JP2901123B2 - Digital vehicle operation recording device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital vehicle operation recording device for collecting vehicle operation information including a running speed of a vehicle, which changes every moment, in the form of digital data. The present invention relates to a digital vehicle operation recording device including an in-vehicle device that records and collects data in a storage unit, and a portable device that is connected to the in-vehicle device and reads data stored in the storage unit and stores the data in a memory.

[0002]

2. Description of the Related Art Conventionally, a device of this kind is used mounted on a vehicle to collect operation information of each vehicle for managing a large number of trucks such as trucks owned by a courier company. The configuration is as shown in FIG. In FIG. 1, reference numeral 1 denotes an in-vehicle device that is attached to a vehicle and collects vehicle operation information, and 2 denotes a device called a handy keypad that can be carried by a driver. The mobile device 2 includes a display 2a and a keyboard 2b, and has a built-in memory for storing data. The mobile device 2 has a connector hole 1b provided in front of the vehicle-mounted device 1 in which the display 1a is arranged. It is connected so as to be able to be connected and disconnected in a one-to-one correspondence, and in addition to the display operation of the display 2a and the operation of the keyboard 2b, key input of slips, data input from the in-vehicle device 1,
It has a sending / receiving command.

[0003] The operation information collected by the illustrated digital vehicle operation recording device includes information relating to the operation of the vehicle itself and information relating to the transportation business. The former includes, for example, data relating to the traveling speed and traveling distance of the vehicle from the leaving of the vehicle departing from the truck base to the entering of the vehicle returning to the truck base, and these are mainly collected by the in-vehicle device 1. The latter includes time-series data indicating the status of the delivery operation and the like, which are collected by the portable device 2. These in-vehicle devices 1 and mobile devices 2
The data collected is finally delivered to the vehicle manager
And used for various analyses.
The data collected by the device 2 is that the portable device 2 itself is
There is no problem because you can move it from both sides,
The data collected by the on-board device 1
Is usually fixedly installed on the vehicle, and
Remove the in-vehicle device 1 each time data is delivered
It's a problem because you can't go down. There
Then, the data collected by the vehicle-mounted device 1
The memo is transferred from the in-vehicle device 1 to the portable device 2 and stored therein.
The data collected by the in-vehicle device 1 after being stored in the
Data and data collected by the mobile device 2
Only the portable device 2 in the state stored in the memory is dropped from the vehicle.
Is transferred to the vehicle manager and the data in the memory is
Provided for species analysis.

[0004] A device 3 called a notebook computer suitable for carrying and used for setting various data in the on-vehicle device 1 is connected in place of the portable device 2 to collect data collected in a memory. It may be applied for reading.

[0005]

The on-vehicle device 1
The data collected by the system can be broadly classified into large-capacity data such as speed-compressed data to see the details of speed changes, and relatively small-capacity data that collects the maximum speed and distance at regular intervals. There is no need for detailed data for data equivalent to a daily report recorded by a normal driver.

However, in the above-described conventional apparatus, all of the information collected by the on-vehicle apparatus 1, that is, large-capacity data that is hardly necessary is constantly collected by the portable device 2 or the device 3. For this reason, there is a problem that an enormous amount of time is required for downloading data and processing the downloaded data.

Incidentally, for example, Japanese Patent Application Laid-Open No. 63-131293
Of the operation record data processing device proposed by
As described above, proposals have been made to shorten the processing time for the downloaded data . That is, the digital operation
Insert a removable memory cassette into the line recorder and
Data collected by the data processing unit of the
Data such as mileage and speed over time
And variable time series data and time data from sensors
Data, and each is stored in a different address on the memory cassette.
Storage area. And de
Remove the memory cassette removed from the digital operation recorder.
Set in the cassette reader of the computer system at the office
Read from the memory cassette by this cassette reader.
All of the captured data is stored in the file stored in the cassette reader.
Store data on a floppy disk and store a relatively large amount of data
Is transmitted to the host computer. still,
Variable data with a relatively large amount of data is sent from a host computer.
Only when requested, memory cassette with fixed data
The data is read from the data and used for analysis. I
However, in this proposal , all data is stored in a memory cassette by a cassette reader , regardless of whether data is required.
In other words, all the data is read, that is, the driver is kept waiting during that time. In addition, unnecessary data processing is involved, so that there is a limit in reducing the processing time.

