Electric appliance box and air conditioner

Abstract

The utility model relates to the technical field of air conditioners and discloses an electric appliance box and an air conditioner. The electric appliance box comprises a box body which is provided with a wire outlet groove for a wire harness to pass through; the fire blocking rib is arranged on the groove bottom wall of the wire outlet groove and protrudes out of the groove bottom wall of the wire outlet groove, so that the fire blocking rib has the effect of isolating the wire outlet groove from the external space of the wire outlet groove, and fire or smoke in the external space of the wire outlet groove can be prevented from being conducted into the wire outlet groove and flowing along the wire outlet groove; or the fire or smoke in the wire outlet groove is prevented from being quickly conducted to the external space of the wire outlet groove, the conduction speed of the fire or smoke is reduced, and the use safety of the electric appliance box is improved.

Description

Technical Field

[0001] This application relates to the field of air conditioning technology, specifically to an electrical box and an air conditioner. Background Technology

[0002] The electrical box contains an electrical control board, which is connected to various wire harnesses, which in turn are electrically connected to external components of the electrical box.

[0003] During use, such as when the ambient temperature is high or the machine power is high, the components connected to the wiring harness are prone to catching fire or the electrical control box is prone to catching fire, which affects the safety of machine use.

[0004] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this application, and therefore may include information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0005] To provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. This summary is not intended as a general commentary, nor is it intended to identify key / important components or describe the scope of protection of these embodiments, but rather as a prelude to the detailed description that follows.

[0006] This disclosure provides an electrical box and an air conditioner to improve the safety of machine use.

[0007] According to a first aspect of the present invention, an electrical box is provided, comprising: a box body having a cable outlet groove for wire harnesses to pass through; and a fire baffle rib disposed on the bottom wall of the cable outlet groove and protruding from the bottom wall of the cable outlet groove.

[0008] Optionally, the fire baffle is higher than the outlet of the cable tray.

[0009] Optionally, the sidewall of the cable tray includes a first sidewall and a second sidewall disposed opposite to each other; the electrical box further includes: a limiting rib, disposed between the first sidewall and the second sidewall, and having a gap between the limiting rib and the first sidewall and / or the second sidewall for the cable harness to pass through; the first sidewall, the second sidewall and the limiting rib together enclose the cable outlet.

[0010] Optionally, the fire baffle rib contacts the side wall of the cable outlet trough.

[0011] Optionally, the fire baffle includes: a first baffle segment, one end of which is connected to the side wall of the cable outlet groove; and a second baffle segment, which is connected to the other end of the first baffle segment, with the connection forming an angle.

[0012] Optionally, the orthographic projection of the first rib segment and / or the second rib segment onto the outlet of the cable trough is at least partially located within the outlet.

[0013] Optionally, the second reinforcing segment is located on the side of the first reinforcing segment facing or away from the outlet.

[0014] Optionally, the fire baffle is located on the side of the cable outlet facing the inside of the box, and the fire baffle extends along the cable outlet direction and forms part of the side wall of the cable outlet groove.

[0015] Optionally, the enclosure is provided with multiple cable outlet slots, and fire baffles are placed between the multiple cable outlet slots to separate them.

[0016] According to a second aspect of the present invention, an air conditioner is provided, comprising the electrical box described in any of the above embodiments.

[0017] The electrical box and air conditioner provided in this disclosure can achieve the following technical effects:

[0018] The wiring harness inside the box passes through the cable outlet slot, thus realizing the routing of the wiring harness.

[0019] The fire baffle is installed on the bottom wall of the cable outlet trough and protrudes from the bottom wall of the cable outlet trough, so that the fire baffle can isolate the cable outlet trough from the external space of the cable outlet trough. This can prevent fire or smoke in the external space of the cable outlet trough from being conducted into the cable outlet trough and flowing along the cable outlet trough, or prevent fire or smoke in the cable outlet trough from being quickly conducted into the external space of the cable outlet trough, thereby reducing the conduction speed of fire or smoke and improving the safety of the electrical box.

