Screen projection display device convenient to move

Abstract

The utility model discloses a projection screen display device convenient to move, which comprises a base, a support and a display screen, wheels are arranged at the lower end of the base, the support is mounted on the base, and the display screen is mounted on the support; the wireless projection screen further comprises a wireless projection screen receiving assembly, a sound player and a power supply structure, the wireless projection screen receiving assembly is in communication connection with the display screen, and the display screen and the sound player are both electrically connected with the power supply structure. According to the utility model, wireless communication connection with intelligent mobile terminals such as a mobile phone and an iPad can be realized through the wireless screen projection receiving assembly, and the playing content of the intelligent mobile terminals such as the mobile phone and the iPad can be projected to a display screen for playing, so that the use scene of the intelligent mobile terminal is expanded, and the applicability of the intelligent mobile terminal is improved. According to the utility model, by arranging the sound player, sound of projection videos or music played by intelligent mobile terminals such as a mobile phone, an iPad and the like can be played, so that the functionality of the utility model is further improved.

Description

Technical Field

[0001] The utility model relates to the field of screen projection display devices, and in particular to a conveniently movable screen projection display device. Background Art

[0002] The conference TVs that are often used in work now are connected to computers through communication lines for screen projection and playback, which is inconvenient to use and needs to be improved. The utility model patent with patent number CN201420676850.9 discloses a mobile multimedia all-in-one machine, including: a main frame, a bracket, a central controller is arranged inside the main frame, a display screen is arranged on the surface, speakers are arranged on both sides, and an electronic scanner is arranged on one side, the central control system is a computer, the display screen is a touch screen, the central controller is connected to the display screen, the speaker, and the electronic scanner, a guide rail is arranged on the back of the main frame, the main frame is connected to the bracket through the guide rail, and the bracket has universal wheels.

[0003] The portable multimedia all-in-one machine provided by the above patent is essentially a portable playback device, which uses a central controller combined with a touch screen, an electronic projector, and a speaker. It has computer functions and does not require a communication line to connect the computer and the display, which is convenient to use. However, it has the following problems: First, it is equipped with an electronic scanner and a central control system, which has a complex structure; second, it cannot project the content of smart mobile terminals such as mobile phones and iPads, which is limited in use and needs further improvement. Utility Model Content

[0004] The purpose of the utility model is to provide a convenient and portable screen projection display device, aiming to improve the problem that the existing movable playback equipment has a complex structure and cannot be used to project and play the content of smart mobile terminals such as mobile phones and iPads, resulting in limited use.

[0005] The utility model is implemented as follows: a conveniently movable screen projection display device includes a base, a bracket and a display screen, wherein wheels are provided at the lower end of the base, the bracket is mounted on the base, and the display screen is mounted on the bracket; the utility model also includes a wireless screen projection receiving component, a sound player and a power supply structure, wherein the wireless screen projection receiving component is communicatively connected to the display screen, and the display screen and the sound player are both electrically connected to the power supply structure.

[0006] Furthermore, the wireless screen projection receiving component is fixedly connected to the display screen, or the wireless screen projection receiving component is detachably connected to the display screen;

[0007] The display screen is also provided with at least one group of audio output interfaces and a HID interface, and the HID interface is used for plugging in a corresponding HID wireless receiver.

[0008] Furthermore, a bracket is provided on the support, and the sound player is a speaker, and the speaker is fixedly arranged on the bracket, or the speaker is detachably mounted on the bracket.

[0009] Furthermore, the bracket is provided with a power plug and a communication line plug, and the speaker is provided with a power plug interface and a communication interface, and the power plug interface and the communication interface correspond to the power plug and the communication line plug one by one; the power supply structure is a power socket arranged at the upper end of the bracket, and the display screen is connected to the power socket; the power plug is connected to the power socket through a connecting wire, and the communication line plug is connected to the display screen through a communication wire; the bracket is a hollow circular tube, and the connecting wire and the communication wire both pass through the bracket; or a wire groove is provided on the bracket, and the connecting wire and the communication wire both pass through the wire groove.

