US20080220687A1 - Wireless remote-control model - Google Patents
Wireless remote-control model Download PDFInfo
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- US20080220687A1 US20080220687A1 US12/071,753 US7175308A US2008220687A1 US 20080220687 A1 US20080220687 A1 US 20080220687A1 US 7175308 A US7175308 A US 7175308A US 2008220687 A1 US2008220687 A1 US 2008220687A1
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H30/00—Remote-control arrangements specially adapted for toys, e.g. for toy vehicles
- A63H30/02—Electrical arrangements
- A63H30/04—Electrical arrangements using wireless transmission
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- the present invention relates to a wireless remote-control model, and more particularly to a wireless remote-control model that can assure the user safety of the wireless remote-control model employing an electric motor as a motive power source as well as the safety of the wireless remote-control model itself.
- Wireless controlled models such as remote-control helicopters or vehicles are also known as wireless models or wireless remote controls, not only applied in the area of amateur hobbies, but also used extensively in many industries.
- a wireless remote-control model using electric motor for its motive power (such as an electric wireless remote-control model) generally installs a signal receiver, a servomotor, a speed controller, a gyroscope, an operation control device and a battery serving as a motive power source, used in an operating control machine and a control device for controlling the flying and driving of the wireless remote-control model.
- FIG. 5 shows a schematic view of controlling a wireless remote-control model
- FIG. 6 shows a block diagram of a control module of a wireless remote-control model as depicted in FIG. 5
- a wireless remote-control helicopter is used as an example for illustrating a wireless remote-control model that uses an electric motor as its motive power source.
- the wireless remote-control helicopter 100 is operated and controlled by a signal transmitter 1 .
- the wireless remote-control helicopter 100 installs a signal receiver 2 , a control module 3 , a battery 27 and an electric motor or a servomotor (not shown in the figure).
- the signal receiver 2 includes a signal receiving portion 2 A and a decoder 2 B
- the control module 3 has a control portion 31 or a memory 32 for storing a control parameter, and a steering servomotor 8 , 9
- a power motor 7 drives a servomotor 8 , 9 according to an operating control instruction signal received from a signal transmitter 1 by a receiving antenna 17 for controlling a collective pitch, a rudder, an elevating rudder, and an aileron, and the steering portion 18 , 19 is controlled for the flying, elevating or circling of a wireless remote-control helicopter.
- a joystick 20 , 21 , a display device 22 , a signal transmitting antenna 304 , a channel selector 307 , 308 and other switches 24 are installed, so that the operating control information or the setup characteristics of a carrying machine can be displayed visually.
- the operating control information transmitted from the signal transmitter 1 is received by the signal receiver 1 , and the signal receiving portion 2 A is used for amplifying and detecting the RF waves, and the decoder 2 B is used for decoding.
- the decoded operating control information (or operating control instruction signal) of the control module 3 is stored as a control parameter (or operating control characteristic parameter) in the memory 32 for driving a servomotor 8 , 9 to control a steering portion 18 , 19 that drives the power motor 7 , collective pitch, rudder, elevating rudder or aileron.
- the wireless remote-control model that uses an electric motor as its motive power source is disclosed in a patent literature 1 (Japan Patent Laid Open Publication No. 10-290888 of Patent Gazette). Although there may be different types of wireless remote-control models, a wireless control device with a non-starting engine when the required conditions are not satisfied, has been disclosed in a patent literature 2 (Japan Patent Laid Open Publication No. 11-124295 of Patent Gazette).
- the present invention provides a wireless remote-control model, comprising a signal receiver, a detector portion, a control module, a power motor, a servomotor, a battery, a start pushbutton and a buzzer.
- the signal receiver comprises: a signal receiving circuit, for receiving an operating control instruction signal transmitted from a signal transmitter via electric waves; and a decoder, for decoding the received operating control instruction signal.
- the detector portion comprises a current detector, a voltage detector and a temperature detector for detecting the current, voltage and temperature of the battery respectively, a rotation detector for detecting the rotation of the power motor, and an angular speed detector for detecting the rotation angle of the servomotor and the angular speed of the frame body.
- the control module comprises a central control portion, and a memory having a control parameter storage area.
- the central control portion comprises: a centralized control portion, for detecting a detection signal by using a detector portion and a control parameter stored in the memory, and the decoder is used for decoding an operating control instruction signal, and generating an operating control signal, and the operating control signal is applied to the power motor and the servomotor for the control and operation; a safety management portion, for determining a normal/abnormal condition of a power motor, a servomotor and a battery according to the detection signal detected by the detector portion; and a buzzer control portion, for according to the determination result of the safety management portion, for providing a plurality of modes of buzz signals to the buzzer.
