Photovoltaic control box and refrigeration equipment

Abstract

The utility model discloses a photovoltaic control box and refrigeration equipment, and relates to the technical field of electric appliances, the photovoltaic control box comprises a box body, a circuit board and an electronic component arranged on the circuit board; the box body is provided with a mounting part, the box body is mounted on target equipment through the mounting part, and the box body is provided with a contact surface in contact with the target equipment; the circuit board is arranged on the box body and is provided with a first side surface and a second side surface which are oppositely arranged; the first side surface of the circuit board is arranged close to the corresponding contact surface of the box body; the electronic component is arranged on the second side surface of the circuit board. According to the photovoltaic control box provided by the utility model, after the photovoltaic control box is arranged at a position corresponding to the target equipment, one side of the circuit board, which is provided with the electronic component, faces the inside of the target equipment to realize inversion, so that the size of the box body can be designed according to the size of the electronic component, and the size of the photovoltaic control box can be reduced.

Description

Technical Field

[0001] This utility model relates to the field of electrical technology, and in particular to a photovoltaic control box and a refrigeration device. Background Technology

[0002] Currently, air conditioner outdoor units typically include a photovoltaic control box. This box collects solar energy to reduce the power consumption of the compressor during operation, thus saving electricity. However, the circuit board of the photovoltaic control box in this technology has highly irregular electronic components, resulting in a large space occupation and consequently affecting the overall size of the air conditioner outdoor unit. Utility Model Content

[0003] The main purpose of this invention is to provide a photovoltaic control box and a cooling device, which aims to reduce the size of the photovoltaic control box.

[0004] To achieve the above objectives, the photovoltaic control box proposed in this utility model includes:

[0005] The enclosure has a mounting part, the enclosure is mounted on the target device via the mounting part, and the enclosure has a contact surface that contacts the target device;

[0006] A circuit board is disposed in the housing, and the circuit board has a first side surface and a second side surface that are disposed opposite to each other; the first side surface of the circuit board is disposed near the housing at a position corresponding to the contact surface.

[0007] An electronic component is disposed on the second side surface of the circuit board.

[0008] In one embodiment, the enclosure includes a shell and a cover plate, the shell and the cover plate enclosing a receiving cavity, the circuit board is disposed in the receiving cavity, and the cover plate is fitted to the target device to form the contact surface.

[0009] In one embodiment, the receiving cavity includes a first cavity and a second cavity, wherein the height of the first cavity is greater than the height of the second cavity, and the height of the second cavity decreases in a first direction;

[0010] The electronic components include a first group of electronic components and a second group of electronic components, wherein the height of the first group of electronic components is greater than that of the second group of electronic components.

[0011] The first electronic component group is disposed on the circuit board at the position corresponding to the first cavity, and the second electronic component group is disposed on the circuit board at the position corresponding to the second cavity.

[0012] In one embodiment, the cover plate has a cover body and a surrounding wall disposed along the edge of the cover body, the cover plate and the surrounding wall forming a mounting groove, and the circuit board is disposed in the mounting groove;

[0013] The cover plate has a connector protruding into the mounting groove at the position corresponding to the enclosure wall, and the circuit board is fixed in the mounting groove by the connector.

[0014] In one embodiment, the enclosure includes an insulating enclosure and a protective enclosure, wherein the protective enclosure covers the insulating enclosure;

[0015] The circuit board is housed inside the insulating box.

[0016] In one embodiment, the insulating enclosure includes an insulating cover and an insulating shell, the insulating cover and the insulating shell forming an insulating cavity, and the circuit board is disposed on the insulating shell at a position corresponding to the insulating cavity; the protective enclosure includes a protective cover and the protective shell;

[0017] The insulating cover has a first mounting member, and the protective cover has a first mating member connected to the first mounting member. The insulating cover is connected to the protective cover through the first mounting member.

[0018] The insulating housing has a second mounting member, and the protective housing has a second mating member connected to the second mounting member. The insulating housing is connected to the protective housing through the second mounting member.

[0019] The insulating cover has a third mounting member, and the insulating housing has a third mating member connected to the third mounting member. The insulating cover is connected to the insulating housing through the third mounting member.

[0020] In one embodiment, an opening is provided on the side of the housing away from the contact surface, and a heat sink is also provided on the circuit board, with the heat sink positioned corresponding to the opening.

