KR100240561B1 - Self-diagnosis system for a vehicle - Google Patents

Abstract

Displays all information on the cars detected during operation through the display means and records and stores the driving information detected at the same time so that drivers, car dealers, car service companies, repair shops and other related companies can efficiently manage vehicles, customer management, quality control and safety management. And driving record management, and this information can be connected online at any time and place as desired by the driver to a car dealer, a car service company, a repair shop or a car company equipped with a host computer. Recognizing the problem and identifying repair shops that can be repaired and repaired through this, and preliminary maintenance registration, it is a connection that connects various detection means and various control devices provided in the vehicle to transmit and receive the interface of detection and control signals. Means, detected via the connecting means Analyzing the overall data and storing it as backup data in the memory means and displaying the detected information through the display means according to the selected mode, and controlling the communication connection means to connect the host computer provided in the automobile related company or other places. Analyze and diagnose the self-diagnosis data through a call connected to a host computer installed in an automobile company and other places, and a diagnostic device that analyzes the self-diagnosis data, schedules maintenance schedules, and sends and receives various information. And transmitting and receiving information.

Description

Automotive diagnostic device

The present invention relates to a driving information monitoring apparatus for a vehicle. More particularly, the vehicle management and driving is performed by recording and storing each driving information detected at the same time as displaying the general information about the vehicle detected while driving through a display means. It provides efficiency in records management and makes it possible for the auto dealership, car service company, or other places to register the auto repair shop with the on-line registration of the maintenance service. The present invention relates to a self-diagnosis device for a vehicle that provides sex.

Due to the widespread use of automobiles and the proliferation of female drivers, it is possible to artificially diagnose the failure of any parts or consumables (oil, brake lining, tires, etc.) in driving a car, which is one of the complex mechanisms. There are very few drivers, and in particular, automobiles, which are being advanced with the spread of various kinds of conveniences, are equipped with various sensors so that even drivers who have common sense in the car can check the normal operation of each part of their cars. There is no situation.

In general, the monitoring device provided in the currently sold cars are provided in the cluster, the oil warning lamp to be turned on in accordance with the engine oil exhaustion, the battery warning light to warn you whether the battery is discharged, the level of fuel amount is detected It is equipped with a fuel warning light and gauge to indicate the temperature, and a temperature detection indicator to detect and indicate the temperature of the coolant.In the case of luxury cars, more information is provided together, and more information from various sensors is provided in the future. Is ahead.

In addition, in the case of a lorry, a high-speed bus, and a vehicle for sales, a driving distance that is driven on the recording paper by inserting the recording paper at the bottom of the Taco Meter or Speedo Meter of the cluster as a driving information monitoring device. And a mechanical detection device for indicating a driver's driving habit, driving speed, driving time, and the like in a graph.

As described above, in the case of a general warning light or an indicator provided in a cluster in a conventional vehicle, the vehicle is provided with a variety of information and a vehicle detected while driving only by indicating a warning light only for an extreme situation in which the vehicle cannot be operated. There was a problem in that there is no function of detecting the degree of wear or replacement time and abnormality of each part to be able to perform a practical diagnostic function.

In addition, the driving information monitoring apparatus using the recording paper has a problem in that the actual driving information cannot be detected when the driver detaches the recording paper from the monitoring device while driving, and thus the actual driving information is not detected. Since the driving speed is limited, there is a problem in that efficient driving information is not detected.

In addition, since the detection and recording of the driving information is performed in a graphic form, the efficiency of analyzing the actual driving information is lowered. There is a problem that can not perform a practical diagnostic function for the driving of the vehicle because the function of detecting the is excluded.

The present invention has been made in view of the above-mentioned general problems, and an object thereof is to provide a variety of high-tech devices provided in a vehicle, a detection means for detecting the operation execution state, and an operation state of the vehicle, and various components required for driving the vehicle. Multi-connected detection means for detecting the degree of wear and damage and the condition of the lubricant oil through the cross section connector to instruct the driver through the monitor the overall information detected while driving the vehicle Various driving information to be detected is stored in the memory means as backup data (Back Up Data) to provide efficiency in vehicle management and driving management.

In addition, it connects to a host computer installed in an automobile company through a modem to check whether there is an error in the diagnostic data stored in the memory means and to schedule maintenance according to the schedule of the maintenance shop. A host computer provided at a place is connected to simultaneously execute a function of navigation for transmitting and receiving the current location information, the situation of the road to be operated, and various kinds of information.

In addition, when the driver removes only the card and visits a maintenance shop using the memory means as an SRAM card, the driver can check general information about his vehicle.

According to an aspect of the present invention, there is provided a driving information detecting apparatus for a vehicle, comprising: connecting means for transmitting / receiving and interfacing detection and control signals by multi-connecting various detection means and various control devices provided in the vehicle;

Analyze the overall data detected during operation through the connection means and store the data as backup data in the memory means and display the general information detected by the driver through the display means according to the selected mode, and control the communication connection means. A diagnostic apparatus for connecting a host computer provided in a cow or other place, and then performing analysis of the self-diagnostic data, reservation of maintenance schedules, and transmission and reception of various kinds of information;

It is characterized in that it comprises a host computer which is installed in automobile related companies and other places and performs analysis of self-diagnosis data and transmission and reception of various information through a connected communication path.