- the safety management portion includes a determination portion, such that a first mode buzz signal instruction is sent to the buzzer control portion for indicating that the battery is connected to the determination portion correctly; a second mode buzz signal instruction is sent to the buzzer control portion for indicating that the operation is started, when the battery is connected correctly and a start pushbutton is pressed during an examination period; and a third mode buzz signal instruction is sent to the buzzer control portion for indicating that the power motor is at a driving idle state, when the examination determines a normal condition.
- the buzzer issues a first mode buzz, a second mode buzz and a third mode buzz according to each mode buzz of the determination portion of the safety management portion.
- the first mode buzz is a heavy continuous sound
- the second mode buzz is a simulated engine starter sound
- the third mode buzz is a simulated engine idling sound, so that if an internal combustion engine used for driving the wireless remote-control model has the same touch feeling, and the invention can enhance the safety even for a wireless remote-control model that adopts a silent and stable electric motor as the motive power source.
- the memory has a history storage area, for recording the determination result of the safety management portion into the history storage area for making the replacement of components and the maintenance of the wireless remote-control model more easily.
- FIG. 1 is a block diagram of a control system of a wireless remote-control model in accordance with a first preferred embodiment of the present invention
- FIG. 2 is a flow chart of determining a normal/abnormal control of a control system as depicted in FIG. 1 ;
- FIG. 3 is a flow chart of a control sequence of flying or stopping a wireless remote-control helicopter
- FIG. 4 is a schematic view of a wireless remote-control helicopter used as an example for illustrating a wireless remote-control model of the present invention
- FIG. 5 is a schematic view of controlling a wireless remote-control model
- FIG. 6 is a block diagram of a control module of a wireless remote-control model as depicted in FIG. 5 .
- the numeral 1 stands for a signal transmitter, 2 for a signal receiver, 2 A for a signal receiving portion (RF amplification and wave detection), 2 B for a decoder, 3 for a control module, 31 for a central control device, 311 for a centralized control portion, 312 for a safety management portion, 313 for a buzzer control portion, 314 for a determination portion, 32 for a memory, 321 for a set value storage portion, 322 for a history storage portion.
- the detector portion 4 includes a current detector 41 , a voltage detector 42 , a temperature detector 43 , a rotation detector 44 , a rotary angle detector 45 and an angular speed detector 46 .
- Another appropriate detector such as acoustic radar or electric wave radar can be used as well.
- a power motor 7 is installed at the position of a control module 3 for controlling a servomotor 8 , 9 , 10 of a steering portion and a battery 27 .
- the numeral 5 stands for a start switch, and 6 stands for a buzzer.
- the start switch 5 is a main switch for controlling the status of a wireless remote-control helicopter. If the start switch 5 is pressed and secured to an ON status, electric power will be supplied to the carrying machine, for detecting each part of a safety management portion 312 and determine a normal/abnormal condition of a determination portion 314 .
- the buzzer 6 will issue a first mode buzz, a second mode buzz and a third mode buzz according to the determination of the determination portion 314 .
- the current detector 41 , voltage detector 42 and temperature detector 43 are detectors for detecting the current, voltage and temperature of a battery respectively.
- the rotation detector 44 is provided for detecting the rotation of an output shaft of a power motor.
- the rotary angle detector 25 and the angular speed detector are detectors for detecting a steering angle and a rotation angle of an operation of a servomotor and an angular speed of a frame body respectively, but the above can be measured by the number of driving pulses and pulse width of the servomotor.
- the servomotor is installed at a position of controlling flying such as the position of a collective pitch, a rudder, an elevating rudder or an aileron.
- a personal computer (PC) 200 can be used for changing and modifying a control parameter setting, and the changed or modified control parameter setting is stored into the set value storage portion 321 of the memory 32 installed in the wireless remote-control helicopter 100 .
- a communication line is connected to a connector 33 for transmitting the control parameter settings from the personal computer 200 . Therefore, the driving characteristics of the power motor such as the operating characteristics of a collective pitch, a rudder, an elevating rudder and an aileron are stored as control parameter settings in the memory 32 .
- each control signal of the operating control instruction signal transmitted from the signal transmitter 1 is modulated and received by the signal receiver 2 of the wireless remote-control helicopter 100 .
- the received modulated wave is detected in the signal receiver, and the decoder 3 is used for decoding, and various operating control instruction signals are regenerated.