[0021] The radiator is at least partially exposed outside the enclosure.

[0022] This utility model also provides a refrigeration device, characterized in that the refrigeration device includes:

[0023] chassis;

[0024] The main body of the equipment is disposed within the housing; and,

[0025] As described in any of the above, the photovoltaic control box is disposed inside the housing, the photovoltaic control box is disposed at the top of the housing, and the cover plate of the photovoltaic control box forms the contact surface with the top of the housing.

[0026] In one embodiment, the photovoltaic control box has an opening on the side of its housing away from the contact surface, and a heat sink is also provided on the circuit board of the photovoltaic control box, with the heat sink positioned corresponding to the opening.

[0027] The housing is also provided with an air inlet and an air outlet connected to the air inlet, and an air duct is formed between the air inlet and the air outlet. The heat sink of the photovoltaic control box is located in the air duct.

[0028] In one embodiment, the cooling device further includes a fan disposed in the air duct;

[0029] The photovoltaic control box includes a second cavity, the height of which decreases toward the fan, so that a fan avoidance zone is formed at the position of the photovoltaic control box corresponding to the second cavity, and the fan operates in the fan avoidance zone.

[0030] It is understandable that the photovoltaic control box is located at the top of the housing and on the side, which is different from being located at the bottom. When the photovoltaic control box is located at the top and on the side, the circuit board of the photovoltaic control box is not facing upwards, thus avoiding the accumulation of dust.

[0031] In summary, this utility model provides a small-sized photovoltaic control box, which includes a housing, a circuit board, and electronic components. The housing is positioned behind the target device and forms a contact surface that is close to the target device; this contact surface serves as a reference surface. The circuit board is positioned close to this contact surface, and the electronic components are positioned on the surface of the circuit board away from the contact surface. Based on this, a relatively inverted structure is formed, so regardless of the location of the photovoltaic control box within the target device, the circuit board inside the photovoltaic control box always faces inwards towards the target device. It can be understood that by inverting the circuit board in this utility model, the shape of the photovoltaic control box housing can be set according to the height of the electronic components. For example, if the electronic components are small, the corresponding position of the housing can be set flatter. Thus, the shape of the photovoltaic control box provided by this utility model can depend on the height of the electronic components, increasing the space utilization rate of the photovoltaic control box, minimizing its size, and reducing the internal volume occupied by the target device when placed behind it. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0033] Figure 1 This is a schematic diagram of the structure of an embodiment of the photovoltaic control box provided by this utility model;

[0034] Figure 2 A cross-sectional view of an embodiment of the photovoltaic control box provided by this utility model;

[0035] Figure 3 An exploded view of an embodiment of the photovoltaic control box provided by this utility model;

[0036] Figure 4 A schematic diagram of the structure of one embodiment of the housing provided by this utility model;

[0037] Figure 5 A schematic diagram of a structure of an embodiment of the circuit board and cover plate provided by this utility model;

[0038] Figure 6 A schematic diagram of the structure of an embodiment of the refrigeration equipment provided by this utility model;

[0039] Figure 7 for Figure 6 A magnified view of a portion of point A in the middle.

[0040] Explanation of icon numbers:

[0041] Photovoltaic control box 10, enclosure 100, mounting part 110, housing 120, insulating housing 121, protective housing 122, cover plate 130, insulating cover plate 131, third mounting component 1311, protective cover plate 132, cover body 133, enclosure wall 134, first cavity 141, heat insulation cavity 1411, second cavity 142, fan clearance area 1421, opening 150, insulating accommodating cavity 160, contact surface 170, circuit board 200, first side surface 210, second side surface 220, electronic component 300, power device 310, heat sink 400;

[0042] Refrigeration equipment 20, casing 500, air duct 510, main body of equipment 600, fan 700.

[0043] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0044] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0045] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0046] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the 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 impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0047] Currently, air conditioner outdoor units typically include a photovoltaic control box. This box collects solar energy, reducing the power consumption of the compressor during operation and thus saving electricity. However, the internal layout of these photovoltaic control boxes is often unreasonable, resulting in a large space occupation and consequently affecting the overall size of the outdoor unit.

