Inverter wiring waterproof structure

Abstract

The utility model relates to waterproof structure design technical field, concretely relates to a kind of inverter wiring waterproof structure. Including: wiring cavity, intercommunication setting between inverter box and wall body;Back hanging cover, fixedly set on wall body;The wiring cavity with the inverter box is integrally formed, and the wiring cavity with the back hanging cover is detachably connected.In the present application, the wiring cavity with the inverter box is integrally formed, and the step of punching and installing on the inverter box can be omitted.The wiring cavity can be connected with the wall body through the back hanging cover, and the step of punching and installing on the wall body is omitted.

Description

Technical Field

[0001] This utility model relates to the field of waterproof structural design technology, specifically to a waterproof wiring structure for inverters. Background Technology

[0002] In traditional inverter concealed wiring scenarios, separate wiring ducts are used, connected to both the inverter's internal cavity and the wall conduit. This method requires drilling holes in both the inverter's side wall and the wall, transporting the separate wiring ducts between them, aligning them with the holes, and then bolting the ducts to both the inverter and the wall. The installation process is cumbersome, time-consuming, and labor-intensive. Utility Model Content

[0003] In view of this, the present invention provides a waterproof wiring structure for inverters to solve the problem that the installation steps of existing waterproof structures are relatively cumbersome.

[0004] This utility model provides a waterproof wiring structure for inverters, including:

[0005] The wiring compartment is located between the inverter enclosure and the wall.

[0006] The back cover is fixedly installed on the wall;

[0007] The wiring cavity is integrally formed with the inverter housing, and the wiring cavity is detachably connected to the back cover.

[0008] In this application, the wiring cavity and the inverter enclosure are integrally formed, eliminating the need for drilling and installation on the inverter enclosure. The wiring cavity can be connected to the wall via a back-mounted cover, further eliminating the need for drilling and installation on the wall. The wiring cavity and the back-mounted cover are detachably connected, forming an integral connection between the wiring cavity and the inverter enclosure and the wall. This reduces installation steps, saving time and effort. Designing the wiring cavity and inverter enclosure as an integral structure also eliminates the assembly gap at the connection point of the traditional separate wiring cavity and enclosure, blocking the path of water vapor penetration. The detachable connection between the wiring cavity and the back-mounted cover eliminates the need to use expansion screws to fix the independent wiring cavity to the wall during construction; only the back-mounted cover needs to be pre-fixed to the wall, and then the enclosure and wiring cavity can be hung together as a whole. This reduces on-site installation steps and lowers the risk of damage to the wall structure. In addition, the integrated structure enhances overall rigidity, avoiding deformation or sealing material compression failure caused by uneven stress on separate components, ensuring long-term stable waterproofing.

[0009] In one alternative embodiment, the bottom plate of the wiring cavity is a detachable wiring cavity cover.

[0010] In this application, after removing the cover, construction personnel can run the wiring from below through the wall into the inverter enclosure. This also facilitates later maintenance or line expansion, allowing for cable inspection or replacement of sealing components without disassembling the entire inverter enclosure, thus reducing operation and maintenance costs and time.

[0011] In one alternative embodiment, the wiring cavity cover plate has a pre-drilled opening.

[0012] In this application, the cover plate has pre-drilled holes, which can support on-site drilling as needed to realize the lower wiring.

[0013] In one optional embodiment, a closed-cell foam is provided between the wiring cavity and the wall, and the inverter wiring passes through the closed-cell foam.

[0014] In this application, closed-cell foam forms an elastic sealing layer at the interface between the wiring cavity and the wall. Its closed-cell structure effectively blocks capillary penetration of liquid water and diffusion of water vapor. After being firmly compressed by the wiring cavity, the closed-cell foam adaptively fills uneven wall surfaces, eliminating micro-gaps inherent in traditional rigid installations. The wiring passes through the foam, and the foam material tightly wraps around the outer sheath of the wiring, preventing rainwater from creeping along the wiring surface and entering the wiring cavity. It has strong tolerance for differences in wire diameter, achieving uniform stress sealing for cables of different specifications, and maintains good resilience after long-term compression, overcoming the risks of aging and cracking of rubber gaskets or detachment of silicone fillers.

[0015] In one alternative embodiment, the top surface of the wiring cavity is an inclined surface.

[0016] In this application, gravity can be used to accelerate the drainage of rainwater away from the area where the wiring cavity is located. When rainwater flows to the top of the wiring cavity, the sloped surface guides the water flow to quickly disperse and drip to the outside of the cavity, preventing water accumulation. It also reduces the risk of rainwater penetrating the closed-cell foam. The sloped structure also reduces the area for dust adhesion, and together with rainwater rinsing, it forms a self-cleaning effect, maintaining long-term waterproof performance.

