CN210641255U - Electrical apparatus box, air conditioner indoor unit and air conditioner - Google Patents

Electrical apparatus box, air conditioner indoor unit and air conditioner Download PDF

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Publication number
CN210641255U
CN210641255U CN201921367397.2U CN201921367397U CN210641255U CN 210641255 U CN210641255 U CN 210641255U CN 201921367397 U CN201921367397 U CN 201921367397U CN 210641255 U CN210641255 U CN 210641255U
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China
Prior art keywords
box body
current
electrical
box
main body
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CN201921367397.2U
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Chinese (zh)
Inventor
罗袁伟
张奇
黎优霞
张福臣
李成俊
梁博
陈志伟
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Gree Electric Appliances Inc of Zhuhai
Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201921367397.2U priority Critical patent/CN210641255U/en
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Abstract

The utility model relates to an electrical box, an air conditioner inner unit and an air conditioner, wherein the electrical box comprises a box body main body, an electrical element and a flow guide assembly; the electrical element is arranged in the box body main body, a first surface of the electrical element faces to a first side wall of the box body main body, and the box body main body is provided with a grounding structure; one end of the flow guide assembly is arranged between the first surface of the electrical element and the first side wall of the box body main body, the other end of the flow guide assembly is connected with the grounding structure, and the flow guide assembly can conduct the current which is generated by the electrical element and exceeds a preset current value to the grounding structure. The danger such as high temperature and fire caused by current aggregation is prevented, and the stability, safety and reliability of the electrical box are improved; moreover, the safety, stability and reliability of electrical equipment such as an air conditioner, a refrigerator and the like applying the electrical box are improved.

Description

Electrical apparatus box, air conditioner indoor unit and air conditioner
Technical Field
The utility model relates to the technical field of household appliances, especially, relate to an electrical apparatus box, air conditioner indoor unit and air conditioner.
Background
Present split type hanging machine air conditioner indoor set electrical apparatus box is in the use, because walk the needs of line and after-sale maintenance, the electrical apparatus box can't be done completely sealedly, there is the dust, moisture, the foreign matter (like cockroach, gecko etc.) can get into inside the electrical apparatus box, if the insurance on the electrical apparatus box PCB board became invalid this moment, the dust, moisture, the foreign matter can arouse that the heavy current position on the PCB takes place the short circuit and draws the arc, the short circuit draws the arc and can produce heavy current in the twinkling of an eye, this electric current can direct action on the electrical apparatus box surface, thereby arouse that electrical apparatus box surface part produces very high temperature, then arouse the electrical apparatus box to. Therefore, when the fireproof performance of the electrical box is evaluated, the situation needs to be simulated to carry out a continuous short circuit arc discharge experiment, so that the short circuit arc discharge phenomenon is ensured to be generated in the using process, the electrical box can not be ignited, and the reliability of the quality of the electrical box can be ensured. At present, in order to improve the anti-arcing and fire-starting performance of an electrical box, methods for directly improving the fireproof and fire-retardant performance of the electrical box are mostly adopted, for example, a mode of a metal shielding plate, a flame-retardant plastic electrical box and a thermosetting plastic electrical box is adopted, although the electrical box can be prevented from igniting other parts around the electrical box due to short-circuit arcing ignition, the ignition caused by the short-circuit arcing is still avoided, when the sealing performance of the electrical box is poor or gaps exist among the metal shielding plates, flame can still escape from the electrical box to ignite the peripheral parts, and then the fire of the whole air conditioner is caused.
Therefore, it is desirable to provide an electrical box, an air conditioner indoor unit and an air conditioner to solve the disadvantages of the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides an electrical apparatus box, air conditioner internal unit and air conditioner.
An electrical box comprises a box body main body, an electrical element and a flow guide assembly;
the electrical element is arranged in the box body main body, a first surface of the electrical element faces to a first side wall of the box body main body, and the box body main body is provided with a grounding structure;
one end of the flow guide assembly is arranged between the first surface of the electrical element and the first side wall of the box body main body, the other end of the flow guide assembly is connected with the grounding structure, and the flow guide assembly can conduct the current which is generated by the electrical element and exceeds a preset current value to the grounding structure.
