WO2023015524A1

WO2023015524A1 - Pc module and interactive tablet

Info

Publication number: WO2023015524A1
Application number: PCT/CN2021/112284
Authority: WO
Inventors: 洪国锋; 邓冰洁; 陈彦熙
Original assignee: 广州视源电子科技股份有限公司
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2023-02-16
Also published as: CN115968520A

Abstract

Embodiments of the present application disclose a PC module and an interactive tablet, the PC module comprising a housing; a PC motherboard, the PC motherboard being located within the housing; a handle, the handle being connected to the housing and exposed outside the housing; and an antenna assembly, the antenna assembly being disposed on the handle and electrically connected to the PC motherboard. In the PC module of the embodiments of the present application, the antenna assembly is disposed on the handle outside the housing of the PC module, and the antenna assembly does not need to be disposed inside the PC module. On the one hand, interference of an electronic component inside the PC module to the antenna assembly is prevented without needing to add a shielding cover; on the other hand, after the PC module is embedded in an electronic device such as an interactive tablet, the handle of the PC module is exposed outside the interactive tablet, the antenna assembly is disposed outside of the interactive tablet, and the antenna assembly does not need to be disposed at the border of the interactive tablet, so that the interactive tablet can achieve a narrow-bezel design or even a bezel-less design.

Description

A PC module and an interactive panel

technical field

The present application relates to the technical field of electronic equipment, in particular to a PC module and an interactive flat panel.

Background technique

In some electronic devices, such as commercial smart interactive panels, or electronic blackboards for teachers and students, antennas need to be provided in order to realize wireless communication functions. For example, communication functions such as WiFi, AP (Wireless Access Point, Access Point), 2G/3G/4G/5G are realized through the antenna.

Most of the antennas in electronic equipment are built-in antennas. The design of the built-in antenna requires a large clearance area, and the shielding cover is required to shield the internal circuit of the electronic equipment from interfering with the antenna. As a result, the built-in antenna occupies a large installation space of the electronic equipment, for example, it will increase the size of the electronic equipment. The frame area of the device; and the built-in antenna is limited by the frame structure and other factors, and the radiation efficiency is also attenuated.

Contents of the invention

The purpose of the embodiments of the present application is to provide a PC module and an interactive panel to solve the problems in the prior art that the antenna is located inside the electronic device and needs to be added shielding measures and affects the appearance design of the interactive panel.

In the first aspect, the embodiment of the present application provides a PC module, including:

chassis;

PC motherboard, the PC motherboard is located in the casing;

a handle, the handle is connected to the casing and exposed outside the casing;

An antenna assembly, the antenna assembly is arranged on the handle and electrically connected to the PC motherboard.

In the second aspect, the embodiment of the present application provides an interactive tablet, the interactive tablet includes a display screen, a back panel, a rear cover, and the PC module described in the first aspect;

The backboard is arranged on the back of the display screen, the back cover is arranged on the side of the backboard facing away from the display screen, and an accommodation cavity is formed between the back cover and the backboard. The PC module is detachably accommodated in the accommodating chamber, and the handle of the PC module is exposed outside the rear cover.

The PC module of the embodiment of the present application includes a casing, a PC motherboard, a handle and an antenna assembly, wherein the PC motherboard is located in the casing, the handle is connected to the casing and exposed outside the casing, and the antenna assembly is arranged on the handle and connected to the PC motherboard For electrical connection, in the embodiment of the present application, the antenna assembly is arranged on the handle outside the casing of the PC module, and there is no need to build the antenna assembly inside the PC module. The radiation effect is good, and there is no need to increase the shielding cover; on the other hand, after the PC module is embedded in electronic devices such as interactive panels, the handle of the PC module is exposed outside the interactive panel, and the antenna components are set outside the interactive panel without setting it on the frame of the interactive panel At this point, the interactive tablet can achieve a narrow bezel or even a bezel-less design.

Description of drawings

The present application will be described in further detail below according to the drawings and embodiments.

