Protective device, outdoor unit and heating and ventilation equipment

Abstract

The utility model particularly relates to a protective device, outdoor unit and heating and ventilation equipment, the protective device is used for the outdoor unit, the protective device specifically comprises a main body part and a clamping piece, the main body part is provided with a containing groove, the bottom of the containing groove is provided with a mounting hole, and a U-shaped bent pipe of a heat exchanger can penetrate through the mounting hole and is contained in the containing groove. The clamping piece is arranged on the main body part and used for being connected with the U-shaped bent pipe in a clamped mode. According to the protection device, at least one U-shaped bent pipe on at least one row of heat exchange pipes can be inserted and fixed on the main body part, and the U-shaped bent pipe is accommodated in the accommodating groove of the main body part, so that the protection of the U-shaped bent pipe can be realized, the reliability is better, and the problem that a U-shaped elbow of a heat exchanger in the prior art is easy to damage is solved. In addition, the protection device is simple in structure, convenient to install and capable of being suitable for an outdoor unit and an indoor unit in the air conditioner.

Description

Technical Field

[0001] This utility model relates to the field of air conditioner technology, specifically to a protective device, an outdoor unit, and HVAC equipment. Background Technology

[0002] The condenser or evaporator in an air conditioner is generally a double-row finned structure or a triple-row finned structure.

[0003] The manufacturing process of heat exchangers used in air conditioners is mainly as follows: First, the copper tubes are bent to form long U-shaped tubes; then, fins are punched; next, the tubes are threaded, with the U-shaped tubes being inserted sequentially from one end plate of the heat exchanger into the holes of the fins and the tube ends entering the end plate on the other side; after threading, the tubes are expanded to make the copper tubes and fins interference fit; then, a drying process to remove ash and oil is carried out; finally, U-shaped bends are inserted into the corresponding positions on the end plates with the tube ends, so that the two joints of the U-shaped bends are inserted into the two tube ends respectively, and then the U-shaped bends are welded together with the tube ends, and the U-shaped tubes are connected in series to form a fluid passage.

[0004] However, connecting multi-row condenser structures has always been a challenge for those skilled in the art, and the U-bends are generally exposed, making them susceptible to damage during transportation, installation, or use. This can easily lead to damage to the U-bends of the condenser or to other structures due to misalignment, thus affecting their service life. Utility Model Content

[0005] The purpose of this invention is to at least solve the problem of easy damage to the U-shaped elbow of heat exchangers in the prior art. This purpose is achieved through the following technical solution:

[0006] The first aspect of this utility model discloses an outdoor unit, used for outdoor unit applications, comprising:

[0007] The main body has a receiving groove, and the bottom of the receiving groove is provided with a mounting hole, through which the U-shaped bend of the heat exchanger can pass and be accommodated in the receiving groove;

[0008] A snap-fit ​​component is disposed on the main body and is used to snap-fit ​​the U-shaped bend.

[0009] The protective device of this utility model includes a main body and a mounting component. By providing a main body with mounting holes and a mounting component on the main body, at least one U-shaped bend on at least one row of heat exchange tube assemblies can be inserted and fixed onto the main body. Furthermore, the U-shaped bend is housed in a receiving groove in the main body, thus providing protection for the U-shaped bend with good reliability. Moreover, it has a simple structure, is easy to install, and is applicable to both outdoor and indoor units in air conditioners, exhibiting good compatibility. In addition, it helps to save manufacturing costs and improve manufacturing efficiency.

[0010] In addition, the protective device according to this utility model may also have the following additional technical features:

[0011] In some embodiments of this utility model, the number of mounting holes is set to multiple, and each mounting hole is used for one of the U-shaped bends to pass through.

[0012] In some embodiments of this utility model, the number of mounting holes is set to two, and the two mounting holes are arranged at intervals along a first direction or along a second direction. The first direction is perpendicular to the second direction and perpendicular to the through direction of the mounting holes.

