CN106776432B - A kind of airborne ejection escape On-line Product software upgrading circuit - Google Patents
A kind of airborne ejection escape On-line Product software upgrading circuit Download PDFInfo
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- CN106776432B CN106776432B CN201611139610.5A CN201611139610A CN106776432B CN 106776432 B CN106776432 B CN 106776432B CN 201611139610 A CN201611139610 A CN 201611139610A CN 106776432 B CN106776432 B CN 106776432B
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- throw switch
- communication chip
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4004—Coupling between buses
- G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Mathematical Physics (AREA)
- Computer Security & Cryptography (AREA)
- Stored Programmes (AREA)
- Power Sources (AREA)
Abstract
The invention belongs to aviation lifesaving's technical fields, are related to a kind of airborne ejection escape On-line Product software upgrading circuit.It is characterized by: it includes a duplex single-pole three-throw switch, two simply connected single-pole three-throw switches and 2 RS422 communication chips.The invention proposes a kind of airborne ejection escape On-line Product software upgrading circuits, the cumbersome upgrade method of shell need to be dismounted by enormously simplifying the airborne new product original of certain type, under the premise of guaranteeing On-line Product software upgrading safety and reliability, the efficiency of airborne ejection escape product software upgrading is improved.
Description
Technical field
The invention belongs to aviation lifesaving's technical fields, are related to a kind of airborne ejection escape On-line Product software upgrading circuit.
Background technique
Currently, for life saving system high reliability and high security use work the reason of, in ejection life-saving system
Airborne electronic equipment finished product does not have live online software upgrade programming ability.The airborne new product of certain type need to be torn open when carrying out software upgrading
Lower casing carries out software upgrading, is then loaded on shell, and not only escalation process is cumbersome, but also is possible to during dismounting shell
The reliability and safety of product are impacted, need to re-start detection after software upgrading, but scene does not have progress
The condition of complete detection, it is difficult to be damaged caused by product during discovery dismounting shell.According to four generation machines it is overall it is new
It is required that all airborne finished products need to have external online software upgrade ability, therefore it is soft online to be badly in need of a kind of safe airborne products
Part update device need to dismount the cumbersome upgrade method of shell to simplify the airborne new product original of certain type, product after guarantee software upgrading
Reliability and safety.
Summary of the invention
The purpose of the present invention is: a kind of airborne ejection escape On-line Product software upgrading circuit is proposed, to simplify certain type
Airborne new product original need to dismount the cumbersome upgrade method of shell, in the premise for guaranteeing On-line Product software upgrading safety and reliability
Under, improve the efficiency of airborne ejection escape product software upgrading.
The technical scheme is that a kind of airborne ejection escape On-line Product software upgrading circuit, it is characterised in that: it
Including a duplex single-pole three-throw switch, two simply connected single-pole three-throw switches and 2 RS422 communication chips；1RS422 communication
The receiver of receiver input anode U1in+ and the 2RS422 communication chip U2 of chip U1 input anode U2in+ it is in parallel after at
Anode, the receiver input negative terminal U1in- of 1RS422 communication chip U1 and the are inputted for the data of software upgrading circuit
Become the data input negative terminal of software upgrading circuit after the receiver input negative terminal U2in- of 2RS422 communication chip U2 is in parallel, the
The driver output plus terminal of the driver output plus terminal U1out+ and 2RS422 communication chip U2 of 1RS422 communication chip U1
Become the data output plus terminal of software upgrading circuit after U2out+ is in parallel, the driver of 1RS422 communication chip U1 exports negative terminal
Become the data of software upgrading circuit after U1out- is in parallel with the driver of 2RS422 communication chip U2 output negative terminal U2out-
Export negative terminal；The 1st stationary contact K1a of the power input vcc and the 1st single-pole three-throw switch K1 of 1RS422 communication chip U1 connect
It connects；The 1st movable contact K20, ground terminal U1GND, the 2RS422 of 1RS422 communication chip U1 of 2nd single-pole three-throw switch K2 is logical
Become the ground terminal of software upgrading circuit after the ground terminal U2GND connection of news chip U2；The 1st stationary contact of 2nd single-pole three-throw switch K2
Point K2a becomes the 1st receiving end of software upgrading circuit after connecting with the receiver output end U1RO of 1RS422 communication chip U1
IN1；The driver input end U1DI of 1RS422 communication chip U1 is the 1st transmitting terminal OUT1 of software upgrading circuit；The