Furthermore, the electrical component comprises a printed circuit board, the flow guide assembly is provided with a flow guide end, and the flow guide end is arranged between the first surface of the printed circuit board and the first side wall of the box body main body.
Furthermore, the flow guide assembly is a plurality of flow guide needles, and each flow guide needle comprises a first tip part, a flow guide part and a tail part which are sequentially connected;
the first tip portion forms the drainage end, penetrates through the box body and then sequentially passes through the drainage portion and the tail end portion to be connected with the grounding structure.
Further, the box body is an insulating box body;
the drainage part is arranged on the outer side of the insulation box body or embedded on the insulation box body;
the insulation box body is provided with a first through hole for the first pointed end to pass through.
Further, the grounding structure is arranged on the outer surface of the box body main body and provided with a fixing bolt;
the terminal portion is plate-shaped, and the fixing bolt fixes the terminal portion to the ground structure.
Furthermore, the flow guide assembly is a shielding cover, and the shielding cover comprises a metal shielding plate which is attached to the outer side of the box body main body and a plurality of second pointed ends which are connected with the metal shielding plate;
one end of each second pointed end is connected with the inner surface of the metal shielding plate, and the other end of each second pointed end penetrates through the box body main body to form the flow guide end;
the metal shielding plate is connected with the grounding structure.
Further, the first surface of the printed circuit board comprises a high current area and a low current area,
at least one flow guide end is arranged between the low flow area and the first side wall of the box body main body, and the other flow guide ends are arranged between the high flow area and the first side wall of the box body main body.
Furthermore, the arrangement density of the flow guide ends arranged between the high flow area and the first side wall of the box body main body is greater than that of the flow guide ends arranged between the low flow area and the first side wall of the box body main body.
Furthermore, the arrangement density of the flow guide ends arranged between the high flow area and the first side wall of the box body main body is 2-4 times that of the flow guide ends arranged between the low flow area and the first side wall of the box body main body.
Furthermore, the first surface of the printed circuit board is provided with a positive connecting terminal and a negative connecting terminal, a high current area is formed in an area between the positive connecting terminal and the negative connecting terminal, and a low current area is formed in other areas.
Further, the distance between each current guiding end and the printed circuit board is larger than or equal to 8 mm.
Further, the axis of each flow guide end is perpendicular to the printed circuit board.
Furthermore, each flow guide end is conical, and the vertex angle of each flow guide end is within the range of 15-25 degrees.
Furthermore, the distance between each current guiding end and the first surface of the printed circuit board is smaller than 8mm, and an insulating layer is coated on the outer surface of each current guiding end.
Based on the same invention concept, the utility model also provides an air conditioner indoor unit, including the electrical apparatus box.
Based on the same invention concept, the utility model also provides an air conditioner, including the air conditioner internal unit.
The technical scheme of the utility model compare with closest prior art and have following advantage:
the utility model provides an electrical apparatus box, through setting up the one end of water conservancy diversion subassembly between box body main part and electrical components, make the instantaneous heavy current that produces when taking place the short circuit arc discharge in the electrical components can concentrate on the water conservancy diversion subassembly near one end of electrical components, then conduct the electric current to the other end of water conservancy diversion subassembly, and then conduct the electric current to the ground through the ground structure who is connected with the other end of water conservancy diversion subassembly, namely the electric current is derived the electrical apparatus box in time, avoided the electric current to gather in electrical apparatus box inside and surface, and then prevented danger such as high temperature and fire that cause because of the electric current gathering from taking place, the stability, the security and the reliability of electrical apparatus box have been improved; moreover, the interior and the surface of the electric appliance box can be prevented from high temperature and fire, so that the problems that high temperature and flame spread to peripheral parts to influence the safety and the operation reliability of other parts are avoided, and the safety, the stability and the reliability of electric appliances such as an air conditioner, a refrigerator and the like using the electric appliance box are improved.
Drawings
Fig. 1 is a schematic structural diagram of an electrical box provided by the present invention;
fig. 2 is a front view of the electrical box provided by the present invention;
fig. 3 is a rear view of the electrical box provided by the present invention.
