KR102105821B1 - Failure diagnosis system for vehicle using obd ii data informations - Google Patents

Abstract

The present invention relates to a failure diagnosis system for a vehicle and, more specifically, to a failure diagnosis system for a vehicle, which diagnoses a failure of a vehicle by using an OBD II output terminal installed in the vehicle and informs a user of the diagnosis, and is also linked to an application installed in a smartphone or the like to connect the user to a nearby vehicle maintenance shop. According to the present invention, the failure diagnosis system for a vehicle includes: an OBD II transmitter connected to an OBD II terminal of a vehicle and transmitting data obtained by the OBD II terminal to the application installed in a user terminal; the user terminal having the application installed therein for determining the failure of the vehicle based on OBD II data obtained from the OBD II transmitter; and a server communicating with the application of the user terminal, wherein the server is connected to a database including the data about vehicle maintenance shops performing maintenance of vehicles. Accordingly, the failure diagnosis system for a vehicle enables a user to avoid excessive repair costs.

Description

Vehicle error diagnosis system using ODDⅡ data information {FAILURE DIAGNOSIS SYSTEM FOR VEHICLE USING OBD II DATA INFORMATIONS}

The present invention relates to a vehicle abnormality diagnosis system, and more specifically, diagnoses an abnormality of a vehicle using the OBD II output terminal provided in the vehicle and notifies the user of this, while interworking with an application installed on a smartphone or the like to surrounding vehicle maintenance centers. It relates to a vehicle abnormality diagnosis system that connects with.

The owner of the vehicle generally manages the vehicle by exchanging the vehicle's parts and consumables based on the checks for the main parts described in the instruction manual provided when the vehicle is purchased.

Various inspection items are listed in the user manual of the vehicle, for example, it is recommended to replace the engine oil every 5,000 km, and in the case of the HD timing belt, replace it every 140,000 km or every 6 years under normal conditions. It stipulates what to do.

In the case of a general driver, such a vehicle inspection cycle is created and managed by a vehicle household account book for managing the vehicle, which is relatively well performed at the time of initial purchase of the vehicle, but as the time passes after purchasing the vehicle, the vehicle household account book is prepared. Neglected, the management itself becomes difficult, and if an abnormality occurs in the vehicle, the user has to visit a repair shop or the like to repair the vehicle.

Meanwhile, On Board Dignosis (OBD), which diagnoses a vehicle condition in order to grasp an abnormality of a vehicle, is known. On-Board Diagnostics, or “OBD” is a term used in the “Automotive” industry, which refers to a device that diagnoses itself and reports the results. Recently produced cars are equipped with a sensor for various measurement and control.

These devices are controlled by the Electronic Control Unit (ECU). The original development of the ECU was to precisely control the core functions of the engine, such as ignition timing, fuel injection, variable valve timing, idling, and threshold setting, but with the development of vehicle and computer performance, automatic transmission control, driving system, braking, etc. It also serves to control all parts of the vehicle, such as the system and steering system. The electronic diagnostic system has evolved over time, and has recently been established as a standardized diagnostic system called OBD-II (On-Board Diagnostic version II).

OBD II car scanner can collect various kinds of information, such as car battery level, battery voltage information, tire pressure, oil consumption, engine failure notification, oil consumption, driving speed / distance / time, coolant temperature, fuel cut / lockup Includes alerts, fuel economy, RPM, engine oil temperature, remaining flow, and gear ratio.

However, in general, automobile diagnostic equipment such as an OBD (and OBD II) scanner is expensive for millions of dollars or more, so it is difficult for ordinary vehicle owners to own and use, and it is provided in an automobile maintenance shop, but the user cannot directly use it.

In addition, as described above, some information read through the OBD II scanner is also displayed on the dashboard of the vehicle, but the method displayed on these dashboards is provided to the user in the form of a simple figure due to the limited space of the display area on the dashboard. In the case of insufficient drivers, there is a problem that it is difficult to understand what the shape information displayed on the instrument panel means.