Fig. 1 is the schematic diagram of the PC module of the embodiment of the present application;

FIG. 2 is an enlarged schematic view of part A in FIG. 1;

Fig. 3 is one of the schematic diagrams of the interior of the handle in the embodiment of the present application;

Figure 4 is the second schematic diagram of the interior of the handle in the embodiment of the present application;

FIG. 5 is a schematic diagram of an antenna assembly in an embodiment of the present application;

FIG. 6 is a schematic diagram of an antenna assembly in another embodiment of the present application;

FIG. 7 is a schematic diagram of using the handle as an antenna assembly in an embodiment of the present application;

FIG. 8 is a schematic diagram of using the handle as an antenna assembly in another example of the present application;

FIG. 9 is a schematic diagram of the overall structure of the interactive panel in the embodiment of the present application;

Fig. 10 is an enlarged schematic diagram of part B in Fig. 9;

FIG. 11 is a partially exploded schematic diagram of the interactive panel in the embodiment of the present application;

Figure 12 is a schematic diagram of the installation of the PC module and the interactive panel in the embodiment of the present application;

In the picture:

10. Case; 100. PC module; 101. Slide rail; 1011. Buckle; 1012. Button; 20. Handle; 201. First end; 202. Second end; 30. Antenna assembly; 301. Dielectric substrate; 302, the first antenna unit; 3021, the first branch; 3022, the second branch; 3023, the third branch; 3024, the fourth branch; 3025, the fifth branch; 3026, the sixth branch; 3027, the first feeder Electric point; 3028, the first square main body; 3029, the first I-shaped gap; 30210, the first side; 30211, the second side; 30212, the first cutout; 30213, the second ground point; 303, the first Two antenna units; 3031, antenna main body; 3032, first ground point; 3033, second square body; 3034, L-shaped slot; 30341, first slot; 30342, second slot; 3035, second I-shaped slot; 3036 , the third side; 3037, the fourth side; 3038, the second cutout; 3039, the fifth side; 30310, the second feeding point 40, the radio frequency line; 200, the interactive panel; 210, the back plate; 220, Back cover; 230, accommodating cavity; 2301, chute; 23011, card slot.

Detailed ways

In order to make the technical problems solved by the application, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the application will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only the technical solutions of the application. Some, but not all, embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

In the description of this application, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.

In this application, unless otherwise expressly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

Embodiment one

As shown in FIG. 1 and FIG. 2 , a PC module 100 according to the embodiment of the present application includes a casing 10 , a PC motherboard (not shown in the figure), a handle 20 and an antenna assembly 30 .

In this embodiment of the application, the PC module 100 may be a module embedded in an electronic device so that the electronic device has a wireless communication function and has a certain computing capability. For example, the PC module 100 may be a module pre-installed with an operating system, such as The PC module 100 may be a module installed with operating systems such as Windows and IOS, and the PC module 100 may be embedded in electronic devices such as interactive panels and televisions.

The casing 10 of the PC module 100 may refer to the casing of the PC module 100 , and the casing 10 may be used to house electronic components of the PC module 100 , for example, the casing 10 is used to house a PC motherboard of the PC module 100 . In one example, the casing 10 can be a square metal casing, or it can also be a non-metallic casing. The casing 10 can be provided with cooling holes, through holes for exposing various interfaces of the PC motherboard, and for connecting with electronic components. The relevant structure of the device connection, etc.

The PC motherboard can be the main circuit board of the PC module 100. Various electronic components are carried on the PC motherboard. In one example, the PC motherboard carries electronic components such as a radio frequency chip, a processor, a memory stick, a power supply module, and a data interface. . In addition, since the PC module 100 is embedded in an electronic device, the casing 10 of the PC module 100 is usually provided with a handle 20 for the user to grab the PC module 100 when moving the PC module 100. The material of the handle 20 can be metal Or non-metallic, the shape of the handle 20 can be any shape.

Antenna assembly 30 may be a component for radiating and receiving wireless signals in PC module 100. Optionally, antenna assembly 30 may include a monopole antenna, a dipole antenna, etc. Antenna assembly 30 may be a WiFi antenna, an AP antenna, One of 2G, 3G, 4G, 5G antennas.

