CN112238947A - Electronic instruction ejection system controlled by ejection mode switching - Google Patents
Electronic instruction ejection system controlled by ejection mode switching Download PDFInfo
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- CN112238947A CN112238947A CN202011154517.8A CN202011154517A CN112238947A CN 112238947 A CN112238947 A CN 112238947A CN 202011154517 A CN202011154517 A CN 202011154517A CN 112238947 A CN112238947 A CN 112238947A
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- ejection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D25/00—Emergency apparatus or devices, not otherwise provided for
- B64D25/08—Ejecting or escaping means
- B64D25/10—Ejector seats
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- Aviation & Aerospace Engineering (AREA)
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Abstract
The invention discloses an electronic instruction ejection system controlled by ejection mode switching, which comprises an electronic instruction ejection controller, a plurality of ejection seats and an acquisition circuit, wherein each ejection seat is provided with a first mode switching switch and a second mode switching switch, the acquisition circuit is respectively connected with the first mode switching switch and the second mode switching switch, and the electronic instruction ejection controller is connected with the second mode switching switch through a control circuit. The invention realizes the self-adaptive switching control of different ejection modes, can more accurately judge the state scene of the seat, has higher reliability, does not need manual operation, and improves the intelligent level of an electronic instruction ejection system.
Description
Technical Field
The invention relates to an electronic instruction ejection system controlled by switching ejection modes.
Background
In three airplanes, the electronic command ejection system has to have three command ejection control modes, i.e. single ejection mode, double ejection mode and three ejection mode. Under different ejection modes, the time for each seat to leave the cabin is different. If the No. 3 seat is taken out of the cabin, the No. 1 and No. 2 seats need to complete the conversion from the three-bullet mode to the double-bullet mode, so that the emergency ejection and cabin-out time of a pilot is shortened, and the lifesaving performance is improved. At present, mode switching of a domestic electronic type instruction ejection system is mostly controlled by adopting switch switching, ground staff is required to lock a mode selection switch on the ground, and after an airplane is on the day, the No. 1 and No. 2 seats can only carry out instruction ejection according to a fixed double-ejection mode or a fixed three-ejection mode. The ejection mode switching method needs high labor cost, is clumsy in control method, can cause ejection mode switching errors, and reduces the lifesaving performance.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an electronic instruction ejection system for switching and controlling ejection modes, aiming at the defects in the prior art, so that the self-adaptive switching control of different ejection modes is realized, the state scene of a seat can be judged more accurately, the reliability is higher, manual operation is not needed, and the intelligence level of the electronic instruction ejection system is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the electronic type instruction ejection system comprises an electronic type instruction ejection controller, a plurality of ejection seats and a collection circuit, wherein each ejection seat is provided with a first mode switch and a second mode switch, the collection circuit is connected with the first mode switch and the second mode switch respectively, and the electronic type instruction ejection controller is connected with the second mode switch through a control circuit.
According to the technical scheme, the first mode selector switch is linked with the motion state of the seat, and the second mode selector switch is linked with the power-on state of the seat system.
According to the technical scheme, the first mode change-over switch comprises a floating socket and a floating plug.
According to the technical scheme, when the floating plug is in butt joint with the socket, other seats can acquire that the switch is in a closed state through the acquisition circuit; when the floating plug is separated from the socket, other seats can acquire that the switch is in an off state through the acquisition circuit.
According to the above technical solution, the second mode changeover switch includes a relay.
According to the technical scheme, the electronic instruction ejection controller is connected with the relay through the control circuit.
According to the technical scheme, when the electronic instruction ejection controller is electrified, the control circuit controls the relay switch to be closed, and when the electronic instruction ejection controller is not electrified, the control circuit controls the relay switch to be disconnected.
According to the technical scheme, the number of the ejection seats is 3.
The invention has the following beneficial effects:
the invention can realize the self-adaptive switching control of different ejection modes according to the motion and power-on states of the seat, adopts two different redundancy forms, avoids common-mode faults, can more accurately judge the state scene of the seat by acquiring two different switching signals, has higher reliability, does not need manual operation, and improves the intelligent level of an electronic instruction ejection system.
Drawings
Fig. 1 is a schematic structural diagram of an electronic command ejection system controlled by switching an ejection mode according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a first mode switch according to an embodiment of the present invention;
in the figure, 1 is a floating plug, 2 is a floating socket, 3 is an acquisition circuit, 4 is a control circuit and 5 is a relay.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 2, an electronic instruction ejection system for switching and controlling an ejection mode in an embodiment of the present invention includes an electronic instruction ejection controller, a plurality of ejection seats, and an acquisition circuit, where each ejection seat is provided with a first mode switch and a second mode switch, the acquisition circuit is connected to the first mode switch and the second mode switch, and the electronic instruction ejection controller is connected to the second mode switch through a control circuit.
