CN219416303U - Infrared data acquisition water gauge package assembly - Google Patents

Abstract

The utility model discloses an infrared data acquisition water meter assembly structure, which comprises a protective cover plate, a lower box shell with a shell inner cavity, and a circuit board arranged in the shell inner cavity, wherein a plurality of infrared transmitting/receiving elements are connected to the circuit board; the circuit board is coated with a transparent electronic adhesive layer for completely covering the infrared transmitting/receiving element; and pouring sealant is filled in the inner cavity of the shell between the protective cover plate and the lower box shell. The utility model has reasonable structural design, can effectively prevent pouring sealant from entering the gap between the infrared transmitting/receiving element and the transparent light guide column while meeting the complete sealing requirement of the circuit board, and avoids influencing the transmission of infrared communication signals.

Description

Infrared data acquisition water gauge package assembly

Technical Field

The utility model relates to the technical field of water meters, in particular to an infrared data acquisition water meter assembly structure.

Background

The infrared intelligent water meter is one of intelligent water meters which are developed to have charm not possessed by other water meters in China, is very forefront and very important, and an intelligent system of the intelligent water meter can realize short-distance communication control, can realize short-distance data network transmission and management and control work under the control environment of an infrared detection technology, and can enable resident users to experience water consumption scientifically managed by artificial intelligence. Such as: the Chinese patent application (application publication number: CN115527502A, application publication date: 2022.12.27) discloses an intelligent water meter backlight control system based on infrared induction, which adopts a micro-power consumption design method to shorten the infrared emission time and the emission frequency, and the emission frequency is changed according to the relative change of the amplitude of a receiving end in order to improve the induction effect; considering the complexity of the field use environment and the difference of the infrared receiving signal amplitude caused by electronic components and mechanical parts, the utility model does not judge the amplitude of the infrared receiving signal, but judges the amplitude according to the relative variation of the signal amplitude; the utility model optimizes the effective infrared induction area on the mechanical structure and reduces the false triggering rate of infrared induction.

However, this solution does not disclose or describe a specific assembly connection relationship between the infrared transmitting/receiving element and the water meter housing, and in an actual assembly manufacturing process, in order to ensure a good waterproof sealing effect of the circuit board, a black polyurethane adhesive is usually required to be encapsulated, and the circuit board is completely covered by the polyurethane adhesive. However, in the potting process, the polyurethane adhesive is relatively easy to enter a gap between the infrared transmitting/receiving element and the transparent cover body, so that the infrared transmitting/receiving element is shielded, and the receiving or transmitting signals of the infrared transmitting/receiving element are difficult to transmit, so that the manufactured product is scrapped. How to design a reasonable package assembly to avoid the pouring sealant to lead to the fact the influence to infrared signal transmission of infrared transmitting/receiving element, become the technical problem that this application needs to solve.

Disclosure of Invention

The utility model aims to provide an infrared data acquisition water meter assembly structure so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the infrared data acquisition water meter assembly structure comprises a protective cover plate, a lower box shell with a shell inner cavity, and a circuit board arranged in the shell inner cavity, wherein a plurality of infrared transmitting/receiving elements are connected to the circuit board, a transparent convex cover shell is arranged on the protective cover plate, the arrangement position of the transparent convex cover shell corresponds to the position of the infrared transmitting/receiving elements, and a plurality of transparent light guide columns are integrally connected to the inner end face of the transparent convex cover shell;

the circuit board is coated with a transparent electronic adhesive layer for completely covering the infrared transmitting/receiving element, and the lower end of the transparent light guide column is abutted against the transparent electronic adhesive layer;

and pouring sealant is filled in the inner cavity of the shell between the protective cover plate and the lower box shell.

Preferably, the protective cover plate is provided with at least one glue filling hole. Black polyurethane glue can be filled into the inner cavity of the shell through the glue filling hole.

Preferably, one end of the lower box shell is integrally connected with a butt joint pipe body, and a plug-in butt joint cavity for installing the detection element is further formed at the joint of the lower box shell and the butt joint pipe body.

Preferably, a plurality of inserting holes are distributed on the circuit board, a plurality of support columns are integrally connected in the inner cavity of the lower box shell, and inserting columns used for being inserted into the inserting holes extend on the support columns. Through the cartridge hole cooperation on spliced pole and the circuit board, carry out the level spacing to the circuit board, support the circuit board through the support column for the circuit board keeps in the centre of casing inner chamber, is favorable to follow-up pouring sealant cladding circuit board completely.

Preferably, the outer wall of the lower box shell is further provided with a butt joint hole site and a clamping groove site in a distributed mode, the outer decorative cover is provided with a butt joint column used for being inserted into the butt joint hole site, and the outer decorative cover is further provided with a clamping part matched with the clamping groove site.

