CN211671016U - Intelligent front ceiling lamp module and system integrating light control in vehicle - Google Patents
Intelligent front ceiling lamp module and system integrating light control in vehicle Download PDFInfo
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- CN211671016U CN211671016U CN202020118355.1U CN202020118355U CN211671016U CN 211671016 U CN211671016 U CN 211671016U CN 202020118355 U CN202020118355 U CN 202020118355U CN 211671016 U CN211671016 U CN 211671016U
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Abstract
The utility model discloses an intelligent front dome lamp module and system integrating the control of the lamp light in the vehicle, wherein the intelligent front dome lamp module comprises a power management unit, a CAN communication unit, an LIN communication unit, an audio decoding unit, a touch module unit and an internal LED driving unit which are respectively connected with an MCU main control unit, and the LIN communication unit is connected with an atmosphere lamp unit; the MCU main control unit is used for receiving each signal to perform data processing and outputting a control instruction; the power supply management unit is used for power supply input, voltage detection and high-side driving; the CAN communication unit is used for receiving and transmitting CAN data; the LIN communication unit is used for receiving and transmitting LIN data; the audio decoding unit is used for converting the virtual analog signal into a digital signal of 7-segment audio frequency spectrum data and communicating with the MCU main control unit; the touch module unit is used for acquiring touch signals and communicating with the MCU through the SPI; the atmosphere lamp unit comprises a plurality of atmosphere lamps connected in series.
Description
Technical Field
The utility model belongs to the technical field of the inside light illumination of vehicle, specifically relate to a light control's intelligent front dome lamp module and system in integrated car.
Background
Along with the continuous development of intelligent automobiles, the effect of the light in the automobile is not limited to functional lighting, more environment atmosphere creation, man-machine interaction, safety reminding, auxiliary driving and the like are expressed by the light, and more environment atmosphere creation, man-machine interaction, safety reminding, auxiliary driving and the like are expressed by the light. In order to realize the functions, various controllers such as a dome lamp controller, an atmosphere lamp controller and the like are more and more, and the controllers are controlled by the various controllers which are independently arranged, so that the cost is increased, and the weight of the whole vehicle is increased. In order to reduce the cost and the weight of the whole vehicle, a vehicle body domain controller which can integrate a plurality of functions is used, more functions and controls are integrated in the existing space and hardware, the cost is further reduced, and the weight is reduced.
Therefore, research and improvement on the control technology of the vehicle interior light are needed, and the occupation of the limited space of the vehicle self controller is avoided.
Disclosure of Invention
The utility model aims at providing an integrated interior light control's intelligent front dome lamp module and system in order to solve the present problem that additionally sets up interior light controller occupation space, increase vehicle weight etc..
In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme: an intelligent front dome lamp module integrating light control in a vehicle comprises an MCU (microprogrammed control unit) main control unit, a power management unit, a CAN (controller area network) communication unit, an LIN (local interconnect network) communication unit, an audio decoding unit, a touch module unit and an internal LED (light emitting diode) driving unit, wherein the MCU main control unit is respectively connected with the power management unit, the CAN communication unit, the LIN communication unit, the audio decoding unit, the touch module unit and the internal LED driving unit, and the LIN communication unit is connected with an atmosphere lamp unit;
the MCU main control unit is used for receiving each signal to perform data processing and outputting a control instruction; the power supply management unit is used for power supply input, voltage detection and high-side driving;
the CAN communication unit is used for receiving and transmitting CAN data;
the LIN communication unit is used for receiving and transmitting LIN data;
the audio decoding unit is used for converting the virtual analog signal into a digital signal of 7-segment audio frequency spectrum data and communicating with the MCU main control unit;
the touch module unit is used for acquiring touch signals and communicating with the MCU through the SPI;
the atmosphere lamp unit comprises a plurality of atmosphere lamps connected in series.
