CN215944427U - On-vehicle reading lamp microphone assembly - Google Patents
On-vehicle reading lamp microphone assembly Download PDFInfo
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- CN215944427U CN215944427U CN202121944275.2U CN202121944275U CN215944427U CN 215944427 U CN215944427 U CN 215944427U CN 202121944275 U CN202121944275 U CN 202121944275U CN 215944427 U CN215944427 U CN 215944427U
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Abstract
The utility model relates to a vehicle-mounted reading lamp microphone assembly which comprises a top lamp upper shell, a top lamp middle shell, a top lamp lower shell, a reading lamp key assembly, a warning lamp key assembly, a microphone PCB (printed circuit board) and a top lamp PCB; the dome lamp middle shell is positioned between the dome lamp upper shell and the dome lamp lower shell, the dome lamp middle shell is communicated from top to bottom, the left end and the right end of the dome lamp middle shell are provided with reading lamp key assemblies, the middle part of the dome lamp middle shell is provided with a warning lamp key assembly, and the right part of the dome lamp middle shell is provided with a microphone PCB; the dome lamp PCB is arranged on the dome lamp lower shell, is positioned with the dome lamp lower shell through a buckle and is fixedly installed through screws after being positioned; the bottom of the microphone PCB is connected with the ceiling lamp PCB through a conductive rubber pad; the reading lamp key assembly, the warning lamp key assembly, the microphone PCB, the dome lamp PCB, the conductive rubber pad, the screw and the buckle are packaged into a whole by the dome lamp upper shell, the dome lamp middle shell and the dome lamp lower shell.
Description
Technical Field
The utility model relates to an assembly, in particular to a vehicle-mounted reading lamp microphone assembly.
Background
At present, the vehicle-mounted reading lamp and the microphone are designed in a split mode, and are designed in a split mode from the aspects of structure and circuit, namely the reading lamp 2 and the microphone 1 are two different products integrally, as shown in figures 1 and 2, the split design mainly has the following defects:
1) the microphone power supply wiring harness needs to be additionally arranged, and the wiring harness and raw materials are wasted;
2) the number of interfaces is large, and the wiring is complicated;
3) the structure is complex, and a microphone assembly mounting interface needs to be reserved in advance.
The utility model provides a vehicle-mounted reading lamp microphone assembly, which adopts an integrated design, and particularly integrates a circuit of the microphone assembly into a reading lamp circuit in a vehicle. Meanwhile, the original microphone assembly structure is eliminated, and the existing structure of the reading lamp in the vehicle is used. In the aspect of the audio interface, the connector interface of the existing reading lamp in the automobile is also used, so that the arrangement quantity of the connectors and the arrangement of the wiring harnesses are saved, and convenience is provided for the wiring design in the automobile.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a vehicle-mounted reading lamp microphone assembly.
In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:
an in-vehicle reading light microphone assembly, comprising: a dome lamp upper shell 10, a dome lamp middle shell 12, a dome lamp lower shell 15, a reading lamp key assembly, a warning lamp key assembly, a microphone PCB 11 and a dome lamp PCB 14;
the dome lamp middle shell 12 is positioned between the dome lamp upper shell 10 and the dome lamp lower shell 15, the dome lamp middle shell 12 is communicated from top to bottom, reading lamp key assemblies are installed at the left end and the right end of the dome lamp middle shell 12, a warning lamp key assembly is installed in the middle of the dome lamp middle shell 12, a microphone PCB 11 is installed at the right part of the dome lamp middle shell 12, and the microphone PCB 11 is positioned between the warning lamp key assembly and the reading lamp key assembly at the right end;
through holes are formed in the left end and the right end of the top lamp upper shell 10 and used for placing a reading lamp key assembly, and a square hole is formed in the middle of the top lamp upper shell 10 and used for placing a warning lamp key assembly;
the dome lamp PCB 14 is arranged on the dome lamp lower shell 15, the dome lamp PCB 14 is positioned with the dome lamp lower shell 15 through a buckle 17, and the dome lamp PCB is fixedly installed through a screw 16 after being positioned;
the bottom of the microphone PCB 11 is connected with a ceiling lamp PCB 14 through a conductive rubber pad 13;
the dome lamp upper shell 10, the dome lamp middle shell 12 and the dome lamp lower shell 15 encapsulate the reading lamp key assembly, the warning lamp key assembly, the microphone PCB 11, the dome lamp PCB 14, the conductive rubber pad 13, the screw 16 and the buckle 17 into a whole.
