Construction management system and construction management method

Abstract

To provide a construction management system and a construction management method which enable a supervisor to confirm a working result of a worker using a power tool in real time.SOLUTION: A construction management system 100 comprises: a machining unit 3 that carries out compression work for a wiring tool by a hydraulic force; a first control unit 11; a power tool 1A having a first operation panel 13; a second control unit 12 for receiving and storing machining data of the machining unit 3 transmitted from the first control unit 11; and an information terminal 1B having a second operation panel 14. The first control unit 11 transmits, to the second control unit 12, machining data containing an implementation compression number of times and implementation pressure detected by a pressure sensor 7b when the machining unit 3 carries out the compression work. The second control unit 12 receives the machining data and stores data as a compression work record, compares an implementation result of the compression work with an appropriate reference with respect to the wiring tool to determine acceptance, and displays a result of the acceptance determination together with the compression work record on the second operation panel 14.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a construction management system and a construction management method. [Background technology]

[0002] Power tools are used for compressing and crimping electric wires to crimp sleeves and crimping electric wires to crimp terminals. A processing information management device that manages processing information for power tools has been proposed (Patent Document 1: JP 2019-067265 A). Also, a construction management method has been proposed in which a power tool with a control adapter transmits processing data to an information terminal (Patent Document 2: JP 2023-172070 A). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2019-067265 [Patent Document 2] Japanese Patent Publication No. 2023-172070 Summary of the Invention [Problem to be solved by the invention]

[0004] In the past, the quality of compression work at overhead power line work sites was left to the judgment of the worker, and the supervisor checked the work records on the ground. Because the worker and supervisor were located far away from each other, it was difficult for the supervisor to check the work results of the worker using power tools in real time. [Means for solving the problem]

[0005] The present invention has been made in consideration of the above circumstances, and aims to provide a construction management system and a construction management method that allow a supervisor to check the results of work performed by workers using power tools in real time.

[0006] In one embodiment, the above problem is solved by the solution disclosed below.

[0007] The construction management system according to the present invention includes a die adapted to a wiring tool to be attached to an electric wire, a processing unit having a pressure sensor attached to the die and compressing the wiring tool with hydraulic pressure and detecting the pressure when the compression work is performed on the wiring tool, a first control unit connected to the processing unit by signal and capable of wireless connection with a second control unit, an electric tool having a first operation panel connected to the first control unit by signal and capable of receiving setting operations and displaying status, and the second control unit receiving processing data of the processing unit transmitted from the first control unit and storing the data as a compression work record. The information terminal is provided with a second operation panel that is signal-connected to the second control unit and is capable of accepting viewing operations and displaying the compression work record, and the first control unit transmits the processing data to the second control unit, including the number of compressions performed and the pressure detected by the pressure sensor when the processing unit performs the compression work, and the second control unit receives the processing data and stores it as the compression work record, compares the results of the compression work with the appropriate standards for the wiring fixture, makes a pass / fail judgment, and displays the pass / fail judgment result together with the compression work record on the second operation panel.

[0008] With this configuration, by sharing information between the power tool and the information terminal, the supervisor can check the results of the worker's work in real time, thereby preventing human error even at work sites where overhead power lines and the like are installed.

[0009] As one example, the information terminal has an application program installed that is compatible with the type of wire fitting, and the application program is launched to select one of the wire fittings to perform the compression work, and the power tool performs the compression work on the wire fitting, and the information terminal, linked to the power tool, displays the pass / fail judgment result on the second operation panel. As another example, the worker performs the compression work on the wire fitting using the power tool, and the information terminal, linked to the power tool, displays the pass / fail judgment result on the second operation panel, and a supervisor confirms the pass / fail judgment result. With this configuration, it is easy to select a wire fitting compatible with the electric wire at the work site from various wire fittings and quickly perform and install the compression work. As one example, the wire fitting compatible with the electric wire is selected from a pull-down menu on the display screen of the second operation panel.

