CN106773948A - A kind of multipurpose low power consumption control device and method for dynamic characteristic test - Google Patents
A kind of multipurpose low power consumption control device and method for dynamic characteristic test Download PDFInfo
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- CN106773948A CN106773948A CN201611144658.5A CN201611144658A CN106773948A CN 106773948 A CN106773948 A CN 106773948A CN 201611144658 A CN201611144658 A CN 201611144658A CN 106773948 A CN106773948 A CN 106773948A
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- characteristic test
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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
- G05B19/0428—Safety, monitoring
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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
- G05B19/048—Monitoring; Safety
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
The invention discloses a kind of multipurpose low power consumption control device and method for dynamic characteristic test, wherein device includes arm processor, OLED display module, DDR3 SDRAM, SPI Flash memory modules, eMMC memory modules, SD card memory module, d GPS locating module, wire communication module, wireless communication module, management of charging and discharging module, power supply module and peripheral module, management of charging and discharging module management battery charging and discharging, needs switching at runtime external AC adapter to power and battery supply path according to system.The present invention solves the problems, such as current master control and data collecting card poor compatibility, can facilitate compatible with existing high precision universal data collecting card.
Description
Technical field
The present invention relates to control technology, more particularly to a kind of multipurpose low power consumption control device for dynamic characteristic test
And method.
Background technology
With the high speed development of contemporary scientific technology, in fields such as automobile engineering, science and techniques of defence, increasingly attention is real
Test and carry out proof theory model, verified by experimental results and theory and technology contrast and Optimization Theory Model, so as to design
Go out more perfect product, thus it is also increasing to dynamic characteristic test demand.Dynamical property test system on current market
It is main to use PC analysis softwares+data collecting system pattern, such as test module of the design with USB interface to coordinate with PC and constituted
Whole dynamic test system；Also have and design the analog input card with PCI or PCIe EBIs, be built in PC mainboards
On, the ability for making PC possess system dynamic characteristic test.The common feature of these solutions is that volume is larger, very flexible,
Personal carrying is not easy to be analyzed in real time with scene survey data；And existing integral system dynamic characteristic test instrument is then related public
The special equipment of exploitation is taken charge of, it is poor with General Data Acquisition card compatibility, it is unfavorable for standardization or the system integration.
It is of the present invention a kind of to can be used for multipurpose low power consumption control device highly versatile, the peripheral hardware of dynamic characteristic test
Rich interface, small volume and low in energy consumption.The master control borad is integrated with common memory module, communication interface, it is easy to extend external data
Capture card, can coordinate portable wireless mobile terminal easily to carry out the dynamic characteristic of on-the-spot test and real-time analyzer.
The content of the invention
In view of the problem that above-mentioned prior art is present, a kind of present invention offer low work(of multipurpose for dynamic characteristic test
Consumption control device and method.
The present invention solves technical problem and adopts the following technical scheme that：A kind of multipurpose low-power consumption for dynamic characteristic test
Control device, including：Arm processor, OLED display module, DDR3 SDRAM, SPI Flash memory modules, eMMC storage moulds
Block, SD card memory module, d GPS locating module, wire communication module, wireless communication module, management of charging and discharging module, power supply
Module and peripheral module, wherein：The arm processor and OLED display module, DDR3 SDRAM, SPI Flash storage moulds
Block, eMMC memory modules, SD card memory module, d GPS locating module, wire communication module, wireless communication module, management of charging and discharging
Module, power supply module and peripheral module are respectively coupled to；The management of charging and discharging module management battery charging and discharging, according to being
System needs switching at runtime external AC adapter to power and battery supply path.
Optionally, the wire communication module includes ethernet module, USB module and CAN module.
Optionally, the wireless communication module includes WIFI module.
Optionally, the arm processor model SAMA5D27, including multiple Peripheral Interfaces；The SPI Flash storages
Module model AT25DF321, as system program and the storage medium of configuration parameter；The d GPS locating module model
VK1613U7M3, the signal for parsing antenna reception obtains high-precision positional information.
