JP7398216B2 - Loading position indicating device - Google Patents

Description

The present invention relates to a loading position indicating device.

BACKGROUND OF THE INVENTION It is desired to improve delivery efficiency in delivery companies, transport companies, etc. that deliver packages using vehicles such as trucks, and related technologies have been proposed (see, for example, Patent Documents 1 to 3). Patent Document 1 discloses that a product tag storing baggage information including the size of the baggage or transportation temperature is attached to the baggage, and a CPU determines the position to be loaded on the loading platform based on the baggage information read from the product tag. A cargo loading position management method is disclosed. Patent Document 2 discloses a method using an on-vehicle device mounted on the vehicle to determine whether the vehicle is operating according to an operation plan created based on vehicle operation management information such as the vehicle route, the type and weight of luggage, etc. Discloses a traffic management system that is managed through communications. Patent Document 3 discloses a logistics system that calculates a transport route for a truck that loads parts from multiple parts manufacturers at once and transports the parts to a finished product manufacturer. Furthermore, the weight of cargo loaded on a vehicle such as a truck is measured (see, for example, Patent Documents 4 to 6).

Japanese Patent Application Publication No. 2002-265062 JP2002-56488A Japanese Patent Application Publication No. 2004-59294 Japanese Patent Application Publication No. 2008-15991 Japanese Patent Application Publication No. 2006-318468 Japanese Patent Application Publication No. 2004-175556

However, depending on the delivery destination of the package, the unloading direction may be restricted, such as being able to unload only from the rear of the vehicle at a designated unloading location. In Patent Document 1, when the vehicle arrives at the delivery destination, the CPU instructs the cargo to be unloaded. However, if the instructed cargo is loaded in the front of the vehicle, the unloading direction at the destination will be If you are restricted from the rear, it may be difficult to take out the luggage. Note that the unloading direction is not considered in Patent Documents 2 to 6 as well.

The present invention has been made in view of the above-mentioned circumstances, and its purpose is to load cargo at an appropriate position depending on the unloading direction at the delivery destination, thereby making it possible to improve the efficiency of unloading work. An object of the present invention is to provide a loading position indicating device.

In order to achieve the above-mentioned object, the loading position indicating device according to the present invention has the following features (1) to ( 5 ).
(1) Delivery information indicating each delivery destination and delivery order of a plurality of packages including a first package and a second package to be delivered by a vehicle, unloading information indicating the direction of unloading from the vehicle at each delivery destination, and a calculation unit that calculates loading instruction information instructing a loading position of each of the plurality of pieces of baggage on the loading platform of the vehicle based on baggage information indicating the weight of each of the plurality of pieces of baggage;
an instruction unit that instructs the loading position of the first cargo based on the calculated loading instruction information;
a load measurement unit that measures a load applied to the vehicle and detects a position where the load is applied;
a determination unit that determines whether the first cargo is loaded at the designated loading position based on the measurement result of the load measurement unit;
The instruction unit instructs the loading position of the second luggage based on the loading instruction information when it is determined that the first luggage is loaded at the designated loading position,
The loading instruction information is configured to load the plurality of packages onto the loading platform based on the delivery order of the plurality of packages included in the delivery information, and the respective weights and types of the plurality of packages included in the package information. The loading order is further instructed, and the second baggage is loaded on top of the first baggage by setting the loading position of the second baggage to the same position as the loading position of the first baggage. including ;
The instruction section is
Among a plurality of light emitting units embedded in the floor of the vehicle, a light emitting unit indicating the loading position emits light to indicate the loading position, and then,
If it is determined that the first cargo is loaded at the loading position, turning off the light emitting unit;
If it is determined that the first baggage is not loaded at the loading position, the light emitting unit is made to blink until it is determined that the first baggage is loaded at the loading position.
A loading position indicating device characterized by:
( 2 ) If the delivery information, unloading information, and package information are changed due to the occurrence of re-delivery or the addition of packages to be delivered,
The calculation unit searches for a new delivery route based on the changed delivery information, and calculates at least the loading position of the changed cargo based on the changed delivery information, the unloading information, and the package information. The loading position indicating device according to (1) above, characterized in that the loading instruction information for instructing is calculated.
( 3 ) The load measurement unit measures a load applied to the vehicle while the vehicle is running;
(1) above, wherein the determination unit calculates the center of gravity position of the vehicle based on the measurement result of the load measurement unit, and generates a warning signal if the center of gravity position is not within a specified range. Or the loading position indicating device according to (2) .
( 4 ) The calculation unit recalculates the loading instruction information so that, when the warning signal is generated, the center of gravity position of the vehicle while it is running falls within the specified range. The loading position indicating device described in 3 ).
( 5 ) comprising a load sensor provided on the vehicle,
Any one of (1) to ( 4 ) above, wherein the load measurement unit measures the load applied to the vehicle based on the output of the load sensor, and detects the position where the load is applied. The loading position indicating device described in .

