CN107357254A - Intelligent instrument device and system - Google Patents

Abstract

The invention provides an intelligent meter device and system, belonging to the technical field of vehicles. The device includes a sensor module, a CAN bus communication module, a main control module, a switch input module, an instrument display module, an abnormality detection module, and an intelligent voice module. The state of the switch value is sent to the main control module, and the main control module sends the above information to the instrument display module for display. Furthermore, it is judged by the abnormality detection module whether the characteristic parameter information of the vehicle is in an abnormal situation, and if it is in an abnormal situation, the alarm prompt information is output through the instrument display module, so that the driver can understand the abnormal situation in time and take corresponding measures in time to Prevent accidents from happening. In addition, through the intelligent voice module, the obtained vehicle body switch status and alarm prompt information are played by voice, thereby reducing the occurrence of safety accidents.

Description

Smart Meter Devices and Systems

technical field

The invention relates to the technical field of vehicles, in particular to an intelligent meter device and system.

Background technique

Cars have been fully integrated into human life and have become an indispensable and important role in human society. People have higher and higher requirements for car performance, appearance and interior decoration. The on-board instrument is the interactive interface between people and the car. It is a platform for the driver to obtain real-time information of the vehicle. It provides the driver with real-time information on the working status of the vehicle such as fuel volume, vehicle speed, and mileage. It is essential for every car. parts. Traditional vehicle instruments generally use electrical or capacitive instruments to display single or simple function information, and the communication method is mainly based on wiring harnesses. In this mode, as the amount of displayed information continues to increase, the number of on-board instruments will also continue to increase, resulting in an overcrowded vehicle dashboard, which is not conducive to comprehensive information fault diagnosis of the vehicle.

In addition, in the prior art, the instruments on the automobile dashboard generally remind the user of the current running condition of the car in the form of pointers and finger lights. Such a design makes the driver need to keep watching the dashboard during driving, so as to Immediate detection of faults, and the signal indicator lights used by different models are not exactly the same, which also causes many drivers to see the signal indicator lights on the dashboard to indicate that the locomotive is faulty during the strengthening process, but they do not understand the signal The indicator light specifically indicates which part of the locomotive is faulty, which is likely to cause safety accidents.

Contents of the invention

The object of the present invention is to provide a smart meter device and system, which can improve the above problems.

Embodiments of the present invention are achieved like this:

An intelligent meter device, the device includes a sensor module, a CAN bus communication module, a main control module, a switch value input module, an instrument display module, an abnormality detection module and an intelligent voice module, the CAN bus communication module and the main control Module coupling, the main control module is also coupled with the instrument display module, the switch input module, the sensor module and the abnormality detection module, the intelligent voice module is coupled with the instrument display module; The sensor module is used to obtain the characteristic parameter information of the vehicle, and transmits the characteristic parameter information of the vehicle to the main control module through the CAN bus communication module; The switching value state is sent to the main control module through the CAN bus communication module; the main control module is used to send the obtained characteristic parameter information of the vehicle and the switching value state of the vehicle body to the instrument display module for corresponding display; the abnormality detection module is used to judge whether the characteristic parameter information of the vehicle is abnormal; The voice module is used to play the acquired state of the switch quantity of the vehicle body and the alarm prompt information by voice.

In a preferred embodiment of the present invention, the abnormality detection module includes an abnormality data storage module and an abnormality data matching module, the abnormality data storage module is coupled with the sensor module, and the abnormality data storage module is also connected with the abnormality The data matching module is coupled, and the abnormal data matching module is coupled with the instrument display module; the abnormal data storage module is used to pre-store the abnormal characteristic parameter information when the vehicle is abnormal; the abnormal data matching module is used to The acquired characteristic parameter information of the vehicle is matched with the abnormal characteristic parameter information, and if matched, an alarm prompt message is output through the instrument display module.

In a preferred embodiment of the present invention, the abnormality detection module includes an input module, a filter module, a processing module and an output module, the input module is coupled to the sensor module, the input module is coupled to the filter module, The filtering module is coupled to the processing module, the processing module is coupled to the output module, and the output module is coupled to the CAN bus communication module.

