CN115707211A - Electric control box, assembly method of electric control box and air conditioner - Google Patents

Abstract

The invention discloses an electric control box, an assembling method of the electric control box and an air conditioner, relates to the technical field of air conditioners, and aims to solve the technical problems of low automatic assembling degree and poor production efficiency among parts of the electric control box. The electric control box comprises a shell, a mounting plate and a heat exchanger; the mounting plate and the heat exchanger are connected with the corresponding connecting holes in a threaded fit mode through first fasteners, the mounting plate and the heat exchanger are located in the shell, and the heat exchanger is located between the mounting plate and the inner bottom surface of the shell; the mounting plate with be connected through second fastener and the connecting hole screw-thread fit that corresponds between the shell. The electric control box disclosed by the invention is applied to an air conditioner and is used for controlling each electronic component in the air conditioner.

Description

Electric control box, assembly method of electric control box and air conditioner

Technical Field

The invention relates to the technical field of air conditioners, in particular to an electric control box, an assembling method of the electric control box and an air conditioner.

Background

Air conditioning refers to a device for adjusting and controlling parameters such as temperature, humidity, flow rate and the like of ambient air in a building or a structure by manual means. Air conditioners generally include an electrical control box, which generally includes a housing and various components disposed within the housing. However, the electronic control box has more internal parts and complex assembly modes, so that the degree of automatic assembly among the parts is low and the production efficiency is poor.

Disclosure of Invention

The invention mainly aims to provide an electric control box, an assembling method of the electric control box and an air conditioner, and aims to solve the technical problems of low automatic assembling degree and poor production efficiency among parts of the electric control box.

In order to achieve the above object, the present invention provides an electronic control box comprising: the heat exchanger comprises a shell, a mounting plate and a heat exchanger; the mounting plate and the heat exchanger are connected with the corresponding connecting holes in a threaded fit mode through first fasteners, the mounting plate and the heat exchanger are located in the shell, and the heat exchanger is located between the mounting plate and the inner bottom surface of the shell; the mounting plate is connected with the shell through a second fastener in threaded fit with the corresponding connecting hole.

The beneficial effects of the invention are: the mounting plate and the heat exchanger are connected in a threaded fit mode through the first fastening piece and the corresponding connecting hole, the mounting plate and the shell are connected in a threaded fit mode through the second fastening piece and the corresponding connecting hole, therefore, during actual assembly, the mounting plate and the heat exchanger are placed in the shell, the heat exchanger is located between the mounting plate and the inner bottom surface of the shell, the mounting plate and the heat exchanger are connected in a threaded fit mode, and then the mounting plate and the shell are connected in a threaded fit mode, assembly and assembly of the electric control box can be achieved.

On the basis of the technical scheme, the invention can be improved as follows.

Further, the heat exchanger comprises a heat exchanging part, and two ends of the heat exchanging part are respectively provided with at least one first connecting hole; the mounting panel includes the body, the both ends of body be equipped with respectively at least one with the second connecting hole that first connecting hole is relative, the mounting panel with the both ends of heat exchanger through first fastener with first connecting hole and second connecting hole screw-thread fit carries out threaded connection.

Like this, the first connecting hole at the heat transfer portion both ends of heat exchanger is corresponding with the second connecting hole at the body both ends of mounting panel, and first connecting hole carries out screw-thread fit through first fastener with the second connecting hole, can realize that the screw-thread fit between heat exchanger and the mounting panel is connected to can improve the assembly efficiency between heat exchanger and the mounting panel.

Furthermore, connecting pieces are arranged at two ends of the heat exchanging part, and the first connecting holes are formed in the connecting pieces.

The heat exchanger further comprises an assembling plate, the assembling plate is arranged on the heat exchanging part, and a first assembling hole is formed in the assembling plate; the position that on the mounting panel with first pilot hole corresponds is equipped with the second pilot hole, the mounting panel with the centre of heat exchanger through the screw assembly with the second pilot hole with first pilot hole screw-thread fit carries out threaded connection.

Like this, first pilot hole on the pilot plate of heat exchanger is corresponding with the second pilot hole on the mounting panel, and first pilot hole and second pilot hole carry out screw-thread fit through the screw assembly spare, can realize that further screw-thread fit between heat exchanger and the mounting panel is connected to can promote the assembly reliability between heat exchanger and the mounting panel.

Further, the shell comprises a box body and a box cover, the box body is provided with an accommodating cavity with an opening, the box cover is connected with the box body, and the box cover covers the opening; the mounting panel with the lid sets up relatively, the heat exchanger with the bottom of box body sets up relatively, the mounting panel with the bottom threaded connection of box body.

Like this, mounting panel and heat exchanger are located the holding intracavity of box body, and the heat exchanger sets up with the bottom of box body relatively, and the bottom threaded connection of mounting panel and box body, mounting panel and lid set up relatively, and the lid is established on the opening of box body and is connected with the box body, can realize the overall assembly of automatically controlled box.

Further, the electric control box is a closed electric control box. Through the airtight design of the electric control box, the safety performance of the electric control box can be ensured, and the interference or influence of electronic devices in the electric control box on other electronic components in the air conditioner is avoided.

Further, a threaded column is arranged at the bottom of the box body, and a threaded hole coaxial with the threaded column is formed in the threaded column; be provided with the third connecting hole on the mounting panel, the third connecting hole with the screw hole corresponds the setting, the mounting panel with the box body passes through the second fastener with the third connecting hole with screw hole screw-thread fit carries out threaded connection.

The threaded hole on the threaded column positioned at the bottom of the box body corresponds to the third connecting hole on the mounting plate, and the threaded hole and the third connecting hole are in threaded fit through the second fastener, so that the threaded fit connection between the bottom of the box body and the mounting plate can be realized, and the assembly efficiency between the mounting plate and the bottom of the box body can be improved.

Furthermore, the number of the threaded columns and the number of the third connecting holes are multiple, and the threaded columns are arranged at intervals on the bottom of the box body along the length direction of the electronic control box; and an avoidance space through which the threaded column can pass is formed in the heat exchanger.

The number of the third connecting holes in the threaded columns at the bottom of the box body and the mounting plate is set to be multiple, and the threaded columns are arranged at intervals along the length direction of the electric control box at the bottom of the box body, so that the connection reliability between the mounting plate and the bottom of the box body can be further improved, and the connection failure between the mounting plate and the bottom of the box body is avoided. In addition, the heat exchanger is provided with the avoiding space for the threaded column to pass through, so that the threaded column at the bottom of the box body can be ensured to pass through the avoiding space on the heat exchanger to be in threaded connection with the mounting plate, and the connection reliability between the mounting plate and the bottom of the box body is further ensured.