- the regenerated operating control instruction signals are centralized in a control circuit 311 , and generated respectively according to the setting (or a setup characteristic of a control parameter) stored in a set value storage portion 321 of the memory 32 .
- FIG. 2 for a flow chart of determining a normal/abnormal control of a control system as depicted in FIG. 1 , the battery is installed, and the start pushbutton is pressed until the determination is produced.
- the time required for the normal/abnormal determination depends on the movement speed/processing speed of the installed detector or the central control portion (CPU or microprocessor). In actual practice, all detectors must be normal and require sufficient time for the determination. The sequence of the determination is described as follows.
- Step 1 when the battery is installed to the wireless remote-control helicopter and electrically connected to an electric system (Step 1 , which is referred to as “P- 1 ”), and then the safety management portion 312 will detect such connection and instructs the buzzer control portion 313 to buzz.
- the buzzer 6 issues a first mode buzz (P- 2 ).
- the first mode buzz informs the operator about the situation of the battery being connected and electrically conducted with an operating control system.
- the buzz is preferably a heavy continuous sound, but a continuous sound around 1 kHz with a very sensitive hearing frequency can be used for a noisy environment.
- the present invention is not limited to such arrangement.
- the sound volume of the buzzer can be adjusted, and the sound alarm device is not limited to the buzzer only, but a loudspeaker and/or an LED lamp can be used for improve the alert.
- the buzzer 6 will switch to a second mode buzz (P- 4 ).
- each portion is examined according to the detection signal detected by a detector in the detector portion 4 (P- 5 ).
- the number (n) of detectors, and the processing time of the safety management portion 312 and its determination portion 314 are detected.
- the buzzer 6 will continue issuing the second mode buzz.
- the second mode buzz is preferably a simulated engine starter sound, so that the same touch feeling of the wireless remote-control model that uses an internal combustion engine as its motive power is provided to the operator to generate a tense feeling.
- this abnormal determination information is stored in a memory 32 of the history storage portion 322 as shown in FIG. 1 , so that records can be stored in the history storage portion 322 , and this structure can be used for maintenance at a later time.
- the invention is not limited to this second mode buzz only, but any other appropriate buzz can be used as well.
- the examination if the condition is determined to be abnormal (such as the voltage of the battery is lower than a predetermined value) (P- 6 ), the examination will be interrupted (P- 7 ). Now, the buzzer 6 will return to the first mode buzz for its buzz. The buzzer 6 will maintain the second mode buzz, until the abnormal condition is determined to be eliminated.
- the interrupt of an examination may not be used, but a certain abnormal condition is indicated by returning the buzz to the first mode buzz after the whole examination is completed.
- the third mode buzz is preferably a simulated idling sound of a wireless remote-control model that uses an internal combustion engine as its motive power. In other words, if a signal for starting the flying from the signal transmitter, the signal is an alarm signal indicating that the power motor is ready to start rotating or situated at a take-off state (or an idle state).
- a signal for starting the flight (or starting a power motor) is received from the signal transmitter, such that the flying starts or a start signal of shutting the power motor stops the flying.
- the start pushbutton is pressed again to return to the status of turning on a battery.
- a start switch of the signal transmitter is turned ON (P- 10 ).
- the safety management portion 312 determines an idle state as illustrated in FIG. 2 (P- 11 ).
- the power motor 7 starts rotating, and the buzzer 6 becomes OFF (P- 12 ). If the elevating instruction signal from the signal transmitter (or a rotation speed increase signal of the power motor 7 ) is received, the wireless remote-control helicopter will elevate, and various operating control signals transmitted from the signal transmitter are used for different ways of flying.
- a landing instruction signal from the signal transmitter is received for landing the wireless remote-control helicopter, and a rotation stop instruction of the power motor 7 stops the power motor 7 (P- 14 ). If the power motor 7 stops, the buzzer 6 will be situated at an idle state (In other words, the buzzer 6 buzzes a third mode buzz) (P- 15 ). When the third mode buzz is outputted and a determination of flying the helicopter again is made, the start switch of the signal transmitter is turned ON (P- 10 ), and the same procedure as described above will be performed. In addition, if determination for not flying again is made in (P- 15 ), the start pushbutton is turned OFF. Now, the buzzer 6 will return to the first mode buzz for its buzz. If the battery is removed, the buzzer 6 will stop. If the start pushbutton is not switched to OFF within a predetermined time, the power will be disconnected automatically.
- the wireless remote-control helicopter 100 comprises a power motor 7 , a battery 27 , a servomotor 8 , 9 , 10 and a signal receiver 2 installed in a frame body, and an operating mechanism having a control module 3 , a detector portion 4 and a gyroscope.
