CN211710716U - Commercial car turn alarm device - Google Patents
Commercial car turn alarm device Download PDFInfo
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- CN211710716U CN211710716U CN202020258238.5U CN202020258238U CN211710716U CN 211710716 U CN211710716 U CN 211710716U CN 202020258238 U CN202020258238 U CN 202020258238U CN 211710716 U CN211710716 U CN 211710716U
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Abstract
The utility model discloses a commercial car turn alarm device, including turning to banks spare, switch signal acquisition module, controller, LIN communication module, CAN communication module and sound alarm, turning to banks spare and being connected with the controller through switch signal acquisition module, the controller is connected with sound alarm through LIN communication module, and the controller is connected with CAN communication module, and CAN communication module is used for transmitting speed of a motor vehicle signal, and sound alarm disposes the outside at the vehicle. The utility model provides an alarm device has configured switch signal acquisition module and LIN communication module, based on the multiunit signal input port of configuration on the switch signal acquisition module, under the condition that does not change switch signal acquisition module and controller relation of connection, easily expand the kind of functional unit, has reduced the system design complexity.
Description
Technical Field
The embodiment of the utility model provides a relate to vehicle engineering technique, especially relate to a commercial car turning alarm device.
Background
The types of commercial vehicles include all trucks and passenger cars with more than nine seats, and in the production and design process of the commercial vehicles, how to improve the performance and the use safety of the commercial vehicles is an important link.
At present, in order to ensure the safety of the commercial vehicle, manufacturers may configure various sound alarms on the vehicle, such as a sound alarm for fuel theft prevention, a sound alarm for urea theft prevention, a sound alarm for battery theft prevention, and the like, but different kinds of sound alarms all need to be configured with independent alarm function units, and the system layout complexity is high, and the cost is high.
Therefore, a warning device which can meet the requirement of GB 7258 on the right turn warning function of a vehicle, has a small number of sound alarms and can meet other types of warning requirements is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a commercial car turning alarm device to realize reducing sound siren quantity, reduce the system and lay the complexity, reduction in production cost under the prerequisite that satisfies required warning requirement.
The embodiment of the utility model provides a commercial vehicle turning alarm device, which comprises a turning lamp component, a switch signal acquisition module, a controller, a LIN communication module, a CAN communication module and a sound alarm,
the steering lamp assembly is connected with the controller through the switch signal acquisition module, the controller is connected with the sound alarm through the LIN communication module, the controller is connected with the CAN communication module, the CAN communication module is used for transmitting vehicle speed signals,
the audible alarm is disposed outside of the vehicle.
Furthermore, the reversing lamp assembly is connected with the controller through the switch signal acquisition module.
Further, the device also comprises a position lamp assembly, and the position lamp assembly is connected with the controller through the switch signal acquisition module.
Furthermore, the oil tank assembly is connected with the controller through the switch signal acquisition module.
Furthermore, the device also comprises a urea box component, and the urea box component is connected with the controller through the switch signal acquisition module.
Compared with the prior art, the beneficial effects of the utility model reside in that: the alarm device is provided with a switch signal acquisition module and an LIN communication module, the controller is connected with a steering lamp component on the vehicle through the switch signal acquisition module, receives switch information of the steering lamp through the controller, and sends an alarm control instruction to the sound alarm through the LIN communication module. Based on the multiple groups of signal input ports configured on the switch signal acquisition module, the types of the functional components are easily expanded under the condition that the connection relation between the switch signal acquisition module and the controller is not changed, and the complexity of system design is reduced. The controller is connected with the sound alarm through the LIN communication module, and serial communication between the controller and the sound alarm is realized through the LIN bus, so that the design cost is reduced.
Drawings
FIG. 1 is a block diagram showing an alarm device according to an embodiment;
FIG. 2 is a block diagram showing another alarm device according to the embodiment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a block diagram showing a structure of an alarm device in an embodiment, and referring to fig. 1, the alarm device in this embodiment includes a turn signal lamp assembly 1, a switching signal acquisition module 2, a controller 3, a LIN communication module 4, a CAN communication module 5, and a sound alarm 6.
The turn signal lamp assembly 1 is connected with a controller 3 through a switch signal acquisition module 2, the controller 3 is connected with a sound alarm 6 through a LIN communication module 4, the controller 3 is connected with a CAN communication module 5, and the CAN communication module 5 is used for transmitting a vehicle speed signal. The acoustic alarm 6 is disposed outside the vehicle.
For example, in this embodiment, the switch signal acquisition module 2 is configured with a general signal input/output interface, such as a GPIO interface, and an SPI interface, an I2C interface, or a serial port, and the switch signal acquisition module 2 is connected to the functional components on the vehicle and the controller 3 through the general signal input/output interface, and for example, the controller 3 in this embodiment includes a vehicle controller (Electronic Control Unit, ECU) and an MCU. Switch signal acquisition module 2 still disposes the CAN interface, and switch acquisition module 2 realizes CAN signal communication through the CAN interface with the vehicle.