[0013] In some embodiments of this utility model, a plurality of the mounting holes are arranged in a rectangular array at the bottom of the receiving groove and are used to match the arrangement of the U-shaped elbows in the heat exchanger.

[0014] In some embodiments of this utility model, the bottom of the receiving groove is provided with reinforcing ribs, and the reinforcing ribs are disposed between two adjacent mounting holes.

[0015] In some embodiments of this utility model, the main body includes a bottom wall and a side wall, the side wall extends along the circumferential edge of the bottom wall and cooperates with the bottom wall to form the receiving groove, and the mounting hole is formed in the bottom wall;

[0016] The card assembly includes:

[0017] The first part is disposed on the bottom wall;

[0018] The second part, along the through direction of the mounting hole, is spaced apart from the bottom wall. The second part extends along the inner periphery of the mounting hole. Along the extension direction of the second part, one end of the second part is connected to the first part, and the other end of the second part is suspended in the mounting hole. In a direction perpendicular to the through direction of the mounting hole, at least a portion of the second part is disposed opposite to a portion of the side wall. The portion of the second part disposed opposite to the side wall and the side wall together are used to engage with the U-shaped bend.

[0019] In some embodiments of this utility model, the sidewall includes a first sidewall and a second sidewall. The first sidewall and the second sidewall are arranged opposite to each other along a direction perpendicular to the through direction of the mounting hole. The first sidewall is arranged opposite to a portion of the second part and together they are used to engage with the U-shaped bend.

[0020] The first sidewall is also provided with a clearance groove, which is perpendicular to the through direction of the mounting hole. The clearance groove is disposed opposite to the mounting member and passes through the first sidewall.

[0021] In some embodiments of this utility model, a support portion is provided on the side of the second sidewall away from the receiving groove, and the support portion protrudes from the second sidewall toward the direction away from the receiving groove.

[0022] The second aspect of this utility model provides an outdoor unit, including a heat exchanger and a protective device as described in this utility model.

[0023] Compared with the prior art, the outdoor unit proposed in this utility model has the technical advantages of the aforementioned protective device, which will not be elaborated here.

[0024] In some embodiments of this utility model, the heat exchanger has at least two heat exchange units, each heat exchange unit has a plurality of U-shaped bends spaced apart along a first direction, and the U-shaped bends of two adjacent heat exchange units are staggered along the first direction.

[0025] The third aspect of this utility model provides a heating, ventilation, and air conditioning (HVAC) device, including the outdoor unit described in this utility model.

[0026] Compared with the existing technology, the HVAC equipment proposed in this utility model has the technical advantages of the outdoor unit mentioned above, which will not be elaborated here. Attached Figure Description

[0027] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of the invention. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0028] Figure 1 This is a partial structural schematic diagram of the outdoor unit according to an embodiment of the present utility model;

[0029] Figure 2 for Figure 1 The diagram shows the connection between the heat exchanger and the bent tube fixing device.

[0030] Figure 3 for Figure 1 The diagram shows the connection between the heat exchanger and the bent tube fixing device from another perspective.

[0031] Figure 4 for Figure 2 A schematic diagram of the pipe fixing device shown in the figure;

[0032] Figure 5 for Figure 2 A schematic diagram of the pipe fixing device shown in the image from another perspective;

[0033] Figure 6 for Figure 2 A schematic diagram of the pipe fixing device shown in the third-person perspective;

[0034] Figure 7 This is a schematic diagram of another structure for connecting the heat exchanger and the bent tube fixing device as shown in the embodiment of this utility model.

[0035] Figure 8 This is a schematic diagram of a third structure for connecting the heat exchanger and the bent pipe fixing device according to an embodiment of the present invention.

