JP2003040091A - Vehicle maintenance and repair data recording system, input device, output device and recording device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a system capable of accurately recording history without losing maintenance and repair data while allowing the actual condition of maintenance and repair to be easily grasped by the recovery of data. SOLUTION: The system is provided with the input device 100 for inputting the maintenance and repair data at the maintenance and repair time of a vehicle; the recording device 200 for electronically recording the maintenance and repair data inputted by the input device 100; and the output device 300 for outputting prescribed data on the basis of the maintenance and repair data recorded in the recording device 200. The maintenance and repair data inputted from the input device 100 is stored as history in the recording device 200, and the history of the maintenance and repair data can be referred to by the data outputted from the output device 300.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system for recording vehicle maintenance data such as engine oil exchange, component exchange, and exhaust gas concentration as a history, and an apparatus for inputting, outputting and recording such data. .

[0002]

2. Description of the Related Art Generally, passenger cars and the like are equipped with a maintenance notebook, and a staff member enters the results into the maintenance notebook whenever parts are replaced or repaired / inspected during maintenance / inspection of the vehicle. ing. Therefore, by looking at this maintenance notebook, it is possible to know the past maintenance history, and it will be helpful in performing appropriate maintenance.

[0003]

Although such a maintenance notebook has a predetermined format in which entries are made in advance, the data entered therein is intentionally rewritten by the owner of the vehicle. It may be lost or deleted by being erased. In addition, data may be lost due to some parts being lost or damaged. Therefore, the conventional maintenance notebook is insufficient to prove that proper maintenance was performed when the vehicle is sold as a used vehicle. Further, since the data in the maintenance notebook is handwritten by a staff member, it is virtually impossible for the vehicle manufacturer to efficiently collect the maintenance data and grasp the actual maintenance situation for each model.

The present invention is intended to solve the above problems, and the problem is that the maintenance data can be accurately recorded without loss of the maintenance data, and the actual condition of the maintenance can be facilitated by collecting the data. It is to provide a system that can be grasped.

[0005]

According to the present invention, an input device for inputting maintenance data when servicing a vehicle, and a recording device for electronically recording the maintenance data input by this input device,
An output device for outputting predetermined data based on the maintenance data recorded in the recording device is provided. Then, the maintenance data input from the input device is stored as a history in the recording device, and the history of the maintenance data can be referred to by the data output from the output device.

By doing so, the data is electronically recorded every time the vehicle is serviced, so that the service data can be stored in the recording device as a history. Therefore, the data is not lost and an accurate maintenance history can be left. In addition, by collecting and analyzing the maintenance data, the vehicle manufacturer can use the data for various purposes such as analyzing the maintenance tendency for each model and using the analysis result as design data for the next model. You can

In the present invention, the maintenance data item may include a history of measurement data relating to vehicle exhaust gas. Typical examples of the exhaust gas measurement data include CO and HC concentrations. In addition to these, CO ₂ and O ₂
You may record density such as. A gas analyzer is used to measure the concentration of exhaust gas. In this case, a card reader / writer may be externally or internally attached to the gas analyzer to record the measured data on the card. And a recording device is configured with this card,
If the other maintenance data is also recorded, it is possible to save the trouble of manually inputting the measurement data of the exhaust gas. A wireless device may be attached to the gas analyzer externally or internally, and the measured data may be recorded in the recording device via the wireless device. Even in this case, it is possible to save the trouble of manually inputting the measurement data.

The input device according to the present invention may be outside the vehicle or inside the vehicle. Typical devices in the former case include personal computers and mobile devices. The latter device may be a dedicated device for inputting maintenance data, but a function for inputting maintenance data is added to an in-vehicle device such as a car navigation terminal or an operation recorder to provide the input device of the present invention. It can also be combined. This eliminates the need for a dedicated input device. The same applies to the output device. The input device and the output device may be the same device, and for example, the same car navigation terminal may be used to input and output data. Further, the input device and the output device may be different devices. For example, the car navigation terminal may input data and the personal computer may output data.

When the in-vehicle device has a display unit like a car navigation terminal, an alarm is displayed on the display unit when the maintenance data is abnormal (for example, the concentration of exhaust gas exceeds the reference value). You may do it. According to this, it is possible to prompt the driver to take prompt action. Further, in addition to the maintenance data, data such as the air-fuel ratio, oxygen concentration, and opening obtained from the vehicle ECU (engine control unit) may be recorded in the recording device.
According to this, more detailed maintenance data can be collected.

