CN215818942U - Waterproof controller - Google Patents

Abstract

The utility model relates to a waterproof controller, which comprises a shell, a connector component, a PCBA board and a waterproof structure, wherein the connector component is arranged on the shell; the shell comprises a shell body and a base, the shell body is detachably arranged on the base and forms an accommodating cavity, an annular spigot groove is formed at the joint of the shell body and the base, a connector mounting opening communicated with the accommodating cavity is formed in the side wall of the shell body, and a limiting groove is formed in the side wall of the connector mounting opening; the PCBA board is fixedly arranged in the accommodating cavity; the connector assembly is arranged on the PCBA and electrically connected with the PCBA, and the connector assembly is arranged corresponding to the connector mounting port; the waterproof structure comprises a first waterproof ring and a second waterproof ring, the first waterproof ring is arranged in the annular spigot groove, the second waterproof ring is arranged in the limiting groove and sleeved outside the connector assembly, and the connector assembly is hermetically connected with the second waterproof ring; the waterproof controller provided by the application is simple in structure and easy to install, and overcomes the defects that the waterproof effect of the controller in the prior art is not good or the installation is complex and the like.

Description

Waterproof controller

Technical Field

The utility model relates to the technical field of waterproof structure design of controllers, in particular to a waterproof controller.

Background

PCBA circuit boards, also known as printed circuit boards, are providers of electronic component and electrical appliance connections, and have been developed for over a hundred years and can be divided into single-sided boards, double-sided boards, four-layer boards, six-layer boards and other multi-layer boards according to the number of layers of the circuit boards. At present, because a plurality of core circuit boards are relatively bad in use scenes, particularly products working outdoors work in a rainy environment, the core circuit boards are difficult to avoid being washed by rainwater, in order to prevent moisture from entering the inside of a shell and causing short circuit and influencing the normal work of the products, waterproof design is needed at the moment, under the condition that a plurality of products on the market are not provided with waterproof design or external connectors, in some specific use scenes, for example, during automatic driving control, a controller needs to be linked with external equipment through the external connectors, and therefore, a controller structure with good waterproof effect needs to be designed.

SUMMERY OF THE UTILITY MODEL

Based on the above description, the present invention provides a waterproof controller to solve the technical problem of poor waterproof effect of the controllers in the prior art.

The technical scheme for solving the technical problems is as follows:

a waterproof controller comprises a shell, a connector assembly, a PCBA board and a waterproof structure;

the shell comprises a shell body and a base, the shell body is detachably mounted on the base and forms an accommodating cavity, an annular spigot groove is formed at the joint of the shell body and the base, a connector mounting opening communicated with the accommodating cavity is formed in the side wall of the shell body, and a limiting groove is formed in the side wall of the connector mounting opening;

the PCBA is fixedly arranged in the accommodating cavity;

the connector component is mounted on the PCBA and electrically connected with the PCBA, and the connector component is arranged corresponding to the connector mounting opening;

the waterproof structure comprises a first waterproof ring and a second waterproof ring, the first waterproof ring is installed in the annular spigot groove, the second waterproof ring is installed in the limiting groove and sleeved outside the connector assembly, and the connector assembly is connected with the second waterproof ring in a sealing mode.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

this application realizes casing and base coupling part's waterproof through the design of first waterproof circle, the design through the waterproof circle of second realizes connector assembly and casing coupling part's waterproof, wherein the positional stability of first waterproof circle can effectively be guaranteed to the annular tang groove, the positional stability of the waterproof circle of second can effectively be guaranteed to the spacing groove, and then ensure that this controller has better water-proof effects, the waterproof controller simple structure that this application provided, the installation is easy, the controller water-proof effects who has solved among the prior art are not good or defect such as the installation is complicated.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, the connector subassembly includes board end connecting piece and line end connecting piece, board end connecting piece fixed mounting in on the PCBA board and with PCBA board electric connection, board end connecting piece orientation the one end in the connector installing port outside is formed with the installation port, line end connecting piece detachable install in the installation port.

