JPS5814027A - Tester for operation of vehicle - Google Patents

Abstract

PURPOSE:To easily decide whether or not the operation of the equipment on a vehicle can be performed within a given running distance of the vehicle, by a method wherein the measurement of the running distance of the vehicle during the operation of the equipment on the vehicle based on the instruction for the operation from the ground is compared with a reference running distance value. CONSTITUTION:By closing the start switch SS of a tester 7 on the ground and a switch 91 for closing blades of a snowplow, the instruction by the operation on a given frequency is transmitted to the slave member 3 on a vehicle 1 from a master member 10 on the ground to perform the control of the closing operation of a blade through the working of relays 41 and 51 by means of a hydraulic device. Simultaneously, an instruction is inputted to a speed setter 11 also, and a pulse, corresponding to a set speed, is counted by a counter 13, which stops a counting, through the working of the relay 51 as soon as the closing operation of the blade is completed to measure a running distance. If a measurement distance is found to exceed a reference distance through the comparison of the measured running distance with the reference distance from a memory unit 141, a comparator 15 generates an alarming signal. This enables to perform an easy decision of whether or not the operation the equipment on the vehicle can be conducted within a given running distance of the vehicle, and prevents damaging of the device on the vehicle due to a ground impediment.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vehicle operation testing device.
111 Tl Temple's mobile body control plan Shikata 1. A method of giving point information to a mobile body from a predetermined point on the ground and controlling the mobile body using the point information as a starting signal is widely known. One example is the control of snow removal equipment, such as the true opening/closing of automatic plow vehicles and the vertical control of flancia. An automatic snowplow moves at high speed while protruding snow removal devices such as wings and flancia beyond the limits of the vehicle to perform so-called out-of-limits abatement. Specific sections such as tunnels, railroad crossings, and platforms (prohibited sections)
These snow removal devices must be accommodated within vehicle limits when passing through a At railroad crossings, he closed the hood and raised the franchisor at railroad crossings. However, Russell vehicles are often dispatched during snowstorms, at night, and other times when visibility is poor, resulting in a large negative impact on the crew. For example, before entering a tunnel, a beacon is installed at a fixed point, and the point information is transmitted from the beacon to a running snowplow. The snowplow then starts its closing operation.When the opening and closing operation mechanism is normal, the ground element receives point information from the ground element and then performs a predetermined operation before entering the tunnel. It is located at such a position that the blade opening operation is completed at that point.

However, in order to perform this control effectively and safely, it is essential that the blades are completely closed while the snowplow travels a distance from the ground pole to a predetermined point before entering the tunnel. if,
If not, the wings could collide with the tunnel wall, causing a serious accident. The same applies when passing through prohibited areas such as railroad crossings and platforms.

Hydraulic mechanisms are often used to open and close the wings and to move the 7-land gear up and down, and since hydraulic mechanisms often operate more slowly than electronic circuit devices, the vehicle speed required to complete the operations is limited. It is essential to know the distance traveled.

The present invention aims to provide a vehicle operation testing device that can easily determine whether or not the on-vehicle device can be operated from the start of operation to the end of operation within a predetermined travel distance of the vehicle.

An embodiment of the present invention will be described with reference to FIG.

The item surrounded by a dotted line and indicated as 1 is, for example, an automatic snowplow, and during the test, it is placed on a known vehicle test stand and driven for entertainment purposes.The item surrounded by a dotted line and indicated as 7 is according to the present invention. It is a test device.

In the test apparatus 7, 8 is an operation command signal generator, which is connected to an operation command type setting device 9 via a start switch BS. The operation command type setting device 9 includes a switch 91 and a capacitor CI, a switch 92 and a capacitor C□ a switch 93 and a capacitor C.

Since the switch 94 and the series circuit of the capacitor C4 and the inductance L are connected in parallel, by setting the respective capacitances to different predetermined capacities and closing the switch 91, a signal of a predetermined frequency that commands reduction/closing, for example, is generated. By closing the switch 92, a signal with a predetermined frequency f8 commands the blade spacing, and by closing the switch 93, a signal with a predetermined frequency f commands the raising of the flange. It is set so that the signal f4 for lowering the signal f7 is output. The output side of the operation command type setting device 9 is a ground element 10 and a speed setting device 11.
and is connected to the recording device 14. The ground element 10 is provided at a position where it can receive and receive electromagnetic signals from the onboard element 3.

, the speed setter 11 is connected to the distance measuring device 13 via the speed pulse generator 12, and the storage device [14 is connected to the comparator 15.

The onboard child 3 includes an amplifier 411 and a relay 41. Amplifier 421
and relay 42. Series circuits of amplifier 431 and relay 43 and amplifier 441 and relay 44 are connected in parallel.