Various recording devices of the present invention can be considered, and they are roughly classified into a portable recording device and a fixed recording device. Typical types of portable recording devices include the above-mentioned card (IC card, magnetic card, etc.),
Examples thereof include disks (magnetic disks, optical disks, magneto-optical disks, etc.). Further, a typical fixed type recording device is a hard disk or a semiconductor memory (SRA).
M, EPROM, EEPROM, FROM, etc.). The recording device is provided with areas such as a customer information recording area, a vehicle information recording area, an inspection and maintenance recording area, and an exhaust gas measurement data recording area.

According to the present invention, the maintenance data can be easily collected by connecting the input device to the host computer via the network and transmitting the maintenance data input by the input device to the host computer via the network.

[0012]

1 is a block diagram showing the basic configuration of a vehicle maintenance data recording system according to the present invention. This system includes an input device 100 for inputting maintenance data during maintenance of a vehicle, a recording device 200 for electronically recording the maintenance data input by the input device 100, and maintenance data recorded in the recording device 200. And an output device 300 that outputs predetermined data based on the above. The maintenance data input from the input device 100 is stored in the recording device 200 as a history, and the history of the maintenance data can be referred to by the output data from the output device 300.

FIG. 2 shows an example in which a personal computer (hereinafter referred to as PC) 1 is used as an input device and a card 3 is used as a recording device. The output device is P
C1 itself may be used, or various devices described below may be used. The PC 1 is installed in an office of a maintenance factory and includes a display unit 1a including a monitor and an input unit 1b including a keyboard. Reference numeral 2 is a card reader / writer for reading data from the card 3 and writing data to the card 3, which is connected to the PC 1 as a peripheral device.

The card 3 is, for example, an IC card (memory card), and has a built-in writable semiconductor memory 3a such as SRAM. The shape of the card 3 is not limited to a flat shape, and may be a stick shape.
It is the figure which showed the data recording area of the memory 3a. A1
Is a customer information recording area for recording information about customers, A
2 is a vehicle information recording area for recording information about the vehicle,
A3 is an inspection and maintenance recording area for recording information on inspection and maintenance as a history, and A4 is an exhaust gas measurement data recording area for recording measurement data on vehicle exhaust gas as a history,
A5 is a driving history recording area showing past driving history.

In the customer information recording area A1, the customer ID
The name, address, etc. are recorded. Vehicle information recording area A2
Various items necessary for vehicle body inspection (so-called vehicle inspection) are recorded in. In the inspection and maintenance record area A3, maintenance contents such as parts replacement and adjustment are recorded as a history together with the date of implementation, the name of the business establishment, and the name of the person in charge of maintenance. In the exhaust gas measurement data recording area A4, concentration measurement values of exhaust gas components (here, CO and HC) before and after maintenance are recorded as a history together with the measurement date. Inspection and maintenance record area A3
And the data in the exhaust gas measurement data recording area A4 constitute maintenance data in the present invention. In the operation history recording area A5, the latest 20 past histories are recorded together with defect information. The operation history recording area A5 is not essential according to the present invention and can be omitted.

The card 3 is not necessarily an IC card, but may be a magnetic card. It is also possible to use a non-contact type card as the card 3. In addition to the card 3, a disk such as a magnetic disk or an optical disk can be used as the recording device. In this case, the card reader / writer 2 is omitted and P
A disc may be inserted into the disc insertion opening 1c of C1. If the PC 1 does not include a disk drive, a disk drive (not shown) may be connected to the PC 1 as in the card reader / writer 2.

FIG. 4 is a flowchart for recording maintenance data in the above system. When the vehicle is brought into the maintenance shop, the clerk receives the card 3 provided in the vehicle from the owner of the vehicle and inserts it into the card reader / writer 2 (step S1). When the card 3 is inserted, the card reader / writer 2 reads each data of FIG. 3 recorded on the card 3 (step S2). The read data is sent to the PC 1, and the PC 1 edits the data using a predetermined software (step S
3), the result is displayed on the display unit 1a (step S
4). Various data including a history of maintenance data is displayed on the display unit 1a. The content to be displayed may be all of the data shown in FIG. 3, or only the necessary data may be selected and displayed. Further, as the display format, any format such as a table or a graph can be adopted. Figure 5
It is an example in which the history of exhaust gas measurement data (HC concentration) is displayed in a graph. The data displayed on the display unit 1a may be printed by a printer.

