CN104331256A - Personal parameter storage device and storage method of airborne head-up display - Google Patents
Personal parameter storage device and storage method of airborne head-up display Download PDFInfo
- Publication number
- CN104331256A CN104331256A CN201410686276.XA CN201410686276A CN104331256A CN 104331256 A CN104331256 A CN 104331256A CN 201410686276 A CN201410686276 A CN 201410686276A CN 104331256 A CN104331256 A CN 104331256A
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- personality
- head
- display
- memory storage
- airborne
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/061—Improving I/O performance
Abstract
The invention relates to a personal parameter storage device and storage method of an airborne head-up display (HUD). The device comprises a storage cell and a data interface, and is connected with a head-up display. The storage method comprises the following steps: (1) measuring to obtain a personal parameter of a head-up display mounting point; (2) writing the personal parameter into the personal parameter storage device through writing equipment; (3) reading the personal parameter stored in the personal parameter storage device by the head-up display. According to the storage device and the storage method disclosed by the invention, the problems of fussy personal parameter reloading process and relatively long maintenance time during change of the HUD are solved, and special parameter loading equipment does not need to be equipped, so that resources are saved, and the cost is reduced.
Description
Technical field
The invention belongs to head-up display technical field, relate to personality memory storage and the storage means of airborne head-up display.
Background technology
Head-up display (be called for short HUD) a kind ofly requires high airborne equipment to optical accuracy.On the one hand, its installation accuracy must be very high, and HUD is arranged in aircraft cockpit, and the foozle of airframe physical construction is very large, cannot meet the installation accuracy requirement of HUD.Therefore, every platform HUD must record the pitch deviation of mounting points on its machine, roll deviation, driftage deviation, and adopts and electronically offset this deviation.The every airplane of this deviation is all not identical, belongs to HUD personality.On the other hand, when same model HUD is installed on the aircraft of different model, because airplane windscreen optical characteristics is different, also Different Effects will be caused to HUD display performance, therefore HUD also needs the windshield optical parametric recording different model aircraft, and adopts and electronically make corresponding correction.Windshield optical parametric also belongs to HUD personality.
At present, above-mentioned personality is stored in HUD inside usually, when HUD break down need to change time, need personality to be re-loaded in the new HUD changed, process is loaded down with trivial details, and maintenance time is longer, and airline must be equipped with special parameter loading equipemtn.
Summary of the invention
The invention provides a kind of personality memory storage and storage means of airborne head-up display, be intended to solve when changing HUD and reload the problem that personality process is loaded down with trivial details, maintenance time is longer.
For solving the problem, the personality memory storage (being called for short PMD) of the airborne head-up display of the present invention comprises storage unit and data-interface, is positioned at head-up display outside, and is connected with head-up display.
Described data-interface is SPI interface.
Described storage unit is EEPROM storage chip.
This device is fixed on head-up display erecting frame, is its power supply by head-up display.
The personality storage means of the airborne head-up display of the present invention is:
1) personality obtaining head-up display mounting points is measured;
2) by write device, described personality is write personality memory storage;
3) head-up display reads the personality in personality memory storage.
Described personality is pitch deviation, roll deviation, driftage deviation, windshield correction factor and School Affairs.
Step 2) in when write operation is carried out to personality memory storage, the write-protect pin of described data-interface is placed in high level; After write operation completes, the write-protect pin of described data-interface is placed in low level.
Step 2) in when write operation is carried out to personality memory storage, be that personality memory storage is powered by write device; After the installation of personality memory storage, be that personality memory storage is powered by head-up display.
The invention has the beneficial effects as follows: personality memory storage comprises storage unit and data-interface, simplicity of design, component number are few, and the probability that this device breaks down is well below head-up display, and the probability therefore reloading personality significantly reduces.When head-up display breaks down and changes, do not need to change personality memory storage, but the personality stored is used by the head-up display newly changed, effectively can avoid loading personality process so loaded down with trivial details, the problem that maintenance time is longer, and do not need to be equipped with special parameter loading equipemtn, saving resource, reduces costs.
Accompanying drawing explanation
Fig. 1 is the personality memory storage schematic diagram of the embodiment of the present invention;
Fig. 2 is the storage means of the personality of the embodiment of the present invention;
Fig. 3 is the functional block diagram of the Atmel AT25080B chip that the embodiment of the present invention is selected.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme of the present invention is described in further detail.
As shown in Figure 1, this device comprises storage unit and SPI interface.When aircraft carries out general assembly, first measure the pitch deviation, roll deviation, the driftage deviation that obtain mounting points on HUD machine, by special personality write device, these straggling parameters are write PMD together with windshield correction factor.Now PMD is powered by write device, and its write-protect pin is placed in high level by write device, makes it be in and can write state.
A kind of storage format of personality in PMD is as follows:
As shown in Figure 2, after personality write PMD completes, be fixed on by PMD on HUD erecting frame, PMD, independent of HUD, is its power supply by HUD, and is connected with HUD by cable.PMD reads its personality stored by spi bus for HUD.HUD just can utilize this parameters revision optical accuracy error.When after PMD installation, by cable on machine, its write-protect pin is placed in low level, makes it be in write-protect enabled state, guarantee personality not by accidental modification.
