JPH04124598A - Ejecting device for ejection type electronic device and signal transfer method thereof - Google Patents

Abstract

PURPOSE:To permit the contraction of the volume of the interface section of a signal by a method wherein a launching signal and an information signal, transferred from a control device to an ejection type electronic device, are transmitted through a common signal wire. CONSTITUTION:A programmer 1 sends a launching signal to an ejection type electronic device 3 through a signal wire 5. According to this operation, a filament 33 is heated and a thermal battery is ignited to generate heat whereby chemical reaction is caused and an electromotive force is generated. Subsequently, the programmer 1 sends an information signal to an ejection type electronic device 3 immediately after the sending of the launching signal employing a signal wire 5 same as the signal wire, through which the launching signal is sent out, utilizing a time until the thermal battery 31 arrives at a stationary condition. When all of the transmission of the information signals from the programmer 1 are finished thereafter, a finishing of receiving deciding unit 32 decides the finishing of the receiving of the information signals whereby a switch 34 is closed. Signal wires for transmitting the launching signal and the information signal are united into a common signal wire whereby the volume of the interface unit of the signal wire can be reduced.

Description

[Detailed Description of the Invention] [Summary 1: Signal transmission of a firing signal and information signal during injection in an injection device that injects an injection-type electronic device that emits radio waves etc. from an aircraft, etc., and an injection-type electronic device injection device that performs the same. In order to reduce the size of injection-type electronic devices by providing a signal transmission method that can reduce the volume of the interface section required for signal transmission, we have developed an injection-type electronic device that uses a thermal battery as an internal power source to drive an internal circuit. a magazine section loaded with the injection type electronic device and configured to eject the injection type electronic device by exploding gunpowder;
The injection type electronic device is equipped with a control unit that sends a starting signal for the thermal battery and an information signal set in the internal circuit through a common signal line, and the control unit sends information following the starting signal via the common signal line. A signal is sent out, and the injection-type electronic device sends the electromotive force of the thermal battery activated by the activation signal as an ignition signal to the gunpowder in the magazine section.

[Industrial Application Field 1] The present invention relates to a signal transmission method of a firing signal and an information signal during injection in an injection device for ejecting an injection-type electronic device that emits radio waves from an aircraft, etc., and an injection-type electronic device that performs the same. It relates to an injection device.

Such injection-type electronic devices are used for purposes such as emitting marker radio waves while falling through the air after being ejected.

With the recent rapid progress in LSI and microwave MIC technology, the internal circuits of such injection-type electronic devices are rapidly becoming smaller.

Therefore, in order to downsize the injection mold electronic device as a whole, it is necessary to further reduce the volume of the signal line portion for the interface with the outside of the injection mold electronic device.

[Prior Art] Conventionally, an injection device for ejecting such an injection-type electronic device loads an ejection part into a magazine, detonates the gunpowder loaded in the magazine in response to a firing signal from a control device, and utilizes the explosive force. There are known types that are ejected from aircraft, etc.

On the other hand, if the injection target is an electronic device that emits beacon radio waves in the microwave band, for example, information regarding the radio wave emission conditions such as the altitude and speed of the mother aircraft is transmitted to the internal circuit of the injection type electronic device. You need to set it to . Furthermore, since such injection-type electronic devices perform microwave transmission, they require an internal power source with a large current capacity, and a thermal battery is generally used. This thermal battery needs to be ignited by giving a start signal just before injection.

As a result, when the injection-type electronic device is injected, a starting signal for the thermal battery and various information signals must be transmitted from the control device to the injection-type electronic device. Conventionally, this signal transmission has been carried out by sending signal lines corresponding to the number of necessary signals, and transmitting the signals from the control device side of the injection device via each signal line.

[Problem to be solved by the invention] Conventionally, signal lines were prepared according to the number of signals, so it was necessary to prepare the volume of the interface part according to the number of signal lines on the injection type electronic device side. Because of the large volume, even if the internal circuit was miniaturized, the injection mold electronic device as a whole could not be miniaturized.

