JPH07121234A - Peripheral device inspection system of material reloading system - Google Patents

Abstract

PURPOSE:To efficiently inspect plural peripheral devices of the material reloading system. CONSTITUTION:When the peripheral devices of the material reloading system are inspected, an inspector switches the setting of control to 'inspection mode' at a command station 1, which performs control for inspection over the peripheral devices such as an arrival setting board 2, an entrance gate front sensor 3, an entrance gate 4, an entrance gate area sensor 5, an entrance gate rear sensor 6, patrol light 7a and 7b, speakers 8a and 8b, exit gate front sensor 10, an exit gate area sensor 11, an exit gate 12, an exit gate rear sensor 13, and blusters B1-B4 according to a program 21b for inspection.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention automatically transfers a plurality of kinds of materials from a plurality of material storage areas into a plurality of hoppers in order to mix the materials in an asphalt mixture material factory or a concrete plant factory. Accordingly, the present invention relates to a method of inspecting peripheral devices of a material transfer system for producing a predetermined amount of a product obtained by combining predetermined types of materials at a predetermined mixing ratio within a predetermined time.

[0002]

2. Description of the Related Art Conventionally, a material transfer system at an asphalt mix factory, a concrete plant factory, etc., has a command station that controls a self-propelled work vehicle and manages the material transfer system, a material storage area where a plurality of materials are placed. , A plurality of hoppers into which the materials in the material storage area are loaded, an entrance switch for entering the material receiving vehicle into the work area, and an arrival setting panel having a display section for instructing the vehicle driver. Entrance gate for exit, exit gate, multiple photoelectric, ultrasonic, or radio wave sensors to detect vehicles and intruders, only the material at the bottom of the hopper falls onto the conveyor, and the material above is on the conveyor It has a plurality of peripheral devices such as a blaster for preventing an arching state in which it does not fall. Then, the command station causes the automated work vehicle to perform work such as transferring the material in the predetermined material storage area to the predetermined hopper based on various information from the plurality of peripheral devices.

Therefore, the failure of the plurality of peripheral devices may cause the production of products to be stopped or cause a serious accident. Therefore, in order to prevent the failure of a plurality of peripheral devices or the occurrence of an accident resulting from the failure of a plurality of peripheral devices, the plurality of peripheral devices have been regularly inspected.

In this inspection of a plurality of peripheral devices, which is carried out periodically, a plurality of inspectors are divided into a command station and a work area for the inspection, and the peripheral devices are communicated with each other by using wireless means such as a transceiver. Wiring check, lamp burnout, malfunction check, etc.

For example, when inspecting a sensor for detecting a vehicle, at least two or more inspectors are divided into a work area and a command station, and the inspector on the work area side stands in a detection area of a sensor for detecting a vehicle and a transceiver. Etc. is used to inform the inspector on the command station side that the sensor has been detected.
Then, the inspector on the command station side inspected in the command station whether or not the sensor for detecting the vehicle is in the detection state.

[0006]

As described above, in the material transfer system, when a plurality of peripheral devices such as an arrival setting board, an entrance gate, an exit gate, a vehicle and a sensor for detecting an intruder are inspected, Multiple inspectors were divided into a command station and a work area, and they were communicating with each other using wireless means such as transceivers. Therefore, a plurality of inspectors and communication means are required, which takes time and is inefficient.

Further, if it takes a long time to inspect a plurality of peripheral devices, the time required for producing the product, which is the original purpose of the material transfer system, is shortened, which also affects the production of the product. there were.

Therefore, the present invention has been made in view of such a situation, and it is possible to efficiently inspect a plurality of peripheral devices of a material transfer system, and moreover, one inspector can perform the inspection in a short time. An object of the present invention is to provide a peripheral device inspection method for a material transfer system that does not affect the production of products in the material transfer system.

