JPH09164923A - Vehicle maintenance control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To monitor the diagnosis result on the vehicle side and diagnose the failure of a diagnostic function itself by providing a radio transmission section transmitting the data of a maintenance file on a file control device, and providing a radio reception section and a monitor section displaying the diagnosis result on a diagnosis reporting device. SOLUTION: Outputs of detecting circuits such as a telemeter 1 or a sensor 2 are inputted to a vehicle CPU 3, are controlled by the vehicle controller 6a of a vehicle radio section 6 via a vehicle adapter 5, and are transmitted via radio to the base side from an antenna 7 by a vehicle transmission section 6b. A base radio section 14 is controlled by a base controller 14a, the diagnosis result from the vehicle side is received by a base reception section 14c, and it is inputted to a base CPU11 via a base data adapter 13. It is displayed on a base display screen 1O, it is transmitted to a vehicle reception section 6c from a base transmission section 14b, it is inputted to the vehicle CPU3 via the vehicle data adapter 5, and it is displayed on a vehicle display screen 4 together with the diagnosis result.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle-side device and a base-side device for diagnosing a vehicle failure condition and notifying a maintenance result to a base, a gas station, etc. of the diagnosis result, and managing the vehicle maintenance. In particular, the present invention relates to a vehicle maintenance management device capable of receiving information provided from a base while a driver and a mechanic independently monitor vehicle maintenance management on the vehicle side.

[0002]

2. Description of the Related Art Conventionally, a vehicle equipped with a fault diagnosing device mounted on a vehicle has a function of transmitting a fault diagnosing result to a base and a function of accumulating the diagnosing result in a data storage device at the base. When managing maintenance,
It is important to organize and accumulate multi-faceted diagnostic results that indicate failure status.For this purpose, vehicle maintenance consisting of a center facility equipped with an in-vehicle diagnostic notification device by wireless transmission and a base-installed file management device Various management devices have been proposed.

FIG. 3 is an explanatory view for explaining an example of a conventional vehicle maintenance management device disclosed in Japanese Patent Laid-Open No. 62-94442. The conventional device shown in FIG. 3 includes a diagnostic notification device 100 mounted on a vehicle and a center facility 200 installed in a dealer's store or the like. FIG. 4 shows FIG.
6 is a configuration diagram illustrating a configuration of a conventional device in FIG. 4, the diagnostic notification device 100 includes sensors 110a ... 110n that convert various vehicle conditions into detection signals.
And a diagnosis unit 12 that compares the detection signal with a reference value to diagnose a failure, and a transmission unit 13 that wirelessly transmits the diagnosis result to the base.
It consists of zero. The center facility 200 includes a receiving unit 210 that receives this radio, and a file management unit 220 that accumulates the diagnostic result as a file system suitable for searching and statistics and outputs it to a printer or a display at any time.

The diagnostic section 120 compares the battery voltage, the cooling water temperature, etc. with a reference value, determines whether the fuel pump, the lamp system, etc. are short-circuited or disconnected, and the alternator generated voltage, the engine ignition system, etc., with the reference characteristic. It is designed to match. Furthermore, environmental data of the vehicle related to the failure that occurred is collected, and when a failure is detected, a failure flag corresponding to the diagnostic item is set, and the status of this failure flag is judged when transmitting the diagnostic result. Do not accidentally duplicate the same failure. The transmission unit 130 adds the identification number of the mounted vehicle and transmits the diagnosis result and the environmental data to the base. The vehicle environment data includes outside air temperature at the time of failure, traveling distance, cooling water temperature, traveling time, and the like.

On the other hand, the file management unit 220 sets the basic data corresponding to the identification number as the first file, the index as the search key as the second file together with the storage address of the content data, etc., and sets the content data to be searched. The third file is managed in this storage address. The basic data includes the vehicle number, vehicle number, model, year, etc. of the installed vehicle, information such as personal or commercial use, gender of the user, age, presence or absence of driver's license, family composition, etc. Please register. As an index, the date and time of failure occurrence and the vehicle number are set, and the content data stores the content of the diagnosis result, vehicle environment data, mileage, and the like.

Therefore, at the time of maintenance and inspection, while referring to the history of the failure situation, the failure location and the cause are investigated, and the diagnostic result is statistically processed according to the vehicle type and application and used as field data for new vehicle development. .