Preferably, the pouring sealant is black polyurethane glue.

Compared with the prior art, the utility model has the beneficial effects that: through a plurality of transparent leaded light posts that are used for corresponding with infrared transmitting/receiving element at the inside terminal surface body coupling of transparent protruding lid shell, in assembling the in-process, at the infrared transmitting/receiving element mounted position department coating transparent electronic glue film of circuit board earlier, transparent electronic glue film covers infrared transmitting/receiving element completely, then, assemble the protection apron again, let the lower extreme of transparent leaded light post bond on transparent electronic glue film, so structural design can make the signal that infrared transmitting/receiving element can receive or send pass along transparent leaded light post.

Through the structural design, in the process of filling the pouring sealant later, the transfer that the pouring sealant shields the infrared transmitting/receiving element 31 and can receive or transmit signals can be effectively avoided.

Drawings

FIG. 1 is a schematic perspective view of an assembled structure of an infrared data collection water meter at a first viewing angle;

FIG. 2 is a schematic perspective view of an assembled structure of an infrared data collection water meter at a second view angle;

FIG. 3 is a schematic top view of an infrared data collection meter assembly;

FIG. 4 is a schematic view of the structure of section A-A in FIG. 3 of an assembled structure of an infrared data acquisition water meter;

FIG. 5 is a schematic diagram of a cross-sectional structure of an infrared data collection water meter assembly after gluing;

FIG. 6 is an exploded perspective view of an infrared data collection meter assembly;

fig. 7 is an enlarged schematic diagram of the structure of the infrared data collection water meter assembly structure at B in fig. 5.

In the figure: 100-shell inner cavity, 1-lower box shell, 11-butt joint pipe body, 12-plug-in butt joint cavity, 13-support column, 14-plug-in column, 15-butt joint hole site, 16-clamping slot site, 2-protection cover plate, 21-transparent convex cover shell, 22-transparent light guide column, 23-glue filling port, 3-circuit board, 31-infrared transmitting/receiving element, 32-plug-in hole and 4-transparent electronic glue layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 7, an assembly structure of an infrared data collection water meter includes a protective cover plate 2, a lower case 1 having a case cavity 100, and a circuit board 3 mounted in the case cavity 100, wherein the circuit board 3 is connected with a plurality of infrared transmitting/receiving elements 31, the protective cover plate 2 has a transparent convex cover shell 21, the position of the transparent convex cover shell 21 corresponds to the position of the infrared transmitting/receiving elements 31, and the inner end surface of the transparent convex cover shell 21 is integrally connected with a plurality of transparent light guide columns 22;

the circuit board 3 is coated with a transparent electronic adhesive layer 4 for completely covering the infrared transmitting/receiving element 31, and the lower end of the transparent light guide column 22 is abutted against the transparent electronic adhesive layer 4; a potting adhesive (not shown in the figure) is filled in the inner cavity of the shell between the protective cover plate 2 and the lower box shell 1, and the potting adhesive can be black polyurethane adhesive specifically.

The working principle of the utility model is as follows: through a plurality of transparent light guide columns 22 that are used for corresponding with infrared transmitting/receiving element 31 in the inside terminal surface integrated connection of transparent protruding lid shell 21, in the assembly process, at the infrared transmitting/receiving element 31 mounted position department coating transparent electronic glue film 4 of circuit board 3 earlier, transparent electronic glue film 4 will infrared transmitting/receiving element 31 covers completely, then, assemble protection apron 2 again, let the lower extreme of transparent light guide column 22 bond on transparent electronic glue film 4, structural design like this can make the signal that infrared transmitting/receiving element 31 can receive or send pass along transparent light guide column 22.

Through the structural design, in the process of filling the pouring sealant later, the transfer that the pouring sealant shields the infrared transmitting/receiving element 31 and can receive or transmit signals can be effectively avoided.

Wherein, at least one glue filling hole 23 is arranged on the protective cover plate 2, and black polyurethane glue can be filled into the inner cavity 100 of the shell through the glue filling hole 23.

As a specific scheme, one end of the lower box shell 1 is integrally connected with a butt joint pipe body 11, and a plug-in butt joint cavity 12 for installing a detection element is further formed at the joint of the lower box shell 1 and the butt joint pipe body 11. Obviously, the detecting element may specifically employ a pressure detecting sensor for detecting the water pressure. After the butt joint pipe body 11 is assembled with the water body pipeline in a butt joint way, the pressure detection sensor can detect the water pressure and transmit pressure data to the circuit board 3, and the circuit board 3 converts the pressure data into infrared communication signals and transmits the infrared communication signals to the outside through the infrared transmitting/receiving element 31. The infrared receiving end of the external equipment is close to the transparent convex cover shell 21, so that corresponding water meter pressure data can be received.

