CN214355873U - Split type vehicle-mounted multimedia equipment - Google Patents
Split type vehicle-mounted multimedia equipment Download PDFInfo
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- CN214355873U CN214355873U CN202023035989.XU CN202023035989U CN214355873U CN 214355873 U CN214355873 U CN 214355873U CN 202023035989 U CN202023035989 U CN 202023035989U CN 214355873 U CN214355873 U CN 214355873U
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Abstract
The utility model provides a split type vehicle-mounted multimedia device, which comprises a multimedia host integrated with a control panel; the multimedia display screen is connected with the control panel through a multimedia flat cable; the multimedia display screen is integrated with a voice input module, a voice output module, a display screen control module and an FM module, and the voice output module transmits voice signals to an original car sound system through the FM module. The utility model provides a split type multimedia device installs under the condition of not reforming original car, independently sets up multimedia host computer, multimedia display screen, original car sound system respectively, puts the voice input module on multimedia display screen, solves the microphone input and is apt to be disturbed the problem; the voice output module is connected to the original car sound system through the FM module, so that the problem of small sound of equipment is solved; meanwhile, the FM module is placed at the screen end, no redundant cable is arranged, the installation is convenient, and the signal quality of voice input and output in the vehicle is effectively improved.
Description
Technical Field
The utility model relates to an on-vehicle multimedia field, in particular to split type on-vehicle multimedia equipment.
Background
The common vehicle-mounted multimedia equipment is generally arranged in the center of a vehicle console, the front surface of the equipment is provided with a touch display screen, and the back surface of the equipment is connected to the peripheral equipment of the vehicle, such as a power supply, a loudspeaker, a camera, a small lamp control and the like, through a flat cable socket; for a voice input and output system of the equipment, a voice input microphone is generally arranged at the corner of a front screen of the equipment; the voice output is connected to the vehicle horn through a horn cable at the socket on the back of the equipment, and a corresponding voice power amplifier circuit is arranged on the main control board for driving the original vehicle horn.
The split type multimedia equipment is installed under the condition that the original vehicle is not reformed, and is independently composed of a host and a display screen; because of not reforming transform former car, the host computer is placed inside the glove box usually, and the display screen is placed in well accuse platform position, and both are connected through the display screen winding displacement, and current split type on-vehicle multimedia apparatus pronunciation input output device generally is held at the host computer, because of the host computer is placed inside the glove box, will lead to pronunciation input output to receive the interference very easily like this, and output loudspeaker sound is less can't play out through former car stereo set.
SUMMERY OF THE UTILITY MODEL
The utility model provides an easy to assemble can effectively improve the split type on-vehicle multimedia equipment of speech input output's signal quality in the vehicle.
The utility model provides a split type vehicle-mounted multimedia device, which comprises a multimedia host, a multimedia display screen and an original vehicle sound system which are respectively and independently arranged, wherein,
the multimedia host is integrated with a control panel;
the multimedia display screen is connected with the control panel through a multimedia flat cable; the multimedia display screen is integrated with a voice input module, a voice output module, a display screen control module and an FM module, and the voice output module transmits voice signals to the original car sound system through the FM module.
Preferably, the split vehicle-mounted multimedia device, wherein the multimedia cable includes a display screen cable, a voice input/output signal line and a ground signal line.
Preferably, the split type vehicle-mounted multimedia device, wherein the voice input/output signal line includes a microphone signal line and a speaker signal line.
Preferably, the split type vehicle-mounted multimedia device is characterized in that the microphone signal line and the speaker signal line are integrated into the same strand.
Preferably, the split vehicle-mounted multimedia device is characterized in that the microphone signal line and the speaker signal line are respectively and independently a strand of wire.
Preferably, the split vehicle-mounted multimedia device, wherein the multimedia cable includes a display screen cable, a voice input/output signal line and a ground signal line, and the voice input/output signal line includes a microphone signal line and a speaker signal line.
Preferably, the split type vehicle-mounted multimedia device, wherein the FM module comprises an FM modulation transmitting unit and an FM antenna provided at the voice output module, and an FM receiving unit provided at the original car sound system,
the FM modulation transmitting unit is used for modulating the analog stereo voice signal output by the voice output module to an FM frequency band and transmitting the analog stereo voice signal through an FM antenna;
the FM receiving unit is used for receiving the voice signal transmitted by the FM antenna.
