JP2019088229A - Work display device, work machine, and work management system - Google Patents

Abstract

To enable immediate understanding of a difference between actual and theoretical residual quantities of material stored in a work machine.SOLUTION: A work display device comprises: an actual residual quantity acquisition unit to acquire an actual residual quantity of material stored in a work machine; a theoretical residual quantity acquisition unit to acquire a theoretical residual quantity of material for use in work with the work machine; a residual quantity difference calculation unit to calculate a residual quantity difference between the actual residual quantity acquired by the actual residual quantity acquisition unit and the theoretical residual quantity acquired by the theoretical residual quantity acquisition unit; and a display unit to display a position of the work machine in a field indicating a workplace, and display at least a warning when the residual quantity difference calculated by the residual quantity difference calculation unit is equal to or greater than a threshold.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a work display device, a work machine, and a work management system.

  DESCRIPTION OF RELATED ART Conventionally, patent document 1 is known as a work assistance system which displays the residual amount of the amount of spraying agents. In the work support system of Patent Document 1, the remaining amount of the spreading agent is determined based on the traveling state of the traveling vehicle body, the input amount input to the dispersing device, and the dispersed amount per unit area, and the determined remaining amount is displayed. .

JP, 2017-127206, A

In the work support system of Patent Document 1, it is possible to grasp the remaining amount of the spreading agent remaining in the container of the spraying device by looking at the display unit. Although this support system is useful in grasping the remaining amount of the spreading agent, it is difficult to grasp at which position of the work machine the remaining amount of the spreading agent of the material is low.
Therefore, in view of the above problems, the present invention provides a work display device, a work machine, and a work management system that can easily grasp the relationship between the actual remaining amount of material stored in the work machine and the work machine. To aim.

The technical means of the present invention for solving this technical problem is characterized by the following points.
The work display device is a work display device capable of displaying the position of the working machine in a field indicating a work place, and an actual remaining amount acquiring unit for acquiring an actual remaining amount of the material stored in the work machine; And a display unit configured to change a display related to the work machine based on the actual remaining amount acquired by the remaining amount acquisition unit.

The display unit displays the position of the work machine when the actual remaining amount acquired by the actual remaining amount acquisition unit is less than a threshold in the field as a material reduction position.
The display unit displays the position of the work machine in the field when the actual remaining amount acquired by the actual remaining amount acquisition unit is equal to or greater than a threshold, and the actual amount is less than the threshold. The position of the work machine is not displayed in the field.

The work machine is provided with a work display device.
The work management system includes a position detection device for detecting the position of the work machine, an actual remaining charge detection device for detecting the actual remaining amount of the material stored in the work machine, and the work machine detected by the position detection device. And a work display device for displaying the position of the work machine in the field and changing the display regarding the work machine based on the actual remaining amount detected by the actual remaining amount detection device.

The work display device displays the position of the work machine when the actual remaining amount detected by the actual remaining amount detection device is less than a threshold as the material reduction position in the field.
The work display device displays the position of the work machine in the field when the actual remaining amount detected by the actual remaining amount detection device is equal to or greater than a threshold, and the actual remaining amount is less than the threshold. The position of the work implement is not displayed in the field.

An actual remaining amount acquisition unit for acquiring an actual remaining amount detected by the actual remaining amount detection device and a position of a work machine detected by the position detection device, an actual remaining amount acquired by the actual remaining amount acquisition portion, and the work machine A storage unit for storing the position of
The storage unit stores, as a material reduction position, the position of the work machine when the actual remaining amount is less than a threshold.

  The work management system is provided with an external terminal for displaying the position of the work machine when the actual remaining amount is less than a threshold separately from the work display device.

  According to the present invention, the relationship between the actual remaining amount (actual remaining amount) of the material stored in the work machine and the work machine can be grasped.

It is a figure which shows the block diagram of the working machine in 1st Embodiment. It is a figure which shows an example of the guidance screen M1. It is a figure which shows the flow of control in a display control part. It is a figure which shows an example of the setting screen M2. It is a figure which shows an example of the setting screen M3. It is a figure which shows an example of the setting screen M4. It is a figure which shows an example of the setting screen M5. It is a figure which shows the relationship between offset amount and a model. It is a block diagram of the working machine in a 2nd embodiment. It is a figure which shows an example of the setting screen M6. It is an explanatory view explaining run distance Mi. It is a figure which shows an example of the guidance screen M7. It is another figure which shows the flow of control in a display control part. It is a figure which shows the operation | work management system in a modification. It is a figure which shows an example of a work plan. It is a figure which shows the work management system in 3rd Embodiment. It is a figure which shows an example of the operation | work screen M8. It is a general view which connected a medicine spraying device to a tractor. It is a general view of a rice transplanter.

Hereinafter, embodiments of the present invention will be described based on the drawings.
FIG. 16 shows a work machine provided with a work display device. Working machines are agricultural machines such as tractors, combines, rice transplanters, transplanting machines, and construction machines. A tractor provided with a work device, a rice transplanter provided with a work device, and the like are also included in the work machine.
First, the work machine will be described by taking the tractor 1 to which the work device 2 is attached as an example.

  As shown in FIG. 16, the tractor 1 includes a vehicle body 3, a prime mover 4, and a transmission 5. The vehicle body 3 is configured by combining a plurality of frames, and supports a wheel-type or crawler-type traveling device. The vehicle body 3 can travel by a traveling device. The prime mover 4 is an internal combustion engine such as a diesel engine or a gasoline engine, an electric motor or the like. The prime mover 4 may be a hybrid type having both an internal combustion engine and an electric motor. The travel device and the work device 2 can be operated by driving the motor 4.

