WO2022224755A1 - Dispositif de commande d'élément d'entraînement - Google Patents

Dispositif de commande d'élément d'entraînement Download PDF

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Publication number
WO2022224755A1
WO2022224755A1 PCT/JP2022/015634 JP2022015634W WO2022224755A1 WO 2022224755 A1 WO2022224755 A1 WO 2022224755A1 JP 2022015634 W JP2022015634 W JP 2022015634W WO 2022224755 A1 WO2022224755 A1 WO 2022224755A1
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WO
WIPO (PCT)
Prior art keywords
motor
control unit
power supply
time
temperature
Prior art date
Application number
PCT/JP2022/015634
Other languages
English (en)
Japanese (ja)
Inventor
大侑 矢頭
豪 遠藤
Original Assignee
株式会社デンソー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社デンソー filed Critical 株式会社デンソー
Publication of WO2022224755A1 publication Critical patent/WO2022224755A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • E05F15/689—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings specially adapted for vehicle windows
    • E05F15/695—Control circuits therefor
    • 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
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/60—Controlling or determining the temperature of the motor or of the drive
    • H02P29/62—Controlling or determining the temperature of the motor or of the drive for raising the temperature of the motor

Definitions

  • the present disclosure relates to a drive member control device.
  • a drive member control device such as a power window control device
  • a device that protects the motor by regulating the amount of current flowing to the motor when the estimated heat generation temperature of the motor exceeds a regulation value (for example, patent Reference 1).
  • a regulation value for example, patent Reference 1
  • the initial temperature of the motor is estimated based on the temperature signal from the temperature sensor when the system is started, and the regulation value is determined according to the initial temperature.
  • the drive member control system it may be necessary to continue to supply power to the motor for a certain period of time, for example, in order to ensure the end state after the drive member hits a frame or the like at the end of operation and is locked.
  • the driving member is a window glass
  • the power supply time from when the lock is started until the power supply to the motor is stopped is set constant, so that the end state of the drive member can be guaranteed regardless of the motor temperature, ambient temperature, etc. It was necessary to set the power feeding time to be long. Therefore, in the conventional drive member control device, power supply to the motor may be excessive when the drive member is locked. This causes the temperature of the motor to rise unnecessarily, and eventually limits the operation of the motor at an early stage.
  • An object of the present disclosure is to provide a driving member control device capable of suppressing an increase in motor temperature.
  • a drive member control device (2) according to a first aspect of the present disclosure controls a motor (M) that drives a drive member (1), and controls power supply to the motor when the drive member is locked.
  • a part (8) is provided.
  • the control unit changes the electric power to be supplied from the start of locking until the electric power supply to the motor is stopped according to at least one of the motor temperature and the ambient temperature.
  • control unit changes the power supply from the start of locking until the power supply to the motor is stopped according to at least one of the motor temperature and the ambient temperature, so that the end state of the driving member is guaranteed. At the same time, an increase in motor temperature can be suppressed.
  • FIG. 1 is a schematic circuit diagram of a power window device in one embodiment
  • FIG. 2 is a characteristic diagram of motor temperature versus time in one embodiment
  • FIG. 3 is a characteristic diagram of motor temperature versus time in one embodiment
  • FIG. 4 is a flow chart for explaining supply time setting processing of the control unit in one embodiment.
  • FIG. 1 As shown in FIG. 1, a window glass 1 as a drive member provided on a vehicle door D is drivingly connected to a motor M in a power window device 2 as a drive member control device via a regulator (not shown) or the like.
  • the motor M drives the window glass 1 to open and close.
  • the power window device 2 includes a rotation detection sensor 3 such as a Hall IC that detects the rotational speed of the motor M.
  • the power window device 2 controls the duty ratio of the drive circuit 7 based on the signal from the rotation detection sensor 3, the signal from the operation switch 4, the signal from the temperature sensor 5, the voltage of the battery 6, and the like.
  • a control unit 8 for supplying a drive voltage to the motor M is provided.
  • the temperature sensor 5 of the present embodiment is, for example, an outside air temperature sensor for detecting the outside air temperature displayed on the vehicle display.
  • the controller 8 has a memory 9 .
  • the memory 9 stores various information including various preset threshold values.
  • the control unit 8 includes 1) one or more processors that execute various processes according to a computer program (software), and 2) an application specific integrated circuit (ASIC) that executes at least part of the various processes. It may be configured as circuitry including one or more dedicated hardware circuits, or 3) combinations thereof.
  • a processor includes a CPU and memory, such as RAM and ROM, which stores program code or instructions configured to cause the CPU to perform processes.
  • Memory or computer-readable media includes any available media that can be accessed by a general purpose or special purpose computer.
  • the control unit 8 supplies power to the motor M to drive the window glass 1 to open and close. Further, the control unit 8 stops power supply to the motor M when, for example, the window glass 1 reaches the fully closed position and hits the frame of the vehicle door D and locks. At this time, the control unit 8 changes the electric power to be supplied to the motor M from the time when the lock is started until the electric power supply to the motor M is stopped according to the motor temperature and the ambient temperature. Note that the control unit 8 detects the start of locking of the window glass 1 based on the signal from the rotation detection sensor 3 .
