Novel multifunctional automobile wireless intelligent transmitting circuit

By installing a display screen on the rear window of the car and connecting it to the vehicle's infotainment system, and utilizing bus receiving and Bluetooth transmitting circuits to display the driver's intentions in real time, the problem of the lack of intelligent configuration in high-end electric vehicles is solved, thus improving the user experience.

CN224045102UActive Publication Date: 2026-03-27杨清涛
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-15
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Current cars lack intelligent features that display the driver's intentions on the rear side windows, especially in high-end electric vehicles, where the headlight display function is expensive and rarely available as an option.

Method used

A display screen is installed inside the rear window of the car and connected to the vehicle's infotainment system via a main control chip. It uses a bus receiving circuit to obtain vehicle information and a Bluetooth transmitting circuit to synchronize the information to the display screen in real time.

Benefits of technology

It enables real-time display of the driver's intentions, enhancing the versatility of the car's intelligent features and the user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel multifunctional automobile wireless intelligent transmitting circuit which comprises a master control circuit, a bus receiving circuit, a Bluetooth transmitting circuit, a power supply circuit and a display screen. The main control circuit board comprises a main control chip, two input and output pins of the main control chip are connected with the power supply circuit through the bus receiving circuit, the power supply circuit is connected with an automobile bus, and the main control chip can synchronously obtain automobile information in real time through the bus receiving circuit. Two input and output pins of the main control chip are connected with the display screen through the Bluetooth transmitting circuit, and the main control chip can synchronously transmit information to the display screen in real time through the Bluetooth transmitting circuit and display the information on the display screen.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile, especially a new type of multifunctional automobile wireless intelligent sending circuit. BACKGROUND

[0002] With the intelligent degree of automobile higher and higher, more and more people realize the importance of automobile intelligent, now many automobile refitting also begin to incline to intelligent aspect and provide more comfortable item configuration. The existing more high -end electric vehicle will have intelligent car language system, that is, utilize the pixel headlamp to show the will of driver on the car light, and the price of a such car light is relatively higher, and for more vehicles even does not have the opportunity of optional equipment, therefore need a kind of through setting display screen in the rear side window of automobile, and the display screen is connected with the car system, so that the car system can show and output the will of driver through the display screen new type of multifunctional automobile wireless intelligent sending circuit. SUMMARY

[0003] The utility model discloses a kind of new type of multifunctional automobile wireless intelligent sending circuit, including main control circuit, bus receiving circuit, bluetooth sending circuit, power supply circuit and display screen.

[0004] The utility model provides a new type of multifunctional automobile wireless intelligent sending circuit, including main control circuit, bus receiving circuit, bluetooth sending circuit, power supply circuit and display screen;

[0005] The main control circuit includes a main control chip, two input and output pins of the main control chip are connected with the power supply circuit by the bus receiving circuit, the power supply circuit is connected with the automobile bus, and the main control chip can obtain the information of the automobile in real time by the bus receiving circuit;

[0006] Two input and output pins of the main control chip are connected with the display screen by the bluetooth sending circuit, and the main control chip can send information to the display screen in real time by the bluetooth sending circuit and display information on the display screen.

[0007] Preferably, it further includes an ODA upgrade circuit, the ODA upgrade circuit includes a pin J1, two input and output pins of the main control chip are connected with the pin J1, and an external device can be connected with the main control chip by the pin J1 and upgrade the program in the main control chip.

[0008] Preferably, the Bluetooth sending circuit comprises a Bluetooth module U5 and an antenna circuit, the antenna circuit comprises capacitors C14 and C16, a resistor R5 and an antenna ANT1, two input and output pins of the Bluetooth module U5 are connected with two input and output pins of the master control chip for communication with the master control chip, one of the input and output pins of the Bluetooth chip U5 is connected with the antenna ANT1 through the resistor R5, and the resistor R5 is grounded through the capacitors C14 and C16 respectively.

[0009] Preferably, the Bluetooth module U5 is of the model ECB01C.

[0010] Preferably, the Bluetooth sending circuit further comprises a first signal lamp circuit and a second signal lamp circuit, the first signal lamp circuit comprises a resistor R7 and a light emitting diode D3, one of the input and output pins of the Bluetooth module U5 is connected with the light emitting diode D3 through the resistor R7 and then grounded, and the second signal lamp circuit comprises a resistor R6 and a light emitting diode D2, one of the input and output pins of the Bluetooth module U5 is connected with the light emitting diode D2 through the resistor R6 and then grounded.

[0011] Preferably, the bus receiving circuit comprises a bus receiving chip U4, and the bus receiving chip U4 is of the model SIT1044QT.

[0012] Preferably, the master control chip U3 is of the model STM32G0B1CBT6.

[0013] The novel multifunctional automobile wireless intelligent sending circuit has the advantages that:

[0014] 1. The bus receiving circuit is arranged, so that the master control chip U3 can acquire various information of the automobile through the bus receiving circuit and process the acquired information.

[0015] 2. The Bluetooth sending circuit is arranged, so that the master control chip U3 can send the received information to the display screen and display the information to be displayed through the display screen, thereby meeting the actual use needs of customers. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a circuit diagram of the novel multifunctional automobile wireless intelligent sending circuit.

[0017] Figure 2 It is a circuit diagram of the power supply circuit of the novel multifunctional automobile wireless intelligent sending circuit.