According to the loading position indicating device configured in (1) above, the loading position of each package is calculated by adding unloading information to the delivery information, and the operator is instructed to unload the load at the delivery destination. Each item can be loaded in the appropriate position. Additionally, when the first baggage (first baggage) is loaded in the correct loading position, the loading position of the next baggage (second baggage) is indicated, making it possible to reliably load the baggage in the appropriate loading position. . Therefore, it becomes possible to improve the efficiency of unloading work. Therefore, the time required for unloading work is shortened, and the burden on the operator (driver) can be reduced. Furthermore, since the loading position of each piece of luggage is determined in consideration of the baggage information, the load balance can be optimized so that there is no bias in the weight of the baggage, and the vehicle can run stably (safely).

Furthermore, according to the loading position indicating device configured in ( 1 ) above, when baggage B is delivered before baggage A, baggage B is placed on top of baggage A, so that the loading position in the vertical direction is determined. Since it is also possible to give instructions, the efficiency of unloading work and loading balance can be further improved.

Further, according to the loading position indicating device configured as described in ( 1 ) above, the loading position can be indicated by at least one of the following: display on the communication terminal or display section, light emission from the light emitting section, illumination from the lighting section, and audio output. .

According to the loading position indicating device configured in ( 2 ) above, when re-delivery occurs or there is an instruction to add cargo, the original transportation schedule is changed by calculating a new delivery route and loading instruction information. Even if the cargo is to be re-delivered or added, the cargo to be re-delivered or added can be loaded at an appropriate position depending on the unloading direction at the delivery destination. Therefore, it becomes possible to improve the efficiency of unloading work.

According to the loading position indicating device configured in ( 3 ) above, by calculating the loading balance while traveling and generating a warning signal when it is out of the specified range, it is possible to reduce the possibility of load collapse/shifting while traveling. It is possible to make workers etc. understand the information.

According to the loading position indicating device having the configuration ( 4 ) above, by detecting the loading balance while driving, it is possible to prevent cargo from collapsing due to tilting of the vehicle, thereby enabling safe driving.

According to the loading position indicating device configured as described in ( 5 ) above, the load applied to the vehicle can be directly measured by the load sensor provided in the vehicle.

According to the present invention, it is possible to load cargo at an appropriate position depending on the unloading direction at the delivery destination, thereby making it possible to improve the efficiency of unloading work.

The present invention has been briefly described above. Furthermore, the details of the present invention will be further clarified by reading the mode for carrying out the invention (hereinafter referred to as "embodiment") described below with reference to the accompanying drawings. .

FIG. 1 is a block diagram showing an example of the configuration of a loading position indicating device according to this embodiment. FIG. 2 is a block diagram showing an example of the configuration of the load sensor. FIG. 3 is a diagram showing a configuration example of a vehicle equipped with a loading position indicating device, and FIGS. 3(a), 3(b), and 3(c) are a front view, a right side view, and a right side view, respectively. It is a bottom view. FIG. 4 is a flowchart illustrating an example of the operation of calculating loading instruction information in the loading position indicating device. FIG. 5 is a diagram showing an example of unloading information of a delivery destination. FIG. 6 is a diagram showing an example of a loading position instruction method, in which FIG. 6(a) is an instruction example using a floor LED, FIG. 6(b) is an instruction example using a spotlight, and FIG. 6(c) is a display on a mobile communication terminal. FIG. 6D shows an example of instructions provided by the display section. FIG. 7 is a flowchart showing an example of loading operation in the loading position indicating device. FIG. 8 is a flowchart illustrating an example of a redistribution operation in the loading position indicating device.

Specific embodiments of the present invention will be described below with reference to each figure.

FIG. 1 is a block diagram showing a configuration example of a loading position indicating device 1 of this embodiment. The loading position indicating device 1 shown in FIG. 1 is mounted on a truck vehicle (hereinafter referred to as "vehicle") 41 (see FIG. 3), and includes an electronic control device 10. The electronic control device 10 also includes a loading instruction control device 19, a recording card 21, an alarm output section 22, a vehicle power source 23, a wireless communication section 24, four load sensors 25A to 25D, three tilt sensors 26A to 26C, and settings. A personal computer 27 is connected. Further, a floor LED/spotlight 20 (see FIGS. 6(a) and 6(b)) is connected to the loading instruction control device 19.

The electronic control device 10 also includes a turning acceleration detection section 11, a main body memory 12, an external output I/F
(interface) 13, an alarm output section 14, a display section 15, a control section 16, a power supply section 17, and an input/output I/F 18.

The recording card 21 is a nonvolatile memory card that is removably attached to the electronic control device 10, and is prepared individually for each driver. This record card 21 can be used to record operation record information of the vehicle 41 that transports luggage (loaded items). The operation record information includes information such as the current position of the vehicle 41, time, vehicle speed, turning acceleration, load at each wheel position, and inclination angle of each axis. The record card 21 also includes delivery information (delivery destination information, delivery route information), unloading information (see FIG. 5), vehicle type information of the vehicle 41, and luggage related to the luggage (load) transported by the vehicle 41, which will be described later. Information (loaded item information) and loading position instruction method information can be recorded.

