CN221571579U

CN221571579U - Controller assembly and water meter

Info

Publication number: CN221571579U
Application number: CN202323415575.3U
Authority: CN
Inventors: 杜勝利
Original assignee: Jinka Water Technology Co ltd
Current assignee: Jinka Water Technology Co ltd
Priority date: 2023-12-14
Filing date: 2023-12-14
Publication date: 2024-08-20
Anticipated expiration: 2033-12-14

Abstract

The utility model belongs to the technical field of water meters, and particularly relates to a controller assembly and a water meter, wherein the controller assembly comprises: the top of the glue pouring box is provided with an opening; the circuit board is transversely arranged in the glue filling box; the liquid crystal panel is arranged on one side of the circuit board facing the opening; the sealing cover is arranged on the circuit board and comprises a first sealing part, the first sealing part comprises a first protection cavity, the liquid crystal panel is accommodated in the first protection cavity, a transparent piece is arranged at the position, opposite to the liquid crystal panel, of the first sealing part, the first sealing part is in sealing connection with the surface of the circuit board, and the first sealing part is used for blocking sealant from entering the first protection cavity under the state of filling sealant in the sealant filling box. According to the utility model, the sealing cover is arranged on the circuit board, and the first sealing part of the sealing cover is in sealing connection with the circuit board, so that the sealant is effectively prevented from entering the first sealing part, and the appearance and data reading of the liquid crystal panel in the first sealing part are ensured.

Description

Controller assembly and water meter

Technical Field

The utility model belongs to the technical field of water meters, and particularly relates to a controller assembly and a water meter.

Background

This section provides merely background information related to the present disclosure and is not necessarily prior art.

The glue filling boxes of water meters in the current market are mainly provided with circuit boards mounted on the back, and devices such as liquid crystals and the like are isolated from sealant by using foam. When the foam is used for isolation, the glue isolation effect can be guaranteed only by larger compression amount, so that larger stress can be generated on components such as a circuit board, the foam is relatively larger in size, a certain space is occupied, the foam structure is unstable in size, and the glue seepage problem can occur due to poor sealing effect.

Disclosure of utility model

The utility model aims to at least solve the problems that when the back surface mounting circuit board is adopted by the glue filling box, larger stress is generated on the circuit board through foam glue isolation and the glue isolation effect is poor. The aim is achieved by the following technical scheme:

A first aspect of the present utility model proposes a controller assembly for a water meter, the controller assembly comprising:

the top of the glue pouring box is provided with an opening;

the circuit board is transversely arranged in the glue filling box;

a liquid crystal panel arranged on one side of the circuit board facing the opening;

The sealing cover is arranged on the circuit board and comprises a first sealing part, the first sealing part comprises a first protection cavity, the liquid crystal panel is accommodated in the first protection cavity, a transparent part is arranged at the position, opposite to the liquid crystal panel, of the first sealing part, the first sealing part is in sealing connection with the surface of the circuit board, and in a state of filling sealant in the sealant filling box, the first sealing part blocks the sealant from entering the first protection cavity.

According to the controller component, the circuit board is arranged in the glue filling box with the top opening, so that glue filling operation is facilitated. Through setting up the sealed cowling on the circuit board, the first sealing portion of sealed cowling includes first protection chamber, and first sealing portion and the surface seal connection of circuit board, under the state of filling the sealant in the encapsulating box, the sealant covers circuit board and sealed cowling parcel, and first sealing portion effectively blocks that the sealant gets into in the first sealing portion, avoids the sealed fuzzy liquid crystal display panel that is located first sealing portion and influences liquid crystal display panel's outward appearance and data reading to the effective protection to liquid crystal display panel has been realized.

In addition, the controller assembly according to the utility model may also have the following additional technical features:

in some embodiments of the utility model, the sealed enclosure is a transparent enclosure.

In some embodiments of the utility model, the controller assembly further comprises a first seal ring disposed between a lower edge of the first seal portion and the circuit board.