Optionally, the ethernet module model KSZ8081RNB, the USB module is using ARM integrated USB controls
Device, the CAN module passes through USB module, ethernet module and PC using ARM basic CAN controller, the master control borad
Enter row data communication, the master control borad also carries out data exchange by CAN module and standard CAN node.
Optionally, WIFI module model RT5370WIFI chips, master control borad is received after data in arm processor control
Under, data is activation is gone out by WIFI module while write-in SD card memory module.
Optionally, the peripheral module includes but is not limited to SSI buses and I2C buses.
Optionally, the management of charging and discharging module model ACT8945A, is managed to battery charging and discharging；The power supply
Power module model BQ24250 chips, the chip is highly integrated charger for lithium ion battery and system power supply path tube
Reason device.
Optionally, the master control borad is by I2C bus marco external data capture cards, and the SSI buses are by data acquisition
Data in card are transferred to master control borad.
The present invention solves technical problem and adopts the following technical scheme that：A kind of multipurpose low-power consumption for dynamic characteristic test
Control method, including：On master control borad after electricity, Linux system is loaded from onboard eMMC memory modules in DDR3 SDRAM；
Under Linux system control, arm processor controls external data capture card, including acquisition parameter to set, start collection by I2C
Gathered with stopping；The real-time data collection that data collecting card sends is received by SSI buses；After arm processor receives data
It is buffered in internal memory；And data is activation is gone out by wireless network.
The present invention has the advantages that：
Multipurpose low power consumption control device and method for dynamic characteristic test of the invention, solve current master control with
The problem of data collecting card poor compatibility, can facilitate compatible with existing high precision universal data collecting card.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of multipurpose low power consumption control device for dynamic characteristic test of the invention；
Fig. 2 is a kind of flow chart of multipurpose Low-power-consumptiocontrol control method for dynamic characteristic test of the invention；
Fig. 3 is the schematic diagram of DDR3 SDRAM modules of the present invention；
Fig. 4 is the schematic diagram of SPI Flash memory modules of the present invention；
Fig. 5 is the schematic diagram of eMMC memory modules of the present invention；
Fig. 6 is the schematic diagram of SD card memory module of the present invention；
Fig. 7 is the schematic diagram of d GPS locating module of the present invention；
Fig. 8 is the schematic diagram of CAN module of the present invention；
Fig. 9 is the schematic diagram of ethernet module of the present invention；
Figure 10 is the schematic diagram of management of charging and discharging module of the invention.
Specific embodiment
Technical scheme is further elaborated with reference to embodiment and accompanying drawing.
Some vocabulary have such as been used to censure specific components in the middle of specification and claim.Those skilled in the art should
It is understood that hardware manufacturer may call same component with different nouns.This specification and claims are not with name
The difference of title is used as distinguishing the mode of component, but the difference with component functionally is used as the criterion distinguished.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer to that in receivable error range, those skilled in the art can solve described in the range of certain error
Technical problem, basically reaches the technique effect.Additionally, " coupling " one word herein comprising it is any directly and indirectly electric property coupling
Means.Therefore, if a first device is coupled to a second device described in text, representing the first device can direct electrical coupling
The second device is connected to, or the second device is electrically coupled to indirectly by other devices or coupling means.Specification
Subsequent descriptions be implement the application better embodiment, so it is described description be for the purpose of the rule for illustrating the application,
It is not limited to scope of the present application.The protection domain of the application ought be defined depending on the appended claims person of defining.
Embodiment 1
Present embodiments provide a kind of multipurpose low power consumption control device for dynamic characteristic test.The device provides thing
Reason connection, by I2C control capture card work schedule, received by SSI buses data, the carrying out to gathered data store and
Forwarded by communication network, while be also responsible for each functional module powering.
Multipurpose low power consumption control for dynamic characteristic test of the invention includes：Arm processor 101, organic light emission
Diode (Organic Light-Emitting Diode, OLED) display module 102, DDR3SDRAM103, SPI Flash are deposited
It is storage module 104, eMMC memory modules 105, SD card memory module 106, d GPS locating module 107, wire communication module 108, wireless
Communication module 109, management of charging and discharging module 111, power supply module 112 and peripheral module 110, wherein：
Arm processor 101 and OLED display module 102, DDR3 SDRAM103, SPI Flash memory modules 104, eMMC
Memory module 105, SD card memory module 106, d GPS locating module 107, wire communication module 108, wireless communication module 109, fill
Electric discharge management module 111, power supply module 112 and peripheral module 110 are respectively coupled to；
Management of charging and discharging module 111 manages battery charging and discharging, needs switching at runtime external AC adapter to power according to system
With battery supply path.