Furthermore, a connecting gap is formed at the upper part of the mounting port, and a clamping part clamped with the connecting gap is formed at the upper end of the wire end connecting piece; and two sealing convex ribs which are connected with the outer side wall of the plate end connecting piece in a sealing manner are formed on the inner side wall of the opening of the second waterproof ring.

Furthermore, limiting holes communicated with the inner space of the connector mounting opening are formed in two sides of the plate end connecting piece, limiting parts are formed in two sides of the wire end connecting piece corresponding to the limiting holes, and annular convex ribs are formed on the outer edge of the plate end connecting piece; the opening inside wall of the second waterproof ring is formed with a convex edge groove matched with the annular convex edge, one side of the second waterproof ring corresponding to the accommodating cavity is extended along the outer side wall of the plate end connecting piece to form a tubular extending portion, and the tubular extending portion at least completely wraps the limiting hole.

Further, the waterproof circle of second stack sets up on first waterproof circle, first waterproof circle corresponds the position undercut of connector installing port is formed with the constant head tank, the lower terminal surface of the waterproof circle of second with the constant head tank butt.

Further, still including the debugging connector, still be formed with the debugging installing port on the lateral wall of casing, the opening inboard of debugging installing port is formed with spacing flange, the debugging connector connect in on the PCBA board and with PCBA board electric connection, the debugging connector install in spacing flange is inboard, waterproof construction still seals including the debugging, the sealed lid detachable of debugging install in spacing flange is used for sealing the debugging installing port.

Further, the inboard vertical erection column that is connected with of sealed lid of debugging, the erection column includes boss section and cylinder section, the one end of cylinder section connect in the face of the sealed lid of debugging, boss section coaxial coupling in the other end of cylinder section, the cross-sectional diameter of boss section is along being close to the sealed orientation grow gradually of lid of debugging, be formed with on the spacing flange with the spacing anticreep hole of boss section cooperation.

Furthermore, the outer side wall of the mounting column is provided with a strip-shaped groove along the axis thereof, and two ends of the strip-shaped groove are respectively positioned on the boss section and the cylindrical section.

The utility model discloses a PCBA board, including casing, PCBA board, casing upper end face, the upper end face of casing is formed with a plurality of heat radiation fins, the casing up end corresponds the position of PCBA board is formed with the recess downwards, the casing deviates from one side of recess is pasted and is had heat conduction silica gel.

Drawings

Fig. 1 is a schematic structural view of a waterproof controller according to an embodiment of the present invention;

FIG. 2 is a schematic disassembled view of the structure of FIG. 1;

fig. 3 is a schematic view of an installation structure of the first connector assembly and the second waterproof ring according to the present embodiment;

FIG. 4 is a schematic view of a second waterproof ring of the first connector assembly configuration;

fig. 5 is a schematic structural view of the installation of the second waterproof ring under the structure of the second connector assembly provided in this embodiment;

fig. 6 is a schematic structural diagram of a second connector assembly provided in this embodiment;

FIG. 7 is a schematic view of a second waterproof ring in a second connector assembly configuration;

FIG. 8 is a schematic structural view of a debugging seal cap;

fig. 9 is a back structure diagram of the housing.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a housing; 2. a connector assembly; 3. PCBA board; 4. a waterproof structure; 5. debugging the connector; 11. a housing; 12. a base; 11a, an annular stop groove; 11b, a connector mounting port; 11c, a limiting groove; 11d, debugging a mounting port; 111. limiting and blocking edges; 112. heat dissipation fins; 21. a plate end connector; 22. a wire end connector; 21a, an installation port; 21b, connecting gaps; 21c, a limiting hole; 211. an annular rib; 221. a clamping part; 222. a limiting part; 41. a first waterproof ring; 42. a second waterproof ring; 41a, a positioning groove; 42a, convex edge grooves; 421. sealing the convex ribs; 422. a tubular extension; 43. debugging a sealing cover; 441. a boss section; 442. a cylindrical section;

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that spatial relationship terms, such as "under", "below", "beneath", "below", "over", "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. It will be understood that the 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 or features described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary terms "under" and "under" can encompass both an orientation of above and below. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. The "connection" in the following embodiments is understood as "electrical connection", "communication connection", or the like if the connected circuits, modules, units, or the like have electrical signals or data transmission therebetween.