The transmission 5 can shift the traveling device, and can switch between forward and reverse of the vehicle body 3. Switching between forward and reverse travel of the vehicle body 3 can be performed by a lever (referred to as a shuttle lever) provided around the driver's seat 6.
Further, the vehicle body 3 is provided with a cabin 7 surrounding the driver's seat 6. Further, at the rear of the vehicle body 3, a connecting portion 8 constituted by a three-point link mechanism or the like is provided. The working device 2 is attachable to and detachable from the connecting portion 8. The work device 2 can be pulled by the vehicle body 3 by connecting the work device 2 to the connecting portion 8. The work device 2 is a tilling device for cultivating, a fertilizer spreading device for spraying fertilizer, a drug spraying device for spraying medicine, a sowing device for sowing seeds, a harvesting device for harvesting, and the like. In this embodiment, the work device 2 is a drug spray device such as a boom sprayer. The drug spraying device has a tank 2a for storing a drug, a plurality of nozzles 2b for spraying the drug in the tank 2a, and a frame 2c for holding the tank 2a. The plurality of nozzles 2b are mounted at predetermined intervals on support members projecting leftward or rightward from the rear of the frame 2c, respectively. The frame 2c is formed in a frame shape by combining a longitudinal member and a transverse member. Further, the medicine dispersing device has a pump for supplying the medicine in the tank 2a to the nozzle 2c, and the medicine such as the agrochemical can be dispersed by driving the pump or the like.

  As shown in FIG. 1, a plurality of devices 10 are mounted on the tractor 1. The device 10 is a device mounted on the tractor 1 and is, for example, a detection device 10a, a switch device 10b, a display device 10c, and a control device 10d. The detection device 10a is a device that detects the operating state of the tractor 1, and includes an accelerator pedal sensor, shift lever detection sensor, crank position sensor, fuel sensor, water temperature sensor, engine rotation sensor, steering angle sensor, oil temperature sensor, axle It is a rotation sensor or the like. The switch device 10 b is a device that performs switching, and is an ignition switch, a parking brake switch, a PTO switch, or the like. The display device 10c is a device that displays various matters related to the tractor 1, and is a liquid crystal display device configured of liquid crystal or the like. The control device 10d is a device that controls a tractor, and is a CPU or the like.

  The plurality of devices 10 are connected by an in-vehicle network N1 such as CAN, LIN, or FlexRay. In the in-vehicle network N1, an operation unit (for example, an engine, a solenoid valve, a pump, etc.) operating the tractor 2 is operated by the detection signal detected by the detection device 10a, the switch signal indicating switching of the switch device, and control of the control device. A command signal (control signal) or the like for causing the control signal to be output is output.

  The control device 10 d is a device that controls the tractor 1. For example, detection values detected by the detection device 10a [for example, the amount of operation of the accelerator pedal, shift lever position (gear position) at the time of operation of the shift lever, motor rotation speed, gear position, oil temperature, crank position, cam position, etc.] Is input to the control device 10d. The control device 10d performs motor control such as setting the number of rotations of the motor 4 to a predetermined number of rotations based on the operation amount of the accelerator pedal, and shift control such as changing the gear of the transmission 4 based on the shift lever position. Do. The control device 10 performs elevation control for raising and lowering the connection portion 8 according to the operation of the elevation lever and the like.

  The detection device 10a includes a position detection device 10a1. The position detection device 10a1 is a device capable of detecting a position. The position detection device 10a1 detects a position (latitude, longitude) using a satellite positioning system (Global Positioning System, Galileo, GLONASS, etc.). That is, the position detection device 10a1 receives the satellite signal (radio wave) transmitted from the positioning satellite, and calculates the position based on the received satellite signal. The position detection device 10 a 1 is attached to the vehicle body 3 or the work device 2. The position detection device 10a1 may be any device that calculates the position using a satellite positioning system, and the method of calculating the position is not limited.

  The display device 10c includes a work display device 10c1 capable of displaying position information on the position of the work machine. The work display device 10c1 is a device other than a display device such as a meter panel that displays the engine rotational speed and the like, and is provided in the vicinity of the driver's seat 6. The work display device 10c1 displays, for example, the position (latitude, longitude) detected by the position detection device 10a1 as position information, or the position obtained by correcting the position (latitude, longitude) detected by the position detection device 10a1. Display as location information.

  The work display device 10c1 includes a display unit 31, a display control unit 32, and a storage unit 33. The display unit 31 is configured by a liquid crystal panel or the like, and displays various screens. The display unit 31 can display at least a field indicating a work place on a predetermined screen. The display control unit 32 includes, for example, electricity, an electronic component, a program and the like provided in the work display device 10c1, and controls the display unit 31. The storage unit 33 is configured of a non-volatile memory or the like, and stores various data (information).

FIG. 2 shows an example of the guidance screen M1 displayed on the display unit 31. As shown in FIG.
In the guidance screen M1, a field 40 such as a field is shown. That is, in the guidance screen M1, a plurality of first lines L1 extending in the vertical direction and arranged at predetermined intervals in the width direction and a plurality of second lines L2 extending in the lateral direction and arranged at predetermined intervals in the vertical direction The range of the field 40 is set by the plurality of first lines L1 and the plurality of second lines L2. In other words, mesh-like fields 40 are shown on the guidance screen M1. The field 40 is assigned a position (latitude, longitude).

A plurality of icon parts 41 are shown on the guidance screen M1. The plurality of icon portions 41 include a first icon portion 41a, a second icon portion 41b, a third icon portion 41c, and a fourth icon portion 41d.
The first icon portion 41a and the second icon portion 41b are icons for instructing creation of points. When the first icon portion 41 a is selected, the first point graphic A indicating the first point is displayed in the field 40. When the second icon portion 41 b is selected, a second point graphic B indicating a second point is displayed in the field 40.

The third icon portion 41c is an icon for instructing creation of a linear first line L1 passing through a plurality of points. For example, when the third icon portion 41 c is selected in a state in which the first point graphic A and the second point graphic B are shown, a linear first line L1 passing through the first point and the second point is created. Be done.
The fourth icon portion 41d is an icon for instructing creation of a curved first line L1 passing through a plurality of points. For example, when the fourth icon portion 41 d is selected in a state in which the first point graphic A and the second point graphic B are shown, the first point graphic A passes through the first point and the second point, and from the first point graphic A A curved first line L1 passing through an intermediate position up to the second point figure B is created.

  The machine display unit 42 is displayed on the field 40 of the guidance screen M1. The machine display unit 42 is a graphic or the like indicating a work machine. A drawing start point P1 is set at a position or periphery overlapping the machine display unit 42 on the field 40. The machine display unit 42 includes a figure D1 indicating the tractor 1 (vehicle body 3) and a figure D2 indicating the work device 2. In this embodiment, although the figure D1 is a triangle and the figure D2 is a square, the shapes of the figures D1 and D2 are not limited. Further, the display control unit 32 sets the depiction start point P1 on the figure D2 indicating the work device 2, and displays, for example, the figure D3 indicating that the depiction start point P1 is superimposed on the figure D2.

