CN218416998U

CN218416998U - Waterproof device applied to frame controller

Info

Publication number: CN218416998U
Application number: CN202222693334.4U
Authority: CN
Inventors: 李康; 尚云辉
Original assignee: Shanghai Yimeng Electric Automatism Technology Co ltd
Current assignee: Shanghai Yimeng Electric Automatism Technology Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-01-31
Anticipated expiration: 2032-10-13

Abstract

The utility model relates to a be applied to frame controller's watertight fittings for the LCD display module of protection setting on PCB assembly board prevents that LCD display module from intaking, and LCD display module includes the LCD display screen, is equipped with one or more button on the PCB assembly board, and the device includes: the waterproof shell of no end is equipped with the opening that matches with LCD display screen size on the PCB assembly board, and waterproof shell setting is connected at the opening part and with the PCB assembly board, and LCD display module is located waterproof shell and matches with waterproof shell, and LCD display screen matches with the opening, and it has waterproof glue to fill at LCD display screen and open-ended contact site to form airtight space between PCB assembly board and waterproof shell. Compared with the prior art, the utility model discloses when realizing the waterproof function of frame circuit breaker's LCD display screen module, solved the influence of product shell deformation and PCB equipment board precision error to button height.

Description

Waterproof device applied to frame controller

Technical Field

The utility model belongs to the technical field of the product structure and installation technique and specifically relates to a be applied to frame controller's watertight fittings is related to.

Background

Most of the display LCD screen module and the control keys of the existing frame controller are separately arranged, and the LCD screen module and the control keys are respectively fixed on the main electronic component board through auxiliary parts such as pin headers, sockets, support columns and the like. In the production and manufacturing process, the positioning and height dimensions of the display module and the key sheet are difficult to ensure, and the waterproof and positioning structure design is not carried out for the display LCD liquid crystal module. Because all support and the rigid connection through contact pin, socket and copper post etc. between a plurality of electronic component boards, the shell warp slightly and will lead to the PCB board to assemble the high error in actual production, and same model product uses multiple specification button to bring the difficulty for manufacturing in actual installation, and LCD liquid crystal module and shell have very big clearance simultaneously, lead to aqueous vapor edgewise entering LCD liquid crystal module, make liquid crystal appear not showing, not clear, a great deal of phenomena such as colored screen.

In summary, the conventional frame controller has the following disadvantages:

(1) The design of a waterproof and positioning structure for the LCD liquid crystal module is lacked, liquid easily enters through a gap between the LCD liquid crystal module and the shell, and the liquid crystal has various phenomena of non-display, unclear, screen-splash and the like;

(2) The LCD liquid crystal module and the key board are mainly fixed on the main electronic component board through the pins, the sockets, the supporting columns and the like, the shell deforms slightly to cause assembly height errors of the PCB board in actual production, and the same type product uses keys with various specifications in actual installation to bring difficulty to production and manufacturing.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a waterproof device applied to a frame controller for achieving the waterproof function of a liquid crystal module, which overcomes the drawbacks of the prior art.

The purpose of the utility model can be realized through the following technical scheme:

the utility model discloses an aspect provides a be applied to frame controller's watertight fittings for the LCD display module of protection setting on PCB subassembly board prevents LCD display module intakes, LCD display module includes the LCD display screen, be equipped with one or more button on the PCB subassembly board, watertight fittings includes: the waterproof shell of no end, be equipped with on the PCB subassembly board with the opening that LCD display screen size matches, waterproof shell sets up the opening part and with the PCB subassembly board is connected, LCD display module is located in the waterproof shell and with the waterproof shell matches, the LCD display screen with the opening matches the LCD display screen with the open-ended contact site is filled there is waterproof glue, thereby PCB subassembly board with form airtight space between the waterproof shell.

As an optimized technical scheme, one or more buckles are arranged on the waterproof shell, clamping grooves matched with the buckles are formed in the PCB assembly board, and the PCB assembly board is connected with the waterproof shell through the buckles and the clamping grooves in a buckling mode.

As the preferred technical scheme, the number of the buckles and the clamping grooves is matched, and the number is 2-10.