[0020] The above general description and the description below are exemplary and illustrative only and are not intended to limit this application. Attached Figure Description

[0021] One or more embodiments are illustrated by way of example with reference to the accompanying drawings. These illustrations and drawings do not constitute a limitation on the embodiments. Elements having the same reference numerals in the drawings are shown as similar elements. The drawings are not to be scaled. And wherein:

[0022] Figure 1 This is a schematic diagram of the structure of an electrical box provided in an embodiment of this disclosure;

[0023] Figure 2 yes Figure 1 Enlarged structural diagram of section A in the middle;

[0024] Figure 3 This is a schematic diagram of another electrical box provided in an embodiment of this disclosure;

[0025] Figure 4 This is a schematic diagram of the structure of another electrical box provided in an embodiment of this disclosure.

[0026] Figure label:

[0027] 10: Cabinet; 101: Cable outlet; 1011: First cable outlet; 1012: Second cable outlet; 1013: Third cable outlet; 1014: Fourth cable outlet; 102: Cable outlet; 1021: First cable outlet; 1022: Second cable outlet; 1023: Third cable outlet; 103: First side wall; 104: Second side wall; 105: Box body; 106: Mounting cavity;

[0028] 20: Fire baffle; 201: First fire baffle; 202: Second fire baffle; 203: Third fire baffle; 204: First baffle segment; 205: Second baffle segment; 206: Fourth fire baffle;

[0029] 301: First limiting reinforcement; 3011: Connecting part; 3012: Limiting part; 302: Second limiting reinforcement; 303: Third limiting reinforcement. Detailed Implementation

[0030] To provide a more detailed understanding of the features and technical content of the embodiments of this disclosure, the implementation of the embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. The accompanying drawings are for illustrative purposes only and are not intended to limit the embodiments of this disclosure. In the following technical description, for ease of explanation, several details are used to provide a full understanding of the disclosed embodiments. However, one or more embodiments may still be implemented without these details. In other cases, well-known structures and devices may be simplified in their depiction to simplify the drawings.

[0031] The terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this disclosure described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0032] In this disclosure, the terms "upper," "lower," "inner," "middle," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for better description of the embodiments of this disclosure and their implementations, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to require them to be constructed and operated in a specific orientation. Furthermore, some of the aforementioned terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may in some cases indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in the embodiments of this disclosure according to the specific circumstances.

[0033] Furthermore, the terms "set up," "connect," and "fix" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this disclosure according to the specific circumstances.

[0034] Unless otherwise stated, the term "multiple" means two or more.

[0035] In this embodiment of the disclosure, the character " / " indicates that the objects before and after it are in an "or" relationship. For example, A / B means: A or B.

[0036] The term "and / or" describes an association between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or A and B.

[0037] It should be noted that, unless otherwise specified, the embodiments and features described in the present disclosure can be combined with each other.

[0038] Combination Figure 1-4 As shown in the figure, this embodiment of the present disclosure provides an electrical box, which includes a box body 10 and a fire baffle 20.

[0039] The housing 10 is provided with a cable outlet groove 101 through which the wire harness passes; the fire baffle 20 is provided on the bottom wall of the cable outlet groove 101 and protrudes from the bottom wall of the cable outlet groove 101.

[0040] The wiring harness inside the housing 10 passes through the cable outlet groove to realize the routing of the wiring harness.

[0041] like Figure 1 As shown, the housing 10 includes a box body 105 and a cover that is disposed at the open end of the box body. The box body defines a mounting cavity 106, in which electrical components, such as an electrical control board, are disposed. The housing 10 is provided with a cable outlet, for example, the cable outlet is disposed at the open end of the box body.

[0042] like Figure 1 , Figure 3 and Figure 4As shown, there are multiple cable outlet slots, including a first cable outlet slot 1011 and a second cable outlet slot 1012. Each cable outlet slot has a cable outlet; one end of the cable bundle is connected to an electrical component, and the other end of the cable bundle passes through the cable outlet slot and exits through the outlet. The outlet of the first cable outlet slot 1011 is the first outlet slot 1021, and the outlet of the second cable outlet slot 1012 is the second outlet slot 1022. The first cable outlet slots 1011 and the second cable outlet slots 1012 are arranged sequentially along the circumference of the housing 10. The wiring harness includes a first wire and a second wire. The first wire is disposed in a first cable tray 1011 and exits the electrical box through a first cable outlet 1021. The second wire is disposed in a second cable tray 1012 and exits the electrical box through a second cable outlet 1022. The first cable tray 1011 is used to limit the first wire, and the second cable tray 1012 is used to limit the second wire, so as to realize the independent routing of the first wire and the second wire, avoiding them from sticking together or getting tangled. Especially when the first wire and the second wire have different strengths, the first cable tray 1011 and the second cable tray 1012 can realize the independent routing of high-voltage and low-voltage wires, avoiding interference and influence of high-voltage wires on low-voltage wires, ensuring the stability of the electrical control box operation, and improving safety.

