Display screen system and sound box base thereof

Abstract

The utility model discloses a display screen system and a sound box base thereof, the sound box base comprises a sound box and a support, the sound box comprises a box body, a power supply module and a USB plug, the surface of the box body is provided with an accommodating groove for supporting the bottom and the back of a display screen, the power supply module is arranged in the box body, the power supply module is connected with the USB plug, and the USB plug is connected with the support. The box body is provided with a containing groove, the USB plug protrudes out of the bottom of the containing groove and is used for being connected with a USB socket of a display screen, the box body is arranged on the support, and the support is provided with a front backup plate located in front of the containing groove and used for supporting the front portion of the display screen. The support can support the loudspeaker box and the display screen, the display screen is placed on the containing groove, the display screen is combined with the loudspeaker box, voice explanation of commodity introduction and promotion information can be played, and user experience is enhanced. Through the USB plug of the sound box body, a user can directly connect the display screen with the sound box, thereby realizing power supply and / or data transmission, and prolonging the service life of the display screen.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic display boards, in particular to a display screen system and a sound box base thereof. Background Art

[0002] Electronic price tags, also known as electronic shelf labels (ESL), are an innovative retail technology designed to replace traditional paper price tags. It is an electronic display device that integrates information sending and receiving functions and is widely used in supermarkets, convenience stores, drug stores, electrical appliance stores and other places where real-time display of commodity price information is required. Electronic price tags can not only display prices, but also display diversified content such as product information, QR codes, promotional logos, etc., which enhances the market appeal of commodities. It greatly reduces the manpower and time cost of manually replacing paper labels due to price changes or promotional activities, and improves the accuracy and efficiency of price management.

[0003] A Chinese patent application with patent number 201610304126.7 discloses an electronic display board for product information with an advertising display function, including a processing module, a storage module, a display module, and a user action detection module. The storage module, the display module, and the user action detection module are respectively connected to the processing module. The user action detection module is used to sense user actions, the storage module is used to store product information and advertising information, and the processing module is used to switch the product information page displayed on the display module to an advertising information page after detecting a gesture action. The processing module is also used to switch the display module to display the product information page after displaying the advertising information page for a preset time.

[0004] The electronic display board for product information of this patent cannot provide a multimedia experience accompanied by sound, which limits the dimension of information transmission. Utility Model Content

[0005] Therefore, it is necessary to provide a display screen system and a speaker base thereof to solve the problem that the existing electronic display board for commodity information cannot provide a multimedia experience accompanied by sound.

[0006] To achieve the above-mentioned purpose, the present embodiment provides a speaker base, comprising a speaker and a bracket, the speaker comprising a box, a power module and a USB plug, the surface of the box is provided with a receiving groove for supporting the bottom and the back of the display screen, the power module is arranged in the box, the power module is connected to the USB plug, the USB plug protrudes from the bottom of the receiving groove, and is used to be connected to the USB socket of the display screen, the box is arranged on the bracket, and the bracket is provided with a front back plate located in front of the receiving groove, which is used to support the front of the display screen.

[0007] Furthermore, the bottom of the receiving groove is inclined to the horizontal plane, the front back plate is parallel to the side of the receiving groove and inclined to the horizontal plane, and the bottom of the receiving groove is perpendicular to the side of the receiving groove.

[0008] Furthermore, it also includes a first limiting component, and the box body is connected to the display screen through the first limiting component to prevent the display screen from moving in the accommodating groove.

[0009] Furthermore, the first limiting assembly includes a first bolt, the box body is provided with a first through hole for the first bolt to pass through, the bottom of the display screen is provided with a first screw hole adapted to the first bolt, and the first bolt is threadedly connected to the first screw hole.

[0010] Furthermore, it also includes a second limiting component, and the box body is arranged on the bracket through the second limiting component.

[0011] Furthermore, the second limiting assembly includes a second bolt, the bracket is provided with a second through hole for the bolt to pass through, the bottom of the box is provided with a second screw hole adapted to the second bolt, and the second bolt is threadedly connected to the second screw hole.