* Advanced technical literature *
Republic of Korea Patent Publication No. 10-2017-0013019 (20170206 published)

The present invention has been devised on the basis of the above-mentioned problems, and aims to provide a vehicle abnormality diagnosis system capable of preventing a vehicle failure by notifying the user in advance when a replacement or replacement cycle of a vehicle part, particularly a consumable, is reached. do.

In addition, the present invention provides a vehicle abnormality diagnosis system that detects an abnormality in a vehicle and provides a user with an abnormality in the form of a letter or an audible form to inform the user where the problem occurred in the vehicle when an abnormality occurs in the vehicle. The purpose.

According to an aspect of the present invention to solve the above problems, a vehicle abnormality diagnosis system for diagnosing an abnormality of a vehicle using the OBD II terminal of the vehicle is provided. The vehicle abnormality diagnosis system includes: an OBD II transmitter connected to the OBD II terminal of the vehicle and transmitting data acquired from the OBD II terminal to an application installed in the user terminal; A user terminal installed with an application for determining an abnormality of a vehicle based on OBD II data acquired from the OBD II transmitter; Server that performs communication with the application of the user terminal-The server is connected to a database including data for vehicle maintenance companies that perform maintenance of the vehicle-includes; and, the application, OBD II from the OBD II transmitter OBD II data receiving unit for receiving data; A vehicle abnormality determination unit for determining an abnormality of the vehicle based on the received OBD II data; A battery abnormality determination unit for determining a battery abnormality of the vehicle based on the received OBD II data; And a consumable cycle determination unit for determining a consumable replacement cycle of the vehicle based on the received OBD II data,

When it is determined that the vehicle has an abnormality from the vehicle abnormality determination unit, the application generates a vehicle failure diagnosis code obtained from the user's GPS information, vehicle information, and OBD II data as inspection data, and transmits it to the server. It searches the database connected to the server using the GPS information, vehicle information, and fault diagnosis code of the user transmitted by the user and transmits it to the vehicle maintenance company while requesting diagnostic results and repair estimates for the vehicle from the vehicle maintenance company. And configured to transmit diagnostic results and repair estimates for the vehicle received from the vehicle maintenance company to the user's application.

In addition, in the above-described aspect, the battery abnormality determining unit is configured to monitor the current voltage of the battery obtained from the OBD II data and notify the user to replace the battery when the current voltage is equal to or lower than the reference voltage, and the consumable cycle determination unit from the BD II data It is configured to notify that the corresponding consumables are to be replaced when the mileage information of the vehicle reaches a predetermined reference value based on the obtained mileage information of the vehicle.

In addition, in the above-described aspect, when the server transmits the diagnosis result and the repair estimate for the vehicle received from the vehicle maintenance company to the user's application, the server generates a mashup map for the vehicle maintenance company and further transmits the generated mashup map. It is composed.

In addition, in the above-described aspect, the mashup map transmitted from the server includes a function to reserve maintenance for the corresponding vehicle maintenance company.

In addition, in the above-described aspect, the consumable cycle determination unit is configured to monitor the residual amount of washer liquid in the vehicle when the refueling port of the vehicle is opened, and is configured to notify the user of replenishing washer liquid when the residual amount of washer liquid in the vehicle is below a reference value.

Further, in the above-described aspect, when a 12V battery is used in the vehicle, the battery abnormality determination unit may

If the battery is more than 11V, the battery status is displayed in green, if the battery is in the range of 10V or more to less than 11, it is displayed in yellow, and if the battery is less than 10V, it is displayed in red and at the same time it is displayed on the display of the user terminal. and,

When a 24V battery is used in the vehicle, the battery abnormality determination unit,

If the battery is over 23V, the battery status is displayed in green, if the battery is in the range of over 20V to less than 23, it is displayed in yellow, and if the battery is under 20V, it is displayed in red and at the same time it is displayed on the display of the user terminal. It is configured to.