Further, the box body comprises a box body and an encapsulation plate; the box body comprises a bottom plate and side plates, wherein the side plates surround part of the peripheral edge of the bottom plate so as to enable the side surface of the box body to be provided with a side opening; the packaging plate is arranged at the side opening, and the packaging plate and the side plate are positioned at the same side of the bottom plate.

Like this, bottom plate and curb plate enclose to establish and form the box body that has the side opening, and the encapsulation board sets up the side opening part at the box body, can assemble and form and have an open-ended box body to establish the lid on the opening of box body, thereby the equipment forms a sealed shell.

Furthermore, a first bending part is arranged at the edge of the side plate facing the packaging plate, and a fourth connecting hole is formed in the first bending part; and the side plate and the packaging plate are connected in a threaded fit manner through a third fastener and the fourth connecting hole and the fifth connecting hole.

The first bending part is arranged at the edge of the side plate, the fourth connecting hole in the first bending part corresponds to the fifth connecting hole in the packaging plate, and the fourth connecting hole and the fifth connecting hole are in threaded fit through the third fastener, so that the first bending part at the edge of the side plate is in threaded fit connection with the packaging plate, the connection reliability between the side plate and the packaging plate is improved, and the connection reliability between the box body of the box body and the packaging plate can be further improved.

Furthermore, a second bending part is arranged on the edge of the bottom plate corresponding to the packaging plate, and a sixth connecting hole is formed in the second bending part; and the side plate and the packaging plate are connected with the sixth connecting hole and the seventh connecting hole in a threaded fit manner through a fourth fastener.

The second bending part is arranged at the edge of the bottom plate, the sixth connecting hole in the second bending part corresponds to the seventh connecting hole in the packaging plate, and the sixth connecting hole and the seventh connecting hole are in threaded fit through the fourth fastener, so that the second bending part at the edge of the bottom plate is in threaded fit with the packaging plate, the connection reliability between the bottom plate and the packaging plate is improved, and the connection reliability between the box body of the box body and the packaging plate can be further improved.

Furthermore, the heat exchanger also comprises an input pipe and an output pipe, wherein the first end of the input pipe is communicated with the inlet on the heat exchange part, and the first end of the output pipe is communicated with the outlet on the heat exchange part; the packaging plate is provided with a first avoidance part and a second avoidance part, the input pipe is arranged in the first avoidance part in a penetrating manner, and the output pipe is arranged in the second avoidance part in a penetrating manner; one end of the input pipe is positioned in the shell, and the other end of the input pipe is positioned outside the shell; one end of the output tube is positioned in the shell, and the other end of the output tube is positioned outside the shell.

Through set up input tube and output tube on the heat exchanger, the import intercommunication in input tube and the heat transfer portion, the export intercommunication in output tube and the heat transfer portion can make the heat transfer portion of heat exchanger pass through input tube and output tube and outside intercommunication, for example outside cold liquid can get into inside the heat transfer portion through the input tube, then the liquid rethread output tube that has the temperature that the cold liquid produced after carrying out the heat exchange flows out from the output tube to this realizes the heat exchange function of heat exchanger.

The invention also provides an air conditioner which comprises the electric control box in any technical scheme.

The beneficial effects of the invention are the same as those of the electric control box, and are not described herein again.

The invention also provides an assembling method of the electric control box, which comprises the following steps: providing a box body, a box cover, a mounting plate and a heat exchanger, wherein the top end of the box body is provided with an opening; fixing the mounting plate and the heat exchanger through threaded connection; placing the fixed mounting plate and the heat exchanger in the box body; fixing the mounting plate and the box body in a threaded connection mode; and covering the box cover on the box body, and connecting the box cover with the box body.

The beneficial effects of the invention are the same as those of the electric control box, and are not described herein again.

The invention also provides an assembling method of the electric control box, which comprises the following steps: providing a box body, a box cover, a mounting plate and a heat exchanger, wherein the top end of the box body is provided with an opening; installing the heat exchanger within the box body; installing the mounting plate in the box body and above the heat exchanger; fixing the mounting plate and the heat exchanger through threaded connection; fixing the mounting plate and the box body in a threaded connection mode; and covering the box cover on the box body, and connecting the box cover with the box body.

The beneficial effects of the invention are the same as those of the electric control box, and are not described herein again.

Further, the providing a cartridge includes: providing a side plate, a bottom plate and a packaging plate, wherein a first avoidance part and a second avoidance part are formed on the assembling plate; the side plates are arranged on part of the edge of the bottom plate in a surrounding manner, so that a side opening is formed on the side surface of the box body; the packaging plate is assembled at the side opening, and the packaging plate, the side plates and the bottom plate are enclosed to form an accommodating cavity with an open top end.

Further, after providing box body, lid, mounting panel and heat exchanger, still include: moving the package plate away from the side opening to open the side opening; will the heat exchanger with the assembly plate is arranged in the box body, include: and arranging the mounting plate and the heat exchanger in the box body from the opening of the box body, wherein an input pipe and an output pipe on the heat exchanger extend out from the side opening.

Further, before the lid is set on the box body, the box further comprises: and assembling the packaging plate at the side opening, connecting the packaging plate with the side plate, and respectively penetrating the input pipe and the output pipe of the heat exchanger on the first avoidance part and the second avoidance part.

Further, will the lid is established on the box body, and will the lid with the box body links to each other, includes: and covering the box cover on the top ends of the side plates and the packaging plate, and fastening and connecting the box cover with the top ends of the packaging plate and the side plates through screws.

Drawings

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of an electronic control box provided in an embodiment of the present application;

fig. 2 is an exploded schematic view of a part of the structure of an electric control box provided in the embodiment of the present application;

fig. 3 is a schematic structural diagram of a case in a half-open state in an electronic control box provided in an embodiment of the present application;

fig. 4 is an exploded schematic view of an electric control box provided in the embodiment of the present application;

fig. 5 is a schematic view of a disassembled structure of a heat dissipation member and a mounting plate in an electric control box according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of an assembled heat dissipation element and mounting plate in an electronic control box according to an embodiment of the present application;

fig. 7 is a schematic structural view of the electronic control box according to the embodiment of the present application, in which the heat sink and the mounting plate are placed in the box body after being assembled;

fig. 8 is a schematic structural diagram of an electronic control box according to an embodiment of the present application, in which a package board is mounted on a box body;

fig. 9 is a schematic structural view illustrating an assembly of a box cover and a box body in the electronic control box according to the embodiment of the present application;

fig. 10 is a schematic flow chart of an assembling method of an electronic control box according to an embodiment of the present application;

fig. 11 is another schematic flow chart of an assembling method of an electronic control box according to an embodiment of the present application.

The reference numbers indicate:

Detailed Description

In the related art, an electronic control box is generally an electronic control system for accommodating devices such as an outdoor unit of an air conditioner, and electrical components such as a circuit board, a compressor capacitor, an outdoor fan capacitor, and a terminal are mounted in the electronic control box. However, the electronic control box has many internal components, and the assembling modes between the components and the electronic control box are complex, which easily results in low automatic assembling degree between the components and the electronic control box, and poor production efficiency.

