Open-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 an open-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 and a three-in-two-out branching unit. The open-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 an open-loop interlock ejection channel clearing 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 an open-loop interlock ejection channel clearing 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 an open-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 the ejection start detonation signal outputted by the detonation generators in the left ejection seat and the right ejection seat is transmitted to the respective program controllers after passing through a delay device;

[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 and detonation initiators, wherein the electric squibs on the left channel actuation device can receive an ejection start electronic signal output by a program controller of the left ejection seat, and the electric squibs on the right channel actuation device can receive an ejection start electronic signal output by a program controller of the right ejection seat;

[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, the electric squib on the left canopy can receive an ejection start electronic signal output by a program controller of the left ejection seat, the electric squib on the right canopy can receive an ejection start electronic signal output by a program controller of the right ejection seat, and the electric squib on the rear canopy can receive an ejection start electronic signal output by a program controller of 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 for ejection start electronic signal, 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 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 actuating device and the right channel actuating device.

[0012] In at least one embodiment of the present application, after receiving the ejection start detonation signal, the delay device sends it to the corresponding program controller after a fixed delay time Ts.

[0013] 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.

[0014] In at least one embodiment of the present application, the channel actuation device has built-in pyrotechnics.

[0015] 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:

[0016] When the rear ejection seat is powered on, a power-on signal is output to the single-state and double-state selector;

[0017] 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;

[0018] 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.

[0019] 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.

[0020] 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.

[0021] 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.

[0022] In at least one embodiment of the present application, the ejection start electronic signal is transmitted via wires.

[0023] In at least one embodiment of the present application, the ejection-initiated detonation signal is transmitted via a detonating cord.

[0024] A second aspect of the present application provides an open-loop interlock ejection channel cleaning control method, based on the open-loop interlock ejection channel cleaning control system as described above, comprising:

[0025] Single-state selector in dual-state mode:

[0026] 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 returns to the left ejection seat after being delayed by the delay device, triggers the ejection tube, and the left ejection seat is ejected out of the cabin, and the other ejection start detonation signal is output to the three-input and two-output splitter;

[0027] 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;

[0028] 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;

[0029] 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;

[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 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 returns to the right ejection seat after being delayed by the delay device, the ejection tube is fired, and the right ejection seat is ejected out of the cabin, and the other ejection start detonation signal is output to the three-input and two-output splitter;

[0032] After the right canopy receives the ejection start electronic signal, it triggers the detonator tube, which ignites and the right canopy is cut and jettisoned;

[0033] After receiving the ejection start electronic signal, the right channel actuator triggers the electric squib, which ignites, and the right channel actuator is actuated to clear the right ejection channel;

[0034] 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;

[0035] 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;

[0036] When the right ejection seat starts the ejection procedure first, refer to the workflow when the left ejection seat starts the ejection procedure first;

[0037] 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;

[0038] 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;

[0039] 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.

[0040] In at least one embodiment of the present application, the single binary selector is in single state mode:

[0041] 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.

[0042] 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.

[0043] The invention has at least the following beneficial technical effects:

[0044] The open-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

[0045] Figure 1 It is a schematic diagram of an open-loop interlock ejection channel clearing control system according to an embodiment of the present application. DETAILED DESCRIPTION

[0046] 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.

[0047] 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.

[0048] The following is combined with Figure 1 This application is described in further detail.

[0049] A first aspect of the present application provides an open-loop interlock ejection channel clearing control system, comprising: an ejection seat, a channel actuation device, a canopy, a single-state and double-state selector, and a three-input and two-output splitter.

[0050] Specifically, Figure 1As shown, there are three ejection seats in a three-seat aircraft, including 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, the program controller is used to output an ejection start electronic signal, the detonation generator is used to output an ejection start detonation signal, and the ejection start detonation signal output by the detonation generators in the left ejection seat and the right ejection seat is transmitted to the respective program controllers after passing through a delay device. The program controller can also collect the status information of the single and double state selectors.

[0051] 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 and detonation initiators. The electric squib on the left channel actuator can receive the ejection start electronic signal output by the program controller of the left ejection seat, and the electric squib on the right channel actuator can receive the ejection start electronic signal output by the program controller of the right ejection seat. 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.

