JP3200967U - Timing device - Google Patents

Abstract

There is provided a timing device capable of outputting information based on a usage time when the tool is used, while suppressing the complexity of the structure of the pneumatic tool. A detection unit 22 is provided in the middle of a supply flow path 14 for supplying air from an air supply source to a pneumatic tool, and detects a flow of air flowing from the supply source toward the tool, and a detection unit 22 A time counting unit 26 that counts the flow time during which the air flows based on the detection result, and an output unit 27 that outputs information based on the flow time counted by the time counting unit 26. [Selection] Figure 2

Description

  The present invention relates to a timing device that measures the usage time of a pneumatic tool driven by, for example, pressurized air.

  Conventionally, for example, in a vibration tool (tool) that vibrates in driving, a usable time is determined according to the magnitude of vibration. Further, among vibration tools, there is known a tool provided with vibration detection means for detecting vibration to be added to a human body (for example, Patent Document 1).

  In this vibration tool, the limit time is calculated based on the detected vibration, and the remaining margin time (remaining time) is calculated from the work time (use time) and the limit time of the vibration tool and displayed on the display unit. It was.

JP-A-10-323330

  By the way, the pneumatic vibration tool driven by air does not require electric power for driving. For this reason, the pneumatic vibration tool including the vibration detecting means and the display unit needs to have a dedicated electric wiring for display, and the structure is complicated.

  The present invention has been made in view of such circumstances, and its purpose is to provide a timing device that can output information based on the usage time of the tool while suppressing the complexity of the structure of the pneumatic tool. It is to provide.

Hereinafter, means for solving the above problems will be described.
A timing device that solves the above problem is provided in the middle of a supply flow path for supplying the air from an air supply source to a pneumatic tool, and detects the flow of the air flowing from the supply source toward the tool. A detection unit; a timing unit that counts a flow time during which the air flows based on a detection result of the detection unit; and an output unit that outputs information based on the flow time measured by the timing unit.

  In the pneumatic tool, the flow time during which the air flows and the usage time during which the tool is used are substantially the same. Therefore, according to this configuration, by measuring the flow time of the air flowing through the supply channel, the usage time of the tool can be acquired without providing the tool with an electrical configuration directly. Further, the output unit outputs information based on the flow time. Therefore, it is possible to output information based on the usage time of the tool while suppressing the complexity of the structure of the pneumatic tool.

  The timing device includes an input unit for inputting vibration information related to the vibration of the tool that generates vibrations when driven, a storage unit for storing the input vibration information, the flow time, and the vibration information. It is preferable to further include an acquisition unit that acquires a remaining time during which the tool can be used, and the output unit outputs the remaining time.

  For example, in the case of a tool that vibrates with driving, the time in which the tool can be used may be limited. In that respect, according to this configuration, the acquisition unit acquires the remaining time that the tool can be used based on the vibration information stored in the storage unit and the flow time measured by the timing unit, and the output unit further includes the remaining time. Can be used to improve convenience.

It is preferable that the timing device further includes a measuring unit that measures at least one of a flow rate and a pressure of the air flowing through the supply flow path.
According to this configuration, the measuring unit that measures at least one of the air flow rate and the pressure is provided. Therefore, for example, air can be supplied efficiently by supplying air from a supply source based on the measurement result of the measurement unit.

It is preferable that the timing device further includes a notification unit that notifies the information output from the output unit.
According to this configuration, the notification unit notifies the information output from the output unit, so that convenience can be further improved.

It is preferable that the timing device further includes a power generation unit that generates power with the flow of the air.
According to this configuration, by using the power generated by the power generation unit, for example, a configuration without a wiring for connecting to an external power source can be provided.

  According to the timing device of the present invention, it is possible to output information based on the usage time when the tool is used while suppressing the complexity of the structure of the pneumatic tool.

The schematic diagram of 1st Embodiment of a time measuring device. The block diagram of a time measuring device. The perspective view of 2nd Embodiment of a time measuring device. The model fragmentary sectional view of a timing device. The perspective view of the modification of a time measuring device.