Accordingly, the present invention has been made in view of the above-mentioned conventional problems, and has been developed in consideration of the above-described conventional problems.
Row data can be taken off the vehicle and handed over to the vehicle manager
It is an object of the present invention to provide a digital vehicle operation recording device capable of shortening a normal data download time when downloading data to a portable terminal and shortening a download waiting time.

[0009]

In order to achieve the above object, a digital vehicle operation recording apparatus according to the present invention comprises:
As shown in the basic configuration diagram of FIG. 1, the vehicle operation data including the running speed of the vehicle , which is mounted on the vehicle and changes every moment, is written and recorded in the storage unit 12b together with the generation time by the writing unit 11b, and collected. Externally connected
The collected data is read out from the storage unit in response to the request signal from the portable terminal , and output by the output unit 11c.
Wherein the digital vehicle operation recording apparatus to forward outputs to the portable terminal, the storage means 12b is composed of detailed data area 12b ₂ for recording the detailed data simplified data area 12b ₁ for recording simple data, the output means 11c is a simplified data output means 11c ₁ for transferring output to the mobile terminal reads the simplified data recorded in the simplified data area 12b ₁ in accordance with a simplified data request signal from the mobile terminal, from the mobile terminal In response to the detailed data request signal of the detailed data area 12b ₂
Read the detailed data recorded in the
It is characterized in that it consists of detailed data output unit 11c ₂ Metropolitan to feed output.

[0010]

In the above configuration, the simple data area 1 of the storage means 12b is responded to the simple data request signal from the portable terminal.
Simple data output means 11c ₁ output means 11c simple data recorded in 2b ₁ forwards outputs to the portable terminal, cellular
Storage means 12 in response to a detailed data request signal from the band terminal.
detailed data output means b detailed data area 12b ₂ output means 11c detailed data recorded in 11c ₂ is mobile
It is designed to transfer and output simple data with a relatively small amount of data necessary for normal vehicle management.
Transfer to a mobile device for output, and only when necessary
Detailed data with a relatively large amount of data is transferred and output to the mobile terminal.
And thereby, it can be performed selectively.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 2 shows an embodiment of an on-vehicle apparatus constituting a part of a digital vehicle operation recording apparatus according to the present invention. In FIG. 2, the same parts as those of the conventional apparatus described above with reference to FIG. It is. The in-vehicle device 1 includes a microcomputer (CPU) 11 that operates using a battery (not shown) as a power source according to a predetermined control program.
Having. The CPU 11 stores the control program in the RO
M11a is built in.

As shown in FIG. 3, the CPU 11 has a RAM 12 having a work area 12a for storing various data used for signal processing and a data area 12b for writing and recording various collected data. Is connected. The CPU 11 has an interface (I / F) 13 and a communication interface (I / F) 1.
4 is connected, and a speed signal from a travel sensor (not shown) via an I / F 13 and an ignition (IG) not shown
N) An IGN signal indicating the state of the switch is input.
Further, the CPU 11 is provided with an input / output terminal 14a of the communication I / F 14.
The communication is performed with a portable device (not shown) connected via the. Further, a display 1a is connected to the CPU 11 via a display driver 15, and the display 1a normally displays a clock time, but after leaving the store, a personal code and a running distance are displayed.

FIG. 4 shows an embodiment of a portable device constituting another portion of the digital vehicle operation recording apparatus according to the present invention. In FIG. 4, the same portions as those of the conventional device described above with reference to FIG. Are attached. Portable device 2
Is a microcomputer (CP) operating according to a predetermined control program using a battery (not shown) as a power source.
U) 21. The CPU 21 has a built-in ROM 21a for storing a control program.