[0007]

However, when the conventional vehicle maintenance management device is used to diagnose the failure of each part of the vehicle, there are the following problems. The first problem is that, in the conventional technique, the vehicle state is detected, the failure diagnosis is performed, and the diagnosis result is immediately transmitted to the base side. That is, the driver or the mechanic cannot monitor the diagnosis result on the vehicle side, and the vehicle side cannot diagnose the failure of the diagnosis function itself.

The second problem is that the diagnosis result is transmitted to the base side for processing, and then separately used for maintenance and statistics. In other words, even if the diagnosis result is a simple defect that can be solved by the driver, the base side cannot provide the diagnosis result or even any countermeasure.

A third problem is that the transfer of diagnostic results must always rely only on the transmission. That is, if the transmission function is stopped for some reason, the vehicle failure diagnosis cannot be performed at all.

The present invention has been made in view of the above problems, in which the driver and the mechanic voluntarily monitor the vehicle maintenance management on the vehicle side and receive the information provided from the base. It is an object to provide a vehicle maintenance management device that can also be used.

[0011]

In order to solve the above-mentioned problems, a vehicle maintenance management device of the present invention is a vehicle-mounted diagnostic notification device for performing a failure diagnosis of each part of a vehicle and wirelessly transmitting a diagnosis result, and this diagnosis. A wireless transmission unit that transmits the data of the maintenance file in the vehicle maintenance management device that has a stationary file management device that receives and accumulates the result at the base and manages it as a maintenance file, and that manages vehicle maintenance by the accumulated file Is provided in the file management device, and a wireless receiving unit for receiving this data and a monitor unit for displaying a diagnostic result are provided in the diagnostic notification device. According to the vehicle maintenance management device, data of the maintenance file is wirelessly transmitted from the file management device on the base side, and this data is received by the diagnostic notification device on the vehicle side and displayed on the monitor unit.

In the vehicle maintenance management device according to the present invention, the file management device transmits the data of the maintenance file corresponding to the diagnosis result, and the diagnosis notification device combines the data with the diagnosis result. Is displayed. According to the device of claim 2,
The data of the maintenance file is transmitted corresponding to the diagnosis result, and this data is displayed on the monitor together with the diagnosis result.

In the vehicle maintenance management apparatus according to the third aspect, the monitor section displays on a display screen or prints by a small printer. According to the apparatus of the third aspect, the display on the display screen or the printing by the small printer is performed on the monitor unit.

According to a fourth aspect of the present invention, there is provided a vehicle maintenance management device, wherein the diagnostic notification device measures a state of each part of the vehicle by a telemeter or detects by a sensor. According to the apparatus of the fourth aspect, the state of each part of the vehicle is measured by the telemeter or detected by the sensor in the diagnostic notification device.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration diagram showing a vehicle maintenance management device according to an embodiment of the present invention. FIG.
The embodiment shown in 1 is composed of a vehicle side, which is a vehicle-mounted diagnostic notification device, and a base side, which is a stationary file management device. The configuration on the vehicle side is the telemeter 1 provided in each part of the vehicle.
Alternatively, a detection circuit such as the sensor 2 is used as an input of the vehicle CPU 3, a vehicle data adapter 5 that transfers data to and from a wireless unit is used as an input / output of the vehicle CPU 3, and a vehicle display screen 4 that is a monitor unit is used as a display output. .

The vehicle radio unit 6 is controlled by the vehicle control unit 6a, and the data of the vehicle data adapter 5 is wirelessly transmitted from the antenna 7 via the vehicle transmission unit 6b and wirelessly received via the vehicle reception unit 6c. There is. The data input from the detection circuit is accumulated in a memory (not shown) of the vehicle CPU 3, and when the data is not communicated with the base side, the vehicle failure diagnosis is performed and the diagnosis result is displayed on the vehicle display screen 4
To be displayed. When communicating, this accumulated data is exchanged by the vehicle data adapter 5 and transmitted to the base side via the wireless unit. In addition, if a small printer is provided in combination with the vehicle display screen 4, it becomes convenient when the diagnosis result is recorded as a record on the vehicle side.

