JP2018191142A - Construction vehicle guiding system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a construction vehicle guiding system that is capable of mitigating a noise problem to surroundings and requires no operator for performing risky guiding work, to enable reduction in a construction cost.SOLUTION: A construction vehicle guiding system 100 guides a construction vehicle by pairing with a construction apparatus and giving an instruction from the construction apparatus to a driver of the construction vehicle for executing construction, and includes: an instruction input unit 120 provided in a cockpit of the construction apparatus; a display unit 160 for notifying the driver of the construction vehicle by using display; a FM wave transmission unit 170 for transmitting a FM wave to a FM wave reception unit disposed on the construction vehicle side; a storage unit 150 for storing display data to be displayed on the display unit 160 and voice data to be transmitted by the FM wave transmission unit 170 in association with each other; and a control unit 110 that, in response to input by the instruction input unit 120, selects display data and voice data, displays the selected display data, and transmits the selected voice data.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a construction vehicle that forms a pair with a construction device such as an asphalt finisher and issues an instruction from the construction device to a construction vehicle driver such as a dump truck to perform the construction and guide the construction vehicle. The present invention relates to a vehicle guidance system.

  Conventionally, in road pavement construction, asphalt composite material is placed on the dump truck bed and transported to the construction site, and the dump truck is connected to the asphalt finisher to unload the asphalt composite material, and the asphalt finisher is laid with the asphalt finisher. Roll evenly with a roller. At this time, the dump truck was not driven, and asphalt finishers were sequentially applied to the road surface while pushing the dump truck forward with an asphalt finisher.

For example, in Cited Document 1 (Japanese Patent Laid-Open No. 2010-202160), in relation to FIG. 7, the rear bumper 8 is swiveled and stored, and one end of the asphalt finisher 7 is sufficiently drawn below the loading platform frame 5 in road pavement work. In addition, there is disclosed a technique for satisfactorily supplying asphalt composite material that has been transported with the loading platform inclined.
JP 2010-202160 A

  In the road pavement described above, workers used a whistle or a hand flag to guide a dump truck with asphalt mixture.

  However, the worker has to guide the dump truck in close proximity to the asphalt finisher and the like, and there is a problem that the guidance work is dangerous. Furthermore, there is a problem in that it is necessary to arrange a worker for guiding the dump truck, and the construction cost increases.

  In addition, when a whistle is used for guiding a dump truck, there is a problem that noise is generated in the surrounding environment.

  In order to solve the above-described problems, the construction vehicle guidance system according to the present invention provides an instruction from the construction equipment to a construction vehicle driver who performs construction by pairing with construction equipment. A construction vehicle guidance system for guiding the construction vehicle, an instruction input unit provided in a cockpit of the construction equipment, and a display unit that performs display notification to a driver of the construction vehicle; Corresponds to the FM wave transmitting unit that transmits FM waves to the FM wave receiving unit arranged on the construction vehicle side, display data displayed on the display unit, and audio data transmitted on the FM wave transmitting unit In addition to selecting the display data stored in the storage unit and the voice data associated with the display data in accordance with the input from the storage unit to be stored and the instruction input unit, the selected display data The display Displayed, and having a control unit for transmitting the audio data selected by the FM wave transmitting portion.

  In the construction vehicle guidance system according to the present invention, the FM wave receiver is an FM radio mounted on the construction vehicle.

  In the construction vehicle guidance system according to the present invention, the display by the display unit includes an animation.

  Moreover, the construction vehicle guidance system according to the present invention is characterized in that the display by the display unit includes mirror characters that are reversed left and right.

  The construction vehicle guidance system according to the present invention is characterized in that display data stored in the storage unit and audio data associated with the display data can be rewritten.

  The construction vehicle guidance system according to the present invention selects the display data stored in the storage unit and the audio data associated with the display data in accordance with the input from the instruction input unit, and is selected. The display data is displayed on the display unit, and the selected voice data is transmitted by the FM wave transmission unit. According to the construction vehicle guidance system of the present invention, the driver of the construction vehicle can In addition to being able to receive guidance instructions both by display and voice, in particular, since voice instructions are received by an in-vehicle FM radio in a construction vehicle, noise problems with the surrounding environment can be reduced and there is further danger. Workers who perform the guidance work are also unnecessary, and the construction cost can be suppressed.

