CN220528318U

CN220528318U - Electric control box, outdoor unit and heating and ventilation equipment

Info

Publication number: CN220528318U
Application number: CN202321118517.1U
Authority: CN
Inventors: 张骋凯; 李宏伟; 李洋; 钟永华; 李腾飞
Original assignee: GD Midea Heating and Ventilating Equipment Co Ltd; Hefei Midea Heating and Ventilating Equipment Co Ltd
Current assignee: GD Midea Heating and Ventilating Equipment Co Ltd; Hefei Midea Heating and Ventilating Equipment Co Ltd
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2024-02-23
Anticipated expiration: 2033-05-09

Abstract

The utility model discloses an electric control box, an outdoor unit and heating and ventilation equipment, wherein the electric control box comprises: the electric control box body comprises a box body and a box cover which are connected, wherein the box body and the box cover are independent forming parts; the electric control assembly is arranged in the electric control box body; the wire outlet sealing piece is arranged on at least one of the box main body and the box cover, the wire outlet sealing piece is provided with a wire outlet hole and is an elastomer, and the wire harness assembly electrically connected with the electric control assembly is led out from the wire outlet hole; wherein, through the cooperation of box main part and lid, extrude the wire seal spare to reduce the clearance between wire harness assembly and the inner wall of wire outlet. According to the electric control box provided by the embodiment of the utility model, the tightness between the wire harness assembly and the inner wall of the wire outlet hole can be enhanced, so that the tightness of the electric control box is enhanced, dust or liquid and the like are prevented from entering the electric control box from the gap, and leaked refrigerant is also prevented from entering the electric control box from the gap, so that potential safety hazards are reduced.

Description

Electric control box, outdoor unit and heating and ventilation equipment

Technical Field

The utility model relates to the technical field of electric control boxes, in particular to an electric control box, an outdoor unit and heating and ventilation equipment.

Background

In the related art, a wire harness is connected to an electric control board in an electric control box, and in order to realize normal wire outlet of the wire harness on the electric control board, a wire outlet is generally formed in an electric control box body, so that the wire harness penetrates through the wire outlet and is externally led out. However, in the related art, gaps exist between the wire harness and the wire outlet holes, external dust or liquid with poor sealing property easily enters the electric control box, and when refrigerant leaks, the refrigerant easily enters the electric control box, so that a large potential safety hazard exists.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide an electric control box, in which an elastic wire outlet sealing member is provided, and a wire outlet hole is provided in the wire outlet sealing member, so that the wire outlet sealing member is extruded by using the force of the mutual cooperation of the box body and the box cover, the wire outlet sealing member can be elastically deformed under the extrusion action, the gap between the wire harness assembly and the inner wall of the wire outlet hole can be reduced, the wire harness assembly is in interference fit with the wire outlet hole, the tightness between the wire harness assembly and the inner wall of the wire outlet hole is enhanced, thereby enhancing the tightness of the electric control box, preventing dust or liquid and the like from entering the electric control box from the gap, preventing leaked refrigerant from entering the electric control box from the gap, and reducing the potential safety hazard.

The utility model also provides an outdoor unit with the electric control box.

The utility model also provides heating and ventilation equipment with the outdoor unit.

An electronic control box according to an embodiment of the first aspect of the present utility model includes: the electric control box body comprises a box main body and a box cover which are connected, wherein the box main body and the box cover are independent forming parts; the electric control assembly is arranged in the electric control box body; the wire outlet sealing piece is arranged on at least one of the box main body and the box cover, is provided with a wire outlet hole and is an elastomer, and a wire harness assembly electrically connected with the electric control assembly is used for leading wires from the wire outlet hole; wherein the wire outlet sealing member is pressed by the mutual cooperation of the box body and the box cover to reduce a gap between the wire harness assembly and an inner wall of the wire outlet hole.

According to the electric control box provided by the embodiment of the utility model, the elastic wire outlet sealing piece is arranged, the wire outlet hole is formed in the wire outlet sealing piece, the wire outlet sealing piece is extruded by utilizing the interaction force of the box main body and the box cover, the wire outlet sealing piece can elastically deform under the extrusion action, the gap between the wire harness assembly and the inner wall of the wire outlet hole can be reduced, the wire harness assembly is in interference fit with the wire outlet hole, the tightness between the wire harness assembly and the inner wall of the wire outlet hole is enhanced, the tightness of the electric control box is enhanced, dust or liquid and the like are prevented from entering the electric control box from the gap, leaked refrigerants are prevented from entering the electric control box from the gap, and potential safety hazards can be reduced.

According to some embodiments of the utility model, the outgoing line seal is a rubber member.

According to some embodiments of the utility model, the outlet seal is integrally formed on the lid or the body; alternatively, the outgoing line sealing member is bonded to at least one of the box main body and the box cover; alternatively, the outlet seal is removably coupled to at least one of the cartridge body and the cartridge cover.

According to some embodiments of the utility model, the wire harness assembly comprises a wire harness member and an electric control wire harness, wherein the wire harness member is used for fixing the electric control wire harness, the wire harness member is located in the wire outlet hole, and the wire outlet sealing member is pressed through the mutual matching of the box main body and the box cover so as to seal a gap between the wire harness member and the inner wall of the wire outlet hole.

According to some alternative embodiments of the utility model, the wire harness is integrally injection molded to the electrical control harness.

According to some alternative embodiments of the utility model, the electrical harness assembly is at least one, and the electrical harness of at least one of the harness assemblies includes a plurality of wires.

According to some alternative embodiments of the utility model, the harness assembly is at least one, at least one of the harness assemblies includes two separately routed electrical control harnesses, and the power of components connected by the two separately routed electrical control harnesses is different.

According to some embodiments of the utility model, an outlet notch is formed on at least one of the box body and the box cover, and the outlet seal member includes an outlet portion formed with the outlet hole, and at least part of the outlet portion is located in the outlet notch.

According to some alternative embodiments of the utility model, the wire outlet notch is formed in the box body, the wire outlet portion protrudes from the box body in a direction from the box body to the box cover, the box cover abuts against the wire outlet portion, and the wire outlet portion is pressed to seal a gap between the wire harness assembly and an inner wall of the wire outlet hole.

In some alternative embodiments of the present utility model, the wire harness assembly includes a wire harness member and an electric control wire harness, the wire harness member is used for fixing the electric control wire harness, the wire harness member is located in the wire outlet hole, the box cover abuts against the wire outlet portion, the wire outlet portion is extruded to seal a gap between the wire harness member and an inner wall of the wire outlet hole, and the wire outlet sealing member is connected with the box body in a clamping mode.

In some alternative embodiments of the present utility model, the wire harness assembly includes a wire harness member and an electrical control wire harness, the wire harness member is used for fixing the electrical control wire harness, positioning grooves are formed on opposite side walls of the wire outlet notch, the wire harness member includes a wire harness member body and positioning protrusions disposed on opposite sides of the wire harness member body, the wire harness member body is located in the wire outlet hole, the box cover is abutted against the wire outlet portion, the wire outlet portion is extruded to seal a gap between the wire harness member body and an inner wall of the wire outlet hole, a avoidance groove is formed on the inner wall of the wire outlet hole, the avoidance groove is communicated with the wire outlet hole and the positioning grooves, and the positioning protrusions are accommodated in the avoidance groove and the positioning grooves.

