JPS5948183B2 - Enkakumonitorouchi - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a remote monitoring device for multiple vehicles.

Conventionally, this type of centralized management device has not been provided on the market.

Additionally, when it comes to inspections during work, managers could inspect each vehicle themselves, but when it comes to abnormalities occurring in various parts during operation, there is no other way than to trust the operators.
The reality was that it was not possible to control the status of the equipment while it was in operation. This has led to an increase in vehicle accidents and even personal injury. The present invention has been developed in view of the above circumstances, and its purpose is to detect defects in on-the-job inspections and unconfirmed abnormal driving due to neglect of fuel gauges by using various sensors installed in various parts of the vehicle. The abnormality is detected and simultaneously modulated and sent to the manager's monitor signal receiving device using the carrier wave so that the manager can also confirm the abnormality, thereby preventing the spread of vehicle trouble and personal injury, and If no action is taken even if an abnormality is sent, the administrator will issue an alarm to the vehicle, and after a certain period of time has elapsed since the alarm was issued, the engine fuel control will be performed and the vehicle will be shut down. Slowdown '0
The goal is to make it happen.

That is, in the present invention, each vehicle includes a sensor group that detects the state of an abnormality monitoring location of the vehicle, and a monitor signal transmitter that transmits a predetermined frequency signal in response to each output of the sensor group.
an alarm signal receiving device that receives the alarm signal transmitted from the central control device, controls the deceleration of the vehicle and emits the alarm signal, and transmits the frequency signal transmitted from the monitor signal transmitter to the central control device. is received, and the status of the abnormality monitoring location is set to 0 in response to the frequency signal.
The system includes a monitor signal receiving device that displays information on each vehicle for each vehicle, and an alarm signal transmitting device that transmits a predetermined frequency signal corresponding to each vehicle, and allows an administrator to centrally manage the status of a plurality of vehicles. That's what I do.

5 Hereinafter, the present invention will be explained with reference to the drawings.

In the drawings, A indicates each vehicle side, and B indicates a central control device.
Each vehicle is provided with a monitor signal transmitting device A' and an alarm signal receiving device B1, and the central control device B is provided with a monitor signal receiving device B' and an alarm signal transmitting device B1.

The monitor signal transmitter N is composed of audio oscillation circuits 1 to 8, a mixer circuit 9, a sensor circuit 10, and a modulation/oscillation circuit 12.

The audio oscillator circuits 1 to 8 correspond to sensor abnormality signals, which will be described later.When a certain sensor detects an abnormality in the vehicle, a signal corresponding to that sensor in advance, such as f1+F
3 (two-frequency mixing) is placed on the carrier wave and oscillated.

The mixer circuit 9 combines two of the signals oscillated by the audio oscillation circuits 1 to 8 to create another new signal.

For example, to detect abnormalities in 8 sensors in each of 3 vehicles, 3x8, or 24 oscillation circuits are required, but in the 2-frequency mixing method, the number of required audio oscillation circuits x to make 24 distinctions is Well, solving this means that we need 8 pieces.

Generally speaking, if m cars are equipped with n sensors, the number of audio oscillation circuits in this case is 8.For these reasons, in order to adopt the two-frequency mixing method, mixer circuit 9 is required. Is required.

As shown in FIG. 2, the sensor circuit 10 includes a radiator water level sensor a, an engine water temperature sensor b, an air cleaner clogging sensor C, an engine circuit sensor D, an oil pan oil level e1, an engine oil filter clogging sensor f, and an engine oil pressure sensor. g, a torque converter oil temperature sensor h, and a counter and logic for counting these pulses.

The sensor circuit 10 has built-in operating logic.
By setting the key switch 0N output or the 0R logic of the generator output, for example, even if the lamp of a remote monitor device does not work, it is because the key switch is not set to 0N, that is, the transmitting power supply circuit is set to 0N. A key switch confirmation lamp 355 is attached to the remote monitoring device in order for the administrator to determine whether this is because the system is not working or there is no abnormality. This signal is transmitted preferentially.
The sensor circuit 10 also has a checker function, and when the operator presses the checker button, this signal activates all alarms on the remote monitor, just like the sensor signal.
This is to confirm that the counter is 01, and is to check the device itself in the same way as the previous key switch ON output and generator output.

