WO2016113857A1 - 方向指示システムおよび方向指示装置 - Google Patents
方向指示システムおよび方向指示装置 Download PDFInfo
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- WO2016113857A1 WO2016113857A1 PCT/JP2015/050775 JP2015050775W WO2016113857A1 WO 2016113857 A1 WO2016113857 A1 WO 2016113857A1 JP 2015050775 W JP2015050775 W JP 2015050775W WO 2016113857 A1 WO2016113857 A1 WO 2016113857A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/46—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for giving flashing caution signals during drive, other than signalling change of direction, e.g. flashing the headlights or hazard lights
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
- B60Q1/343—Manually actuated switching arrangements therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
- B60Q1/38—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction using immovably-mounted light sources, e.g. fixed flashing lamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
- B60Q1/52—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking for indicating emergencies
Definitions
- the present invention relates to a direction indication system and a direction indication device.
- a vehicle (motorcycle, automobile, etc.) direction indicating system includes left and right direction indicating lights, an ignition switch, a direction indicating switch, a hazard switch, a battery, and a direction indicating device.
- the direction indicating device operates by the voltage supplied from the battery, and performs lighting control of the direction indicating lamp according to the state of the direction indicating switch or the hazard switch. For example, when the ignition switch is turned on and the hazard switch is turned on, the direction indicating device performs a hazard operation of blinking both the left direction indicator lamp and the right direction indicator lamp.
- the direction indicating device has a hazard holding function for holding the hazard operation until the hazard switch is turned off even if the ignition switch is turned off during the hazard operation.
- This hazard holding function has been conventionally realized using a microcomputer, a logic circuit, or the like.
- a hazard holding function is realized by using a current detection circuit, a holding circuit, and a blinking control circuit.
- the holding circuit determines whether a hazard operation is being performed based on the current flowing through each direction indicator lamp detected by the current detection circuit.
- the blinking control circuit performs control to hold the blinking signal based on the determination result of the holding circuit. That is, when it is determined that the hazard operation is being performed, the blinking control circuit holds a current for blinking the direction indicator lamp even after the ignition switch is turned off.
- the determination threshold when the determination threshold is set high as in the determination threshold TH1 in FIG. 4, it is impossible to detect that the hazard operation is being performed when the battery voltage is low.
- the determination threshold value is set low as in the determination threshold value TH2 in FIG. 4, it is erroneously determined that the hazard operation is being performed when the battery voltage is high.
- the determination threshold is set in the vicinity of the middle of TH1 and TH2 as in the determination threshold TH3 in FIG. 4, there is a problem that it is not possible to detect that the hazard operation is being performed when one of the direction indicator lights is disconnected. . Therefore, there is a possibility that the hazard operation cannot be maintained when the ignition switch is turned off during the hazard operation.
- the present invention has been made based on the above technical recognition, and provides a direction indicating device and a direction indicating system capable of reliably holding the hazard operation when the ignition switch is turned off during the hazard operation.
- the purpose is to do.
- a direction indication system includes: An on-state having a first terminal and a second terminal, electrically connecting the first terminal and the second terminal, and between the first terminal and the second terminal; An ignition switch that can be switched between an electrically open and off state; An on-state having a third terminal, a fourth terminal, and a fifth terminal, and electrically connecting the third terminal, the fourth terminal, and the fifth terminal; A hazard switch that can be switched between an OFF state in which the terminal, the fourth terminal, and the fifth terminal are electrically opened.
- a sixth terminal, a seventh terminal, and an eighth terminal, wherein the sixth terminal and the eighth terminal are electrically connected; and the seventh terminal and the eighth terminal A direction indicating switch capable of switching between a state of electrically connecting terminals and a state of electrically opening the sixth terminal, the seventh terminal, and the eighth terminal; One end connected to the sixth terminal of the direction indicating switch, the other end connected to the ground, and a first direction indicating lamp that lights when a current flows; One end connected to the seventh terminal of the direction indicating switch, the other end connected to the ground, and a second direction indicating lamp that lights when a current flows; A first battery connection terminal connected to the positive electrode of the battery; a second battery connection terminal connected to the positive electrode of the battery via the ignition switch; a third terminal and a first direction of the hazard switch A first direction indicator lamp connection terminal connected to one end of the indicator lamp; a fourth terminal of the hazard switch; and a second direction indicator lamp connection terminal connected to one end of the second direction indicator lamp; A direction indicating device having a
- the hazard operation for blinking both the first and second direction indicator lamps by the drive current of the blinking cycle output from the drive current output terminal is performed, and the ignition switch is turned off during the hazard operation.
- the operation is performed by a voltage supplied from the first battery connection terminal, and the drive current is output.
- the direction indicating device includes: A drive current output unit that outputs the drive current while the voltage of the battery is being supplied; A hazard detection that outputs a hazard detection signal indicating that the hazard switch is in an on state when the drive current is detected from both the first direction indicator lamp connection terminal and the second direction indicator lamp connection terminal. And When receiving the hazard detection signal, a power holding unit that outputs a power holding signal while the hazard switch is in an on state; While receiving the power holding signal, a power supply unit that supplies the voltage of the battery input from the first battery connection terminal to the drive current output unit, Have
- the power holding unit includes a capacitor that is charged by the voltage of the battery while receiving the hazard detection signal, and outputs the power holding signal based on the voltage of the capacitor.
- the holding time based on the capacitor and the resistor connected in series to the capacitor is determined so as to satisfy the formula (1).
- ⁇ is the holding time
- T is the blinking cycle of the driving current.
- the holding time based on the capacitor and the resistor connected in series to the capacitor is determined so as to satisfy the formula (2).
- ⁇ is the holding time
- T is the blinking cycle of the driving current.