- the frame body installs a main rotor 13 and a landing gear 16
- the axial shaft 14 installs a tail rotor 15 .
- the operating mechanism or the power motor is triggered by a start pushbutton, and an operating control instruction received from an antenna 17 is used for controlling an operating mechanism for the flight.
- the buzzer 6 as described above buzzes with the first, second and third mode buzzes, wherein the numeral 12 stands for a light emitting diode (or an indicating lamp), which will be lit when power is supplied to the carrying machine.
- the present invention is not limited to a wireless remote-control helicopter, but the invention can be applied to any fixed-wing wireless control airplane, wireless remote-control car, wireless remote-control boat, and various wireless remote-control models as well.
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Abstract
A wireless remote-control model includes a safety management portion having a central control device, and the safety management portion includes a determination portion, such that when a battery is connected correctly, a first mode buzz signal instruction is sent to a buzzer control portion for indicating that the battery is connected. If the battery is connected correctly and a start pushbutton is pressed during an examination period, or a second mode buzz signal instruction is sent to the buzzer control portion for indicating that the operation is started, or a third mode buzz signal instruction is sent to the buzzer control portion for indicating that a power motor is at a driving idle state when the examination determines a normal condition, so as to assure the safety of an operator (or a user) as well as the safety of the wireless remote-control model itself.
Description
- 1. Field of the Invention
- The present invention relates to a wireless remote-control model, and more particularly to a wireless remote-control model that can assure the user safety of the wireless remote-control model employing an electric motor as a motive power source as well as the safety of the wireless remote-control model itself.
- 2. Description of the Related Art
- Wireless controlled models such as remote-control helicopters or vehicles are also known as wireless models or wireless remote controls, not only applied in the area of amateur hobbies, but also used extensively in many industries. Particularly, a wireless remote-control model using electric motor for its motive power (such as an electric wireless remote-control model) generally installs a signal receiver, a servomotor, a speed controller, a gyroscope, an operation control device and a battery serving as a motive power source, used in an operating control machine and a control device for controlling the flying and driving of the wireless remote-control model.
-
FIG. 5 shows a schematic view of controlling a wireless remote-control model, andFIG. 6 shows a block diagram of a control module of a wireless remote-control model as depicted inFIG. 5 . In these figures, a wireless remote-control helicopter is used as an example for illustrating a wireless remote-control model that uses an electric motor as its motive power source. InFIG. 5 , the wireless remote-control helicopter 100 is operated and controlled by asignal transmitter 1. The wireless remote-control helicopter 100 installs asignal receiver 2, acontrol module 3, abattery 27 and an electric motor or a servomotor (not shown in the figure). - In
FIG. 6 , thesignal receiver 2 includes asignal receiving portion 2A and adecoder 2B, and thecontrol module 3 has acontrol portion 31 or amemory 32 for storing a control parameter, and asteering servomotor power motor 7 drives aservomotor signal transmitter 1 by a receivingantenna 17 for controlling a collective pitch, a rudder, an elevating rudder, and an aileron, and thesteering portion - At the position of the
signal transmitter 1, ajoystick display device 22, asignal transmitting antenna 304, achannel selector other switches 24, are installed, so that the operating control information or the setup characteristics of a carrying machine can be displayed visually. The operating control information transmitted from thesignal transmitter 1 is received by thesignal receiver 1, and thesignal receiving portion 2A is used for amplifying and detecting the RF waves, and thedecoder 2B is used for decoding. The decoded operating control information (or operating control instruction signal) of thecontrol module 3 is stored as a control parameter (or operating control characteristic parameter) in thememory 32 for driving aservomotor steering portion power motor 7, collective pitch, rudder, elevating rudder or aileron. - The wireless remote-control model that uses an electric motor as its motive power source is disclosed in a patent literature 1 (Japan Patent Laid Open Publication No. 10-290888 of Patent Gazette). Although there may be different types of wireless remote-control models, a wireless control device with a non-starting engine when the required conditions are not satisfied, has been disclosed in a patent literature 2 (Japan Patent Laid Open Publication No. 11-124295 of Patent Gazette).
- As the popularity and performance of a wireless remote-control model that uses an electric motor as its motive power source improve increasingly, the output of the electric motor becomes larger, and the energy capacity of the battery also becomes larger. In addition, more and more users or operators having little knowledge or not familiar with the wireless remote-control model, and thus it is necessary to assure the safety of the electric motor with a large output as well as the safety of the battery with a large energy capacity. If an operating control device of its control device installed on a wireless remote-control model has problems, then serious failure of the flying or driving of the wireless remote-control model may occur.
