CN105045172A - Switch control circuit, control system possessing same and airplane - Google Patents

Switch control circuit, control system possessing same and airplane Download PDF

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Publication number
CN105045172A
CN105045172A CN201510368442.6A CN201510368442A CN105045172A CN 105045172 A CN105045172 A CN 105045172A CN 201510368442 A CN201510368442 A CN 201510368442A CN 105045172 A CN105045172 A CN 105045172A
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Prior art keywords
switch
control circuit
abnormal decision
input
making switch
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CN201510368442.6A
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Chinese (zh)
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CN105045172B (en
Inventor
丁洪林
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Xian Aircraft Design and Research Institute of AVIC
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Xian Aircraft Design and Research Institute of AVIC
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors

Abstract

The present invention discloses a switch control circuit, a control system possessing the same and an airplane. The switch control circuit comprises a plurality of calculating units, a plurality of switch sets and a plurality of abnormity decision switches, wherein each switch set is used for the simultaneous on-off of two of four input ends; each abnormity decision switch is used to connect one output end of one calculating unit, so that the output end can form two output signals after the output end and the abnormity decision switch are connected. According to the control of the switch sets, the calculating units can receive multiple sets of input signals from the input ends of the calculating units, the multiple sets of input signals comprise multiple sets of conflict signals and multiple sets of identifiable signals separately, and each abnormity decision switch is used to transform the multiple sets of conflict signals in the abnormity decision switch into the identifiable signals which can be identified by the control of the abnormity decision switch. According to the present invention, the abnormity decision switches are added in the switch control circuit, so that the conflict signals can be transformed into the identifiable signals by the abnormity decision switches.