  • control unit 8 when the motor temperature is low, the control unit 8 reduces the power supplied from the start of locking until the power supply to the motor M is stopped.
  • the control unit 8 of the present embodiment compares the motor temperature with a preset motor temperature threshold, and changes the supplied power in two steps.
  • control unit 8 when the ambient temperature is high, the control unit 8 reduces the power supplied from the time the lock is started until the power supply to the motor M is stopped.
  • the control unit 8 of the present embodiment compares the ambient temperature with a preset ambient temperature threshold and changes the supplied power in two stages.
  • control unit 8 changes the power supply by changing the power supply time. That is, the control unit 8 changes the supply power by changing the supply time from when the lock is started until when the power supply to the motor M is stopped.
  • control unit 8 estimates the motor temperature. Specifically, the controller 8 of the present embodiment estimates the motor temperature based on the drive voltage supplied to the motor M, the number of rotations corresponding to the signal from the rotation detection sensor 3, and the elapsed time.
  • control unit 8 acquires the ambient temperature from the temperature sensor 5 for other uses. Specifically, the controller 8 of the present embodiment acquires the ambient temperature from the temperature sensor 5, which is an outside air temperature sensor for detecting the outside air temperature.
  • step S1 the control unit 8 estimates the motor temperature and obtains the ambient temperature, and proceeds to step S2.
  • step S2 the control unit 8 determines whether or not the estimated motor temperature is greater than a preset motor temperature threshold value Z1. If it is determined to be below, the process proceeds to step S4.
  • step S3 the control unit 8 determines whether or not the acquired ambient temperature is greater than a preset ambient temperature threshold. If it is determined that there is, the process moves to step S6.
  • step S4 the control unit 8 determines whether or not the obtained ambient temperature is greater than a preset ambient temperature threshold. If it is determined to be below, the process proceeds to step S8.
  • step S5 the control unit 8 sets the supply time from the start of locking until the power supply to the motor M is stopped to the first supply time T1, and ends the process. Further, in step S6, the control unit 8 sets the supply time from when the lock is started until when the power supply to the motor M is stopped to the second supply time T2, and ends the process.
  • step S7 the control unit 8 sets the supply time from the start of locking until the power supply to the motor M is stopped to the third supply time T3, and ends the process. Further, in step S8, the control unit 8 sets the supply time from when the lock is started until when the power supply to the motor M is stopped to the fourth supply time T4, and ends the process.
  • the first supply time T1 is set to a time shorter than the second supply time T2 in order to reduce the power supplied from the start of locking until the power supply to the motor M is stopped when the ambient temperature is high.
  • the third supply time T3 is set to be shorter than the fourth supply time T4 in order to reduce the amount of power supplied from the start of locking until the power supply to the motor M is stopped when the ambient temperature is high. .
  • the third supply time T3 is set to be shorter than the first supply time T1 in order to reduce the electric power supplied from the start of locking until the power supply to the motor M is stopped when the motor temperature is low.
  • the fourth supply time T4 is set to be shorter than the second supply time T2 in order to reduce the amount of power supplied from the start of locking until the power supply to the motor M is stopped when the motor temperature is low. .
  • the first supply time T1, the second supply time T2, the third supply time T3, and the fourth supply time T4 are the times that can guarantee the final state of the driving member, more specifically, the fully closed state of the window glass 1. It is set at a guaranteed time.
  • the control unit 8 changes the power supplied from the time the lock is started until the power supply to the motor M is stopped according to the motor temperature and the ambient temperature. It is possible to suppress the increase in motor temperature by suppressing wasteful power consumption.
  • the control unit 8 reduces the amount of electric power supplied from the time the lock is started until the electric power supply to the motor M is stopped. It is possible to suppress consumption and suppress an increase in motor temperature. That is, due to the characteristics of the motor M, when the motor temperature is low, the torque becomes higher than when the motor temperature is high. status can be guaranteed. As a result, wasteful power consumption can be suppressed and an increase in motor temperature can be suppressed.
  • the control unit 8 reduces the amount of power supplied from the time the lock is started until the power supply to the motor M is stopped. can be suppressed to suppress the rise in motor temperature. That is, when the ambient temperature is high, the sliding resistance of each part such as the glass run is smaller than when the ambient temperature is low. A closed state can be guaranteed. As a result, wasteful power consumption can be suppressed and an increase in motor temperature can be suppressed.
  • the operation limit of the motor M is higher than the conventional characteristic X2 when the power supply time is set constant.
  • the time to and the number of times of driving are increased. That is, FIG. 2 shows the characteristic X1 of the embodiment when the operation of fully closing the window glass 1 is repeated, and the conventional characteristic X2 when the power supply time is set constant.