In the embodiment of the present application, the PC motherboard of the PC module 100 is located inside the casing 10, the handle 20 is mechanically connected to the casing 10 and exposed outside the casing 10, and the antenna assembly 30 is arranged on the handle 20 and connected to the inside of the casing 10. The PC motherboard is electrically connected, specifically, when the handle 20 is a metal handle, the antenna assembly 30 can be arranged on the outer surface of the handle 20, and when the handle 20 is a non-metallic handle, the antenna assembly 30 can be arranged on the outer surface of the handle 20 , can also be arranged inside the handle 20. In addition, when the radio frequency chip is arranged on the PC main board, the antenna assembly 30 can be electrically connected to the radio frequency chip on the PC main board through a radio frequency line, for example, the antenna assembly 30 can be electrically connected to the radio frequency chip on the PC main board through a coaxial line , when the radio frequency chip is arranged on the antenna assembly 30, the antenna assembly 30 can be electrically connected to the PC motherboard through a common data line.

In the PC module 100 of the embodiment of the present application, the antenna assembly 30 is arranged on the handle 20. On the one hand, the antenna assembly 30 is located outside the PC module 100, so that the antenna assembly 30 is not subject to electromagnetic interference from the electronic components inside the PC module 100. Adding a shield, on the other hand, after the PC module 100 is embedded in an electronic device such as an interactive panel, the handle of the PC module 100 is exposed outside the interactive panel, and the antenna assembly 30 is arranged outside the interactive panel, and there is no need to arrange the antenna at the frame of the interactive panel , The interactive tablet can realize a narrow bezel or even a bezel-less design.

Embodiment two

The embodiment of the present application is optimized on the basis of the first embodiment above, as shown in Figure 1, in the embodiment of the present application, the radio frequency chip is arranged on the PC motherboard, and the antenna assembly 30 on the handle 20 can be connected to the casing through the radio frequency line 40 The radio frequency chip on the PC motherboard in 10 is electrically connected, wherein, radio frequency line 40 can be coaxial line, and this coaxial line comprises the ground wire of outer layer and the core wire that is positioned at inner layer, and the ground wire of outer layer can be connected with antenna assembly The ground point of the antenna assembly 30 is connected, and the core wire can be connected to the feeding point of the antenna assembly 30 . In the embodiment of the present application, the radio frequency chip is arranged on the PC motherboard, and the antenna assembly 30 does not need to be arranged on the antenna assembly 30 , which can reduce the volume of the antenna assembly 30 so that the antenna assembly 30 can be installed on the handle 20 .

As shown in Figure 2, in an optional embodiment of the present application, if the material of the handle 20 is metal, the antenna assembly 30 is arranged on the outer surface of the handle 20, for example, the outer surface of the handle 20 is provided with a mounting antenna An installation part of the assembly 30, on which the antenna assembly 30 can be installed. The antenna assembly 30 is installed on the outer surface of the handle 20 made of metal. On the one hand, it can prevent the antenna assembly 30 from being shielded by the handle 20 made of metal. On the other hand, the antenna assembly 30 is arranged outside the handle 20 to have good radiation performance and facilitate Antenna assembly 30 installation and maintenance.

As shown in Figure 2 and Figure 3, in an optional embodiment of the present application, if the material of the handle 20 is non-metallic, the antenna assembly 30 can be arranged on the outside or inside of the handle 20, if the antenna assembly 30 is arranged on a non-metallic The interior of the handle 20 made of material does not affect the radiation performance of the antenna assembly 30, and makes the antenna assembly 30 hidden inside the handle 20, avoiding the problem that the leakage of the antenna assembly 30 affects the appearance of the electronic device, so that the electronic device has a good appearance. And the handle 20 can protect the antenna assembly 30 from being damaged by external impact.

In order to illustrate the connection relationship between the antenna assembly 30 and the handle 20 more clearly, the connection relationship between the antenna assembly 30 and the handle 20 will be described below in conjunction with several types of antenna assemblies 30.