[0036] The markings in the attached diagram are as follows:

[0037] 1. Outdoor unit;

[0038] 10. Housing; 1001. First cavity; 1002. Second cavity;

[0039] 61. Heat exchanger; 611. U-shaped bend;

[0040] 62. Protective devices;

[0041] 621. Main body; 6211. Receiving groove; 6212. Mounting hole; 6213. Reinforcing rib; 6214. Clearance groove; 6215. Extension;

[0042] 622, Card assembly; 6221, Part 1; 6222, Part 2;

[0043] 623. Support section. Detailed Implementation

[0044] Exemplary embodiments of the present disclosure will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0045] It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “described” as used herein may also mean including the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in a particular order described or illustrated unless the order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.

[0046] Although terms such as first, second, third, etc., may be used in this document to describe multiple elements, components, regions, layers, and / or segments, these elements, components, regions, layers, and / or segments should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or segment from another. Unless the context clearly indicates otherwise, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence. Therefore, the first element, component, region, layer, or segment discussed below may be referred to as the second element, component, region, layer, or segment without departing from the teachings of the exemplary embodiments.

[0047] For ease of description, spatial relative terms may be used in the text to describe the relationship of one element or feature relative to another element or feature, as shown in the figure. These relative terms include, for example, "inside," "outside," "middle," "outer," "below," "below," "above," "over," etc. Such spatial relative terms are intended to include different orientations of the device in use or operation, other than those depicted in the figure. For example, if the device in the figure is flipped, an element described as "below other elements or features" or "below other elements or features" would subsequently be oriented "above other elements or features" or "above other elements or features." Therefore, the example term "below" can include both upper and lower orientations.

[0048] Split-type air conditioners consist of an indoor unit and an outdoor unit. Typically, the indoor unit includes components such as an evaporator, fan, air filter, and heater. The outdoor unit mainly includes components such as the casing, compressor, condenser, and chassis. The condenser and evaporator are generally of a double-row or triple-row finned structure.

[0049] The manufacturing process of heat exchangers used in air conditioners is mainly as follows: First, the copper tubes are bent to form long U-shaped tubes; then, fins are punched; next, the tubes are threaded, with the U-shaped tubes being inserted sequentially from one end plate of the heat exchanger into the holes of the fins and the tube ends entering the end plate on the other side; after threading, the tubes are expanded to make the copper tubes and fins interference fit; then, a drying process to remove ash and oil is carried out; finally, U-shaped bends are inserted into the corresponding positions on the end plates with the tube ends, so that the two joints of the U-shaped bends are inserted into the two tube ends respectively, and then the U-shaped bends are welded together with the tube ends, and the U-shaped tubes are connected in series to form a fluid passage.

[0050] However, connecting multi-row condenser structures has always been a challenge for those skilled in the art, and the U-bends are generally exposed, making them susceptible to damage during transportation, installation, or use. This can easily lead to damage to the U-bends of the condenser or to other structures due to misalignment, thus affecting their service life.

[0051] like Figures 1-6 As shown, this utility model proposes a protective device 62 for a heat exchanger 61, which at least solves the problem of easy damage to the U-shaped bend of the heat exchanger 61 in the prior art. In terms of overall design, the protective device 62 includes a main body 621 and a mounting member 622. The main body 621 has a receiving groove 6211, and the bottom of the receiving groove 6211 has a mounting hole 6212, through which the U-shaped bend of the heat exchanger 61 can pass and be accommodated in the receiving groove 6211. The mounting member 622 is disposed on the main body 621 and is used to engage with the U-shaped bend.

[0052] Specifically, by providing a main body 621 with mounting holes 6212 and a retaining member 622 provided on the main body 621, at least one U-shaped bend on at least one row of heat exchange tube assemblies can be inserted and fixed onto the main body 621. Furthermore, the U-shaped bend is housed in the receiving groove 6211 of the main body 621, enabling the protective device 62 to protect the U-shaped bend 611 with good reliability. Moreover, the structure is simple, installation is convenient, and it is applicable to both the outdoor unit 1 and the indoor unit of an air conditioner, exhibiting good compatibility. In addition, it helps to save manufacturing costs and improve manufacturing efficiency.