  • the conventional characteristic X2 is that, for example, when the window glass 1 starts to be locked at time t1, it takes a long time to stop supplying power to the motor M even though the motor temperature is low. temperature rise continues for a relatively long time.
  • the characteristic X1 of the present embodiment indicates that, for example, when the window glass 1 starts to be locked at time t1, the motor temperature is equal to or lower than the motor temperature threshold value Z1, so that the power supply to the motor M is stopped. The time is short, and the rapid temperature rise during locking ends relatively quickly.
  • the motor temperature threshold Z1 is a preset value used for determining the supply time until the control unit 8 stops supplying power to the motor M, as described above.
  • the new operation prohibition threshold Z2 is a threshold for prohibiting a new start of operation.
  • FIG. 2 also shows an operation prohibition threshold value Z3 for forcibly stopping power supply to the motor M, for example, an operation prohibition threshold value Z3 for stopping the operation even in the middle of the operation.
  • the waveform may differ from the characteristic X1 of the present embodiment and the conventional characteristic X2. .
  • the characteristic X3 of the present embodiment allows the fully closed operation to be performed one more time than the conventional characteristic X4, and the fully closed operation is performed one time longer in terms of time. It can be performed.
  • the fully closed operation can be performed two or more times more than in the conventional case, and the fully closed operation can be performed twice or more longer in terms of time.
  • the control unit 8 changes the power supply by changing the power supply time from when the lock is started until the power supply to the motor M is stopped. At the same time, useless power consumption can be suppressed, and an increase in motor temperature can be suppressed.
  • the control unit 8 estimates the motor temperature, the motor temperature sensor is not required compared to a configuration using a dedicated motor temperature sensor that directly detects the motor temperature, and the number of parts can be reduced. .
  • control unit 8 acquires the ambient temperature from the temperature sensor 5 for other purposes, for example, compared to a configuration using a dedicated ambient temperature sensor for detecting the ambient temperature, the dedicated ambient temperature sensor is It becomes unnecessary, and the number of parts can be suppressed.
  • control unit 8 changes the power supplied from the time when the lock is started until the power supply to the motor M is stopped according to the motor temperature and the ambient temperature. You may make it change power supply according to only one.
  • the control unit 8 changes the power supply by changing the power supply time from when the lock is started until the power supply to the motor M is stopped. You may make it change power supply by changing . That is, the control unit 8 may change the drive voltage by controlling the duty ratio of the drive circuit 7 from the start of locking until the power supply to the motor M is stopped, according to the motor temperature and the ambient temperature. . Further, the control unit 8 may change the power supply at the time of locking by changing the drive voltage as well as the power supply time.
  • the control unit 8 estimates the motor temperature based on the drive voltage supplied to the motor M, the number of rotations corresponding to the signal from the rotation detection sensor 3, and the elapsed time. It is not limited to this, and the motor temperature may be estimated based on other information.
  • the power window device 2 may be provided with an ammeter for detecting the driving current of the motor M, and the motor temperature may be estimated based on the current value obtained from the ammeter and the elapsed time.
  • control unit 8 estimates the motor temperature, but the present invention is not limited to this. It is good also as composition which acquires motor temperature.
  • the control unit 8 obtains the ambient temperature from the temperature sensor 5, which is an outside air temperature sensor. .
  • the control unit 8 may acquire the ambient temperature from a temperature sensor of a door ECU provided on the vehicle door D.
  • control unit 8 obtains the ambient temperature from the temperature sensor 5 for other purposes, but the present invention is not limited to this.
  • a sensor may be provided to acquire the ambient temperature from the ambient temperature sensor.
  • control unit 8 compares the motor temperature with the preset motor temperature threshold value Z1, and changes the supply power, more specifically, the supply time, in two steps at the time of locking.
  • a threshold value may be set and the supplied power at the time of locking may be changed in three stages or more.
  • control unit 8 may be configured to input the motor temperature into a pre-stored arithmetic expression to calculate the supplied electric power at the time of locking without comparing the motor temperature with the preset motor temperature threshold value Z1.
  • control unit 8 compares the ambient temperature with a preset ambient temperature threshold and changes the supplied power, more specifically, the supply time, in two steps.
  • the power supply at the time of locking may be changed in three stages or more.
  • control unit 8 may be configured to input the ambient temperature into a pre-stored arithmetic expression to calculate the power to be supplied at the time of locking without comparing the ambient temperature with a preset ambient temperature threshold.
  • control unit 8 performs control to change the supplied power from the start of locking when the window glass 1 reaches the fully closed position. Control may be performed to change the supplied power from the time of lock start when the lock is started.
  • the power window device 2 in which the drive member is the window glass 1 is embodied, but the present invention is not limited to this, and may be embodied in another drive member control device that drives another drive member.
  • references herein to "at least one of A and B" should be understood to mean “A only, or B only, or both A and B.”

