Controller and heating and ventilation equipment
By designing a snap-fit structure for the housing and bottom cover, the installation process of the central controller is simplified, solving the problems of complex installation and high cost in existing technologies, and achieving an efficient and reliable installation method.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-03-31
AI Technical Summary
The installation process of existing centralized controllers is complicated, easily damages components, and is costly and inefficient.
Design a controller, including a housing and a bottom cover. The housing is embedded into the mounting cavity of the bottom cover by a snap-fit method, and the bottom cover is embedded in the wall. This reduces the number of connecting parts and uses a snap-fit groove and snap-hook structure to achieve the connection.
It simplifies the installation process, improves installation efficiency and connection reliability, and reduces costs.
Smart Images
Figure CN224068900U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of heating, ventilation and air conditioning (HVAC) equipment technology, and in particular to a controller and HVAC equipment. Background Technology
[0002] This section provides only background information relevant to this disclosure and is not necessarily prior art.
[0003] Currently, most centralized controller products have complex assembly and installation processes, making them difficult to operate. There are currently two main structural forms of centralized controllers: one is a two-component form with a front cover and a rear cover; the other is a three-component form with a front cover, a rear cover, and a mounting base cover. The two-component form involves cumbersome wiring during assembly. During installation, the controller needs to be disassembled, the rear cover locked to the wall, and then the front and rear covers snapped together. This process can easily damage the controller and allow external objects (such as dust) to enter its interior. For the three-component form, most existing products require an adapter plate to physically connect the controller's rear cover to the mounting base cover. This installation method increases materials and processes, resulting in lower costs and efficiency. Utility Model Content
[0004] The purpose of this invention is to at least solve the technical problems of cumbersome and inefficient installation of existing controllers. This purpose is achieved through the following technical solution:
[0005] The first aspect of this utility model provides a controller, comprising:
[0006] The box body includes a bottom shell and a front panel, the bottom shell defining a receiving cavity with a mounting opening, and the front panel being disposed at the mounting opening;
[0007] A bottom cover defines a mounting cavity with an opening, at least a portion of the bottom shell is embedded in the mounting cavity and engages with the bottom cover, the panel is located at the opening, and the bottom cover is configured to be embedded in a wall.
[0008] The controller proposed in this utility model is easy to install on the wall. The bottom cover is embedded in the wall, and the box protects the internal main control board. During installation, the box is embedded in the mounting cavity inside the bottom cover by snap-fit, reducing the number of connecting parts used to connect the box and the bottom cover, making the installation method simpler and improving the installation efficiency.
[0009] In addition, the controller according to this utility model may also have the following additional technical features:
[0010] In some embodiments of this utility model, the bottom shell is provided with a first connecting portion on the outer surface opposite to the receiving cavity, and the bottom cover is provided with a plurality of second connecting portions. The second connecting portions are located inside the mounting cavity, and the second connecting portions are snapped together with the first connecting portions, thereby restricting the bottom shell from moving along the depth direction of the mounting cavity.
[0011] In some embodiments of this utility model, the bottom shell includes a bottom plate and a first surrounding plate. The bottom plate is disposed opposite to the front panel. The first surrounding plate extends along the edge of the bottom plate and defines the receiving cavity between the bottom plate and the bottom plate. The first connecting portion is disposed on the outer surface of the first surrounding plate.
[0012] In some embodiments of this utility model, the first connecting part includes a snap-fit groove, and the second connecting part includes a snap hook, the snap hook being snapped into the snap-fit groove.
[0013] In some embodiments of this utility model, the second connecting part further includes at least one support column, the support column being connected to the bottom cover, and each support column having a hook at one end facing the opening along the depth direction of the mounting cavity.
[0014] In some embodiments of this utility model, the bottom cover includes a back plate and a second enclosure plate. The second enclosure plate extends in an annular shape along the edge of the back plate. The second enclosure plate and the back plate define the mounting cavity. At least one boss is formed on one side of the second enclosure plate located in the mounting cavity. Along the depth direction of the mounting cavity, a relief groove is provided at one end of the boss that faces away from the back plate. Each relief groove is provided with a hook that connects to the boss.
