CN109343335A - A kind of hatch door redundance control system - Google Patents
A kind of hatch door redundance control system Download PDFInfo
- Publication number
- CN109343335A CN109343335A CN201811311323.7A CN201811311323A CN109343335A CN 109343335 A CN109343335 A CN 109343335A CN 201811311323 A CN201811311323 A CN 201811311323A CN 109343335 A CN109343335 A CN 109343335A
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- Prior art keywords
- hatch door
- relay
- switch
- computer
- automatic
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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
- G05B9/00—Safety arrangements
- G05B9/02—Safety arrangements electric
- G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention belongs to aviation hatch door technologies, and in particular to a kind of hatch door redundance control system.The hatch door redundance control system includes the first computer, second computer, automatic/hand switching mechanism, switching relay, channel selecting relay and two hatch door solenoid valves.Wherein, first computer, second computer, automatic/hand switch equal mechanism and are connected on switching relay, and the switching relay is connect by channel selecting relay with two hatch door solenoid valves.The automatic/hand switching mechanism switches to manual mode by auto state in two computer failures.The present invention passes through the control system of the additional a set of manual switch of two double redundancy computers, control logic is realized with relay and switch, complete the control to hatch door solenoid valve, realize the hatch door control system of five remainings, The present invention reduces the uses of component in circuit, it is easy to accomplish, reduce system cost, system reliability is improved, there is biggish practical application value.
Description
Technical field
The invention belongs to aviation hatch door technologies, and in particular to a kind of hatch door redundance control system.
Background technique
The development experience of hatch door electric control system is mechanically to hydraulic mechanical type again to the differentiation of Flight By Wire.It is mechanical
It is big with fluid pressure type control system weight, it needs reasonably to be arranged in interior of aircraft.Both systems usually require to be equipped with standby
Part system, therefore further increase system weight.With the progress of electronic technology and computer technology, hatch door electrical control system
System begins to use computer and circuit connection, has developed Flight By Wire control system.Driver's operational order in telex system
Electric signal is become, has been input to control computer, instruction is issued by computer, driving part generates movement.
The aircraft accident as caused by hatch door failure frequently occurred in recent years.It is counted according to reliable data, from 2005
So far, aircraft accident caused by airline carriers of passengers hatch door failure has tens of, wherein 3 are 1 grade of accident (calamity).Hatch door is
The important component of aircaft configuration is related to the flight safety of aircraft and the life security of unit, passenger.It unites from hatch door failure
It counts analysis to obtain, the fault mode of aircraft door mainly has: cannot open or close, indicate failure, is seal failure, artificial
Malfunction etc. is several, these failures directly affect the reliability of bay door system.Control computer is responsible for issuing instruction, drives electromagnetism
Valve generates movement.Control computer is the core component in system, guarantees that its correct operation is to complete aerial mission safely
Prerequisite.However the defects of design of software, realization, keeps away and can not keep away, and when control computer failure, will make at once
It is uncontrollable to obtain aircraft, therefore there is great security risk.
Summary of the invention
The object of the present invention is to provide safe and reliable, the hatch door redundance control system of aircraft safety can effectively improve
System.
The technical scheme is that a kind of hatch door redundance control system comprising the first computer, second calculate
Machine, automatic/hand switching mechanism, switching relay, channel selecting relay and two hatch door solenoid valves, wherein described the
One computer, second computer, automatic/hand switch equal mechanism and are connected on switching relay, and the switching relay passes through
Channel selecting relay is connect with two hatch door solenoid valves, wherein the automatic/hand switching mechanism is in two computer failures
When manual mode switched to by auto state.
The switching relay includes opening relay switch, closing relay switch and control access, wherein opens relay
Switch, closing relay switch are mutually juxtaposed, and the two is respectively provided with output end and automatically enters end and manual input, output end
It is connected to control access, the end that automatically enters for opening simultaneously relay switch is all connected with beating for the first computer and second computer
Open control terminal, the closure control terminal for automatically entering end and being all connected with the first computer and second computer of closing relay switch, institute
It states and opens relay switch, closing relay switch manual input terminal connection automatic/hand switching mechanism.
The automatic/hand switching mechanism includes automatic/hand switching mechanism hatch door manual switch interconnected, wherein
When automatic/hand closes the switch, two-way output is connected to hatch door manual switch, another way is connected to control access all the way.
The hatch door manual switch divides two-way to be connected to opening relay switch manual input and closing relay switch manual
Input terminal.
The control access ground connection.
The automatic/hand switching mechanism input connects external power supply through hatch door control breaker.
The channel selecting relay is connected with channel selection switch.
The channel selection switch is connected with selection breaker.
The solution have the advantages that: hatch door redundance control system of the present invention is equal in the first computer and second computer
, it can be achieved that automatic control to hatch door solenoid valve when normal, and when two computer failures, pass through automatic/hand switching on and shutting down
Structure is, it can be achieved that manually control hatch door solenoid valve, to realize the double redundancy control to hatch door.The configuration of the present invention is simple, easily
In realization, reduce the use of component in circuit, reduce system cost, improve system reliability and safety, has larger
Practical application value.
Detailed description of the invention
Fig. 1 is the functional block diagram of hatch door redundance control system of the present invention；
Fig. 2 is hatch door redundance control system circuit figure of the present invention,
Wherein, the first computer of 1-, 2- automatic/hand switching mechanism, 3- second computer, 4- switching relay, 5- are logical
Road selective relay, 6- channel selection switch, the first hatch door of 7- solenoid valve, 8- the second hatch door solenoid valve.