[0010] As an example, when the applied pressure detected by the pressure sensor during the compression work does not reach the optimum standard, the first control unit displays an abnormal status on the first operation panel, and the second control unit displays an abnormal work on the second operation panel. With this configuration, when the compression work at the work site does not reach the optimum standard, the worker and the supervisor can simultaneously confirm that there is an abnormality. Therefore, human error can be prevented.

[0011] For example, the first control unit has a GPS circuit, and the second control unit acquires position data based on position information of the location where the wiring fixture is processed from the GPS circuit, links the data to the compaction work record, and stores the data. With this configuration, data necessary for work management can be linked to the work location data in the compaction work record, thereby achieving more detailed construction management.

[0012] The construction management method according to the present invention includes a die adapted to a wiring tool to be attached to an electric wire, a processing unit having a pressure sensor to which the die is attached and to which the wire tool is compressed by hydraulic pressure and to detect the pressure when the wire tool is compressed, a first control unit connected by signal to the processing unit and capable of wireless connection with a second control unit, an electric tool having a first operation panel connected by signal to the first control unit and capable of receiving setting operations and displaying statuses, the second control unit receiving processing data of the processing unit transmitted from the first control unit and storing the data as a compression work record, and The power tool further includes an information terminal having a second operation panel connected to the second control unit and capable of receiving viewing operations and displaying the compression work record. The first control unit transmits the processing data, including the number of compressions performed and the applied pressure detected by the pressure sensor when the processing unit performs the compression work, to the second control unit. The second control unit receives the processing data, stores the data as the compression work record, compares the results of the compression work with the appropriate standards for the wiring fixture, determines whether the result is acceptable, and displays the result of the determination on the second operation panel along with the compression work record. This configuration allows the power tool and the information terminal to share information, allowing a supervisor to check the results of the worker's work in real time. This prevents human error, even at work sites where overhead power lines and the like are installed. [Effects of the Invention]

[0013] According to the present invention, a supervisor can check the results of the work performed by workers in real time, thereby preventing human error even at work sites where overhead power lines and the like are installed. [Brief explanation of the drawings]

[0014] [Figure 1] FIG. 1 is a schematic external view showing an example of a construction management system according to an embodiment of the present invention. [Figure 2] FIG. 2 is a schematic circuit configuration diagram of the construction management system shown in FIG. [Figure 3]FIG. 3 is a schematic flowchart showing an example of the operation procedure of the construction management system according to this embodiment. [Figure 4] FIG. 4 shows an example of a display on the second operation panel in the construction management system of this embodiment. [Figure 5] FIG. 5 is a display example of the second operation panel in the construction management system of this embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0015] Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. This embodiment is a construction management system 100 that allows a supervisor to check the work results of a worker in real time by linking a power tool 1A and an information terminal 1B. FIG. 1 is a schematic external view showing an example of the construction management system 100 according to this embodiment. Here, an axis P1 is the center line of the piston 7a when it reciprocates. Note that in all drawings used to explain the embodiment, components having the same function are given the same reference numerals, and repeated explanations may be omitted.

[0016] As shown in Fig. 1, the power tool 1A includes a tool head 3a to which a die 70 is attached, a hydraulic pump 8, an electric motor 9, a first control unit 11 that controls the electric motor 9, a main body 2 to which the tool head 3a is attached, and a battery pack 5. The power tool 1A is a multifunctional tool in which the tool head 3a is replaceable, and is also a portable, cordless tool. The power tool 1A drives the electric motor 9 with power from the battery pack 5, and the driving force of the electric motor 9 drives the hydraulic pump 8. The hydraulic force of the hydraulic pump 8 reciprocates a piston 7a in a cylinder 7, thereby operating the tool head 3a.