- the hazard detector is One end is connected to the ground terminal, the control terminal is connected to the first direction indicator lamp connection terminal, one end is connected to the other end of the first switching element, and the control terminal is A second switching element connected to the second direction indicator lamp connection terminal,
- the hazard detection unit is configured to detect the hazard detection signal when the first and second switching elements are turned on when the driving current is input to the first and second direction indicator lamp connection terminals.
- the power holding unit is One end is connected to the second battery connection terminal, a control terminal is connected to the other end of the second switching element, and one end is connected to the other end of the third switching element.
- a capacitor having the other end connected to the ground terminal, a resistor having one end connected to one end of the capacitor, one end connected to the ground terminal, and a control terminal connected to the other end of the resistor.
- the power supply holding unit outputs an L-level signal as the power supply holding signal from the other end of said fourth switching element
- the power supply unit A fifth switching element having one end connected to the first battery connection terminal, the other end connected to the drive current output unit, and a control terminal connected to the other end of the fourth switching element; When the control terminal of the fifth switching element receives the L level signal as the power holding signal, the fifth switching element becomes conductive.
- a direction indicating device includes: An on-state having a first terminal and a second terminal, electrically connecting the first terminal and the second terminal, and between the first terminal and the second terminal; An ignition switch that can be switched between an electrically open and off state; An on-state having a third terminal, a fourth terminal, and a fifth terminal, and electrically connecting the third terminal, the fourth terminal, and the fifth terminal; A hazard switch that can be switched between an OFF state in which the terminal, the fourth terminal, and the fifth terminal are electrically opened.
- a direction indicating switch capable of switching between a state of electrically connecting terminals and a state of electrically opening the sixth terminal, the seventh terminal, and the eighth terminal;
- a direction indicating device used for a direction indicating system comprising: A first battery connection terminal connected to the positive electrode of the battery; a second battery connection terminal connected to the positive electrode of the battery via the ignition switch; a third terminal and a first direction of the hazard switch A first direction indicator lamp connection terminal connected to one end of the indicator lamp; a fourth terminal of the hazard switch; and a second direction indicator lamp
- the direction indication device includes a third terminal of the hazard switch and a first direction indicator lamp connection terminal connected to one end of the first direction indicator lamp, and a fourth terminal of the hazard switch. And a second direction indicator lamp connection terminal connected to one end of the second direction indicator lamp, and a drive current output terminal connected to the eighth terminal of the direction indicator switch and the fifth terminal of the hazard switch. Then, the ON state of the hazard switch is detected via the first and second direction indicator lamp connection terminals. Thereby, the direction indicating device can reliably detect that the hazard operation is being performed.
- the direction indicating device operates by the voltage supplied from the first battery connection terminal connected to the positive electrode of the battery when the ignition switch is turned off during the hazard operation, and the first and second directions. Drive current is output to the indicator lamp. Thereby, even if an ignition switch is an OFF state, a hazard operation
- a direction indication device and a direction indication system that enable an inexpensive and simple circuit to reliably hold a hazard operation when the ignition switch is turned off during the hazard operation. it can.
- FIG. 1 is a schematic configuration diagram of a direction indication system 1 according to an embodiment of the present invention. It is a schematic block diagram of the direction indication apparatus 2 which concerns on embodiment of this invention. It is a time chart which shows the operation example of the direction indication system 1 which concerns on embodiment. It is a time chart which shows the operation example of the direction indication system 1 which concerns on embodiment following FIG. 3A. It is a graph for demonstrating the problem in the case of determining whether a hazard operation
- the direction indication system 1 includes a direction indication device 2, an ignition switch 3, a hazard switch 4, a direction indication switch 5, and direction indication lights 6 ⁇ / b> A and 6 ⁇ / b> B (first direction). Indicator lights), direction indicator lights 7A and 7B (second direction indicator lights), and a battery B.
- the direction indicating device 2 operates by the voltage supplied from the battery B, and performs lighting control of the direction indicating lamps 6A, 6B, 7A, and 7B according to the state of the hazard switch 4 and the direction indicating switch 5.
- the direction indicating device 2 includes a battery connection terminal BAT1 (first battery connection terminal), a battery connection terminal BAT2 (second battery connection terminal), a ground terminal GND to be grounded,
- Direction indicator lamp connection terminal L-SW first direction indicator lamp connection terminal
- direction indicator lamp connection terminal R-SW second direction indicator lamp connection terminal
- direction indicator lamps 6A, 6B, 7A, 7B And a drive current output terminal LOAD that outputs a drive current for blinking.
- Battery connection terminals BAT1 and BAT2 are terminals for connecting the direction indicating device 2 to the battery B. More specifically, the battery connection terminal BAT1 is directly connected to the positive electrode of the battery B, and the battery connection terminal BAT2 is connected to the positive electrode of the battery B via the ignition switch 3. As shown in FIG. 1, the battery connection terminal BAT2 is connected to the terminal 3a of the ignition switch 3, and is connected to the positive electrode of the battery B when the ignition switch 3 is on.
- the direction indicator lamp connection terminal L-SW is a terminal for detecting whether or not drive current is flowing through the direction indicator lamps 6A and 6B. As shown in FIG. 1, the direction indicator lamp connection terminal L-SW is connected to the terminal 4a of the hazard switch 4 and one end of the direction indicator lamps 6A and 6B.
- the direction indicator lamp connection terminal R-SW is a terminal for detecting whether or not a drive current is flowing through the direction indicator lamps 7A and 7B. This direction indicator lamp connection terminal R-SW is connected to the terminal 4b of the hazard switch 4 and one end of the direction indicator lamps 7A and 7B.
- the drive current output terminal LOAD is a terminal for supplying a drive current to the direction indicator lamps 6A, 6B, 7A, 7B.