In view of this, in the embodiment of the present invention, the mounting plate and the heat exchanger are connected by using the first fastening member to be in threaded fit with the corresponding connecting hole, and the mounting plate and the housing are connected by using the second fastening member to be in threaded fit with the corresponding connecting hole, so that, during actual assembly, the mounting plate and the heat exchanger are placed in the housing, the heat exchanger is located between the mounting plate and the inner bottom surface of the housing, the mounting plate and the heat exchanger are in threaded fit connection, and then the mounting plate and the housing are in threaded fit connection, thereby realizing assembly of the electronic control box.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

Fig. 1 is a schematic perspective view of an electronic control box provided in an embodiment of the present application. Fig. 2 is an exploded schematic view of a part of the structure of an electric control box provided in the embodiment of the present application. Fig. 3 is a schematic structural diagram of an electric control box provided in the embodiment of the present application, in which an outer casing is in a half-open state. Fig. 4 is an exploded schematic view of an electronic control box provided in an embodiment of the present application. Fig. 5 is a schematic view of a disassembled structure of a heat dissipation member and a mounting plate in an electronic control box according to an embodiment of the present application. Fig. 6 is a schematic structural diagram of an assembled heat dissipation member and mounting plate in an electronic control box according to an embodiment of the present application. Fig. 7 is a schematic structural view of the electronic control box according to the embodiment of the present application, in which the heat sink and the mounting plate are placed inside the box body after being assembled. Fig. 8 is a schematic structural diagram of an electronic control box provided by an embodiment of the present application, in which a package board is assembled on a box body. Fig. 9 is a schematic structural view illustrating an assembly of a box cover and a box body in the electronic control box according to the embodiment of the present application.

As shown in fig. 1 and 2, the electronic control box 100 provided in this embodiment may include: the heat exchanger includes a housing 110, a mounting plate 120, and a heat exchanger 130, wherein the mounting plate 120 and the heat exchanger 130 can be connected by a first fastener 121 (see fig. 6) in threaded engagement with corresponding connection holes (e.g., a first connection hole 1321 and a second connection hole 122 in fig. 5).

Referring to fig. 2 and 3, the mounting plate 120 and the heat exchanger 130 are located inside the outer casing 110, and the heat exchanger 130 is located between the mounting plate 120 and the inner bottom surface of the outer casing 110, and the mounting plate 120 and the outer casing 110 can be connected by the second fastening member 125 (see fig. 7) in threaded engagement with corresponding connection holes (e.g., the third connection hole 123 and the threaded hole 1141a in fig. 6).

In this embodiment, as shown in fig. 3, the outer shell 110 may include a box cover 111 and a box body 112, the box cover 111 is connected to the box body 112, wherein, as shown in fig. 4, an accommodating cavity 115 having an opening 115a may be disposed in the box body 112, and the box cover 111 covers the opening 115a, the mounting plate 120 is disposed opposite to the box cover 111, the heat exchanger 130 is disposed opposite to the bottom of the box body 112, and the mounting plate 120 is screwed to the bottom of the box body 112.

Thus, the mounting plate 120 and the heat exchanger 130 are located in the accommodating cavity 115 of the box body 112, the heat exchanger 130 is arranged opposite to the bottom of the box body 112, the mounting plate 120 is in threaded connection with the bottom of the box body 112, the mounting plate 120 is arranged opposite to the box cover 111, and the box cover 111 is covered on the opening 115a of the box body 112 and connected with the box body 112, so that the integral assembly of the electronic control box 100 can be realized.

The electronic control box 100 of the embodiment of the present application may be, for example, a sealed electronic control box. Therefore, other foreign matters such as water drops and dust can be prevented from entering the electric control box to damage electronic elements in the electric control box, and the waterproof, dustproof and anticorrosive effects are achieved.

The heat exchanger 130 in the present application may be a microchannel heat exchanger. The microchannel heat exchanger includes at least two sets of microchannels. The at least two groups of microchannels comprise a plurality of first microchannels for a first refrigerant flow to flow and a plurality of second microchannels for a second refrigerant flow to flow, wherein the second refrigerant flow absorbs heat from the first refrigerant flow to enable the first refrigerant flow to be supercooled, or the first refrigerant flow absorbs heat from the second refrigerant flow to enable the second refrigerant flow to be supercooled.

The micro-channel heat exchanger of the embodiment of the application can also be used as an economizer of an air conditioner. Therefore, the micro-channel heat exchanger can be used for cooling electronic elements in the electric control box and can also be used as an economizer, so that the situation that an economizer is arranged outside the electric control box can be avoided, the structure of the air conditioner is simplified, the space is saved, and the cost can be saved.

In this embodiment, as shown in fig. 4, a threaded post 1141 may be disposed at the bottom of the box body 112, a threaded hole 1141a coaxial with the threaded post 1141 is disposed on the threaded post 1141, a third connection hole 123 is disposed on the mounting plate 120, the third connection hole 123 corresponds to the threaded hole 1141a, and the mounting plate 120 and the box body 112 are in threaded connection through the second fastening member 125 and the third connection hole 123 and the threaded hole 1141a in threaded fit.

The threaded hole 1141a on the threaded post 1141 at the bottom of the box body 112 corresponds to the third connection hole 123 on the mounting plate 120, and the threaded hole 1141a and the third connection hole 123 can be in threaded fit through the second fastener 125, so that the threaded fit connection between the bottom of the box body 112 and the mounting plate 120 can be realized, and the assembly efficiency between the mounting plate 120 and the bottom of the box body 112 can be improved.

In this embodiment, the number of the threaded columns 1141 and the number of the third connecting holes 123 may be multiple, and multiple threaded columns 1141 may be arranged at intervals on the bottom of the box body 112 along the length direction of the electronic control box 100. The threaded columns 1141 at the bottom of the box body 112 and the third connecting holes 123 of the mounting plate 120 are arranged in a plurality of numbers, and the threaded columns 1141 are arranged at intervals on the bottom of the box body 112 along the length direction of the electric control box 100, so that the connection reliability between the mounting plate 120 and the bottom of the box body 112 can be improved in the embodiment, and the connection failure between the mounting plate 120 and the bottom of the box body 112 is avoided.

In addition, the heat exchanger 130 may further have an escape space (not shown) through which the threaded post 1141 can pass. By providing the heat exchanger 130 with the avoiding space through which the threaded post 1141 can pass, the threaded post 1141 at the bottom of the box body 112 can be ensured to pass through the avoiding space on the heat exchanger 130 to be in threaded connection with the mounting plate 120, so that the connection reliability between the mounting plate 120 and the bottom of the box body 112 is ensured in the present embodiment.

