Display module and dish washing machine

Abstract

The utility model relates to a display module and a dish washing machine. The display module comprises a display screen, a shell and a waterproof assembly. A containing cavity used for containing the display screen is formed in the shell, the shell comprises a front end face provided with a display window, the display window is communicated with the containing cavity, and the display screen can be seen through the display window. A containing cavity is formed in the waterproof assembly, the shell is located in the containing cavity, the front end face of the shell is attached to the end face of the containing cavity, the side wall of the shell and the side wall of the waterproof assembly are arranged at intervals to form a waterproof gap, and the waterproof gap is filled with waterproof glue. According to the scheme, the shell and the display screen in the shell are integrally sealed and waterproof through the waterproof glue, and the shell is in a sealed state, so that electronic elements such as the display screen in the shell cannot be in contact with the waterproof glue; the problem that in the prior art, glue is prone to making contact with the display screen and the color film, and consequently the display screen and the color film lose efficacy is solved.

Description

Technical Field

[0001] The present application relates to the technical field of kitchen appliances, and in particular to a display module and a dishwasher. Background Art

[0002] For example, electrical appliances such as dishwashers have a great risk of water leakage. The display module installed in the dishwasher needs a very high waterproof level to achieve normal use of the display module. Existing display modules for dishwashers use a glue filling solution to achieve waterproof performance. It directly fills the glue on the PCB (Printed Circuit Board), which has the following disadvantages: 1. The display module is integrated, and its repair cost is high. Once the components in the display module are damaged, the entire display module can only be replaced; 2. When the PCB board is filled with glue, the glue easily flows along the lines connecting the PCB board to the display screen and the lines connecting the PCB board to the color film, causing the glue to contact the display screen and the color film, thereby increasing the risk of failure of the display screen and the color film. Summary of the invention

[0003] Based on this, it is necessary to provide a display module and a dishwasher to address the problem of poor waterproof performance of the display module of the dishwasher in the prior art.

[0004] A display module, comprising a display screen, a housing and a waterproof component. The housing is provided with a placement cavity for accommodating the display screen, and the housing comprises a front face provided with a display window, the display window is connected to the placement cavity and the display screen is visible through the display window. The waterproof component is provided with a accommodating cavity, the housing is located in the accommodating cavity and the front face is attached to the end face of the accommodating cavity, the side wall of the housing and the side wall of the waterproof component are spaced apart to form a waterproof gap, and the waterproof gap is filled with waterproof glue.

[0005] In one embodiment, the waterproof component includes a baffle and a panel, the panel is provided with a connecting end face connected to the shell and covering the front end face, the baffle is connected to the connecting end face, and the baffles are connected end to end to enclose the panel to form the accommodating cavity, the shell and the baffle are arranged at intervals, and the outer peripheral surfaces of the panel, the baffle and the shell together enclose the waterproof gap.

[0006] In one of the embodiments, the display module further includes a flexible seal, which is connected to the front face and disposed around the display window, and the flexible seal is interference fit with the panel.

[0007] In one of the embodiments, the panel is made of transparent material.

[0008] In one embodiment, the display module further includes a color filter layer, and the color filter layer is located in the placement cavity and is visible through the display window.

[0009] In one of the embodiments, the display module further includes a circuit board, the display screen and the color filter layer are both connected to and controlled by the circuit board, and the circuit board is located inside the placement cavity.

[0010] In one embodiment, the shell has a rear end face disposed opposite to the front end face, the rear end face has a maintenance window, and the shell also includes an inspection plate connected to the rear end face and at least partially embedded in the maintenance window.

[0011] In one of the embodiments, the shell further includes a surface seal, and the surface seal is applied to the connection between the access panel and the shell.

[0012] In one of the embodiments, the inspection panel includes a panel body and a handle connected to the panel body, wherein the handle partially protrudes from a surface of the panel body facing away from the front end surface.

[0013] A dishwasher comprises the display module as described in any one of the above embodiments.

