CN210781760U

CN210781760U - Air conditioner electric control box and air conditioner

Info

Publication number: CN210781760U
Application number: CN201920819133.XU
Authority: CN
Inventors: 方志恒; 范慧; 李文豪
Original assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Current assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-06-16
Anticipated expiration: 2029-05-31

Abstract

The utility model provides an automatically controlled box of air conditioner and air conditioner, the automatically controlled box of air conditioner includes lid, automatically controlled layer board and box body, box body and lid form confined space and are used for the automatically controlled layer board of holding, the automatically controlled box of air conditioner still includes the expansion piece, the expansion piece is connected with box body detachable. The detachable capacity expansion piece is arranged in the air conditioner electric control box, so that the box body capacity of the electric control box can be effectively expanded; moreover, the quick assembly can be realized, and the use convenience is improved; and simultaneously, the utility model the automatically controlled box of air conditioner the dismouting convenient, the assembly is closely spent.

Description

Air conditioner electric control box and air conditioner

Technical Field

The utility model relates to an air conditioner technical field particularly, relates to an automatically controlled box of air conditioner and air conditioner.

Background

An air conditioner is a common household appliance, and the temperature and the humidity in a local space are kept at a certain level by adjusting the air state, so that a more comfortable living environment is provided for people. The air conditioner mainly comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger, a throttling element, a controller, a pipeline system, a fan system, a control box and the like, wherein the electric control box is a control core of the indoor unit, and the running stability of the air conditioner is closely related to the running state of the air conditioner. Most of electric control boxes in the existing cabinet air conditioner are arranged at the lower part of the air conditioner and are positioned below an evaporator and a cross-flow fan blade, and potential safety hazards are easily caused to the electric control boxes by generated condensed water.

Therefore, the applicant carries out corresponding patent application while studying a cabinet air conditioner in the early stage and discloses the cabinet air conditioner which comprises a shell, a support arranged in the shell, an evaporator arranged at the upper end of the support and a cross-flow fan blade arranged on one side of the evaporator, wherein an electric control box is further arranged at the top of the air conditioner and is positioned at the upper ends of the evaporator and the cross-flow fan blade, so that condensed water generated by the evaporator during working cannot leak to the electric control box, and a circuit board in the electric control box cannot generate faults or cause potential safety hazards due to water immersion.

However, as the applicant further studies, it is found that the shape and capacity of the electronic control box are relatively fixed because the structure of the electronic control box is not improved, and the requirements of circuit boards in different shapes are difficult to meet, so that the application range of the electronic control box is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be that the capacity of automatically controlled box is fixed among the prior art, can not satisfy the holding demand of different shape circuit boards.

In order to solve the problem, the utility model provides an automatically controlled box of air conditioner, including lid, automatically controlled layer board and box body, box body and lid form confined space and are used for the automatically controlled layer board of holding, still include the expansion piece, the expansion piece is connected with box body detachable. The detachable expansion piece is arranged on the electric control box, so that the capacity of the box body of the electric control box can be effectively expanded; but also can be assembled quickly and improve the convenience of use.

Furthermore, the expansion piece comprises a bottom plate, side wall plates, connecting plates, first folding edges and second folding edges, the bottom plate is connected with the vertically arranged side wall plates, the left side edge and the right side edge of each side wall plate are respectively provided with 1 connecting plate 5403, and the folding edges are arranged on the connecting plates 5403. The expansion piece is connected with the box body through the first folding edge and the second folding edge, and meanwhile, the expansion piece is simple in structure and convenient to machine.

Furthermore, the folded edges comprise a first folded edge and a second folded edge, second mounting holes are formed in the first folded edge and the second folded edge, and hole structures corresponding to the second mounting holes are formed in the first side plate of the box body. First hem, second hem are fixed with first curb plate with the mode of screw connection, not only assemble convenient, efficient, are favorable to improving the firm nature of assembly moreover.