Description

A kind of ON-OFF control circuit and there is its control system and aircraft
Technical field
The present invention relates to electronic control technology field, particularly relate to a kind of ON-OFF control circuit and there is its control system and aircraft.
Background technology
At present, the control panel great majority of domestic and international type aircraft all have employed the state of computer monitoring and acquisition controller part (as: by compressing switch, operating switch and knob waver etc.), by bus or network to each system controller issuing control order, to reduce the connection electric wire between each system and control plate, alleviate the weight of aircraft electric wire.And adopt two remaining even redundance monitoring scheme, to improve the safety and reliability of control panel assembly.
But, adopt two remaining monitoring scheme while bringing these benefits, all the time there is a potential problem not solve thoroughly perfectly, this problem is exactly when push type or pull type system control switch break down, two remaining passages of switch can provide different orders, namely can not provide clear and definite control command, make controlled system at a loss as to what to do.
Therefore, wish a kind of technical scheme to overcome or at least alleviate at least one above-mentioned defect of prior art.
Summary of the invention
The object of the present invention is to provide a kind of ON-OFF control circuit to overcome or at least alleviate at least one above-mentioned defect of prior art.
For achieving the above object, the invention provides a kind of ON-OFF control circuit.Described ON-OFF control circuit comprises: multiple solving unit, and each described solving unit comprises four input ends and an output terminal; Organizing switches set more, often organizing described switches set for being connected with described four input ends, for while break-make four input ends in two, thus make wherein any two input ends have input signal; Multiple abnormal decision-making switch, each described abnormal decision-making switch is used for being connected with an output terminal of a described solving unit, enables a described output terminal be connected afterwards its output terminal with described abnormal decision-making switch and forms two and output signal; Wherein, according to the control of described switches set, described solving unit can receive from its input end and organize input signal more, and many group input signals comprise many group collision signals respectively and organize discernible signal more; Each described abnormal decision-making switch for making many groups collision signal wherein by the control of described abnormal decision-making switch, thus converts the discernible signal that can identify to.
Preferably, four described input ends comprise two input end groups of two groups of Redundancy Design each other.
Preferably, described abnormal decision-making switch is hilted broadsword three-position switch.
Preferably, described abnormal decision-making switch is double-pole three-position switch.
Present invention also offers a kind of control system, comprise ON-OFF control circuit as above.
Present invention also offers a kind of aircraft, comprise control system as above.
ON-OFF control circuit in the present invention adds abnormal decision-making switch, collision signal is made to become discernible signal by abnormal decision-making switch transition, thus output signal can be made all to become discernible signal, thus the problem that when solving that in prior art, gauge tap breaks down, controlled system is at a loss as to what to do.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of ON-OFF control circuit according to an embodiment of the invention.
Fig. 2 is the true value figure of the input signal of the ON-OFF control circuit shown in Fig. 1.
Reference numeral:
1 Solving unit 3 Abnormal decision-making switch
2 Switches set
Embodiment
For making object of the invention process, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention; it will be appreciated that; term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limiting the scope of the invention.
ON-OFF control circuit of the present invention comprises: multiple solving unit, and each solving unit comprises four input ends and an output terminal; Organize switches set more, often organize switches set and be used for being connected with four input ends, for while break-make four input ends in two, thus make wherein any two input ends have input signal; Multiple abnormal decision-making switch, each abnormal decision-making switch is used for being connected with an output terminal of a solving unit, enables an output terminal be connected afterwards its output terminal with abnormal decision-making switch and forms two and output signal; Wherein, according to the control of switches set, solving unit can receive from its input end and organize input signal more, and many group input signals comprise many group collision signals respectively and organize discernible signal more; Each abnormal decision-making switch for making many groups collision signal wherein by the control of abnormal decision-making switch, thus converts the discernible signal that can identify to.
ON-OFF control circuit of the present invention comprises solving unit 1, switches set 2, abnormal decision-making switch 3.In the present embodiment, solving unit 1 is multiple, and the quantity of abnormal decision-making switch 3 and switches set 2 is the number corresponding with solving unit 1 quantity.
See Fig. 1, in the present embodiment, each solving unit comprises four input ends and an output terminal.Be understandable that, this solving unit can enable single-chip microcomputer, microprocessor or other carry out the device of signal transacting.
See Fig. 1, in the present embodiment, four input ends comprise two input end groups of two groups of Redundancy Design each other.Namely every two input ends are one group, and each input end is used for supplied with digital signal.
See Fig. 1, in the present embodiment, switches set is used for being connected with four input ends, for while break-make four input ends in two, thus make wherein any two input ends have input signal.
In the present embodiment, switches set is relay.
See Fig. 1, in the present embodiment, each abnormal decision-making switch is used for being connected with an output terminal of a solving unit, enables an output terminal be connected afterwards its output terminal with abnormal decision-making switch and forms two and output signal; Wherein, according to the control of switches set, solving unit can receive from its input end and organize input signal more, and many group input signals comprise many group collision signals respectively and organize discernible signal more; Each abnormal decision-making switch for making many groups collision signal wherein by the control of described abnormal decision-making switch, thus converts the discernible signal that can identify to.
See Fig. 1, in the present embodiment, abnormal decision-making switch is hilted broadsword three-position switch.
Be understandable that, this abnormal decision-making switch can also be double-pole three-position switch.
Present invention also offers a kind of control system, comprise ON-OFF control circuit as above.
Present invention also offers a kind of aircraft, comprise control system as above.
Come that the present invention will be described in detail below by way of example, be understandable that, this citing does not form any limitation of the invention.
Conveniently describe, in this citing, the only situation of citing when input end breaks down.
See Fig. 2, when input end breaks down, when the state 15 namely in Fig. 2 and state 16, then illustrate that contradiction state has appearred in switch, its recognizer is as follows:
K = { ( SA 1 + SB 1 ) · ( SA 1 ‾ · SB 1 ) } · { ( SA 2 + SB 2 ) · ‾ ( SA 2 · SB 2 ) } - - - ( 1 )
In formula (1):
K: the detection output valve adding the output terminal after abnormal Decision Control switch;
SA 1: be 1 state of A channel push type or pull type system control switch;
SA 2: be 2 states of A channel push type or pull type system control switch;
SB 1: be 1 state of channel B push type or pull type system control switch;
SB 2: be 2 states of channel B push type or pull type system control switch.
In formula for detecting SA 1with SB 1state is inconsistent;
In formula for detecting SA 2with SB 2state is inconsistent.
From logical equatiion (1): work as SA 1with SB 1and SA 2with SB 2time all inconsistent (state 15 in corresponding diagram 2 and state 16), K=1; Otherwise, K=0.Thus the state 15 in Fig. 2 and state 16 can be detected.
When channel B fault in Fig. 1, its recognizer is as follows:
In formula (2):
X: be the detection output valve of channel B.
From logical equatiion (2): work as SB 1with SB 2time consistent, then the detection output valve X=1 of channel B push type or pull type system control switch fault; Otherwise, X=0.Thus the state 3 ~ state 6 in Fig. 2 can be detected.
When in Fig. 1 during A channel fault, its recognizer is as follows:
In formula (3):
Y: be the detection output valve of passage A;
From logical equatiion (3): work as SA 1with SA 2time consistent, then the detection output valve Y=1 of passage A; Otherwise, Y=0.Thus the state 7 ~ state 10 in Fig. 2 can be detected.
Use output true value algorithm during abnormal Decision Control switch
1) Z 1export Truth Value Logic equation and derivation:
In formula (4):
Z 1: 1 output true value of two remaining push type or pull type system control switch;
J 1: be 1 state of three, hilted broadsword " abnormal decision-making " switch;
section: be the computational logic under normal condition (in Fig. 2 state 1 and state 2), Z 1value depends on SA 1sB 1;
section: the computational logic of (in Fig. 2 state 3 ~ state 6) during the equal fault in the position of the switch for channel B, now, by SA 1determines Z 1value;
section: the computational logic of (in Fig. 2 state 7 ~ state 10) during the equal fault in the position of the switch for A channel, now, by SB 1determines Z 1value;
J 1(K+YX) section: for there is computational logic when contradiction (in Fig. 2 state 15 and state 16) state or A, the equal fault of channel B (in Fig. 2 state 11 ~ state 14), now, by 1 Determines Z of abnormal decision-making switch J 1value.
Z2 exports Truth Value Logic equation and derivation:
In formula (5):
Z 2: 2 of gauge tap export true value;
J 2: be 2 states of abnormal decision-making switch;
section: be the computational logic under normal condition (in Fig. 2 state 1 and state 2), result depends on SA 2sB 2;
section: the computational logic of (in Fig. 2 state 3 ~ state 6) during the equal fault in the position of the switch for channel B, now, by SA 2determines Z 2value;
section: the computational logic of (in Fig. 2 state 7 ~ state 10) during the equal fault in the position of the switch for A channel, now, by SB 2determines Z 2value;
J 2(K+YX) section: be computational logic when contradiction (in Fig. 2 state 15 and state 16) state or the equal fault of gauge tap state (in Fig. 2 state 11 ~ state 14) appear in gauge tap, now, by 2 Determines Z of abnormal decision-making switch J 2value.
Finally it is to be noted: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit.Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (6)

