CN203057333U - portable projector - Google Patents

Abstract

The utility model provides a portable projector is applied to a multimedia device, and portable projector contains microprocessing unit, HDMI port, first power, power management module and projection unit. The HDMI port is used for being electrically connected with the micro-processing unit and the multimedia device respectively. The first power supply is electrically connected with the micro-processing unit and used for providing power for the portable projector. The power management module is electrically connected with the micro-processing unit and the first power supply and used for selectively providing power to the multimedia device. The projection unit is electrically connected with the micro-processing unit and projects the picture information displayed by the multimedia device.

Description

portable projector

technical field

The utility model relates to the field of projectors, in particular to a portable projector used for connecting with a multimedia device.

Background technique

Today's mobile multimedia devices, such as smart phones and tablet computers, are developing rapidly. Many multimedia device users rely on the multimedia device as the primary tool for recording moving or still images. After the user uses the multimedia device to shoot dynamic or static images, he can directly browse the dynamic images or static images on the display screen set in the multimedia device.

If you want to project the image data in the multimedia device, you must use a transmission line to transmit the dynamic picture or static image in the photography device to the computer equipment, and then play the dynamic or static image through the digital projector connected to the computer. In this method, the audio-visual files must be edited and stored in the computer first, and the computer must also have drivers corresponding to the multimedia device and the projector respectively. In this way, too complicated steps and conditions cause inconvenience to the user. Therefore, a portable projector provided for multimedia devices emerges at the historic moment.

However, the function of portable projectors developed in recent years is simply to convert and project image data in multimedia devices. In the face of today's emphasis on integrated electronic products, it is an urgent goal to develop a multifunctional portable projector.

Utility model content

The purpose of the utility model is to solve the above problems, and provide a portable projector, which can allow users to directly mirror and project the screen information of a multimedia device, and can also provide electric energy for charging the multimedia device when combined with the multimedia device.

In order to solve the above problems, the utility model provides a portable projector, which is applied to a multimedia device, and the portable projector includes a micro-processing unit, an HDMI port, a first power supply, a power management module and a projection unit. The HDMI port is used to electrically connect the microprocessor unit and the multimedia device respectively. The first power supply is electrically connected with the micro-processing unit to provide power for the portable projector. The power management module is electrically connected with the micro-processing unit and the first power supply for selectively providing power to the multimedia device. The projection unit is electrically connected with the micro-processing unit, and projects the picture information displayed by the multimedia device.

In the above portable projector, the portable projector further includes another high-definition multimedia interface port or a serial peripheral interface or a universal serial bus port.

In the above-mentioned portable projector, through the electrical connection between the high-definition multimedia interface port and the multimedia device, the screen information displayed by the multimedia device is processed by the micro-processing unit and then projected by the projection unit .

In the above portable projector, the portable projector includes a charging module, and the charging module is electrically connected to the first power supply for charging the first power supply.

In the above portable projector, the charging module includes a port for connecting with an external power source and charging the first power source through the external power source.

In the above-mentioned portable projector, the portable projector includes a switching unit electrically connected to the power management module for controlling the power module to selectively charge the A second power source of the multimedia device is charged.

In the above portable projector, the portable projector includes a speaker unit for amplifying when the portable projector plays audio and video data.

In the above portable projector, the portable projector includes a focusing unit for adjusting the focal length of the projection unit.

In the above-mentioned portable projector, a rotating shaft mechanism is provided outside the portable projector, and the rotating shaft mechanism includes a fixed part, a supporting part and a rotating shaft part, and the rotating shaft part is located between the fixed part and the rotating shaft part. At the front end or the rear end of the supporting part, the fixing part includes an engaging part for fixing the portable projector.

The utility model has the advantage that the portable projector of the utility model can allow the user to directly mirror and project the screen information of the multimedia device, and can provide electric energy to charge the multimedia device when combined with the multimedia device. Therefore, the portable projector of the present invention brings great convenience to users.

Description of drawings

FIG. 1 is a functional block diagram illustrating a portable projector and a multimedia device according to a first embodiment of the present invention;

FIG. 2 is a schematic diagram illustrating a combination of a portable projector and a multimedia device according to an embodiment of the present invention;

3A and 3B are schematic diagrams illustrating the structure and operation of the portable projector according to an embodiment of the present invention.