As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

As shown in fig. 1 and 2 in combination with fig. 9, the present embodiment provides a waterproof controller including a housing 1, a connector assembly 2, a PCBA board 3, and a waterproof structure 4.

The housing 1 includes a housing 11 and a base 12, the housing 11 is detachably mounted on the base 12 and forms an accommodating cavity, an annular stop groove 11a is formed at a joint of the housing 11 and the base 12, a connector mounting opening 11b communicated with the accommodating cavity is formed on a side wall of the housing 11, a limiting groove 11c is formed on a side wall of the connector mounting opening 11b, and specifically, in some embodiments, the housing 11 and the base 12 are fixedly connected through six screws.

Inside the holding chamber, in some embodiments, PCBA board 3's mounting means does, at first with the casing 11 back down, and casing 11 is inside to be provided with the location muscle, has the constant head tank on the PCBA board 3, and the mounted position of PCBA board 3 is guaranteed through the cooperation of location muscle and constant head tank to be accurate, prevents the dislocation, then fixes PCBA board 3 on casing 11's screw post through the hexagonal screw post.

It can be understood that the number of the PCBA boards 3 is not fixed in the present application, for example, in the present embodiment, the PCBA boards 3 are two, the two PCBA boards 3 are arranged oppositely up and down, and the middle of the PCBA boards is fixedly supported by the hexagonal screw posts.

The connector component 2 is installed on the PCBA board 3 and is electrically connected with the PCBA board 3, and the connector component 2 is arranged corresponding to the connector installing opening 11 b.

The waterproof structure 4 includes a first waterproof ring 41 and a second waterproof ring 42, the first waterproof ring 41 is installed in the annular spigot groove 11a, the second waterproof ring 42 is installed in the limiting groove 11c and sleeved outside the connector assembly 2, and the connector assembly 2 is hermetically connected with the second waterproof ring 42.

As will be understood by those skilled in the art, the waterproof sealing ring structure is generally made of a soft material with an elastic structure, such as silicone or rubber, and in the present embodiment, the first waterproof ring 41 and the second waterproof ring 42 are made of silicone.

In the embodiment of the present application, the connector assembly 2 includes a board end connector 21 and a wire end connector 22, the board end connector 21 is fixedly mounted on the PCBA board 3 and electrically connected to the PCBA board 3, an installation port 21a is formed at an end of the board end connector 21 facing the outside of the connector installation port 11b, and the wire end connector 22 is detachably mounted to the installation port 21 a.

As a specific structure of the connector assembly 2, in some embodiments, as shown in fig. 3 and 4, the detachable mounting of the wire end connector 22 to the mounting port 21a is embodied as: a connection notch 21b is formed at the upper part of the installation port 21a, and a clamping part 221 clamped with the connection notch 21b is formed at the upper end of the wire end connecting piece 22; with this structure, the opening inner side wall of the second waterproof ring 42 is formed with two sealing ribs 421 that are sealingly connected with the outer side wall of the board end connecting member 21.

The matching part of the second waterproof ring 42 and the plate end connecting piece 21 is designed with two sealing ribs 421, so that a good waterproof effect can be achieved by prepressing the sealing ribs 421.