In some embodiments of the present utility model, a groove is provided at an upper end of the first sealing ring, and a lower edge of the first sealing part is embedded in the groove.

In some embodiments of the present utility model, the sealing cover further includes a second sealing portion, the second sealing portion includes a second protection cavity, the controller assembly further includes a photosensitive switch, the photosensitive switch is disposed on the circuit board and is located in the second protection cavity, the second sealing portion is in sealing connection with a surface of the circuit board, and in a state that the sealant is filled in the sealant filling box, the second sealing portion blocks the sealant from entering the second protection cavity.

In some embodiments of the present utility model, the controller assembly further includes a second sealing ring, where the second sealing ring is disposed in the second protection cavity and surrounds the circumference of the photosensitive switch, and a height of the second sealing ring is greater than a depth of the second protection cavity in a direction perpendicular to the circuit board.

In some embodiments of the present utility model, the controller assembly further includes a third sealing portion, the third sealing portion includes a third protection cavity, the controller assembly further includes an infrared lamp, the infrared lamp is disposed on the circuit board and located in the third protection cavity, the third sealing portion is in sealing connection with a surface of the circuit board, and in a state that the sealant is filled in the sealant filling box, the third sealing portion blocks the sealant from entering the third protection cavity.

In some embodiments of the present utility model, the controller assembly further includes a third sealing ring, the third sealing ring is disposed in the third protection cavity and surrounds the peripheral side of the infrared lamp, and in a direction perpendicular to the circuit board, a height of the third sealing ring is greater than a depth of the third protection cavity.

In some embodiments of the present utility model, at least two opposite side walls of the glue filling box are provided with a clamping piece, and the clamping piece is in clamping fit with the sealing cover;

And/or, the bottom of the glue filling box is provided with a supporting part, and the circuit board is detachably arranged on the supporting part.

A second aspect of the present utility model provides a water meter comprising:

the upper cover is buckled on the bottom shell;

According to any one of the controller components provided by the first aspect of the utility model, the controller component is arranged in a space surrounded by the upper cover and the bottom shell, and the sealant is filled in the sealant filling box of the controller component.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

Fig. 1 schematically shows a structural diagram of a controller assembly according to an embodiment of the present utility model.

Fig. 2 schematically shows an exploded view of a controller assembly according to an embodiment of the utility model.

Fig. 3 schematically shows a diagram of the positional relationship of the seal housing with the first, second, and third seal rings according to the embodiment of the present utility model.

The reference numerals are as follows:

1. A glue filling box; 11. an opening; 12. a support member; 2. a circuit board; 3. a liquid crystal panel; 4. a sealing cover; 41. a first sealing part; 411. a first protective cavity; 42. a second sealing part; 421. a second protective cavity; 43. a third sealing part; 431. a third protective cavity; 5. a photosensitive switch; 6. an infrared lamp; 7. a first seal ring; 71. a groove; 8. a second seal ring; 9. a third seal ring; 10. a clamping piece.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below 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 embodied 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.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Accordingly, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

The following detailed description of the technical solutions of the present embodiment is given with reference to the accompanying drawings, and the following embodiments and examples may be combined with each other without conflict.

According to an embodiment of the present utility model, as shown in fig. 1 and 2, a controller assembly is provided, and the controller assembly may be applied to an electrical device with a high requirement on water resistance, such as a water meter. The controller component comprises a glue filling box 1, a circuit board 2 and a liquid crystal panel 3, wherein a containing cavity is formed in the glue filling box 1, an opening 11 is formed in the top of the glue filling box 1, and the circuit board 2 is transversely arranged in the glue filling box 1 through the opening 11. The glue filling box 1 of the embodiment is more convenient to fill glue by opening at the top 11. In a preferred embodiment, the circuit board 2 is used for bearing electronic devices, and the glue-pouring box 1 can further ensure the waterproof sealing effect on the front surface of the circuit board 2 when being used for pouring glue.