Further, a main control chip of the MCU main control unit adopts an S9S12G128/LQFP-100 model; or the LDO chip of the power management unit adopts a TPS7A6150-Q1/TO-252 model TO convert a 9-16V power supply into an available 5V power supply;
or a high-side driving chip of the power management unit adopts a model of BTS5045-1EJA/SOIC8 to drive and light the atmosphere lamp, and simultaneously, the state monitoring and the brightness adjustment are carried out on the atmosphere lamp nodes;
or the CAN transceiver of the CAN communication unit adopts a TJA1041T/SO14 model to realize the CAN communication function with the whole vehicle;
or the LIN transceiver of the LIN communication unit adopts a TJA1021T/SO8 model to realize the LIN communication function with the atmosphere lamp unit;
or an audio acquisition chip of the audio decoding unit adopts an ET7208 model, is connected through a large-screen PM5AUX audio hard wire for real-time acquisition, converts an analog signal into a digital signal and is communicated with the MCU main control unit;
or the touch chip of the touch module unit adopts a CY8C4125LQA-S433 model, and the touch point is connected with 560ohm resistors in series for water prevention;
or the internal LED driving unit adopts a PBLS6002D model, drives the backlight LED and adjusts the brightness of the backlight through a PWM Search port;
or the indicator lamp of the internal LED driving unit is directly powered by 12V, and each LED is provided with an enabling end and is reserved with an automatic switching function with a backlight lamp.
Further, the system comprises an external direct input, wherein the external direct input comprises music, switch key operation and a touch instruction, the music is interacted with the MCU main control unit through the audio decoding unit, the switch key operation is interacted with the MCU main control unit through the CAN communication unit, and the touch instruction is interacted with the MCU main control unit through the touch module unit.
Furthermore, the CAN communication device also comprises a CAN bus which is connected with the CAN communication unit.
Further, the number of atmosphere lamps in the atmosphere lamp unit is less than or equal to 32.
Furthermore, the atmosphere lamp adopts an RGB LED lamp.
The utility model also comprises an integrated vehicle interior light control system, which comprises the intelligent front top light module integrated with the vehicle interior light control, a rear top light unit, a trunk light and a lighting unit; the intelligent front dome lamp module further comprises an external LED driving unit, the external LED driving unit is respectively connected with the rear dome lamp unit, the trunk lamp and the illumination unit and is used for controlling light of the rear dome lamp unit, the trunk lamp and the illumination unit.
Further, a driver chip of the external LED driving unit adopts a PCA9745B of NXP, so that constant current driving of each external LED lamp can be realized, and brightness adjustment can be realized.
Furthermore, the rear ceiling lamp unit comprises a plurality of LED lamps which are sequentially connected in parallel; or the trunk lamp and the lighting unit comprise a plurality of LED lamps which are sequentially connected in parallel.
Further, the external LED driving unit is also connected with the atmosphere lamp unit.
Compared with the prior art, the utility model, beneficial effect is: with integrated dome lamp, car interior atmosphere lamp, sufficient lamp, the light control function integration in whole cars such as trunk lamp is in the dome lamp control module in the front, other lights in the car such as atmosphere lamp control box, the installing support of dome lamp control box etc., a housing, cost such as PCB hardware and car interior space occupy have been reduced, all control function integration of car interior lamp are on the circuit board of dome lamp control module in the front, the utilization ratio of increase main control chip and circuit board, the car interior space that each light set up the controller alone and need occupy has been reduced, the inside complexity of walking the line has been reduced, reduce development time, when reduce cost, whole car weight has more been alleviateed, reduce the energy consumption.
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Fig. 1 is a block diagram of an intelligent front dome lamp module integrated with in-vehicle light control and a system thereof.
Detailed Description
The technical scheme of the invention is further described and illustrated by specific embodiments below, so that the technical scheme is clearer and more obvious. Other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
As shown in fig. 1, the present embodiment discloses an intelligent front dome lamp module 10 integrating light control in a vehicle, which mainly includes an MCU main control unit 101, a power management unit 102, a CAN communication unit 103, a LIN communication unit 104, an audio decoding unit 105, a touch module unit 106 and an internal LED driving unit 107, where the MCU main control unit 101 is connected to the power management unit 102, the CAN communication unit 103, the LIN communication unit 104, the audio decoding unit 105, the touch module unit 106 and the internal LED driving unit 107, respectively, and the MCU main control unit 104 is connected to an atmosphere lamp unit LIN 40.
