WO2014076787A1 - 可変速装置、及び可変速システム - Google Patents
可変速装置、及び可変速システム Download PDFInfo
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- WO2014076787A1 WO2014076787A1 PCT/JP2012/079565 JP2012079565W WO2014076787A1 WO 2014076787 A1 WO2014076787 A1 WO 2014076787A1 JP 2012079565 W JP2012079565 W JP 2012079565W WO 2014076787 A1 WO2014076787 A1 WO 2014076787A1
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- electric motor
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
- G01P13/04—Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/14—Estimation or adaptation of machine parameters, e.g. flux, current or voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/06—Linear motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
- H02P27/085—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation wherein the PWM mode is adapted on the running conditions of the motor, e.g. the switching frequency
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D7/00—Indicating measured values
- G01D7/02—Indicating value of two or more variables simultaneously
Definitions
- the present invention relates to a variable speed device and a variable speed system.
- Patent Document 1 in an inverter device, a signal from an operation key is input to the inverter control device, and the inverter control device creates numeric data and displays it on the numeric data display unit, and creates a blinking pattern. It is described that any one of a plurality of function display lamps blinks. Specifically, when the power is turned on, the function display lamp for setting the frequency command is turned on in response to the output from the inverter control device, and the numerical data display unit displays the numerical data for the frequency command setting. When the operation item selection key operation key is operated, the function display lamp for the frequency command setting is turned off and the function display lamp for the output frequency monitor is lit, and the numerical data display section outputs the numerical data for the frequency command setting. Displays frequency monitor numerical data.
- the present invention has been made in view of the above, and can simultaneously check the operating state of the motor and the set state of the motor, and can easily check the operating state of the motor in a multifaceted manner, visually and intuitively.
- An object is to obtain a transmission and a variable speed system.
- a variable speed device is a variable speed device that drives an electric motor, and obtains a first parameter related to an operating state of the electric motor.
- a second acquisition unit that acquires a second parameter related to the first parameter related to the operating state of the motor, and a third parameter related to the setting state of the motor.
- a display control unit that simultaneously displays a third display item corresponding to the parameter on one display screen, and the display control unit associates the first display item and the second display item with each other. The Characterized by the form displayed.
- the display control unit includes a first display item corresponding to the first parameter relating to the operating state of the electric motor, a second display item corresponding to the second parameter relating to the operating state of the electric motor, and the electric motor.
- the third display item corresponding to the third parameter relating to the setting state is simultaneously displayed on one display screen. Thereby, the driving
- the display control unit graphically displays the first display item and the second display item in association with each other. Thereby, it is easy to compare the operation state of the electric motor for a plurality of items, and the operation state of the electric motor can be confirmed in a multifaceted manner for the plurality of items. That is, the operating state of the motor and the set state of the motor can be confirmed at the same time, and the operating state of the motor can be easily confirmed in a multifaceted manner, visually and intuitively.
- FIG. 1 is a diagram illustrating a configuration of a variable speed system according to the first embodiment.
- FIG. 2 is a diagram illustrating a configuration of the display control unit according to the first embodiment.
- FIG. 3 is a diagram illustrating the operation of the display screen in the first embodiment.
- FIG. 4 is a diagram showing the operation of the display screen in the modification of the first embodiment.
- FIG. 5 is a diagram illustrating a configuration of a variable speed system according to another modification of the first embodiment.
- FIG. 6 is a diagram illustrating a configuration of a variable speed system according to the second embodiment.
- FIG. 7 is a diagram illustrating a configuration of the display control unit according to the second embodiment.
- FIG. 8 is a diagram illustrating the operation of the display screen in the second embodiment.
- FIG. 1 is a diagram illustrating a configuration of a variable speed system according to the first embodiment.
- FIG. 2 is a diagram illustrating a configuration of the display control unit according to the first embodiment.
- FIG. 3 is
- FIG. 9 is a diagram showing the operation of the display screen in the modification of the second embodiment.
- FIG. 10 is a diagram illustrating a configuration of a display control unit in a modification of the second embodiment.
- FIG. 11 is a diagram showing the operation of the display screen in another modification of the second embodiment.
- FIG. 12 is a diagram illustrating a configuration of a variable speed system according to another modification of the second embodiment.
- FIG. 13 is a diagram illustrating the operation of the display screen in the comparative example.
- FIG. 14 is a diagram illustrating the operation of the display screen in another comparative example.
- FIG. 1 is a diagram showing the configuration of the variable speed system S. As shown in FIG.
- the variable speed system S receives, for example, AC power from the power source PS, and operates the mechanical device MC using AC power.
- the variable speed system S includes a variable speed device 7, an electric motor M, and a mechanical device MC.
- the variable speed device 7 makes the motor M variable speed.
- the variable speed device 7 is, for example, an inverter device or a servo amplifier.
- the case where the variable speed device 7 is an inverter device will be described as an example, but the idea of the present embodiment can be similarly applied to the case where the variable speed device 7 is a servo amplifier.
- the variable speed device 7 receives, for example, AC power from the power source PS, converts AC power into predetermined DC power, and further converts the converted DC power into AC power.
- the variable speed device 7 drives the electric motor M by supplying the converted AC power to the electric motor M.
- the electric motor M is driven by the variable speed device 7 to operate the mechanical device MC.
- the electric motor M is a motor and has a rotor M1 and a stator M2.
- the electric motor M is a linear motor and includes a moving element and a stator. That is, in the electric motor M, the rotor M1 (or moving element) is driven by the variable speed device 7, and the operation of the rotor M1 (or moving element) is transmitted to the mechanical apparatus MC, thereby operating the mechanical apparatus MC. .
- the machine device MC is operated by an electric motor M.
- the mechanical device MC is an elevator and includes a power transmission unit MC1 and a driven unit MC2.
- the power transmission unit MC1 is, for example, a shaft connected to the rotor M1 of the electric motor M and a gear provided on the shaft.
- the power transmission unit MC1 transmits the rotational operation of the rotor M1 to the gear, and the rotary motion is moved up and down by the gear or the like.
- the converted up / down motion is transmitted to the driven part MC2.
- the driven part MC2 is, for example, an elevating mechanism and a car.
- the elevating mechanism raises and lowers the car according to the transmitted elevating movement, and carries, for example, a predetermined object placed on the car.
- the variable speed device 7 includes a converter unit 9, an inverter unit 10, a current detection unit 11, an operation unit 18, an operation control unit 16, an inverter control unit 12, a read-only storage device 13, an occasional write / read storage device 14, and a display control unit 15. And a display unit 17.
- the converter unit 9 receives, for example, AC power from the power source PS, and converts the AC power into predetermined DC power.
- the converter unit 9 includes, for example, a plurality of diodes (not shown) and a smoothing capacitor C that are bridge-connected, and rectifies AC power using a plurality of diodes and converts the AC power into DC power.
- the converter unit 9 smoothes the converted DC power with the smoothing capacitor C, and supplies the smoothed DC power to the inverter unit 10.