Further, in the field 40, the locus W1 of the position of the tractor 1 (working device 2), that is, at least the position where the tractor 1 (working device 2) has traveled is shown. In other words, when the tractor 1 (working device 2) moves, the field 40 scrolls as it travels, and when scrolling, the predetermined range is colored in a color different from that of the other portion based on the depiction start point P1. In the field 40, the colored part is the locus W1,
The display control unit 32 can control at least the display (description) of the guidance screen M1. For example, as described above, the display device 32 displays the first line L1 and the second line L2, scrolls the field 40, displays the icon section 41, sets the depiction start point P1, displays the locus W1 of the position, etc. Control.

FIG. 3 is a diagram showing the flow of control in the display control unit 32. As shown in FIG. Control of the display control unit 32 will be described based on FIG. 3.
When the setting information is set (S1: setting process), the display control unit 32 determines the separation distance of the first line L1 on the guidance screen M1 based on the setting information (S2: distance setting process)
The setting of the setting information (S1: setting process) is performed, for example, on the setting screen M2 displayed on the display unit 31, as shown in FIG. The setting screen M2 can be displayed on the display unit 31 by an operator or the like operating the work display device 10c1. The setting screen M2 displays a width input unit 40 for inputting a work width and a wrap input unit 41 for inputting a wrap width. The width input unit 40 inputs a work width to be performed by the work machine. The working width is, for example, the width of the working device 2 or the width of the tractor 1 or the like. The wrap input unit 41 inputs a wrap width in which the work range on one side and the work range on the other side overlap in the width direction when the work machine performs the work. For example, if the wrap width is 0 m, the work range on one side and the work range on the other side do not overlap in the width direction, and if the wrap width is 0.5 m, the work range on one side and The working range on the other side overlaps each other by 0.5 m in the width direction.

  When the work width and the overlap width are input as setting information, that is, when the setting process S1 is completed, the display control unit 32 shifts to the distance setting process S2, and based on the work width and the overlap width. The distance between adjacent first lines L1 is determined. Specifically, the display control unit 32 subtracts the overlap width from the work width to determine the separation distance between the adjacent first lines L1.

  Further, when the first icon part 41a and the second icon part 41b are selected (S3, Yes), the display control part 32 displays the figures A and B of the first point and the second point (S4). When the first icon portion 41a and the second icon portion 41b are selected, the position (set position) detected by the position detection device 10a1 is stored in the storage unit 33 of the work display device 10c1. In the field 40, positions corresponding to the first point and the second point are set as set positions. That is, a position (latitude, longitude) based on the set position is allocated on the field 40.

  In addition, when the third icon portion 41c is selected (S5, Yes), the display control unit 32 draws a plurality of first lines L1 on a straight line passing through the first point and the second point in the field 40 (S6) ). On the other hand, when the fourth icon portion 41d is selected (S7, Yes), the display control unit 32 draws a plurality of curved first lines L1 passing through the first point and the second point in the field 40 (S8) ). Note that, when the plurality of first lines L1 are drawn in the width direction, the display control unit 32 sets the distance between adjacent first lines L1 to the separation distance determined in the distance setting process S2.

Further, the display control unit 32 displays the machine display unit 42 on the field 40 (S9), and sets the drawing start point P1 at a position overlapping with the machine display unit 42 or in the periphery (S10).
Specifically, the setting of the depiction start point P1 is performed based on the information (work machine information) on the work machine. When the work information is changed, the depiction start point P1 is changed.
The setting and changing of the depiction start point in the display control unit 32 will be described in detail.

As shown in FIG. 5A, the display control unit 32 sets the drawing start point P1 based on the mounting position (X1, Y1) of the position detection device 10a1 which is work machine information and the predetermined position (X2, Y2) of the work device 2. Set
As shown in FIG. 1, the display control unit 32 has a difference setting unit 34. The difference setting unit 34 is configured by electricity, electronic components, a program, and the like provided in the work display device 10c1. The difference setting unit 34 sets a difference between the attachment position (X1, Y1) and the predetermined position (X2, Y2).

  For example, when a worker or the like performs a predetermined operation on the work display device 10c1, as illustrated in FIG. 5A, the difference setting unit 34 displays the setting screen M3. In the setting screen M3, a figure D1 showing the tractor 1 (vehicle body 3), a figure D2 showing the working device 2, a figure D4 showing the mounting position of the position detection device 10a1, and a figure D5 showing the predetermined position of the working device 2 are shown. indicate. In the setting screen M3, the difference setting unit 34 shows the figure D1 to the figure D5 in two dimensions (planes).

  The difference setting unit 34 inputs the difference (ΔX, ΔY) between the mounting position (X1, Y1) of the position detection device 10a1 with respect to the work machine and the predetermined position (X2, Y2) of the work device 2 on the setting screen M3. The distance input unit 43 is displayed. The predetermined position (X2, Y2) of the working device 2 is a position which can be arbitrarily set by the operator on the setting screen M3, and the predetermined position (X2, Y2) of the working device 2 in FIG. The example which set the rear end part of the working device 2 in the width direction center part is shown.

  When the input of the difference (ΔX, ΔY) to the setting screen M3 is completed, the display control unit 32 shifts the mounting position (X1, Y1) by ΔX in the X-axis direction and ΔY in the Y-axis direction. Set Y2) to the depiction start point P1. By changing the value input to the distance input unit 43, the depiction start point P1 can be changed. That is, the display control unit 32 displays the setting screen M3, and in the setting screen M3, the relationship between the attachment position (X1, Y1) of the position detection device 10a1 and the predetermined position (X2, Y2) of the work device 2 The drawing start point P1 can be changed by allowing the operator to set while viewing the image. The coordinates (numerical values) of the attachment position (X1, Y1) of the position detection device 10a1 may be displayed on the setting screen M3.

  As described above, when the setting of the depiction start point P1 by the display control unit 32 is completed, a graphic D3 indicating the depiction start point P1 after the change is displayed in the field 40 of the guidance screen M1 (S11). That is, the display control unit 32 offsets the difference (ΔX, ΔY) detected by the difference setting unit 34 with respect to the detection position detected by the position detection device 10 a 1 to obtain the predetermined position (X2, Y2). Match the depiction start point P1.