The staff member performs the maintenance work by referring to the history of the maintenance data displayed on the display unit 1a of the PC 1 (step S5). That is, the vehicle is inspected, parts are replaced, adjusted, repaired, and the concentration of CO and HC in the idling state is measured using a gas analyzer. This exhaust gas concentration measurement is performed before and after maintenance. When the maintenance is completed, the clerk inputs the maintenance data to the PC1 by using the key of the input unit 1b of the PC1 (step S6). This input data is temporarily stored in the RAM inside the PC 1 and then recorded in the memory 3a of the card 3 by the card reader / writer 2 (step S7). That is, data such as parts replacement and adjustment are recorded in the inspection and maintenance recording area A3, and CO and HC concentration values are recorded in the exhaust gas measurement data recording area A4. As a result, card 3
In the areas A3 and A4, the maintenance data of this time is added to the maintenance data up to the previous time, and the maintenance data is recorded as a history. When the recording on the card 3 is completed, the card 3 is taken out from the card reader / writer 2 (step S8), the card 3 is returned to the owner, and the series of operations is completed.

In this way, in the above system, the maintenance data is electronically recorded in the card 3 every time the vehicle is serviced, so that the maintenance data can be saved as a history. Therefore, an accurate maintenance history can be left without loss of data. In addition, the history can be referred by reading the information of the card 3 at the time of maintenance, and appropriate maintenance work can be performed with reference to this. Further, when the car is sold as a used car, since the accurate maintenance history is recorded in the card 3, it is possible to objectively prove that the proper maintenance is performed. Further, even when the car is collected as a scrap car, the past history can be easily grasped from the record information of the card 3.

In FIG. 4 described above, steps S1 to S are performed.
4 is an execution procedure in the output device, and steps S6 to S8
Is the execution procedure in the input device, but here, since the same PC 1 is used as the input device and the output device, steps S1 to S8 are a continuous procedure. On the other hand, when the input device and the output device are different, for example, when the input device is an in-vehicle device installed in the vehicle and the output device is the above-described PC 1, the card 3 is firstly sent.
Is set in the output device to display the maintenance history, the maintenance work is performed with reference to this, and then the card 3 is set in the input device to write the maintenance data. FIG. 6 is a flowchart showing the procedure in this case,
(A) shows the procedure at the output device, and (b) shows the procedure at the input device.

In FIG. 6A, the card 3 is inserted into the card reader / writer 2 connected to the PC 1 (step S
11), the data recorded on the card 3 is read (step S12), the data is edited by the PC 1 (step S13), and the result is displayed on the display unit 1a (step S14). After that, the card 3 is taken out from the card reader / writer 2 (step S15). Steps S11 to S14 in (a) correspond to steps S1 to S4 in FIG. 4, and the details thereof are as described above. After performing the procedure of (a), the maintenance work is performed by a staff member.
The contents thereof have been described in step S5 of FIG. 4, and thus will be omitted here. When the maintenance work is completed, next, see FIG. 6 (b).
The procedure is executed. That is, the card reader / writer 2
The card 3 taken out from is inserted into the in-vehicle device (step S16), the maintenance data is input using the key of the in-vehicle device (step S17), and the maintenance data is recorded in the card 3 (step S18). When the recording is completed, the card 3 is taken out from the vehicle-mounted device (step S19) and returned to the owner. Steps S17 to S19 in (b) correspond to steps S6 to S8 in FIG.

FIG. 7 is a block diagram showing another embodiment of the present invention, which is an example in which the input device is configured as a dedicated device provided in the vehicle. The input device 10 includes an input unit 11 including keys, a control unit 12 including a CPU, a card reader / writer 13 for reading and writing data from and to a card, a display unit 14 including a liquid crystal display, and the like.
The storage unit 15 includes a memory such as a RAM or a ROM. The input device 10 is provided in the driver's seat in the vehicle. Reference numeral 3 denotes a card having a built-in semiconductor memory 3a, which is the same IC card as shown in FIG. As in the previous embodiment, the input device 10 may also serve as the output device, or a device (PC or the like) different from the input device 10 may be used as the output device.

