CN218300277U

CN218300277U - Display screen module

Info

Publication number: CN218300277U
Application number: CN202221946110.3U
Authority: CN
Inventors: 蔡安; 任小波; 汪江
Original assignee: Wuhan Magmett Electric Co ltd
Current assignee: Wuhan Magmett Electric Co ltd
Priority date: 2022-07-23
Filing date: 2022-07-23
Publication date: 2023-01-13
Anticipated expiration: 2032-07-23

Abstract

The utility model relates to the technical field of liquid crystal display screens, in particular to a display screen module which comprises a metal casing, a panel, a shielding cover and a liquid crystal display screen; the metal shell is grounded and one end of the metal shell is provided with an opening; the panel is arranged at the opening; the shielding cover is arranged on one side of the panel, which is adjacent to the metal shell, and the shielding cover is electrically connected with the metal shell; the liquid crystal display screen is arranged on one side of the panel, which is adjacent to the metal casing, and the liquid crystal display screen is electrically connected with the shielding cover. The utility model discloses the display screen module is through setting up the shield cover, shield cover and liquid crystal display contact to switch on with the metal casing, can reduce the static accumulation on the liquid crystal display with the leading-in metal casing of static on the liquid crystal display, thereby improve the problem that liquid crystal display became invalid, increase of service life reduces use cost.

Description

Display screen module

Technical Field

The utility model relates to a liquid crystal display technical field especially relates to a display screen module.

Background

The monitoring module is used for comprehensively monitoring and controlling the operation of the system, can perform system setting and information inquiry, and can also perform four remote functions of remote measurement, remote control, remote signaling and remote regulation on the system through background monitoring and remote monitoring so as to realize unattended operation. Therefore, the monitoring module is usually equipped with an operation panel and a liquid crystal display, and in order to reduce the risk of electric shock, the operation panel is usually made of an insulating material, such as a plastic panel. However, the requirements of electronic products on electrostatic protection are high, the liquid crystal display screen is particularly sensitive to static electricity, the plastic panel is not conductive, and static electricity cannot be conducted and discharged through the plastic panel, so that the liquid crystal display screen is easy to lose efficacy due to gradual accumulation of static electricity, normal display and operation cannot be performed, and the use of the monitoring module is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a display screen module can be with the leading-in metal casing of the last static of liquid crystal display to improve the problem that liquid crystal display became invalid.

In order to solve the above technical problem, the utility model discloses a technical scheme that embodiment adopted is: the display screen module comprises a metal shell, a panel, a shielding case and a liquid crystal display screen; the metal shell is grounded, and one end of the metal shell is provided with an opening; the panel is arranged at the opening; the shielding cover is arranged on one side of the panel, which is adjacent to the metal shell, and the shielding cover is electrically connected with the metal shell; the liquid crystal display screen is arranged on one side of the panel, which is adjacent to the metal casing, and the liquid crystal display screen is electrically connected with the shielding cover.

In some embodiments, the shield case includes a plate portion and an elastic connection portion, one end of the elastic connection portion is connected to the plate portion, and the elastic connection portion extends in a direction away from the plate portion and is in contact with the metal chassis.

In some embodiments, the plate body portion is integrally formed with the elastic connection portion, and the elastic connection portion is formed by extending and bending one side edge of the plate body portion.

In some embodiments, an end of the elastic connection part is bent toward a direction of a center of the metal chassis.

In some embodiments, the shielding case includes a plate body portion, an edge of the plate body portion extends towards one side of the plate body portion to form an extension portion, the plate body portion and the extension portion enclose a receiving cavity, and the liquid crystal display screen is located in the receiving cavity.

In some embodiments, the extension portion is perpendicular to the plate body portion, and a height of the extension portion in a direction perpendicular to the plate body portion is greater than or equal to a thickness of the liquid crystal display.

In some embodiments, the plate body portion is provided with a first window penetrating through the plate body portion, and the first window is rectangular; the panel is provided with a second window, the second window is rectangular, and the length and the width of the second window are smaller than those of the first window.

In some embodiments, the display screen module further comprises a circuit board, the circuit board is disposed on the panel and located on a side of the liquid crystal display screen departing from the panel, and the circuit board cooperates with the panel to prevent the shielding case and the liquid crystal display screen from separating from the panel.

In some embodiments, the circuit board is provided with a mounting hole, and the panel is provided with a threaded hole corresponding to the mounting hole; the display screen module further comprises a screw, and the screw is used for penetrating through the mounting hole and being fastened in the threaded hole.

In some embodiments, the display screen module further comprises a buffer plate, the buffer plate is arranged between the liquid crystal display screen and the circuit board, and the circuit board applies a force which is close to the shielding case to the liquid crystal display screen through the buffer plate.