In an example of the present application, the antenna assembly 30 includes a dielectric substrate and an antenna unit located on the dielectric substrate. Specifically, the dielectric substrate can be an FPC substrate or a PCB substrate. When the dielectric substrate is an FPC substrate, the antenna unit can be printed on the FPC substrate to form an FPC antenna assembly. When the dielectric substrate is a PCB substrate, the antenna unit can be printed on the PCB substrate. In order to form a PCB antenna assembly, the number of antenna units may be one or more than one, and the embodiment of the present application does not limit the number of antenna units in the antenna assembly 30 .

When the handle 20 is a metal handle, the above-mentioned FPC antenna assembly or PCB antenna assembly can be arranged on the outer surface of the handle 20, and when the handle 20 is a non-metallic handle, the above-mentioned FPC antenna assembly or PCB antenna assembly can be arranged on the handle 20 The outer surface of the handle or the inside of the handle 20. Specifically, when the antenna assembly 30 is an FPC antenna assembly, the antenna assembly 30 can be glued on the outer surface or inside of the handle 20 by double-sided tape or other glues; Screws, buckles, etc. are detachably connected to the outer surface or inside of the handle 20. Specifically, as shown in FIG. 2 and FIG. The antenna assembly 30 can be fixed on the mounting portion in different ways according to the antenna assembly 30 of different dielectric substrates, wherein the position of the mounting portion can be determined according to the shape of the handle 20 and the radiation direction of the antenna assembly 30 .

The antenna assembly 30 of the embodiment of the present application includes a dielectric substrate, so that the antenna assembly 30 can be connected to the handle 20 through the dielectric substrate. The assembly 30 is disassembled from the handle 20 , and the replacement and maintenance of the antenna assembly 30 are simple and convenient. On the other hand, the antenna assembly 30 is provided with a dielectric substrate, which can improve the radiation performance of the antenna assembly 30 .

In another example of the present application, the antenna assembly 30 is an antenna unit disposed on the handle 20 , that is, the antenna assembly 30 has no dielectric substrate. Exemplarily, the antenna assembly 30 can be an antenna element with a specific shape formed by punching and bending copper sheets, stainless steel sheets, etc. Antenna element presented as a metal layer on top. Wherein, the number of antenna units may be one or more than one, and the embodiment of the present application does not limit the number of antenna units in the antenna assembly 30 .

Taking the antenna assembly 30 as an example of an antenna unit with a specific shape formed by punching and bending copper sheets, stainless steel sheets, etc., when the handle 20 is a metal handle, the antenna unit of the antenna assembly 30 can be arranged on the handle 20 on the outer surface of the handle 20, and the antenna unit is electrically insulated from the handle 20; when the handle 20 is a non-metal handle, the antenna unit of the antenna assembly 30 can be arranged on the outer surface of the handle 20 or inside the handle 20, as shown in Figure 4 It is a schematic diagram of the antenna unit of the antenna assembly 30 disposed inside the handle 20 . Specifically, the outer surface or the inner surface of the handle 20 is provided with a mounting part for fixing the antenna assembly 30, the antenna unit of the antenna assembly 30 is a metal sheet, and the antenna unit can be arranged on the installation surface by means of double-sided tape or other glue bonding. It can also be detachably connected to the mounting part of the handle 20 by means of screws, buckles, etc. The antenna unit of the antenna assembly 30 in the embodiment of the present application is a metal sheet, and the antenna unit in the form of a metal sheet can be directly arranged on the metal handle, that is, the antenna assembly 30 has no dielectric substrate, and the antenna assembly 30 is small in size, so that the antenna assembly 30 can be It is installed on the handle 20, and the antenna unit in the form of a metal sheet can be disassembled from the handle 20, so that the replacement and maintenance of the antenna assembly 30 are simple and convenient.

