Electric control box and air conditioner

Abstract

The utility model belongs to the technical field of air conditioning equipment, and discloses an electric control box and an air conditioner, the electric control box comprises a box body, a first circuit board and a second circuit board, the first circuit board and the second circuit board are both arranged in the box body, and the first circuit board and the second circuit board are arranged in a layered mode. And the orthographic projection of the first circuit board and the orthographic projection of the second circuit board are at least partially overlapped. The utilization rate of the space in the electric control box can be increased, and the effect of reducing the overall size of the air conditioner is achieved.

Description

Technical Field

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

[0002] Miniaturization and high efficiency of home appliances have become one of the important trends in the industry. Thin-walled air conditioners are gradually becoming thinner to meet the needs of modern home decoration styles.

[0003] In slim-wall air conditioners, the control box is typically installed on the side, integrating core components such as the power module, control motherboard, and power devices. Because the power module is responsible for power conversion, it is relatively large. In developing this invention, the inventors discovered at least the following problems with the existing technology: the power module occupies a significant amount of space inside the control box, making it difficult to further reduce its footprint given the limited size of the control box. This results in low space utilization within the control box, leading to an unnecessary increase in the size of the slim-wall air conditioner and hindering the process of achieving a slimmer design. Utility Model Content

[0004] This application provides an electrical control box and an air conditioner, which can improve the utilization rate of the space inside the electrical control box and reduce the overall size of the air conditioner.

[0005] In a first aspect, this application provides an electronic control box, which adopts the following technical solution:

[0006] An electrical control box includes: a box body, a first circuit board, and a second circuit board. The first circuit board and the second circuit board are both disposed within the box body. The first circuit board and the second circuit board are disposed in layers, and the orthographic projection of the first circuit board and the orthographic projection of the second circuit board at least partially overlap.

[0007] Optionally, the first circuit board is movably disposed on the housing body, and the first circuit board is movable relative to the housing body to at least partially cover the second circuit board, or to expose the second circuit board.

[0008] Optionally, the first circuit board has a first end and a second end, the first circuit board is hinged to the box body through the first end, and the first circuit board is detachably connected to the box body through the second end.

[0009] Optionally, it also includes a limiting member, which can limit the first circuit board when the first circuit board is in the unfolded state, so that the first circuit board remains unfolded relative to the second circuit board at all times.

[0010] Optionally, a first crossbeam is provided near the first end of the box body, and the limiting member is rotatably connected to the first crossbeam. The limiting member can rotate relative to the first crossbeam to release the limiting effect on the first circuit board.

[0011] Optionally, the limiting member includes a connecting part and a limiting part. The connecting part is rotatably connected to the first crossbeam, and the connecting part and the limiting part are fixedly connected. The connecting part drives the limiting part to press against the first circuit board or move away from the first circuit board.

[0012] Optionally, the limiting part is provided with a contact plane. When the first circuit board is in the unfolded state, the contact plane is parallel to the first circuit board to increase the contact area between the limiting part and the first circuit board.

[0013] Optionally, it also includes a fastener, through which the second end is detachably connected to the box body.

[0014] Optionally, the box body includes a power module and electrical components, the power module being disposed on the first circuit board and the electrical components being disposed on the second circuit board.

[0015] Secondly, this application provides an air conditioner, which adopts the following technical solution:

[0016] An air conditioner includes an electrical control box as described above.

[0017] As can be seen from the above technical solutions, the electrical control box of this application has the following advantages:

[0018] By layering the first and second circuit boards and stacking them in space, the space resources inside the box are fully utilized. This method can accommodate more components on the same bearing surface, thereby improving the space utilization rate inside the box. Compared with the existing technology that lays multiple circuit boards on the same surface, the double-layer circuit board structure formed by the first and second circuit boards can make the electrical control box more compact and small by rationally planning the relative position relationship between the layers, thereby reducing the overall size of the machine.

[0019] The air conditioner of this utility model also has the above-mentioned advantages, which will not be repeated here. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings.

[0021] Figure 1 This is a schematic diagram of the internal structure of an electrical control box disclosed in an embodiment of this application;

[0022] Figure 2 This is a schematic diagram of the structure of an electrical control box in an embodiment of this application, showing the first circuit board in a folded state.

[0023] Figure 3 This is a structural schematic diagram of an electrical control box with the first circuit board in an unfolded state, as disclosed in an embodiment of this application.

[0024] Figure 4 This is a schematic diagram of the structure of an electrical control box with a prominent first circuit board, as disclosed in an embodiment of this application.

[0025] Figure 5 This is a schematic diagram of the structure of an air conditioner disclosed in an embodiment of this application.