1 is a diagram showing an asphalt finisher 10 to which a construction vehicle guidance system 100 according to an embodiment of the present invention is applied. It is a figure which shows the instruction | indication input part 120 of the construction vehicle guidance system 100 which concerns on embodiment of this invention. 1 is a block diagram of a construction vehicle guidance system 100 according to an embodiment of the present invention. It is a figure which shows the structural example of the data memorize | stored in the memory | storage part 150 of the construction vehicle guidance system 100 which concerns on embodiment of this invention. It is a figure which shows the usage example of the construction vehicle guidance system 100 which concerns on embodiment of this invention. It is a figure which shows the usage example of the construction vehicle guidance system 100 which concerns on embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a view showing an asphalt finisher 10 to which a construction vehicle guidance system 100 according to an embodiment of the present invention is applied. FIG. 2 is a diagram showing the instruction input unit 120 of the construction vehicle guidance system 100 according to the embodiment of the present invention. FIG. 3 is a block diagram of the construction vehicle guidance system 100 according to the embodiment of the present invention.

  The construction vehicle guidance system 100 according to the present invention issues an instruction from the asphalt finisher 10 side to a driver of a construction vehicle such as a dump truck 30 that performs construction in a pair with construction equipment such as the asphalt finisher 10. This is used to guide the dump truck 30. Hereinafter, in this embodiment, the asphalt finisher 10 will be described as an example of construction equipment, and the dump truck 30 will be described as an example of a construction vehicle. However, the scope of application of the construction vehicle guidance system 100 according to the present invention is as follows. It is not limited to this example.

  The asphalt finisher 10 includes a hopper portion 13 for loading the asphalt composite material received from the dump truck 30, a traveling portion 15 having a traveling device, and a screed portion 20 for spreading the asphalt composite material. The traveling unit 15 is provided with a pilot seat 16 for a driver of the asphalt finisher 10.

  In the vicinity of the cockpit 16, a display unit 160 such as an electric light board for displaying an instruction for the driver of the dump truck 30 is provided. Since such a display unit 160 displays an instruction for the driver of the dump truck 30 that is assumed to be located in front of the asphalt finisher 10, the display can be seen from the front side of the asphalt finisher 10. It is attached near the cockpit 16.

  In the example of FIG. 1, the text “radio FM 76.8” is displayed on the display unit 160, and the frequency of the dump truck in-vehicle FM radio 40 is adjusted to 76.8 MHz for the driver of the dump truck 30. Is shown.

  In the example of FIG. 1, the display by the display unit 160 is a display of only text, but the display by the display unit 160 may include a moving image such as an animation. It is also assumed that the driver of the dump truck 30 confirms the display on the display unit 160 with a rearview mirror, a side mirror, etc. of the dump truck 30, so that the display by the display unit 160 is a mirror with the left and right reversed. Characters may be used.

  In this embodiment, the dump truck 30 is provided with a dump truck on-board FM radio 40, and it is assumed that the driver of the dump truck 30 receives a voice instruction from the dump truck on-board FM radio 40. However, the FM radio is not necessarily a vehicle-mounted one, and an FM radio placed in the driver's seat of the dump truck 30 can be used as appropriate.

  The pilot seat 16 is provided with an instruction input unit 120 that is used by the operator of the asphalt finisher 10 to input instructions to the driver of the dump truck 30. FIG. 2 shows an example of hardware of such an instruction input unit 120.

  In this embodiment, the instruction input unit 120 is connected to the control unit 110 via a wire and communicates with the control unit 110. However, the instruction input unit 120 and the control unit 110 are connected by wireless communication. It can also be configured to connect. When such a wireless communication method is employed, for example, an operation mode in which an instruction for the driver of the dump truck 30 is input from outside the cockpit 16 of the asphalt finisher 10 can be taken.

  A plurality of buttons attached to the push-down switch and a dial attached to the rotary switch are provided on the casing of the instruction input unit 120 so as to be exposed from the casing. The operator of the asphalt finisher 10 inputs instructions by operating these buttons and dials.

  In the construction vehicle guidance system 100 according to the present invention, the voice instruction to the driver of the dump truck 30 is performed by the voice from the FM radio. The reason why the voice instruction by the FM radio is adopted in the present invention is that the FM radio is usually mounted on the dump truck 30, and it is not necessary to make additional capital investment or the like, and it is not costly.

