Closed-loop interlocking ejection channel cleaning control system and method

Abstract

The invention belongs to the field of aircraft ejection lifesaving systems, and particularly relates to a closed-loop interlocking ejection channel cleaning control system and method. The system comprises an ejection seat, a channel actuating device, a canopy, a single-state and double-state selector, a three-in-two-out branching unit and a detonation and gate control box. The closed-loop interlocking catapulting channel cleaning control system can be used for an aircraft catapulting lifesaving system, has electronic signal and detonation signal dual-redundancy control, and can ensure that no obstacle exists in the catapulting channel before catapulting.

Description

Technical Field

[0001] The present application belongs to the field of aircraft ejection life-saving systems, and in particular relates to a closed-loop interlock ejection channel cleaning control system and method. Background Art

[0002] When the aircraft is in an emergency state and the pilot is ejected from the cabin in the ejection seat, the ejection lifesaving system needs to ensure that there are no obstacles in the ejection channel to prevent the pilot from being injured or killed by hitting obstacles during ejection. Due to limited cockpit space, some aircraft have some equipment occupying the ejection channel. Therefore, after the ejection seat is activated and before the ejection seat ejection tube is activated, the equipment occupying the ejection channel should be cleared out of the ejection channel.

[0003] Therefore, it is desired to have a technical solution to overcome or at least alleviate at least one of the above-mentioned defects of the prior art. Summary of the invention

[0004] The purpose of the present application is to provide a closed-loop interlock ejection channel cleaning control system and method to solve at least one problem existing in the prior art.

[0005] The technical solution of this application is:

[0006] The first aspect of the present application provides a closed-loop interlock ejection channel clearing control system, comprising:

[0007] An ejection seat, comprising a left ejection seat, a right ejection seat and a rear ejection seat, wherein the left ejection seat and the right ejection seat are both provided with a program controller and a detonation generator, wherein the rear ejection seat is provided with a program controller, wherein the program controller is used to output an ejection start electronic signal, and the detonation generator is used to output an ejection start detonation signal, and after the ejection start detonation signal outputted by the detonation generators in the left ejection seat and the right ejection seat passes through a delay device, a detonation delay signal is outputted;

[0008] A channel actuation device, comprising a left channel actuation device and a right channel actuation device, wherein the left channel actuation device and the right channel actuation device are both equipped with electric squibs, detonation initiators and detonation generators, wherein the electric squibs on the left channel actuation device can receive the ejection start electronic signal output by the left ejection seat, and output the channel clearing completion electronic signal to the left ejection seat, and the detonation generator of the left channel actuation device is also used to output the channel clearing completion detonation signal; the electric squibs on the right channel actuation device can receive the ejection start electronic signal output by the right ejection seat, and output the channel clearing completion electronic signal to the right ejection seat, and the detonation generator of the right channel actuation device is also used to output the channel clearing completion detonation signal;

[0009] A canopy, comprising a left canopy, a right canopy and a rear canopy, wherein the left canopy, the right canopy and the rear canopy are all equipped with electric squibs and detonation generators, the electric squib on the left canopy can receive an ejection start electronic signal output by the left ejection seat, and output a cutting and jettisoning electronic signal to the left ejection seat, and the detonation generator of the left canopy is also used to output a cutting and jettisoning detonation signal; the electric squib on the right canopy can receive an ejection start electronic signal output by the right ejection seat, and output a cutting and jettisoning electronic signal to the right ejection seat, and the detonation generator of the right canopy is also used to output a cutting and jettisoning detonation signal; the electric squib on the rear canopy can receive an ejection start electronic signal output by the rear ejection seat, and output a cutting and jettisoning electronic signal to the rear ejection seat, and the detonation generator of the rear canopy is also used to output a cutting and jettisoning detonation signal to the rear ejection seat;

[0010] A single-state and double-state selector, wherein a detonation generator is arranged on the single-state and double-state selector, wherein the single-state and double-state selector can interact with the program controller of each ejection seat to perform ejection start electronic signal interaction, and the detonation generator is used to output an ejection start detonation signal;

[0011] A three-input and two-output splitter, the three-input and two-output splitter having three input ends and two output ends, wherein the three input ends can respectively receive ejection start detonation signals output by the left ejection seat, the right ejection seat, and the detonation generator of the single-state and double-state selector, and the two output ends can respectively send ejection start detonation signals to the detonation initiators of the left channel actuating device and the right channel actuating device;

[0012] The detonation and door control box comprises two No. 1 detonation and door control boxes and two No. 2 detonation and door control boxes, wherein the first No. 1 detonation and door control box receives as input the cutting and jettisoning detonation signal output by the left canopy and the channel clearing completion detonation signal output by the left channel actuator, and outputs a channel feedback signal; the second No. 1 detonation and door control box receives as input the cutting and jettisoning detonation signal output by the right canopy and the channel clearing completion detonation signal output by the right channel actuator, and outputs a channel feedback signal; the first No. 2 detonation and door control box receives as input the channel feedback signal output by the first No. 1 detonation and door control box and the detonation delay signal output by the delay device of the left ejection seat, and outputs a detonation ejection feedback signal to the left ejection seat; the second No. 2 detonation and door control box receives as input the channel feedback signal output by the second No. 1 detonation and door control box and the detonation delay signal output by the delay device of the right ejection seat, and outputs a detonation ejection feedback signal to the right ejection seat.