The power input vcc of 2RS422 communication chip U2 is connect with the 3rd stationary contact K1c of the 1st single-pole three-throw switch K1；2RS422
Become software upgrading after the receiver output end U2RO of communication chip U2 is in parallel with the 3rd stationary contact K2c of the 2nd single-pole three-throw switch K2
2nd receiving end IN2 of circuit；The driver input end DI of 2RS422 communication chip U2 is the 2nd transmission of software upgrading circuit
Hold OUT2；Duplex single-pole three-throw switch is made of the 3rd single-pole three-throw switch K3 and the 4th single-pole three-throw switch K4, the 3rd single-pole three throw
The movable contact K10 company of the movable contact K30 of switch K3, the movable contact K40 of the 4th single-pole three-throw switch K4, the 1st single-pole three-throw switch K1
Become the power input of software upgrading circuit after connecing；The 1st stationary contact k3a of 3rd single-pole three-throw switch K3 is software upgrading electricity
The 1st control terminal G1 on road；The 3rd stationary contact k3c of 3rd single-pole three-throw switch K3 is the 2nd control terminal G2 of software upgrading circuit；The
The 1st stationary contact k4a of 4 single-pole three-throw switch K4 is the 3rd control terminal G3 of software upgrading circuit；4th single-pole three-throw switch K4's
3rd stationary contact k4c is the 4th control terminal G4 of software upgrading circuit.
The purpose of the present invention is: a kind of airborne ejection escape On-line Product software upgrading circuit is proposed, is enormously simplified
The airborne new product original of certain type need to dismount the cumbersome upgrade method of shell, guarantee On-line Product software upgrading safety and reliability
Under the premise of, improve the efficiency of airborne ejection escape product software upgrading.
Detailed description of the invention
Fig. 1 is circuit diagram of the invention.
Specific embodiment
The present invention is described in further details below.Referring to Fig. 1, a kind of airborne ejection escape On-line Product software upgrading
Circuit, it is characterised in that: it includes a duplex single-pole three-throw switch, two simply connected single-pole three-throw switches and 2 RS422 communications
Chip；The receiver input of the receiver input anode U1in+ and 2RS422 communication chip U2 of 1RS422 communication chip U1
The data for becoming software upgrading circuit after anode U2in+ is in parallel input anode, the receiver input of 1RS422 communication chip U1
Become the number of software upgrading circuit after negative terminal U1in- is in parallel with the receiver input negative terminal U2in- of 2RS422 communication chip U2
According to input negative terminal, the driving of the driver output plus terminal U1out+ and 2RS422 communication chip U2 of 1RS422 communication chip U1
Become the data output plus terminal of software upgrading circuit, the driving of 1RS422 communication chip U1 after device output plus terminal U2out+ is in parallel
Become software upgrading after device output negative terminal U1out- is in parallel with the driver of 2RS422 communication chip U2 output negative terminal U2out-
The data of circuit export negative terminal；The 1st of the power input vcc and the 1st single-pole three-throw switch K1 of 1RS422 communication chip U1
Stationary contact K1a connection；The ground terminal of the 1st movable contact K20 of 2nd single-pole three-throw switch K2,1RS422 communication chip U1
U1GND, 2RS422 communication chip U2 ground terminal U2GND connection after become software upgrading circuit ground terminal；2nd hilted broadsword three
The 1st stationary contact K2a of throw switch K2 becomes software upgrading after connecting with the receiver output end U1RO of 1RS422 communication chip U1
1st receiving end IN1 of circuit；The driver input end U1DI of 1RS422 communication chip U1 is the 1st hair of software upgrading circuit
Sending end OUT1；The 3rd stationary contact K1c of the power input vcc and the 1st single-pole three-throw switch K1 of 2RS422 communication chip U2 connect
It connects；After the receiver output end U2RO of 2RS422 communication chip U2 is in parallel with the 3rd stationary contact K2c of the 2nd single-pole three-throw switch K2
The 2nd receiving end IN2 as software upgrading circuit；The driver input end DI of 2RS422 communication chip U2 is software upgrading electricity
The 2nd transmitting terminal OUT2 on road；Duplex single-pole three-throw switch is made of the 3rd single-pole three-throw switch K3 and the 4th single-pole three-throw switch K4,
The movable contact K30 of 3rd single-pole three-throw switch K3, the movable contact K40 of the 4th single-pole three-throw switch K4, the 1st single-pole three-throw switch K1
Become the power input of software upgrading circuit after movable contact K10 connection；The 1st stationary contact k3a of 3rd single-pole three-throw switch K3 is
1st control terminal G1 of software upgrading circuit；The 3rd stationary contact k3c of 3rd single-pole three-throw switch K3 is the 2 of software upgrading circuit
Control terminal G2；The 1st stationary contact k4a of 4th single-pole three-throw switch K4 is the 3rd control terminal G3 of software upgrading circuit；4th hilted broadsword three
The 3rd stationary contact k4c of throw switch K4 is the 4th control terminal G4 of software upgrading circuit.