Preferably, the split-type vehicle-mounted multimedia device, wherein the voice input module comprises a microphone and a microphone signal processing circuit,
the microphone is arranged at the lower left corner of the front surface of the screen; the microphone outputs a differential analog signal in an analog electret form or outputs an I2S digital signal by a digital silicon microphone, and is used for collecting a voice signal of a driver;
the microphone signal processing circuit: the signal conditioning is carried out before the voice signal is transmitted to the multimedia flat cable; when the microphone adopts an analog electret, the microphone signal processing circuit comprises a filtering and protecting circuit; when the microphone adopts a digital silicon microphone, the microphone signal processing circuit comprises a digital matching circuit.
Preferably, the split type vehicle-mounted multimedia device is characterized in that the microphone is arranged at the lower left corner of the front surface of the screen.
Preferably, the split vehicle-mounted multimedia device is provided with a sound pickup hole on the microphone.
The utility model provides a split type multimedia device installs under the condition of not reforming transform the former car, independently sets up multimedia host computer, multimedia display screen respectively, former car sound system, puts voice input module at multimedia display screen, can let mike be nearer apart from the driver like this, driver's sound effectively transmits mike's input, solves mike's input and is apt to receive the interference problem; the voice output module is connected to the original car sound system through the FM module, and voice output can be played through the original car sound system, so that the problem of small equipment sound is solved; meanwhile, the FM module is placed at the screen end, no redundant cable is arranged, the installation is convenient, and the signal quality of voice input and output in the vehicle is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a split type vehicle-mounted multimedia device provided by the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic diagram of a split-type vehicle-mounted multimedia device provided by the present invention, as shown in fig. 1, the system includes: a multimedia host 10, a multimedia display screen 20 and an original car sound system 30 which are respectively and independently arranged, wherein,
the multimedia host 10 is integrated with a control panel 101;
the multimedia host 10 end has no loudspeaker, microphone and related socket, the main control board only connects the display screen winding displacement and the voice input and output related signal line;
the multimedia display screen 20 is connected with the control panel 101 through a multimedia flat cable 40; the multimedia display screen 20 is integrated with a voice input module 201, a voice output module 202, a display screen control module 203 and an FM module 204, and the voice output module 202 transmits a voice signal to the original car sound system 30 through the FM module 204.
The multimedia cable 40 includes a display screen cable, a voice input/output signal line and a ground signal line, and the voice input/output signal line includes a microphone signal line and a speaker signal line. Because the voice input module 201 and the voice output module 202 are disposed at the end of the multimedia display screen 20, the multimedia cable 40 needs to include a speaker and a microphone signal; the flat cable can be in a strand of wiring harness form (the wiring harness contains both a horn signal wire and a display screen flat cable), or in a two-strand wiring harness form (a single voice signal wire and a display screen flat cable); it should be noted that the multimedia cable 40 needs to include enough grounding signal lines to ensure the anti-interference performance of the voice signals; especially when the microphone signal is a digital I2S signal, the problems of interference and signal distortion caused by long-line transmission need to be considered.
The utility model provides a split type multimedia device installs under the condition of not reforming transform the former car, independently sets up multimedia host 10 respectively, multimedia display screen 20, former car sound system 30, puts voice input module 201 in multimedia display screen 20, can let mike be nearer apart from the driver like this, driver's sound effectively transmits mike's input, solves mike's input and is easily disturbed the problem; the voice output module 202 is connected to the original car sound system 30 through the FM module 204, and the voice output can be played through the original car sound system 30, so that the problem of small sound of equipment is solved; meanwhile, the FM module 204 is placed at the screen end, no redundant cable is needed, the installation is convenient, and the signal quality of voice input and output in the vehicle is effectively improved.
