JPH10230084A - Radio equipment for maneuvering radio control model, radio equipment for model and monitoring device for management - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently perform the channel management of a radio control model, to evade interference and to improve safety more. SOLUTION: Constitution is performed from the monitoring device 1 for management, the radio equipment 4 for maneuvering and the radio equipment 6 for the model, the radio equipment 4 for maneuvering discriminates the interference by recognition signals from the radio equipment 6 for the model and the radio equipment 6 for the model discriminates the interference by operation data from the radio equipment 4 for maneuvering. Then, at the time of judging that the interference is generated, the channel frequency of the radio equipment 4 for maneuvering is changed by free channel information from the radio equipment 1 for the management and the reception frequency of the radio equipment 6 for the model is changed as well by signals transmitted from the radio equipment 4 for maneuvering.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control radio, a radio for a model, and a monitor for management which constitute a radio communication system of a radio control model.

[0002]

2. Description of the Related Art Conventionally, various radio control models of an airplane, a helicopter, a car and the like have been known. When flying or running these radio-controlled models, dedicated airfields and circuit fields equipped with a certain amount of space and equipment are used. In such dedicated airfields and circuit fields,
Since radio controlled models are operated by multiple enthusiasts at the same time, conventional radio controlled model transmitters and receivers perform radio wave management by changing the channel frequency to prevent interference and allow multiple people to use the radio at the same time. Have been done.

[0003] The channel frequency of a radio controlled model transceiver is obtained by dividing a frequency band approved by the Radio Law of each country into a plurality. For example, in Japan,
Frequency band available for radio control models (27 MHz to 72
MHz) is used after being divided into 10 to 20 and multi-channeled. The frequency bands that can be used for the radio control model often differ in each country of the world. The radio communication system of such a radio controlled model transceiver is a one-way communication system that can transmit only from the transmitter to the receiver, and its modulation system is FSK (Frequency Shift Keying) or ASK (Amplitude Shift Keying). It has been.

[0004]

By the way, the channel management of the transceiver at the airfield or circuit site dedicated to the radio control model as described above is generally performed for each lover's club. For example, the channel tag corresponding to each channel is lowered on the management board where the channel is described, and if the channel tag of the channel you want to use is lowered on the management board, the user is using that channel. Judge that there is no channel tag and remove the channel tag, and operate the radio control model on that channel. At the end of the maneuver, the channel tag is returned to the management board.

However, in reality, such channel management is operated according to the responsibility and common sense of the user. For example, when a jamming radio wave or interference occurs in a channel used by the user, a protection means is used. There was a danger that an unexpected situation such as a crash or collision of a radio-controlled model would occur.

Further, since channel management is performed by a management board and a channel tag, when a user wants to change to a new channel in order to deal with jamming radio waves or interference, a channel available on the management board is required. Must be very troublesome.

Furthermore, since the radio communication system of the radio control model transceiver is a one-way communication system, the status of the receiver equipped with the radio control model can be confirmed by the transmitter on the pilot side. There was also a disadvantage that it was not possible to determine whether the radio-controlled model was experiencing jamming or interference.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and it is possible to efficiently manage a channel of a radio control model, and to further enhance the security by avoiding interference and jamming radio waves. It is an object of the present invention to provide a radio control for a radio control model, a radio for a model, and a monitoring device for management.

[0009]

In order to achieve the above object, a steering wireless device according to the present invention includes an operation information generating means for generating and outputting operation information according to an operation amount of an operation unit; A radio unit that transmits a signal modulated by the radio unit and receives a recognition signal from the model radio, an oscillation frequency control unit that variably controls an oscillation frequency of the radio unit, and a transmission path that uses the recognition signal received by the radio unit. Transmission path monitoring means for monitoring the connection state of the wireless channel, and an empty channel determination means for determining an empty channel from the received signal of the wireless unit, if the transmission path monitoring means determines that the connection state of the transmission path is not good, An empty channel is identified by the empty channel identification means, and the oscillation frequency control means changes the oscillation frequency to an oscillation frequency corresponding to the empty channel.