[0010] Furthermore, the power socket includes a power input terminal, and the power input terminal is a power cord or a power adapter interface.

[0011] Furthermore, a rechargeable battery and a first circuit board are arranged in the power socket, the rechargeable battery and the first circuit board are electrically connected, and the rechargeable battery is also electrically connected to the display screen and a power plug arranged on the bracket.

[0012] Furthermore, the first circuit board is electrically connected to a charging connector, the power socket is provided with a charging socket, and the charging connector is located in the charging socket.

[0013] Furthermore, the power supply structure includes a battery arranged in the base, an amplifier board is arranged in the base, the sound player uses a speaker, the speaker is arranged in the base, and there are multiple speakers, each speaker is electrically connected to the power amplifier board, the battery is electrically connected to the display screen, the speaker and the power amplifier board, and the battery supplies power to the display screen, the speaker and the power amplifier board.

[0014] Furthermore, the power supply structure also includes a second circuit board arranged in the base, and the second circuit board is electrically connected to the battery, the display screen, the speaker and the power amplifier board.

[0015] Furthermore, the base is provided with a power socket, and the power socket is electrically connected to the second circuit board.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model is provided with a display screen and a wireless screen projection receiving component which is communicatively connected to the display screen. The wireless screen projection receiving component can realize wireless communication connection with smart mobile terminals such as mobile phones and iPads, and can project the playback content of smart mobile terminals such as mobile phones and iPads onto the display screen for playback, thereby expanding the use scenarios of the utility model and improving the applicability of the utility model.

[0018] 2. The utility model is provided with a sound player. The sound player can use a speaker installed on the bracket or a speaker installed in the base. By setting up the sound player, the sound of the projected video or the music played by smart mobile terminals such as mobile phones and iPads can be played, which further improves the functionality of the utility model.

[0019] 3. The display screen is arranged on the bracket, the bracket is installed on the base, the sound player is arranged on the bracket or the base, and wheels are arranged at the lower end of the base, so that the utility model is easy to move and use, which is very convenient.

[0020] 4. The utility model can also be powered by batteries and can be used in places without sockets, which further improves the applicability of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a front view of Embodiment 1 of the present utility model;

[0022] Figure 2 It is a side view of the display screen connected to the power socket of Example 1 of the utility model;

[0023] Figure 3 It is a structural schematic diagram of a bracket of Embodiment 1 of the present utility model;

[0024] Figure 4 It is a structural schematic diagram of an embodiment of the utility model.

[0025] In the figure: 1. base; 2. bracket; 3. display screen; 4. speaker; 5. wheels; 6. bracket; 61. power plug; 62. communication line plug; 7. power socket; 8. power plug terminal; 10. battery; 11. speaker; 12. power amplifier board; 13. second circuit board. DETAILED DESCRIPTION

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0028] Example 1

[0029] like Figure 1 and Figure 2 As shown, a conveniently movable projection display device includes a base 1, a bracket 2, a display screen 3, a wireless projection receiving component and a speaker 4. The lower end of the base 1 is provided with wheels 5, and the bracket 2 is installed on the base 1. A power socket 7 is provided at the upper end of the bracket 2, and the display screen 3 is connected to the power socket 7. The wireless projection receiving component is communicatively connected to the display screen 3, and the two are connected in the following two ways: one is that the wireless projection receiving component is fixedly connected to the display screen 3, and the other is that the wireless projection receiving component is detachably connected to the display screen 3. A bracket 6 is provided on the bracket 2, and the speaker 4 is provided on the bracket 6. The two are connected in the following two ways: one is that the speaker 4 is fixedly provided on the bracket 6, and the other is that the speaker 4 is detachably installed on the bracket 6. The display screen 3 is also provided with at least one set of audio output interface and HID interface. The HID interface is used to plug in a corresponding HID wireless receiver, and the audio output interface is used for audio output. The HID interface is used to plug in a wireless receiver, such as a HID wireless mouse, a wireless keyboard and other peripheral devices. At the same time, it can also cooperate with the extended HID interface connection and the touch component of the screen display to realize reverse device operation interaction.