A RAM 22 is connected to the CPU 21. As shown in FIG. 5, the RAM 22 includes a work area 22a for storing various data for signal processing, various data collected by itself, Data area 22b in which various data input from the device 1 is written and recorded
And The CPU 21 is connected to a keyboard 2 b having various function keys and numeric keys, and a communication interface (I / F) 24. The CPU 21 communicates with an in-vehicle device (not shown) connected via the input / output terminal 24a of the communication I / F 24. Further, a display 2a is connected to the CPU 21 via a display driver 25, and the display 2a displays keys input 0 to 9 and the like.

The in-vehicle device 1 having the above-described configuration transmits a signal to instruct the in-vehicle device 1 to exit and enter the vehicle by communication in response to an exit operation and an entry operation by a specific key of the keyboard 2b of the portable device 2 connected thereto. Send to. The in-vehicle device 1 performs the exit process in response to the exit instruction, and records and collects the data in the data area 12b of the RAM 12,
The storage process is performed according to the storage instruction, and the data collection is terminated.

The data area 12b has a simple data area 12b ₁ as shown in FIGS. 6 and 7, respectively.
And it consists of detailed data area 12b ₂ Prefecture. The data of one per operation to be recorded in the simplified data area 12b _1, date, personal number of the driver, company number, goods issue mileage (start kilometers), warehousing mileage (End kilometers) from issuing to receipts Running distance, number of starts, number of sudden starts, number of sudden accelerations, number of sudden decelerations, number of reverse (back) times, reverse (back)
The data includes the distance, the number of times the engine is turned off, the idling time, the time for each speed band, the speed data for 10 minutes, and the running state (1. back running, 2. sudden start, sudden acceleration, 3. sudden deceleration, 4. idling), and the like. This simple data is basically
It consists of processed short data such as count value and maximum value.

[0017] On the other hand, the data to be recorded in the detailed data area 12b _2, the compressed data rate, generating time data, such as rapid acceleration, the histogram of the acceleration rate and deceleration rate, include transfer history, they momentarily change Obtained by recording raw data. The transfer history is for preventing the simple data from being downloaded twice. If there is a transfer history, the transfer history can be used to determine that the downloading has been completed and not to perform the downloading operation.

[0018] Incidentally, simplified data and detail data record to the data area 12b _2, as shown in FIG. 8, as carried out in pairs 3 days of data, the fourth day data th day Data may be overwritten.

Further, the wicking request data area 12b ₂ described above, by operating the specific key of the mobile device 2 keyboard 2b, and designating another detailed data or summary data.

The details of the operation of the vehicle-mounted device 1 described above will be described in detail with reference to a flowchart of FIG. 9 showing a process performed by the CPU 11 in accordance with a predetermined control program. The CPU 11 starts operation when the power is turned on, and performs an initialization process in the first step S1. Thereafter, the process proceeds to step S2, where it is determined whether or not the IGN switch is on based on the IGN switch status signal input via the I / F 13. When the determination in step S2 is YES, the process proceeds to step S3, where the work area 12
Clock processing is performed on a clock that ticks the time of year, month, day, hour, minute, and second configured in the clock area in “a”, and integrated distance processing for integrating the travel distance accompanying the travel of the vehicle is performed.

Then, the process proceeds to step S4 where the RAM
It is determined whether or not the out-of-stock flag configured in the flag area of the 12 work areas 12a is set to 1. When the determination in step S4 is NO, the process proceeds to step S5 to determine whether or not there is a delivery request from the portable device 2. When the determination in step S5 is YES and there is a delivery request, the process proceeds to step S6 to set the delivery flag. After setting the value to 1 and performing the retrieval process, the process proceeds to step S10 described later. If the determination in step S5 is NO, step S6 is skipped and the process proceeds to step S10.

