CN205942241U - Portable multi -functional projection arrangement - Google Patents

Abstract

The utility model relates to the field of electronic technology, and discloses a portable multi-functional projection device, which includes a projector and a support base. There is a concave hole on the right side of the support base, which is used for fixing the projector. The supporting base on both sides of the concave hole is symmetrically provided with two threaded through holes, and the projector is fixed by cooperating with two threaded rods. There are grooves and buttons on the top surface of the supporting base, and there are multiple holes on the front of the supporting base. function USB interface, LCD screen and audio equipment, an external power supply interface and a data line opening are arranged on the back of the support base, and the data line opening is used to connect the serial data line of the projector to the outside. The bottom surface is provided with an adsorption magnet for fixing the entire support base, and a control circuit board is provided inside the support base for realizing the functions of the entire device. The utility model solves the detachability problem by utilizing the cooperation of the threaded hole and the threaded rod, enhances the interactive performance through the bluetooth communication module, and is convenient for users to operate.

Description

A portable multifunctional projection device

technical field

The utility model relates to the field of electronic technology, in particular to a portable multifunctional projection device.

Background technique

With the development of science and technology and the improvement of people's living standards, human beings have an increasing demand for smart products, which put forward higher requirements for their intelligence and portability.

Patent No. CN 104730849A discloses a multifunctional projector with a storage box and a multifunctional electronic display. A storage box is mainly installed above the projector, and a multifunctional electronic display is inlaid on the upper right side. The realized function is to use the storage box to store articles and sundries, and to use the multi-functional electronic display to watch time and listen to music.

The storage box of the above-mentioned patent is directly installed on the projector. When there are too many or too large items, it will affect the normal operation of the projector. The so-called multi-functional electronic display mainly displays the time. As for listening to music, the patent does not It is not described in detail, and the projector of this device is not convenient to carry and move, and it is not conducive to disassembly. At the same time, it cannot interact with other smart terminals such as mobile phones and IPADs, which reduces the user's functional experience with the projector. .

Utility model content

In order to solve the problems of poor interactive performance, poor detachability and portability of projectors in the prior art, the utility model provides a portable multifunctional projection device, which solves the problem of detachability and portability by using the cooperation of threaded holes and threaded rods problem, enhanced interactivity through the Bluetooth communication module.

The utility model can be realized through the following technical solutions:

A portable multifunctional projection device, including a projector, and a support base, a concave hole is provided on the right side of the support base for fixing the projector, and the support bases on both sides of the concave hole are symmetrical There are two threaded through holes, and the projector is fixed by cooperating with two threaded rods; an external power supply interface and a data line opening are provided on the back of the support base, and the data line opening is used to connect the projector to the The row data line is connected to the outside; the front of the support base is provided with a multifunctional USB interface; a control circuit board is provided inside the support base, and the control circuit board is provided with a processor and a serial interface. The serial interface is used to connect the projector.

Further, grooves and buttons are provided on the top surface of the support base, the grooves are used for fixing the smart terminal, an LCD screen and an audio device are provided on the front of the support base, and on the bottom surface of the support base There is an adsorption magnet for fixing the entire support base.

Further, the control circuit board is also provided with a power supply module, a USB interface module, and a Bluetooth communication module;

Described processor is connected with power supply module, USB interface module, bluetooth communication module, liquid crystal screen and audio equipment;

Further, when the liquid crystal screen is a touch screen, the key is an on/off key.

Further, when the liquid crystal screen is a display screen, the key is a control selection key.

Furthermore, a rechargeable battery is provided inside the support base, and the rechargeable battery is used for power supply when the external power supply is not supplied.

Further, the external power supply is 3.3 volts to 5 volts.

The beneficial technical effect of the utility model lies in

(1) The projection device adopts the cooperation of the threaded hole and the threaded rod, which facilitates the installation and disassembly of the projector and the support seat, and increases the portability.

(2) The projection device can not only connect with external equipment through the opening of the data line for projection, but also directly connect with the serial interface on the control circuit board of the support base for projection.

(3) The projection device has a bluetooth communication function, which facilitates the connection between intelligent terminals such as bluetooth mobile phones and the projector, and increases the user's experience of the projection function.

Description of drawings

Fig. 1 is a three-dimensional schematic view of the space of the support seat of the present invention;

Fig. 2 is the internal connection block diagram of circuit board of the present utility model;

Among them, 1-concave hole, 2-through hole, 3-threaded rod, 4-groove, 5-button, 6-multifunctional USB interface, 7-LCD screen, 8-audio equipment, 9-external power supply interface, 10 - data line opening, 11 - processor, 101 - power supply module, 102 - USB interface module, 103 - bluetooth communication module.

detailed description

Below in conjunction with accompanying drawing, specific embodiment of the utility model is described further.

