WO2004090273A1 - 移動装置及び移動体開閉制御装置 - Google Patents
移動装置及び移動体開閉制御装置 Download PDFInfo
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- WO2004090273A1 WO2004090273A1 PCT/JP2004/005153 JP2004005153W WO2004090273A1 WO 2004090273 A1 WO2004090273 A1 WO 2004090273A1 JP 2004005153 W JP2004005153 W JP 2004005153W WO 2004090273 A1 WO2004090273 A1 WO 2004090273A1
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- WIPO (PCT)
- Prior art keywords
- door
- moving
- sensor
- moving body
- contact
- Prior art date
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
-
- 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
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/42—Detection using safety edges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/12—Alarms or signals
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/45—Control modes
- E05Y2400/452—Control modes for saving energy, e.g. sleep or wake-up
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/80—User interfaces
- E05Y2400/81—Feedback to user, e.g. tactile
- E05Y2400/812—Acoustic
- E05Y2400/814—Sound emitters, e.g. loudspeakers
- E05Y2400/816—Voice
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/80—User interfaces
- E05Y2400/81—Feedback to user, e.g. tactile
- E05Y2400/83—Travel information display
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/531—Doors
Definitions
- the present invention relates to a moving device having a safety function against unnecessary contact of an object. Further, the present invention detects that a moving object has caught an object in a self-propelled traveling device, a power window of an automobile, an electric sliding door, an electric sunroof, an automatic door of a building, and controls opening and closing of the moving object.
- the present invention relates to a moving object opening / closing control device. Background technology>
- FIG. 7 is an external view of an automobile equipped with a sliding door
- FIG. 8 is a cross-sectional view taken along line AA of FIG.
- 1 is a body side body (passenger seat side door in FIG. 7)
- 2 is a sliding door
- 3 is a pressure sensor
- 4 is a support for supporting the pressure sensor 3 on the slide door 2
- 5 and 6 are flanges.
- the pressure-sensitive sensor 4 has a plurality of electrodes arranged opposite to each other, and detects contact of an object when the electrodes come into contact with each other due to pressure when the object comes into contact with the pressure sensor 3. It is.
- the slide door 2 is driven by an electric motor (not shown) and control means for controlling the electric motor.
- a pressure sensor similar to the above is disposed around a tailgate of an automobile.
- the pressure sensor and the body are closed.
- Pressure sensor detection of object being caught between Then, the object is released from being caught by inverting the tailgate by reversing the electric motor (see Patent Document 2).
- the conventional moving device described in Patent Document 2 is, for example,-When the door closing operation is started in a state where an object such as a human hand is in contact with the periphery of the telegate 7, the touched place is Since the moving speed is slow near the upper part of the tailgate, that is, near the center of rotation, sufficient pressure is not applied to the electrodes of the pressure-sensitive sensor unless the hands are unnaturally stuck. There was a situation where the door closing operation was continued without the pressure sensor being able to detect hand contact.
- An object of the present invention is to solve such a conventional problem, and an object of the present invention is to provide a moving device that safely controls a moving object even when the contacting object is soft or the moving object is slow.
- the back door switch 101 is provided in the driver's seat or the engine key of the vehicle, and instructs the computer 102 as a control means to open and close the back door by wire or wirelessly.
- the computer 102 receives an operation command from the back door switch 101, and drives the back door motor 104 forward or backward, or stops through the dry door 103.
- the driver 103 is supplied with power from the battery 105 and drives the back door motor 104.
- a closer assembly that draws in and closes the door is arranged on the vehicle side.
- the closer assembly includes a closer motor 106 as a driving means and a pair of junctions 107 and 108.
- the junctions 107 and 108 are provided so as to be connected to each other in a state immediately before the back door pivots downward and is fully closed.
- the junction 107 is connected to the computer 102, and inputs a signal when the junction 107 and the junction 108 are connected to the computer 102.
- the computer 102 stops the back door motor 104 via the dryno 103 and drives the closer motor 106 via another driver 109.
- the closer motor 106 moves the back door to the fully-closed position via the occluding means constituting the closer assembly and locks it.
- the vehicle can be configured to be able to automatically open and close the pack door only by operating the back switch 101 by the driving force of the back door motor 104 and the closer motor 106.
- a pressure sensor 110 which detects that a foreign object is caught between the back door and the vehicle body, and inputs the foreign object to the computer 102 via the current detecting element 111.
- the pressure-sensitive sensor 110 a sensor using conductive rubber shown in FIG. 16 is used.
- the pressure-sensitive sensor 110 has a circular cross-section, and has an outer skin portion 112 made of an insulating material such as rubber or soft synthetic resin material, and four spirally arranged along the longitudinal direction.
- the electrode wires 1 13, ir-4, -I "15, 1 16 are formed. When the outer sheath 1 1 2 is elastically deformed, the electrode wires 1 13 1 to 1 16 bend, They come into contact with each other and conduct.
- Patent Document 3 Patent Document 3
- Patent Document 4 Patent Document 4
- the present invention solves the above-mentioned conventional problems, and provides a moving body opening / closing control device capable of reliably detecting a collision / trapping of a door when the door is opened and closed while suppressing current. Aim.
- the present invention provides an object detection device, which detects a contact of an object, or stops the movement of the moving object when the detachment of the contacted object is detected.