[0017] The main body 2 is provided with, inside the housing 2a, a cylinder 7 in which a piston 7a is disposed, an oil tank 6, a hydraulic pump 8 connected to the cylinder 7 to send hydraulic oil from the oil tank 6 to the piston chamber of the cylinder 7, an electric motor 9 connected to the hydraulic pump 8 to drive the hydraulic pump 8, and a first control unit 11 that drives and controls the electric motor 9. As an example, the hydraulic pump 8 is a swash plate type piston pump having a swash plate cam that is rotated by the drive shaft of the electric motor 9.

[0018] The battery pack 5 is attached to the first control unit 11 when in use. The battery pack 5 supplies power to the electric motor 9 and the first control unit 11, and is detachably connected to a connection unit 2e provided at the bottom of the main body 2. The battery pack 5 is made up of a lithium-ion battery, a nickel-metal hydride battery, or the like. The battery pack 5 detects the battery temperature by detecting the resistance value of a thermistor 5a. The thermistor 5a is signal-connected to the second control unit 12. As an example, the battery pack 5 is made up of a large-capacity lithium-ion battery made up of a large number of cells, and the power supply voltage that can be supplied with DC is 12 to 24V.

[0019] The first operation panel 13 is disposed on the rear side of the connection part 2e. The connection part 2e is connected to the handle 2d of the main body part 2. Note that, as a configuration other than the above, the first operation panel 13 may be disposed on the front side of the connection part 2e. Also, as a configuration other than the above, the first operation panel 13 may be disposed on a control adapter that connects the connection part 2e and the battery pack 5.

[0020] The handle 2d is a handle that is held by the operator and has a start switch 2c disposed thereon. When the operator presses the start switch 2c, the electric motor 9 and the first control unit 11 become operable.

[0021] The information terminal 1B includes a second control unit 12, a second operation panel 14 that is signal-connected to the second control unit 12 and is capable of accepting viewing operations and displaying the compressed work record, and a battery pack 35. The wireless communication standard used by the second control unit 12 is compatible with the information terminal 1B and may be compliant with Bluetooth (registered trademark), ZigBee (registered trademark), SIGFOX (registered trademark), LoRa (registered trademark), NB-IoT, LPWA, NFC, Wi-Fi (registered trademark), wireless LAN, BLE (Bluetooth (registered trademark)-Low-Energy), or other known wireless communication standards. The information terminal 1B may be a mobile information terminal such as a smartphone or tablet PC, or a portable wireless communication device.

[0022] First operation panel 13 is configured to be capable of displaying images, and may be a liquid crystal display, organic EL display, etc. First operation panel 13 has first button 21 and remaining battery capacity indicator lamp 26. Pressing first button 21 once turns on remaining battery capacity indicator lamp 26, allowing the user to know the remaining electrical capacity.

[0023] Pressing the first button 21 twice initiates wireless communication with the information terminal 1B. As an example, the wireless communication is performed by pairing with the information terminal 1B via Bluetooth (registered trademark). The communication confirmation lamp 23 flashes green while the Bluetooth (registered trademark) is in communication standby mode or during pairing. When pairing with the information terminal 1B via Bluetooth (registered trademark) is complete, the communication confirmation lamp 23 lights up green. In the event of an abnormality, the communication confirmation lamp 23 lights up red. As an example, an abnormality occurs when the output value of the pressure sensor 7b falls below the specified value or appropriate standard three times in a row. As an example, when the compression operation reaches 5,000 times, the communication confirmation lamp 23 lights up red to notify that regular maintenance of the power tool 1A is required.

[0024] The first operation panel 13 has a work confirmation lamp 22. As an example, the work confirmation lamp 22 lights up in green when the compression work is completed normally. When the compression work is stopped due to incompletion of the compression work, the work confirmation lamp 22 flashes in red.

[0025] The first operation panel 13 has a GPS indicator lamp 24. When the power tool 1A receives a radio signal from a satellite via a GPS (Global Positioning System) and acquires position information, the GPS indicator lamp 24 lights up in green.