[0013] In at least one embodiment of the present application, after receiving the ejection start detonation signal, the delay device outputs a detonation delay signal after a fixed delay time Ts.

[0014] In at least one embodiment of the present application, the delay device is installed on the lower beam of the ejection tube of the corresponding ejection seat.

[0015] In at least one embodiment of the present application, the channel actuation device has built-in pyrotechnics.

[0016] In at least one embodiment of the present application, the single-state and dual-state selector has a single-state mode and a dual-state mode, wherein:

[0017] When the rear ejection seat is powered on, a power-on signal is output to the single-state and double-state selector;

[0018] If the single-dual-state selector collects a power-on signal from the rear ejection seat, the single-dual-state selector is automatically placed in a dual-state mode;

[0019] If the single-state and double-state selector does not collect the power-on signal of the rear ejection seat, the single-state and double-state selector is automatically placed in the single-state mode.

[0020] In at least one embodiment of the present application, the single-state and dual-state selector is installed inside the aircraft cabin, under the floor of the rear ejection seat.

[0021] In at least one embodiment of the present application, when any one of the input ends of the three-input and two-output splitter receives an ejection-start detonation signal, both output ends of the three-input and two-output splitter output an ejection-start detonation signal.

[0022] In at least one embodiment of the present application, the three-input and two-output splitter is installed on the top of the aircraft cabin, located between the left canopy and the right canopy.

[0023] In at least one embodiment of the present application, the ejection start electronic signal, the channel cleaning completion electronic signal, and the cutting and ejection electronic signal are transmitted via wires.

[0024] In at least one embodiment of the present application, the ejection start detonation signal, the channel clearing completion detonation signal, and the cutting and releasing detonation signal are transmitted via a detonating cord.

[0025] A second aspect of the present application provides a closed-loop interlock ejection channel cleaning control method, based on the closed-loop interlock ejection channel cleaning control system as described above, comprising:

[0026] Single-state selector in dual-state mode:

[0027] When the left ejection seat starts the ejection program first, the program controller outputs three ejection start electronic signals, and the detonation generator outputs two ejection start detonation signals; the three ejection start electronic signals are output to the left cockpit cover, the left channel actuator, and the single-state and double-state selectors respectively; one ejection start detonation signal is delayed by the delay device and then outputs the detonation delay signal to the first and second detonation and door control boxes, and the other ejection start detonation signal is output to the three-input and two-output splitter;

[0028] After the left canopy receives the ejection start electronic signal, it triggers the detonator tube, which ignites, and the left canopy is cut and jettisoned. At the same time, it outputs a cutting and jettisoning electronic signal to the left ejection seat and a cutting and jettisoning detonation signal to the No. 1 detonation and door control box.

[0029] After receiving the ejection start electronic signal, the left channel actuator triggers the electric squib, which ignites, and the left channel actuator actuates to clear the left ejection channel, and at the same time outputs the channel clearing completion electronic signal to the left ejection seat and outputs the channel clearing completion detonation signal to the first No. 1 detonation and door control box; after receiving the ejection start electronic signal, the single-state and double-state selector transmits the ejection start electronic signal to the right ejection seat and the rear ejection seat respectively, and the detonation generator outputs the ejection start detonation signal to the three-input and two-output splitter;

[0030] After receiving the ejection start detonation signal, the three-input and two-output splitter transmits the ejection start detonation signal to the left channel actuating device and the right channel actuating device respectively; if the electric squib of the left channel actuating device is not fired, the detonation initiating device is fired, the left channel actuating device is actuated, and the left ejection channel is cleared; if the electric squib of the right channel actuating device is not fired, the detonation initiating device is fired, the right channel actuating device is actuated, and the right ejection channel is cleared;

[0031] After receiving the cutting and jettisoning detonation signal and the channel clearing completion detonation signal, the first No. 1 detonation and door control box outputs a channel feedback signal to the first No. 2 detonation and door control box. After receiving the detonation delay signal and the channel feedback signal, the first No. 2 detonation and door control box outputs a detonation ejection feedback signal to the left ejection seat, fires the ejection tube, and the left ejection seat is ejected out of the cabin.