[0048] Furthermore, since the side of the circuit board in the photovoltaic control box with electronic components in the existing technology all faces the contact surface of the photovoltaic control box with the air conditioner outdoor unit, this also presents a problem. The height of the photovoltaic control box depends on the tallest of the various electronic components 300, resulting in a lot of unused space inside the photovoltaic control box. Thus, when the photovoltaic control box is installed on the air conditioner outdoor unit, the problem is amplified, that is, there is also a lot of unused space inside the air conditioner outdoor unit, thereby increasing the size of the air conditioner outdoor unit.

[0049] like Figure 1 , Figure 2 and Figure 6As shown, the main objective of this invention is to provide a photovoltaic control box 10 and a cooling device 20. In one embodiment, the photovoltaic control box 10 includes a housing 100, a circuit board 200, and electronic components 200 disposed on the circuit board 200. This photovoltaic control box 10 aims to, by inverting the circuit board 200 and placing the housing 100 on the target device, position the electronic components 300 of the circuit board 200 on the contact surface 170 of the circuit board 200 away from the housing 100 and the target device. It is understood that this photovoltaic control box 10 can be specifically applied to photovoltaic power generation air conditioning and other equipment to convert outdoor solar energy into electrical energy.

[0050] In this embodiment, the housing 100 has a mounting portion 110, and the housing 100 is mounted to the target device via the mounting portion 110. The housing 100 has a contact surface 170 that contacts the target device. It is understood that the housing 100 is a protective structure for the photovoltaic control box 10, which can be used to protect the circuit board 200 and its electronic components 200, and can also be used for physical connection with the target device (such as an air conditioner outdoor unit). The mounting portion 110 allows the photovoltaic control box 10 to be securely fixed to the target device, preventing it from easily falling off or being damaged due to external factors (such as wind, vibration, etc.). It should be noted that after the housing 100 is connected to the target device via the mounting portion 110, it has a contact surface 170 that contacts the target device. The size of this contact surface 170 is not limited here, but it is specifically used to define the orientation of the circuit board 200.

[0051] The enclosure 100 can be a cuboid, a cylinder, or a trapezoid; the specific shape is not limited here. Furthermore, the enclosure 100 can be made of metal, insulating material, or both, with the metal material encased within the insulating material. The enclosure 100 can also be made of weather-resistant material to increase the waterproof and dustproof capabilities of the photovoltaic control box 10.

[0052] In this embodiment, the circuit board 200 is disposed on the housing 100. The circuit board 200 has a first side surface 210 and a second side surface 220 disposed opposite to each other. The first side surface 210 of the circuit board 200 is positioned close to the housing 100 corresponding to the contact surface 170. The electronic components 200 are disposed on the second side surface 220 of the circuit board 200. It can be understood that the circuit board 200 is used to carry multiple electronic components 200 and to achieve effective management of the solar energy conversion process through these components. The circuit board 200 is set in an inverted state, that is, its first side surface 210 is positioned close to the housing 100 corresponding to the contact surface 170, which can be attached to the target device, while various electronic components 200 are arranged on the second side surface 220. This layout effectively utilizes vertical space and reduces the area occupied in the horizontal direction.

[0053] It should be noted that electronic components 200 include, but are not limited to, inverters, controllers, sensors, and other components. The specific components are not limited here. They are used to convert the collected solar energy into a form of electricity suitable for air conditioning.

[0054] It should be explained that the photovoltaic control box 10 is located at the top and side of the housing 500, which differs from its location at the bottom. When the photovoltaic control box 10 is installed at the top and side of the air conditioner outdoor unit, the circuit board 200 faces downwards (i.e., the electronic components 200 face downwards). Due to gravity, most dust and moisture will fall downwards, thus preventing pollutants such as dust and rainwater from directly falling onto the circuit board 200 and its electronic components 200, thereby avoiding dust accumulation. However, when located at the bottom, the circuit board 200 faces upwards, leading to dust accumulation. But this only addresses the issue of dust accumulation. Regarding space saving, regardless of its location on the target device, it contributes to the miniaturization of the target device.

[0055] In some exemplary photovoltaic control boxes, the photovoltaic control box is located behind the target device, and the circuit board is upright. Due to the different heights of the electronic components, and because the entire circuit board needs to be placed on the side of the box closest to the inside of the target device, the size of the photovoltaic control box depends on the tallest of the electronic components. This results in a lot of extra space inside the photovoltaic control box, leading to low space utilization.