[0009]

The present invention provides a material transfer system in which a command station controls a plurality of peripheral devices to perform entrance / exit management of a predetermined work area and material transfer / mixing work. In the peripheral device inspection method of the material transfer system for inspecting the operation state of the plurality of peripheral devices, the command station is set to switch from a normal work mode to an inspection mode for inspecting the operation state of the plurality of peripheral devices. Setting means for carrying out the above, storage means for storing an inspection control program for the plurality of peripheral devices in the inspection mode, and when the inspection mode is set by the setting means,
And a control unit for performing a predetermined output control for the plurality of peripheral devices as a test result based on the test control program stored in the storage unit.

[0010]

According to the present invention, the command station controls a plurality of peripheral devices to control entrance / exit of a predetermined work area and transfer of materials / mixing work. When inspecting the operation state of the device, when the setting means in the command station is set to switch from the normal work mode to the inspection mode, the control means causes the control means to operate in the normal work mode by the switching setting to the inspection mode. Control is performed to interrupt the control for a plurality of peripheral devices, and the mode is shifted to the inspection mode. In this inspection mode, the control means follows the inspection control program in the inspection mode stored in the storage means, and when there is an input from the plurality of peripheral devices, a predetermined value for the input of the plurality of peripheral devices. Output control is performed, and if no input is required, predetermined output control is performed.

Therefore, when inspecting the plurality of peripheral devices of the material transfer system, the inspector sets the inspection mode at the command station and then outputs from the plurality of peripheral devices in the vicinity of the plurality of peripheral devices. It is possible to efficiently inspect a plurality of peripheral devices based on the predetermined inspection result.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows the overall construction of a material transfer system which is an embodiment of the present invention.

In FIG. 1, the material transfer system includes an arrival setting panel 2 having an entrance switch 2a and a display section 2b.
Entrance gate front sensor 3, Entrance gate 4, Entrance gate area sensor 5, Entrance gate rear sensor 6, Multiple patrol lights 7a, 7b, Multiple speakers 8a, 8b, Work area 9, Exit gate front sensor 10, Exit gate area sensor 11, an exit gate 12, a sensor 13 after the exit gate, a self-propelled work vehicle 14, material storage areas Z1 to Z4, hoppers H1 to H4 each having a blaster, and a command station 1.

The command station 1 includes an arrival setting panel 2, an entrance gate front sensor 3, an entrance gate 4, an entrance gate area sensor 5,
After the entrance gate sensor 6, a plurality of patrol lights 7a, 7b,
Multiple speakers 8a, 8b, exit gate sensor 1
0, exit gate area sensor 11, exit gate 12, post-exit gate sensor 13, hopper H1 having a blaster
A plurality of peripheral devices such as ~ H4 and the self-propelled work vehicle 14 are controlled and managed.

The arrival setting board 2 is installed outside the work area 9 near the entrance gate 4. The entrance switch 2a of the stock setting panel 2 has push button lamps and confirmation buttons for only the types of materials to be stocked. Then, when the driver of the dump truck for receiving the material pushes the push button lamp of the same type as the incoming material, the push button lamp blinks, and then the confirmation button is pushed,
The blinking push button lamp is turned on, and the information of the pushed push button lamp is transmitted to the command station 1. Also,
The display unit 2b of the arrival setting panel 2 is a material storage instruction lamp for instructing the dump truck driver of the material arrival, where to discharge the material, and an admission lamp for instructing admission / non-admission. And a non-arrival lamp and a self-propelled work vehicle operating lamp indicating that the self-propelled work vehicle is in operation. Then, the display unit 2b turns on the material storage instruction lamp, the entrance permission lamp, the arrival prohibition lamp, or the self-propelled work vehicle operating lamp according to the control information transmitted from the command station 1.

The entrance gate front sensor 3 is installed near the entrance gate 4 as a sensor for detecting a vehicle. When the entrance gate sensor 3 detects a vehicle, it transmits a signal indicating that the vehicle has been detected to the command station 1.

The entrance gate 4 opens and closes based on the control information transmitted from the command station 1.