The empty channel receives empty channel information transmitted at a predetermined channel frequency,
Alternatively, the determination is made by scanning a predetermined frequency band. Furthermore, even when the power is turned on, the empty channel is determined by the channel determining means, and the oscillation frequency control means sets the oscillation frequency to the oscillation frequency corresponding to the empty channel.

The model radio of the present invention also includes a radio unit for receiving at least a signal modulated with operation information and transmitting a recognition signal, and an oscillation frequency control means for variably controlling the oscillation frequency of the radio unit. An operation information demodulating unit for demodulating operation information from a signal received by the wireless unit, a transmission line monitoring unit for monitoring a connection state of the transmission line by a signal modulated by the operation information received by the wireless unit, and a recognition signal. And a recognition signal generating means for generating
When the transmission path monitoring unit determines that the connection state of the transmission path is good, the wireless unit transmits a recognition signal. When the transmission path monitoring unit determines that the connection state of the transmission path is not good, the wireless unit transmits a recognition signal. The unit scans the assigned frequency band and changes the receiving frequency.

Still further, the management monitor device of the present invention comprises a radio unit for transmitting and receiving signals, a reception frequency control means for variably controlling a reception frequency of the radio unit,
A management radio for transmitting, from the wireless unit, empty channel information for notifying the empty channel determined by the empty channel identifying means, comprising an empty channel identifying means for identifying an empty channel from a signal received by the wireless unit; Is constituted by a display means for displaying.

According to the present invention, if the control radio determines that the connection state of the transmission path is not good, it determines the empty channel, changes the oscillation frequency to the empty channel, and sets the model radio to Because it scans the assigned frequency band and changes the reception frequency,
When the oscillation frequency of the control radio is changed due to interference, etc., the reception frequency of the model radio is changed according to the oscillation frequency of the control radio, so that it can be automatically avoided from interference, etc. become.

According to the management monitor device of the present invention,
Since the empty channel information notifying the empty channel determined by the empty channel identifying means is transmitted from the wireless unit and this empty channel information is displayed on the display means, the channel management can be easily performed. Become.

[0015]

Embodiments of the present invention will be described below. FIG. 1 shows a configuration example of a radio communication system of a radio control model configured by a control radio, a model radio, and a management monitor device of the present invention.
In this figure, reference numeral 1 denotes a management monitor device, which is composed of a management radio 2 and a display board 3. The management radio 2 receives radio waves in the frequency band assigned to the radio control model radio within the area of the dedicated airport or circuit area, for example, and monitors the usage of the radio waves. Then, based on the monitoring result, the vacant channel information having the frequency of the unused channel and no interference radio wave is transmitted on the channel of the predetermined frequency and supplied to the display board 3. The display board 3 displays available channels based on empty channel information supplied from the management radio 2.

The control radio 4 can transmit an operation signal corresponding to the operation amount of the operation stick to the radio control model 5 described later, and can also transmit the empty channel information transmitted from the control radio 2, A recognition signal transmitted from the model radio 6 mounted on the radio control model 5 can be received.

The radio control model 5 is, for example, a radio control model of an airplane. The radio control model 6 mounted on the radio control model 5 receives a signal from the control radio 4 to decode operation information.
The operation of each part of the radio control model 5 is controlled. When a signal from the control radio 4 is normally received, a recognition signal is transmitted to the control radio 4.

FIG. 2 shows the configuration of the main blocks of the above-mentioned radio control model management monitor device 1, FIG. 3 shows the configuration of the main blocks of the control radio 4 and FIG. 3 shows the configuration of the main blocks of the radio control model 5. 4 respectively. In addition, the monitoring device 1 for management of this example, the radio | wireless device 4 for operation, the radio control model 5
What is the wireless communication system between? A two-way communication system using a simplex method (simplex).