In the embodiment described above, the depiction start point P1 is changed based on the relationship between the mounting position of the position detection device 10a1 set on the setting screen M3 and the predetermined position of the work device 2; Changes may be made on the basis of this.
The display control unit 32 has a model setting unit 35. The model setting unit 35 is configured by electricity, electronic components, programs and the like provided in the work display device 10c1. The model setting unit 35 sets the model of the work device 2 as the work machine information. When a worker or the like performs a predetermined operation on the work display device 10c1, as shown in FIG. 5B, the model setting unit 35 displays a setting screen M4. In the setting screen M4, a model input unit 44 for inputting a model of the work device 2 is input. The model input unit 44 displays a list of models of the work device 2 registered in advance in the work display device 10c1. When a predetermined model is selected from the list of models displayed in the model input unit 44 and input of the model to the model input unit 44 is completed, the model setting unit 35 sets the model input to the model input unit 44. (get.

As shown in FIG. 6, in the storage unit 33 of the work display device 10c1, offset amounts (ΔX, ΔY) with respect to the mounting position of the position detection device 10a1 are stored according to the model of the work device 2. For example, the offset amounts (ΔX, ΔY) are set such that the drawing start point P1 is at the center in the width direction of the working device 2 and corresponds to the rear end of the working device 2.
The offset amounts (ΔX, ΔY) may be set such that the depiction start point P1 coincides with the work position of the work unit that performs work on the ground (work place) in the work device 2. The working part is the part that spreads fertilizer in the case of fertilizer spreader, the part of nozzle that spreads medicine in the case of drug spreader, the part that sows seeds in the case of sowing device, the crop in the case of harvester Reaping part The working unit is not limited to the example described above. In this embodiment, the offset amounts (ΔX, ΔY) are set such that the work position of the nozzle 2b is the drawing start point P1.

  When the model setting unit 35 acquires the model, the display control unit 32 extracts the offset amount corresponding to the acquired model, and subtracts the offset amount extracted from the mounting position of the position detection device 10a1 (X1-ΔX, Y1 -.DELTA.Y) is set to the depiction start point P1. For example, when the model is “KU-100”, the offset amount ΔX is 100 cm and ΔY is 0 cm. In this case, in the field 40, a position which is 100 cm rearward from the mounting position of the position detection device 10a1 is the depiction start point P1. As described above, in order to change the depiction start point P1 based on the model acquired by the model setting unit 35, the display control unit 32 displays in the field 40 the traveling locus W1 when working with the work machine according to the model. can do.

In the embodiment described above, the offset amounts (ΔX, ΔY) are set to coincide with the work position of the working unit, but are input so that the worker can arbitrarily input the work position of the working unit. The depiction start point P1 may be set based on the work position.
For example, when a worker or the like performs a predetermined operation on the work display device 10c1, as shown in FIG. 5C, the display control unit 32 displays the setting screen M5. In the setting screen M5, a figure D1 indicating the tractor 1 (the vehicle body 3), a figure D2 indicating the work device 2, and a figure D6 indicating the working unit of the work device 2 are displayed. In the setting screen M5, the display control unit 32 displays the position input unit 41. The position input unit 41 is a portion shown on the setting screen M5 for inputting the work position of the work unit of the work device 2. For example, the position input unit 41 sets the center of the work device 2 as the origin O1, and inputs the work device of the work unit with a coordinate system (X3, Y3) or the like. When the input of the work position (X3, Y3) of the work unit to the setting screen M5 is completed, the display control unit 32 sets the work position (X3, Y3) of the work unit as the depiction start point P1. That is, when acquiring the work position (X3, Y3) of the working unit, the display control unit 32 offsets the work position (X3, Y3) of the working unit and the mounting position of the position detection device 10a1 (X3-ΔX, Y3) -.DELTA.Y) is set to the depiction start point P1.

As described above, since the work position (X3, Y3) of the working unit can be set to the depiction start point P1, the depiction start point P1 of the traveling locus W1 when working with the work machine is the work position of the working unit You can work while recognizing that there is.
Now, as shown in FIG. 3, when the tractor 1 (working device 2) travels in the work place and the position (detection position) detected by the position detection device 10a1 is changed (S12, Yes), the display control unit 32 Scrolls the second line L2 of the field 40 in the vertical direction, and horizontally scrolls the first line L1 of the field 40 according to the change in the detection position, thereby changing the position of the depiction of the first line L1. To do (S13).

  In addition, the display control unit 32 displays the traveling locus W1 by coloring the color of the field 40 in the direction which is scrolled from the depiction start point P1 substantially at the same time as the scroll operation (S14). . For example, in the field 40, the display control unit 32 draws a traveling locus W1 by coloring a portion corresponding to the rear from the figure D2 indicating the working device 2. The display control unit 32 causes the width of the traveling locus W1, that is, the coloring width of the field 40 to coincide with the work width.

  In the middle of drawing the traveling locus W1 of the tractor 1 (working device 2) in the field 40, that is, even while traveling, by performing a predetermined operation on the work display device 10c1, the drawing start point P1 is Changes are possible. For example, the setting screen M3, M4, M5 or the like is displayed on the display unit 31 of the work display device 10c1 by the operator operating the switch or the like before or while the tractor 1 (work device 2) travels. The start point P1 can be changed.

In the embodiment described above, setting screens M3 to M5 are displayed on the display unit 31 of the work display device 10c1, and information [position (distance), model, work position] input to the setting screens M3 to M5 is changed. Although the drawing position P1 has been changed, the drawing position P1 may be changed based on the work implement information transmitted from the work device 2.
As shown in FIG. 1, the work device 2 is provided with a communication device 50. The communication device 50 is a wireless tag, that is, an RFID tag (Radio Frequency Identification). The work position in the work unit of the work apparatus 2 is stored in the RFID tag as work machine information.

The task display device 10c1 has a position acquisition unit 36. The position acquisition unit 36 is configured by the work display device 10c1 with electricity, electronic components, a program, and the like. Specifically, the position acquisition unit 36 is a wireless tag reader that receives the work position of the work unit of the RFID tag 10, that is, an RFID reader. The RFID tag receives radio waves transmitted from the RFID reader, and transmits the work position to the RFID reader 11. When the position acquisition unit 36 acquires the work position of the working unit, the display control unit 32 sets the acquired work position as the depiction start point P1. According to the above, setting of the depiction start point P1 can be performed only by connecting the working device 2 to the tractor 1.
Second Embodiment
FIG. 7 shows a work display device 10c1 in the second embodiment. The work display device 10c1 in the second embodiment may be a device capable of changing the depiction start point, but may be a device incapable of changing the depiction start point. In the second embodiment, the description of the same configuration as that of the first embodiment will be omitted.