The alarm output unit 22 is used to notify the driver, manager, etc. of the own vehicle of an alarm related to an abnormality in the luggage in the form of a display, an alarm sound, text information, or the like.
The vehicle power source 23 is a power source such as a battery mounted on the vehicle, and can supply predetermined DC power to on-vehicle devices such as the electronic control device 10.

The wireless communication unit 24 performs wireless communication with a mobile communication terminal 28 connected to a communication network such as the Internet and an office PC (not shown) via a wireless base station. The office PC is installed in the office of a company or the like that manages the operation of the vehicle 41, and is used for purposes such as operation management of the vehicle 41, labor management of each driver, and safety management.

Load sensors 25A, 25B, 25C, and 25D are located on the front left side (FL),
It is installed so that the magnitude of the load applied to the suspension supporting the wheels at each position of front right (FR), rear left (RL), and rear right (RR) can be measured.

The inclination sensor 26A is installed at a position where it can detect the magnitude of the inclination angle with respect to the horizontal direction of the axis (front wheel axle) connecting the front left wheel rotation axis and the front right wheel rotation axis. Further, the inclination sensor 26B is installed at a position where it can detect the magnitude of the inclination angle with respect to the horizontal direction of the axis (rear wheel axle) connecting the rear left wheel rotation axis and the rear right wheel rotation axis. There is. Further, the inclination sensor 26C is installed at a position where it can detect the magnitude of the inclination angle with respect to the horizontal direction of the axis (front-rear axle) connecting the front wheel axle and the rear wheel axle.

The setting personal computer 27 is a general-purpose computer that can be connected to the electronic control device 10, and provides the electronic control device 10 with information such as delivery information (delivery destination information, delivery route information), unloading information, and the vehicle 41. This is for setting vehicle type information, cargo information (loaded object information) regarding the cargo (loaded object) transported by the vehicle 41, and loading position instruction method information.

The turning acceleration detection unit 11 can output an electric signal representing the direction and magnitude of acceleration in a horizontal plane that is applied to luggage or the like when the host vehicle turns.
The main body memory 12 includes a non-volatile memory (such as an EEPROM) in which various predetermined constant data and programs necessary for the operation of the electronic control device 10 are written, and a memory (RAM) for holding temporary data. ing.

The external output I/F 13 performs signal processing for the control unit 16 to access data on the recording card 21 and control for outputting signals to the loading instruction control device 19 and the alarm output unit 22.
The alarm output unit 14 is used to notify the driver of the occurrence of an abnormality using an alarm lamp, a buzzer, etc. built into the electronic control device 10.

The display unit 15 includes a flat display arranged in such a manner that it can be easily viewed from the driver's position of the host vehicle. Color images and text information can be displayed as needed on the two-dimensional screen of this flat display. In this embodiment, a route display image in which the delivery route recorded in the main body memory 12 is superimposed on map data can be displayed on a two-dimensional screen. Further, the display unit 15 can display (display coordinates) the loading position of the luggage.

The control unit 16 is composed of an electronic circuit mainly including a microcomputer, and realizes various control functions required for the electronic control device 10 by executing programs prepared in advance.

The power supply unit 17 generates stable DC power based on the power supplied from the vehicle power supply 23, and supplies this DC power to each circuit inside the electronic control unit 10, load sensors 25A to 25D, and tilt sensors 26A to 26C. Supplied as power to
The input/output I/F 18 performs signal processing for inputting signals from the wireless communication section 24, load sensors 25A to 25D, tilt sensors 26A to 26C, etc. to the control section 16.

FIG. 2 is a block diagram showing an example of the configuration of the load sensor 25. As shown in FIG. Each of the load sensors 25A to 25D shown in FIG. 1 corresponds to the load sensor 25 in FIG.

As shown in FIG. 2, this load sensor 25 includes a strain detection element 31, a dedicated IC (ASIC) 32, a V/F conversion circuit 33, an MCU (microcontroller) 34, an input/output I/F 35, and a power supply circuit 36. are doing.

The strain detection element 31 detects the amount of strain caused by the load applied to the location where it is installed. The dedicated IC 32 generates an electric signal of voltage (V) corresponding to the amount of strain detected by the strain detection element 31, that is, the load. The V/F conversion circuit 33 converts the voltage change of the signal output from the dedicated IC 32 into a frequency (F) change. Specifically, the frequency of the pulse signal output by the V/F conversion circuit 33 corresponds to the load applied to the distortion detection element 31.

The MCU 34 generates data representing the magnitude of the detected load based on the frequency of the pulse signal output by the V/F conversion circuit 33. The load detection data generated by the MCU34 is
It is input to the electronic control device 10 via the input/output I/F 35.