According to the present invention, when a replacement or replacement cycle of parts of a vehicle, particularly consumables, is reached, the user can be informed in advance to prevent the vehicle from failing.

In addition, according to the present invention, the user detects a vehicle in case of an abnormality, provides the user with an abnormality in the form of a letter or an audible form, and also informs the user of a repairable company together with a repair quote, thereby allowing the user It is easy to see where the problem occurred and also to prevent excessive repair costs in advance.

1 is a view schematically showing the overall configuration of a vehicle abnormality diagnosis system according to the present invention.
2 is a view schematically showing the internal configuration of the OBD II transmitter provided to the OBD II terminal in the vehicle abnormality diagnosis system according to the present invention.
3 is a block diagram schematically showing the internal configuration of an application used in a vehicle abnormality diagnosis system according to the present invention.
Figure 4 is a flow chart showing the operation flow in the battery abnormality determination unit of the application used in the vehicle error diagnosis system according to the present invention.
5 is a flow chart showing a consumables according to the mileage in the consumables replacement cycle determination unit of the application used in the vehicle abnormality diagnosis system according to the present invention, in the illustrated example, a process flow informing the replacement cycle of the engine oil.
6 is a view showing an example of a user setting screen for a consumable item used in the consumable replacement cycle determination unit.
7 is a view showing a relationship between a server and a database of a vehicle abnormality diagnosis system according to the present invention and a vehicle maintenance company.
8 is a flow chart showing the overall flow in the vehicle abnormality diagnosis system according to the present invention.

Advantages and features of the present invention, and methods for achieving them will be clarified with reference to embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms.

In the present specification, this embodiment is provided to make the disclosure of the present invention complete, and to fully inform the scope of the invention to those skilled in the art to which the present invention pertains. And the present invention is only defined by the scope of the claims. Thus, in some embodiments, well-known components, well-known operations, and well-known techniques are not specifically described to avoid obscuring the present invention.

The same reference numerals refer to the same components throughout the specification. In addition, the terms (mentioned) used in this specification are for describing the embodiments and are not intended to limit the present invention. In the present specification, the singular form also includes the plural form unless otherwise specified in the phrase. In addition, components and actions recited as 'include (or have)' do not exclude the presence or addition of one or more other components and actions.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used as meanings commonly understood by those skilled in the art to which the present invention pertains. Also, terms that are defined in a commonly used dictionary are not ideally or excessively interpreted unless they are defined.

1 is a view schematically showing the overall configuration of a vehicle abnormality diagnosis system according to the present invention. 1, the vehicle abnormality diagnosis system according to the present invention is a user terminal for performing communication with an OBD II transmitter 10, an OBD II transmitter 10, and a server 200 coupled to an OBD II terminal of a vehicle. It includes a server 200 for providing the vehicle abnormality diagnosis service of the present invention to the (100) and the user terminal 200, and the server 200 is connected to a database 300 in which maintenance data of the vehicle is stored.

Hereinafter, each component will be described in more detail with reference to the corresponding drawings.

2 is a view schematically showing the internal configuration of the OBD II transmitter 10 according to the present invention. As shown in FIG. 2, the OBD II transmitter 10 includes a connector unit 11 coupled to an OBD II terminal of a vehicle, a processing unit 13 for processing information received from the connector unit 11, and a processing unit 13 It includes a communication unit 15 for transmitting the information processed in the application 110 of the smartphone 100.

1 and 2, the connector 11 includes pins 1 to 8 from left to right at both ends of the connector, and pins 9 to 16 from left to right at both ends of the connector. Up to 16 pins can be included.

Pins 1, 3, 8, 9 and 11-13 can be used for manufacturer / model (exclusive) specific uses. The remaining pins provide power and connections for different types of physical communication links. For example, pins 2 and 10 can be used to support SAE J1850-PWM or SAE-J1850-VPW protocols, and pins 6 and 14 can be used to support controller area network (CAN) bus HIGH and LOW. , Pins 7 and 15 can be used to support ISO K and L lines.