It is understood that in this embodiment, a mounting seat 1143 (see fig. 4) may be further disposed between the threaded post 1141 and the bottom of the box body 112, specifically, the mounting seat 1143 is disposed on the inner bottom wall of the box body 112, and the threaded post 1141 is disposed on a surface of the mounting seat 1143 facing away from the mounting seat 1143. Furthermore, as an alternative embodiment, a gap may be formed between the surface of the inner bottom wall of the box 112 facing the mounting seat 1143 and the inner bottom wall of the box 112. In this way, when the threaded post 1141 passes through the heat exchanger 130 to be coupled with the mounting plate 120, the gap can prevent the heat exchanger 130 from directly contacting with the inner bottom wall of the box body 112, and thus avoid unnecessary heat transfer between the heat exchanger 130 and the box body 112.

Referring to fig. 4, in the present embodiment, the cassette body 112 may include a cassette body and a packaging plate 113, specifically, the cassette body may include a bottom plate 114 and side plates, the side plates may be provided around a part of the peripheral edge of the bottom plate 114, so that the side surfaces of the cassette body can have side openings 115a, and in addition, the packaging plate 113 may be provided at the side openings 115a, and further, the packaging plate 113 and the side plates are located at the same side of the bottom plate 114.

Thus, the bottom plate 114 and the side plates are surrounded to form a box body with a side opening 115a, the packing plate 113 is arranged at the side opening 115a of the box body, and the box body 112 with an opening 115a can be assembled to form the box body 112, so that the box cover 111 is covered on the opening 115a of the box body 112, thereby assembling to form the sealed shell 110.

Specifically, with continued reference to fig. 4, the side panels may include a right side panel 112a, a left side panel 112b, and a back side panel 112c, wherein the right side panel 112a and the left side panel 112b are disposed opposite each other, the back side panel 112c and the package panel 113 are disposed opposite each other, and the right side panel 112a, the left side panel 112b, the back side panel 112c, and the package panel 113 collectively enclose to form the side panels.

In addition, as shown in fig. 4, in the present embodiment, a first bending portion 1121 may be disposed at a position of the side plate (the right side plate 112a or the left side plate b) facing the edge of the package plate 113, a fourth connecting hole 1122 may be disposed on the first bending portion 1121, a fifth connecting hole 1133 may be disposed on the package plate 113, and the side plate and the package plate 113 are threadedly engaged with the fourth connecting hole 1122 and the fifth connecting hole 1133 through a third fastener 1123 (see fig. 8) to achieve connection therebetween.

The first bending portion 1121 is arranged at the edge of the side plate, moreover, the fourth connecting hole 1122 on the first bending portion 1121 corresponds to the fifth connecting hole 1133 on the packaging plate 113, and the fourth connecting hole 1122 and the fifth connecting hole 1133 are in threaded fit through the third fastener 1123, so that the threaded fit connection between the first bending portion 1121 at the edge of the side plate and the packaging plate 113 is realized, the connection reliability between the side plate and the packaging plate 113 is improved, and the connection reliability between the box body of the box body 112 and the packaging plate 113 can be improved in the embodiment.

In a possible implementation manner, as shown in fig. 4, a second bending portion 1142 may be further disposed at a position of the bottom plate 114 corresponding to an edge of the packaging plate 113, in addition, a sixth connecting hole 1144 may be further disposed on the second bending portion 1142, a seventh connecting hole 1134 may be further disposed on the packaging plate 113, and the side plate and the packaging plate 113 may be in threaded fit with the sixth connecting hole 1144 and the seventh connecting hole 1134 through a fourth fastening member 1145 (see fig. 8), so as to implement connection therebetween.

The second bending portion 1142 is disposed at the edge of the bottom plate 114, and the sixth connection hole 1144 of the second bending portion 1142 corresponds to the seventh connection hole 1134 of the package plate 113, and the sixth connection hole 1144 and the seventh connection hole 1134 are in threaded fit through the fourth fastening member 1145, so that the threaded fit connection between the second bending portion 1142 at the edge of the bottom plate 114 and the package plate 113 is realized, and the connection reliability between the bottom plate 114 and the package plate 113 is improved, thereby improving the connection reliability between the box body of the box body 112 and the package plate 113 in this embodiment.

In addition, as shown in fig. 5, in the present embodiment, the heat exchanger 130 may include a heat exchanging part 131, wherein both ends of the heat exchanging part 131 may be respectively provided with at least one first connection hole 1321, the mounting plate 120 may include a body, both ends of the body may be respectively provided with at least one second connection hole 122 opposite to the first connection hole 1321, and both ends of the mounting plate 120 and the heat exchanger 130 may be in threaded engagement with the first connection hole 1321 and the second connection hole 122 by the first fastening member 121 to achieve threaded connection therebetween.

Like this, the first connecting hole 1321 at the heat exchange portion 131 both ends of the heat exchanger 130 corresponds with the second connecting hole 122 at the body both ends of the mounting plate 120, and the first connecting hole 1321 and the second connecting hole 122 are in screw-thread fit through the first fastener 121, so that the screw-thread fit between the heat exchanger 130 and the mounting plate 120 can be realized, and the assembling efficiency between the heat exchanger 130 and the mounting plate 120 can be improved.

As an alternative embodiment, the heat exchanging part 131 may further have connecting pieces 132 at both ends thereof, and the connecting pieces 132 are provided with first connecting holes 1321.

As shown in fig. 5, the heat exchanger 130 may further include a mounting plate 133, the mounting plate 133 is disposed on the heat exchanging portion 131, a first mounting hole may be formed in the mounting plate 133, a second mounting hole may be formed in the mounting plate 120 at a position corresponding to the first mounting hole, and the middle of the mounting plate 120 and the heat exchanger 130 may be threadedly engaged with the second mounting hole and the first mounting hole through a threaded mounting member 124 to achieve a threaded connection therebetween.

Like this, first pilot hole on the pilot plate 133 of heat exchanger 130 is corresponding with the second pilot hole on mounting panel 120, and first pilot hole and second pilot hole carry out screw-thread fit through threaded assembly 124, can realize the screw-thread fit connection in this embodiment between heat exchanger 130 and the mounting panel 120 to can promote the assembly reliability between heat exchanger 130 and the mounting panel 120.

Referring to fig. 5, in the present embodiment, the heat exchanger 130 may further include an input pipe 134 and an output pipe 135, wherein a first end of the input pipe 134 may communicate with an inlet on the heat exchanging part 131, and a first end of the output pipe 135 may communicate with an outlet on the heat exchanging part 131.