In some optional embodiments of the present utility model, the portions of the side walls of the wire outlet notch located at two sides of the positioning groove are a first side wall and a second side wall, the wire outlet portion is formed with a first limiting groove and a second limiting groove, the first side wall is accommodated in the first limiting groove, and the second side wall is accommodated in the second limiting groove.

In some optional embodiments of the present utility model, the wire outlet sealing member includes a plurality of wire outlet portions spaced apart along a circumferential direction of the box body, adjacent wire outlet portions are connected by a connection rib, and the connection rib is located on the box body and contacts or connects with an outer wall surface of the box body.

In some alternative embodiments of the utility model, the outlet seal includes two separately formed sub-outlet seals that together define the outlet hole.

According to some alternative embodiments of the utility model, the outlet notch is formed in the box body, and the outlet hole penetrates through one side of the outlet portion facing the box cover.

In some alternative embodiments of the utility model, a matching groove is formed on the outgoing line sealing member, the matching groove is adjacent to the outgoing line notch, a matching protrusion is arranged on the box cover, and the matching protrusion is in interference fit with the matching groove so as to squeeze the outgoing line part.

In some alternative embodiments of the utility model, the mating protrusion is integrally formed with the lid; or the matching bulge is adhered or clamped with the box cover.

In some alternative embodiments of the present utility model, the width of the fitting groove and the fitting protrusion increases in a direction from the box main body to the box cover.

In some alternative embodiments of the present utility model, the wire outlet hole includes a receiving hole section and a limiting hole section, the electric control harness is adapted to enter through the limiting hole section and pass through the receiving hole section, and a width of the limiting hole section is smaller than a width of the receiving hole section in a circumferential direction of the box main body.

In some alternative embodiments of the present utility model, the wire outlet hole further includes a guide hole section located at a side of the limiting hole section away from the receiving hole section, the guide hole section penetrating through a side of the wire outlet portion toward the box cover, the guide hole section having a width gradually increasing in a circumferential direction of the box main body in a direction from the limiting hole section to the guide hole section.

According to some embodiments of the utility model, the lid is connected to the body by a fastener or by welding.

An outdoor unit according to an embodiment of the second aspect of the present utility model includes: an outdoor housing; the outdoor heat exchanger and the outdoor fan are arranged in the outdoor machine shell; the compressor component is arranged in the outdoor machine shell; according to the embodiment of the first aspect of the present utility model, the electric control box is disposed in the outdoor unit casing.

According to the outdoor unit provided by the embodiment of the utility model, the electric control box is provided with the elastic wire outlet sealing piece, the wire outlet sealing piece is provided with the wire outlet hole, the wire outlet sealing piece is extruded by utilizing the mutually matched acting force of the box main body and the box cover, the wire outlet sealing piece can be elastically deformed under the extrusion action, the gap between the wire harness assembly and the inner wall of the wire outlet hole can be sealed, the wire harness assembly is in interference fit with the wire outlet hole, the tightness between the wire harness assembly and the inner wall of the wire outlet hole is enhanced, the tightness of the electric control box is enhanced, dust or liquid and the like are prevented from entering the electric control box from the gap, and a leaked refrigerant is prevented from entering the electric control box from the gap, so that the potential safety hazard is reduced.

According to some embodiments of the utility model, the refrigerant used by the outdoor unit is a flammable refrigerant.

An embodiment of the heating and ventilation device according to the third aspect of the present utility model includes: according to the outdoor unit of the second embodiment of the present utility model.

According to the heating ventilation equipment provided by the embodiment of the utility model, the outdoor unit is arranged, the elastic wire outlet sealing piece is arranged on the electric control box body, the wire outlet sealing piece is extruded by utilizing the mutually matched acting force of the box main body and the box cover, the wire outlet sealing piece can be elastically deformed under the extrusion action, the gap between the wire harness assembly and the inner wall of the wire outlet hole can be reduced, the wire harness assembly is in interference fit with the wire outlet hole, the tightness between the wire harness assembly and the inner wall of the wire outlet hole is enhanced, the tightness of the electric control box is enhanced, dust or liquid and the like are prevented from entering the electric control box from the gap, and a leaked refrigerant is prevented from entering the electric control box from the gap, so that the potential safety hazard is reduced.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

Fig. 1 is a schematic structural view of an electronic control box according to a first embodiment of the present utility model;

FIG. 2 is a schematic view of the cartridge body of FIG. 1 mated with an outlet seal;

FIG. 3 is a schematic view showing the cooperation of the main body of the cassette of FIG. 1 with the wire harness;

FIG. 4 is a schematic view of the cartridge body and harness of FIG. 3 at another angle;

fig. 5 is an enlarged view at a in fig. 4;

FIG. 6 is a perspective view of the wire outlet seal of FIG. 2;

FIG. 7 is a perspective view of the first sub-outlet seal of FIG. 6;

FIG. 8 is a perspective view of the second sub-outlet seal of FIG. 6;

fig. 9 is a schematic structural view of an electronic control box according to a second embodiment of the present utility model;

fig. 10 is an enlarged view at B in fig. 9;

FIG. 11 is a schematic view of the structure of the cartridge body of FIG. 9;

FIG. 12 is a schematic view of the structure of the cap of FIG. 9;

fig. 13 is a schematic structural view of an electronic control box according to a third embodiment of the present utility model;

FIG. 14 is a schematic view of the cartridge body of FIG. 13 mated with an outlet seal;

fig. 15 is a schematic structural view of an electronic control box according to a fourth embodiment of the present utility model.

Reference numerals:

100. an electric control box;

1. an electric control box body; 11. a box cover; 111. fitting the protrusion; 12. a box main body; 120. a wire outlet notch; 121. a first sidewall; 122. a second sidewall; 123. a positioning groove; 13. a receiving chamber;

2. An outgoing line seal; 20. a sub-outlet seal; 21. a first sub-outlet seal; 211. a first wire outlet slot; 22. a second sub-outlet seal; 221. a second wire outlet slot; 23. a wire outlet part; 24. a wire outlet hole; 241. a pilot hole section; 242. a receiving hole section; 243. limiting hole sections; 25. an avoidance groove; 26. a first limit groove; 27. the second limit groove; 28. a connecting rib; 29. a mating groove;

3. a wire harness assembly; 30. a wire harness member; 31. a wire harness body; 32. positioning the bulge; 33. and a wiring hole.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

An electronic control box 100 according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

Referring to fig. 1, 9, 13 and 15, an electronic control box 100 according to an embodiment of the first aspect of the present utility model includes: the electric control box body 1, the electric control assembly and the outgoing line sealing piece 2, wherein the electric control box body 1 comprises a box main body 12 and a box cover 11 which are connected, and the box main body 12 and the box cover 11 are independent forming pieces; the electronic control assembly is arranged in the electronic control box body 1, for example, the box main body 12 is provided with a containing cavity 13, and the electronic control assembly can be arranged in the containing cavity 13 of the box main body 12.

The outgoing line sealing member 2 is provided on at least one of the box main body 12 and the box cover 11, for example, the outgoing line sealing member 2 may be provided on the box main body 12; alternatively, the outlet seal 2 may be provided on the lid 11; alternatively, the outlet seal 2 may be provided on both the box body 12 and the box cover 11.

According to some embodiments of the utility model, the outlet seal 2 is integrally formed on the lid 11 or body 12; alternatively, the outgoing line sealing member 2 is bonded to at least one of the box main body 12 and the box cover 11; alternatively, the outlet seal 2 is detachably connected to at least one of the box main body 12 and the box cover 11.

