CN107707110A - A kind of electronic navigation system - Google Patents
A kind of electronic navigation system Download PDFInfo
- Publication number
- CN107707110A CN107707110A CN201711022880.2A CN201711022880A CN107707110A CN 107707110 A CN107707110 A CN 107707110A CN 201711022880 A CN201711022880 A CN 201711022880A CN 107707110 A CN107707110 A CN 107707110A
- Authority
- CN
- China
- Prior art keywords
- microprocessor
- electronic navigation
- navigation system
- modules
- user
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Power Sources (AREA)
Abstract
The invention discloses a kind of electronic navigation system, including first microprocessor, the first microprocessor is connected with the second microprocessor, it is characterized in that the first microprocessor is provided with other main functional modules of system and system other main functional modules, second microprocessor is provided with DC CD voltage transformation modules, user's input module, video and other modules.The present invention has the advantages of reliability is high, power saving and toggle speed are fast.
Description
Technical field
The present invention relates to Circuit management field, specially a kind of electronic navigation system.
Background technology
Following defect be present in the application process of reality in the power-supply management system of prior art electronic navigation system：
1st, because systematic microprocessor also needs to be responsible for power management, therefore this nothing while processing task various service data
The load of microprocessor can be aggravated by doubting, and easily caused system crash or deadlock and can not be restarted automatically, so, said system
Reliability comparotive is low.
2nd, said system is when entering power down mode, if thoroughly being powered off to microprocessor and system peripheral, in system
When entering normal operating condition from power down mode the toggle speed of system can be caused slow.If microprocessor and system peripheral are kept
Power supply, then system can expend more electric energy in power down mode, so as to reduce the system standby time.So said system is saving
It can not accomplish that both fast to economize on electricity and toggle speed take into account during electricity condition.
The content of the invention
The technical problem to be solved in the present invention is the defects of overcoming above prior art, there is provided a kind of reliability is high, power saving
And the electronic navigation system that toggle speed is fast.
A kind of electronic navigation system, including first microprocessor, the first microprocessor are connected with the second microprocessor,
Provided with other main functional modules of system, second microprocessor is provided with DC-CD voltages and turned the first microprocessor
Change the mold block, user's input module, video and other modules.
Preferably, the first microprocessor Shanghai is provided with other main functional modules of system.
Preferably, user's input module includes computer input port and mobile phone input port.
Preferably, connected between the first microprocessor and first microprocessor by netting twine.
The technical problem to be solved in the present invention is to provide a kind of management system for realizing above-mentioned method for managing power supply, and it is wrapped
First microprocessor, the second microprocessor, user's input module, Installed System Memory and system other main functional modules are included, it is described
Second microprocessor is connected with user's input module；Second microprocessor is also connected by data/address bus and first microprocessor
Connect；The first microprocessor is connected with Installed System Memory, system other main functional modules respectively.
After above management method and management system, the present invention compared with prior art, has advantages below：
To be aggravated because present invention, avoiding load caused by solving task processing and power management simultaneously using a microprocessor
The problem of, the processing of the task of system and power management are completed by first microprocessor and the second microprocessor respectively, reduced
The load of first microprocessor, that is, the load of master microprocessor, so the power management of electronic navigation system of the present invention
Method and system are not easily caused system crash or deadlock, and its functional reliability is higher.
Brief description of the drawings
Fig. 1 is the structural representation of power-supply management system of the present invention.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the power-supply management system of electronic navigation system of the present invention, it includes first microprocessor, second micro-
Other main work(of processor, DC-DC voltage transformation modules, user's input module, video and other modules, Installed System Memory and system
Can module；Described first microprocessor is system master microprocessor, model SH7764, the main each work(for completing system
Can, and keep communicating with the second microprocessor, receive and perform its power management command and reply at the appointed time；Described
Two microprocessors are the auxiliary microprocessor of system, and model R8C, is responsible for power supply managing and user inputs management；Installed System Memory
For the system operation internal memory of first microprocessor, it is controlled by first microprocessor or is accessed；Described DC-DC voltages turn
Mold changing block, user's input module, video and other modules are connected with the second microprocessor respectively；Second microprocessor is also logical
Asynchronous serial-port data bus is crossed to be connected and communicate with first microprocessor；The first microprocessor respectively with Installed System Memory, be
Other main functional modules of uniting connect, and are responsible for the normal operation of whole system.
As shown in figure 1, the method for managing power supply of electronic navigation system of the present invention, comprises the following steps：
User starts shooting, electricity in whole system, is powered by the second microprocessor for first microprocessor, first microprocessor report electricity
Source is off-mode, and the second microprocessor, which is replied, switches to running status order, first microprocessor loading OS and application software,
System enters normal operating condition running status order back to normal simultaneously to first microprocessor.