As an alternative, in this embodiment, the signal selected by the switching signal acquisition module 2 is LPC2290, and the controller 3 is an ECU.
Specifically, the turn signal lamp assembly 1 includes a turn signal lamp and a turn signal lamp control switch, the turn signal lamp control switch is used for controlling the turning on or off of the left turn signal lamp or the right turn signal lamp, and the turn signal lamp control switch is connected with a P0.0 port (GPIO port) of the switch signal acquisition module 2. The switch signal acquisition module 2 acquires a switch signal of the steering lamp control switch through a P0.0 port. The switch signal acquisition module 2 is in communication connection with the controller 3 through a P2.30 port (GPIO port), and the switch signal acquisition module 2 sends a switch signal to the controller 3 through the P2.30 port. The switch signal acquisition module 2 is connected with the CAN communication module 5 through a CAN port, and acquires vehicle speed data measured by the vehicle speed sensor through the CAN communication module 5. The switch signal acquisition module 2 is connected with the sound alarm 6 through the LIN communication module 4, and sends a control instruction to the sound alarm 6 through an LIN bus in the LIN communication module 4.
Illustratively, the working process of the alarm device in this embodiment includes:
And 2, receiving the vehicle speed data sent by the vehicle speed sensor by the controller 3, and judging whether the current vehicle speed is less than 40 Km/h.
And 3, if the driver turns on the right turn light and the current speed is less than 40Km/h, the controller 3 controls the sound alarm 6 to send out an alarm prompt tone.
In this embodiment, the alarm device is provided with a switch signal acquisition module and an LIN communication module, the controller is connected with a turn signal assembly on the vehicle through the switch signal acquisition module, receives switch information of the turn signal through the controller, and sends an alarm control instruction to the sound alarm through the LIN communication module. Based on the multiple groups of signal input ports configured on the switch signal acquisition module, the types of the functional components are easily expanded under the condition that the connection relation between the switch signal acquisition module and the controller is not changed, and the complexity of system design is reduced. The controller is connected with the sound alarm through the LIN communication module, and serial communication between the controller and the sound alarm is realized through the LIN bus, so that the design cost is reduced.
Example two
Fig. 2 is a structural block diagram of another alarm device in the embodiment, referring to fig. 2, on the basis of the first embodiment, in this embodiment, the model of the switch signal acquisition module 2 is LPC2290, the alarm device further includes a backup light assembly 7, and the backup light assembly 7 is connected with the controller 3 through the switch signal acquisition module 2.
Specifically, the backup lamp assembly 7 includes a backup lamp and a backup lamp control switch, the backup lamp control switch is used for controlling the start or the stop of the backup lamp, and the backup lamp control switch is connected with a P0.1 port (GPIO port) of the switching signal acquisition module 2. The switch signal acquisition module 2 acquires a switch signal of the reversing light control switch through a P0.1 port.
And the position lamp component 8 is further included, and the position lamp component 8 is connected with the controller 3 through the switch signal acquisition module 2.
Specifically, the position lamp assembly 8 includes a position lamp and a position lamp control switch, the position lamp control switch is used for controlling the position lamp to be turned on or turned off, and the position lamp control switch is connected with a P0.2 port (GPIO port) of the switch signal acquisition module 2. And the switching signal acquisition module 2 acquires a switching signal of the position lamp control switch through a P0.2 port.
The device also comprises an oil tank assembly 9, wherein the oil tank assembly 9 is connected with the controller 3 through the switch signal acquisition module 2.
Illustratively, the oil tank assembly 9 includes an ultrasonic sensor, the ultrasonic sensor is installed at the oil tank bracket, the ultrasonic sensor is connected with the power port and the GPIO port of the switch signal acquisition module 2, the switch signal acquisition module 2 supplies power to the ultrasonic sensor through the power port, and the switch signal acquisition module 2 receives the measurement signal of the ultrasonic sensor through the GPIO port. When the switching signal acquisition module 2 is configured with the oil tank assembly, the switching signal acquisition module 2 is further connected with a vehicle door controller, the vehicle door controller is used for controlling the opening and closing of a vehicle door, and the switching signal acquisition module 2 acquires a switching signal of the vehicle door through the GPIO port.
The device further comprises a urea box assembly 10, and the urea box assembly 10 is connected with the controller 3 through the switch signal acquisition module 2.
Specifically, urea case subassembly 10 includes level sensor, and level sensor places in the inside of urea case, and level sensor is connected with switching signal acquisition module 2's power port and GPIO port, and switching signal acquisition module 2 supplies power for level sensor through the power port, and switching signal acquisition module 2 receives level sensor's measuring signal through the GPIO port.
Illustratively, the working process of the alarm device in this embodiment includes:
the controller 3 receives a switching signal of a reversing lamp and judges whether a driver is in a reversing state or not according to the switching signal of the reversing lamp; receiving a switching signal of the position lamp, and judging whether the vehicle is driven at night according to the switching signal of the position lamp; receiving a switching signal of a steering lamp, and judging whether to turn on a right steering lamp according to the switching signal of the steering lamp; and receiving vehicle speed data sent by a vehicle speed sensor, and judging whether the current vehicle speed is less than 40 Km/h.