- the driving means is controlled to reverse the moving direction of the moving body.
- a moving body opening / closing control device of the present invention includes a flexible cable-shaped piezoelectric sensor, and stops power supply to the piezoelectric sensor when the engine is stopped. Power is supplied to the sensor when the door is opened, and the output of the sensor is monitored both during the opening and closing operations.
- FIG. 1 is a cross-sectional view of the moving device according to the first embodiment at a position corresponding to line A—A in FIG. 7, and FIG. 2A is a configuration diagram of a piezoelectric sensor of the device.
- (b) is a cross-sectional view taken along the line B-B of (a)
- FIG. 3 is a block diagram of the device
- FIG. 4 is an output signal V from a piezoelectric sensor when detecting contact with an object by the device.
- Fig. 5 is a characteristic diagram showing the detection output J of the detection unit and the applied voltage Vm to the driving means.Fig. 5 shows the output signal V from the piezoelectric sensor when the device detects separation of the object, the detection output J of the detection unit, FIG.
- FIG. 6 is a characteristic diagram showing the voltage Vm applied to the driving means
- FIG. 6 is an external view of the moving device according to the second embodiment of the invention
- FIG. 7 is an external view of an automobile equipped with a sliding door as a conventional moving device
- FIG. 8 is a cross-sectional view taken along line AA of FIG. 7 in a conventional moving device
- FIG. FIG. 10 is a perspective view of the closing control device
- FIG. 11 is a perspective view of the same device in an open state
- FIG. 11 is a cross-sectional view of a main part of the same device in a sensor mounted state
- FIG. 12 is a piezoelectric device of the same device.
- Fig. 13 is a partial perspective view showing the detailed configuration of the sensor
- Fig. 13 is a partial perspective view showing the detailed configuration of the sensor
- FIG. 13 is a block diagram showing the system configuration of the same device
- Fig. 14 is the same timing chart as Fig. 14, and
- Fig. 15 is the system configuration of the conventional mobile opening / closing control device.
- FIG. 16 is a partial perspective view showing a detailed configuration of a sensor of a conventional moving body opening / closing control device.
- FIG. 17 is a cross-sectional view of a main part showing a sensor mounted state according to a fifth embodiment of the present invention.
- FIG. 18 is a perspective view of a moving object opening / closing control device according to Embodiment 6 of the present invention.
- 2 is a slide door (moving body), 8 is an object detecting means, 9 is a piezoelectric sensor, 1 is a detecting section, 20 is a driving means, 21 is an informing means, -2 2 is a control means, 2 3 is a bumper, 2 4 is a traveling vehicle (moving body), 101 is a back door switch, 1 18 is a back door, 1 2 6 is a bracket, 1 2 8 is a protector, 1 2 9 is a piezoelectric sensor, and 135 is a control unit.
- the invention according to claim 1 is characterized in that the object detecting means provided on the moving body detects contact of an object, or detects separation of the contacted object.
- the driving means is controlled to stop the movement of the moving body or to reverse the moving direction of the moving body.
- the moving device wherein the object detecting means is based on a flexible piezoelectric sensor and an output signal of the piezoelectric sensor. It is equipped with a detection unit that detects contact or detachment of an object.Because a flexible piezoelectric sensor is used, when it bends like a conventional electrode contact type pressure sensor, the electrodes come into contact. Can be freely arranged along the shape of the moving object without erroneous detection, improving the degree of freedom of arrangement and detecting contact or detachment of objects even at bent parts, improving reliability. I do.
- the invention according to claim 3 is particularly directed to the moving device according to claim 2, wherein the detection unit detects an object when an amplitude of an output signal of the piezoelectric sensor is out of a preset setting range. It is determined that either contact or detachment has occurred.
- the bending state and polarization direction of the piezoelectric sensor, and the assignment of the electrodes (the force used as the reference potential, the supporting direction of the piezoelectric sensor, etc.) Even if the polarity of the output signal changes, if the amplitude of the output signal of the piezoelectric sensor is out of the preset range, it is determined that either contact or detachment of the object has occurred. Instead, safety control of the moving object becomes possible.
- the invention set forth in claim 4 is particularly directed to the moving device according to any one of claims 1 to 3, wherein the moving object is: , Trunk lid, lifting window, sunroof, opening / closing wing for truck bed, and at least one opening / closing door for building, elevator doors, shutters, etc. By detecting this, the drive of the door can be controlled safely.
- a vehicle according to any one of the first to third aspects of the invention, wherein the moving object is a traveling vehicle having a bumper.
- the means is disposed on the bumper of the traveling vehicle as a moving body disposed on the bumper, and the traveling of the traveling vehicle can be controlled safely by detecting contact or detachment of an object from the bumper.
- the invention according to claim 6 is a method according to claim 1, wherein the object detection means detects contact or detachment of an object with respect to the moving device according to any one of claims 1 to 5,
- the means has a notification means to stop the movement of the moving body or to reverse the moving direction of the moving body. The warning can alert the surrounding people, and the reliability of the device can be further improved. Convenience is improved.
- Embodiment 1 shows a case in which the moving device of the present invention is applied to a sliding door of an automobile.
- FIG. 1 is a cross-sectional view at a position corresponding to line AA of FIG. 7 in the moving device of the first embodiment.