The modulation circuit 11 performs FM modulation on a mixed frequency selected by a signal from a sensor that detects an abnormality, and transmits the modulated signal onto a carrier.

The oscillation circuit 122 oscillates a mixed frequency.

This is one channel. 13 is an antenna.

The alarm signal transmitting device A'' consists of an alarm button 37, a transmitting circuit 38, and an antenna 39, and this alarm button 37 is provided in number for each vehicle, so that the operator can do nothing even if an abnormality occurs in the vehicle. This button is pressed by the administrator when the engine continues to operate without taking any action, and it sends an alarm signal to the vehicle in which an abnormality has occurred, and after a certain period of time, the engine is forcibly slowed down.

Note that the above-mentioned alarms are sent out for each vehicle using different frequencies, for example. The transmitting circuit 38 also has a function of oscillating in response to the ON state of the alarm button 37.

The alarm signal receiving device B'' includes a receiving circuit 41 and an antenna 4.
0, an alarm 42, and a dexel control section 43.

The receiving circuit 41 demodulates the alarm for the own vehicle from the carrier and extracts a switching waveform of 0N-0FF.

Also included is a dexel delay circuit. The alarm 42 is a buzzer having a sound pressure of about 100 dB (Atlm) and is mounted on a panel of the vehicle body.

It operates when 0N is output from the receiving circuit. This alarm is an intermittent alarm. The dexel control unit 43 has a function of slowing down the rotational speed of the engine after a certain period of time after the receiving circuit 41 outputs the ON signal.

For this purpose, it is constructed with an amplifier circuit, fuel control valve, etc. The monitor signal receiving device B5 includes a receiving circuit 15, an AGC circuit 16, filters 17 to 24, comparison circuits 25 to 32, a logic circuit 33, an amplification circuit 34, a display and an alarm 35, and an abnormality count display. 36 and a key switch confirmation lamp 35'. The antenna 14 of the receiving circuit 15 is a rod antenna capable of receiving signals from all directions except the vertical direction.

The AGC circuit 16 functions to keep the signal level constant even if the reception condition changes.

The filter IT-24 discriminates the mixed signals demodulated by the receiving circuit 15 and separates them into single audio signals.

The comparison circuits 25-32 compare the voltages of the signals output from the filters IT-24 using Schmitt circuits.

In the logic circuit 33, the voltage-compared signal selects the original mixed signal f1+F2 and activates the corresponding amplification circuit.

The amplifying circuit 34 corresponds to each sensor, displays the abnormal location, alarm 35, and abnormal number display section 36.
Activate.

The display and alarm 35 is an indicator that indicates whether there is an abnormality, and if there is an abnormality, the entire letter will be brightly lit by a lamp.
At the same time, the alarm goes off.

The abnormality count display section 36 counts and displays how many times an abnormality has occurred at which location. This allows you to know how many times an abnormality has occurred after operation. What is shown in FIG. 3 is the external appearance of the signal receiving device B'', and the signal receiving device B' has a display section 35 for each vehicle NOI, NO2, NO3, and an abnormality number display section 36 corresponding to these display sections 35. is provided.

The display section 35 displays engine rotation, engine water temperature, engine oil pressure, torque converter oil temperature, air cleaner clogging, radiator water level, engine oil filter clogging, and oil pan oil amount.

The signal receiving device B'' includes a power switch 44, a pilot lamp 45, a reset button 46, a key switch confirmation lamp 35', an alarm 35'', a recorder connection connector 47,
An alarm button 3T is provided.

When one of the sensors a to h detects an abnormality in the vehicle, the corresponding one of the audio oscillation circuits 1 to 8 oscillates on a carrier wave.

A mixer circuit 9 generates another new signal by combining two of the oscillated signals. The mixed frequency selected by the signal of the sensor detecting the abnormality is FM-modulated by the modulation circuit 11, placed on a carrier, and oscillated by the oscillation circuit 12'. The mixed signal received by the receiving circuit 15 and whose signal level is kept constant by the AGC circuit 16 is discriminated by the filter IT~24 and separated into each single audio signal, and the voltages are compared in the Schmitt circuit. .