Wherein, 1-the box body; 2-a guide needle, 21-a first tip part, 22-a drainage part, 23-a tail end part; 3-a printed circuit board; 4-grounding structure, 41-fixing bolt.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying examples and figures 1-3. Fig. 1 is a schematic structural diagram of an electrical box provided by the present invention; fig. 2 is a front view of the electrical box provided by the present invention; and, fig. 3 is a rear view of the electrical box provided by the present invention.
The utility model provides an electrical box, which comprises a box body main body 1, an electrical element and a flow guide assembly; the electrical component is arranged in the box body main body 1, a first surface of the electrical component faces to a first side wall of the box body main body 1, and the box body main body 1 is provided with a grounding structure 4; one end of the flow guide assembly is arranged between the first surface of the electrical element and the first side wall of the box body main body 1, the other end of the flow guide assembly is connected with the grounding structure 4, and the flow guide assembly can conduct the current which is generated by the electrical element and exceeds a preset current value to the grounding structure 4.
By arranging one end of the flow guide assembly between the box body main body 1 and the electrical element, instantaneous large current generated when short circuit arc discharge occurs in the electrical element can be concentrated on one end, close to the electrical element, of the flow guide assembly, then the current is conducted to the other end of the flow guide assembly, and then the current is conducted to the ground through the grounding structure 4 connected with the other end of the flow guide assembly, namely the current is timely led out of the electrical box, so that the current is prevented from being gathered in the interior and on the surface of the electrical box, dangers such as high temperature, fire and the like caused by the gathering of the current are prevented, and the stability, the safety and the reliability of the electrical box are improved; moreover, the interior and the surface of the electric appliance box can be prevented from high temperature and fire, so that the problems that high temperature and flame spread to peripheral parts to influence the safety and the operation reliability of other parts are avoided, and the safety, the stability and the reliability of electric appliances such as an air conditioner, a refrigerator and the like using the electric appliance box are improved.
In some embodiments of the present invention, the electrical component includes a printed circuit board 3, the diversion assembly is provided with a diversion end, and the diversion end is disposed between the first surface of the printed circuit board 3 and the first sidewall of the box body 1. Printed circuit board 3(PCB circuit board) is the core component in the electrical apparatus box, and all control function of electrical apparatus box all need be through the data transmission of PCB circuit board and the change of voltage electric current, and is equipped with the support in box body 1, and the PCB circuit board is fixed in on the support to can accomplish the location and the installation of PCB circuit board, the PCB circuit board is close to the lateral wall in one side of box body 1, and the water conservancy diversion end of water conservancy diversion subassembly just sets up between this lateral wall and PCB circuit board.
In some embodiments of the present invention, the diversion assembly is a plurality of diversion needles 2, and each diversion needle 2 includes a first tip portion 21, a diversion portion 22, and a terminal portion 23 connected in sequence; the first tip portion 21 forms the drainage end, and the first tip portion 21 penetrates through the box body 1 and then is connected to the grounding structure 4 through the drainage portion 22 and the tail portion 23 in sequence. The plurality of guide pins 2 are independent guide channels, and each guide channel takes the first tip part 21 for attracting the collected current as a starting point, and then the collected current is transmitted to the grounding structure 4 through the drainage part 22 and the terminal part 23 in sequence; the plurality of diversion channels can guarantee that the current generated on the PCB circuit board can be derived in time, and the current generated at different positions on the PCB circuit board can be derived in time, so that the timeliness of the current derivation on the PCB circuit board is improved, the omission of the current generated at some positions is avoided, the derivation of all time periods of all positions at any time is realized, and the safety, the reliability and the stability of the electric appliance box are further improved.
In some embodiments of the present invention, the box body 1 is an insulating box body; the drainage part 22 is arranged at the outer side of the insulation box body or embedded on the insulation box body; the insulating box body is provided with a first through hole for the first tip portion 21 to pass through. The drainage part 22 can be a rod-shaped metal wire or a plate-shaped metal wire, which is used for conducting the current gathered at the first tip part 21 to the terminal part 23 in time, so long as the good conductivity is ensured, the shape and the like can be set according to the installation practice, the connection mode between the drainage part and the box body 1 is not specially limited, and the drainage part can keep a certain distance from the outer surface of the box body 1 through the rigidity of the drainage part, so that the drainage part can be embedded in the box body 1; the first through holes are arranged to facilitate the first pointed end portions 21 to pass through, and a plurality of first through holes are arranged and correspond to the first pointed end portions 21 one to one.