- Fig. 1 shows the sliding door completely closed, with the upper side of the drawing showing the interior of the vehicle and the lower side showing the outside of the vehicle.
- Fig. 1, 1 is a body side body (the end of the passenger side door in Fig. 7), and 2 is a sliding door as a moving body.
- Reference numeral 7 denotes a vehicle body side body
- reference numeral 8 denotes a contact detecting means, which has a flexible cable-shaped piezoelectric sensor 9 and a supporting portion 10 which supports the piezoelectric sensor 9 and is made of an elastic body.
- As the elastic body a synthetic rubber such as EPDM or a thermoplastic elastomer may be used.
- the piezoelectric sensor 9 is inserted into an insertion hole provided in the vicinity of the tip of the support portion 10. At the time of insertion, a lubricant such as zinc stearate is applied to the insertion hole or the surface of the piezoelectric sensor 9. I'm sorry.
- the support 10 has more flexibility than the piezoelectric sensor 9. Further, by providing the hollow portion 11 in the supporting portion 10, the piezoelectric sensor 9 is more deformed and shrunk by pressing when the object comes into contact with the object detecting means 8. Note that a configuration may be used in which the hollow portion 11 is not provided in the support portion 10 and the piezoelectric sensor 9 is made more flexible by using a foamed resin or the like.
- the support portion 10 is attached to the attachment portion 12 with, for example, a double-sided tape. At the time of mounting, the mounting portion 12 is mounted on the mounting portion 12 with double-sided tape while the support portion 10 is arranged along the convex guide portion 13 provided along the end of the mounting portion 12.
- the mounting portion 12 is fixed to the end of the sliding door 2 with screws or the like.
- the support section 10 is directly applied to the end of the slide door 2 with double-sided tape. 004/005153, the mounting part 12 is not required, and the apparatus can be rationalized.
- FIG. 2 (a) shows a configuration diagram of the piezoelectric sensor 9, and FIG. 2 (b) shows a cross-sectional view taken along line BB of FIG. 2 (a).
- the piezoelectric sensor 9 is installed at the tip and is disconnected from the piezoelectric sensor; a resistor enclosing section 15 enclosing a resistor for short-circuit detection, and a cable-shaped sensing section. 16 and a detection unit 17 with a built-in filter, amplifier, comparator, disconnection / short detection circuit, etc. (not shown), a power supply 18 and a code 18 for outputting a detection signal, and a control unit 22 to be described later.
- the connector 19 is provided.
- the sensing part 16 has a center electrode 16a, a composite piezoelectric layer 16b composed of a rubber elastic body mixed with piezoelectric ceramic sintered powder, an outer electrode 16c, It is formed by laminating a coating layer 16 d concentrically and molding it into a cable shape.
- the rubber elastic body for example, chlorinated polyethylene is used.
- the sensing unit 16 is manufactured by the following steps. First, a chlorinated polyethylene sheet and (40 to 70) vol% piezoelectric ceramic (here, lead zirconate titanate) powder are uniformly mixed into a sheet by a roll method.
- these pellets are continuously extruded together with the center electrode 16a to form a composite piezoelectric layer 16b.
- a pseudo electrode is brought into contact with the outside of the composite piezoelectric layer 16b, and a DC high voltage of (5 to 10) kVZm is applied between the center electrode 16a and the pseudo electrode, so that the composite piezoelectric layer is formed.
- a polarization of 16 b is performed.
- the outer electrode 16c is wound around the composite piezoelectric layer 16b.
- the outer layer 16b is wound around and the coating layer 16d is continuously extruded.
- the composite piezoelectric layer 16b uses chlorinated polyethylene, the vulcanization step required for the production of general synthetic rubber is unnecessary.
- a disconnection / short detection resistor (not shown) is connected between the center electrode 16 a and the outer electrode 16 b.
- the above-described filter, amplifier, comparator, disconnection / short detection circuit, and the like are implemented as custom ICs.
- noise suppression components such as EMI filters and feedthrough capacitors are installed in the input section on the sensing section 16 side, the power input section on the cord 18 side, and the output section of the detection signal to prevent electrical noise. Is used.
- the body enclosing part 15 and the detecting part 17 are both covered with a conductor on the outer periphery, the conductor is electrically connected to the outer electrode 16 c and the ground side of the power supply, and the entire piezoelectric sensor 9 is shielded. Configuration.
- the filter removes unnecessary signals caused by vibration of the body of the automobile from the output signal of the piezoelectric sensor 9, and removes unnecessary signals generated by the piezoelectric sensor 9 when the piezoelectric sensor 9 is deformed by contact with an object. It has a filtering characteristic that extracts only unique frequency components. The determination of the filtering characteristics may be optimized in consideration of the vibration characteristics and the like of the vehicle body. Specifically, it is desirable to use a low-pass filter that extracts signal components of about 10 Hz or less in order to remove vibrations caused by the opening and closing of the engine, running, and doors of automobiles. Further, the filter may include a notch filter that removes only a component of vibration caused by an opening / closing operation of an engine, a vehicle, or a door of an automobile.
- FIG. 3 is a block diagram of the moving device according to the first embodiment of the present invention.