The outlet seal member 2 is integrally formed on the box cover 11 or the box main body 12, and it can be considered that the outlet seal member 2 and the box cover 11 are integrally formed, so that the stability of the structure and performance between the outlet seal member 2 and the box cover 11 can be ensured; it is also considered that the outlet seal 2 is integrally formed with the cartridge body 12, so that stability of the structure and performance between the outlet seal 2 and the cartridge body 12 can be ensured. Through the integrated molding of the outgoing line sealing member 2 on the box cover 11 or the box main body 12, not only the stability of the structure and the performance between the outgoing line sealing member 2 and the electric control box 100 can be ensured, but also the assembly parts and the connection procedures between the outgoing line sealing member 2 and the electric control box 100 can be reduced, so that the assembly efficiency can be improved.

The outgoing line sealing member 2 is bonded to at least one of the box main body 12 and the box cover 11, and it can be considered that the outgoing line sealing member 2 is bonded to the box cover 11; it is also considered that the outlet seal 2 is bonded to the cartridge body 12; it is also considered that the outgoing line seal 2 is bonded to the box main body 12, and the outgoing line seal 2 is bonded to the box cover 11. The outlet seal 2 is bonded to at least one of the box body 12 and the box cover 11, so that the stability of the connection between the outlet seal 2 and the electronic control box 100 can be enhanced.

The outgoing line sealing member 2 is detachably connected to at least one of the box main body 12 and the box cover 11, and the outgoing line sealing member 2 can be considered to be detachably connected to the box main body 12; it is also considered that the outlet seal 2 is detachably connected to the box cover 11; it is also possible to consider the outlet seal 2 to be removably attached to the lid 11 and to the body. Since the outgoing line sealing member 2 is detachably connected with at least one of the box main body 12 and the box cover 11, the sealing member can be easily detached for replacement when the outgoing line sealing member 2 is damaged to cause a decrease in sealing property during long-term use. For example, the outlet seal 2 may be connected to the main body 12 and the lid 11 by a snap fit connection or a fastener connection.

Referring to fig. 1, 9, 13 and 15, the wire outlet seal 2 is formed with a wire outlet hole 24, and the wire outlet seal 2 is an elastic body, the wire outlet seal 2 has elastic deformation ability, the wire harness assembly 3 is electrically connected with the electronic control assembly within the electronic control box 100, and the wire harness assembly 3 is adapted to be wire-outlet from the wire outlet hole 24. Wherein, through the mutual cooperation of box main part 12 and lid 11, extrusion wire outlet seal 2, wire outlet seal 2 can take place elastic deformation under the extrusion effect to reduce the clearance between wire harness subassembly 3 and the inner wall of wire outlet 24, make wire harness subassembly 3 and wire outlet 24 interference fit, can strengthen the leakproofness between wire harness subassembly 3 and the inner wall of wire outlet 24, thereby further strengthen the leakproofness of automatically controlled box 100, prevent dust or comdenstion water etc. from getting into automatically controlled box 100 from the clearance, also can prevent that the refrigerant of leakage from getting into automatically controlled box 100 from the clearance in, can reduce the potential safety hazard.

The refrigerant may be a flammable refrigerant, for example, the flammable refrigerant may be R290. By pressing the wire outlet seal 2, the gap between the wire harness assembly 3 and the inner wall of the wire outlet hole 24 is reduced to enhance the sealability of the electronic control box 100, and the risk of explosion caused by the leakage of the combustible refrigerant into the electronic control box 100 can be reduced.

According to the electric control box 100 provided by the embodiment of the utility model, the elastic wire outlet sealing member 2 is arranged, the wire outlet hole 24 is arranged on the wire outlet sealing member 2, the wire outlet sealing member 2 is extruded by utilizing the mutually matched acting force of the box main body 12 and the box cover 11, the wire outlet sealing member 2 can be elastically deformed under the extrusion action, the gap between the wire harness assembly 3 and the inner wall of the wire outlet hole 24 can be reduced, the wire harness assembly 3 is in interference fit with the wire outlet hole 24, the tightness between the wire harness assembly 3 and the inner wall of the wire outlet hole 24 is enhanced, the tightness of the electric control box 100 is enhanced, dust or liquid and the like are prevented from entering the electric control box 100 from the gap, and a leaked refrigerant is prevented from entering the electric control box 100 from the gap, so that potential safety hazards can be reduced.

According to some alternative embodiments of the present utility model, the wire outlet sealing member 2 is a rubber member, so that the wire outlet sealing member 2 has elastic deformation capability, when the box main body 12 and the box cover 11 are matched with each other and press the wire outlet sealing member 2, the wire outlet sealing member 2 can generate certain elastic deformation, and the inner wall of the wire outlet hole 24 and the wire harness assembly 3 are mutually pressed, so that the clearance between the wire harness assembly 3 and the inner wall of the wire outlet hole 24 is reduced, and the tightness of the electronic control box 100 is enhanced; and the rubber piece has better insulation effect and lower cost.

Referring to fig. 2 and 9, according to some embodiments of the present utility model, the wire harness assembly 3 includes a wire harness member 30 and an electric control wire harness, for example, the wire harness member 30 may be a plastic member, the wire harness member 30 is used to fix the electric control wire harness, the wire harness member 30 is located in the wire outlet hole 24, the wire outlet sealing member 2 is pressed by the mutual cooperation of the box main body 12 and the box cover 11, the wire outlet sealing member 2 is elastically deformed under the pressing action, so as to seal a gap between the wire harness member 30 and an inner wall of the wire outlet hole 24, so that the wire harness member 30 is in interference fit with the wire outlet hole 24, and sealing between the wire harness assembly 3 and the wire outlet hole 24 is facilitated, thereby enhancing the sealing performance of the electric control box 100.

According to some optional embodiments of the present utility model, the wire harness member 30 is integrally injection molded on the electric control wire harness, so that a gap is avoided between the electric control wire harness and the wire harness member 30, so that the tightness between the electric control wire harness and the wire harness member 30 is better, and the tightness of the electric control box 100 is enhanced; in addition, the assembly process between the electric control wire harness and the wire harness piece 30 can be reduced, the assembly efficiency is improved, the stability between the wire harness piece 30 and the electric control wire harness is enhanced, and the electric control wire harness is prevented from shaking in the wire harness piece 30.

Referring to fig. 9, according to some alternative embodiments of the present utility model, the wire harness assembly 3 is at least one, and the electrical control wire harness of the at least one wire harness assembly 3 includes a plurality of wires, for example, the wire harness assembly 3 may be one, and the electrical control wire harness of the wire harness assembly 3 includes a plurality of wires; alternatively, the wire harness assembly 3 may be plural, wherein the electric control wire harness of one wire harness assembly 3 includes plural wire bodies; alternatively, the wire harness assembly 3 may be plural, and the electric control wire harness of plural (e.g., two) wire harness assemblies 3 includes plural wire bodies. An electric control wire harness is formed by a plurality of wire bodies, so that the wire bodies are conveniently arranged, and the wiring efficiency can be improved.

Referring to fig. 1-3, according to some alternative embodiments of the present utility model, the harness assembly 3 is at least one, and the at least one harness assembly 3 includes two separately wired electrical harnesses, and the power of the components connected by the two separately wired electrical harnesses is different. For example, the wire harness assembly 3 may be one, and the wire harness assembly 3 includes two separately routed electrically controlled wire harnesses; alternatively, the wire harness assembly 3 may be plural, wherein one wire harness assembly 3 includes two separately routed electrically controlled wire harnesses; alternatively, the wire harness assembly 3 may be plural, and the plural (e.g., two) wire harness assemblies 3 include two separately routed electrically controlled wire harnesses.