In a preferred embodiment of the present invention, the instrument display module is coupled with the main control module through a stepper motor module.

In a preferred embodiment of the present invention, the instrument display module includes an odometer, a speedometer, a fuel gauge, a water temperature gauge, and a display screen.

In a preferred embodiment of the present invention, the sensor module includes an intake air pressure sensor, an oil pressure sensor, an oil level sensor, a tire pressure sensor, a water temperature sensor, a rotational speed sensor, an ultrasonic sensor and an acceleration sensor.

In a preferred embodiment of the present invention, the intelligent voice module includes a voice module, a recording module and a playback module, the voice module is coupled with the recording module and the playback module respectively, and the voice module is connected to the voice module. The instrument display module coupling described above.

In a preferred embodiment of the present invention, the device further includes a Bluetooth module, the Bluetooth module is coupled with the main control module, and the Bluetooth module is used for coupling with a user terminal.

In a preferred embodiment of the present invention, the device further includes an alarm module, the alarm module is coupled with the abnormality detection module, and is used for alarming when the vehicle is abnormal.

A smart meter system, the smart meter system includes a user terminal and a smart meter device, the user terminal is used for coupling with the smart meter device.

The beneficial effects of the embodiments of the present invention are:

An embodiment of the present invention provides a smart meter device and system, which obtains the characteristic parameter information of the vehicle through the sensor module, and transmits the characteristic parameter information of the vehicle to the main control module through the CAN bus communication module, and then the switch value input module can send The obtained switch state of the vehicle body is sent to the main control module through the CAN bus communication module, so that the main control module can receive the information transmitted through the CAN bus communication module, which improves the speed and stability of data transmission.

Then, through the main control module, the acquired characteristic parameter information of the vehicle and the switch state of the vehicle body are sent to the instrument display module for corresponding display, so that it is convenient for the vehicle driver to know the relevant state information of the vehicle in real time, and All information is displayed through the instrument display module, which simplifies the design of various instruments of the vehicle and improves the aesthetics.

Furthermore, it is judged by the abnormality detection module whether the characteristic parameter information of the vehicle is in an abnormal situation, and if it is judged that the characteristic parameter information of the vehicle is in an abnormal state, then the alarm prompt information is output by the instrument display module, thus, it can be When the vehicle is abnormal, the driver can know the abnormal situation in time and take corresponding measures in time to prevent the accident from happening.

In addition, the acquired switch state of the vehicle body and the alarm prompt information are played by voice through the intelligent voice module, so that the driver can reduce the number of times of viewing the instrument display module, concentrate on road conditions, and reduce the occurrence of safety accidents.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and thus It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

Fig. 1 is a structural block diagram of a smart meter device provided by an embodiment of the present invention;

FIG. 2 is a structural block diagram of an abnormality detection module provided by an embodiment of the present invention;

FIG. 3 is a structural block diagram of another abnormality detection module provided by an embodiment of the present invention;

FIG. 4 is a circuit schematic diagram of an abnormality detection module provided by an embodiment of the present invention;

Fig. 5 is a structural block diagram of an intelligent voice module provided by an embodiment of the present invention;

Fig. 6 is a structural block diagram of a smart meter system provided by an embodiment of the present invention.

Icons: 200-smart meter system; 210-user terminal; 100-smart meter device; 110-sensor module; 120-CAN bus communication module; 130-main control module; 140-switch input module; 150-meter display module; 160-abnormal detection module; 161-abnormal data storage module; 162-abnormal data matching module; 163-input module; 164-filter module; 165-processing module; 166-output module; 170-intelligent voice module; 172-recording module ; 174-speech module; 176-playback module.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise specified and limited, the terms "coupled", "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or can be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Please refer to FIG. 1. FIG. 1 is a structural block diagram of a smart meter device 100 provided by an embodiment of the present invention. The smart meter device 100 includes a CAN bus communication module 120, a main control module 130, a meter display module 150, and a sensor module 110. , a switching value input module 140 and an abnormality detection module 160, the CAN bus communication module 120 is coupled with the main control module 130, and the main control module 130 is also respectively connected with the instrument display module 150, the switching value input module 140, The sensor module 110 and the abnormality detection module 160 are coupled.