[0032] After the left ejection seat receives the electronic signal of cutting and jettisoning and the electronic signal of channel clearing completion, the ejection tube is fired and the left ejection seat is ejected out of the cabin; after the right ejection seat receives the electronic signal of ejection start transmitted by the single-state and double-state selector, the right ejection seat starts the ejection program, the program controller outputs three-way ejection start electronic signals, and the detonation generator outputs two-way ejection start detonation signals; the three-way ejection start electronic signals are output to the right cockpit cover, the right channel actuator and the single-state and double-state selector respectively; one ejection start detonation signal is delayed by the delay device and then outputs the detonation delay signal to the second No. 2 detonation and door control box, and the other ejection start detonation signal is output to the three-input and two-output splitter;

[0033] After receiving the ejection start electronic signal, the right canopy triggers the detonator, which ignites, and the right canopy is cut and jettisoned. At the same time, the cut and jettison electronic signal is output to the right ejection seat, and the cut and jettison detonation signal is output to the second No. 1 detonation and door control box;

[0034] After receiving the ejection start electronic signal, the right channel actuator triggers the electric squib, which ignites, and the right channel actuator actuates to clear the right ejection channel. At the same time, the channel clearing completion electronic signal is output to the right ejection seat, and the channel clearing completion detonation signal is output to the second No. 1 detonation and door control box.

[0035] After receiving the cutting and jettisoning detonation signal and the channel clearing completion detonation signal, the second No. 1 detonation and door control box outputs a channel feedback signal to the second No. 2 detonation and door control box. After receiving the detonation delay signal and the channel feedback signal, the second No. 2 detonation and door control box outputs a detonation ejection feedback signal to the right ejection seat, fires the ejection tube, and the right ejection seat is ejected out of the cabin.

[0036] After the right ejection seat receives the electronic signal of cutting and jettisoning and the electronic signal of channel clearing completion, the ejection tube is fired and the right ejection seat is ejected out of the cabin;

[0037] After the rear ejection seat receives the ejection start electronic signal transmitted by the single-state and double-state selector, the rear ejection seat starts the ejection program, and the program controller outputs two ejection start electronic signals, which are respectively output to the rear cockpit canopy and the single-state and double-state selector;

[0038] After receiving the electronic signal for ejection start, the rear canopy triggers the detonator tube, which ignites, and the right canopy is cut and jettisoned. At the same time, the electronic signal for cutting and jettisoning and the detonation signal for cutting and jettisoning are output to the rear ejection seat, and the ejection tube is triggered, and the rear ejection seat is ejected out of the cabin;

[0039] When the right ejection seat starts the ejection procedure first, refer to the workflow when the left ejection seat starts the ejection procedure first;

[0040] When the rear ejection seat starts the ejection program first, the program controller outputs two ejection start electronic signals, and the two ejection start electronic signals are output to the rear cockpit canopy and the single-state and double-state selectors respectively;

[0041] After receiving the electronic signal for ejection start, the rear canopy triggers the detonator tube, which ignites, and the right canopy is cut and jettisoned. At the same time, the electronic signal for cutting and jettisoning and the detonation signal for cutting and jettisoning are output to the rear ejection seat, and the ejection tube is triggered, and the rear ejection seat is ejected out of the cabin;

[0042] After the single-state and double-state selector receives the ejection start electronic signal, it transmits the ejection start electronic signal to the left ejection seat and the right ejection seat respectively, and the detonation generator outputs the ejection start detonation signal to the three-input and two-output splitter.

[0043] In at least one embodiment of the present application, the single binary selector is in single state mode:

[0044] When the left ejection seat and the left ejection seat start the ejection procedure first, the single-state and double-state selector has no output to the rear ejection seat, and the rear ejection seat does not eject.

[0045] In at least one embodiment of the present application, the ejection order of the ejection seats is that the rear ejection seat is ejected first.

[0046] The invention has at least the following beneficial technical effects:

[0047] The closed-loop interlock ejection channel clearing control system of the present application can be used in an aircraft ejection life-saving system, has dual redundancy control of electronic signals and detonation signals, and can ensure that there are no obstacles in the ejection channel before ejection. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 It is a schematic diagram of a closed-loop interlock ejection channel clearing control system according to one embodiment of the present application. DETAILED DESCRIPTION

[0049] In order to make the purpose, technical scheme and advantages of the implementation of this application clearer, the technical scheme in the embodiment of this application will be described in more detail below in conjunction with the drawings in the embodiment of this application. In the drawings, the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The described embodiments are part of the embodiments of this application, not all of them. The embodiments described below with reference to the drawings are exemplary and are intended to be used to explain this application, and should not be construed as limitations on this application. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application. The embodiments of this application are described in detail below in conjunction with the drawings.

[0050] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the scope of protection of the present application.

[0051] The following is combined with Figure 1 This application is described in further detail.

[0052] The first aspect of the present application provides a closed-loop interlock ejection channel clearing control system, including: an ejection seat, a channel actuator, a canopy, a single-state and double-state selector, a three-input and two-output splitter, and a detonation and door control box.