The CAN pair (pins 6 and 14) can use standard ISO 15765 or extended ISO 15765 protocols. The ISO pair (pins 7 and 15) can use ISO 9141 or ISO 14230 protocols. However, ISO 15764-4 (CAN), ISO 14230-4 (Keyword Protocol 2000), ISO 9141-2 (Asia, Europe, Chrysler vehicles), SAE J1850VPW (GM vehicles), SAE J1850 PWM ( Other protocols can be implemented including, but not limited to, Ford vehicles), SAE J2411 (GM LAN, single wire CAN) and Ford MSC (mediumspeed CAN).

Regardless of the protocol, information provided by vehicle buses generally includes, but is not limited to, a parameter ID (PID) and a diagnostic trouble code (DTC). The parameter ID generally represents real-time measurements for various sensors (eg, RPM, ignition timing, wheel click, etc.). The fault diagnosis code reports problems detected by the electronic (or engine) control unit (ECU). In one example, data on a specific vehicle bus can be obtained by monitoring the appropriate pins of the OBD-II port. In some vehicles, all vehicle buses relay data between each other, making direct connection to a specific bus unnecessary.

1 and 2, the OBD II transmitter 10 is connected to the OBD II port through the connector 11 provided in the transmitter 10 and collects necessary information from the OBD II port. The processing unit 13 is coupled to the communication unit 15 including one or more wireless protocols (for example, wireless Wi-Fi, Bluetooth communication, Zigbee communication), and transmits the information collected from the OBD II through the communication unit 15 through the communication unit 15. It works to send.

Meanwhile, as shown in FIG. 2, the OBD II transmitter 10 may further include a GPS receiver 17, in which case the processor 13 receives from the GPS receiver 17 in addition to the information received from the OBD II port. It may be configured to further transmit the GPS coordinate information to the application 110 of the user terminal. However, in general, a smart terminal device currently used by a user is equipped with a GPS receiving module, so such a GPS receiving unit is not an essential component.

3 is a diagram showing the main functions of the dedicated application 110 used in the vehicle abnormality diagnosis system according to the present invention.

As illustrated in FIG. 1, the dedicated application 110 includes an OBD II information receiving unit 111 and a determination unit 113 that determines whether a vehicle is abnormal, whether a battery is abnormal, or a consumable replacement cycle based on the received OBD II information. ), The user notification generation unit 114 for notifying the user of the determination result from the determination unit 113, and when the result from the vehicle abnormality determination unit 113a is determined to be abnormal, generating OBD II data requiring inspection Includes a check data generation unit 115, a server communication unit 117 for transmitting the check data generated from the check data generation unit 115 to the server, and a diagnostic data receiving unit 119 for receiving the diagnostic data received from the server do.

The OBD II information receiving unit 111 includes information of various vehicles from the OBD II terminal of the vehicle, and such information includes, for example, the remaining battery power of the vehicle, battery voltage information, tire pressure, used oil cost, engine failure notification, oil consumption, It includes driving speed / distance / time, coolant temperature, fuel cut / lock-up notification, fuel economy, RPM, engine oil temperature, remaining flow rate, gear ratio, etc.

The vehicle abnormality determining unit 113a receives CAN data for communication control from control elements of the vehicle among the received information. In one embodiment, the control components of the vehicle include a motor control unit (HMCU), a battery management system (BMS), an engine control unit (ECU), an electronic throttle control (ETC), and a torque control unit (TCU). Can be. Data from the engine control unit (ECU) can be collected from EMS (electronic engine control), SAS (side collision protection), ABS (anti-lock brake system), TPMS (tire pneumatic monitoring system) and VDC (Vehicle Position Control).

Usually, OBD-II notifies the contents of a malfunction through a 5-digit fault diagnosis code when a malfunction occurs in a vehicle. The types of faults and fault diagnosis codes are also standardized, and general car repair shops use the fault diagnosis codes defined by the OBD-II standard to detect an abnormality in the car and apply it to repairs.