[0017] In one alternative embodiment, a waterproof structure is installed at the connection between the wiring cavity and the inverter enclosure.

[0018] In this application, the waterproof structure can prevent external moisture from entering the inverter cavity along the wiring.

[0019] In one optional embodiment, support plates are provided on both sides of the bottom end of the back cover, and the side wall of the wiring cavity is detachably connected to the support plates, which are adapted to support the wiring cavity.

[0020] In this application, support plates are distributed on both sides of the wiring cavity, forming a stable support system. The back cover is fixed to the wall, and the support plates support the bottom of the wiring cavity, evenly transferring the weight of the inverter box to the wall and avoiding stress concentration at a single point.

[0021] In one alternative implementation, the back cover is located between the inverter enclosure and the wall.

[0022] In this application, the back-mounted cover is located between the inverter enclosure and the wall, reducing condensation inside the cavity caused by heat conduction. During installation, workers can first level the back-mounted cover before hanging the inverter enclosure, solving the problem of aligning the inverter enclosure and the wiring cavity simultaneously in traditional solutions, thus improving installation accuracy and efficiency.

[0023] In one optional embodiment, the wiring cavity cover is provided with insect-proof and water-permeable holes.

[0024] In this application, the micropore size of the insect-proof and water-permeable holes prevents insects from entering while allowing liquid water to seep out under surface tension. In extreme cases where rainwater seeps into the wiring cavity or condensation occurs, the accumulated water can drain naturally through the insect-proof and water-permeable holes, preventing long-term immersion of the cavity from causing sealant failure or corrosion of metal parts. The insect-proof and water-permeable holes are designed at the lowest point of the wiring cavity, utilizing gravity to improve drainage efficiency.

[0025] In one alternative embodiment, the end of the wiring cavity extends into the interior of the inverter housing.

[0026] In this application, the structure of the wiring cavity extending into the enclosure creates a physical isolation zone, transforming the inverter enclosure's inlet from a traditional "planar opening" into a "three-dimensional channel." The extension increases the length of the moisture permeation path, ensuring that even if external moisture breaches the wiring cavity seal, it will condense and flow back through the extension channel wall, preventing direct entry into the electronic component area. This extension structure also increases the connection strength between the wiring cavity and the inverter enclosure. Attached Figure Description

[0027] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the first cross-section of an embodiment of the present utility model;

[0029] Figure 2 This is a schematic diagram showing the position of the back cover in an embodiment of this utility model;

[0030] Figure 3 This is a schematic diagram of the second cross-section of an embodiment of the present utility model;

[0031] Figure 4 This is a schematic diagram of the existing wiring cavity structure.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Wiring cavity; 2. Inverter enclosure; 3. Wall; 4. Back cover; 5. Wiring cavity cover; 6. Closed-cell foam; 7. Waterproof structure; 8. Insect-proof and water-permeable holes; 9. Support plate. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0035] like Figure 4 As shown, in the traditional scenario of concealed wiring for inverters, the wiring compartment is connected to the inner cavity and the wall conduit, allowing moisture to enter the inverter enclosure; a separate wiring compartment requires expansion screws to be driven into the wall for installation, making the installation process cumbersome.

[0036] The following is combined Figures 1 to 3 The following describes embodiments of the present invention.

[0037] According to embodiments of the present invention, such as Figure 1 As shown, a waterproof wiring structure for an inverter is provided, comprising:

[0038] The wiring cavity 1 is connected between the inverter enclosure 2 and the wall 3; the wall 3 is equipped with a conduit for wiring, and the wiring cavity 1 has an inlet and an outlet.

[0039] like Figure 2 As shown, the back cover 4 is fixedly installed on the wall 3;

[0040] The wiring cavity 1 is integrally formed with the inverter housing 2, and the wiring cavity 1 is detachably connected to the back cover 4. The outlet of the wiring cavity 1 can also serve as the wiring port of the inverter housing 2. The back cover 4 can connect the wiring cavity 1 to the wall 3, and can also support the wiring cavity 1. The back cover 4 can have pre-drilled mounting holes for connection to the wiring cavity 1 via bolts.

[0041] The inverter wiring waterproof structure of this application is applicable to both concealed wiring and conventional exposed wiring of inverters.