The entrance gate area sensor 5 is installed near the entrance gate 4 as a sensor for detecting an intruder. Then, when the entrance gate area sensor 5 detects an intruder, a signal indicating that the intruder is detected is transmitted to the command station 1.

The entrance gate rear sensor 6 is installed near the entrance gate 4 as a sensor for detecting a vehicle. Then, when the sensor 6 after the entrance gate detects a vehicle, a signal indicating that the vehicle is detected is transmitted to the command station 1.

The patrol light 7 is a light for displaying the state of the self-propelled work vehicle 14 such as running and waiting, "red",
It has “yellow” and “green” lights and is installed in plural in the work area 9. And this patrol light 7
Each light is turned on according to the control information transmitted from the command station 1.

The exit gate front sensor 10 is installed near the exit gate 12 as a sensor for detecting a vehicle. Then, when the exit gate front sensor 10 detects a vehicle, a signal indicating that the vehicle is detected is transmitted to the command station 1.

The exit gate area sensor 11 is installed near the exit gate 12 as a sensor for detecting an intruder. When the exit gate area sensor 11 detects an intruder, the command station 1 sends a signal indicating that the intruder is detected.
Send to.

The exit gate 12 opens and closes according to the control information transmitted from the command station 1.

The exit gate rear sensor 13 is installed near the exit gate 12 as a vehicle detection sensor. When the exit gate sensor 13 detects a vehicle, a signal indicating that the vehicle is detected is transmitted to the command station 1.

Blasters are installed in the hoppers H1 to H4n, respectively. This blaster is a device that shakes the hopper in order to prevent an arching state in which only the lower material in the hopper falls and the upper material does not fall, and according to the control information transmitted from the command station 1,
Each works.

A plurality of speakers 8a and 8b are installed in the work area. Then, according to the control information transmitted from the command station 1, voice information for informing the entry / exit of the dump truck, voice information for detecting the intruder, voice information for opening / closing the entrance gate 4 and the exit gate 12 are output.

Next, a peripheral device inspection method of the material transfer system according to the embodiment of the present invention will be described. FIG. 2 is a functional block diagram showing the command station 1 and a plurality of peripheral devices when the peripheral device is inspected.

In the following description, the same components as those shown in FIG. 1 are designated by the same reference numerals.

In FIG. 2, when inspecting the peripheral devices of the material transfer system, the inspector performing the inspection sets the setting unit 20 of the command station 1 from the normal "work mode" to perform the "inspection". Mode ". And the setting unit 2
When the setting of 0 is switched to the “inspection mode”, the control unit 22 suspends the normal control of the “working mode” performed on the plurality of peripheral devices.

Next, the control unit 22 preliminarily stores in the storage unit 2 in order to control the "inspection mode" for a plurality of peripheral devices.
The peripheral device inspection program 21b stored in No. 1 is read. In addition, this read inspection program 21
The item b includes an item 21ba for inspecting the arrival setting board, an item 21bb for inspecting a blaster / patrol light, an item 21bc for inspecting an entrance gate / entrance gate sensor, and an item 21bd for inspecting an exit gate / exit gate sensor.

Then, the control unit 22 controls each of the plurality of peripheral devices according to the inspection program 21b.

Next, control for inspection of a plurality of peripheral devices performed by the control unit 22 in the inspection mode will be described for each peripheral device.

First, the control for the inspection of the arrival setting board 2 will be described.

FIG. 3 shows the arrival setting panel 2 and the command station 1. This arrival setting panel 2 has an entrance switch 2a
And push button lamps BT1 to BT4, and further, material storage instruction lamps L1 to L that are the display section 2b.
4, a non-arrival lamp L5, an entrance permission lamp L6, and an automated work vehicle operating lamp L7.

First, the control of the entrance switch 2a of the arrival setting board 2 will be described.

In FIG. 3, the control unit 22 controls the lighting of the pressed entrance switch 2a when the inspector presses down the entrance switch 2a according to the inspection program 21b of the storage unit 21.