FIG. 3 is a diagram showing a configuration example of a vehicle equipped with a loading position indicating device, and FIGS. 3(a), 3(b), and 3(c) are a front view, a right side view, and a right side view, respectively. It is a bottom view.

In the example shown in FIG. 3A, the electronic control device 10 and the wireless communication unit 24 are installed near the driver's seat of the vehicle 41. Four load sensors 25A, 25B, 25C, and 25D connected to the electronic control device 10 are located near the left front wheel 44A, the right front wheel 44B, the left rear wheel 44C, and the right rear wheel 44D, respectively. It is installed in Further, a loading instruction control device 19 connected to the electronic control device 10 is installed on the upper part of the loading platform 42.

Further, the tilt sensor 26A is installed near the front axle 43A, and the tilt sensor 26B is installed near the rear axle 43B. The tilt sensor 26C is installed at an intermediate position between the axles 43A and 43B. That is, the inclination sensor 26A detects the inclination angle of the front axle 43A in the lateral direction, the inclination sensor 26B detects the inclination angle of the rear axle 43B in the lateral direction, and the inclination sensor 26C detects the inclination angle of the axle in the longitudinal direction. .

Various pieces of luggage are loaded into the interior space of the loading platform 42 of the vehicle 41. The load at the position of each wheel 44C, 44D, etc. varies depending on the loading status of the cargo. The control unit 16 measures the load applied to the vehicle 41 based on the outputs of the load sensors 25A to 25D, and detects the position where the load is applied. That is, the control unit 16 can detect the weight of the luggage loaded on the loading platform 42 and the location on the loading platform 42 where the luggage is loaded. Furthermore, the inclination angle of the axle 43A, the inclination angle of the axle 43B, and the inclination angle of the axle in the longitudinal direction vary depending on the balance of loads at each position. Therefore, the position of the center of gravity of the cargo loaded on the platform 42 (loading balance of the platform 42) can be calculated based on the outputs of the load sensors 25A to 25D and the outputs of the tilt sensors 26A to 26C.

FIG. 4 is a flowchart illustrating an example of the operation of calculating loading instruction information in the loading position indicating device 1. To the electronic control device 10, (1) connection of the setting personal computer 27, (2) loading with the recording card 21, or (3) via the wireless communication unit 24 with the mobile communication terminal 28, office PC, etc. Various information necessary for calculating the loading instruction information is read into the control unit 16 by performing either of the communications. Then, various information is stored in the main body memory 12, and the process shown in FIG. 4 is executed.

The control unit 16 reads and sets delivery information indicating the delivery destination, delivery order, and delivery route of a plurality of packages from the main body memory 12 (S1). The control unit 16 reads and sets the unloading information of the delivery destination from the main body memory 12 (S2). FIG. 5 is a diagram showing an example of unloading information of a delivery destination. As shown in FIG. 5, the unloading information indicates whether unloading is possible from the rear side of the loading platform 42 (the rear side of the vehicle 41), the left side, or the right side with respect to the front direction of the vehicle 41. The unloading information is determined for each delivery destination.

The control unit 16 reads and sets the vehicle type information of the vehicle 41 from the main body memory 12 (S3). The vehicle type information includes information for identifying the driver of the vehicle 41 (driver ID) in addition to the vehicle information of the vehicle 41 (vehicle type, cargo bed size).
The control unit 16 reads and sets baggage information (loaded item information) regarding each baggage (loaded item) to be delivered by the vehicle 41 from the main body memory 12 (S4). The cargo information includes the weight, size, and type of each cargo.

The control unit 16 reads and sets loading position instruction method information from the main body memory 12 that specifies a method for indicating the loading position (S5). The loading position indicating method information indicates whether the loading position of the luggage is determined by lighting from a floor LED, illumination by a spotlight, display on the display section of the mobile communication terminal 28, or display on the display section 15.

FIG. 6 is a diagram showing an example of a loading position instruction method, in which FIG. 6(a) is an instruction example using a floor LED, FIG. 6(b) is an instruction example using a spotlight, and FIG. 6(c) is an instruction example using a mobile communication terminal. FIG. 6(d) shows an example of instructions on the display section. In the example shown in FIG. 6, the loading platform 42 is divided into four regions as shown in FIG. 6(d), and instructions are given as to which region the cargo should be loaded. In the example of FIG. 6(a), LEDs (light emitting parts, floor LEDs/spotlights 20) are embedded in each region (for example, each of the four corners) of the floor of the loading platform 42, and LEDL1 (floor LED/spotlight 20), the vicinity (area) of the place where the LEDL1 is embedded is designated as the cargo loading position.

