CN115264647A - Electric control box and air conditioner indoor unit with same - Google Patents

Abstract

The application relates to an automatically controlled box and air conditioner internal unit who has it belongs to air conditioner technical field, automatically controlled box includes: the box body, the box body is injectd and is held the chamber, holds the intracavity and is equipped with radiator and mount, and the radiator is connected with the mount and is injectd the installation cavity jointly, and the installation cavity is used for fixed heat absorption portion, and the radiator laminates with heat absorption portion respectively with the mount, and the mount is made by metal material, and cooling channel is injectd to heat absorption portion, and cooling channel is used for supplying the 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, the cold energy is transmitted to the radiator through direct contact, and then transmitted to the electric control assembly through the radiator.

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 internal unit with the same.

Background

At present, a base station air conditioner generally places a compressor at an indoor unit, and simultaneously merges a main board of an outdoor unit to the main board of the indoor unit. This can lead to the power of mainboard too high usually to give off a large amount of heats, if the heat can't be followed the electrical apparatus box and discharged then can cause the components and parts temperature rise problem, thereby influence complete machine reliability.

The heat dissipation of the electric appliance box part of the air conditioner of the fixed base station is a key point of consideration, and the conventional means adopts the modes of refrigerant heat dissipation, air cooling heat dissipation and the like. However, such a cooling and heating alternating heat dissipation method has a poor heat dissipation effect, and may cause generation of condensed water, which may cause a safety hazard when the condensed water flows through the charged component.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the electric control box which is high in heat dissipation efficiency and good in sealing effect and can effectively reduce the generation of condensed water.

The electric control box comprises: the box body, the box body is injectd and is held the chamber, holds the intracavity and is equipped with radiator and mount, and the radiator sets up with the mount stack-up and is connected in order to injectd the installation cavity jointly, and the installation cavity is used for fixed heat absorption portion, and the radiator laminates with heat absorption portion respectively with the mount, and the mount is made by metal material, and cooling channel is injectd to heat absorption portion, and cooling channel is used for supplying the coolant 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, the cold energy is transmitted to the radiator through direct contact, and then transmitted to the electric control assembly through the radiator.

The electric control box further comprises an electric control assembly, the electric control assembly is arranged on one side, far away from the fixing frame, of the radiator and is in parallel 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, first installation face orientation is close to one side of automatically controlled subassembly, the radiator is located on first installation face, be equipped with the turn-ups along its circumference on the mount, the turn-ups is injectd and is appeared giving a place the mouth, let a place the mouth and communicate with the external environment of automatically controlled box, it is used for supplying the cooling tube to stretch out the mount to give a place the mouth, still be equipped with first guide plate on the first installation face, one side of cooling tube and along the direction orientation that the cooling tube extends let a place the mouth extend are located to first guide plate.

Optionally, automatically controlled subassembly includes main control board and support, and the main control board is located one side of keeping away from the mount of support, and the support is equipped with spacing boss towards one side of mount, and spacing boss extends to the other end and orientation along the one end of installation cavity and is close to the direction extension of letting the position mouth, spacing boss and box body butt.

Optionally, a yielding port is formed in the support, the radiator is embedded in the yielding port, and one side of the radiator, which faces the main control board, is attached to the main control board.

Optionally, the main control board includes a power module, one side of the support towards the main control board is provided with a water baffle, the water baffle is arranged along the circumference of the abdicating opening, part of the power module is embedded in the abdicating opening, and the power module is hermetically connected with the water baffle.

Optionally, a portion of the water baffle above the power module is inclined toward a direction close to the relief opening, and an angle between the water baffle and a normal direction of the first mounting surface is alpha, and is 5 DEG alpha less than or equal to 15 deg.

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

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 against the box body.

The air conditioner internal unit is used for an air conditioner, and the air conditioner also comprises an air conditioner external unit, and the air conditioner internal unit comprises: the electric control box is provided.