- It is a primary objective of the present invention to provide a wireless remote-control model that can assure the safety of an operator (or a user) as well as the safety of the wireless remote-control model itself.
- To achieve the foregoing objective, the present invention provides a wireless remote-control model, comprising a signal receiver, a detector portion, a control module, a power motor, a servomotor, a battery, a start pushbutton and a buzzer. The signal receiver comprises: a signal receiving circuit, for receiving an operating control instruction signal transmitted from a signal transmitter via electric waves; and a decoder, for decoding the received operating control instruction signal. The detector portion comprises a current detector, a voltage detector and a temperature detector for detecting the current, voltage and temperature of the battery respectively, a rotation detector for detecting the rotation of the power motor, and an angular speed detector for detecting the rotation angle of the servomotor and the angular speed of the frame body.
- The control module comprises a central control portion, and a memory having a control parameter storage area. The central control portion comprises: a centralized control portion, for detecting a detection signal by using a detector portion and a control parameter stored in the memory, and the decoder is used for decoding an operating control instruction signal, and generating an operating control signal, and the operating control signal is applied to the power motor and the servomotor for the control and operation; a safety management portion, for determining a normal/abnormal condition of a power motor, a servomotor and a battery according to the detection signal detected by the detector portion; and a buzzer control portion, for according to the determination result of the safety management portion, for providing a plurality of modes of buzz signals to the buzzer.
- The safety management portion includes a determination portion, such that a first mode buzz signal instruction is sent to the buzzer control portion for indicating that the battery is connected to the determination portion correctly; a second mode buzz signal instruction is sent to the buzzer control portion for indicating that the operation is started, when the battery is connected correctly and a start pushbutton is pressed during an examination period; and a third mode buzz signal instruction is sent to the buzzer control portion for indicating that the power motor is at a driving idle state, when the examination determines a normal condition.
- The buzzer issues a first mode buzz, a second mode buzz and a third mode buzz according to each mode buzz of the determination portion of the safety management portion.
- In the present invention, the first mode buzz is a heavy continuous sound, the second mode buzz is a simulated engine starter sound, and the third mode buzz is a simulated engine idling sound, so that if an internal combustion engine used for driving the wireless remote-control model has the same touch feeling, and the invention can enhance the safety even for a wireless remote-control model that adopts a silent and stable electric motor as the motive power source.
- The memory has a history storage area, for recording the determination result of the safety management portion into the history storage area for making the replacement of components and the maintenance of the wireless remote-control model more easily.
-
FIG. 1 is a block diagram of a control system of a wireless remote-control model in accordance with a first preferred embodiment of the present invention; -
FIG. 2 is a flow chart of determining a normal/abnormal control of a control system as depicted inFIG. 1 ; -
FIG. 3 is a flow chart of a control sequence of flying or stopping a wireless remote-control helicopter; -
FIG. 4 is a schematic view of a wireless remote-control helicopter used as an example for illustrating a wireless remote-control model of the present invention; -
FIG. 5 is a schematic view of controlling a wireless remote-control model; and -
FIG. 6 is a block diagram of a control module of a wireless remote-control model as depicted inFIG. 5 . - Refer to
FIG. 1 for a block diagram of a control system of a wireless remote-control model in accordance with a first preferred embodiment of the present invention, thenumeral 1 stands for a signal transmitter, 2 for a signal receiver, 2A for a signal receiving portion (RF amplification and wave detection), 2B for a decoder, 3 for a control module, 31 for a central control device, 311 for a centralized control portion, 312 for a safety management portion, 313 for a buzzer control portion, 314 for a determination portion, 32 for a memory, 321 for a set value storage portion, 322 for a history storage portion. Thedetector portion 4 includes acurrent detector 41, avoltage detector 42, atemperature detector 43, arotation detector 44, arotary angle detector 45 and anangular speed detector 46. Another appropriate detector such as acoustic radar or electric wave radar can be used as well. - Further a
power motor 7 is installed at the position of acontrol module 3 for controlling aservomotor battery 27. Thenumeral 5 stands for a start switch, and 6 stands for a buzzer. Thestart switch 5 is a main switch for controlling the status of a wireless remote-control helicopter. If thestart switch 5 is pressed and secured to an ON status, electric power will be supplied to the carrying machine, for detecting each part of asafety management portion 312 and determine a normal/abnormal condition of adetermination portion 314. Thebuzzer 6 will issue a first mode buzz, a second mode buzz and a third mode buzz according to the determination of thedetermination portion 314. - In this embodiment, the