Furthermore, the box body includes first bottom plate and the first curb plate that is located first bottom plate week side, be equipped with the line opening on the first curb plate for form the passageway that the communication wire passed in and out automatically controlled box.

Furthermore, a positioning notch is arranged on the bottom plate, and a positioning boss corresponding to the positioning notch is arranged on the first bottom plate of the box body; during assembly, the bottom plate is connected with the first bottom plate part, and the positioning boss is abutted to the positioning notch. Through setting up the location breach, can realize the quick location of holding the piece, make fixed screw align fast, improve the assembly speed between holding the piece and the box body.

Furthermore, one end of the box body is provided with a limiting hole, the box body is provided with a limiting part corresponding to the limiting hole, and the limiting part is inserted into the limiting hole to be assembled. Through inserting the locating part spacing downthehole, realize quick assembly disassembly, ensure the convenience of assembly between the two, improve the firm nature of assembly of lid and box body simultaneously.

Furthermore, the other end of the box cover is provided with a first mounting hole, and the box body is provided with an assembling hole corresponding to the first mounting hole. Lid and box body are fixed with the mode of screw connection to be favorable to improving the assembly convenience between box body and lid on the one hand, on the other hand has further ensured the firm nature of assembly between the two.

Furthermore, the electric control supporting plate comprises a second bottom plate and a second side plate located on the periphery of the second bottom plate, the second side plate is provided with a lug protruding outwards, an assembling groove is formed in the position, corresponding to the lug, of the first side plate of the box body, and the lug is clamped in the assembling groove for assembling;

furthermore, an elastic buckle is further arranged on the second side plate and used for clamping and fixing the circuit board. The circuit board is installed on automatically controlled layer board through elasticity buckle and second bottom plate complex mode, and not only easy dismounting, efficient, the cooperation is closely also higher moreover. And a wire passing buckle is further arranged on the second side plate. The electric wires connected with the outside can be sequentially arranged outside the electric control box through the wire passing buckles, so that the wiring is standard, the installation is convenient, the falling is not easy, and the assembly efficiency can be improved.

An air conditioner comprises the air conditioner electric control box. The detachable expansion piece is arranged, so that the box body capacity of the electric control box can be effectively expanded, the electric control box is suitable for circuit boards in different shapes, and the application range of the electric control box is expanded; moreover, the quick assembly between the expansion piece and the box body can be realized, and the use convenience is improved.

Drawings

Fig. 1 is an exploded view of an air conditioner according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at X;

FIG. 3 is a block diagram of a rear housing plate according to an embodiment of the present invention;

fig. 4 is a partial exploded view of an air conditioner according to an embodiment of the present invention;

fig. 5 is a first perspective view of the first frame body according to the embodiment of the present invention;

fig. 6 is a second perspective view of the first frame body according to the embodiment of the present invention;

fig. 7 is a first perspective view of a second frame body according to an embodiment of the present invention;

fig. 8 is an overall schematic view of the electronic control box according to the embodiment of the present invention;

fig. 9 is an exploded view of an electric control box according to an embodiment of the present invention;

fig. 10 is a first perspective view of the container according to the embodiment of the present invention.

Description of reference numerals:

1-reinforcing bar, 101-clamping groove, 102-screw hole, 2-evaporator bracket, 3-first frame body, 301-upper panel, 302-supporting plate, 303-fixing plate, 304-limiting piece, 305-notch, 306-first fixing hole, 307-second fixing hole, 308-reinforcing rib, 4-second frame body, 401-horizontal plate, 402-side wall plate, 403-third fixing hole, 404-fourth fixing hole, 5-electric control box, 51-box cover, 53-box body, 54-expanding piece, 5101-first mounting hole, 5102-limiting hole, 5201-second bottom plate, 5202-second side plate, 5203-elastic buckle, 5204-wire passing buckle, 5205-lug, 5206-screw column, 5207-first reinforcing rib, 5208-second reinforcing rib, 5209-third reinforcing rib, 5301-first bottom plate, 5302-first side plate, 5303-limiting piece, 5304-assembly hole, 5305-positioning boss, 5306-assembly groove, 5307-wire-passing opening, 5401-bottom plate, 5402-side wall plate, 5403-connecting plate, 5404-first folded edge, 5405-second folded edge, 5406-second mounting hole, 5407-positioning notch, 8-evaporator main body, 11-front shell plate, 12-rear shell plate, 13-upper top cover, 1201-second snap fastener, 1202-positioning piece