[0026] The first operation panel 13 has a second button 25. Pressing the second button 25 once switches the power tool 1A to the first mode, and when the compression operation is completed successfully, the buzzer emits a single notification sound indicating completion of the operation. When the compression operation is stopped due to incompleteness, the power tool 1A emits a three-time notification sound indicating completion of the operation. In addition to the above, the remaining battery charge can be indicated by a sound that varies depending on the number of times the second button 25 is pressed.

[0027] 2 is a schematic circuit diagram of the construction management system 100. The construction management system 100 includes a power tool 1A and an information terminal 1B. The power tool 1A includes a processing unit 3 that hydraulically compresses a wiring fitting 50, such as a sleeve or terminal, to which an electric wire 98 is attached, a first control unit 11, and a first operation panel 13. The information terminal 1B includes a second control unit 12 that receives processing data of the processing unit 3 transmitted from the first control unit 11 and stores the data, and a second operation panel 14.

[0028] As shown in FIG. 2, the power tool 1A is used for electrical installation work to process a wiring tool 50, including compressing an electric wire 98 and a crimping sleeve 51, compressing an electric wire 98 and a crimping terminal 52, and other known operations such as crimping electric wire terminals or electric wires together. The processing unit 3 includes a pressure sensor 7b disposed in the cylinder chamber of the cylinder unit 7 for detecting the pressure applied when processing the wiring tool 50. The output of the pressure sensor 7b is signal-connected to the CPU 11a via the control circuit 4. The processing unit 3 includes a temperature sensor 9a disposed in the housing of the electric motor 9 for detecting temperature, and the output of the temperature sensor 9a is signal-connected to the CPU 11a via the control circuit 4. A one-chip microcomputer can be used as the CPU 11a. Alternatively, the CPU 11a may directly receive detection signals from the pressure sensor 7b and the temperature sensor 9a.

[0029] The first control unit 11 has a control circuit 4, a CPU 11a, a first operation panel 13, a GPS circuit 15, a communication circuit 16, a power supply circuit 17, a timer 18, and a memory 19. The GPS circuit 15 has a GPS receiving function, and acquires position data based on position information of the location where the wiring tool 50 is to be processed, and time data based on time information when the wiring tool 50 is processed.

[0030] The second control unit 12 is configured to be able to acquire tool data held by the first control unit 11. The second control unit 12 has a CPU 12a, a second operation panel 14, a communication circuit 36, a power supply circuit 37, a timer 38, a memory 31, and a memory 91 in which an application program 90 is installed.

[0031] The battery pack 35 is attached to the second control unit 12 when in use. The battery pack 35 supplies power to the second control unit 12. The battery pack 35 is made up of a lithium ion battery, a nickel-metal hydride battery, or the like. As an example, the battery pack 35 is made up of a large-capacity lithium ion battery that combines many cells, and the power supply voltage that can be supplied with DC power is 9 to 24 V.

[0032] The first control unit 11 transmits processing data including the number of compressions and the pressure detected by the pressure sensor 7b when the processing unit 3 performs compression work to the second control unit 12, and the second control unit 12 receives the processing data and stores the data as a compression work record, compares the results of the compression work with the appropriate standards for the wiring tool, makes a pass / fail judgment, and displays the pass / fail judgment result together with the compression work record on the second operation panel 14.

[0033] 3 is a schematic flow chart showing an example of the operation procedure of the construction management system 100 according to this embodiment. The operation procedure of the construction management system 100 will now be described.

[0034] In step S1 of Fig. 3, the supervisor starts the application program 90 of the information terminal 1B, selects from a pull-down menu one of the wire fittings to be used for the compression work, and wirelessly connects it to the power tool 1A. Alternatively, the information terminal 1B is wirelessly connected to the power tool 1A, and the supervisor selects and inputs the wire fitting to be used for the compression work. Alternatively, the worker presses the first button 21 of the power tool 1A twice to start wireless communication with the information terminal 1B. The wireless communication is performed by pairing using Bluetooth (registered trademark). When the pairing is complete, the process proceeds to step S2.