Next, in the configuration on the base side, the base display screen 10 is used as a display output of the base CPU 11, the keyboard 12 is used as an operation input, and the base data adapter 13 is used as an input / output. In addition, the base station radio unit 14 also has a base station control unit 14a, a base transmitter unit 14b, and a base receiver unit 14c, similar to the vehicle radio unit.
Consists of The diagnostic result data wirelessly transmitted from the vehicle side is received by the base reception unit 14c, exchanged data via the base data adapter 13, and stored in a memory (not shown) of the base CPU 11. In the base CPU 11,
The accumulated data is calculated / compared / searched and the keyboard 12 is operated to input additional data.

The results are displayed on the base display screen 10 and the base data adapter 13
Data is exchanged via the base station and wirelessly transmitted to the vehicle side by the base transmitter 14b. On the other hand, the data of the maintenance file wirelessly transmitted from the base transmission unit 14b is received by the vehicle reception unit 6c, data exchange is performed by the vehicle data adapter 5, and the data is stored in the memory of the vehicle CPU 3 as well as the diagnostic result. It is also displayed on the vehicle display screen 4. The data from the maintenance file is a driver's coping method or a mechanic's repair method corresponding to the diagnosis result of each part of the vehicle.

Next, the operation of the embodiment of the present invention will be described. FIG. 2 is a flow chart schematically showing the processing of the operation by the apparatus of the present invention in FIG. 1, FIG. 2 (a) shows processing on the vehicle side, and FIG. 2 (b) shows processing on the base side. FIG.
In (a), when the driver or the like turns on the ignition key of the vehicle (step 20), the measurement signal from the telemeter 1 is input to the vehicle CPU 3 (step 21) in FIG. Similarly, the input signals are compared (step 22), these input signals are compared with a reference value to determine whether the vehicle is normal or abnormal (step 23), and when it is determined to be abnormal, the vehicle flag F1 is determined. Is performed (step 24).

The vehicle flag F1 indicates that an abnormality of the vehicle is detected in the failure diagnosis in the previous processing, and if the vehicle flag F1 = 0, it indicates that the vehicle is normal.

As a result, if the vehicle flag F1 = 1, it is judged whether or not it is the same as the abnormal mode of the vehicle already detected in the previous processing (step 25). 21 is repeated and a new failure diagnosis is repeatedly performed. However, if the vehicle flag F1 = 0 or the abnormality mode is different from the last time, the abnormality mode is registered in the memory of the vehicle CPU 3 (step 26) and the vehicle flag F1 = 1 is set (step 27). ), And displays on the vehicle display screen 4 (step 31). The abnormal mode data to be registered are:
The numerical values of the measurement signal and the state of the detection signal are classified and shown in each part of the vehicle.

When the vehicle suitability determination (step 23) is determined to be normal, the vehicle flag F1 is also determined (step 28), and as a result, the vehicle flag F1 =
If the value is 1, it means that the abnormality of the vehicle detected in the previous processing has been recovered, so the data correction of the abnormality mode at that time is completed (step 29), and the vehicle flag F1 is reset to 0. Then (step 30), the vehicle display screen 4 is displayed (step 31). If the vehicle flag F1 = 0, step 21 is performed again to repeatedly perform a new failure diagnosis.

When the display of the vehicle display screen 4 (step 31) is completed, the diagnostic results registered in the memory of the vehicle CPU 3 are compiled as transmission data (step 32) and wirelessly transmitted to the base side via the data adapter 5. At the same time (step 33), the vehicle performs step 21 again to repeatedly perform a new failure diagnosis. Next, the processing of the operation on the base side will be described.

In FIG. 2B, the processing on the base side receives the transmission data I in step 33 of the processing on the vehicle side via the base data adapter 13, and the diagnostic result in the received data is compared with the reference value. It is determined whether the base is appropriate or not (STEP 34), and when it is determined to be normal, the base flag F2 of the vehicle is determined (STEP 40). The base flag F2 also indicates that the abnormality of the vehicle has been detected in the previous processing, and if the base flag F2 = 0, it indicates that the vehicle is normal.

As a result, when the base flag F2 = 0, step 34 is executed again to repeatedly make a new suitability judgment. If the base flag F2 = 1, the correction of the abnormal mode data at that time is completed (step 41), and the base flag F2 = 0 is reset (step 42), as in the process on the vehicle side. ), And display on the base display screen 10 (step 42).