Detailed Description

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

As shown in fig. 1 to 4, the present embodiment provides an air conditioner, which includes a front shell plate 11, a rear panel 12, an upper top cover 13, an evaporator main body 8, an evaporator bracket 2, and the like, and the specific structure and the assembly relationship thereof are the prior art and will not be described herein again. The air conditioner also comprises a reinforcing strip 1, an electric control box bracket and an electric control box 5. The electric control box 5 is arranged above the evaporator bracket 2, so that condensed water generated by structures such as the evaporator main body 8 and the like can not flow into the electric control box 5 under the action of gravity, and the electric fault of the air conditioner is avoided. Be equipped with automatically controlled box support between automatically controlled box 5 and the evaporimeter support 2, automatically controlled box support includes first support body 3, second support body 4.

The end part of the reinforcing strip 1 is connected with the second frame body 4, and the side edge of the reinforcing strip 1 is connected with the front shell plate 11 or the rear shell plate 12. By arranging the reinforcing strip 1, the integral strength of the air conditioner is increased, the bearing of the water pan at the lower part of the air conditioner is effectively reduced, and the water pan is ensured to be watertight; meanwhile, the installation and the fixation of structures such as a water receiving tray, an evaporator bracket 2 and the like are facilitated. First support body 3 respectively with automatically controlled box 5, evaporator support 2 fixed connection for fix automatically controlled box 5 on evaporator support 2, avoid appearing the not hard up condition of automatically controlled box 5, improved the firm nature of assembly of automatically controlled box 5, be favorable to ensureing electrical safety. The second frame body 4 is respectively connected with the reinforcing strip 1 and the electric control box 5, and the electric control box 5 is fixed through the second frame body 4, so that the limited space above the evaporator support 2 can be fully utilized, and the internal structure of the air conditioner is more compact; meanwhile, the assembling firmness of the electric control box 5 is further improved, the condition that the electric control box 5 is loosened is avoided, and the electrical safety of the air conditioner is ensured to a certain extent.

Specifically, as shown in fig. 4, the air conditioner is provided with 2 reinforcing strips 1, and the reinforcing strips 1 are symmetrically arranged along the central axis of the circle where the evaporator bracket 2 is located. The upper end parts of the 2 reinforcing strips 1 are connected with the second frame body 4 to form a whole. Preferably, the reinforcing bar 1 is provided with a clamping assembly, the clamping assembly comprises a clamping groove 101 and a screw hole 102, and the clamping groove 101 is located on two adjacent side wall surfaces of the reinforcing bar 1. As shown in fig. 3, a second buckle 1201 and a positioning member 1202 are disposed on the inner side wall of the rear housing plate 12 at positions corresponding to the clamping assembly. During assembly, the second buckle 1201 is clamped in the clamping groove 101, and the side wall of the reinforcing strip 1 is abutted to the positioning part 1202. The screw holes 102 are used for mounting and fixing components such as a water pan, the evaporator bracket 2 or the rear shell plate 12. As an example of the present invention, the reinforcing strip 1 and the back shell plate 12 are fixed together by the screw joint and the joint, which not only ensures the convenience of assembly, but also further ensures the tightness and reliability of assembly.

