CN210536789U - HDMI switcher with audio frequency separation function - Google Patents
HDMI switcher with audio frequency separation function Download PDFInfo
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- CN210536789U CN210536789U CN201921627687.6U CN201921627687U CN210536789U CN 210536789 U CN210536789 U CN 210536789U CN 201921627687 U CN201921627687 U CN 201921627687U CN 210536789 U CN210536789 U CN 210536789U
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Abstract
The utility model provides a HDMI switch with audio separation function, power source is connected with power module, power module is connected with HDMI input interface and audio-video separation module respectively, HDMI input interface is connected with audio-video separation module, audio-video separation module selects the module with audio output respectively, single chip microcomputer control module, HDMI switches module and HDMI output and selects the module to be connected, HDMI output selects the module respectively with first HDMI output interface, second HDMI output interface, first HDMI output pilot lamp module and second HDMI output pilot lamp module are connected, single chip microcomputer control module selects module and HDMI to switch the module with audio output respectively and is connected, HDMI switches the module and selects the module to be connected with HDMI output, audio output selects the module respectively with optic fibre audio output interface, stereo output interface and audio frequency select the pilot lamp module to be connected. The utility model discloses support the mutual switching of signal, can also export audio signal alone.
Description
Technical Field
The utility model relates to a HDMI switch field, in particular to HDMI switch with audio frequency separation function.
Background
An HDMI switch is called a High Definition Multimedia Interface in the english language, and a chinese language means a High Definition Multimedia Interface. The HDMI interface can provide a data transmission bandwidth of up to 5Gbps, and can transmit uncompressed audio signals and high-resolution video signals.
However, in the HDMI switch in the prior art, four input devices are generally connected to two output devices, but the HDMI switch does not support the functions of mutual switching and distributed use, and in addition, for some devices without sound output, the HDMI switch cannot be connected to a power amplifier when used, so that people cannot independently separate audio and play the audio through the power amplifier.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a HDMI switch with audio separation function with the function of switching each other and can independently separate the audio frequency and carry out the power amplifier.
In order to achieve the above object, the present invention provides the following technical solutions:
an HDMI switcher with audio separation function comprises an HDMI input interface, a power module, an audio and video separation module, a single chip microcomputer control module, an HDMI switching module, an HDMI output selection module, a first HDMI output interface, a second HDMI output interface, a first HDMI output indicator lamp module, a second HDMI output indicator lamp module, an audio output selection module, an audio selection indicator lamp module, an optical fiber audio output interface and a stereo output interface, wherein the power interface is connected with the power module, the power module is respectively connected with the HDMI input interface and the audio and video separation module, the HDMI input interface is connected with the audio and video separation module, the audio and video separation module is respectively connected with the audio output selection module, the single chip microcomputer control module, the HDMI switching module and the HDMI output selection module, the HDMI output selection module is respectively connected with the first HDMI output interface, The single-chip microcomputer control module is connected with the audio output selection module and the HDMI switching module respectively, the HDMI switching module is connected with the HDMI output selection module, and the audio output selection module is connected with the optical fiber audio output interface, the stereo output interface and the audio selection indicator lamp module respectively.
Further, the HDMI input interface is provided with four.
Further, still include the casing, the HDMI input interface sets up the rear side at the casing.
Further, the power interface, the optical fiber audio output interface, the stereo output interface, the first HDMI output interface and the second HDMI output interface are arranged on the rear side of the shell.
Furthermore, the front side of the shell is provided with an indicator light of the first HDMI output interface, an indicator light of the second HDMI output interface and an audio key selection indicator light.
Furthermore, the indicator light of the first HDMI output interface is connected with the first HDMI output indicator light module, and the indicator light of the second HDMI output interface is connected with the second HDMI output indicator light module.
Furthermore, the audio key selection indicator lamp is connected with the audio selection indicator lamp module.
The utility model has the advantages that:
the utility model discloses a set up audio and video separation module, single chip microcomputer control module, HDMI switches the module, HDMI exports selection module and audio output selection module, like this after a plurality of signals are followed HDMI input interface input, at first separate the video signal and the audio signal in the input signal through audio and video separation module, then under single chip microcomputer control module's control, audio and video separation module carries audio signal to audio output selection module, video signal comes to HDMI output selection module through HDMI switches the module on, the audio frequency can be followed optic fibre audio output interface or stereo output interface under audio output selection module's control; the HDMI switching module can switch the output of the first HDMI output interface or the second HDMI output interface, and the HDMI output selection module is used for switching the input signal. To sum up, the utility model discloses not only can connect two output device with four input device in, but also support the input of four input device of mutual switch, still support the output of two output device of mutual switch in addition, and the utility model discloses can output audio signal alone, use the utility model discloses can independently separate the audio frequency and pass through the power amplifier broadcast.