- the inverter unit 10 receives DC power from the converter unit 9 and converts the DC power into AC power under the control of the inverter control unit 12.
- the inverter unit 10 includes, for example, a plurality of switching elements (not shown). Under the control of the inverter control unit 12, the plurality of switching elements are turned on and off at predetermined timings, respectively, so that direct current power is generated. Convert to AC power.
- the inverter unit 10 drives the electric motor M by supplying the converted AC power to the electric motor M.
- the current detection unit 11 detects a current corresponding to the AC power supplied from the inverter unit 10 to the motor M.
- the current detection unit 11 includes, for example, a plurality of current transformers (not shown), and detects a phase current of each phase using the plurality of current transformers.
- the current detection unit 11 supplies the detection result to the inverter control unit 12.
- the operation unit 18 receives an instruction from the operator.
- the operation unit 18 includes a plurality of operation members and receives instructions from the operator via the plurality of operation members.
- the plurality of operation members include, for example, a dial for changing the frequency and setting values of each operation function, operation keys for giving an operation mode switching / reset / rotation command, and the like. For example, when displaying the load torque, display the numerical value of the function setting code number with the operation key and dial of the operation unit while the inverter is stopped, and set / change the numerical value of the function that can display the load torque. Also good.
- the operation control unit 16 detects an instruction received by the operation unit 18.
- the operation control unit 16 detects an instruction received by the operation unit 18 by detecting how one of the plurality of operation members is operated, for example.
- the operation control unit 16 supplies the detected instruction to the inverter control unit 12.
- the inverter control unit 12 receives the detected instruction from the operation control unit 16, and receives a current detection result corresponding to the AC power supplied from the inverter unit 10 to the electric motor M from the current detection unit 11.
- the inverter control unit 12 performs a predetermined control operation according to the detected instruction and the current detection result. For example, the inverter control unit 12 sets parameters for driving the motor M before the driving of the motor M is started. Further, for example, after the drive of the electric motor M is started, the inverter control unit 12 calculates the operation state of the electric motor M according to the current detection result, or the electric motor M according to the calculated operation state of the electric motor M.
- the inverter unit 10 is controlled so that the operating state of the inverter approaches a predetermined target state.
- the third parameter relating to the setting state of the electric motor M is set and written in advance before the variable speed device 7 is shipped.
- numerical data of a plurality of operation items corresponding to the standard operation mode is preset and written as the third parameter in the read-only storage device 13.
- the plurality of operation items include, for example, frequency, current, voltage, torque, and the like.
- the read-only storage device 13 stores the third parameter as, for example, read-only data that cannot be rewritten.
- the write / read storage device 14 is used as a work memory for performing a control operation by the inverter control unit 12, for example. For example, a predetermined parameter calculated by the inverter control unit 12 is written and temporarily stored. The parameters temporarily stored in the write / read storage device 14 as needed are erased by the inverter control unit 12 at a timing when it is determined that they are no longer needed.
- the display control unit 15 generates display information to be displayed on the display unit 17 under the control of the inverter control unit 12 and supplies the generated display information to the display unit 17.
- the display unit 17 receives display information from the display control unit 15.
- the display unit 17 is provided, for example, on the housing 7a of the variable speed device 7, and has one display screen 17a at a position that can be viewed from the operator.
- the display unit 17 displays a plurality of predetermined display items on one display screen 17a according to the display information.
- the inverter control unit 12 includes a first calculation unit 12a, a first acquisition unit 12b, a second calculation unit 12c, a second acquisition unit 12d, a third calculation unit 12e, and a third acquisition unit 12f. .
- the third calculation unit 12e calculates a third parameter related to the setting state of the electric motor M. For example, before the driving of the electric motor M is started, the third calculation unit 12 e receives a signal indicating an instruction received by the operation unit 18 from the operation control unit 16. The third calculation unit 12e calculates an operation mode to be used for the operation of the electric motor M according to the instruction, and calculates numerical values of a plurality of operation items corresponding to the operation mode. For example, the third calculation unit 12e writes the numerical data of the calculated plurality of operation items to the writing / reading storage device 14 as needed as the third parameter.
- the first calculation unit 12a calculates a first parameter related to the operating state of the electric motor M. For example, after the driving of the electric motor M is started, the first calculation unit 12 a receives the current detection result from the current detection unit 11. The first calculation unit 12a performs a predetermined calculation on the current detection result and calculates the rotation direction of the electric motor M.
- the rotation direction of the electric motor M includes, for example, a normal rotation direction and a reverse rotation direction.
- the physical position of the winding of each phase in the electric motor M is set in advance in the first arithmetic unit 12a, and the temporal current of the phase current of each phase is determined according to the physical position of the winding of each phase.
- the rotation direction of the electric motor M is estimated by comparing the changes.
- the first calculation unit 12a writes the calculated rotation direction of the electric motor M in the write / read storage device 14 as needed as a first parameter.
- the second calculator 12c calculates a second parameter related to the operating state of the electric motor M.
- the first parameter and the second parameter are parameters related to each other.
- the second calculation unit 12 c receives the current detection result from the current detection unit 11.
- the second calculation unit 12c performs a predetermined calculation on the current detection result to calculate the load state of the electric motor M.
- the load state of the electric motor M includes, for example, a power running state and a regenerative state.
- the magnitude of torque current is increased by coordinate conversion (3-phase-2 phase conversion, 2-phase fixed coordinate-2 phase rotation coordinate conversion) for three phases detected.
- the load state of the motor is estimated by calculating the parameters indicating the power and the power running / regenerative state.
- the second calculation unit 12c writes the calculated load state of the electric motor M to the write / read storage device 14 as a second parameter as needed.
- the first acquisition unit 12b acquires the first parameter. For example, after the driving of the electric motor M is started, the first acquisition unit 12b accesses the write / read storage device 14 at any time and acquires the first parameter temporarily stored in the write / read storage device 14 at any time. . The first acquisition unit 12 b supplies the acquired first parameter to the display control unit 15.
- the second acquisition unit 12c acquires the second parameter. For example, after the driving of the electric motor M is started, the second acquisition unit 12c accesses the write / read storage device 14 at any time and acquires the second parameter temporarily stored in the write / read storage device 14 at any time. . The second acquisition unit 12 c supplies the acquired second parameter to the display control unit 15.
- the third acquisition unit 12f acquires the third parameter. For example, after the drive of the electric motor M is started, the third acquisition unit 12f determines in which operation mode the electric motor M is operated. For example, when the motor M is operated in the standard operation mode, the third acquisition unit 12f accesses the read-only storage device 13 and obtains numerical data of a plurality of operation items corresponding to the standard operation mode. Get as a parameter. For example, the third acquisition unit 12 f acquires the third parameter temporarily stored in the writing / reading storage device 14 as needed when the electric motor M is operated in the operation mode instructed by the operation unit 18. The third acquisition unit 12f supplies the acquired third parameter to the display control unit 15.