When the vehicle abnormality determination unit 113 receives such a failure diagnosis code, the vehicle abnormality determination unit 113 generates inspection data including the failure diagnosis code as the inspection data generation unit 115 and transmits it to the server 200 through the server communication unit 117. ). The inspection data may include a plurality of fault diagnosis codes.

For the convenience of the user, the check data generation unit 115 generates a check data for transmission to the server, and the user notification generation unit 114 displays a failure diagnosis code on the display unit (display 130) of the user terminal 100. Mark it on. For example, when the fault diagnosis code is a fault related to the engine, a message such as "engine abnormality occurred" is generated on the display unit.

Therefore, even if the user is not an expert who is not familiar with the vehicle, the component related to the failure is displayed as a letter or displayed on the user's display screen, not as a bulletin board, to indicate which component is malfunctioning and which component has an abnormality. You can grasp at a glance.

Also, in the storage unit 118, response actions related to the vehicle's fault diagnosis code are further stored as text, images, and videos, and the user can call them if necessary to provide assistance to the user to respond appropriately to the fault. have.

The battery abnormality determining unit 113b is configured to determine an abnormal state of the battery attached to the vehicle. 4 is a flowchart illustrating a flow of determining a battery abnormality in the battery abnormality determination unit 113b.

As illustrated in FIG. 4, the battery abnormality determining unit 113b receives battery information from the OBD II information receiving unit 111 in step S100. In the subsequent step S110, it is determined whether the current battery is a passenger car battery 12V, and if it is determined that the battery is not a 12V battery, the process proceeds to step S110a.

If it is determined in step S110 that the battery is a battery of 12V power, the current voltage state is checked in step S120. When it is determined in step S130 that the current battery voltage state is 10 V or less, the battery abnormality determination unit 113b displays a display to replace the battery as in step S140.

On the other hand, if it is determined in step S110 that it is not a 12V power supply, the process proceeds to step S110a to determine whether the battery for the van is 24V, and if it is determined in step S110a that the battery is a battery of 24V power, the current voltage state is continued in step S120a. Check. If it is determined in step S130a that the current battery voltage state is 20 V or less, the battery abnormality determination unit 113b displays a display to replace the battery as in step S240.

In the above-described embodiment, it has been described as an example that the reference voltage is 10V or less for the 12V power supply and 20V or less as the reference voltage for the 24V power supply, but the present invention is not limited thereto, and the plurality of sections are set as follows to inform the user Can be configured.

* 12V power

11 V or higher-good (shown in green)

10V to less than 11-Normal (shown in yellow)

Less than 10V-need to be replaced (marked in red)

* 24V power

23 V or more-good (shown in green)

20V to under 23-Normal (shown in yellow)

Less than 20V-need to be replaced (marked in red)

Next, the consumable cycle determination unit 13c will be described below. The consumable cycle determination unit 13c calculates the replacement cycle for parts or consumable parts (engine oil, tire, oil filter, air cleaner filter, spark plug, etc.) that need to be replaced according to the driving of the vehicle.

The following parts or consumables represent a typical vehicle parts or consumable replacement cycle.

<Interchange and inspection cycle of major parts or consumables of the vehicle>

Engine oil: 15,000Km exchanged every

Air cleaner filter: exchange every 40,000Km

Spark plugs: exchange every 40,000Km

Timing belt: exchange every 140,000Km

Brake disc: every 10,000Km check

Air conditioning air filter: every 15,000Km replacement

Transmission oil: every 50,000Km replacement

As described above, the consumable cycle determination unit 113c functions to calculate the replacement and inspection cycle of the main parts or consumables of the vehicle, and the user notification generation unit 114 to notify the user of the determination result in the consumable cycle determination unit. .