[0042] In this application, the wiring cavity 1 and the inverter enclosure 2 are integrally formed, eliminating the need for drilling and installation on the inverter enclosure 2. The wiring cavity 1 can be connected to the wall 3 via the back cover 4, eliminating the need for drilling and installation on the wall 3. The wiring cavity 1 and the back cover 4 are detachably connected, forming an integral connection between the wiring cavity 1 and the inverter enclosure 2 and the wall 3. This reduces installation steps, saving time and effort. Designing the wiring cavity 1 and the inverter enclosure 2 as an integral structure also eliminates the assembly gap at the connection point of the traditional separate wiring cavity 1 and the enclosure, blocking the path of moisture penetration. The detachable connection between the wiring cavity 1 and the back cover 4 eliminates the need to use expansion screws to fix the independent wiring cavity 1 to the wall 3 during construction; only the back cover 4 needs to be pre-fixed to the wall 3, and then the enclosure and wiring cavity 1 can be hung together as a whole. This reduces on-site installation steps and lowers the risk of damage to the wall 3 structure. In addition, the integrated structure enhances overall rigidity, preventing deformation of separate components or failure of sealing materials due to compression caused by uneven stress, and ensuring long-term stable waterproofing.

[0043] In one optional embodiment, the bottom plate of the wiring cavity 1 is a detachable wiring cavity cover 5. This provides ample space for on-site wiring, facilitating wire threading. The wiring cavity cover 5 can be bolted to the side wall of the wiring cavity 1.

[0044] In this application, after removing the cover plate, construction personnel can bring the wiring from the wall 3 into the inverter enclosure 2 from below. This also facilitates later maintenance or line expansion, allowing for cable inspection or replacement of sealing components without disassembling the entire inverter enclosure 2, thus reducing operation and maintenance costs and time.

[0045] In one optional embodiment, the wiring cavity cover plate 5 has a pre-drilled opening.

[0046] In this application, the cover plate has pre-drilled holes, which can support on-site drilling as needed to realize the lower wiring.

[0047] In one optional embodiment, a closed-cell foam 6 is provided between the wiring cavity 1 and the wall 3, and the inverter wiring passes through the closed-cell foam 6. The closed-cell foam 6 is fitted between the side wall of the wiring cavity 1 and the wall 3, and the closed-cell foam 6 extends beyond the side wall of the wiring cavity 1. This prevents rainwater from entering the conduit of the wall 3 along the wall. After the wiring cavity 1 and the back cover 4 are connected, the closed-cell foam 6 can be securely pressed between the wiring cavity 1 and the wall 3.

[0048] In this application, closed-cell foam 6 forms an elastic sealing layer at the interface between the wiring cavity 1 and the wall 3. Its closed-cell structure effectively blocks capillary penetration of liquid water and diffusion of water vapor. After being firmly pressed by the wiring cavity 1, the closed-cell foam 6 adaptively fills the uneven surface of the wall 3, eliminating the micro-gaps of traditional rigid installations. The wiring passes through the foam, and the foam material can tightly wrap the outer sheath of the wiring, preventing rainwater from creeping along the wiring surface and entering the wiring cavity 1. It has strong tolerance for differences in wire diameter, and can achieve uniform stress sealing for cables of different specifications. Moreover, it maintains good resilience after long-term compression, overcoming the hidden dangers of aging and cracking of rubber gaskets or detachment of silicone fillers.

[0049] In one optional embodiment, the top surface of the wiring cavity 1 is an inclined surface. Specifically, the top surface of the wiring cavity 1 can be an inverted V-shaped inclined surface.

[0050] In this application, gravity can be used to accelerate the drainage of rainwater away from the area where the wiring cavity 1 is located. When rainwater flows to the top of the wiring cavity 1, the slope guides the water flow to quickly disperse and drip to the outside of the cavity, avoiding water accumulation. It also reduces the risk of rainwater penetrating the closed-cell foam 6. The sloped structure also reduces the dust adhesion area, and together with the rainwater rinsing, it forms a self-cleaning effect, maintaining long-term waterproof performance.

[0051] In one optional embodiment, a waterproof structure 7 is installed at the connection point between the wiring cavity 1 and the inverter housing 2. The waterproof structure 7 can be located at the cable outlet of the wiring cavity 1, specifically as a rubber ring (with fireproof putty) or a gland connector. The rubber ring can fit tightly against the wiring, preventing external moisture from entering the inverter's internal cavity along the cable; the fireproof putty can fill irregular gaps in the wire harness, achieving a complete airtight seal. Compared to the traditional solution where the conduit runs directly into the internal cavity, the waterproof structure 7 establishes a dry buffer zone between the wiring cavity and the inverter housing 2, solving the problem of steam entering the conduit.