By arranging the input pipe 134 and the output pipe 135 on the heat exchange element, the input pipe 134 is communicated with an inlet on the heat exchange part 131, and the output pipe 135 is communicated with an outlet on the heat exchange part 131, so that the heat exchange part 131 of the heat exchanger 130 is communicated with the outside through the input pipe 134 and the output pipe 135, for example, external cold liquid can enter the heat exchange part 131 through the input pipe 134, and then liquid with temperature generated after the cold liquid is subjected to heat exchange flows out of the output pipe 135 through the output pipe 135, thereby realizing the heat exchange function of the heat exchange element.

In addition, the packaging board 113 may be provided with a first avoiding portion 1131 and a second avoiding portion 1132, wherein the input tube 134 may be inserted into the first avoiding portion 1131, the output tube 135 may be inserted into the second avoiding portion 1132, furthermore, one end of the input tube 134 may be located inside the housing 110, the other end of the input tube 134 may be located outside the housing 110, one end of the output tube 135 may be located inside the housing 110, and the other end of the output tube 135 may be located outside the housing 110.

Referring to fig. 8, the number of the input pipes 134 on the left side may be two, and the number of the output pipes 135 on the right side may also be two, it can be understood that, in one possible implementation manner, one of the two input pipes 134 on the left side in fig. 8 may be used as an input pipe, the other may be used as an output pipe, and correspondingly, one of the two output pipes 135 on the right side in fig. 8 may also be used as an input pipe, and the other may be used as an output pipe, so that two heat dissipation channels with opposite flow directions may be formed on the heat exchanger, and effective heat exchange by the heat exchanger is ensured. In this application, the arrangement positions and the vertical number of the input pipes 134 and 135 are not limited.

In addition, it should be noted that, in the actual use process, the assembly schematic diagram when the box cover 111 is connected with the box body 112 is shown in fig. 9, and the box cover 111 may be arranged above the box body 112.

In addition, it is understood that the cover 111 and the body 112 may be detachably connected. For example, the cover 111 and the body 112 may be connected by a screw, a pin or a snap, wherein the embodiment is not limited to the specific structure of the detachable connection.

Of course, in some other embodiments, further, the box cover 111 and the box body 112 may be connected together in a non-detachable manner, for example, the connecting ends of the box cover 111 and the box body 112 are made of metal, and at this time, the box cover 111 and the box body 112 may be connected together by welding.

In addition, an embodiment of the present invention further provides an air conditioner, which may include the electronic control box 100 described in the above embodiment. The specific structure and the related effects of the electronic control box 100 can be referred to the above embodiments.

For convenience of description, the following embodiments are all described with reference to a central air conditioner.

The air conditioner can include air conditioner indoor set and air conditioner outer machine, for example, central air conditioning can include air conditioner indoor set and air conditioner outdoor machine, air conditioner indoor set and air conditioner outer machine can be through supplying the pipeline intercommunication that heat transfer medium flows, wherein, the air conditioner indoor set is installed indoor usually, the air conditioner outer machine is installed outdoor usually, air conditioner indoor set and air conditioner outer machine form low temperature heat transfer medium with the higher heat transfer medium cooling of temperature through the air conditioner outer machine, low temperature heat transfer medium gets into the air conditioner indoor set through the pipeline and carries out the heat transfer with the room air, reduce the temperature of room air, heat transfer medium after the heat transfer returns the air conditioner outer machine again, so circulate in order to reach the purpose of cooling.

In this embodiment, the number of the air conditioner external units is usually one, and the number of the air conditioner internal units may be plural. When the number of the air conditioner internal units is multiple, the air conditioner external units can be connected with all the air conditioner internal units through pipelines, and one or more air outlets are arranged on each air conditioner internal unit, so that air after refrigeration, heating, dehumidification or purification can be conveniently discharged into a room through the air outlets.

The central air conditioning is at the refrigeration in-process, the heat exchanger of air conditioner indoor unit is the evaporimeter, refrigerant in the evaporimeter becomes the gaseous state from liquid heat absorption, at the endothermic in-process of refrigerant evaporation, the evaporimeter carries out the heat exchange with the air that flows through the evaporimeter, take away the heat in the air among the air conditioner indoor unit, and then make the air of discharging air conditioner indoor unit for the air after the heat release cooling, air conditioner indoor unit blows cold wind, and simultaneously, the heat exchanger of the outer machine of air conditioner is the condenser, refrigerant in the condenser becomes the liquid from the gaseous state, at the exothermic in-process of refrigerant condensation, the condenser carries out the heat exchange with the air in the outer machine of air conditioner that flows through the condenser, make the air in the outer machine of air conditioner bring the heat of condenser to the outside of the outer machine of air conditioner, thus, realize the refrigeration process.

The air conditioner is at the heating in-process, outdoor heat exchanger is the evaporimeter, refrigerant in the evaporimeter becomes the gaseous state from liquid heat absorption, at the endothermic in-process of refrigerant evaporation, the evaporimeter carries out the heat exchange with the air that flows through the evaporimeter, replace the refrigerant in the evaporimeter with the heat that carries in the air in the outer machine of air conditioner, and simultaneously, indoor heat exchanger is the condenser, refrigerant in the condenser becomes liquid from the gaseous state, in the exothermal in-process of refrigerant condensation, the condenser carries out the heat exchange with the air in the air conditioner inner machine that flows through the condenser, make the air in the air conditioner inner machine with the heat that the condenser carried, and discharge indoor outside the air conditioner inner machine from the air conditioner, make the air conditioner inner machine blow hot air, therefore, realize the heating process.

The air conditioner outdoor unit in the embodiment of the invention can comprise the electric control box and the casing, wherein the electric control box is arranged in the casing and is used for the working state of the air conditioner outdoor unit. The electronic control box is fixed in the casing in various ways, for example, the electronic control box is fixed in the casing through a screw, for example, the electronic control box is fixed in the casing through a buckle, and for example, the electronic control box is hung in the casing through a hook.

Since the air conditioner adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and details are not repeated herein.

Fig. 10 is a schematic flow chart of an assembling method of an electronic control box according to an embodiment of the present application.

On the basis of the above embodiments, as shown in fig. 10, the embodiment of the present invention further provides an assembling method of the electrical control box 100. In this embodiment, the assembling method of the electronic control box 100 may include the following steps:

s101, providing a box body 112, a box cover 111, a mounting plate 120 and a heat exchanger 130, wherein the top end of the box body 112 is provided with an opening 115a.

Referring to fig. 1, a case 110 composed of a case cover 111 and a case body 112 is provided, after the case 110 is assembled, the case 110 may be a closed case, for example, the inside and the outside of the case 110 are isolated, and liquid and dust cannot enter the inside of the case 110, so that the electronic control box 100 may achieve waterproof and dustproof performances, so that the electronic control box 100 may work normally even in a severe outdoor environment, the reliability of the electronic control box 100 is improved, and the service life of the electronic control box 100 is prolonged.

