Projecting apparatus
Technical field
The utility model relates to shadow casting technique field, more particularly, relates to a kind of projecting apparatus.
Background technology
Projecting apparatus claims again projector, is a kind ofly image or video to be projected to the equipment on curtain, can be by different interfaces same computer, VCD, DVD, BD, game machine, DV etc. be connected and play corresponding vision signal.Projecting apparatus is widely used in family, office, school and public place of entertainment, in existing projecting apparatus, support pcb board and the ray machine plate of Android intelligent operating system to be generally all arranged on same PCB (Printed circuit board, printed circuit board (PCB)) on, power transfer module is connected with ray machine plate with the pcb board of supporting Android intelligent operating system respectively, and this projecting apparatus exists following defect:
(1) support the pcb board of Android intelligent operating system and ray machine plate to be arranged on same PCB above, be not easy to the upgrading of the pcb board of supporting Android intelligent operating system;
(2) power transfer module is connected with ray machine plate with the pcb board of supporting Android intelligent operating system respectively, causes circuit connection layout comparatively complicated.
Utility model content
The technical problems to be solved in the utility model is, is not easy to upgrading and the comparatively complicated defect of circuit connection of the pcb board of supporting Android intelligent operating system in the projecting apparatus for prior art, and a kind of projecting apparatus is provided.
The utility model solves the technical scheme that its technical problem adopts, construct a kind of projecting apparatus, comprise be positioned at the ray machine plate of same housing, respectively the support Android intelligent operating system that is electrically connected with described ray machine plate pcb board and for outside 220V supply power voltage being converted to the power transfer module of 12V voltage, also comprise and be arranged on described ray machine backboard face for carry out the ray machine of video playback according to the output of described ray machine plate, wherein:
Described ray machine plate is powered by described power transfer module and is comprised first data transmission and the power supply interface for carrying out data communication and transmission supply power voltage, the pcb board of described support Android intelligent operating system comprises the second transfer of data and the power supply interface for carrying out data communication and transmission supply power voltage, and described first data transmission and power supply interface are connected by data wire with described the second transfer of data and power supply interface.
In projecting apparatus described in the utility model, described ray machine plate comprises the first power supply interface for transmitting supply power voltage, the pcb board of described support Android intelligent operating system comprises the second power supply interface for transmitting supply power voltage, and described the first power supply interface is connected by cable with described the second power supply interface.
In projecting apparatus described in the utility model, described ray machine plate also comprises the first power conversion chip for 12V supply power voltage being converted to 5V supply power voltage, the input of described the first power conversion chip is connected to described power transfer module, and output is connected to described the first data communication and power supply interface and described the first power supply interface.
In projecting apparatus described in the utility model, described ray machine plate also comprises the HDMI interface of the HDMI signal for receiving external equipment input, for described HDMI signal is converted to the signal processing chip of exporting after rgb signal and audio signal, for rgb signal and audio signal are converted to the DPP6401 chip of exporting after DDR signal;
Wherein said HDMI interface, described signal processing chip and described DPP6401 chip are electrically connected successively, and the input of described signal processing chip is also connected to described the first data communication and power supply interface.
In projecting apparatus described in the utility model, described ray machine plate also comprises optical fiber interface, and the input of described optical fiber interface is used for connecting external video equipment, and output is connected to an input of described signal processing chip.
In projecting apparatus described in the utility model, described ray machine plate also comprises earphone interface, and the input of described earphone interface is connected with an output of described DPP6401 chip, and output is for connecting outside ear speaker device.
In projecting apparatus described in the utility model, the pcb board of described support Android intelligent operating system comprise be successively connected for receiving the input interface of audio-video signal, for described audio-video signal being carried out to export after video image decoding the main control chip of HDMI signal, for being the second source conversion chip of described main control chip work required voltage by 5V voltage transitions;
The output of described input interface and described second source conversion chip is all electrically connected with the input of described main control chip, the input of described second source conversion chip and described the second data communication and power supply interface and described the second power supply interface, the output of described main control chip is connected to described the second data communication and power supply interface.
In projecting apparatus described in the utility model, described input interface comprises one or more in USB interface, wifi interface, blue tooth interface, TF card slot.
In projecting apparatus described in the utility model, described main control chip is A20 chip.
In projecting apparatus described in the utility model, described signal processing chip is HX6A28 chip.
Implement the projecting apparatus that the utility model provides, there is following beneficial effect:
(1) pcb board and the ray machine plate by the supporting Android intelligent operating system that in the projecting apparatus that the utility model provides, design are separately arranged on two circuit, between the pcb board of support Android intelligent operating system and ray machine plate, be connected by the mode of interface, be convenient to like this renewal, the upgrading of the pcb board of supporting Android intelligent operating system;
(2) in the projecting apparatus that the utility model provides, power transfer module is only connected with ray machine plate, the supply power voltage that ray machine plate can provide power transfer module by interface transfers to the pcb board of supporting Android intelligent operating system, makes like this configuration on circuit board simpler.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structured flowchart of ray machine plate in the utility model;
Fig. 3 is the structured flowchart of supporting the pcb board of Android intelligent operating system in the utility model.
Embodiment
Understand for technical characterictic of the present utility model, object and effect being had more clearly, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
Shown in Figure 1, the utility model embodiment provides a kind of projecting apparatus, comprise be positioned at the ray machine plate 1 of same housing, respectively the support Android intelligent operating system that is electrically connected with ray machine plate 1 pcb board 2 and be arranged on ray machine backboard face for carry out the ray machine of video playback according to the output of described ray machine plate for outside 220V supply power voltage being converted to the power transfer module 3 of 12V voltage, also comprising.