If the current vehicle speed is greater than 40Km/h, the controller 3 does not need a control instruction for the audible alarm 6, and the audible alarm does not emit an alarm prompt tone.
If the current speed is less than 40Km/h, the gear of the vehicle is a forward gear, the driver turns on the right steering lamp, and the position lamp is turned off, the controller 3 generates a daytime right-turning alarm control instruction, and the sound alarm 6 gives a right-turning alarm prompt.
If the current speed is less than 40Km/h, the gear of the vehicle is a forward gear, the driver turns on the right steering lamp and the position lamp, the controller 3 generates a night right-turning alarm control instruction, and the sound alarm 6 gives a right-turning alarm prompt. The daytime right turn warning control command is different from the nighttime right turn warning control command in that the daytime right turn warning sound is loud.
If the current speed is less than 40Km/h, the gear of the vehicle is reverse gear, the driver does not turn on the right steering lamp, and the position lamp is turned off, the controller 3 generates a daytime reverse alarm control instruction, and the sound alarm 6 carries out reverse alarm prompt.
If the current speed is less than 40Km/h, the gear of the vehicle is reverse gear, the driver does not turn on the right steering lamp, and the position lamp is turned on, the controller 3 generates a night reversing alarm control instruction, and the sound alarm 6 carries out reversing alarm prompt.
If the current speed is less than 40Km/h, the gear of the vehicle is reverse gear, the driver turns on the right steering lamp, and the position lamp is turned off, the controller 3 generates a backing right turn alarm control instruction in daytime, and the sound alarm 6 gives a backing right turn alarm prompt.
If the current speed is less than 40Km/h, the gear of the vehicle is reverse gear, the driver turns on the right steering lamp, the position lamp is turned on, the controller 3 generates a night reversing right-turn alarm control instruction, and the sound alarm 6 carries out reversing right-turn alarm prompt.
The controller 3 receives the opening and closing signal of the vehicle door, and judges whether the vehicle is in a locked state or not according to the opening and closing signal of the vehicle door. If the vehicle is in a locked state, the ultrasonic sensor detects that an object approaches the mailbox, and the time length of the object near the fuel tank is longer than a set threshold value, the controller 3 generates a fuel anti-theft alarm control instruction, and the sound alarm 6 performs fuel anti-theft alarm.
The controller 3 receives the opening and closing signal of the vehicle door, and judges whether the vehicle is in a locked state or not according to the opening and closing signal of the vehicle door. If the vehicle is in a locked state, the liquid level sensor detects that the urea storage amount in the urea box changes, and the liquid level descending speed exceeds a set threshold value, the controller 3 generates a urea anti-theft alarm control command, and the sound alarm 6 carries out urea anti-theft alarm.
In the embodiment, the alarm device is provided with the switch signal acquisition module and the LIN communication module, the controller is connected with the steering lamp component, the reversing lamp component, the position lamp component, the oil tank component and the urea tank component on the vehicle through the switch signal acquisition module, information interaction between each functional component and the controller is realized through the switch signal acquisition module, the situation that each functional component is provided with a mutually independent functional unit is avoided, meanwhile, the controller is connected with the sound alarm through the LIN communication module, so that each functional component shares one sound alarm, on the premise of realizing multiple alarm functions, the number of the sound alarms is reduced, and the design cost is reduced.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (5)
1. A commercial vehicle turning alarm device is characterized by comprising a steering lamp component, a switch signal acquisition module, a controller, a LIN communication module, a CAN communication module and a sound alarm,
the steering lamp assembly is connected with the controller through the switch signal acquisition module, the controller is connected with the sound alarm through the LIN communication module, the controller is connected with the CAN communication module, the CAN communication module is used for transmitting vehicle speed signals,
the audible alarm is disposed outside of the vehicle.
2. The warning device of claim 1, further comprising a reversing light assembly, wherein the reversing light assembly is connected to the controller via the switch signal acquisition module.
3. The warning device as claimed in claim 1, further comprising a position light assembly connected to said controller via said switching signal acquisition module.
4. The warning device of claim 1, further comprising a fuel tank assembly connected to the controller via the switching signal acquisition module.
5. The warning device of claim 1, further comprising a urea tank assembly, wherein the urea tank assembly is coupled to the controller via the switch signal acquisition module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258238.5U CN211710716U (en) | 2020-03-05 | 2020-03-05 | Commercial car turn alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258238.5U CN211710716U (en) | 2020-03-05 | 2020-03-05 | Commercial car turn alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211710716U true CN211710716U (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020258238.5U Active CN211710716U (en) | 2020-03-05 | 2020-03-05 | Commercial car turn alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211710716U (en) |
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2020
- 2020-03-05 CN CN202020258238.5U patent/CN211710716U/en active Active
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