Different from the situation of the related art, the display screen module provided by the embodiment of the utility model is provided with the shielding cover, the shielding cover is in contact with the liquid crystal display screen and is communicated with the metal casing, so that the static electricity on the liquid crystal display screen can be led into the metal casing, and the static accumulation on the liquid crystal display screen is reduced, thereby improving the problem of failure of the liquid crystal display screen, prolonging the service life and reducing the use cost; and the metal casing is grounded, so that the static electricity leading-out efficiency can be further improved.

Drawings

Fig. 1 is a schematic structural diagram of a display screen module according to an embodiment of the present invention;

fig. 2 is an exploded view of the display screen module according to the embodiment of the present invention;

FIG. 3 is a schematic view of the structure of the panel of FIG. 2;

FIG. 4 is a schematic view of the metal housing of FIG. 2 in contact with a shield;

FIG. 5 is a schematic view of the shield of FIG. 2;

fig. 6 is a left side view of the shield of fig. 2.

The reference numbers in the detailed description are as follows:

100. a display screen module;

1. a metal housing; 11. an opening;

2. a panel; 21. a threaded hole; 22. a second window;

3. a shield case; 31. a plate body portion; 311. a first window; 32. an extension portion; 33. an elastic connection portion; 331. a first stage; 332. a second stage; 333. a third stage;

4. a liquid crystal display screen;

5. a buffer plate;

6. a circuit board; 61. mounting holes;

7. and (4) screws.

Detailed Description

To facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

In the description of the present invention, it should be noted that the terms "first", "second", etc. are used to define the components, and are only used for the convenience of distinguishing the corresponding components, and if not stated otherwise, the terms do not have special meanings, and therefore, should not be construed as limiting the scope of the present invention. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.

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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In addition, the technical features mentioned in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

In order to solve the above technical problem, as shown in fig. 1 and fig. 2, an embodiment of the present invention provides a display screen module 100, where the display screen module 100 includes a metal casing 1, a panel 2, a shielding cover 3, a liquid crystal display 4, a buffer board 5, a circuit board 6, and screws 7; the metal casing 1 is used for installing the panel 2, so that a complete protective shell is formed to protect internal components; the panel 2 is used for mounting a shielding case 3, a liquid crystal display screen 4, a buffer board 5 and a circuit board 6; the shielding case 3 is used for contacting with the liquid crystal display screen 4 and taking away static electricity on the liquid crystal display screen 4, so that the static electricity accumulation on the liquid crystal display screen 4 is reduced, the problem of failure of the liquid crystal display screen 4 is solved, the service life of the liquid crystal display screen is prolonged, and the use cost is reduced; the liquid crystal display screen 4 is used for displaying and carrying out interactive operation; the buffer board 5 is used for providing thrust for the liquid crystal display 4, so that the liquid crystal display 4 is tightly attached to the shielding case 3; the circuit board 6 is used for being electrically connected with the liquid crystal display 4 and driving the liquid crystal display 4 to work; the screws 7 are used to mount the circuit board 6 to the panel 2.

Next, specific configurations of the metal casing 1, the panel 2, the shield case 3, the liquid crystal display 4, the buffer board 5, and the circuit board 6 will be described in order.

As shown in fig. 1 and 2, the metal housing 1 is rectangular, an opening 11 is formed at one end of the metal housing 1, and the metal housing 1 is grounded through a wire or another conductor to conduct static electricity, so that the efficiency of conducting static electricity from the liquid crystal display 4 can be further improved.

As for the panel 2, as shown in fig. 1 and 2, the panel 2 is mounted to the opening 11; one side of the panel 2 adjacent to the metal shell is provided with a threaded hole 21, and the threaded hole 21 is used for mounting the circuit board 6; the panel 2 is provided with a second window 22, the second window 22 is rectangular, the second window 22 is used for displaying the liquid crystal display 4, and the outline of the second window 22 is smaller than the outline of the shielding case 3, so that the shielding case 3 can be limited on one side of the panel 2 adjacent to the metal casing 1. Optionally, the panel 2 is mounted to the metal casing 1 by means of a snap or fastener. Optionally, the panel 2 is provided with a mounting groove, and the shape and size of the mounting groove are adapted to the shape and size of the shield can 3, so that when the shield can 3 is mounted in the mounting groove, the position of the shield can 3 can be restricted. Optionally, a hook is disposed at an edge of the mounting groove, and the hook can hook an edge of the shielding cover 3 to prevent the shielding cover 3 from separating from the mounting groove.