1. an ON-OFF control circuit, is characterized in that, described ON-OFF control circuit comprises:
Multiple solving unit (1), each described solving unit (1) comprises four input ends and an output terminal;
Organizing switches set (2) more, often organizing described switches set (2) for being connected with described four input ends, for while break-make four input ends in two, thus make wherein any two input ends have input signal;
Multiple abnormal decision-making switch (3), each described abnormal decision-making switch (3) is for being connected with an output terminal of a described solving unit (1), and after a described output terminal is connected with described abnormal decision-making switch (3), its output terminal forms two and outputs signal; Wherein,
According to the control of described switches set (2), described solving unit (1) can receive from its input end and organize input signal more, and many group input signals comprise many group collision signals respectively and organize discernible signal more; Each described abnormal decision-making switch (3) for making many groups collision signal wherein by the control of described abnormal decision-making switch (3), thus converts the discernible signal that can identify to.
2. ON-OFF control circuit as claimed in claim 1, is characterized in that, four described input ends comprise two input end groups of two groups of Redundancy Design each other.
3. ON-OFF control circuit as claimed in claim 1, it is characterized in that, described abnormal decision-making switch (3) is hilted broadsword three-position switch.
4. ON-OFF control circuit as claimed in claim 1, it is characterized in that, described abnormal decision-making switch (3) is double-pole three-position switch.
5. a control system, comprises as the ON-OFF control circuit in Claims 1-4 as described in any one.
6. an aircraft, comprises control system as claimed in claim 5.
CN201510368442.6A 2015-06-29 2015-06-29 A kind of ON-OFF control circuit and there is its control system and aircraft Active CN105045172B (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5422520A (en) * 1992-01-14 1995-06-06 Nec Corporation Switching control device
US20060167565A1 (en) * 2005-01-26 2006-07-27 Katrak Kerfegar K Systems and methods for robust switching using multi-state switch contacts and a common electrical reference
US20060244619A1 (en) * 2005-05-02 2006-11-02 Honeywell International, Inc. Safety interlock circuit with diagnostics requiring no extra signal wires
CN201497783U (en) * 2009-09-22 2010-06-02 山东翔宇航空技术服务有限责任公司 Plane model control panel test bench
CN102331710A (en) * 2010-05-03 2012-01-25 空中客车运营简化股份公司 The control panel that is used for aircraft
CN103516351A (en) * 2012-06-18 2014-01-15 中国航空工业集团公司西安飞机设计研究所 A four-redundancy simulation signal hardware voting circuit
CN203753416U (en) * 2014-03-24 2014-08-06 哈尔滨飞机工业集团有限责任公司 Aircraft wing fuel tank pressure refueling control device
CN204316829U (en) * 2014-12-19 2015-05-06 普天智能照明研究院有限公司 A kind of more-control switch of remote manual control compatibility
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US5422520A (en) * 1992-01-14 1995-06-06 Nec Corporation Switching control device
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US20060244619A1 (en) * 2005-05-02 2006-11-02 Honeywell International, Inc. Safety interlock circuit with diagnostics requiring no extra signal wires
CN201497783U (en) * 2009-09-22 2010-06-02 山东翔宇航空技术服务有限责任公司 Plane model control panel test bench
CN102331710A (en) * 2010-05-03 2012-01-25 空中客车运营简化股份公司 The control panel that is used for aircraft
CN103516351A (en) * 2012-06-18 2014-01-15 中国航空工业集团公司西安飞机设计研究所 A four-redundancy simulation signal hardware voting circuit
CN104682544A (en) * 2013-11-29 2015-06-03 国家电网公司 Spare power automatic switching method and device
CN203753416U (en) * 2014-03-24 2014-08-06 哈尔滨飞机工业集团有限责任公司 Aircraft wing fuel tank pressure refueling control device
CN204316829U (en) * 2014-12-19 2015-05-06 普天智能照明研究院有限公司 A kind of more-control switch of remote manual control compatibility

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