Taking the antenna assembly 30 as an example, the antenna unit in the form of a metal layer attached to the handle 20 through processes such as laser engraving and electroplating, when the handle 20 is a metal handle, the antenna unit of the antenna assembly 30 can be arranged on the handle 20. On the outer surface, and the antenna unit is electrically insulated from the handle 20, for example, the outer surface of the handle 20 made of metal is provided with an insulating area, and the antenna unit in the form of a metal layer can be formed in the insulating area by laser engraving, electroplating and other processes. When the handle 20 is a non-metallic handle, the antenna unit of the antenna assembly 30 can be arranged on the outer surface of the handle 20 or inside the handle 20. Specifically, a mounting part for fixing the antenna assembly 30 may be provided on the outer or inner surface of the handle 20 made of non-metallic material, and the antenna unit in the form of a metal layer is formed on the mounting part by laser engraving, electroplating and other processes. The antenna assembly 30 of the embodiment of the present application is an antenna unit in the form of a metal layer attached to the handle 20 through processes such as laser engraving and electroplating, that is, the antenna assembly 30 has no dielectric substrate, and the antenna unit of the antenna assembly 30 is attached to the handle 20 The metal layer has a small thickness and can be installed on the handle 20, and can be pre-set on the handle 20 by laser engraving, electroplating and other processes. When the whole machine is assembled, there is no need to assemble the antenna assembly 30, which reduces the process of the whole machine assembly. The production cost of the electronic equipment is reduced.

In order to illustrate the antenna assembly 30 of the embodiment of the present application more clearly, the antenna assembly 30 of the embodiment of the present application is illustrated below with reference to FIG. 5 .

As shown in FIG. 5 , the antenna assembly 30 of the embodiment of the present application includes a first antenna unit 302 and a second antenna unit 303 . In one example, the first antenna unit 302 and the second antenna unit 303 may be directly disposed on the outer surface or the inner surface of the handle 20, and the first antenna unit 302 and the second antenna unit 303 may also be printed on the dielectric substrate 301, Wherein, the dielectric substrate 301 may be an FPC substrate or a PCB substrate.

As shown in FIG. 5 , the first antenna unit 302 includes a first branch 3021 and a second branch 3022 that are vertically connected to each other. The end of the second branch 3022 away from the first branch 3021 is connected to a third branch 3023 . The node 3023 is parallel to the first branch 3021 and located on the same side of the second branch 3022, the end of the third branch 3023 away from the second branch 3022 is connected to the fourth branch 3024, the fourth branch 3024 is parallel to the second branch 3022 and faces The first branch 3021 extends in the direction, and the end of the fourth branch 3024 away from the third branch 3023 is provided with a fifth branch 3025. The fifth branch 3025 is parallel to the fourth branch 3024 and extends toward the second branch 3022. The fourth branch 3024 There is also a sixth branch 3026 on the top. The sixth branch 3026 extends from the fourth branch 3024 to the second branch 3022. The sixth branch 3026 is perpendicular to the fourth branch 3024 and is located between the fifth branch 3025 and the third branch 3023. , the first branch 3021 is also provided with a first feed point 3027, and the first feed point 3027 is connected to the core wire of the coaxial line.

The second antenna unit 303 includes an antenna body 3031 on which a first ground point 3032 is disposed.

FIG. 6 is a schematic diagram of another antenna assembly according to the embodiment of the present application. As shown in FIG. 6 , the antenna assembly 30 of the embodiment of the present application includes a first antenna unit 302 and a second antenna unit 303 .

Specifically, as shown in FIG. 6 , the first antenna unit 302 includes a first square main body 3028, and a first I-shaped slot 3029 is arranged inside the first square main body 3028, and the first I-shaped slot 3029 is connected to the first square main body. The first side 30210 of 3028 is parallel to and arranged close to the first side 30210, and the end of the first I-shaped slit 3029 close to the second side 30211 of the first square body 3028 is connected to the first side through the first cutout 30212 30210, the first square body 3028 is also provided with a second grounding point 30213, the second grounding point 30213 is located at the end of the second side 30211 away from the first side 30210, wherein the first side 30210 and the second side 30211 are two adjacent sides of the first square main body 3028, and the second ground point 30213 is used to connect the ground terminal of the radio frequency line 40, so as to connect with the ground pin of the radio frequency chip through the radio frequency line 40.