Specifically, the MCU ((Microcontroller Unit) main control Unit 101 of this embodiment is configured to receive signals sent by each Unit, perform data processing, and output a control instruction, where a main control chip of the MCU main control Unit 101 is of an NXP model S9S12G 128/LQFP-100.
The power management unit 102 of the present embodiment is used for power input, converts 12V voltage into 5V voltage available for the main control unit 101, and performs voltage detection and high-side driving. The LDO chip of the power management unit 102 adopts a TI TPS7A6150-Q1/TO-252 model TO convert a 9-16V power supply into an available 5V power supply. The high side driver chip of the power management unit 102 is of model number BTS5045-1EJA/SOIC8 of NXP (enginepu semiconductor), and drives the lighting atmosphere lamp unit 40, and simultaneously performs state monitoring and brightness adjustment on the atmosphere lamp nodes.
The CAN (controller Area network) communication unit 103 of this embodiment is used for receiving and transmitting CAN data. The CAN communication unit 103CAN transceiver adopts the model of NXP TJA1041T/SO14 to realize the function of CAN communication with the whole vehicle.
The LIN (local Interconnect network) communication unit 104 of the present embodiment is configured to receive and transmit LIN data, receive a LIN signal from the MCU main control unit 101, and transmit the LIN signal to the atmosphere lamp unit 40. The LIN transceiver of the LIN communication unit 104 adopts model NXP TJA1021T/SO8 to realize the LIN communication function with the atmosphere lamp unit 40.
The audio decoding unit 105 of this embodiment is configured to convert the virtual analog signal into a digital signal of 7 segments of audio spectrum data, and communicate with the MCU main control unit. An audio acquisition chip of the audio decoding unit 105 adopts an ET7208 model of ETEK, acquires audio in real time through large-screen PM5AUX audio hard-line connection, converts analog signals into digital signals, and communicates with the MCU main control unit 101. The audio decoding unit 105 is connected with the external direct input 30 through an AUX audio line, converts virtual analog signals into digital signals of 7-segment audio frequency spectrum data, communicates with the MCU main control unit 101, carries out algorithm editing through the MCU main control unit 101, and sends music of the external direct input 30 to the atmosphere lamp unit 40 through the LIN communication unit 104, so that the real-time color and brightness following rhythm of the atmosphere lamp unit is realized.
The touch module unit 106 of this embodiment is configured to collect a touch signal and communicate with the MCU main control unit through an SPI (serial peripheral interface). The touch chip of the touch module unit 106 is preferably designed to adopt model CY8C4125LQA-S433 of CPRESS, and the touch point is connected with 560ohm resistor in series as a waterproof function.
In this embodiment, the internal LED driving unit 107 drives the backlight LED by using PBLS6002D, and adjusts the brightness of the backlight through the PWM Search port.
In this embodiment, the functional lamp of the internal LED driving unit 107 is directly powered by 12V, and each LED has an enable terminal and reserves an automatic switching function with a backlight. The internal LED driving unit drives the backlight LEDs using PBLS6002D chips and adjusts the brightness of the backlight through PWMSearch ports (pulse width modulation). The internal driving unit 107 drives the backlight, the ambient light, and the function indicator light through the external direct input 30 and the MCU main control unit 101 input.
The intelligent front dome lamp module 40 of this embodiment further includes a CAN bus 20, and is connected to the CAN communication unit 104, and transmits an external signal to the CAN communication unit 104 through CAN H and CAN L.