Even when it is judged as abnormal by the above-mentioned suitability judgment (step 34), the base flag F2 is also judged (step 35). As a result, when the base flag F2 = 0, the step 34 is again executed. Carry out and repeatedly make new suitability judgments. However, if the base flag F2 = 1, it is compared whether or not the abnormal mode received in the previous process is data relating to the vehicle (step 36). If they match, the newly received abnormal mode is compared. The data is registered and updated (step 38), and if different, the data is searched until the information about the vehicle is obtained (step 37), and the obtained data is registered and updated (step 38). When the data registration (step 38) is completed, the base flag F2 = 1 is set (step 39), and the base display screen 10 is displayed (step 43).

The display information in the screen display (step 43) may be input from the keyboard 12 as necessary, in addition to the base display information such as the information used for the data search and data registration and the information about the failure location. The past data corresponding to the diagnosis result is referred to, or an appropriate countermeasure or repair method (countermeasure) that is separately searched and analyzed is extracted and displayed together as additional display information.

When the screen display (step 43) is completed, the base display information and the additional display information are collected as transmission data (step 44) and wirelessly transmitted to the vehicle side via the data adapter 13 (step 45). ,
The step 34 is again executed to repeatedly make a new suitability judgment. This transmission data is received by the vehicle side and displayed on the vehicle display screen 4 as a countermeasure for the vehicle side to call the driver's attention.

It should be noted that the present invention is not limited to the above-mentioned embodiments, and various modifications can be made without departing from the scope of the present invention.

[0030]

As described above, the vehicle maintenance management device of the present invention has the following effects. First, not only the diagnosis result is transmitted to the base side, but also a driver or a mechanic can monitor it on the vehicle side, and if necessary, the vehicle side can diagnose the failure of the diagnostic function itself.

Secondly, the diagnosis result is processed on the base side for use for maintenance and inspection and statistics, and the result can be provided to the vehicle side, so that the driver can solve the simple trouble and any countermeasures against it. Can inform you.

Thirdly, since the diagnosis result can be immediately monitored on the vehicle side, the vehicle failure can be diagnosed even if the transmission function on the vehicle side is stopped for some reason. As a result, we provide a vehicle maintenance management device that allows the driver and mechanic to independently monitor the vehicle maintenance management on the vehicle side, while receiving the information provided from the base on the vehicle side by the driver and mechanic. I was able to do it.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing a vehicle maintenance management device according to an embodiment of the present invention.

FIG. 2 is a flow chart schematically showing a process of operation by the device of the present invention in FIG.

FIG. 3 is an explanatory diagram illustrating an example of a conventional vehicle maintenance management device disclosed in JP-A-62-94442.

FIG. 4 is a configuration diagram illustrating a configuration of the conventional device in FIG.

[Explanation of symbols]

 1 Telemeter 2 Sensor 3 Vehicle CPU 4 Vehicle Display Screen 5 Vehicle Data Adapter 6 Vehicle Control Section 7 Vehicle Transmission Section 8 Vehicle Reception Section 9 Antenna 10 Base Display Screen 11 Base CPU 12 Keyboard 13 Base Data Adapter 14 Base Control Section 15 Base Transmission Part 16 Base receiver

Claims (4)

[Claims] 1. A vehicle-mounted diagnostic report device for performing a fault diagnosis of each part of a vehicle and wirelessly transmitting a diagnostic result, and a stationary file management device for receiving and accumulating the diagnostic result at a base and managing it as a maintenance file. In the vehicle maintenance management device that manages vehicle maintenance based on the stored files, a wireless transmission unit that transmits maintenance file data is provided in the file management device, and a wireless reception unit that receives this data and a diagnostic result are displayed. A vehicle maintenance management device, characterized in that a monitor unit for displaying is provided in the diagnostic notification device. 2. The file management device transmits data of a maintenance file corresponding to a diagnosis result, and the diagnosis notification device displays the data together with the diagnosis result. The described vehicle maintenance management device. 3. The vehicle maintenance management device according to claim 1, wherein the monitor unit performs display on a display screen or printing by a small printer. 4. The vehicle maintenance management device according to claim 1, wherein the diagnostic notification device measures a state of each part of the vehicle by a telemeter or detects by a sensor.