CN214315708U - Domain controller system with LCD function - Google Patents
Domain controller system with LCD function Download PDFInfo
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- CN214315708U CN214315708U CN202023306748.4U CN202023306748U CN214315708U CN 214315708 U CN214315708 U CN 214315708U CN 202023306748 U CN202023306748 U CN 202023306748U CN 214315708 U CN214315708 U CN 214315708U
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Abstract
The utility model discloses a take domain controller system of LCD liquid crystal display function, its technical scheme main points are: the intelligent lamp comprises a domain controller, wherein the domain controller is electrically connected with a first information module, the first information module is electrically connected with a master controller, the domain controller is electrically connected with a display, a storage module and a warning device, the domain controller is electrically connected with a second information module, the second information module is electrically connected with a communication module, the second information module is electrically connected with front and rear lamps, the domain controller comprises a MCU1 and a MCU2, the MCU1 is electrically connected with the MCU2, and the MCU1 is respectively and electrically connected with the master controller and the front and rear lamps; the device improves the efficiency and the accuracy of lamp control; the visual picture is convenient for control the lamp state, and the after-sale service cost of the domain controller is reduced.
Description
Technical Field
The utility model relates to a car light domain controller field, in particular to take domain controller system of LCD liquid crystal display function.
Background
With the technical progress, the LCD liquid crystal rapidly occupies the market by virtue of a series of technical features such as low power consumption, light weight, high brightness, good picture quality and the like since the LCD liquid crystal is released from the market. In the fields of household liquid crystal televisions, smart phone panels, computers and the like, the LCD is widely applied; with the reduction of development thresholds and the intensive research, LCD liquid crystals are gradually entering the automotive field. The BCM and the lamp are accepted by the vehicle lamp domain controller, which is a very important part in automobile parts and a lamp control center. With the diversification of car light control modes, more and more information is processed by the domain controller, and the market demand for high-resolution displays capable of displaying characters and graphics is rapidly increasing. If the domain controller can display information and images, it is convenient for the user to refer to the real-time status of the lamps in the car, and also to diagnose if there is a malfunction. Most automobile controllers in the market are black boxes, only have lamp control functions and do not display interfaces, and unless a professional connects a computer and reads messages through professional software, a general user cannot directly acquire lamp information and even cannot inquire the state of a vehicle lamp.
Referring to the prior chinese patent publication No. CN110996471A, a vehicle lamp control system is disclosed, which includes a lamp body, a control module, and a detection module. The lamp body includes a multicolor RGB light source. The control module is in control connection with the lamp body. The detection module is used for detecting an obstacle signal behind the automobile and sending the obstacle signal to the control module, and the control module is used for controlling the light-emitting mode and/or the brightness of the multicolor RGB light source according to the obstacle signal.
The vehicle lamp control system can identify the barrier signal through the detection module and send the barrier signal to the control module, so that the control module can control the multicolor RGB light source to emit light after receiving the barrier signal, and further can automatically identify the barrier when the vehicle door is opened, and automatically control the multicolor RGB light source to emit light, thereby generating the light emitting effect of various changed colors and realizing good warning effect. However, the above-mentioned lamp control system still has some disadvantages, such as: firstly, effective control and adjustment of the lamp cannot be realized, so that the control efficiency and accuracy of the lamp are low; secondly, the parameters of the lamp cannot be visually observed, the state of the lamp cannot be mastered, and the after-sales service cost of the domain controller is increased.
SUMMERY OF THE UTILITY MODEL
To solve the above problems, the present invention provides a domain controller system with LCD display function to solve the above problems.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a take LCD display function's domain controller system, includes the domain controller, domain controller electric connection has first information module, first information module electric connection has total controller, electric connection has the display on the domain controller, electric connection has storage module and attention device on the domain controller, domain controller electric connection has the second information module, second information module electric connection has communication module, second information module electric connection has front and back lamps and lanterns, domain controller electric connection has the battery module, the battery module still in total controller electric connection, the domain controller is including MCU1 and MCU2, MCU1 with electric connection between the MCU2, MCU1 respectively with total controller with front and back lamps and lanterns are electric connection respectively.