[0035] 3, the first operation panel 13 of the power tool 1A is set to the first state. In the first state, the communication confirmation lamp 23 is lit in green, and the GPS indicator lamp 24 is lit in green. When the power tool 1A is set to the first state, the process proceeds to step S3.

[0036] In step S3 of Fig. 3, the worker operates the power tool 1A to perform the compression work a specified number of times, for example, three times. In synchronization with the worker's operation of the power tool 1A, the first control unit 11 controls the control circuit 4 to cause the processing unit 3 to start the compression work, detects the pressure of the tool head 3a during crimping with the pressure sensor 7b, and acquires processing data including the detected pressure signal. Once the processing data is acquired, the process proceeds to step S4.

[0037] 3, the first control unit 11 determines whether the acquired processed data is within an appropriate range. If it is determined that the processed data is within the appropriate range, the process proceeds to step S6. If it is determined that the processed data is outside the appropriate range, the process proceeds to step S4B.

[0038] 3, when it is determined that the processing data is out of the appropriate range, the first control unit 11 sends an error signal to the first operation panel 13 to display the error. After the error is displayed on the first operation panel 13, the process proceeds to step S6.

[0039] In step S6 of FIG. 3, the first control unit 11 transmits to the second control unit processing data including the number of compressions performed and the applied pressure detected by the pressure sensor 7b when the processing unit 3 performed the compression work.

[0040] In step S7 of FIG. 3, the second control unit 12 receives the processed data, stores the data as the compression work record, compares the results of the compression work with the appropriate standards for the wiring tool 50, makes a pass / fail determination, and displays the pass / fail determination result together with the compression work record on the second operation panel 14.

[0041] Figure 4 is an example of the display on the second operation panel 14 in the construction management system 100. The "constructor" in the figure is the same as the "worker." Additionally, the "overall judgment" in the figure is the same as the "pass / fail judgment." As shown in Figure 4, the second operation panel 14 displays the worker, sleeve, die, appropriate number of crimps, work start time, work end time, appropriate output, and pass / fail judgment. The supervisor checks the pass / fail judgment result, and if it is passed, determines that the work is complete. The supervisor checks the pass / fail judgment display, and if it is failed, orders the worker to redo the work.

[0042] Figure 5 shows an example of the display on the second operation panel 14 in the construction management system 100 when a prototype application program 90 was installed and tested on an information terminal 1B, a commercially available laptop personal computer. The user information in the figure has the same meaning as worker identification information. The work status in the figure has the same meaning as a pass / fail judgment. As shown in Figure 5, the second operation panel 14 displays the worker, number of operations, time, work status, and output value (output unit is kN). The supervisor checks the display of the work status and determines that the work is complete if it is pass. The supervisor checks the display of the work status and orders the worker to redo the work if it is fail.

[0043] According to this embodiment, a supervisor can check the results of the work performed by the workers in real time, thereby preventing human error even at work sites where overhead power lines and the like are installed.

[0044] In the above example, a case where a crimp terminal or a crimp sleeve is compressed and crimped as the wiring tool 50 has been described, but the present invention is not limited to this example. This embodiment can be applied to electrical installation work in general. The present invention is not limited to the above-described example, and various modifications are possible within the scope of the present invention. [Explanation of symbols]

[0045] 1A Power tools, 1B Information terminals 2 Main body, 2a Housing, 2c Start switch, 2d Handle, 2e Connection part 3 machining part, 3a tool head 4 Control Circuit 5 Battery pack, 5a Thermistor, 5b 4th connection 6. Oil Tank 7 Cylinder section, 7a Piston, 7b Pressure sensor 8 Hydraulic Pump 9 Electric motor, 9a Temperature sensor 11 First control unit, 11a CPU 12 second control unit, 12a CPU 13 First operation panel 14 Second operation panel 15 GPS circuit 16 Communication Circuits 17 Power circuit 18 Timer 19 Memory 21 First button 22 Operation confirmation lamp 23 Communication confirmation lamp 24 GPS indicator lamp 25 Second Button 26 Battery level indicator lamp 31 memory 35 Battery pack 36 Communication Circuit 37 Power supply circuit 38 Timer 50 Wiring fittings 70 dice 90 Application Programs 100 Construction Management System P1 axis