[0056] In summary, this utility model provides a small-sized photovoltaic control box 10, which includes a housing 100, a circuit board 200, and electronic components 200. The housing 100 is positioned behind the target device and has a contact surface 170 that is close to the target device; this contact surface 170 serves as a reference surface. The circuit board 200 is positioned close to the contact surface 170, and the electronic components 200 are positioned on the surface of the circuit board 200 away from the contact surface 170. Based on this, a relatively inverted structure is formed, so regardless of the location of the photovoltaic control box 10 within the target device, the circuit board 200 inside the photovoltaic control box 10 always faces the interior of the target device. It is understood that the circuit board 200 in this utility model is inverted, and the shape of the housing 100 of the photovoltaic control box 10 can be set according to the height of the electronic component 200. For example, if the electronic component 200 is small, then the corresponding position of the housing 100 can be set to be flatter. In this way, the shape of the photovoltaic control box 10 provided by this utility model can depend on the height of the electronic component 200, which increases the space utilization of the photovoltaic control box 10, minimizes the size, and reduces the internal volume occupied by the target device after being installed in the target device.

[0057] On the other hand, the photovoltaic control box 10 is equipped with a photovoltaic control (MPPT) module, which can automatically adjust the operating point under different light and temperature conditions to ensure that the photovoltaic system always operates in the best state, thereby maximizing energy output.

[0058] In one embodiment, such as Figure 1 As shown, the housing 100 includes a shell 120 and a cover plate 130. The shell 120 and the cover plate 130 enclose a receiving cavity. The circuit board 200 is disposed in the receiving cavity. The cover plate 130 is fitted to the target device to form the contact surface 170.

[0059] Understandably, the housing 120 is the main structural part of the enclosure 100, forming the basic framework of the photovoltaic control box 10. The housing 120 contains one or more cavities for accommodating the circuit board 200 and electronic components 200. The design of the housing 120 takes into account the support and fixation of the circuit board 200 and the electronic components 200 thereon, ensuring that they are not affected by the external environment during use. Importantly, the shape of the housing 120 can be adjusted according to the height of the electronic components 200 behind the circuit board 200. For example, if the electronic component 200 in the first position is relatively tall, then the housing 120 corresponding to that position can also be set relatively tall, and vice versa.

[0060] Understandably, the cover plate 130 is a component that covers the opening of the housing 120, forming a closed space together with the housing 120 to protect the internal components. This ensures good sealing between the photovoltaic control box 10 and the target device, preventing dust, moisture, etc., from entering the photovoltaic control box 10 and damaging the circuit board 200 and electronic components 200. The cover plate 130 is the side used to fit the target device (such as an air conditioner outdoor unit). In other words, when the photovoltaic control box 10 is installed on the target device, the cover plate 130 becomes the contact surface 170 between the photovoltaic control box 10 and the target device. It should be noted that the size of the cover plate 130 depends on the size of the circuit board 200. The space corresponding to this location on the target device itself has little use, thus minimizing its impact on the size of the target device.

[0061] In one embodiment, such as Figure 2 As shown, the receiving cavity includes a first cavity 141 and a second cavity 142. The height of the first cavity 141 is greater than the height of the second cavity 142, and the height of the second cavity 142 decreases towards a first direction. Optionally, the first direction can be the side away from the first cavity 141 to ensure the integrity and aesthetics of the entire housing 120. The first cavity 141 is designed to be relatively tall, suitable for placing electronic components 200 that are large in size or require more vertical space; while the height of the second cavity 142 gradually decreases, becoming lower and lower towards the side away from the first cavity 141. This height difference allows the photovoltaic control box 10 to more closely fit the actual size of the internal electronic components 200, avoiding the problem of excess gaps caused by traditional uniform height designs. In this way, not only is the utilization rate of the internal space of the photovoltaic control box 10 improved, but its occupation of the internal space of the target device (such as an air conditioner outdoor unit) is also reduced, thereby achieving overall size optimization. In addition, this design also enhances the aesthetics of the photovoltaic control box 10 and the stability of its structure, ensuring stable installation under various environmental conditions.

[0062] In this embodiment, the electronic component 200 includes a first electronic component group 200 and a second electronic component group 200. The height of the first electronic component group 200 is greater than that of the second electronic component group 200. The first electronic component group 200 is located on the circuit board 200 at the position corresponding to the first cavity 141, and the second electronic component group 200 is located on the circuit board 200 at the position corresponding to the second cavity 142. That is to say, each electronic component 200 can be properly placed, while reducing unnecessary gaps. In this way, not only is the utilization rate of the internal space of the photovoltaic control box 10 improved, but the overall size of the photovoltaic control box 10 is also made more compact, reducing the occupation of the internal space of the target device.

