Lamp display sealing waterproof structure and inverter comprising same

Abstract

The lamp display sealing waterproof structure comprises an LED display lamp, a light guide lampshade and a shell, the light guide lampshade is composed of a sealing ring groove rubber ring and a light guide column arranged in the sealing ring groove rubber ring, a through hole is formed in the groove bottom of the sealing ring groove rubber ring, and the light guide column is arranged in the sealing ring groove rubber ring. A through hole is formed in the shell, an open hole is formed in the position, corresponding to the through hole, of the shell, the light guide column is composed of a limiting light guide column body and a supporting ring wall fixedly installed on the top of the limiting light guide column body, the LED display lamp is arranged in a ring of the supporting ring wall, and the limiting light guide column body penetrates through the through hole and then is arranged in the open hole. The utility model has the beneficial effects that the problem that the light guide column cannot be fixed is solved, the gluing action around the light guide column is reduced, the assembly process is simple, the scheme is reliable, the light guide column and the sealing ring groove rubber ring are integrated, secondary gluing is not needed, the assembly operation is simple, and the production efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of new energy, in particular to a lamp display sealing and waterproof structure and an inverter containing the same. Background Art

[0002] For devices such as inverters, there are usually display lights on the outer casing, and most of these products are glue-filled products. It is necessary to ensure that there is no glue leakage between the light and the outer casing and that the light displays normally. The cost of onboard SMD LED lights is obviously advantageous, and the assembly is simple without the need for separate plugging and unplugging. However, a light guide is required to achieve this. The light guide needs to prevent the potting glue from leaking out from the inside, and also prevent outside water from entering from the gap, so as to play a two-way cutoff protection role.

[0003] In the prior art, there are many problems in using LED lamps with wires or directly applying glue around the light guide column for sealing. For example, the light guide column and the sealing structure need to be separated and assembled again, or the foot pad needs to be fixed on the PCBA with glue on the back during the glue application process, the lampshade and the lampshade sealing ring are easy to fall off, the lampshade sealing ring is not in sufficient contact, glue enters the light display area causing the machine to be unable to display the working status, the potting glue covers the light display, and other problems cannot be clearly displayed. Utility Model Content

[0004] The purpose of the utility model is to provide a light display sealed waterproof structure and an inverter containing the same in order to solve the above problems.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] A light display sealed and waterproof structure comprises an LED display light, a light guide lamp cover and a shell, wherein the light guide lamp cover is composed of a sealing ring groove rubber ring and a light guide column arranged in the sealing ring groove rubber ring, a through hole is provided at the groove bottom of the sealing ring groove rubber ring, an opening is provided at a position corresponding to the through hole on the shell, the light guide column is composed of a limiting light guide column body and a supporting ring wall fixedly installed on the top of the limiting light guide column body, the LED display light is arranged in the ring of the supporting ring wall, and the limiting light guide column body is placed in the opening after passing through the through hole.

[0007] Furthermore, the sealing ring groove rubber ring and the light guide column are integrally formed.

[0008] Furthermore, a column-inserted limit stop ring is fixedly sleeved on the outer side of the light guide column, and a plurality of limit slots are evenly distributed on the column-inserted limit stop ring. A limit strip matching the limit slot is provided in the ring groove of the sealing ring groove rubber ring, and the limit strip is inserted into the limit slot.

[0009] Furthermore, the width of the top end of the position-limiting and locking strip is smaller than the width of the bottom end of the position-limiting and locking strip, and the horizontal cross-section of the position-limiting and locking strip is a regular trapezoid.

[0010] Furthermore, the LED display light is mounted on a PCBA board, and the PCBA board and the housing are fixedly mounted together.

[0011] Furthermore, the PCBA board and the housing are fixed together by means of screws or snaps.

[0012] Furthermore, a housing annular protrusion is provided on the housing, an annular recess is provided at the bottom of the sealing ring groove rubber ring, and the housing annular protrusion is sleeved on the annular recess.

[0013] Furthermore, a plurality of support reinforcement ribs evenly distributed in an annular shape are provided on the outer annular surface of the support annular wall.

[0014] Furthermore, a light guide limiting strip groove is provided on the inner hole wall of the through hole, a column light guide hole limiting convex strip is provided on the column wall of the limiting light guide column, and the column light guide hole limiting convex strip is inserted into the light guide limiting strip groove.

[0015] The utility model also discloses an inverter, which comprises the above-mentioned lamp-display sealing and waterproof structure.

