the fixing frame are respectively attached to the heat absorption part, the heat absorption part is provided with a cooling channel, the cooling channel is used for cooling liquid to flow through, the heat absorption part comprises at least one radiating pipe, the mounting cavity is attached to the outer wall of the radiating pipe, and a radiating layer is filled in a gap between the mounting cavity and the radiating pipe;

The electric control assembly is arranged on one side, far away from the fixing frame, of the radiator and is in abutting connection with the radiator side by side, the fixing frame is made of metal materials, and one side, far away from the radiator, of the fixing frame is in abutting connection with the box body.

2. The electronic control box according to claim 1, wherein the fixing frame comprises a first installation surface and a second installation surface which are opposite, the first installation surface faces towards one side close to the electronic control assembly, the radiator is arranged on the first installation surface, a flanging is arranged on the fixing frame along the circumferential direction of the fixing frame, the flanging defines a yielding port, the yielding port is communicated with the external environment of the electronic control box, the yielding port is used for enabling the radiating pipe to extend out of the fixing frame, and a first guide plate is further arranged on the first installation surface and is arranged on one side of the radiating pipe and extends towards the yielding port along the extending direction of the radiating pipe.

3. The electronic control box according to claim 2, wherein the electronic control assembly comprises a main control board and a support, the main control board is arranged on one side of the support away from the fixing frame, a limit boss is arranged on one side of the support towards the fixing frame, the limit boss extends from one end to the other end of the mounting cavity and extends towards a direction close to the yielding port, and the limit boss is in butt joint with the box body.

4. The electronic control box according to claim 3, wherein a yielding port is formed in the support, the radiator is embedded in the yielding port, and one side, facing the main control board, of the radiator is attached to the main control board.

5. The electronic control box according to claim 4, wherein the main control board comprises a power module, a water baffle is arranged on one side of the support, facing the main control board, of the support, the water baffle is arranged along the circumferential direction of the yielding port, a part of the power module is embedded in the yielding port, and the power module is in sealing connection with the water baffle.

6. The electronic control box according to claim 5, wherein a portion of the water baffle above the power module is inclined toward a direction close to the relief opening, and an angle alpha between the water baffle and a normal direction of the first mounting surface is equal to or greater than 5 degrees and equal to or less than 15 degrees.

7. An air conditioner indoor unit for an air conditioner, further comprising an air conditioner outdoor unit, comprising the electronic control box according to any one of claims 1 to 6.

8. The air conditioner indoor set of claim 7, further comprising:

The cooling system further comprises a heat absorption part and a cooling circulation flow path connected between the heat absorption part and the heat emission part, wherein the heat emission part is arranged in the air conditioner external unit, and the heat absorption part is arranged in the installation cavity of the electric control box.

9. The air conditioner indoor unit of claim 8, wherein the air conditioner indoor unit comprises a first heat exchanger, the air conditioner outdoor unit comprises a compressor, one end of the heat absorbing part is communicated with an inlet end of the first heat exchanger, and the other end of the heat absorbing part is communicated with a yielding port end of the compressor.

10. An air conditioner indoor unit according to any one of claims 7-9, wherein the heat sink comprises at least one heat pipe secured to the mount by a pipe clip, the pipe clip being located between the mounting cavity and the relief port.

11. The air conditioner indoor unit of any one of claims 7-9, further comprising a housing defining a receiving chamber, wherein a fan, a first heat exchanger and the electrical control box are disposed in the receiving chamber, wherein a drain opening is disposed in a bottom wall of the housing, and wherein the housing further defines a drain channel that communicates the relief opening with the drain opening.

12. The air conditioner indoor unit of claim 11, wherein a reactor box is further disposed in the accommodating cavity, the reactor box is disposed between the bottom wall and the electric control box, and the reactor box is respectively abutted with the electric control box and the bottom wall.