- reference numeral 20 denotes a drive unit composed of an electric motor for driving the slide door 2, 21 a notification unit, and 22 a drive unit 20 and a notification unit 21 based on an output signal of the object detection unit 8. It is a control means.
- FIG. 4 is a characteristic diagram showing an output signal V from the piezoelectric sensor 9, a detection output J of the detection unit 17, and a voltage Vm applied to the driving means 20 of the moving device of the first embodiment.
- Vd the voltage Vd
- the sliding door 2 starts the closing operation.
- an alarm may be generated from the control means 22 for calling attention.
- the object detection means 8 provided at the end of the electric slide door 2, and the object is pressed by the support section 1.
- the supporting portion 10 is more flexible than the piezoelectric sensor 9, the supporting portion 10 is compressed and deformed by pressing around the place where the object contacts, and the hollow portion 11 is crushed. Accordingly, the piezoelectric sensor 9 also bends and deforms around the place where the object comes into contact with the support 10.
- the support 1 ⁇ has a hollow 11, and the support 10 is compressed at the time of contact, so that the amount of deformation of the piezoelectric sensor 9 increases.
- the piezoelectric sensor 9 can obtain a large amount of deformation, and the acceleration, which is the second derivative of the amount of deformation, also increases.
- the output signal of the piezoelectric sensor 9 also increases. This makes it easier to distinguish between the signal component at the time of the original contact and the signal component due to extraneous vibration or electrical noise, thereby increasing the accuracy of the contact determination and eliminating erroneous determinations.
- the detection unit 17 outputs Lo when there is no contact with the object, but if the positive amplitude of V from VO (V-VO) is D0 or more due to the contact of the object, it is determined that contact has occurred. Judgment is made, and a signal Hi is output as a judgment output at time t2. The Hi signal is continued as long as the amplitude (V ⁇ V O) is equal to or greater than D O.
- the control unit 22 When the control unit 22 receives the Hi signal from the object detection unit 8, the application of the + Vd voltage to the driving unit 20 is stopped, and a voltage of 1 Vd is applied for a certain time to open the slide door 2 for a certain distance. Operate the door and release the contact. In this case, the door may be opened until the slide door 2 is completely opened. Further, in the control means 22, when the Hi signal is received from the object detection means 8, the notification means 21 generates a predetermined voice signal stored in advance. As this audio signal, for example, a message such as “Opens the slide door because contact was detected-;; ⁇ .
- the notification means 2 is, for example, a V-powered navigation device or a car audio device. May also be used.
- a signal component on the negative side of V 0 is generated. This is because the contact of the object is detected, the sliding door 2 is opened for a certain distance, and the object detection means 8 outputs the object. Is an output signal generated from the piezoelectric sensor 9 when the sensor is separated. That is, when the object separates from the object detecting means 8, the pressing by the contact disappears, so that the elastically deformed support portion 10 is restored, and the deformation of the piezoelectric sensor 9 is restored at the same time. Then, when the deformation of the piezoelectric sensor 9 is restored, an output signal having a polarity opposite to that when the object is in contact is generated. This is due to the known characteristics of the piezoelectric effect.
- FIG. 5 is a characteristic diagram showing the output signal V from the piezoelectric sensor 9, the detection output J of the detection unit 17, and the voltage V m applied to the driving means 20 at that time.
- the object detection means 8 and the hand come into contact with each other, and the pressure due to the contact of the object is applied to the support 10 and the piezoelectric sensor 9.
- the detecting unit 17 determines that there is no contact with the object, and outputs Lo, the voltage of Vd is continuously applied to the driving means, and the sliding door 2 continues the closing operation.
- the user notices that unnecessary contact has occurred because the hand is kept pushed on the slide door 2, and removes his / her hand from the object detection means 8 before the hand is caught between the body 1 and the slide door 2. Let it. At that time, a large signal is generated at V on the negative side of V O as shown in FIG. This is due to the known characteristics of the piezoelectric effect as described above. At this time, in the case of the above-mentioned detachment, the hand often detaches quickly to avoid pinching, so that the supporting portion 10 which has been deformed naturally recovers suddenly, and at the same time, the piezoelectric sensor 9 "also deforms rapidly.
- the acceleration when the deformation of the piezoelectric sensor 9 is restored increases, and the amplitude of the signal generated on the negative side from VO also increases in proportion to the acceleration, and the negative voltage from VO decreases.
- the direction amplitude (VO-V) is greater than DO.
- the detection unit 17 determines that separation has occurred, and outputs a Hi signal as a determination output at time t6.
- the Hi signal continues as long as the amplitude (VO-V) is greater than or equal to DO.
- the control means 22 stops the application of the voltage of + Vd to the driving means 20 when the Hi signal is present, and applies the voltage of 1 Vd for a certain time to open the slide door 2 for a certain distance. In this case, the door opening operation may be performed until the slide door 2 is completely opened.
- the notification means 21 when the Hi signal is received from the object detection means 8, the notification means 21 generates a predetermined audio signal similar to that described above.
- the slide door 2 is controlled to be inverted by the control means 22. If the sliding door 2 does not detect the removal of the object that was in contact during the door closing operation, or if the object touches the body 1 side, the sliding door 2 continues the door closing operation and the body 1 An object is sandwiched between the sliding door 2 and the sliding door 2.At this time, the pressure applied to the object detecting means 8 is a prize force due to the weight of the sliding door 2, so that the object contacts during the closing operation of the sliding door 2. Bigger than when you do.