[0053] It is necessary to understand that, such as Figure 1 As shown, the outdoor unit 1 includes a housing 10. An internal partition (not shown) divides the interior of the housing 10 into a first chamber 1001 and a second chamber. The first chamber 1001 houses a compressor and a four-way valve assembly. The second chamber houses a fan and a heat exchanger 61, one end of which extends into the first chamber 1001 and communicates with the four-way valve assembly. The four-way valve assembly is connected to the compressor and the outside via piping.

[0054] In this embodiment, the heat exchanger 61 includes a first part and a second part, wherein the first part and the second part are arranged perpendicularly, the length of the second part is shorter than the length of the first part, and the connection between the first part and the second part is smoothly transitioned. The first part is provided with a plurality of U-shaped bends, which are located at the end of the first part opposite to the second part and are arranged continuously in the vertical direction to form a heat exchange unit. Simultaneously, the second part is provided with a plurality of U-shaped bends, which are located at the end of the second part opposite to the first part and are arranged continuously in the vertical direction to form a heat exchange unit.

[0055] like Figures 2-8 As shown, the protective device 62 includes a main body 621 and a mounting member 622. The main body 621 is a block structure with a receiving groove 6211 and a mounting hole 6212 at the bottom. The U-shaped bend of the heat exchanger 61 can pass through the mounting hole 6212 and be housed in the receiving groove 6211. In this case, the U-shaped bend is less likely to be damaged by external forces due to the receiving groove 6211.

[0056] like Figures 4-8 As shown, the snap-fit ​​component 622 is disposed in the receiving groove 6211 of the main body 621, and is used to snap onto the U-shaped bend. Connecting the protective device 62 to the U-shaped bend 611 using a snap-fit ​​method helps ensure the stability of the protective device 62 installation and reduces damage to the U-shaped bend 611 and heat exchanger 61 caused by the protective device 62. Furthermore, the snap-fit ​​connection improves the ease of connecting or disconnecting the protective device 62 from the U-shaped bend 611, thereby enhancing the effectiveness of the protective device 62.

[0057] It should be noted that when the heat exchanger 61 of the outdoor unit 1 is equipped with a row of U-shaped bends, the number of protective devices 62 can be set to one or more. When there is one protective device 62, the number of mounting holes 6212 is the same as the number of U-shaped bends of the heat exchanger 61. When there are multiple protective devices 62, the number of mounting holes 6212 can be set to one, or it can be set to two, three, four or six, etc., and they are spaced apart in the vertical direction.

[0058] Furthermore, multiple mounting holes 6212 are arranged in a rectangular array at the bottom of the receiving groove 6211 and are used to match the arrangement of the U-shaped bends 611 in the heat exchanger 61.

[0059] Specifically, by setting multiple mounting holes 6212, the protective device 62 can simultaneously protect two U-shaped bends arranged along the first direction A and two U-shaped bends arranged along the second direction B, which helps to further reduce production costs while ensuring the reliability of its protection.

[0060] It is necessary to understand that, such as Figures 2-6 As shown, in this embodiment, the number of mounting holes 6212 is set to four. In this case, four U-shaped bends 611 can pass through the mounting holes 6212 and be accommodated in the receiving groove 6211. The four mounting holes 6212 are arranged in pairs along the second direction B, while the two sets of mounting holes 6212 are also arranged at intervals along the first direction A. That is, the four mounting holes 6212 are arranged in a rectangular array at the bottom of the receiving groove 6211. This arrangement allows the protective device 62 to protect all four U-shaped bends 611 at once, and, in conjunction with the clearance groove 6214 and the locking component 622 described below, achieves a more convenient assembly and disassembly effect.