[0052] The cockpit cover includes a left cockpit cover, a right cockpit cover and a rear cockpit cover. The left cockpit cover, the right cockpit cover and the rear cockpit cover are all equipped with squibs. The squib on the left cockpit cover can receive the ejection start electronic signal output by the program controller of the left ejection seat, the squib on the right cockpit cover can receive the ejection start electronic signal output by the program controller of the right ejection seat, and the squib on the rear cockpit cover can receive the ejection start electronic signal output by the program controller of the rear ejection seat.

[0053] 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.

[0054] 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.

[0055] In the preferred embodiment of the present application, after receiving the ejection start detonation signal, the delay device outputs the ejection start detonation 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.

[0056] 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:

[0057] When the rear ejection seat is powered on, a power-on signal is output to the single-state and double-state selectors;

[0058] 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;

[0059] 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.

[0060] Preferably, the single-dual state selector is mounted inside the aircraft cockpit, under the floor of the rear ejection seat.

[0061] 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.

[0062] In a preferred embodiment of the present application, the ejection start electronic signal is transmitted via an electric wire, and the ejection start detonation signal is transmitted via a detonating cord.

[0063] The open-loop interlocked 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.

[0064] Based on the above-mentioned open-loop interlock ejection channel cleaning control system, the second aspect of the present application provides an open-loop interlock ejection channel cleaning control method, including:

[0065] Single-state selector in dual-state mode:

[0066] 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 returns to the left ejection seat after being delayed by the delay device, triggers the ejection tube, and the left ejection seat is ejected out of the cabin, and the other ejection start detonation signal is output to the three-input and two-output splitter;

[0067] 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;

[0068] 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;

[0069] 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;

[0070] 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;

[0071] 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 returns to the right ejection seat after being delayed by the delay device, the ejection tube is fired, and the right ejection seat is ejected out of the cabin, and the other ejection start detonation signal is output to the three-input and two-output splitter;

[0072] After the right canopy receives the ejection start electronic signal, it triggers the detonator tube, which ignites and the right canopy is cut and jettisoned;

[0073] After receiving the ejection start electronic signal, the right channel actuator triggers the electric squib, which ignites, and the right channel actuator is actuated to clear the right ejection channel;

[0074] 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;

[0075] 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;

[0076] When the right ejection seat starts the ejection procedure first, refer to the workflow when the left ejection seat starts the ejection procedure first;

[0077] 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;

[0078] 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;

[0079] 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.

[0080] 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:

[0081] 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.

[0082] In the open-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.

[0083] The open-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 and single-seat aircraft.

[0084] 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. An open-loop interlock ejection channel clearing 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 the ejection start detonation signal outputted by the detonation generators in the left ejection seat and the right ejection seat is transmitted to the respective program controllers after passing through a delay device; 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 and detonation initiators, wherein the electric squibs on the left channel actuation device can receive an ejection start electronic signal output by a program controller of the left ejection seat, and the electric squibs on the right channel actuation device can receive an ejection start electronic signal output by a program controller of the right ejection seat; 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, the electric squib on the left canopy can receive an ejection start electronic signal output by a program controller of the left ejection seat, the electric squib on the right canopy can receive an ejection start electronic signal output by a program controller of the right ejection seat, and the electric squib on the rear canopy can receive an ejection start electronic signal output by a program controller of 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 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 actuating device and the right channel actuating device.

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

3. The open-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 open-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 open-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 open-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 open-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 open-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 open-loop interlock ejection channel clearing control system according to claim 8, characterized in that: The ejection initiation electronic signal is transmitted via electrical wires.

10. The open-loop interlock ejection channel clearing control system according to claim 9, characterized in that: The ejection-initiated detonation signal is transmitted via a detonating cord.

11. An open-loop interlock ejection channel cleaning control method, based on the open-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 returns to the left ejection seat, triggering the ejection tube, and the left ejection seat is ejected out of the cabin. 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; 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; 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; 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 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 timer and then returns to the right ejection seat, triggering the ejection tube, and the right ejection seat is ejected out of the cabin. The other ejection start detonation signal is output to the three-input and two-output splitter. After the right canopy receives the ejection start electronic signal, it triggers the detonator tube, which ignites and the right canopy is cut and jettisoned; After receiving the ejection start electronic signal, the right channel actuator triggers the electric squib, which ignites, and the right channel actuator is actuated to clear the right ejection channel; 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 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; 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 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; 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 open-loop interlock ejection channel clearing 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 open-loop interlock ejection channel clearing 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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