In some embodiments of the present invention, the grounding structure 4 is disposed on the outer surface of the box body 1, and the grounding structure 4 has a fixing bolt 41; the tip portion 23 has a plate shape, and the fixing bolt 41 fixes the tip portion 23 to the ground structure 4. The end portion 23 is the terminal point of the current guiding channel formed by the current guiding needle 2, the current gathered by the first tip portion 21 is finally conducted to the end portion 23, and then the end portion 23 is fixed on the fixing bolt 41 of the grounding structure 4, that is, the current can be transmitted to the grounding structure 4 through the fixing bolt 41, so that the current is led out, and the current concentration, the high temperature generation and the fire danger are avoided.
In some embodiments of the present invention, the air guiding assembly is a shielding case, and the shielding case includes a metal shielding plate attached to the outer side of the box body main body 1 and a plurality of second tip portions connected to the metal shielding plate; one end of each second pointed end is connected with the inner surface of the metal shielding plate, and the other end of each second pointed end penetrates through the box body main body 1 to form the flow guide end; the metal shielding plate is connected to the ground structure 4. The metal shielding plate is arranged at the outer side of the box body main body 1 in a fitting manner, namely, a metal cover body completely corresponding to the metal shielding plate is additionally arranged at the outer side of the insulating box body, so that the sealing performance of the insulating box body is greatly improved, and the high temperature and flame can be prevented from being transmitted to other external parts through the box body main body 1 to influence the safety of peripheral parts once high temperature or even fire occurs in the electrical box; the metal shield plate forms a metal shield body which is connected with the grounding structure 4 due to the conductive performance, so a plurality of second tip parts are arranged in the metal shield body, the second tip parts respectively penetrate through the box body main body 1 and then respectively form current guiding ends in a space close to the PCB, the current guiding ends and the metal shield body form a plurality of current guiding channels intersected at one position, the starting points of the current guiding channels are respectively the current guiding ends formed by the second tip parts, the current guiding ends are gathered on the metal shield body, the metal shield body is further connected with the grounding structure 4, namely, the currents gathered at the current guiding ends are gathered on the metal shield body and then are led out through the grounding structure 4; the box body 1 is correspondingly provided with a plurality of second through holes, and each second through hole can be used for a second tip end to pass through.
In some embodiments of the present invention, the first surface of the printed circuit board 3 includes a high flow area and a low flow area, at least one the diversion end is located between the low flow area and the first side wall of the box body 1, and the other diversion end is located between the high flow area and the first side wall of the box body 1. The high current region is an area which is easy to generate arc short circuit, i.e. a position which is easy to generate large current, and the low current region has lower probability of generating arc short circuit and generating current and lower magnitude of the current generated by the low current region compared with the high current region. The space corresponding to the high current area and the space corresponding to the low current area are both provided with the current guiding ends, so that the current generated at each position of the PCB can be timely guided out, and the timeliness and the comprehensiveness of current guiding are improved.
The utility model discloses an in some embodiments, locate the high flow district with the density of arranging of the water conservancy diversion end between the first lateral wall of box body main part 1 is greater than locate the low flow district with the density of arranging of the water conservancy diversion end between the first lateral wall of box body main part 1. The arrangement density of the current guiding ends is respectively in direct proportion to the magnitude of the probability of generating current and the magnitude of the generated current, the arrangement density of the high current area is greater than that of the low current area, the PCB circuit board can be comprehensively led out, the probability and the magnitude of the generated current are matched, the excessive installation of the current guiding ends is avoided, and the utilization rate of each current guiding end is improved; in addition, the current guiding end in the high-current area or the current guiding end in the low-current area is required to be set to ensure that the current generated in the corresponding area can be completely led out.