(First embodiment)
Hereinafter, 1st Embodiment of a time measuring device is described according to drawing.
As shown in FIG. 1, the timing device 11 includes a plurality of (two in this embodiment) first connection portions 15 a that can be connected to a supply flow path 14 that supplies air from a supply source 12 to a pneumatic tool 13. 2nd connection part 16a is provided.

  The supply source 12 is, for example, a compressor that supplies compressed air (air) that has been pressurized and compressed. The tool 13 is a hand-held vibration tool that is gripped by a user and used for polishing or the like. The tool 13 is connected to the downstream end of the supply flow path 14 in the air flow direction X, and is driven by the air supplied from the supply source 12 connected to the upstream end of the supply flow path 14.

  The timing device 11 includes a display unit 17 that is an example of a notification unit, and an input unit 18 such as a button for inputting vibration information related to the vibration of the tool 13 that generates vibrations when driven. That is, the display unit 17 notifies the user by display.

  Further, the supply flow path 14 is provided with a first connected portion 15b to which the first connecting portion 15a can be connected and a second connected portion 16b to which the second connecting portion 16a can be connected. In addition, the 1st to-be-connected part 15b and the 2nd to-be-connected part 16b are a pair of sexes, for example, Comprising: When the timing device 11 is not connected, it can mutually connect. Further, the supply flow path 14 is provided with a pressure regulator 19 for adjusting the air pressure.

  As shown in FIG. 2, the timing device 11 includes a connection flow path 21 that forms a part of the supply flow path 14 by connecting to the supply flow path 14 via the first connection portion 15 a and the second connection portion 16 a. I have. Furthermore, the timing device 11 includes a detection unit 22 that detects the flow of air in the connection flow path 21 and a power generation unit 23 that generates power in accordance with the flow of air. That is, the detection unit 22 is provided in the middle of the supply flow path 14 and detects the flow of air flowing in the flow direction X from the supply source 12 toward the tool 13. And the electric power generation part 23 produces electric power, when the wing | blade part 24 provided in the connection flow path 21 rotates with the flow of air.

  In addition, the timing device 11 includes a control unit 25 that controls the timing device 11 in an integrated manner. The control unit 25 includes a time measuring unit 26 that measures the flow time during which air flows based on the detection result of the detection unit 22, and an output unit 27 that outputs information based on the flow time measured by the time measuring unit 26. . Furthermore, the control unit 25 includes a storage unit 28 that stores the vibration information input by the input unit 18 and an acquisition unit 29 that acquires the remaining time in which the tool 13 can be used based on the flow time and the vibration information. Yes.

Next, an operation when the time measuring device 11 measures the flow time will be described.
First, the user operates the input unit 18 to input vibration information of the tool 13. Then, the storage unit 28 stores the input vibration information. The vibration information of the present embodiment is a three-axis composite value (hereinafter, also referred to as “vibration value”) a [m / s ² ] of the frequency-corrected vibration acceleration effective value of the tool 13. The vibration value a is measured by the manufacturer or importer of the tool 13 and is displayed on the main body of the tool 13, an instruction manual, a catalog, a homepage, or the like. And if the vibration value a is input, the acquisition part 29 will calculate the time limit which can use the tool 13 within one day based on the following (1) Formula.

The limit time is a time T when the daily vibration exposure A (8) is 5.0 [m / s ² ]. Specifically, for example, when a = 5 is input, the limit time is 8 hours. For example, when a = 10 is input, the limit time is 2 hours. The storage unit 28 stores the time limit acquired by the acquisition unit 29.

  Now, when the tool 13 is used, the air in the supply flow path 14 flows in the flow direction X. That is, air also flows in the connection flow path 21 that constitutes a part of the supply flow path 14. And if the detection part 22 detects the flow of air, the time measuring part 26 will time the flow time when the air flowed.

  Furthermore, the acquisition unit 29 acquires the remaining time in which the tool 13 can be used based on the limit time stored in the storage unit 28 and the flow time measured by the time measuring unit 26. That is, the acquisition unit 29 calculates the remaining time by subtracting the flow time from the limit time. Then, the output unit 27 outputs the remaining time as information based on the flow time to the display unit 17, and the display unit 17 displays the remaining time output from the output unit 27.