The work display device 10c1 in the second embodiment displays a warning when the actual remaining amount (the actual remaining amount) of the material stored in the work machine is different from the theoretical remaining amount. Alternatively, the work display device 10c1 changes the display regarding the work machine on the field 40 of the display unit 31 based on the actual remaining amount. The description of the same configuration as that of the first embodiment will be omitted.
The material is at least a substance to be introduced into the work place, and is, for example, fertilizer, medicine, seeds, seedlings and the like. The work device 2 is provided with a storage member for storing materials. The storage member is a support base such as a tank, a tray, etc. Fertilizer, medicine, seeds and the like are stored in the tank, and a seedling etc. is placed on the support base. In this embodiment, as shown in FIG. 16, the storage member is the tank 2a, and a drug is stored in the tank 2a as a material.

Hereinafter, the case where there is a difference between the actual remaining amount and the theoretical remaining amount will be described.
It has an actual remaining amount acquisition unit 37A, a theoretical remaining amount acquisition unit 38A, and a theoretical remaining amount calculation unit 39A. The actual remaining amount acquisition unit 37A, the theoretical remaining amount acquisition unit 38A, and the theoretical remaining amount calculation unit 39A are configured by electricity, electronic components, programs and the like provided in the work display device 10c1.
The actual remaining amount acquisition unit 37A acquires the actual remaining amount (actual remaining amount) of the material stored in the work machine. As shown in FIG. 7, the work device 2 or the vehicle body 3 is provided with a remaining amount detection device 13. The remaining amount detection device 13 is a device that detects the actual remaining amount of the material stored in the storage member. The remaining amount detection device 13 is provided outside or inside the storage member, and is a camera such as a CCD, an optical sensor, an electromagnetic sensor, a contact sensor, or the like. The actual remaining amount acquisition unit 37A acquires the actual remaining amount detected by the remaining amount detection device 13. In this embodiment, the remaining amount detection device 13 detects the remaining amount of the medicine remaining in the tank 2a as the actual remaining amount.

  The theoretical remaining amount acquisition unit 38A acquires the theoretical remaining amount of the material used in the work of the work machine. For example, when a worker or the like performs a predetermined operation on the work display device 10c1, as shown in FIG. 8, the display control unit 32 displays the setting screen M6. In the setting screen M6, a storage amount input unit 45 for inputting the storage amount of the material stored in the storage member and a supply amount input unit 46 for inputting the planned supply amount of the material per predetermined area are displayed. In the storage amount input unit 45, the storage amount of the material stored in the storage member at the time of starting the work or when the supply of the material is completed is input. The supply amount input unit 46 is a portion for inputting the planned supply amount of material to the work place per predetermined area, and for example, the planned supply amount of material to be supplied per turn is input.

  The theoretical remaining amount calculation unit 39A calculates the theoretical remaining amount of the material based on the traveling distance of the working machine in the work place, the planned supply amount of material per predetermined area of the work place, and the storage amount stored in the working machine. More specifically, the theoretical remaining amount calculation unit 39A calculates the planned supply amount input to the supply amount input unit 46, the storage amount input to the storage amount input unit 45, and the tractor 1 (work The theoretical remaining amount is calculated based on the travel distance of the device 2) and the working width of the tractor 1 (working device 2) input to the width input unit 40.

  As shown in FIG. 9, the theoretical remaining amount calculation unit 39A obtains the traveling distance Mi after the tractor 1 (working device 2) starts traveling from the transition of the position detection device 10a1 (traveling trajectory W1 of the working machine) Work area is obtained by multiplying travel distance Mi by work width. The theoretical remaining amount calculation unit 39A obtains the theoretical usage amount from the ratio of the work area to the planned supply amount. For example, if the planned supply is 10 kg / turn and the working area is 0.5 turn, the theoretical usage is 5 kg. The theoretical remaining amount calculation unit 39A subtracts the theoretical usage amount from the storage amount input to the storage amount input unit 45 to obtain the theoretical remaining amount. The theoretical remaining amount acquisition unit 38A acquires the theoretical remaining amount obtained by the theoretical remaining amount calculation unit 39A. The display control unit 32 displays the theoretical remaining amount acquired by the theoretical remaining amount acquisition unit 38A on the theoretical remaining amount display unit 47 shown on the setting screen M6.

In the embodiment described above, the travel distance Mi is obtained from the transition of the position detection device 10a1, but the theoretical remaining amount calculation unit 39A may obtain the total area of the travel trajectory W1 of the work machine as the work area.
The work display device 10c1 has a remaining amount difference calculation unit 60A. The operation display device 10c1 is configured by electricity, electronic components, programs and the like provided in the operation display device 10c1. The remaining amount difference calculation unit 60A calculates the remaining amount difference between the actual remaining amount acquired by the actual remaining amount acquisition unit 37A and the theoretical remaining amount acquired by the theoretical remaining amount acquisition unit 38A. For example, when the actual remaining amount is 8 kg and the theoretical remaining amount is 7 kg, the remaining amount difference calculating unit 60A calculates that the remaining amount difference is 1 kg. Even when the actual remaining amount is 6 kg and the theoretical remaining amount is 7 kg, the remaining amount difference calculating unit 60A calculates that the remaining amount difference is 1 kg.

The display unit 31 of the work display device 10c1 displays at least a warning when the remaining amount difference calculated by the remaining amount difference calculation unit 60A is equal to or greater than a threshold (deviation threshold).
The divergence threshold is a value to determine that the difference between the actual residual amount and the theoretical residual amount is diverging. For example, when the numerical value of materials such as 1 kg and 2 kg or the maximum storage amount of storage members is 100% The ratio of materials such as 1 to 5%. Further, the divergence threshold can be set by inputting to the work display device 10c1.

