JPS60113953A - Guided missile - Google Patents

Abstract

PURPOSE:To obtain a small-sized light-weight missile effectively cooling electronic parts in case of emergency by fitting two compounds generating endothermic chemical reaction through mixing, two hollow chambers receiving these substances and an initiator breaking the partition walls of hollow sections by an external signal to the guided missile on which a plurality of electronic modules incorporating the electronic parts requiring cooling are loaded. CONSTITUTION:A plurality of electronic modules 1 constituting a guided missile are constituted by rectangular hollow cylindrical bodies, and electronic parts 6 requiring cooling are each fixed inside the long sides of the modules 1. Two partitioned hollow sections 7a and 7b are formed in the wall of the cylindrical module 1 on the side to which the parts 6 are fastened, liquid ammonia 8a and urea 8b are each sealed previously in the hollow sections, and an initiator 9 is buried previously between the hollow sections 7a and 7b. According to such constitution, the initiator 9 is exploded by signals 10 from an oscillator 11 as required to communicate the hollow sections 7a and 7b, ammonia 8a and urea 8b are mixed to generate an endothermic reaction, and the parts 6 are cooled rapidly.

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to an improvement in a guided flying object equipped with a plurality of electronics modules containing electronic components that require cooling. sex,
The present invention relates to a cooling technology for a guided flying vehicle equipped with a plurality of modularized electronic devices from the viewpoint of productivity or reliability.

In recent years, guided flying vehicles have become more densely packed with electronic components, and seekers have become more active.

The amount of heat generated by electronic components is becoming enormous.

Therefore, in order for guided flying vehicles to maintain or improve their functions, sufficient cooling of electronic components is required, but at the same time, it is necessary to promote smaller and lighter cooling systems.

[Prior Art] Figure 1 shows a conventional cooling system for a guided flying vehicle.A cooling plate (2) is provided along the electronics modules (Ia) to (In)K, a tank (3), a pump (4) , a refrigerant sent from a refrigerant circulation system comprising a heat exchanger (5) was flowed into the cooling & (2) to cool the electronics modules (1a) to (1n).

However, in conventional guided flying vehicles, it is a tank (3).

The pump (4), heat exchanger (5), piping parts, refrigerant, etc. have been a major impediment to downsizing and weight reduction.

Furthermore, there is a problem that the internal temperature of the guided flying object increases due to the heat discharged from the heat exchanger (4), resulting in a decrease in heat exchange capability and an adverse effect on other electronic components.

[Summary of the Invention] The present invention has been made to improve such problems, and includes a cooling system configured to cool electronic components using the endothermic action of a chemical substance incorporated into an electronics module housing. by doing.

The present invention proposes a lightweight, small, and reliable guided flying object that does not require pumps or other refrigerant circulation devices, heat exchangers, etc., and does not emit heat to the outside of the electronics module.

Embodiments of the Invention] Examples of the invention will be described with reference to FIGS. 2, 3, and 4.

FIG. 2 is an example of an electronics module used in a guided flying vehicle according to the present invention, FIG. 3 is a sectional view of an r-lectronics module, and FIG. 4 is an example of a guided flying vehicle according to the present invention.

In Figure 2, (1) is an electronics module, (6) is an electronic component that requires cooling, (7a), (
7b) is 2 installed in the electronics module (1).
To explain in more detail using the cross-sectional view of the electronics module shown in FIG.
+6+.

(7a), (7b) are the same as in Figure 2, (8a), (8
b) is a hollow part (7a).

(7b) is a chemical substance that causes an endothermic chemical reaction when mixed; an example of this chemical substance is a combination such as a mixture of water, ammonium nitrate, and urea. Further, (9) is a detonator for destroying the partition wall of the hollow part, and (+1) is a signal from outside the electronics module (1) for operating the detonator (9).

Next, the operating principle will be explained.

Generally, in guided flying vehicles, the electronic components (6) start operating after or just before the guided flying vehicle is launched, and there is no need to cool the electronic components (6) until then (1°). Also in the guided flying object according to the invention, cooling is not performed until the signal ill requesting cooling is issued. Cooling is then required due to operation of the electronic component (6), etc., and the signal tI+1 is sent to each electronics module (1). When released, the detonator (9) detonates and destroys the wall separating the hollow parts (7a) and '(7b).

By destroying this wall, chemical substance (8a) and (
8b) mix, resulting in an endothermic chemical reaction. As a result, the electronic component (6) is cooled through the casing of the electronics module (1) until the chemical reaction is completed.

Figure 4 shows the electronics module (
1) is installed. 1 of the guided flying object according to this invention
This is an example, and (1) and uo are the same as in Fig. 3.

(11) is a transmitter of signal ul). In Fig. 4.

Although the transmitter aυ for signal 00 is installed inside the guided flying vehicle, it may also be installed outside the guided flying vehicle.

Needless to say.

[Effects of the Invention] As explained above, the present invention provides a circulation device that is heavy and takes up space by configuring a cooling system to cool electronic components in an electronics module using the endothermic action of chemical substances. Since a heat exchanger and piping parts are not required, and furthermore, heat is not released from the electronics module to the outside, it is possible to obtain a small, lightweight, and highly reliable guided flying object.

[Brief explanation of the drawing]

FIG. 1 is a schematic diagram of a cooling system in a conventional guided flying vehicle, and FIG. 2 is a schematic diagram of an electronics module used in a guided flying vehicle according to the present invention. FIG. 3 is a cross-sectional view of the electronics module. FIG. 4 is a diagram showing an embodiment of a guided flying object according to the present invention. In the figure, fl) is an electronics module. (2) is a cooling plate, (3) is a tank, (4) is a pump, (
5) is a heat exchanger, (6) is an electronic component that requires cooling,
(7) is a hollow part provided in the electronics module housing, (8) is a chemical substance that causes an endothermic reaction when mixed, (
9) is a detonator, Ql is a signal for operating the detonator, and 0υ is a signal generator. Note that the same or corresponding parts in FIG. 9 are designated by the same reference numerals. Agent Masuo Oiwa 2 countries

Claims (1)

[Claims] In a guided flying vehicle equipped with multiple electronics modules containing electronic components that require cooling, two chemicals that cause an endothermic chemical reaction when mixed, and
Two adjacent hollow parts for storing the chemical substances provided in the electronic component numbering part of the electronics module casing, and the electronics module for destroying a wall separating the two hollow parts. A guided flying object characterized by being equipped with a detonator that can be activated by an external signal.