- the drive current output terminal LOAD is connected to the terminal 5 c of the direction indicating switch 5 and the terminal 4 c of the hazard switch 4.
- the direction indicator lamp connection terminal L-SW receives the drive current output from the drive current output terminal LOAD and supplied to the direction indicator lamps 6A and 6B.
- the direction indicator lamp connection terminal R-SW receives the drive current output from the drive current output terminal LOAD and supplied to the direction indicator lamps 7A and 7B.
- the direction indicator 6A and 6B and the direction indicators 7A and 7B flash.
- the direction indicator lamp connection terminal L-SW and the direction indicator lamp connection terminal R-SW receive the drive current output from the drive current output terminal LOAD and supplied to the direction indicator lamps 6A, 6B, 7A, 7B.
- the ignition switch 3 is a switch for starting / stopping a vehicle drive device (not shown) such as an engine.
- the ignition switch 3 includes a terminal 3a (first terminal) and a terminal 3b (second terminal).
- the ignition switch 3 is in an on state in which the terminal 3a and the terminal 3b are electrically connected to each other. It is configured to be switchable between an off state in which the gap is electrically opened.
- the hazard switch 4 is a switch for performing a hazard operation by blinking the direction indicator lights 6A, 6B, 7A, 7B.
- the hazard switch 4 has a terminal 4a (third terminal), a terminal 4b (fourth terminal), and a terminal 4c (fifth terminal).
- the hazard switch 4 is configured to be switchable between an on state in which the terminals 4a, 4b, and 4c are electrically connected and an off state in which the terminals 4a, 4b, and 4c are electrically opened. Has been.
- the direction indication switch 5 is a switch for instructing the moving direction of the vehicle by blinking the direction indication lights 6A and 6B or the direction indication lights 7A and 7B.
- the direction indicating switch 5 includes a terminal 5a (sixth terminal), a terminal 5b (seventh terminal), and a terminal 5c (eighth terminal).
- the direction indicating switch 5 is electrically connected between the terminal 5a and the terminal 5c, electrically connected between the terminal 5b and the terminal 5c, and electrically connected between the terminal 5a, the terminal 5b, and the terminal 5c. It is configured to be able to switch between open states.
- the direction indicator lights 6A, 6B, 7A, 7B will be described.
- the direction indicator lights 6A and 6B are attached to the left side of the vehicle (not shown), and the direction indicator lights 7A and 7B are attached to the right side of the vehicle.
- the direction indicator lights 6A and 7A are attached to the front of the vehicle, and the direction indicator lights 6B and 7B are attached to the rear of the vehicle.
- the direction indication lamps 6A, 6B, 7A, and 7B may be light bulbs or LED lamps including a plurality of LED elements.
- the direction indicator lights 6A and 6B are connected in parallel to each other as shown in FIG.
- Each of the direction indication lamps 6A and 6B has one end connected to the terminal 5a of the direction indication switch 5 and the other end connected to the ground, and lights up when a current flows.
- the direction indicator lights 7A and 7B are connected in parallel to each other.
- Each of the direction indication lamps 7A and 7B has one end connected to the terminal 5b of the direction indication switch 5 and the other end connected to the ground, and lights up when a current flows.
- the direction indicating device 2 uses the direction indicator lamps 6A and 6B according to the driving current of the blinking cycle T output from the driving current output terminal LOAD. And the hazard operation which blinks both the direction indicator lamps 7A and 7B is performed.
- the direction indicating device 2 detects the ON state of the hazard switch 4 (that is, the state where the hazard switch 4 is pressed) through the direction indicating lamp connection terminal L-SW and the direction indicating lamp connection terminal R-SW. . Thereby, the direction indicating device 2 can reliably detect that the hazard operation is being performed. Then, when the ignition switch 3 is turned off during the hazard operation, the direction indicating device 2 operates by the voltage supplied from the battery connection terminal BAT1, and supplies a driving current to the direction indicating lamps 6A, 6B, 7A, 7B. Output. Thereby, even if the ignition switch 3 is in an OFF state, the hazard operation can be reliably maintained.
- the direction indication device 2 includes a drive current output unit 21, a hazard detection unit 22, a power supply holding unit 23, and a power supply unit 24.
- the drive current output unit 21 outputs a drive current for blinking the direction indicator lamp while the voltage of the battery B is supplied.
- the voltage of the battery B is supplied to the drive current output unit 21 via the battery connection terminal BAT2.
- the ignition switch 3 is turned off during the hazard operation (that is, when the hazard operation is maintained)
- the voltage of the battery B is supplied to the drive current output unit 21 via the battery connection terminal BAT1. Supplied.
- the hazard detection unit 22 outputs a hazard detection signal indicating that the hazard switch 4 is in an ON state when driving current is detected from both the direction indicator lamp connection terminal L-SW and the direction indicator lamp connection terminal R-SW. To do.
- the hazard detection unit 22 includes a switching element Q1 (first switching element) and a switching element Q2 (second switching element).
- the switching elements Q1, Q2 are, for example, NPN type bipolar transistors.
- resistors R11, R12, R21, R22 may be provided as shown in FIG.
- Resistor R11 and resistor R12 are provided at the base terminals of switching element Q1 and switching element Q2, respectively.
- the resistor R21 is provided between the base terminal and the emitter terminal of the switching element Q1
- the resistor R22 is provided between the base terminal and the emitter terminal of the switching element Q2.
- the switching elements Q1 and Q2 are not limited to bipolar transistors, and may be other switching elements (such as field effect transistors).
- Switching element Q1 and switching element Q2 are connected in series.
- the control terminal (base terminal) of the switching element Q1 is connected to the direction indicator lamp connection terminal L-SW, and the control terminal (base terminal) of the switching element Q2 is connected to the direction indicator lamp connection terminal R-SW. That is, one end (emitter terminal) of the switching element Q1 is connected to the ground terminal GND, and the control terminal is connected to the direction indicator lamp connection terminal L-SW.