Referring to fig. 2, the top end of the box body 112 provided in the embodiment of the present disclosure has an opening 115a, for example, the top end of the box body 112 is open, and the box cover 111 is disposed on the opening 115a at the top end of the box body 112, where the box body 112 may be a square box body 112, a round box body 112, or other shapes, and in the embodiment of the present disclosure, the shape of the box body 112 includes but is not limited to a square, a round, or an oval shape. In the embodiment of the present application, the box body 112 may be specifically described by taking a square box as an example.

It will be appreciated that the body 112 and lid 111 may be releasably connected, and that prior to assembly, as shown in figure 3, the lid 111 is detached from the body 112 so that the top opening 115a of the body 112 is open.

Referring to fig. 2, a mounting plate 120 is further provided, where the mounting plate 120 is specifically an electrical appliance mounting plate, and electrical devices such as a wire holder, a reactor, a filter, and the like may be disposed on the electrical appliance mounting plate, where in order to dissipate heat of electronic components in the electrical control box 100, a heat exchanger 130 is further provided, the heat exchanger 130 may be a heat exchange tube, one end of the heat exchange tube is a cold medium input tube, and the other end of the heat exchange tube is a cold medium output tube, and the heat dissipation effect is achieved through the cold medium.

And S102, fixing the mounting plate 120 and the heat exchanger 130 in a threaded connection mode.

Referring to fig. 5, the mounting plate 120 and the heat exchanger 130 may be two independent components, and in actual assembly, referring to fig. 6, the mounting plate 120 and the heat exchanger 130 are fixed, for example, the mounting plate 120 and the heat exchanger 130 may be connected by a screw connection, for example, a connecting member 132 may be provided at both ends of the heat exchanger 130, a first connecting hole 1321 may be provided on the connecting member 132, in addition, a second connecting hole 122 may be provided at a position corresponding to the first connecting hole 1321 on the mounting plate 120, and the first fastening member 121 may pass through the second connecting hole 122 and be screwed into the first connecting hole 1321, so that the mounting plate 120 and the heat exchanger 130 may be fixed as an integral structure under the screw-coupling of the first fastening member 121 with the first connecting hole 1321 and the second connecting hole 122.

In order to fix the middle positions of the mounting plate 120 and the heat exchanger 130, a mounting plate 133 may be further disposed on the heat exchanger 130, wherein a first mounting hole may be disposed on the mounting plate 133, and in addition, a second mounting hole may be disposed on the mounting plate 120, so that when the first mounting hole is opposite to the second mounting hole, the mounting plate 120 is in threaded fit with the second mounting hole and the first mounting hole through the threaded mounting part 124, and the middle positions of the mounting plate 120 and the heat exchanger 130 are fixed, so that the two end portions and the middle positions of the mounting plate 120 and the heat exchanger 130 are both fixed, and thus a more reliable connection between the heat exchanger 130 and the mounting plate 120 is achieved, and thus, the situation that the positions of components in the electronic control box 100 are shifted or damaged due to collision in the transportation process due to looseness between the heat exchanger 130 and the mounting plate 120 can be avoided.

S103, placing the fixed mounting plate 120 and the heat exchanger 130 in the box body 112.

Referring to fig. 7, the integrated structure of the fixed heat exchanger 130 and the mounting plate 120 is placed in the box body 112 from the top opening 115a of the box body 112.

It can be understood that, since the input pipe 134 and the output pipe 135 are provided at both ends of the heat exchanger 130, when the fixed heat exchanger 130 and the mounting plate 120 are mounted downward from the top opening 115a of the box body 112, the input pipe 134 and the output pipe 135 will be blocked from being assembled, so that, in the embodiment of the present application, as shown in fig. 4, one side of the box body 112 has the side opening 115a, so that the side opening 115a can avoid the assembly of the input pipe 134 and the output pipe 135.

In step S101, when providing the cartridge 112, the method may include:

step a, providing side plates (which can be a right side plate 112a, a left side plate 112b and a rear side plate 112 c), a bottom plate 114 and a packaging plate 113, wherein a first avoiding portion 1131 and a second avoiding portion 1132 are formed on the assembling plate 133;

and b, enclosing the side plates on part of the edge of the bottom plate 114 to form a side opening 115a on the side surface of the box body 112.

And step c, assembling the packaging plate 113 at the side opening 115a, and enclosing the packaging plate 113, the side plates and the bottom plate 114 into an accommodating cavity 115 with an open top end.

Thus, the cassette 112 may be provided with a side opening 115a, it being understood that prior to assembly, the package plate 113 may be moved away from the side opening 115a to leave the side opening 115a open.

In this way, when step S103 is executed, the fixed mounting plate 120 and the heat exchanger 130 are placed in the box body 112 from the opening 115a of the box body 112, and the input pipe 134 of the heat exchanger 130 and the output pipe 135 of the heat exchanger 130 are evacuated by the opening 115a, and as shown in fig. 7, the input pipe 134 of the heat exchanger 130 and the output pipe 135 of the heat exchanger 130 protrude outward from the opening 115a.

And S104, fixing the mounting plate 120 and the box body 112 in a threaded connection mode.

Referring to fig. 7, after the integrated structure of the mounting plate 120 and the heat exchanger 130 is placed in the box body 112, in order to fix the integrated structure with the box body 112, the second fastening member 125 is used to cooperate with a threaded hole (see fig. 4) on the bottom plate 114 of the box body 112 to fix the mounting plate 120, the heat sink and the box body 112, so that the integrated structure of the mounting plate 120 and the heat sink is fixed in position in the box body 112, and during transportation or use, the integrated structure of the mounting plate 120 and the heat sink is not prone to shift in position in the box body 112, which may cause poor circuit contact.

And S105, covering the box cover 111 on the box body 112, and connecting the box cover 111 with the box body 112.

It can be understood that, in the step S103, the packaging plate 113 is assembled after being removed from the side opening 115a, so in the embodiment of the present application, before the box cover 111 is covered on the box body 112, as shown in fig. 8, the method further includes: the packing plate 113 is disposed at the position of the side opening 115a, and the packing plate 113 is connected to the side plate, and the input tube 134 of the heat exchanger 130 and the output tube 135 of the heat exchanger 130 may be respectively inserted through the first bypass portion 1131 and the second bypass portion 1132.

Referring to fig. 9, the box cover 111 may be covered on the top ends of the side plates and the package plate 113, and the box cover 111 and the top ends of the package plate 113 and the side plates are fastened and connected by screws. This completes the assembly of the electrical control box 100.

It should be noted that, in the embodiment of the present application, the box cover 111 and the package plate 113 are independent structures, and in a possible implementation manner, the box cover 111 and the package plate 113 may be taken as an integral structure, and for example, the box cover 111 and the package plate 113 are integrally formed, so that after step S104, the integral structure formed by the box cover 111 and the package plate 113 may be mounted on the box body 112 at one time, which reduces a one-time assembly process.