The present invention has been made in view of the above circumstances, and its purpose is to provide a signal transmission method that can reduce the volume of the interface ground portion required for signal transmission, and to miniaturize injection-type electronic devices. Another object of the present invention is to provide an injection device for an injection type electronic device that performs such a signal transmission method.

[Means to solve the problem 1 FIG. 1 is a diagram explaining the principle of the present invention.

In one form, the signal transmission method for an injection molded electronic device injection device according to the present invention includes an injection molded electronic device 11 that drives an internal circuit 16 using a thermal battery 14 as an internal power source, and an injection molded electronic device @ll loaded. a magazine section 12 that injects the injection type electronic device 11 by exploding the gunpowder 15;
6 through a common signal line 17, the control unit 13 transmits an information signal set to
The injection-type electronic device 11 sends out an information signal following the activation signal via the activation signal 7, and the injection type electronic device 11 sends the electromotive force of the thermal battery 14 activated by the activation signal as an ignition signal to the fire i15 of the magazine section I2. It is.

Further, the signal transmission method of the injection device injection device according to the present invention includes, as another form, the above-mentioned signal transmission method,
The injection type electronic device 11 includes a switch 19 that cuts off transmission of the ignition signal, and a reception completion determination section 18 that determines the completion of reception of the information signal, and the reception completion determination section 18 determines whether or not the transmission of the ignition signal to the magazine section I2 is completed. The switch 19 prohibits the reception of the information signal until I8 determines that the reception of the information signal is complete.

The injection-type electronic device injection device according to the present invention for carrying out the above-described signal transmission method includes an injection-type electronic device 11 that drives an internal circuit 16 using a thermal battery 14 as an internal power source, and an injection-type electronic device 11 loaded with the injection-type electronic device 11. The magazine section 12 that injects the injection type electronic device 11 by exploding the gunpowder 15 with 17, and the control section 17 is equipped with a common signal line 17.
A signal line 20 is provided to send an ignition signal from the injection type electronic device 11 to the gunpowder 15 in the magazine section 12, so that the gun is activated by the activation signal. The electromotive force of the thermal battery 14 is sent as an ignition signal to the fire 115 of the magazine section 12 via a signal m20.

[Operation] First, the control unit 13 sends a start signal (firing signal) to the thermal battery 14 of the injection type electronic device 11 via the common signal line 17. As a result, the thermal battery 14 starts operating, and its electromotive force starts to rise. Further, after sending this activation signal, the control device 13 sends an information signal to the injection mold electronic device 11 via the common signal line 17. This information signal is received by the injection type electronic device 11 and set in the internal circuit 16.

The electromotive force of the thermal battery 14 is transmitted to the magazine section 1 via the signal line 20.
Therefore, when the electromotive force of the thermal battery 14 rises to a steady state, the gunpowder in the magazine section 12 is ignited by the electromotive force, causing an explosion, which causes the injection type electronic The device 11 is fired.

In another embodiment of the present invention, the firing signal from the thermal battery 14 is given to the gunpowder 15 via a switch 19, and this switch 19 is supplied to the gunpowder 15 before the reception completion determination unit 18 determines the completion of reception of the information signal. is opened, and is closed after it is determined that reception is complete, so that an ignition signal can be sent. This prevents the injection type electronic device 11 from being erroneously fired before the information signal is transferred.

[Example] Hereinafter, the present invention will be described in detail with reference to the drawings.

FIG. 2 shows the main parts of an injection device for an injection type electronic device as an embodiment of the present invention, and FIG. 3 shows its overall configuration. This injection type electronic device injection device is mounted on an aircraft or the like to eject into the air an injection type electronic device 3 that emits radio waves for marking etc. This injection type electronic device 3 is shown in FIG. A plurality of them are loaded into the magazine 2 so that they can be fired, and each one is ejected into the air in response to a firing command from a control section (programmer) (2).

In the figure, the injection device is a programmer 1 as a control device.
and a magazine 2 loaded with a plurality of injection type electronic devices 3. The programmer 1 manages the processing sequence of the entire injection device, and supplies information signals obtained from an external device 4 and a firing command signal to the injection mold electronic device 3 via a common signal line 5. This information signal is, for example, information such as radio wave emission conditions such as the altitude and speed of the base aircraft. Further, the firing command signal corresponds to a starting signal to the thermal battery 31, which will be described later.