- the switching element Q2 has one end (emitter terminal) connected to the other end (collector terminal) of the switching element Q1, and a control terminal connected to the direction indicator lamp connection terminal R-SW.
- the switching element Q1 and the switching element Q2 are in a conductive state. Thereby, the hazard detection part 22 outputs the L level signal as a hazard detection signal from the other end (collector terminal) of the switching element Q2.
- the power supply holding unit 23 When receiving the hazard detection signal, the power supply holding unit 23 outputs a power supply hold signal while the hazard switch 4 is on.
- the power holding unit 23 includes a switching element Q3 (third switching element), a capacitor C1, a resistor R1 connected in series to the capacitor C1, and a switching element Q4 (fourth switching element).
- the switching element Q3 is, for example, a PNP-type bipolar transistor
- the switching element Q4 is, for example, an NPN-type bipolar transistor.
- resistors R13, R23, and R24 may be provided as shown in FIG.
- the resistor R13 is provided at the base terminal of the switching element Q3.
- the resistor R23 is provided between the base terminal and the emitter terminal of the switching element Q3, and the resistor R24 is provided between the base terminal and the emitter terminal of the switching element Q4.
- switching elements Q3 and Q4 are not limited to bipolar transistors, but may be other switching elements (field effect transistors or the like).
- the switching element Q3 has one end (emitter terminal) connected to the battery connection terminal BAT2, a control terminal (base terminal) connected to the other end (collector terminal) of the switching element Q2, and the other end (collector terminal) connected to the capacitor C1. It is connected.
- the capacitor C1 has one end connected to the other end (collector terminal) of the switching element Q3 and the other end connected to the ground terminal GND.
- One end of the resistor R1 is connected to one end of the capacitor C1, and the other end is connected to the control terminal of the switching element Q4.
- the switching element Q4 has one end (emitter terminal) connected to the ground terminal GND and the control terminal (base terminal) connected to the other end of the resistor R1. Further, the other end (collector terminal) of the switching element Q ⁇ b> 4 is connected to the power supply unit 24 as an output terminal of the power supply holding unit 23.
- the switching element Q3 When the control terminal of the switching element Q3 receives the hazard detection signal (L level signal) from the hazard detection unit 22, the switching element Q3 becomes conductive and the capacitor C1 is charged by the voltage of the battery B. When the voltage of the capacitor C1 reaches the threshold voltage of the switching element Q4, the switching element Q4 becomes conductive. As a result, the power holding unit 23 outputs an L level signal as a power holding signal from the other end (collector terminal) of the switching element Q4.
- L level signal the hazard detection signal
- the power holding unit 23 has the capacitor C1 that is charged by the voltage of the battery B while receiving the hazard detection signal, and is configured to output the power holding signal based on the voltage of the capacitor C1. Has been.
- the power supply unit 24 supplies the drive current output unit 21 with the voltage of the battery B input from the battery connection terminal BAT1 while receiving the power supply holding signal output from the power supply holding unit 23.
- the power supply unit 24 includes a switching element Q5 (fifth switching element).
- the switching element Q5 is, for example, a P-type MOSFET.
- resistors R15 and R25 may be provided as shown in FIG.
- the resistor R15 is provided at the gate terminal of the switching element Q5, and the resistor R25 is provided between the gate terminal and the source terminal of the switching element Q5.
- the switching element Q5 is not limited to a field effect transistor, and may be another switching element (such as a bipolar transistor).
- the switching element Q5 has one end (source terminal) connected to the battery connection terminal BAT1, the other end (drain terminal) connected to the drive current output unit 21, and the control terminal (gate terminal) switched. It is connected to the other end (collector terminal) of the element Q4.
- the control terminal of the switching element Q5 receives the power holding signal (L level signal)
- the switching element Q5 becomes conductive.
- the voltage of the battery B can be supplied to the drive current output unit 21 via the battery connection terminal BAT1.
- the direction indicating device 2 can be configured by a simple and inexpensive circuit without using a complicated and expensive logic circuit or microcomputer.
- the ignition switch 3 is turned on. Thereby, the voltage of the battery B input from the battery connection terminal BAT2 is supplied to the drive current output unit 21, and the drive current output unit 21 outputs the drive current.
- This drive current is, for example, a rectangular wave with a period T as shown in FIG. 3A.
- the hazard detection unit 22 detects the drive current from both the direction indicator lamp connection terminal L-SW and the direction indicator lamp connection terminal R-SW, and outputs a hazard detection signal (L level signal). As shown in FIG. 3A, since the hazard detection signal is synchronized with the drive current, the hazard detection signal is output at time t 3 .
- the capacitor C1 When the power holding unit 23 receives the hazard detection signal and the switching element Q3 becomes conductive, the capacitor C1 is charged by the voltage of the battery B input from the battery connection terminal BAT2. Then, at time t 4, the voltage of the capacitor C1 reaches the threshold voltage of the switching element Q4. As a result, the switching element Q4 becomes conductive, and a power holding signal (L level signal) is output from the power holding unit 23. When receiving the power holding signal, the switching element Q5 becomes conductive. As a result, the voltage of the battery B is supplied to the drive current output unit 21 not only from the battery connection terminal BAT2 but also from the battery connection terminal BAT1.
- hazard detection unit 22 stops the output of the hazard detection signal. Therefore, the switching element Q3 is in an insulated state, and charging of the capacitor C1 is stopped. The electric charge stored in the capacitor C1 is discharged from the ground terminal GND through the resistor R1. Thus, between the time t 5 to time t 6 (the time when the drive current becomes the H level), as shown in FIG. 3A, the voltage of the capacitor C1 gradually decreases.