In the normal course of operation of system, KeepAlive inquiry commands are sent by the second microprocessor cycle, first
Microprocessor, which receives, replys KeepAlive orders after the signal, it was demonstrated that first microprocessor in the state of normal operation, if the
Two microprocessors do not receive KeepAlive orders, then illustrate that first microprocessor is in deadlock state, then make the by power-off
One microprocessor is restarted.
When no user inputs system within a period of time, such as user's shutdown or during long time no operations, the period can
By user's sets itself, the inquiry command into power down mode is sent by the second microprocessor in the system, that is, enters and hangs up
State or hibernation-like state, the first microprocessor in the system judge after the inquiry command is received according to the system running state
Whether power down mode is entered, if it is determined that into power down mode, then by the data conversion storage of first microprocessor state to system
Deposit, reply power down mode order to the second microprocessor, first microprocessor, system peripheral cut off by the second microprocessor,
It is exactly the power supply of each functional module of system, Installed System Memory enters self-refresh state, and system enters power down mode；If it is determined that protect
Normal operating condition is held, then the status signal of operation back to normal to the second microprocessor is so that system keeps normal operation shape
State.
When user starts shooting, the second microprocessor is waken up, by the second microprocessor to first microprocessor, Installed System Memory and
It is electric in each functional module of system, sent by the second microprocessor and switch to running status order, first microprocessor is by being
Recover in system internal memory, i.e., recover OS from Installed System Memory and application software, system are recovered to normal operating condition by power down mode
And the information of normal operating condition is sent to the second microprocessor.
The interactive mode of first microprocessor and the second microprocessor：First microprocessor reports its current power state,
Second microprocessor sends power supply status handover request, reports that state and state handover request are Management Information Base/response pair.Start
When, report status command is actively sent by first microprocessor, the second microprocessor response is simultaneously informed the state to be switched and opened
Flowing mode.After system start completion, when power supply status needs switching, state switch command is actively sent by the second microprocessor,
First microprocessor is refused or completed response after switching and reports current state.During system normal operation, by the second microprocessor
Device timing sends keepAlive orders, and first microprocessor needs response to inform it still in normal operating conditions, and otherwise system will
Restart.
When system enters power down mode, that is, hibernation-like state is entered, system is stored in Installed System Memory, and only second is micro-
Processor and Installed System Memory are in minimum power supply state, reach optimal power down mode.It is actually micro- by second after user starts shooting
Device thermal starting system is managed, so as to reach the performance of fast quick-recovery.
In a word, presently preferred embodiments of the present invention, all equalizations made according to scope of the present invention patent be the foregoing is only
Change and modification, it should all belong to the covering scope of patent of the present invention.
Claims (4)
1. a kind of electronic navigation system, including first microprocessor, the first microprocessor is connected with the second microprocessor, its
It is characterised by that the first microprocessor is provided with DC- provided with other main functional modules of system, second microprocessor
CD voltage transformation modules, user's input module, video and other modules.
2. a kind of electronic navigation system according to claim 1, it is characterised in that the first microprocessor, which is provided with, is
Unite other main functional modules.
3. a kind of electronic navigation system according to claim 1, it is characterised in that user's input module includes computer
Input port and mobile phone input port.
A kind of 4. electronic navigation system according to claim 1, it is characterised in that the first microprocessor and first micro-
Connected between processor by netting twine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711022880.2A CN107707110A (en) | 2017-10-27 | 2017-10-27 | A kind of electronic navigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711022880.2A CN107707110A (en) | 2017-10-27 | 2017-10-27 | A kind of electronic navigation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107707110A true CN107707110A (en) | 2018-02-16 |
Family
ID=61182515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711022880.2A Pending CN107707110A (en) | 2017-10-27 | 2017-10-27 | A kind of electronic navigation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107707110A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117591189A (en) * | 2024-01-18 | 2024-02-23 | 深圳市天辰防务通信技术有限公司 | Time optimization method, control device, navigation processor system and navigation processor |
-
2017
- 2017-10-27 CN CN201711022880.2A patent/CN107707110A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117591189A (en) * | 2024-01-18 | 2024-02-23 | 深圳市天辰防务通信技术有限公司 | Time optimization method, control device, navigation processor system and navigation processor |
| CN117591189B (en) * | 2024-01-18 | 2024-04-26 | 深圳市天辰防务通信技术有限公司 | Time optimization method, control device, navigation processor system and navigation processor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180216 |