current detector 41,voltage detector 42 andtemperature detector 43 are detectors for detecting the current, voltage and temperature of a battery respectively. Therotation detector 44 is provided for detecting the rotation of an output shaft of a power motor. Therotary angle detector 25 and the angular speed detector are detectors for detecting a steering angle and a rotation angle of an operation of a servomotor and an angular speed of a frame body respectively, but the above can be measured by the number of driving pulses and pulse width of the servomotor. The servomotor is installed at a position of controlling flying such as the position of a collective pitch, a rudder, an elevating rudder or an aileron. - Before or after the flying of a wireless remote-
control helicopter 100, a personal computer (PC) 200 can be used for changing and modifying a control parameter setting, and the changed or modified control parameter setting is stored into the setvalue storage portion 321 of thememory 32 installed in the wireless remote-control helicopter 100. In this operation, a communication line is connected to aconnector 33 for transmitting the control parameter settings from thepersonal computer 200. Therefore, the driving characteristics of the power motor such as the operating characteristics of a collective pitch, a rudder, an elevating rudder and an aileron are stored as control parameter settings in thememory 32. - During the periods of the
power motor 7 of the wireless remote-control helicopter 100 starts rotating for a take-off, flying and landing, and each control signal of the operating control instruction signal transmitted from thesignal transmitter 1 is modulated and received by thesignal receiver 2 of the wireless remote-control helicopter 100. The received modulated wave is detected in the signal receiver, and thedecoder 3 is used for decoding, and various operating control instruction signals are regenerated. The regenerated operating control instruction signals are centralized in acontrol circuit 311, and generated respectively according to the setting (or a setup characteristic of a control parameter) stored in a setvalue storage portion 321 of thememory 32. - Referring to
FIG. 2 for a flow chart of determining a normal/abnormal control of a control system as depicted inFIG. 1 , the battery is installed, and the start pushbutton is pressed until the determination is produced. The time required for the normal/abnormal determination depends on the movement speed/processing speed of the installed detector or the central control portion (CPU or microprocessor). In actual practice, all detectors must be normal and require sufficient time for the determination. The sequence of the determination is described as follows. - Firstly, when the battery is installed to the wireless remote-control helicopter and electrically connected to an electric system (
Step 1, which is referred to as “P-1”), and then thesafety management portion 312 will detect such connection and instructs thebuzzer control portion 313 to buzz. Thebuzzer 6 issues a first mode buzz (P-2). The first mode buzz informs the operator about the situation of the battery being connected and electrically conducted with an operating control system. The buzz is preferably a heavy continuous sound, but a continuous sound around 1 kHz with a very sensitive hearing frequency can be used for a noisy environment. However, the present invention is not limited to such arrangement. In addition, the sound volume of the buzzer can be adjusted, and the sound alarm device is not limited to the buzzer only, but a loudspeaker and/or an LED lamp can be used for improve the alert. - If the
start switch 5 is pressed and held till it is ON, thebuzzer 6 will switch to a second mode buzz (P-4). When thestart switch 5 is switched ON, each portion is examined according to the detection signal detected by a detector in the detector portion 4 (P-5). During the examination period, the number (n) of detectors, and the processing time of thesafety management portion 312 and itsdetermination portion 314 are detected. In the examination, thebuzzer 6 will continue issuing the second mode buzz. The second mode buzz is preferably a simulated engine starter sound, so that the same touch feeling of the wireless remote-control model that uses an internal combustion engine as its motive power is provided to the operator to generate a tense feeling. Further, this abnormal determination information is stored in amemory 32 of thehistory storage portion 322 as shown inFIG. 1 , so that records can be stored in thehistory storage portion 322, and this structure can be used for maintenance at a later time. The invention is not limited to this second mode buzz only, but any other appropriate buzz can be used as well. - During the examination, if the condition is determined to be abnormal (such as the voltage of the battery is lower than a predetermined value) (P-6), the examination will be interrupted (P-7). Now, the
buzzer 6 will return to the first mode buzz for its buzz. Thebuzzer 6 will maintain the second mode buzz, until the abnormal condition is determined to be eliminated. The interrupt of an examination may not be used, but a certain abnormal condition is indicated by returning the buzz to the first mode buzz after the whole examination is completed. - If the examination for determining a predetermined number (n) of examination items (+1) to be normal (P-8), the