In the example of FIG. 6(b), a spotlight (illumination unit, floor LED/spotlight 20) that illuminates each area of the floor of the loading platform 42 is provided on the ceiling or wall of the loading platform 42, and the light L2 illuminates the area. The location (area) marked is designated as the cargo loading position. In the example of FIG. 6(c), an image of the vehicle 41 (loading platform 42) is displayed on the screen D1 of the display section of the mobile communication terminal 28 (smartphone, tablet, etc.) that can wirelessly communicate with the loading position indicating device 1. , the highlighted area P1 is designated as the cargo loading position. In the example of FIG. 6(d), the image of the vehicle 41 (loading platform 42) and the coordinates of each area are displayed on the screen D2 of the display unit 15, and the area indicated by the coordinates "B.2" by the balloon display P2 is designated as the loading position for luggage. Note that FIGS. 6(c) and 6(d) are examples of instructions by display. For example, information for specifying a package and information for instructing the loading position of the package may be displayed on the same screen, etc. Instructions may be given using the display. Further, instead of or in addition to the instruction methods shown in FIGS. 6(a) to 6(d), the loading position may be instructed by voice output.

Returning to FIG. 4, the control unit 16 calculates the loading position and loading order (loading instruction information) of each baggage (each load) based on the information set in S1 to S4, and stores it in the main body memory 12 (S6 ). Based on the information set in S1 to S4, the control unit 16 comprehensively determines where each baggage should be placed on the loading platform 42 to make unloading work more efficient, and whether the weight of the baggage is uneven. Calculate accurately.

Since the control unit 16 calculates the loading position of each package by adding the unloading information to the delivery information, it sets an appropriate position as the loading position of each package according to the unloading direction specified for each delivery destination. Can be done. In addition, the control unit 16 calculates loading instruction information including loading order instructions based on the delivery order and package information (weight, size, type, etc.) of each package. may also be included in the instructions. For example, by instructing to load baggage A first and then load baggage B at the same position, baggage B, which is delivered before baggage A, can be loaded on top of baggage A. Further, it is possible to avoid loading other luggage on top of luggage that should be handled with particular care, or to load lighter luggage on top of heavy luggage. In this way, the loading position in the vertical direction of the loading platform 42 can be indicated. Therefore, the efficiency of unloading work and the loading balance can be further improved.

FIG. 7 is a flowchart showing an example of loading operation in the loading position indicating device 1. As shown in FIG. The process shown in FIG. 7 is executed by the control unit 16 of the electronic control device 10 and the loading instruction control device 19 in cooperation. When the operator (driver) starts loading the vehicle 41, the control unit 16 detects that the loading button of the electronic control device 10 has been pressed, and recognizes the start of the loading operation. (S11). The control unit 16 determines whether the set loading position instruction method is by displaying on the mobile communication terminal 28, displaying on the display unit 15, or lighting the floor LED/spotlight 20 (S12). .

When the loading instruction control device 19 uses a display on the mobile communication terminal 28 as the loading instruction method, the loading instruction control device 19 transmits information indicating the cargo to be loaded (loaded object) to the wireless communication unit 24, such as “baggage A”. (S13). Next, the loading instruction control device 19 displays and instructs the loading position (designated position) of the cargo (instruction object) on the screen D1 as shown in FIG. 6(c) (S14). Based on the outputs of the load sensors 25A to 25D, the control unit 16 detects that the cargo (pointer) has been loaded onto the platform 42 by the worker (S15). The control unit 16 causes the load sensors 25A to 25D to transmit the determined load data to the electronic control device 10 (S16).

Based on the received load data, the control unit 16 determines whether the luggage is loaded at the specified position (S17), and if YES, displays "OK" on the display of the mobile communication terminal 28 (S18). ). The control unit 16 determines whether there is any next baggage (loaded object) to be loaded (S19), and if NO, returns to the process of S13 and gives a loading instruction for the next baggage, and if YES, returns to this process. end.

On the other hand, if NO in S17, that is, if the luggage is not loaded at the designated position, the control unit 16 causes the display unit of the mobile communication terminal 28 to display a warning indicating that the designated position is incorrect (S20). . Then, when the loading position (loading position) of the cargo is adjusted by the worker, the control unit 16 detects that the loading position has been changed based on the outputs of the load sensors 25A to 25D (S21). , the process returns to S16.

Returning to S12, if the loading instruction method is by displaying on the display unit 15 of the loading position indicating device 1, the loading instruction control device 19 transmits information indicating the cargo to be loaded (loaded object) as, for example, "Luggage A". ” on the display unit 15 (S31). Next, the loading instruction control device 19 instructs the loading position (designated position) of the cargo (instruction object) by displaying it on the screen D2 of the display unit 15 as shown in FIG. 6(d) (S32). Based on the outputs of the load sensors 25A to 25D, the control unit 16 detects that the cargo (pointer) has been loaded onto the platform 42 by the worker (S33). The control unit 16 causes the load sensors 25A to 25D to transmit the determined load data to the electronic control device 10 (S34).

The control unit 16 determines whether the cargo is loaded at the designated position based on the received load data (S35), and if YES, displays "OK" on the display unit 15 (S36). The control unit 16 determines whether there is any next baggage (loading object) to be loaded (S37), and if NO, returns to the process of S31 and instructs loading of the next baggage, and if YES, returns to this process. end.