On the basis of the scheme, the microphone PCB 11 is provided with an A2B chip, a filter circuit and a plurality of microphones;
the dome lamp PCB board 14 is provided with a connector, a dome lamp MCU processor, a power supply chip, an LED control chip, 3 LED lamps and keys, wherein 2 LED lamps correspond to the reading lamp key assembly, and the other 1 LED lamp corresponds to the warning lamp key assembly;
the microphones are connected with an A2B chip, the A2B chip is connected with a filter circuit, and the filter circuit is connected with the connector;
the A2B chip is used for data format conversion, and converts the PDM signal of the microphone into an A2B signal;
the filter circuit is used for filtering the A2B signal and outputting the processed signal through the connector;
the LED control chip is connected with the LED lamp, and the power chip is respectively connected with the connector and the LED lamp;
the reading lamp key assembly transmits force to the key through mechanical pressing, and the key is used for turning on or off the reading lamp;
the ceiling lamp MCU processor is used for being connected with the connector through an LIN line so as to communicate with a host in the vehicle, the host in the vehicle can send a trigger signal to the ceiling lamp MCU processor, and the ceiling lamp MCU processor sends the trigger signal to the LED control chip;
the LED control chip is used for adjusting the power of the LED lamp according to the trigger signal;
the connector is used for connecting an external component or an external power supply;
the power supply chip is used for converting the voltage of an external power supply into a proper voltage to supply power to the ceiling lamp MCU processor and the LED lamp.
On the basis of the above scheme, the number of microphones is at most 4.
Based on the scheme, the A2B chip is AD 242X.
On the basis of the scheme, the ceiling lamp MCU processor is A912ZVLA 64.
On the basis of the scheme, the power supply voltage of the ceiling lamp MCU processor is 3.3V.
On the basis of the scheme, the reading lamp key assembly comprises: the LED reading lamp comprises a reading lamp silica gel pad 6, a reading lamp light guide column 5, a reading lamp support 4 and a reading lamp key 3, wherein the reading lamp key 3, the reading lamp support 4, the reading lamp light guide column 5 and the reading lamp silica gel pad 6 are sequentially arranged on a dome lamp middle shell 12 from top to bottom.
On the basis of the above scheme, the warning light button subassembly includes: warning light button 7, warning light support 8 and warning light silica gel pad 9, warning light button 7, warning light support 8 and warning light silica gel pad 9 are installed on dome lamp mesochite 12 from last to down in proper order.
The utility model has the beneficial effects that:
1. wiring harness arrangement is saved;
2. the space is saved, and the hardware and the structure of the microphone do not need to reserve space independently;
3. connector interfaces are saved, and the number of hardware of the electric appliance is reduced;
4. the digital A2B bus transmission is adopted, and an array mode is adopted, so that the coverage range is wide, and the delay is low.
5. The utility model can realize the voice interface function in the front row and the back row application in the vehicle, particularly can realize the applications of voice communication, voice recognition, beam forming, voice noise reduction, ANC noise reduction and the like, saves the arrangement space in the vehicle and cancels the original microphone installation reserved space.
Drawings
The utility model has the following drawings:
figure 1 is a schematic diagram of the structure of the prior art solution.
Fig. 2 is a circuit block diagram of a prior art solution.
Fig. 3 is a block circuit diagram of the present invention.
FIG. 4 is a schematic structural diagram of the present invention.
In the figure: 1-a microphone; 2-a reading lamp; 3-reading lamp key; 4-reading lamp support; 5-reading lamp light guide column; 6-reading lamp silica gel pad; 7-warning light key; 8-warning light support; 9-warning light silica gel pad; 10-ceiling lamp upper shell; 11-microphone PCB board; 12-dome lamp middle shell; 13-a conductive rubber pad; 14-ceiling lamp PCB board; 15-dome lamp lower shell; 16-a screw; 17-buckling.
Detailed Description
The utility model is described in further detail below with reference to fig. 3-4.