- the acceleration of the deformation of the object detection means 8 and the piezoelectric sensor 9 also increases, and a sufficiently large signal having an amplitude of D0 or more in FIG. 4 is output from the piezoelectric sensor 9, so that the detection unit 17 Contact of an object can be reliably detected.
- the door opening operation after the contact detection is the same as the above-described operation.
- the detecting unit 17 forms an electric circuit with a system from a power supply to a predetermined resistor to a center electrode 16a to a disconnection 'short detection resistor to an outer electrode 16c (ground).
- 6a is a voltage value obtained by dividing the power supply voltage by the resistor and the disconnection / short detection resistor. Therefore, when at least one of the center electrode 16a and the outer electrode 16c is disconnected, the voltage V of the input unit to which the center electrode '16a is connected in the detection unit 17 becomes equal to the power supply voltage.
- V i becomes the ground potential.
- the disconnection / wire / short detection circuit mounted on the detector 17 detects such a behavior of Vi to detect the disconnection and short-circuit of the piezoelectric sensor 9, and when the disconnection or short-circuit is detected, the detector 17 The Hi signal is output continuously.
- the control means 22 receives the Hi signal continuously from the detection unit 17 for a predetermined period of time, the piezoelectric sensor 9 is disconnected. An error message is displayed at the same time, the power supply to the drive means 20 is prohibited, and the slide door 2 is switched to be opened and closed manually.
- the moving device of the first embodiment even if the contact of the object is not detected during the closing operation of the slide door 2 (moving body) due to the softness of the contacting object and the slow speed of the moving body, On the other hand, when the object detecting means 8 detects that the object has been detached, the driving of the slide door 2 (moving body) is controlled, so that the safety is improved.
- the flexible piezoelectric sensor 9 since the flexible piezoelectric sensor 9 is used, there is no erroneous detection due to contact between the electrodes when bent, as in a conventional electrode contact type pressure sensor. ) Can be freely arranged in accordance with the shape of), so that the degree of freedom of arrangement is improved, and the contact or detachment of an object can be detected even at a bent part, so that the reliability is improved.
- the driving means stops the movement of the moving body or notifies the user or the surrounding people by notifying that the moving direction of the moving body is reversed. Therefore, the reliability and convenience of the apparatus are further improved.
- the moving body is a sliding door of a car.
- the moving body is a tailgate, a trunk lid, an elevating window, a sunroof, an opening / closing wing for a truck bed, and doors and shutters of buildings and elevators.
- At least one opening / closing door may be used, and the drive of the opening / closing door can be safely controlled by detecting contact or detachment of an object with these opening / closing doors.
- the detection unit may detect contact or detachment of the object based on the polarity and amplitude of the output signal of the piezoelectric sensor, and may output a separate detection signal for contact and detachment detection.
- the control means inverts the moving body to open the door until the door is completely opened, and when the detachment of the object is detected, the control means If the moving object is turned over or stopped for a predetermined time and then closed again, or if the moving object detects contact with the object before starting the door opening operation, the moving object is detected until the detachment of the object is detected.
- the driving method of the moving body can be diversified, and the usability and safety can be further improved.
- the driving means when the object detection means detects the contact of the object, or when the detachment of the contacted object is detected, the driving means is controlled to reverse the moving direction of the moving body.
- the configuration may be such that the object detection means detects the contact of the object, or stops the movement of the moving body when the detachment of the contacted object is detected.
- the driving of the sliding door 2 is controlled safely.
- an object is also detected at the rear end of the sliding door 2.
- the same safety control is performed. In such a case, a similar safety control may be performed.
- FIG. 6 is an external view of the mobile device according to the second embodiment.
- the moving body is a traveling vehicle 24 having a bumper 23, and the object detecting means 8 is disposed on the bumper 23.
- the object detection means 8 detects contact of an object, or stops traveling of the traveling vehicle 24 when the detachment of the contacted object is detected.
- the traveling direction of the traveling vehicle 24 is reversed for a predetermined time.
- the traveling vehicle 24 may not travel until the detachment of the object is detected.
- the present embodiment is applicable to all traveling vehicles on which bumpers can be mounted, such as various types of self-propelled carts such as automobiles, automatic guided vehicles, golf carts, and the like.
- Embodiment 3 The invention of Embodiment 3 will be described below.
- This embodiment is different from the first and second embodiments in that the detecting unit 17 detects that the contact or detachment of the object occurs when the amplitude of the output signal of the piezoelectric sensor 9 is out of a preset range. The point is that it is determined to have occurred.
- the detecting unit 17 detects that the contact or detachment of the object occurs when the amplitude of the output signal of the piezoelectric sensor 9 is out of a preset range. The point is that it is determined to have occurred.
- the object detection means 8 determines Output Hi signal as output.
- the above processing may be performed using a window comparator.
- the polarity of V to VO may change depending on conditions such as the bending state of the piezoelectric sensor 9, the polarization direction, and the electrode assignment (which is the reference potential, the supporting direction of the piezoelectric sensor 9, etc.).