[0063] Optionally, since the height of the second cavity 142 decreases in the first direction, the height of the second electronic component group 200 can also be arranged to decrease in the first direction to match the second cavity 142.

[0064] The classification of the first electronic component group 200 and the second electronic component group 200 can be based solely on their height, regardless of their component functions. Of course, in some special cases, for ease of layout, some small-sized components can be added to the first electronic component group 200, as long as the tallest component in the first electronic component group is not lower than the largest component in the second electronic component group 200.

[0065] In this embodiment, the first electronic component group 200 includes a power device 310; the first cavity 141 has a heat-insulating cavity 1411 protruding away from the contact surface 170, and the power device 310 is disposed in the heat-insulating cavity 1411. Since the power device 310 generates a large amount of heat during operation, affecting the performance of the photovoltaic control box 10, the heat-insulating cavity 1411 is located away from the contact surface 170, that is, relatively away from the circuit board 200, so that the power device 310 can be disposed; in this way, the power device 310 can be disposed away from the circuit board 200, reducing the impact of heat generation on the circuit board 200, and at the same time, heat dissipation can be enhanced through the heat-insulating cavity 1411.

[0066] Understandably, the power device 310 is typically a component that generates a lot of heat and is large in size, such as switching elements (like IGBTs or MOSFETs), high-current diodes, and inductor components in an inverter.

[0067] In one embodiment, such as Figure 1 and Figure 5 As shown, the cover plate 130 has a cover body 133 and a surrounding wall 134 disposed along the edge of the cover body 133. The cover body 133 and the surrounding wall 134 form a mounting groove, and the circuit board 200 is disposed in the mounting groove. In this embodiment, the cover plate 130 has a connector protruding into the mounting groove at a position corresponding to the surrounding wall 134, and the circuit board 200 is fixed in the mounting groove by the connector. In this way, the circuit board 200 is embedded in the mounting groove, which can prevent external objects from directly contacting the circuit board 200 and reduce damage caused by accidental collisions or environmental factors. At the same time, the mounting groove can help the circuit board 200 to be accurately positioned, ensuring its stable position within the photovoltaic control box 10 and preventing it from moving or loosening.

[0068] In one embodiment, such as Figure 3As shown, the enclosure 100 includes an insulating enclosure and a protective enclosure, with the protective enclosure covering the insulating enclosure; the circuit board 200 is housed within the insulating enclosure. It can be understood that the enclosure 100 of the photovoltaic control box 10 is designed with a double-layer structure, including an inner insulating enclosure and an outer protective enclosure. The insulating enclosure directly houses the circuit board 200 and its electronic components 200, providing necessary electrical isolation and protection to prevent short circuits and other electrical faults. The protective enclosure covers the outside of the insulating enclosure, providing additional physical protection against impacts, vibrations, and harsh weather conditions such as rain and dust. This not only improves the overall protective performance of the photovoltaic control box 10 and ensures the safe operation of the internal electronic components 200, but also enhances the durability and reliability of the photovoltaic control box 10.

[0069] In this embodiment, the insulating enclosure can be made of heat-dissipating material, specifically plastic; the protective enclosure can be a metal enclosure 100, used to strengthen the structural strength of the photovoltaic control box 10, specifically sheet metal. The specific materials of the insulating and protective enclosures are not limited here.

[0070] In this embodiment, as Figure 2 and Figure 3 As shown, the insulating enclosure includes an insulating cover plate 131 and an insulating shell 121, which together form an insulating cavity 160. The circuit board 200 is located on the insulating shell 121 at a position corresponding to the insulating cavity 160. The protective enclosure includes a protective cover plate 132 and the protective shell 122. This design facilitates targeted maintenance.

[0071] In one embodiment, the insulating cover 131 has a first mounting member, and the protective cover 132 has a first mating member connected to the first mounting member, wherein the insulating cover 131 is connected to the protective cover 132 via the first mounting member; the insulating housing 121 has a second mounting member, and the protective housing 122 has a second mating member connected to the second mounting member, wherein the insulating housing 121 is connected to the protective housing 122 via the second mounting member; the insulating cover 131 has a third mounting member 1311, and the insulating housing 121 has a third mating member connected to the third mounting member 1311, wherein the insulating cover 131 is connected to the insulating housing 121 via the third mounting member 1311.