The magazine 2 is loaded with an injection-type electronic device 3 and a SCUZO (gunpowder for injection) 21, and by exploding the SCUZO 21, the injection-type electronic device 3 is ejected from the machine.

This scuzo 21 is equipped with an electric bridge wire 22 which is an ignition filament, and when this electric bridge wire 22 receives an ignition signal, it is heated and ignited, causing the gunpowder to explode.

The injection type electronic device 3 includes a thermal battery 31 serving as an internal power source, an information signal reception completion determination section 32, a switch 34, an electronic circuit 335 for microwave radio wave radiation, and the like.

The thermal battery 31 has a filament 33 for ignition,
When this filament 33 receives a thermal battery activation signal, it is ignited and generates heat, and a chemical reaction caused by the heat generation generates an electromotive force. This electromotive force is supplied to the internal electronic circuit as a power source, and is also supplied to the electric bridge 1@22 of the scuzo 21 of the magazine 2 as a firing signal via the switch 3. The reception completion determination section 32 is a circuit that determines whether or not the programmer has completed the reception of the information signal. The received information signal is stored in the internal RAM via the reception completion determination section 32. An opening/closing control signal is sent from the reception completion determination section 32 to the switch 34. The switch 34 is controlled to be OFF (open) before the completion of reception is determined, and on (closed) after the completion of reception is determined.

The operation of this embodiment apparatus will be explained below with reference to the time chart of FIG.

First, the programmer I sends a signal #! to the injection mold electronic device 3.
A firing signal is sent via 5. This firing signal is the thermal battery 3
Corresponds to the activation signal applied to the filament 33 of 1,
This heats the filament 33, causing the thermal battery to ignite and generate heat, which causes a chemical reaction and generates an electromotive force. This electromotive force is supplied to the internal circuit, but it takes some time for the electromotive force to rise, so it takes a certain amount of time for the electromotive force to generate enough to drive a microwave transmitter, etc. that requires a large amount of power. Although it takes
Even in the early hours after ignition, the electromotive force for driving the weak power circuits such as the reception completion determination unit 32 and internal RAM is generated by the thermal battery 31.
can be obtained from.

Next, programmer 1 immediately follows the sending of the 1 fire signal.
Using the time until the thermal battery 32 reaches a steady state, an information signal is sent to the injection type electronic device 3 using the same signal line 5 through which the firing signal was sent. This information signal passes through the reception completion determination section 32 and is stored in the internal RAM. As described above, the reception completion determination unit 32 and internal RAM are
Since it operates even with weak electric power, it can operate satisfactorily even with the weak electric power of the thermal battery 3I immediately after ignition.

Eventually, when all the information signals from the programmer 1 have been transferred, the reception completion determination section 32 determines that the reception of the information signals is complete, and the switch 34 is thereby closed. As a result, the electromotive force of the thermal battery 31 is sent as an ignition signal to the scuzo 21 of the magazine 2 via the switch 34, which heats the electric bridge wire 22, ignites the gunpowder, and causes an explosion. This explosion caused the injection-type electronic bag r! 13 is ejected into the air from the mother aircraft.

According to the above configuration, the volume of the interface section can be reduced by using the signal line for transmitting the emission signal and the information signal as a common signal line.

Furthermore, according to the above injection sequence, the injection type electronic device 3
Since the thermal battery 31 generates a sufficiently large electromotive force immediately after injection, the injection type electronic device 3 can operate the internal microwave circuit and emit radio waves immediately after injection. In addition, by adjusting the timing of sending the firing signal to the SCUZO 21 using the switch 34, it is possible to prevent the injection type electronic device 3 from firing erroneously before the information signal is transferred.