By adopting the technical scheme, after the whole set of equipment is accessed into the automobile network, the domain controller and the master controller are connected and communicated with each other through the can bus communication and the first information module, the domain controller and the master controller receive and return the state to the master controller, and the master controller displays the version number and the part number of the master controller on the display; after the domain controller and the front and rear end lamps are connected and communicated through the lin network, the version number and the part number of the lamps are read and displayed on a display; if the front-end lamp and the rear-end lamp are in fault, the front-end lamp and the rear-end lamp send fault information to a domain controller through a lin network, and the domain controller records fault time and fault types; when the fault is repaired, the front-end lamp and the rear-end lamp can send signals to the domain controller through the lin network, the domain controller clears the current fault, and when the current fault and the historical fault records are inquired on a display interface. When the domain controller receives the OTA downloading signal, the display is switched to an OTA downloading interface and the progress bar displays the current progress; the domain controller turns off the screen at the time of hibernation, and displays an active state at the time of igon. Certainly, in the process of traveling of the automobile, in order to guarantee the safety of drivers, the operation of the domain controller is not allowed to be inquired and controlled, and the on-off state and the fault of the front-end lamp and the rear-end lamp can only be read. The SPI private communication protocol between the MCU2 and the MCU1 is independently used for display, the display mainly displays 5 contents of lamp on-off state, fault diagnosis codes, OTA upgrading progress and lamp and controller version number, 5 function codes are defined, 8 bytes of each frame of message comprise the function codes and display contents, the MCU1 sends the function codes and the contents, the MCU2 displays the contents on an interface, various messages are updated at regular time, and the display function interface can be guaranteed not to be influenced by each other and updated in real time.
Preferably, the domain controller is electrically connected to the first information module through can bus communication, and the first information module is also electrically connected to the master controller through can bus communication.
By adopting the technical scheme, the data information transmission between the domain controller and the master controller can be realized, and the message of the master controller is received.
Preferably, the domain controller is electrically connected to the second information module through a lin network, and the second information module is also electrically connected to the front and rear lamps through the lin network.
By adopting the technical scheme, the domain controller can control the front and rear lamps in command, and the feedback information is transmitted.
Preferably, a voltage regulating module is electrically arranged in the battery module, the voltage regulating module is electrically connected with the domain controller and the master controller respectively, and the voltage regulating module comprises a voltage reducing circuit and a voltage stabilizing voltage.
Through adopting above-mentioned technical scheme, can make the realization that the battery module can be stable supply power to domain controller and total controller and move, voltage reduction circuit can convert high-voltage into low-voltage, and voltage stabilizing circuit can the output of stabilizing voltage.
Preferably, the alarm adopts an acousto-optic integrated alarm device.
By adopting the technical scheme, the alarm can be given when the system breaks down, and the driver is warned that the system breaks down.
Preferably, the memory modules are at least two groups, one group of the memory modules is a ROM memory module, and the other group of the memory modules is a RAM memory module.
By adopting the technical scheme, the running program body and the running log of the system can be independently stored, and the running speed is improved.
Preferably, the MCU2 is used solely for controlling the display, the MCU2 and the MCU1 transmit data information via SPI proprietary protocol.
By adopting the technical scheme, the display can be controlled independently, the control accuracy and the control rapidity are improved, and data intercommunication can be formed between the MCU2 and the MCU 1.
Preferably, the display mainly displays the on-off state of the front and rear lamps, the fault diagnosis code, the OTA upgrade progress, and the version numbers of the front and rear lamps and the controller, and the MCU2 displays the contents on the display interface after the MCU1 sends the function code and the contents.
By adopting the technical scheme, 5 function codes are defined in the display, and 8 bytes of each message comprise the function codes and the display content, so that the timed update of various messages is realized, and the display function interfaces are not influenced by each other and can be updated in real time.
To sum up, the utility model discloses mainly have following beneficial effect:
the utility model discloses a domain controller implementation method, which uses software to realize the control of the master controller to the front and rear lamps, and improves the efficiency and accuracy of the front and rear lamps control; the visual picture is convenient for controlling the states of the front and the rear lamps, the after-sale service cost of the domain controller is reduced, and the control of the front and the rear lamps is more humanized and convenient.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention;
fig. 2 is a schematic diagram of the domain controller of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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 work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-2, a domain controller system with LCD display function includes a domain controller, the domain controller is electrically connected with a first information module, the first information module is electrically connected with a master controller, the domain controller is electrically connected with a display, the domain controller is electrically connected with a storage module and an alarm, the domain controller is electrically connected with a second information module, the second information module is electrically connected with a communication module, the second information module is electrically connected with a front and a rear lamps, the domain controller is electrically connected with a battery module, the battery module is also electrically connected with the master controller, the domain controller includes MCU1 and MCU2, the MCU1 and the MCU2 are electrically connected, and the MCU1 is respectively electrically connected with the master controller and the front and rear lamps.