According to the first embodiment, the following effects can be obtained.
(1) In the pneumatic tool 13, the flow time during which air flows and the use time during which the tool 13 is used are substantially the same. Therefore, by measuring the flow time of the air flowing through the supply flow path 14, the usage time of the tool 13 can be acquired without providing the tool 13 with an electrical configuration directly. Further, the output unit 27 outputs information based on the flow time. Therefore, it is possible to output information based on the usage time when the tool 13 is used while suppressing the complexity of the structure of the pneumatic tool 13.

  (2) For example, in the case of the tool 13 that vibrates with driving, the time during which the tool 13 can be used may be limited. On that point, the acquisition unit 29 acquires the remaining time in which the tool can be used based on the vibration information stored in the storage unit 28 and the flow time measured by the timer unit 26, and the output unit 27 outputs the remaining time. Therefore, convenience can be improved.

(3) The display unit 17 displays the information output from the output unit 27, so that convenience can be further improved.
(4) By using the power generated by the power generation unit 23, for example, a configuration without wiring for connecting to an external power source can be provided.

(Second Embodiment)
Next, a second embodiment of the timing device will be described with reference to the drawings. The second embodiment is different from the first embodiment in the number of connection parts and items to be displayed. And since it is substantially the same as 1st Embodiment in another point, the overlapping description is abbreviate | omitted by attaching | subjecting the same code | symbol about the same structure.

  As shown in FIG. 3, the substantially rectangular parallelepiped timing device 31 includes a plurality of (for example, four) first connection portions 32 a to fourth connection portions 32 d (see FIG. 4), one on each side surface. ing. The supply channel 14 is connected to any two of the first connection part 32a to the fourth connection part 32d by a connection member (not shown). FIG. 3 illustrates a state where the supply flow path 14 is connected to the first connection portion 32a and the second connection portion 32b. And the 3rd connection part 32c and the 4th connection part 32d which are not connected to the supply flow path 14 are sealed with the sealing member 33.

  Furthermore, the timing device 31 includes a power port 34 to which a power cable (not shown) can be connected. That is, the time measuring device 31 is driven by power supplied via a power cable (not shown) connected to the power port 34.

  As shown in FIG. 4, the timing device 31 includes a first branch channel 35a provided with a first connection part 32a, a second branch channel 35b provided with a second connection part 32b, and a third connection part. The third branch flow path 35c provided with 32c and the fourth branch flow path 35d provided with the fourth connection portion 32d are provided. And each branch flow path 35a-35d is mutually connected via the communication part 36. As shown in FIG.

  In addition, the communication unit 36 is provided with a flow rate sensor 38 that is an example of a measurement unit that measures the flow rate of air, and a pressure sensor 39 that is an example of a measurement unit that measures the pressure of air. The branch flow paths 35 a to 35 d and the communication portion 36 are configured so that a part of the supply flow path 14 for supplying air from the supply source 12 to the tool 13 is obtained by connecting the supply flow path 14 to the connection portions 32 a to 32 d. Configure.

Next, the operation when the time measuring device 31 measures the flow time will be described.
As shown in FIG. 3, the upstream supply channel 14 in the flow direction X is connected to the first connection portion 32 a, and the downstream supply channel 14 is connected to the second connection portion 32 b. It is assumed that

  Now, as shown in FIG. 4, when the tool 13 is used, the air flowing in from the first connection part 32a flows in the order of the first branch flow path 35a, the communication part 36, and the second branch flow path 35b. It flows out of the second connection part 32b. At this time, the flow sensor 38 measures the air flow rate, and the pressure sensor 39 measures the air pressure.

  Further, the timer unit 26 measures the air flow time based on the detection result of the flow sensor 38. That is, the timer 26 measures the time when the instantaneous flow rate measured by the flow sensor 38 is greater than zero as the flow time during which the air flows. Therefore, the flow sensor 38 of this embodiment also functions as an example of a detection unit that is provided in the middle of the supply flow path 14 and detects the flow of air.

  Then, the output unit 27 outputs the remaining time acquired by the acquisition unit 29 in the same manner as in the first embodiment, the air flow rate measured by the flow sensor 38, and the air pressure measured by the pressure sensor to the display unit 17. The display unit 17 displays these pieces of information.