  Due to the frequency used by the local FM broadcasting station where the construction site is located, the frequency that can be used for voice instructions by the FM radio in the present invention differs depending on the construction site where the construction is performed. Therefore, in the construction vehicle guidance system 100 according to the present invention, the frequency for performing the voice instruction can be selected from a plurality.

  The frequency selection dial 121 is a dial that selects which frequency to use from such a plurality of frequencies. The frequency instruction button 122 is pressed when instructing the driver of the dump truck 30 about the frequency selected by the frequency selection dial 121.

  The start instruction button 123 is pressed when instructing the driver of the dump truck 30 to start construction. The end instruction button 124 is pressed when instructing the driver of the dump truck 30 to end the construction.

  The forward instruction button 125 is pressed when instructing the driver of the dump truck 30 to advance. The travel stop instruction button 126 is pressed when instructing the driver of the dump truck 30 to stop travel. The reverse instruction button 127 is pressed when instructing the driver of the dump truck 30 to reverse.

  The dump up instruction button 131 is pressed when instructing the driver of the dump truck 30 to dump up. The dump operation stop instruction button 132 is pressed when instructing the driver of the dump truck 30 to stop the dump operation. The dump down instruction button 133 is pressed when instructing the driver of the dump truck 30 to dump down.

  The reset button 135 is pressed when resetting the construction vehicle guidance system 100 itself.

  A predetermined code is assigned to each button and dial operation of the instruction input unit 120, and a code corresponding to an input from the instruction input unit 120 is transmitted to the control unit 110 shown in the block diagram of FIG. Is done. The control unit 110 is a general-purpose information processing apparatus including a CPU (Central Processing Unit), a ROM (Read Only Memory) that holds a program that operates on the CPU, and a RAM (Random Access Memory) that is a work area of the CPU. .

  In the construction vehicle guidance system 100 according to the present invention, the control unit 110 as described above receives the input code from the instruction input unit 120 and refers to the storage unit 150 according to the received input code, and displays the display unit. The display command and the transmission command are transmitted to 160 and the FM wave transmission unit 170.

  Note that the FM wave transmission unit 170 outputs a weak radio signal that does not require a license.

  The storage unit 150 includes a rewritable and nonvolatile memory. The data stored in the storage unit 150 can be referred to by the control unit 110. The communication unit 180 is a communication unit compatible with, for example, WWAN (Wireless Wide Area Network).

  The control unit 110 in the construction vehicle guidance system 100 according to the present invention can rewrite the storage unit 150 based on the information received by the communication unit 180. Thereby, the construction vehicle guidance system 100 according to the present invention can be rewritten according to the needs of each site.

  The construction vehicle guidance system 100 according to the present invention adopting the block configuration shown in FIG. 3 is operated by a power source (not shown), and includes a plurality of solar power sources, heavy equipment power sources 12V, 24V, commercial power sources 100V, and the like. Configured to accommodate power.

  Next, a specific data structure of data stored in the storage unit 150 will be described. FIG. 4 is a diagram showing an example of the structure of data stored in the storage unit 150 of the construction vehicle guidance system 100 according to the embodiment of the present invention.

  As shown in FIG. 4, the storage unit 150 associates an input code based on an operation of the instruction input unit 120, display data displayed on the display unit 160, and audio data transmitted by the FM wave transmission unit 170. Is remembered. For example, when the input code “0001” is input from the instruction input unit 120 to the control unit 110, the control unit 110 displays “Radio FM 76.8” as display data on the display unit 160. And instruct the FM wave transmitter 170 to transmit “Please set the frequency of the FM radio to 76.8 MHz” as audio data.

  The FM wave receiving unit 50 in the dump truck in-vehicle FM radio 40 receives the voice data, so that a voice instruction is given to the driver of the dump truck 30.

Hereinafter, the relationship between the operation by the instruction input unit 120 and the input code will be described.
Pressing the frequency selection dial 121 + frequency instruction button 122 → 0001, 0002, 0003...
Pressing start instruction button 123 → 0020
Long press of the advance button 125 → 0021
Press the advance instruction button 125 for a short time → 0022
Travel stop instruction button 126 → 0023
Press the reverse instruction button 127 for a short time → 0024
Long press of reverse instruction button 127 → 0025
Long press of dump up instruction button 131 → 0026
Dump-up instruction button 1315 is pressed for a short time → 0027
Dump operation stop instruction button 132 → 0028
Dump down instruction button 133 is pressed for a short time → 0029
Long press of dump down instruction button 133 → 0030
Pressing the end instruction button 124 → 0031
Now, an actual utilization method of the construction vehicle guidance system 100 according to the present invention configured as described above will be described. 5 and 6 are diagrams showing examples of use of the construction vehicle guidance system 100 according to the embodiment of the present invention.