The maintenance data recording procedure when the input device 10 also serves as the output device is the same as that shown in FIG. That is, the clerk inserts the card 3 received from the car owner into the card reader / writer 13 (step S1). When the card 3 is inserted, the card reader / writer 13 reads each data of FIG. 3 recorded on the card 3 (step S2). The read data is stored in the storage unit 15, and the control unit 12 edits this data (step S
3), the result is displayed on the display unit 14 (step S
4). The display unit 14 displays various data including a history of maintenance data.

The staff member performs the maintenance work with reference to the history of the maintenance data displayed on the display unit 14 (step S
5). That is, the vehicle is inspected, parts are replaced, adjusted, repaired, and the concentration of CO and HC in the idling state is measured using a gas analyzer. This exhaust gas concentration measurement is performed before and after maintenance.
When the maintenance is completed, the clerk inputs the maintenance data using the key of the input unit 11 (step S6). The input data is temporarily stored in the storage unit 15 and then recorded by the card reader / writer 13 in each area (FIG. 3) of the memory 3a of the card 3 (step S7). As a result, the maintenance data of this time is added to the maintenance data up to the previous time, and the maintenance data is electronically stored as a history in the card 3. When the recording on the card 3 is completed, the card 3 is taken out from the card reader / writer 13 (step S
8) Then, the card 3 is returned to the owner and the series of operations is completed.

On the other hand, the maintenance data recording procedure when the input device 10 and the output device are different is the same as that shown in FIG. Taking the case where the output device is the above-mentioned PC1, as an example, first, PC1
The card 3 is inserted into the card reader / writer 2 connected to the card (step S11), the data recorded on the card 3 is read (step S12), and the data is edited by the PC 1 (step S13). Is displayed on the display unit 1a of the PC 1 (step S14). After that, the card 3 is taken out from the card reader / writer 2 (step S15). After performing the procedure of (a), the above-mentioned maintenance work is performed by a staff member. When the maintenance work is completed, the procedure next moves to FIG. 6B, and the card 3 is inserted into the card reader / writer 13 of the input device 10 (step S16).
The maintenance data is input using the keys of the input unit 11 (step S17), and the maintenance data is recorded on the card 3 (step S18). When the recording is completed, the card 3 is taken out from the card reader / writer 13 (step S19), and the card 3 is returned to the owner.

FIG. 8 is a block diagram showing another embodiment of the present invention, which is an example in which a recording device is configured by a memory inside the device, instead of the card 3 described above. The input device 10a of FIG. 8 has the same configuration as the input device 10 of FIG. 7 except that the card reader / writer 13 of FIG. 7 is omitted. Therefore, the same parts as those in FIG. 7 are designated by the same reference numerals. In the embodiment of FIG. 8, the input device 10a
Also serves as an output device, and the maintenance data input from the input unit 11 is stored in the semiconductor memory of the storage unit 15, and the data of the storage unit 15 is read and displayed on the display unit 14. The memory is SRAM, EPRO.
Various semiconductor memories such as M, EEPROM, and FROM can be used. Also, instead of the semiconductor memory,
A hard disk may be used. In any case, the structure of the data recording area of the storage unit 15 is the same as that shown in FIG.

FIG. 9 is a flowchart for recording maintenance data in the apparatus of FIG. First, the input device 10a is set to the data display mode, and the data recorded in the storage unit 15 is read (step S21). next,
The read data is edited (step S22), and the result is displayed on the display unit 14 (step S23). The display unit 14 displays various data including a history of maintenance data.

The staff member performs the maintenance work with reference to the history of the maintenance data displayed on the display unit 14 (step S2).
4). That is, the vehicle is inspected, parts are replaced, adjusted, repaired, and the concentration of CO and HC in the idling state is measured using a gas analyzer. This exhaust gas concentration measurement is performed before and after maintenance.
When the maintenance is completed, the input device 10a is set to the data input mode, and the maintenance data is input using the keys of the input unit 11 (step S25). This input data is recorded in each area (FIG. 3) of the memory of the storage unit 15 (step S2).
6). As a result, the maintenance data of this time is added to the maintenance data up to the previous time, and the maintenance data is electronically stored as a history in the storage unit 15. In this way, if the maintenance data is stored in the memory of the device installed in the vehicle, the data always exists with the vehicle, so that the data can be prevented from being lost and the card or the card reader / writer can be prevented. Becomes unnecessary.

