JPH0449519Y2 - - Google Patents

Description

[Detailed explanation of the invention] [Technical field of the invention] This invention stores an optical fiber in advance in a flying object, and after being launched, it flies while stretching the stored optical fiber. This invention relates to improvements in devices for controlling flying objects.

[Prior art]

FIG. 1 is a diagram showing an example of a conventional flying object guidance device and a flying object. In the figure, 1 is a guidance controller, 2 is an image display, 3 is an optical coupler, 4 is an optical fiber, 5 is a flying body.

The conventional flying object guidance device is configured as described above, and the control signal output from the guidance controller 1 is guided to the optical coupler 3, transmitted through the optical fiber 4, and reaches the flying object 5. . on the other hand,
The image signal obtained within the flying object 5 is transmitted through the optical fiber 4 and input to the image display 2. Furthermore, the detonation is performed based on a command signal output from the guidance controller 1.

Next, the mechanism used for detonating the light guided from the optical fiber 4 in the flying body 5 will be explained.

Fig. 2 is a diagram showing a detonating circuit used inside a conventional flying object.
is an optical fiber, 6 is a photoelectric converter, 7 is a battery,
8 is a detonation control circuit, 9 is a switch, 10 is a resistive heating element, and 11 is a detonator.

The light guided from the optical fiber 4 to the flying body 5 is converted into an electrical signal by a photoelectric converter 6,
The signal is input to the detonation control circuit 8 as a detonation control signal. In addition, power from the battery 7 is input to the detonation control circuit 8, and power is input from the optical fiber 4.
The power is switched by the detonation control signal inputted via the detonation control signal, and detonation electric power is output. The detonation electric power output from the detonation control circuit 8 applies electric power to the resistive heating element 10 surrounded by the detonator 11, and a predetermined detonation is performed.

Figure 3 is an example of an optical coupler used in a conventional fiber flying object guidance device.
3 is a collimating connector, 14 is a wavelength λ ₁
band pass filter for, 15 is wavelength 1
16 is a band pass filter for wavelength λ 2, and for multiplexing wavelength λ ₁ and wavelength λ ₂ , 16 is a band pass filter for wavelength λ ₂ .
It has 1 input (wavelength λ ₁ ), 1 output (wavelength λ ₂ ), and 1 multiplexed input/output (wavelength λ ₁ , λ ₂ ).
The signal of the guidance controller or the image display device may be assigned to either the wavelength λ ₁ or the wavelength λ ₂ .

However, since the detonation inside the flying object is carried out by an electrical signal, there is a drawback that there is a high possibility of an accidental explosion in the atmosphere in which the flying object is exposed to a high electromagnetic field (for example, lightning).

[Summary of the idea]

This invention was made with the aim of improving these drawbacks, and includes an image signal from a sensor attached to the flying body, a control signal for the flying body from the mother aircraft, and a light for detonating the flying body from the mother aircraft. This paper proposes a flying object guidance device characterized by multiplexed bidirectional transmission of three types of energy.

[Example of idea]

FIG. 4 is a block diagram showing an embodiment of this invention, in which numerals 1, 2, 4, and 5 are exactly the same as the conventional device described above. Reference numeral 3 is the same as the conventional device described above, except that in addition to the control signal input and image signal output, it also includes an input for transmitting laser light energy. 12
is a laser oscillator.

FIG. 5 shows an embodiment of an optical coupler for obtaining multiplexed bidirectional transmission used in the flying object guidance device of this invention, and 17 shows the optical coupler that converts the wavelength λ ₃ from the wavelengths λ ₁ and λ ₂ . The beam splitter 18 for separation is a bandpass filter for the wavelength λ ₃ , and one output for multiplexing the wavelength λ ₃ is added, and the multiplexing input/output includes wavelengths λ ₁ ,
Light of λ ₂ and λ ₃ is passing through. The signal of the guidance controller ₁ , the image display ₂ , or the optical energy of the laser oscillator may be assigned to any of the wavelengths λ 1 , λ 2 , and λ ₃ .

FIG. 6 is a diagram showing an example of the optical energy converter for detonation used in combination with the fiber missile guiding device of this invention shown in FIG.・Since it is functionally the same as the coupler, we will briefly explain it. In the figure, the wavelength of λ ₁ is used for the detonation, the wavelength of λ ₂ is used for the image sensor signal, and the wavelength of λ _{3 is} used for the image sensor signal.
wavelengths are depicted as being used for flight direction and mode control. λ ₁ and λ ₃ are input to the flying object at wavelengths corresponding to the light from the laser oscillator and the guidance controller, respectively, and λ ₂ is an optical signal detected by the image sensor of the flying object that is sent to the guidance device side. , fulfills its function. In addition, the right side of Figure 6 schematically shows an example of a method of detonation using light energy.
9 is a glass column, 20 is a mixture of gunpowder and additives, 2
1 is gunpowder, the additive is made to easily absorb light with a wavelength of λ ₁ , and 20 is glued to the glass column 19 so that it can be detonated efficiently by the energy of the input light. is made of.

The fiber flying object guiding device constructed as described above is extremely difficult to detonate unless light energy for detonation is received from a laser oscillator.

[Effect of idea]

As explained above, this design uses direct detonation using light energy and does not require an element to convert electrical energy into detonation energy, so it is highly safe and prevents accidental detonation even in a high electromagnetic field atmosphere. This has the effect of providing reliable operation.

[Brief explanation of the drawing]

Figure 1 is a diagram showing a conventional flying object guidance device.
Fig. 2 is a diagram showing a detonating circuit used inside a conventional flying object, and Fig. 3 is a diagram showing a detonating circuit used inside a conventional flying object. FIG. 4 is a diagram showing an example of an optical coupler, FIG. 4 is a diagram showing a flying object guidance device of this invention, and FIG. 5 is a diagram showing an optical coupler used in the flying object guidance device of this invention shown in FIG. FIG. 6 is a diagram illustrating an embodiment of an optical coupler for obtaining two-way transmission. It is a figure which shows an example. In the figure, 1 is a guidance controller, 2 is an image display,
3 is an optical coupler, 4 is a fiber, 5 is a flying body, 6 is a photoelectric converter, 7 is a battery, 8
1 is a detonation control circuit, 9 is a switch, 10 is a resistive heating element, 11 is a detonator, 12 is a laser oscillator, 13
14 is the collimating connector, and 14 is the band connector.
Pass filter, 15, beam splitter, 1
6 is a band pass filter, 17 is a beam splitter, 18 is a band pass filter, 19 is a glass column, 20 is a mixture of gunpowder and additives, and 21 is gunpowder. Note that the same or corresponding parts in the figures are indicated by the same reference numerals.

Claims (1)

[Scope of utility model registration request] a guidance controller that provides control signals for flight direction and mode to the flying object; an image display for monitoring the target; a laser oscillator for detonating the missile;
It consists of an optical coupler for multiplexing the light from the laser oscillator, and it combines the guidance control signal output from the guidance controller, the image signal input to the image display, and the detonation light energy output from the laser oscillator. A flying object guidance device characterized by multiplexed bidirectional transmission through a single optical fiber.