By adopting the technical scheme, after the whole set of equipment is accessed into the automobile network, the domain controller and the master controller are connected and communicated with each other through the can bus communication and the first information module, the domain controller and the master controller receive and return the state to the master controller, and the master controller displays the version number and the part number of the master controller on the display; after the domain controller and the front and rear end lamps are connected and communicated through the lin network, the version number and the part number of the lamps are read and displayed on a display; if the front-end lamp and the rear-end lamp are in fault, the front-end lamp and the rear-end lamp send fault information to a domain controller through a lin network, and the domain controller records fault time and fault types; when the fault is repaired, the front-end lamp and the rear-end lamp can send signals to the domain controller through the lin network, the domain controller clears the current fault, and when the current fault and the historical fault records are inquired on a display interface. When the domain controller receives the OTA downloading signal, the display is switched to an OTA downloading interface and the progress bar displays the current progress; the domain controller turns off the screen at the time of hibernation, and displays an active state at the time of igon. Certainly, in the process of traveling of the automobile, in order to guarantee the safety of drivers, the operation of the domain controller is not allowed to be inquired and controlled, and the on-off state and the fault of the front-end lamp and the rear-end lamp can only be read. The SPI private communication protocol between the MCU2 and the MCU1 is independently used for display, the display mainly displays 5 contents of lamp on-off state, fault diagnosis codes, OTA upgrading progress and lamp and controller version number, 5 function codes are defined, 8 bytes of each frame of message comprise the function codes and display contents, the MCU1 sends the function codes and the contents, the MCU2 displays the contents on an interface, various messages are updated at regular time, and the display function interface can be guaranteed not to be influenced by each other and updated in real time.
Referring to fig. 1, for the purpose of data transmission between a domain controller and an overall controller; the domain controller is electrically connected with the first information module through can bus communication, and the first information module is also electrically connected with the master controller through can bus communication. The effect is that the data information transmission between the domain controller and the master controller can be realized, and the message of the master controller is received.
Referring to fig. 1, for the purpose of a domain controller controlling front and rear light fixtures; the domain controller is electrically connected with the second information module through a lin network, and the second information module is also electrically connected with the front and rear lamps through the lin network. The effect is that the domain controller can control the front and the rear lamps in order and transmit feedback information.
The battery module can stably supply power to the domain controller and the master controller; the battery module is internally and electrically provided with a voltage regulating module, the voltage regulating module is respectively and electrically connected with the domain controller and the master controller, and the voltage regulating module comprises a voltage reducing circuit and a voltage stabilizing voltage. The effect does, can make the realization that the battery module can be stable supply power to operation to domain controller and total controller, and step-down circuit can convert high-voltage into low-voltage, and voltage stabilizing circuit can the output of stabilizing voltage.
Referring to fig. 1, for the purpose of warning system failure; the alarm adopts a sound and light integrated alarm device. The effect is, can send out the police dispatch newspaper when the system breaks down, warn the driver that there is the trouble in system.
Referring to FIG. 1, for the purpose of making system storage non-disruptive; the storage modules are at least provided with two groups, one group of storage modules is a ROM storage module, and the other group of storage modules is a RAM storage module. The effect is that the operation program body and the operation log of the system can be stored separately, and the operation speed is improved.
Referring to fig. 2, in order to enable the domain controller to achieve the purpose of individually controlling the adjustments; the MCU2 is used for controlling the display independently, and the MCU2 and the MCU1 transmit data information through an SPI private protocol. The effect is that the display can be controlled independently, the control accuracy and the control rapidity are improved, and data intercommunication can be formed between the MCU2 and the MCU 1.
Referring to fig. 2, in order to enable the domain controller to achieve the purpose of controlling and adjusting the states of the front and rear lamps; the display mainly displays the on-off state, fault diagnosis codes, OTA upgrading progress, front and back lamps and controller version numbers of the front and back lamps, and the MCU2 displays contents on the display interface after the MCU1 sends the function codes and contents. The effect is that 5 function codes are defined in the display, and 8 bytes of each frame of message comprise the function codes and the display content, so that the timing update of various messages is realized, and the display function interfaces can be ensured not to be influenced by each other and updated in real time.