In the embodiments of FIGS. 7 and 8 described above, the maintenance data can be input by the device installed in the vehicle, so that the staff can immediately input the data on the spot after the completion of the maintenance and go to the office. There is no need to go back and operate the PC. The same applies to the embodiments of FIGS. 10, 11 and 13 described below.

FIG. 10 is a block diagram showing another embodiment of the present invention, which is an example in which an input device is also used as an in-vehicle device provided inside the vehicle. Here, a car navigation terminal (hereinafter referred to as a car navigation terminal) as an in-vehicle device
Are using. The car navigation terminal 20 includes an input unit 21 including keys, a control unit 22 including a CPU, a card reader / writer 23 that reads and writes data from and to a card, a display unit 24 including a liquid crystal display, and a RAM.
And a storage unit 25 including a memory such as a ROM and a GPS
A position detector 26 including a receiver is provided. The car navigation terminal 20 is provided in the driver's seat inside the vehicle. Reference numeral 3 denotes a card having a built-in semiconductor memory 3a, which is the same IC card as shown in FIG. Also in this embodiment, the car navigation terminal 20 may serve as both the input device and the output device, or a device (PC or the like) different from the car navigation terminal 20 may be used as the output device.

The maintenance data recording procedure when the car navigation terminal 20 also serves as an input device and an output device is the same as in FIG. That is, the clerk inserts the card 3 received from the owner of the vehicle into the card reader / writer 23 (step S1). When the card 3 is inserted, the card reader / writer 23 reads each data of FIG. 3 recorded on the card 3 (step S2). The read data is stored in the storage unit 25, and the control unit 22 edits this data (step S3) and displays the result on the display unit 24 (step S4). Various data including a history of maintenance data is displayed on the display unit 24.

The staff member performs the maintenance work with reference to the history of the maintenance data displayed on the display section 24 (step S
5). That is, the vehicle is inspected, parts are replaced, adjusted, repaired, and the concentration of CO and HC in the idling state is measured using a gas analyzer. This exhaust gas concentration measurement is performed before and after maintenance.
When the maintenance is completed, the clerk inputs the maintenance data using the key of the input unit 21 (step S6). The input data is temporarily stored in the storage unit 25 and then recorded by the card reader / writer 23 in each area (FIG. 3) of the memory 3a of the card 3 (step S7). As a result, the maintenance data of this time is added to the maintenance data up to the previous time, and the maintenance data is electronically stored as a history in the card 3. When the recording on the card 3 is completed, the card 3 is taken out from the card reader / writer 23 (step S
8) Then, the card 3 is returned to the owner and the series of operations is completed.

On the other hand, the maintenance data recording procedure when an output device other than the car navigation terminal 20 is used is the same as that shown in FIG. Taking the case where the output device is the above-mentioned PC1, as an example,
First, the card 3 is inserted into the card reader / writer 2 connected to the PC 1 (step S11), the data recorded on the card 3 is read (step S12), and the PC
The data is edited in step 1 (step S13), and the result is displayed on the display unit 1a of the PC 1 (step S14).
After that, the card 3 is taken out from the card reader / writer 2 (step S15). After performing the procedure of (a), the above-mentioned maintenance work is performed by a staff member. When the maintenance work is completed, the procedure next moves to FIG. 6B, the card 3 is inserted into the card reader / writer 23 of the car navigation terminal 20 (step S16), and the maintenance data is input using the keys of the input unit 21. (Step S17), maintenance data is recorded on the card 3 (step S18). When the recording is completed, the card 3 is taken out from the card reader / writer 23 (step S19), and the card 3 is returned to the owner.

In the embodiment of FIG. 10 as well, FIG.
As in the case of, maintenance data can be recorded in the storage unit 25 instead of the card 3. The flow chart in this case is the same as that shown in FIG.

FIG. 11 shows another embodiment in which the in-vehicle device also serves as the input device. In this case, a digital operation recorder is used as the in-vehicle device. The operation recorder 30 includes an input unit 31 including keys, a control unit 32 including a CPU, a card reader / writer 33 that reads and writes data from and to a card, a display unit 34 including a liquid crystal display, RAM, ROM, and the like. The memory 35 includes a memory 35, a position detector 36 including a GPS receiver, and a vehicle speed sensor 37 for detecting the traveling speed of the vehicle. The operation recorder 30 is provided in the driver's seat inside the vehicle. 3 is a card with a built-in semiconductor memory 3a,
This is the same IC card as shown in FIG. Also in this embodiment, the operation recorder 30 may be used as both the input device and the output device, or the operation recorder 30 may be used as the output device.
A device (PC or the like) other than the above may be used.