The voltage-compared signals are used in the logic circuit 33 to select the original mixed signal and activate the amplification circuit 34 corresponding to the original mixed signal. The width increasing circuit 34 is compatible with each sensor.
The display section 35 and the abnormality count display section 36 are activated. That is, in the case of an abnormality in the display section 35, the entire displayed character becomes bright by the lamp.

At the same time, the alarm 35'' sounds.Furthermore, the number of abnormalities is displayed on the abnormality number display section 36.Moreover,
If the operator continues operation without taking any action despite the occurrence of an abnormality in the vehicle, the administrator presses the alarm button 3T corresponding to the vehicle to generate an alarm signal from the transmitting circuit 38. The receiving circuit 41 receives this oscillated signal, generates an alarm, and causes the dexel control section 43 to slow down the rotational speed of the engine. The present invention has been described in detail above, and each vehicle is provided with a monitor signal transmitting device A', and this monitor signal transmitting device A'' is connected to a sensor circuit 10 having sensors a to h provided in each detection section of the vehicle. , a mixer circuit 9 that oscillates a signal on a carrier wave in advance when a certain sensor detects an abnormality, and a mixer circuit 9 that oscillates a signal on a carrier wave in association with that sensor, and FM modulates a mixed frequency selected by the signal of the sensor that detected the abnormality and sends it to the carrier. The monitor signal receiving device B' of the central control device is composed of a modulating/oscillating circuit 12 that oscillates, a receiving circuit 15 that demodulates the oscillated signal, and a receiving circuit 15 that demodulates the oscillated signal, and separates the demodulated mixed signals and separates them into single signals. Filters IT~24 that separate the audio signals, and comparison circuits 25~32 that compare the voltages of the signals output from the filters 17~24 using Schmitt circuits.
, a logic circuit 33 that selects the original mixed signal based on the voltage-compared signals and activates the corresponding amplification circuit 34, and a display and alarm that indicates where the amplification circuit 34 is abnormal due to the operation of the amplification circuit 34. section 35, and an abnormality count display section 36 that counts and displays the number of times an abnormality has occurred at which location due to the operation of the amplifying circuit 34. Furthermore, the central control device is provided with an alarm signal transmitting device A'', and each Since the vehicle is equipped with an alarm signal receiving device B1 and an alarm signal is sent to the vehicle in which an abnormality has occurred based on the output signal of the monitor signal receiving device B', it is possible to prevent defects in inspections during work and neglect of gauges. In the case of unconfirmed abnormal driving, the abnormality is detected by various sensors installed in each part of the vehicle, and at the same time, the abnormality is detected by the carrier wave that is modulated by the manager. Expansion of problems and personal accidents can be prevented.

In addition, if a vehicle abnormality is sent but no action is taken, the central control device can issue an alarm to the vehicle, and if a certain period of time has passed since the alarm was issued, the engine fuel will be depleted. Control is performed and the vehicle can be slowed down.

The device of the present invention is characterized by two-way communication that not only allows information to be transmitted from the vehicle to the central control device, but also allows the administrator to control the vehicle based on the information collected.

By allowing administrators to centrally manage multiple vehicles in this way, it is possible to avoid malfunctions and to manage the actual operating history of vehicles and the working hours of operators, allowing for rational and smooth operation of vehicles and operators. can.

[BRIEF DESCRIPTION OF THE DRAWINGS] The drawings show one embodiment of the present invention, and FIG. 1 is a block diagram thereof, FIG. 2 is an explanatory diagram of mounting various sensors on actual equipment, and FIG. 3 is an external view of a signal receiving device. .

Claims (1)

[Claims] 1. In a remote monitoring device for multiple vehicles that centrally manages the status of multiple vehicles, each vehicle is equipped with a group of sensors that detect the status of abnormality monitoring points of the vehicle, and a predetermined frequency signal corresponding to each output of the sensor group. a monitor signal transmitting device that transmits the
an alarm signal receiving device that receives an alarm signal transmitted from a central control device, controls the deceleration of the vehicle and issues an alarm, and causes the central control device to receive a frequency signal transmitted from the monitor signal transmitting device. death,
A plurality of monitor signal receiving devices that display information regarding the state of the abnormality monitoring location for each vehicle in response to the frequency signal, and an alarm signal transmitting device that transmits a predetermined frequency signal corresponding to each vehicle for each vehicle. Vehicle remote monitoring device.