[0015] In some embodiments of this utility model, the first enclosure includes a first ring plate and a second ring plate. The first ring plate is connected to the bottom plate and extends along the edge of the bottom plate. The receiving cavity is formed between the first ring plate and the bottom plate. The snap-fit groove is provided on the side of the first ring plate away from the receiving cavity. Along the depth direction of the receiving cavity, the end of the first ring plate away from the bottom plate forms the mounting opening and is connected to the inner edge of the second ring plate. The bottom cover abuts against the side of the second ring plate facing the first ring plate.
[0016] In some embodiments of this utility model, a plurality of the snap-fit grooves are spaced apart around the outer peripheral surface of the first enclosure, and a plurality of the snap hooks are spaced apart around the inner peripheral surface of the mounting cavity.
[0017] In some embodiments of this utility model, a plurality of guide notches are provided at the connection between the bottom plate and the first enclosure plate. The plurality of guide notches are spaced apart around the depth direction of the receiving cavity, and the position of the guide notches corresponds to the snap-fit groove. The snap-fit notches are configured to allow the snap hook to pass through.
[0018] And / or, the first enclosure plate is provided with a plurality of guide ribs on the outer surface away from the receiving cavity, the guide ribs extend along the depth direction of the receiving cavity, the plurality of guide ribs are arranged at intervals around the depth direction of the receiving cavity, and a snap-fit groove is provided between two adjacent guide ribs.
[0019] In some embodiments of this utility model, the bottom cover is provided with a plurality of connection holes, which are used for fasteners for connecting to the wall to pass through.
[0020] The second aspect of this utility model provides a heating, ventilation, and air conditioning (HVAC) device, including a controller, which is the same controller proposed in the first aspect of this utility model.
[0021] The second aspect of this utility model provides a heating and ventilation equipment with an easy-to-install controller. During installation, the bottom cover is embedded in the wall, and the box body is embedded in the mounting cavity inside the bottom cover by a snap-fit method. This reduces the number of connecting parts used to connect the box body and the bottom cover, making the installation method simpler and improving installation efficiency. Attached Figure Description
[0022] 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:
[0023] Figure 1 A schematic diagram of the controller according to an embodiment of the present invention is shown from a first perspective.
[0024] Figure 2 A schematic diagram of the controller's second-view structure according to an embodiment of the present invention is shown.
[0025] Figure 3 A schematic diagram of the structure of the box body according to an embodiment of the present invention is shown;
[0026] Figure 4 A partial structural diagram of the box body according to an embodiment of the present invention is shown schematically;
[0027] Figure 5A schematic diagram of the box body installed on the bottom cover (hidden panel) according to an embodiment of the present invention is shown.
[0028] Figure 6 A schematic diagram of the structure of the bottom cover according to an embodiment of the present invention is shown.
[0029] Figure 7 A partial structural diagram of the bottom cover according to an embodiment of the present invention is shown schematically.
[0030] The attached figures are labeled as follows:
[0031] 100. Controller;
[0032] 10. Box body; 11. Bottom shell; 111. Bottom plate; 112. First surrounding plate; 1121. First ring plate; 1122. Second ring plate; 12. Receiving cavity; 13. Front panel; 14. Snap-fit groove; 15. Guide notch; 16. Guide rib;
[0033] 20. Bottom cover; 21. Mounting cavity; 22. Back plate; 23. Second enclosure plate; 231. Boss; 232. Clearance groove; 24. Hook; 25. Support column; 26. Connecting hole; 27. Threading hole. Detailed Implementation
[0034] 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.
[0035] 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 include 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.
[0036] 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.
[0037] 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 as "above other elements or features" or "above other elements or features." Therefore, the example term "below" can include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions), and the spatial relative descriptors used in the text will be interpreted accordingly.
[0038] like Figures 1 to 7 As shown, Figure 1-7 In the first aspect, direction A represents the depth direction of the mounting cavity 21 and the depth direction of the receiving cavity 12. The first direction is perpendicular to the depth direction of the mounting cavity 21 and also perpendicular to the depth direction of the receiving cavity 12. The first aspect of this utility model proposes a controller 100, including a housing 10 and a bottom cover 20. The housing 10 includes a bottom shell 11 and a panel 13. The bottom shell 11 defines a receiving cavity 12 with a mounting opening. The panel 13 is disposed at the mounting opening. The bottom cover 20 defines a mounting cavity 21 with an opening. At least a portion of the bottom shell 11 is embedded in the mounting cavity 21 and engages with the bottom cover 20. The panel 13 is located at the opening. The bottom cover 20 is configured to be embedded in a wall.