[0043] The fire baffle is installed on the bottom wall of the cable outlet groove and protrudes from the bottom wall of the cable outlet groove, such as... Figure 1 , Figure 3 and Figure 4 As shown, the fire baffle includes a first fire baffle 201 and a second fire baffle 202. The first fire baffle 201 is located on the bottom wall of the first cable outlet trough 1011 and protrudes from the bottom wall of the first cable outlet trough 1011. The second fire baffle 202 is located on the bottom wall of the second cable outlet trough 1012 and protrudes from the bottom wall of the second cable outlet trough 1012. The fire baffle protrudes from the bottom wall of the cable outlet trough, thus isolating the cable outlet trough from the external space. This prevents fire or smoke in the external space of the cable outlet trough from being conducted into the cable outlet trough and flowing along it, or prevents fire or smoke in the cable outlet trough from being quickly conducted to the external space of the cable outlet trough, reducing the conduction speed of fire or smoke and improving the safety of the electrical box.

[0044] Optionally, the fire baffle is higher than the outlet of the cable tray in which it is located.

[0045] This design allows the fire baffle to block the outlet, so that when a fire starts inside the enclosure 10, the fire baffle can prevent fire or smoke from being conducted to the outlet through the fire baffle, or when a fire starts outside the enclosure 10, the fire baffle can prevent fire or smoke from being conducted to the fire baffle through the outlet, thereby preventing fire or smoke from being conducted to the inside of the enclosure 10.

[0046] If the fire baffle is lower than the outlet of the cable tray it is located in, for example, the first fire baffle 201 is higher than the first outlet 1021, and the second fire baffle 202 is higher than the second outlet 1022, when a fire breaks out inside or outside the housing 10, the fire or smoke will pass through the gap in the height direction between the outlet and the fire baffle, causing the fire or smoke to be conducted between the inside and outside of the housing 10.

[0047] Optionally, such as Figures 1 to 4 As shown, the sidewall of the cable tray includes a first sidewall 103 and a second sidewall 104 disposed opposite to each other; the electrical box also includes a limiting rib, which is disposed between the first sidewall 103 and the second sidewall 104, and a gap is provided between the limiting rib and the first sidewall 103 and / or the second sidewall 104 for the cable harness to pass through.

[0048] The first side wall 103, the second side wall 104, and the limiting ribs together enclose the outlet.

[0049] The limiting rib is connected to the first side wall 103 and has a gap with the second side wall 104; alternatively, the limiting rib is connected to the second side wall 104 and has a gap with the first side wall 103. When it is necessary to install or remove the wire harness, the wire harness is inserted into the outlet through the gap or taken out from the outlet through the gap.

[0050] The free end of the limiting rib is provided with a guide slope, which is inclined towards the center of the gap along the direction of wire harness insertion into the outlet. The guide slope has a guiding function when inserting the wire harness into the outlet, so as to reduce the difficulty of wire harness installation and improve installation efficiency.

[0051] Alternatively, the free end of the limiting rib is provided with a notch, which on the one hand increases the area of ​​the gap, and on the other hand increases the elasticity of the limiting rib, so that the wire harness can be smoothly inserted into or pulled out of the outlet, which facilitates the installation of the wire harness.

[0052] The limiting rib includes a connecting part 3011 and a limiting part 3012. The connecting part 3011 is connected to the limiting part 3012 and the connection is bent. One end of the connecting part 3011 is connected to the first side wall 103 or the second side wall 104, and the other end is connected to one end of the limiting part 3012. A guide slope or notch is provided at the free end of the limiting part 3012.

[0053] The fire baffle is higher than the cable outlet of the cable outlet groove; for example, the fire baffle is higher than the limiting baffle. Figure 4 As shown, the upper wall surface of the fire baffle is higher than the bottom wall surface of the limiting rib.

[0054] There are multiple limiting ribs, including a first limiting rib 301 and a second limiting rib 302. The first limiting rib 301, together with the first side wall 103 and the second side wall 104 of the first cable outlet 1011, forms the first cable outlet 1021. The second limiting rib 302, together with the first side wall 103 and the second side wall 104 of the second cable outlet 1012, forms the second cable outlet 1022.