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

Optionally, the air conditioner internal unit further includes: the cooling system further comprises a heat release portion and a cooling circulation flow path connected between the heat absorption portion and the heat release portion, the heat release portion is arranged in an air conditioner external unit, the heat absorption portion is arranged in an installation cavity of the electric control box, the heat absorption portion defines a cooling channel, and cooling liquid flows through the cooling channel.

Optionally, the air conditioner internal unit comprises a first heat exchanger, the air conditioner external unit comprises a compressor, one end of the heat absorption portion is communicated with an inlet end of the first heat exchanger, and the other end of the heat absorption portion is used for being communicated with an abdicating 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 located between the mounting cavity and the abdicating port.

Optionally, the air conditioner indoor unit further comprises a shell, the shell defines a containing cavity, a fan, a first heat exchanger and an electric control box are arranged in the containing 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 water outlet and the position opening.

Optionally, the holding 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 against the electric control box and the bottom wall.

Drawings

The accompanying drawings incorporated in and forming a part of the specification, there is shown an embodiment in accordance with the present invention, and together with the description serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

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 taken at A in FIG. 1;

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 according to an embodiment of the present invention, including a fixing frame;

FIG. 5 is a perspective view of an electrical control pod including a bracket according to an embodiment of the present invention;

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

Reference numerals:

an air-conditioning indoor unit (1),

the electronic control box 10, the box body 11, the electronic control component 12, the main control panel 122, the power module 1222, the bracket 124, the abdication port 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 port 142, the first guide plate 143, the second groove 146, the second protrusion 148, the rib 149,

the heat absorption part 20, the radiating pipe 21, the pipe clamp 22, the shell 30, the water outlet 31, the reactor box 40 and the fan 50.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present 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 body 11 defines and holds the chamber, holds the intracavity and is equipped with automatically controlled subassembly 12, radiator 13 and mount 14, and radiator 13 sets up with mount 14 range upon range of and connects in order to define the installation cavity jointly, and the installation cavity is used for fixed heat absorption portion 20, and radiator 13 and mount 14 laminate with heat absorption portion 20 respectively, and mount 14 is made by metal material, and heat absorption portion 20 defines the cooling channel, and the cooling channel is used for the cooling fluid to flow through.

For unfolding, automatically controlled subassembly 12 includes main control panel 122, when automatically controlled subassembly 12 was applied to in the air conditioner, automatically controlled subassembly 12 was used for controlling the air conditioner, box body 11 was used for protecting automatically controlled subassembly 12, radiator 13 was arranged in dispelling the heat to drive module, main control panel 122, electrical components etc. in automatically controlled subassembly 12, radiator 13 carries out heat-conduction through contacting with heat absorption portion 20, gives automatically controlled subassembly 12 with the cold volume transmission of heat absorption portion 20, the radiating efficiency of automatically controlled box 10 has been promoted. Meanwhile, because the heat absorption part 20 is arranged in the installation cavity, and the radiator 13 and the fixed frame 14 are respectively abutted against the heat absorption part 20, 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 materials can directly transmit cold energy to the box body 11, and the problem that the service life of components is shortened due to overhigh temperature inside the electric control box 10 is greatly optimized.

The heat sink 13 is detachably connected to the fixing frame 14, and the heat sink 13 is connected to the fixing frame 14 by fasteners, including but not limited to screws, bolts, and pins.

In some embodiments, to improve the heat dissipation effect of the heat sink 13, the heat sink 13 includes a plurality of fins spaced along the length of the mounting cavity.

In some embodiments, the heat sink 13 is a parallel flow heat sink 13, which can save the space of the box 11 and has high heat dissipation efficiency.

The box body 11 includes an upper cover and a lower cover, the upper cover and the lower cover are usually connected by fasteners, the fasteners include but are not limited to screws, bolts and pins, a sealing strip may be disposed between the upper cover and the lower cover, and the sealing connection between the upper cover and the lower cover is realized by the sealing strip, or alternatively, a gluing process may be performed between the upper cover and the lower cover, so as to realize the sealing connection between the upper cover and the lower cover.