As the preferred technical scheme, waterproof glue is filled in the gap between the buckle and the clamping groove.

As a preferable technical scheme, waterproof glue is filled between the inner side of the waterproof shell and the LCD display module.

As a preferred technical scheme, a layer of foam is arranged on the outer surface of one side, close to the PCB assembly board, of the waterproof shell.

As a preferred technical scheme, waterproof paint is brushed on the surface of the PCB assembly board.

As a preferable technical solution, the method further comprises: the product shell, the assembly of PCB subassembly board, LCD display module and waterproof casing is located in the product shell, the product shell with the PCB subassembly board is connected, still set up on the product shell with the trompil that the button matches.

As the preferred technical scheme, one or more groups of screw holes are correspondingly arranged on the product shell and the PCB assembly board and are connected through screws.

As a preferable technical scheme, the number of screw hole pairs is 2-10.

Compared with the prior art, the utility model has the advantages of it is following:

(1) The waterproof shell is arranged on the outer side of the LCD module and connected with the LCD module, an LCD display screen in the LCD module is matched with the PCB assembly board, and waterproof glue is filled at the joint, so that a closed space is formed, the waterproof effect of the LCD module is realized, and meanwhile, the positioning of the LCD module is also realized due to the fact that the size of the waterproof shell is matched with that of the LCD module;

(2) The waterproof shell is connected with the PCB assembly board through a buckle, so that the waterproof shell and the PCB assembly board can be fixed and can be conveniently detached;

(3) The assembly of PCB subassembly board, LCD display module and waterproof casing passes through the product shell inner chamber double-screw bolt and fixes, makes on its accurate installation product shell, and product shell warp and PCB equipment precision error is to the high influence of button to this kind of scheme solution.

Drawings

FIG. 1 is a schematic diagram of an embodiment of a waterproof case mounted on a PCB assembly board;

FIG. 2 is a schematic view showing the waterproof device of the embodiment after the installation,

wherein, 1, PCB assembly board, 2, LCD display module, 201, LCD display screen, 3, waterproof shell, 4, product shell, 5, screw, 6, button.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Example 1

As shown in fig. 1, the structural diagram of the waterproof device applied to the frame controller in this embodiment is a schematic diagram, the waterproof device is used for protecting the LCD display module 2 disposed on the PCB assembly board 1 and preventing the LCD display module 2 from water entering, the LCD display module 2 includes an LCD display screen 201, the PCB assembly board 1 is provided with an opening matched with the LCD display screen 201 in size and one or more buttons 6, and the waterproof device includes: the waterproof shell 3 is in a cap shape and is arranged at the opening and connected with the PCB assembly board 1, the LCD display module 2 is positioned in the waterproof shell 3 and matched with the waterproof shell 3, the LCD display screen 201 is matched with the opening, and waterproof glue is filled at the contact part of the LCD display screen 201 and the opening, so that a closed space is formed between the PCB assembly board 1 and the waterproof shell 3; the product shell 4, the assembly of the PCB assembly board 1, the LCD display module 2 and the waterproof shell 3 are positioned in the product shell 4, the product shell 4 is connected with the PCB assembly board 1, the product shell 4 is also provided with a hole matched with the button 6, and the product shell 4 and the PCB assembly board 1 are correspondingly provided with 6 groups of screw holes and are connected through screws 5.

Be provided with 6 buckles on waterproof case 3, be provided with 6 draw-in grooves that match with the buckle on the PCB subassembly board 1, PCB subassembly board 1 passes through the buckle and the draw-in groove lock realizes being connected with waterproof case 3. Waterproof paint is brushed on the surface of the PCB component board 1.

The LCD display module 2 is fixed on the electronic component board through the self-positioning column and the FPC flat cable. A plastic waterproof shell 3 is newly added, the waterproof shell 3 is tightly matched with the LCD display module 2 on the electronic component board by using a buckle, and the periphery of the waterproof shell is coated with waterproof glue. The waterproof key is also integrated on the PCB component board 1, and the PCB component board 1 is also subjected to waterproof treatment. The PCB assembly board 1 after the assembly processing is positioned and fixed through the studs in the inner cavity of the product shell 4, so that the PCB assembly board is accurately installed on the product shell, the LCD display module 2 of the frame controller is waterproof through the scheme, and the high influence of the deformation of the product shell 4 and the assembly precision error of the PCB assembly board 1 on the key 6 is avoided.

