CN108153189A - A kind of power control circuit and method of civil aircraft display controller - Google Patents
A kind of power control circuit and method of civil aircraft display controller Download PDFInfo
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- CN108153189A CN108153189A CN201711379954.8A CN201711379954A CN108153189A CN 108153189 A CN108153189 A CN 108153189A CN 201711379954 A CN201711379954 A CN 201711379954A CN 108153189 A CN108153189 A CN 108153189A
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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
- G05B19/0423—Input/output
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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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
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Abstract
The present invention provides a kind of power control circuit and method of civil aircraft display controller, display controller after the power is turned on, power conversion module out-put supply signal to FPGA and relevant configuration circuit；The output after button is pressed that powers on light guide plate powers on push button signalling, and after signal isolation Acquisition Circuit, FPGA carries out keyboard scan and calculation key, if button is powered on, then carries out timing to key press time, power on signal is exported after the time reaches fixed numbers；Power on signal is exported after light-coupled isolation to power conversion module；Power conversion module input power signal is to PMIC power circuits and interface circuit, and PMIC power circuits input GPU power supply signals to GPU and relevant configuration circuit, and display controller is powered on into normal mode of operation.The power control circuit and method of civil aircraft display controller provided by the invention can be effectively prevented damage of the abnormal electric stress to power control circuit, reduce system power dissipation and volume, meet the high security level requirement of civil aircraft.
Description
Technical field
The invention belongs to civil onboards to show the display actuation techniques field in equipment, is related to a kind of civil aircraft display controller
Power control circuit and method.
Background technology
Display controller is realized by the button on light guide plate and the control of itself and its related cross-links equipment is operated.Tradition
Display controller power control circuit includes：Light guide plate, power module, optocoupler, microcontroller, CPU, GPU and DC/DC power supply.It presses
Key signals input to microcontroller by optocoupler, and microcontroller scans key-press input periodically, using progressive scan method, and pass through delay
Stabilization obtains button value.Microcontroller must each cycle be ceaselessly scanned, while CPU and GPU need to be used simultaneously, and
GPU does not use low-power consumption mode, and the power consumption of display is larger.Meanwhile the transient high-current meeting that the abnormal conditions such as lightning stroke generate
Directly optocoupler is punctured, microcontroller, which can not collect push button signalling, causes display controller to power on failure.
Invention content
The purpose of the present invention is：Power control circuit and the method for a kind of civil aircraft display controller are provided with reduce power consumption and
Volume increases safe class.
To achieve the above object, the present invention proposes a kind of power control circuit and method of civil aircraft display controller.Its
In：
A kind of power control circuit of civil aircraft display controller, including light guide plate, it is characterised in that：Further include signal isolation
Acquisition Circuit, FPGA and relevant configuration circuit, GPU and relevant configuration circuit, interface circuit, PMIC power circuits, optocoupler and electricity
Source modular converter；
When requiring display controller after the power is turned on, external power supply can power on modular converter, power conversion module output
First power supply signal is to FPGA and relevant configuration circuit；The output after button is pressed that powers on light guide plate powers on push button signalling,
FPGA is inputted after signal isolation Acquisition Circuit；FPGA is determined by after key pressing, carries out keyboard scan and calculation key, if
To power on button, then timing is carried out to key press time, power on signal is exported after the time reaches fixed numbers；Power on signal is passed through
It is exported after light-coupled isolation to power conversion module；Power conversion module input second source signal to PMIC power circuits and
Third power supply signal is inputted to interface circuit, PMIC power circuits input GPU power supply signals to GPU and relevant configuration circuit, show
Show that controller is powered on into normal mode of operation.
Further preferred embodiment, a kind of power control circuit of civil aircraft display controller, it is characterised in that：When sentencing
When disconnected GPU be in low task and occupies, output Standby signals and I2C data to PMIC power circuits, PMIC power circuits from
Normal mode is switched to low electric source modes, and according to I2C data configuration output voltages.
Further preferred embodiment, a kind of power control circuit of civil aircraft display controller, it is characterised in that：It is described
Power conversion module includes anti-peak surge circuit, input filter circuit, switching function circuit, three road DC/DC conversions+output filter
Wave circuit；After external power supply input three road DC/DC conversions+output is input to by anti-peak surge circuit and input filter circuit
In filter circuit, the break-make of switching function circuit control wherein two-way DC/DC conversions+output filter circuit.