As shown in fig. 5 and 6, the first frame body 3 is located between the evaporator bracket 2 and the electronic control box 5, and includes an upper panel 301, a supporting plate 302, and a fixing plate 303, and the upper panel 301 and the fixing plate 303 have a height difference and are in an "arch shape". The supporting plate 302 and the fixing plate 303 are respectively provided with 2 blocks and are positioned at two sides of the upper panel 301, and the supporting plate 302 is respectively connected with the upper panel 301 and the fixing plate 303. Preferably, the side edges of the first frame body 3 are provided with reinforcing ribs 308, and the upper panel 301, the supporting plate 302 and the fixing plate 303 can be connected into a whole through the reinforcing ribs 308, so as to enhance the overall strength of the first frame body 1.

First support body 3 passes through top panel 301 and is connected with automatically controlled box 5, first support body 3 passes through fixed plate 303 and evaporimeter support 2 fixed connection. Fix automatically controlled box 5 through first support body 3, can fix automatically controlled box 5 on evaporator support 2 comparatively firmly, avoid appearing the not hard up condition of automatically controlled box 5, improve the firm nature of assembly of automatically controlled box 5, be favorable to guaranteeing the electrical safety of air conditioner.

In addition, in order to ensure the mechanical strength and the convenient degree of processing of the first frame body 3, the first frame body 3 is formed by punching; that is, a corresponding plate material, such as a stainless steel plate, is formed in one step by punching on a punch press to form the first frame body 3. Through one shot forming's processing mode, can not only improve the convenient degree of first support body 3 production and processing, be favorable to reduction in production cost, make it possess good mechanical properties simultaneously.

Wherein, the upper panel 301 and the electric control box 5 are fixed in a screw connection mode; preferably, the upper panel 301 is provided with a first fixing hole 306, and the electronic control box 5 is provided with a fixing hole corresponding to the first fixing hole 306; preferably, the first fixing hole 306 is a screw hole. In the assembling process, the fixing holes on the electronic control box 5 are aligned with the first fixing holes 306 on the upper panel 301, and then screws are screwed in to complete the assembly between the electronic control box 5 and the first frame body, so that the assembling firmness of the electronic control box 5 is improved, and the assembling convenience is ensured.

The fixing plate 301 is fixed to the evaporator support 4 by means of screws. Preferably, a second fixing hole 307 is formed in the fixing plate 301, and a hole structure corresponding to the second fixing hole 307 is formed in the evaporator bracket 4; preferably, the second fixing hole 307 is a screw hole. In the assembling process, the second fixing holes 307 on the fixing plate 301 are aligned with the screw holes on the evaporator bracket 4, and then screws are screwed in, so that the fixing of the fixing piece 6 and the evaporator bracket 4 is completed; thereby being beneficial to improving the firmness of the assembly on the one hand and ensuring the convenience of the assembly on the other hand. Preferably, there are 2 second fixing holes 307 symmetrically disposed along the central axis of the first frame 3.

The upper panel 301 is provided with a limiting baffle 304, the electric control box 5 is abutted against the limiting baffle 304, and when the electric control box 5 is abutted against the limiting baffle 304, the fixing hole on the electric control box 5 is automatically aligned with the second fixing hole 306 on the upper panel 301, so that a screw can be directly screwed in to complete the assembly between the electric control box 5 and the first frame body 3; this setting not only simplifies the assembly operation between automatically controlled box 5 and the first support body 3, moreover limit baffle 304 carries out the butt with automatically controlled box 5, and limit baffle 304 can assist spacingly to automatically controlled box 5, not only simplifies the operation process of assembly between the two, improves assembly efficiency, reduces automatically controlled box 5 moreover and takes place not hard up possibility. Preferably, a notch 305 is formed in one side of the limit stop 304, and the notch 105 is a quadrilateral. This arrangement can reduce the weight of the first frame 3 without changing the mechanical strength thereof.

Preferably, the upper panel 301 is provided with at least two limiting baffles 304, the limiting baffles 304 are abutted to the second side plate 5202 of the box 53, and the accommodating part 54 is clamped between the two limiting baffles 304, so that the first frame body 3 can further limit the electronic control box 5, and the electronic control box 5 is prevented from loosening.