According to the electric control box 10 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, and then the cooling capacity is transmitted to the radiator 13 through direct contact and then transmitted to the electric control component 12 through the radiator 13, so that the heat dissipation efficiency of the electric control box 10 is improved, meanwhile, the contact between air and the heat absorption part 20 is reduced, and the generation of condensed water can be effectively reduced.

According to the electric control box 10 of the embodiment of the invention, the fixing frame 14 is made of a 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 absorption portion 20 → the fixing frame 14 → the case 11 is contacted to transfer the cooling energy, so that the fixing frame 14 made of metal, including but not limited to iron and its alloy, aluminum and its alloy, can transfer the cooling energy to the case 11, thereby cooling the entire case 11.

In addition, as shown in fig. 1 and fig. 2, in some embodiments, the electronic control component 12 is disposed on a side of the heat sink 13 away from the fixing frame 14 and is arranged side by side with the heat sink 13, the heat sink 13 conducts heat by contacting with the heat absorbing portion 20, the cold quantity of the heat absorbing portion 20 is transferred to the electronic control component 12 by contacting, the cold quantity is transferred by contacting the heat absorbing portion 20 → the heat sink 13 → the electronic control component 12, the electronic control component 12 is abutted against the heat sink 13, so as to enhance the heat exchange between the electronic control component 12 and the heat sink 13 and enhance the heat dissipation effect, and when the electronic control box 10 is applied to the indoor air conditioner 1, the electronic control component 12 and the heat sink 13 can be prevented from being damaged due to the operation vibration of the indoor 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 absorption portion 20 includes at least one heat dissipation pipe 21, and the mounting cavity is attached to the outer wall of the heat dissipation pipe 21, such that the heat dissipation pipe 21 is in sufficient contact with the heat dissipation pipe 13, the heat dissipation pipe 21 is in sufficient contact with the fixing frame 14, sufficient heat exchange between the heat dissipation pipe 13 and the heat dissipation pipe 21 can be ensured, sufficient heat exchange between the heat dissipation pipe 21 and the fixing frame 14 can be performed, heat dissipation efficiency can be improved, and meanwhile, contact between the heat dissipation pipe 21 and air can be better isolated, and generation of condensed water can be prevented.

As shown in fig. 2, the number of the radiating pipes 21 is two, one side of the radiating fins of the radiator 13 facing the radiating pipes 21 presents a wavy structure matching with the outer walls of the two radiating pipes 21, the profile of the radiating fins facing the radiating pipes 21 is generally formed by first bulges 134 and first grooves 132 which are alternately arranged, the first grooves 132 correspond to the radiating pipes 21 one by one, the radiating pipes 21 are embedded in the first grooves 132, and the first bulges 134 are arranged between two adjacent first grooves 132. Of course, the number of the heat dissipation pipes 21 may be more than two, and the radiating fins of the heat sink 13 are in a wave-shaped structure matching with the outer walls of the plurality of heat dissipation pipes 21 toward the side of the heat dissipation pipes 21.

As shown in fig. 2, the profile of the fixing frame 14 defining the mounting cavity is generally composed of second protrusions 148 and second grooves 146 which are alternately arranged, the second grooves 146 correspond to the radiating pipes 21 one by one, 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 to the first protrusions 134.

In some embodiments, the space between the mounting cavity and the heat dissipation pipe 21 is filled with a heat dissipation layer, so that the heat dissipation efficiency can be improved, and the space between the mounting cavity and the heat dissipation pipe 21 can be sealed as much as possible to exhaust air, thereby preventing the generation of condensed water in the mounting cavity.

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 unit 12, the heat sink 13 is disposed on the first mounting surface, a flange is disposed on the fixing frame 14 along a circumferential direction thereof, the flange defines a relief port 142, the relief port 142 communicates with an external environment of the electronic control unit 10, the relief port 142 is used for allowing the heat dissipation pipe 21 to extend out of the fixing frame 14, a first flow guide plate 143 is further disposed on the first mounting surface, the first flow guide plate 143 is disposed on a side of the heat dissipation pipe 21 and extends toward the relief port 142 along a direction in which the heat dissipation pipe 21 extends, so that condensed water generated outside a pipe wall of the heat dissipation pipe 21 can be collected to the relief port 142 along the first flow guide plate 143 and then flows out of the electronic control unit 10, thereby preventing the condensed water from damaging electrical components and the like in the electronic control unit 12.