[0014] The display module provided in the above scheme places the display screen inside the shell, and sets a waterproof component on the outside of the shell, and pours waterproof glue into the waterproof gap formed between the waterproof component and the outside of the shell, so that the shell and the display screen inside the shell are sealed and waterproofed as a whole by the waterproof glue. Since the shell is in a sealed state, the electronic components such as the display screen inside the shell cannot contact the waterproof glue, thus avoiding the problem in the prior art that the glue easily contacts the display screen and the color film, thereby causing the display screen and the color film to fail. In addition, in the display module provided in the above scheme, only the waterproof component and the shell contact the waterproof glue. When the display module needs to be repaired, only the waterproof component and the shell need to be scrapped, while the display screen, the color film layer and the circuit board with higher value can be reused, thereby reducing the repair loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the exploded structure of a display module in one embodiment of the present application.

[0016] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure of the display module.

[0017] Figure 3 for Figure 1 Schematic diagram of the structure of the front end surface of the display module.

[0018] Figure 4 for Figure 1 Schematic diagram of the circuit board structure.

[0019] Description of reference numerals:

[0020] 100. display module; 110. display screen; 111. display wiring harness; 120. shell; 121. placement cavity; 122. front end face; 123. display window; 124. rear end face; 125. maintenance window; 126. front; 127. rear; 130. waterproof component; 131. accommodating cavity; 132. waterproof gap; 133. baffle; 134. panel; 1341. connecting end face; 140. waterproof glue; 150. flexible sealing element; 160. color film layer; 161. color film wiring harness; 170. circuit board; 180. inspection panel; 181. board body; 182. handle; 190. surface sealing element. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0022] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0023] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0024] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0025] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0026] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0027] In one embodiment of the present application, a dishwasher is provided, comprising a display module 100 as described in any of the following embodiments, and also comprising an inner tank with a cleaning cavity and an inner body covering the inner tank. Exemplarily, the display module 100 is installed on the top of the door of the dishwasher.

[0028] See also Figure 1 , Figure 1 A schematic diagram of an exploded view of a display module 100 in an embodiment of the present application is shown. A display module 100 provided in an embodiment of the present application is used to display the cleaning status, remaining time, alarm prompts, etc. of a dishwasher.

[0029] like Figure 1 As shown, the display module 100 includes a display screen 110, a housing 120 and a waterproof component 130. The display screen 110 includes a plurality of display units and is used to display content, such as Figure 2As shown, the housing 120 is provided with a placement cavity 121 for accommodating the display screen 110, and the display screen 110 is located inside the accommodating cavity 131. Figure 3 As shown, the housing 120 includes a front face 122 having a display window 123 . The display window 123 is in communication with the placement cavity 121 and the display screen 110 is visible through the display window 123 , so that the user can see the content of the display screen 110 through the display window 123 .

[0030] Combination Figure 1 As shown, the housing 120 includes a front portion 126 and a rear portion 127 that are interlocked, and the front portion 126 is provided with a through opening, so that the side of the front portion 126 facing away from the rear portion 127 and the side facing the rear portion 127 are connected and both are the placement cavity 121. In this embodiment, the display screen 110 is located on the side of the front portion 126 facing away from the rear portion 127 in the placement cavity 121.

[0031] like Figure 1 and Figure 2 As shown, in one embodiment, the display module 100 further includes a color filter layer 160, and color display is achieved by the three-primary color mixing principle of the color filter layer 160. The color filter layer 160 is located in the placement cavity 121 and as shown in FIG. Figure 3 As shown, the color filter layer 160 is visible through the display window 123 . In this embodiment, the color filter layer 160 is located on the side of the front portion 126 of the placement cavity 121 away from the rear portion 127 .

[0032] like Figure 1 and Figure 4 As shown, in one embodiment, the display module 100 further includes a circuit board 170, and the display screen 110 and the color filter layer 160 are both connected to and controlled by the circuit board 170. Figure 3 and Figure 4 As shown, the display screen 110 is connected to the circuit board 170 through the display wiring harness 111, and the color film layer 160 is connected to the circuit board 170 through the color film wiring harness 161. The circuit board 170 is located inside the placement cavity 121, and in the present embodiment, the circuit board 170 is located on the side of the placement cavity 121 facing the rear portion 127. The display wiring harness 111 and the color film wiring harness 161 pass through two non-adjacent openings opened to the front portion 126 and are connected to the circuit board 170.