In addition, in the present invention, the consumable cycle determination unit 113c includes a monitoring function for detecting the washer fluid of the vehicle. The consumable cycle determination unit 113c monitors the state of the vehicle's washer fluid charge and, when the vehicle's washer fluid reaches below a certain level, in the form of notifications, vibrations, pop-ups on the smartphone, or when the user's application is running. It can function to display it on the display of the smartphone.

In the case of the washer fluid, monitoring of the state of charge of the washer fluid can be performed regularly only when the fueling port of the vehicle is opened. This is because the replacement cycle of the washer fluid is not proportional to the driving distance of the vehicle, but rather is largely consumed due to the driving habits of the user.

Therefore, in the present invention, the washer fluid can be filled at any time during refueling by informing the user of the washer fluid state of the vehicle only when the refueling port of the vehicle is opened for refueling.

5 is a flowchart showing an example for replacing consumables in the consumables cycle determination unit 113c. In the example of FIG. 5, the flow of generating the engine oil exchange message corresponding to the mileage is representatively represented, and the same flow may be applied to other air cleaner filters, spark plugs, timing belts, brake discs, air conditioning filters, and transmission oils. have.

First, the consumable cycle determination unit 113c receives the driving distance information from the OBD II information receiving unit 111 as in step S200. After receiving the mileage information from the consumables cycle determining unit 113c, in step S210, the consumables cycle determining unit 113c determines whether the current mileage corresponds to the engine oil replacement distance of 15,000Km * n (where n = 1). If the engine oil replacement distance is less than 15,000 km, the step returns to S200 to continue monitoring the mileage.

When the mileage reaches 15,000km in step S210 (n = 1), the consumable cycle determination unit 113c is a message indicating that the engine oil has been exchanged with the user as in step S220 through the user notification generation unit 114. Will be notified.

The user first recognizes that the engine oil needs to be replaced through the engine oil exchange message displayed on the display, and in step S230, the consumable cycle determination unit 113c queries the user whether the engine oil has been replaced.

In step S230, if the user responds that the engine oil has been replaced, the step proceeds to S140, and in S140, the consumable cycle determination unit 113c stores the exchanged Km and calculates the cycle for the next engine oil replacement. In this case, simply adding 1 to n can calculate the mileage (15,000 km * 2) for exchanging the next engine oil, or adding 15,000 km to the engine mileage replaced.

After the mileage for replacing the next engine oil is calculated, the step returns to S200, and the consumable cycle determination unit 113c monitors whether the next engine oil replacement cycle has been reached.

Meanwhile, the replacement cycle of such consumables or parts may vary depending on the engine type, air conditioning type, and part material used in the vehicle. In the present invention, it is configured to allow the user to change the replacement cycle of such consumables or parts.

6 illustrates a user input setting that allows a user to exchange the replacement cycle of consumables or parts as described above. The user can set the mileage and repeatability for each item through the replacement cycle setting window for consumables or parts.

In addition, the item to set the replacement cycle for parcels or parts can be added by the user through the Add Item button, or the Delete button can be used to proceed with the deletion of unwanted items, so that the user can more closely manage the desired items. Can be configured.

As described above, the inspection data generation unit 115 collects the fault diagnosis codes from the vehicle error determination unit 113a from the OBDII information receiving unit, and collects the fault diagnosis codes and the current location information of the vehicle. 117).

1 and 7, the server 200 is connected to the database 300. When the server 200 receives the vehicle failure diagnosis code from the vehicle abnormality determination unit 113a, the server 200 analyzes the failure diagnosis code of the corresponding vehicle and, in response, performs a search for a vehicle repair company from the database 300 do.

The database is a database of vehicle parts by company (tyre, engine, cooler, air conditioner, electronic parts, mechanical parts, etc.), and a database by vehicle manufacturer (Hyundai, Kia, Samsung, Chevrolet, Mercedes, BMW, Audi, Honda, etc.), It consists of a database of repair estimates for each company.

When the server 200 receives the nose code from the application of the vehicle, it performs analysis (engine abnormality, air conditioner error) on the corresponding nose code and selects a plurality of companies capable of repairing the corresponding nose code (eg For example, a company listed in the parts-specific database, a company selected from the manufacturer-specific database). At this time, the selected companies may be selected companies located within a predetermined range based on the GPS information where the user is located.