[0061] It should be pointed out that, as Figure 7 As shown, the number of mounting holes 6212 can also be set to six. In this case, the six mounting holes 6212 are arranged in groups of three along the second direction B, and the two groups of mounting holes 6212 are arranged in groups of three along the first direction A. This arrangement allows the protective device 62 to protect all six U-shaped bends 611 at once. This arrangement helps to reduce the number of protective devices 62 when multiple heat exchange units of the heat exchanger 61 are arranged adjacently along the second direction B, thereby helping to further reduce the amount of material used in the production of the product.

[0062] In some other embodiments of this application, the number of mounting holes 6212 is set to two, and the two U-shaped bends 611 are arranged at intervals along the first direction A or at intervals along the second direction B.

[0063] Specifically, by setting two mounting holes 6212, the protective device 62 can simultaneously protect two U-shaped bends 611. At the same time, when the two mounting holes 6212 are arranged at intervals along the first direction A, it helps to reduce the amount of material used, thereby further reducing production costs. When the two mounting holes 6212 are arranged at intervals along the second direction B, since the second direction B is perpendicular to the first direction A, the heat exchanger 61 has two rows of U-shaped bends 611. While reducing the amount of material used, it can effectively improve the connection effect of adjacent rows of U-shaped bends 611 in the heat exchanger 61.

[0064] It should be understood that, in this embodiment, the heat exchanger 61 has at least one heat exchange unit, each heat exchange unit including multiple U-shaped bends 611, and the multiple U-shaped bends 611 are continuously arranged along a first direction A, the first direction A being perpendicular to the through direction of the mounting hole 6212, such as... Figures 1-3 As shown, the first direction A is vertical. Accordingly, the mounting holes 6212 of the protective device 62 are arranged at intervals along the first direction A, and can protect at least two U-shaped bends 611 at the same time, which helps to reduce the amount of material used and lower production costs.

[0065] like Figure 2 , Figure 3 , Figure 7 and Figure 8 As shown, when the heat exchanger 61 has multiple heat exchange units, each heat exchange unit includes multiple U-shaped bends 611, and the multiple U-shaped bends 611 are continuously arranged along a first direction A (vertical direction). The multiple heat exchange units are sequentially arranged along a second direction B, wherein the second direction B is perpendicular to the first direction A and perpendicular to the through direction of the mounting holes 6212. In this case, the main body 621 has multiple mounting holes 6212, which can be arranged at intervals along the vertical direction, or the multiple mounting holes 6212 can be arranged at intervals along the second direction B. When the multiple mounting holes 6212 can be arranged at intervals along the second direction B, the protective device 62 can simultaneously protect the U-shaped bends 611 of multiple heat exchange units, which helps to improve the connection effect of the multiple heat exchangers 61.

[0066] Furthermore, the bottom of the receiving groove 6211 is provided with a reinforcing rib 6213, which separates at least two mounting holes 6212 on both sides of the reinforcing rib 6213.

[0067] Specifically, if the number of mounting holes 6212 is set to at least two, the protective space of the receiving groove 6211 is increased. Furthermore, since there is a certain interval between any two adjacent U-shaped bends 611, the protective space of the receiving groove 6211 is further increased, thereby reducing the structural strength of the protective device 62. By providing reinforcing ribs 6213, the structure of the protective device 62 is strengthened, and its service life is increased.

[0068] It should be understood that in this embodiment, the main body 621 is a flexible component. Optionally, the main body 621 is a plastic component. In this case, the main body 621 has a smaller deformation and better structural support, which helps to improve the protective effect of the protective device 62 on the U-shaped bend 611. The main body 621 includes a bottom wall and a side wall. The side wall extends around the circumferential edge of the bottom wall and cooperates with the bottom wall to form a receiving groove 6211. The mounting hole 6212 is formed on the bottom wall.