Specific embodiment
It is further described with reference to the accompanying drawings and examples:
Referring to Fig. 1, hatch door redundance control system of the present invention includes the first computer, second computer, automatic/hand
Switching mechanism, switching relay, channel selecting relay and two hatch door solenoid valves.Wherein, first computer, second
Computer, automatic/hand switch equal mechanism and are connected on switching relay, and the switching relay passes through channel selecting relay
It is connect with two hatch door solenoid valves.The channel selecting relay is connected with channel selection switch, and the channel selection switch connects
It is connected to selection breaker, is used for channel selecting and control.The automatic/hand switching mechanism is in two computer failures by certainly
Dynamic state switches to manual mode.
Referring to Fig. 2, the switching relay includes opening relay switch, closing relay switch and control access.Its
In, open relay switch, closing relay switch be mutually juxtaposed, and the two be respectively provided with output end and automatically enter end and manually it is defeated
Enter end, output end is connected to control access.The end that automatically enters for opening simultaneously relay switch is all connected with the first computer and
The end that automatically enters of the opening control terminal of two computers, closing relay switch is all connected with closing for the first computer and second computer
Control terminal is closed, constitutes and automatically controls channel.The opening relay switch, closing relay switch manual input terminal connect automatic/hand
Dynamic switching mechanism.
The automatic/hand switching mechanism includes automatic/hand switching mechanism hatch door manual switch interconnected, wherein
When automatic/hand closes the switch, two-way output is connected to hatch door manual switch, another way is connected to control access all the way.Institute
Stating hatch door manual switch divides two-way to be connected to opening relay switch manual input and closing relay switch manual input terminal, constitutes
Manually control channel.
In addition, the automatic/hand switching mechanism input connects external power supply through hatch door control breaker, the control is logical
Road ground connection.
Two computers and automatic/hand switching mechanism can drive bay door system solenoid valve, and two solenoid valves are standby each other
Part, single solenoid valve failure does not influence back cargo hold door and opens/closes function.First computer, second computer are located simultaneously
Stowing gate signal can use " channel selecting when finding the first computer exception using the first computer control command when normal
Switch " combination " channel selecting relay " manual switching to the second control computer controls hatch door.Two computer simultaneous faults
When, it is switched using manual/automatic selector switch and switching relay is combined to cut off computer control signal, thorough isolation computer control
It makes, realizes manual switch signal replication to hatch door control valve by channel selecting relay at two paths of signals under this logic
Control.
In the extra control system of hatch door of the present invention, channel selection switch, manual/automatic selector switch, channel selecting relay
What device and switching relay were constituted manually controls channel, a kind of indemnifying measure being only used as in the case of computer failure, by driving
The person's of sailing manpower intervention completes the remaining control of bay door system, to improve the safety and reliability of system, therefore relative to existing
Technology has biggish practical application value.
Claims (8)
1. a kind of hatch door redundance control system, which is characterized in that opened including the first computer, second computer, automatic/hand
Shutting mechanism, switching relay, channel selecting relay and two hatch door solenoid valves, wherein first computer, the second meter
Calculation machine, automatic/hand switch equal mechanism and are connected on switching relay, the switching relay by channel selecting relay and
Two hatch door solenoid valve connections, wherein the automatic/hand switching mechanism is switched in two computer failures by auto state
At manual mode.
2. hatch door redundance control system according to claim 1, which is characterized in that the switching relay includes opening
Relay switch, closing relay switch and control access, wherein opening relay switch, closing relay switch are mutually juxtaposed, and two
Person is respectively provided with output end and automatically enters end and manual input, and output end is connected to control access, opens simultaneously relay
The opening control terminal for automatically entering end and being all connected with the first computer and second computer of switch, closing relay switch automatic defeated
Enter the closure control terminal that end is all connected with the first computer and second computer, the opening relay switch, closing relay switch hand
Dynamic input terminal connects automatic/hand switching mechanism.
3. hatch door redundance control system according to claim 2, which is characterized in that the automatic/hand switching mechanism
Including automatic/hand switching mechanism hatch door manual switch interconnected, when wherein automatic/hand closes the switch, two-way is defeated
Out, it is connected to hatch door manual switch all the way, another way is connected to control access.
4. hatch door redundance control system according to claim 3, which is characterized in that the hatch door manual switch divides two-way
It is connected to and opens relay switch manual input and closing relay switch manual input terminal.
5. hatch door redundance control system according to claim 4, which is characterized in that the control access ground connection.
6. hatch door redundance control system according to claim 5, which is characterized in that the automatic/hand switching mechanism
Input connects external power supply through hatch door control breaker.
7. hatch door redundance control system according to claim 6, which is characterized in that the channel selecting relay connection
There is channel selection switch.
8. hatch door redundance control system according to claim 7, which is characterized in that the channel selection switch is connected with
Select breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311323.7A CN109343335A (en) | 2018-11-05 | 2018-11-05 | A kind of hatch door redundance control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311323.7A CN109343335A (en) | 2018-11-05 | 2018-11-05 | A kind of hatch door redundance control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109343335A true CN109343335A (en) | 2019-02-15 |
Family
ID=65313944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811311323.7A Pending CN109343335A (en) | 2018-11-05 | 2018-11-05 | A kind of hatch door redundance control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109343335A (en) |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190215 |
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| RJ01 | Rejection of invention patent application after publication |