- the display control unit 15 displays the first display item corresponding to the first parameter, the second display item corresponding to the second parameter, and the third display item corresponding to the third parameter in the display unit 17. They are displayed simultaneously on one display screen 17a (see FIGS. 3A and 3B).
- the display control unit 15 displays the first display item and the second display item in a graphic manner in association with each other. For example, the display control unit 15 displays an arrow (first arrow) indicating the rotation direction of the rotor M1 of the motor M and an arrow (second arrow) indicating the load state of the motor on one display screen on the display unit 17.
- the images are simultaneously displayed on 17a (see FIGS. 3A and 3B).
- the display control unit 15 includes a third display item creation unit 15a, a first display item creation unit 15b, a second display item creation unit 15c, a numerical value display unit 15d, A unit display unit 15e, a first graphic display unit 15f, and a second graphic display unit 15g are provided.
- FIG. 2 is a diagram illustrating a configuration of the display control unit 15.
- the third display item creation unit 15a receives the third parameter from the third acquisition unit 12f.
- the third display item creation unit 15a creates display data for the third display item corresponding to the third parameter.
- the third display item creation unit 15a creates display data of a plurality of third display items corresponding to numerical data of a plurality of operation items.
- the plurality of operation items include, for example, frequency, current, voltage, torque, and the like.
- Each of the plurality of third display items includes a set of a numerical value and a unit.
- the third display item creation unit 15a receives a display instruction for an operation item to be displayed among the plurality of operation items via the operation unit 18, the operation control unit 16, and the inverter control unit 12, and instructs the display item based on the display instruction.
- the numerical portion is supplied to the numerical display portion 15d, and the unit portion is supplied to the unit display portion 15e.
- the first display item creation unit 15b receives the first parameter from the first acquisition unit 12b.
- the first display item creation unit 15b creates display data for the first display item corresponding to the first parameter.
- the first display item creation unit 15b creates display data of the first display item corresponding to the rotation direction of the electric motor M.
- the first display item creation unit 15b supplies the display data of the created first display item to the first graphic display unit 15f.
- the second display item creation unit 15c receives the second parameter from the second acquisition unit 12d.
- the second display item creation unit 15c creates display data for the second display item corresponding to the second parameter.
- the second display item creation unit 15 c creates display data of the second display item corresponding to the load state of the electric motor M.
- the second display item creation unit 15c supplies the display data of the created second display item to the second graphic display unit 15g.
- the numerical value display unit 15d receives a numerical value portion of the display data of the third display item from the third display item creation unit 15a.
- the numerical value display unit 15d generates display information for displaying the numerical value part according to the display data of the numerical value part. For example, when the part on the display unit 17 where the numerical value is to be displayed is the 7-segment display part 17a1 (see FIG. 3A), the numerical value display part 15d displays the 7-segment display part 17a1 corresponding to the numerical value to be displayed. Generate information.
- the numerical value display unit 15d supplies display information to the 7-segment display unit 17a1, thereby displaying a numerical value corresponding to the display information on the display screen 17a. For example, in the case shown in FIG. 3A, the numerical value of the frequency command is displayed on the 7-segment display unit 17a1 on the display screen 17a.
- the unit display unit 15e receives the unit portion of the display data of the third display item from the third display item creation unit 15a.
- the unit display unit 15e generates display information for displaying the unit portion according to the display data of the unit portion. For example, when the unit to be displayed on the display unit 17 is the unit display unit 17a2 (see FIG. 3A) that lights any one of the plurality of unit display lamps 17a2a to 17a2c, the unit display unit 15e Display information of the unit display unit 17a2 corresponding to the unit to be generated is generated.
- the unit display unit 15e supplies the display information to the unit display unit 17a2, thereby displaying the unit corresponding to the display information on the display screen 17a. For example, in the case shown in FIG. 3A, “Hz”, which is a unit of the frequency command, is displayed on the unit display portion 17a2 on the display screen 17a.
- the first graphic display unit 15f shown in FIG. 2 receives the display data of the first display item from the first display item creation unit 15b.
- the first graphic display unit 15f generates display information for displaying the first display item according to the display data of the first display item. For example, a rotation direction display unit 17a4 that turns on one of the forward direction arrow display lamp 17a4a and the reverse direction arrow display lamp 17a4b as a portion where the first display item in the display unit 17 is to be displayed (see FIG. 3A).
- the first graphic display unit 15f generates display information of the rotation direction display unit 17a4 corresponding to the rotation direction (forward rotation or reverse rotation) to be displayed.
- the first graphic display unit 15f displays the rotation direction corresponding to the display information on the display screen 17a by supplying the display information to the rotation direction display unit 17a4.
- the rotation direction of the electric motor M is displayed on the rotation direction display unit 17a4 on the display screen 17a to indicate that the rotation direction is the normal rotation direction.
- the second graphic display unit 15g shown in FIG. 2 receives the display data of the second display item from the second display item creation unit 15c.
- the second graphic display unit 15g generates display information for displaying the second display item according to the display data of the second display item.
- the portion to display the second display item in the display unit 17 is a load state display unit 17a5 (see FIG. 3A) that lights either the load direction arrow display lamp 17a5a or the load direction arrow display lamp 17a5b.
- the second graphic display unit 15g generates display information of the load state display unit 17a5 corresponding to the load state (powering or regeneration) to be displayed.
- the second graphic display unit 15g displays the load state corresponding to the display information on the display screen 17a by supplying the display information to the load state display unit 17a5.
- the load state on the display screen 17a indicates that the rotation direction of the motor M and the load direction of the motor M are opposite, that is, the load state of the motor M is a power running state. It is displayed on the display unit 17a5.
- the load state on the display screen 17a indicates that the rotation direction of the motor M and the load direction of the motor M are the same direction, that is, the load state of the motor M is the regenerative state. It is displayed on the display unit 17a5.
- the arrow (first arrow) displayed by the first graphic display unit 15f and the arrow (second arrow) displayed by the second graphic display unit 15g are the thickness of the arrow
- Control is performed to change at least one of the color, the lighting method of the arrow, and the length of the arrow.
- the arrow of the rotation direction display unit 17a4 and the arrow of the load state display unit 17a5 are displayed with different colors and with different lengths.
- the arrow of the rotation direction display portion 17a4 is shown in black
- the arrow of the load state display portion 17a5 is shown by hatching
- both arrows have different colors. It is shown.
- the display control unit 15 further creates display data of the operation mode display lamp 17a3 (see FIG. 3A) and, for example, the current operation mode (for example, PU: operation panel, EXT) according to the display data. Display information for lighting the operation mode display lamp 17a3 corresponding to:: external, NET: any one of the networks).
- the motor M rotates in accordance with the set operation conditions, and the frequency currently being operated on the 7-segment display unit 17a1 in FIG.
- the command value is displayed, and the unit display lamp 17a2a of the unit display unit 17a2 is turned on.
- a PU (operation unit operation) lamp is lit on the operation mode display lamp 17a3.