Claims

1. an electric tool comprising: a die adapted to a wiring tool to be attached to an electric wire; a processing unit having a pressure sensor attached to the die and compressing the wiring tool with hydraulic force and detecting the pressure when compressing the wiring tool; a first control unit connected by signal to the processing unit and capable of wireless connection with a second control unit; a first operation panel connected by signal to the first control unit and capable of receiving setting operations and displaying status; the second control unit receiving processing data of the processing unit transmitted from the first control unit and storing the data as a compression work record; and an information terminal connected by signal to the second control unit and having a second operation panel capable of receiving viewing operations and displaying the compression work record, the first control unit transmits the processing data to the second control unit, the processing data including the number of compressions performed and the pressure detected by the pressure sensor when the processing unit performs the compression work; The second control unit receives the processing data, stores the data as the compression work record, compares the results of the compression work with appropriate standards for the wiring tool, determines whether the compression work is successful or not, and displays the results of the pass / fail determination on the second operation panel together with the compression work record. A construction management system characterized by:

2. An application program compatible with the type of the wire fitting is installed in the information terminal, the application program is started to select one of the wire fittings to be subjected to the compression work, the compression work is performed on the wire fitting by the power tool, and the information terminal, linked to the power tool, displays the result of the pass / fail determination on the second operation panel. The construction management system according to claim 1,

3. When the pressure detected by the pressure sensor during the compression operation does not reach the appropriate standard, the first control unit displays an abnormal state on the first operation panel, and the second control unit displays an abnormal operation on the second operation panel.

3. The construction management system according to claim 1 or 2,

4. The first control unit has a GPS circuit, and the second control unit acquires position data based on position information of a location where the wiring tool is processed from the GPS circuit, and stores the data by linking it to a record of the compression work.

3. The construction management system according to claim 1 or 2,

5. an electric tool comprising: a die adapted to a wiring tool to be attached to an electric wire; a processing unit having a pressure sensor attached to the die and compressing the wiring tool with hydraulic force and detecting the pressure when compressing the wiring tool; a first control unit connected by signal to the processing unit and capable of wireless connection with a second control unit; a first operation panel connected by signal to the first control unit and capable of receiving setting operations and displaying status; the second control unit receiving processing data of the processing unit transmitted from the first control unit and storing the data as a compression work record; and an information terminal connected by signal to the second control unit and having a second operation panel capable of receiving viewing operations and displaying the compression work record, the first control unit transmits the processing data to the second control unit, the processing data including the number of compressions performed and the pressure detected by the pressure sensor when the processing unit performs the compression work; The second control unit receives the processing data, stores the data as the compression work record, compares the results of the compression work with appropriate standards for the wiring tool, determines whether the compression work is successful or not, and displays the results of the pass / fail determination on the second operation panel together with the compression work record. A construction management method characterized by the above.

6. An application program compatible with the type of the wire fitting is installed in the information terminal, and the application program is started to select one of the wire fittings to be subjected to the compression work, and the worker performs the compression work on the wire fitting using the power tool, and the information terminal, linked to the power tool, displays the result of the pass / fail judgment on the second operation panel, and a supervisor confirms the result of the pass / fail judgment. The construction management method according to claim 5,

7. When the pressure detected by the pressure sensor during the compression operation does not reach the appropriate standard, the first control unit displays an abnormal state on the first operation panel, and the second control unit displays an abnormal operation on the second operation panel.

7. The construction management method according to claim 5 or 6,

8. The first control unit has a GPS circuit, and the second control unit acquires position data based on position information of a location where the wiring tool is processed from the GPS circuit, and stores the data by linking it to a record of the compression work.

7. The construction management method according to claim 5 or 6,

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