Alternatively, in another possible implementation, three side plates (a left side plate 112b, a right side plate 112a and a rear side plate 112 c) of the box body 112 may be formed as an integral structure with the box cover 111, such that the box cover 111 and the box body 112 form the housing 110 with one side opening 115a, and the packaging plate 113 is detachably connected at the side opening 115a, such that step S103 is performed, the fixed mounting plate 120 and the heat exchanger 130 may be horizontally assembled into the housing 110 from the side opening 115a, and finally, the packaging plate 113 is assembled at the side opening 115a, thereby completing the assembly of the electronic control box 100. Note that, after the heat exchange is assembled from the side opening 115a by fixing the mounting plate 120 to the integral structure, the mounting plate 120 and the box 112 may not be fixed in the vertical direction because the top end of the casing 110 has no opening 115a, but the mounting plate 120 and the heat exchanger 130 may be fixed in the horizontal direction to the package plate 113 or the side plate, respectively.

In fig. 8, when the input pipe 134 and the output pipe 135 of the heat exchanger 130 are inserted into the first escape portion 1131 and the second escape portion 1132, in order to ensure the sealing performance of the electronic control box 100, the input pipe 134 and the output pipe 135 are respectively provided between the first escape portion 1131 and the second escape portion 1132 in a sealing manner, and exemplarily, a sealing member (for example, a sealant) is provided between the input pipe 134 and the output pipe 135 and the first escape portion 1131 and the second escape portion 1132 respectively.

The assembly method of the electronic control box 100 provided by the embodiment of the application, through fixing the mounting plate 120 and the heat exchanger 130 mutually, specifically, the mounting plate 120 and the heat exchanger 130 are fixed in a threaded connection mode, when the assembly is carried out in this way, the corresponding position of the connecting hole between the mounting plate 120 and the heat exchanger 130 is fixed, thereby realizing automatic assembly between the mounting plate 120 and the heat exchanger 130, and improving the assembly efficiency of the mounting plate 120 and the heat exchanger 130, in addition, the mounting plate 120 and the box body 112 are fixed mutually, specifically, the mounting plate 120 and the box body 112 are fixed in a threaded connection mode, because the corresponding position of the threaded hole and the threaded hole between the mounting plate 120 and the box body 112 are fixed, thereby realizing automatic assembly, finally realizing automatic assembly of the electronic control box 100, and improving the assembly efficiency of the electronic control box 100.

Fig. 11 is a schematic flow chart of an assembling method of the electronic control box 100 according to an embodiment of the present application. On the basis of the above embodiments, as shown in fig. 11, the embodiment of the present invention further provides an assembling method of the electronic control box 100. In this embodiment, the assembling method of the electronic control box 100 may include the following steps:

s201, providing a box body 112, a box cover 111, a mounting plate 120 and a heat exchanger 130, wherein the top end of the box body 112 is provided with an opening 115a.

For this step, reference may be made to step S101 in the foregoing embodiment, which is not described in detail in this embodiment.

S202, the heat exchanger 130 is installed in the box body 112.

It is understood that the difference from the above step S102 is: in S202, the heat exchanger 130 is first installed in the box 112. The heat exchanger 130 can be placed in the box body 112 from the top opening 115a of the box body 112, wherein during assembly, it can be understood that the input pipe 134 and the output pipe 135 are arranged at two ends of the heat exchanger 130, so when the fixed heat exchanger 130 and the mounting plate 120 are installed downwards from the top opening 115a of the box body 112, the input pipe 134 and the output pipe 135 can be blocked and assembled, so in the embodiment of the present application, as shown in fig. 4, one side of the box body 112 has the side opening 115a, so that the side opening 115a can perform an avoiding effect on the assembly of the input pipe 134 and the output pipe 135.

In step S101, when providing the cartridge 112, the method may include:

step a, providing a side plate, a bottom plate 114 and a packaging plate 113, wherein a first avoiding part 1131 and a second avoiding part 1132 are formed on the assembling plate 133;

and b, enclosing the side plates on part of the edge of the bottom plate 114 to form a side opening 115a on the side surface of the box body 112.

And step c, assembling the packaging plate 113 at the side opening 115a, wherein the packaging plate 113, the side plates and the bottom plate 114 enclose an accommodating cavity with an open top end.

Thus, a cassette 112 may be provided having a side opening 115a, it being understood that prior to assembly, the package plate 113 is moved away from the position of the side opening 115a, leaving the side opening 115a open.

Thus, in step S102, the heat exchanger 130 can be placed downward from the top opening 115a and the side opening 115a of the box 112 to be placed in the box 112, and the side opening 115a can avoid the input pipe 134 and the output pipe 135, so that the input pipe 134 and the output pipe 135 on the heat exchanger 130 can be extended outward from the side opening 115a (see fig. 7).

And S203, mounting the mounting plate 120 in the box body 112 and above the heat exchanger 130.

It will be appreciated that mounting plate 120 is inserted into enclosure 112 from top opening 115a of enclosure 112. Since heat exchanger 130 is first assembled into enclosure 112, mounting plate 120 is positioned on heat exchanger 130 after mounting plate 120 is placed in enclosure 112.

And S204, fixing the mounting plate 120 and the heat exchanger 130 in a threaded connection mode.

In step S102, the heat exchanger 130 and the mounting plate 120 are fixed before being placed in the box body 112, and in step S204, the mounting plate 120 and the heat exchanger 130 placed in the box body 112 are fixed, where the fixing manner of the mounting plate 120 and the heat exchanger 130 may be fixed in the manner in step S102, which is not described in detail in this embodiment.

Wherein, the mounting plate 120 and the heat exchanger 130 are fixed by threaded connection, so that automatic assembly can be realized, and the assembly efficiency is improved.

And S205, fixing the mounting plate 120 and the box body 112 in a threaded connection mode.

In step S205, reference may be made to step S104 for a specific fixing manner between the mounting plate 120 and the box 112, so that the mounting plate 120, the heat exchanger 130 and the box 112 are fixed, and the mounting plate 120 and the heat exchanger 130 are assembled. When the mounting plate 120 and the box body 112 are fixed through the thread fit connection, automatic assembly can be achieved, and assembly efficiency is improved.

S206, the box cover 111 is covered on the box body 112, and the box cover 111 is connected with the box body 112.

In step S206, the box cover 111 is covered on the box body 112, and the box cover 111 is connected to the box body 112, which can refer to step S105.

It should be noted that, in this embodiment, the step S204 and the step S205 may be executed first, and then the step S204 is executed, or in an implementation manner, the step S204 and the step S205 may also be executed simultaneously, so that the assembly efficiency is higher.