The two electric control wiring harnesses with different power of the connected components are separated, so that the electric control wiring harnesses connected with the high-power components can be prevented from influencing the electric control wiring harnesses connected with the low-power components, normal operation of the components is ensured, and potential safety hazards can be reduced.

Referring to fig. 2 to 3 and 13 to 15, according to some embodiments of the present utility model, at least one of the box main body 12 and the box cover 11 is formed with an outlet notch 120, and the outlet seal 2 includes an outlet portion 23 formed with an outlet hole 24, at least a portion of the outlet portion 23 being received in the outlet notch 120. For example, the case body 12 is formed with an outlet notch 120, and a part of the outlet portion 23 is accommodated in the outlet notch 120, or the outlet portion 23 is accommodated in the outlet notch 120. For another example, the cover 11 is formed with an outlet notch 120, and a part of the outlet 23 is received in the outlet notch 120, or the outlet 23 is completely received in the outlet notch 120. For another example, the case cover 11 and the case body 12 are each formed with an outlet notch 120, and a part of the outlet portion 23 is accommodated in the outlet notch 120 of the case cover 11 and the case body 12, or the outlet portion 23 is accommodated in the outlet notch 120.

By the wire outlet portion 23 of the wire outlet sealing member 2 being at least partially located in the wire outlet notch 120, the wire outlet portion 23 can be pressed when the box body 12 and the box cover 11 are mutually matched, a gap between an inner wall of the wire outlet hole 24 and the wire harness assembly 3 can be sealed, and a gap between a side wall of the wire outlet notch 120 and the wire outlet portion 23 can be reduced, so that the sealing performance of the electric control box 100 is enhanced.

Referring to fig. 2 and 13-15, according to some alternative embodiments of the present utility model, an outlet notch 120 is formed in the box body 12, for example, the box body 12 has a receiving cavity 13 therein, the outlet notch 120 may be formed at a sidewall of the receiving cavity 13, and the outlet notch 120 may penetrate through the sidewall of the receiving cavity 13. In the direction from the box main body 12 to the box cover 11, the wire outlet part 23 protrudes from the box main body 12, the box cover 11 is abutted against the wire outlet part 23, and the wire outlet part 23 is extruded to seal a gap between the wire harness assembly 3 and the inner wall of the wire outlet hole 24, so that the wire harness assembly 3 is in interference fit with the wire outlet hole 24, and the tightness of the electric control box 100 can be enhanced; moreover, the wire outlet part 23 can deform and squeeze the wire outlet hole 24 so as to limit the wire harness assembly 3; in addition, the extrusion of the wire outlet portion 23 by the box cover 11 can also reduce the gap between the wire outlet portion 23 and the side wall of the wire outlet notch 120, so as to further enhance the tightness of the electric control box 100.

In some alternative embodiments of the present utility model, the wire harness assembly 3 includes a wire harness member 30 and an electrical control wire harness, the wire harness member 30 being used to secure the electrical control wire harness, for example, referring to fig. 1-3, when the wire harness assembly 3 includes an electrical control wire harness, a routing hole 33 is formed in the wire harness member 30, and the electrical control wire harness is routed from the routing hole 33; when the wire harness assembly 3 includes a plurality of electric control wire harnesses, a plurality of wire routing holes 33 are formed in the wire harness member 30, and different electric control wire harnesses are routed from different wire routing holes 33, so that different electric control wire harnesses are separately routed.

Referring to fig. 1, the wire harness 30 is positioned at the wire outlet hole 24, the cap 11 abuts against the wire outlet portion 23, the wire outlet portion 23 is pressed, and the wire outlet portion 23 is elastically deformed under the pressing action of the cap 11, so that a gap between the wire harness 30 and the inner wall of the wire outlet hole 24 is reduced, the wire harness 30 is in interference fit with the wire outlet hole 24, the tightness between the wire harness 30 and the inner wall of the wire outlet hole 24 is enhanced, and the tightness between the wire harness assembly 3 and the inner wall of the wire outlet hole 24 is enhanced.

Referring to fig. 2 to 5, the wire harness 30 is snap-coupled to the box main body 12, so that the connection stability between the wire harness assembly 3 and the box main body 12 can be enhanced, and the wire harness assembly 3 is prevented from easily separating from the box main body 12 when an external force acts on the wire harness assembly; the outgoing line sealing member 2 is connected with the box main body 12 in a clamping way, so that the stability of connection between the outgoing line sealing member 2 and the box main body 12 can be enhanced, and the outgoing line sealing member 2 is prevented from being easily separated from the box main body 12 when being acted by external force. In addition, in the case where the wire harness assembly 3 and the wire outlet seal 2 are deteriorated in the wire outlet sealing performance in the long-term use, the wire outlet seal 2 is connected to the box main body 12 by the wire harness 30 being clamped to the box main body 12, so that the wire harness assembly 3 and the wire outlet seal 2 can be conveniently detached from the box main body 12 for maintenance or replacement.

Referring to fig. 5, in some alternative embodiments of the present utility model, positioning grooves 123 are formed on opposite side walls of the wire outlet notch 120, the wire harness 30 includes a wire harness body 31 and positioning protrusions 32, the positioning protrusions 32 are disposed on opposite sides of the wire harness body 31, the wire harness body 31 is located in the wire outlet hole 24, the box cover 11 abuts against the wire outlet portion 23, and the wire outlet portion 23 is pressed to reduce a gap between the wire harness body 31 and an inner wall of the wire outlet hole 24, so that the wire harness body 31 is in interference fit with the wire outlet hole 24, so as to enhance tightness between the wire harness body 31 and the inner wall of the wire outlet hole 24, and to help enhance tightness of the electronic control box 100.

Referring to fig. 6, the inner wall of the wire outlet hole 24 is formed with an avoidance groove 25, the avoidance groove 25 is communicated with the wire outlet hole 24 and the positioning groove 123, the positioning protrusion 32 is accommodated in the avoidance groove 25 and the positioning groove 123, and the avoidance groove 25 and the positioning groove 123 can limit the positioning protrusion 32, so that the wire harness 30 can be limited, the wire harness 30 is clamped at the wire outlet hole 24 and the wire outlet notch 120, and the stability of the wire harness 30 is enhanced, so that the stability of the wire harness assembly 3 is enhanced.

Referring to fig. 5, 7 and 8, in some alternative embodiments of the present utility model, the portions of the side walls of the wire outlet notch 120 located at two sides of the positioning groove 123 are a first side wall 121 and a second side wall 122, the wire outlet portion 23 is formed with a first limit groove 26 and a second limit groove 27, the first limit groove 26 corresponds to the first side wall 121, the second limit groove 27 corresponds to the second side wall 122, the first side wall 121 is accommodated in the first limit groove 26, the second side wall 122 is accommodated in the second limit groove 27, and the wire outlet portion 23 can be clamped to the side wall of the wire outlet notch 120, so that the wire outlet seal 2 and the box main body 12 are clamped and connected, and the installation stability of the wire outlet seal 2 is enhanced. For example, a portion of the sidewall of the outlet notch 120 located at a side of the positioning groove 123 near the electronic control assembly is a first sidewall 121, and a portion of the sidewall of the outlet notch 120 located at a side of the positioning groove 123 far from the electronic control assembly is a second sidewall 122.