buzzer 6 will switch to a third mode buzz (P-9). The third mode buzz is preferably a simulated idling sound of a wireless remote-control model that uses an internal combustion engine as its motive power. In other words, if a signal for starting the flying from the signal transmitter, the signal is an alarm signal indicating that the power motor is ready to start rotating or situated at a take-off state (or an idle state). - In the idle state, a signal for starting the flight (or starting a power motor) is received from the signal transmitter, such that the flying starts or a start signal of shutting the power motor stops the flying. The start pushbutton is pressed again to return to the status of turning on a battery. Referring to
FIG. 3 for a flow chart of a control sequence of flying or stopping a wireless remote-control helicopter, a start switch of the signal transmitter is turned ON (P-10). Thesafety management portion 312 determines an idle state as illustrated inFIG. 2 (P-11). Thepower motor 7 starts rotating, and thebuzzer 6 becomes OFF (P-12). If the elevating instruction signal from the signal transmitter (or a rotation speed increase signal of the power motor 7) is received, the wireless remote-control helicopter will elevate, and various operating control signals transmitted from the signal transmitter are used for different ways of flying. - A landing instruction signal from the signal transmitter is received for landing the wireless remote-control helicopter, and a rotation stop instruction of the
power motor 7 stops the power motor 7 (P-14). If thepower motor 7 stops, thebuzzer 6 will be situated at an idle state (In other words, thebuzzer 6 buzzes a third mode buzz) (P-15). When the third mode buzz is outputted and a determination of flying the helicopter again is made, the start switch of the signal transmitter is turned ON (P-10), and the same procedure as described above will be performed. In addition, if determination for not flying again is made in (P-15), the start pushbutton is turned OFF. Now, thebuzzer 6 will return to the first mode buzz for its buzz. If the battery is removed, thebuzzer 6 will stop. If the start pushbutton is not switched to OFF within a predetermined time, the power will be disconnected automatically. - Referring to
FIG. 4 for a schematic view of a wireless remote-control helicopter used as an example for illustrating a wireless remote-control model of the present invention, the wireless remote-control helicopter 100 comprises apower motor 7, abattery 27, aservomotor signal receiver 2 installed in a frame body, and an operating mechanism having acontrol module 3, adetector portion 4 and a gyroscope. - The frame body installs a
main rotor 13 and alanding gear 16, and theaxial shaft 14 installs atail rotor 15. The operating mechanism or the power motor is triggered by a start pushbutton, and an operating control instruction received from anantenna 17 is used for controlling an operating mechanism for the flight. Thebuzzer 6 as described above buzzes with the first, second and third mode buzzes, wherein the numeral 12 stands for a light emitting diode (or an indicating lamp), which will be lit when power is supplied to the carrying machine. - In summation of the description above, the safety of the operators as well as the safety of the wireless remote-control model can be achieved. The present invention is not limited to a wireless remote-control helicopter, but the invention can be applied to any fixed-wing wireless control airplane, wireless remote-control car, wireless remote-control boat, and various wireless remote-control models as well.
Claims (3)
1. A wireless remote-control model, comprising a signal receiver, a detector portion, a control module, a power motor, a servomotor, a battery, a start pushbutton and a buzzer, wherein:
said signal receiver comprises: a signal receiving circuit, for receiving an operating control instruction signal transmitted from the signal transmitter by electric waves; and a decoder, for decoding said operating control instruction signal from a received signal;
said detector portion comprises: a current detector, a voltage detector and a temperature detector for detecting the current, voltage and temperature of said battery respectively, a rotation detector for detecting the rotation of said power motor, and a rotary angle detector for detecting the rotary angle and the angular speed of said servomotor;
said control module comprises: a central control device, and a memory having a control-parameter storage area;
said central control device comprises:
a centralized control portion, for storing a detection signal for detecting said detector portion and a control parameter stored in said memory to generate an operating control instruction signal for decoding said decoder, and generating an operating control signal, and applying the operating control signal for controlling and operating said power motor and said servomotor;
a safety management portion, for performing a normal/abnormal determination for said power motor, said servomotor and said battery according to a detection signal detected by said detector portion; and
a buzzer control portion, for providing a plurality of modes of buzz signals to the said buzzer according to the determination result of said safety management portion;
wherein, said safety management portion includes a determination portion, such that if said determination portion is connected corrected to said battery, a first mode buzz signal instruction is sent to said buzzer control portion for indicating the connected battery;
if said battery is connected correctly and said start pushbutton is pressed during an examination period, a second mode buzz signal instruction is sent to said buzzer control portion for indicating a start operation;
if the determination of said examination is normal, a third mode buzz signal instruction is sent to said buzzer control portion for indicating an driving idle state of said power motor;
said buzzer, for issuing a first mode buzz, a second mode buzz and a third mode buzz according to said each mode buzz of said determination portion of said safety management portion.