The liquid crystal panel 3 is disposed on a side of the circuit board 2 facing the opening 11, and the liquid crystal panel 3 can display data information of the water meter. The controller assembly further comprises a sealing cover 4, the sealing cover 4 is arranged on the circuit board 2, the sealing cover 4 comprises a first sealing part 41, the first sealing part 41 comprises a first protection cavity 411, the liquid crystal panel 3 is accommodated in the first protection cavity 411, and a transparent piece is arranged at the position, opposite to the liquid crystal panel 3, of the first sealing part 41 so as to read data displayed by the liquid crystal panel 3 from the outside of the first sealing part 41. The first sealing part 41 is in sealing connection with the surface of the circuit board 2, and in the state that the sealant is filled in the sealant filling box 1, the sealant covers and wraps the circuit board 2 and the sealing cover 4, and the first sealing part 41 can effectively prevent the sealant from entering the first sealing part 41, so that the influence on the appearance and data reading of the liquid crystal panel 3 caused by the blurring of the liquid crystal panel 3 by the sealant is avoided, and the effective protection of the liquid crystal panel 3 is realized.

In an example, the transparent window is a plastic transparent member, and the plastic transparent member is preferably molded integrally with the first sealing portion 41, so as to further improve the sealing performance of the first sealing portion 41 while ensuring the see-through performance.

In an example, the sealing cover 4 is a transparent cover, and data reading of the liquid crystal panel 3 is realized while ensuring the sealing effect. In the case that the circuit board 2 is provided with the photosensitive switch 5 and the infrared lamp 6, the sealing cover 4 is arranged into a transparent cover, so that external light can be absorbed into the transparent cover and sensed by the photosensitive switch 5 to realize the switching function of the photosensitive switch 5, and infrared light emitted by the infrared lamp 6 can be emitted by the transparent cover to realize the function of the indicating lamp of the infrared lamp 6.

In an example, in order to ensure that the front and the back of the circuit board 2 can be covered by sealant, the waterproof level of the circuit board 2 is improved, in one possible manner, the bottom of the sealant box 1 is provided with a supporting component 12, and the circuit board 2 is detachably arranged on the supporting component 12 by adopting one or more manners of clamping, inserting, connecting pieces or bonding, so that sealant filling areas are formed between the front, the back and the periphery of the circuit board 2 and the sealant box 1, and the circuit board 2 is fully wrapped by sealant in the sealant box 1 under the state of filling sealant, thereby effectively preventing water vapor from entering the circuit board 2 to affect the service life of the circuit board 2.

In some embodiments, as shown in fig. 2 and 3, the controller assembly further includes a first sealing ring 7, where the first sealing ring 7 is disposed between a lower edge of the first sealing portion 41 and the circuit board 2, so as to achieve a sealed connection between the lower edge of the first sealing portion 41 and the circuit board 2. The first sealing ring 7 is an elastic sealing ring, and has a certain compression amount, when the sealing cover 4 is covered on the circuit board 2, the first sealing ring 7 contacts with the circuit board 2 and is compressed, so as to realize the sealing effect between the first sealing part 41 and the circuit board 2. The first sealing ring 7 may be connected to the lower edge of the first sealing portion 41 by means of a snap fit, a plug fit, a connection, or an adhesive connection. In one implementation manner, as shown in fig. 3, the upper end of the first sealing ring 7 is provided with a groove 71, the lower edge of the first sealing portion 41 is disposed in the groove 71, and the structure of the groove 71 can have sealing effects on the inner side and the outer side of the first sealing portion 41, and meanwhile, assembling and disassembling steps of the first sealing ring 7 and the first sealing portion 41 are simplified.

In other possible manners, the lower edge of the first sealing portion 41 may be integrally provided with an elastic sealing ring, so as to realize sealing connection between the first sealing portion 41 and the circuit board 2. When the sealing cover 4 is covered on the circuit board 2, the elastic sealing ring is contacted with the circuit board 2 and compressed, so that the liquid crystal panel 3 can be effectively sealed.

