JP3217833U - Vehicle information display device - Google Patents

Abstract

An apparatus for displaying vehicle information is provided.
An apparatus includes a data acquisition module 110 for acquiring vehicle data, an engine rotation speed, a transmission gear ratio, a vehicle speed, an engine oil temperature, an antifreeze liquid temperature, a transmission temperature, and a residual fuel oil. A processing module 120 for determining one or a plurality of vehicle parameter information in accordance with the data in the amount and acceleration time, and located on the steering wheel of the vehicle and / or on the front side of the passenger seat of the vehicle. And a display module 130 for displaying. Since the display module 130 of the above-described device is located on the front side of the steering wheel and / or the passenger seat and is closer to the driver and the auxiliary driver than the dashboard, it is more advantageous for checking the vehicle parameter information of the driver and the auxiliary driver. is there. In addition, the display module 130 does not require a reflection medium and is not easily affected by light. Cost is lower compared to existing projection HUD devices.
[Selection] Figure 1

Description

  The present invention relates to the field of vehicle technology, and more specifically to an apparatus for displaying vehicle information.

With the improvement of people's standard of living, Chinese car culture gradually formed and permeated.
Many people are no longer satisfied with owning a car, and no longer satisfied on their behalf.
With the differentiation of the market, it gradually becomes an ordinary consumer who pursues comfort and practicality, and a car remodeler who pursues individualization.

In the existing technology, various data on the vehicle state are often displayed on the dashboard.
However, the content of the data displayed on the dashboard is limited, and the position of the dashboard of the car is currently low and far away from the driver, which is inconvenient for the driver's investigation.

Other than displaying vehicle data on the dashboard, HUD (Head)
There is a method of displaying data using an Up Display or a head-up display.
However, there are a lot of deficiencies in this bill. First, HUD is divided into reflection type and projection type.
All low-rank HUDs are reflective, and they are either affixed to the windshield using a single reflective film, or a glass that acts as a reflective medium is erected, but the reflective HUD has the disadvantage of not having a good display effect. When observing, it is necessary for the eyes to focus on the reflection medium again.
The high-rank HUD is a projection type and is projected onto the windshield, giving the user the feeling that the data is displayed outside the windshield due to the refraction of the windshield, and this display effect is good. There are, however, high costs, and it is easy to get dizzy because of too much viewing.
Next, due to the limitations of the technology itself, when the sunlight is relatively strong, it is not easy to clearly see the information displayed on the HUD.

  An object of the present invention is to provide a vehicle information display device in order to solve the above problem in the existing technology.

In order to achieve the above-described object, an embodiment of the present invention provides an apparatus for displaying vehicle information.
The apparatus includes a data acquisition module for acquiring the vehicle data, an engine speed, a transmission gear ratio, a vehicle speed, an engine oil temperature, an antifreeze temperature, a transmission temperature, a fuel oil remaining amount, and an acceleration. A processing module for determining the vehicle parameter information including one or more of the time according to the data, and located on the steering wheel of the vehicle and / or on the front side of the passenger seat of the vehicle; A display module for displaying the parameter information.

  Preferably, the data acquisition module is connected to the OBD port and / or Canbus of the vehicle and acquires the data of the vehicle from the OBD port and / or Canbus.

  Preferably, the processing module is connected to one or more of a GPS chip, a gravity sensor, a 4G-LTE chip, and a BDS chip so as to obtain the vehicle position information and / or speed measurement data.

  The apparatus preferably further comprises a communication module for transferring data to and from the Internet.

  The display module preferably includes a display and / or an indicator lamp.

  The display module includes a plurality of indicator lamp groups located on a handle of the vehicle, each indicator lamp group in the plurality of indicator lamp groups includes at least one indicator lamp, and the indicator lamp group includes the vehicle It is preferable to display the rotational speed of the engine.

  The apparatus further comprises a light sensor module that determines a light intensity in the surrounding environment and generates a signal that indicates the light intensity, the processing module receives the signal from the light sensor module; In addition, it is preferable to control the display brightness of the display module according to the signal.

  The apparatus preferably includes a wireless transmission unit for transferring data between the processing module and the display module.

  The apparatus is located on a side of the handle facing the driver and is partially engraved to control the display module and display the parameter information, and to wrap the handle and the display module. It is preferable to further include a handle cover including a back cover joined to the front cover and a transparent panel attached to a hollowed portion of the front cover to protect the display module.