Detailed ways

The specific implementation of a portable projector provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

Please refer to FIG. 1 . FIG. 1 is a functional block diagram illustrating a portable projector and a multimedia device according to a first embodiment of the present invention. As shown in FIG. 1 , a portable projector 100 includes a microprocessing unit 102, a high-definition multimedia interface (HighDefinition Multimedia Interface, HDMI) port 104, a first power supply 106, a power management module 108, and a projection unit 110. In an example, the HDMI port 104 is a male HDMI port. In this embodiment, the HDMI port 104, the power management module 108, and the projection unit 110 are all electrically connected to the microprocessing unit 102, and the first power supply 106 is electrically connected to the power management module 108. For example, the first power supply 106 is a The battery is used to provide the power required by the portable projector 100 . The multimedia device 200 has a microprocessing unit 202, a display unit 204, a second power supply 206 and a second port 208. In this embodiment, the display unit 204, the second power supply 206 and the second port 208 are all electrically connected to the microprocessing unit 202. The second port 208 is electrically connected to the second power source 206 at the same time. The second power source 206 is a battery for providing the power required by the multimedia device 200 . In this embodiment, the multimedia device 200 can be a portable electronic device such as a mobile phone, a smart phone, a portable game console, a personal digital assistant (PDA), a notebook computer or a tablet computer, and this is preferably an iPhone 5 , but not limited to this.

The portable projector 100 of the present invention is electrically connected to the multimedia device 200 through the HDMI port 104 . In this embodiment, the HDMI port 104 of the portable projector 100 can also be applied to the multimedia device 200 through the adapter device 300. In this embodiment, the adapter device 300 can be an Apple computer company (Apple) Lightning Digital AV Adapter manufactured by, but not limited to. In this embodiment, one end of the adapter device 300 is connected to the HDMI port 104 of the portable projector 100 , and the other end is connected to the second port 208 of the multimedia device 200 . The display unit 204 of the multimedia device 200 will display the picture information on the screen (not shown) of the multimedia device 200, and the micro-processing unit 202 will transmit the picture information displayed by the display unit 204 to the second port 208, and then through The switching device 300 transmits to the HDMI port 104 , and the projection unit 110 performs screen projection after being processed by the micro-processing unit 102 . It is worth noting that the portable projector 100 of the present invention performs mirror projection on the multimedia device 200 , so as to completely correspond to the picture displayed on the screen of the projected multimedia device 200 .

In this embodiment, the portable projector 100 also includes a Universal Serial Bus (Universal Serial Bus, USB) port 112, a serial peripheral interface (SerialPeripheral Interface, SPI) 114 and an HDMI port 116. In this embodiment, The HDMI port 116 is an HDMI female port. The USB port 112, the serial peripheral interface 114, and the HDMI port 116 are electrically connected to the microprocessing unit 102, which can respectively be connected to electronic products through applicable connecting devices, such as mobile phones, smart phones, portable game consoles, Personal digital assistants (PDAs), laptops or tablet computers, etc. are connected for data transfer.

In addition, the portable projector 100 of the present invention includes a charging module 118, and the charging module 118 is electrically connected to the first power source 106, and in this embodiment, the charging module 118 also includes a first port 1181, the first port 1181 is used to connect with the external power source 400 , so that the first power source 106 can be charged through the external power source 400 .

In this embodiment, the portable projector 100 further includes a switch unit 120, the switch unit 120 is electrically connected to the power management module 108, and is used to control the power management module 108 to selectively switch on the second power source 206 of the multimedia device 200. Charge. In this embodiment, the portable projector 100 can be connected to the USB port 112 and the second port 208 of the multimedia device 200 through a USB transmission cable 500 , so that the second power source 206 can be charged by the first power source 106 . Moreover, the switching unit 120 can be designed as an external interface, and the user can selectively decide to charge the multimedia device 200 by the portable projector 100 . In this way, the portable projector 100 of the present invention can also be used as a mobile power supply.

In this embodiment, the portable projector 100 further includes a focus adjustment unit 122 and a speaker unit 124. The focus adjustment unit 122 is electrically connected to the micro-processing unit 102 and the projection unit 110 for adjusting the lens in the projection unit 110. (not shown), and the speaker unit 124 is electrically connected to the micro-processing unit 102 for speaker when the portable projector 100 plays audio-visual data.