It is understood that in the embodiment of the present invention, the heat exchanger 130 may be horizontally assembled into the box body 112 from the side opening 115a, for example, the heat exchanger 130 may be horizontally assembled into the box body 112 from the side opening 115a, the mounting plate 120 may be horizontally assembled into the box body 112 from the side opening 115a, and finally the packaging plate 113 may be assembled at the side opening 115a, and the box cover 111 may be assembled onto the box body 112.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like 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, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (19)

1. An electronic control box is characterized by comprising a shell, a mounting plate and a heat exchanger;

the mounting plate and the heat exchanger are connected with the corresponding connecting holes in a threaded fit mode through first fasteners, the mounting plate and the heat exchanger are located in the shell, and the heat exchanger is located between the mounting plate and the inner bottom surface of the shell;

the mounting plate with be connected through second fastener and the connecting hole screw-thread fit that corresponds between the shell.

2. The electronic control box according to claim 1, wherein the heat exchanger comprises a heat exchanging portion, and both ends of the heat exchanging portion are respectively provided with at least one first connection hole;

the mounting panel includes the body, the both ends of body be equipped with respectively at least one with the second connecting hole that first connecting hole is relative, the mounting panel with the both ends of heat exchanger through first fastener with first connecting hole and second connecting hole screw-thread fit carries out threaded connection.

3. The electrical control box according to claim 2, wherein the heat exchanging portion has connecting members at both ends thereof, and the connecting members are provided with the first connecting holes.

4. The electronic control box according to claim 3, wherein the heat exchanger further comprises a mounting plate, the mounting plate is arranged on the heat exchanging portion, and a first mounting hole is formed in the mounting plate;

the position that on the mounting panel with first pilot hole corresponds is equipped with the second pilot hole, the mounting panel with the centre of heat exchanger through the screw assembly with the second pilot hole with first pilot hole screw-thread fit carries out threaded connection.

5. An electric control box according to any one of claims 1 to 4, wherein the outer casing comprises a box body provided with a receiving chamber having an opening and a box cover connected to the box body and covering the opening;

the mounting panel with the lid sets up relatively, the heat exchanger with the bottom of box body sets up relatively, the mounting panel with the bottom threaded connection of box body.

6. An electrical control box according to claim 5, wherein the electrical control box is a closed electrical control box.

7. The electronic control box according to claim 5, wherein a threaded column is arranged at the bottom of the box body, and a threaded hole coaxial with the threaded column is arranged on the threaded column;

be provided with the third connecting hole on the mounting panel, the third connecting hole with the screw hole corresponds the setting, the mounting panel with the box body passes through the second fastener with the third connecting hole with screw hole screw-thread fit carries out threaded connection.

8. The electronic control box according to claim 7, wherein the number of the threaded columns and the number of the third connecting holes are multiple, and the plurality of threaded columns are arranged at intervals on the bottom of the box body along the length direction of the electronic control box;

and an avoidance space through which the threaded column can pass is formed in the heat exchanger.

9. An electrical control box according to claim 5, wherein the box body comprises a box body and an enclosure plate;

the box body comprises a bottom plate and side plates, and the side plates are arranged around part of the peripheral edge of the bottom plate so that the side surfaces of the box body are provided with side openings;

the packaging plate is arranged at the side opening, and the packaging plate and the side plate are positioned at the same side of the bottom plate.

10. The electrical control box according to claim 9, wherein the side panel is provided with a first bent portion at an edge thereof facing the package plate, the first bent portion being provided with a fourth connecting hole;

and the side plate and the packaging plate are connected in a threaded fit manner through a third fastener and the fourth connecting hole and the fifth connecting hole.

11. The electrical control box according to claim 9, wherein the bottom plate is provided with a second bending portion corresponding to an edge of the packaging plate, and the second bending portion is provided with a sixth connecting hole;

and the side plate and the packaging plate are connected with the sixth connecting hole and the seventh connecting hole in a threaded fit manner through a fourth fastener.

12. The electrical control box according to claim 9, wherein the heat exchanger further comprises an input tube and an output tube, a first end of the input tube being in communication with an inlet on the heat exchange portion, and a first end of the output tube being in communication with an outlet on the heat exchange portion;

the packaging plate is provided with a first avoidance part and a second avoidance part, the input pipe is arranged in the first avoidance part in a penetrating manner, and the output pipe is arranged in the second avoidance part in a penetrating manner;

the first end of the input pipe is positioned in the shell, and the second end of the input pipe is positioned outside the shell; the first end of the output tube is located in the shell, and the second end of the output tube is located outside the shell.

13. An air conditioner characterized by comprising an electric control box according to any one of claims 1 to 12.

14. An assembling method of an electric control box is characterized by comprising the following steps:

providing a box body, a box cover, a mounting plate and a heat exchanger;

fixing the mounting plate and the heat exchanger through threaded connection;

placing the fixed mounting plate and the heat exchanger in the box body;

fixing the mounting plate and the box body in a threaded connection mode;

and covering the box cover on the box body, and connecting the box cover with the box body.

15. An assembling method of an electric control box is characterized by comprising the following steps:

providing a box body, a box cover, a mounting plate and a heat exchanger, wherein the top end of the box body is provided with an opening;

the heat exchanger is arranged in the box body, and the top end of the box body is provided with an opening;

mounting the mounting plate within the box body and above the heat exchanger;

fixing the mounting plate and the heat exchanger through threaded connection;

fixing the mounting plate and the box body in a threaded connection mode;

and covering the box cover on the box body, and connecting the box cover with the box body.

16. The method of assembling an electronic control box according to claim 14 or 15, wherein the providing a box body comprises:

providing a side plate, a bottom plate and a packaging plate, wherein a first avoidance part and a second avoidance part are formed on the assembling plate;

the side plates are arranged on part of the edge of the bottom plate in a surrounding manner, so that a side opening is formed on the side surface of the box body;

the packaging plate is assembled at the side opening, and the packaging plate, the side plates and the bottom plate are enclosed to form an accommodating cavity with an open top end.

17. The assembling method of an electric control box according to claim 16, further comprising, after providing the box body, the box cover, the mounting plate and the heat exchanger:

moving the package plate away from the side opening to open the side opening;

will the heat exchanger with the assembly plate is arranged in the box body, include:

and arranging the mounting plate and the heat exchanger in the box body from the opening of the box body, wherein an input pipe and an output pipe on the heat exchanger extend out from the side opening.

18. An assembling method of an electric control box according to claim 17, wherein before said covering said box cover on said box body, further comprising:

and assembling the packaging plate at the side opening, connecting the packaging plate with the side plate, and respectively penetrating the input pipe and the output pipe of the heat exchanger on the first avoidance part and the second avoidance part.

19. An assembling method of an electric control box according to claim 18, wherein said covering said box cover on said box body and connecting said box cover with said box body comprises:

and covering the box cover on the top ends of the side plates and the packaging plate, and fastening and connecting the box cover with the top ends of the packaging plate and the side plates through screws.

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