[0069] In this embodiment, a reinforcing rib 6213 is provided on the bottom wall, and the reinforcing rib 6213 separates at least two mounting holes 6212 on both sides of the reinforcing rib 6213. Figures 4-6As shown, four mounting holes 6212 are provided on the bottom wall, arranged in a rectangular array. Meanwhile, the reinforcing ribs 6213 include a first reinforcing rib (not shown) extending along a first direction A and a second reinforcing rib (not shown) extending along a second direction B. The first reinforcing rib divides the four mounting holes 6212 into two groups, respectively located on opposite sides of the first reinforcing rib. Since the spacing between two consecutive mounting holes 6212 along the first direction A is greater than the spacing between two spaced mounting holes 6212 along the second direction B, one end of the second reinforcing rib is connected to one side wall of the receiving groove 6211, and the two mounting holes 6212 are respectively located on opposite sides of the second reinforcing rib. This arrangement helps to reduce the manufacturing cost of the product while ensuring the structural strength of the main body 621.

[0070] Furthermore, the mounting component 622 includes a first part 6221 and a second part 6222. The first part 6221 is disposed on the bottom wall, and the second part 6222 is disposed on the first part 6221, extending along the through direction of the mounting hole 6212. The second part 6222 is spaced apart from the bottom wall and extends along the inner periphery of the mounting hole 6212. One end of the second part 6222 is connected to the first part along its extending direction, and the other end of the second part 6222 is suspended in the receiving groove 6211. The portion of the second part 6222 opposite to the side wall is positioned perpendicular to the through direction of the mounting hole 6212. The suspended portion of the second part 6222 and the side wall together are used to engage with the U-shaped bend 611.

[0071] Specifically, the mounting component 622 is configured as a first part 6221 and a second part 6222, which enables the mounting component 622 to be connected and fixed to the main body part 621. At the same time, by spacing the second part 6222 from the bottom of the receiving groove 6211, the second part 6222 is suspended in a suspended state, at which time the second part 6222 has a certain deformation. By setting the limiting section of the second part 6222 on opposite sides of the mounting hole 6212 with a spacing from the first part 6221, the deformation of the second part 6222 can achieve the contact and separation between the limiting section and the U-shaped bend 611, and also helps to improve the convenience of connecting the protective device 62 and the U-shaped bend 611.

[0072] It should be understood that in this embodiment, the mounting component 622 and the main body 621 are integrally molded, meaning the protective device 62 is a plastic part. The mounting component 622 has a first part 6221 and a second part 6222. The first part 6221 is disposed on the bottom wall and extends along the through direction of the mounting hole 6212. The first part 6221 helps to further improve the structural strength of the main body 621, thereby improving the structural strength of the protective device 62. Simultaneously, it also provides a better mounting base for the second part 6222.

[0073] like Figures 4-6 As shown, the first end of the second part 6222 is disposed on the first part 6221, and the second part 6222 is spaced apart from the bottom wall along the through direction of the mounting hole 6212. Simultaneously, the second end of the second part 6222 extends along the inner periphery of the mounting hole 6212 and is spaced apart from the bottom wall. At this time, the second end of the second part 6222 is suspended and forms a limiting segment. In this embodiment, along the second direction B, the main body 621 has a first sidewall and a second sidewall disposed opposite to each other. Along the second direction B, at least a portion of the second part 6222 is disposed opposite to the first sidewall. At this time, the limiting segment can move under the action of an external force. When the second part 6222 is in its natural state, i.e., the first state, the limiting segment can cooperate with the first sidewall to clamp the U-shaped bend 611, thereby achieving the engagement of the protective device with the U-shaped bend 611. When the second part 6222 is subjected to external force, that is, when it is in the second state, the limiting section moves away from the first side wall, and at this time the U-shaped bend 611 can be disengaged from the mounting hole 6212.

[0074] Furthermore, the first sidewall is also provided with a clearance groove 6214, which is arranged opposite to the mounting part 622 and passes through the first sidewall in a direction perpendicular to the through direction of the mounting hole 6212.