[0016] The beneficial effects of the utility model are:

[0017] 1. Solve the problem that the light guide column cannot be fixed;

[0018] 2. The glue application around the light guide column is reduced, the assembly process is simple and the solution is reliable;

[0019] 3. The light guide column and the rubber ring sealing ring groove rubber ring are two-in-one, no need for secondary gluing, simple assembly operation and high production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of a half cross-sectional structure of a light display sealing and waterproof structure described in the utility model;

[0021] Figure 2 It is a schematic diagram of a quarter of the cross-section of a light display sealing and waterproof structure described in the utility model;

[0022] Figure 3 This is a structural diagram of a light guide lampshade with a sealed and waterproof structure for a lamp display described in the utility model;

[0023] Figure 4 It is a top view schematic diagram of a light guide lampshade of a lamp display sealing and waterproof structure described in the utility model;

[0024] Figure 5It is a cross-sectional schematic diagram of a light guide lampshade of a lamp display sealing and waterproof structure described in the utility model;

[0025] Figure 6 This is a structural diagram of a light guide column of a light display sealing and waterproof structure described in the utility model;

[0026] Figure 7 The utility model is a bottom view schematic diagram of a light guide lampshade with a sealed and waterproof structure for lamp display.

[0027] The following are the descriptions of the reference numerals:

[0028] 1. PCBA board; 2. LED display light; 3. Light guide lamp cover; 4. Shell; 5. Light guide column; 6. Sealing ring groove rubber ring; 7. Limit light guide column; 8. Support ring wall; 9. Column inserted limit baffle ring; 10. Limit card slot; 11. Column light guide hole limit convex strip; 12. Support reinforcement rib; 13. Limit card strip; 14. Shell ring convex part; 15. Through hole; 16. Opening; 17. Ring concave part; 18. Light guide limit strip groove. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings:

[0030] like Figure 1 - Figure 7 As shown, a light display sealed waterproof structure includes an LED display lamp 2, a light guide lamp cover 3 and a housing 4;

[0031] The light guide lamp cover 3 is composed of a sealing ring groove rubber ring 6 and a light guide column 5 arranged in the sealing ring groove rubber ring 6. A through hole 15 is provided at the bottom of the groove of the sealing ring groove rubber ring 6. An opening 16 is provided at a position corresponding to the through hole 15 on the shell 4. The light guide column 5 is composed of a limiting light guide column 7 and a supporting ring wall 8 fixedly installed on the top of the limiting light guide column 7. The LED display light 2 is arranged in the ring of the supporting ring wall 8. The limiting light guide column 7 passes through the through hole 15 and is placed in the opening 16, so that the light of the LED display light 2 can be easily guided out through the limiting light guide column 7, so that personnel can understand the operation status of the inverter through the color change of the limiting light guide column 7.

[0032] In one embodiment, the light guide column 5 and the sealing ring groove rubber ring 6 are integrally formed, for example, they can be integrally formed by two-color injection molding process.

[0033] In one embodiment, the limiting light-guiding cylinder 7 and the supporting ring wall 8 are an integrated structure.

[0034] In one embodiment, the housing 4 is a housing of an inverter, that is, a shell of the inverter.

[0035] In one embodiment, the end surface of the position-limiting light-guiding cylinder 7 is flush with the lower surface of the opening 16 . Since the opening 16 passes through the housing 4 , the end surface of the position-limiting light-guiding cylinder 7 is flush with the outer surface of the housing 4 .

[0036] In another embodiment, the end of the limiting light-guiding cylinder 7 protrudes out of the opening 16, that is, the end of the limiting light-guiding cylinder 7 is exposed outside the shell 4, or the end of the limiting light-guiding cylinder 7 is exposed outside the outer surface of the shell 4. For example, the height of the end exposed outside the opening 16 is 1 / 6, or 1 / 5, etc. of the length of the opening 16 (that is, the thickness of the shell 4).

[0037] like Figure 1 - Figure 7 As shown, the utility model also discloses the following more optimized specific structures:

[0038] A column-inserted limit stop ring 9 is fixedly sleeved on the outer side of the light guide column 5, and a plurality of limit slots 10 are evenly distributed on the column-inserted limit stop ring 9. A limit slot strip 13 matching the limit slot 10 is provided in the ring groove of the sealing ring groove rubber ring 6. The limit slot strip 13 is inserted into the limit slot 10 to achieve its positioning and sealing.

[0039] In one embodiment, the top width of the limiting card strip 13 is smaller than the bottom width of the limiting card strip 13 , and the horizontal cross-section of the limiting card strip 13 is a regular trapezoid; accordingly, the top width of the limiting card slot 10 is smaller than the bottom width of the limiting card slot 10 .

[0040] The LED display lamp 2 is mounted on the PCBA board 1 , and the PCBA board 1 and the housing 4 are fixedly mounted together.

[0041] In one embodiment, the PCBA board 1 and the housing 4 are fixed together by means of screws or buckles.

[0042] In one embodiment, the LED display light 2 is a SMD LED display light, and the LED display light 2 is installed on the PCBA board 1 by SMD welding. More specifically, the LED display light 2 is installed on the surface of the PCBA board 1 close to the shell 4 by SMD welding.