As for the shielding case 3, as shown in fig. 2 and 4, the shielding case 3 is disposed on one side of the panel 2 adjacent to the metal chassis 1, and the shielding case 3 is electrically connected to the metal chassis 1 to introduce static electricity into the metal chassis 1.

As shown in fig. 5, the shielding case 3 includes a plate portion 31, an extension portion 32, and an elastic connection portion 33, the plate portion 31 is configured to contact a side surface of the liquid crystal display 4 adjacent to the panel 2, and the extension portion 32 is configured to contact an edge of the liquid crystal display 4, so as to sufficiently contact the liquid crystal display 4, thereby improving the efficiency of static electricity discharge; the elastic connection portion 33 is used for electrically connecting the plate portion 31 and the metal chassis 1, so as to achieve conduction with the metal chassis 1. Alternatively, the shielding case 3 may be made of a metal plate by bending a metal plate.

As for the plate body portion 31, as shown in fig. 5, the plate body portion 31 is in the shape of a rectangular parallelepiped sheet, and the length and width of the plate body portion 31 are equal to those of the liquid crystal display panel 4, respectively; the plate body 31 is provided with a first window 311, the first window 311 is rectangular, and the length and width of the first window 311 are both greater than the length and width of the second window 22, so that the panel 2 can completely cover the plate body 31 of the shield cover 3, and the shield cover 3 is not easily exposed from the second window 22.

As for the above-mentioned extension portion 32, as shown in fig. 5, the extension portion 32 is formed by extending the edge of the plate body portion 31 toward one side of the plate body portion 31, and the plate body portion 31 and the extension portion 32 enclose to form an accommodating cavity for accommodating the liquid crystal display 4; the extension part 32 is perpendicular to the plate body part 31, and the length and width of the plate body part 31 are equal to those of the liquid crystal display 4, respectively, the extension part 32 can completely contact the edge part of the liquid crystal display 4, increasing the contact area; the height of the extension part 32 in the direction perpendicular to the plate body part 31 is greater than or equal to the thickness of the liquid crystal display 4, and when the height of the extension part 32 in the direction perpendicular to the plate body part 31 is greater than the thickness of the liquid crystal display 4, the accommodating cavity can also be used for accommodating the buffer plate 5. Alternatively, the plate body 31 and the extension portion 32 are integrally formed, and the extension portion 32 is formed by bending an edge portion of the plate body 31.

As for the elastic connection portion 33, as shown in fig. 5 and 6, one end of the elastic connection portion 33 is connected to the extension portion 32, that is, indirectly connected to the plate portion 31; the other end of the elastic connecting part 33 extends out of the plate part 31 and contacts with the metal casing 1 along the direction parallel to the plate part 31, namely, the elastic connecting part 33 extends in the direction away from the plate part 31; the elastic connecting part 33 pre-presses the metal casing 1, so that the elastic connecting part 33 can be always in contact with the metal casing 1; the terminal orientation of elastic connection portion 33 the direction of metal casing 1 center is crooked, through setting up the bending can be in shield 3 along with panel 2 install in during the metal casing 1, the direction makes elastic connection portion 33 atress is crooked, and the orientation the central direction of metal casing 1 is crooked, can improve elastic connection portion 33 is in the condition of extension, the terminal of elastic connection portion 33 extends to the outside of metal casing 1 hinders the problem of panel 2 installation is convenient for panel 2 with the installation of shield 3 also need not to consider when dismantling shield 3 with the problem of the disconnection between the metal casing 1, promptly elastic connection portion 33 can increase the dismouting convenience of panel 2. Alternatively, the plate portion 31 and the elastic connection portion 33 are integrally formed, and the elastic connection portion 33 is formed by extending and bending one side edge of the plate portion 31.

As shown in fig. 6, the elastic connection portion 33 is bent into three sections, and the first section 331 is connected to the main body portion and forms an acute angle with the plate body portion 31; the second section 332 is connected with the first section 331, and an included angle between the second section 332 and the plate body portion 31 is a right angle; the third section 333 is connected to the second section 332, an included angle between the third section 333 and the second section 332 is an obtuse angle, and the third section 333 and the first section 331 are located on the same side of the second section 332. And the third section 333 has a length greater than that of the first section 331.

To above-mentioned liquid crystal display 4, as shown in fig. 2, liquid crystal display 4 is the slice of cuboid, liquid crystal display 4 set up in panel 2 is close to one side of metal casing 1, and liquid crystal display 4 set up in shield cover 3 the holding intracavity, then liquid crystal display 4 with shield cover 3 is electric is connected, with static leading-in to shield cover 3.