- This holding time is the time from when the hazard switch 4 is turned off until the power holding unit 23 stops outputting the power holding signal (that is, the output of the power holding unit 23 becomes H level). That is, in FIG. 3B, the retention time is the time from the time t 8 to time t 9.
- the power supply holding unit 23 can output the power supply holding signal and can continue the voltage supply via the battery connection terminal BAT1.
- the hazard detection unit 22 stops detecting the drive current from at least one of the direction indicator lamp connection terminals L-SW and R-SW, and therefore stops outputting the hazard detection signal.
- the direction indicating switch 5 electrically connects the terminals 5a and 5c or between the terminals 5b and 5c (that is, left or right by the direction indicating switch 5).
- the hazard detector 22 detects the drive current from the direction indicator lamp connection terminal L-SW or R-SW. However, in this case, the hazard detection unit 22 does not output a hazard detection signal as can be understood from the above configuration.
- the switching element Q3 Since the hazard detection unit 22 does not output a hazard detection signal, the switching element Q3 is in an insulated state, the charge stored in the capacitor C1 is discharged, and the voltage of the capacitor C1 decreases. Then, at time t 9, the voltage of the capacitor C1 decreases to the threshold voltage of the switching element Q4, switching element Q4 is insulated. For this reason, the power holding unit 23 stops outputting the power holding signal, and the switching element Q5 of the power supply unit 24 is in an insulated state. As a result, the voltage supply to the drive current output unit 21 is stopped, the drive current is not output, and the hazard operation is stopped.
- the holding time ⁇ based on the capacitor C1 and the resistor R1 may be determined so as to satisfy Expression (2).
- ⁇ holding time
- T drive current blinking cycle.
- the direction indication device 2 includes the direction indicator lamp connection terminal L-SW connected to the terminal 4a of the hazard switch 4 and one end of the direction indication lamps 6A and 6B.
- the direction indication device 2 detects the ON state of the hazard switch 4 via the direction indication lamp connection terminal L-SW and the direction indication lamp connection terminal R-SW. Thereby, the direction indicating device 2 can reliably detect that the hazard operation is being performed.
- the direction indicating device 2 operates by the voltage supplied from the battery connection terminal BAT1 connected to the positive electrode of the battery, and the direction indicating lamps 6A, 6B, A drive current is output to 7A and 7B. Thereby, even if the ignition switch 3 is in an OFF state, the hazard operation can be reliably maintained.
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Abstract
Description
第1の端子および第2の端子を有し、前記第1の端子と前記第2の端子の間を電気的に接続するオン状態と、前記第1の端子と前記第2の端子の間を電気的に開放するオフ状態とを切り替え可能なイグニッションスイッチと、
第3の端子、第4の端子および第5の端子を有し、前記第3の端子と前記第4の端子と前記第5の端子の間を電気的に接続するオン状態と、前記第3の端子と前記第4の端子と前記第5の端子の間を電気的に開放するオフ状態とを切り替え可能なハザードスイッチと、