Referring to fig. 1 and 6, in some alternative embodiments of the present utility model, the wire outlet seal 2 includes a plurality of wire outlet portions 23, the plurality of wire outlet portions 23 are spaced apart along the circumferential direction of the box main body 12, and wire outlet holes 24 are formed in the wire outlet portions 23, so that the wire harness assembly 3 is uniformly wired, and the wire arrangement is facilitated. For example, the electric control box 1 may be formed with a plurality of wire outlet notches 120, where the wire outlet notches 120 and the wire outlet portions 23 are in one-to-one correspondence, and the wire outlet portions 23 may be disposed in the corresponding wire outlet notches 120.

Referring to fig. 1 and 6, adjacent wire outlet portions 23 are connected through a connection rib 28, and the connection rib 28 is located on the outer wall surface of the box main body 12 and contacts or connects with the outer wall surface of the box main body 12, so that structural stability of the plurality of wire outlet portions 23 can be enhanced, and overall stability of the wire outlet seal 2 can be enhanced. The adjacent wire outlet parts 23 are connected through the connecting ribs 28, so that different wire outlet parts 23 can be prevented from being misplaced when the wire outlet sealing element 2 is assembled, and the assembly efficiency is improved.

Alternatively, the plurality of wire outlet portions 23 and the connection rib 28 may be integrally injection-molded, so that stability and reliability of connection between the plurality of wire outlet portions 23 and the connection rib 28 may be further enhanced, and an assembling process may be reduced to improve an assembling efficiency.

Referring to fig. 6, in some alternative embodiments of the utility model, the outlet seal 2 includes two sub-outlet seals 20, the two sub-outlet seals 20 being formed separately from each other, the two sub-outlet seals 20 together defining an outlet 24. When the wire outlet seal 2 is an integral piece, the wire harness assembly 3 is difficult to penetrate into the wire outlet hole 24; or the wire outlet hole 24 is provided large so that the wire harness assembly 3 can penetrate the wire outlet hole 24, so that the sealability between the wire harness assembly 3 and the wire outlet hole 24 is difficult to be ensured. The two sub wire outlet sealing members 20 which are respectively and independently formed together define the wire outlet hole 24, so that the wire harness assembly 3 and the wire outlet sealing member 2 are conveniently connected, the wire harness assembly 3 is conveniently penetrated through the wire outlet hole 24, the gap between the wire harness assembly 3 and the inner wall of the wire outlet hole 24 can be reduced, and the tightness between the wire harness assembly 3 and the wire outlet hole 24 is enhanced.

For example, the two sub-outlet seals 20 are a first sub-outlet seal 21 and a second sub-outlet seal 22, respectively, the first sub-outlet seal 21 having a first outlet slot 211 and the second sub-outlet seal 22 having a second outlet slot 221. The two sub-outlet seals 20 are opposite in the up-down direction, and the first sub-outlet seal 21 is located at the upper side of the second sub-outlet seal 22, the opening of the first outlet groove 211 is toward the second sub-outlet seal 22, and the opening of the second outlet groove 221 is toward the first sub-outlet seal 21. When the wire outlet seal 2 and the wire harness assembly 3 are assembled, the second sub-wire outlet seal 22 may be first snap-connected with the box main body 12, and the second sub-seal is in contact with the bottom wall of the accommodation chamber 13; then, the positioning protrusion 32 of the wire harness 30 is inserted into the positioning groove 123, so that the wire harness 30 is connected with the box main body 12 in a clamping way, and a part of the wire harness 30 is accommodated in the second wire outlet groove 221; then, the first sub-outlet seal 21 is connected to the box main body 12 in a clamped manner, a portion of the harness member 30 is accommodated in the first outlet groove 211, the first outlet groove 211 and the second outlet groove 221 are opposed to each other in the up-down direction and form an outlet hole 24, and the harness assembly 3 is led out through the outlet hole 24.

For example, referring to fig. 1, the case body 12 and the case cover 11 are engaged with each other in the up-down direction, and the case cover 11 may be provided to cover the upper side of the case body 12; when the box cover 11 is covered on the upper side of the box main body 12, the box cover 11 and the box main body 12 jointly extrude the two sub-outlet sealing elements 20 between the box cover 11 and the box main body 12, and the two sub-outlet sealing elements 20 can deform under the extrusion action so as to reduce the gap between the two sub-outlet sealing elements 20 and enhance the sealing effect of the electric control box 100; and, the two sub wire outlet sealing members 20 can press the wire harness assembly 3 in the wire outlet hole 24 to realize sealing between the wire outlet hole 24 and the wire harness assembly 3, so that the sealing effect of the electric control box 100 is further enhanced.

Referring to fig. 9 to 15, according to some alternative embodiments of the present utility model, a wire outlet notch 120 is formed in the case body 12, and a wire outlet hole 24 penetrates through a side of the wire outlet portion 23 facing the case cover 11, facilitating the pressing of the wire harness assembly 3 into the wire outlet hole 24.

Referring to fig. 9-12, in some alternative embodiments of the utility model, the outlet seal 2 has a mating groove 29 formed therein, the mating groove 29 being adjacent the outlet notch 120. The lid 11 is provided with a fitting protrusion 111, and the fitting protrusion 111 is in interference fit with the fitting groove 29 to press the wire outlet portion 23, and the wire outlet portion 23 can press the wire harness assembly 3, so that the wire outlet portion 23 can be in close contact with the wire harness assembly 3 to enhance the tightness of the electronic control box 100. For example, the hardness of the fitting projection 111 may be greater than the hardness of the wire outlet portion 23.

In some alternative embodiments of the present utility model, the engaging protrusion 111 is integrally formed with the lid 11, so that not only the stability of the structure and performance between the engaging protrusion 111 and the lid 11 can be ensured, but also the assembly parts and the connection process used for connecting the engaging protrusion 111 and the lid 11 can be omitted, and the assembly efficiency can be improved. Or, the matching bulge 111 is adhered or clamped with the box cover 11, the matching bulge 111 and the box cover 11 are convenient to form, and the connection stability of the matching bulge 111 and the box cover 11 is high. Alternatively, the fitting protrusion 111 and the cover 11 may be welded or fastened.

Referring to fig. 10 to 12, in some alternative embodiments of the present utility model, the width of the coupling groove 29 and the coupling protrusion 111 is increased in the direction from the cartridge body 12 to the cartridge cover 11 so that the cartridge body 12 can be coupled with the cartridge cover 11 better, and it is convenient to separate the coupling groove 29 from the coupling protrusion 111 when the cartridge cover 11 and the cartridge body 12 are disassembled. In addition, in the direction from the box main body 12 to the box cover 11, since the widths of the fitting groove 29 and the fitting protrusion 111 are both increased, when the fitting protrusion 111 is interference fitted with the fitting groove 29, not only the wire outlet portion 23 can be pressed in the circumferential direction of the box main body 12, but also the wire outlet portion 23 can be pressed in the direction from the box main body 12 to the box cover 11, and the sealability of the electronic control box 100 can be better ensured.

For example, the fitting groove 29 may have a trapezoidal shape, the shape of the fitting projection 111 is identical to the fitting groove 29, and the size of the fitting projection 111 is larger than the size of the fitting groove 29.

For example, referring to fig. 13 to 14, according to other embodiments of the present utility model, the outlet notch 120 is formed in the case body 12, the outlet portion 23 protrudes from the case body 12 in a direction from the case body 12 to the case cover 11, the case cover 11 is not provided with the fitting protrusion 111, and the outlet seal 2 is not provided with the fitting groove 29. By the mutual cooperation of the box main body 12 and the box cover 11, the wire outlet portion 23 is pressed, and the wire outlet portion 23 is deformed to seal the gap between the wire harness assembly 3 and the inner wall of the wire outlet hole 24, improving the sealability of the electronic control box 100.