According to the said 2nd Embodiment, in addition to the effect of (1)-(4) of the said 1st Embodiment, the following effects can be acquired.
(5) A flow sensor 38 for measuring the air flow rate and a pressure sensor 39 for measuring the air pressure are provided. Therefore, for example, air can be supplied efficiently by supplying air from the supply source 12 based on the measurement results of the flow sensor 38 and the pressure sensor 39.

(6) Convenience can be improved by displaying the air flow rate measured by the flow rate sensor 38 and the air pressure measured by the pressure sensor 39 on the display unit 17.
(7) Since the branch flow paths 35a to 35d communicate with each other via the communication section 36, air is communicated with the communication section 36 regardless of the connection flow path 14 connected to any of the connection sections 32a to 32d. Flow. Therefore, by providing the flow rate sensor 38 and the pressure sensor 39 in the communication portion 36, the air flow rate and pressure can be measured regardless of the connection portions 32a to 32d to which the supply flow path 14 is connected.

  (8) By providing three or more connection portions 32a to 32d, it is possible to select the connection portions 32a to 32d suitable for the arrangement of the supply flow path 14 and the display unit 17 and connect the supply flow path 14. That is, the timing device 31 can be arranged in a direction that is easy for the user to check while suppressing the supply channel 14 from being routed.

In addition, you may change the said embodiment as follows.
In each of the above embodiments, as illustrated in FIG. 5, the timing device 41 may include a communication port 42 to which a communication cable (not shown) such as a USB cable can be connected (modified example). That is, the output unit 27 may output information based on the flow time to an external device such as a computer via a communication cable connected to the communication port 42.

  In each of the above embodiments, the output unit 27 may output information based on the flow time to an external device wirelessly. The output unit 27 may output information to a removable storage medium, and the external device may acquire information from the storage medium.

  In each of the above embodiments, the output unit 27 may output the flow time to an external device, and the acquisition unit 29 may acquire the remaining time calculated in the external device. The input unit 18 and the storage unit 28 may be provided in an external device.

  In each of the above embodiments, when the output unit 27 outputs information to an external device, the timing devices 11 and 31 may not include the notification unit. Moreover, you may provide an alerting | reporting part in an external apparatus.

  In each of the above embodiments, the timing devices 11 and 31 may include the supply channel 14. That is, for example, the timing device 11 and the supply channel 14 may be fixed and connected to the supply source 12 and the tool 13 by connecting portions provided at the upstream end and the downstream end of the supply channel 14.

  In each of the above embodiments, the timing devices 11 and 31 may be disposed between the supply source 12 and the supply flow path 14 in the flow direction X. Further, the time measuring devices 11 and 31 may be arranged between the supply flow path 14 and the tool 13 in the flow direction X.

  In the above embodiments, a plurality of tools 13 may be connected to the supply channel 14. That is, for example, air supplied from one supply source 12 may be supplied to a plurality of tools 13. One timing device 11, 31 may be provided for the pneumatic system including the supply source 12, the supply flow path 14, and the tool 13. Moreover, you may provide several time measuring apparatus 11 and 31 with respect to a pneumatic system. For example, the time measuring devices 11 and 31 may be provided so as to individually correspond to one tool 13. Further, the time measuring devices 11 and 31 may be provided so as to correspond to the plurality of tools 13. In the case where the timing devices 11 and 31 are provided so as to correspond to the plurality of tools 13, the tools 13 may be connected by branching the supply flow path 14 on the downstream side of the timing devices 11 and 31. Further, three or more supply channels 14 are connected to a timing device 31 including three or more connection portions 32 a to 32 d, and the air flowing from one supply channel 14 is supplied to two or more supply channels 14. It may be discharged and supplied to the tool 13.

  In each of the above embodiments, the timing devices 11 and 31 may include at least one of the power port 34 and the power generation unit 23. That is, the time measuring devices 11 and 31 may be configured not to include the power generation unit 23. Moreover, the time measuring devices 11 and 31 may be driven by electric power supplied from a battery such as a dry battery, a storage battery, or a solar battery. In this case, the power supply port 34 and the power generation unit 23 may not be provided.