[0039] As can be seen, the controller 100 proposed in this utility model is easy to install on the wall. The bottom cover 20 is embedded in the wall, and the box body 10 protects the internal main control board. During installation, the box body 10 is embedded in the mounting cavity 21 inside the bottom cover 20 by snap-fit, which reduces the number of connecting parts used to connect the box body 10 and the bottom cover 20, making the installation method simpler and improving the installation efficiency.
[0040] For example, the main control board can be the central control board of the HVAC equipment, used to control the operating parameters of the HVAC equipment such as temperature, humidity, and airflow. The box 10 can be rectangular or cubic in shape, and the box 10 is generally closed. It includes a bottom shell 11 and a panel 13. The panel 13 allows the user to interact with the controller 100. The bottom shell 11 may include a base plate 111 and a surrounding plate. The base plate 111 and the surrounding plate together form a receiving cavity 12 with a mounting opening. The panel 13 can be connected to the surrounding plate by snap-fit or bolt fixation and closes the mounting opening. The bottom cover 20 is shaped to fit the bottom shell 11. The bottom cover 20 can be cuboid or cube-shaped, with an internal mounting cavity 21 having an opening. The bottom shell 11 can be installed into the mounting cavity 21 through the opening. To facilitate the connection between the bottom shell 11 and the bottom cover 20, a hook 24 can be provided inside the bottom cover 20, and a snap-fit groove 14 can be provided on the bottom shell 11. The hook 24 and the snap-fit groove 14 engage to achieve a tight connection between the bottom shell 11 and the bottom cover 20. Alternatively, a protrusion or rib can be provided inside the bottom cover 20, and a recess or groove can be provided on the outer surface of the bottom shell 11. When the bottom shell 11 is pressed into the mounting cavity 21, the protrusion and the recess engage, or the rib and the groove engage to achieve a snap-fit connection between the bottom shell 11 and the bottom cover 20. This improves the reliability of the connection between the bottom shell 11 and the bottom cover 20 and does not require other connecting parts, which helps to improve installation efficiency.
[0041] like Figures 3 to 7 As shown, in some embodiments of this utility model, the bottom shell 11 is provided with a first connecting part on the outer surface opposite to the receiving cavity 12, and the bottom cover 20 is provided with a plurality of second connecting parts. The second connecting parts are located in the mounting cavity 21, and the second connecting parts are snapped together with the first connecting parts, thereby restricting the bottom shell 11 from moving along the depth direction of the mounting cavity 21.
[0042] As can be seen, by providing a first connecting part on the outside of the bottom shell 11 and a second connecting part inside the bottom cover 20, when the controller 100 is installed, the box 10 is pressed into the mounting cavity 21. At this time, the second connecting part and the first connecting part engage and cooperate, thereby limiting the box 10 along the depth direction of the mounting cavity 21, thus improving the reliability of the connection between the box 10 and the bottom cover 20.
[0043] For example, a first connecting part such as a recess or groove can be provided on the outer surface of the bottom shell 11 away from the receiving cavity 12, and a second connecting part such as a protrusion or a hook 24 can be provided inside the bottom cover 20, so that the first connecting part can engage with the second connecting part, thereby improving the reliability of the connection between the bottom shell 11 and the bottom cover 20. Specifically, a recess can be provided on the outer periphery of the bottom shell 11, and a protrusion can be provided on the side wall of the mounting cavity 21 inside the bottom cover 20. When the box body 10 is pressed into the mounting cavity 21, the protrusion engages with the recess, thereby limiting the bottom shell 11. Alternatively, a groove can be provided on the outer periphery of the bottom shell 11, extending along the depth direction of the mounting cavity 21, and a rib can be provided on the side wall of the mounting cavity 21 inside the bottom cover 20, also extending along the depth direction of the mounting cavity 21. When the box body 10 is pressed into the mounting cavity 21, the rib can slide into the groove and engage with the groove, thereby limiting the bottom shell 11. Alternatively, a groove extending in the first direction can be provided on the outer periphery of the bottom shell 11, and a hook 24 can be provided in the bottom cover 20. The box body 10 can be pressed into the mounting cavity 21 so that the hook 24 can engage with the groove to limit the bottom shell 11.
[0044] It is understandable that the structural form of the first connecting part can be interchanged with that of the second connecting part. That is, the first connecting part can be a protrusion, a rib, or a hook 24, and the second connecting part can be a recess, a groove, or a locking groove 14.