[0072] Understandably, the insulating cover 131 has a first mounting component, while the protective cover 132 has a corresponding first mating component, and the two are connected through these components. Similarly, the insulating housing 121 has a second mounting component, and the protective housing 122 has a corresponding second mating component, enabling these two parts to be firmly joined. Furthermore, the insulating cover 131 also has a third mounting component 1311, and the insulating housing 121 has a corresponding third mating component, ensuring a tight connection between the insulating cover 131 and the insulating housing 121. When the insulating cover 131 and the insulating housing 121 are connected, the entire housing 100 is formed. Thus, the multi-point connection design ensures a firm connection between the various components and improves the stability of the overall structure.

[0073] Optionally, the mounting part 110 can be a snap-fit, and the mating part can be a slot corresponding to the snap-fit. It is understood that the snap-fit ​​and slot connection method not only provides a simple and quick assembly process but also ensures the stability and sealing between the components. Thus, the entire photovoltaic control box 10 can be quickly assembled and easily disassembled, facilitating maintenance and replacement of internal components.

[0074] In one embodiment, the housing 100 has a wiring port on the side adjacent to the contact surface 170, and the connector of the circuit board 200 is electrically connected to the target device through the wiring port. It is understood that the presence of the wiring port makes the electrical connection between the circuit board 200 and the target device more direct and simple, reduces the use of external wires, and avoids complex wiring processes.

[0075] The number of connection ports can be one or more, depending on the actual application, and is not limited here.

[0076] In this embodiment, a sealing ring can also be provided at the wiring port. This sealing ring can be directly fixed to the corresponding position by the third mounting member 1311 and the third mating member, achieving simple assembly. It is understood that the sealing ring can ensure a sealing effect at the wiring port, preventing dust, moisture, and other contaminants from entering the photovoltaic control box 10, thereby protecting the circuit board 200 and its electronic components 200 from damage. Furthermore, the sealing ring is fixed by the third mounting member 1311 and the third mating member, reducing the steps required to design the assembly structure of the sealing ring.

[0077] The sealing ring can be one of the following materials: silicone rubber, fluororubber, nitrile rubber, or EPDM rubber.

[0078] In one embodiment, such as Figure 1 , Figure 4 and Figure 5As shown, the housing 100 has an opening 150 on the side away from the contact surface 170; a heat sink 400 is also provided on the circuit board 200, and the heat sink 400 is positioned corresponding to the opening 150. Thus, the heat sink 400 can dissipate the heat generated by the circuit board 200 during operation, improving the performance of the photovoltaic control box 10. In this embodiment, the heat sink 400 is at least partially exposed outside the housing 100. It can be understood that by placing the heat sink 400 at the opening 150, the heat sink 400 connects the interior and exterior of the housing 100, enhancing the heat dissipation performance of the photovoltaic control box 10. Further explanation: the opening 150 allows the heat sink 400 to directly contact the external environment, thereby more effectively dissipating the heat generated by the circuit board 200 and its electronic components 200, preventing performance degradation or damage due to overheating. In addition, the opening 150 also promotes air circulation, forming natural convection, further improving heat dissipation efficiency. At the same time, the position of the radiator 400 near the opening 150 is also convenient for cleaning and maintenance, ensuring that it maintains efficient heat dissipation capabilities for a long time.

[0079] This utility model also provides a refrigeration device 20, such as Figure 6 and Figure 7 As shown, the refrigeration device 20 includes a housing 500, a device body 600, and a photovoltaic control box 10. It should be noted that the specific structure of the photovoltaic control box 10 is the same as described in the above embodiments. Since the refrigeration device 20 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.

[0080] It is understandable that the cooling equipment 20 can be a photovoltaic air conditioner, specifically an outdoor unit; the photovoltaic control box 10 can be a photovoltaic control box used to convert light energy into electrical energy. The outdoor unit is located outdoors, and the photovoltaic control box is located within the outdoor unit, effectively collecting light energy to improve the utilization rate of the photovoltaic control box 10.