In some embodiments, as shown in fig. 2 and 3, the sealing cover 4 further includes a second sealing portion 42, the second sealing portion 42 includes a second protection cavity 421, the controller assembly further includes a photosensitive switch 5, the photosensitive switch 5 is disposed on the circuit board 2 and is located in the second protection cavity 421, the second sealing portion 42 is in sealing connection with a surface of the circuit board 2, and in a state of filling sealant in the sealant filling box 1, the second sealing portion 42 blocks the sealant from entering the second protection cavity 421, so as to avoid the photosensitive effect of the photosensitive switch 5 from being affected after the sealant enters the second protection cavity 421.

In an example, as shown in fig. 2 and 3, the controller assembly further includes a second sealing ring 8, where the second sealing ring 8 is disposed in the second protection cavity 421 and surrounds the periphery of the photosensitive switch 5, and in a direction perpendicular to the circuit board 2, the height of the second sealing ring 8 is greater than the depth of the second protection cavity 421, and when the sealing cover 4 is covered on the circuit board 2, the second sealing ring 8 contacts with the circuit board 2 and is compressed, so as to achieve the glue isolation effect on the photosensitive switch 5. Under the condition that the sealing cover 4 is a transparent cover, the second sealing part 42 is also transparent, external light can be absorbed into the second protection cavity 421 from the side part of the second sealing part 42, and the second sealing ring 8 is arranged around the photosensitive switch 5 in a surrounding manner so as to only allow the light absorbed from the direction perpendicular to the circuit board 2 to enter the second protection cavity 421 to be sensed by the photosensitive switch 5, so that the interference of the external light to the photosensitive switch 5 can be avoided, the shading effect of the photosensitive switch 5 is realized, and the sensitivity of the photosensitive switch 5 is ensured. In other possible embodiments, the first light shielding layer is provided on the peripheral wall of the second sealing portion 42, and the second seal ring 8 is provided between the lower edge of the second sealing portion 42 and the circuit board 2, thereby achieving the light shielding and glue isolation effects on the photosensitive switch 5.

In some embodiments, as shown in fig. 2 and 3, the controller assembly further includes a third sealing portion 43, the third sealing portion 43 includes a third protection cavity 431, the controller assembly further includes an infrared lamp 6, the infrared lamp 6 is disposed on the circuit board 2 and is located in the third protection cavity 431, the third sealing portion 43 is in sealing connection with a surface of the circuit board 2, and in a state that the sealant is filled in the sealant filling box 1, the third sealing portion 43 blocks the sealant from entering the third protection cavity 431, so as to avoid the influence on the indicator lamp function of the infrared lamp 6 after the sealant enters the third protection cavity 431.

In an example, the controller assembly includes a third sealing ring 9, where the third sealing ring 9 is disposed in the third protection cavity 431 and surrounds the periphery of the infrared lamp 6. In the direction perpendicular to the circuit board 2, the height of the third sealing ring 9 is greater than the depth of the third protection cavity 431, and when the sealing cover 4 covers the circuit board 2, the third sealing ring 9 is in contact with the circuit board 2 and is compressed, so that the glue isolation effect on the infrared lamp 6 is achieved. In the case where the sealing cover 4 is a transparent cover, the third sealing portion 43 is also transparent, and the light emitted from the infrared lamp 6 is emitted from the side portion of the third sealing portion 43 in addition to the top portion of the third sealing portion 43, so that the intensity of the light emitted from the top portion of the third sealing portion 43 is weakened, and the light display effect of the infrared lamp 6 is reduced. Therefore, the third sealing ring 9 is arranged around the infrared lamp 6, so that the light rays of the infrared lamp 6 can be prevented from being emitted from the side part of the third sealing part 43, only the light rays of the infrared lamp 6 are allowed to be emitted from the top part of the third sealing part 43, the intensity of infrared light emitted from the top part of the third sealing part 43 is improved, and the display effect of the external red lamp is improved. In another possible embodiment, the second light shielding layer is provided on the peripheral wall of the third sealing portion 43, and the third seal ring 9 is provided between the lower edge of the third sealing portion 43 and the circuit board 2, thereby realizing the light shielding and glue isolation effects on the infrared lamp 6.