The server 200 transmits a fault diagnosis code to selected companies, requests detailed analysis and quotation of the fault diagnosis code from the selected companies, and the selected companies server repair estimates for the corresponding fault diagnosis code Will be shipped to. At this time, the server 200 may provide a mashup map service for user's convenient search. Mash-up service is a technology that mixes two or more resources into new resources on the web. For example, consider a mixed service that mixes Naver's news service with the following map service. In this case, it is easy to know where the event occurred by displaying a symbol in the area where the news occurred. Also, if you select a region on the map, you can create a convenient service that collects and shows only the news of the region. The present invention further provides a mashup map service that provides information on a selected company in real time using such a mashup service.

As described above, the server sends the repair estimate received from the selected companies back to the diagnostic data receiving unit 119 of the user's application, and the diagnostic data receiving unit 119 receiving the repair cause more specific failure from the received data. You will receive quote information along with the information.

Therefore, the user may select a company that can be repaired at a lower cost based on the quotation information and proceed with the repair, or select a company closer to the vehicle based on the distance information and repair the vehicle.

8 is a view showing the overall operation flow in the vehicle abnormality diagnosis system as described above. 8, in step S310, OBD II data is received from the OBD II receiver.

In step S320, the application analyzes the received data and determines whether there is abnormal data (including a fault diagnosis code) in the data received in step S330.

If it is determined in step S330 that there is no fault diagnosis code, it is determined to be normal and returns to step S310 to receive the next OBD II data. On the other hand, if it is determined in step S330 that there is abnormal data, the application generates a warning notification on the screen of the user in step S340 (or generates a vibration, sound, or push message).

In the subsequent step S350, if the user performs a check request to the server 200, the step proceeds to S360, whereas otherwise, the step returns to S310. In step S350, when the user requests the vehicle to check the vehicle, the application acquires the manufacturer information and the fault diagnosis code together with the user's GPS information in step S360 to generate data.

In the subsequent step S370, the application transmits the manufacturer information and the fault diagnosis code data together with the acquired GPS information to the server, and the server receives the inspection data and the user's GPS information in step S380.

In addition, in step S380, the server selects a company based on the fault diagnosis code, manufacturer information, and user GPS information from the database connected to the server, transmits the fault diagnosis code and vehicle information to the selected company, and requests a quotation.

In addition, in step S380, when the server receives the quotation from the selected company, it generates mashup map information for the corresponding companies along with the received quotation information and transmits it to the user's application.

In step S390, the application receives quotation information together with the mashup map information from the server, and the user can grasp information about the corresponding company included in the mashup map information, and the user reservation function included in the mashup map information in step S395 By making it easier to reserve the vehicle maintenance (step S400).

If the user does not want to make a reservation in step S395, the step returns to the first step S310.

According to the present invention as described above, when the replacement or replacement cycle of parts of a vehicle, especially consumables, is reached, the user can be informed in advance to prevent a vehicle failure, and also detects an abnormality of the vehicle and characterizes the vehicle to the user In the form of or in audible form, and also informs the user of the repairable company with the repair quote, the user can easily know where the problem occurred in the event of an abnormality of the vehicle and also prevent excessive repair costs in advance. It becomes possible.

The above description is merely illustrative of the technical idea of the present invention, and those of ordinary skill in the art to which the present invention pertains will be capable of various modifications and variations without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are for illustrative purposes, not for limiting the technical spirit of the present invention, and the scope of the technical spirit of the present invention is not limited by these embodiments.

Therefore, the protection scope of the present invention should be interpreted by the following claims rather than limited by the above-described embodiments, and all technical spirits within the equivalent range should be interpreted as being included in the scope of the present invention.