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Window Of Vehicle (AREA)
  • Control Of Electric Motors In General (AREA)

Abstract

L'invention concerne un dispositif de commande d'un élément d'entraînement qui comprend une unité de commande (8) commandant un moteur (M) qui entraîne un élément d'entraînement (1), et coupe l'alimentation électrique du moteur au moment de verrouiller l'élément d'entraînement. L'unité de commande modifie la puissance d'alimentation à partir du moment de démarrage du verrouillage jusqu'à ce que l'alimentation électrique du moteur soit coupée en fonction de la température du moteur et/ou de la température ambiante.
PCT/JP2022/015634 2021-04-23 2022-03-29 Dispositif de commande d'élément d'entraînement WO2022224755A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021073582A JP2022167645A (ja) 2021-04-23 2021-04-23 駆動部材制御装置
JP2021-073582 2021-04-23

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Publication Number Publication Date
WO2022224755A1 true WO2022224755A1 (fr) 2022-10-27

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PCT/JP2022/015634 WO2022224755A1 (fr) 2021-04-23 2022-03-29 Dispositif de commande d'élément d'entraînement

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WO (1) WO2022224755A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5651968U (fr) * 1979-09-28 1981-05-08
JPS61196779A (ja) * 1985-02-26 1986-08-30 Japan Steel Works Ltd:The 電動式射出成形機の制御装置
JP2003336444A (ja) * 2002-05-20 2003-11-28 Niles Co Ltd 車両用パワーウインド装置
JP2008208639A (ja) * 2007-02-27 2008-09-11 Denso Corp スライドドアの自動開閉装置
JP2017002638A (ja) * 2015-06-12 2017-01-05 株式会社ミツバ 車両用開閉装置
JP2020122317A (ja) * 2019-01-30 2020-08-13 株式会社デンソー 開閉体制御装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5651968U (fr) * 1979-09-28 1981-05-08
JPS61196779A (ja) * 1985-02-26 1986-08-30 Japan Steel Works Ltd:The 電動式射出成形機の制御装置
JP2003336444A (ja) * 2002-05-20 2003-11-28 Niles Co Ltd 車両用パワーウインド装置
JP2008208639A (ja) * 2007-02-27 2008-09-11 Denso Corp スライドドアの自動開閉装置
JP2017002638A (ja) * 2015-06-12 2017-01-05 株式会社ミツバ 車両用開閉装置
JP2020122317A (ja) * 2019-01-30 2020-08-13 株式会社デンソー 開閉体制御装置

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