[0026] Explanation of reference numerals in the attached figures:

[0027] 1. Box body; 11. Back side; 12. First side wall; 13. Second side wall; 14. Receiving chamber; 15. First crossbeam; 16. Second crossbeam; 17. Limiting member; 171. Connecting part; 172. Limiting part; 173. Contact plane; 2. First circuit board; 21. First end; 22. Second end; 23. Fastener; 3. Second circuit board. Detailed Implementation

[0028] The present application will be further described in detail below with reference to the accompanying drawings.

[0029] This application provides an electrical control box and an air conditioner, which can improve the utilization rate of the space inside the electrical control box and reduce the overall size of the air conditioner.

[0030] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, and not all of them. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present application. Furthermore, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by the present application.

[0031] The terms "first," "second," "third," "fourth," etc., used in the specification, claims, and accompanying drawings of this application 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 so that the embodiments described herein can be implemented in a sequence other than that illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0032] In slim-wall air conditioners, the control box is typically installed on the side, integrating core components such as the power module, control motherboard, and power devices. Because the power module is large and responsible for power conversion, it occupies a significant amount of space within the control box, resulting in low space utilization. This leads to an unnecessary increase in the size of the slim-wall air conditioner, thus hindering the process of achieving a slimmer design. To address these technical problems, this application provides a control box; please refer to [link / reference]. Figure 1 The electrical control box includes a box body 1, a first circuit board 2 and a second circuit board 3. The first circuit board 2 and the second circuit board 3 are both disposed inside the box body 1. The first circuit board 2 and the second circuit board 3 are arranged in layers, and the orthographic projection of the first circuit board 2 and the orthographic projection of the second circuit board 3 at least partially overlap.

[0033] It is understandable that by layering the first circuit board 2 and the second circuit board 3 and stacking them in space, the space resources within the box body 1 are fully utilized. This method allows more components to be accommodated on the same load-bearing surface, thereby improving the space utilization rate within the box body 1. Compared to the existing technology that lays multiple circuit boards on the same surface, the double-layer circuit board structure formed by the first circuit board 2 and the second circuit board 3 can make the electrical control box more compact and small by rationally planning the relative positional relationship between the layers, thus achieving a reduction in the overall size of the device. At the same time, because the first circuit board 2 and the second circuit board 3 are layered, the distance between the first circuit board 2 and the second circuit board 3 is relatively short, which facilitates wiring.

[0034] Please continue reading. Figure 1Specifically, the box body 1 includes a cover plate (not shown in the figure), a back surface 11, two first side walls 12 arranged opposite each other along the length direction, and two second side walls 13 arranged opposite each other along the width direction. The back surface 11, the two first side walls 12, and the two second side walls 13 enclose a receiving chamber 14, which is used to accommodate various electrical components. The first circuit board 2 and the second circuit board 3 are both located in the receiving chamber 14, and the length direction of the first circuit board 2 and the second circuit board 3 is the same as the length direction of the box body 1. It should be noted that in this embodiment, the orthographic projection of the first circuit board 2 is a projection formed by parallel projection lines perpendicular to the back surface 11, and the projection surfaces of the first circuit board 2 and the second circuit board 3 are both the back surface 11, that is, the orthographic projections of the first circuit board 2 and the second circuit board 3 face the same direction.

[0035] The first circuit board 2 is movably disposed on the housing body 1, and the first circuit board 2 is movable relative to the housing body 1 to at least partially obscure the second circuit board 3, or to expose the second circuit board 3. It is understood that when the first circuit board 2 is movable relative to the housing body 1, the distance between the first circuit board 2 and the second circuit board 3 can be changed, causing the first circuit board 2 and the second circuit board 3 to gradually move closer or further apart. When the first circuit board 2 and the second circuit board 3 gradually move closer, the overlapping portion of the orthographic projections of the first circuit board 2 and the second circuit board 3 gradually increases, the obscuring area of ​​the second circuit board 3 by the first circuit board 2 gradually increases, and the space occupied by the first circuit board 2 and the second circuit board 3 gradually decreases in spatial dimension. When the first circuit board 2 and the second circuit board 3 gradually move further apart, the overlapping portion of the orthographic projections of the first circuit board 2 and the second circuit board 3 gradually decreases, so that the second circuit board 3 is exposed and the exposed area gradually increases.

[0036] When the first circuit board 2 needs to be repaired, the operator removes the cover plate of the box body 1 and directly repairs the first circuit board 2. When the second circuit board 3 needs to be repaired, the operator moves the first circuit board 2 relative to the box body 1 to expose the second circuit board 3. When the second circuit board 3 is fully exposed, the first circuit board 2 is no longer obstructing the second circuit board 3, and the space between the first circuit board 2 and the second circuit board 3 makes it convenient for the operator to repair the second circuit board 3.