Shown in Fig. 2 and Fig. 3, ray machine plate 1 is powered by power transfer module 3 and is comprised first data transmission and the power supply interface 1a for carrying out data communication and transmission supply power voltage, support the pcb board 2 of Android intelligent operating system to comprise the second transfer of data and the power supply interface 2a for carrying out data communication and transmission supply power voltage, first data transmission and power supply interface 1a are connected by data wire with the second transfer of data and power supply interface 2a.Ray machine plate 1 comprises the first power supply interface 1b for transmitting supply power voltage, supports the pcb board 2 of Android intelligent operating system to comprise the second power supply interface 2b for transmitting supply power voltage, and the first power supply interface 1b is connected by cable with the second power supply interface 2b.
Particularly, ray machine plate 1 also comprises the first power conversion chip 1c for 12V supply power voltage being converted to 5V supply power voltage, the input of the first power conversion chip 1c is connected to power transfer module, and output is connected to the first data communication and power supply interface 1a and the first power supply interface 1b.
Particularly, ray machine plate 1 also comprises the HDMI interface 1d of the HDMI signal for receiving external equipment input, for HDMI signal is converted to the signal processing chip 1e exporting after rgb signal and audio signal, for rgb signal and audio signal are converted to the DPP6401 chip 1f exporting after DDR signal; Wherein HDMI interface 1d, signal processing chip 1e and DPP6401 chip 1f are electrically connected successively, and the input of signal processing chip 1e is also connected to the first data communication and power supply interface 1a.
Particularly, ray machine plate 1 also comprises optical fiber interface 1g and earphone interface 1h, and the input of optical fiber interface 1g is used for connecting external video equipment, and output is connected to an input of signal processing chip 1e; The input of earphone interface 1h is connected with an output of DPP6401 chip 1f, and output is for connecting outside ear speaker device.
Particularly, support the pcb board 2 of Android intelligent operating system to comprise to be connected successively for receiving the input interface 2c of audio-video signal, for described audio-video signal being carried out exporting after video image decoding the main control chip 2d of HDMI signal, being used for is the second source conversion chip 2e of main control chip work required voltage by 5V voltage transitions, wherein, the output of input interface 2c and second source conversion chip 2e is all electrically connected with the input of main control chip 2d, the input of second source conversion chip 2e and the second data communication and power supply interface 2a and the second power supply interface 2b, the output of main control chip 2d is connected to the second data communication and power supply interface 2a.Input interface 1c comprises one or more in USB interface, wifi interface, blue tooth interface, TF card slot.And above-mentioned main control chip 2d is A20 chip, signal processing chip 1e is HX6A28 chip.
3 of power transfer module in the utility model embodiment are connected with ray machine plate 1, first data transmission on ray machine plate 1 and power supply interface 1a are connected by data wire with supporting the second transfer of data and power supply interface 2a on the pcb board 2 of Android intelligent operating system, the first power supply interface 1b on ray machine plate 1 is connected by cable with supporting the second power supply interface 2b on the pcb board 2 of Android intelligent operating system, so that power transfer module 3 provides enough supply power voltages by ray machine plate 1 to the pcb board 2 of support Android intelligent operating system; Meanwhile, this structure of the utility model design can make the upper configuration of PCB simpler.
In addition, the pcb board 2 of the support Android intelligent operating system designing in the utility model embodiment is connected by interface with ray machine plate 1, the pcb board 2 of supporting Android intelligent operating system can be taken apart with ray machine plate 1, be convenient to renewal, the upgrading of the pcb board 2 of supporting Android intelligent operating system.
The operation principle of the utility model embodiment is as follows:
The projecting apparatus that the utility model embodiment provides in use, can connect outside projection source by input interface 1c such as the USB interface on the pcb board 2 of support Android intelligent operating system, receive the audio-video signal of outer projections source output, after by the main control chip 2d in the pcb board 2 of support Android intelligent operating system, the audio-video signal of projection source output being decoded, export HDMI signal; Also can connect outside video equipment by the HDMI interface 1d on ray machine plate 1 and optical fiber interface 1g and directly export HDMI signal.The 12V supply power voltage that the first power conversion chip 1c in said process in ray machine plate 1 exports power transfer module 3 is converted to 5V supply power voltage, and this 5V supply power voltage is transferred to second source conversion chip 2e in the pcb board 2 of supporting Android intelligent operating system with supporting the first power supply interface 1b on the second transfer of data on the pcb board 2 of Android intelligent operating system and power supply interface 2a or ray machine plate 1 with supporting the second power supply interface 2 on the pcb board 2 of Android intelligent operating system by the first data transmission on ray machine plate 1 and power supply interface 1a, be the main control chip 2d required voltage of working by second source conversion chip 2e by the voltage transitions of 5V.Signal processing chip 1e in ray machine plate 1 exports DPP6401 chip 1f to after HDMI signal is converted to rgb signal and audio signal, DPP6401 chip 1f receives rgb signal and audio signal and rgb signal and audio signal is converted to DDR signal and transfers to ray machine and earphone interface 1h, make ray machine carry out audio frequency and video broadcasting with the external headphones equipment being connected with earphone interface according to this DDR signal, so far projecting apparatus completes the function of video playback.
To sum up, can find out that the projecting apparatus that the utility model embodiment provides is separately arranged on the pcb board 2 of ray machine plate 1 and support Android intelligent operating system on two circuit, make to support to be connected by the mode of interface between the pcb board 2 of Android intelligent operating system and ray machine plate 1, so both can conveniently two circuit board dismountings be come, be convenient to renewal, the upgrading of the pcb board 2 of supporting Android intelligent operating system, this structure simultaneously designing in the utility model also makes the configuration on circuit board simpler.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not departing from the scope situation that the utility model aim and claim protect, also can make a lot of forms, within these all belong to protection of the present utility model.