JPH1116083A - Operation management system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To recognize abnormality on a vehicle side in real time and to improve the efficiency of the operation management of a vehicle by detecting the abnormality when data on the vehicle side become abnormal and radio- transmitting the data judged as abnormal to an operation base side. SOLUTION: When the vehicle 2 leaves a garage, the information of a present position and the present time, etc., outputted from a GPS receiver is fetched, speed data, engine rotation number data and water temperature data, etc., outputted from the respective kinds of sensors are fetched, operation condition data are prepared and they are stored in a memory card set to a device main body. Also, parallelly to the operation, whether or not the speed data, the engine rotation number data and the water temperature data, etc., satisfy abnormality judgement conditions set beforehand is checked. Then, in the case of judging them as abnormal, abnormality data are prepared, supplied to a portable telephone set, transmitted to a radio telephone base station 8 and supplied to a base device 4 and abnormality contents are reported to an operator.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operation management system which enables a management base to recognize and deal with an abnormal operating condition of a vehicle in real time.

[0002]

2. Description of the Related Art Currently, vehicles such as frozen vehicles, tank trucks, and general delivery trucks are often managed by an operation management system using a memory card. This operation management system records data collected by a sensor or the like on a vehicle side on a memory card, and manages the recorded contents of the memory card on an operation base side such as a vehicle office of a transportation company. . For example, a memory card is set in the in-vehicle device to record the operation status of the vehicle, the memory card is taken out from the in-vehicle device on a predetermined day such as the end of the month, and the memory card of the management base is read out by the card reader. The contents are read out to check whether there is any abnormality in the operation status of the vehicle and whether the vehicle is operating efficiently.

[0003]

However, in the above-mentioned conventional operation management system, when any abnormality occurs in data output from each sensor attached to the vehicle, for example, the fuel consumption and the like suddenly increase. When the number increases, the data cannot be detected unless the memory card storing the data is set in a card reader on the management base side and analyzed.

[0004] Therefore, even if some abnormality occurs in the engine or the like and fuel consumption increases,
Until the memory card is set in the card reader on the management base side, the vehicle is operated without noticing this, and there has been a problem that the operation cost of the vehicle is increased.

In view of the above circumstances, according to the present invention, when any abnormality occurs on the vehicle side, the operation base side can grasp the abnormality in real time to improve the efficiency of vehicle operation management. It aims to provide an operation management system that can be used.

According to the second aspect of the present invention, the mobile phone network or the M
An object of the present invention is to provide an operation management system that can transmit abnormal data on a vehicle side to an operation base side using an existing wireless line such as a CA system, thereby reducing system construction costs. And

[0007]

In order to achieve the above object, according to the present invention, according to the present invention, data collected on a vehicle side is recorded on a recording medium. In the operation management system that manages the recorded contents, when the data on the vehicle side becomes abnormal, an abnormality detection unit that detects the abnormality is determined to be abnormal when an abnormality of the data is detected by the abnormality detection unit. And a transmission unit for wirelessly transmitting data to the operation base side.

According to a second aspect of the present invention, in the operation management system according to the first aspect, the transmitting unit transmits the data determined to be abnormal to the operation base using the mobile phone system or the MCA system. Features.

In the above configuration, when the data on the vehicle side becomes abnormal, the abnormality is detected by the abnormality detection unit, and the data determined to be abnormal by the transmission unit is transmitted to the operation base side. You. This allows
When any abnormality occurs on the vehicle side, the operation base side grasps this in real time, and the operation management of the vehicle is made more efficient.

According to a second aspect of the present invention, in the operation management system according to the first aspect, data determined to be abnormal is transmitted to an operation base using a mobile phone system or an MCA system as the transmission unit. . This allows the abnormal data on the vehicle side to be transmitted to the operation base side using the existing wireless line, thereby reducing the system construction cost.

[0011]

FIG. 1 is a block diagram showing an embodiment of an operation management system according to the present invention.

The operation management system 1 shown in FIG. 1 includes an in-vehicle device 3 mounted on a vehicle 2 and a base device 4 provided on an operation base side. When any abnormal data is detected while recording, information such as the data determined to be abnormal, the current time, and the current position (latitude, longitude) is wirelessly transmitted to the base device 4 side. The operator on the fourth side is notified that an abnormality has occurred on the vehicle 2 side.