As shown in fig. 7, the second frame 4 is composed of a horizontal plate 401 and a side wall plate 402, wherein the horizontal plate 401 and the side wall plate 402 are perpendicular to each other. Preferably, the second frame body 4 is formed by stamping; that is, the second frame body 4 is formed by one-step forming by punching on a punch press from a corresponding plate material such as a stainless steel plate. The second frame body 4 is fixed with the reinforcing strip 1 and the electric control box 5 in a screw connection mode. Preferably, a third fixing hole 403 and a fourth fixing hole 404 are formed in the horizontal plate 401; preferably, the third fixing hole 403 and the fourth fixing hole 404 are both screw holes. The end part of the reinforcing strip 1 is provided with a hole structure corresponding to the fourth fixing hole 404; similarly, the box body 53 of the electronic control box 5 is provided with a hole structure corresponding to the third fixing hole 403, and preferably, the hole structure is located on the first bottom plate 5301 of the box body 53. During the assembly, the tip of second support body 4 links to each other with strengthening the strip 1, and is concrete, strengthen the tip of strip 1 and the horizontal plate 401 butt of second support body 4, simultaneously lateral wall board 402 links to each other with the lateral wall of strengthening the strip 1. The hole structure on the end of the reinforcing bar 1 is automatically aligned with the fourth fixing hole 404 on the horizontal plate 401, so that a screw can be directly screwed in to complete the assembly between the reinforcing bar 1 and the second frame body 4, thereby being beneficial to improving the assembling firmness of the reinforcing bar 1 on one hand and ensuring the assembling convenience on the other hand.

As shown in fig. 8 and 9, the electrical control box 5 includes a box cover 51, a box body 53, an electrical control supporting plate 52 and an expansion part 54, wherein the box body 53 has an accommodating groove for accommodating the electrical control supporting plate 52. The electric control supporting plate 52 is internally provided with circuit boards and other electric elements which are conventional in air conditioning; the box cover 51 is connected with the box body 53, and the container 54 is detachably connected with the first side plate 5302 of the box body 53. Through setting up the expansion piece 54, the accommodation space of multiplicable automatically controlled box 5 satisfies the needs of the automatically controlled box of different shapes, and convenient to use, the dismouting of being convenient for improves the convenience of using.

Specifically, the box body 53 is open and includes a first bottom plate 5301 and a first side plate 5302 located around the first bottom plate 5301, so that the first bottom plate 5301 and the first side plate 5302 together form an open box. The box cover 51 and the box body 53 cooperate to form a closed space for accommodating the electric control supporting plate 52. Specifically, the box body 53 is provided with a limiting piece 5303, and the corresponding position of the box cover 51 is provided with a limiting hole 5102; the box body 53 is further provided with an assembly hole 5304, a first mounting hole 5101 is formed in the corresponding position of the box cover 53, and the first mounting hole 5101 and the limiting hole 5102 are respectively located on two sides of the box cover 51. Preferably, there are 2 limiting

parts

5303 and 2 assembling holes 5304. During assembly, the limiting piece 5303 is inserted into the limiting hole 5102, so that the box cover 51 is limited and preliminarily fixed; and then, the first mounting hole 5101 on the box cover 51 and the assembly hole 5304 on the box body 53 are automatically aligned, screws are screwed in to complete the assembly between the box body 53 and the box cover 51, and the limiting piece 5303 and the hole structure are arranged on the box body 53, so that the convenience and the firmness of the assembly between the box body 53 and the box cover can be considered. Preferably, the side wall of the box body 53 is further provided with wire-passing

openings

5307, and 2 of the wire-passing openings 5307 are used for a passage for a communication wire to enter and exit the electronic control box.