In some embodiments, the sealing cover 4 is detachably connected with the glue-pouring box 1, and the detachable mode can adopt a clamping connection mode, a plugging connection mode or a connecting piece connection mode. In an example, as shown in fig. 2, at least two opposite side walls of the glue filling box 1 are provided with buckling pieces 10, the buckling pieces 10 are in clamping fit with the sealing cover 4, and in a state that the sealing cover 4 is in clamping fit with the buckling pieces 10, the buckling pieces 10 keep a certain pressure on the sealing cover 4, so that the compression state of the first sealing ring 7, the second sealing ring 8 and the third sealing ring 9 can be maintained, and the glue isolation effect of the sealing cover 4 is effectively ensured.

According to an exemplary embodiment (not shown in the drawing of this embodiment), the embodiment provides a water meter, the water meter includes a bottom shell and an upper cover, the upper cover is buckled on the bottom shell, the water meter further includes any one of the controller components provided in the foregoing embodiment, the controller component is disposed in a space enclosed by the bottom shell and the upper cover, and sealant is filled in a glue filling box 1 of the controller component, and the sealant covers and wraps a circuit board 2 and a sealing cover 4, so as to effectively prevent water vapor from entering. In addition, sealing connection between the sealing cover 4 and the circuit board 2 effectively isolates the sealant from entering the space enclosed by the sealing cover 4 and the circuit board 2, and prevents the sealant from entering the sealing cover 4 to influence the functions of the electric devices arranged in the sealing cover 4.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. A controller assembly, the controller assembly comprising:

the top of the glue pouring box is provided with an opening;

the circuit board is transversely arranged in the glue filling box;

2. The controller assembly of claim 1, wherein the sealed enclosure is a transparent enclosure.

3. The controller assembly of claim 1, further comprising a first seal ring disposed between a lower edge of the first seal portion and the circuit board.

4. A controller assembly according to claim 3, wherein the upper end of the first sealing ring is provided with a groove, and the lower edge of the first sealing part is embedded in the groove.

5. The controller assembly of claim 2, wherein the sealing cover further comprises a second sealing portion, the second sealing portion comprises a second protection cavity, the controller assembly further comprises a photosensitive switch, the photosensitive switch is arranged on the circuit board and located in the second protection cavity, the second sealing portion is in sealing connection with the surface of the circuit board, and in a state that the sealant filling box is filled with sealant, the second sealing portion blocks the sealant from entering the second protection cavity.

6. The controller assembly of claim 5, further comprising a second sealing ring disposed in the second protection cavity and surrounding the perimeter of the photosensitive switch, wherein the second sealing ring has a height greater than a depth of the second protection cavity in a direction perpendicular to the circuit board.

7. The controller assembly of claim 2, further comprising a third seal comprising a third protective cavity, the controller assembly further comprising an infrared lamp disposed on the circuit board and positioned within the third protective cavity, the third seal being in sealing connection with a surface of the circuit board, the third seal blocking the sealant from entering the third protective cavity in a state of filling the sealant into the sealant filling box.

8. The controller assembly of claim 7, further comprising a third sealing ring disposed in the third protection cavity and surrounding the peripheral side of the infrared lamp, wherein the height of the third sealing ring is greater than the depth of the third protection cavity in a direction perpendicular to the circuit board.

9. The controller assembly according to any one of claims 1-8, wherein at least two oppositely disposed side walls of the glue-pouring box are provided with snap-in elements, the snap-in elements being snap-fit with the sealing cover;

10. A water meter, the water meter comprising:

the upper cover is buckled on the bottom shell;

The controller assembly of any one of claims 1-9, wherein the controller assembly is disposed in a space enclosed by the upper cover and the bottom shell, and the glue-pouring box of the controller assembly is filled with sealant.