The use principle and the advantages are as follows: after the whole set of equipment is accessed into an automobile network, the domain controller and the master controller are connected and communicated with each other through the can bus communication and the first information module, and then the domain controller receives and returns the state to the master controller, and the master controller displays the version number and the part number of the master controller on a display; after the domain controller and the front and rear end lamps are connected and communicated through the lin network, the version number and the part number of the lamps are read and displayed on a display; if the front-end lamp and the rear-end lamp are in fault, the front-end lamp and the rear-end lamp send fault information to a domain controller through a lin network, and the domain controller records fault time and fault types; when the fault is repaired, the front-end lamp and the rear-end lamp can send signals to the domain controller through the lin network, the domain controller clears the current fault, and when the current fault and the historical fault records are inquired on a display interface. When the domain controller receives the OTA downloading signal, the display is switched to an OTA downloading interface and the progress bar displays the current progress; the domain controller turns off the screen at the time of hibernation, and displays an active state at the time of igon. Certainly, in the process of traveling of the automobile, in order to guarantee the safety of drivers, the operation of the domain controller is not allowed to be inquired and controlled, and the on-off state and the fault of the front-end lamp and the rear-end lamp can only be read. The SPI private communication protocol between the MCU2 and the MCU1 is independently used for display, the display mainly displays 5 contents of lamp on-off state, fault diagnosis codes, OTA upgrading progress and lamp and controller version number, 5 function codes are defined, 8 bytes of each frame of message comprise the function codes and display contents, the MCU1 sends the function codes and the contents, the MCU2 displays the contents on an interface, various messages are updated at regular time, and the display function interface can be guaranteed not to be influenced by each other and updated in real time.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A take LCD display function's domain controller system, includes domain controller, its characterized in that: the intelligent LED lamp comprises a main controller, a domain controller and a plurality of MCU2, and is characterized in that the domain controller is electrically connected with a first information module, the first information module is electrically connected with the main controller, the domain controller is electrically connected with a storage module and a warning device, the domain controller is electrically connected with a second information module, the second information module is electrically connected with a communication module, the second information module is electrically connected with front and rear lamps, the domain controller is electrically connected with a battery module, the battery module is electrically connected with the main controller, the domain controller comprises an MCU1 and an MCU2, the MCU1 is electrically connected with the MCU2, and the MCU1 is respectively electrically connected with the main controller and the front and rear lamps.
2. A domain controller system with LCD liquid crystal display function according to claim 1, characterized in that: the domain controller is electrically connected with the first information module through can bus communication, and the first information module is also electrically connected with the master controller through can bus communication.
3. A domain controller system with LCD liquid crystal display function according to claim 1, characterized in that: the domain controller is electrically connected with the second information module through a lin network, and the second information module is also electrically connected with the front and rear lamps through the lin network.
4. A domain controller system with LCD liquid crystal display function according to claim 1, characterized in that: the battery module is internally and electrically provided with a voltage regulating module, the voltage regulating module is respectively and electrically connected with the domain controller and the master controller, and the voltage regulating module comprises a voltage reducing circuit and a voltage stabilizing voltage.
5. A domain controller system with LCD liquid crystal display function according to claim 1, characterized in that: the alarm adopts a sound and light integrated alarm device.
6. A domain controller system with LCD liquid crystal display function according to claim 1, characterized in that: the storage modules are at least provided with two groups, one group of storage modules is a ROM storage module, and the other group of storage modules is a RAM storage module.
7. A domain controller system with LCD liquid crystal display function according to claim 1, characterized in that: the MCU2 is used for controlling the display independently, and the MCU2 and the MCU1 transmit data information through an SPI private protocol.
8. A domain controller system with LCD liquid crystal display function according to claim 1, characterized in that: the display mainly displays the on-off state, fault diagnosis codes, OTA upgrading progress and the front and rear lamp and controller version numbers of the front and rear lamps, and the MCU2 displays the contents on the display interface after the MCU1 sends the function codes and the contents.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023306748.4U CN214315708U (en) | 2020-12-31 | 2020-12-31 | Domain controller system with LCD function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023306748.4U CN214315708U (en) | 2020-12-31 | 2020-12-31 | Domain controller system with LCD function |
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| CN214315708U true CN214315708U (en) | 2021-09-28 |
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| CN202023306748.4U Active CN214315708U (en) | 2020-12-31 | 2020-12-31 | Domain controller system with LCD function |
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