For example, referring to fig. 15, according to other embodiments of the present utility model, the outlet notch 120 is formed on each of the box body 12 and the box cover 11, the outlet seal 2 is provided on the box body 12, and a portion of the outlet portion 23 of the outlet seal 2 is accommodated in the outlet notch 120 of the box body 12; in the direction from the box main body 12 to the box cover 11, other parts of the wire outlet part 23 protrude from the box main body 12, parts protruding from the box main body 12 can be accommodated in the wire outlet notch 120 on the box cover 11, the box cover 11 is not provided with a matching protrusion 111, and the wire outlet sealing member 2 is not provided with a matching groove 29.

Referring to fig. 10, in some alternative embodiments of the present utility model, the wire outlet 24 includes a receiving hole section 242 and a limiting hole section 243, the electrical control harness is adapted to enter the receiving hole section 242 through the limiting hole section 243, and the electrical control harness is adapted to pass through the receiving hole section 242. In the circumferential direction of the box main body 12, the width of the limiting hole section 243 is smaller than that of the accommodating hole section 242, and the limiting hole section 243 can limit the electric control wire harness, so that the electric control wire harness is prevented from easily falling out of the wire outlet hole 24. For example, the width of the accommodating hole section 242 is smaller than the width of the wire harness assembly 3, and the difference between the width of the accommodating hole section 242 and the width of the wire harness assembly 3 is in the range of 2-3 mm, so that the accommodating hole section 242 can be in interference fit with the wire harness assembly 3, and the tightness between the electric control wire harness and the wire outlet hole 24 is enhanced.

Referring to fig. 10, in some alternative embodiments of the present utility model, the wire outlet hole 24 further includes a guide hole section 241, the guide hole section 241 being located at a side of the limiting hole section 243 remote from the receiving hole section 242, the guide hole section 241 penetrating through a side of the wire outlet portion 23 toward the box cover 11, the guide hole section 241 gradually increasing in width in a circumferential direction of the box main body 12 in a direction from the limiting hole section 243 to the guide hole section 241. The electric control wire harness can be pressed into the accommodating hole section 242 through the guide hole section 241 and the limiting hole section 243 in sequence, and the guide hole section 241 has a guide effect on the electric control wire harness pressed into the accommodating hole section 242.

Through the mutual cooperation of the box main body 12 and the box cover 11, the wire outlet sealing member 2 is extruded, the wire outlet portion 23 can be deformed in the direction from the box cover 11 to the box main body 12, the wire outlet portion 23 can also be deformed in the circumferential direction of the box main body 12, two side walls of the guide hole section 241 are mutually abutted, two side walls of the limiting hole section 243 are mutually abutted, the accommodating hole section 242 is in interference fit with the wire harness assembly 3, so that the gap between the wire harness assembly 3 and the inner wall of the wire outlet hole 24 is reduced, and the tightness of the electric control box 100 is improved.

According to some embodiments of the present utility model, the box cover 11 is connected with the box body through a fastener or welded, so that the stability of connection between the box cover 11 and the box body can be enhanced, thereby ensuring the overall stability of the electronic control box body 1, and the connection mode is simpler.

An electronic control box 100 according to some embodiments of the present utility model is described below with reference to fig. 1-15.

In a first embodiment of the present utility model,

referring specifically to fig. 1-8, in this embodiment, the electronic control box 100 includes: the electric control box body 1, the electric control assembly and the outgoing line sealing piece 2, wherein the electric control box body 1 comprises a box main body 12 and a box cover 11 which are connected, the box main body 12 and the box cover 11 are all independent forming pieces, the box main body 12 and the box cover 11 are connected through fasteners, and the electric control assembly is arranged in the electric control box body 1.

The box main body 12 is internally provided with a containing cavity 13, a plurality of wire outlet notches 120 are formed on the side wall of the containing cavity 13, and the wire outlet notches 120 can penetrate through the side wall of the containing cavity 13. In the circumferential direction of the box main body 12, positioning grooves 123 are formed on opposite side walls of the wire outlet notch 120, portions of the side walls of the wire outlet notch 120 on two sides of the positioning grooves 123 are a first side wall 121 and a second side wall 122, respectively, portions of the side walls of the wire outlet notch 120 on one side of the positioning grooves 123 close to the electric control assembly are the first side wall 121, and portions of the side walls of the wire outlet notch 120 on one side of the positioning grooves 123 away from the electric control assembly are the second side wall 122.

The outgoing line sealing member 2 is arranged on the box main body 12, and the outgoing line sealing member 2 is detachably connected with the box main body 12. The outgoing line sealing member 2 is a rubber member, the outgoing line sealing member 2 includes a plurality of outgoing line portions 23, the plurality of outgoing line portions 23 are arranged at intervals along the circumferential direction of the box main body 12, the plurality of outgoing line portions 23 are in one-to-one correspondence with the plurality of outgoing line notches 120, and the outgoing line portions 23 can be arranged in the corresponding outgoing line notches 120. Each wire outlet portion 23 is provided with a wire outlet hole 24, an avoidance groove 25 is formed in the inner wall of the wire outlet hole 24, and the avoidance groove 25 is communicated with the wire outlet hole 24 and the positioning groove 123. The wire outlet portion 23 is provided with a first limit groove 26 and a second limit groove 27, the first limit groove 26 corresponds to the first side wall 121, the second limit groove 27 corresponds to the second side wall 122, the first side wall 121 is accommodated in the first limit groove 26, the second side wall 122 is accommodated in the second limit groove 27, and the wire outlet portion 23 can be clamped on the side wall of the wire outlet notch 120. The adjacent wire outlet portions 23 are connected by connecting ribs 28, and the connecting ribs 28 are located on the outer wall surface of the box main body 12 and contact with the outer wall surface of the box main body 12.

The outgoing line sealing member 2 comprises two sub outgoing line sealing members 20, the two sub outgoing line sealing members 20 are respectively and independently formed, the two sub outgoing line sealing members 20 are respectively a first sub outgoing line sealing member 21 and a second sub outgoing line sealing member 22, the first sub outgoing line sealing member 21 is provided with a first outgoing line groove 211, and the second sub outgoing line sealing member 22 is provided with a second outgoing line groove 221. The two sub-outlet seals 20 are opposite in the up-down direction, and the first sub-outlet seal 21 is located at the upper side of the second sub-outlet seal 22, the opening of the first outlet groove 211 is toward the second sub-outlet seal 22, and the opening of the second outlet groove 221 is toward the first sub-outlet seal 21. When the first sub-outlet seal 21 and the second sub-outlet seal 22 are opposite in the up-down direction, the first outlet groove 211 and the second outlet groove 221 collectively define an outlet hole 24, and the wire harness assembly 3 is outlet through the outlet hole 24.