- the phase current is detected by the current detection unit 11, the detection result of the current is supplied to the inverter control unit 12, and a calculation is performed to determine whether the motor M is a power running operation or a regenerative operation.
- the obtained load state (power running load or regenerative load) and the current rotation direction of the inverter are displayed on the load state display unit 17a5 and the rotation direction display unit 17a4, respectively.
- the inverter control unit 12 determines that the rotation direction of the electric motor M is the normal rotation direction, as shown in FIGS. 3A and 3B, the normal rotation direction arrow display lamp in the rotation direction display unit 17a4. 17a4a is turned on.
- the load direction arrow display lamp 17a5a in the load state display unit 17a5 is turned on as shown in FIG. Let Thereby, the operator can visually recognize that the rotation direction of the electric motor M and the load direction of the electric motor M are the same direction, that is, that the load state of the electric motor M is in the regenerative state.
- the load direction arrow display lamp 17a5b in the load state display unit 17a5 Lights up.
- the operator can visually recognize that the rotation direction of the motor M and the load direction of the motor M are opposite directions, that is, the load state of the motor M is a power running state.
- the inverter control unit 12 determines that the rotation direction of the electric motor M is the reverse rotation direction, although not shown, the reverse rotation direction arrow display lamp 17a4b in the rotation direction display unit 17a4 is turned on.
- the load direction arrow display lamp 17a5a in the load state display unit 17a5 is turned on as shown in FIG. Let Thereby, the operator can visually recognize that the rotation direction of the electric motor M (the direction indicated by the rotation direction display unit 17a4) and the load direction of the electric motor M are opposite, that is, the load state of the electric motor M is a power running state. .
- the load direction arrow display lamp 17a5b in the load state display unit 17a5 Lights up.
- the operator can visually recognize that the rotation direction of the electric motor M (the direction indicated by the rotation direction display unit 17a4) and the load direction of the electric motor M are the same direction, that is, the load state of the electric motor M is in the regenerative state. .
- the display control unit 15 displays numerical values and characters indicating the rotation state on the 7-segment display unit 817a1, for example.
- the rotation state will be displayed.
- numbers and characters it may be difficult to understand unless the display items and display contents are checked in the instruction manual, and it may be difficult to understand unless the reference values of the display items are understood. . That is, it is difficult to visually and intuitively confirm the operating state of the electric motor M.
- the display control unit 15 includes the first display item corresponding to the first parameter related to the operating state of the electric motor M and the second parameter corresponding to the second parameter related to the operating state of the electric motor M.
- Each of the two display items is displayed graphically. Thereby, the operating state of the electric motor M can be easily confirmed visually and intuitively.
- the display control unit 15 sequentially displays the outer six segments of the seven segments on the seven segment display unit 817 a 1.
- the rotation state of the electric motor M is displayed by turning it on. This makes it difficult to display the setting state of the motor M on the 7-segment display unit 817a1, so it is difficult to simultaneously check the operation state of the motor M and the setting state of the motor M.
- the display control unit 15 includes the first display item corresponding to the first parameter related to the operating state of the electric motor M and the second parameter corresponding to the second parameter related to the operating state of the electric motor M. 2 and the third display item corresponding to the third parameter relating to the setting state of the motor M are simultaneously displayed on one display screen 17a in the display unit 17 (FIGS. 3A and 3B). reference).
- running state of the electric motor M and the setting state of the electric motor M can be confirmed simultaneously, it is easy to confirm whether the electric motor M is drive
- the display unit 917 is provided with a rotation direction display unit 917a4 instead of the rotation direction display unit 17a4 (see FIG. 3A), and the load state
- the rotation direction display unit 917a4 lights one of the forward rotation direction display lamp 917a4a and the reverse rotation direction display lamp 917a4b. That is, the display control unit 15 can display the rotation state of the electric motor M on the rotation direction display unit 917a4 while displaying the setting state of the electric motor M on the 7-segment display unit 917a1. The setting state of M can be confirmed at the same time.
- the display control unit 15 includes the first display item corresponding to the first parameter related to the operating state of the electric motor M and the second parameter corresponding to the second parameter related to the operating state of the electric motor M.
- Each of the two display items is displayed graphically.
- the forward direction indicator lamp 917a4a and the reverse direction indicator lamp 917a4b need to be described according to the language of each country in order to indicate “forward” and “reverse”. It is necessary to describe the display name corresponding to the language for each country. For example, in the case shown in FIGS. 14A and 14B, “forward” and “reverse” are described as “FWD” and “REV”, assuming use in an English-speaking area. As a result, in a country where English is not understood, it is necessary to change the display for each country, and the description may not be visible in places with poor visibility.
- the display control unit 15 includes the first display item corresponding to the first parameter related to the operating state of the electric motor M and the second parameter corresponding to the second parameter related to the operating state of the electric motor M.
- Each of the two display items is displayed graphically.
- the display control unit 15 graphically displays the first display item and the second display item in association with each other. Thereby, it is easy to compare the operation state of the electric motor for a plurality of items, and the operation state of the electric motor can be confirmed in a multifaceted manner for the plurality of items.
- the first parameter is, for example, a parameter related to the rotation direction of the rotor M1 of the electric motor M
- the second parameter is a parameter related to the load state of the electric motor M.
- the display control unit 15 simultaneously displays the first arrow indicating the rotation direction of the rotor M1 of the electric motor M and the second arrow indicating the load state of the electric motor M on one display screen 17a in the display unit 17. indicate. Accordingly, the first display item corresponding to the first parameter and the second display item corresponding to the second parameter can be displayed in a graphic manner in association with each other.
- the display control unit 15 changes the first arrow and the second arrow by changing at least one of the thickness of the arrow, the color of the arrow, the lighting method of the arrow, and the length of the arrow. However, they are simultaneously displayed on one display screen 17a in the display unit 17. Accordingly, the first display item corresponding to the first parameter and the second display item corresponding to the second parameter can be easily distinguished and visually recognized.
- the display unit 17 and the operation unit 18 may be arranged close to each other on the housing 7a of the variable speed device 7.
- the display unit 17 and the operation unit 18 may be collectively arranged as an operation panel on the housing 7a.
- the display unit 17 and the operation unit 18 may be provided outside the case 7a as separate operation panels instead of being provided on the case 7a of the variable speed device 7.
- the display unit 17 and the display control unit 15 may perform wireless communication using infrared rays or electromagnetic waves
- the operation unit 18 and the operation control unit 16 may perform wireless communication using infrared rays or electromagnetic waves.
- the display control unit 15 may display the rotation direction of the rotation direction command as the third display item corresponding to the third parameter. In this case, it can be easily confirmed visually and intuitively whether or not the electric motor M is properly driven in accordance with the rotational direction command of the variable speed device 7.