[0033] like Figure 1 As shown, the waterproof component 130 has a receiving cavity 131 inside. Figure 2As shown, the shell 120 is located in the accommodating cavity 131 and the front end face 122 is attached to the end face of the accommodating cavity 131. The side wall of the shell 120 and the side wall of the waterproof component 130 are spaced apart to form a waterproof gap 132. The waterproof gap 132 is filled with waterproof glue 140. The waterproof glue 140 can be any kind of waterproof sealant. When the waterproof gap 132 is filled with the waterproof glue 140, the waterproof glue 140 wraps the shell 120 to achieve a sealing effect.

[0034] like Figure 2 As shown, in this embodiment, the distance between the waterproof glue 140 and the front end surface 122 is greater than the thickness of the housing 120, so that the housing 120 is completely immersed in the waterproof glue 140, thereby achieving better waterproof and sealing effects. In other embodiments, the height of the waterproof glue 140 can also be set to be higher than each gap, screw hole, etc. of the housing 120 where water vapor may enter.

[0035] like Figure 1 and Figure 2 As shown, in one embodiment, the waterproof component 130 includes a baffle 133 and a panel 134, the panel 134 is provided with a connecting end face 1341 connected to the shell 120 and covering the front end face 122, that is, the front end face 122 is attached to the connecting end face 1341, the baffle 133 is connected to the connecting end face 1341, and the baffle 133 is connected end to end to enclose with the panel 134 to form a accommodating cavity 131 surrounding the shell 120, the shell 120 and the baffle 133 are arranged at intervals, and the panel 134, the baffle 133 and the outer peripheral surface of the shell 120 are jointly enclosed to form a waterproof gap 132 for pouring the waterproof glue 140.

[0036] like Figure 1 and Figure 2 As shown, in one embodiment, the display module 100 further includes a flexible seal 150, which is connected to the front face 122 and is arranged around the display window 123. The flexible seal 150 is interference fit with the panel 134. When the waterproof component 130 and the housing 120 are connected, the flexible seal 150 is compressed, and the connection sealing between the waterproof component 130 and the housing 120 is better. In this embodiment, the flexible seal 150 is foam.

[0037] In one embodiment, the panel 134 is made of a transparent material to prevent the panel 134 from blocking the display screen 110. In this embodiment, the panel 134 is glass. In other embodiments, the panel 134 may also be made of a transparent resin material. In other embodiments, the panel 134 may also be made of a transparent material in the area located at the display window 123, and other areas may be made of other materials. In other embodiments, the panel 134 may also be provided with a through opening located at the display window 123.

[0038] like Figure 1 As shown, in one embodiment, the shell 120 is provided with a rear end face 124 arranged opposite to the front end face 122, and the rear end face 124 is provided with a maintenance window 125. The shell 120 also includes an inspection plate 180, and the inspection plate 180 is connected to the rear end face 124 and is at least partially embedded in the maintenance window 125. When the circuit board 170 needs to be inspected, the inspection plate 180 can be removed to inspect the circuit board 170 inside the shell 120. After the inspection is completed, the inspection plate 180 can be partially embedded in the maintenance window 125 again to achieve rapid rework of the display module 100.

[0039] In one embodiment, the housing 120 further includes a surface seal 190, which is applied to the connection between the access panel 180 and the housing 120, so as to increase the connection strength of the connection between the access panel 180 and the housing 120 through the surface seal 190, and improve the connection sealing performance of the connection between the access panel 180 and the housing 120. In this embodiment, the surface seal 190 is an adhesive tape, and when the waterproof glue 140 is poured, the amount of the waterproof glue 140 located on the rear end surface 124 of the housing 120 is relatively small, and the waterproof glue 140 on the rear end surface 124 can be removed by tearing the adhesive tape.