[0045] like Figures 3 to 4 As shown, in some embodiments of the present invention, the bottom shell 11 includes a bottom plate 111 and a first surrounding plate 112. The bottom plate 111 is disposed opposite to the front panel 13. The first surrounding plate 112 extends along the edge of the bottom plate 111 and defines a receiving cavity 12 between the bottom plate 111 and the first surrounding plate 112. The first connecting portion is disposed on the outer surface of the first surrounding plate 112.
[0046] As can be seen, the base plate 111 and the first enclosure plate 112 together form a receiving cavity 12 to protect the main control board. The panel 13 can be connected to the first enclosure plate 112 by snap-fit or bolt fixing. The first connecting part is located on the side of the first enclosure plate 112 away from the receiving cavity 12. Since the first enclosure plate 112 is parallel to the peripheral wall of the bottom cover 20, i.e. the side wall of the mounting cavity 21, during installation, the first connecting part on the first enclosure plate 112 can easily cooperate with the second connecting part in the mounting cavity 21.
[0047] For example, a first connecting part in the form of a recess, groove or snap-fit groove 14 can be provided on the outer side of the first enclosure 112. A hook 24 is provided on the cavity wall of the receiving cavity 12, or a hook 24 spaced apart from the cavity wall is provided in the receiving cavity 12. When installing the box body 10, the box body 10 is pressed into the installation cavity 21. At this time, the first connecting part moves along the depth direction of the installation cavity 21. The first connecting part is located between the first enclosure 112 and the cavity wall of the installation cavity 21. When the box body 10 enters the installation cavity 21 to a certain depth, the first connecting part and the second connecting part snap-fit together to realize the installation and fixation of the box body 10.
[0048] like Figures 3 to 7 As shown, in some embodiments of this utility model, the first connecting part includes a snap-fit groove 14, and the second connecting part includes a snap hook 24, which snaps into the snap-fit groove 14.
[0049] As can be seen, by setting the hook 24 to connect with the slot 14, the connection and fixation between the box body 10 and the bottom cover 20 are realized, reducing the use of connecting parts and improving installation efficiency.
[0050] For example, the snap-fit groove 14 can be provided on the outer surface of the first enclosure 112 away from the receiving cavity 12. The snap-fit groove 14 provides a limiting function and can extend along the first direction, so that the side wall of the snap-fit groove 14 can limit the hook 24 in the depth direction of the mounting cavity 21. The hook 24 can be provided on the cavity wall of the mounting cavity 21, or the hook 24 can be provided separately, extending in an L-shape or J-shape along the depth direction of the mounting cavity 21. One end is connected to the bottom of the mounting cavity 21 along its own depth direction, and the other end is suspended. When the box body 10 is installed, it can be squeezed by the bottom shell 11 and move towards the cavity wall of the mounting cavity 21 in the first direction, and snap into the snap-fit groove 14 at a preset position to realize the limiting function of the bottom shell 11.
[0051] like Figures 6 to 7 As shown, in some embodiments of this utility model, the second connecting part further includes at least one support post 25, which is connected to the bottom cover 20. Along the depth direction of the mounting cavity 21, each support post 25 is provided with a hook 24 at one end facing the opening.
[0052] It can be seen that by setting the support column 25, the strength of the connection between the hook 24 and the bottom cover 20 is improved, thereby making the hook 24, which is independently set in the mounting cavity 21, and the cavity wall of the mounting cavity 21 have an elastic swing space.
[0053] For example, the hook 24 extends in a J-shape or L-shape along the depth direction of the mounting cavity 21. One end of the support column 25 is connected to the bottom end of the mounting cavity 21, and the other end is connected to the hook 24, so that the hook 24 is spaced from the cavity wall of the mounting cavity 21, thereby allowing the hook 24 to swing to engage or disengage from the engagement groove 14. Specifically, the support column 25 can be a structure composed of multiple support plates. The support plates are vertically arranged in the mounting cavity 21 and extend along the depth direction of the mounting cavity 21. The cross-section of the support column 25 can be U-shaped or U-shaped.