The management monitor device 1 shown in FIG. 2 includes a management radio 2 and a display board 3. The management wireless device 2 surrounded by a broken line is configured by a wireless unit 11, an empty channel determination circuit 12, and a frequency scan circuit 13. The wireless unit 11 includes a frequency scan circuit 13
According to the reception frequency scanned by the scanner, the signal can be received and the channel information from the idle channel discriminating circuit 12 can be transmitted at a predetermined channel frequency.

The vacant channel discriminating circuit 12 discriminates a vacant channel from a signal received by the radio unit 11 and uses the vacant channel as channel information.
1 and the display board 3.

The frequency scanning circuit 13 is adapted to scan the oscillation frequency, and when the radio unit 11 performs a receiving operation, the radio scanning of the radio unit 11 is performed within the frequency band allocated to the radio control model radio. When the frequency is scanned and the transmission operation is performed by the wireless unit 11, the transmission frequency of the wireless unit 11 can be fixed to a predetermined channel frequency.

On the other hand, the display board 3 includes a display section driving circuit 14.
The display unit driving circuit 14 drives the display unit 15 based on the channel information from the empty channel discriminating circuit 12 of the management radio 2. The display of the display unit 15 is controlled by the display unit drive circuit 14, whereby an empty channel is displayed on the display unit 15, so that a user or an administrator can be informed of a radio wave use situation.

The control radio 4 shown in FIG.
1, an operation signal generation circuit 22, a wireless unit 23, a transmission line monitoring circuit 24, an empty channel discrimination circuit 25, and a frequency scan circuit 26.

The operation unit 21 is provided with, for example, an operation stick (steering lever), not shown, and an operation signal generation circuit 22 generates an operation signal in accordance with an operation amount of the operation stick. The wireless unit 23 includes the operation signal generation circuit 2
2, for example, ASK modulation or F
In addition to transmitting the signal subjected to the SK modulation, it is possible to receive the channel information transmitted from the management radio 2 of the management monitoring device 1 and the recognition signal from the model radio 6 of the radio control model 5. Has been. The transmission path monitoring circuit 24 monitors the line connection state of the transmission path between the control radio 4 and the model radio 6 by the radio unit 23 based on the recognition signal from the model radio 6.

An empty channel discriminating circuit 25 discriminates an empty channel from the channel information when the radio unit 23 receives the channel information from the management radio 2.
The frequency scanning circuit 26 can scan the oscillation frequency, and when the radio unit 23 performs a reception operation, scans the reception frequency of the radio unit 23 within the frequency band allocated to the radio control model radio. At the same time, when a transmission operation is performed by the wireless unit 23, the transmission frequency of the wireless unit 23 can be fixed to a predetermined channel frequency.

The radio control model 5 shown in FIG. 4 is a model for a model, which is surrounded by a broken line and includes a radio unit 31, an operation signal decoder 32, a transmission line monitoring circuit 33, an identification signal generating circuit 34, and a frequency scanning circuit 35. It is composed of a radio 6 and an actuator 36 for controlling the operation of each part of the radio control model 5.

The radio unit 31 receives a signal from, for example, the control radio 4 and also generates a recognition signal generation circuit 34.
The identification signal generated in step (1) can be transmitted. The operation signal decoder 32 decodes the operation signal from the signal received by the wireless unit 31. The transmission path monitoring circuit 33 monitors the output signal of the operation signal decoder 32 for an abnormality in the transmission path with the control radio 4.

The identification signal generating circuit 34 is a transmission line monitoring circuit 3
When it is determined in step 3 that the transmission path to the control radio 4 is normal, an identification signal is generated. The frequency scanning circuit 35 can scan the oscillation frequency, and
1 when the receiving operation is performed, the receiving frequency of the wireless unit 31 is scanned in the frequency band allocated to the wireless device of the radio control model 5, and when the transmitting operation is performed by the wireless unit 31, the wireless unit 31 is used. Can be fixed to a predetermined channel frequency.