The electric control supporting plate 52 is also open, and includes a second bottom plate 5201 and a second side plate 5202 located around the second bottom plate 5201, so that the second bottom plate 5201 and the second side plate 5202 together form an open electric control supporting plate 52. At least one second side plate 5202 is provided with a lug 5205 protruding outwards, the first side plate 5302 of the box 53 and a position corresponding to the lug 5205 are provided with an assembly groove 5306, and the lug 5205 is clamped into the assembly groove 5306 for assembly, so that the arrangement not only realizes the rapid assembly between the electric control supporting plate 52 and the box 53, but also improves the assembly tightness between the two. Preferably, four second side plates 5202 are provided with the lugs 5205 on the outer side thereof, and two lugs 221 are spaced apart from each second side plate 5202, thereby ensuring that the box 53 and the electrical control board 52 can be tightly fitted to each side after assembly. Of course, other detachable connecting structures between the second side plate 5202 and the first side plate 5302 can be used.

The top surface of the second bottom plate 5201 is provided with a first reinforcing rib 5207, a second reinforcing rib 5208 and a third reinforcing rib 5209 for enhancing the mechanical strength of the electric control supporting plate 52. The first reinforcing rib 211 is located at an end of the second bottom plate 5201, and is disposed in contact with the second reinforcing rib 5208 and the third reinforcing rib 5209. The second reinforcing rib 5208 is disposed in parallel between two opposite sides of the second base plate 5201, and the third reinforcing rib 5209 is disposed in parallel between two other opposite sides of the second base plate 5201. Preferably, there are four second reinforcing ribs 5208 and four third reinforcing ribs 5209, respectively, and the second reinforcing ribs 5208 and the third reinforcing ribs 5209 are disposed perpendicular to each other.

Preferably, the second side plate 5202 is further provided with an elastic buckle 5203, and the elastic buckle 5203 is used for fastening and fixing the circuit board. As an example of the present invention, the elastic buckle 5203 includes a buckle body and a buckling portion, the bottom of the buckle body is connected to the second bottom plate 5202, and the buckling portion is formed by extending the top end of the buckle body downward and toward the second bottom plate 5202. The circuit board is mounted on the electric control supporting plate 52 in a mode that the elastic buckle 5203 is matched with the second bottom plate 5201, so that the circuit board is convenient to dismount and mount, high in efficiency and high in matching tightness. Preferably, a wire passing buckle 5204 is further disposed on the second side plate 5202; the electric wires connected with the outside can be sequentially arranged outside the electric control box 5 through the wire passing buckles 5204, so that the wiring is standard, the installation is convenient, the falling is not easy, and the assembly efficiency can be improved. Preferably, a positioning column 5206 is further disposed on the top surface of the second bottom plate 5201, such as at the middle position, and a matching hole is disposed at the corresponding position of the circuit board, and the positioning column 5206 is inserted into the matching hole, so as to ensure accurate positioning between the circuit board and the electronic control supporting plate 52 and prevent the circuit board from moving relative to the electronic control supporting plate 52.

As shown in fig. 10, the receptacle 54 includes a bottom plate 5401, a side wall plate 5402, a connecting plate 5403 and a folded edge, the bottom plate 5401 is connected to the vertically arranged side wall plate 5402, and the left and right side edges of the side wall plate 5402 are respectively provided with one connecting plate 5403; preferably, the connecting plate 5403 is perpendicular to both the bottom plate 5401 and the side wall plate 5402. The connecting plate 5403 is provided with a folded edge. The flaps include a first flap 5404 and a second flap 5405. Preferably, a positioning notch 5407 is formed in the bottom plate 5401, and a positioning boss 5305 corresponding to the positioning notch 5407 is arranged on the top surface of the first bottom plate 5301; when assembled, the bottom plate 5401 is in contact with the first bottom plate 5301, and the positioning boss 5305 abuts against the positioning notch 5407, so that the corresponding hole structures are aligned. By arranging the positioning notch 5407, the quick positioning of the expansion piece 54 can be realized, so that the fixing screw holes are aligned quickly, and the assembly speed between the expansion piece 54 and the box body 53 is improved. The first flange 5404 and the second flange 5405 are both provided with second mounting holes 5406, and the box body 53 is provided with screw holes corresponding to the second mounting holes 5406. During assembly, the second mounting holes 5406 on the first flange 5404 and the second flange 5405 are automatically aligned with corresponding hole structures on the box body 53, so that screws can be directly screwed in to complete assembly between the expansion piece 54 and the box body 53, and improvement of assembling firmness and convenience between the first flange 5404 and the second flange 5405 is facilitated.