[0054] like Figures 3 to 4 As shown, in some embodiments of the present invention, the bottom cover 20 includes a back plate 22 and a second surrounding plate 23. The second surrounding plate 23 extends in an annular shape along the edge of the back plate 22. A mounting cavity 21 is defined between the second surrounding plate 23 and the back plate 22. At least one boss portion 231 is formed on one side of the second surrounding plate 23 located in the mounting cavity 21. Along the depth direction of the mounting cavity 21, a relief groove 232 is provided at one end of the boss portion 231 away from the back plate 22. A hook 24 connected to the boss portion 231 is provided in each relief groove 232.
[0055] As can be seen, the mounting cavity 21 is defined by the second enclosure 23 and the back plate 22 to protect the main control board. The inner side of the second enclosure 23 is provided with a boss 231, so that the second enclosure 23 has a certain thickness. The hook 24 is provided in the relief groove 232 on the boss 231, so that the hook 24 can swing in the first direction, thereby pressing the box 10 into the mounting cavity 21, pushing open the hook 24, moving to the bottom of the mounting cavity 21, and engaging with the locking groove 14 to limit the position of the box 10.
[0056] For example, the boss portion 231 may be formed by extending inward from a portion of the second enclosure plate 23. The boss portion 231 and the second enclosure plate 23 are integral structures. Along the depth direction of the mounting cavity 21, the end of the boss portion 231 facing the opening is provided with a relief groove 232. Along the first direction, which is perpendicular to the depth direction of the mounting cavity 21, the relief groove 232 is located on the edge of the side of the boss portion 231 facing the mounting cavity 21, so that the hook 24 is also located at the innermost position of the boss portion 231 in the first direction, which facilitates the engagement of the hook 24 with the locking groove 14.
[0057] like Figures 3 to 4As shown, in some embodiments of this utility model, the first enclosure plate 112 includes a first ring plate 1121 and a second ring plate 1122. The first ring plate 1121 is connected to the bottom plate 111 and extends along the edge of the bottom plate 111. A receiving cavity 12 is formed between the first ring plate 1121 and the bottom plate 111. A snap-fit groove 14 is provided on the side of the first ring plate 1121 away from the receiving cavity 12. Along the depth direction of the receiving cavity 12, the end of the first ring plate 1121 away from the bottom plate 111 forms an installation opening and is connected to the inner edge of the second ring plate 1122. The bottom cover 20 abuts against the side of the second ring plate 1122 facing the first ring plate 1121.
[0058] As can be seen, by setting the cross-section of the box body 10 to be convex, a part of the box body 10 can be embedded in the mounting cavity 21, and the open end of the bottom cover 20 can abut against the box body 10, which further improves the reliability of the connection between the box body 10 and the bottom cover 20. Furthermore, the part of the bottom cover 20 after installation is integrated into the groove structure between the first ring plate 1121 and the second ring plate 1122, making the controller 100 roughly rectangular or cubic in shape, with a more harmonious and aesthetically pleasing appearance.
[0059] For example, both the first ring plate 1121 and the second ring plate 1122 extend in an open shape. The first ring plate 1121 can be perpendicularly connected to the base plate 111. The first ring plate 1121 and the base plate 111 together form a cuboid receiving cavity 12. The main control board can be fixed to the base plate 111 by a connecting structure such as a snap-fit. The inner edge of the second ring plate 1122 is perpendicularly connected to the end of the first ring plate 1121 facing away from the base plate 111 in the depth direction of the mounting cavity 21. The side of the second ring plate 1122 facing away from the first ring plate 1121 in the depth direction of the mounting cavity 21 is used to install the panel 13. The panel 13 can be installed on the second ring plate 1122 by snap-fit or bolt fixing, and the mounting opening formed by the end plates of the second ring plate 1122 and the first ring plate 1121 is closed. For details, refer to the existing fixing method of the panel 13 and the box 10. The bottom cover 20 with an opening can be designed to match the outer contour of the second ring plate 1122, so that the bottom cover 20 with an opening is located between the first ring plate 1121 and the second ring plate 1122 after installation, and abuts against the side of the second ring plate 1122 away from the panel 13, which improves the reliability of the connection between the bottom cover 20 and the box body 10 and makes the overall structure more compact and beautiful.
[0060] Understandably, the first enclosure 112 can be injection molded integrally with the base plate 111, thus having better structural strength.
[0061] like Figures 3 to 7 As shown, in some embodiments of this utility model, a plurality of snap-fit grooves 14 are spaced apart around the outer peripheral surface of the first enclosure plate 112, and a plurality of snap hooks 24 are spaced apart around the depth direction of the mounting cavity 21.