The procedure for recording maintenance data when the operation recorder 30 also serves as an input device and an output device is the same as that shown in FIG. That is, the clerk inserts the card 3 received from the car owner into the card reader / writer 33 (step S1). When the card 3 is inserted, the card reader / writer 33 reads each data of FIG. 3 recorded on the card 3 (step S2). The read data is stored in the storage unit 35, the control unit 32 edits the data (step S3), and displays the result on the display unit 34 (step S4). Various data including a history of maintenance data is displayed on the display unit 34.

The staff member performs the maintenance work with reference to the history of the maintenance data displayed on the display section 34 (step S).
5). That is, the vehicle is inspected, parts are replaced, adjusted, repaired, and the concentration of CO and HC in the idling state is measured using a gas analyzer. This exhaust gas concentration measurement is performed before and after maintenance.
When the maintenance is completed, the clerk inputs the maintenance data using the key of the input unit 31 (step S6). This input data is temporarily stored in the storage unit 35 and then recorded by the card reader / writer 33 in each area (FIG. 3) of the memory 3a of the card 3 (step S7). As a result, the maintenance data of this time is added to the maintenance data up to the previous time, and the maintenance data is electronically stored as a history in the card 3. When the recording on the card 3 is completed, the card 3 is taken out from the card reader / writer 33 (step S
8) Then, the card 3 is returned to the owner and the series of operations is completed.

On the other hand, the maintenance data recording procedure when an output device other than the operation recorder 30 is used is the same as that shown in FIG. Taking the case where the output device is the above-mentioned PC1, as an example,
First, the card 3 is inserted into the card reader / writer 2 connected to the PC 1 (step S11), the data recorded on the card 3 is read (step S12), and the PC
The data is edited in step 1 (step S13), and the result is displayed on the display unit 1a of the PC 1 (step S14).
After that, the card 3 is taken out from the card reader / writer 2 (step S15). After performing the procedure of (a), the above-mentioned maintenance work is performed by a staff member. When the maintenance work is completed, the procedure moves to the procedure of FIG. 6B, the card 3 is inserted into the card reader / writer 33 of the operation recorder 30 (step S16), and the maintenance data is input using the keys of the input unit 31. Then (step S17), maintenance data is recorded on the card 3 (step S18). When the recording is completed, the card 3 is taken out from the card reader / writer 33 (step S
19) Return the card 3 to the owner.

The operation recorder 30 includes a position detector 3
6, a dedicated card for recording operation data obtained from the vehicle speed sensor 37 and creating a daily report is attached, and this card may also be used as the maintenance data recording card 3. Alternatively, the maintenance data recording card 3 may be prepared separately from the operation data recording card. In the latter case, the mileage of the vehicle calculated based on the output of the vehicle speed sensor 37 is read from the storage unit 35, and the card 3 is read.
It can also be recorded in the mileage column of the vehicle information recording area A2 (FIG. 3). FIG. 12 shows a flow chart in this case. After the maintenance data is input in step S6, the travel distance is read from the storage unit 35 in step S6.
a has been added. In the subsequent step S7, the input maintenance data and the read traveling distance are recorded in the corresponding area of the card 3. The other points are the same as in FIG. Although illustration is omitted, in the case of FIG. 6 as well, a step similar to step S6a is added after step S17. In this way, if there is data that can be taken in from the vehicle-mounted device among the data recorded in the card 3, it is possible to save the trouble of inputting the data by automatically taking in this data.

In the embodiment of FIG. 11 as well, FIG.
As in the case of, maintenance data can be recorded in the storage unit 35 instead of the card 3. The flow chart in this case is the same as that shown in FIG.

FIG. 13 is a block diagram showing another embodiment of the present invention, in which data from an engine control unit (hereinafter referred to as ECU) of a vehicle is recorded in addition to maintenance data. Is. Reference numeral 10 is the same input device as the input device 10 shown in FIG. 7, and records the maintenance data on the card 3 in the manner described above. This input device 1
Instead of 0, the car navigation terminal 20 of FIG. 10 or the operation recorder 30 of FIG. 11 may be used. 40 is an ECU,
The data from the ECU 40 is always input to the input device 10.