Drawings
FIG. 1 is a block diagram of the present invention;
fig. 2 is a schematic perspective view of the rear side of the present invention;
fig. 3 is a schematic perspective view of the front side of the present invention;
fig. 4 is a connection diagram after the input device and the output device are connected according to the present invention;
fig. 5 is a circuit diagram of the HDMI input interface of the present invention;
fig. 6 is a circuit diagram of the HDMI output interface of the present invention;
fig. 7 is a circuit diagram of the HDMI switch module of the present invention;
fig. 8 is a circuit diagram of the single chip microcomputer control module of the present invention;
fig. 9 is a circuit diagram of the power module of the present invention;
fig. 10 is a circuit diagram of the fiber audio output interface and the stereo output interface of the present invention.
Detailed Description
The invention is further explained below with reference to the drawings:
as shown in fig. 1 to fig. 9, an HDMI switch with audio separation function includes an HDMI input interface 1, a power interface 2, a power module 3, an audio-video separation module 4, a single-chip microcomputer control module 5, an HDMI switching module 6, an HDMI output selection module 7, a first HDMI output interface 8, a second HDMI output interface 9, a first HDMI output indicator module 10, a second HDMI output indicator module 11, an audio output selection module 12, an audio selection indicator module 13, an optical fiber audio output interface 14, and a stereo output interface 15, where the power interface 2 is connected to the power module 3, the power module 3 is respectively connected to the HDMI input interface 1 and the audio-video separation module 4, the HDMI input interface 1 is connected to the audio-video separation module 4, and the audio-video separation module 4 is respectively connected to the audio output selection module 4 and the single-chip microcomputer control module 5, HDMI switches module 6 and HDMI output and selects module 7 to be connected, HDMI output selects module 7 to be connected with first HDMI output interface 8, second HDMI output interface 9, first HDMI output indicator lamp module 10 and second HDMI output indicator lamp module 11 respectively, single chip microcomputer control module 5 is connected with audio output selection module 12 and HDMI switches module 6 respectively, HDMI switches module 6 and HDMI output and selects module 7 to be connected, audio output selects module 4 to be connected with optic fibre audio output interface 14, stereo output interface 15 and audio selection indicator lamp module 13 respectively.
The type of the HDMI switching module 6 is: IT6634TQFP176_20x 20.
Further, the HDMI input interface 1 is provided with four.
Further, a housing 16 is included, and the HDMI input interface 1 is provided on the rear side of the housing 16.
Further, the power interface 2, the fiber audio output interface 14, the stereo output interface 15, the first HDMI output interface 8, and the second HDMI output interface 9 are disposed on the rear side of the housing 16.
Further, an indicator light of the first HDMI output interface 8, an indicator light of the second HDMI output interface 9, and an audio key selection indicator light are provided on the front side of the housing 16.
Further, the indicator light of the first HDMI output interface 8 is connected to the first HDMI output indicator light module 10, and the indicator light of the second HDMI output interface 9 is connected to the second HDMI output indicator light module 11.
Further, the audio key selection indicator is connected with the audio selection indicator module 13.
The utility model discloses a set up audio and video separation module 4, single chip microcomputer control module 5, HDMI switches module 6, HDMI output selection module 6 and audio output selection module 7, like this after a plurality of signals are input from HDMI input interface 1, at first separate video signal and audio signal in the input signal through audio and video separation module 4, then under the control of single chip microcomputer control module 5, audio and video separation module 5 carries audio signal to audio output selection module 12, video signal comes to HDMI output selection module 12 through HDMI switches module 6, the audio frequency can be followed optic fibre audio output interface 14 or stereo output interface 15 and exported under the control of audio output selection module 12; the HDMI switch module 6 is capable of switching the output of the first HDMI output interface 8 or the second HDMI output interface 9, and the HDMI output selection module 7 is used for switching the input signal. To sum up, the utility model discloses not only can connect two output device with four input device in, but also support the input of four input device of mutual switch, still support the output of two output device of mutual switch in addition, and the utility model discloses can output audio signal alone, use the utility model discloses can independently separate the audio frequency and pass through the power amplifier broadcast.