- the detection unit 17 determines that either the contact or the detachment has occurred based on the absolute value of the amplitude of V from VO. As a result, contact and detachment cannot be distinguished and detected. However, safety control of the moving body can be performed without being affected by the above conditions.
- a traveling vehicle having an opening / closing door and a bumper of an automobile or the like is used as a moving body.
- various driving units of a machine tool, an arm of a robot, a lifting / lowering storage device, and the like are used.
- the present invention can be applied to various other moving objects.
- the invention described in claim 7 is a movable body that is configured to be openable and closable, a sensor attached to the movable body and configured to detect vibration or pinching caused by contact of an object, and an output of the sensor.
- a control unit that controls the opening and closing operation of the moving body based on a signal, wherein the control unit starts power transmission to the sensor at least when the moving body opens the door, and the sensor detects an object during the door closing operation.
- the moving body opening / closing control device stops or closes the moving body when the moving body is closed, so that the sensor can detect a collision with the door when the door is opened and closed.
- the thing-is. '' The invention set forth in claim 8 is characterized in that a flexible cable-like piezoelectric sensor is used as a sensor attached to the moving body and detecting vibration or pinching generated by contact with an object.
- the movable body opening / closing control device described in paragraph 4 above enables the flexible and caple-shaped piezoelectric sensor to detect the vibration of the door, thereby ensuring the detection of collision with the door when the door is opened and closed, and the detection of entrapment. Can be done.
- the invention described in claim 9 is a claim according to claim 7, wherein the movement of the moving body is stopped or closed if the sensor detects vibration or pinching during the door opening operation of the moving body.
- the invention described in claim 10 is the moving body opening / closing control device according to claim 7, wherein the power supply to the sensor is continued while the moving body is in the door open state. Therefore, the sensor can reliably detect the collision or pinching of the door when the door is closed, which occurs at any timing while suppressing the dark current.
- the invention according to claim 11 includes a movable body that is configured to be openable and closable, a sensor that detects entrapment generated by a movable body attached to a fixed portion facing the movable body, A control unit for controlling the moving unit, wherein the control unit is a moving body opening / closing control device that starts energizing the sensor at least when the moving body opens the door. Is detected by the sensor.
- the invention described in claim 12 is a flexible and open / closed control device according to claim 5 using a flexible cable-like piezoelectric sensor as a sensor.
- a flexible cable-like piezoelectric sensor as a sensor.
- the invention described in claim 13 is the moving body opening / closing control device according to claim 11 configured to continue energizing the sensor while the moving body is in the door open state. This allows the sensor to reliably detect a collision with the door when the door closes, which occurs at any timing while suppressing the dark current.
- the invention described in claim 14 includes a movable body configured to be openable and closable, a sensor attached to the movable body for detecting vibration generated by contact of an object, and a control unit for controlling these.
- the control unit has a function of detecting an instantaneous interruption of the power supply. When the instantaneous interruption is detected, the control unit interrupts or reduces the speed of the movement of the moving object, and after the power supply recovers and counts a predetermined time, By using a moving body opening / closing control device configured to operate the moving body normally, the sensor can be reliably operated.
- FIG. 9 is a perspective view of a vehicle in which the present invention is mounted on a back door of an automobile as a moving body.
- a back door 118 is provided at the back of the vehicle body 117 so as to be freely opened and closed.
- FIG. 10 is a perspective view showing a state where the back door 118 is opened.
- a luggage room (luggage room) 1 19 is formed inside the car, and luggage can be carried in and out of the car.
- the back door 118 is rotatably supported by a hinge (not shown) around its upper end 120 by a hinge (not shown), and is rotated by a back door motor (not shown).
- the back door 1 1 8 is supported by a damper 1 2 1.
- the damper-121 consists of a cylinder and a biston force, and is provided to absorb the impact of opening and closing the back door 118 so that it can be opened and closed smoothly.
- the opening 122 of the vehicle body 117 facing the back door 118 is generally called a luggage, and closes the inside of the vehicle body 117 together with the nondoor 118.
- FIG. 11 is a cross section A—A of the outer periphery of the back door 118, and shows the mounting structure of the sensor.
- the back door 1 18 is formed of two sheet metals. An inner panel 1 2 3 located on the luggage room 1 1 9 side and an outer panel 1 2 4 located on the outside of the vehicle. The two panels are formed so that the ends of the outer panel 124 are folded back at the outer edges 125, and meet the inner panel 123.
- the peripheral portion of the back door 118 becomes thin and thin as shown in the figure due to this configuration, but the central portion is posted so that the inner 123 protrudes to the luggage room 119 side, and the sock door 111 —8 has thickness.
- the sensor is mounted on this thick part.
- the bracket 1 26 is fixed to the thick portion of the back door 18 by a screw 127, and holds the protector 128 at one end.
- a piezoelectric sensor 129 is provided at the tip of the protector 128, a piezoelectric sensor 129 is provided.
- the piezoelectric sensor 129 is a flexible, cable-shaped piezoelectric sensor, the details of which will be described later.
- the protector 128 holds the piezoelectric sensor 129 elastically, and is made of a resin such as rubber, such as EPDM, which has more flexibility than the piezoelectric sensor 129, or an elastomer having elasticity.