As shown in fig. 4, the first diversion plate 143 includes a first sub diversion plate and a second sub diversion plate, the heat dissipation pipe 21 includes a first sub heat dissipation pipe 21 located in the installation cavity and a second sub heat dissipation pipe 21 located outside the installation cavity, the first sub diversion plate corresponds to the first sub heat dissipation pipe 21, and the first sub diversion plate is located below the first sub diversion pipe and is used for receiving and guiding the condensed water to flow to the second sub diversion plate and finally to flow to the position-giving opening 142.

In some embodiments, as shown in fig. 2 and fig. 5, the electronic control assembly 12 includes a main control board 122 and a bracket 124, the main control board 122 is disposed on a side of the bracket 124 away from the fixing frame 14, a limit boss 1248 is disposed on a side of the bracket 124 facing the fixing frame 14, the limit boss 1248 extends along one end of the installation cavity to the other end and extends toward a direction close to the allowance opening 142, and the limit boss 1248 abuts against the box body 11. Therefore, the bracket 124 and the box body 11 can be isolated from the condensed water through the matching of the limit 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 flow guiding plate 1249 is further disposed on one side of the bracket 124 facing the fixing frame 14, the second flow guiding plate 1249 is disposed on one side of the heat dissipating pipe 21 and extends toward the relief opening 142 along the extending direction of the heat dissipating pipe 21, so that the condensed water generated outside the pipe wall of the heat dissipating pipe 21 can be collected to the relief opening 142 along the second flow guiding plate 1249, and then flows out of the electronic control box 10, thereby preventing the condensed water from damaging electrical components and the like in the electronic control assembly 12.

As shown in fig. 2 and fig. 3, in some embodiments, the main control board 122 includes a power module 1222, the bracket 124 is provided with a relief opening 1244, the heat sink 13 is embedded in the relief opening 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 protruded from the main control board 122, and in order to prevent the power module 1222 on the main control board 122 from contacting the heat sink 13, the power module 1222 and the heat sink 13 are fixed by a fastener, such as a screw.

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

In some embodiments, a side of the bracket 124 facing the main control panel 122 is provided with a water blocking plate 1246, the water blocking plate 1246 is disposed along a circumferential direction of the abdicating opening 1244, a portion of the power module 1222 is embedded in the abdicating opening 1244, the power module 1222 is in sealed connection with the water blocking plate 1246, a portion of the water blocking plate 1246 located above the power module 1222 is inclined toward a direction close to the abdicating opening 1244, and an angle between the water blocking plate 1246 and a normal direction of the first mounting surface is α, and α is not less than 5 ° and not more than 15 °.

As shown in fig. 2, a portion of the water blocking plate 1246 above the power module 1222 abuts against the power module 1222 of the main control board 122, wherein the water blocking plate 1246 and the power module 1222 are hermetically connected by coating a waterproof adhesive, so as to prevent the condensed water from flowing out into the back of the main control board 122 along the gap, so that the condensed water can only be gathered toward the position-giving opening 142.

In addition, the water blocking plate 1246 is inclined towards the direction close to the receding port 1244, so that condensed water condensed on the water blocking plate 1246 can be smoothly drained away, instead of being focused on the water blocking plate 1246, and the influence on the charged components of the main control board 122 is prevented. Wherein, α may be 5 °, 8 °, 11 °, 13 °, 15 °, 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, a rib 149 is disposed along a circumference of the fixing frame 14, the rib 149 escapes from the clearance port 142, a boss is disposed on the support 124 at a position corresponding to the rib 149, and the rib 149 abuts against the boss.

The ribs 149 protrude from the first mounting surface, and are abutted against the bosses through the ribs 149 to seal, so that winged insects or condensed water are prevented from entering. During assembly, the main control panel 122 is fixed on the bracket 124, and then the bracket 124 is fixed on the box body 11 by a fastener.