[0012] Furthermore, it also includes a wireless network module, which is arranged in the box, connected to the USB plug and the power module, and connected to the display screen through the USB plug.

[0013] Furthermore, the USB plug is a Type-C plug.

[0014] To achieve the above-mentioned purpose, the present embodiment further provides a display screen system, comprising a speaker base and a display screen, wherein the speaker base is the speaker base described in any one of the above-mentioned embodiments, and a USB socket adapted to a USB plug is provided at the bottom of the display screen, and when the display screen is placed in the receiving groove, the USB plug is inserted into the USB socket at the bottom of the display screen, and the power module of the speaker supplies power to the display screen through the USB plug and the USB socket.

[0015] Furthermore, the display screen is an electronic price tag, a UnionPay payment display terminal or an electronic conference sign.

[0016] Different from the prior art, the above technical solution has the following beneficial effects:

[0017] The support can support the speaker and the display screen. The display screen is placed on the receiving slot. The display screen combined with the speaker can play product introductions, voice explanations of promotional information, and even interactive audio prompts, which can enhance the customer's sense of participation and experience during the shopping process and create a more immersive shopping environment for customers. Through the USB plug of the speaker box, users can directly connect the display screen to the speaker to achieve power supply and / or data transmission, increase the use time of the display screen, and enrich the use scenarios of the display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional diagram of the speaker base in this embodiment;

[0019] Figure 2 is a stereogram of the speaker in this embodiment;

[0020] Figure 3 is a three-dimensional diagram of the display screen system in this embodiment;

[0021] Figure 4 is a three-dimensional diagram of the display screen in this embodiment;

[0022] Figure 5 is a three-dimensional diagram of the bracket in this embodiment;

[0023] Figure 6 is an exploded view of the first bolt and the display screen in this embodiment;

[0024] Figure 7 It is an exploded view of the second bolt, the speaker box and the bracket in this embodiment.

[0025] Description of reference numerals:

[0026] 1. Speaker;

[0027] 11. box body; 111. receiving groove; 112. side; 113. bottom; 114. opening;

[0028] 12. Wireless network module;

[0029] 13. Speaker module;

[0030] 2. Bracket;

[0031] 21. Front support plate;

[0032] 3. Display screen;

[0033] 4. USB plug;

[0034] 5. USB port;

[0035] 6. The first limit assembly;

[0036] 61. first bolt; 62. first through hole;

[0037] 7. The second limit assembly;

[0038] 71. Second bolt; 72. Second through hole. DETAILED DESCRIPTION

[0039] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0040] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0041] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0042] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that three relationships may exist, for example, A and / or B, which means: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this article generally indicates that the objects before and after are in an "or" logical relationship.

[0043] In the present application, terms such as “first” and “second” are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship of quantity, priority or sequence between these entities or operations.

[0044] Without further limitations, in this application, the words "include", "comprises", "has" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those limited elements, but also other elements not explicitly listed, or also include elements inherent to such process, method or product.

[0045] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than", "less than", "exceed" and the like are understood to exclude the number itself; expressions such as "above", "below", "within" and the like are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise clearly and specifically limited.

[0046] In the description of the embodiments of the present application, space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the referred device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0047] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms such as "install", "connect", "connect", "fix", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For technicians in the technical field to which the present application belongs, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0048] See also Figures 1 to 7 The present embodiment provides a speaker base, including a speaker 1 and a bracket 2. The speaker 1 includes a box body 11, a power module and a USB plug 4. The surface of the box body 11 is provided with a receiving groove 111 for supporting the bottom and back of the display screen 3. The box body 11 is provided with a power module, and the power module is connected to the USB plug 4. The USB plug 4 protrudes from the bottom 113 of the receiving groove 111 and is used to connect to the USB socket 5 of the display screen 3. The box body 11 is arranged on the bracket 2, and the bracket 2 is provided with a front back plate 21 located in front of the receiving groove 111, which is used to support the front of the display screen 3.