The second antenna unit 303 includes a second square main body 3033, an L-shaped slot 3034 and a second I-shaped slot 3035 are arranged inside the second square main body 3033, the first slot 30341 of the L-shaped slot 3034 and the third slot of the second square main body 3033 The side 3036 is parallel to and arranged near the third side 3036, the second slit 30342 of the L-shaped slit 3034 is parallel to the fourth side 3037 of the second square body 3033 and arranged near the fourth side 3037, the third side 3036 and The fourth side 3037 is two adjacent sides of the second square main body 3033, the end of the first slit 30341 away from the second slit 30342 is connected to the third side 3036 through the second cutout 3038, and the second I-shaped slit 3035 is from The fifth side 3039 of the second square main body 3033 extends into the second square main body 3033, the fifth side 3039 is parallel to the third side 3036, and the second square main body 3033 is also provided with a second feeding point 30310, which The second feed point 30310 is used to connect the core wire of the radio frequency line 40, so as to connect with the radio frequency chip on the PC motherboard through the radio frequency line.

The antenna assembly 30 of the embodiment of the present application includes a first antenna unit 302 and a second antenna unit 303, and the antenna assembly 30 can radiate and receive wireless signals such as WiFi, AP, 2G, 3G, 4G, 5G, etc.

It should be noted that, in the embodiment of the present application, the number of antenna assemblies 30 may be one or more than one, and one or more antenna assemblies 30 may be provided on one handle 20, or antennas may be provided on multiple handles 20 Components 30, each antenna component 30 may include one or more than one antenna unit, the embodiment of the present application does not limit the number of antenna components 30, the number and shape of antenna units on the antenna component 30.

As shown in Figure 7, in an optional embodiment of the present application, when the material of the handle 20 is metal, the handle 20 can be used as the antenna unit of the antenna assembly 30, specifically, the handle 20 made of metal includes a first end 201 and the second end 202, the first end 201 and the second end 202 are electrically insulated from the casing 10, for example, an insulating rubber pad is provided between the first end 201 and the second end 202 and the casing 10, wherein the first The end 201 is electrically connected to the radio frequency chip on the PC motherboard through the core wire of the coaxial line, and the second end 202 is grounded through the ground wire of the coaxial line, so that the handle 20 is used as a loop antenna to radiate and receive electromagnetic waves. It should be noted that, when the handle 20 is used as the antenna unit of the antenna assembly 30, the relevant dimensions of the handle 20 can be set according to the requirements of the radiation frequency band, so that one end of the handle 20 is used as a feed end, and the other end is used as a ground end to radiate The frequency band of the wireless signal meets the demand.

As shown in Figure 8, in another optional embodiment, when the material of the handle 20 is metal, the first end 201 of the handle 20 is connected to the radio frequency chip on the PC motherboard through the core wire of the coaxial line, and the handle 20 The second end 202 is suspended in the air, and the ground wire of the coaxial line is directly grounded, so that the handle 20 constitutes a monopole antenna to radiate and receive electromagnetic waves.

In the embodiment of the present application, the handle 20 is used as the antenna unit of the antenna assembly 30, and there is no need to design a separate antenna unit, which not only saves the cost of antenna materials and reduces the installation process of the antenna, but also makes the electronic equipment have a good appearance.

Embodiment Three

The embodiment of the present application provides an interactive tablet, as shown in Figure 9 and Figure 10, the interactive tablet 200 of the embodiment of the present application includes a display screen (not shown in the figure), a back panel 210, a rear cover 220, and Embodiment 1 or The PC module 100 provided by the second embodiment.

Wherein, the back plate 210 is arranged on the back of the display screen, and the rear cover 220 is arranged on the side of the back plate 210 facing away from the display screen, and an accommodation cavity 230 is formed between the back cover 220 and the back plate 210, and the PC module 100 is detachably accommodated. In the receiving cavity 230 , the handle 20 of the PC module 100 is exposed outside the rear cover 220 .