As another specific structure of the connector assembly 2, in some embodiments, as shown in fig. 5 to 7, limiting holes 21c communicating with the inner space of the connector mounting opening 11b are formed at both sides of the board end connector 21, limiting portions 222 are formed at both sides of the wire end connector 22 corresponding to the limiting holes 21c, and an annular convex rib 211 is formed at the outer edge of the board end connector 21; the inner side wall of the opening of the second waterproof ring 42 is formed with a rib groove 42a matching with the annular rib 211, one side of the corresponding accommodating cavity of the second waterproof ring 42 extends along the outer side wall of the board end connector 21 to form a tubular extension part 422, and the tubular extension part 422 at least completely wraps the limiting hole 21 c.

The position of the limiting hole 21c is completely wrapped by the tubular extension part 422, so that the waterproof effect of the limiting hole 21c is ensured.

It will be appreciated that in actual use, the connector modules 2 of the two configurations described above may be present on a single waterproof controller alone or in combination, for example in a preferred embodiment of the present application, the connector modules 2 of the two configurations being located side-by-side on the same side of a waterproof controller.

In order to ensure the waterproof effect, the second waterproof ring 42 is superposed on the first waterproof ring 41, a positioning groove 41a is formed in the position of the first waterproof ring 41 corresponding to the connector mounting opening 11b, and the lower end surface of the second waterproof ring 42 abuts against the positioning groove 41 a.

In a preferred embodiment of the present application, as shown in fig. 8, the waterproof controller further includes a debugging connector 5, a debugging mounting opening 11d is further formed on a side wall of the housing 11, a limiting rib 111 is formed inside an opening of the debugging mounting opening 11d, the debugging connector 5 is connected to the PCBA board 3 and electrically connected to the PCBA board 3, the debugging connector 5 is mounted inside the limiting rib 111, the waterproof structure 4 further includes a debugging sealing cover 43, and the debugging sealing cover 43 is detachably mounted on the limiting rib 111 and used for sealing the debugging mounting opening 11 d.

In this embodiment, the debugging sealing cover 43 is detachably mounted on the limiting flange 111 specifically as follows: the inboard vertical connection of the sealed lid 43 of debugging has erection column 44, erection column 44 includes boss section 441 and cylinder section 442, and the one end of cylinder section 442 is connected in the face of the sealed lid 43 of debugging, and boss section 441 coaxial coupling is in the other end of cylinder section 442, and the cross-sectional diameter of boss section 441 is along the orientation grow gradually that is close to the sealed lid 43 of debugging, is formed with on the spacing flange 111 with the spacing anticreep hole of boss section 441 cooperation.

The structural design of erection column 44 can effectually prevent to debug sealed lid 43 and product separation when opening, and the effectual losing of avoiding debugging sealed lid 43, the structural design of boss section 441 and cylinder section 442 has realized the effect that easy assembly is difficult for pulling out.

When the debugging sealing cover 43 is installed, the installation column 44 is inserted into the anti-falling hole, the inner side of the limiting flange 111 is in clamping connection with the end with the larger cross section diameter of the boss section 441 to be limited, and the debugging sealing cover 43 is prevented from falling off.

Preferably, in order to reserve a certain deformation space for installing the mounting post 44, a strip groove 44a is formed on the outer side wall of the mounting post 44 along the axis thereof, and two ends of the strip groove 44a are respectively located on the boss section 441 and the cylindrical section 442.

In the preferred embodiment of the present application, a plurality of heat dissipation fins 112 are formed on the upper end surface of the housing 11, a groove is formed downward at a position corresponding to the PCBA board 3 on the upper end surface of the housing 11, and a heat conductive silicone is adhered to a side of the housing 11 away from the groove.

In this embodiment, casing 11 adopts the aluminum alloy material, and is inexpensive in the price, simultaneously can be better satisfy the heat dissipation demand, and heat conduction silica gel can effectually fill the clearance between shells inner wall and the heat-conducting element, promotes the promotion of heat conduction effect.