[0053] Specifically, Figure 1 As shown, there are three ejection seats in a three-seat aircraft, and the ejection seats include a left ejection seat, a right ejection seat, and a rear ejection seat. The left ejection seat and the right ejection seat are both provided with a program controller and a detonation generator. The rear ejection seat is provided with a program controller, and the program controller is used to output an ejection start electronic signal, and the detonation generator is used to output an ejection start detonation signal. The ejection start detonation signal output by the detonation generator in the left ejection seat and the right ejection seat outputs a detonation delay signal after passing through a delay device. The program controller can also collect the status information of the single-state and double-state selectors, the cutting and jettisoning electronic signal output by the cockpit cover, and the channel clearing completion electronic signal output by the channel actuation device. After receiving the cutting and jettisoning electronic signal, the channel clearing completion electronic signal, or the detonation ejection feedback signal, the ejection seat program controller outputs a seat ignition signal, fires the ejection tube, and the ejection seat is ejected.

[0054] There are two channel actuators in the aircraft. The channel actuators are equipped with pyrotechnics for clearing the ejection channel. The channel actuators include a left channel actuator and a right channel actuator. Both the left channel actuator and the right channel actuator are equipped with electric squibs, detonation initiators and detonation generators. The electric squibs on the left channel actuator can receive the ejection start electronic signal output by the program controller of the left ejection seat, and output the channel clearing completion electronic signal to the left ejection seat. The detonation generator of the left channel actuator is also used to output the channel clearing completion detonation signal; the electric squibs on the right channel actuator can receive the ejection start electronic signal output by the program controller of the right ejection seat, and output the channel clearing completion electronic signal to the right ejection seat. The detonation generator of the right channel actuator is also used to output the channel clearing completion detonation signal. After receiving the ejection start electronic signal and the ejection start detonation signal, the channel actuator moves the obstacles in the ejection channel out of the ejection channel. After the work is completed, it will output the channel clearing completion detonation signal and the channel clearing completion electronic signal.

[0055] The canopy includes a left canopy, a right canopy and a rear canopy, and the left canopy, the right canopy and the rear canopy are all equipped with electric squibs and detonation generators. The electric squib on the left canopy can receive the ejection start electronic signal output by the program controller of the left ejection seat, and output the cutting and releasing electronic signal to the left ejection seat, and the detonation generator of the left canopy is also used to output the cutting and releasing detonation signal; the electric squib on the right canopy can receive the ejection start electronic signal output by the program controller of the right ejection seat, and output the cutting and releasing electronic signal to the right ejection seat, and the detonation generator of the right canopy is also used to output the cutting and releasing detonation signal; the electric squib on the rear canopy can receive the ejection start electronic signal output by the program controller of the rear ejection seat, and output the cutting and releasing electronic signal to the rear ejection seat, and the detonation generator of the rear canopy is also used to output the cutting and releasing detonation signal to the rear ejection seat.

[0056] Single and double state selector The single and double state selector is provided with a detonation generator. The single and double state selector can interact with the program controller of each ejection seat for ejection start electronic signal. The detonation generator is used to output the ejection start detonation signal.

[0057] The three-input and two-output splitter has three input ends and two output ends, wherein the three input ends can respectively receive the ejection start detonation signals output by the left ejection seat, the right ejection seat, and the detonation generator of the single-state and double-state selector, and the two output ends can respectively send the ejection start detonation signals to the detonation initiators of the left channel actuator and the right channel actuator.

[0058] The detonation and door control box includes two No. 1 detonation and door control boxes and two No. 2 detonation and door control boxes, wherein the input of the first No. 1 detonation and door control box is the cutting and jettisoning detonation signal output by the left cockpit cover and the channel clearing completion detonation signal output by the left channel actuator, and the output is a channel feedback signal; the input of the second No. 1 detonation and door control box is the cutting and jettisoning detonation signal output by the right cockpit cover and the channel clearing completion detonation signal output by the right channel actuator, and the output is a channel feedback signal; the input of the first No. 2 detonation and door control box is the channel feedback signal output by the first No. 1 detonation and door control box and the detonation delay signal output by the delay device of the left ejection seat, and the detonation ejection feedback signal is output to the left ejection seat; the input of the second No. 2 detonation and door control box is the channel feedback signal output by the second No. 1 detonation and door control box and the detonation delay signal output by the delay device of the right ejection seat, and the detonation ejection feedback signal is output to the right ejection seat.

[0059] In the preferred embodiment of the present application, after receiving the ejection start detonation signal, the delay device outputs a detonation delay signal after a fixed delay time Ts. The delay device is installed on the lower beam of the ejection tube of the corresponding ejection seat. The function of the delay device is to ensure that the ejection channel has been cleared when the ejection seat is ejected.

[0060] In a preferred embodiment of the present application, the single-state and dual-state selector has a single-state mode and a dual-state mode, wherein:

[0061] When the rear ejection seat is powered on, a power-on signal is output to the single-state and double-state selectors;

[0062] If the single-dual state selector collects the power-on signal of the rear ejection seat, the single-dual state selector is automatically placed in the dual state mode;

[0063] If the single-state and double-state selector does not collect the power-on signal of the rear ejection seat, the single-state and double-state selector is automatically placed in the single-state mode.

[0064] Preferably, the single-dual state selector is mounted inside the aircraft cockpit, under the floor of the rear ejection seat.