As shown in FIG. 2, the in-vehicle device 3 stores a memory card 5 used as a storage medium for operating status, a microprocessor circuit for performing various processes, a program for defining the operation of the microprocessor circuit, and the like. When a ROM circuit, a RAM circuit used as a work area of the microprocessor circuit, various interface circuits for connecting the microprocessor circuit to various external devices, and a memory card 5 are set,
An apparatus main body 6 including a card writer mechanism for writing operation status data and the like to the memory card 5.
And receives GPS signals transmitted from a plurality of artificial satellites, reproduces information such as the current position (latitude, longitude) and time of the vehicle, and supplies these information to the RS-232C terminal of the device body 6. The GPS receiver 7 and the RS-
A mobile phone 9 converts the transmission information output from the 232C terminal into a radio telephone signal and transmits the radio telephone signal to the radio telephone base station 8 side (see FIG. 1).

Then, the current position information and current time information output from the GPS receiving device 7 by the device
Various sensors installed in each part of the vehicle 2, for example, the vehicle 2
Speed sensor that detects the speed of the engine, engine speed sensor that detects the engine speed, fuel consumption sensor that detects the amount of fuel consumed, and water temperature sensor that detects the temperature of cooling water that cools the engine While fetching data, engine speed data, fuel consumption data, water temperature data, and the like, operation status data is generated based on these current position information to water temperature data, and the operation status data is stored in the memory card 5. Further, when the speed data, the engine speed data, the fuel consumption data, the water temperature data, etc. correspond to the preset abnormality determination condition, the data determined to be abnormal, the current time,
Transmission information such as the current position (latitude and longitude) is converted into a radio telephone signal via the mobile phone 9 and transmitted to the radio telephone base station 8 side.

The base unit 4 is installed in a vehicle management office or the like of a transportation company that manages the operation of the vehicle, and as shown in FIG. 3, defines a microprocessor circuit for performing various processes, and defines the operation of the microprocessor circuit. The apparatus main body 10 includes a ROM circuit that stores programs to be executed, a RAM circuit used as a work area of the microprocessor circuit, and the like, various function keys, a plurality of character keys, and the like. When each key is operated, various commands and various data corresponding to the operation contents are generated, and a keyboard 11 for supplying the generated data to the apparatus main body 10 and a memory card 5 when the memory card 5 is set. A card reader 12 for reading operation status data stored in the device 5 and supplying the operation status data to the device main body 10; Contents CRT13 to screen a corresponding to the display data outputted from the body 10, the main body 1
A printer 14 for printing out the contents corresponding to the print data output from 0, and a modem 16 for demodulating the modulated information supplied via a telephone line 15 and supplying the demodulated information to the main unit 10.

When the memory card 5 storing the operation status data is set in the card reader 12 by the vehicle-mounted device 3 and a data reading instruction is input from the keyboard 11, the card reader 12 is controlled by the device body 10. Then, the operation status data stored in the memory card 5 is read out, and the contents of the operation status data are displayed on the CRT 13. Thus, the operator can accurately grasp the operation status of the vehicle 2 on which the memory card 5 has been set. When information received by the wireless base station 8 (information transmitted from the vehicle-mounted device 2) is supplied via the telephone line 15, the information is demodulated by the modem 16 and the information is transmitted by the main device 10. The analysis is performed, and based on the analysis result, the content of the abnormality that has occurred on the vehicle 2 side is determined, and the determination result is displayed on the CRT 13. As a result, the operator can quickly know that an abnormality has occurred, and can accurately know the details of the abnormality.

Next, the operation of the operation management system 1 will be described with reference to the flowchart shown in FIG.

First, before the vehicle 2 on which the in-vehicle device 3 is mounted leaves the garage, each part of the device is initialized (initialized) by the device body 6 constituting the in-vehicle device 3 (step S1), and a card is inserted. It is checked whether the memory card 5 is inserted into the mouth 17. If the memory card 5 has not been inserted, the storage state is continued (step S3). Memory card 5 is card slot 1
7 (steps S2 and S4), the retrieval process is started, and the recording start time,
Information necessary for leaving the vehicle, such as a vehicle number and a crew code, is written (step S5).

When the vehicle 2 leaves the garage, information such as the current position and the current time output from the GPS receiving device 7 is taken in by the device main body 10, and speed sensors provided in each part of the vehicle 2 are provided. Speed data output from the engine speed sensor, fuel consumption sensor, water temperature sensor, etc., engine speed data, fuel consumption data, water temperature data, etc. are taken in, and information such as current position, current time, speed data, engine The operation status data is created by putting together the rotation speed data, the fuel consumption data, the water temperature data, and the like in a format specified in advance, and this is recorded on the memory card 5 set in the apparatus main body 6 (step S6).

Hereinafter, the operation of taking in information such as the current position and the current time, the operation of taking in speed data to water temperature data and the like, and the recording operation of the memory card 5 are repeatedly performed. The situation data is accumulated (steps S2 to S6).