Fig. 1 is a three-dimensional schematic diagram of the space of the support seat of the utility model. There is a concave hole 1 on the right side of the support seat, and two threaded through holes 2 are symmetrically arranged on the support seat on both sides of the concave hole, and are matched with two threaded rods 3. It is used to fix the projector, which is convenient for its installation and disassembly, and the bottom of the shell is equipped with an adsorption magnet, which is used for fixing the entire support base. A groove 4 and a button 5 are arranged on the top surface of the support base, and the groove 4 is used for fixing and placing smart devices, such as mobile phones, IPADs, etc., and a multifunctional USB interface 6, an LCD screen 7 and an audio frequency are provided on the front of the support base. Equipment 8, audio equipment 8 is operated by button 4, as the selection of song, playing, volume adjustment etc.; LCD screen 7 is used for displaying playing track, time and function setting interface; At the same time, the smart device can also be charged; an external power interface 9 and a data line opening 10 are provided on the back of the support base. The data line opening 10 is used to connect the serial data line of the projector to the outside, and the external power supply is generally 3.3 V to 5 volts, a rechargeable battery is provided inside the support base, and the rechargeable battery can provide power when the external power supply is not working.

Fig. 2 is the internal connection block diagram of circuit board of the present utility model, is provided with circuit board inside fixed seat, is provided with processor 11, power supply module 101, USB interface module 102, bluetooth communication module 103 and serial interface on circuit board;

The processor 11 is connected with the power supply module 101, the USB interface module 102, the bluetooth communication module 103, the liquid crystal screen 7 and the audio equipment 8, and the serial interface is used for connecting the projector;

The processor 11 is connected to the smart terminal through the Bluetooth communication module 103, plays the audio information in the smart terminal through the audio device 8, displays the video information in the smart terminal through the LCD screen 7, and transmits the audio information in the smart terminal through the serial interface. The information is projected with a projector;

When the liquid crystal screen 7 is a touch screen, the key 5 is an on/off key; when the liquid crystal screen 7 is a display screen, the key 5 is a control selection key.

The liquid crystal screen 7 is a display screen with similar functions such as LCD or LED.

Although the specific embodiments of the present utility model have been described above, those skilled in the art should understand that these are only examples, and various modifications can be made to these embodiments without departing from the principle and essence of the present utility model. Change or modification, therefore, the protection scope of the utility model is defined by the appended claims.

Claims (7)

1. A portable multifunctional projection device, comprising a projector, is characterized in that it also includes a support seat, and a recessed hole (1) is arranged on the right side of the support seat for fixing of the projector, in which Two threaded through-holes (2) are arranged symmetrically on the support seats on both sides of the recessed hole (1), and the projector is fixed by cooperating with two threaded rods (3); an external power supply is provided on the back of the support seat An interface (9) and a data line opening (10), the data line opening (10) is used to connect the serial data line of the projector to the outside; a multifunctional USB interface (6) is provided on the front of the support base ; A control circuit board is provided inside the support seat, and the control circuit board is provided with a processor (11) and a serial interface, and the serial interface is used to connect a projector. 2. The portable multifunctional projection device according to claim 1, characterized in that: grooves (4) and buttons (5) are arranged on the top surface of the support seat, and the grooves (4) are used for smart For fixing the terminal, a liquid crystal screen (7) and an audio device (8) are provided on the front of the support base, and an adsorption magnet is provided on the bottom surface of the support base for fixing the entire support base. 3. The portable multifunctional projection device according to claim 2, characterized in that: the control circuit board is also provided with a power supply module (101), a USB interface module (102), and a Bluetooth communication module (103); The processor (11) is connected with the power supply module (101), the USB interface module (102), the bluetooth communication module (103), the liquid crystal screen (7) and the audio equipment (8). 4. The portable multifunctional projection device according to claim 3, wherein when the liquid crystal screen (7) is a touch screen, the button (5) is an on/off key. 5. The portable multifunctional projection device according to claim 3, characterized in that: when the liquid crystal screen (7) is a display screen, the key (5) is a control selection key. 6. The portable multifunctional projection device according to claim 3, wherein a rechargeable battery is provided inside the support base, and the rechargeable battery is used for power supply when the external power supply is not supplied. 7. The portable multifunctional projection device according to any one of claims 1-6, wherein the external power supply is 3.3 volts to 5 volts.