On the other hand, if NO in S35, that is, if the cargo is not loaded at the designated position, the control unit 16 causes the display unit 15 to display a warning indicating that the designated position is incorrect (S38). Then, when the loading position (loading position) of the cargo is adjusted by the worker, the control unit 16 detects that the loading position has been changed based on the outputs of the load sensors 25A to 25D (S39). , the process returns to S34.

Returning to S12 again, if the loading instruction method is by lighting the floor LED/spotlight 20, the loading instruction control device 19 sends an instruction sheet indicating the order of the cargo (loaded items) to be loaded to the electronic control device 10. A printer (not shown) connected to the printer is used to print (S51). Next, the loading instruction control device 19 determines the loading position (designated position) of the cargo (instruction object) by emitting a floor LED or lighting a spotlight, as shown in FIGS. 6(a) and 6(b). (S52). Based on the outputs of the load sensors 25A to 25D, the control unit 16 detects that the cargo (pointer) has been loaded onto the platform 42 by the worker (S53). The control unit 16 causes the load sensors 25A to 25D to transmit the determined load data to the electronic control device 10 (S54).

Based on the received load data, the control unit 16 determines whether the luggage is loaded at the designated position (S55), and if YES, turns off the floor LED/spotlight 20 (S56). The control unit 16 determines whether there is any next baggage (loaded object) to be loaded (S57), and if NO, returns to the process of S51 and gives a loading instruction for the next baggage, and if YES, returns to this process. end.

On the other hand, if NO in S55, that is, if the cargo is not loaded at the designated position, the control unit 16 flashes the floor LED/spotlight 20 to issue a warning that the designated position is incorrect (S58 ). Then, when the loading position (loading position) of the cargo is adjusted by the worker, the control unit 16 detects that the loading position has been changed based on the outputs of the load sensors 25A to 25D (S59). , the process returns to S54.

In S19 and S37, if there is no next package, that is, if all the packages have been loaded, the control unit 16 causes the display unit of the mobile communication terminal 28 or the display unit 15 to display a message indicating that loading has been completed. It's okay. Further, the control unit 16 may recognize the end of loading when the loading end button of the loading position indicating device 1 is pressed, or may detect the end of loading when the vehicle 41 starts traveling. May be recognized.

As shown in FIG. 7, the loading instruction control device 19 instructs the loading position of each baggage according to the order indicated in the loading instruction information, and if the first baggage is not loaded at the correct loading position, A warning will be issued and if the correct loading position has been loaded, the next loading position will be indicated. Therefore, each baggage can be reliably loaded at an appropriate loading position.

In addition, in S17, S35, and S55, the control unit 16 not only determines whether the baggage is loaded at the specified position, but also determines whether the baggage is loaded in the designated position in S13 based on the registered baggage information (weight). By further determining whether or not the baggage has been loaded, the baggage can be more reliably loaded in the correct position.

FIG. 8 is a flowchart showing an example of the redistribution operation in the loading position indicating device 1. Redelivery may occur, such as when the vehicle 41 arrives at the delivery destination but is unable to deliver the package due to absence. In this case, the loading position indicating device 1 searches the delivery route again and recalculates the loading position for the package to be re-delivered. The process in FIG. 8 is executed by the control unit 16 of the electronic control device 10 and the loading instruction control device 19 in cooperation.

When the control unit 16 detects the occurrence of redelivery by, for example, operating a button by a worker or receiving an instruction from the office (S61), it searches again for a delivery route for the package (S62). In addition, the control unit 16 determines whether or not the cargo to be re-delivered is loaded based on the unloading information, the order of delivery, the cargo information, and the current status of the cargo platform 42 (the position of the center of gravity of the cargo loaded on the platform 42). Calculate position. Thereafter, this loading position is instructed by the loading instruction control device 19. Each process from S63 to S72 in FIG. 8 is similar to each process from S12 to S21 in FIG. Each process from S81 to S89 in FIG. 8 is similar to each process from S31 to S39 in FIG. Each process from S91 to S98 in FIG. 8 is similar to each process from S52 to S59 in FIG.

FIG. 8 shows an example of the operation when re-delivery occurs, but for example, when there is an instruction to add baggage from the office, the appropriate loading position for the added baggage is similarly calculated. be instructed. In this way, when re-delivery occurs or there is an instruction to add cargo, the loading position indicating device 1 calculates a new delivery route and loading instruction information. Therefore, even if the original transportation schedule is changed, the additional or re-delivered cargo can be loaded in the appropriate position depending on the direction of unloading at the delivery destination. This makes it possible to improve work efficiency. The electronic control device 10 may obtain instructions from the office (re-delivery, addition of packages) by connecting the setting personal computer 27 to the electronic control device 10, or may obtain instructions from the mobile communication terminal 28 through wide area communication. The transmitted instruction may be acquired via the wireless communication unit 24.