[0037] In this embodiment, the second circuit board 3 is disposed on the back side 11 of the box body 1, and the first circuit board 2 is located on the side of the second circuit board 3 away from the back side 11 of the box body 1. The first circuit board 2 and the box body 1 are hinged together. In some other embodiments, the first circuit board 2 is disposed on the back side 11 of the box body 1, and the second circuit board 3 is located on the side of the first circuit board 2 away from the back side 11 of the box body 1. The second circuit board 3 and the box body 1 are hinged together. In still other embodiments, the second circuit board 3 is disposed on the back side 11 of the box body 1, and the first circuit board 2 is located on the side of the second circuit board 3 away from the back side 11 of the box body 1. The second circuit board 3 is detachably connected to the box body 1. When the second circuit board 3 needs to be repaired, the operator removes the first circuit board 2 from the box body 1 to remove the obstruction of the second circuit board 3, making it easier for the operator to perform repair operations on the second circuit board 3.

[0038] Please see Figure 2 and Figure 3 In this embodiment, the first circuit board 2 has a folded state and an unfolded state. When the first circuit board 2 is in the folded state, it is parallel to the second circuit board 3, and the orthographic projection of the first circuit board 2 completely overlaps with the orthographic projection of the second circuit board 3. When the first circuit board 2 is in the unfolded state, an angle is formed between the first circuit board 2 and the second circuit board 3. It can be understood that when the first circuit board 2 is in the folded state, it is located directly above the second circuit board 3 and is parallel to it. The first circuit board 2 and the second circuit board 3 are superimposed in the width direction of the control box. At this time, the space occupied by the first circuit board 2 and the second circuit board 3 is minimized, further improving the space utilization of the control box. When the first circuit board 2 is in the unfolded state, an angle is formed between the first circuit board 2 and the second circuit board 3, which increases the space between the first circuit board 2 and the second circuit board 3, making maintenance easier.

[0039] Please see Figure 2 and Figure 4 The first circuit board 2 has a first end 21 and a second end 22, which are correspondingly arranged and configured as the two ends of the first circuit board 2 along its length. The first circuit board 2 is hinged to the box body 1 through the first end 21, so as to enable the first circuit board 2 to move relative to the box body 1 to at least partially cover the second circuit board 3, or to expose the second circuit board 3. The first circuit board 2 is detachably connected to the box body 1 through the second end 22, so that when the first circuit board 2 is in the folded state, the second end 22 cooperates with the first end 21 to stably set the first circuit board 2 on the box body 1. When the first circuit board 2 is in the unfolded state, the second end 22 can be separated from the box body 1, so as to facilitate the rotation of the first circuit board 2 relative to the box body 1.

[0040] Specifically, a first crossbeam 15 and a second crossbeam 16 are provided between the two first sidewalls 12. The first crossbeam 15 is located near the first end 21, and the second crossbeam 16 is located near the second end 22. A hinge is provided between the first end 21 and the first crossbeam 15. The first end 21 and the box body 1 are hinged by the hinge. In other embodiments, the first end 21 and the box body 1 can also be hinged by a rotating shaft.

[0041] To enhance the connection stability between the second end 22 and the box body 1 when the first circuit board 2 is folded, the electrical control box also includes a fastener 23. The fastener 23 passes through both the second end 22 and the second crossbeam 16, allowing the second end 22 to be detachably connected to the box body 1 via the fastener 23. The fastener 23 is preferably a wing nut, whose wing-shaped portion has a large size, making it easy to grip and apply torque. Technicians can directly adjust the wing nut with their fingers, loosening or tightening it without tools, making it suitable for frequent disassembly and assembly scenarios, and making on-site installation, maintenance, and adjustment more convenient and faster. Secondly, the wing nut has good vibration damping performance. When the first circuit board 2 is folded, the wing nut can provide a relatively reliable locking effect, ensuring sufficient friction while reducing the risk of the first circuit board 2 loosening due to vibration.

[0042] Furthermore, when the first circuit board 2 is in the unfolded state, in order to maintain a stable angle between the first circuit board 2 and the second circuit board 3, the control box preferably includes a limiting member 17. The limiting member 17 is disposed on the box body 1. When the first circuit board 2 is in the unfolded state, the limiting member 17 can limit the first circuit board 2, so that the first circuit board 2 remains unfolded relative to the second circuit board 3. In this embodiment, the limiting member 17 is rotatably connected to the first crossbeam 15. The limiting member 17 can rotate relative to the first crossbeam 15 to release the limiting of the first circuit board 2, realizing the switching between the unfolded state and the folded state of the first circuit board 2.