10: OBD II transmitter 11: connector
13: processing unit 15: communication unit
17: GPS receiver 100: user terminal
110: dedicated application 111: OBD II information receiving unit
113: judgment unit 114: user notification generation unit
115: inspection data generation unit 130: display unit
119: diagnostic data receiving unit 117: server communication unit
200: server 300: database

Claims (6)

In the vehicle abnormality diagnosis system for diagnosing a vehicle abnormality using the OBD II terminal of the vehicle,
An OBD II transmitter connected to the OBD II terminal of the vehicle and transmitting data acquired from the OBD II terminal to an application installed in the user terminal;
A user terminal installed with an application for determining an abnormality of a vehicle based on OBD II data acquired from the OBD II transmitter;
It includes a server that performs communication with the application of the user terminal-the server is connected to a database containing data for vehicle maintenance companies that perform maintenance of the vehicle-includes,
The application,
OBD II data receiving unit for receiving OBD II data from an OBD II transmitter,
A vehicle abnormality determination unit for determining an abnormality of the vehicle based on the received OBD II data;
A battery abnormality determination unit for determining a battery abnormality of the vehicle based on the received OBD II data; And
Consumable cycle determination unit for determining the replacement cycle of the consumables of the vehicle based on the received OBD II data,
When the application determines that the vehicle has an abnormality from the vehicle abnormality determination unit, the vehicle fault diagnosis code obtained from the user's GPS information, vehicle information, and OBD II data is generated as inspection data and transmitted to the server,
The server searches the database connected to the server by using the user's GPS information, vehicle information, and fault diagnosis code transmitted by the user, transmits it to a plurality of vehicle maintenance companies, and simultaneously diagnoses and repairs the vehicle from a plurality of vehicle maintenance companies. Request quote information,
The server is configured to transmit diagnostic results and repair estimate information for a vehicle received from a plurality of vehicle maintenance companies to the user's application,
The battery abnormality determination unit is configured to monitor the current voltage of the battery obtained from the OBD II data and notify the user to replace the battery when the current voltage is lower than the reference voltage,
The consumable cycle determination unit is configured to notify that the corresponding consumables are to be exchanged or checked when the mileage information of the vehicle reaches a predetermined mileage reference value based on the mileage information of the vehicle obtained from the OBD II data. The reference value is
Engine oil: every 15,000Km,
Air cleaner filter: every 40,000Km,
Spark plug: every 40,000Km,
Timing belt: every 140,000Km,
Brake disc: every 10,000Km,
Air conditioning air filter: every 15,000Km, and
Transmission oil: contains every 50,000Km,
The consumable cycle determination unit is configured to monitor the residual amount of washer fluid, and when the refueling port of the vehicle is opened, the consumable period determination unit detects the residual amount of washer liquid in the vehicle and, if the detected washer liquid residual amount is less than a reference value, notifies the application of the washer to the user's application Composed,
When the server transmits diagnosis results and repair estimate information for a vehicle received from a plurality of vehicle maintenance companies to a user's application, the server is configured to generate a mashup map for a plurality of vehicle maintenance companies and further transmit the mashup map,
Each of the mashup maps further includes location information and quotation information of a corresponding vehicle maintenance company, and the user is configured to select a desired vehicle maintenance company based on the quotation information or location information included in the mashup map.
Vehicle abnormality diagnosis system.
delete delete delete delete According to claim 1,
When a 12V battery is used in the vehicle, the battery abnormality determination unit,
If the battery is more than 11V, the battery status is displayed in green, if the battery is in the range of 10V or more to less than 11, it is displayed in yellow, and if the battery is less than 10V, it is displayed in red and at the same time it is displayed on the display of the user terminal. and,
When a 24V battery is used in the vehicle, the battery abnormality determination unit,
If the battery is over 23V, the battery status is displayed in green, if the battery is in the range of over 20V to less than 23, it is displayed in yellow, and if the battery is under 20V, it is displayed in red and at the same time it is displayed on the display of the user terminal. Characterized by being configured to
Vehicle abnormality diagnosis system.

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