[0062] As can be seen, by setting multiple snap-fit grooves 14 at intervals around the depth direction of the receiving cavity 12 on the first ring plate 1121, and cooperating with multiple snap hooks 24 in the receiving cavity 12, the box body 10 can be snapped and fixed with the bottom cover 20 at multiple positions and angles, thereby improving the reliability of the connection between the box body 10 and the bottom cover 20.
[0063] For example, the first ring plate 1121 extends in an U-shape, and snap-fit grooves 14 can be provided on the two opposite plates of the first ring plate 1121, and snap hooks 24 can be provided at corresponding positions in the receiving cavity 12, so that the upper and lower sides or the left and right sides of the first ring plate 11 can be snapped into the bottom shell 11 for installation and fixation. Alternatively, snap-fit grooves 14 can be provided on all four plates of the first ring plate 1121, and multiple snap-fit grooves 14 can be provided according to the length of the plates, so that multiple positions of the first ring plate 1121 can be connected to the snap hooks 24, thereby making the connection with the bottom cover 20 more reliable.
[0064] like Figures 3 to 4 As shown, in some embodiments of this utility model, a plurality of guide notches 15 are provided at the connection between the bottom plate 111 and the first surrounding plate 112. The plurality of guide notches 15 are spaced apart around the depth direction of the receiving cavity 12, and the position of the guide notches 15 corresponds to the snap-fit groove 14. The snap-fit notches are configured to allow the snap hook 24 to pass through.
[0065] And / or, the first enclosure plate 112 is provided with a plurality of guide ribs 16 on the outer surface away from the receiving cavity 12. The guide ribs 16 extend along the depth direction of the receiving cavity 12. The plurality of guide ribs 16 are arranged at intervals around the depth direction of the receiving cavity 12. A snap-fit groove 14 is provided between two adjacent guide ribs 16.
[0066] As can be seen, by setting the guide notch 15, when assembling the box body 10 and the bottom cover 20, the hook 24 first passes through the guide notch 15 and then slides into the snap-fit groove 14. The guide notch 15 provides installation guidance during assembly, thereby improving installation efficiency. Furthermore, guide ribs 16 are provided on the outer side of the first enclosure plate 112, so that when assembling the box body 10 and the bottom cover 20, the hook 24 first passes through the guide notch 15, then slides into the groove between two adjacent guide ribs 16, and finally slides into the snap-fit groove 14. The guide ribs 16 provide installation guidance during assembly, thereby improving installation efficiency.
[0067] For example, the guide notch 15 can be a groove structure with a triangular cross-section, so that the bottom surface of the guide notch 15 is inclined, which facilitates the hook 24 to slide into the guide notch 15. The width of the guide notch 15 can be greater than the width of the hook 24 and less than the distance between two adjacent guide ribs 16. The guide ribs 16 can extend along the depth direction of the mounting cavity 21, from the guide notch 15 to the snap-fit groove 14, providing full-range installation guidance. Two adjacent guide ribs 16 can respectively fit with the two ends of the snap-fit groove 14 or maintain a small distance, so that the hook 24 can be limited by the movement of the two adjacent guide ribs 16, improving the efficiency of installation.
[0068] like Figure 2 , Figure 6 and Figure 7 As shown, in some embodiments of this utility model, the bottom cover 20 is provided with a plurality of connection holes 26, which are used for fasteners for connecting to the wall to pass through.
[0069] As can be seen, by providing multiple connection holes 26 on the bottom cover 20, when installing the bottom cover 20, bolts and other fasteners can be passed through the connection holes 26 and connected to the drilled holes on the wall, thereby fixing the bottom cover 20 to the wall.
[0070] For example, the connection hole 26 can be a round hole or an oblong hole. The connection hole 26 can be provided on the back plate 22 and arranged in a rectangular or circumferential array to improve the reliability of the connection between the bottom cover 20 and the wall. The connection hole 26 can also be provided on the second enclosure plate 23 so that the side of the bottom cover 20 can also be connected to the wall to further improve the reliability of the connection between the bottom cover 20 and the wall.
[0071] like Figures 1 to 2 , Figures 5 to 7 As shown, in some embodiments of this utility model, the bottom cover 20 is also provided with a plurality of wire holes 27 for passing external wire harnesses through the bottom cover 20 and electrically connecting them to the controller 100. The wire holes 27 can be circular or other shapes. An easily removable sealing piece can be provided inside the wire holes 27. The sealing piece can be removed as needed to pass through the wire holes 27 and wires can be threaded through.