  The front cover and the back cover of the handle cover are connected to the display module and a base portion used to wrap the handle at a position corresponding to the display module, and the base portion extends along the handle. It is preferable that the extended part which is a part extended on both sides is included.

In the above technical scheme, the display module of the device is located on the front side of the steering wheel and / or the passenger seat and is closer to the driver and the sub driver than the dashboard. Is more advantageous.
In addition, the display module does not require a reflection medium and is not easily affected by light.
Cost is lower compared to existing projection HUD devices.

  Other features and advantages of the present invention are described in detail in the following specific embodiments.

The drawings provide a further understanding of the present invention and constitute a part of the specification and illustrate embodiments of the present invention together with the following specific embodiments. Not what you want.
In the drawing:

1 is a device for displaying vehicle information provided by an embodiment of the present invention; 3 is a device for displaying vehicle information provided by another embodiment of the present invention; FIG. 3 is an internal structural diagram of a main driver display module provided by an embodiment of the present invention. FIG. 4 is an external structure diagram of a main driver display module provided by an embodiment of the present invention. FIG. 4 is a structural diagram of a handle cover provided by an embodiment of the present invention. FIG. 4 is a structural diagram of a handle cover provided by an embodiment of the present invention. FIG. 4 is a structural diagram of a base portion of a handle cover provided by an embodiment of the present invention. FIG. 4 is a structural diagram of a front cover of a handle cover provided by an embodiment of the present invention. FIG. 4 is a structural diagram of a front cover of a handle cover provided by an embodiment of the present invention. FIG. 4 is a structural diagram of a sub-driver display module provided by an embodiment of the present invention. 1 is a power supply structure diagram of an apparatus for displaying vehicle information provided by an embodiment of the present invention.

110 Data Acquisition Module 120 Processing Module 130 Display Module 131 Main Driver Display Module 132 Sub Driver Display Module 410 Display 421, 422 Indicator Position 431 Left Button 432 Right Button

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.
It should be understood that the specific embodiments described herein are for the purpose of describing and interpreting only the embodiments of the present invention and are not intended to limit the embodiments of the present invention.

  Before describing the present invention, the technical background related to the present invention is first introduced.

1. OBD: Abbreviation for English On-Board Diagnostic. Chinese translates to “in-vehicle diagnostic system”.
This system monitors the operation status of each part of the vehicle at an arbitrary time, for example, the engine operating status, the transmission operating status, the oil injection status, the tail gas processing status, and the like.
Currently, the vast majority of vehicles use the OBD interface as a standard setting, and the OBD interface performs OBD consultations and Canbus consultations.
As a general standard, OBD consultation can only read basic data of some vehicles.
Detailed data will need to read private Canbus talks.

2. Canbus: An abbreviation for English Controller Area Network Bus, which translates Chinese into “Area Network Controller Bus”.
It is ISO11898 standard.
It is a serial bus system that connects field devices (sensors, actuators, controllers, etc.) in a manufacturing plant and points to the radio.
It is widely applied to the automobile industry and is spreading to the industrial automation industry.
About the canbus system of a car, each car manufacturer does not pass each other, and it is set as a private standard of the manufacturer.
In the vehicle, all communication between all modules is via Canbus.
Therefore, all information of the vehicle can be acquired by analyzing and reading the Canbus data.
The OBD interface can link the Canbus, and can acquire the Canbus data by the linked OBD interface.

3. GPS / BDS: GPS is an abbreviation for English Global Positioning System, and BDS is an abbreviation for English BeiDou Navigation Satellite System.
GPS is a satellite positioning system established by the United States, with a worldwide coverage rate of 98%, single machine positioning accuracy of 10 m, and speed measurement accuracy of 0.3 m / s.
BDS is a satellite positioning system built by China.
It is expected to cover the whole world in 2020, with a single machine positioning accuracy of 10m and speed measurement accuracy of 0.2m / s.
At present, GPS / BDS is widely applied to vehicle positioning and navigation.