- the display control unit 15 may display whether the electric motor M is operating, for example, whether it is accelerating, constant speed, decelerating, or stalling. For example, the display control unit 15 displays that the motor M is in an accelerating operation state by repeating the display of FIG. 4A, FIG. 4B, and FIG. 4C in this order. Alternatively, the display of FIG. 3A may be maintained to indicate that the electric motor M is at a constant speed. For example, the display control unit 15 may display FIG. 4C or FIG. (B) By repeating the display of FIG. 4A in this order, it may be displayed that the motor M is in an operating state during deceleration. Alternatively, for example, the display control unit 15 may display that the electric motor M is in a stalled operation state by maintaining (lighting) the display of FIG.
- the display control unit 15 may display, for example, the magnitude of the speed as the operation state of the electric motor M.
- the display control unit 15 may change the length of the arrow displayed by the forward direction arrow display lamp 17a4a shown in FIG. 3A stepwise or continuously according to the speed.
- the display control part 15 may further display the level gauge which shows the magnitude
- the display control unit 15 may display whether the load state of the electric motor M is, for example, continuous load or instantaneous load. For example, the display control unit 15 displays that the load is continuous by turning on the load direction arrow display lamp 17a5a shown in FIG. 3A, and blinks the load direction arrow display lamp 17a5a shown in FIG. You may display that it is an instantaneous load by doing.
- the display control unit 15 may display, for example, the magnitude of the load as the load state of the electric motor M.
- the display control unit 15 may change the length of the arrow displayed by the load direction arrow display lamp 17a5a shown in FIG. 3A stepwise or continuously according to the magnitude of the load.
- the display control part 15 may further display the level gauge which shows the magnitude
- variable speed system S100 may further include a position detector 119 for detecting the rotational position of the rotor M1 of the electric motor M as shown in FIG.
- the first calculation unit 112a of the inverter control unit 112 of the variable speed apparatus 107 receives the detection result of the rotation position from the position detector 119, performs a predetermined calculation on the detection result of the rotation position, and The rotation direction of M may be calculated.
- the second calculation unit 112c may receive the detection result of the rotation position from the position detector 119, perform a predetermined calculation on the detection result of the rotation position, and calculate the rotation speed of the electric motor M.
- Embodiment 2 the variable speed system S200 according to the second embodiment will be described. Below, it demonstrates focusing on a different part from Embodiment 1.
- FIG. 1 the variable speed system S200 according to the second embodiment.
- the state of the mechanical device MC operated by the electric motor M is not particularly considered, but in the second embodiment, the state of the mechanical device MC operated by the electric motor M can be grasped.
- the inverter control unit 212 of the variable speed device 207 of the variable speed system S200 includes a fourth calculation unit 212g, a fourth acquisition unit 212h, a fifth calculation unit 212i, and a fifth acquisition unit 212j. Also have.
- the fourth calculation unit 212g calculates a fourth parameter related to the operating state of the mechanical device MC. For example, after the drive of the electric motor M is started, the fourth calculation unit 212g receives the first parameter related to the operation state of the electric motor M from the first calculation unit 12a. For example, the correlation between the rotation direction of the electric motor M and the operation direction of the mechanical device MC is set in advance in the fourth calculation unit 212g, and the correlation between the rotational direction of the mechanical device MC according to the first parameter is set. Is applied to calculate the operation direction of the mechanical device MC.
- the fourth arithmetic unit 212g raises the cage when the electric motor M is rotating forward, for example, the electric motor M is reversed. It is estimated that the machine MC is lowering the car.
- the fourth calculation unit 212g writes the calculated operation state of the mechanical device MC to the write / read storage device 14 as a fourth parameter as needed.
- the fifth calculation unit 212i calculates a fifth parameter related to the operating state of the mechanical device MC.
- the fourth parameter and the fifth parameter are parameters related to each other.
- the fifth arithmetic unit 212i receives the second parameter related to the operating state of the electric motor M from the second arithmetic unit 12c, and receives the fourth parameter related to the operating state of the mechanical device MC.
- the parameter is received from the fourth calculation unit 212g.
- the correlation between the load state (load direction) of the motor M and the operation state (movement direction) of the machine device MC is set in advance, and the machine device according to the second parameter is set.
- the load state of the mechanical device MC is calculated by applying the load state (load direction) of the MC and the operation state (moving direction) of the mechanical device MC according to the fourth parameter to the correlation.
- the fifth arithmetic unit 212i is opposite to the operation direction.
- a force is applied in the direction, for example, when the mechanical device MC lowers the car when the electric motor M is in a regenerative state, it is estimated that the force is applied in the same direction as the operation direction.
- the fifth calculation unit 212i writes the calculated operation state of the machine device MC as a fifth parameter in the write / read storage device 14 as needed.
- the sixth calculation unit 212k calculates a sixth parameter related to the operating state of the mechanical device MC.
- the fourth parameter, the fifth parameter, and the sixth parameter are parameters related to each other.
- the sixth arithmetic unit 212k receives the control signal supplied to the inverter unit 10 from the inverter control unit 212, and receives the second parameter related to the operating state of the electric motor M.
- the second parameter is received from the second calculator 12c
- the fourth parameter related to the operation state of the mechanical device MC is received from the fourth calculator 212g.
- the sixth calculation unit 212k is configured to control the inverter unit 10 and / or the machine device MC according to the control signal (rotation command), the load state (load direction) of the electric motor M, and the operation state (movement direction) of the machine device MC. Calculates whether an abnormality has occurred. For example, in the sixth arithmetic unit 212k, the correlation between the control signal (rotation command) to the inverter unit 10, the load state (load direction) of the electric motor M, and the operation state (movement direction) of the mechanical device MC is set in advance.
- the relationship between the control signal (rotation command) and the load state (load direction) of the machine device MC according to the second parameter and the operation state (movement direction) of the machine device MC according to the fourth parameter is It is estimated that an abnormality has occurred in the inverter unit 10 and / or the mechanical device MC when the mechanical device MC is not correctly moved in the direction in which the mechanical device MC is estimated from the correlation, and the specified deviation exceeds the allowable range. If not, it is estimated that no abnormality has occurred in the inverter unit 10 and / or the mechanical device MC.
- the sixth calculation unit 212k writes the calculated presence / absence of abnormality in the inverter unit 10 and / or the machine device MC to the write / read storage device 14 as needed as a sixth parameter.
- the fourth acquisition unit 212h acquires the fourth parameter. For example, after the driving of the electric motor M is started, the fourth acquisition unit 212h accesses the write / read storage device 14 at any time and acquires the fourth parameter temporarily stored in the write / read storage device 14 at any time. . The fourth acquisition unit 212h supplies the acquired fourth parameter to the display control unit 215.
- the fifth acquisition unit 212j acquires the fifth parameter. For example, after the drive of the electric motor M is started, the fifth acquisition unit 212j accesses the write / read storage device 14 at any time and acquires the fifth parameter temporarily stored in the write / read storage device 14 at any time. . The fifth acquisition unit 212j supplies the acquired fifth parameter to the display control unit 215.
- the sixth acquisition unit 212n acquires the sixth parameter. For example, after the driving of the electric motor M is started, the sixth acquisition unit 212n accesses the write / read storage device 14 as needed, and acquires the sixth parameter temporarily stored in the write / read storage device 14 as needed. The sixth acquisition unit 212n supplies the acquired sixth parameter to the display control unit 215.