  FIG. 5 shows a case where the reverse instruction button 127 in the instruction input unit 120 is pressed for a long time and the input code 0025 is transmitted to the control unit 110. In this case, the text data of “back” stored in the storage unit 150 and image data of a large arrow reflecting the reverse are displayed on the display unit 160. Also, the voice data “please back” is transmitted from the FM wave transmitting unit 170. The FM wave receiving unit 50 in the dump truck in-vehicle FM radio 40 receives the voice data, and gives a voice instruction “Please back” to the driver of the dump truck 30.

  FIG. 6 shows a case where the dump code button 131 in the instruction input unit 120 is pressed for a short time and the input code 0027 is transmitted to the control unit 110. In this case, the text data of “Agete” stored in the storage unit 150 and image data of a small arrow reflecting a slight dump-up are displayed on the display unit 160. Also, the voice data “Please dump up a little” is transmitted from the FM wave transmitting unit 170. The FM wave receiver 50 in the dump truck on-board FM radio 40 receives the voice data, and gives a voice instruction “Please dump up a little” to the driver of the dump truck 30.

  As described above, the construction vehicle guidance system 100 of the present invention selects the display data stored in the storage unit 150 and the voice data associated with the display data in accordance with the input from the instruction input unit 120. In addition, the selected display data is displayed on the display unit 160, and the selected audio data is transmitted by the FM wave transmission unit 170. According to the construction vehicle guidance system 100 of the present invention, The driver of the construction vehicle (dump truck 30) can receive a guidance instruction both by display and voice. In particular, the voice instruction is used for the on-board FM radio (dump truck on-board FM radio 40) in the construction vehicle. As a result, noise problems for the surrounding environment can be reduced, and there is no need for workers to perform dangerous guidance work, thus reducing construction costs. It becomes possible.

DESCRIPTION OF SYMBOLS 10 ... Asphalt finisher 13 ... Hopper part 15 ... Traveling part 16 ... Pilot seat 20 ... Screed part 30 ... Dump truck 35 ... Loading platform part 40 ... Dump truck in-vehicle FM Radio 50 ... FM wave receiving unit 100 ... Construction vehicle guidance system 110 ... Control unit 120 ... Instruction input unit 121 ... Frequency selection dial 122 ... Frequency instruction button 123 ... Start Instruction button 124 ... End instruction button 125 ... Forward instruction button 126 ... Travel stop instruction button 127 ... Reverse movement instruction button 131 ... Dump up instruction button 132 ... Dump operation stop instruction button 133 ..Dump down instruction button 135 ... Reset button 150 ... Storage unit 160 ... Display unit 170 ... FM wave transmission unit 80 ... communication unit (WWAN communication unit)

Claims (5)

A construction vehicle guidance system that pairs with construction equipment and issues instructions from the construction equipment to a construction vehicle driver who performs construction, and guides the construction vehicle.
An instruction input unit provided in a cockpit of the construction equipment;
A display unit for performing display notification to a driver of the construction vehicle;
An FM wave transmitter for transmitting an FM wave to an FM wave receiver disposed on the construction vehicle side;
A storage unit for storing display data displayed on the display unit and audio data transmitted by the FM wave transmission unit in association with each other;
In response to an input by the instruction input unit, the display data stored in the storage unit and the audio data associated with the display data are selected, and the selected display data is displayed on the display unit. A construction vehicle guidance system, comprising: a control unit configured to transmit the selected voice data by the FM wave transmission unit. The construction vehicle guidance system according to claim 1, wherein the FM wave receiving unit is an FM radio mounted on the construction vehicle. The construction vehicle guidance system according to claim 1, wherein an animation is included in the display by the display unit. The construction vehicle guidance system according to any one of claims 1 to 3, wherein the display by the display unit includes mirror characters that are reversed left and right. The construction vehicle according to any one of claims 1 to 4, wherein display data stored in the storage unit and voice data associated with the display data are rewritable. Guidance system.

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