If the determination in step S4 is YES and the out-of-stock flag is set to 1, step S7 is executed.
The data collection and recording process is performed here. In this data collection and recording process, speed compression, distance, histogram, idling, and time series data are recorded in the data area 12b of the RAM 12. Thereafter, the process proceeds to step S8, where it is determined whether or not there is a storage request from the mobile device 2. If the determination in step S8 is YES and there is a storage request, the process proceeds to step S9 to reset the delivery flag to 0 and execute the storage process. After that, the process proceeds to step S10 described later. If the determination in step S8 is NO, step S9 is skipped and the process proceeds to step S10.

In step S10, the display 1
Display processing is performed to normally display a clock on a, and to display a personal code and a distance after leaving the store. After this display process, the process proceeds to step S11 to perform a switch input process. In this process, a status input process such as an IGN switch is performed.
Subsequently, the process proceeds to step S12, where communication processing with the portable device 2 is performed. In this communication processing, reception of a leaving request signal, a receiving request signal, a data request signal, and the like from the mobile device 2 and transmission of data and the like to the mobile device 2 are performed.

Following the communication processing of step S12, the process proceeds to step S13, in which it is determined whether or not there is a request for input of simple data from the portable device 2. If the determination is NO, the process proceeds to step S14, and the process proceeds to step S14. It is determined whether there is a request for input of detailed data from the device 2. Step S14
If the determination is NO, the process returns to step S2. on the other hand,
If the determination in step S13 is YES, simple data is set in the communication buffer formed in the work area in the RAM 12 for transmission, and if the determination in step S14 is YES, detailed data is set in the communication buffer. From step S2.

When the determination in step S2 is NO, that is, when the IGN switch is off, step S2
0, forming a sleep state, and following step S21
Performs clock processing. Subsequently, the process proceeds to step S22, where it is determined whether the out-of-stock flag set in the flag area in the work area 12a of the RAM 12 is set to 1. When the determination in step S22 is NO, the process proceeds to step S23 to determine whether or not there is a delivery request from the mobile device 2. When the determination in step S23 is YES and there is a delivery request, the process proceeds to step S24 to set the delivery flag. After setting the value to 1 and performing the retrieval process, the process proceeds to step S28 described later. Step S
When the determination at 23 is NO, the process skips step S24 and proceeds to step S28.

If the determination in step S22 is YES and the out-of-stock flag is set to 1, step S22 is executed.
The program proceeds to step 25, where the speed compression data is recorded in the data area 12b of the RAM 12. Thereafter, the process proceeds to step S26, where it is determined whether or not there is a storage request from the mobile device 2. If the determination in step S26 is YES and there is a storage request, the process proceeds to step S27 to reset the delivery flag to 0 and execute the storage process. Step S described later
Proceed to 28. If the determination in step S26 is NO, step S27 is skipped and the process proceeds to step S28.

In step S28, communication processing with the portable device 2 is performed. In this communication processing, reception of a leaving request signal, a receiving request signal, a data request signal, and the like from the mobile device 2 and transmission of data and the like to the mobile device 2 are performed.

Following the communication processing of step S28, the process proceeds to step S29, in which it is determined whether or not there is a request for input of simple data from the portable device 2. If the determination is NO, the process proceeds to step S30, and the process proceeds to step S30. It is determined whether there is a request for input of detailed data from the device 2. Step S30
If the determination is NO, the process returns to step S2. on the other hand,
If the determination in step S29 is YES, the process proceeds to step S31, in which simple data is set in a communication buffer formed in the work area in the RAM 12 for transmission. If the determination in step S30 is YES, step S31 is performed.
Proceeding to S32, the detailed data is set in the communication buffer, and the process returns to step S2.