[0075] Specifically, by providing the clearance groove 6214, installers can apply force to the mounting component 622 from one side of the main body 621, thereby enabling the mounting component 622 to engage and disengage from the U-shaped bend 611, which helps improve the ease of use of the protective device 62. At the same time, the provision of the clearance groove 6214 helps to further reduce the manufacturing cost of the protective device 62.

[0076] It should be understood that, in this embodiment, the first part 6221 of the mounting member 622 is disposed near the first sidewall and along the first direction A, the mounting member 622 is disposed between two adjacent mounting holes 6212. Simultaneously, the first sidewall has a clearance groove 6214, which communicates with the receiving groove 6211 and with the end of the first sidewall opposite to the mounting hole 6212. The clearance groove 6214 facilitates the installation personnel's hand passing through the clearance groove 6214 and abutting against the second part 6222. Optionally, the clearance groove 6214 is correspondingly disposed with the mounting member 622.

[0077] It is important to further understand that a support portion 623 is provided on the side of the second sidewall of the main body 621 opposite to the receiving groove 6211. The support portion 623 protrudes from the second sidewall in the direction opposite to the receiving groove 6211. The provision of the support portion 623 helps to further improve the structural strength of the protective device 62. At the same time, the provision of the protective device 62 allows it to come into contact with the external structure in advance, thereby reducing external damage to the U-shaped bend 611. In this embodiment, the support portion 623 is a plate-like structure and is integrally formed on the main body 621, which helps to reduce the manufacturing difficulty of the protective device 62. The support portion 623 abuts against the side with the mounting hole 6212, which helps to increase the contact area between the main body 621 and the heat exchanger 61, and helps to improve the reliability of the installation of the protective device 62.

[0078] It should be noted that the extension length of the support 623 in the second direction B can be designed according to the thickness of the heat exchanger 61, so that the support 623 abuts against or protrudes from the side wall of the heat exchanger 61, which helps to further improve the reliability of the installation of the protective device 62. Optionally, the projected area of ​​the mounting hole 6212 on the first plane is larger than the projected area of ​​the U-shaped bend 611 on the first plane, wherein the first plane is perpendicular to the through direction of the mounting hole 6212. When the heat exchanger 61 is impacted by an external force from the second direction B, the external structure will first abut against the support 623 and cause the U-shaped bend 611 to move in the mounting hole 6212, thereby reducing the external impact force. Then, the external structure will abut against the side wall of the heat exchanger 61, thereby further dispersing the external impact force and helping to further improve the performance of the protective device 62.

[0079] In addition, the main body 621 is provided with an extension 6215, which extends along the inner periphery of the mounting hole 6212 and the extension distance is less than the circumferential length of the mounting hole 6212. The extension 6215 helps to increase the contact area between the U-shaped bend and the main body 621, thereby helping to further improve the reliability of the installation of the protective device 62.

[0080] The second aspect of this utility model provides an outdoor unit 1, including a heat exchanger 61 and the aforementioned protective device 62. By providing an outdoor unit 1 with the protective device 62, at least one U-shaped bend on at least one row of heat exchange tube assemblies can be inserted and fixed onto the main body 621. Moreover, the U-shaped bend is accommodated in the receiving groove 6211 of the main body 621, which enables the protective device 62 to protect the U-shaped bend 611, and has good reliability. Furthermore, the structure is simple and easy to install.

[0081] In some embodiments of this application, the heat exchanger 61 has at least two heat exchange units, each heat exchange unit having a plurality of U-shaped bends 611 spaced apart along a first direction A. Simultaneously, along the first direction A, the U-shaped bends 611 of adjacent heat exchange units are staggered. Arranging the U-shaped bends of adjacent heat exchangers 61 helps increase the ventilation density of the heat exchanger 61 assembly, thereby improving the heat exchange effect of the heat exchanger 61 assembly. Optionally, the main body 621 has a projection on a first plane, the first plane being perpendicular to the through direction of the mounting hole 6212, and the projected shape of the main body 621 can be a parallelogram or a rectangle, etc. In this embodiment, the cross-sectional shape of the main body 621 is a parallelogram. Specifically, as... Figures 2-7 As shown, along the second direction B, two adjacent mounting holes 6212 are spaced apart, and along the first direction A, two adjacent mounting holes 6212 are staggered, so that the protective device 62 and the heat exchanger 61 can be better matched.