The sensor module 110 is configured to obtain characteristic parameter information of the vehicle, and transmit the characteristic parameter information of the vehicle to the main control module 130 through the CAN bus communication module 120 .

Wherein, the characteristic parameter information of the vehicle includes, but is not limited to, oil pressure, oil temperature, oil level, tire pressure, water temperature, rotational speed, mileage and the like of the vehicle.

As a way, the sensor module 110 includes, but not limited to, an intake air pressure sensor, an oil pressure sensor, an oil level sensor, a tire pressure sensor, a water temperature sensor, a rotational speed sensor, an ultrasonic sensor, an acceleration sensor, and the like.

Among them, the intake air pressure sensor is connected to the intake manifold with a vacuum tube. With the different speed load of the engine, it senses the vacuum change in the intake manifold, and then converts the change of the internal resistance of the sensor into a voltage signal for the ECM computer to correct the fuel injection. amount and ignition timing angle. The intake pressure sensor can adopt the intake pressure sensor whose model is TK302.

The oil pressure sensor is used to detect the oil pressure of the vehicle in real time, and the oil pressure sensor of the PTG500 series can be used.

The oil level sensor uses the oil to enter the oil tank to cause the change of the capacitance between the sensor shell and the sensing electrodes, and converts this change into a current change to detect the position of the oil in the oil tank. It can use the model CR-606 series Capacitive oil level sensor.

The tire pressure sensor is used to be installed inside each wheel, which can accurately measure the pressure and temperature inside the tire. The tire pressure sensor sends the pressure value and temperature value of the tire to the main control module 130 in a wireless form according to a certain rule, which can Tire pressure sensors such as SE10004A, 42753-SNA-A81, and 4250B877 are used.

The water temperature sensor is used to be installed on the water jacket of the engine block or cylinder head, and directly contacts with the cooling water, so as to measure the temperature of the engine cooling water, which can use the water temperature sensor model 89422-0D010.

The speed sensor is installed in the car gearbox. There is a gear in the car gearbox. When the vehicle starts, the gear inside the gearbox will rotate, thereby driving the gear of the speed sensor to rotate, and generating a voltage signal. The faster the speed, the higher the voltage. High, this signal will be transmitted to the main control module 130, and the main control module 130 will transmit the corresponding speed display to the instrument display module 150, and the instrument pointer of the instrument display module 150 will rotate according to the voltage signal, which can adopt the model WH / ZS-8 speed sensor.

The ultrasonic sensor can be installed at the rear of the vehicle to measure the distance between the vehicle and the rear obstacle when reversing. It can use the ultrasonic sensor model KS-A1040H08CT/R.

The acceleration sensor is used to detect the vehicle acceleration, and it can adopt the acceleration sensor whose model is SS413A SS513GT.

The CAN bus communication module 120 is used for information transmission in the vehicle system, and is a data line for transmitting data, and the data is sent to various control modules, such as the main control module 130 , through the CAN bus communication module 120 . In order to prevent external electromagnetic wave interference and external radiation, the CAN bus uses two wires to be wound together. The potentials of the two wires are opposite. During operation, the CAN high voltage is 2.5V-3.5V, and the CAN low voltage is 1.5V-2.5V. During static measurement, the CAN high voltage is about 2.6V, and the CAN low voltage is about 2.4V. Through this method, the CAN bus is protected from external electromagnetic field interference, and the outward radiation of the CAN bus remains neutral, that is, there is no radiation.

As a way, the CAN bus communication module 120 can be designed using a single chip microcomputer and MCP2510.

The switch value input module 140 is configured to send the acquired switch value state of the vehicle body to the main control module 130 through the CAN bus communication module 120 . The switching value input module 140 is used to input the detected switching values of the vehicle body (door arrival switch, low water level switch, neutral switch, brake shoe wear alarm switch) to the main control module 130 .