[0052] In this application, the waterproof structure 7 can prevent external moisture from entering the inverter cavity along the wiring.

[0053] In one alternative implementation, such as Figure 2 As shown, support plates 9 are provided on both sides of the bottom end of the back cover 4, and the side wall of the wiring cavity 1 is detachably connected to the support plate 9. The support plate 9 is suitable for supporting the wiring cavity 1.

[0054] In one alternative implementation, the back cover 4 is located between the inverter enclosure 2 and the wall 3.

[0055] In this application, the back-mounted cover 4 is located between the inverter enclosure 2 and the wall 3, reducing condensation inside the cavity caused by heat conduction. During installation, workers can first level the back-mounted cover 4 and then hang the inverter enclosure 2, solving the problem of the traditional solution requiring simultaneous alignment of the inverter enclosure 2 and the wiring cavity 1, thus improving installation accuracy and efficiency.

[0056] In one optional embodiment, the wiring cavity cover plate 5 is provided with insect-proof and water-permeable holes 8.

[0057] In this application, the micropore size of the insect-proof and water-permeable hole 8 prevents insects from entering, but allows liquid water to seep out under surface tension. In extreme cases where rainwater seeps into the wiring cavity 1 or condensation occurs, the accumulated water can be naturally discharged through the insect-proof and water-permeable hole 8, preventing long-term immersion of the cavity from causing sealant failure or corrosion of metal parts. The insect-proof and water-permeable hole 8 is designed at the lowest point of the wiring cavity 1, utilizing gravity to promote drainage efficiency.

[0058] In one alternative implementation, such as Figure 3 As shown, the end of the wiring cavity 1 extends into the interior of the inverter housing 2.

[0059] In this application, the structure of the wiring cavity 1 extending into the enclosure creates a physical isolation zone, transforming the inlet of the inverter enclosure 2 from a traditional "planar opening" into a "three-dimensional channel." The extension increases the length of the moisture permeation path, ensuring that even if external moisture breaches the seal of the wiring cavity 1, it will condense and flow back through the extension channel wall, preventing direct entry into the electronic component area. This extension structure also increases the connection strength between the wiring cavity 1 and the inverter enclosure 2.

[0060] This application can overcome the problems of waterproofing and wiring convenience of wiring cavity 1, and reserves a partial wiring method. It can overcome the problem of water ingress into the wall conduit 3, the problem of water vapor entering through the wall conduit 3, wiring cavity 1 and inverter cavity, and the problem of water accumulation in the wiring cavity.

[0061] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. An inverter wiring waterproof structure characterized by comprising: include: The wiring cavity (1) is connected between the inverter enclosure (2) and the wall (3); The back cover (4) is fixedly installed on the wall (3); The wiring cavity (1) and the inverter housing (2) are integrally formed, and the wiring cavity (1) and the back cover (4) are detachably connected.

2. The inverter wiring waterproof structure according to claim 1, characterized by, The bottom plate of the wiring cavity (1) is a detachable wiring cavity cover plate (5).

3. The inverter wiring waterproof structure according to claim 2, characterized by, The wiring cavity cover plate (5) has a pre-drilled hole.

4. The inverter wiring waterproof structure according to claim 1, characterized by, A closed-cell foam (6) is provided between the wiring cavity (1) and the wall (3), and the inverter wiring passes through the closed-cell foam (6).

5. The inverter wiring waterproof structure according to claim 1, characterized by, The top surface of the wiring cavity (1) is an inclined surface.

6. The inverter wiring waterproof structure according to claim 1, characterized in that, A waterproof structure (7) is installed at the connection between the wiring cavity (1) and the inverter enclosure (2).

7. The inverter wiring waterproof structure according to claim 1, characterized in that, The bottom of the back cover (4) is provided with support plates (9) on both sides. The side wall of the wiring cavity (1) is detachably connected to the support plate (9). The support plate (9) is suitable for supporting the wiring cavity (1).

8. The inverter wiring waterproof structure according to claim 7, characterized in that, The back cover (4) is located between the inverter enclosure (2) and the wall (3).

9. The inverter wiring waterproof structure according to claim 2, characterized in that, The wiring cavity cover plate (5) is provided with insect-proof and water-permeable holes (8).

10. The inverter wiring waterproof structure according to claim 1, characterized in that, The end of the wiring cavity (1) extends into the interior of the inverter housing (2).

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