Furthermore, the first mode selector switch is linked with the seat motion state, and the second mode selector switch is linked with the seat system power-on state.
Further, the first mode changeover switch includes a floating receptacle and a floating plug.
Further, when the floating plug is in butt joint with the socket, other seats can acquire that the switch is in a closed state through the acquisition circuit; when the floating plug is separated from the socket, other seats can acquire that the switch is in an off state through the acquisition circuit.
Further, the second mode selector switch comprises a relay, and the electronic instruction ejection controller is connected with the relay through a control circuit.
Furthermore, the electronic instruction ejection controller is connected with the relay through the control circuit.
Furthermore, when the electronic instruction ejection controller is electrified, the control circuit controls the relay switch to be closed, and when the electronic instruction ejection controller is not electrified, the control circuit controls the relay switch to be opened.
Furthermore, the mode change-over switch is positioned at different positions of the system, the first mode change-over switch is linked with the motion state of the seat, and the second mode change-over switch is linked with the power-on state of the seat system; the two different redundancy designs are used, common mode faults are avoided, meanwhile, the state scene of the seat can be judged more accurately through the acquisition of the two different switch signals, and the self-adaptive switching control of different ejection modes is realized.
Further, the number of ejection seats is 3, and is No. 1 seat, No. 2 seat and No. 3 seat respectively.
When the No. 3 seat is in place and the electronic instruction ejection controller is powered on, the two mode change-over switches are both in a closed state, and when the No. 2 seat and the No. 1 seat acquire a signal state of the switch, a three-ejection instruction ejection control mode is entered.
When the No. 3 seat is not in place, the floating plug/socket is disconnected, the signal acquisition lines of the two mode switching switches are in a disconnected state, and when the No. 2 seat and the No. 1 seat acquire the signal state of the switch, the double-ejection instruction ejection control mode is entered.
The design mode realizes linkage of the ejection mode of the seat and the motion state of the No. 3 seat and realizes self-adaptive switching control from a three-ejection mode to a two-ejection mode.
The above is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereby, and therefore, the present invention is not limited by the scope of the claims.
Claims (8)
1. The electronic type instruction ejection system is characterized by comprising an electronic type instruction ejection controller, a plurality of ejection seats and an acquisition circuit, wherein each ejection seat is provided with a first mode selector switch and a second mode selector switch, the acquisition circuit is respectively connected with the first mode selector switch and the second mode selector switch, and the electronic type instruction ejection controller is connected with the second mode selector switch through a control circuit.
2. The electronic command ejection system of claim 1, wherein the first mode switch is linked to a seat movement status and the second mode switch is linked to a seat system power-up status.
3. The electronic command ejection system of claim 1, wherein the first mode switch includes a floating receptacle and a floating plug.
4. The electronic command ejection system of claim 3, wherein when the floating plug is mated with the receptacle, the other seats can detect that the switch is closed through the detection circuit; when the floating plug is separated from the socket, other seats can acquire that the switch is in an off state through the acquisition circuit.
5. The electronic command ejection system of claim 1, wherein the second mode switch comprises a relay, and the electronic command ejection controller is connected to the relay via a control circuit.
6. The electronic command ejection system of claim 5, wherein the control circuit controls the relay switch to close when the electronic command ejection controller is powered and to open when the electronic command ejection controller is not powered.
7. The electronic command ejection system for switching control of ejection modes as claimed in claim 1, wherein the number of ejection seats is 3.
8. The electronic command ejection system of claim 7, wherein when the seat No. 3 is in place and the electronic command ejection controller is powered on, both mode switches are closed, and when the switch signal state is acquired by the seat No. 2 and the seat No. 1, the three-shot command ejection control mode is entered.
When the No. 3 seat is not in place, the floating plug/socket is disconnected, the signal acquisition lines of the two mode switching switches are in a disconnected state, and when the No. 2 seat and the No. 1 seat acquire the signal state of the switch, the double-ejection instruction ejection control mode is entered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011154517.8A CN112238947B (en) | 2020-10-26 | 2020-10-26 | Electronic instruction ejection system for ejection mode switching control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011154517.8A CN112238947B (en) | 2020-10-26 | 2020-10-26 | Electronic instruction ejection system for ejection mode switching control |
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| CN112238947A true CN112238947A (en) | 2021-01-19 |
| CN112238947B CN112238947B (en) | 2023-10-13 |
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| CN112238947B (en) | 2023-10-13 |
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