[0043] Specifically, the limiting member 17 includes a connecting part 171 and a limiting part 172. The connecting part 171 is rotatably connected to the first crossbeam 15, and the connecting part 171 and the limiting part 172 are fixedly connected. The connecting part 171 drives the limiting part 172 to press against or move away from the first circuit board 2. In this embodiment, the limiting member 17 is generally L-shaped. The connecting part 171 and the limiting part 172 are integrally formed. The connecting part 171 is rotatably mounted on the first crossbeam 15 by screws. The angle of the limiting member 17 relative to the first crossbeam 15 can be adjusted by screws to achieve the effect of the limiting part 172 pressing against or moving away from the first circuit board 2. There are two limiting members 17, which are located on both sides of the first circuit board 2. The arrangement of two limiting members 17 makes the force exerted when the first circuit board 2 is limited more even. It is understandable that when the first circuit board 2 is in the unfolded state, the two limiting parts 172 are operated to contact and press against the two sides of the first circuit board 2 respectively, restricting the first end 21 of the first circuit board 2, thereby restricting the rotation of the first circuit board 2, so that the first circuit board 2 remains unfolded relative to the second circuit board 3.

[0044] Furthermore, in order to increase the contact area between the limiting part 172 and the first circuit board 2, the limiting part 172 is provided with a contact plane 173. When the first circuit board 2 is in the unfolded state, the contact plane 173 is parallel to the first circuit board 2 to increase the contact area between the limiting part 172 and the first circuit board 2, so as to reduce the damage caused by the limiting part 172 to the first circuit board 2 when the limiting part 172 contacts and presses against the first circuit board 2.

[0045] To facilitate maintenance of the second circuit board 3, in this embodiment, when the first circuit board 2 is in the unfolded state, its length direction is perpendicular to the length direction of the second circuit board 3, i.e., the angle between the first circuit board 2 and the second circuit board 3 is a right angle. At this time, the first circuit board 2 fully exposes the second circuit board 3. During maintenance of the second circuit board 3, the first circuit board 2 reduces interference with the second circuit board 3, facilitating smooth maintenance. In other embodiments, when the first circuit board 2 is in the unfolded state, the angle between the first circuit board 2 and the second circuit board 3 can also be an obtuse angle or an acute angle.

[0046] The main body 1 includes a power module and electrical components. The power module is located on the first circuit board 2, and the electrical components are located on the second circuit board 3. Distributing functional modules of different natures to their respective independent layers, such as placing the power module on the top layer and other electrical component modules on the lower layer, helps to achieve better physical isolation to prevent noise coupling, while also facilitating maintenance and heat dissipation. Among them, the electrical components can be electronic control modules.

[0047] Please see again Figure 1 and Figure 5This application also discloses an air conditioner that includes the aforementioned electrical control box. Since the air conditioner adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0048] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. An electric control box, characterized by, The utility model relates to an electric control box, comprising: a box body, a first circuit board and a second circuit board, the first circuit board and the second circuit board are arranged in the box body, the first circuit board and the second circuit board are arranged in layers, and the orthographic projection of the first circuit board and the orthographic projection of the second circuit board at least partially overlap.

2. An electric control box according to claim 1, characterized in that The first circuit board is movably arranged in the box body, and the first circuit board can be moved relative to the box body to at least partially shield the second circuit board or to expose the second circuit board.

3. An electric control box according to claim 2, wherein The first circuit board comprises a first end and a second end, the first circuit board is hingedly connected to the box body through the first end, and the first circuit board is detachably connected to the box body through the second end.

4. An electric control box according to claim 3, wherein Further comprising a limiting piece, the limiting piece is arranged in the box body, when the first circuit board is in an unfolded state, the limiting piece can limit the first circuit board, so that the first circuit board always remains unfolded relative to the second circuit board.

5. An electric control box according to claim 4, characterized in that The box body is provided with a first cross beam near the first end, the limiting piece is rotatably connected to the first cross beam, and the limiting piece can rotate relative to the first cross beam to release the limitation on the first circuit board.

6. An electric control box according to claim 5, wherein The limiting piece comprises a connecting portion and a limiting portion, the connecting portion is rotatably connected to the first cross beam, the connecting portion and the limiting portion are fixedly connected, and the connecting portion drives the limiting portion to press against the first circuit board or move away from the first circuit board.

7. An electric control box according to claim 6, characterized in that The limiting portion is provided with a contact plane, when the first circuit board is in an unfolded state, the contact plane is parallel to the first circuit board to increase the contact area between the limiting portion and the first circuit board.

8. An electric control box according to any one of claims 3 to 7, characterized in that Further comprising a fastener, the second end is detachably connected to the box body through the fastener.

9. An electric control box according to any one of claims 1 to 7, characterized in that The box body comprises a power module and an electrical assembly, the power module is arranged on the first circuit board, and the electrical assembly is arranged on the second circuit board.

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

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