[0049] See also Figure 2The material of the box 11 is preferably high-strength plastic or light metal to ensure stability and reduce weight. The box 11 is embedded with a high-quality speaker module 13, as well as necessary power modules, audio processing circuits and power amplifiers.

[0050] See also Figure 1 and Figure 2 The shape of the receiving groove 111 matches the contour of the display screen 3 so that the display screen 3 can be firmly embedded therein. Optionally, a [ shape is formed between the receiving groove 111 and the front back plate 21, the bottom 113 of the receiving groove 111 contacts the bottom of the display screen 3, the side 112 of the receiving groove 111 contacts the back of the display screen 3, the side 112 of the front back plate 21 contacts the front of the display screen 3, and the front of the display screen 3 has a screen for displaying images, which is not blocked by the front back plate 21.

[0051] See also Figure 2 The USB plug 4 protrudes from the bottom 113 of the receiving groove 111, so as to be directly inserted into the USB interface of the display screen 3 to realize the power supply and / or data transmission function. After the speaker 1 is connected to the mains (usually AC, such as 220V or 110V), the AC is converted into DC through the internal power adapter or power module, and the USB plug 4 of the speaker 1 will serve as the power output terminal, or the speaker 1 has a built-in battery for power supply, so there is no need to connect to the mains.

[0052] See also Figure 3 and Figure 4 When the USB port 5 of the display screen 3 is plugged into the USB plug 4 of the speaker 1, the speaker 1 and the display screen 3 will detect the connection and provide power to the display screen 3 via the USB cable. The power module in the display screen 3 will receive and use the power to drive its internal circuit and the display screen 3 itself.

[0053] The support can support the speaker and the display screen. The display screen is placed on the receiving slot. The display screen combined with the speaker can play product introductions, voice explanations of promotional information, and even interactive audio prompts, which can enhance the customer's sense of participation and experience during the shopping process and create a more immersive shopping environment for customers. Through the USB plug of the speaker box, users can directly connect the display screen to the speaker to achieve power supply and / or data transmission, increase the use time of the display screen, and enrich the use scenarios of the display screen.

[0054] See also Figure 3In this embodiment, the display screen 3 is in the shape of a rectangular parallelepiped, the bottom 113 of the receiving groove 111 is inclined to the horizontal plane, the front back plate 21 is parallel to the side 112 of the receiving groove 111 and inclined to the horizontal plane, and the bottom 113 of the receiving groove 111 is perpendicular to the side 112 of the receiving groove 111. When the user installs the display screen 3 on the speaker 1-type base, the weight of the display screen 3 will be evenly distributed on the bottom 113 of the receiving groove 111 and the front back plate 21. Due to the inclined design of the bottom 113 and the front back plate 21, the display screen 3 will naturally form an angle slightly inclined toward the user, and the ideal viewing posture can be achieved without manual adjustment by the user. The inclined design helps to reduce the visual fatigue and neck pressure of the user when viewing the display screen 3.

[0055] See also Figure 5 In this embodiment, the bracket 2 is L-shaped, and the two arms of the bracket 2 extend separately, one arm is placed on a fixed surface (such as a shelf or a table), and the other arm is formed with a front back plate 21 to directly support the device. In particular, the curved part of the L-shape is carefully rounded, which means that the sharp corners that may have existed are designed into smooth curved transitions, which enhances the aesthetic value of the product, and the rounded edges feel better, reducing discomfort during use and enhancing the comfort of user experience.

[0056] See also Figure 1 and Figure 2 In this embodiment, the speaker base further includes a first stopper component 6, through which the box body 11 is connected to the display screen 3, for preventing the display screen 3 from moving in the receiving groove 111. The first stopper component 6 can improve the stability of the display screen 3 on the speaker base, and even under external impact or vibration conditions, it can ensure that the display screen 3 will not easily slide out or shift, thereby ensuring the safety and reliability of use.