As a further scheme, a plurality of inserting holes 32 are distributed on the circuit board 3, a plurality of support columns 13 are integrally connected in the inner cavity of the lower box shell 1, and inserting columns 14 for inserting into the inserting holes 32 extend on the support columns 13. Through the cooperation of inserted post 14 and the cartridge hole 32 on the circuit board 3, carry out the horizontal spacing to the circuit board 3, support the circuit board 3 through support column 13 for circuit board 3 keeps in the centre of casing inner chamber 100, is favorable to follow-up pouring sealant cladding circuit board 3 completely.

Obviously, the utility model can also comprise a decorative outer cover, wherein the outer wall of the lower box shell 1 is also provided with a butt joint hole site 15 and a clamping groove site 16 in a distributed manner, the decorative outer cover is provided with a butt joint column for being inserted into the butt joint hole site 15, and the decorative outer cover is also provided with a clamping part for being matched with the clamping groove site 16.

The specific assembly steps of the utility model are as follows:

1. firstly, the circuit board 3 is put into the inner cavity 100 of the lower box shell 1, and at the moment, the inserting posts 14 are inserted into the inserting holes 32 of the circuit board 3;

2. next, a transparent electronic adhesive layer 4 is coated at the mounting position of the infrared transmitting/receiving element 31 of the wiring board 3;

3. then, the protective cover plate 2 is arranged, so that the transparent light guide column 22 at the lower end of the transparent convex cover shell 21 is propped against the transparent electronic adhesive layer 4, and the transparent electronic adhesive layer 4 can effectively fill a gap between the infrared transmitting/receiving element 31 and the transparent light guide column 22, thereby avoiding the influence on the transmission of communication signals caused by the entering of subsequent pouring sealant;

4. the black polyurethane glue is filled into the inner cavity 100 of the shell through the glue filling hole 23, so that the inner cavity 100 of the shell between the protective cover plate 2 and the lower box shell 1 is filled with the black polyurethane glue, and the solidified pouring sealant can completely cover the circuit board 3, so that the waterproof sealing effect is good; finally, the decorative outer cover is assembled.

In the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. refer to an orientation or a positional relationship based on that shown in the drawings, and are merely relational terms, which are used for convenience in describing structural relationships of various components or elements of the present utility model, and do not denote any one of the components or elements of the present utility model, and are not to be construed as limiting the present utility model.

Claims (6)

1. The utility model provides an infrared data acquisition water gauge package assembly, includes protection apron (2) and has lower box casing (1) of casing inner chamber (100), its characterized in that: the infrared light source is characterized by further comprising a circuit board (3) arranged in the inner cavity (100) of the shell, wherein a plurality of infrared transmitting/receiving elements (31) are connected to the circuit board (3), a transparent convex cover shell (21) is arranged on the protective cover plate (2), and a plurality of transparent light guide columns (22) are integrally connected to the inner end face of the transparent convex cover shell (21);

the circuit board (3) is coated with a transparent electronic adhesive layer (4) for completely covering the infrared transmitting/receiving element (31), and the lower end of the transparent light guide column (22) is abutted against the transparent electronic adhesive layer (4);

and pouring sealant is filled in the inner cavity of the shell between the protective cover plate (2) and the lower box shell (1).

2. The infrared data collection water meter assembly of claim 1, wherein: at least one glue filling hole (23) is formed in the protective cover plate (2).

3. The infrared data collection water meter assembly of claim 2, wherein: one end of the lower box shell (1) is integrally connected with a butt joint pipe body (11), and a plug-in butt joint cavity (12) for installing a detection element is further formed at the joint of the lower box shell (1) and the butt joint pipe body (11).

4. An infrared data collection meter assembly as defined in claim 3, wherein: a plurality of inserting holes (32) are distributed and formed in the circuit board (3), a plurality of support columns (13) are integrally connected in the inner cavity of the lower box shell (1), and inserting columns (14) used for being inserted into the inserting holes (32) extend on the support columns (13).

5. An infrared data collection water meter assembly according to any of claims 1-4, wherein: the novel box comprises a box body and is characterized by further comprising a decorative outer cover, wherein butt joint hole sites (15) and clamping groove sites (16) are further distributed on the outer wall of the lower box body (1), butt joint columns used for being inserted into the butt joint hole sites (15) are arranged on the decorative outer cover, and clamping parts used for being matched with the clamping groove sites (16) are further arranged on the decorative outer cover.

6. An infrared data collection water meter assembly according to any of claims 1-4, wherein: the pouring sealant is black polyurethane adhesive.