When the remaining amount difference calculated by the remaining amount difference calculation unit 60A is equal to or greater than the deviation threshold value, the display unit 31 deviates between the actual remaining amount and the theoretical remaining amount on the guidance screen M1, as shown in FIG. Display a warning that indicates that The display unit 31 may display both the actual remaining amount and the theoretical remaining amount on the guidance screen M1.
Next, the display when the actual remaining amount is a predetermined threshold (less than the holding threshold) will be described.

  The work display device 10c1 determines whether the actual remaining amount acquired by the actual remaining amount acquisition unit 37A is less than a threshold (holding threshold). When the actual remaining amount is less than the holding threshold value, the display unit 31 displays the position of the work machine whose actual remaining amount is less than the holding threshold value in the field 40 as the remaining amount decrease position (material reduction position) P2. The retention threshold is a value to determine that the actual remaining amount is small, for example, it is indicated by the numerical value of materials such as 1 kg and 2 kg, or the ratio of materials such as 5% when the maximum storage amount of storage members is 100%. . Further, the holding threshold can be set by inputting to the work display device 10c1.

  As shown in FIG. 9, the display control unit 32 holds the detection position when the actual remaining amount of the material stored in the storage member is less than 5% of the maximum storage amount, and holds it in the field 40. Information indicating that the actual remaining amount is low is displayed on the traveling trajectory W1 of the work machine at a position (remaining position reduced position) P2 corresponding to the detected position. The display control unit 32 displays a figure D7 indicating a decrease in the remaining amount at the remaining amount decrease position P2.

When the actual remaining amount is less than the holding threshold value, the remaining amount decrease position P2 is displayed in the field 40 as the figure D7, but when the actual remaining amount becomes zero (when it completely disappears) The point where the actual remaining amount completely becomes zero may be positively indicated by displaying a figure different from the figure D7.
In the embodiment described above, the figure D7 showing the remaining amount decrease position P2 is shown on the traveling locus W1 shown in the field 40, but even when the actual remaining amount is equal to or more than the holding threshold value, the traveling locus W1 is displayed Good.

  FIG. 10 shows a guidance screen M7. As shown in FIG. 10, the display control unit 32 displays the traveling locus W1 on the field 40 of the guidance screen M7 when the actual remaining amount is greater than or equal to the holding threshold value. On the other hand, the display control unit 32 does not display the traveling locus W1 in the field 40 when the actual remaining amount is less than the holding threshold value. FIG. 11 is a diagram showing a flow of depiction of the traveling locus W1 in the display control unit 32. As shown in FIG. In FIG. 11, S1 to S13 are the same as in FIG.

  The display control unit 32 refers to the actual remaining amount acquired by the actual remaining amount acquiring unit 37A, and determines whether the actual remaining amount is equal to or more than the holding threshold (S20). If the actual remaining amount is equal to or greater than the holding threshold (S20, Yes), the display control unit 32 changes the color of the field 40 in the direction of scrolling from the depiction start point P1 substantially simultaneously with the scroll operation By coloring, the traveling locus W1 is displayed (S21). On the other hand, when the actual remaining amount is less than the holding threshold (S20, No), the display control unit 32 does not change the color of the field 40 at the depiction start point P1, that is, does not depict the traveling locus W1 in the field 40. (S22). By doing this, it can be grasped from the traveling locus W1 that the material is lost. In other words, since the travel locus W1 is displayed only when the material is put into the work place, the travel locus W1 in the above-described embodiment can be viewed as a work locus indicating a portion where work is actually performed.

FIG. 12 is a modification of the second embodiment, and shows a work management system provided with a management apparatus 61. The management device 61 is a computer such as a server. The management device 61 includes a communication device 62 and a storage unit 63.
The communication device 62 is a communication module that performs wireless communication by a mobile phone communication network, and a communication module that performs wireless communication by a data communication network. The storage unit 63 stores at least a work plan for performing work in the work place.

  The work machine has a communication device 64. The communication device 64 is a communication module that performs wireless communication by Wi-Fi (WireNess FideNity, registered trademark) of IEEE 802.11 series that is a communication standard, a communication module that performs wireless communication by a mobile phone communication network, and wireless by a data communication network. It is a communication module etc. which communicate. The communication device 64 is connected to the in-vehicle network N1 and can transmit information on a working machine to the management device 61. Also, the communication device 64 can receive various information from the communication device 62 of the management device 61.

The management device 61 includes an actual remaining amount acquiring unit 37B, a theoretical remaining amount acquiring unit 38B, a theoretical remaining amount calculating unit 39B, and a remaining amount difference calculating unit 60B. The actual remaining amount acquiring unit 37B, the theoretical remaining amount acquiring unit 38B, the theoretical remaining amount calculating unit 39B, and the remaining amount difference calculating unit 60B are configured by electricity, electronic components, programs and the like provided in the management device 61.
The actual remaining amount acquisition unit 37B acquires the actual remaining amount stored in the storage member of the work machine from the work machine. For example, when the remaining amount detecting device 13 of the working machine detects the actual remaining amount, the communication device 64 detects the identification information of the working machine (the working device 2) and the like together with the actual remaining amount. Send When the communication device 62 of the management device 61 receives the actual remaining amount, the actual remaining amount acquiring unit 37B holds the received actual remaining amount. Therefore, the management device 61 (the actual remaining amount acquisition unit 37B) can identify the work device 2 from the identification information.

  The theoretical remaining amount acquisition unit 38B acquires the theoretical remaining amount obtained by the theoretical remaining amount calculation unit 39B. The theoretical remaining amount calculation unit 39B calculates the theoretical remaining amount based on the work plan stored in the storage unit 63 of the management device 61 and the travel distance Mi acquired from the work machine. Specifically, as shown in FIG. 13, the storage unit 63 of the management device 61 uses a work schedule such as time of day when the work is performed, a work place where the work is performed, a planned supply amount of material to the work place, and a work place. The working device to be used, the storage amount of materials, and the working width are stored. The work plan can be obtained by connecting the external terminal 80 such as a portable terminal to the management device 61 and inputting various information in the work plan screen displayed on the portable terminal. it can. The storage amount of the material is the amount of the material stored in the storage member at the start of the work, and can be determined at the time of the work plan.