A kind of power control method of civil aircraft display controller, it is characterised in that：Include the following steps：
Step 1：When requiring display controller after the power is turned on, external power supply input voltage is controlled to power conversion module；Power supply
Modular converter exports the first power supply signal and is powered on to FPGA and relevant configuration circuit, FPGA；
Step 2：The output after button is pressed that powers on light guide plate powers on push button signalling, by signal isolation Acquisition Circuit
After input FPGA；FPGA is determined by after key pressing, and stabilization processing is carried out to push button signalling, if effective button, then execution key
Disk scanning imaging system and calculation key；Determine whether to power on button, if button is powered on, then timing is carried out to button；Work as the time
Power on signal is exported after reaching fixed numbers；Power on signal is exported after light-coupled isolation to power conversion module；
Step 3：It exports to the power on signal of power conversion module and enables switching function circuit, power conversion module input the
Two power supply signals are to PMIC power circuits and input third power supply signal to interface circuit；
Step 4：PMIC power circuits input GPU power supply signals to GPU and relevant configuration circuit, display controller power on into
Enter normal mode of operation.
Further preferred embodiment, a kind of power control method of civil aircraft display controller, it is characterised in that：GPU
And relevant configuration circuit is after the power is turned on, according to the sensor parameters of input, GPU organizes graphing picture；GPU is adopted periodically simultaneously
Collect the service condition of core signal interrupt line and rambus, calculate current task and occupy, and predict the task of subsequent time period
It occupies；It is occupied if the task of subsequent time period is occupied for low task, GPU enables Standby signals, and exports I2C data extremely
PMIC power circuits, PMIC power circuits switch to low electric source modes, according to I2C data configuration output voltages；If future time
The task of section is occupied to be occupied for high task, then the invalid Standby signals of GPU, PMIC power circuits keep normal power mode.
Advantageous effect
The power control circuit and method of civil aircraft display controller provided by the invention, can be effectively prevented abnormal electric stress
Damage to power control circuit, reduces system power dissipation and volume, meets the high security level requirement of civil aircraft.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
It obtains significantly or is recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Significantly and it is readily appreciated that, wherein：
Fig. 1 is the power control circuit structure diagram of the present invention.
Fig. 2 is electrification control method work flow diagram.
Fig. 3 is GPU power supplys control work flow diagram.
Specific embodiment
The embodiment of the present invention is described below in detail, the embodiment is exemplary, it is intended to for explaining the present invention, and
It is not considered as limiting the invention.
As shown in Figure 1, the power control circuit of the civil aircraft display controller in the present embodiment includes：Light guide plate 10, signal
Acquisition Circuit 20, FPGA and relevant configuration circuit 30, GPU and relevant configuration circuit 40, interface circuit 50, PMIC power supplys electricity is isolated
Road 60, optocoupler 70 and power conversion module 80.
After the power is turned on, 80 out-put supply signal 1 of power conversion module arrives FPGA and relevant configuration circuit 30 to display controller.It leads
Powering on tabula rasa 10 powers on push button signalling 1 by output after key pressing, and by signal isolation Acquisition Circuit, FPGA determines button
After pressing, keyboard scan and calculation key are carried out, if button is powered on, timing is carried out to key press time, reaches fixed when the time
Power on signal 1 is exported after numerical value, power on signal 2 is exported after light-coupled isolation to power conversion module.Power conversion module is defeated
Go out power supply signal 2 to PMIC power circuits 60 and power supply signal 3 to interface circuit 50, PMIC power circuits 60 control GPU and phase
Configuration circuit 40 is closed to power on.When GPU needs to complete a large amount of calculation processing tasks, PMIC power circuits 60 are operated in normal mode
Formula；When GPU is when low task occupies, enabled Standby signals, PMIC power circuits 60 are switched to low power supply mould from normal mode
Formula reduces power consumption.
As described in Figure 1, signal isolation Acquisition Circuit includes in the present embodiment：Magnetic bead 21, magnetic bead 22, TVS pipe 23, TVS pipe
24th, capacitance 25, capacitance 26 and resistance 27.Power conversion module includes anti-peak surge circuit 81, input filter circuit 82, switch
Functional circuit 85, three road DC/DC conversions+output filter circuit；By anti-peak surge circuit and input after external power supply input
Filter circuit is input in three road DC/DC conversions+output filter circuit, and switching function circuit control wherein two-way DC/DC conversions+
The break-make of output filter circuit.
Magnetic bead 21 and the ILBB0805ER601V that magnetic bead 22 is Vishay producers, TVS pipe 23 and TVS pipe 24 in the present embodiment
For the SACB5.0 of Littelfuse companies, the capacitance of capacitance 25 and capacitance 26 is 100pF.What GPU and relevant configuration circuit used
GPU chips are the i.Mx6DQ of Freescale producers, and PMIC power circuits 60 are the PF0100 of Freescale producers.
