CN104185262A - Wireless multimedia data collection power dissipation management system and application management method thereof - Google Patents
Wireless multimedia data collection power dissipation management system and application management method thereof Download PDFInfo
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- CN104185262A CN104185262A CN201410452490.9A CN201410452490A CN104185262A CN 104185262 A CN104185262 A CN 104185262A CN 201410452490 A CN201410452490 A CN 201410452490A CN 104185262 A CN104185262 A CN 104185262A
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- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a wireless multimedia data collection power dissipation management system and an application management method thereof. The overall power dissipation management problem is considered starting from scheme design, a multi-CPU system (MPCore) is selected for different task processing requirements, and the overall CPU using efficiency is improved; due to the problems of WIFI safety and large power dissipation, a 2.4G wireless private transmission protocol is adopted, power dissipation is reduced, and the overall energy dissipation is reduced due to the fact that the private protocol is simple and independent and the requirement for a microprocessor is not high. In addition, switch of multiple working modes and dynamic power source management are adopted in the application, and the lowest energy dissipation of the whole system is achieved.
Description
Technical field
The present invention relates to wireless sensing product applications, particularly a kind of power managed system and application management method thereof of radio multimedium data acquisition.
Background technology
Wireless sensing product in Internet of Things, according to application, can be divided into two classes: the one, RFID type, wireless data sensing product at present; The 2nd, multi-medium data product.The first kind is mainly used in logistic industry, although power consumption is little, the data volume of transmission is limited.Equations of The Second Kind multi-medium data product, when wireless penetration, run into technical bottleneck, the power consumption of video acquisition is too high, general power consumption is in 2W left and right, with current battery technology, best wireless product also can only be supported 3 hours online, so common product all adopts external power supply, has limited the mobility of product.So, cannot be applied to the application scenario that the military, public security etc. need mobile video equipment.
Existing wireless IP video camera is achieved in that
1. external power supply
2. by individual soldier's backrest and double copies battery, the lightest also wants 5 jin, and the operating time of 4-6 hour is provided.The shortcoming of prior art:
1. volume weight,, causes mobility bad by least 5 jin
2. whole day power supply (at least 8 hours) can not be provided
3., if add power amplifier (voice are provided, lengthen distance), power consumption rises to 7W, cannot realize movement.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of power managed system and application management method thereof of the radio multimedium data acquisition addressing the above problem.
The present invention for the technical scheme that solves its technical problem and adopt is: a kind of power managed system of radio multimedium data acquisition: it comprises CPU module, transport module, dynamic power management module and application module, in described CPU module, adopt multi-CPU system (MPCore), multi-CPU system can need to reasonably start according to different tasks, stop corresponding CPU finishes the work, in the time of unwanted, in the state of resting, realize and control to greatest extent power consumption; Described transport module adopts the wireless privately owned host-host protocol of 2.4G, because privately owned host-host protocol is simplified, independence, therefore less demanding to microprocessor, overall power reduces greatly, meanwhile, fail safe is also higher, is conducive to the highly-reliable transmission to the audio, video data of transmission; Described application module adopts the mutual switch mode of multiple-working mode.
An application management method for the power managed system of radio multimedium data acquisition, comprises the following steps:
1) all application in application module in this system are divided into two kinds of patterns: video tour pattern, sleep pattern, judgement work at present pattern:
2) when system is during in video tour pattern, carry out normal power consumption setting;
3) when system is during in sleep pattern, by application layer and OS layer interface, bottom hardware is carried out to Power Management Setup, reduce the frequency of ARM, system can suspend in RAM or other memories, closes peripheral hardware; Stop video acquisition simultaneously, stop video compression coding, Codec DSP is set to sleep state, and by particular event, SPI interrupts, and requires system to exit sleep pattern.
The invention has the beneficial effects as follows: the present invention starts just to consider overall power problem of management from conceptual design, select multi-CPU system (MPCore), for different tasks, process and need, improve the service efficiency of whole CPU; Due to the fail safe of WIFI and large power problems, this programme adopts the wireless privately owned host-host protocol of 2.4G, has not only reduced power consumption, and due to the independence of simplifying of proprietary protocol, less demanding to microprocessor, thus overall power reduced.In addition, also adopt switching and the dynamic power management of multiple-working mode in application, the lowest power consumption that has reached total system is used.
Accompanying drawing explanation
Fig. 1 is power managed system schematic of the present invention;
Fig. 2 is application management method flow chart of the present invention.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment only, for explaining the present invention, does not form limiting the scope of the present invention.
Fig. 1 shows a kind of execution mode of the power managed system of a kind of radio multimedium data acquisition of the present invention, it comprises CPU module, transport module, dynamic power management module and application module, in described CPU module, adopt multi-CPU system (MPCore), multi-CPU system can need to reasonably start according to different tasks, stop corresponding CPU finishes the work, in the time of unwanted, in the state of resting, realize and control to greatest extent power consumption; Described transport module adopts the wireless privately owned host-host protocol of 2.4G, because privately owned host-host protocol is simplified, independence, therefore less demanding to microprocessor, overall power reduces greatly, meanwhile, fail safe is also higher, is conducive to the highly-reliable transmission to the audio, video data of transmission; Described application module adopts the mutual switch mode of multiple-working mode.