  The theoretical remaining amount calculation unit 39B refers to the storage unit 63, and acquires the planned supply amount, the storage amount, and the work width from the work plan corresponding to the work performed by the current work machine (work device 2). Here, since the identification information is received when the theoretical remaining amount acquisition unit 38B acquires the actual remaining amount, at least the current work machine (working device 2) can be specified. Therefore, since the work device 2 performing the current work can be extracted from the identification information, the work plan including the work device 2 having the identification information is extracted from the plurality of work plans. It is possible to obtain the planned supply amount, storage amount and work width in the work of

  In the embodiment described above, the storage amount and the work width in the work plan are acquired using the identification information acquired by the management device 61 together with the actual remaining amount as a key, but instead, the communication device 64 detects the position By transmitting the detection position detected by the device 10c1 to the management device 61 (the actual remaining amount acquiring unit 37B), it is possible to grasp the position of the field where the work machine (work device 2) is working. Therefore, items (planned supply amount, storage amount and work width) regarding the work currently being performed may be acquired from the work plan by using the position of the field as a key.

Next, the theoretical remaining amount calculation unit 39B obtains the travel distance Mi transmitted from the communication device 64, and obtains the work area by multiplying the travel distance Mi by the work width. Further, the theoretical remaining amount calculation unit 39B obtains the theoretical amount used from the ratio of the working area to the planned supply amount, and obtains the theoretical remaining amount by subtracting the theoretical amount used from the storage amount.
The remaining amount difference calculating unit 60B calculates the remaining amount difference between the actual remaining amount acquired by the actual remaining amount acquiring portion 37B and the theoretical remaining amount acquired by the theoretical remaining amount acquiring portion 38B, and the calculated remaining amount difference It transmits to the working machine side (communication device 64) via the communication device 62. According to this, the working machine side can acquire the remaining amount difference calculated by the management device 61. When the remaining amount difference calculated by the remaining amount difference calculation unit 60B is equal to or greater than the deviation threshold value, the display unit 31 of the work display device 10c1 has a deviation between the actual residual amount and the theoretical residual amount on the guidance screen M1. Display a warning that indicates

As described above, according to the modification described above, the management device 61 includes the actual remaining amount acquisition unit 37B, the theoretical remaining amount acquisition unit 38B, and the theoretical remaining amount calculation unit 39B. For this reason, the theoretical remaining amount can be calculated by the management device 61 outside the work machine, and the calculation load on the work machine can be reduced.
The management device 61 further includes a remaining amount difference calculation unit 60B. For this reason, the remaining amount difference can be calculated by the management device 61, and the calculation load on the work machine side can be reduced. As described above, when the management apparatus 61 has a work plan, the remaining amount difference can be easily calculated using the work plan or the like, and the actual remaining amount acquisition unit 37A, the theoretical remaining amount acquisition unit 38A And even if the working machine does not have the theoretical remaining amount calculating unit 39A and the remaining amount calculating unit 60A, it is possible to display a warning indicating that the actual remaining amount and the theoretical remaining amount deviate.
Third Embodiment
FIG. 14 shows a work management system according to the third embodiment. The work management system according to the third embodiment is a system that stores at least a material shortage position in the management device 61. In the third embodiment, the description of the same configuration as that of the above-described embodiment will be omitted.

  As illustrated in FIG. 14, the management device 61 includes an actual remaining amount acquisition unit 37 </ b> B and a storage unit 66. Specifically, when the operation of the tractor 1 (work device 2) is started, at least the detection position detected by the position detection device 10a1 and the actual remaining amount detected by the remaining amount detection device 13 are managed from the communication device 64. It is sent to the device 61. Transmission of the detected position and the actual remaining amount is performed in real time at predetermined intervals or continuously.

  The actual remaining amount acquisition unit 37B of the management device 61 acquires the detected position and the actual remaining amount transmitted from the communication device 64. The storage unit 66 stores the detected position and the actual remaining amount acquired by the actual remaining amount acquiring unit 37B as performance information. The communication device 64 transmits the time (month, day, time) or the like when the position detection device 10a1 detects the detection position to the management device 61 together with the detection position, and the storage unit 66 detects the time, position detection position, actual remaining The amount may be stored as performance information.

  When the management device 61 acquires the detected position and the actual remaining amount, or after storing the detected position and the actual remaining amount in the storage unit 66, the management device 61 determines whether the actual remaining amount is less than the holding threshold value It is determined whether or not it is determined that the detected position where the actual remaining amount is less than the holding threshold is stored in the storage unit 66 as the remaining amount reduced position P2. In this way, at least the remaining amount decrease position P2 can be stored in the management device 61.

Now, the remaining amount decrease position P2 or the like may be displayed on the external terminal 80 different from the management device 61. The external terminal 80 is, for example, a fixed terminal such as a personal computer, a smart phone, a tablet, a portable terminal such as a PDA, etc., and is an end located at a distance from the work machine and the management device 61.
The external terminal 80 has a display unit 81. The display unit 81 is a device that displays various information related to work. As shown in FIG. 15, for example, the display unit 81 displays a work screen M8. In the work screen M8, a field map 82 indicating the field H1 registered in the external terminal 80 or the management device 61 is displayed. In the field map 82, a traveling locus W1 traveled by the tractor 1 (working device 2) is displayed in an overlapping manner. In addition, on the field map 82, the remaining amount decrease position P2 is displayed. In the work screen M8, it is possible to specify at which point in time the work is to be displayed. For example, the time specification unit 83 can specify the time, the day, the week, the range of the month, the current . When the present is designated by the time designation unit 83, for example, it is possible to display work of one day (24 hours) retroactive from the present.

  Specifically, when the external terminal 80 connects to the management device 61, the management device 61 displays the work screen M8 on the display unit 81. For example, in the time designation unit 83 of the display unit 81, when the present is set, the management device 61 refers to the detected position and the actual remaining amount stored in the storage unit 66 within 24 hours from the present. . The management device 61 causes the field map 82 to display the traveling locus W1 traveled by the tractor 1 (working device 2) obtained from the detected position. Further, the management device 61 determines whether the actual remaining amount acquired by the actual remaining amount acquisition unit 37B is less than the holding threshold, and the remaining position decreases when the actual remaining amount becomes less than the holding. It is displayed on the field map 82 as the position P2.

  In this way, if the worker looks at the display unit 81 of the external terminal 80, not only can the traveling locus W1 at the time of working with the work machine be grasped, but also the position where the remaining amount of material remains is grasped. it can. If the remaining amount decrease position P2 is displayed on the work display device 10c1 provided in the work machine 1 and the remaining amount decrease position P2 is displayed on the external terminal 80, the driver operating the work machine Both the worker who is working outside the work machine can know that the material stored in the work machine 1 is low.