1 is a block diagram of a device for self-diagnosis of a vehicle according to an embodiment of the present invention.

Figure 2 is a detailed block diagram of a diagnostic apparatus in the present invention of Figure 1;

3 is a flow diagram of one embodiment of self-diagnosis and other function implementations in the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As can be seen in Figure 1, the self-diagnosis apparatus for a vehicle according to an embodiment of the present invention comprises a cross-section connector 100, a diagnostic apparatus 200 and a host computer 300, the cross-section connector ( 100 is a multi-connected various detection means provided in the vehicle and various control devices added to the convenience of the vehicle to apply the overall signal detected to the diagnostic apparatus 200 side, the diagnostic apparatus 200 or not shown The overall control signal applied from the control means is applied to the corresponding adjusting device side.

The diagnostic apparatus 200 analyzes the overall data detected during operation applied from the cross section connector 100, stores predetermined data as backup data in the memory means, and selects general information detected at the same time. The display means is displayed to the driver through the display means, and the host computer installed in the maintenance shop or other places is connected to make a reservation for the maintenance schedule, analyze the detected diagnostic data, check the status of the local road to be operated, and Executes the navigation function for sending and receiving.

The host computer 300 is a computer installed in an engine for driving a car and providing various information to a maintenance shop and other places. The host computer 300 corresponds to a signal required when a communication path is connected to the diagnostic apparatus 200 through a modem. Send and receive data.

As can be seen in the accompanying FIG. 2, the diagnostic apparatus 200 includes an interface unit 210, a microprocessor 220, a key input unit 230, a modem 240, a memory unit 250, and a display. The driving unit 260 is formed.

The interface unit 210 is connected to the cross section connector 100 to perform data communication in a predetermined manner under the control of the microprocessor 220.

The microprocessor 220 maintains a function of self-diagnosis through calculation and analysis of various detected data, maintains backup of the diagnosed data, requests for connection of the host computer 300 through the modem 240, and reads, detects, and reads data. It controls the display of the overall signal and the overall operation for maintaining the stable operation of the system.

The key input unit 230 is provided at a predetermined position on the front panel of the diagnostic apparatus 200, and includes a ten key (0-9) and a predetermined function key according to the self-diagnosis mode setting and the set mode of the vehicle. An overall key signal for processing and executing the data to be read through the processing execution and communication of the detected data is input.

In the microprocessor 220, a mode for self-diagnosis and a general operation mode, such as reading and displaying data backed up and diagnosed and stored in a backup mode, are set as codes, and enters the corresponding mode according to the selection of the key input unit 230. Run the selected mode.

Modem 240 is a communication connection means having a predetermined data processing speed and connected to a host computer 300 installed in a maintenance shop, a public institution, or other places according to a control signal of the microprocessor 220, and a predetermined method. Data communication is performed.

The memory unit 250 is formed of an SRAM card, and stores the overall operation state and diagnostic information of the vehicle detected while driving as backup data at a designated address, and is detachably installed from a slot of the diagnostic apparatus 200.

The display driver 260 displays the general information detected in the driving state, the self-diagnosis data, and the data received from various host computers 300 in a predetermined state according to the control signal applied from the microprocessor 220. Drive for

In the present invention having the function as described above, the self-diagnosis and the operation of other functions will be described with reference to FIG. 3.

When the vehicle starts to operate, overall data information such as oil state detected by various detection means, degree of wear and damage of parts, and normal operation of various control devices are interfaced to the cross section connector 100, and then It is applied to the microprocessor 220 side through the interface unit 210 provided in the diagnostic apparatus 200.

The microprocessor 220 performs reading on the detected information through calculation and analysis of various pieces of information of the detected vehicle according to a set program, and then designates the read-out corresponding data information to a predetermined address address of the memory unit 250. In the case of urgent information causing trouble in driving of the vehicle from the information detected at the same time, the alarm is notified through an alarm not shown and a predetermined letter or number is displayed on the display means through the drive of the display driver 260. Indicate the status of the part.

The predetermined function provided in the key input unit 230 for the driver to check information on any part of the vehicle in a state in which various information on the state of the vehicle detected according to the driving of the vehicle is self-diagnosed and stored as described above. When the selection signal is input using the key and the ten key (0-9), the microprocessor 220 analyzes the input key signal and enters the corresponding mode.

Thereafter, the microprocessor 220 reads the selected information from the memory 250 and processes the data so that the signal can be displayed as information of letters or numbers through the display driver 260 and then displays the display means. Display information about the selected part.