The actuator 36 is connected to the operation signal decoder 32
In accordance with the operation signal decoded in step (1), various controls such as the output control (encon) of the engine of the radio-controlled model 5, the horizontal tail (elevator), the auxiliary wing (aileron), and the rudder (ladder) are performed.

The operation of the management monitor 1, the control radio 4, and the model radio 6 will now be described with reference to FIG.
And a timing chart shown in FIG.
The operation timing charts shown in FIGS. 5 and 6 are a series.

As shown in FIGS. 5 and 6, the management radio 2
Is to perform a receiving operation of receiving and monitoring radio waves in a frequency band used for a radio control model 5 in a field and a transmitting operation of transmitting empty channel information at a predetermined channel frequency (fO) at a predetermined timing cycle. Is done.

Here, for example, when the pilot turns on the power of the control radio 4 in order to operate the radio control model 5,
The control radio 4 enters the reception mode for receiving the idle channel information from the management radio 2 and is set to the reception frequency (f0) of the radio unit 23 of the control radio 4. When empty channel information () is received by the steering wireless device 4, one channel is selected from the received empty channel information.

Next, the control radio 4 enters the transmission mode, and transmits the connection signal at the selected channel frequency (f1). After the connection signal is transmitted, the mode is set to the reception mode of the connection signal returned from the model radio 6 for a certain period. The operation of transmitting the connection signal and the operation of receiving the connection signal in the control radio 4 are performed until the control radio 4 receives the recognition signal.

At this time, the model radio 6 is in the reception mode, and the scanning operation of the assigned channel frequencies f1 to fn is being performed. This scanning operation is also performed until a connection signal from the steering wireless device 4 is received.
When the connection signal () from the control radio 4 is received by the model radio 6, the model radio 6 determines that the channel frequency of the control radio 4 is f1 and the control radio 4. The control unit 4 returns a recognition signal to the control radio 4 at the same frequency as the transmission frequency (f1). Note that the recognition signal may simply be an unmodulated carrier wave of frequency f1, but is preferably a signal modulated with a predetermined code signal or an ID code that can be set for each radio control model 5.

As described above, when the recognition signal is returned from the model radio 6 to the control radio 4 and the recognition signal () is received by the control radio 4, the control radio 4 uses the model radio. It is determined that the transmission path with the wireless device 6 has been secured, and the operation data () of the radio control model 5 is transmitted from the next signal frame.

On the other hand, the model radio 6 also receives the connection signal () from the control radio 4, determines that the transmission path with the control radio 4 has been secured, and determines the channel frequency (f 1).
Is set to the operation data reception mode. Then, each time the operation data () is received from the control wireless device 4, the recognition signal () is returned. In this example, the recognition signal is returned for each packet of the operation data. However, the present invention is not limited to this, and the recognition signal may be returned in units of a plurality of packets.

That is, when the transmission path between the control radio 4 and the model radio 6 is normal, the control radio 4 repeats the operation of transmitting operation data and the operation of receiving a recognition signal. In the model radio 6, the operation of receiving the operation data and the operation of transmitting the recognition signal are repeatedly performed.

Here, for example, if interference occurs at the channel frequency (f1) as shown in FIG. 6, the model radio 6 cannot receive operation data () from the model radio 4. , The identification signal () is not returned.

At this time, the control radio 4 enters the standby mode in the recognition signal receiving mode, but if the recognition signal is not received after a certain period of time, it again enters the transmission mode, transmits the operation data (), and transmits the recognition signal again. Standby mode in the reception mode. The control radio 4 repeats such an operation. For example, if the recognition signal () from the model radio 6 cannot be received even after the elapse of the certain period T, it is determined that the interference has occurred. Alternatively, it may be determined that interference has occurred when the recognition signal has not been correctly decoded a predetermined number of times.

In this case, the control radio 4 is again in the reception mode for receiving the idle channel information from the management radio 2 and the reception frequency of the control radio 4 is changed to the reception mode.
Channel frequency (fO). Then, it receives the empty channel information () and newly selects one channel.