The ECU 40 is a unit for controlling the engine on the basis of data collected from various sensors. Among these data, data such as air-fuel ratio, oxygen concentration, opening degree, torque, etc. are input to the input device 10. It is captured. The card 3 is a card reader / writer 1 while the vehicle is running.
The data of the ECU 40 that has been inserted into the memory 3 and is taken in is recorded in the memory 3 a of the card 3. In this case, the memory 3a includes the ECU in addition to the data area shown in FIG.
An area for recording data from 40 is provided. While the vehicle is traveling, the data of the ECU 40 is continuously recorded in the card 3, but since the capacity of the memory 3a is limited, it is preferable to record the data for the past 24 hours, for example. Note that it is possible to record maintenance data and ECU data in the storage unit 15 instead of the card 3.
According to the embodiment shown in FIG. 13, the latest data can be collected in addition to the maintenance data at the time of regular maintenance and inspection, so that it is possible to promptly respond to an unexpected failure.

When the data from the ECU 40 has an abnormality such as exceeding the reference value, it may be automatically judged and an alarm may be displayed on the display unit. FIG. 14 shows an example thereof, in which the display 24 of the car navigation terminal 20 is used to display an alarm message 24a. In addition to the data abnormality of the ECU 40,
Even when there is an abnormality in the input maintenance data, it may be automatically judged and an alarm may be displayed on the display unit of the car navigation terminal or the like.

FIG. 15 is a diagram showing an apparatus for measuring the concentration of exhaust gas. Reference numeral 50 is a known gas analyzer, which is equipped with a probe 50a for collecting gas. Reference numeral 51 denotes a card reader / writer attached to the gas analyzer 50, which records data (gas component and concentration) measured by the gas analyzer 50 in the memory 3a of the card 3.
Here, the card reader / writer 51 is externally attached to the gas analyzer 50, but the card reader / writer 51 may be built in the gas analyzer 50. The maintenance data is recorded on the card 3 by the various input devices as described above. According to the embodiment of FIG. 15, the exhaust gas measurement data among the maintenance data is stored in the card 3 by the card reader / writer 51.
Since it is recorded in, it is possible to save the trouble of manually inputting.

FIG. 16 is a diagram showing another embodiment for measuring the concentration of exhaust gas. Reference numeral 50 denotes a gas analyzer equipped with a gas sampling probe 50a, which is the same as the gas analyzer 50 shown in FIG. 52 is a gas analyzer 50
Which is a wireless device attached to the antenna 52a for measuring data (gas component and concentration) measured by the gas analyzer 50.
It has a function of wirelessly transmitting to an input device via.
The transmitted measurement data is received by the input device and recorded in a card or a storage unit inside the device. Also in this case, the wireless device 52 is externally attached to the gas analyzer 50, but the wireless device 52 may be incorporated in the gas analyzer 50. According to the embodiment of FIG. 16 as well, the exhaust gas measurement data is automatically recorded in the recording device, so that the trouble of data input can be saved.

FIG. 17 shows a system for collecting maintenance data. .. 6n are, for example, PCs installed in respective affiliated dealers of vehicle manufacturers, and have the same function as an input device as the PC 1 shown in FIG. The card reader / writer 2 and the card 3 in FIG. 2 are not shown in FIG. These P
.. 6n are connected to a host computer 64 installed in the manufacturer by a network 63. The network 63 is composed of the Internet, for example. A dedicated line may be used instead of the Internet. The network 63 may be wired or wireless.

In the system of FIG. 17, each dealer inputs the maintenance data from the PC 61, 62, ... 6n each time the vehicle brought in by the user is serviced and records it in the card as described above. At this time, the same data as the maintenance data recorded on the card is sent to the network 6
3 to the host computer 64. The host computer 64 saves the maintenance data sent from each dealer in a file, analyzes the collected data using a predetermined software, and outputs necessary data. In this way, the vehicle manufacturer can easily collect the maintenance data via the network 63,
By analyzing the data with the host computer 64, for example, analysis data regarding the actual condition of maintenance for each model can be obtained, and this can be utilized as a design material for the next model.

[0048]

According to the present invention, since maintenance data is electronically stored as a history, the history can be accurately recorded without data loss, and the model can be obtained by collecting and analyzing the data. It is possible to grasp the maintenance tendency for each.

[Brief description of drawings]

FIG. 1 is a block diagram showing a basic configuration of the present invention.