第6の端子、第7の端子および第8の端子を有し、前記第6の端子と前記第8の端子の間を電気的に接続する状態と、前記第7の端子と前記第8の端子の間を電気的に接続する状態と、前記第6の端子と前記第7の端子と前記第8の端子の間を電気的に開放する状態とを切り替え可能な方向指示スイッチと、
前記方向指示スイッチの第6の端子に一端が接続され、接地に他端が接続され、電流が流れると点灯する第1の方向指示灯と、
前記方向指示スイッチの第7の端子に一端が接続され、接地に他端が接続され、電流が流れると点灯する第2の方向指示灯と、
バッテリの正極に接続される第1のバッテリ接続端子と、前記イグニッションスイッチを介して前記バッテリの正極に接続される第2のバッテリ接続端子と、前記ハザードスイッチの第3の端子および第1の方向指示灯の一端に接続される第1の方向指示灯接続端子と、前記ハザードスイッチの第4の端子および第2の方向指示灯の一端に接続される第2の方向指示灯接続端子と、前記方向指示スイッチの第8の端子および前記ハザードスイッチの第5の端子に接続される駆動電流出力端子と、を有する方向指示装置と、を備え、
前記方向指示装置は、前記第1および第2の方向指示灯接続端子を介して前記ハザードスイッチのオン状態を検出し、前記イグニッションスイッチがオン状態の場合において前記ハザードスイッチがオン状態になったときには、前記駆動電流出力端子から出力される点滅周期の駆動電流により前記第1および第2の方向指示灯の両方を点滅させるハザード動作を行い、前記ハザード動作中に前記イグニッションスイッチがオフ状態になったときには、前記第1のバッテリ接続端子から供給される電圧により動作し、前記駆動電流を出力することを特徴とする。
前記方向指示装置は、
前記バッテリの電圧が供給されている間、前記駆動電流を出力する駆動電流出力部と、
前記第1の方向指示灯接続端子および前記第2の方向指示灯接続端子の両方から前記駆動電流を検出した場合に、前記ハザードスイッチがオン状態であることを示すハザード検出信号を出力するハザード検出部と、
前記ハザード検出信号を受信すると、前記ハザードスイッチがオン状態の間、電源保持信号を出力する電源保持部と、
前記電源保持信号を受信している間、前記第1のバッテリ接続端子から入力された前記バッテリの電圧を前記駆動電流出力部に供給する電源供給部と、
を有する。
前記電源保持部は、前記ハザード検出信号を受信している間前記バッテリの電圧により充電されるコンデンサを有し、前記コンデンサの電圧に基づいて前記電源保持信号を出力する。
前記コンデンサおよび、前記コンデンサに直列接続された抵抗に基づく保持時間が、式(1)を満たすように決められている。
T/2 < τ ・・・(1)
ここで、τ:前記保持時間、T:前記駆動電流の点滅周期である。
前記コンデンサおよび、前記コンデンサに直列接続された抵抗に基づく保持時間は、式(2)を満たすように決められる。
τ < T ・・・(2)
ここで、τ:前記保持時間、T:前記駆動電流の点滅周期である。
前記ハザード検出部は、
一端が接地端子に接続され、制御端子が前記第1の方向指示灯接続端子に接続された第1のスイッチング素子と、一端が前記第1のスイッチング素子の他端に接続され、制御端子が前記第2の方向指示灯接続端子に接続された第2のスイッチング素子とを有し、
前記ハザード検出部は、前記第1および前記第2の方向指示灯接続端子に前記駆動電流が入力された場合に前記第1および前記第2のスイッチング素子が導通状態となることにより前記ハザード検出信号としてのLレベル信号を前記第2のスイッチング素子の他端から出力し、
前記電源保持部は、
一端が前記第2のバッテリ接続端子に接続され、制御端子が前記第2のスイッチング素子の他端に接続された第3のスイッチング素子と、一端が前記第3のスイッチング素子の他端に接続され、他端が前記接地端子に接続されたコンデンサと、一端が前記コンデンサの一端に接続された抵抗と、一端が前記接地端子に接続され、制御端子が前記抵抗の他端に接続された第4のスイッチング素子とを有し、前記第3のスイッチング素子の制御端子が前記ハザード検出信号としてのLレベル信号を受信すると、前記第3のスイッチング素子が導通状態となって前記コンデンサが前記バッテリの電圧により充電され、前記コンデンサの電圧が前記第4のスイッチング素子の閾値電圧に達すると、前記第4のスイッチング素子が導通状態となることにより前記電源保持部は、前記電源保持信号としてのLレベル信号を前記第4のスイッチング素子の他端から出力し、
前記電源供給部は、
一端が前記第1のバッテリ接続端子に接続され、他端が前記駆動電流出力部に接続され、制御端子が前記第4のスイッチング素子の他端に接続された第5のスイッチング素子を有し、前記第5のスイッチング素子の制御端子が前記電源保持信号としてのLレベル信号を受信すると、前記第5のスイッチング素子が導通状態となる。
第1の端子および第2の端子を有し、前記第1の端子と前記第2の端子の間を電気的に接続するオン状態と、前記第1の端子と前記第2の端子の間を電気的に開放するオフ状態とを切り替え可能なイグニッションスイッチと、
第3の端子、第4の端子および第5の端子を有し、前記第3の端子と前記第4の端子と前記第5の端子の間を電気的に接続するオン状態と、前記第3の端子と前記第4の端子と前記第5の端子の間を電気的に開放するオフ状態とを切り替え可能なハザードスイッチと、
第6の端子、第7の端子および第8の端子を有し、前記第6の端子と前記第8の端子の間を電気的に接続する状態と、前記第7の端子と前記第8の端子の間を電気的に接続する状態と、前記第6の端子と前記第7の端子と前記第8の端子の間を電気的に開放する状態とを切り替え可能な方向指示スイッチと、
前記方向指示スイッチの第6の端子に一端が接続され、接地に他端が接続され、電流が流れると点灯する第1の方向指示灯と、
前記方向指示スイッチの第7の端子に一端が接続され、接地に他端が接続され、電流が流れると点灯する第2の方向指示灯と、
を備える方向指示システムに用いられる方向指示装置であって、
バッテリの正極に接続される第1のバッテリ接続端子と、前記イグニッションスイッチを介して前記バッテリの正極に接続される第2のバッテリ接続端子と、前記ハザードスイッチの第3の端子および第1の方向指示灯の一端に接続される第1の方向指示灯接続端子と、前記ハザードスイッチの第4の端子および第2の方向指示灯の一端に接続される第2の方向指示灯接続端子と、前記方向指示スイッチの第8の端子および前記ハザードスイッチの第5の端子に接続される駆動電流出力端子と、を備え、
前記第1および第2の方向指示灯接続端子を介して前記ハザードスイッチのオン状態を検出し、前記イグニッションスイッチがオン状態の場合において前記ハザードスイッチがオン状態になったときには、前記駆動電流出力端子から出力される点滅周期の駆動電流により前記第1および第2の方向指示灯の両方を点滅させるハザード動作を行い、前記ハザード動作中に前記イグニッションスイッチがオフ状態になったときには、前記第1のバッテリ接続端子から供給される電圧により動作し、前記駆動電流を出力することを特徴とする。
T/2 < τ ・・・(1)
ここで、τ:保持時間、T:駆動電流の点滅周期である。これにより、ハザード検出信号が出力されていない間も、電源保持部23は電源保持信号を出力することができ、バッテリ接続端子BAT1を介した電圧供給を継続することができる。