2. The wireless remote-control model of claim 1 , wherein said first mode buzz is a heavy continuous sound, said second mode buzz is a simulated engine starter sound, and said third mode buzz is a simulated engine idling sound.
3. The wireless remote-control model of claim 1 , wherein said memory includes a history storage area, for storing a determination result of said safety management portion into said history storage area.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-045455 | 2007-02-26 | ||
JP2007045455A JP2008206668A (en) | 2007-02-26 | 2007-02-26 | Wireless remote-control model |
Publications (1)
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US20080220687A1 true US20080220687A1 (en) | 2008-09-11 |
Family
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Family Applications (1)
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US12/071,753 Abandoned US20080220687A1 (en) | 2007-02-26 | 2008-02-26 | Wireless remote-control model |
Country Status (7)
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US (1) | US20080220687A1 (en) |
EP (1) | EP1961471B1 (en) |
JP (1) | JP2008206668A (en) |
CN (1) | CN100577248C (en) |
AT (1) | ATE445446T1 (en) |
DE (1) | DE602008000199D1 (en) |
TW (1) | TW200835541A (en) |
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US20110155843A1 (en) * | 2009-12-24 | 2011-06-30 | Spin Master Ltd. | Velocity Feedback Control System for a Rotor of a Toy Helicopter |
US20110301784A1 (en) * | 2009-08-26 | 2011-12-08 | John Robert Oakley | Helicopter |
US8089225B2 (en) * | 2008-10-29 | 2012-01-03 | Honeywell International Inc. | Systems and methods for inertially controlling a hovering unmanned aerial vehicles |
US20120245761A1 (en) * | 2011-03-21 | 2012-09-27 | Shantou Kaiyu Toy Manufactors Co., Ltd. | Three-way airplane model control system with 2.4G communication mode |
US20140315464A1 (en) * | 2013-04-23 | 2014-10-23 | Kevork G. Kouyoumjian | Remotely Controlled, Impact-Resistant Model Helicopter |
US8874283B1 (en) | 2012-12-04 | 2014-10-28 | United Dynamics Advanced Technologies Corporation | Drone for inspection of enclosed space and method thereof |
US20150175274A1 (en) * | 2012-08-20 | 2015-06-25 | Textron Innovations, Inc. | Illuminated Sidestick Controller, Such As An Illuminated Sidestick Controller for Use In Aircraft |
USD767510S1 (en) * | 2015-04-20 | 2016-09-27 | SZ DJI Technology Co., Ltd. | Remote controller |
US20160288006A1 (en) * | 2011-05-24 | 2016-10-06 | Shenzhen Shen's Tongchuang Aeronautic Model Co., Ltd. | Pitching Arrangement for Model Helicopter |
US9616998B2 (en) | 2010-08-26 | 2017-04-11 | Geotech Environmental Equipment, Inc. | Unmanned aerial vehicle/unmanned aircraft system |
US20170142623A1 (en) * | 2015-05-21 | 2017-05-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Controller arrangement, method and computer program |
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WO2014187027A1 (en) * | 2013-05-22 | 2014-11-27 | 上海九鹰电子科技有限公司 | Transmission device and method, and reception device and method of remote control signal |
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US9821239B2 (en) * | 2011-05-24 | 2017-11-21 | Shenzhen Shen's Tongchuang Aeronautic Model Co., Ltd. | Pitching arrangement for model helicopter |
US20160288006A1 (en) * | 2011-05-24 | 2016-10-06 | Shenzhen Shen's Tongchuang Aeronautic Model Co., Ltd. | Pitching Arrangement for Model Helicopter |
US20150175274A1 (en) * | 2012-08-20 | 2015-06-25 | Textron Innovations, Inc. | Illuminated Sidestick Controller, Such As An Illuminated Sidestick Controller for Use In Aircraft |
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US9382002B1 (en) | 2012-12-04 | 2016-07-05 | United Dynamics Advanced Technologies Corporation | Drone for inspection of enclosed space and method thereof |
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Also Published As
Publication number | Publication date |
---|---|
TW200835541A (en) | 2008-09-01 |
EP1961471A1 (en) | 2008-08-27 |
CN100577248C (en) | 2010-01-06 |
CN101254351A (en) | 2008-09-03 |
JP2008206668A (en) | 2008-09-11 |
DE602008000199D1 (en) | 2009-11-26 |
ATE445446T1 (en) | 2009-10-15 |
EP1961471B1 (en) | 2009-10-14 |
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