The working principle of the invention is: by the power input of software upgrading circuit, the 1st receiving end IN1, the 2nd receiving end
IN2, the 1st transmitting terminal OUT1, the 2nd transmitting terminal OUT2, G1, G2, G3, G4, ground terminal are connect with to software upgrading product, software liter
Data input anode, data input negative terminal, data output plus terminal, data output negative terminal and the host computer of grade circuit (have serial ports
Communication function computer) connection, software to be solidified is stored in host computer.
1st single-pole three-throw switch K1 is allocated to the end k1a, the 2nd single-pole three-throw switch K2 is allocated to the end k2a, and the 3rd single-pole three throw is opened
It closes K3 and the 4th single-pole three-throw switch K4 to be allocated to the end k3a respectively and be allocated to the end k4a, be powered to software upgrading product, it is single by the 2nd
Three throw switch K2 of knife is allocated to the end k2b, sends software to be solidified in host computer in controller, disconnects power supply after the completion；
1st single-pole three-throw switch K1 is allocated to the end k1c, the 2nd single-pole three-throw switch K2 is allocated to the end k2c, and the 3rd single-pole three throw is opened
It closes K3 and the 4th single-pole three-throw switch K4 to be allocated to the end k3c respectively and be allocated to the end k4c, be powered to software upgrading product, it is single by the 2nd
Three throw switch K2 of knife is allocated to the end k2b, sends software to be solidified in host computer in controller, disconnects power supply after the completion.
One embodiment of the present of invention, communication chip use SM3490 chip.Test proves by contrast, software updating efficiency
Improve 10 times or more.
Claims (1)
1. a kind of airborne ejection escape On-line Product software upgrading circuit, it is characterised in that: it includes a duplex single-pole three throw
Switch, the 1st single-pole three-throw switch K1, the 2nd single-pole three-throw switch K2 and 2 RS422 communication chips；1RS422 communication chip U1
The receiver input anode U2in+ of receiver input anode U1in+ and 2RS422 communication chip U2 it is in parallel after as software
The data for upgrading circuit input anode, receiver input negative terminal U1in- and the 2RS422 communication of 1RS422 communication chip U1
Become the data input negative terminal of software upgrading circuit, 1RS422 communication after the receiver input negative terminal U2in- of chip U2 is in parallel
After the driver output plus terminal U1out+ of chip U1 is in parallel with the driver output plus terminal U2out+ of 2RS422 communication chip U2
As the data output plus terminal of software upgrading circuit, the driver output negative terminal U1out- of 1RS422 communication chip U1 and the
The data for becoming software upgrading circuit after the driver output negative terminal U2out- of 2RS422 communication chip U2 is in parallel export negative terminal；The
The power input vcc of 1RS422 communication chip U1 is connect with the 1st stationary contact K1a of the 1st single-pole three-throw switch K1；2nd hilted broadsword
The 1st movable contact K20 of three throw switch K2, the ground terminal U1GND of 1RS422 communication chip U1,2RS422 communication chip U2
Become the ground terminal of software upgrading circuit after ground terminal U2GND connection；The 1st stationary contact K2a of 2nd single-pole three-throw switch K2 and
Become the 1st receiving end IN1 of software upgrading circuit after the receiver output end U1RO connection of 1RS422 communication chip U1；The
The driver input end U1DI of 1RS422 communication chip U1 is the 1st transmitting terminal OUT1 of software upgrading circuit；2RS422 communication
The power input vcc of chip U2 is connect with the 3rd stationary contact K1c of the 1st single-pole three-throw switch K1；2RS422 communication chip U2
Receiver output end U2RO it is in parallel with the 3rd stationary contact K2c of the 2nd single-pole three-throw switch K2 after become software upgrading circuit the 2nd