In some embodiments of the present invention, the arrangement density of the flow guiding end between the high flow area and the first side wall of the box body 1 is 2-4 times the arrangement density of the flow guiding end between the low flow area and the first side wall of the box body 1. The current leading-out of the high-current area and the low-current area can be ensured simultaneously within the multiple range, the excessive installation and the excessive use of the current leading end are avoided to the maximum extent, the cost is saved, and the internal structure of the electrical box is simplified.
In some embodiments of the present invention, the first surface of the printed circuit board 3 is provided with a positive terminal and a negative terminal, the positive terminal and the region between the negative terminals form a high current region, and other regions form a low current region. A strong current part, namely a high current area, is arranged between the positive connecting terminal and the negative connecting terminal.
In some embodiments of the present invention, the distance between each of the current guiding ends and the first surface of the printed circuit board 3 is greater than or equal to 8 mm. The too big distance between water conservancy diversion end and the PCB circuit board can cause the unable normal derivation of the heavy current that produces when drawing the arc short circuit, therefore the water conservancy diversion end need set up in box body main part 1 is close to the lateral wall of PCB circuit board, so can guarantee that the electric current on the PCB circuit board is in time derived. But also avoid the conductance end to be close to excessively with the PCB circuit board, avoid influencing the normal current transmission on the PCB circuit board, know through actual detection, inject the minimum distance that sets up in 8mm and can avoid the emergence of above-mentioned condition.
In some embodiments of the present invention, each of the axes of the current guiding ends is perpendicular to the printed circuit board 3. The current-guiding end is perpendicular to the PCB, so that the guided current can be away from the PCB in time in the guiding process, and the influence of the current on the PCB in the conducting process is avoided.
In some embodiments of the present invention, each of the flow guiding ends is conical, and the vertex angle of each of the flow guiding ends is in a range of 15 to 25 °. The conical flow guide end is beneficial to the collection of current, the vertex angle of 15-25 degrees is most beneficial to the collection of current, the collection rate of the current is fastest in the angle range, and the collection rate of the current is maximum in the angle range.
In some embodiments of the present invention, the distance between each of the current guiding ends and the printed circuit board 3 is less than 8mm, and each of the outer surfaces of the current guiding ends is coated with an insulating layer. Because the water conservancy diversion end can not be too close to the PCB circuit board, but the distance between the side walls of the PCB circuit board and the box body main body 1 can not always meet the requirement of being larger than 8mm, therefore, in the electrical box with smaller distance between the side walls of the PCB circuit board and the box body main body 1, the position for setting the water conservancy diversion end becomes difficult, and an insulating layer is coated on the outer surface of the water conservancy diversion end, the current gathering capacity of the water conservancy diversion end can be reduced, the capacity of the water conservancy diversion end for influencing the normal current transmission of the PCB circuit board is also reduced, the water conservancy diversion end can be arranged at the position less than 8mm away from the PCB circuit board, and the installation range and the flexibility of the installation position of the.
Based on the same invention concept, the utility model also provides an air conditioner indoor unit, including the electrical apparatus box.
Based on the same invention concept, the utility model also provides an air conditioner, including the air conditioner internal unit.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (16)

1. An electrical box is characterized by comprising a box body main body (1), an electrical element and a flow guide assembly;
the electrical component is arranged in the box body main body (1), a first surface of the electrical component faces to a first side wall of the box body main body (1), and the box body main body (1) is provided with a grounding structure (4);
one end of the flow guide assembly is arranged between the first surface of the electrical element and the first side wall of the box body main body (1), the other end of the flow guide assembly is connected with the grounding structure (4), and the flow guide assembly can conduct current which is generated by the electrical element and exceeds a preset current value to the grounding structure (4).
2. The electrical box according to claim 1, characterized in that the electrical components comprise a printed circuit board (3), the current guiding assembly being provided with a current guiding end arranged between a first surface of the printed circuit board (3) and a first side wall of the box body (1).
3. The electrical box according to claim 2, characterized in that the guide assembly is a plurality of guide pins (2), each guide pin (2) comprising a first tip portion (21), a guide portion (22) and a tip portion (23) connected in sequence;
the first tip portion (21) forms the flow guide end, and the first tip portion (21) penetrates through the box body main body (1) and then is connected with the grounding structure (4) sequentially through the flow guide portion (22) and the tail end portion (23).