Among them, the switching value acquisition is mainly designed to meet the standards of low level 0-2V and high level 8-32V, and at the same time consider anti-interference and other issues, and the specific realization is realized through resistor voltage division. In order to save the I/O port resources of the main control module 130, the digital input module 140 is realized by three parallel-to-serial chip 74HC165. The switching value input module 140 collects the states of the ignition key, the low beam light switch, the high beam light switch, the left turn signal switch, the right turn signal light switch, the wiper switch, the retarder handle switch, and the clutch switch. After the processing by the control module 130, the corresponding status information is displayed through the display screen, pointer, LCD lamp, etc. in the instrument display module 150.

In addition, the analog quantities (temperature, air pressure, oil pressure, current, etc.) and pulse quantities (vehicle speed, rotational speed) acquired by the sensor module 110 can also be periodically sent to the main controller through the switch input module 140 in the form of messages. Module 130.

The main control module 130 is configured to send the acquired characteristic parameter information of the vehicle and the switch state of the vehicle body to the instrument display module 150 for corresponding display.

As a method, the main control module 130 is a vehicle-mounted computer, that is, an ECU (Electronic Control Unit, electronic control unit), which is a vehicle-specific microcomputer controller, also called a car-specific single-chip microcomputer, which is the same as a common single-chip microcomputer. , memory, input and output interfaces, analog-to-digital converters, and shaping, driving and other large-scale integrated circuits.

The instrument display module 150 includes but is not limited to an odometer, a tachometer, a fuel gauge, a water temperature gauge, a display screen, etc., and is used to display fuel consumption, driving mileage, and the operating conditions of the engine, transmission system, and driving system. Information, as well as warning information displaying fault diagnosis, so that the driver can keep abreast of the running status of the vehicle and properly handle various situations.

Wherein, the instrument display module 150 is coupled with the main control module 130 through a stepper motor module, and the stepper motor module includes a stepper motor and a stepper motor drive module, and tables for odometer, tachometer, fuel gauge, and water temperature gauge. The heads are all controlled by stepper motors, and the stepper motor drive module is connected with the main control module 130 . Multiple stepping motors can be used, realized by two X12.017 driver chips, and each X12.017 chip controls multiple stepping motors. X12.017 is a one-to-four stepper motor driver chip, which has high control precision, good reliability, and high cost performance. It only needs two I/O ports to control a stepper motor, and one I/O when controlling One port controls the rotation direction of the stepper motor, and the other I/O sends pulses, and the speed of the stepper motor is controlled by the frequency of the pulses. The display screen is directly connected with the main control module 130, wherein the display screen can be selected as a 5.1 240X160 dot matrix blue LCD screen, which has a long service life and high cost performance. The data communication of this LCD screen adopts parallel communication mode, and the communication speed is fast. The LCD screen has a high refresh rate and the display effect is good.

The abnormality detection module 160 is used for judging whether the characteristic parameter information of the vehicle is abnormal, and if it is judged that the characteristic parameter information of the vehicle is abnormal, the instrument display module 150 outputs warning prompt information.

Please refer to FIG. 2. FIG. 2 is a structural block diagram of an anomaly detection module 160 provided by an embodiment of the present invention. The anomaly detection module 160 includes an abnormal data storage module 161 and an abnormal data matching module 162. The abnormal data storage module 161 Coupled with the sensor module 110 , the abnormal data storage module 161 is also coupled with the abnormal data matching module 162 , and the abnormal data matching module 162 is coupled with the meter display module 150 .

The abnormal data storage module 161 is used for pre-storing abnormal characteristic parameter information when the vehicle is abnormal. The pre-stored abnormal characteristic parameter information of the vehicle is the abnormal information output when the vehicle may be abnormal and the abnormal information output when the vehicle is abnormal according to the past data. . No response to the operation, or abnormal characteristic parameter information of the vehicle detected by the sensor module 110 such as oil temperature, water pressure, brake, tire pressure, etc. The abnormal data storage module 161 can be a memory, and the abnormal characteristic parameter information stored in the abnormal data storage module 161 can be encoded and defined one by one, and whether the vehicle is abnormal is known by using watchdog technology and state inspection technology, and Record the abnormal characteristic parameter information when the vehicle is abnormal.