The atmosphere lamp unit 40 in this embodiment is composed of 1 to N atmosphere lamps, and is installed at each position in the vehicle. The atmosphere lamp is preferably an RGB LED lamp. The number N of the atmosphere lamps in the atmosphere lamp unit is preferably 32 or less. The atmosphere lamp unit 40 further comprises an atmosphere lamp chip connected with the atmosphere lamp, the chip adopts MLX81106/7/8/9 series model of Melexi chip, the control is carried OUT through LIN signal instruction of the intelligent front dome lamp, and atmosphere lamp nodes are connected IN series through LIN IN and LIN OUT.
The intelligent front dome lamp module 40 integrating the light control in the vehicle further includes an external direct input 30, where the external direct input 30 includes music, key operation, touch instruction, and the like, where the music is interacted with the MCU main control unit through the audio decoding unit, and the audio decoding unit 105 is connected with the external direct input 30 through an aux (audio) audio line; the switch key operation is carried out by interaction between the CAN communication unit and the MCU main control unit, and the touch instruction is carried out by interaction between the touch module unit and the MCU main control unit.
The embodiment also provides a system for integrating the lighting control in the vehicle, which comprises an intelligent front ceiling light module 40 integrating the lighting control in the vehicle, a rear ceiling light unit 50, a trunk light and a lighting unit 60; the intelligent front dome lamp module 40 further comprises an external LED driving unit 108, which is respectively connected with the rear dome lamp unit 50, the trunk lamp and the illumination unit 60 through hard wires, and is used for controlling the light of the rear dome lamp unit 50, the trunk lamp and the illumination unit 60. The control functions of the rear dome lamp unit 50, the trunk lamp and the illumination unit 60 are integrated in the front dome lamp module, and are controlled and driven by the front dome lamp module.
The driving chip of the external LED driving unit 108 of this embodiment adopts PCA9745B of NXP, which can realize constant current (maximum 57mA) driving of each external LED lamp and realize brightness adjustment. The external LED driving unit 108 controls the light of the rear dome lamp unit, the trunk lamp and the lighting unit through the external direct input 30 and the MCU main control unit 101.
The back dome lamp unit of this embodiment includes the parallelly connected LED lamp of a plurality of in proper order. The trunk lamp and the lighting unit of the embodiment comprise a plurality of LED lamps which are sequentially connected in parallel.
The external LED driving unit 108 of this embodiment is further connected to the ambience lamp unit 40.
The above is the preferred embodiment of the present invention, and the protection scope of the present invention is not limited, and the deformation and improvement made by the design idea of the present invention for those skilled in the art should be considered as the protection scope of the present invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (10)
1. An intelligent front dome lamp module integrating light control in a vehicle is characterized by comprising an MCU (microprogrammed control unit), a power management unit, a CAN (controller area network) communication unit, an LIN (local interconnect network) communication unit, an audio decoding unit, a touch module unit and an internal LED (light emitting diode) driving unit, wherein the MCU is respectively connected with the power management unit, the CAN communication unit, the LIN communication unit, the audio decoding unit, the touch module unit and the internal LED driving unit, and the LIN communication unit is connected with an atmosphere lamp unit;
the MCU main control unit is used for receiving each signal to perform data processing and outputting a control instruction;
the power supply management unit is used for power supply input, voltage detection and high-side driving;
the CAN communication unit is used for receiving and transmitting CAN data;
the LIN communication unit is used for receiving and transmitting LIN data;
the audio decoding unit is used for converting the virtual analog signal into a digital signal of 7-segment audio frequency spectrum data and communicating with the MCU main control unit;
the touch module unit is used for acquiring touch signals and communicating with the MCU through the SPI;
the atmosphere lamp unit comprises a plurality of atmosphere lamps connected in series.