τ < T ・・・(2)
ここで、τ:保持時間、T:駆動電流の点滅周期である。
2 方向指示装置
21 駆動電流出力部
22 ハザード検出部
23 電源保持部
24 電源供給部
3 イグニッションスイッチ
3a,3b 端子
4 ハザードスイッチ
4a,4b,4c 端子
5 方向指示スイッチ
5a,5b,5c 端子
6A,6B,7A,7B 方向指示灯
B バッテリ
BAT1,BAT2 バッテリ接続端子
C1 コンデンサ
GND 接地端子
L-SW,R-SW 方向指示灯接続端子
LOAD 駆動電流出力端子
Q1~Q5 スイッチング素子
R11,R12,R13,R15,R1 抵抗
R21,R22,R23,R24,R25 抵抗
TH1~TH3 判定閾値
Claims (7)
- 第1の端子および第2の端子を有し、前記第1の端子と前記第2の端子の間を電気的に接続するオン状態と、前記第1の端子と前記第2の端子の間を電気的に開放するオフ状態とを切り替え可能なイグニッションスイッチと、
第3の端子、第4の端子および第5の端子を有し、前記第3の端子と前記第4の端子と前記第5の端子の間を電気的に接続するオン状態と、前記第3の端子と前記第4の端子と前記第5の端子の間を電気的に開放するオフ状態とを切り替え可能なハザードスイッチと、
第6の端子、第7の端子および第8の端子を有し、前記第6の端子と前記第8の端子の間を電気的に接続する状態と、前記第7の端子と前記第8の端子の間を電気的に接続する状態と、前記第6の端子と前記第7の端子と前記第8の端子の間を電気的に開放する状態とを切り替え可能な方向指示スイッチと、
前記方向指示スイッチの第6の端子に一端が接続され、接地に他端が接続され、電流が流れると点灯する第1の方向指示灯と、
前記方向指示スイッチの第7の端子に一端が接続され、接地に他端が接続され、電流が流れると点灯する第2の方向指示灯と、
バッテリの正極に接続される第1のバッテリ接続端子と、前記イグニッションスイッチを介して前記バッテリの正極に接続される第2のバッテリ接続端子と、前記ハザードスイッチの第3の端子および第1の方向指示灯の一端に接続される第1の方向指示灯接続端子と、前記ハザードスイッチの第4の端子および第2の方向指示灯の一端に接続される第2の方向指示灯接続端子と、前記方向指示スイッチの第8の端子および前記ハザードスイッチの第5の端子に接続される駆動電流出力端子と、を有する方向指示装置と、を備え、
前記方向指示装置は、前記第1および第2の方向指示灯接続端子を介して前記ハザードスイッチのオン状態を検出し、前記イグニッションスイッチがオン状態の場合において前記ハザードスイッチがオン状態になったときには、前記駆動電流出力端子から出力される点滅周期の駆動電流により前記第1および第2の方向指示灯の両方を点滅させるハザード動作を行い、前記ハザード動作中に前記イグニッションスイッチがオフ状態になったときには、前記第1のバッテリ接続端子から供給される電圧により動作し、前記駆動電流を出力することを特徴とする方向指示システム。 - 前記方向指示装置は、
前記バッテリの電圧が供給されている間、前記駆動電流を出力する駆動電流出力部と、
前記第1の方向指示灯接続端子および前記第2の方向指示灯接続端子の両方から前記駆動電流を検出した場合に、前記ハザードスイッチがオン状態であることを示すハザード検出信号を出力するハザード検出部と、
前記ハザード検出信号を受信すると、前記ハザードスイッチがオン状態の間、電源保持信号を出力する電源保持部と、
前記電源保持信号を受信している間、前記第1のバッテリ接続端子から入力された前記バッテリの電圧を前記駆動電流出力部に供給する電源供給部と、
を有することを特徴とする請求項1に記載の方向指示システム。 - 前記電源保持部は、前記ハザード検出信号を受信している間前記バッテリの電圧により充電されるコンデンサを有し、前記コンデンサの電圧に基づいて前記電源保持信号を出力することを特徴とする請求項2に記載の方向指示システム。
- 前記コンデンサおよび、前記コンデンサに直列接続された抵抗に基づく保持時間が、式(1)を満たすように決められていることを特徴とする請求項3に記載の方向指示システム。
T/2 < τ ・・・(1)
ここで、τ:前記保持時間、T:前記駆動電流の点滅周期である。 - 前記コンデンサおよび、前記コンデンサに直列接続された抵抗に基づく保持時間は、式(2)を満たすように決められることを特徴とする請求項3に記載の方向指示システム。
τ < T ・・・(2)
ここで、τ:前記保持時間、T:前記駆動電流の点滅周期である。 - 前記ハザード検出部は、
一端が接地端子に接続され、制御端子が前記第1の方向指示灯接続端子に接続された第1のスイッチング素子と、一端が前記第1のスイッチング素子の他端に接続され、制御端子が前記第2の方向指示灯接続端子に接続された第2のスイッチング素子とを有し、
前記ハザード検出部は、前記第1および前記第2の方向指示灯接続端子に前記駆動電流が入力された場合に前記第1および前記第2のスイッチング素子が導通状態となることにより前記ハザード検出信号としてのLレベル信号を前記第2のスイッチング素子の他端から出力し、
前記電源保持部は、
一端が前記第2のバッテリ接続端子に接続され、制御端子が前記第2のスイッチング素子の他端に接続された第3のスイッチング素子と、一端が前記第3のスイッチング素子の他端に接続され、他端が前記接地端子に接続されたコンデンサと、一端が前記コンデンサの一端に接続された抵抗と、一端が前記接地端子に接続され、制御端子が前記抵抗の他端に接続された第4のスイッチング素子とを有し、前記第3のスイッチング素子の制御端子が前記ハザード検出信号としてのLレベル信号を受信すると、前記第3のスイッチング素子が導通状態となって前記コンデンサが前記バッテリの電圧により充電され、前記コンデンサの電圧が前記第4のスイッチング素子の閾値電圧に達すると、前記第4のスイッチング素子が導通状態となることにより前記電源保持部は、前記電源保持信号としてのLレベル信号を前記第4のスイッチング素子の他端から出力し、
前記電源供給部は、
一端が前記第1のバッテリ接続端子に接続され、他端が前記駆動電流出力部に接続され、制御端子が前記第4のスイッチング素子の他端に接続された第5のスイッチング素子を有し、前記第5のスイッチング素子の制御端子が前記電源保持信号としてのLレベル信号を受信すると、前記第5のスイッチング素子が導通状態となることを特徴とする請求項2に記載の方向指示システム。 - 第1の端子および第2の端子を有し、前記第1の端子と前記第2の端子の間を電気的に接続するオン状態と、前記第1の端子と前記第2の端子の間を電気的に開放するオフ状態とを切り替え可能なイグニッションスイッチと、
第3の端子、第4の端子および第5の端子を有し、前記第3の端子と前記第4の端子と前記第5の端子の間を電気的に接続するオン状態と、前記第3の端子と前記第4の端子と前記第5の端子の間を電気的に開放するオフ状態とを切り替え可能なハザードスイッチと、
第6の端子、第7の端子および第8の端子を有し、前記第6の端子と前記第8の端子の間を電気的に接続する状態と、前記第7の端子と前記第8の端子の間を電気的に接続する状態と、前記第6の端子と前記第7の端子と前記第8の端子の間を電気的に開放する状態とを切り替え可能な方向指示スイッチと、