  In each of the above embodiments, the notification unit can be arbitrarily selected as long as it can notify the user. For example, the notification unit may be a sound tool such as a speaker, a chime, a buzzer, a bell, or a bell that notifies by sound. The notification unit may be a light emitting unit such as a light emitting diode (LED) that is notified by light, a fluorescent lamp, a light bulb, or a xenon lamp, or a vibration unit that is notified by vibration. For example, the display unit 17 may be an LED display or a 7-segment LED in which a plurality of LEDs are arranged side by side, a liquid crystal display, or an EL display. Furthermore, the notification unit may be a valve that notifies by shutting off the supply of air at the timing when the remaining time becomes zero. Then, the notification unit may notify, for example, when the flow time or the remaining time becomes a preset time or when the remaining time becomes zero. That is, for example, when a sound tool is provided as a notification unit, the notification may be performed by making a sound or playing a voice message or music. When a light emitting unit or a vibration unit is provided as the notification unit, the light emission pattern or the vibration pattern may be changed at each timing to notify. Further, the notification unit may notify by combining these.

  In the above embodiments, the flow sensor 38 and the pressure sensor 39 may not be provided. Moreover, it is good also as a structure provided with either one of the flow sensor 38 or the pressure sensor 39. FIG. The flow sensor 38 can be arbitrarily selected from a thermal type, an ultrasonic type, a Coriolis type, a Karman vortex type, a float type, a diaphragm type, and the like.

  In each of the above embodiments, the input unit 18 may include a reset button. Then, when the reset button is operated, the measured flow time may be reset. In addition, the time measuring devices 11 and 31 may include a clock, and may reset the flow time at a timing when the date changes, a preset timing, a timing when 24 hours have elapsed from the time when the flow time is started, or the like.

  In each of the above embodiments, the output unit 27 may output the flow time counted by the time measuring unit 26 as information based on the flow time. That is, the display unit 17 may display the flow time. Further, for example, the display of the flow time and the remaining time may be switched by operating the input unit 18.

  In each of the above embodiments, the output unit 27 may output the instantaneous flow rate or the integrated flow rate (air consumption) measured by the flow rate sensor 38 to the display unit 17 or the like. Further, the instantaneous pressure, the maximum pressure, the average pressure, or the like measured by the pressure sensor 39 may be output to the display unit 17 or the like. Further, for example, these displays may be switched by operating the input unit 18.

  In each of the above embodiments, user information regarding the user may be input from the input unit 18, and the storage unit 28 may store the input user information. That is, the timing devices 11 and 31 may be shared by a plurality of people. And when inputting several user information, you may time the flow time for every user. Further, the output unit 27 may output the flow time counted for each user in association with the user information, and the display unit 17 may display the user information. The user information may be input in advance and stored in the storage unit 28, and the user information may be selected by operating the input unit 18 during use.

  Specifically, when the tool 13 is used in a state where the first user information related to the first user is selected, the storage unit 28 associates the measured flow time with the first user information. Remember 1 flow time. And if the tool 13 is used in the state in which the 2nd user information regarding the 2nd user different from a 1st user is selected, the time measuring part 26 will time after resetting flow time. Furthermore, the memory | storage part 28 memorize | stores the 2nd flow time which linked | related the measured flow time and 2nd user information. When the user information related to the flow time stored in the storage unit 28 is selected, the time measuring unit 26 measures time from the continuation of the flow time stored in the storage unit 28. That is, for example, when the first user information is selected, the time counting unit 26 counts the time following the first flow time stored in the storage unit 28.

  In each embodiment described above, a limit time may be input as an example of vibration information of the tool 13. Then, the storage unit 28 may store the input limit time, and the acquisition unit 29 may acquire the remaining time by subtracting the flow time from the limit time.

  In the above embodiments, the tool 13 may be replaceable. Then, the acquisition unit 29 may acquire the remaining time again based on the vibration information of the replaced tool 13. Note that the remaining time when tools 13 having different vibration values a are connected is calculated based on the following equation (2).