- the display control unit 215 includes a fourth display item corresponding to the fourth parameter, a fifth display item corresponding to the fifth parameter, and a sixth display item corresponding to the sixth parameter.
- the third display item corresponding to the third parameter is simultaneously displayed on one display screen 217a in the display unit 217 (see FIGS. 8A and 8B).
- the display control unit 215 graphically displays the fourth display item, the fifth display item, and the sixth display item in association with each other. For example, the display control unit 215 displays an arrow indicating the operation direction of the mechanical device MC (third arrow) and an arrow indicating the load state of the mechanical device MC (fourth arrow) in one display screen 217a in the display unit 217. They are displayed simultaneously (see FIGS. 8A and 8B).
- the display control unit 215 includes a first display item creation unit 15b, a second display item creation unit 15c, a first graphic display unit 15f, and a second graphic display.
- a fourth display item creation unit 215b, a fifth display item creation unit 215c, a third graphic display unit 215f, a fourth graphic display unit 215g, a sixth display item creation unit 215h, and A fifth graphic display unit 215i is provided.
- FIG. 7 is a diagram illustrating a configuration of the display control unit 215.
- the fourth display item creation unit 215b receives the fourth parameter from the fourth acquisition unit 212h.
- the fourth display item creation unit 215b creates display data for the fourth display item corresponding to the fourth parameter.
- the fourth display item creation unit 215b creates display data for the fourth display item corresponding to the operation direction of the mechanical device MC.
- the fourth display item creation unit 215b supplies the display data of the created fourth display item to the third graphic display unit 215f.
- the fifth display item creation unit 215c receives the fifth parameter from the fifth acquisition unit 212j.
- the fifth display item creation unit 215c creates display data of the fifth display item corresponding to the fifth parameter.
- the fifth display item creation unit 215c creates display data of the fifth display item corresponding to the load state of the mechanical device MC.
- the fifth display item creation unit 215c supplies the display data of the created fifth display item to the fourth graphic display unit 215g.
- the sixth display item creation unit 215h receives the sixth parameter from the sixth acquisition unit 212n.
- the sixth display item creation unit 215h creates display data for the sixth display item corresponding to the sixth parameter.
- the sixth display item creation unit 215h creates display data of the sixth display item corresponding to the presence / absence of abnormality in the inverter unit 10 and / or the machine device MC.
- the sixth display item creation unit 215h supplies display data of the created sixth display item to the fifth graphic display unit 215i.
- the third graphic display unit 215f receives the display data of the fourth display item from the fourth display item creation unit 215b.
- the third graphic display unit 215f generates display information for displaying the fourth display item according to the display data of the fourth display item.
- the portion of the display unit 217 to display the fourth display item is an operation direction display unit 217a6 (see FIG. 8A) that lights either the up arrow display lamp 217a6a or the down arrow display lamp 217a6b.
- the third graphic display unit 215f generates display information of the motion direction display unit 217a6 corresponding to the motion direction to be displayed (upward direction or downward direction).
- the third graphic display unit 215f supplies the display information to the operation direction display unit 217a6 to display the operation direction corresponding to the display information on the display screen 217a.
- the operation direction display unit 217a6 on the display screen 217a displays that the operation direction of the mechanical device MC (for example, an elevator) is the upward direction.
- the fourth graphic display unit 215g shown in FIG. 7 receives the display data of the fifth display item from the fifth display item creation unit 215c.
- the fourth graphic display unit 215g generates display information for displaying the fifth display item according to the display data of the fifth display item.
- the portion of the display unit 217 to display the fifth display item is a load state display unit 217a7 (see FIG. 8A) that lights either the load direction arrow display lamp 217a7a or the load direction arrow display lamp 217a7b.
- the fourth graphic display unit 215g generates display information of the load state display unit 217a7 corresponding to the load state to be displayed (direction in which force is applied).
- the fourth graphic display unit 215g supplies the display information to the load state display unit 217a7, thereby displaying the load state corresponding to the display information on the display screen 217a.
- the operation direction of the machine device MC and the load direction of the machine device MC are the same direction, that is, the load state of the machine device MC is in a state where a force is applied in the upward direction. It is displayed on the load state display part 217a7 on the display screen 217a.
- the operation direction of the mechanical device MC and the load direction of the mechanical device MC are opposite directions, that is, the load state of the mechanical device MC is applied in the downward direction. It is displayed on the load state display part 217a7 on the display screen 217a.
- the arrow (third arrow) displayed by the third graphic display unit 215f and the arrow (fourth arrow) displayed by the fourth graphic display unit 215g are the thickness of the arrow
- Control is performed to change at least one of the color, the lighting method of the arrow, and the length of the arrow.
- the arrow of the movement direction display unit 217a6 and the arrow of the load state display unit 217a7 are displayed in different colors and in different lengths.
- the arrow of the operation direction display unit 217a6 is shown in black
- the arrow of the load state display unit 217a7 is shown by hatching
- both arrows have different colors. It is shown.
- the fifth graphic display unit 215i receives display data of the sixth display item from the sixth display item creation unit 215h.
- the fifth graphic display unit 215i generates display information for displaying the sixth display item according to the display data of the sixth display item. For example, when the part where the sixth display item in the display unit 217 is to be displayed is the abnormality occurrence display lamp 217a8a or the abnormality occurrence display lamp 217a8b that turns on or off the abnormality occurrence display lamp 217a8b (see FIG. 8A),
- the fifth graphic display unit 215i generates display information of the abnormality presence / absence display unit 217a8 corresponding to the abnormality presence / absence to be displayed.
- the fifth graphic display unit 215i supplies the display information to the abnormality presence / absence display unit 217a8, thereby displaying the abnormality presence / absence corresponding to the display information on the display screen 217a.
- the third graphic display unit 215f indicates that an abnormality has occurred (stopped) by turning on the operation direction display lamp 217a6a as the presence / absence of an abnormality in the inverter unit 10 and / or the machine device MC. Then, it may be displayed that no abnormality has occurred (during operation) by blinking the operation direction display lamp 217a6a. Alternatively, the third graphic display unit 215f does not generate any abnormality by operating the abnormality occurrence display lamp 217a6a in blue, for example, as the presence or absence of abnormality in the inverter unit 10 and / or the machine device MC (during operation). This may be displayed, and the abnormality occurrence display lamp 217a6a may be lit in red, for example, to indicate that an abnormality has occurred (stopped).
- the display control unit 215 sets the fourth display item corresponding to the fourth parameter related to the operating state of the mechanical device MC and the fifth parameter related to the operating state of the mechanical device MC.
- the display control unit 215 graphically displays the fourth display item, the fifth display item, and the sixth display item in association with each other.
- the display control unit 215 graphically displays the fourth display item, the fifth display item, and the sixth display item in association with each other.