[0065] In a preferred embodiment of the present application, the three-input-two-output splitter is a detonation transmission dedicated component, having three input ends and two output ends, and when any one of the three input ends receives an ejection start detonation signal, both output ends can output an ejection start detonation signal. Preferably, the three-input-two-output splitter is installed on the top of the aircraft cockpit, located between the left cockpit cover and the right cockpit cover.

[0066] In a preferred embodiment of the present application, the ejection start electronic signal, the channel clearing completion electronic signal, and the cutting and releasing electronic signal are transmitted through wires, and the ejection start detonation signal, the channel clearing completion detonation signal, and the cutting and releasing detonation signal are transmitted through detonating cords.

[0067] The closed-loop interlock ejection channel clearing control system of the present application has five groups of electric squibs. After receiving the ejection start electronic signal, the electric squibs are fired, which can provide ignition power for the canopy and the channel actuator, and realize the canopy cutting and jettisoning and clearing of the ejection channel. There are two groups of detonation initiators. When the ejection start detonation signal is received, the detonation initiators are ignited and fired, and the built-in pyrotechnics of the channel actuator are fired by the detonation initiators to clear the ejection channel. The electric squibs and detonation initiators installed at the channel actuator realize dual redundant ignition control of the channel actuator.

[0068] Based on the above-mentioned closed-loop interlock ejection channel cleaning control system, the second aspect of the present application provides a closed-loop interlock ejection channel cleaning control method, including:

[0069] Single-state selector in dual-state mode:

[0070] When the left ejection seat starts the ejection program first, the program controller outputs three ejection start electronic signals, and the detonation generator outputs two ejection start detonation signals; the three ejection start electronic signals are output to the left cockpit cover, the left channel actuator, and the single-state and double-state selectors respectively; one ejection start detonation signal is delayed by the delay device and then outputs the detonation delay signal to the first and second detonation and door control boxes, and the other ejection start detonation signal is output to the three-input and two-output splitter;

[0071] After the left canopy receives the ejection start electronic signal, it triggers the detonator tube, which ignites, and the left canopy is cut and jettisoned. At the same time, it outputs a cutting and jettisoning electronic signal to the left ejection seat and a cutting and jettisoning detonation signal to the No. 1 detonation and door control box.

[0072] After receiving the ejection start electronic signal, the left channel actuator triggers the electric squib, which ignites, and the left channel actuator is actuated to clear the left ejection channel. At the same time, the channel clearing completion electronic signal is output to the left ejection seat, and the channel clearing completion detonation signal is output to the first No. 1 detonation and door control box.

[0073] After receiving the ejection start electronic signal, the single-state and double-state selectors transmit the ejection start electronic signal to the right ejection seat and the rear ejection seat respectively, and the detonation generator outputs the ejection start detonation signal to the three-input and two-output splitter;

[0074] After receiving the ejection start detonation signal, the three-input and two-output splitter transmits the ejection start detonation signal to the left channel actuator and the right channel actuator respectively; if the electric squib of the left channel actuator fails to fire, the detonation initiator fires, the left channel actuator actuates, and the left ejection channel is cleared; if the electric squib of the right channel actuator fails to fire, the detonation initiator fires, the right channel actuator actuates, and the right ejection channel is cleared; the electronic signal-detonation signal dual redundancy control is realized;

[0075] After receiving the cutting and jettisoning detonation signal and the channel clearing completion detonation signal, the first No. 1 detonation and door control box outputs a channel feedback signal to the first No. 2 detonation and door control box. After receiving the detonation delay signal and the channel feedback signal, the first No. 2 detonation and door control box outputs a detonation ejection feedback signal to the left ejection seat, fires the ejection tube, and the left ejection seat is ejected out of the cabin.

[0076] After the left ejection seat receives the electronic signal of cutting and jettisoning and the electronic signal of channel clearing completion, the ejection tube is fired and the left ejection seat is ejected out of the cabin;

[0077] After the right ejection seat receives the ejection start electronic signal transmitted by the single-state and double-state selector, the right ejection seat starts the ejection program, the program controller outputs three ejection start electronic signals, and the detonation generator outputs two ejection start detonation signals; the three ejection start electronic signals are output to the right cockpit cover, the right channel actuator and the single-state and double-state selector respectively; one ejection start detonation signal is delayed by the delay device and then outputs the detonation delay signal to the second No. 2 detonation and door control box, and the other ejection start detonation signal is output to the three-input and two-output splitter;

[0078] After receiving the ejection start electronic signal, the right canopy triggers the detonator, which ignites, and the right canopy is cut and jettisoned. At the same time, the cut and jettison electronic signal is output to the right ejection seat, and the cut and jettison detonation signal is output to the second No. 1 detonation and door control box;

[0079] After receiving the ejection start electronic signal, the right channel actuator triggers the electric squib, which ignites, and the right channel actuator actuates to clear the right ejection channel. At the same time, the channel clearing completion electronic signal is output to the right ejection seat, and the channel clearing completion detonation signal is output to the second No. 1 detonation and door control box.