[0055] The first sidewall 103 or the second sidewall 104 and the limiting rib are integrally formed, which can improve the connection strength of the limiting rib.

[0056] The limiting rib is used to limit the wire harness and prevent it from coming out of the wire outlet groove.

[0057] Optionally, the fire baffle rib contacts the side wall of the cable outlet trough.

[0058] like Figures 1 to 3 As shown, the bottom of the fire baffle is located on the bottom wall of the cable outlet groove, and the side wall of the fire baffle is in contact with the side wall of the cable outlet groove. This prevents fire or smoke from passing through the gap between the side wall of the fire baffle and the side wall of the cable outlet groove, thus achieving the purpose of fire prevention and smoke prevention and ensuring the safety of the electrical box operation.

[0059] Optionally, such as Figure 1 and Figure 2 As shown, the fire baffle includes a first baffle segment 204 and a second baffle segment 205. One end of the first baffle segment 204 is connected to the side wall of the cable outlet groove.

[0060] The second reinforcing bar segment 205 is connected to the other end of the first reinforcing bar segment 204, and the connection point forms a bend.

[0061] There is an angle between the first rib segment 204 and the second rib segment 205, meaning that the fire baffle is not a straight structure. This increases the resistance to the flow of fire or smoke along the fire baffle, thereby blocking the smoke or fire, reducing the transmission speed of smoke or fire, and protecting the electrical box.

[0062] The first rib segment 204 and the second rib segment 205 are arranged sequentially along the wiring direction of the wire harness. The first rib segment 204 is connected to the side wall of the wire outlet groove. For example, one end of the first rib segment 204 is in direct contact with the side wall of the wire outlet groove to avoid gaps between the first rib segment 204 and the side wall of the wire outlet groove.

[0063] Optionally, the orthographic projection of the first rib segment 204 and / or the second rib segment 205 onto the outlet of the cable outlet groove is at least partially located within the outlet.

[0064] The orthographic projection of the first rib segment 204 onto the outlet of the cable tray is at least partially located inside the outlet, allowing the first rib segment 204 to block the outlet and prevent fire or smoke from being transmitted to the outlet via the first rib segment 204, thus hindering the transmission of fire or smoke. In conjunction with the fire baffle rib being higher than the outlet, fire or smoke inside the housing 10 is prevented from being transmitted to the outlet via the fire baffle rib.

[0065] The orthographic projection of the second rib section 205 onto the outlet of the cable tray is at least partially located inside the outlet, allowing the second rib section 205 to block the outlet and prevent fire or smoke from being transmitted to the outlet via the second rib section 205, thus hindering the transmission of fire or smoke. Combined with the fire baffle rib being higher than the outlet, this prevents fire or smoke inside the housing 10 from being transmitted to the outlet via the fire baffle rib.

[0066] like Figure 1 and Figure 2 In the first baffle and the first baffle segment 204 of the second baffle are both inclined. For example, in the direction from the outside to the inside, the direction closer to the inside of the housing 10 is the inside, and the direction away from the inside of the housing 10 is the outside. The first baffle segment 204 is inclined in the direction closer to the axis of the outlet. On the one hand, it can make the orthographic projection of the first baffle segment 204 on the outlet of the outlet groove at least partially located inside the outlet. On the other hand, it can make the second baffle segment 205 block the outlet as much as possible. Even if the length of the second baffle segment 205 is relatively short, it can still satisfy the requirement that the orthographic projection of the second baffle segment 205 on the outlet of the outlet groove at least partially located inside the outlet.

[0067] The first reinforcement segment 204 can also be set without inclination, such as... Figure 1 In the middle, the first rib segment 204 of the third fire baffle can be set without tilting. At this time, the first rib segment 204 is perpendicular to the plane where the outlet is located, and the orthographic projection of the first rib segment 204 on the outlet of the outlet groove is located outside the outlet.

[0068] In a specific embodiment, such as Figure 1 In the middle, the second rib segment 205 of the first and second fire-blocking ribs is located on the side of the first rib segment 204 facing the outlet. For example... Figure 1 In the first fire baffle, the second section 205 is located on the side of the first section 204 facing the outlet (first outlet), and the second section 205 of the second fire baffle is located on the side of the first section 204 facing the outlet (second outlet).

[0069] In this way, the orthographic projection of the second rib section 205 on the outlet of the cable tray is at least partially located inside the outlet, so that the second rib section 205 can block the outlet and prevent fire or smoke from being conducted to the box 10 through the outlet or from the box 10 through the outlet.