The power control method of specific civil aircraft display controller, includes the following steps：
Step 1：When requiring display controller after the power is turned on, external power supply input+28V voltages are controlled to power conversion module；
Power conversion module exports the first power supply signal and is powered on to FPGA and relevant configuration circuit, FPGA；
Step 2：The output after button is pressed that powers on light guide plate powers on push button signalling, by signal isolation Acquisition Circuit
After input FPGA；FPGA is determined by after key pressing, and stabilization processing is carried out to push button signalling, if effective button, then execution key
Disk scanning imaging system and calculation key；Determine whether to power on button, if button is powered on, then timing is carried out to button；Work as the time
Power on signal is exported after reaching 3s, if key press time is less than 3s, assert that this push button signalling is invalid；Power on signal by optocoupler every
From rear output to power conversion module；
Step 3：It exports to the power on signal of power conversion module and enables switching function circuit, power conversion module input the
Two power supply signals are to PMIC power circuits and input third power supply signal to interface circuit；
Step 4：PMIC power circuits input GPU power supply signals to GPU and relevant configuration circuit, display controller power on into
Enter normal mode of operation.
After the power is turned on, according to the sensor parameters of input, GPU organizes graphing picture for GPU and relevant configuration circuit；Simultaneously
GPU acquires the service condition of core signal interrupt line and rambus periodically, calculates current task and occupies, and predicts lower a period of time
Between section task occupy；It is occupied if the task of subsequent time period is occupied for low task, GPU enables Standby signals, and exports
I2C data to PMIC power circuits, PMIC power circuits switches to low electric source modes, according to I2C data configuration output voltages；If
The task of subsequent time period is occupied to be occupied for high task, then the invalid Standby signals of GPU, and PMIC power circuits keep normal electricity
Source module.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art are not departing from the principle of the present invention and objective
In the case of can make changes, modifications, substitutions and variations to the above described embodiments within the scope of the invention.
Claims (5)
1. a kind of power control circuit of civil aircraft display controller, including light guide plate, it is characterised in that：Signal isolation is further included to adopt
Collector, FPGA and relevant configuration circuit, GPU and relevant configuration circuit, interface circuit, PMIC power circuits, optocoupler and power supply
Modular converter；
When requiring display controller after the power is turned on, external power supply can power on modular converter, power conversion module output first
Power supply signal is to FPGA and relevant configuration circuit；The output after button is pressed that powers on light guide plate powers on push button signalling, passes through
FPGA is inputted after signal isolation Acquisition Circuit；FPGA is determined by after key pressing, keyboard scan and calculation key is carried out, if upper
Electric button then carries out timing to key press time, power on signal is exported after the time reaches fixed numbers；Power on signal passes through optocoupler
It is exported after isolation to power conversion module；Power conversion module inputs second source signal to PMIC power circuits and input
For third power supply signal to interface circuit, PMIC power circuits input GPU power supply signals to GPU and relevant configuration circuit, display control
Device processed is powered on into normal mode of operation.
2. a kind of power control circuit of civil aircraft display controller according to claim 1, it is characterised in that：When judging GPU
When being occupied in low task, Standby signals and I2C data are exported to PMIC power circuits, and PMIC power circuits are from normal
Pattern switching is to low electric source modes, and according to I2C data configuration output voltages.
3. a kind of power control circuit of civil aircraft display controller according to claim 2, it is characterised in that：The power supply turns
It changes the mold block and includes anti-peak surge circuit, input filter circuit, switching function circuit, three road DC/DC convert+export filtered electrical
Road；Three road DC/DC conversions+output is input to after external power supply input by anti-peak surge circuit and input filter circuit to filter
In circuit, the break-make of switching function circuit control wherein two-way DC/DC conversions+output filter circuit.
4. the power control method of civil aircraft display controller is realized using circuit described in claim 1, it is characterised in that：Including with
Lower step：
Step 1：When requiring display controller after the power is turned on, external power supply input voltage is controlled to power conversion module；Power supply is converted
Module exports the first power supply signal and is powered on to FPGA and relevant configuration circuit, FPGA；
Step 2：The output after button is pressed that powers on light guide plate powers on push button signalling, defeated after signal isolation Acquisition Circuit
Enter FPGA；FPGA is determined by after key pressing, stabilization processing is carried out to push button signalling, if effective button, then execution key sweeping
Retouch program and calculation key；Determine whether to power on button, if button is powered on, then timing is carried out to button；Reach when the time
Power on signal is exported after fixed numbers；Power on signal is exported after light-coupled isolation to power conversion module；
Step 3：It exports to the power on signal of power conversion module and enables switching function circuit, the second electricity of power conversion module input
Source signal is to PMIC power circuits and inputs third power supply signal to interface circuit；
Step 4：PMIC power circuits input GPU power supply signals to GPU and relevant configuration circuit, and display controller is powered on into just
Normal operating mode.