As for the above buffer board 5, as shown in fig. 2, the buffer board 5 is in the shape of a rectangular sheet, and the buffer board 5 is disposed between the liquid crystal display 4 and the circuit board 6, so as to provide pre-pressure for the liquid crystal display 4, enable the liquid crystal display 4 to be tightly attached to the shielding case 3, enable the liquid crystal display 4 to be in close contact with the shielding case 3, improve the problem of shaking of the liquid crystal display 4, have a cushioning effect, reduce the vibration of the liquid crystal display 4, and prolong the service life of the liquid crystal display 4; the buffer plate 5 is rectangular, and the length and width of the buffer plate 5 are greater than or equal to those of the liquid crystal display screen 4.

As for the circuit board 6, as shown in fig. 2, the circuit board 6 is in a shape of a rectangular parallelepiped sheet, the circuit board 6 is provided with a mounting hole 61, and the position of the mounting hole 61 corresponds to the position of the threaded hole 21; the circuit board 6 is mounted on the panel 2 and is positioned on one side of the liquid crystal display 4, which is far away from the panel 2; the screws 7 pass through the mounting holes 61 and are fastened in the threaded holes 21, so that the circuit board 6 is fastened to the panel 2, and a pre-tightening force can be provided to the buffer board 5, so that the buffer board 5, the liquid crystal display 4 and the shield case 3 are fastened to the panel 2, and the shield case 3 and the liquid crystal display 4 are prevented from being separated from the panel 2. The circuit board 6 is also electrically connected with the liquid crystal display 4 to be used for driving the liquid crystal display 4 to work.

The display screen module 100 provided by the embodiment of the utility model is provided with the shielding case 3, the shielding case 3 is in contact with the liquid crystal display screen 4 and is communicated with the metal casing 1, so that static electricity on the liquid crystal display screen 4 can be led into the metal casing 1, and static accumulation on the liquid crystal display screen 4 is reduced, thereby improving the problem that the liquid crystal display screen 4 fails, prolonging the service life and reducing the use cost; by arranging the extension part 32, the contact area with the liquid crystal display screen 4 is increased, and the static electricity leading-out efficiency is improved; by providing the elastic connection portion 33, the shield cover 3 can be electrically connected to the metal case 1 without affecting the convenience of mounting and dismounting the panel 2 and the shield cover 3; through setting up circuit board 6 and buffer board 5, can with liquid crystal display 4 with shield cover 3 press in panel 2 realizes stable installation, and buffer board 5 can also reduce liquid crystal display 4's vibration, extension liquid crystal display 4's life.

It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a display screen module which characterized in that includes:

the metal shell is grounded, and one end of the metal shell is provided with an opening;

a panel disposed at the opening;

the shielding cover is arranged on one side, close to the metal shell, of the panel and is electrically connected with the metal shell; and

the liquid crystal display screen is arranged on one side, close to the metal casing, of the panel, and the liquid crystal display screen is electrically connected with the shielding cover.

2. The display screen module of claim 1, wherein the shield comprises a plate portion and a resilient connecting portion, one end of the resilient connecting portion is connected to the plate portion, and the resilient connecting portion extends away from the plate portion and contacts the metal chassis.

3. The display screen module of claim 2, wherein the plate body and the elastic connecting portion are integrally formed, and the elastic connecting portion is formed by extending and bending one side edge of the plate body.

4. The display screen module of claim 3, wherein the ends of the elastic connecting portions are bent toward the center of the metal housing.

5. The display screen module of claim 1, wherein the shielding cover comprises a plate body portion, an edge of the plate body portion extends towards one side of the plate body portion to form an extension portion, the plate body portion and the extension portion are enclosed to form an accommodating cavity, and the liquid crystal display screen is located in the accommodating cavity.

6. The display screen module of claim 5, wherein the extension portion is perpendicular to the plate body portion, and a height of the extension portion in a direction perpendicular to the plate body portion is greater than or equal to a thickness of the liquid crystal display screen.

7. The display screen module of claim 4, wherein the plate portion defines a first window therethrough, and the first window is rectangular; the panel is provided with a second window, the second window is rectangular, and the length and the width of the second window are smaller than those of the first window.

8. The display screen module of any one of claims 1-7, further comprising a circuit board disposed on the panel and located on a side of the liquid crystal display screen facing away from the panel, wherein the circuit board cooperates with the panel to prevent the shielding case and the liquid crystal display screen from separating from the panel.

9. The display screen module of claim 8, wherein the circuit board is provided with mounting holes, and the panel is provided with threaded holes corresponding to the mounting holes; the display screen module further comprises a screw, and the screw is used for penetrating through the mounting hole and being fastened in the threaded hole.

10. The display screen module of claim 8, further comprising a buffer plate disposed between the liquid crystal display screen and the circuit board, wherein the circuit board applies a force to the liquid crystal display screen against the shielding case through the buffer plate.