[0070] In one specific embodiment, the second rib segment 205 is located on the side of the first rib segment 204 opposite to the outlet, thus preventing the second rib segment 205 from obstructing the outlet and facilitating the insertion or removal of the wire harness from the outlet slot. For example... Figure 1 The fire baffle at point B has its second section 205 located on the side of the first section 204 away from the outlet (third outlet), thus preventing the second section 205 from blocking the outlet (third outlet).

[0071] Optionally, such as Figures 1 to 3 In the middle, the fire baffle is located on the side of the outlet facing the inside of the box 10, that is, the fire baffle is located on the inside of the outlet. The direction closer to the inside of the box 10 is called the inside, and the direction farther away from the inside of the box 10 is called the outside.

[0072] The fire baffle extends along the direction of the cable outlet and forms part of the sidewall of the cable outlet groove.

[0073] Generally speaking, the wire harness has a flexible structure. When the wire harness bends at the end of the fire baffle away from the outlet, the fire baffle can hinder the conduction of smoke or fire and reduce the conduction speed of smoke or fire.

[0074] like Figure 1 and Figure 3 In the case, multiple cable outlets include a third cable outlet 1013, and the cable outlet of the third cable outlet 1013 is a third cable outlet 1023. The wiring harness also includes a third wire, which is disposed in the third cable outlet 1013 and exits the housing 10 through the third cable outlet 1023.

[0075] The multiple limiting ribs include a third limiting rib 303. The sidewall of the third cable outlet trough 1013 includes a first sidewall 103 and a second sidewall 104. The third limiting rib 303 is located between the first sidewall 103 and the second sidewall 104 of the third cable outlet trough 1013, and a gap is provided between the third limiting rib 303 and the first sidewall 103 and / or the second sidewall 104 for the third wire to pass through. That is, the first sidewall 103, the second sidewall 104 and the third limiting rib 303 of the third cable outlet trough 1013 together enclose the cable outlet.

[0076] The fire baffle includes a third fire baffle 203, which is located on the bottom wall of the third cable outlet 1013 and on the side of the third cable outlet 1023 facing the inside of the housing 10. The third fire baffle 203 extends along the cable outlet direction of the third cable and forms part of the side wall of the third cable outlet 1013. When the third cable is located in the third cable outlet 1013, the third fire baffle 203 is located on the side of the third cable facing the inside of the housing 10. The third fire baffle 203 is located on the second side wall 104 of the third cable outlet 1013 and is in contact with the second side wall 104. When the third wire extends from the box 10 into the third cable outlet 1013, it needs to be bent at the end of the third fire baffle 203 away from the third cable outlet 1023. As a result, when the fire or smoke is conducted through the third cable outlet 1013, the direction of conduction needs to be deflected when passing the end of the third fire baffle 203 away from the third cable outlet 1023. Thus, the third fire baffle 203 can prevent the fire or smoke at the third cable outlet 1023 from entering the box 10 or prevent the fire or smoke in the box 10 from entering the third cable outlet 1023.

[0077] Among them, such as Figures 1 to 3 In this configuration, at least two of the multiple outlets have different outgoing directions. For example, the first outlet 1021 and the second outlet 1022 have roughly the same outgoing direction, while the third outlet 1023 has a different outgoing direction from both the first outlet 1021 and the second outlet 1022. This allows different wire bundles to extend from the housing 10 in different directions. In particular, when the strength of the third wire is different from that of the first wire, it enables the high-voltage and low-voltage lines to be led out from different directions, preventing the wire bundles from piling up at the outlet of the cable tray and causing interference harmonics due to the close proximity of the high-voltage and low-voltage lines, which would affect signal transmission.

[0078] Optionally, the fire baffle is located on the inside of the outlet.

[0079] An electrical control board is installed inside the enclosure 10, making it easier for fire to start inside the enclosure 10. The fire baffle is located inside the outlet and can prevent fire and smoke from being conducted to the outlet through the fire baffle, thus preventing the fire from spreading to the outside of the enclosure 10.

[0080] Optionally, such as Figures 1 to 3 In the middle, the box body 10 is provided with multiple cable outlet slots, and fire baffles are placed between the multiple cable outlet slots to separate them.