As shown in fig. 1, an air conditioner internal unit 1 according to an embodiment of the present invention is used in an air conditioner, and the air conditioner further includes an air conditioner external unit, including: the electrical control box 10 described above.

According to the air conditioner internal 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, the cooling capacity is transmitted to the radiator 13 through direct contact, and then transmitted to the electric control component 12 through the radiator 13, so that the heat dissipation 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 against 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 internal unit 1 is improved.

In some embodiments, the air conditioner indoor unit 1 further includes: the cooling system further comprises a heat absorption part 20 and a cooling circulation flow path connected between the heat absorption part 20 and the heat dissipation part, the heat dissipation part is arranged in the air conditioner external unit, the heat absorption part 20 is arranged in the installation cavity of the electronic control box 10, and the heat absorption 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, when the air conditioner indoor unit 1 operates, part of refrigerant in the first heat exchanger is not separated, and the operation reliability of the air conditioner indoor unit 1 is realized without reducing 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 cooled by independent operation.

In some embodiments, the air conditioner internal unit 1 includes a first heat exchanger, the air conditioner external unit includes a compressor, one end of the heat absorption portion 20 is communicated with an inlet end of the first heat exchanger, and the other end of the heat absorption portion 20 is used for being communicated with a yielding port 142 end of the compressor.

According to the air conditioner internal unit 1 provided by the embodiment of the invention, the use of pump bodies can be reduced, the electric control box 10 can be cooled by dividing part of the refrigerant of the first heat exchanger into the electric control box 10, and the structure arrangement can be simplified.

In some embodiments, as shown in fig. 3 and 4, the heat absorbing part 20 comprises at least one heat dissipating pipe 21, the heat dissipating pipe 21 is fixed on the fixing frame 14 through a pipe clamp 22, and the pipe clamp 22 is located between the installation cavity and the relief opening 142. The pipe clamp 22 can further fix the heat dissipation pipe 21 on the fixing frame 14, so as to prevent the heat dissipation pipe 21 from being collided and worn during transportation and use.

In some embodiments, as shown in fig. 6, the air conditioner indoor unit 1 further includes a housing 30, the housing 30 defines an accommodating cavity, a fan 50, a first heat exchanger and the electronic control box 10 are disposed in the accommodating cavity, a water outlet 31 is disposed on a bottom wall of the housing 30, and the housing 30 further defines a water drainage channel, and the water drainage channel is communicated with the water outlet 31 and the water letting port 142. In this way, the condensed water generated in the electrical control box 10 can flow through the drainage channel along the water outlet 142 until flowing out of the air conditioner indoor unit 1 through the drainage 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 abuts against the electronic control box 10 and the bottom wall respectively.

So, through setting up reactor box 40 and diapire direct contact to can support automatically controlled box 10, reduce the support part of air conditioner internal unit 1, alleviate the whole weight in the air conditioner, when the assembly, can reduce the hand-held action when assembling, the assembly of being convenient for raises the efficiency. In addition, the electronic control box 10 is fixed with the shell 30 through a fastening piece and can be used as a whole framework to support parts such as the first heat exchanger and panel parts, instability caused by light weight of the indoor unit 1 of the air conditioner is avoided, and 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 internal unit 1 and the air conditioner external unit form a refrigeration loop, and the refrigeration loop comprises a compressor, a first heat exchanger, a restrictor and a second heat exchanger which are sequentially connected in series. During cooling, the refrigerant flowing into the heat absorption part 20 passes through the heat absorption part 20, the restrictor, the second heat exchanger and the compressor in sequence; or the refrigerant flowing into the heat absorbing part 20 sequentially passes through the heat absorbing part 20, the first heat exchanger, the restrictor, the second heat exchanger and the compressor, and then enters the heat absorbing part 20.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 (15)

1. An electronic control box, comprising:

the box body, the box body is injectd and is held the chamber, it is equipped with radiator and mount to hold the intracavity, the radiator with the mount is range upon range of the setting and is connected in order to injectd the installation cavity jointly, the installation cavity is used for fixed heat absorption portion, the radiator with the mount respectively with the laminating of heat absorption portion, cooling channel is injectd to the heat absorption portion, cooling channel is used for the coolant liquid to flow through.