The wire harness assembly 3 is plural, the wire harness assembly 3 includes a wire harness member 30 and an electric control wire harness including a plurality of wire bodies. Wherein the two wire harness assemblies 3 comprise two separately wired electric control wire harnesses, and the power of components connected by the two separately wired electric control wire harnesses is different. The wire harness 30 includes a wire harness body 31 and positioning projections 32, the positioning projections 32 being provided on opposite sides of the wire harness body 31. The inner wall of the wire outlet hole 24 is provided with an avoidance groove 25, the avoidance groove 25 is communicated with the wire outlet hole 24 and the positioning groove 123, and the positioning protrusion 32 is accommodated in the avoidance groove 25 and the positioning groove 123. The wire harness body 31 is located in the wire outlet hole 24, the box cover 11 is abutted against the wire outlet portion 23, and the wire outlet portion 23 is extruded, so that a gap between the wire harness body 31 and the inner wall of the wire outlet hole 24 is reduced, and the wire harness body 31 is in interference fit with the wire outlet hole 24. The wire harness body 31 is provided with a wire routing hole 33, the electric control wire is arranged in the wire routing hole 33 in a penetrating mode, and the wire harness body 31 is integrally injection-molded with the electric control wire harness.

When the wire outlet seal 2 and the wire harness assembly 3 are assembled, the second sub-wire outlet seal 22 may be first snap-connected with the box main body 12, and the second sub-seal is in contact with the bottom wall of the accommodation chamber 13; then, the positioning protrusion 32 of the wire harness 30 is inserted into the positioning groove 123, so that the wire harness 30 is connected with the box main body 12 in a clamping way, and a part of the wire harness 30 is accommodated in the second wire outlet groove 221; then, the first sub-outlet seal 21 is connected to the box main body 12 in a clamped manner, a portion of the harness member 30 is accommodated in the first outlet groove 211, the first outlet groove 211 and the second outlet groove 221 are opposed to each other in the up-down direction and form an outlet hole 24, and the harness assembly 3 is led out through the outlet hole 24.

The wire outlet sealing member 2 is pressed by the mutual matching of the box main body 12 and the box cover 11, and the wire outlet sealing member 2 can be elastically deformed under the pressing action so as to seal the gap between the wire harness assembly 3 and the inner wall of the wire outlet hole 24, so that the wire harness assembly 3 is in interference fit with the wire outlet hole 24.

In a second embodiment of the present invention,

referring to fig. 9-12, the present embodiment is substantially identical in structure to the first embodiment, wherein like parts are designated by like reference numerals, except that:

the box body 12 is formed with an outlet notch 120; the outlet seal 2 is an integrally formed piece, and the outlet hole 24 of the outlet seal 2 penetrates through one side of the outlet portion 23 facing the box cover 11. The outlet seal 2 is formed with a fitting groove 29, the fitting groove 29 is adjacent to the outlet notch 120, the box cover 11 is provided with a fitting protrusion 111, and the fitting protrusion 111 is in interference fit with the fitting groove 29 to press the outlet portion 23. In the direction from the case main body 12 to the case cover 11, the widths of the fitting groove 29 and the fitting projection 111 are both increased, the fitting groove 29 is trapezoidal, the shape of the fitting projection 111 is identical to that of the fitting groove 29, and the size of the fitting projection 111 is larger than that of the fitting groove 29, and the hardness of the fitting projection 111 is larger than that of the fitting groove 29.

The wire outlet hole 24 includes a guide hole section 241, a receiving hole section 242, and a limiting hole section 243, the wire harness assembly 3 is adapted to enter through the limiting hole section 243 and pass through the receiving hole section 242, and in the circumferential direction of the box main body 12, the width of the limiting hole section 243 is smaller than the width of the receiving hole section 242, and the width of the receiving hole section 242 is smaller than the width of the wire harness assembly 3; the guide hole section 241 is located on a side of the limiting hole section 243 away from the accommodating hole section 242, the guide hole section 241 penetrates a side of the wire outlet portion 23 toward the box cover 11, and the width of the guide hole section 241 in the circumferential direction of the box main body 12 gradually increases in the direction from the limiting hole section 243 to the guide hole section 241.

The wire harness assembly 3 is conveniently pressed into the wire outlet hole 24 by penetrating the wire outlet hole 24 of the wire outlet sealing member 2 through one side of the wire outlet part 23 facing the box cover 11; through the interference fit of the fitting protrusion 111 and the fitting groove 29, the fitting protrusion 111 presses the wire outlet portion 23 in the circumferential direction of the box main body 12, the wire outlet portion 23 is also deformed in the circumferential direction of the box main body 12, the two side walls of the guide hole section 241 are abutted against each other, the two side walls of the limiting hole section 243 are abutted against each other, and the accommodating hole section 242 is in interference fit with the wire harness assembly 3, so that a gap between the wire harness assembly 3 and the inner wall of the wire outlet hole 24 is sealed, and tightness between the wire harness piece 30 and the inner wall of the wire outlet hole 24 is enhanced.

In a third embodiment of the present invention,

referring to fig. 13-14, the present embodiment is substantially identical in structure to the second embodiment, wherein like parts are designated by like reference numerals, except that: the outlet portion 23 protrudes from the case body 12 in a direction from the case body 12 to the case cover 11, the case cover 11 is not provided with the fitting protrusion 111, and the outlet seal 2 is not provided with the fitting groove 29.

Through the mutual cooperation of box main part 12 and lid 11, extrusion wire portion 23, wire portion 23 can warp in the direction from lid 11 to box main part 12, and wire portion 23 also can warp in the circumference direction of box main part 12 for the both sides wall of guiding hole section 241 butt each other, and the both sides wall of spacing hole section 243 butt each other, hold hole section 242 and wire harness assembly 3 interference fit, in order to realize reducing the clearance between wire harness assembly 3 and the inner wall of wire hole 24, improve the leakproofness of automatically controlled box 100.

In a fourth embodiment of the present invention,

referring to fig. 15, this embodiment is substantially identical in structure to the third embodiment, wherein like parts are designated by like reference numerals, except that: the box main body 12 and the box cover 11 are provided with an outgoing line notch 120, the outgoing line sealing member 2 is arranged on the box main body 12, and the outgoing line part 23 of the outgoing line sealing member 2 is positioned at the outgoing line notch 120 of the box main body 12; in the direction from the box main body 12 to the box cover 11, other parts of the wire outlet portion 23 protrude from the box main body 12, and parts protruding from the box main body 12 may be located in the wire outlet notch 120 on the box cover 11.

Referring to fig. 15, an outdoor unit according to an embodiment of the second aspect of the present utility model includes: an outdoor unit casing, an outdoor heat exchanger, an outdoor fan, a compressor assembly, and an electronic control box 100 according to the above-described first aspect of the present utility model; the outdoor heat exchanger, the outdoor fan, the compressor assembly and the electric control box 100 are all arranged in the outdoor machine shell, so that the whole structure of the outdoor machine is compact. For example, the electrical control components within the electrical control box 100 may be electrically connected to the outdoor heat exchanger, the outdoor fan, and the compressor components via the wiring harness assembly 3, and the electrical control components may control the outdoor heat exchanger, the outdoor fan, and the compressor components, such as the electrical control components supplying power to the outdoor heat exchanger, the outdoor fan, and the compressor components via the wiring harness assembly 3.

The refrigerant adopted by the outdoor unit is a combustible refrigerant, and the tightness between the wire harness assembly 3 and the inner wall of the wire outlet hole 24 is enhanced, so that the tightness of the electric control box 100 is enhanced, and the risk that the combustible refrigerant leaks into the electric control box 100 to cause explosion can be reduced.