[0081] The multiple cable trays prevent cable bundles from piling up at the outlets and causing interference. Fire baffles are placed between adjacent cable trays, which not only prevent the transmission of fire or smoke, but also allow for separate routing of high-voltage, high-voltage, and low-voltage cables. This avoids interference and impacts caused by high-voltage and low-voltage cables being too close together, thus ensuring the stability of the control box and improving safety.

[0082] The second rib segment 205 of the first fire baffle is located on the side of the first rib segment 204 facing the outlet (first outlet). Multiple outlet slots include a fourth outlet slot 1014, and the fire baffle includes a fourth fire baffle 206. The fourth fire baffle 206 is located on the bottom wall of the fourth outlet slot 1014 and protrudes from the bottom wall of the fourth outlet slot 1014. The wiring harness includes a fourth wire. The fourth wire extends from inside the housing 10 and may bend when passing through the fourth fire baffle 206. Therefore, the fourth fire baffle 206 may also extend along the outlet direction of the fourth wire and form part of the sidewall of the fourth outlet slot 1014. When the fourth wire is located in the fourth outlet slot 1014, the fourth fire baffle 206 is located on the side of the fourth wire facing the interior of the housing 10.

[0083] In one specific embodiment, the first wire is low voltage, the second wire is high voltage, the third wire is extra high voltage, and the fourth wire is low voltage.

[0084] According to a second aspect of the present invention, an air conditioner is provided, comprising the electrical box described in any of the above embodiments.

[0085] An air conditioner consists of an indoor unit and an outdoor unit that are connected together. The electrical box can be located in either the indoor or outdoor unit.

[0086] The air conditioner provided in the second aspect of this utility model includes an electrical box as described in any of the above embodiments, and therefore has all the beneficial effects of the electrical box as described in any of the above embodiments, which will not be repeated here.

[0087] The foregoing description and accompanying drawings fully illustrate embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the order of operation may vary. Parts and features of some embodiments may be included or substituted for parts and features of other embodiments. Embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from its scope. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An electrical box, characterized by, The utility model relates to an electric appliance box, comprising: a box body provided with a wire outlet slot through which a wire harness passes; a fireproof rib provided on a slot bottom wall of the wire outlet slot and protruding from the slot bottom wall, the slot side wall of the wire outlet slot comprising a first side wall and a second side wall arranged oppositely; a limiting rib provided between the first side wall and the second side wall, the limiting rib comprising a connecting portion and a limiting portion, the connecting portion being connected to the limiting portion and the connection forming a bend; wherein the fireproof rib is provided on a side of the wire outlet opening towards the inside of the box body, the fireproof rib extending in the wire outlet direction and constituting part of the slot side wall of the wire outlet slot, so that when the wire harness extends into the wire outlet slot from the inside of the box body, a bend occurs at an end of the fireproof rib away from the wire outlet opening.

2. The electric appliance box according to claim 1, wherein the fireproof rib is higher than the wire outlet opening of the wire outlet slot.

3. The electric appliance box according to claim 1, wherein a gap through which the wire harness passes is provided between the limiting rib and the first side wall and / or the second side wall; the first side wall, the second side wall and the limiting rib collectively enclose the wire outlet opening.

4. The electric appliance box according to claim 1, wherein the fireproof rib is in contact with the side wall of the wire outlet slot.

5. The electrical box of Claim 1, wherein, The fireproof rib comprises: a first rib segment, one end of the first rib segment being connected to the side wall of the wire outlet slot; a second rib segment connected to the other end of the first rib segment and the connection forming an angle.

6. The electric appliance box according to claim 5, wherein the orthographic projection of the first rib segment and / or the second rib segment on the wire outlet opening of the wire outlet slot is at least partially located in the wire outlet opening.

7. The electric appliance box according to claim 5, wherein the second rib segment is located on a side of the first rib segment towards or away from the wire outlet opening.

8. The electric appliance box according to claim 1, wherein the fireproof rib is provided on a side of the wire outlet opening towards the inside of the box body, the fireproof rib extending in the wire outlet direction and constituting part of the slot side wall of the wire outlet slot.

9. The electric appliance box according to any one of claims 1 to 8, wherein the box body is provided with a plurality of wire outlet slots, and the fireproof rib is provided between the plurality of wire outlet slots to separate the plurality of wire outlet slots.

10. An air conditioner characterized by comprising: The utility model relates to an electric appliance box, comprising: the electric appliance box according to any one of claims 1 to 9.

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