前記方向指示スイッチの第6の端子に一端が接続され、接地に他端が接続され、電流が流れると点灯する第1の方向指示灯と、
前記方向指示スイッチの第7の端子に一端が接続され、接地に他端が接続され、電流が流れると点灯する第2の方向指示灯と、
を備える方向指示システムに用いられる方向指示装置であって、
バッテリの正極に接続される第1のバッテリ接続端子と、前記イグニッションスイッチを介して前記バッテリの正極に接続される第2のバッテリ接続端子と、前記ハザードスイッチの第3の端子および第1の方向指示灯の一端に接続される第1の方向指示灯接続端子と、前記ハザードスイッチの第4の端子および第2の方向指示灯の一端に接続される第2の方向指示灯接続端子と、前記方向指示スイッチの第8の端子および前記ハザードスイッチの第5の端子に接続される駆動電流出力端子と、を備え、
前記第1および第2の方向指示灯接続端子を介して前記ハザードスイッチのオン状態を検出し、前記イグニッションスイッチがオン状態の場合において前記ハザードスイッチがオン状態になったときには、前記駆動電流出力端子から出力される点滅周期の駆動電流により前記第1および第2の方向指示灯の両方を点滅させるハザード動作を行い、前記ハザード動作中に前記イグニッションスイッチがオフ状態になったときには、前記第1のバッテリ接続端子から供給される電圧により動作し、前記駆動電流を出力することを特徴とする方向指示装置。
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PCT/JP2015/050775 WO2016113857A1 (ja) | 2015-01-14 | 2015-01-14 | 方向指示システムおよび方向指示装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9682650B2 (ja) |
EP (1) | EP3246209A4 (ja) |
JP (1) | JP5960364B1 (ja) |
CA (1) | CA2919351C (ja) |
WO (1) | WO2016113857A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006321346A (ja) * | 2005-05-18 | 2006-11-30 | Mitsuba Corp | 表示装置 |
JP2007125901A (ja) | 2005-10-31 | 2007-05-24 | Honda Motor Co Ltd | 車両のハザード保持機能付きウインカ装置 |
JP2013199186A (ja) * | 2012-03-23 | 2013-10-03 | Mitsuba Corp | 灯体制御装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61139536A (ja) * | 1984-12-10 | 1986-06-26 | Nissan Motor Co Ltd | 車両用フラツシヤ−回路 |
IT1270413B (it) * | 1993-06-02 | 1997-05-05 | Italamec Srl | Dispositivo di comando delle lampade indicatrici di direzione di un autoveicolo e commutatore elettrico per l'impiego di tale dispositivo |
DE19854051C2 (de) * | 1998-11-24 | 2001-05-23 | Temic Semiconductor Gmbh | Verfahren und Schaltungsanordnung zum Vergleich eines Eingangssignals mit unterschiedlichen Spannungsschwellen in einem elektronischen Blinkgeber |
JP2004009805A (ja) * | 2002-06-04 | 2004-01-15 | Niles Co Ltd | ランプ制御装置 |
JP4915793B2 (ja) * | 2006-12-26 | 2012-04-11 | 本田技研工業株式会社 | 自動二輪車の点灯装置 |
WO2012132830A1 (ja) * | 2011-03-31 | 2012-10-04 | 本田技研工業株式会社 | 車両の灯火制御システム |
US8963706B2 (en) * | 2012-08-06 | 2015-02-24 | Shindengen Electric Manufacturing Co., Ltd. | Direction indicating apparatus |
-
2015
- 2015-01-14 EP EP15766727.0A patent/EP3246209A4/en not_active Withdrawn
- 2015-01-14 WO PCT/JP2015/050775 patent/WO2016113857A1/ja active Application Filing
- 2015-01-14 CA CA2919351A patent/CA2919351C/en not_active Expired - Fee Related
- 2015-01-14 JP JP2015534698A patent/JP5960364B1/ja active Active
- 2015-01-14 US US14/784,947 patent/US9682650B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006321346A (ja) * | 2005-05-18 | 2006-11-30 | Mitsuba Corp | 表示装置 |
JP2007125901A (ja) | 2005-10-31 | 2007-05-24 | Honda Motor Co Ltd | 車両のハザード保持機能付きウインカ装置 |
JP2013199186A (ja) * | 2012-03-23 | 2013-10-03 | Mitsuba Corp | 灯体制御装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3246209A4 |
Also Published As
Publication number | Publication date |
---|---|
EP3246209A4 (en) | 2018-09-19 |
US9682650B2 (en) | 2017-06-20 |
CA2919351A1 (en) | 2016-07-21 |
JPWO2016113857A1 (ja) | 2017-04-27 |
CA2919351C (en) | 2017-09-12 |
EP3246209A1 (en) | 2017-11-22 |
JP5960364B1 (ja) | 2016-08-02 |
US20160325673A1 (en) | 2016-11-10 |
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