- the fourth parameter is a parameter related to the operation direction of the mechanical device MC
- the fifth parameter is a parameter related to the load state of the mechanical device MC
- the sixth parameter is This is a parameter related to whether or not an abnormality has occurred in the inverter unit 10 and / or the machine device MC.
- the display control unit 15 includes a third arrow indicating the operation direction of the mechanical device MC, a fourth arrow indicating the load state of the mechanical device MC, and whether or not an abnormality has occurred in the inverter unit 10 and / or the mechanical device MC.
- the fourth display item corresponding to the fourth parameter, the fifth display item corresponding to the fifth parameter, and the sixth display item corresponding to the sixth parameter are displayed in association with each other graphically. can do.
- the display control unit 215 changes at least one of the third arrow and the fourth arrow by changing the thickness of the arrow, the color of the arrow, the lighting method of the arrow, and the length of the arrow.
- the images are simultaneously displayed on one display screen 217a in the display unit 217. Accordingly, the fourth display item corresponding to the fourth parameter and the fifth display item corresponding to the fifth parameter can be easily distinguished and visually recognized.
- the mechanical device MC may include, for example, a winding roll, an intermediate roll, and an unwinding roll.
- the display control unit 215 is operating as the unwinding roll, for example, as the operation state of the mechanical device MC.
- the intermediate roll operation or the take-up roll operation may be displayed.
- the display control unit 215 may display that the mechanical device MC is in the unwinding roll operation by performing the display of FIG. 9A, or by performing the display of FIG. 9B. Further, it may be displayed that the machine device MC is in the middle roll operation, or by performing the display of FIG. 9C, it may be displayed that the machine device MC is in the winding roll operation.
- display control part 215 'respond corresponded to the 1st parameter regarding the operating state of electric motor M in addition to the 4th display item, the 5th display item, the 6th display item, and the 3rd display item.
- the first display item and the second display item corresponding to the second parameter relating to the operating state of the electric motor M may be simultaneously displayed on one display screen 217a in the display unit 217 (FIG. 11 (a). ) And (b)).
- the display control unit 215 ′ includes, for example, as shown in FIG. 10, a fourth display item creation unit 215b, a fifth display item creation unit 215c, a third graphic display unit 215f, and a fourth graphic display unit.
- the first display item creation unit 15b, the second display item creation unit 15c, the first graphic display unit 15f, and A second graphic display unit 15g is further provided.
- the operations of the first display item creation unit 15b, the second display item creation unit 15c, the first graphic display unit 15f, and the second graphic display unit 15g are the same as those in the first embodiment.
- the inverter control unit 212 determines that the rotation direction of the electric motor M is the normal rotation direction
- the normal rotation direction arrow display lamp 17a4a in the rotation direction display unit 17a4 is turned on as shown in FIG. .
- the inverter control unit 212 determines that the operation direction of the mechanical device MC is the ascending direction
- the ascending direction arrow display lamp 217a6a in the operation direction display unit 217a6 is turned on as shown in FIG.
- the inverter control unit 212 determines that the load state of the electric motor M is the power running state, as shown in FIG. 11A, the forward rotation direction arrow display lamp 17a4a in the rotation direction display unit 17a4 The load direction arrow display lamp 17a5a in the load state display portion 17a5 is turned on. Thereby, the operator can visually recognize that the rotation direction of the motor M and the load direction of the motor M are opposite directions, that is, the load state of the motor M is a power running state.
- the inverter control unit 212 determines that the force is applied to the mechanical device MC in the downward direction, as shown in FIG. 11A, the upward direction arrow is displayed on the operation direction display unit 217a6.
- the lamp 217a6a and the load direction arrow display lamp 217a7a in the load state display unit 217a7 are turned on. Thereby, the operator can visually recognize that the load state of the electric motor M and the load state of the mechanical device MC correspond appropriately, that is, that the mechanical device MC is operating properly by the electric motor M.
- the inverter control unit 212 determines that the load state of the electric motor M is the regenerative state, as shown in FIG. 11B, the reverse direction arrow display lamp 17a4b and the load state in the rotation direction display unit 17a4
- the load direction arrow display lamp 17a5a in the display unit 17a5 is turned on. Thereby, the operator can visually recognize that the rotation direction of the electric motor M and the load direction of the electric motor M are the same direction, that is, that the load state of the electric motor M is in the regenerative state.
- the inverter control unit 212 determines that the force is applied to the machine device MC in the downward direction, as shown in FIG. 11B, the downward direction arrow is displayed on the operation direction display unit 217a6.
- the lamp 217a6b and the load direction arrow display lamp 217a7a in the load state display unit 217a7 are turned on. Thereby, the operator can visually recognize that the load state of the electric motor M and the load state of the mechanical device MC correspond appropriately, that is, that the mechanical device MC is operating properly by the electric motor M.
- variable speed system S300 may further include a position detector 320 that detects the operating position of the driven part MC2, as shown in FIG.
- the fourth calculation unit 312g of the inverter control unit 312 of the variable speed device 307 receives the detection result of the operation position from the position detector 320, performs a predetermined calculation on the detection result of the operation position, The actual operating direction of the device MC may be calculated.
- the fifth calculation unit 312i receives the detection result of the operation position from the position detector 320, performs a predetermined calculation on the detection result of the operation position, and calculates the actual movement position of the mechanical device MC. Also good.
- variable speed device As described above, the variable speed device according to the present invention is useful for driving an electric motor.