Specifically, for example, the case where the tool 13 with the vibration value a = 10 is connected after the tool 13 with the vibration value a = 5 is used for 4 hours will be described. Since the limit time is the time T when the daily vibration exposure amount A (8) is 5.0 [m / s ² ], the time T in the following equation (3) is the remaining time. In this case, the time T = 1, and the remaining time in which the tool 13 having the vibration value a = 10 can be used is 1 hour.

Even when three or more tools 13 are used, the acquisition unit 29 similarly acquires the remaining time based on the above equation (2).

  In each of the above embodiments, the vibration value a of the tool 13 may be stored in advance in the storage unit 28 in association with the limit time or tool information. Then, the user may select the vibration value a and tool information by operating the input unit 18.

  In each embodiment described above, the detection unit 22 may be a flow rate sensor. And the time measurement part 26 may time the time when the flow velocity which the flow velocity sensor detected became larger than zero.

  In each of the above embodiments, the power generation unit 23 that generates power with the flow of air generates power when the air flows and does not generate power while the air is stopped. Therefore, the time counting unit 26 may count the time when the power generation unit 23 generates power as the flow time. That is, the power generation unit 23 may function as an example of the detection unit. Moreover, the detection part 22 is good also as a sensor which can detect only the flow of air.

  In each of the above embodiments, the supply source 12 includes a compressor (compressor) that compresses air based on driving of an electric motor or an internal combustion engine, an air pump that is operated manually, a tank that stores pressurized air, It may be a cylinder.

  In each of the above embodiments, the supply flow path 14 may be configured by a flexible hose or tube, or a rigid cylinder or pipe. Moreover, you may comprise combining these.

  The pneumatic tool 13 is a tool driven by air and can be arbitrarily selected. Moreover, the tool 13 connected to the supply flow path 14 may be exchangeable or detachable or not. Furthermore, the tool 13 is not limited to a hand-held type, but may be a stationary type. For example, the tool 13 may be a spray gun or an air brush for spraying a liquid, an air water gun for discharging a liquid such as water, a blower, or the like. The tool 13 may be a pneumatic vibration tool that generates vibrations when driven, and examples thereof include the following. Tucker (nailing machine) and nail gun (nailing machine) that shoot out needles and nails. Wrench, wrench to rotate the driver, impact wrench, screwdriver, impact driver (fastening machine). A hammer that strikes rivets. Sander, grinder, keren (polishing machine) for rust removal and polishing. Jigsaw or reciprocating saw (cutting machine) that cuts by reciprocating the saw blade. Drills for drilling holes and breakers for cutting asphalt and concrete.

  DESCRIPTION OF SYMBOLS 11, 31, 41 ... Timing device, 12 ... Supply source, 13 ... Tool, 14 ... Supply flow path, 17 ... Display part (an example of alerting | reporting part), 18 ... Input part, 21 ... Connection flow path (of supply flow path) Example), 22 ... detection unit, 23 ... power generation unit (an example of detection unit), 26 ... timer unit, 27 ... output unit, 28 ... storage unit, 29 ... acquisition unit, 35a to 35d ... branch channel (supply channel) ), 36... Connecting part (an example of a supply flow path), 37... Flow sensor (an example of a detection part, a measuring part), 38... Pressure sensor (an example of a measuring part), a. ).

Claims (5)

A detection unit that is provided in the middle of a supply flow path for supplying the air from an air supply source to a pneumatic tool, and detects the flow of the air flowing from the supply source toward the tool;
A time measuring unit for measuring the flow time during which the air flows based on the detection result of the detecting unit;
An output unit that outputs information based on the flow time measured by the time measuring unit. An input unit for inputting vibration information relating to the vibration of the tool that generates vibration when driven;
A storage unit for storing the input vibration information;
An acquisition unit that acquires a remaining time in which the tool can be used based on the flow time and the vibration information;
The time measuring apparatus according to claim 1, wherein the output unit outputs the remaining time.   The time measuring device according to claim 1, further comprising a measuring unit that measures at least one of a flow rate and a pressure of the air flowing through the supply flow path.   The time measuring device according to any one of claims 1 to 3, further comprising a notifying unit that notifies information output from the output unit.   The time measuring device according to any one of claims 1 to 4, further comprising a power generation unit that generates power in accordance with the flow of the air.