Various modifications are possible in implementing the invention. For example, in the embodiment described above, the reception completion determination section 32 and the switch 34 are used to prevent erroneous firing of the injection type electronic device, but if the time required to transfer the information signal is extremely short, these circuits may be used. Alternatively, the electromotive force of the thermal battery 31 may be applied directly to the SCUZO 21. In other words, with such a configuration, it generally takes a relatively long time of 10 to 20 m5ec to ignite and explode the SCUZO 2I because it is necessary for the electromotive force of the thermal battery 31 to rise sufficiently. Since the time required to transfer a signal is often on the order of microseconds, in such cases, after sending out the firing signal, the information signal is sent immediately by utilizing the time when the electromotive force of the thermal battery 31 has not sufficiently increased. If transferred, the transfer of the information signal can almost certainly be completed before the SCUZO 21 explodes.

In addition, as another modification, in the above-described embodiment, the power source for operating the reception determination unit 32 and internal power source is taken from the thermal battery 31, but the invention is not limited to this, and these circuits can be operated using weak electric power. Therefore, instead of a thermal battery that generates a large amount of power, a general battery may be provided separately to keep these circuits running at all times.

[Effect of the Invention 1 As explained above, 5 According to the present invention, since the firing signal and the information signal transmitted from the control device to the injection mold electronic device are sent through a common signal line, the interface of these signals is The volume of the part can be reduced, and the entire injection-type electronic device can be downsized. Furthermore, by igniting the gunpowder via a switch that is turned on upon completion of receiving the information signal, it is possible to reliably prevent erroneous firing of the injection type electronic device before information is transferred. Furthermore, by transmitting the firing signal to activate the thermal battery and transmitting the information signal while the thermal battery is in a steady state, the time required for actual injection can be minimized.

[Brief explanation of the drawing]

Fig. 1 is a diagram explaining the principle of the present invention, Fig. 2 is a block diagram showing the main parts of an injection device of an injection type electronic device as an embodiment of the invention, and Fig. 3 shows the overall configuration of the embodiment device. The block diagram shown in FIG. 4 and FIG. 4 are time charts explaining the operation of the embodiment device. In the figure, ■...Injection device 2...Magazine 3...Injection type electronic device 4...-External device 21...Scuzo (gunpowder for injection) 22...Electric bridge wire 31...Thermal battery 32 ...Reception completion determination section 33...Ignition filament 34...Switch 35...Electronic circuit

Claims (1)

[Claims] 1. Internal circuit (16) using thermal battery (14) as internal power source
an injection-type electronic device (11) that drives the injection-type electronic device (11); and a magazine section (12) that is loaded with the injection-type electronic device (11) and ejects the injection-type electronic device (11) by exploding gunpowder (15). , a starting signal for the thermal battery (14) and the internal circuit (16) for the injection type electronic device (11).
and a control unit (13) that sends out an information signal set to The injection type electronic device (11) sends out an information signal, and uses the electromotive force of the thermal battery (14) activated by the activation signal as an ignition signal to fire the gunpowder (1) in the magazine section (12).
5) A signal transmission method for an injection device for an injection type electronic device. 2. The injection type electronic device (11) includes a switch (19) that cuts off the transmission of the firing signal, and a reception completion determination section (18) that determines the completion of reception of the information signal, and the magazine section ( 12) of the injection-type electronic device injection device according to claim 1, wherein the switch prohibits sending of the firing signal to the injection-type electronic device until the reception completion determination unit (18) determines that the reception of the information signal is completed. Signal transmission method. 3. Internal circuit (16) using thermal battery (14) as internal power source
an injection-type electronic device (16) that drives the injection-type electronic device (16); and a magazine section (12) that is loaded with the injection-type electronic device (11) and ejects the injection-type electronic device (11) by exploding the gunpowder (15). , a control unit (13) that sends a starting signal for the thermal battery (14) and an information signal to be set in the internal circuit (16) to the injection type electronic device (11) through a common signal line (17). The control unit (13) is configured to transmit the information signal following the activation signal via the common signal line (17), and the injection type electronic device (11) is configured to transmit the information signal to the magazine unit ( 12)
A signal line (20) is provided to send an ignition signal to the gunpowder,
The electromotive force of the thermal battery (14) activated by the activation signal is used as an ignition signal to send the magazine section (1
2) an injection-type electronic device injection device configured to deliver the gunpowder (15);