- variable speed device 9 converter unit, 10 inverter unit, 11 current detection unit, 12 inverter control unit, 12a first calculation unit, 12b first acquisition unit, 12c second calculation unit, 12d second acquisition unit , 12e 3rd calculation unit, 12f 3rd acquisition unit, 13 read-only storage device, 14 write-on-write storage device, 15 display control unit, 15a 3rd display item creation unit, 15b 1st display item creation unit 15c, second display item creation unit, 15d numerical display unit, 15e unit display unit, 15f first graphic display unit, 15g second graphic display unit, 16 operation control unit, 17 display unit, 17a display screen, 18 Operation unit, 107 variable speed device, 112 inverter control unit, 112a first calculation unit, 112c second calculation unit, 119 position detector, 07 variable speed device, 212 inverter control unit, 212g fourth calculation unit, 212h fourth acquisition unit, 212i fifth calculation unit, 212j fifth acquisition unit, 212k sixth calculation unit, 212n sixth acquisition 215, 215 ′ display
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Abstract
Description
実施の形態1にかかる可変速システムSについて図1を用いて説明する。図1は、可変速システムSの構成を示す図である。
次に、実施の形態2にかかる可変速システムS200について説明する。以下では、実施の形態1と異なる部分を中心に説明する。
Claims (8)
- 電動機を駆動する可変速装置であって、
前記電動機の運転状態に関する第1のパラメータを取得する第1の取得部と、
前記電動機の運転状態に関する、前記第1のパラメータに関連した第2のパラメータを取得する第2の取得部と、
前記電動機の設定状態に関する第3のパラメータを取得する第3の取得部と、
前記取得された第1のパラメータに対応した第1の表示項目と、前記取得された第2のパラメータに対応した第2の表示項目と、前記取得された第3のパラメータに対応した第3の表示項目とを1つの表示画面上で同時に表示する表示制御部と、
を備え、
前記表示制御部は、前記第1の表示項目と前記第2の表示項目とを互いに関連付けて図形的に表示する
ことを特徴とする可変速装置。 - 前記電動機は、回転子を含み、
前記取得された第1のパラメータは、前記回転子の回転方向に関するパラメータであり、
前記取得された第2のパラメータは、前記電動機の負荷状態に関するパラメータであり、
前記表示制御部は、前記回転子の回転方向を示す第1の矢印と、前記電動機の負荷状態を示す第2の矢印とを前記1つの表示画面上で同時に表示する
ことを特徴とする請求項1に記載の可変速装置。 - 前記表示制御部は、前記第1の矢印及び前記第2の矢印を、矢印の太さ、矢印の色、矢印の点灯方式、及び矢印の長さの少なくとも1つを変えながら前記1つの表示画面上で同時に表示する
ことを特徴とする請求項2に記載の可変速装置。 - 機械装置と、
前記機械装置を動作させる電動機と、
前記電動機を駆動する請求項1に記載の可変速装置と、
を備えたことを特徴とする可変速システム。 - 機械装置と、
前記機械装置を動作させる電動機と、
前記電動機を駆動する可変速装置と、
を備え、
前記可変速装置は、
前記機械装置の動作状態に関する第4のパラメータを取得する第4の取得部と、
前記機械装置の動作状態に関する、前記第4のパラメータに関連した第5のパラメータを取得する第5の取得部と、
前記電動機の設定状態に関する第3のパラメータを取得する第3の取得部と、
前記取得された第4のパラメータに対応した第4の表示項目と、前記取得された第5のパラメータに対応した第5の表示項目と、前記取得された第3のパラメータに対応した第3の表示項目とを1つの表示画面上で同時に表示する表示制御部と、
を有し、
前記表示制御部は、前記第4の表示項目と前記第5の表示項目とを互いに関連付けて図形的に表示する
ことを特徴とする可変速システム。 - 前記取得された第4のパラメータは、前記機械装置の動作方向に関するパラメータであり、
前記取得された第5のパラメータは、前記機械装置の負荷状態に関するパラメータであり、
前記表示制御部は、前記機械装置の動作方向を示す第3の矢印と、前記機械装置の負荷状態を示す第4の矢印とを前記1つの表示画面上で同時に表示する
ことを特徴とする請求項5に記載の可変速システム。 - 前記可変速装置は、
前記電動機の運転状態に関する第1のパラメータを取得する第1の取得部と、
前記電動機の運転状態に関する、前記第1のパラメータに関連した第2のパラメータを取得する第2の取得部と、
をさらに有し、
前記表示制御部は、前記取得された第1のパラメータに対応した第1の表示項目と、前記取得された第2のパラメータに対応した第2の表示項目と、前記第4の表示項目と、前記第5の表示項目と、前記第3の表示項目とを前記1つの表示画面上で同時に表示し、
前記表示制御部は、前記第1の表示項目と前記第2の表示項目とを互いに関連付けて図形的に表示する
ことを特徴とする請求項5に記載の可変速システム。 - 前記電動機は、回転子を含み、
前記取得された第1のパラメータは、前記回転子の回転方向に関するパラメータであり、
前記取得された第2のパラメータは、前記電動機の負荷状態に関するパラメータであり、
前記取得された第4のパラメータは、前記機械装置の動作方向に関するパラメータであり、
前記取得された第5のパラメータは、前記機械装置の負荷状態に関するパラメータであり、
前記表示制御部は、前記回転子の回転方向を示す第1の矢印と、前記電動機の負荷状態を示す第2の矢印とを前記1つの表示画面上で同時に表示するとともに、前記機械装置の動作方向を示す第3の矢印と、前記機械装置の負荷状態を示す第4の矢印とを前記1つの表示画面上で同時に表示する
ことを特徴とする請求項7に記載の可変速システム。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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EP12888334.5A EP2922195A4 (en) | 2012-11-14 | 2012-11-14 | Variable speed apparatus and variable speed system |
US14/425,967 US9760070B2 (en) | 2012-11-14 | 2012-11-14 | Variable speed device and variable speed system |
KR1020157011400A KR20150067256A (ko) | 2012-11-14 | 2012-11-14 | 가변속 장치, 및 가변속 시스템 |
PCT/JP2012/079565 WO2014076787A1 (ja) | 2012-11-14 | 2012-11-14 | 可変速装置、及び可変速システム |
CN201280076985.5A CN104782044B (zh) | 2012-11-14 | 2012-11-14 | 可变速装置、以及可变速系统 |
JP2014546777A JP6053813B2 (ja) | 2012-11-14 | 2012-11-14 | 可変速装置、及び可変速システム |
TW102117722A TWI504135B (zh) | 2012-11-14 | 2013-05-20 | 可變速裝置及可變速系統 |
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PCT/JP2012/079565 WO2014076787A1 (ja) | 2012-11-14 | 2012-11-14 | 可変速装置、及び可変速システム |
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US (1) | US9760070B2 (ja) |
EP (1) | EP2922195A4 (ja) |
JP (1) | JP6053813B2 (ja) |
KR (1) | KR20150067256A (ja) |
CN (1) | CN104782044B (ja) |
TW (1) | TWI504135B (ja) |
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WO2015181868A1 (ja) * | 2014-05-26 | 2015-12-03 | 株式会社日立産機システム | 回転電機組立体 |
US20150377970A1 (en) * | 2013-04-30 | 2015-12-31 | Fuji Electric Co., Ltd. | Control device and electric motor driving device |
JP7132811B2 (ja) | 2018-09-28 | 2022-09-07 | Kyb株式会社 | ミキサドラム状態表示装置 |
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CN105446419A (zh) * | 2014-08-12 | 2016-03-30 | 富泰华工业(深圳)有限公司 | 电子装置及屏幕翻转方法 |
JP6993198B2 (ja) * | 2017-11-29 | 2022-01-13 | ミネベアミツミ株式会社 | モータ駆動制御装置、モータ駆動システム、モータ駆動制御装置の制御方法、及びモータ駆動制御装置の制御プログラム。 |
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Also Published As
Publication number | Publication date |
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CN104782044A (zh) | 2015-07-15 |
EP2922195A4 (en) | 2017-03-22 |
EP2922195A1 (en) | 2015-09-23 |
TWI504135B (zh) | 2015-10-11 |
TW201419748A (zh) | 2014-05-16 |
JP6053813B2 (ja) | 2016-12-27 |
JPWO2014076787A1 (ja) | 2016-09-08 |
US9760070B2 (en) | 2017-09-12 |
CN104782044B (zh) | 2017-06-09 |
KR20150067256A (ko) | 2015-06-17 |
US20150220070A1 (en) | 2015-08-06 |
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