The abnormal data matching module 162 is configured to match the acquired characteristic parameter information of the vehicle with the abnormal characteristic parameter information, and if matched, output warning prompt information through the instrument display module 150 .

As an implementation manner, the abnormal data matching module 162 may be an integrated circuit chip, which has a signal processing capability. Above-mentioned processor can be general-purpose processor, comprises central processing unit (Central Processing Unit, be called for short CPU), network processor (Network Processor, be called for short NP) etc.; Can also be digital signal processor (DSP), application-specific integrated circuit (ASIC) ), off-the-shelf programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components. Various methods, steps and logic block diagrams disclosed in the embodiments of the present invention may be implemented or executed. A general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.

For example, if the abnormality detection module 160 judges the characteristic parameter information of the vehicle, for example, when the water temperature is higher than a preset threshold value, it means that the water temperature is too high, and a dangerous situation is likely to occur, then the abnormality detection module 160 can output a water temperature warning command to the instrument display module 150 through the CAN bus communication module 120, and the instrument display module 150 will display the water temperature warning prompt information on the display screen after receiving the water temperature warning command, so that the driver can understand If the water temperature is too high, measures can be taken in time to prevent accidents.

As another implementation, please refer to FIG. 3 . FIG. 3 is a structural block diagram of another anomaly detection module 160 provided by an embodiment of the present invention. In order to simplify installation and reduce design costs, the anomaly detection module 160 includes an input module 163 , a filtering module 164, a processing module 165 and an output module 166, the input module 163 is coupled to the sensor module 110, the input module 163 is coupled to the filtering module 164, the filtering module 164 is coupled to the processing module 165 coupled, the processing module 165 is coupled to the output module 166 , and the output module 166 is coupled to the CAN bus communication module 120 .

Please refer to FIG. 4. FIG. 4 is a schematic circuit diagram of an abnormality detection module 160 provided by an embodiment of the present invention, the input module 163 includes a first input port and a second input port, and the filter module 164 includes a first resistor R1, second resistor R2, first capacitor C1 and second capacitor C2, the processing module 165 is a processing chip U1, and the output module 166 includes a third resistor R3, a fourth resistor R4, a third capacitor C3 and a fourth Capacitor C4, the input end of the first input port is coupled to the sensor module 110, the output end of the first input port is respectively connected to one end of the first resistor R1 and one end of the first capacitor C1, One end of the first resistor R1 and one end of the first capacitor C1 are both connected to the processing chip U1, and the ground end of the first input port is respectively connected to the other end of the first resistor R1 and the first capacitor C1. The other end of a capacitor C1 is connected to ground, the output end of the second input port is respectively connected to one end of the second resistor R2 and one end of the second capacitor C2, one end of the second resistor R2, the One end of the second capacitor C2 is connected to the processing chip U1, the ground end of the second input port is respectively connected to the other end of the second resistor R2 and the other end of the second capacitor C2 and grounded, The processing chip U1 is connected to one end of the third resistor R3, and the other end of the third resistor R3 is respectively connected to one end of the third capacitor C3 and the CAN bus communication module 120, and the third capacitor The other end of C3 is grounded, the processing chip U1 is connected to one end of the fourth resistor R4, and the other end of the fourth resistor R4 is respectively connected to one end of the fourth capacitor C4 and the CAN bus communication module 120 , the other end of the fourth capacitor C4 is grounded.

Both the first input port and the second input port of the input module 163 are used to input the signal carrying the characteristic parameter information of the vehicle collected by the sensor module 110 into the abnormality detection module 160 for processing, and the filter module 164 is used to filter the input signal, wherein, the first capacitor C1, the second capacitor C2, the third capacitor C3 and the fourth capacitor C4 are filter capacitors, and the processing module 165 is used to filter the signal After the amplification process, it is sent to the output module 166 for output through the CAN bus communication module 120. The processing module 165 is also used to analyze and process the filtered signal. For example, if the analysis result obtained by the analysis is that the water temperature data in the characteristic parameter information is high When a preset threshold is reached, an alarm signal can be generated and sent to the output module 166 , and then the output module 166 sends the alarm signal to the meter display module 150 .

Wherein, the model of the processing chip U1 may be AD8624.