Then, the control radio 4 is set in the transmission mode, and the connection signal () is output at the selected channel frequency (f2).
Is transmitted, and the mode is changed to the receiving mode of the connection signal returned from the model radio 6 again. The operation of transmitting the connection signal and the operation of receiving the connection signal in the steering wireless device 4 are performed until the recognition signal is received by the steering wireless device 4 as described above.

On the other hand, if the model radio 6 cannot receive the operation data from the control radio 4 even after the elapse of a certain period T, it is determined that interference has occurred and the reception mode is set.
The scanning operation of the assigned channel frequencies f1 to fn is started. Alternatively, it may be determined that interference has occurred when the operation data has not been correctly decoded a predetermined number of times. Then, when the connection signal () from the control radio 4 is received again, the model radio 6 determines the frequency of the control radio 4 based on the connection signal, and transmits the transmission frequency of the control radio 4 ( Same frequency (f2) as f2)
Returns a recognition signal () to the steering wireless device 4.

When the recognition signal () is returned from the model radio 6 and the confirmation signal is received again by the control radio 4, the transmission path of the control radio 4 to the model radio 6 is established. It is determined that it has been secured again, the operation data () is transmitted from the next signal frame, and the recognition signal () returned from the model radio 6 is received. As described above, the control radio 4 and the model radio 6 of the present example determine whether or not interference has occurred, and when it is determined that interference has occurred, automatically switch to a new channel frequency. Since the switching is performed, communication can be continued, and an unexpected situation such as a crash of the radio-controlled model 5 can be prevented.

In the above example, if interference occurs in the transmission path between the control radio 4 and the model radio 6, and a new channel frequency (f2) is selected by the control radio 4, The connection signal is transmitted until the recognition signal is received. However, at this time, since the radio-controlled model 5 is in flight, it is necessary to promptly secure a transmission path using a new channel frequency (f2). Therefore, in this case, the operation data is transmitted immediately without transmitting the connection signal from the control radio 4, and the transmission path is normally operated by the recognition signal returned when the operation data is received by the model radio 6. It may be determined whether or not it is secured.

When the scanning operation is performed for all the channel frequencies f1 to fn assigned by the model radio 6, the scanning operation time becomes long. Therefore, the scanning operation is performed by dividing the channels into a plurality of groups. The time may be shortened.

Furthermore, since the model radio 6 can also receive the empty channel information of the management radio 2, the model radio 6 receives the empty channel information and the model radio 6 When a scan operation is performed,
It is also possible to shorten the scanning operation time by scanning while skipping only the vacant channel frequencies.

In the above-described example, the case has been described in which the channel frequencies of the control radio 4 and the model radio 6 are set in the control radio 4 based on the empty channel information from the management monitor device 1. That is, a case has been described in which the management monitoring device 1 performs channel management in a unified manner. However, the radio control model is often used by one person, and in this case, it is difficult to prepare a large facility such as the management monitor device 1.

Therefore, in order to avoid interference or the like with only the control radio 4 and the model radio 6 without using the management monitor 1 for managing the empty channel, the control radio 4 and the model radio need not be used. Communication with the wireless device 6 is performed using MCA (multi chan
nel access) can be easily realized. The operation in the normal state is the same as the operation shown in the operation timing chart of FIG.

In this case, when interference occurs in the channel frequencies of the control radio 4 and the model radio 6, the control radio 4 executes a scan operation of the assigned channel to determine an empty channel. Then, the operation data is transmitted at the frequency of the determined empty channel. In other words, since the control wireless device 4 determines an empty channel and switches to the channel frequency, communication can be continued without using the management monitor device 1.

In this embodiment, the radio-controlled model 5 is described as a radio-controlled model airplane. However, the present invention is not limited to this, and can be applied to various radio-controlled models such as helicopters, airships, and cars.