Checking the information on any part of the vehicle in the above information on the general information on the engine oil and brake oil information, the information on the automatic transmission oil, the operating state of the engine, the state of the combustion gas, whether the normal operation of the various control devices, It is possible to selectively check the overall situation of the vehicle, such as the normal operation of the air conditioner, the abnormality of the ABS brake system, etc., and the data information thereof is displayed by numbers, letters, and graphics through the display means.

In addition, the driver determines that there is an abnormality in any part as a result of self-diagnosis while driving the car to an arbitrary destination, and the driver uses the tenkey (0-9) and the function of the key input unit 230 to register the reservation at the maintenance shop. After selecting the host computer 300 connection mode by using a key and inputting a station number, a unique number, and an ID number for connecting to the corresponding host computer 300, the microprocessor 220 responds to a signal applied from the key input unit 230. Accordingly, the host computer 300 enters the connected mode and enters the modem 240 into the enabled state.

Thereafter, the microprocessor 220 attempts to connect with the host computer 300 corresponding to the selected station number, unique number, and ID number according to the set program to form a call, and information on whether the call is formed is displayed on the display means. Give it.

When any host computer 300 is connected by the above operation, the driver enters the maintenance reservation mode according to the message displayed on the display unit, and then the corresponding part of the maintenance list received from the host computer 300. Set up a reservation by entering the date and time you wish to maintain, taking into account your current location and traffic conditions.

In case of setting up the reservation maintenance in the above, considering the situation of the road to the current operation area and the maintenance shop, the traffic control station is responsible for the traffic situation of the road with the self-diagnosis device entered the navigation function mode by multitasking. You can check all the information.

In addition, in the situation where the vehicle is not driven, when the driver wants to perform a diagnosis on the abnormality of the vehicle through the host computer 300 installed in the repair shop, the driver 250 is configured in the form of an SRAM card. Is removed from the slot of the self-diagnosis apparatus 200 and then connected to the host computer 300 in the maintenance shop, the overall data recorded in the memory unit 250 is read and analyzed by the host computer 300 in operation. You can check the detected overall information.

As described above, the self-diagnosis apparatus for a vehicle according to the present invention detects general information such as the state of the vehicle, driving habits, and driving distance detected while driving, is recorded in the memory means, and displayed to the driver through the display means. It provides convenience for management, and provides reliability and convenience in determining the time of oil change or the failure or repair of various parts or control system of the vehicle based on the recorded and stored data.

In addition, the present invention interfaces the information detected in each part of the vehicle through a cross-section connector, providing stability, convenience, and speed to the interfacing of data, and a host computer provided in a maintenance shop and other places through a modem. It is designed to provide efficiency in the use of the car by connecting to the host computer so that reservations for maintenance and other necessary information can be sent and received.

In addition, the present invention is to be able to simultaneously perform the function of the navigation to receive the traffic conditions of the road and to display through the display means.

Claims (5)

An apparatus for detecting driving information of a vehicle, comprising: connecting means for transmitting / receiving and interfacing detection and control signals by multi-connecting various detection means and various control devices provided in the vehicle; Analyze the overall data detected during operation through the connection means and store the data as backup data in the memory means and display the general information detected by the driver through the display means according to the selected mode, and control the communication connection means. A diagnostic apparatus for connecting a host computer provided in a cow or other place, and then performing analysis of the self-diagnostic data, reservation of maintenance schedules, and transmission and reception of various kinds of information; A self-diagnosis apparatus for a vehicle, comprising a host computer installed in a maintenance shop and other places, the host computer executing analysis of self-diagnostic data and transmission and reception of various information through a connected communication path. The self-diagnostic apparatus of claim 1, wherein the connecting means uses a cross section interface means. The apparatus of claim 1, wherein the diagnostic apparatus comprises: interface means connected to the connection means and executing data transmission and reception according to a set protocol; Controls the overall operation of the system, such as the function of self-diagnosis through operation and analysis of the various data detected through the interface means, maintaining the backup of the diagnosed data, displaying the read data, connecting to the host computer, and controlling data transmission and reception. Control means; It is provided at a predetermined position on the front panel of the diagnostic apparatus, and has a ten key and a predetermined function key. The data is read through communication and execution of the data detected according to the self-diagnosis mode setting and the set mode. Key input means for inputting an overall key signal for processing and execution of the key; Communication means for performing data communication in a predetermined manner by being connected to a host computer installed in a maintenance shop or other places according to the control signal of the control means; Memory means for storing the overall operation state and diagnostic information of the vehicle detected while driving as backup data at a designated address; And display drive means for executing a drive for displaying and displaying general information detected by the control signal of the control means and self-diagnosis data and data received from various host computers. The method of claim 2, wherein the control means has a mode for self-diagnosis and the overall operation mode, such as data backup, reading and display of backup and stored data is set to a code and enters the corresponding mode according to the selection of the key input means. Self-diagnosis device for cars. The self-diagnostic apparatus of claim 2, wherein the memory means is detachable from the slot of the diagnostic apparatus with an SRAM card, and the recorded backup data is preserved even when the memory apparatus is removed from the slot of the diagnostic apparatus.

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