Receiving end IN2；The driver input end DI of 2RS422 communication chip U2 is the 2nd transmitting terminal OUT2 of software upgrading circuit；It is double
Connection single-pole three-throw switch is made of the 3rd single-pole three-throw switch K3 and the 4th single-pole three-throw switch K4, the 3rd single-pole three-throw switch K3's
Movable contact K30, the movable contact K40 of the 4th single-pole three-throw switch K4, the 1st single-pole three-throw switch K1 movable contact K10 connection after become
The power input of software upgrading circuit；The 1st stationary contact k3a of 3rd single-pole three-throw switch K3 is the 1st control of software upgrading circuit
End G1 processed；The 3rd stationary contact k3c of 3rd single-pole three-throw switch K3 is the 2nd control terminal G2 of software upgrading circuit；4th single-pole three throw
The 1st stationary contact k4a of switch K4 is the 3rd control terminal G3 of software upgrading circuit；The 3rd stationary contact of 4th single-pole three-throw switch K4
K4c is the 4th control terminal G4 of software upgrading circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139610.5A CN106776432B (en) | 2016-12-12 | 2016-12-12 | A kind of airborne ejection escape On-line Product software upgrading circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139610.5A CN106776432B (en) | 2016-12-12 | 2016-12-12 | A kind of airborne ejection escape On-line Product software upgrading circuit |
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| Publication Number | Publication Date |
|---|---|
| CN106776432A CN106776432A (en) | 2017-05-31 |
| CN106776432B true CN106776432B (en) | 2019-06-25 |
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| CN201611139610.5A Active CN106776432B (en) | 2016-12-12 | 2016-12-12 | A kind of airborne ejection escape On-line Product software upgrading circuit |
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Citations (7)
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| CN101030140A (en) * | 2006-03-02 | 2007-09-05 | 中兴通讯股份有限公司 | Device and method for on-line updating fastener programm |
| CN200962624Y (en) * | 2006-10-18 | 2007-10-17 | 青岛海信电器股份有限公司 | Software online upgrade circuit |
| CN101126920A (en) * | 2007-09-30 | 2008-02-20 | 浙江中控技术有限公司 | Method and device implementing on-line upgrading of a fixed programme |
| US7356577B2 (en) * | 2003-06-12 | 2008-04-08 | Samsung Electronics Co., Ltd. | System and method for providing an online software upgrade in load sharing servers |
| CN101420328A (en) * | 2008-12-03 | 2009-04-29 | 杭州华三通信技术有限公司 | System, interface card and method for remote upgrading field programmable gate array |
| CN101751369A (en) * | 2010-01-19 | 2010-06-23 | 深圳市普博科技有限公司 | Online software updating and resetting control circuit and system thereof |
| US9003556B2 (en) * | 2013-02-28 | 2015-04-07 | Facebook, Inc. | Techniques for in-app user data authorization |
-
2016
- 2016-12-12 CN CN201611139610.5A patent/CN106776432B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7356577B2 (en) * | 2003-06-12 | 2008-04-08 | Samsung Electronics Co., Ltd. | System and method for providing an online software upgrade in load sharing servers |
| CN101030140A (en) * | 2006-03-02 | 2007-09-05 | 中兴通讯股份有限公司 | Device and method for on-line updating fastener programm |
| CN200962624Y (en) * | 2006-10-18 | 2007-10-17 | 青岛海信电器股份有限公司 | Software online upgrade circuit |
| CN101126920A (en) * | 2007-09-30 | 2008-02-20 | 浙江中控技术有限公司 | Method and device implementing on-line upgrading of a fixed programme |
| CN101420328A (en) * | 2008-12-03 | 2009-04-29 | 杭州华三通信技术有限公司 | System, interface card and method for remote upgrading field programmable gate array |
| CN101751369A (en) * | 2010-01-19 | 2010-06-23 | 深圳市普博科技有限公司 | Online software updating and resetting control circuit and system thereof |
| US9003556B2 (en) * | 2013-02-28 | 2015-04-07 | Facebook, Inc. | Techniques for in-app user data authorization |
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| Publication number | Publication date |
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| CN106776432A (en) | 2017-05-31 |
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