For example, when the inspector presses the push button lamp BT1 which is the entrance switch 2a, the arrival setting board 2
A signal indicating that the push button lamp BT1 has been pressed is transmitted from the control unit 22 to the control unit 22. Then, the control unit 22 having received this signal transmits a control signal for turning on the push button lamp BT1 to the arrival setting board 2 according to the inspection program 21b of the storage unit 21, and the arrival setting board 2 receives the push button lamp BT1. Light up. After that, when the inspector stops pressing the push button lamp BT1, a signal indicating that the pressing of the push button lamp BT1 is completed is received from the arrival setting panel 2 by the control unit 2.
2 is sent. Then, the control unit 2 that receives this signal
2 transmits a control signal for turning off the push button lamp BT1 to the stock setting board 2 according to the inspection program 21b of the storage unit 21, and the stock setting board 2 pushes the push button lamp BT1.
Turn off the light. In addition, push button lamps BT2 to BT4
The control unit 22 also performs control similar to that of the push button lamp BT1.

As described above, in the case of the inspection of the entrance switch 2a, since the control unit 22 controls the lighting of the pushed push button lamp, the inspector pushes down the push button lamps BT1 to BT4, and the lamp is turned on. It is possible to inspect whether or not it is operating normally simply by visually observing the lights.

Next, the material storage instruction lamps L1 to L4, the arrival prohibition lamp L5, which are the display portion 2b of the arrival setting panel 2,
The control on the entrance permission lamp L6 and the automatic working vehicle operating lamp L7 will be described.

In FIG. 3, the control unit 22 controls the material storage instruction lamp L1 to the material storage instruction lamp L4 to be sequentially and repeatedly turned on in accordance with the inspection program 21b of the storage unit 21. Also, control is performed to sequentially turn on the in-arrival prohibition lamp L5, the entrance permission lamp L6, and the automatic working vehicle operating lamp L7.

Therefore, the inspector can inspect whether or not the lamps are operating normally simply by visually observing the respective lamps of the display section 2b which are repeatedly turned on in order.

Next, the patrol light 7 and the blaster B1
Control of B4 will be described.

FIG. 4 shows a patrol light 7 and hoppers H1 to H4.
2 shows the blasters B1 to B4 and the command station 1 installed in each of them.

In FIG. 4, the control unit 22 controls the red lamp L10, the yellow lamp L11, and the green lamp L12 of the patrol light 7 to be sequentially turned on in accordance with the inspection program 21b of the storage unit 21. The blaster B1 is synchronized with the lighting of each light of the patrol light 7.
To control the blaster B4 to be sequentially and repeatedly operated.

Therefore, the inspector can check whether the blasters B1 to B4 are operating normally only by visually observing the lighting of the lamp of the patrol light 7.

Since the operation of the blasters B1 to B4 can be judged by the operation sound of each blaster, the inspector conducts the inspection at a place near the blasters B1 to B4 where the patrol light 7 can be seen. I'm fine.

Next, the control for the entrance gate sensor 3, entrance gate 4, entrance gate area sensor 5, entrance gate post sensor 6, and speaker 8a will be described.

FIG. 5 shows the entrance gate sensor 3, entrance gate 4, entrance gate area sensor 5, entrance gate sensor 6, command station 1, and speaker 8a. First, the control for the entrance gate sensor 3 and the speaker 8a will be described. In FIG. 5, the inspector stands in the detection area of the sensor for the inspection of the front entrance gate sensor 3 so that the front entrance gate sensor 3 detects the inspector similarly to the detection of the dump truck in the normal work mode. A signal indicating that the inspector is detected is transmitted to the control unit 22. Then, the control unit 22 having received the signal from the front entrance gate sensor 3 transmits a signal for outputting voice information to the speaker 8a according to the inspection program 21b of the storage unit 21, and controls the speaker 8a to output voice information. I do.

Therefore, the inspector can stand up in the detection area of the sensor and check the voice information output from the speaker 8a to check whether or not the front entrance gate sensor 3 is operating normally. Is also inspecting.