In addition, the meter display module 150 includes a variety of meters and indicator lights. In order to prevent vehicle drivers from frequently viewing the vehicle-related information displayed in the meter display module 150, that is, meters and indicator lights, which may cause safety accidents, the smart meter device 100 also comprises intelligent voice module 170, please refer to Fig. 5, described intelligent voice module 170 comprises voice module 174, recording module 172 and playback module 176, and described voice module 174 is respectively connected with described recording module 172, described playback module. The module 176 is coupled, and the voice module 174 is coupled with the meter display module 150 .

The intelligent voice module 170 is also coupled with the vehicle audio system in the vehicle, and is used to send a signal of suspending work to the vehicle audio system while the sound playback module 176 is sending the playback signal. System coupling, used to prompt the driver the distance between the vehicle and the obstacles behind the vehicle.

The indicator lights in the instrument display module 150 may include a brake failure indicator light, a vehicle light failure indicator light, an engine failure indicator light, a low fuel indicator light, an unlocked door indicator light, an open rear cover indicator light and an ABS failure indicator light.

Wherein, the voice module 174 can be an ISD1730 chip; the recording module 172 can be a VS1003B chip; the playback module 176 can be a WT588D chip.

In addition to normally displaying information and pointer signals, the instrument display module 150 can also simultaneously play voice information corresponding to each fault indicator light, vehicle body switching value status information, and alarm prompt information through the intelligent voice module 170. The intelligent voice module 170 is debugged. The prompt sound is recorded in the recording module 172 in advance, and matching settings are carried out with each fault indicator light. The intelligent voice module 170 is connected with the vehicle audio system. When the intelligent voice module 170 needs to send a prompt tone, it will first suspend the work of the vehicle audio system to prevent the vehicle audio system from interfering with the voice module 174. The signal is given to the car audio system to resume the work that was suspended before the car audio system, and the sound playback module 176 of the intelligent voice module 170 is connected with the car reversing system, and the distance prompt can be carried out when the car is reversing. Thus, the driver can reduce the number of times to look at the instrument display module 150, concentrate on the road conditions, and do not have to worry about not being able to understand the above relevant instruction information when touching a new car, thereby improving the safety performance of the car. It can also prevent the sound from interfering with the voice prompts, and the intelligent voice module 170 is also connected with the reversing system to save the sound device of the car reversing system and optimize the car reversing system.

In addition, the smart meter device 100 further includes a Bluetooth module, the Bluetooth module is coupled with the main control module 130, and the Bluetooth module is used for coupling with the user terminal.

The user terminal can establish a communication connection with the smart meter device 100 through the bluetooth module, and the driver can send information to the smart meter device 100 through the user terminal, for example, connect the user terminal navigation to the smart meter device 100, so that the smart meter device 100 can Real-time display is performed on the meter display module 150 in the meter device 100 .

The device may also include an alarm module, the alarm module is coupled with the abnormality detection module 160, and is used for alarming when the vehicle is abnormal, that is, when the abnormality detection module 160 detects that the vehicle is abnormal, it will send an alarm to the The alarm module sends an alarm instruction, and the alarm module can issue an alarm according to the alarm instruction. As a manner, the alarm module may be a buzzer.

Please refer to FIG. 6. FIG. 6 is a structural block diagram of a smart meter system 200 provided by an embodiment of the present invention. The smart meter system 200 includes a user terminal 210 and the aforementioned smart meter device 100. The user terminal 210 is used to communicate with the The meter device 100 is coupled.

To sum up, the embodiment of the present invention provides a smart meter device and system, which obtains the characteristic parameter information of the vehicle through the sensor module, and transmits the characteristic parameter information of the vehicle to the main control module through the CAN bus communication module, and then switches The quantity input module can send the obtained vehicle body switching quantity status to the main control module through the CAN bus communication module, so that the main control module can receive the information transmitted through the CAN bus communication module, which improves the speed of data transmission and stability.

Then, through the main control module, the acquired characteristic parameter information of the vehicle and the switch state of the vehicle body are sent to the instrument display module for corresponding display, so that it is convenient for the vehicle driver to know the relevant state information of the vehicle in real time, and All information is displayed through the instrument display module, which simplifies the design of various instruments of the vehicle and improves the aesthetics.