In the interactive panel of the embodiment of the present application, the handle 20 of the PC module 100 is exposed, so that the antenna assembly 30 on the handle 20 is located outside the entire interactive panel 200. On the one hand, the antenna assembly 30 does not need to occupy the internal space of the interactive panel 200. The panel 200 can realize a narrow frame or even a frameless design. On the other hand, the antenna assembly 30 is free from electromagnetic interference from electronic components inside the interactive panel 200 , which improves the radiation performance of the antenna assembly 30 .

As shown in Figures 9-11, the back cover 220 can be a metal back cover, and the PC module 100 is accommodated in the back cover 220 so that the handle 20 is exposed outside the back cover 220, and the inside of the interactive tablet 200 can be shielded on the one hand through the back cover 220 On the other hand, the back cover 220 can protect the PC module 100 from mechanical impact, and prevent the casing of the PC module 100 from being exposed, which has a good appearance.

Of course, the PC module 100 can also be arranged on the back of the display screen and outside the rear cover 220. For example, the PC module 100 is mechanically connected to the back plate 210 on the back of the display screen and is located outside the back cover 220. The installation position of the module 100 on the interactive panel 200 is not limited, as long as the handle 20 of the PC module 100 is exposed to the outside of the interactive panel 200 .

As shown in FIG. 12 , in an optional embodiment of the present application, a sliding slot 2301 is provided in the accommodating cavity 230 , and sliding rails 101 adapted to the sliding slot 2301 are provided on both sides of the casing 10 of the PC module 100 . The PC module 100 is slidably inserted into the accommodating cavity 230 through the cooperation of the sliding rail 101 and the sliding groove 2301 . Specifically, as shown in FIG. 12 , the chute 2301 in the accommodating cavity 230 can be composed of two opposite and parallel sheet metal chute, and the slide rail 101 on the casing 10 of the PC module 100 can be the The two sides, through the cooperation of the sliding groove 2301 and the sliding rail 101, when the PC module 100 is installed on the interactive panel 200, the resistance of the installation can be reduced by sliding and it has a guiding effect, which is convenient for installation and disassembly. After the 100 slides into the accommodating cavity 230 and is in place, the PC module 100 can be locked by screws to prevent the PC module 100 from falling out of the accommodating cavity 230 due to the movement of the interactive panel 200 .

As shown in FIG. 12 , in a preferred embodiment, a buckle 1011 and a button 1012 linked with the buckle 1011 are provided on the slide rail 101 , and a slot 23011 adapted to the buckle 1011 is provided on the chute 2301 . When the PC module 100 is slidably installed into the accommodation cavity 230 through the slide groove 2301 and the slide rail 101, when the PC module 100 is in place, the buckle 1011 is inserted into the card groove 23011 to play a limiting role, preventing the PC module 100 from moving from the interactive panel 200. When disassembling the PC module 100, press the button 1012, the buckle 1011 will withdraw from the slot 23011, and the user can take the PC module 100 out of the receiving cavity 230 through the handle 20. The installation and disassembly are simple and convenient.

The interactive tablet of the embodiment of the present application includes the PC module of the first or second embodiment, the PC module is detachably connected to the interactive tablet, and the handle of the PC module is exposed, so that the antenna assembly on the handle is located outside the interactive tablet. On the one hand, the antenna assembly is not subject to electromagnetic interference from the electronic devices inside the interactive panel, and there is no need to add a shield; Tablets can achieve narrow bezels or even bezel-less designs.

In the description of this specification, descriptions referring to the terms "an embodiment", "example" and the like mean that specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application middle. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

The above describes the technical principles of the present application in conjunction with specific embodiments. These descriptions are only for explaining the principles of the present application, and cannot be construed as limiting the protection scope of the present application in any way. Based on the explanations herein, those skilled in the art can think of other specific implementation manners of the present application without creative efforts, and these manners will fall within the protection scope of the present application.