[0018] The implementation, functional characteristics and advantages of the novel multifunctional automobile wireless intelligent sending circuit will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0019] It should be understood that the specific embodiments described herein are merely for the purpose of illustration and are not intended to limit the present application.

[0020] With reference to Figure 1 and Figure 2 , an embodiment of the novel multifunctional automobile wireless intelligent sending circuit of the present application is proposed:

[0021] A novel multifunctional automobile wireless intelligent sending circuit, comprising a main control circuit, a bus receiving circuit, a Bluetooth sending circuit, a power supply circuit, an ODA upgrading circuit and a display screen.

[0022] The main control circuit comprises a main control chip U3, and the model of the main control chip U3 is STM32G0B1CBT6. The ODA upgrading circuit comprises a pin J1, two input and output pins of the main control chip U3 are connected with the pin J1, and an external device can be connected with the main control chip U3 through the pin J1 and perform ODA upgrading on the program in the main control chip U3.

[0023] The bus receiving circuit comprises a bus receiving chip U4, and the model of the bus receiving chip U4 is SIT1044QT. The TXD and RXD pins of the bus receiving chip U4 are connected with two input and output pins of the main control chip U3, the CANH and CANL pins of the bus receiving chip U4 are connected with the power supply circuit and connected with the automobile bus through the power supply circuit. The main control chip U3 can obtain the information of the automobile through the bus receiving circuit.

[0024] The Bluetooth sending circuit comprises a Bluetooth module U5, an antenna circuit, a first signal lamp circuit and a second signal lamp circuit. The model of the Bluetooth module U5 is ECB01C, the antenna circuit comprises capacitors C14 and C16, a resistor R5 and an antenna ANT1. The RXD and TXD pins of the Bluetooth module U5 are connected with two input and output pins of the main control chip U3 for communication with the main control chip U3, the RF pin of the Bluetooth chip U5 is connected with the antenna ANT1 through the resistor R5, and the resistor R5 is grounded through the capacitors C14 and C16 respectively. The main control chip U3 is connected with the display screen through the Bluetooth module U5.

[0025] The first signal lamp circuit comprises a resistor R7 and a light emitting diode D3, and the STA pin of the Bluetooth module U5 is connected with the light emitting diode D3 through the resistor R7 and then grounded. The second signal lamp circuit comprises a resistor R6 and a light emitting diode D2, and the LED pin of the Bluetooth module U5 is connected with the light emitting diode D2 through the resistor R6 and then grounded.

[0026] When in use, the main control chip U3 receives the information of the automobile bus through the bus receiving circuit, and then sends the information to the display screen through the Bluetooth sending circuit, so as to display the message through the display screen, including but not limited to steering information, brake information and other some self-set greetings.

[0027] The above merely describes preferred embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct or indirect application in other related technical fields based on the content of the present application specification and drawings are also included in the patent protection scope of the present application.

Claims

1. A novel multifunctional automobile wireless intelligent sending circuit, characterized in that, It comprises a main control circuit, a bus receiving circuit, a Bluetooth sending circuit, a power supply circuit and a display screen. The main control circuit comprises a main control chip, two input and output pins of the main control chip are connected with the power supply circuit through the bus receiving circuit, the power supply circuit is connected with the automobile bus, and the main control chip can obtain the information of the automobile through the bus receiving circuit. Two input and output pins of the main control chip are connected with the display screen through the Bluetooth sending circuit, and the main control chip can send information to the display screen through the Bluetooth sending circuit and display the information on the display screen.

2. The new multifunctional wireless intelligent sending circuit for automobiles of claim 1, characterized by, It also comprises an ODA upgrade circuit, the ODA upgrade circuit comprises a pin J1, two input and output pins of the main control chip are connected with the pin J1, and an external device can be connected with the main control chip through the pin J1 and perform ODA upgrade on the program in the main control chip.

3. The new multifunctional wireless intelligent sending circuit for automobiles of claim 1, characterized by, The Bluetooth sending circuit comprises a Bluetooth module U5 and an antenna circuit, the antenna circuit comprises capacitors C14 and C16, a resistor R5 and an antenna ANT1, two input and output pins of the Bluetooth module U5 are connected with two input and output pins of the main control chip for communication with the main control chip, one of the input and output pins of the Bluetooth chip U5 is connected with the antenna ANT1 through the resistor R5, and the resistor R5 is grounded through the capacitors C14 and C16 respectively.

4. The novel multifunctional wireless intelligent transmitting circuit for automobiles according to claim 3, characterized in that, The model of the Bluetooth module U5 is ECB01C.

5. The new multifunctional wireless intelligent sending circuit for vehicles of claim 3, wherein, The Bluetooth sending circuit further comprises a first signal lamp circuit and a second signal lamp circuit, the first signal lamp circuit comprises a resistor R7 and a light emitting diode D3, one of the input and output pins of the Bluetooth module U5 is connected with the light emitting diode D3 through the resistor R7 and then grounded, and the second signal lamp circuit comprises a resistor R6 and a light emitting diode D2, one of the input and output pins of the Bluetooth module U5 is connected with the light emitting diode D2 through the resistor R6 and then grounded.

6. The new multifunctional wireless intelligent sending circuit for automobiles of claim 1, wherein The bus receiving circuit comprises a bus receiving chip U4, and the model of the bus receiving chip U4 is SIT1044QT.

7. The new multifunctional wireless intelligent sending circuit for automobiles of claim 1, wherein The model of the main control chip U3 is STM32G0B1CBT6.