4.4G-LTE: The fourth generation mobile phone behavioral communication standard refers to the fourth generation mobile communication technology, but the abbreviation of the foreign language is 4G.
The technology includes two formulas: TD-LTE and FDD-LTE.
4G-LTE has high-speed data transfer capability and can realize data interconnection with a server.
At the same time, it will provide AGPS function, English as Assisted Global Positioning System, and Chinese will translate into “Assisted Global Satellite Positioning System”.
The information of the mobile base station may be used, and the positioning speed is increased in accordance with the traditional GPS satellite.
The first time that the GPS signal is first captured by AGPS usually takes only a few seconds, but the initial capture time by GPS may be 2 to 3 minutes.
The positioning accuracy of AGPS is the same as that of GPS.

5. Gravity sensor: The English name is Gravity sensor and the abbreviation is G-Sensor.
It can detect a change in acceleration force, and the acceleration force is a force acting on the object in the process of accelerating the object. For example, various movement changes such as shaking, falling, rising and lowering are all G- It is converted into an electric signal by the sensor, and then the corresponding data is obtained by calculation analysis of the microprocessor.

6). Bluetooth (registered trademark): English is Bluetooth (registered trademark).
It is a wireless technology standard that enables short-range data exchange between fixed equipment, mobile equipment, and a building's private network.
Bluetooth (registered trademark) has high reliability and high availability.
Solid choice for short distance data transmission.

  7). WiFi: Called “wireless protection” or “wireless network” in Chinese, it is a technology that allows an electronic device to connect to a wireless LAN (WLAN).

8). ZigBee: Chinese translates as “Purple Bee Consultation”, which is similar to Bluetooth®.
This is a short-distance, low-power-consumption wireless communication technology that is used for sensor control applications.
Submitted by the IEEE 802.15 working group and standardized by the TG4 working group.

9. Z-Wave: Emerging, frequency-based low cost, low consumption, high reliability, short-range wireless communication technology suitable for networks.
The operating band is 908.42 MHz (USA) to 868.42 MHz (Europe), adopts FSK (BFSK / GFSK) modulation system, data transfer speed is 9.6 kbps, and the effective signal coverage is 30m indoors. Therefore, it may exceed 100m outdoors and is suitable for narrow broadband applications.

FIG. 1 shows an apparatus for displaying vehicle information provided by an embodiment of the present invention.
As shown in FIG. 1, the apparatus for displaying vehicle information includes a data acquisition module 110, a processing module 120, and a display module 130.

  The data acquisition module 110 is used to acquire vehicle data. The data acquisition module 110 connects to the vehicle's OBD port and / or Canbus, and acquires vehicle data from the vehicle's OBD port and / or Canbus. May be.

  The processing module 120 may be used to determine vehicle parameter information in accordance with vehicle data, such as engine speed, transmission gear ratio, vehicle hourly speed, engine oil temperature, antifreeze liquid One or more of the following: temperature, transmission temperature, remaining amount of fuel oil, 100 km acceleration time, and 0-400 m acceleration time.

The display module 130 may be used to display parameter information, and the display module 130 may include a main driver display module 131 and / or a sub-driver display module 132, of which a main driver display is included. The module 131 may be positioned on a vehicle handle, and the secondary driver display module 132 may be fixed to the front side of the secondary driver of the vehicle.
The driver and / or the sub-driver may check the parameter information of the vehicle through the display module.

FIG. 2 shows an apparatus for displaying vehicle information provided by another embodiment of the present invention.
As shown in FIG. 2, in one embodiment of the present invention, the vehicle information display device may include an OBD module, and the OBD module has a single chip structure.
The data acquisition module and the processing module may be integrated into the OBS module.

In this embodiment, the data acquisition module is composed of an OBD interface and a Canbus chip in the OBD module, and the CPU in the OBD module is used as a processing module to control other components and data processing in the OBD module. It is done.
The OBD interface of the OBD module is connected to the OBD interface of the vehicle, and the Canbus chip collects at a set cycle (for example, 50 ms) by the above connection, analyzes the Canbus data of the vehicle, and transfers the data to the CPU.
The vehicle's Canbus data includes the vehicle's rotational speed, speed, speed ratio, water temperature, engine oil temperature, fuel oil remaining amount, and the like.
These data can be directly output to the display module through the wireless transmission unit of the OBD module and its antenna and / or serial interface.
Among them, the wireless transmission unit may be a Bluetooth (registered trademark) module, a WiFi module, a ZigBee module, a Z-wave module, a radio frequency transmission module, or the like.