2. The intelligent front dome lamp module integrated with the lighting control in the vehicle as claimed in claim 1, wherein a main control chip of the MCU main control unit adopts a model of S9S12G 128/LQFP-100;
or the LDO chip of the power management unit adopts a TPS7A6150-Q1/TO-252 model TO convert a 9-16V power supply into an available 5V power supply;
or a high-side driving chip of the power management unit adopts a model of BTS5045-1EJA/SOIC8 to drive and light the atmosphere lamp, and simultaneously, the state monitoring and the brightness adjustment are carried out on the atmosphere lamp nodes;
or the CAN transceiver of the CAN communication unit adopts a TJA1041T/SO14 model to realize the CAN communication function with the whole vehicle;
or the LIN transceiver of the LIN communication unit adopts a TJA1021T/SO8 model to realize the LIN communication function with the atmosphere lamp unit;
or an audio acquisition chip of the audio decoding unit adopts an ET7208 model, acquires in real time through large-screen PM5AUX audio hard-line connection, converts an analog signal into a digital signal, and communicates with the MCU main control unit;
or the touch chip of the touch module unit adopts a CY8C4125LQA-S433 model, and the touch point is connected with 560ohm resistors in series for water prevention;
or the internal LED driving unit adopts a PBLS6002D model, drives the backlight LED and adjusts the brightness of the backlight through a PWM Search port;
or the indicator lamp of the internal LED driving unit is directly powered by 12V, and each LED is provided with an enabling end and is reserved with an automatic switching function with a backlight lamp.
3. The intelligent front dome lamp module integrated with the lighting control in the vehicle as claimed in claim 1, further comprising an external direct input, wherein the external direct input comprises music, a switch key operation and a touch instruction, the music is interacted with the MCU main control unit through the audio decoding unit, the switch key operation is interacted with the MCU main control unit through the CAN communication unit, and the touch instruction is interacted with the MCU main control unit through the touch module unit.
4. The intelligent front dome lamp module integrated with interior lighting control of claim 1, further comprising a CAN bus connected with the CAN communication unit.
5. The intelligent front dome lamp module of integrated in-vehicle light control of claim 1, wherein the number of ambience lamps in the ambience lamp unit is less than or equal to 32.
6. The intelligent front dome lamp module of integrated in-vehicle light control of claim 1, wherein the atmosphere lamp is an RGB LED lamp.
7. A system for integrated in-vehicle lighting control, comprising the intelligent front dome light module, the rear dome light unit, the trunk light and the lighting unit of integrated in-vehicle lighting control according to any one of claims 1 to 6; the intelligent front dome lamp module further comprises an external LED driving unit, the external LED driving unit is respectively connected with the rear dome lamp unit, the trunk lamp and the illumination unit and is used for controlling light of the rear dome lamp unit, the trunk lamp and the illumination unit.
8. The system for integrating lighting control in a vehicle as claimed in claim 7, wherein the driving chip of the external LED driving unit adopts a PCA9745B of NXP, so as to realize constant current driving of the external LED lamps and realize brightness adjustment.
9. The system of claim 7 or 8, wherein the back ceiling light unit comprises a plurality of LED lights connected in parallel in sequence; or the trunk lamp and the lighting unit comprise a plurality of LED lamps which are sequentially connected in parallel.
10. The system of claim 7 or 8, wherein the external LED driver unit is further connected to the ambience light control unit.
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| CN202020118355.1U CN211671016U (en) | 2020-01-19 | 2020-01-19 | Intelligent front ceiling lamp module and system integrating light control in vehicle |
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| CN202020118355.1U CN211671016U (en) | 2020-01-19 | 2020-01-19 | Intelligent front ceiling lamp module and system integrating light control in vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113207210A (en) * | 2021-04-08 | 2021-08-03 | 一汽奔腾轿车有限公司 | Multi-color adjustable atmosphere lamp control system and control method |
| CN114245548A (en) * | 2021-12-20 | 2022-03-25 | 复旦大学 | Atmosphere lamp control system based on W2R and atmosphere lamp |
-
2020
- 2020-01-19 CN CN202020118355.1U patent/CN211671016U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113207210A (en) * | 2021-04-08 | 2021-08-03 | 一汽奔腾轿车有限公司 | Multi-color adjustable atmosphere lamp control system and control method |
| CN114245548A (en) * | 2021-12-20 | 2022-03-25 | 复旦大学 | Atmosphere lamp control system based on W2R and atmosphere lamp |
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