[0043] The housing 4 is provided with a housing annular protrusion 14, and the bottom of the sealing ring groove rubber ring 6 is provided with an annular recess 17. The housing annular protrusion 14 is sleeved on the annular recess 17 to achieve auxiliary limit sealing. In one embodiment, the two are interference fit.

[0044] A plurality of support reinforcement ribs 12 evenly distributed in an annular shape are provided on the outer ring surface of the support ring wall 8 . The support reinforcement ribs 12 are used to increase the support effect of the support ring wall 8 and facilitate the support of the PCBA board 1 .

[0045] The inner wall of the through hole 15 is provided with a light guide limiting groove 18, and the column wall of the limiting light guide column 7 is provided with a column light guide hole limiting convex strip 11, which is inserted into the light guide limiting groove 18 to achieve limiting.

[0046] The utility model also discloses an inverter, which comprises the above-mentioned lamp-display sealing and waterproof structure.

[0047] In one embodiment, the inverter is a microinverter.

[0048] The utility model discloses a sealing and waterproof structure for lamp display and an inverter containing the same, wherein a light guide column 5 and a sealing ring groove rubber ring 6 form a light guide lamp cover 3, wherein the light guide column 5 has light guiding property, the light guide lamp cover 3 is inserted and installed into the shell ring convex portion 14 on the shell 4 by interference fit, and the PCBA board 1 and the shell 4 are fixed together by means of screws, etc., the PCBA board 1 presses the sealing ring groove rubber ring 6, the sealing ring groove rubber ring 6 can be made of silicone or other materials, and the pressure is assisted by the support reinforcement rib 12, the LED display lamp 2 enters the support ring wall 8 on one side of the light guide column 5, and then the two-component potting glue is added to the inside of the shell 4.

[0049] The utility model provides a sealed waterproof structure for lamps and an inverter containing the same, and the beneficial effects include but are not limited to: by combining the sealing ring groove rubber ring 6 and the light guide column 5 therein, the problem that the light guide column cannot be fixed is solved, and the gluing action around the light guide column is reduced, the assembly process is simple, and the solution is reliable; in addition, the light guide column 5 and the sealing ring groove rubber ring 6 are two-in-one, and no secondary gluing is required, the assembly operation is simple, and the production efficiency is high.

[0050] Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements shall fall within the scope of the present invention to be protected.

Claims

1. A light display sealing and waterproof structure, characterized in that: It includes an LED display light, a light guide lamp cover and a shell. The light guide lamp cover is composed of a sealing ring groove rubber ring and a light guide column arranged in the sealing ring groove rubber ring. The bottom of the sealing ring groove rubber ring is provided with a through hole. The shell is provided with an opening at a position corresponding to the through hole. The light guide column is composed of a limiting light guide column body and a supporting ring wall fixedly installed on the top of the limiting light guide column body. The LED display light is arranged in the ring of the supporting ring wall. The limiting light guide column passes through the through hole and is placed in the opening.

2. A light display sealing and waterproof structure according to claim 1, characterized in that: The sealing ring groove rubber ring and the light guide column are integrally formed.

3. The sealing and waterproof structure of a lamp display according to claim 1, characterized in that: A column-inserted limit stop ring is fixedly sleeved on the outer side of the light guide column, and a plurality of limit slots are evenly distributed on the column-inserted limit stop ring. A limit strip matching the limit slot is provided in the ring groove of the sealing ring groove rubber ring, and the limit strip is inserted into the limit slot.

4. A light display sealing and waterproof structure according to claim 3, characterized in that: The top width of the position-limiting and locking strip is smaller than the bottom width of the position-limiting and locking strip, and the horizontal cross-section of the position-limiting and locking strip is a regular trapezoid.

5. The sealing and waterproof structure of a lamp display according to claim 1, characterized in that: The LED display light is installed on a PCBA board, and the PCBA board and the housing are fixedly installed together.

6. A light display sealing and waterproof structure according to claim 5, characterized in that: The PCBA board and the housing are fixed together by screws or snaps.

7. The sealing and waterproof structure of a lamp display according to claim 1, characterized in that: The housing is provided with a housing annular convex portion, the bottom of the sealing ring groove rubber ring is provided with an annular concave portion, and the housing annular convex portion is sleeved on the annular concave portion.

8. The sealing and waterproof structure of a lamp display according to claim 1, characterized in that: A plurality of support reinforcement ribs evenly distributed in an annular shape are arranged on the outer annular surface of the support annular wall.

9. The sealing and waterproof structure of a lamp display according to claim 1, characterized in that: A light guide limiting strip groove is arranged on the inner hole wall of the through hole, a column light guide hole limiting convex strip is arranged on the column wall of the limiting light guide column, and the column light guide hole limiting convex strip is inserted into the light guide limiting strip groove.

10. An inverter, characterized in that: The invention comprises the sealing and waterproof structure of the lamp display as described in any one of claims 1 to 9.

Images