As is clear from the description of the flowchart in FIG. 9, the CPU 11 of the vehicle-mounted device 1 writes the vehicle operation data including the running speed of the vehicle, which changes every moment, together with the generation time into the data area 12b of the RAM 12. , And functions as output means 11c for outputting data collected in response to a request signal from the outside. In particular, the output unit 11c, a simple data output means 11c ₁ for outputting the simplified data recorded in the simplified data area 12b ₁ in accordance with a simplified data request signal from the outside, depending on the detailed data request signal from the outside Detailed data area 1
Working details data recorded in 2b ₂ as the detailed data output means 11c ₂ for outputting.

In the illustrated embodiment, the portable device 2 composed of a handy keypad is used. However, as a device that requests simple data and detailed data and downloads these data, a small-sized device such as a notebook personal computer is used. highly portable general purpose computer can also be used, these
A portable device 2 or a general-purpose computer with excellent portability
It corresponds to the external device in the section.

As described above, data required for normal vehicle management is output to the vehicle by outputting simple data.
From the data area 12b of the fixed RAM 12,
Portable device 2 that can be taken down and handed over to the vehicle manager
The data can be downloaded without requiring a long waiting time , and the detailed data is also recorded. Therefore, when an administrator needs it in the event of an accident or other circumstances, the detailed data is also stored in the RAM 12. Data
Suction from rear 12b to portable device 2 and unload from vehicle
Handover to the vehicle manager for analysis .

[0032]

According to the present invention as described in the foregoing, the serial simplified data recorded in the simplified data area in accordance with the simplified data request signal from the portable terminal connected externally
Read from the storage device, transfer and output to the mobile terminal,
Storage means for storing detailed data recorded in a detailed data area in response to a detailed data request signal from a connected portable terminal
The data required for normal vehicle management is simple data.
By reading from the storage means and transferring and outputting the data to the portable terminal, it can be unloaded from the storage means fixed to the vehicle.
Above Sucking in portable devices that can be passed can pull the vehicle administrator Te
And detailed data from storage only when necessary
Since it is possible to selectively cause the portable device to download data, it is possible to shorten the normal data download time and shorten the download wait time.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a basic configuration of a digital vehicle operation recording device according to the present invention.

FIG. 2 is a diagram showing an embodiment of a vehicle-mounted device of the digital vehicle operation recording device according to the present invention.

FIG. 3 is a diagram showing an area in a RAM in FIG. 2;

FIG. 4 is a diagram showing an embodiment of a portable device of the digital vehicle operation recording device according to the present invention.

FIG. 5 is a diagram showing an area in a RAM in FIG. 4;

FIG. 6 is a diagram showing a specific example of a simple data area in the data area of FIG. 3;

FIG. 7 is a diagram showing a specific example of a detailed data area in the data area of FIG. 3;

FIG. 8 is a diagram showing a configuration example of a data area in FIG. 3;

FIG. 9 is a flowchart illustrating a process performed by a CPU in FIG. 2;

FIG. 10 is a diagram showing an external configuration of a general digital vehicle operation recording device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 On-vehicle apparatus 11b Writing means (CPU) 11c Output means (CPU) 11c ₁ Simple data output means (CPU) 11c ₂ Detailed data output means (CPU) 12b Storage means (data area) 12b ₁ Simple data area 12b ₂ Detailed data area

Claims (1)

(57) [Claims] 1. Before being mounted on a vehicle and changing every moment
With its occurrence time by means writes vehicle operation data comprising a running speed of the serial vehicle, and write records collected fixed storage means therein, a mobile end connected externally
Wherein the data the collected according to the request signal from the end SL
Read from the storage means and transferred to the portable terminal by the output means.
In the digital vehicle operation recording device configured to transmit and output, the storage means includes a simple data area for recording simple data and a detailed data area for recording detailed data, and the output means includes a simple data area from the portable terminal. Simple data output means for reading the simple data recorded in the simple data area in response to a data request signal and transferring and outputting the simple data to the portable terminal; and recording in the detailed data area in response to a detailed data request signal from the portable terminal And a detailed data output means for reading and outputting the detailed data to be transferred to the portable terminal .