In addition, the utility model also provides an air conditioner, which can be a cabinet air conditioner, a wall-mounted air conditioner, a ceiling air conditioner, etc., preferably a cabinet air conditioner; for the air conditioner, besides the air conditioner electric control box, the air conditioner also includes air conditioner components such as a cross-flow fan blade, a motor, an air duct component, a wind sweeping structure and the like, and the details of the specific structures and the specific assembly relations of the related components are the prior art and are not repeated herein.

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

Claims

1. The utility model provides an automatically controlled box of air conditioner, includes lid (51), automatically controlled layer board (52) and box body (53), box body (53) and lid (51) form confined space and are used for holding automatically controlled layer board (52), its characterized in that still includes holding piece (54), holding piece (54) and box body (53) detachable are connected.

2. An electric control box of an air conditioner as claimed in claim 1, wherein the expansion piece (54) comprises a bottom plate (5401), a side wall plate (5402), a connecting plate (5403) and a folded edge, the bottom plate (5401) is perpendicular to the side wall plate (5402), the left side and the right side of the side wall plate (5402) are respectively provided with 1 connecting plate (5403), and the folded edge is arranged on the connecting plate (5403).

3. The electric control box of the air conditioner as claimed in claim 2, wherein the folded edges comprise a first folded edge (5404) and a second folded edge (5405), the first folded edge (5404) and the second folded edge (5405) are respectively provided with a second mounting hole (5406), and the first side plate (5302) of the box body (53) is provided with a hole structure corresponding to the second mounting hole (5406).

4. An electric control box of an air conditioner according to claim 1, characterized in that the box body (53) comprises a first bottom plate (5301) and a first side plate (5302) located on the periphery side of the first bottom plate (5301), and the first side plate (5302) is provided with a wire passing opening (5307).

5. An electric control box of an air conditioner according to claim 4, characterized in that said first bottom plate (5301) is provided with a positioning boss (5305); and a positioning notch (5407) corresponding to the positioning boss (5305) is arranged on the bottom plate (5401) of the expansion piece (54).

6. An electric control box of an air conditioner according to claim 1, characterized in that one end of the box cover (51) is provided with a limiting hole (5102), the box body (53) is provided with a limiting piece (5303) corresponding to the limiting hole (5102), and the limiting piece (5303) is inserted into the limiting hole (5102) to assemble the box cover (51) and the box body (53).

7. An electric control box of an air conditioner according to claim 6, characterized in that the other end of the box cover (51) is provided with a first mounting hole (5101), and the box body (53) is provided with a fitting hole (5304) corresponding to the first mounting hole (5101).

8. An electric control box of an air conditioner according to claim 1, characterized in that the electric control supporting plate (52) comprises a second bottom plate (5201) and a second side plate (5202) located on the peripheral side of the second bottom plate (5201), the second side plate (5202) is provided with a lug (5205) protruding outwards, the first side plate (5302) of the box body (53) and the position corresponding to the lug (5205) are provided with an assembling groove (5306), and the lug (5205) is clamped into the assembling groove (5306) for assembling.

9. The electric control box of the air conditioner as claimed in claim 8, wherein the second side plate (5202) is further provided with an elastic buckle (5203) and a wire passing buckle (5204), the elastic buckle (5203) is used for clamping and fixing the circuit board; the wire passing buckle (5204) is used for fixing a cable connected with the electric control box.

10. An air conditioner characterized in that it comprises an air conditioner electric control box according to any one of claims 1 to 9.