FIG. 2 is a diagram showing an embodiment of the present invention.

FIG. 3 is a diagram showing a data recording area of a memory.

FIG. 4 is a flowchart for recording maintenance data.

FIG. 5 is an example of displaying a history of exhaust gas measurement data in a graph.

FIG. 6 is a flowchart in another embodiment of the present invention.

FIG. 7 is a block diagram showing another embodiment of the present invention.

FIG. 8 is a block diagram showing another embodiment of the present invention.

FIG. 9 is a flowchart in another embodiment of the present invention.

FIG. 10 is a block diagram showing another embodiment of the present invention.

FIG. 11 is a block diagram showing another embodiment of the present invention.

FIG. 12 is a flowchart in another embodiment of the present invention.

FIG. 13 is a block diagram showing another embodiment of the present invention.

FIG. 14 is an example of a display unit of a car navigation terminal on which an alarm is displayed.

FIG. 15 is a diagram showing an apparatus for measuring exhaust gas concentration.

FIG. 16 is a view showing another embodiment of the device for measuring the exhaust gas concentration.

FIG. 17 is a diagram showing a system for collecting maintenance data.

[Explanation of symbols]

1 personal computer 3 cards 3a memory 10,10a Input device 15, 25, 35 storage 20 car navigation terminals 14,24,34 Display 30 operation recorder 40 Engine control unit (ECU) 50 gas analyzer 51 card reader / writer 52 wireless device 61, 62, ... 6n personal computer 63 network 64 host computer 100 input device 200 recording device 300 output device A1 Customer information recording area A2 Vehicle information recording area A3 inspection and maintenance record area A4 exhaust gas measurement data recording area

Claims (11)

[Claims] 1. An input device for inputting maintenance data when servicing a vehicle, a recording device for electronically recording the maintenance data input by the input device, and a maintenance data recorded on the recording device. An output device that outputs predetermined data is provided, and the maintenance data input from the input device is stored in the recording device as a history, and the history of the maintenance data can be referred to by the data output from the output device. A vehicle maintenance data recording system characterized in that 2. The vehicle maintenance data recording system according to claim 1, wherein the maintenance data includes a history of measurement data relating to vehicle exhaust gas. 3. The vehicle maintenance data recording system according to claim 2, further comprising a gas analyzer for measuring the concentration of exhaust gas and a card reader / writer attached to the gas analyzer for recording the measurement data on a card. A recording system for vehicle maintenance data, comprising a recording device comprising the card. 4. The vehicle maintenance data recording system according to claim 2, comprising a gas analyzer for measuring the concentration of exhaust gas, and a wireless device attached to the gas analyzer for transmitting the measurement data to an input device. A vehicle maintenance data recording system, characterized in that the measurement data is recorded in a recording device via a wireless device. 5. The vehicle maintenance data recording system according to claim 1, wherein the input device and / or the output device is an in-vehicle device installed in a vehicle. 6. The vehicle maintenance data recording system according to claim 5, wherein the in-vehicle device includes a display unit, and when the maintenance data is abnormal, an alarm is displayed on the display unit. Maintenance data recording system. 7. The vehicle maintenance data recording system according to claim 1, wherein, in addition to the maintenance data, data from an engine control unit of the vehicle is recorded in a recording device. system. 8. The vehicle maintenance data recording system according to claim 1, wherein the input device is connected to a host computer via a network, and the maintenance data input by the input device is sent to the host computer via the network. A vehicle maintenance data recording system characterized by transmission. 9. An input device for inputting maintenance data when servicing a vehicle, which is also used as an in-vehicle device provided in the vehicle, wherein the maintenance data input using the input section of the in-vehicle device is An input device for vehicle maintenance data, which is electronically recorded as a history in a recording device. 10. An output device for outputting predetermined data based on maintenance data recorded at the time of maintenance of a vehicle, which also serves as an on-vehicle device installed in the vehicle, and is displayed on a display section of the on-vehicle device. An output device for vehicle maintenance data, characterized in that the history of maintenance data can be referred to by the stored data. 11. A recording device for electronically recording maintenance data when servicing a vehicle, comprising a customer information recording area for recording customer information, a vehicle information recording area for recording vehicle information, and inspection and maintenance. A vehicle maintenance data recording device comprising: an inspection and maintenance recording area for recording information as history and an exhaust gas measurement data recording area for recording measurement data regarding vehicle exhaust gas as history.