The waterproof controller that this application embodiment provided, its simple structure, water-proof effects is good, and the installation is easy, and the radiating effect is good, has realized that the sealed lid 43 of debugging easily installs the characteristics that are difficult for droing, very big solution current structure water-proof effects not good or install defects such as complicacy, can extensively apply to in the trade that has higher demand to waterproof grade and heat dissipation, like the autopilot controller.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A waterproof controller is characterized by comprising a shell, a connector component, a PCBA board and a waterproof structure;

the shell comprises a shell body and a base, the shell body is detachably mounted on the base and forms an accommodating cavity, an annular spigot groove is formed at the joint of the shell body and the base, a connector mounting opening communicated with the accommodating cavity is formed in the side wall of the shell body, and a limiting groove is formed in the side wall of the connector mounting opening;

the PCBA is fixedly arranged in the accommodating cavity;

the connector component is mounted on the PCBA and electrically connected with the PCBA, and the connector component is arranged corresponding to the connector mounting opening;

the waterproof structure comprises a first waterproof ring and a second waterproof ring, the first waterproof ring is installed in the annular spigot groove, the second waterproof ring is installed in the limiting groove and sleeved outside the connector assembly, and the connector assembly is connected with the second waterproof ring in a sealing mode.

2. The waterproof controller according to claim 1, wherein the connector assembly includes a board end connector fixedly mounted on the PCBA board and electrically connected thereto, and a wire end connector detachably mounted to the mounting port, the board end connector being formed with a mounting port at an end thereof facing outside the connector mounting port.

3. The waterproof controller according to claim 2, wherein a connection notch is formed at an upper portion of the mounting port, and a catching portion to be caught by the connection notch is formed at an upper end of the wire end connection member; and two sealing convex ribs which are connected with the outer side wall of the plate end connecting piece in a sealing manner are formed on the inner side wall of the opening of the second waterproof ring.

4. The waterproof controller according to claim 2, wherein the both sides of the plate end connector are formed with a stopper hole communicating with the inner space of the connector mounting port, the both sides of the wire end connector are formed with a stopper portion corresponding to the stopper hole, and the outer side edge of the plate end connector is formed with an annular rib; the opening inside wall of the second waterproof ring is formed with a convex edge groove matched with the annular convex edge, one side of the second waterproof ring corresponding to the accommodating cavity is extended along the outer side wall of the plate end connecting piece to form a tubular extending portion, and the tubular extending portion at least completely wraps the limiting hole.

5. The waterproof controller according to claim 1, wherein the second waterproof ring is superposed on the first waterproof ring, a positioning groove is formed in a position of the first waterproof ring corresponding to the connector mounting opening and recessed downward, and a lower end surface of the second waterproof ring abuts against the positioning groove.

6. The waterproof controller according to any one of claims 1 to 5, further comprising a debugging connector, wherein a debugging mounting opening is further formed on the side wall of the housing, a limiting rib is formed inside the opening of the debugging mounting opening, the debugging connector is connected to the PCBA and electrically connected with the PCBA, the debugging connector is mounted inside the limiting rib, and the waterproof structure further comprises a debugging sealing cover which is detachably mounted on the limiting rib and used for sealing the debugging mounting opening.

7. The waterproof controller according to claim 6, wherein the inner side of the debugging sealing cover is vertically connected with a mounting column, the mounting column comprises a boss section and a cylindrical section, one end of the cylindrical section is connected with the plate surface of the debugging sealing cover, the boss section is coaxially connected with the other end of the cylindrical section, the cross-sectional diameter of the boss section is gradually increased along the direction close to the debugging sealing cover, and an anti-dropping hole matched with the boss section for limiting is formed on the limiting flange.

8. The waterproof controller according to claim 7, wherein the outer side wall of the mounting column is formed with a strip-shaped groove along the axis thereof, and both ends of the strip-shaped groove are respectively located at the boss section and the cylindrical section.

9. The waterproof controller according to claim 1, wherein a plurality of heat dissipation fins are formed on the upper end surface of the housing, a groove is formed downwards on the upper end surface of the housing corresponding to the position of the PCBA board, and heat-conducting silica gel is adhered to one side of the housing, which is far away from the groove.

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