  In the third embodiment described above, after the actual remaining amount is transmitted from the work machine side (communication device 64) to the management device 61, the remaining amount decrease position P2 where the actual remaining amount is less than the holding threshold is Although it judges, it may replace with this and may judge by the work machine side. For example, the work display device 10c1 is provided with the actual remaining amount acquisition unit 37A, and the work display device 10c1 determines whether the actual remaining amount acquired by the actual remaining amount acquisition unit 37A is less than the holding threshold value. Then, the work display device 10c1 sets the detection position at the time when the actual remaining amount becomes less than the holding threshold as the remaining amount reduction position P2. The communication device 64 transmits the remaining amount decrease position P2 to the management device 61, and the management device 61 stores the remaining amount decrease position P2 in the storage unit 66. In this way, the work machine side can obtain the remaining amount decrease position P2 and can transmit the obtained remaining amount decrease position P2 to the management device 61.

  In the embodiment described above, the working machine has been described by taking the tractor 1 equipped with the working device 2 as an example, but the above-described configuration can also be applied to a rice transplanter as shown in FIG. As shown in FIG. 17, the rice transplanter 17 includes a vehicle body 3, a motor 4 provided on the vehicle body 3, and a transmission 5 provided on the vehicle body 3. The vehicle body 3 is configured by combining a plurality of frames, and supports a wheel-type traveling device. The vehicle body 3 can travel by a traveling device. The rear side of the vehicle body 3 is provided with a working device 2 such as a fertilizer spreader and a sowing device. Further, on the rear side of the vehicle body 3, a seedling platform 11 and a seedling planting device 12 are provided. The rice transplanter 17 is provided with the above-described position detection device 10a1 and the above-described operation display device 10c1. In addition, when applying to the rice transplanter 17, what is necessary is just to read the tractor 1 mentioned above for "the rice transplanter 17".

Therefore, also in rice transplanter 17, the depiction start point P1 of the position to fold 40 is changed based on the information on rice transplanter 17, or the residual amount difference calculated by residual amount difference calculation units 60A and 60B is at least the threshold value. In some cases, at least a warning can be displayed.
It should be understood that the embodiments disclosed herein are illustrative and non-restrictive in every respect. The scope of the present invention is indicated not by the above description but by claims, and is intended to include all modifications within the meaning and scope equivalent to claims.

Reference Signs List 1 tractor 2 working device 2a tank 2b nozzle 2c frame 3 vehicle body 4 prime mover 5 transmission 6 driver's seat 7 cabin 8 connecting portion 10 device 10a detection device 10a1 position detection device 10b switch device 10c display device 10d control device 11 seedling platform 12 seedling Planting device 17 rice plant 31 display unit 32 display control unit 33 storage unit 34 difference setting unit 35 model setting unit 36 position acquisition unit 37A, 37B actual remaining amount acquisition unit 38A, 38B theoretical remaining amount acquisition unit 39A, 39B theoretical remaining amount Calculation unit 40 Field 41 Icon unit 41a First icon unit 41b Second icon unit 41c Third icon unit 41d Fourth icon unit 42 Machine display unit 43 Deviation input unit 44 Model input unit 45 Storage amount input unit 46 Supply amount input unit 47 Theoretical remaining amount display unit 50 Communication device 60A, 60B remaining amount Difference calculation unit 61 management device 62 communication device 63 storage unit 64 communication device 65 portable terminal 66 storage unit 80 external terminal 81 display unit 82 field map 83 time designation unit D1 figure showing vehicle body D2 figure showing work device D3 depiction start point Figure D4 Diagram showing the installation position of the position detection device D5 Diagram showing the predetermined position of the work device D6 Diagram showing the work part of the work device D7 Diagram showing the decrease of the remaining amount M1 Guidance screen M2 setting screen (setting of separation distance)
M3 setting screen (predetermined position setting)
M4 setting screen (setting of model)
M5 setting screen (setting of working unit position)
M6 setting screen (setting of storage amount etc.)
M7 Guidance screen P1 Dep. Start point P2 Remaining low position W1 position locus

Claims (10)

A work display device capable of displaying the position of a work machine in a field indicating a work area,
An actual remaining amount acquisition unit for acquiring an actual remaining amount of material stored in the work machine;
A display unit that changes a display related to the work machine based on the actual remaining amount acquired by the actual remaining amount acquisition unit;
Work display device equipped with.   The work display apparatus according to claim 1, wherein the display unit displays the position of the work machine when the actual remaining amount acquired by the actual remaining amount acquisition unit is less than a threshold as the material reduction position in the field.   The display unit displays the position of the work machine in the field when the actual remaining amount acquired by the actual remaining amount acquisition unit is equal to or greater than a threshold, and the actual amount is less than the threshold. The work display apparatus according to claim 1, wherein the position of the work machine is not displayed in the field.   A work machine provided with the work display device according to any one of claims 1 to 3. A position detection device that detects the position of the work machine;
An actual remaining amount detection device for detecting an actual remaining amount of material stored in the work machine;
A work display device that displays the position of the work machine detected by the position detection device in a field, and changes the display related to the work machine based on the actual remaining amount detected by the actual remaining amount detection device;
Work management system equipped with.   The work management system according to claim 5, wherein the work display device displays the position of the work machine when the actual remaining amount detected by the actual remaining amount detection device is less than a threshold as the material reduction position in the field.   The work display device displays the position of the work machine in the field when the actual remaining amount detected by the actual remaining amount detection device is equal to or greater than a threshold, and the actual remaining amount is less than the threshold. The work management system according to any one of claims 5 or 6, wherein the position of the work machine is not displayed in the field.   An actual remaining amount acquisition unit for acquiring an actual remaining amount detected by the actual remaining amount detection device and a position of a work machine detected by the position detection device, an actual remaining amount acquired by the actual remaining amount acquisition portion, and the work machine The work management system according to claim 5, further comprising: a management device having a storage unit that stores the position of the position.   The work management system according to claim 8, wherein the storage unit stores the position of the work machine when the actual remaining amount is less than a threshold as a material reduction position.   The work management system according to claim 9, further comprising an external terminal that displays the position of the work machine when the actual remaining amount is less than a threshold separately from the work display device.