The hourly speed data obtained from the vehicle's Canbus may be inaccurate data.
When the car leaves the factory, the speed is accurate after calibration.
However, if the vehicle changes wheels or tires, the circumference of the new wheel may be greater than the original wheel, and the displayed speed of the vehicle may be lower than the current actual speed.
Conversely, when the circumference of the new wheel is smaller than the original wheel, the displayed speed of the vehicle is higher than the current actual speed.
Therefore, the numerical value of the vehicle speed read from the OBD port of the vehicle can only be used as a reference amount comparison amount.
The hourly speed may be referred to as “OBD hourly speed”.

Since the OBD speed may be inaccurate, it is necessary to measure the vehicle speed by other means and combine it with the OBD speed to obtain more accurate data and output it to the display module.
As shown in FIG. 2, the OBD module further includes a GPS chip, a BDS chip, a gravity sensor, and a 4G-LTE chip to measure the speed of the vehicle.

The CPU acquires satellite positioning via the GPS chip, GPS antenna, BDS chip, and BDS antenna, and further realizes quick positioning by the 4G-LTE chip and AGPS provided by the antenna.
After positioning, calculate the speed per hour by the displacement in unit time.
If the CPU clock has an error from the satellite clock, an error occurs when the displacement is calculated.
For example, if there is an error of 500 ms between the CPU and the satellite, the GPS-derived data received by the CPU is data after the vehicle has traveled 500 ms, but the CPU does not have this data in real time. The calculated data has an error.
Therefore, the CPU clock should be synchronized with the satellite via GPS / BDS.
However, since the radio signal undergoes a delay between the ionosphere and the convection layer, there is a certain difference between the actually measured distance A and the geometric distance B from the satellite to the receiver. Called.
For GPS / BDS, this is the first kind of situation that resulted in numerical inaccuracies due to clock synchronization.
The second type is a pseudo distance due to road undulations.
For example, a car runs on a cross bridge, the bridge has an arch shape with a large arc degree, and the change in sea level is very limited.
However, this is a plane movement when viewed from the satellite.
Here, since the displacement data given by the GPS / BDS is lower than the distance actually traveled by the vehicle, a pseudo distance occurs.
With two types of satellite positioning, GPS and BDS, the sampling rate is increased and the two types of satellite positioning are all reliable.
Therefore, two types of satellite positioning data were obtained as average values, and “average satellite positioning data” was acquired.
Data obtained by the position difference can be called “satellite speed 1”, and data obtained by the Doppler shift method can be called “satellite speed 2”.

The CPU can obtain three-axis gravity acceleration data of x, y, and z through the gravity sensor.
The x-axis is defined as the direction of moving forward and backward of the vehicle, the y-axis is defined as the direction of moving left and right of the vehicle, and the z-axis is defined as the direction of moving up and down of the vehicle.
For example, theoretically, when the vehicle moves forward along a straight direction, only the x-axis acquires data and the y-axis and z-axis data is zero.
When the vehicle changes lanes or turns, x-axis and y-axis data can be acquired simultaneously.
If the sea level changes as the vehicle crosses the bridge, the z-axis produces data.
The change in the z-axis data does not affect the calculation of the actual vehicle speed by the gravity sensor.
When the x-axis data changes, the speed is obtained by the linear velocity measurement method.
When the x-axis and y-axis data change at the same time, the data is acquired by the angular velocity measurement method and then converted into a linear velocity.
Theoretically, there is no case where there is no data on the x axis and no data is generated on the y axis.
In the CPU, the periodic interval of data collected by the gravity sensor may be, for example, 50 ms.
The hourly speed data obtained by the gravity sensor is called “G hourly speed”, and the data obtained on the z-axis is called “sea level change”.

A description will be given of how to determine and output the vehicle speed value.
First, the accuracy of “G hourly speed” is the highest and most reliable, but a single reference amount should not be the actual output standard.
"Satellite speed 1" is greatly affected by changes in the sea level of the vehicle, and the accuracy of "satellite speed 1" decreases as the sea level change increases.
The “satellite speed 2” is greatly influenced by signals, and the higher the frequency of jump occurrence, the lower the accuracy of “satellite speed 2”.
If the “altitude change” for 1 minute is 5 meters or more, it is determined that “satellite speed 1” is not accurate, and this value is ignored.
If jumps within one minute occur more than 10 times, it is determined that “satellite speed 2” is not accurate, and this value is ignored.
The stored “satellite hourly speed” and “G hourly speed” are obtained as average values, and the “CPU calculation speed” is obtained.
Comparing the CPU calculation speed and “OBS hourly speed”, if the error is 1% or less, it is recognized that “OBD hourly speed” is accurate, and “OBD hourly speed” is directly output.
When the error is larger than 1%, an offset amount is obtained by comparing data within one minute, and “corrected OBD speed” is output through function calculation.
After the data calibration is complete, the GPS / BDS and gravity sensor operations are stopped to reduce CPU load and overall power consumption.