5. a kind of power control method of civil aircraft display controller according to claim 4, it is characterised in that：GPU and correlation
After the power is turned on, according to the sensor parameters of input, GPU organizes graphing picture to configuration circuit；GPU acquires core periodically simultaneously
The service condition of signal interruption line and rambus calculates current task and occupies, and predicts that the task of subsequent time period occupies；If
The task of subsequent time period is occupied to be occupied for low task, then GPU enables Standby signals, and exports I2C data to PMIC power supplys
Circuit, PMIC power circuits switch to low electric source modes, according to I2C data configuration output voltages；If the task of subsequent time period
It occupies and is occupied for high task, then the invalid Standby signals of GPU, PMIC power circuits keep normal power mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711379954.8A CN108153189B (en) | 2017-12-20 | 2017-12-20 | Power supply control circuit and method for civil aircraft display controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711379954.8A CN108153189B (en) | 2017-12-20 | 2017-12-20 | Power supply control circuit and method for civil aircraft display controller |
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| CN108153189A true CN108153189A (en) | 2018-06-12 |
| CN108153189B CN108153189B (en) | 2020-07-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110213096A (en) * | 2019-05-30 | 2019-09-06 | 苏州浪潮智能科技有限公司 | A kind of automatic powering method of GPU, system, terminal and storage medium |
| CN111106599A (en) * | 2020-01-10 | 2020-05-05 | 湖南中普技术股份有限公司 | Method for suppressing direct current surge of airborne electric equipment based on ideal diode |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2207263A (en) * | 1987-06-12 | 1989-01-25 | Gunze Kk | A currency conversion calculator |
| KR100670587B1 (en) * | 1999-11-22 | 2007-01-17 | 삼성전자주식회사 | A power-saving circuit in a video display system |
| CN102054462A (en) * | 2009-11-05 | 2011-05-11 | 晨星软件研发(深圳)有限公司 | Low power consumption display control method and relevant display controller |
| CN202007579U (en) * | 2011-03-14 | 2011-10-12 | 汉王科技股份有限公司 | Human face recognition door lock |
| CN103038820A (en) * | 2010-07-30 | 2013-04-10 | 高通股份有限公司 | Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio signals |
| CN104731305A (en) * | 2015-04-03 | 2015-06-24 | 青岛歌尔声学科技有限公司 | Shutdown control circuit and electronic product with same |
| EP2051156B1 (en) * | 2007-10-16 | 2017-12-06 | ASUSTeK Computer Inc. | Electrical power sharing circuit |
| CN107678855A (en) * | 2017-09-19 | 2018-02-09 | 中国电子产品可靠性与环境试验研究所 | Processor dynamic regulating method, device and processor chips |
-
2017
- 2017-12-20 CN CN201711379954.8A patent/CN108153189B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2207263A (en) * | 1987-06-12 | 1989-01-25 | Gunze Kk | A currency conversion calculator |
| KR100670587B1 (en) * | 1999-11-22 | 2007-01-17 | 삼성전자주식회사 | A power-saving circuit in a video display system |
| EP2051156B1 (en) * | 2007-10-16 | 2017-12-06 | ASUSTeK Computer Inc. | Electrical power sharing circuit |
| CN102054462A (en) * | 2009-11-05 | 2011-05-11 | 晨星软件研发(深圳)有限公司 | Low power consumption display control method and relevant display controller |
| CN103038820A (en) * | 2010-07-30 | 2013-04-10 | 高通股份有限公司 | Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio signals |
| CN202007579U (en) * | 2011-03-14 | 2011-10-12 | 汉王科技股份有限公司 | Human face recognition door lock |
| CN104731305A (en) * | 2015-04-03 | 2015-06-24 | 青岛歌尔声学科技有限公司 | Shutdown control circuit and electronic product with same |
| CN107678855A (en) * | 2017-09-19 | 2018-02-09 | 中国电子产品可靠性与环境试验研究所 | Processor dynamic regulating method, device and processor chips |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110213096A (en) * | 2019-05-30 | 2019-09-06 | 苏州浪潮智能科技有限公司 | A kind of automatic powering method of GPU, system, terminal and storage medium |
| CN111106599A (en) * | 2020-01-10 | 2020-05-05 | 湖南中普技术股份有限公司 | Method for suppressing direct current surge of airborne electric equipment based on ideal diode |
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| CN108153189B (en) | 2020-07-10 |
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