Example 2

Compare with embodiment 1, it has waterproof glue to fill between LCD display module 2 and the waterproof case 3 of this embodiment, and the gap department of the buckle on the waterproof case 3 and the draw-in groove on the PCB assembly board 1 also fills waterproof glue, has further promoted waterproof performance.

During the equipment, LCD display module 2 fixes a position earlier on PCB assembly board 1 through two reference columns of reverse side and FPC flexible flat cable, and the inside bottom surface of waterproof housing 3 and side are scribbled the waterproof glue of one deck, and LCD display module 2 closely cooperates on using six buckles and PCB assembly board 1 with waterproof housing 3 again, and the contact surface with it coats the waterproof glue of round simultaneously, and buckle and draw-in groove gap also fill the waterproof glue. The keys 6 are waterproof keys, and waterproof paint is also brushed on the PCB component board 1.

After the assembly treatment, a layer of 0.3 foam (double faced adhesive tape) is adhered to the surface of the top of the waterproof shell 3 on the PCB assembly board 1 and is accurately fixed on six studs in the inner cavity of the product shell 1 through six pan head self-tapping screws 5.

The embodiment realizes the waterproof function of the LCD display module 2, simultaneously ensures that the LCD display module 2 is very convenient to install and position, and reduces the influence factors of the deformation of the product shell 4 caused by shrinkage and the uncertainty of the assembly precision of the PCB assembly board 1 on the height of the key 6.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a be applied to watertight fittings of frame controller for LCD display module (2) of protection setting on PCB assembly board (1), LCD display module (2) include LCD display screen (201), be equipped with one or more button (6) on PCB assembly board (1), its characterized in that, watertight fittings includes:

waterproof shell (3) of no end, be equipped with on PCB assembly board (1) with the opening that LCD display screen (201) size matches, waterproof shell (3) set up the opening part and with PCB assembly board (1) is connected, LCD display module (2) are located in waterproof shell (3) and with waterproof shell (3) match, LCD display screen (201) with the opening matches LCD display screen (201) with open-ended contact site is filled there is waterproof glue, thereby PCB assembly board (1) with form airtight space between waterproof shell (3).

2. The waterproof device applied to the frame controller according to claim 1, wherein one or more buckles are arranged on the waterproof housing (3), a slot matched with the buckle is arranged on the PCB assembly board (1), and the PCB assembly board (1) is connected with the waterproof housing (3) through buckling of the buckle and the slot.

3. The waterproof device applied to the frame controller as claimed in claim 2, wherein the number of the buckles and the slots is matched, and the number of the buckles and the slots is 2-10.

4. The waterproof device applied to the frame controller according to claim 2, wherein a gap between the buckle and the slot is filled with waterproof glue.

5. The waterproof device applied to the frame controller according to claim 1, wherein a waterproof glue is filled between the inside of the waterproof housing (3) and the LCD display module (2).

6. The waterproof device applied to the frame controller in claim 1, wherein the waterproof housing (3) is provided with a layer of foam on the outer surface of one side close to the PCB assembly board (1).

7. The waterproof device applied to the frame controller according to claim 1, wherein the surface of the PCB assembly board (1) is painted with waterproof paint.

8. The waterproof device applied to the frame controller according to claim 1, further comprising:

product shell (4), the assembly of PCB assembly board (1), LCD display module (2) and waterproof case (3) is located in product shell (4), product shell (4) with PCB assembly board (1) is connected, still set up on product shell (4) with the trompil that button (6) match.

9. The waterproof device applied to the frame controller in claim 8, wherein one or more sets of screw holes are correspondingly formed on the product housing (4) and the PCB assembly board (1) and are connected by screws (5).

10. The waterproof device for frame controller as claimed in claim 9, wherein the number of screw holes is 2-10.