Preferably, when the vehicle travels normally, the vehicle speed may be calibrated every 30 minutes.
In addition, the vehicle information display device according to the present invention may be used for a 100 km driving test and a 0 to 400 m acceleration test on the vehicle. When the vehicle performs a 100 km acceleration test and a 0 to 400 m acceleration test, The speed of the vehicle may be calibrated in real time by using a speed measurement plan.

Preferably, in the OBD module, the 4G-LTE chip can also be a communication module, which may complete the data upload and download functions in addition to completing AGPS quick positioning.
Each result of the vehicle 100 km acceleration test and the 0-400 m acceleration test may be uploaded to the Internet through the 4G-LTE module and recorded.
The 4G-LTE module may be used to download firmware from the server and update the system software of the OBD module.
One skilled in the art can appreciate that other types of communication chips may be used to provide an OBD module and Internet connection.

The OBD module includes a memory card slot and a SIM card slot, and is used to insert a memory card and a SIM card.
Among them, the memory card may be used for local firmware upgrade and debugging (dissolving failure) data collection.

FIG. 3 is an internal structure diagram of a main driver display module provided according to an embodiment of the present invention.
As shown in FIG. 3, the main driver display module may include a display, a CPU, a Bluetooth (registered trademark) chip, a Bluetooth (registered trademark) antenna, a group of indicator lights, and left and right buttons. It consists of a single chip computer inside.
The Bluetooth (registered trademark) chip acquires vehicle parameter information from the OBD module through the Bluetooth (registered trademark) antenna, transfers the parameter information to the CPU in the main driver display module, and processes and aligns the CPU to process the vehicle. Parameter information is displayed on the display.
The display may be an OLED display or an LCD display.
When there is a lot of vehicle parameter information, it is possible to check other vehicle parameter information by displaying two numerical values at the top and bottom of the display and turning the page with the left and right buttons.
One skilled in the art can appreciate that other wireless transmission units may be used to replace the Bluetooth chip in the main driver display module, but should match the wireless transmission unit in the OBD module.

The display module may be used for an acceleration test. For example, by entering the menu of the main driver display module, a 100 km acceleration test and a 0 to 400 m acceleration test of the vehicle can be performed.
The left and right buttons of the main driver display module are operated to enter the acceleration test mode, in which the test function is completed by the OBD module, and the test data can be transferred to the main driver display module.

FIG. 4 is an external structural view of a main driver display module provided according to an embodiment of the present invention.
As shown in FIG. 4, the display 410 is located on the steering wheel of the vehicle, and five indicator lights are distributed on both sides of the display, respectively, and are located at positions indicated by 421 and 422 in the drawing, respectively.
Two indicator lamps facing left and right form a set, and constitute an indicator lamp group.
The indicator lamp may be an LED indicator lamp or the like.

The left button 431 and the right button 432 are located below the indicator lamp.
In one selectable method of the present invention, a function for turning the device on and off by simultaneously pressing and holding the left and right buttons is realized.
A short click on the left button 431 turns the page to the left, and a short click on the right button 432 turns the page to the right.
A long press of the right button 432 alone enters the menu, and a long press of the left button 431 alone ends the menu.