4. The electrical box according to claim 3, characterized in that the box body (1) is an insulating box body;
the drainage part (22) is arranged on the outer side of the insulation box body or embedded on the insulation box body;
the insulation box body is provided with a first through hole for the first pointed end (21) to pass through.
5. The electrical box according to claim 3, characterized in that the grounding structure (4) is provided on the outer surface of the box body main body (1), the grounding structure (4) having a fixing bolt (41);
the tip portion (23) is plate-shaped, and the fixing bolt (41) fixes the tip portion (23) to the ground structure (4).
6. The electrical box of claim 2, wherein the air guiding assembly is a shielding case, and the shielding case comprises a metal shielding plate which is attached to the outer side of the box body main body (1) and a plurality of second tip parts connected with the metal shielding plate;
one end of each second pointed end is connected with the inner surface of the metal shielding plate, and the other end of each second pointed end penetrates through the box body main body (1) to form the flow guide end;
the metal shielding plate is connected with the grounding structure (4).
7. Electrical box according to any of claims 2 to 6, characterised in that the first surface of the printed circuit board (3) comprises high and low flow areas,
at least one flow guide end is arranged between the low flow area and the first side wall of the box body (1), and the other flow guide ends are arranged between the high flow area and the first side wall of the box body (1).
8. The electrical box according to claim 7, wherein the arrangement density of the current guiding ends provided between the high current region and the first sidewall of the box body (1) is greater than the arrangement density of the current guiding ends provided between the low current region and the first sidewall of the box body (1).
9. The electrical box according to claim 8, wherein the arrangement density of the current guiding ends provided between the high current region and the first sidewall of the box body (1) is 2-4 times that of the current guiding ends provided between the low current region and the first sidewall of the box body (1).
10. Electrical box according to claim 7, characterised in that a positive connection terminal and a negative connection terminal are provided on the first surface of the printed circuit board (3), the area between the positive connection terminal and the negative connection terminal forming a high current area and the other areas forming a low current area.
11. Electrical box according to any of claims 2 to 6, characterised in that the distance between each of said current-conducting ends and the first surface of the printed circuit board (3) is greater than or equal to 8 mm.
12. Electrical box according to any of claims 2 to 6, characterised in that the axis of each of the current conducting ends is perpendicular to the printed circuit board (3).
13. The appliance casing according to any one of claims 2 to 6, wherein each of the current conducting ends is conical and has an apex angle in the range of 15-25 °.
14. The electrical box according to any of the claims 2 to 6, characterized in that each of the current conducting ends is at a distance of less than 8mm from the first surface of the printed circuit board (3), and the outer surface of each of the current conducting ends is coated with an insulating layer.
15. An air conditioner indoor unit, characterized by comprising the electric box according to any one of claims 1 to 14.
16. An air conditioner characterized by comprising the air conditioner indoor unit according to claim 15.
CN201921367397.2U 2019-08-21 2019-08-21 Electrical apparatus box, air conditioner indoor unit and air conditioner Active CN210641255U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921367397.2U CN210641255U (en) 2019-08-21 2019-08-21 Electrical apparatus box, air conditioner indoor unit and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921367397.2U CN210641255U (en) 2019-08-21 2019-08-21 Electrical apparatus box, air conditioner indoor unit and air conditioner

Publications (1)

Publication Number Publication Date
CN210641255U true CN210641255U (en) 2020-05-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921367397.2U Active CN210641255U (en) 2019-08-21 2019-08-21 Electrical apparatus box, air conditioner indoor unit and air conditioner

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110602935A (en) * 2019-08-21 2019-12-20 珠海格力电器股份有限公司 Electrical apparatus box, air conditioner indoor unit and air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110602935A (en) * 2019-08-21 2019-12-20 珠海格力电器股份有限公司 Electrical apparatus box, air conditioner indoor unit and air conditioner
CN110602935B (en) * 2019-08-21 2024-01-12 珠海格力电器股份有限公司 Electrical apparatus box, air conditioner internal unit and air conditioner

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