Further, the control unit 16 can prevent cargo from collapsing due to the tilt of the vehicle 41 by detecting the loading balance of the cargo platform 42 while the vehicle 41 is running. That is, while the vehicle 41 is running, the control unit 16 calculates the center of gravity position of the luggage loaded on the loading platform 42 based on the outputs of the load sensors 25A to 25D and the outputs of the tilt sensors 26A to 26C. If the calculated center of gravity position is not within a predetermined range, the control unit 16 generates a warning signal, outputs an alarm from the alarm output units 14 and 22, and warns the driver (operator) about whether the load is collapsing or not. It is possible to grasp the possibility of deviation occurrence. For example, if the load on the loading platform 42 clearly loses its balance and is dangerous unless the loading position is changed, a warning is issued and the operator can immediately grasp the danger.

When the warning signal is generated, the control unit 16 recalculates the loading instruction information so that the center of gravity position during traveling falls within the specified range. For example, the control unit 16 changes the position of the baggage that is easy to move among the luggage loaded on the loading platform 42 based on information such as the luggage information, delivery order, center of gravity position, etc., so that the center of gravity position is inside the loading platform 42. In space, loading instruction information is calculated so as to approach the center and the bottom in the vehicle width direction. The loading instruction device 1 instructs the display unit of the mobile communication terminal 28 or the display unit 15 of the baggage whose position is to be changed and the new loading position, in the same manner as the processing of S63 to S89 in FIG. be loaded. Incidentally, by attaching an IC tag to the baggage, it is possible to specify the baggage whose position is to be changed, and to indicate the new loading position of the baggage using the floor LED/spotlight 20.

In this way, by detecting the loading balance and changing the loading position of the cargo when there is a possibility of the cargo collapsing, safe driving can be continued even if the vehicle 41 is tilted.

As explained above, according to the loading position indicating device 1 of the present embodiment, the loading position of each package is calculated by adding unloading information to the delivery information, and the operator is instructed to Each item can be loaded at an appropriate position depending on the unloading direction. Additionally, when the first baggage (first baggage) is loaded in the correct loading position, the loading position of the next baggage (second baggage) is indicated, making it possible to reliably load the baggage in the appropriate loading position. . Therefore, it becomes possible to improve the efficiency of unloading work. Therefore, the time required for unloading work is shortened, and the burden on the operator (driver) can be reduced. Furthermore, since the loading position of each piece of luggage is determined in consideration of the baggage information, the load balance can be optimized so that there is no bias in the weight of the baggage, and the vehicle can run stably (safely).

Note that the present invention is not limited to the embodiments described above, and can be modified, improved, etc. as appropriate. In addition, the material, shape, size, numerical value, form, number, arrangement location, etc. of each component in the embodiments described above are arbitrary as long as they can achieve the present invention, and are not limited. For example, in the embodiment described above, the loading position indicating device 1 includes the tilt sensors 26A to 26C, but the tilt sensors 26A to 26C are not an essential configuration, and the loading balance may be detected only from the load sensors 25A to 25D. .

Further, in the embodiment described above, an example was shown in which the loading position indicating device 1 (electronic control device 10) is mounted on the vehicle 41, but at least the calculation of the loading instruction information, the loading position instruction, and the correct loading position are shown. The configuration related to this determination may be provided in an office PC or other communication terminal. In addition, in the case of re-delivery, the re-search for the delivery route is performed not on the electronic control device 10 but on the office PC, mobile communication terminal 28, etc., and the information on the re-searched delivery route is transferred to the loading position indicating device 1 (electronic control device 10). The data may also be sent to the device 10).