Since each voice information in the inspection mode is the same as each voice information in the normal mode, all the voice information is also inspected. Further, the correspondence between each sensor and each voice information in the inspection mode may be different from the correspondence in the normal mode.

Next, control of the entrance gate area sensor 5 and the speaker 8a will be described.

In FIG. 5, the inspector stands in the detection area of the sensor for the inspection of the entrance gate area sensor 5, so that the entrance gate area sensor 5 can be operated in the same manner as the intruder detection in the normal work mode. Is detected and a signal indicating that an inspector is detected is transmitted to the control unit 22. Then, the control unit 22 having received the signal from the entrance gate area sensor 5 transmits a signal for outputting voice information to the speaker 8a according to the inspection program 21b of the storage unit 21 and controls for outputting the voice information from the speaker 8a. I do.

Therefore, like the front entrance gate sensor 3, the inspector stands in the detection area of the sensor and checks the voice information output from the speaker 8a to check whether the entrance gate area sensor 5 is operating normally. You can inspect your voice and at the same time inspect your voice information. Next, control of the entrance gate 4, the entrance gate post-sensor 6, and the speaker 8a will be described.

In FIG. 5, when the setting of the setting unit 20 (not shown) is switched to the "inspection mode", first, the control unit 22 is started.
Transmits a signal for opening the gate to the entrance gate 4 according to the inspection program 21b of the storage unit 21, and the entrance gate 4 controls to open the gate. Then, the inspector stands in the detection area of the sensor for the inspection of the sensor 6 after the entrance gate, so that the sensor 6 after the entrance gate detects the inspector similarly to the detection of the entrance of the dump truck in the normal work mode, A signal indicating that the inspector is detected is sent to the control unit 22.
Sent to. Then, the control unit 22 that receives the signal from the post-entry gate sensor 6 transmits a signal for outputting voice information to the speaker 8a according to the inspection program 21b of the storage unit 21 and controls to output the voice information from the speaker 8a. I do.

Further, the command station 22 transmits a signal for closing the entrance gate 4 to the entrance gate 4 according to the inspection program 21b of the storage unit 21, closes the entrance gate 4, and outputs a signal for outputting voice information indicating an alarm. 8a, and voice information indicating an alarm is output from the speaker 8a. Then, after a predetermined time, the command station 22 transmits a signal to open the entrance gate 4 to the entrance gate 4, and the entrance gate 4
Is opened, a signal for outputting voice information indicating a melody is transmitted to the speaker 8a, and control is performed to output voice information indicating a melody from the speaker 8a.

Therefore, the inspector stands in the detection area of the sensor 6 after the entrance gate, confirms the voice information output from the speaker 8a, and visually checks the opening and closing of the entrance gate 4, thereby checking the entrance gate 4 and the sensor after the entrance gate. It is possible to check whether 6 is operating normally, and at the same time, check voice information.

Next, control for the exit gate sensor 10, exit gate area sensor 11, exit gate 12, exit gate sensor 13, and speaker 8b will be described. FIG. 6 shows the exit gate sensor 10, exit gate area sensor 11, exit gate 12, exit gate sensor 13, command station 1, and speaker 8b.

First, control for the exit gate sensor 10, the speaker 8b, the exit gate area sensor 11, and the speaker 8b will be described.

In FIG. 6, when the sensor detects an inspector standing in the detection area of the exit gate pre-sensor 10 as in the case of the series of operations of the entrance gate pre-sensor 3 in FIG.
Reference numeral 2 controls the output of audio information according to the inspection program 21b of the storage unit 21. In addition, in FIG.
When the sensor detects an inspector standing in the detection area of the exit gate area sensor 11, the control unit 22 follows the inspection program 21b in the storage unit 21 and outputs a voice, as in the case of the series of operations of the entrance gate sensor 3 in FIG. Control to output information.

In this way, the inspector stands in the detection area of the exit gate sensor 10 and the exit gate area sensor 11 and confirms the voice information output from the speaker 8b. It can be inspected whether the area sensor 11 is operating normally, and at the same time, the voice information can be inspected.