2. The electrical control box according to claim 1, further comprising an electrical control assembly disposed on a side of the heat sink away from the fixing frame and abutting against the heat sink side by side, and/or wherein the heat absorbing portion comprises at least one heat dissipating tube.

3. The electrical control box according to claim 2, wherein the mounting bracket includes a first mounting surface and a second mounting surface opposite to each other, the first mounting surface faces a side close to the electrical control assembly, the heat sink is disposed on the first mounting surface, the mounting bracket is provided with a flange along a circumferential direction thereof, the flange defines a relief opening, the relief opening is communicated with an external environment of the electrical control box, the relief opening is used for allowing the heat dissipation pipe to extend out of the mounting bracket, the first mounting surface is further provided with a first flow deflector, and the first flow deflector is disposed on a side of the heat dissipation pipe and extends towards the relief opening along a direction in which the heat dissipation pipe extends.

4. The electronic control box according to claim 3, wherein the electronic control assembly comprises a main control board and a bracket, the main control board is arranged on one side of the bracket away from the fixing frame, a limiting boss is arranged on one side of the bracket facing the fixing frame, the limiting boss extends along one end of the mounting cavity to the other end and extends towards a direction close to the position giving opening, and the limiting boss is abutted to the box body.

5. The electrical control box according to claim 4, wherein a relief opening is formed in the bracket, the heat sink is embedded in the relief opening, and one side of the heat sink facing the main control board is attached to the main control board.

6. The electric control box according to claim 5, wherein the main control board comprises a power module, a water baffle is arranged on one side of the bracket facing the main control board, the water baffle is arranged along the circumferential direction of the relief opening, a part of the power module is embedded in the relief opening, and the power module is connected with the water baffle in a sealing manner.

7. The electrical control box of claim 6, wherein a portion of the water deflector above the power module is inclined toward a direction close to the relief opening, and an angle between the water deflector and a normal direction of the first mounting surface is α, and α is 5 ° or less and 15 °.

8. The electrical control box of claim 3, wherein a space between the mounting cavity and the heat dissipation pipe is filled with a heat dissipation layer.

9. The electrical control box according to claim 1, wherein the fixing frame is made of a metal material, and a side of the fixing frame away from the heat sink abuts against the box body.

10. The utility model provides an air conditioner internal unit for the air conditioner, the air conditioner still includes the outer machine of air conditioner, its characterized in that includes: an electrical control box according to any one of claims 1 to 9.

11. An indoor unit for an air conditioner according to claim 10, further comprising:

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 external unit, and the heat absorption part is arranged in the installation cavity of the electric control box.

12. The indoor unit as claimed in claim 10, wherein the indoor unit comprises a first heat exchanger, the outdoor unit comprises a compressor, one end of the heat absorption portion is communicated with an inlet end of the first heat exchanger, and the other end of the heat absorption portion is used for being communicated with a relief port end of the compressor.

13. An indoor unit of an air conditioner according to any one of claims 10-12, wherein the heat absorbing part comprises at least one heat radiating pipe, the heat radiating pipe is fixed on the fixing frame through a pipe clamp, and the pipe clamp is positioned between the installation cavity and the abdicating port.

14. An indoor unit of an air conditioner according to any one of claims 10 to 12, further comprising a casing, wherein the casing defines a containing cavity, a fan, the first heat exchanger and the electronic control box are arranged in the containing cavity, a water outlet is arranged on the bottom wall of the casing, and the casing further defines a water drainage channel which is communicated with the water outlet and the water yielding port.

15. The indoor unit of an air conditioner as claimed in claim 14, wherein a reactor box is further disposed in the accommodating chamber, the reactor box is disposed between the bottom wall and the electric control box, and the reactor box is abutted against the electric control box and the bottom wall respectively.

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