[0080] After receiving the cutting and jettisoning detonation signal and the channel clearing completion detonation signal, the second No. 1 detonation and door control box outputs a channel feedback signal to the second No. 2 detonation and door control box. After receiving the detonation delay signal and the channel feedback signal, the second No. 2 detonation and door control box outputs a detonation ejection feedback signal to the right ejection seat, fires the ejection tube, and the right ejection seat is ejected out of the cabin.

[0081] After the right ejection seat receives the electronic signal of cutting and jettisoning and the electronic signal of channel clearing completion, the ejection tube is fired and the right ejection seat is ejected out of the cabin;

[0082] After the rear ejection seat receives the ejection start electronic signal transmitted by the single-state and double-state selector, the rear ejection seat starts the ejection program, and the program controller outputs two ejection start electronic signals, which are respectively output to the rear cockpit canopy and the single-state and double-state selector;

[0083] After receiving the electronic signal for ejection start, the rear canopy triggers the detonator tube, which ignites, and the right canopy is cut and jettisoned. At the same time, the electronic signal for cutting and jettisoning and the detonation signal for cutting and jettisoning are output to the rear ejection seat, and the ejection tube is triggered, and the rear ejection seat is ejected out of the cabin;

[0084] When the right ejection seat starts the ejection procedure first, refer to the workflow when the left ejection seat starts the ejection procedure first;

[0085] When the rear ejection seat starts the ejection program first, the program controller outputs two ejection start electronic signals, and the two ejection start electronic signals are output to the rear cockpit canopy and the single-state and double-state selectors respectively;

[0086] After the rear cockpit cover receives the electronic signal to start the ejection, it triggers the detonator tube, which ignites, the right cockpit cover is cut and jettisoned, the ejection tube is fired, and the rear ejection seat is ejected out of the cabin;

[0087] After the single-state and double-state selectors receive the ejection start electronic signal, they transmit the ejection start electronic signal to the left ejection seat and the right ejection seat respectively, and the detonation generator outputs the ejection start detonation signal to the three-input and two-output splitter. After the left ejection seat and the right ejection seat receive the ejection start electronic signal sent by the single-state and double-state selectors, the ejection procedure is started, and the subsequent work flow refers to the previous description.

[0088] If the rear ejection seat is not powered on, it means that no one is sitting in the rear ejection seat, and the single-dual state selector is automatically placed in the single-state mode. In the single-state mode:

[0089] When the left ejection seat and the left ejection seat start the ejection procedure first, the single-state selector has no output to the rear ejection seat, and the rear ejection seat does not eject. The rest of the workflow is the same as the dual-state mode and will not be repeated.

[0090] In the closed-loop interlock ejection channel cleaning control method of the present application, the ejection time of the three ejection seats can be controlled by the program controller, and the ejection time of the left ejection seat and the right ejection seat is also controlled by the delay device. The ejection time interval of the three ejection seats is controlled by the program controller inside the ejection seat, and the ejection order of the three ejection seats is that the rear ejection seat is ejected first.

[0091] The closed-loop interlock ejection channel clearing control system and method of the present application can be used for three-seat aircraft, and can also be modified for two-seat or single-seat aircraft.

[0092] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A closed-loop interlock ejection channel cleaning control system, characterized in that: include: An ejection seat, comprising a left ejection seat, a right ejection seat and a rear ejection seat, wherein the left ejection seat and the right ejection seat are both provided with a program controller and a detonation generator, wherein the rear ejection seat is provided with a program controller, wherein the program controller is used to output an ejection start electronic signal, and the detonation generator is used to output an ejection start detonation signal, and after the ejection start detonation signal outputted by the detonation generators in the left ejection seat and the right ejection seat passes through a delay device, a detonation delay signal is outputted; A channel actuation device, comprising a left channel actuation device and a right channel actuation device, wherein the left channel actuation device and the right channel actuation device are both equipped with electric squibs, detonation initiators and detonation generators, wherein the electric squibs on the left channel actuation device can receive the ejection start electronic signal output by the left ejection seat, and output the channel clearing completion electronic signal to the left ejection seat, and the detonation generator of the left channel actuation device is also used to output the channel clearing completion detonation signal; the electric squibs on the right channel actuation device can receive the ejection start electronic signal output by the right ejection seat, and output the channel clearing completion electronic signal to the right ejection seat, and the detonation generator of the right channel actuation device is also used to output the channel clearing completion detonation signal; A canopy, comprising a left canopy, a right canopy and a rear canopy, wherein the left canopy, the right canopy and the rear canopy are all equipped with electric squibs and detonation generators, the electric squib on the left canopy can receive an ejection start electronic signal output by the left ejection seat, and output a cutting and jettisoning electronic signal to the left ejection seat, and the detonation generator of the left canopy is also used to output a cutting and jettisoning detonation signal; the electric squib on the right canopy can receive an ejection start electronic signal output by the right ejection seat, and output a cutting and jettisoning electronic signal to the right ejection seat, and the detonation generator of the right canopy is also used to output a cutting and jettisoning detonation signal; the electric squib on the rear canopy can receive an ejection start electronic signal output by the rear ejection seat, and output a cutting and jettisoning electronic signal to the rear ejection seat, and the detonation generator of the rear canopy is also used to output a cutting and jettisoning detonation signal to the rear ejection seat; A single-state and double-state selector, wherein a detonation generator is arranged on the single-state and double-state selector, wherein the single-state and double-state selector can interact with the program controller of each ejection seat to perform ejection start electronic signal interaction, and the detonation generator is used to output an ejection start detonation signal; A three-input and two-output splitter, the three-input and two-output splitter having three input ends and two output ends, wherein the three input ends can respectively receive ejection start detonation signals output by the left ejection seat, the right ejection seat, and the detonation generator of the single-state and double-state selector, and the two output ends can respectively send ejection start detonation signals to the detonation initiators of the left channel actuating device and the right channel actuating device; The detonation and door control box comprises two No. 1 detonation and door control boxes and two No. 2 detonation and door control boxes, wherein the first No. 1 detonation and door control box receives as input the cutting and jettisoning detonation signal output by the left canopy and the channel clearing completion detonation signal output by the left channel actuator, and outputs a channel feedback signal; the second No. 1 detonation and door control box receives as input the cutting and jettisoning detonation signal output by the right canopy and the channel clearing completion detonation signal output by the right channel actuator, and outputs a channel feedback signal; the first No. 2 detonation and door control box receives as input the channel feedback signal output by the first No. 1 detonation and door control box and the detonation delay signal output by the delay device of the left ejection seat, and outputs a detonation ejection feedback signal to the left ejection seat; the second No. 2 detonation and door control box receives as input the channel feedback signal output by the second No. 1 detonation and door control box and the detonation delay signal output by the delay device of the right ejection seat, and outputs a detonation ejection feedback signal to the right ejection seat.