- FIG. 12 is a partially cutaway perspective view showing the details of the piezoelectric sensor 12. It is composed of a center electrode 13 1, an outer electrode 13 2 as a signal guiding electrode, a composite piezoelectric material 13 3 between both electrodes, and a coating layer 1 34, and has an outer diameter of 2.5 mm. It is shaped like a cable.
- the composite piezoelectric material 133 is formed using a composite piezoelectric material obtained by mixing chlorinated polyethylene and piezoelectric ceramic powder.
- the piezoelectric sensor 1229 is highly sensitive, durable and has high production efficiency, and in combination with the above-described configuration of the protector 128, can sufficiently exhibit its original function and can perform good contact detection. is there.
- FIG. 13 is a block diagram showing the configuration of the control system according to the present invention.
- the packed switch 101 is provided in the driver's seat or the engine key of the vehicle, and instructs the control unit 135 to open and close the back door by wire or wirelessly.
- the control unit 135 comprises a microphone port computer or the like, receives an operation command from the backdoor switch 101, drives the backdoor motor 104 forward and backward through a driver 103, and Or stop it. Dryno 103 is powered from battery 105 via switch 1336 and drives backdoor motor 104. On / off of the switch 1336 is controlled by the control unit 135.
- a closer assembly that draws in and closes the door is arranged on the vehicle side.
- the closer assembly is composed of a closer motor 106 as driving means and a junction 13 7 .
- the juncture 13 7 is turned downward under the back door lis and is in the state immediately before it is fully closed.
- Output closer signal to 1 3 5. By monitoring this signal, the control unit 135 can detect that the back door has moved to the closed position.
- the control unit 135 stops the pack door motor 104 via the driver 103 and drives the closer motor 106 via another driver 109.
- the closer motor 106 moves the back door to the fully-closed position via the closing means constituting the closer assembly and locks it. Dryno 109 is also supplied with power from notch 105 via switch 138 and drives closer motor 106.
- the battery 105 also supplies power to the piezoelectric sensor 129 via the switch 139, and of course also supplies power to the control unit 135. With the switches 13 5, 13 8, and 13 9, the control unit 13 5 can freely control the power supply to the piezoelectric sensor 12 9, the back door motor 104, and the closer motor 106. .
- the output signal of the piezoelectric sensor 129 is amplified to a predetermined magnification by the amplifier 140, input to the low-pass filter 141 to extract only the contact signal, and after removing noise, it is the comparator 144. A comparison with a threshold value is performed, and it is determined whether there is a pinch or a collision, and then input to the control unit 135.
- the control unit 135 can rotate the back door by operating the back door switch 101 only by the driving force of the back door motor 104 and the closer motor 106 to open and close it automatically.
- a possible configuration can be realized.
- the low-pass filter 14 1 has a large time constant and a force S for which the period of instability is small during startup. According to this configuration, the sensor is activated at the same time as the door opening operation, so it must be detected reliably. Pinching can be performed safely when the door is closed.
- FIG. 14 is a time chart showing what kind of control the control unit 135 performs in such a system.
- the back door switch is operated independently of the operation of the engine. In other words, even if the engine key is removed, the back door switch commands opening A and closing B. At this time, the control unit is in, for example, a sleep mode to suppress the dark current, and the power consumption is suppressed to about 1 mA. Then, the mode is shifted to the normal operation mode by the back door switch opening instruction A.
- the control unit that has started the normal operation starts power supply to the sensor.
- the back door motor is driven in the opening direction via the driver 103.
- the control unit stops the back door motor via the driver 103, and stops further movement of the door in the door opening direction, which is extremely safe.
- the back door switch commands the closing B. Then, the control unit drives the back door motor via the driver 103 in the closing direction. During this time, as soon as the piezoelectric sensor detects the contact, the door is urged in the door opening direction to release the foreign matter between the doors.
- the closer motor is driven via the driver 109 and the back door is locked in the closed position.
- the power supply to the piezoelectric sensor is stopped again, and the control unit returns to the sleep mode.
- the power supply to the piezoelectric sensor is kept suspended until a back door switch opening command is issued. As a result, the electric current can be further reduced, and the burden on the battery can be reduced.
- the control unit detects this and suspends or reduces the speed of the back door movement, and after the power supply recovers and counts the predetermined time, By configuring the moving body to operate normally, the motor / sensor can reliably function normally.
- a moving object opening / closing control device capable of reliably detecting a collision or entrapment at the time of opening and closing the back door while suppressing dark current is provided. To provide.
- FIG. 17 shows a moving object opening / closing control device according to the fifth embodiment of the present invention.
- the basic configuration and operation are the same as those of the fourth embodiment, and therefore, only the differences will be described.
- a sensor is arranged at a section BB in FIG. In other words, the sensor is provided on the vehicle body that is on the fixed side instead of the moving body side.
- FIG. 18 shows a moving body opening / closing control device according to the sixth embodiment of the present invention. Since the basic configuration and operation are the same as those of the fourth embodiment, only the differences will be described. As shown in the figure, a piezoelectric sensor can be provided at the section A—A at one end section of the slide door 144. Further, the present invention can be similarly applied to the section BB of the sunroof 144. Further, it can be provided also at the section C-C of the cross section of the power window 145.
- the present invention can be widely applied to not only a back door but also a sliding door, a sun roof, a power window, and the like.