An in-vehicle reading light microphone assembly, comprising: a dome lamp upper shell 10, a dome lamp middle shell 12, a dome lamp lower shell 15, a reading lamp key assembly, a warning lamp key assembly, a microphone PCB 11 and a dome lamp PCB 14;
the dome lamp middle shell 12 is positioned between the dome lamp upper shell 10 and the dome lamp lower shell 15, the dome lamp middle shell 12 is communicated from top to bottom, reading lamp key assemblies are installed at the left end and the right end of the dome lamp middle shell 12, a warning lamp key assembly is installed in the middle of the dome lamp middle shell 12, a microphone PCB 11 is installed at the right part of the dome lamp middle shell 12, and the microphone PCB 11 is positioned between the warning lamp key assembly and the reading lamp key assembly at the right end;
through holes are formed in the left end and the right end of the top lamp upper shell 10 and used for placing a reading lamp key assembly, and a square hole is formed in the middle of the top lamp upper shell 10 and used for placing a warning lamp key assembly;
the dome lamp PCB 14 is arranged on the dome lamp lower shell 15, the dome lamp PCB 14 is positioned with the dome lamp lower shell 15 through a buckle 17, and the dome lamp PCB is fixedly installed through a screw 16 after being positioned;
the bottom of the microphone PCB 11 is connected with a ceiling lamp PCB 14 through a conductive rubber pad 13;
the dome lamp upper shell 10, the dome lamp middle shell 12 and the dome lamp lower shell 15 encapsulate the reading lamp key assembly, the warning lamp key assembly, the microphone PCB 11, the dome lamp PCB 14, the conductive rubber pad 13, the screw 16 and the buckle 17 into a whole.
The microphone PCB 11 is provided with an A2B chip, a filter circuit and a plurality of microphones;
the dome lamp PCB board 14 is provided with a connector, a dome lamp MCU processor, a power supply chip, an LED control chip, 3 LED lamps and keys, wherein 2 LED lamps correspond to the reading lamp key assembly, and the other 1 LED lamp corresponds to the warning lamp key assembly;
the microphones are connected with an A2B chip, the A2B chip is connected with a filter circuit, and the filter circuit is connected with the connector;
the A2B chip is used for data format conversion, and converts the PDM signal of the microphone into an A2B signal;
the filter circuit is used for filtering the A2B signal and outputting the processed signal through the connector;
the LED control chip is connected with the LED lamp, and the power chip is respectively connected with the connector and the LED lamp;
the reading lamp key assembly transmits force to the key through mechanical pressing, and the key is used for turning on or off the reading lamp;
the ceiling lamp MCU processor is used for being connected with the connector through an LIN line so as to communicate with a host in the vehicle, the host in the vehicle can send a trigger signal to the ceiling lamp MCU processor, and the ceiling lamp MCU processor sends the trigger signal to the LED control chip;
the LED control chip is used for adjusting the power of the LED lamp according to the trigger signal;
the connector is used for connecting an external component or an external power supply;
the power supply chip is used for converting the voltage of an external power supply into a proper voltage to supply power to the ceiling lamp MCU processor and the LED lamp.
The number of microphones is at most 4.
The A2B chip was AD 242X.
The ceiling lamp MCU processor is A912ZVLA 64.
The power supply voltage of the ceiling lamp MCU processor is 3.3V.
The reading lamp button subassembly includes: the LED reading lamp comprises a reading lamp silica gel pad 6, a reading lamp light guide column 5, a reading lamp support 4 and a reading lamp key 3, wherein the reading lamp key 3, the reading lamp support 4, the reading lamp light guide column 5 and the reading lamp silica gel pad 6 are sequentially arranged on a dome lamp middle shell 12 from top to bottom.
The warning light button subassembly includes: warning light button 7, warning light support 8 and warning light silica gel pad 9, warning light button 7, warning light support 8 and warning light silica gel pad 9 are installed on dome lamp mesochite 12 from last to down in proper order.
The protection point of the utility model is mainly embodied in 2 aspects:
1) in the aspect of circuit design, a microphone assembly circuit is integrated into a reading lamp circuit, and digital A2B bus technology is adopted, digital signal transmission is adopted, and meanwhile, the design of an array microphone is adopted;
2) in the aspect of structural design, the microphone shell part of the original design is cancelled, and a structure space with a reading lamp is adopted to form a special acoustic cavity to realize the pickup function.
Those not described in detail in this specification are within the skill of the art.