[0030] The speaker 4 is a wireless Bluetooth speaker or a wired speaker, and the audio signal connection between the speaker 4 and the display screen 3 is a wireless Bluetooth connection or a wired connection. In this embodiment, the audio transmission between the speaker 4 and the display screen 3 is a wired audio transmission mode.

[0031] like Figure 1-Figure 3As shown, the bracket 6 is provided with a power plug 61 and a communication line plug 62, and the speaker 4 is provided with a power plug interface and a communication interface, and the power plug interface and the communication interface correspond to the power plug 61 and the communication line plug 62 one by one. When the speaker 4 is arranged on the bracket 6, the power plug 61 of the bracket 6 is inserted into the power plug interface of the speaker 4, and the communication line plug 62 of the bracket 6 is inserted into the communication interface of the speaker 4. The power plug 61 is connected to the power socket 7 through a connecting wire, and the communication line plug 62 is connected to the display screen 3 through a communication line. The bracket 2 is a hollow circular tube, and the connecting wires and the communication lines are passed through the bracket 2. Or a wire groove is provided on the bracket 2, and the connecting wires and the communication lines are passed through the wire groove. The power socket 7 includes a power input terminal 8, and the power input terminal 8 is a power plug or a power adapter plug interface.

[0032] In this way, when the power input terminal 8 is a power cord, the plug on the power cord can be inserted into the mains or adapter power socket to complete the power supply of the entire machine. When the power input terminal 8 is a power adapter socket, the adapter power can be quickly plugged in to complete the power supply of the entire machine.

[0033] In addition to the above-mentioned power supply methods, the display screen 3 and the speaker 4 also have another power supply method: power supply through a rechargeable battery such as a lithium battery. Specifically, a rechargeable battery and a first circuit board are provided in the power socket 7, and the rechargeable battery and the first circuit board are electrically connected. The rechargeable battery is electrically connected to the display screen 3 and a power plug 61 provided on the bracket 6. The first circuit board is electrically connected to a charging connector, and a charging socket is provided on the power socket 7. The charging connector is located in the charging socket. By connecting the charging cable to the charging connector and then connecting to a 220V AC power supply through a power adapter, the rechargeable battery can be charged.

[0034] Example 2

[0035] like Figure 4As shown, a conveniently movable projection display device includes a base 1, a bracket 2, a display screen 3, a wireless projection receiving component, a power supply structure and a sound player. The lower end of the base 1 is provided with wheels 5, the bracket 2 is mounted on the base 1, and the display screen 3 is mounted on the upper end of the bracket 2. The power supply structure includes a battery 10 and a second circuit board 13 arranged in the base 1, and a power amplifier board 12 is also arranged in the base 1. The sound player uses a speaker 11, which is also arranged in the base 1, and a plurality of speakers 11 are arranged. Each speaker 11 is electrically connected to the power amplifier board 12, the battery 10 is electrically connected to the second circuit board 13, the battery 10 and the second circuit board 13 are both electrically connected to the display screen 3, the speaker 11 and the power amplifier board 12, and the battery 10 supplies power to the second circuit board 13, the display screen 3, the speaker 11 and the power amplifier board 12. The base 1 is provided with a power socket, which is electrically connected to the second circuit board 13. The power socket is connected to a 220V AC power supply through a power cord, and can supply power to the second circuit board 13, the display screen 3, the speaker 11 and the power amplifier board 12, and can also charge the battery 10.