The utility model discloses a theory of operation does:
for example, the computer, the game machine, the television box and the hard disk video recorder are respectively output, the first display device and the second display device are output, firstly, the computer, the game machine, the television box and the hard disk video recorder are respectively connected into the HDMI input interface 1, the first display device and the second display device are respectively connected to the first HDMI output interface 8 and the second HDMI output interface 9, finally, the sound equipment is connected through the optical fiber audio output interface 14 or the stereo output interface 15, the HDMI output selection module 7 is controlled by pressing a signal output selection button 21 to select one of a video signal of a computer, a game machine, a television box and a hard disk video recorder to be output, and their audio signals are output from the sound equipment, when it is necessary to switch the output from the first display equipment or the second display equipment, the first button 19 or the second button 20 can be pressed to control the HDMI switching module to perform signal output.
In addition the utility model discloses a shell 16 adopts metal casing 16, and the heat dissipation is more durable.
The utility model discloses still be provided with callus on the sole 17 and louvre 18, can improve the radiating efficiency.
The above description is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a HDMI switch with audio separation function which characterized in that: the device comprises an HDMI input interface, a power module, an audio-video separation module, a single-chip microcomputer control module, an HDMI switching module, an HDMI output selection module, a first HDMI output interface, a second HDMI output interface, a first HDMI output indicator lamp module, a second HDMI output indicator lamp module, an audio output selection module, an audio selection indicator lamp module, an optical fiber audio output interface and a stereo output interface, wherein the power interface is connected with the power module, the power module is respectively connected with the HDMI input interface and the audio-video separation module, the HDMI input interface is connected with the audio-video separation module, the audio-video separation module is respectively connected with the audio output selection module, the single-chip microcomputer control module, the HDMI switching module and the HDMI output selection module, and the HDMI output selection module is respectively connected with the first HDMI output interface, the second HDMI output interface, the first HDMI output indicator lamp module and the second HDMI output indicator lamp module, the single-chip microcomputer control module is respectively connected with the audio output selection module and the HDMI switching module, the HDMI switching module is connected with the HDMI output selection module, and the audio output selection module is respectively connected with the optical fiber audio output interface, the stereo output interface and the audio selection indicator lamp module.
2. The HDMI switch with audio separation function of claim 1, wherein: the HDMI input interfaces are provided with four.
3. The HDMI switch with audio separation function of claim 2, wherein: still include the casing, HDMI input interface sets up the rear side at the casing.
4. The HDMI switcher with audio separation function according to claim 3, wherein: the power supply interface, the optical fiber audio output interface, the stereo output interface, the first HDMI output interface and the second HDMI output interface are arranged on the rear side of the shell.
5. The HDMI switcher with audio separation function according to claim 3, wherein: the front side of the shell is provided with an indicator light of the first HDMI output interface, an indicator light of the second HDMI output interface and an audio key selection indicator light.
6. The HDMI switcher with audio separation function according to claim 5, wherein: the indicator lamp of the first HDMI output interface is connected with the first HDMI output indicator lamp module, and the indicator lamp of the second HDMI output interface is connected with the second HDMI output indicator lamp module.
7. The HDMI switcher with audio separation function according to claim 5, wherein: the audio key selection indicator lamp is connected with the audio selection indicator lamp module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921627687.6U CN210536789U (en) | 2019-09-27 | 2019-09-27 | HDMI switcher with audio frequency separation function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921627687.6U CN210536789U (en) | 2019-09-27 | 2019-09-27 | HDMI switcher with audio frequency separation function |
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| CN210536789U true CN210536789U (en) | 2020-05-15 |
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| CN201921627687.6U Active CN210536789U (en) | 2019-09-27 | 2019-09-27 | HDMI switcher with audio frequency separation function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114615444A (en) * | 2022-05-11 | 2022-06-10 | 宏晶微电子科技股份有限公司 | Display control device, data output method, HDMI distributor and medium |
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2019
- 2019-09-27 CN CN201921627687.6U patent/CN210536789U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114615444A (en) * | 2022-05-11 | 2022-06-10 | 宏晶微电子科技股份有限公司 | Display control device, data output method, HDMI distributor and medium |
| CN114615444B (en) * | 2022-05-11 | 2022-09-06 | 宏晶微电子科技股份有限公司 | Display control device, data output method, HDMI distributor and medium |
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Address after: 523000 Room 601, building 5, No.2, Huangdong Jintian Road, Fenggang town, Dongguan City, Guangdong Province Patentee after: Shenghong Electronic Technology (Dongguan) Co.,Ltd. Address before: 523000 3rd floor workshop, building C1, Jingbo Industrial Park, Buxin Industrial Zone, Yantian village, Fenggang town, Dongguan City, Guangdong Province Patentee before: DONGGUAN CITY JIEMAO ELECTRONICS Co.,Ltd. |