[0057] See also Figure 2 and Figure 6 In this embodiment, the first limiting component 6 includes a first bolt 61, the box body 11 is provided with a first through hole 62 for the first bolt 61 to pass through, the bottom of the display screen 3 is provided with a first screw hole adapted to the first bolt 61, and the first bolt 61 is threadedly connected to the first bolt 61. Since the bracket 2 supports the box body 11, the first through hole 62 needs to be exposed at the part of the bracket 2 below the first through hole 62. The first bolt 61 adopts a standard or customized thread specification to ensure sufficient strength and durability. The length and diameter of the first bolt 61 are carefully calculated so that it can firmly pass through the box body 11 and the first through hole 62 preset in the bracket 2, and perfectly match the first screw hole at the bottom of the display screen 3. The back of the display screen 3 is designed with a first screw hole that matches the first bolt 61, and the positions of these screw holes accurately correspond to the layout of the first through holes 62 on the base of the speaker.

[0058] There may be a plurality of first limiting bolts, and each first bolt 61 is matched with a first through hole 62 and a first screw hole. Figure 2 As shown, the two first bolts 61 are arranged side by side on the left and right sides of the USB plug 4, which greatly enhances the fixing strength of the display screen 3 on the speaker base, effectively resists displacement caused by external forces, and is suitable for use in various environmental conditions.

[0059] In some embodiments, the first limit assembly 6 may include one or more pairs of elastic buckles, which are located on the two sides or four corners of the speaker base and precisely dock with the corresponding grooves or protrusions on the back of the display screen 3. Alternatively, it can also be a sliding locking assembly, and the user can activate the locking mechanism by gently pushing a slider to fix the display screen 3 in the receiving groove 111.

[0060] See also Figure 7 In this embodiment, the speaker base further includes a second limiting assembly 7, and the box body 11 is arranged on the bracket 2 through the second limiting assembly 7. The second limiting assembly 7 can effectively prevent the box body 11 from moving or rotating unnecessarily on the bracket 2, thereby improving the stability of the overall structure.

[0061] See also Figure 7 In this embodiment, the second limiting assembly 7 includes a second bolt 71, the bracket 2 is provided with a second through hole 72 for the second bolt 71 to pass through, the bottom of the box body 11 is provided with a second screw hole adapted to the second bolt 71, and the second bolt 71 is threadedly connected to the second screw hole.

[0062] The core of the second limit assembly 7 is one or more second bolts 71, which have standard or specially designed threads to ensure sufficient strength and fit accuracy. The length and diameter of the second bolt 71 are carefully designed to ensure that it can smoothly pass through the second through hole 72 on the bracket 2 and accurately dock with the second screw hole preset at the bottom of the box 11. By rotating the second bolt 71 and utilizing the self-locking principle of the thread, the second bolt 71 is tightly engaged with the second screw hole, thereby achieving a rigid connection between the box 11 and the bracket 2. This method can effectively resist relative movement caused by external forces and ensure the stability and vibration resistance of the speaker base structure.

[0063] See also Figure 1In this embodiment, the speaker base further includes a wireless network module 12, which is disposed in the box body 11. The wireless network module 12 is connected to the USB plug 4 and the power module, and the wireless network module 12 is connected to the display screen 3 through the USB plug 4. The power module provides the necessary power supply for the wireless network module 12 to ensure its continuous operation. The display screen 3 is connected to the speaker base through the USB plug 4, and the wireless network module 12 is connected to the USB plug 4 through an internal line. This means that once the display screen 3 is connected to the speaker base, it can be automatically or manually configured to connect to a local area network or the Internet through the wireless network module 12 without the need for an additional wired connection.

[0064] Optionally, the display screen 3 can be an electronic price tag on the shelf. The wireless network module 12 enables supermarket managers to instantly adjust product prices, promotional information, etc. from the background system. All changes can be quickly reflected on each price tag, avoiding the tedious process of manually replacing traditional price tags one by one, and significantly improving operational efficiency and accuracy.