According to the outdoor unit provided by the embodiment of the utility model, by arranging the electric control box 100, the elastic wire outlet sealing member 2 is arranged on the electric control box body 1, the wire outlet hole 24 is arranged on the wire outlet sealing member 2, the wire outlet sealing member 2 is extruded by utilizing the mutually matched acting force of the box main body 12 and the box cover 11, the wire outlet sealing member 2 can be elastically deformed under the extrusion action, the gap between the wire harness assembly 3 and the inner wall of the wire outlet hole 24 can be reduced, the wire harness assembly 3 is in interference fit with the wire outlet hole 24, the tightness between the wire harness assembly 3 and the inner wall of the wire outlet hole 24 is enhanced, the tightness of the electric control box 100 is enhanced, dust or liquid and the like are prevented from entering the electric control box 100 from the gap, a leaked refrigerant is prevented from entering the electric control box 100 from the gap, and potential safety hazards are reduced.

An embodiment of the heating and ventilation device according to the third aspect of the present utility model includes: according to the outdoor unit of the second embodiment of the present utility model. The heating and ventilation equipment can be an air conditioning system, a heat pump system and the like.

According to the heating ventilation equipment provided by the embodiment of the utility model, by arranging the outdoor unit, the elastic wire outlet sealing piece 2 is arranged on the electric control box body 1, the wire outlet hole 24 is arranged on the wire outlet sealing piece 2, the wire outlet sealing piece 2 is extruded by utilizing the mutually matched acting force of the box main body 12 and the box cover 11, the wire outlet sealing piece 2 can be elastically deformed under the extrusion action, the gap between the wire harness assembly 3 and the inner wall of the wire outlet hole 24 can be reduced, the wire harness assembly 3 is in interference fit with the wire outlet hole 24, the tightness between the wire harness assembly 3 and the inner wall of the wire outlet hole 24 is enhanced, the tightness of the electric control box 100 is enhanced, dust or liquid and the like are prevented from entering the electric control box 100 from the gap, a leaked refrigerant is prevented from entering the electric control box 100 from the gap, and potential safety hazards can be reduced.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, "plurality" means two or more.

In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

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

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. An electronic control box, characterized by comprising:

the electric control box body comprises a box main body and a box cover which are connected, wherein the box main body and the box cover are independent forming parts;

the electric control assembly is arranged in the electric control box body;

the wire outlet sealing piece is arranged on at least one of the box main body and the box cover, is provided with a wire outlet hole and is an elastomer, and a wire harness assembly electrically connected with the electric control assembly is used for leading wires from the wire outlet hole;

the wire harness assembly comprises a wire harness piece and an electric control wire harness, wherein the wire harness piece is used for fixing the electric control wire harness, the wire harness piece is located in the wire outlet hole, and the wire outlet sealing piece is extruded through the mutual matching of the box main body and the box cover so as to reduce a gap between the wire harness assembly and the inner wall of the wire outlet hole and seal the gap between the wire harness piece and the inner wall of the wire outlet hole.

2. The electrical control box of claim 1, wherein the outlet seal is a rubber member.

3. The electrical control box of claim 1, wherein the outlet seal is integrally formed on the box cover or the box body; alternatively, the outgoing line sealing member is bonded to at least one of the box main body and the box cover; alternatively, the outlet seal is removably coupled to at least one of the cartridge body and the cartridge cover.

4. The electrical control box of claim 3, wherein the wire harness is integrally injection molded to the electrical control wire harness.

5. The electrical control box of claim 3, wherein the electrical harness assembly is at least one, the electrical harness of at least one of the harness assemblies comprising a plurality of wire bodies.

6. The electrical control box of claim 3, wherein at least one of the harness assemblies comprises two separate electrical control harnesses, and the electrical control harnesses of the two separate harnesses are connected with different power.

7. The electronic control box according to claim 1, wherein an outlet notch is formed in at least one of the box main body and the box cover, the outlet seal member includes an outlet portion formed with the outlet hole, and at least a portion of the outlet portion is located in the outlet notch.

8. The electronic control box according to claim 7, wherein the wire outlet notch is formed in the box main body, the wire outlet portion protrudes from the box main body in a direction from the box main body to the box cover, the box cover abuts against the wire outlet portion, and the wire outlet portion is pressed to seal a gap between the wire harness assembly and an inner wall of the wire outlet hole.

9. The electrical control box of claim 8, wherein the box cover abuts against the wire outlet portion to press the wire outlet portion to seal a gap between the wire harness and an inner wall of the wire outlet hole, and the wire outlet sealing member is snap-connected with the box main body.

10. The electrical control box according to claim 8, wherein positioning grooves are formed in opposite side walls of the wire outlet notch, the wire harness member comprises a wire harness member body and positioning protrusions arranged on opposite sides of the wire harness member body, the wire harness member body is located in the wire outlet hole, the box cover is abutted with the wire outlet portion, the wire outlet portion is extruded to seal a gap between the wire harness member body and the inner wall of the wire outlet hole, an avoidance groove is formed in the inner wall of the wire outlet hole, the avoidance groove is communicated with the wire outlet hole and the positioning grooves, and the positioning protrusions are accommodated in the avoidance groove and the positioning grooves.

11. The electronic control box according to claim 10, wherein the portions of the side walls of the wire outlet notch located at both sides of the positioning groove are a first side wall and a second side wall, the wire outlet portion is formed with a first limit groove and a second limit groove, the first side wall is accommodated in the first limit groove, and the second side wall is accommodated in the second limit groove.

12. The electrically controlled cassette of claim 8, wherein the wire outlet seal comprises a plurality of wire outlet portions arranged at intervals along the circumferential direction of the cassette body, adjacent wire outlet portions being connected by connecting ribs, the connecting ribs being located outside the cassette body and in contact with or connected to the outer wall surface of the cassette body.

13. The electrical control box of claim 8, wherein the outlet seal comprises two separately formed sub-outlet seals that together define the outlet.

14. The electronic control box according to claim 7, wherein the wire outlet notch is formed in the box main body, and the wire outlet hole penetrates through a side of the wire outlet portion facing the box cover.

15. The electrical control box of claim 14, wherein the outlet seal has a mating groove formed thereon, the mating groove being adjacent to the outlet notch, the box cover having a mating protrusion, the mating protrusion being in interference fit with the mating groove to compress the outlet portion.

16. The electronic control box of claim 15, wherein said mating protrusion is integrally formed with said box cover; or the matching bulge is adhered or clamped with the box cover.

17. The electronic control box according to claim 15, wherein the widths of the fitting groove and the fitting projection both increase in a direction from the box main body to the box cover.

18. The electrical control box of claim 14, wherein the wire outlet hole comprises a receiving hole section and a limiting hole section, the electrical control harness being adapted to enter through the limiting hole section and pass through the receiving hole section, the limiting hole section having a width in a circumferential direction of the box body that is smaller than a width of the receiving hole section.

19. The electronic control box according to claim 18, wherein the wire outlet hole further includes a guide hole section located on a side of the limit hole section away from the accommodation hole section, the guide hole section penetrating through a side of the wire outlet portion toward the box cover, the guide hole section gradually increasing in width in a circumferential direction of the box main body in a direction from the limit hole section to the guide hole section.

20. The electrically controlled cassette of any one of claims 1-19, wherein the cassette cover is connected to the cassette body by fasteners or welding.

21. An outdoor unit, comprising:

an outdoor housing;

the outdoor heat exchanger and the outdoor fan are arranged in the outdoor machine shell;

the compressor component is arranged in the outdoor machine shell;

the electronic control box according to any one of claims 1-20, disposed within the outdoor enclosure.

22. The outdoor unit of claim 21, wherein the refrigerant is a flammable refrigerant.

23. A heating ventilation apparatus, comprising: the outdoor unit of claim 21 or 22.