In the implementation method of the present invention, there are two display methods for the rotational speed of the vehicle engine, and the first type displays rotation information on the display and displays in real time.
The second type is displayed via an indicator lamp group.
As shown in FIG. 4, there are a total of five groups of indicator lamps on the handle, and the number of revolutions entering the red region of the engine is divided into five in synchronization with the left and right.
For example, if the rotational speed of the engine is 5000 rpm and enters the red region, the first set of indicator lights represents 1000 rpm, the second set of indicator lights represents 2000 rpm, and the third set of indicator lights is 3000 rpm. The fourth set of indicator lights represents 4000 rpm, and the fifth set of indicator lights represents 5000 rpm.
In one selectable implementation of the present invention, when the current rotational speed of the vehicle exceeds the set value of each set of indicator lights, the indicator lights of that set are illuminated in green.
This is because when the vehicle exceeds the set maximum rotational speed, the five sets of LEDs simultaneously turn red and flash rapidly to present the shift gear to the driver.
The two rotational speed display methods may operate simultaneously.
In addition, a custom OLED screen is used instead of the indicator lamp to achieve a better display effect.

5 and 6 are structural views of a handle cover provided according to an embodiment of the present invention.
As shown in FIGS. 5 and 6, as a preferred implementation mode of the implementation mode of the present invention, the apparatus for displaying vehicle information also includes a handle cover.
By reconstructing the handle cover on the handle, the main driver display module can be mounted on the handle.
The handle cover is fixed to the handle frame by a bonding method. After the assembly, the cover material is covered again, and a part of the hollow area is reserved on the cover side facing the driver. Used to perform operations.

As shown in FIGS. 5 and 6, the handle cover includes a front cover, a back cover, and a transparent panel.
The front cover is located on the side of the handle facing the driver and is partially hollow.
The back cover is joined to the front cover and encloses the handle and the display module.
The watermark position where the display and indicator lamp of the display module are located can be covered using a transparent panel to protect against the display and indicator lamp.
Preferably, the handle cover material may be selected from ABS (Acrylonitrile Butadiene Styrene), and the transparent panel may be an acrylic panel.

FIG. 7 is a structural view of a basic portion of a handle cover provided according to an embodiment of the present invention.
As shown in FIG. 7, the circumferences and arcs of the handles of different vehicles of different brands are different.
One type of handle cover cannot fill all handles.
For this reason, the front cover and the back cover of the handle cover may be divided into a base part and an extension part, and the base part of the front cover determines the position of the button, the position of the display, the position of the indicator light, and the position of the transparent panel, In addition, the sizes of these components are determined, and the base portion of the back cover is joined to the base portion of the front cover so as to enclose the display module and the handle located on the display module.
The extension part of the front cover and the back cover is an extension of the base part, and the purpose is to adapt to a plurality of handles by changing the shape or arc of the extension part.

8 and 9 are structural views of a front cover of a handle cover provided according to an embodiment of the present invention.
As shown in FIGS. 8 and 9, the model at the top in FIGS. 8 and 9 is the basic part of the front cover, and the three models at the bottom are the front cover having the extension part. The portions other than the portions are extended portions, and the extended portions are symmetrical.

Preferably, in an embodiment of the present invention, the device for displaying vehicle information may not include a handle cover.
The main driver display module may be externally mounted on the handle, for example, pushed into the handle or tied to the handle and rotated by the handle.
The main driver display module may also be mounted on the instrument console or hung on the bottom of the awning of the instrument and does not rotate according to the handle.

FIG. 10 is a structural diagram of a sub-driver display module provided according to an embodiment of the present invention.
As shown in FIG. 10, the sub-driver display module may include a display, a CPU, a button, and a serial interface.
The secondary driver display module may connect the OBD module through a serial interface to obtain vehicle parameter information and transfer it to the CPU processing in the secondary driver display module.
The data that has been processed by the CPU is displayed on a display, and the display may be an OLED display, an LCD display, or the like.
The buttons of the secondary driver display module are used to control the on / off of the display screen and examine the data displayed over the page, and the control logic of the button is, for example, by pressing the button for a long time. It may also be possible to realize opening and closing functions and turning pages by briefly pressing a button.

The auxiliary driver display module may be attached to an instrument stand installed on the auxiliary driver's glove box, or at a position where the auxiliary driver airbag is not obstructed.
As an option, the secondary driver airbag may be removed, and the secondary driver display module may be attached to the secondary driver airbag.
Also, the main driver display module and / or the secondary driver module may be mounted at any reasonable position such as the center of the vehicle, the left instrument stand, or the right vent.