- the moving device of the present invention for example, since the contacting object is soft or the speed of the moving object is low, the moving object is closed during the door closing operation. Even if the contact cannot be detected, the movement of the moving object is stopped or the moving direction of the moving object is reversed when the detachment of the object is detected by the object detecting means, so that the safety is improved.
- the moving body opening / closing control device of the present invention not only detection of collision / trapping at the time of closing the door while suppressing the dark current, but also It is possible to realize a safe movable body opening / closing control device that can solve the trouble at the time of opening the door.
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Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/551,411 US20060191203A1 (en) | 2003-04-09 | 2004-04-09 | Moving device and open/close control device for moving body |
EP04726815A EP1612361A1 (en) | 2003-04-09 | 2004-04-09 | Moving device and open/close control device for moving body |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003105084A JP2004308304A (ja) | 2003-04-09 | 2003-04-09 | 移動体開閉制御装置 |
JP2003-105084 | 2003-04-09 | ||
JP2003-107614 | 2003-04-11 | ||
JP2003107614A JP2004316087A (ja) | 2003-04-11 | 2003-04-11 | 移動装置 |
Publications (1)
Publication Number | Publication Date |
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WO2004090273A1 true WO2004090273A1 (ja) | 2004-10-21 |
Family
ID=33161534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/005153 WO2004090273A1 (ja) | 2003-04-09 | 2004-04-09 | 移動装置及び移動体開閉制御装置 |
Country Status (3)
Country | Link |
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US (1) | US20060191203A1 (ja) |
EP (1) | EP1612361A1 (ja) |
WO (1) | WO2004090273A1 (ja) |
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US8493081B2 (en) | 2009-12-08 | 2013-07-23 | Magna Closures Inc. | Wide activation angle pinch sensor section and sensor hook-on attachment principle |
US9234979B2 (en) | 2009-12-08 | 2016-01-12 | Magna Closures Inc. | Wide activation angle pinch sensor section |
US9954224B2 (en) | 2009-12-02 | 2018-04-24 | Sumitomo Metal Mining Co., Ltd. | Nickel-cobalt-manganese complex hydroxide particles and method for producing same, positive electrode active material for nonaqueous electrolyte secondary battery and method for producing same, and nonaqueous electrolyte secondary battery |
CN109812166A (zh) * | 2017-11-22 | 2019-05-28 | 纳博特斯克有限公司 | 门夹物探测装置和门开闭装置 |
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DE112006000637T5 (de) * | 2005-03-22 | 2008-02-28 | Asmo Co., Ltd., Kosai | Öffnungs-/Schließvorrichtung |
JP2008057157A (ja) * | 2006-08-30 | 2008-03-13 | Aisin Seiki Co Ltd | 移動体の制御装置 |
JP5015854B2 (ja) * | 2008-04-24 | 2012-08-29 | アスモ株式会社 | 開閉装置 |
JP5284224B2 (ja) * | 2009-09-01 | 2013-09-11 | アスモ株式会社 | 開閉装置 |
US8348330B2 (en) * | 2009-12-01 | 2013-01-08 | Toyota Motor Engineering & Manufacturing North America, Inc. | Wire harness protector and touch sensor assembly |
US8752332B2 (en) * | 2011-04-21 | 2014-06-17 | Honda Motor Co., Ltd. | Vehicle slide door pinch sensor assembly |
JP6346163B2 (ja) * | 2015-12-18 | 2018-06-20 | ファナック株式会社 | ドア開閉装置を備えた工作機械 |
KR101717483B1 (ko) * | 2016-05-24 | 2017-03-17 | 윤성운 | 미닫이창 자동 닫힘 장치 |
JP6341346B1 (ja) * | 2018-02-15 | 2018-06-13 | 日立金属株式会社 | 挟み込み検知スイッチ |
JP7221753B2 (ja) * | 2019-03-21 | 2023-02-14 | 西川ゴム工業株式会社 | タッチセンサー付きスライドドアのシール構造 |
US11661784B2 (en) * | 2019-05-09 | 2023-05-30 | Toyota Motor Engineering & Manufacturing North America, Inc. | Detection devices for hazard detection for automotive closures |
EP4143807A4 (en) * | 2020-04-03 | 2024-09-25 | J. Brasch Co., LLC | CARPET PRESENCE DETECTION SYSTEM |
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US9954224B2 (en) | 2009-12-02 | 2018-04-24 | Sumitomo Metal Mining Co., Ltd. | Nickel-cobalt-manganese complex hydroxide particles and method for producing same, positive electrode active material for nonaqueous electrolyte secondary battery and method for producing same, and nonaqueous electrolyte secondary battery |
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CN109812166A (zh) * | 2017-11-22 | 2019-05-28 | 纳博特斯克有限公司 | 门夹物探测装置和门开闭装置 |
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JP2019093900A (ja) * | 2017-11-22 | 2019-06-20 | ナブテスコ株式会社 | 戸挟み検知装置及びドア開閉装置 |
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JP6990567B2 (ja) | 2017-11-22 | 2022-01-12 | ナブテスコ株式会社 | 戸挟み検知装置及びドア開閉装置 |
Also Published As
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US20060191203A1 (en) | 2006-08-31 |
EP1612361A1 (en) | 2006-01-04 |
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