2. The closed-loop interlock ejection channel clearing control system according to claim 1, characterized in that: After receiving the ejection start detonation signal, the delay device outputs a detonation delay signal after a fixed delay time Ts.

3. The closed-loop interlock ejection channel clearing control system according to claim 2, characterized in that: The delay device is installed on the lower beam of the ejection tube of the corresponding ejection seat.

4. The closed-loop interlock ejection channel clearing control system according to claim 3, characterized in that: The channel actuating device is equipped with an initiating device.

5. The closed-loop interlock ejection channel clearing control system according to claim 4, characterized in that: The single-state and dual-state selector has a single-state mode and a dual-state mode, wherein: When the rear ejection seat is powered on, a power-on signal is output to the single-state and double-state selector; If the single-dual-state selector collects a power-on signal from the rear ejection seat, the single-dual-state selector is automatically placed in a dual-state mode; If the single-state and double-state selector does not collect the power-on signal of the rear ejection seat, the single-state and double-state selector is automatically placed in the single-state mode.

6. The closed-loop interlock ejection channel clearing control system according to claim 5, characterized in that: The single-state and double-state selector is installed inside the aircraft cockpit and is located under the floor of the rear ejection seat.

7. The closed-loop interlock ejection channel clearing control system according to claim 6, characterized in that: When any one of the input ends of the three-input and two-output splitter receives an ejection start detonation signal, both output ends of the three-input and two-output splitter output an ejection start detonation signal.

8. The closed-loop interlock ejection channel clearing control system according to claim 7, characterized in that: The three-input and two-output splitter is installed on the top of the aircraft cockpit and is located between the left cockpit cover and the right cockpit cover.

9. The closed-loop interlock ejection channel clearing control system according to claim 8, characterized in that: The ejection start electronic signal, the channel cleaning completion electronic signal, and the cutting and ejection electronic signal are transmitted through wires.

10. The closed-loop interlock ejection channel clearing control system according to claim 9, characterized in that: The ejection start detonation signal, the channel clearing completion detonation signal, and the cutting and throwing detonation signal are transmitted through the detonating cord.