Preferably, one optical sensor module and the sub-driver display module may be integrated and data may be transferred to and from the OBD module through a serial interface in the sub-driver display module.
The light sensor module may be a light sensor, a light sensor, or the like, and is used to sense the state of ambient ambient light and determine the intensity of ambient light.
The main role of the light sensor module is used to judge that it is sunny, cloudy, and night.
The optical sensor module does not need to be controlled by the CPU in the sub-driver display module, and is directly connected to the CPU of the OBD module through the serial interface and belongs to the extension of the OBD module function.
Since the vehicle's OBD interface is often located below the vehicle's central control platform and is not suitable for placement of the light sensor module, the handle is always rotating and easy to block by hand, so it is not suitable for placement of the light sensor module.
Therefore, an optical sensor module may be arranged in the sub driver display module.
The brightness of the display of the main driver display module, the display lamp group, and the display of the sub driver display module are adjusted according to the data obtained by the optical sensor.
The display and lights should be clearly visible during the day and not dazzled at night.

FIG. 11 is a power supply structure diagram of an apparatus used for displaying vehicle information provided by an embodiment of the present invention.
As shown in FIG. 11, the main driver display module may take electricity from the vehicle wiring.
The wire ring is located behind the handle, is located in the steering column module of the vehicle, and is attached to the back of the handle, but is not integral with the handle.
The connection line for the multifunction button on the handle and the connection line for the handle airbag are both connected to the wire ring.
All vehicles are equipped with a wiring, so that electricity can be taken from the wiring and supplied to the main drive display module.
The OBD module can supply power from the OBD port of the vehicle, and the OBD module is directly inserted into the OBD port of the vehicle, and the OBD port of the vehicle brings a power supply function.
The OBD module is connected to the sub-driver display module via a serial interface, and can supply power to the sub-driver display module via the legs of the serial interface.
As can be selected, when the main drive display module is mounted on the handle, the main driver display module may be powered by a battery, powered by a USB interface, or charged by solar energy.

Preferably, the display module may be acknowledging that it is in a closed, low power standby state.
Further, the display module can be automatically closed after reaching a set time after the vehicle has extinguished in the working state.
In order to avoid misidentification of the display module due to the automatic start / stop technology of the vehicle, the scheduled time may be set to 5 minutes.

Preferably, because the vehicle's OBD port is a continuous power supply, the OBD module may be tolerated to be dormant and is awakened by a gravity sensor.
Acquiring data on any x, y, z axis of the gravity sensor will wake up the OBD module.
More preferably, a scheduled time can be set after the vehicle is extinguished and the OBD module can be in a sleep state.
The scheduled time may be set to 5 minutes.

  In a preferred embodiment of the present invention, the secondary driver display module may communicate with the wireless transmission unit via the OBD module, where the secondary driver display module is powered by the cigarette lighter of the vehicle. May be realized.

  Preferably, the GPS chip, BDS chip, gravity sensor, 4G-LTE chip, etc. in the OBD module may be moved to the main driver display module or the sub driver display module. You may process the data regarding a vehicle via CPU.

As another embodiment of the present invention, the data acquisition module may not acquire vehicle data from the OBD port, but may connect directly to the vehicle interior line and acquire data from the vehicle internal line.
For example, the data acquisition module may connect to the vehicle's Canbus to acquire data.
Further, the data acquisition module and the processing module may be integrated in the main driver display module and / or the sub driver display module, and the wireless communication system of the main driver display module may be changed to a wired communication system.

As an implementation method of the present invention, the data acquisition module and the processing module may be integrated in a sub-driver module, and the data acquisition module in the sub-driver display module directly adds a line to the vehicle's Canbus to collect vehicle data. To get.
The GPS chip, the BDS chip, the gravity sensor, and the 4G-LTE chip may be integrated in the sub driver module.
The CPU of the sub driver display module is in charge of processing the vehicle parameter information.
The sub-driver display module may be connected to the main driver display module by a wireless transmission method, and transfers vehicle parameter information to the main driver display module.