When the portable projector 100 and the multimedia device 200 are combined through the adapter device 300, the portable projector 100 can mirror and project the screen information displayed by the multimedia device 200, and when the multimedia device 200 generates power during the projection process In case of shortage, the portable projector 100 can also be used as a mobile power source to charge the multimedia device 200, which brings great convenience to the user.

The internal structure of the multimedia device 200 mentioned in this embodiment is generally known, and is not limited to the structure shown in FIG. 1 .

Please refer to FIG. 2 . FIG. 2 is a schematic diagram illustrating a combination of a portable projector and a multimedia device according to an embodiment of the present invention. As shown in FIG. 2 , the portable projector 100 is combined with the second port 208 of the multimedia device 200 through the adapter device 300 , thereby mirroring and projecting the screen information of the multimedia device 200 . The USB port 112, the serial peripheral interface 114, and the HDMI port 116 can respectively pass through applicable connecting devices and electronic products, such as mobile phones, smart phones, portable game consoles, personal digital assistants (PDAs), and notebook computers. or a tablet computer, etc. for data transfer.

Please refer to FIG. 3A and FIG. 3B together with FIG. 2 . FIG. 3A and FIG. 3B are schematic diagrams illustrating the structure and operation of a portable projector according to an embodiment of the present invention. As shown in FIG. 3A and FIG. 3B , the portable projector 100 of the present invention further includes a rotating shaft mechanism 600 , and the rotating shaft mechanism 600 includes a rotating shaft portion 602 , a fixing portion 604 and a supporting portion 606 . The rotating shaft mechanism 600 can be used as a tripod when the portable projector 100 is placed on a plane for projection as shown in FIG. 2 , so that the portable projector 100 can adjust the projection angle. The fixing part 602 of the hinge mechanism 600 has a fastening part (not shown), which can also be used to fix the multimedia device 200 on the portable projector 100 when the portable projector 100 is combined with the multimedia device 200 .

To sum up, the portable projector of the present invention allows the user to directly mirror and project multimedia devices, such as the screen information of a smart phone, and can also provide power to charge the multimedia device when combined with the multimedia device. Therefore, the portable projector of the present invention brings great convenience to users.

For those who are familiar with the art in this field, although the present utility model is illustrated as above with preferred examples, it is not intended to limit the spirit of the present utility model. Modifications and similar configurations made without departing from the spirit and scope of the present utility model shall be included in the scope of the following patent application. This scope shall cover all similar modifications and similar structures, and shall be interpreted in the broadest way.

Claims (9)

1. A portable projector applied to a multimedia device, characterized in that, the portable projector comprises: a microprocessing unit; a high-definition multimedia interface port for electrically connecting the micro-processing unit and the multimedia device; A first power supply, electrically connected to the micro-processing unit, for providing power to the portable projector; a power management module, electrically connected with the micro-processing unit and the first power supply, for selectively providing power to the multimedia device; and A projection unit is electrically connected with the micro-processing unit and projects the picture information displayed by the multimedia device. 2. The portable projector according to claim 1, further comprising another HDMI port or a serial peripheral interface or a USB port. 3. The portable projector according to claim 1, characterized in that, through the electrical connection between the high-definition multimedia interface port and the multimedia device, the picture information displayed by the multimedia device is transmitted through the micro After processing by the processing unit, the projection unit performs screen projection. 4. The portable projector according to claim 1, wherein the portable projector comprises a charging module, and the charging module is electrically connected to the first power supply for charging the The first power source performs charging. 5. The portable projector according to claim 4, wherein the charging module comprises a port for connecting to an external power source and charging the first power source through the external power source. 6. The portable projector according to claim 1, wherein the portable projector comprises a switching unit electrically connected to the power management module for controlling the power module through A charging connection device selectively charges a second power source of the multimedia device. 7 . The portable projector according to claim 1 , wherein the portable projector comprises a speaker unit for amplifying when the portable projector plays video and audio data. 8 . 8. The portable projector according to claim 1, wherein the portable projector comprises a focusing unit for adjusting the focal length of the projection unit. 9. The portable projector according to claim 1, wherein a rotating shaft mechanism is provided outside the portable projector, and the rotating shaft mechanism includes a fixing part, a supporting part and a rotating shaft part, The rotating shaft part is located at the front end or rear end of the fixing part and the supporting part, and the fixing part includes an engaging part for fixing the portable projector.

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