Claims (8)
1. An on-board reading light microphone assembly, comprising: the LED ceiling lamp comprises a ceiling lamp upper shell (10), a ceiling lamp middle shell (12), a ceiling lamp lower shell (15), a reading lamp key assembly, a warning lamp key assembly, a microphone PCB (11) and a ceiling lamp PCB (14);
the dome lamp middle shell (12) is positioned between the dome lamp upper shell (10) and the dome lamp lower shell (15), the dome lamp middle shell (12) is communicated up and down, reading lamp key assemblies are installed at the left end and the right end of the dome lamp middle shell (12), a warning lamp key assembly is installed in the middle of the dome lamp middle shell (12), a microphone PCB (printed circuit board) board (11) is installed at the right part of the dome lamp middle shell (12), and the microphone PCB board (11) is positioned between the warning lamp key assembly and the reading lamp key assembly at the right end;
through holes are formed in the left end and the right end of the top lamp upper shell (10) and used for placing a reading lamp key assembly, and a square hole is formed in the middle of the top lamp upper shell (10) and used for placing a warning lamp key assembly;
the dome lamp PCB (14) is arranged on the dome lamp lower shell (15), the dome lamp PCB (14) is positioned with the dome lamp lower shell (15) through a buckle (17), and the dome lamp PCB is fixedly installed through a screw (16) after being positioned;
the bottom of the microphone PCB (11) is connected with a dome lamp PCB (14) through a conductive rubber pad (13);
the reading lamp key assembly, the warning lamp key assembly, the microphone PCB (11), the dome lamp PCB (14), the conductive rubber pad (13), the screw (16) and the buckle (17) are packaged into a whole by the dome lamp upper shell (10), the dome lamp middle shell (12) and the dome lamp lower shell (15).
2. The vehicle reading lamp microphone assembly as set forth in claim 1, wherein the microphone PCB board (11) is provided with an A2B chip, a filter circuit and a plurality of microphones;
the dome lamp PCB (14) is provided with a connector, a dome lamp MCU processor, a power supply chip, an LED control chip, 3 LED lamps and keys, wherein 2 LED lamps correspond to the reading lamp key assembly, and the other 1 LED lamp corresponds to the warning lamp key assembly;
the microphones are connected with an A2B chip, the A2B chip is connected with a filter circuit, and the filter circuit is connected with the connector.
3. The vehicle reading light microphone assembly of claim 2, wherein the number of microphones is at most 4.
4. The vehicle reading light microphone assembly of claim 2, wherein the A2B chip is AD 242X.
5. The vehicle reading light microphone assembly of claim 2, wherein the dome light MCU processor is a912ZVLA 64.
6. The vehicle reading light microphone assembly of claim 2, wherein the ceiling light MCU processor has a supply voltage of 3.3V.
7. The vehicle reading light microphone assembly of claim 1, wherein the reading light button assembly comprises: the novel LED reading lamp comprises a reading lamp silica gel pad (6), a reading lamp light guide column (5), a reading lamp support (4) and a reading lamp key (3), wherein the reading lamp key (3), the reading lamp support (4), the reading lamp light guide column (5) and the reading lamp silica gel pad (6) are sequentially installed on a dome lamp middle shell (12) from top to bottom.
8. The vehicle reading light microphone assembly of claim 1, wherein the warning light button assembly comprises: the warning lamp comprises a warning lamp key (7), a warning lamp support (8) and a warning lamp silica gel pad (9), wherein the warning lamp key (7), the warning lamp support (8) and the warning lamp silica gel pad (9) are sequentially arranged on a top lamp middle shell (12) from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121944275.2U CN215944427U (en) | 2021-08-18 | 2021-08-18 | On-vehicle reading lamp microphone assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121944275.2U CN215944427U (en) | 2021-08-18 | 2021-08-18 | On-vehicle reading lamp microphone assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215944427U true CN215944427U (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121944275.2U Active CN215944427U (en) | 2021-08-18 | 2021-08-18 | On-vehicle reading lamp microphone assembly |
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| CN (1) | CN215944427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771747A (en) * | 2021-08-18 | 2021-12-10 | 兴科迪科技（泰州）有限公司 | On-vehicle reading lamp microphone assembly |
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2021
- 2021-08-18 CN CN202121944275.2U patent/CN215944427U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771747A (en) * | 2021-08-18 | 2021-12-10 | 兴科迪科技（泰州）有限公司 | On-vehicle reading lamp microphone assembly |
| CN113771747B (en) * | 2021-08-18 | 2024-07-19 | 兴科迪科技（泰州）有限公司 | Vehicle-mounted reading lamp microphone assembly |
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