[0036] In summary, the utility model is provided with a display screen 3 and a wireless screen projection receiving component connected to the display screen 3. The display screen 3 can be set as a normal screen or a touch screen. The wireless screen projection receiving component can realize wireless communication connection with smart mobile terminals such as mobile phones and iPads, and the playback content of smart mobile terminals such as mobile phones and iPads can be projected onto the display screen 3 for playback, which expands the use scenario of the utility model and improves the applicability of the utility model. The utility model is provided with a sound player, and the sound player can use a speaker 4 installed on a bracket 6, or a speaker 11 set in a base 1. By setting the sound player, the sound of the projected video or the music played by smart mobile terminals such as mobile phones and iPads can be played, which further improves the functionality of the utility model. The display screen 3 is set on the bracket 2, the bracket 2 is installed on the base 1, the sound player is set on the bracket 2 or the base 1, and the lower end of the base 1 is provided with wheels 5, so that the utility model is convenient for mobile use and is very convenient. In addition, the utility model can also be powered by a battery 10 and can be used in places without sockets, which further improves the applicability of the utility model.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A portable projection display device, comprising a base (1), a bracket (2) and a display screen (3), characterized in that: The lower end of the base (1) is provided with wheels (5), the bracket (2) is mounted on the base (1), and the display screen (3) is mounted on the bracket (2); it also includes a wireless screen projection receiving component, a sound player and a power supply structure, the wireless screen projection receiving component is communicatively connected to the display screen (3), and the display screen (3) and the sound player are both electrically connected to the power supply structure.

2. The portable projection display device according to claim 1, characterized in that: The wireless screen projection receiving component is fixedly connected to the display screen (3), or the wireless screen projection receiving component is detachably connected to the display screen (3); The display screen (3) is also provided with at least an audio output interface and a HID interface, and the HID interface is used for plugging in a corresponding HID wireless receiver.

3. The portable projection display device according to claim 1, characterized in that: The support (2) is provided with a bracket (6); the sound player is a speaker (4); the speaker (4) is a wireless Bluetooth speaker or a wired speaker; the audio signal connection between the speaker (4) and the display screen (3) is a wireless Bluetooth connection or a wired connection; the speaker (4) is fixedly arranged on the bracket (6), or the speaker (4) is detachably mounted on the bracket (6).

4. The portable projection display device according to claim 3, characterized in that: The bracket (6) is provided with a power plug (61), and the speaker (4) is provided with a power socket, and the power socket corresponds to the power plug (61) one by one; the power supply structure is a power socket (7) provided at the upper end of the bracket (2), and the display screen (3) is connected to the power socket (7); the power plug (61) is connected to the power socket (7) via a connecting wire; the bracket (2) is in the shape of a hollow circular tube, and the connecting wires all pass through the bracket (2); or a wire groove is provided on the bracket (2), and the connecting wires pass through the wire groove.

5. The portable projection display device according to claim 4, characterized in that: The power socket (7) comprises a power input terminal (8), and the power input terminal (8) is a power cord or a power adapter interface.

6. The portable projection display device according to claim 4, characterized in that: The power socket (7) is provided with a rechargeable battery and a first circuit board, the rechargeable battery and the first circuit board are electrically connected, and the rechargeable battery is also electrically connected to the display screen (3) and a power plug (61) provided on the bracket (6).

7. The portable projection display device according to claim 6, characterized in that: The first circuit board is electrically connected to a charging connector, the power socket (7) is provided with a charging socket, and the charging connector is located in the charging socket.

8. The portable projection display device according to claim 1, characterized in that: The power supply structure comprises a storage battery (10) arranged in a base (1), a power amplifier board (12) being arranged in the base (1), a speaker (11) being selected as the sound player, a plurality of speakers (11) being arranged in the base (1), each speaker (11) being electrically connected to the power amplifier board (12), the storage battery (10) being electrically connected to the display screen (3), the speaker (11) and the power amplifier board (12), and the storage battery (10) supplies power to the display screen (3), the speaker (11) and the power amplifier board (12).

9. The portable projection display device according to claim 8, characterized in that: The power supply structure further comprises a second circuit board (13) arranged in the base (1), wherein the second circuit board (13) is electrically connected to the storage battery (10), the display screen (3), the speaker (11) and the power amplifier board (12).

10. The portable projection display device according to claim 9, characterized in that: The base (1) is provided with a power socket, and the power socket is electrically connected to the second circuit board (13).

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