This PMD can select the EEPROM of SPI interface---and Atmel AT25080B, its functional block diagram is as shown in Figure 3.PMD can be designed to non intelligent module, and it is inner without firmware, only possesses reading and writing data and memory function.As shown in Figure 1, PMD is its power supply by HUD, and reads its personality stored by spi bus for HUD.The write-protect pin of AT25080B should be drawn out on the connector of PMD, when PMD installation and when being connected with HUD, write-protect pin is placed in low level, make it be in write-protect enabled state, guarantee personality not by accidental modification.As shown in Figure 1, when PMD is connected with personality write device, write-protect pin is placed in high level, now can write personality.
Be presented above one preferred embodiment, but the present invention is not limited to described embodiment.Basic ideas of the present invention are above-mentioned basic scheme, and for those of ordinary skill in the art, according to instruction of the present invention, designing the model of various distortion, formula, parameter does not need to spend creative work.The change carried out embodiment without departing from the principles and spirit of the present invention, amendment, replacement and modification still fall within the scope of protection of the present invention.
Claims (8)
1. the personality memory storage of airborne head-up display, is characterized in that, this device comprises storage unit and data-interface, is positioned at head-up display outside, and is connected with head-up display.
2. the personality memory storage of airborne head-up display according to claim 1, it is characterized in that, described data-interface is SPI interface.
3. the personality memory storage of airborne head-up display according to claim 1, it is characterized in that, described storage unit is EEPROM storage chip.
4. the personality memory storage of airborne head-up display according to claim 1, it is characterized in that, this device is fixed on head-up display erecting frame, is its power supply by head-up display.
5. the personality storage means of the airborne head-up display of the personality memory storage of airborne head-up display according to claim 1, it is characterized in that, the method at least comprises the steps:
1) personality obtaining head-up display mounting points is measured;
2) by write device, described personality is write personality memory storage;
3) head-up display reads the personality in personality memory storage.
6. the personality storage means of airborne head-up display according to claim 5, is characterized in that, step 1) described personality is pitch deviation, roll deviation, driftage deviation, windshield correction factor and School Affairs.
7. the personality storage means of airborne head-up display according to claim 5, is characterized in that, step 2) in when write operation is carried out to personality memory storage, the write-protect pin of described data-interface is placed in high level; After write operation completes, the write-protect pin of described data-interface is placed in low level.
8. the personality storage means of airborne head-up display according to claim 5, is characterized in that, step 2) in when write operation is carried out to personality memory storage, be that personality memory storage is powered by write device; After the installation of personality memory storage, be that personality memory storage is powered by head-up display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410686276.XA CN104331256A (en) | 2014-11-24 | 2014-11-24 | Personal parameter storage device and storage method of airborne head-up display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410686276.XA CN104331256A (en) | 2014-11-24 | 2014-11-24 | Personal parameter storage device and storage method of airborne head-up display |
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| CN104331256A true CN104331256A (en) | 2015-02-04 |
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| CN201410686276.XA Pending CN104331256A (en) | 2014-11-24 | 2014-11-24 | Personal parameter storage device and storage method of airborne head-up display |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448617A (en) * | 2016-12-13 | 2017-02-22 | 中国航空工业集团公司洛阳电光设备研究所 | Head-up display brightness control method and circuit for compensating cathode ray tube difference |
| CN109850169A (en) * | 2018-11-26 | 2019-06-07 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of monitoring method for airborne HUD display system |
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| CN103342116A (en) * | 2013-07-29 | 2013-10-09 | 江苏睿维申电子科技有限公司 | Automobile head up display (HUD) system |
| US20140052978A1 (en) * | 2012-08-14 | 2014-02-20 | Wistron Corporation | Computer system and associated storage device management method |
| CN103701471A (en) * | 2013-12-12 | 2014-04-02 | 深圳市英威腾电气股份有限公司 | Frequency converter keyboard and reading method |
| CN204302958U (en) * | 2014-11-24 | 2015-04-29 | 中国航空工业集团公司洛阳电光设备研究所 | The personality storage device of airborne head-up display |
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- 2014-11-24 CN CN201410686276.XA patent/CN104331256A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101777323A (en) * | 2009-01-14 | 2010-07-14 | 纬创资通股份有限公司 | Method for computer system to set monitor and relevant computer system |
| US20140052978A1 (en) * | 2012-08-14 | 2014-02-20 | Wistron Corporation | Computer system and associated storage device management method |
| CN103342116A (en) * | 2013-07-29 | 2013-10-09 | 江苏睿维申电子科技有限公司 | Automobile head up display (HUD) system |
| CN103701471A (en) * | 2013-12-12 | 2014-04-02 | 深圳市英威腾电气股份有限公司 | Frequency converter keyboard and reading method |
| CN204302958U (en) * | 2014-11-24 | 2015-04-29 | 中国航空工业集团公司洛阳电光设备研究所 | The personality storage device of airborne head-up display |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106448617A (en) * | 2016-12-13 | 2017-02-22 | 中国航空工业集团公司洛阳电光设备研究所 | Head-up display brightness control method and circuit for compensating cathode ray tube difference |
| CN109850169A (en) * | 2018-11-26 | 2019-06-07 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of monitoring method for airborne HUD display system |
| CN109850169B (en) * | 2018-11-26 | 2022-01-28 | 中国航空工业集团公司洛阳电光设备研究所 | Monitoring method for airborne HUD display system |
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Application publication date: 20150204 |