[0040] When the circuit board 170 needs to be repaired, the surface seal 190 is torn off to expose the gap at the connection between the inspection plate 180 and the shell 120. When the inspection plate 180 is removed, the circuit board 170 inside the shell 120 can be inspected. After the inspection is completed, the inspection plate 180 is partially re-embedded into the maintenance window 125, and a new surface seal 190 is applied, and finally some waterproof glue 140 is added.

[0041] In one embodiment, the inspection panel 180 includes a panel body 181 and a handle 182 connected to the panel body 181 . The handle 182 partially protrudes from the surface of the panel body 181 away from the front end surface 122 , so that the inspection panel 180 can be easily inserted into and removed from the maintenance window 125 .

[0042] The display module 100 provided in the above scheme places the display screen 110 inside the shell 120, and sets a waterproof component 130 outside the shell 120, and fills the waterproof glue 140 into the waterproof gap 132 formed between the waterproof component 130 and the outside of the shell 120, so that the shell 120 and the display screen 110 located inside the shell 120 are sealed and waterproofed as a whole through the waterproof glue 140. Since the shell 120 is in a sealed state, the display screen 110 and other electronic components inside the shell 120 cannot contact the waterproof glue 140, thereby avoiding the problem in the prior art that the glue easily contacts the display screen 110 and the color filter layer 160, thereby causing the display screen 110 and the color filter layer 160 to fail. In the display module 100 provided in the above scheme, only the waterproof component 130 and the shell 120 are in contact with the waterproof glue 140. When the display module 100 needs to be repaired, only the waterproof component 130 and the shell 120 need to be scrapped, and the higher-value display screen 110, color film layer 160 and circuit board 170 can be reused, thereby reducing the repair loss.

[0043] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0044] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A display module, characterized in that: The display module comprises: Display screen; A housing, wherein a placement cavity for accommodating the display screen is provided inside the housing, and the housing includes a front face provided with a display window, wherein the display window is communicated with the placement cavity and the display screen is visible through the display window; The waterproof component has an accommodating cavity inside, the shell is located in the accommodating cavity and the front end face is attached to the end face of the accommodating cavity, the side wall of the shell and the side wall of the waterproof component are spaced apart to form a waterproof gap, and the waterproof gap is filled with waterproof glue.

2. The display module according to claim 1, characterized in that: The waterproof component includes a baffle and a panel, the panel is provided with a connecting end face connected to the shell and covering the front end face, the baffle is connected to the connecting end face, and the baffles are connected end to end to enclose the panel to form the accommodating cavity, the shell and the baffle are arranged at intervals, and the panel, the baffle and the outer peripheral surface of the shell are jointly enclosed to form the waterproof gap.

3. The display module according to claim 2, characterized in that: The display module also includes a flexible seal, which is connected to the front end surface and arranged around the display window. The flexible seal is interference-fitted with the panel.

4. The display module according to claim 2, characterized in that: The panel is made of transparent material.

5. The display module according to claim 1, characterized in that: The display module further includes a color filter layer, which is located in the placement cavity and is visible through the display window.

6. The display module according to claim 5, characterized in that: The display module also includes a circuit board, the display screen and the color filter layer are both connected to and controlled by the circuit board, and the circuit board is located inside the placement cavity.

7. The display module according to claim 1, characterized in that: The shell is provided with a rear end face arranged opposite to the front end face, the rear end face is provided with a maintenance window, and the shell further comprises an inspection plate connected to the rear end face and at least partially embedded in the maintenance window.

8. The display module according to claim 7, characterized in that: The shell further comprises a surface seal, which is applied to the connection between the access panel and the shell.

9. The display module according to claim 7, characterized in that: The inspection plate includes a plate body and a handle connected to the plate body, wherein the handle portion protrudes from a surface of the plate body away from the front end surface.

10. A dishwasher, characterized in that: Comprising a display module as described in any one of claims 1-9.

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