In the above technical scheme, the vehicle information display device may not only display the vehicle parameter information, but may perform more accurate measurement and calculation of the vehicle parameter information.
For example, mainstream vehicle performance calculations such as 100 km acceleration, 0-400 m acceleration, 60 mph acceleration, 1/4 mile acceleration calculation, etc. may be performed, no special equipment is required, and it is convenient for installation .
Acquired acceleration results may be uploaded to the server, which is useful for everyone to exchange experiences with each other.
Also, the use of OBD interface technology makes the device versatile, suitable for use with many vehicles, and is not limited to a single vehicle brand.
The device may display vehicle parameter information through the steering wheel display, the steering wheel may be closer to the driver than the instrument, and the driver may more conveniently examine the vehicle parameter information.
In addition, the current rotation speed of the vehicle is indicated by the steering wheel indicator lamp group, and when the shift gear is required while driving the vehicle, the indicator lamp flashes to indicate the shift gear, and the afterglow of the driver feels the flash of the indicator lamp The driver can check the rotational speed of the vehicle without diverting his line of sight and easily shifts in a timely manner.
This is particularly important at race speeds.
In addition, the parameter information display on the display module display is clearer than that on the HUD. By using the optical sensor module in combination, the display can be used both when the daytime light is strong and when the night light is dark. May display information clearly.
The device may have a good fusion with the vehicle through the handle cover and give the driver a better experience, and it is more convenient for the secondary driver to examine the vehicle parameter information via the secondary driver display module.

In the above, the selectable embodiments of the embodiment of the present invention have been described in detail in combination with the attached drawings. However, the embodiment of the present invention is not limited to the specific examples in the above embodiment.
Within the scope of the technical concept of the embodiment of the present invention, the technical scheme of the embodiment of the present invention can be variously modified, and these simple modifications are all within the protection scope of the embodiment of the present invention.

In addition, the specific technical features described in the specific implementation schemes described above can be combined in any appropriate manner if there is no contradiction.
In order to avoid unnecessary repetition, embodiments of the present application do not separately describe the various possible combination schemes.

It can be understood by those skilled in the art that realizing all or some of the steps in the method of the above embodiment may be performed by commanding related hardware through a program. One (single chip computer, chip, etc.) or processor (project) can be executed that is stored on a storage medium and contains several commands.
Examples of the storage medium include a medium having various storable program codes such as a U disk, a mobile hard disk, a reproduction memory (ROM, read-only memory), a random access memory (RAM, random access memory), a magnetic disk, or an optical disk. It is included.

  Moreover, arbitrary combinations can be made between the various implementation methods of the present invention, and the same can be considered as the public contents of the present invention as long as it is not contrary to the idea of the present invention.

Claims (10)

A device for displaying vehicle information,
A data acquisition module for acquiring the vehicle data;
The vehicle parameters including one or more of: engine speed, transmission speed ratio, vehicle speed, engine oil temperature, antifreeze temperature, transmission temperature, fuel oil remaining, acceleration time A processing module for determining information according to the data;
An apparatus for displaying vehicle information, comprising: a display module that is located on a steering wheel of the vehicle and / or on a front side of a passenger seat of the vehicle and displays the parameter information. The apparatus according to claim 1, wherein the data acquisition module is connected to an OBD port and / or Canbus of the vehicle and acquires data of the vehicle from the OBD port and / or Canbus. The processing module is connected to one or more of a GPS chip, a gravity sensor, a 4G-LTE chip, and a BDS chip so as to obtain position information and / or speed measurement data of the vehicle. The apparatus according to claim 1. The apparatus according to claim 1, further comprising a communication module for transferring data to and from the Internet. The apparatus according to claim 1, wherein the display module comprises a display and / or an indicator lamp. The display module includes a plurality of indicator lamp groups located on a handle of the vehicle, each indicator lamp group in the plurality of indicator lamp groups includes at least one indicator lamp, and the indicator lamp group includes the vehicle The apparatus according to claim 5, wherein the rotation speed of the engine is displayed. The apparatus further comprises a photosensor module that determines the intensity of light in the surrounding environment and generates a signal that indicates the intensity of the light,
The apparatus according to claim 1, wherein the processing module receives the signal from the photosensor module and controls display luminance of a display module according to the signal. The apparatus according to claim 1, further comprising a wireless transmission unit that transfers data between the processing module and the display module. The device is located on the side of the handle facing the driver and is partially cut out to control the display module and display the parameter information;
A back cover joined to the front cover so as to enclose the handle and the display module;
The apparatus of claim 1, further comprising a handle cover including a transparent panel attached to a hollowed portion of the front cover to protect a display module. The front cover and the back cover of the handle cover are
A display module and a base part used to wrap a handle at a position corresponding to the display module;
10. The apparatus of claim 9, including an extension portion connected to the base portion, wherein the base portion is a portion extending along the handle on both sides thereof.