Fig. 2 is the application management method of the power managed system of radio multimedium data acquisition, comprises the following steps:
1) all application in application module in this system are divided into two kinds of patterns: video tour pattern, sleep pattern, judgement work at present pattern:
2) when system is during in video tour pattern, carry out normal power consumption setting;
3) when system is during in sleep pattern, by application layer and OS layer interface, bottom hardware is carried out to Power Management Setup, reduce the frequency of ARM, system can suspend in RAM or other memories, closes peripheral hardware; Stop video acquisition simultaneously, stop video compression coding, Codec DSP is set to sleep state, and by particular event, SPI interrupts, and requires system to exit sleep pattern.
This embodiment is by whole adjustment from hardware, soft body structure, and power consumption is lower as long as 700mw is 1/3 of home and abroad like product in working order.Thereby battery-powered time has been extended to 10 hours, first the national objective that meets energy-saving and emission-reduction, the operating time of 10 hours, only need the lithium battery of 1800 mah, integral device weight is less than 1 jin, if use double copies battery, can within 24 hours, power continuously, solved first mobile individual-soldier system Field Operational problem, equipment can arbitrarily be placed on any place in wireless coverage, without considering power supply, wiring problem, for army's Field Operational, emergent layouting have solved wiring problem temporarily.
Claims (2)
1. the power managed system of a radio multimedium data acquisition, it is characterized in that: it comprises CPU module, transport module, dynamic power management module and application module, in described CPU module, adopt multi-CPU system (MPCore), multi-CPU system can need to reasonably start according to different tasks, stop corresponding CPU finishes the work, in the time of unwanted, in the state of resting, realize and control to greatest extent power consumption; Described transport module adopts the wireless privately owned host-host protocol of 2.4G, because privately owned host-host protocol is simplified, independence, therefore less demanding to microprocessor, overall power reduces greatly, meanwhile, fail safe is also higher, is conducive to the highly-reliable transmission to the audio, video data of transmission; Described application module adopts the mutual switch mode of multiple-working mode.
2. an application management method for the power managed system of radio multimedium data acquisition as claimed in claim 1, is characterized in that: comprise the following steps:
1) all application in application module in this system are divided into two kinds of patterns: video tour pattern, sleep pattern, judgement work at present pattern:
2) when system is during in video tour pattern, carry out normal power consumption setting;
3) when system is during in sleep pattern, by application layer and OS layer interface, bottom hardware is carried out to Power Management Setup, reduce the frequency of ARM, system can suspend in RAM or other memories, closes peripheral hardware; Stop video acquisition simultaneously, stop video compression coding, Codec DSP is set to sleep state, and by particular event, SPI interrupts, and requires system to exit sleep pattern.
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| CN201410452490.9A CN104185262A (en) | 2014-09-09 | 2014-09-09 | Wireless multimedia data collection power dissipation management system and application management method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104918310A (en) * | 2015-07-10 | 2015-09-16 | 四川长虹通信科技有限公司 | Mobile terminal with rapid power saving function and rapid power saving method thereof |
| CN108040361A (en) * | 2017-12-06 | 2018-05-15 | 上海麦腾物联网技术有限公司 | A kind of method for managing power supply of cross-platform Internet of Things embedded system |
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| CN101174136A (en) * | 2006-10-31 | 2008-05-07 | 佛山市顺德区顺达电脑厂有限公司 | Electricity-saving circuit of electronic device and its electricity-saving method |
| CN102170472A (en) * | 2010-12-09 | 2011-08-31 | 无锡乐智科技有限公司 | Power consumption management method of network camera |
| CN102455881A (en) * | 2010-10-26 | 2012-05-16 | 富士施乐株式会社 | Image processing device, image output apparatus, and computer readable medium storing program |
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2014
- 2014-09-09 CN CN201410452490.9A patent/CN104185262A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174136A (en) * | 2006-10-31 | 2008-05-07 | 佛山市顺德区顺达电脑厂有限公司 | Electricity-saving circuit of electronic device and its electricity-saving method |
| CN102455881A (en) * | 2010-10-26 | 2012-05-16 | 富士施乐株式会社 | Image processing device, image output apparatus, and computer readable medium storing program |
| CN102170472A (en) * | 2010-12-09 | 2011-08-31 | 无锡乐智科技有限公司 | Power consumption management method of network camera |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104918310A (en) * | 2015-07-10 | 2015-09-16 | 四川长虹通信科技有限公司 | Mobile terminal with rapid power saving function and rapid power saving method thereof |
| CN108040361A (en) * | 2017-12-06 | 2018-05-15 | 上海麦腾物联网技术有限公司 | A kind of method for managing power supply of cross-platform Internet of Things embedded system |
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Application publication date: 20141203 |