[0081] It should be noted that when the refrigeration equipment 20 is an air conditioner, it can be a central air conditioner, a floor-standing air conditioner, a wall-mounted air conditioner, etc. However, the specific refrigeration equipment 20 is not limited here. The key point is that when the photovoltaic control box 10 is installed on the refrigeration equipment 20, it can help to achieve a miniaturized design of the refrigeration equipment 20.

[0082] In this embodiment, as Figure 6 and Figure 7As shown, both the main body 600 and the photovoltaic control box 10 are housed within the casing 500. Due to the optimized design and small size of the photovoltaic control box 10, its installation within the casing 500 significantly reduces space occupancy, thus achieving a miniaturized overall design of the cooling equipment 20. Furthermore, by inverting the circuit board 200, the electronic components 200 are positioned away from the contact surface 170, effectively utilizing vertical space and reducing horizontal footprint. Additionally, the interior of the photovoltaic control box 100 is divided into a first cavity 141 and a second cavity 142 of different heights, rationally arranged according to the height of the electronic components 200: taller components (such as power devices 310) are placed in the taller first cavity 141, while shorter components are placed in the gradually decreasing second cavity 142. This layout not only maximizes the use of internal space but also reduces unnecessary gaps, improving space utilization. Through these design improvements, the overall size of the photovoltaic control box 10 can be reduced, thereby enabling the entire cooling device 20 to be more compact and miniaturized, while maintaining high efficiency and good heat dissipation.

[0083] In one embodiment, the photovoltaic control box 10 is disposed at the top of the housing 500, and the cover plate 130 of the photovoltaic control box 10 forms the contact surface 170 with the top of the housing 500. It is understood that the photovoltaic control box 10 is specifically a photovoltaic control box, and its placement at the top makes it easier to access the light source, improving the working efficiency of the photovoltaic control box 10. Simultaneously, when the photovoltaic control box 10 is installed on the top of the air conditioner outdoor unit, the circuit board 200 faces downwards (i.e., the electronic components 200 face downwards). Due to gravity, most dust and moisture will fall downwards, thus preventing dust, rainwater, and other environmental pollutants from directly landing on the circuit board 200 and its electronic components 200, thereby avoiding dust accumulation.

[0084] In one embodiment, the housing 100 of the photovoltaic control box 10 has an opening 150 on the side away from the contact surface 170. A heat sink 400 is also provided on the circuit board 200 of the photovoltaic control box 10, and the heat sink 400 is positioned corresponding to the opening 150. The housing 500 is also provided with an air inlet and an air outlet communicating with the air inlet. An air duct 510 is formed between the air inlet and the air outlet, and the heat sink 400 of the photovoltaic control box 10 is located in the air duct 510.

[0085] Understandably, the radiator 400 is directly exposed to the external environment, thus dissipating heat more effectively. Meanwhile, the housing 500 has an air inlet and an air outlet, forming an air duct 510 between them. The radiator 400 of the photovoltaic control box 10 is placed within this air duct 510, allowing incoming cool air to directly pass through the radiator 400 to remove heat before being exhausted from the air outlet. In this way, the radiator 400 itself can dissipate heat, and combined with the existing air duct 510 in the cooling device 20, the heat dissipation efficiency of the radiator 400 is enhanced, effectively preventing the photovoltaic control box 10 from overheating and ensuring its long-term stable operation.

[0086] In one embodiment, such as Figure 2 , Figure 6 and Figure 7 As shown, the cooling device 20 also includes a fan 700 disposed in the air duct 510; the photovoltaic control box 10 includes a second cavity 142, the height of the second cavity 142 decreasing towards the fan 700, so that a fan avoidance area 1421 is formed at the position of the photovoltaic control box 10 corresponding to the second cavity 142, and the fan 700 operates in the fan avoidance area 1421.

[0087] Understandably, the cooling device 20 also includes a fan 700 located within the air duct 510 to force airflow and further enhance heat dissipation. The photovoltaic control box 10 includes a second cavity 142 with a gradually decreasing height, which decreases towards the fan 700. This creates a fan clearance area 1421 at the location of the photovoltaic control box 10 corresponding to the second cavity 142. When the fan 700 operates, this clearance area 1421 can be fully utilized, ensuring sufficient space between the fan 700 blades and the photovoltaic control box 10, avoiding positional conflicts between the fan 700 and the photovoltaic control box 10, which would necessitate increasing the size of the cooling device 20 to prevent mutual interference. Therefore, the existence of the fan clearance area 1421 not only ensures the effective operation of the fan 700 but also allows for a more compact layout of the entire photovoltaic control box 10. Through the ingenious cooperation between the fan 700 and the second cavity 142 of the photovoltaic control box 10, heat dissipation performance is improved, internal space utilization is optimized, and the miniaturization design of the cooling device 20 is further promoted.