11. A closed-loop interlock ejection channel cleaning control method, based on the closed-loop interlock ejection channel cleaning control system according to any one of claims 1 to 10, characterized in that: include: Single-state selector in dual-state mode: When the left ejection seat starts the ejection program first, the program controller outputs three ejection start electronic signals, and the detonation generator outputs two ejection start detonation signals; the three ejection start electronic signals are output to the left cockpit cover, the left channel actuator, and the single-state and double-state selector respectively; One ejection start detonation signal is delayed by the timer and then outputs the detonation delay signal to the first and second detonation and door control boxes, and the other ejection start detonation signal is output to the three-input and two-output splitter; After the left canopy receives the ejection start electronic signal, it triggers the detonator tube, which ignites, and the left canopy is cut and jettisoned. At the same time, it outputs a cutting and jettisoning electronic signal to the left ejection seat and a cutting and jettisoning detonation signal to the No. 1 detonation and door control box. After receiving the ejection start electronic signal, the left channel actuator triggers the electric squib, which ignites, and the left channel actuator actuates to clear the left ejection channel, and at the same time outputs the channel clearing completion electronic signal to the left ejection seat and outputs the channel clearing completion detonation signal to the first No. 1 detonation and door control box; after receiving the ejection start electronic signal, the single-state and double-state selector transmits the ejection start electronic signal to the right ejection seat and the rear ejection seat respectively, and the detonation generator outputs the ejection start detonation signal to the three-input and two-output splitter; After receiving the ejection start detonation signal, the three-input and two-output splitter transmits the ejection start detonation signal to the left channel actuating device and the right channel actuating device respectively; if the electric squib of the left channel actuating device is not fired, the detonation initiating device is fired, the left channel actuating device is actuated, and the left ejection channel is cleared; if the electric squib of the right channel actuating device is not fired, the detonation initiating device is fired, the right channel actuating device is actuated, and the right ejection channel is cleared; After receiving the cutting and jettisoning detonation signal and the channel clearing completion detonation signal, the first No. 1 detonation and door control box outputs a channel feedback signal to the first No. 2 detonation and door control box. After receiving the detonation delay signal and the channel feedback signal, the first No. 2 detonation and door control box outputs a detonation ejection feedback signal to the left ejection seat, fires the ejection tube, and the left ejection seat is ejected out of the cabin. After the left ejection seat receives the electronic signal of cutting and jettisoning and the electronic signal of channel clearing completion, the ejection tube is fired and the left ejection seat is ejected out of the cabin; After the right ejection seat receives the ejection start electronic signal transmitted by the single-state and double-state selector, the right ejection seat starts the ejection program, the program controller outputs three ejection start electronic signals, and the detonation generator outputs two ejection start detonation signals; the three ejection start electronic signals are output to the right cockpit cover, the right channel actuator and the single-state and double-state selector respectively; one ejection start detonation signal is delayed by the delay device and then outputs the detonation delay signal to the second No. 2 detonation and door control box, and the other ejection start detonation signal is output to the three-input and two-output splitter; After receiving the ejection start electronic signal, the right canopy triggers the detonator, which ignites, and the right canopy is cut and jettisoned. At the same time, the cut and jettison electronic signal is output to the right ejection seat, and the cut and jettison detonation signal is output to the second No. 1 detonation and door control box; After receiving the ejection start electronic signal, the right channel actuator triggers the electric squib, which ignites, and the right channel actuator actuates to clear the right ejection channel. At the same time, the channel clearing completion electronic signal is output to the right ejection seat, and the channel clearing completion detonation signal is output to the second No. 1 detonation and door control box. After receiving the cutting and jettisoning detonation signal and the channel clearing completion detonation signal, the second No. 1 detonation and door control box outputs a channel feedback signal to the second No. 2 detonation and door control box. After receiving the detonation delay signal and the channel feedback signal, the second No. 2 detonation and door control box outputs a detonation ejection feedback signal to the right ejection seat, fires the ejection tube, and the right ejection seat is ejected out of the cabin. After the right ejection seat receives the electronic signal of cutting and jettisoning and the electronic signal of channel clearing completion, the ejection tube is fired and the right ejection seat is ejected out of the cabin; After the rear ejection seat receives the ejection start electronic signal transmitted by the single-state and double-state selector, the rear ejection seat starts the ejection program, and the program controller outputs two ejection start electronic signals, which are respectively output to the rear cockpit canopy and the single-state and double-state selector; After receiving the electronic signal for ejection start, the rear canopy triggers the detonator tube, which ignites, and the right canopy is cut and jettisoned. At the same time, the electronic signal for cutting and jettisoning and the detonation signal for cutting and jettisoning are output to the rear ejection seat, and the ejection tube is triggered, and the rear ejection seat is ejected out of the cabin; When the right ejection seat starts the ejection procedure first, refer to the workflow when the left ejection seat starts the ejection procedure first; When the rear ejection seat starts the ejection program first, the program controller outputs two ejection start electronic signals, and the two ejection start electronic signals are output to the rear cockpit canopy and the single-state and double-state selector respectively; After receiving the electronic signal for ejection start, the rear canopy triggers the detonator tube, which ignites, and the right canopy is cut and jettisoned. At the same time, the electronic signal for cutting and jettisoning and the detonation signal for cutting and jettisoning are output to the rear ejection seat, and the ejection tube is triggered, and the rear ejection seat is ejected out of the cabin; After the single-state and double-state selector receives the ejection start electronic signal, it transmits the ejection start electronic signal to the left ejection seat and the right ejection seat respectively, and the detonation generator outputs the ejection start detonation signal to the three-input and two-output splitter.

12. The closed-loop interlock ejection channel cleaning control method according to claim 11, characterized in that: Single-state selector in single-state mode: When the left ejection seat and the left ejection seat start the ejection procedure first, the single-state and double-state selector has no output to the rear ejection seat, and the rear ejection seat does not eject.

13. The closed-loop interlock ejection channel cleaning control method according to claim 12, characterized in that: The ejection order of the ejection seats is that the rear ejection seat is ejected first.

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