In parallel with the above-mentioned operation,
Thus, the speed sensor, the engine speed sensor, the fuel consumption sensor, the speed data output from the water temperature sensor, etc., the engine speed data, the fuel consumption data, the water temperature data, etc. satisfy a predetermined abnormality determination condition. It is checked whether it is present (step S6). If any of these speed data, engine speed data, fuel consumption data, water temperature data, etc., corresponds to each of the abnormality determination conditions, data determined to be abnormal, for example, water temperature data, is stored in advance. If it is determined that the temperature is higher than the set upper limit water temperature (step S
8) The water temperature data and information such as the current position and current time obtained by the GPS receiver 7 are put together to create abnormal data (step S8). Then, the created abnormal data is supplied to the mobile phone 9 and converted into a radio telephone signal, and transmitted to the radio telephone base station 8 (step S9).

Then, the radio telephone signal is converted into a normal telephone signal by the radio telephone base station 8 which has received the radio telephone signal, and is converted via the telephone exchange 18 and the telephone line 15 to the modem 16 of the base unit 4. The telephone signal is demodulated by the modem 16 and abnormal data is reproduced. At the same time, the abnormal data is analyzed by the apparatus main body 10 to determine the contents of the abnormality generated on the vehicle 2 side. The result of this determination is displayed on the CRT 13 and
The details of the abnormality are notified to the operator.

With this, the operator refers to a table or the like in which a preset countermeasure for an abnormality is written and refers to an optimal countermeasure for the content of the abnormality, for example, stopping the vehicle 2 to stop the vehicle. The driver or the like of the vehicle 2 is notified of a coping method such as making the driver look at the vehicle.

When the vehicle 2 returns to the garage, the end time and the like are written in the memory card 5 by the main unit 6, and then the memory card 5 is removed from the main unit 6 and the card of the base unit 4 is removed. It is set on the reader 12.

Next, the operation status data stored in the memory card 5 is read out by controlling the card reader 12 by the apparatus main body 10 based on the operation contents of the keyboard 11, and the operation status data is stored on the CRT 13. The contents are displayed and the operator is presented with the memory card 5
The operation status of the vehicle 2 in which is set is presented.

As described above, in this embodiment, while the operation status of the vehicle 2 is recorded by the on-vehicle device 3,
When any abnormal data is detected, information such as the data determined to be abnormal, the current time, and the current position (latitude, longitude) and the like are wirelessly transmitted to the base device 4 side.
To inform the operator on the side that an abnormality has occurred on the vehicle 2 side. When an abnormality occurs on the vehicle 2 side, the operation base side grasps this in real time and Operation management can be made more efficient.

In the above-described embodiment, a wireless telephone system using the mobile phone 9 is used as a wireless system for connecting the vehicle-mounted device 3 and the base device 4. Wireless systems other than such wireless telephone systems, such as the MCA system (Multi Ch.
The in-vehicle device 3 and the base device 4 may be connected by using an annel access system).

In this case, similarly to the case where the wireless telephone system is used, the abnormal data on the vehicle side can be transmitted to the operation base side using the existing wireless line. Costs can be kept low.

[0029]

As described above, according to the present invention, according to the first aspect, when any abnormality occurs on the vehicle side, the operation base side grasps the abnormality in real time to efficiently manage the operation of the vehicle. Can be changed.

According to the second aspect of the present invention, the mobile phone network or the M
Abnormal data on the vehicle side can be transmitted to the operation base side using an existing wireless line such as a CA system, so that the system construction cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of an operation management system according to the present invention.

FIG. 2 is a perspective view showing a detailed configuration example of the vehicle-mounted device shown in FIG.

FIG. 3 is a block diagram showing a detailed circuit configuration example of the base device shown in FIG. 1;

FIG. 4 is a flowchart showing an operation example of the operation management system shown in FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Operation management system 2 ... Vehicle 3 ... In-vehicle device 4 ... Base device 5 ... Memory card (recording medium) 6 ... Device main body (abnormality detection unit) 7 ... GPS receiving device 8 ... Wireless telephone base station (mobile phone system) 9 ... a mobile phone (transmitting unit, mobile phone system) 10 ... device body 11 ... keyboard 12 ... card reader 13 ... CRT 14 ... printer 15 ... telephone line 16 ... modem 17 ... card insertion slot 18 ... telephone exchange office

Claims (2)

[Claims] 1. An operation management system for recording data collected on a vehicle side on a recording medium and managing the recorded contents of the recording medium on an operation base side, when the data on the vehicle side becomes abnormal. An abnormality detection unit that detects the abnormality, and a transmission unit that wirelessly transmits data determined to be abnormal to the operation base side when the abnormality is detected by the abnormality detection unit. Operation management system. 2. The operation management system according to claim 1, wherein the transmission unit transmits data determined to be abnormal to the operation base using a mobile phone system or an MCA system. Operation management system.