Furthermore, it is judged by the abnormality detection module whether the characteristic parameter information of the vehicle is in an abnormal situation, and if it is judged that the characteristic parameter information of the vehicle is in an abnormal state, then the alarm prompt information is output by the instrument display module, thus, it can be When the vehicle is abnormal, the driver can know the abnormal situation in time and take corresponding measures in time to prevent the accident from happening.

In addition, the acquired switch state of the vehicle body and the alarm prompt information are played by voice through the intelligent voice module, so that the driver can reduce the number of times of viewing the instrument display module, concentrate on road conditions, and reduce the occurrence of safety accidents.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. a kind of Intelligent instrument device, it is characterised in that described device includes sensor assembly, CAN communication module, master control Module, switching input module, meter display module, abnormality detection module and intelligent sound module, the CAN communication Module couples with the main control module, the main control module also respectively with the meter display module, the On-off signal mould Block, the sensor assembly and abnormality detection module coupling, the intelligent sound module and the meter display module Coupling；

The sensor assembly, pass through for obtaining the characteristic parameter information of vehicle, and by the characteristic parameter information of the vehicle The CAN communication module is transmitted to the main control module；

The switching input module, for the vehicle body on-off state of acquisition to be sent by the CAN communication module To the main control module；

The main control module, for the characteristic parameter information of the vehicle of acquisition and the vehicle body on-off state to be sent Accordingly shown to meter display module；

The abnormality detection module, for judging whether the characteristic parameter information of the vehicle is in abnormal conditions, if judging The characteristic parameter information of the vehicle passes through the meter display module outputting alarm prompt information when being in abnormal；

The intelligent sound module, for the vehicle body on-off state of acquisition and the alarm prompt to be passed through into language Sound plays out.

2. Intelligent instrument device according to claim 1, it is characterised in that the abnormality detection module includes abnormal data Memory module and abnormal data matching module, the abnormal data memory module couples with the sensor assembly, described different Regular data memory module is also coupled with the abnormal data matching module, and the abnormal data matching module is shown with the instrument Module couples；

The abnormal data memory module, for prestoring off-note parameter information when vehicle occurs abnormal；

The abnormal data matching module, for by the characteristic parameter information of the vehicle of acquisition and the off-note parameter Information is matched, if matching, passes through the meter display module outputting alarm prompt information.

3. Intelligent instrument device according to claim 1, it is characterised in that the abnormality detection module includes input mould Block, filtration module, processing module and output module, the input module couple with the sensor assembly, the input mould Block couples with the filtration module, the filtration module and the processing module coupling, the processing module and the output module Coupling, the output module couple with the CAN communication module.

4. Intelligent instrument device according to claim 1, it is characterised in that the meter display module passes through stepper motor Module couples with the main control module.

5. Intelligent instrument device according to claim 1, it is characterised in that the meter display module include mileometer, Revolution counter, fuel gauge, water-thermometer, display screen.

6. Intelligent instrument device according to claim 1, it is characterised in that the sensor assembly passes including admission pressure Sensor, oil pressure sensor, fuel level sensor, tyre pressure sensor, cooling-water temperature sensor, speed probe, ultrasonic sensor and Acceleration transducer.

7. Intelligent instrument device according to claim 1, it is characterised in that the intelligent sound module includes voice mould Block, recording module and playback module, the voice module couples with the recording module, the playback module respectively, described Voice module couples with the meter display module.

8. Intelligent instrument device according to claim 1, it is characterised in that described device also includes bluetooth module, described Bluetooth module couples with the main control module, and the bluetooth module is used to couple with user terminal.

9. Intelligent instrument device according to claim 1, it is characterised in that described device also includes alarm module, described Alarm module couples with the abnormality detection module, for being alarmed when vehicle occurs abnormal.

10. a kind of intelligent instrument system, it is characterised in that the intelligent instrument system includes user terminal and claim 1-9 Any described Intelligent instrument device, the user terminal are used to couple with the Intelligent instrument device.