[0051]

As described above, the radio controller for controlling a radio-controlled model of the present invention changes the oscillation frequency when the identification signal from the model radio cannot be continuously identified for a predetermined period of time. The radio changes the reception frequency when the operation information from the control radio cannot be continuously identified for a predetermined period of time.
An unexpected situation such as a crash or collision of the radio control model can be avoided, and safety can be improved. Another advantage is that the channel frequency can be automatically set when the power of the control radio is turned on.

Further, according to the monitoring apparatus for management of the present invention, there is an advantage that the channel management can be easily and unitarily performed, and the use condition of the channel can be easily grasped by the display means. .

[Brief description of the drawings]

FIG. 1 shows an example of the configuration of a radio communication system of a radio control model configured by a steering radio, a model radio, and a management monitor device of the present invention.

FIG. 2 is a diagram showing a configuration of main blocks of a management monitor device according to the present embodiment.

FIG. 3 is a diagram showing a configuration of main blocks of the steering wireless device according to the present embodiment.

FIG. 4 is a diagram showing a configuration of main blocks of a radio-controlled model according to the present embodiment.

FIG. 5 is a management wireless device, a model wireless device,
It is a figure showing operation timing of a control radio.

FIG. 6 shows a management radio, a model radio,
It is a figure showing operation timing of a control radio.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 management monitoring device 2 management radio 3 display board 4 control radio 5 radio control model 6 model radio 11, 23, 31 radio unit 12, 25 empty channel discriminating circuit 13, 26, 35 frequency scan circuit 14 display Unit drive circuit 15 Display unit 21 Operation unit 22 Operation signal generation circuit 24, 33 Transmission path monitoring circuit 32 Operation signal decoder 34 Recognition signal generation circuit 36 Actuator

Claims (6)

[Claims] 1. An operation information generating means for generating and outputting operation information according to an operation amount of an operation unit, and transmitting at least a signal modulated by the operation information and receiving a recognition signal from a model radio. A radio unit for receiving, an oscillation frequency control unit for variably controlling an oscillation frequency of the radio unit, a transmission line monitoring unit for monitoring a connection state of a transmission line based on the recognition signal received by the radio unit, and the radio unit Empty channel discriminating means for discriminating an empty channel from the received signal, when the transmission path monitoring means determines that the connection state of the transmission path is not good, discriminates an empty channel by the empty channel discriminating means, Wherein the oscillation frequency control means changes the oscillation frequency to an oscillation frequency corresponding to an empty channel. Type of steering radio. 2. The radio control device according to claim 1, wherein the empty channel is determined by receiving empty channel information transmitted at a predetermined channel frequency. 3. The radio control device according to claim 1, wherein the empty channel is determined by scanning a predetermined frequency band. 4. The apparatus according to claim 1, wherein said channel discriminating means determines an empty channel even when power is turned on, and said oscillation frequency control means sets an oscillation frequency to an oscillation frequency corresponding to said empty channel. Item 4. The radio controller for controlling a radio-controlled model according to any one of Items 1 to 3. 5. A wireless unit that receives at least a signal modulated with operation information and transmits a recognition signal; an oscillation frequency control unit that variably controls an oscillation frequency of the wireless unit; Operation information demodulation means for demodulating operation information from the received signal, transmission line monitoring means for monitoring a connection state of a transmission line by a signal modulated by the operation information received by the wireless unit, and recognition for generating a recognition signal. A signal generation unit, wherein when the transmission line monitoring unit determines that the connection state of the transmission line is good, the wireless unit transmits the recognition signal, and the transmission line monitoring unit detects the connection state of the transmission line. If it is determined that is not good, the radio unit scans the allocated frequency band and changes the reception frequency. The model radio of the radio control model. 6. A radio unit for transmitting and receiving a signal, a reception frequency control means for variably controlling a reception frequency of the radio unit, and an empty channel discrimination means for judging an empty channel from a signal received by the radio unit. And a management radio for transmitting, from the wireless unit, empty channel information for notifying the empty channel determined by the empty channel identifying means, and a display means for displaying the empty channel information. Monitoring device for management.