The voice input module 201 includes a microphone and microphone signal processing circuitry,
the microphone is arranged at the lower left corner of the front surface of the screen; the microphone outputs a differential analog signal in an analog electret form or outputs an I2S digital signal by a digital silicon microphone, and is used for collecting a voice signal of a driver; the microphone needs to be provided with a corresponding sound pickup hole, and the specific position and size of the opening need to be determined according to the structure; preferably, the analog microphone is adopted, so that the problem of interference caused by the transmission of the flat cables and long wires of the display screen can be reduced.
The microphone signal processing circuit: for signal conditioning before transmission of the voice signal to the multimedia cable 40; when the microphone adopts an analog electret, the microphone signal processing circuit comprises a filtering and protecting circuit; when the microphone adopts a digital silicon microphone, the microphone signal processing circuit comprises a digital matching circuit.
The FM module 204 includes an FM modulation transmitting unit and an FM antenna provided at the voice output module 202, and an FM receiving unit provided at the original car sound system 30,
the FM modulation transmitting unit is used for modulating the analog stereo voice signal output by the voice output module 202 to an FM frequency band and transmitting the analog stereo voice signal through an FM antenna;
the FM receiving unit is used for receiving the voice signal transmitted by the FM antenna.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A split type vehicle-mounted multimedia device is characterized by comprising a multimedia host, a multimedia display screen and an original vehicle sound system which are respectively and independently arranged, wherein,
the multimedia host is integrated with a control panel;
the multimedia display screen is connected with the control panel through a multimedia flat cable; the multimedia display screen is integrated with a voice input module, a voice output module, a display screen control module and an FM module, and the voice output module transmits voice signals to the original car sound system through the FM module.
2. The split type vehicle-mounted multimedia device of claim 1, wherein the multimedia cable comprises a display screen cable, a voice input/output signal line and a ground signal line.
3. The split type vehicle-mounted multimedia device of claim 2, wherein the voice input/output signal lines comprise a microphone signal line and a speaker signal line.
4. The split type vehicle-mounted multimedia device of claim 3, wherein the microphone signal line and the speaker signal line are integrated into the same strand.
5. The split type vehicle-mounted multimedia device of claim 3, wherein the microphone signal line and the speaker signal line are each independently a strand of wire.
6. The split type vehicle-mounted multimedia device of claim 1,
the multimedia flat cable comprises a display screen flat cable, a voice input and output signal line and a grounding signal line, wherein the voice input and output signal line comprises a microphone signal line and a loudspeaker signal line.
7. The split type vehicle-mounted multimedia device of claim 1, wherein the FM module comprises an FM modulation transmitting unit and an FM antenna provided at the voice output module, and an FM receiving unit provided at the original car sound system,
the FM modulation transmitting unit is used for modulating the analog stereo voice signal output by the voice output module to an FM frequency band and transmitting the analog stereo voice signal through an FM antenna;
the FM receiving unit is used for receiving the voice signal transmitted by the FM antenna.
8. The split body vehicle-mounted multimedia device of claim 1, wherein the voice input module comprises a microphone and a microphone signal processing circuit,
the microphone is arranged at the lower left corner of the front surface of the screen; the microphone outputs a differential analog signal in an analog electret form or outputs an I2S digital signal by a digital silicon microphone, and is used for collecting a voice signal of a driver;
the microphone signal processing circuit: the signal conditioning is carried out before the voice signal is transmitted to the multimedia flat cable; when the microphone adopts an analog electret, the microphone signal processing circuit comprises a filtering and protecting circuit; when the microphone adopts a digital silicon microphone, the microphone signal processing circuit comprises a digital matching circuit.
9. The split type vehicle-mounted multimedia device of claim 8, wherein the microphone is arranged at the lower left corner of the front surface of the screen.
10. The split type vehicle-mounted multimedia device of claim 9, wherein a sound pickup hole is formed on the microphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023035989.XU CN214355873U (en) | 2020-12-16 | 2020-12-16 | Split type vehicle-mounted multimedia equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023035989.XU CN214355873U (en) | 2020-12-16 | 2020-12-16 | Split type vehicle-mounted multimedia equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214355873U true CN214355873U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023035989.XU Active CN214355873U (en) | 2020-12-16 | 2020-12-16 | Split type vehicle-mounted multimedia equipment |
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| CN (1) | CN214355873U (en) |
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