[0088] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A photovoltaic control box, characterized in that, The photovoltaic control box includes: The enclosure has a mounting part, the enclosure is mounted on the target device via the mounting part, and the enclosure has a contact surface that contacts the target device; A circuit board is disposed in the housing, and the circuit board has a first side surface and a second side surface that are disposed opposite to each other; the first side surface of the circuit board is disposed near the housing at a position corresponding to the contact surface. An electronic component is disposed on the second side surface of the circuit board.

2. The photovoltaic control box as described in claim 1, characterized in that, The enclosure includes a shell and a cover plate, the shell and the cover plate enclosing a receiving cavity, the circuit board is disposed in the receiving cavity, and the cover plate is fitted to the target device to form the contact surface.

3. The photovoltaic control box as described in claim 2, characterized in that, The receiving cavity includes a first cavity and a second cavity, wherein the height of the first cavity is greater than the height of the second cavity, and the height of the second cavity decreases in a first direction. The electronic components include a first group of electronic components and a second group of electronic components, wherein the height of the first group of electronic components is greater than that of the second group of electronic components. The first electronic component group is disposed on the circuit board at the position corresponding to the first cavity, and the second electronic component group is disposed on the circuit board at the position corresponding to the second cavity.

4. The photovoltaic control box as described in claim 2, characterized in that, The cover plate has a cover body and a surrounding wall disposed along the edge of the cover body, the cover plate and the surrounding wall forming a mounting groove, and the circuit board is disposed in the mounting groove; The cover plate has a connector protruding into the mounting groove at the position corresponding to the enclosure wall, and the circuit board is fixed in the mounting groove by the connector.

5. The photovoltaic control box as described in claim 2, characterized in that, The enclosure includes an insulating enclosure and a protective enclosure, with the protective enclosure covering the insulating enclosure; The circuit board is housed inside the insulating box.

6. The photovoltaic control box as described in claim 5, characterized in that, The insulating enclosure includes an insulating cover and an insulating shell, the insulating cover and the insulating shell forming an insulating cavity, and the circuit board is disposed on the insulating shell at a position corresponding to the insulating cavity; the protective enclosure includes a protective cover and a protective shell; The insulating cover has a first mounting member, and the protective cover has a first mating member connected to the first mounting member. The insulating cover is connected to the protective cover through the first mounting member. The insulating housing has a second mounting member, and the protective housing has a second mating member connected to the second mounting member. The insulating housing is connected to the protective housing through the second mounting member. The insulating cover has a third mounting member, and the insulating housing has a third mating member connected to the third mounting member. The insulating cover is connected to the insulating housing through the third mounting member.

7. The photovoltaic control box as described in claim 1, characterized in that, An opening is provided on the side of the housing away from the contact surface, and a heat sink is also provided on the circuit board, with the heat sink positioned corresponding to the opening. The radiator is at least partially exposed outside the enclosure.

8. A refrigeration device, characterized in that, The refrigeration equipment includes: chassis; The main body of the equipment is disposed within the housing; and, The photovoltaic control box as described in any one of claims 1 to 7, wherein the photovoltaic control box is disposed inside the housing, the photovoltaic control box is disposed at the top of the housing, and the cover plate of the photovoltaic control box forms the contact surface with the top of the housing.

9. The refrigeration equipment as described in claim 8, characterized in that, The photovoltaic control box has an opening on the side of its housing away from the contact surface. A heat sink is also provided on the circuit board of the photovoltaic control box, and the heat sink is positioned corresponding to the opening. The housing is also provided with an air inlet and an air outlet connected to the air inlet, and an air duct is formed between the air inlet and the air outlet. The heat sink of the photovoltaic control box is located in the air duct.

10. The refrigeration equipment as described in claim 9, characterized in that, The refrigeration equipment also includes a fan installed in the air duct; The photovoltaic control box includes a second cavity, the height of which decreases toward the fan, so that a fan avoidance zone is formed at the position of the photovoltaic control box corresponding to the second cavity, and the fan operates in the fan avoidance zone.

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