Claims

A kind of PC module is characterized in that, comprises:

chassis;

PC motherboard, the PC motherboard is located in the casing;

a handle, the handle is connected to the casing and exposed outside the casing;

An antenna assembly, the antenna assembly is arranged on the handle and electrically connected to the PC motherboard.
The PC module according to claim 1, wherein the material of the handle is metal, and the antenna assembly is arranged on the outer surface of the handle.
The PC module according to claim 1, wherein the handle is made of non-metal, and the antenna assembly is arranged inside or outside the handle.
The PC module according to claim 1, wherein the antenna assembly comprises a dielectric substrate and an antenna unit located on the dielectric substrate.
The PC module according to claim 1, wherein the antenna component is an antenna unit arranged on the handle.
The PC module according to claim 5, wherein the antenna unit is a metal layer attached to the handle.
The PC module according to any one of claims 1-6, wherein the antenna assembly comprises a first antenna unit and a second antenna unit;

The first antenna unit includes a first branch and a second branch connected vertically to each other, and an end of the second branch away from the first branch is connected to a third branch, and the third branch is connected to the The first branch is parallel and located on the same side of the second branch, the end of the third branch away from the second branch is connected to a fourth branch, the fourth branch is parallel to the second branch and The first branch extends in the direction, and the end of the fourth branch away from the third branch is provided with a fifth branch, and the fifth branch is parallel to the fourth branch and extends in the direction of the second branch , the fourth branch is also provided with a sixth branch, the sixth branch extends from the fourth branch to the direction of the second branch, the sixth branch is perpendicular to the fourth branch and is located at the Between the fifth branch and the third branch, a first feeding point is also arranged on the first branch;

The second antenna unit includes a square body on which a first grounding point is arranged.
The PC module according to any one of claims 1-6, wherein the antenna assembly comprises a first antenna unit and a second antenna unit,

The first antenna unit includes a first square body, a first I-shaped slot is arranged in the first square body, and the first I-shaped slot is parallel to the first side of the first square body And it is arranged close to the first side, the end of the first I-shaped slit close to the second side of the first square main body communicates with the first side through a first cutout, and the first A grounding point is also provided on the square body, and the grounding point is located at an end of the second side away from the first side;

The second antenna unit includes a second square main body, an L-shaped slit and a second I-shaped slit are arranged in the second square main body, and the first slit of the L-shaped slit is connected to the third of the second square main body. The sides are parallel to and set close to the third side, the second slit of the L-shaped slit is parallel to the fourth side of the second square body and set close to the fourth side, the third side The side and the fourth side are two adjacent sides of the second square main body, and the end of the first slit away from the second slit is connected to the third side through a second cutout, so The second I-shaped slit extends from the fifth side of the second square body into the second square body, the fifth side is parallel to the third side, and on the second square body Feed points are also provided.
The PC module according to claim 1, wherein the handle is made of metal, the handle includes a first end and a second end, and the first end of the handle is electrically connected to the PC motherboard, so The second end of the handle is grounded.
The PC module according to claim 1, wherein the handle is made of metal, the handle includes a first end and a second end, and the first end of the handle is electrically connected to the PC motherboard, so The second end of the handle is suspended in the air.
An interactive flat panel, characterized in that the interactive flat panel includes a display screen, a back panel, a rear cover, and the PC module according to any one of claims 1-10;

The backboard is arranged on the back of the display screen, the back cover is arranged on the side of the backboard facing away from the display screen, and an accommodation cavity is formed between the back cover and the backboard. The PC module is detachably accommodated in the accommodating chamber, and the handle of the PC module is exposed outside the rear cover.
The interactive tablet according to claim 11, wherein a sliding slot is provided in the accommodation chamber on the back cover, and a sliding rail adapted to the sliding slot is provided on the side of the PC module, and the The PC module is slidably inserted into the accommodation chamber through the cooperation of the slide rail and the slide groove.
The interactive tablet according to claim 12, wherein the slide rail is provided with buckles and buttons linked with the buckles, and the chute is provided with buckles adapted to the buckles groove.