[0065] Optionally, the display screen 3 can be used as a UnionPay payment display terminal at the checkout counter, and a communication connection is formed with the wireless network module 12 through the supermarket's backend system. The checkout counter display screen 3 receives the latest product information, promotional discounts, and payment methods through the wireless network, which speeds up the checkout process and reduces customer waiting time. At the same time, it transparently displays transaction details to enhance customer trust.

[0066] In this embodiment, a chip is provided inside the display screen 3, which integrates a processor, memory, graphics processing unit, etc., and is responsible for processing display data, controlling screen display, and managing communication with external devices. The chip inside the display screen 3 (such as a control chip or SoC (System on Chip)) will integrate a USB controller, which can decode and encode data packets according to the USB protocol specification, so as to communicate with other devices on the USB bus. When the display screen 3 chip is connected to the wireless network module 12 through its USB port, it can identify the wireless network module 12 as a USB device, and establish a data exchange channel to implement network configuration information, display content update instructions, etc.

[0067] See also Figure 2In this embodiment, a cavity is provided in the box 11, and a wireless network module 12 and a power module are provided in the cavity. An opening 114 is provided on the side wall of the box 11 where the side portion 112 of the accommodating groove 111 is located, and the edge of the opening 114 can support the back of the display screen 3. The area of ​​the opening 114 is large, and after the display screen 3 is removed, the components inside the box 11 can be exposed, allowing maintenance personnel to take and place components such as the wireless network module 12, the power module, and the speaker module 13 for rapid troubleshooting and module replacement. Optionally, a cover plate can be added at the opening 114 to cover the opening 114, and when the display screen 3 is placed in the slot, the cover plate can support the back of the display screen 3.

[0068] In this embodiment, the USB plug 4 on the box 11 is a Type-C plug, and the USB socket 5 of the display screen 3 is a Type-C socket. The Type-C interface has a double-sided pluggable design, regardless of the front and back sides, which improves the convenience of use. The Type-C plug not only supports higher data transmission rates (such as 10Gbps transmission speed under the USB 3.1 standard), but also has stronger power transmission capabilities (up to 100W), which can meet the charging needs of more high-power devices. In addition, it also supports multiple protocols, including DisplayPort, Thunderbolt, etc., expanding the functional potential of the speaker base.

[0069] In some embodiments, the USB plug 4 may also be a Type-A plug, a Type-B plug, a Micro USB plug, etc.

[0070] See also Figures 1 to 7 This embodiment further provides a display screen system, including a speaker base and a display screen 3, wherein the speaker base is the speaker base described in any of the above embodiments, and a USB socket 5 adapted to a USB plug 4 is provided at the bottom of the display screen 3. When the display screen 3 is placed in the receiving groove 111, the USB plug 4 is inserted into the USB socket 5 at the bottom of the display screen 3, and the power module of the speaker 1 supplies power to the display screen 3 through the USB plug 4 and the USB socket 5. The display screen 3 can display high-resolution commodity prices, promotional information, inventory status, or display information such as the amount of payment, transaction details, etc. in a cash register environment.

[0071] In this embodiment, the display screen 3 is an electronic price tag: the display screen 3 installed on the shelf can instantly display the latest price of the product, including regular price, promotional price, discount information, etc. In combination with the inventory management system, the display screen 3 can display the inventory status, such as "inventory is tight" or "new product is on the market", which helps the store to replenish stocks in time and promote sales. This not only avoids the tediousness and possibility of errors in manually replacing paper price tags, but also makes price adjustments more flexible and rapid to adapt to market changes.

[0072] In this embodiment, the display screen 3 is a UnionPay payment display terminal: the display screen 3 installed at the cashier counter as a UnionPay payment display terminal can clearly display the customer's shopping list, total price of goods, discounts and exemptions, actual payment amount and other information, to ensure the transparency of transactions and enhance customer trust. When the customer completes the payment process, the display screen 3 can also push relevant member discounts, points redemption, next shopping coupons and other information to encourage customers to patronize again and increase customer loyalty.