[0072] The second aspect of this utility model provides a heating, ventilation and air conditioning (HVAC) device, including a controller 100, which is the same controller 100 proposed in the first aspect of this utility model.
[0073] The HVAC equipment proposed in the second aspect of this utility model has a controller 100 that is easy to install. During installation, the bottom cover 20 is embedded in the wall, and the box body 10 is embedded in the mounting cavity 21 inside the bottom cover 20 by snap-fit. This reduces the number of connecting parts used to connect the box body 10 and the bottom cover 20, making the installation method simpler and improving the installation efficiency.
[0074] For example, the HVAC equipment may be an air conditioner, a heater, or a fresh air unit, and the controller 100 is used to control its operating parameters such as opening and closing, fan speed, temperature, and humidity.
[0075] 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 controller characterized by comprising: The utility model relates to a box body, including bottom shell and panel, bottom shell defines and holds the cavity with the installation mouth, and the panel is located installation mouth, Bottom cover defines the installation cavity with the opening, and the bottom shell is embedded at least partial installation in the installation cavity, and with bottom cover joint fit, and the panel is located the opening, and bottom cover is configured to be embedded in the wall. The outer surface of the bottom shell away from the holding cavity is provided with a plurality of first connecting parts, the bottom cover is provided with a plurality of second connecting parts, the second connecting parts are located in the installation cavity, the second connecting parts are connected with the first connecting parts by jointing, and the movement of the bottom shell along the depth direction of the installation cavity is limited.
2. The controller of claim 1, wherein, The bottom shell includes a bottom plate and a first surrounding plate connected to each other, the bottom plate is arranged opposite to the panel, the first surrounding plate extends along the edge of the bottom plate, and the holding cavity is defined between the bottom plate and the first surrounding plate, and the first connecting parts are arranged on the outer surface of the first surrounding plate.
3. The controller of claim 2, wherein, The first connecting parts include jointing grooves, and the second connecting parts include hooks, the hooks are jointed in the jointing grooves.
4. The controller of claim 3, wherein, The second connecting parts further include at least one supporting column connected to the bottom cover, and each of the supporting columns is provided with a hook at one end thereof facing the opening along the depth direction of the installation cavity.
5. The controller of claim 4, wherein, The bottom cover includes a back plate and a second surrounding plate connected to each other, the second surrounding plate extends annularly along the edge of the back plate, the second surrounding plate and the back plate define the installation cavity, at least one boss portion is formed on one side of the second surrounding plate located in the installation cavity, and each of the avoiding grooves is provided with a hook connected to the boss portion at one end thereof away from the back plate along the depth direction of the installation cavity.
6. The controller of claim 4, wherein, The first surrounding plate includes a first ring plate and a second ring plate, the first ring plate is connected to the bottom plate and extends along the edge of the bottom plate, the first ring plate and the bottom plate define the holding cavity, the jointing grooves are arranged on one side of the first ring plate away from the holding cavity, and the first ring plate is connected to the inner edge of the second ring plate at one end thereof away from the bottom plate along the depth direction of the holding cavity, and the bottom cover abuts against one side of the second ring plate facing the first ring plate.
7. The controller of claim 5, wherein, A plurality of the jointing grooves are arranged at intervals around the outer circumferential surface of the first surrounding plate, and a plurality of the hooks are arranged at intervals around the inner circumferential surface of the installation cavity.
8. The controller of claim 4, wherein, A plurality of guide notches are arranged at the connection between the bottom plate and the first surrounding plate, the guide notches are arranged at intervals along the depth direction of the holding cavity, and the positions of the guide notches correspond to the jointing grooves, and the jointing notches are configured to allow the hooks to pass through.
9. The controller of claim 8, wherein, Furthermore, a plurality of guide ribs are arranged on the outer surface of the first surrounding plate away from the holding cavity, the guide ribs extend along the depth direction of the holding cavity, and the guide ribs are arranged at intervals along the depth direction of the holding cavity, and one jointing groove is arranged between two adjacent guide ribs. The bottom cover is provided with a plurality of connecting holes for allowing fasteners for connecting the wall to pass through.
10. The controller of any one of claims 1 to 9, wherein, 11. A heating and ventilation device, characterized by comprising a controller according to any one of claims 1 to 10.