Here, the features of the loading position indicating device according to the embodiment of the present invention described above are briefly summarized and listed below in [1] to [7].
[1] Delivery information indicating each delivery destination and delivery order of a plurality of packages including a first package and a second package to be delivered by the vehicle (41), and unloading information indicating the direction of unloading from the vehicle at each delivery destination. a calculation unit (control unit 16, S6) that calculates loading instruction information that instructs a loading position of each of the plurality of items on the loading platform of the vehicle, based on information indicating the weight of each item of the plurality of items, and luggage information indicating the weight of each of the items of luggage; and,
an instruction unit (loading instruction control device 19, S13, S31, S52) that instructs the loading position of the first cargo based on the calculated loading instruction information;
a load measurement unit (control unit 16, S16, S34, S54) that measures the load applied to the vehicle and detects the position where the load is applied;
a determination unit (control unit 16, S17, S35, S55) that determines whether the first cargo is loaded at the designated loading position based on the measurement result of the load measurement unit;
Loading characterized in that, when it is determined that the first baggage is loaded at the specified loading position, the instruction unit instructs the loading position of the second baggage based on the loading instruction information. Position indicating device (1).
[2] The loading position instructing device according to [1], wherein the loading instruction information further instructs the order in which the plurality of items are to be loaded onto the loading platform.
[3] The instruction section includes:
Display on a display unit of a communication terminal (mobile communication terminal 28) capable of communicating with the loading position indicating device or a display unit (15) mounted on the vehicle;
Light emission from a light emitting part indicating the loading position among a plurality of light emitting parts (floor LED/spotlight 20) embedded in the floor of the vehicle;
Illuminating the loading position by lighting a lighting unit (floor LED/spotlight 20) provided in the vehicle, and
Audio output from the audio output section,
The loading position indicating device according to [1] or [2] above, wherein the loading position is indicated by at least one of the following.
[4] If the delivery information, unloading information, and package information are changed due to the occurrence of re-delivery or the addition of packages to be delivered,
The calculation unit searches for a new delivery route based on the changed delivery information, and calculates at least the loading position of the changed cargo based on the changed delivery information, the unloading information, and the package information. The loading position instructing device according to any one of [1] to [3] above, wherein the loading position instructing device calculates the loading instruction information that instructs.
[5] The load measuring unit measures a load applied to the vehicle while the vehicle is running,
[1] above, wherein the determination unit calculates the center of gravity position of the vehicle based on the measurement result of the load measurement unit, and generates a warning signal if the center of gravity position is not within a specified range. The loading position indicating device according to any one of ~[4].
[6] The above [characterized in that] when the warning signal is generated, the calculation unit recalculates the loading instruction information so that the center of gravity position of the vehicle while it is running falls within the specified range. 5].
[7] A load sensor (25) provided on the vehicle,
Any one of [1] to [6] above, wherein the load measurement unit measures the load applied to the vehicle based on the output of the load sensor and detects the position where the load is applied. The loading position indicating device described in .

10 Electronic control unit 11 Turning acceleration detection section 12 Main body memory 13 External output I/F
14 Alarm output section 15 Display section 16 Control section 17 Power supply section 18 Input/output I/F
19 Loading instruction control device 20 Floor LED/spotlight 21 Recording card 22 Alarm output section 23 Vehicle power supply 24 Wireless communication section 25, 25A to 25D Load sensor 26A to 26C Inclination sensor 27 Setting personal computer 28 Mobile communication terminal 31 Strain detection element 32 AISC (dedicated IC)
33 V/F conversion circuit 34 MCU
36 Power supply circuit 41 Vehicle 42 Loading platform 43A Front axle 43B Rear axle 44A to 44D Wheels

Claims (5)

Delivery information indicating each delivery destination and delivery order of a plurality of packages including a first package and a second package to be delivered by a vehicle, unloading information indicating a direction of unloading from the vehicle at each delivery destination, and the plurality of packages. a calculation unit that calculates loading instruction information that indicates a loading position of each of the plurality of luggage on the loading platform of the vehicle, based on luggage information indicating the weight of each of the luggage;
an instruction unit that instructs the loading position of the first cargo based on the calculated loading instruction information;
a load measurement unit that measures a load applied to the vehicle and detects a position where the load is applied;
a determination unit that determines whether the first cargo is loaded at the designated loading position based on the measurement result of the load measurement unit;
The instruction unit instructs the loading position of the second luggage based on the loading instruction information when it is determined that the first luggage is loaded at the designated loading position,
The loading instruction information is configured to load the plurality of packages onto the loading platform based on the delivery order of the plurality of packages included in the delivery information, and the respective weights and types of the plurality of packages included in the package information. The loading order is further instructed, and the second baggage is loaded on top of the first baggage by setting the loading position of the second baggage to the same position as the loading position of the first baggage. including ;
The instruction section is
Among a plurality of light emitting units embedded in the floor of the vehicle, a light emitting unit indicating the loading position emits light to indicate the loading position, and then,
If it is determined that the first cargo is loaded at the loading position, turning off the light emitting unit;
If it is determined that the first baggage is not loaded at the loading position, the light emitting unit is made to blink until it is determined that the first baggage is loaded at the loading position.
A loading position indicating device characterized by: If the delivery information, unloading information, and package information are changed due to the occurrence of re-delivery or the addition of packages to be delivered,
The calculation unit searches for a new delivery route based on the changed delivery information, and calculates at least the loading position of the changed cargo based on the changed delivery information, the unloading information, and the package information. The loading position instructing device according to claim 1, further comprising: calculating the loading instruction information that instructs. The load measurement unit measures a load applied to the vehicle while the vehicle is running,
The determination unit calculates the center of gravity position of the vehicle based on the measurement result of the load measurement unit, and generates a warning signal if the center of gravity position is not within a specified range. 2. The loading position indicating device according to 2 . 4. The calculation unit recalculates the loading instruction information so that the center of gravity position of the vehicle while it is running falls within the specified range when the warning signal is generated. loading position indicating device. comprising a load sensor provided on the vehicle,
The load measurement unit measures the load applied to the vehicle based on the output of the load sensor, and detects the position where the load is applied. loading position indicating device.

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