[0073] In this embodiment, the display screen 3 is an electronic conference card. On the conference table or in front of the seat, the traditional paper name card is replaced by the electronic display screen 3. These display screens 3 can set in advance or edit on-site the names, positions, company information and even personal profiles and avatars of the participants, which not only looks more modern, but also facilitates temporary seat adjustments.

[0074] In this embodiment, the chip in the display screen 3 is connected to the processor of the speaker 1 through the USB plug 4 and the USB socket 5, so as to control the speaker 1 to play the background sound of the screen of the display screen 3. Alternatively, the display screen 3 and the speaker 1 form a communication connection through Bluetooth, so that the speaker 1 can play the background sound of the screen of the display screen 3. In some embodiments, the playback of the speaker 1 may not be controlled by the chip of the display screen 3, and the audio data to be played by the speaker 1 may be pre-stored.

[0075] It should be noted that although the above embodiments have been described in this article, this does not limit the scope of patent protection of the utility model. Therefore, based on the innovative concept of the utility model, changes and modifications to the embodiments described in this article, or equivalent structural or equivalent process changes made using the contents of the utility model specification and drawings, directly or indirectly applying the above technical solutions to other related technical fields are all included in the scope of protection of the utility model patent.

Claims

1. A speaker base, characterized in that: The invention comprises a speaker and a bracket, wherein the speaker comprises a box, a power module and a USB plug. The surface of the box is provided with a receiving groove for supporting the bottom and the back of the display screen. The power module is arranged in the box, and the power module is connected with the USB plug. The USB plug protrudes from the bottom of the receiving groove and is used to be connected with the USB socket of the display screen. The box is arranged on the bracket, and the bracket is provided with a front back plate located in front of the receiving groove for supporting the front of the display screen.

2. The speaker base according to claim 1, characterized in that: The bottom of the accommodating groove is inclined to the horizontal plane, the front back plate is parallel to the side of the accommodating groove and inclined to the horizontal plane, and the bottom of the accommodating groove is perpendicular to the side of the accommodating groove.

3. The speaker base according to claim 1, characterized in that: The box also includes a first limiting component, through which the box body is connected to the display screen to prevent the display screen from moving in the receiving groove.

4. The speaker base according to claim 3, characterized in that: The first limiting assembly includes a first bolt, the box body is provided with a first through hole for the first bolt to pass through, the bottom of the display screen is provided with a first screw hole adapted to the first bolt, and the first bolt is threadedly connected to the first screw hole.

5. The speaker base according to claim 1, characterized in that: It also includes a second limiting component, and the box body is arranged on the bracket through the second limiting component.

6. The speaker base according to claim 5, characterized in that: The second limiting assembly includes a second bolt, the bracket is provided with a second through hole for the bolt to pass through, the bottom of the box is provided with a second screw hole adapted to the second bolt, and the second bolt is threadedly connected to the second screw hole.

7. The speaker base according to claim 1, characterized in that: It also includes a wireless network module, which is arranged in the box, connected to the USB plug and the power module, and connected to the display screen through the USB plug.

8. The speaker base according to any one of claims 1 to 7, characterized in that: The USB plug is a Type-C plug.

9. A display screen system, characterized in that: It includes a speaker base and a display screen, wherein the speaker base is the speaker base as described in any one of claims 1 to 8, and a USB socket adapted to a USB plug is provided at the bottom of the display screen. When the display screen is placed in the receiving groove, the USB plug is inserted into the USB socket at the bottom of the display screen, and the power module of the speaker supplies power to the display screen through the USB plug and the USB socket.

10. The display screen system according to claim 9, characterized in that: The display screen is an electronic price tag, a UnionPay payment display terminal or an electronic conference sign.

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