Next, the control of the exit gate 12, the exit gate sensor 13, and the speaker 8b will be described.

In FIG. 6, similarly to the series of operations of the entrance gate 4 and the post-entry gate sensor 6 of FIG. 5, the exit gate 12 is controlled according to the inspection program 21b of the storage unit 21. Next, when the sensor detects an inspector standing in the detection area of the sensor 13 after the exit gate, the control unit 22
Controls to output audio information to the speaker 8a. Furthermore, the control unit 22 performs control to close the exit gate 12 and control to output audio information indicating an alarm to the speaker 8b, and after a predetermined time, the control unit 22
Controls to open the exit gate 12 and speaker 8
The control for causing b to output the voice information indicating the melody is performed.

Therefore, the inspector is the sensor 13 after the exit gate.
By checking the voice information output from the speaker 8b and visually checking the opening / closing of the exit gate 12, it is possible to check whether the exit gate 12 and the sensor 13 after the exit gate are operating normally. At the same time, voice information can be inspected.

The entrance gate 4 and the exit gate 12
When the setting of the setting unit 20 is switched to the "inspection mode", the gate is opened by the control of the control unit 22, and the inspector after the entrance gate sensor 6 and the exit after gate sensor 13
Even at the time of the inspection, the control unit 22 controls the gate to be closed temporarily, but the gate is opened again, so that the material can be received by the dump truck even during the inspection.

[0066]

As described above, according to the present invention, the setting of the setting unit 20 is changed from the normal "working mode" to "inspection mode".
By switching to, the control unit 22 suspends the control of the normal work mode for the plurality of peripheral devices and shifts to the control of the inspection mode. Then, the control unit 22 performs a predetermined output control for the input when the inspector inputs the peripheral device, and performs a predetermined output control when the input is not required.

Therefore, when inspecting a plurality of peripheral devices of the material transfer system, the inspector sets the inspection mode in the command station 1 and then outputs the output from the peripheral devices in the vicinity of the plurality of peripheral devices. Multiple peripheral devices can be inspected simply by checking the results.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram of a material transfer system.

FIG. 2 is a functional block diagram of an inspection of peripheral devices of a material transfer system.

FIG. 3 is a diagram for explaining the inspection of the arrival setting board 2.

FIG. 4 is a diagram for explaining inspection of blasters B1 to B4 and a patrol light 7.

FIG. 5 is a diagram illustrating the inspection of the entrance gate sensor 3, entrance gate 4, entrance gate area sensor 5, entrance gate rear sensor 6, and speaker 8a.

FIG. 6 is a sensor 10 before exit gate, an area sensor 11 at exit gate 11, an exit gate 12, a sensor 13 after exit gate,
The figure explaining inspection of speaker 8b.

[Explanation of symbols]

1 Command station 2 Arrival setting panel 2a Entrance switch 2b Display section 3 Entrance gate sensor 4 Entrance gate 5 Entrance gate area sensor 6 Entrance gate rear sensor 7a, 7b Patlight 8a, 8b Speaker 10 Exit gate sensor 11 Exit gate area sensor 12 Exit gate 13 Post-exit gate sensor Z1 to Z4 Material storage H1 to H4 Hopper 14 Self-propelled work vehicle

Claims (1)

[Claims] 1. A command station controls a plurality of peripheral devices to control entrance and exit of a predetermined work area and transfer of materials, mix work, etc. of the plurality of peripheral devices in a material transfer system. In a peripheral device inspection method of a material transfer system for inspecting an operation state, the command station sets a setting to switch from a normal work mode to an inspection mode for inspecting operation states of the plurality of peripheral devices; Storage means for storing an inspection control program for the plurality of peripheral devices in the mode, and when the inspection mode is set by the setting means, the inspection result is based on the inspection control program stored in the storage means A peripheral device inspection method for a material transfer system, comprising: a control unit that performs predetermined output control for a plurality of peripheral devices.