[0082] The second aspect of this utility model provides a heating, ventilation and air conditioning (HVAC) device, including the outdoor unit 1 described above.

[0083] Compared with the existing technology, the HVAC equipment proposed in this utility model has the technical advantages of the outdoor unit 1 mentioned above, which will not be elaborated here.

[0084] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A protective device for a heat exchanger, characterized in that, The application relates to a protection device for a heat exchanger. The protection device comprises a main body part, which has a receiving groove, the bottom of the receiving groove being provided with mounting holes, and U-shaped bent pipes of the heat exchanger being capable of penetrating through the mounting holes and being accommodated in the receiving groove. A clamping part is arranged on the main body part, and the clamping part is used for clamping the U-shaped bent pipes.

2. The guard of claim 1, wherein The number of the mounting holes is multiple, and each of the mounting holes is used for penetrating through one of the U-shaped bent pipes.

3. The guard of claim 2, wherein, The number of the mounting holes is two, and the two mounting holes are arranged in a first direction or a second direction, the first direction being perpendicular to the second direction and being perpendicular to the penetrating direction of the mounting holes.

4. The guard of claim 2, wherein, The multiple mounting holes are arranged in a rectangular array at the bottom of the receiving groove and are used for matching the arrangement mode of the U-shaped bent pipes in the heat exchanger.

5. The guard of claim 2, wherein, The bottom of the receiving groove is provided with reinforcing ribs, and the reinforcing ribs are arranged between two adjacent mounting holes.

6. The guard of claim 1, wherein The main body part comprises a bottom wall and a side wall, the side wall extending along the circumferential edge of the bottom wall and cooperating with the bottom wall to form the receiving groove, and the mounting holes are arranged on the bottom wall. The clamping part comprises: A first part arranged on the bottom wall; A second part arranged in the penetrating direction of the mounting holes, the second part being arranged in the penetrating direction of the mounting holes, the second part extending along the inner circumferential edge of the mounting hole, one end of the second part being connected to the first part along the extension direction of the second part, the other end of the second part being suspended in the receiving groove, and at least part of the second part being arranged opposite to part of the side wall along the direction perpendicular to the penetrating direction of the mounting holes, wherein the part of the second part arranged opposite to the side wall and the side wall are used for clamping the U-shaped bent pipes.

7. The guard of claim 6, wherein The side wall comprises a first side wall and a second side wall, the first side wall and the second side wall being arranged opposite to each other along the direction perpendicular to the penetrating direction of the mounting holes, the first side wall being arranged opposite to part of the second part and being used for clamping the U-shaped bent pipes together with the part of the second part; The first side wall is further provided with a avoiding groove, the avoiding groove being arranged opposite to the clamping part along the direction perpendicular to the penetrating direction of the mounting holes and penetrating through the first side wall.

8. The guard of claim 7, wherein, The second side wall is provided with a supporting part on the side away from the receiving groove, and the supporting part is arranged in a protruding mode from the second side wall towards the direction away from the receiving groove.

9. An outdoor unit characterized by comprising: The application further relates to a heat exchanger and the protection device.

10. The outdoor unit according to claim 9, characterized by The heat exchanger has at least two heat exchange units, each of the heat exchange units has multiple U-shaped bent pipes arranged in a first direction, and the U-shaped bent pipes of two adjacent heat exchange units are arranged in a staggered mode along the first direction.

11. A heating and ventilation device, characterized in that The application further relates to an outdoor unit.

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