Reference numeral 50 denotes a controller, and on its input side there is an operation 43 of a relay 41.
° and the operating contact 44゛ of the relay 44 are connected in parallel, ~
The output sides of 54 are connected to distance measuring devices 13, respectively. In such a configuration, for example, when testing the operation between the blades, the switch 91 is closed after the start switch SS is closed. As a result, an operation command consisting of the frequency f between the wings is given from the ground element 1O to the onboard element 3, and the relay 41, which is activated only by f□, is amplified i.
411 for operation. This closes the operating contact 41' of the relay 41, and when the relay 51 operates, it supplies oil to the hydraulic mechanism in a direction that closes the blades that are in the open state. On the other hand, the operation command signal f is also input to the speed setter 11 to enable the speed pulse generator 12Fi to operate, and the output of the relay 51 is input to the distance measuring device 13, so that The set speed information is given to the speed pulse generator 12, and the speed pulse generator 12
is the above-mentioned speed setting switch SS, and when the switch 92 is closed, the frequency is f! An equivalent velocity pulse having a period corresponding to the motion information is applied to the distance measuring device 13. The distance measuring device 13 then starts counting velocity pulses. When the closing operation is completed, this is detected using a known IJ fimit switch, and the distance measuring device 1 uses the detection No. 18 as an operation completion signal.
Give to 3. Thereby, the distance measuring device 13 finishes counting. In this way, the distance measuring foot h13 counts the distance according to the set speed from the start to the end of the closing operation of the box, and outputs the distance information to the comparator 15. Operation command signal f,
is also output to the storage device 14, so f1
A memory 1410 stores the standard distance required for the closing motion of the wings, which is activated only by the wing number, and outputs this memory to the comparator 15. The comparator 15 compares the output of the distance measuring device 13 and the output of the memory 141, and if the distance information of the distance measuring device 13 is greater than the standard distance from the memory 141, an alarm is issued; otherwise, an alarm is issued. do not.

When testing the opening action of the wings, use Star 8- Another example is illustrative.

An operating command is given from the ground element 10 to the onboard element 3, the relay 42 operates, its operation contact 42 closes, and the relay 52 operates to supply oil to the hydraulic mechanism in the blade opening direction, and the distance measuring device 13 generates a distance pulse. The count is counted as Ml°, and the counting is terminated by the completion signal of the wing opening operation, and the distance information in the memory 142 is compared with that in the distance measuring device 13.

Similarly, to test the raising or lowering operation of the franchisor, start switch SS, switch 93 or 94 closed, operation command f or f, Nyorori relay 4
3 or 44 operation, contact 43' or 44' closed,
Start of raising or lowering the franchisor by operating relay 53 or 54, start of distance counting by distance measuring device 13,
Counting is completed in response to a raising or lowering operation completion signal, and the counted distance information is compared with the standard distance information stored in the memory.

In this example, in the above-mentioned invention, the distance traveled by the vehicle from the start to the end of the operation of the on-board device is compared with the standard mileage to test whether the on-board device has acceptable operating performance. The difference is that the time from the start to the end of the on-board device's operation is compared with the standard time to test whether it meets acceptable operating performance, but other things are the same. When the 0 operation start signal is input to the time measuring device 17, time counting starts, and when the operation completion signal of the on-board device is input, the time measuring device 1 starts counting.
7 is completed, and the measured time information is given to the comparator 19. On the other hand, in response to the f1 signal, if the information is υ greater than the standard operating time from the memory 181 that stores the standard operating time of the on-board device and the memory is given to the comparator 19, a V alarm is issued. 0 The above example describes the case of testing the operation of the snowplow blade and 7-langeer, but it is of course possible to test the operation of other snowplow equipment @Sakaki in the same way. , weight loss and raising the 7 lancia, lowering the lancia between the wings, lowering the lancia between the wings,
Operate the mechanisms of each combination using operation command signals of the same frequency, and compare the distance and time until all operations of each mechanism are completed with the standard distance and standard time to determine the operation of the entire mechanism parts that are closely related. Can also be used to test performance. Further, in the above embodiment, an example was described in which the onboard device receives an operation command signal from a point detector, but the present invention transmits a signal current flowing through the rail to the onboard device 3.
It is similarly applicable to the case where the signal is received electromagnetically and used as an operation command signal. Furthermore, in the above embodiment, an example was described in which one movement of a wing or the like is started immediately upon receiving operation command information from the ground, but in a case where control is performed to delay the operation of an on-board device according to the speed of the vehicle. For example, the time required for a snowplow equipped with an automatic snow removal device to pass the ground element and issue a command to start interwing movement between the ground element and the prohibited area, and the operation of the blades, etc. When controlling to delay by the difference from the time
41525) can also be conducted in substantially the same manner as described above.

[Brief explanation of drawings]

FIG. 1 is a circuit diagram showing an embodiment of the invention, and FIG. 2 is a circuit diagram showing a second embodiment of the invention. 6... On-board device, 9... Operation command type setting device, 13
... distance measuring device, 14 fist... storage device, 15... comparator, 17... time measuring device, 18. field storage device, 1
9... Comparator

Claims (1)

[Claims] 1) An operation command type setting device that transmits an operation command to the on-board device according to the type of on-board device in a device that tests the operating state of the on-board device by giving operation command information to the on-board device from the ground. , a distance measuring device that receives an operation start signal and an operation end signal according to the above-mentioned operation command of an on-board device, and measures the distance traveled by the vehicle during the operating time of the on-board device; A vehicle operation testing device comprising: a memory device that stores a standard mileage of a vehicle; and a comparator that compares the mileage measured by the distance measuring device with the standard mileage stored in the memory device. 2) The vehicle operation test device according to claim 1, wherein the mileage information input to the comparator is based on a standard road. 3) An operation command type setting device that sends operation commands to the on-board device for testing the operating status of the on-board device by giving operation command information to the on-board device from the ground, and □ start of operation according to the above-mentioned operation command of the on-board device. A time measuring device that receives the signal and the operation end signal and measures the time between them, a storage device that stores the standard operating time of the onboard device, and a storage device that stores the time stored by the time measuring device and the standard operating time stored in the storage device. A vehicle operation test device equipped with a comparator for comparison. 4) The vehicle operation test device according to claim 3, which is configured to notify when the time measured by the time measuring device input to the storage device exceeds the standard time of the storage device.