Wherein, all peripheral modules are managed for convenience, using the ARM chips SAMA5D27 of Atmel companies as master control
MCU.SAMA5D27 has abundant peripheral hardware, including 100 m ethernet port, 2x high speed USBs port, double CAN, SDIO/SD/
MMC, UART, SPI, I2C, software modem, 12 ADC and 32 bit timing devices, it provides various with different peripheral group
The type money of conjunction, so as to best reflexless terminal system requirements.To improve system reliability, Linux system file is stored in plate
Carry on eMMC MTFC4GLDEA-0M WT, MTFC4GLDEA-0M WT interfaces are based on the agreements of SDIO 3.0 in addition, and maximum speed can
Up to 100Mbps, the toggle speed of Linux system can be accelerated.
Multipurpose low power consumption control master control borad will not only control gathered data, also data are managed, and such as test is joined
Several preservations and modification, preservation of gathered data etc., these are required for system to possess data non-volatile memory ability, it is contemplated that be
System stability and the convenience of data movement, SPI Flash memory modules 104 are using flash memory AT25DF321 as being
The storage medium of system program and configuration parameter, and the data that will be collected are stored in dismountable SD card module.
Wherein, data interaction is carried out for convenience of control master control borad and outside, control master control borad is configured with wire communication module
And wireless network communication module.Wire communication module includes that wire communication module 108 includes ethernet module, USB module and CAN
Bus module., wherein from KSZ8081RNB as ethernet PHY chip, it is that a single supply is powered to ethernet module
10M/100M ethernet PHY transceivers, support RMII interfaces；USB module is coordinated using ARM integrated USB controller
Newest USB typeC interfaces, there is provided carry out its communication ability with PC, will can easily be deposited by USB interface in master control borad
The data of storage are imported into PC；CAN module coordinates SN65HVD230CAN buses to drive using the CAN controller on ARM bases
Dynamic device makes master control borad possess the ability communicated with other CAN nodes.
Wireless communication module 109 includes WIFI module, using the RT5370WIFI chips with USB2.0 EBIs, should
Chip operation is internally integrated 802.11n agreements in 2.45GHz frequency ranges, traffic rate up to 150Mbps, with WiFi AP energy
Power, in addition it be also integrated with advanced PMU, the closing internal function module when system does not carry out data transmission, drop
Low system power dissipation.Master control borad 100 is received after data under the control of arm processor 101, write-in SD card memory module 106 it is same
When data is activation is gone out by WIFI module.
The model VK1613U7M3 of d GPS locating module 107, the signal for parsing antenna reception obtains high-precision position
Information.VK1613U7M3GPS modules are an extra small external form GPS receiver modules for low-power consumption master chip, and it employs a new generation
U-blox chips, hypersensitivity possesses comprehensive function, can meet the strict demand of specialty aim, and its horizontal accuracy can
Up to 2.5m, speed reaches as high as 515m/s, and renewal frequency is 25mA to the maximum up to 10Hz, power consumption.
Wherein, peripheral module 110 includes but is not limited to SSI buses and I2C buses.Master control borad 100 passes through I2C bus marcos
Data in data collecting card are transferred to master control borad 100 by external data capture card, SSI buses.
Wherein, power supply module 112 using chargeable lithium cell as power supply, be charging and discharging lithium battery management and
What system power supply path intelligent management was selected is the BQ24250 chips of TI, and the lithium ion battery that the chip is a highly integrated charges
Device and system power supply path management device, these devices primarily directed to space it is limited and containing high-capacity battery it is portable should
With.Power source path management characteristic enables BQ24250 while charge independence is carried out to battery from an efficient constant frequency
Rate dc-dc is system power supply, and the charger monitors battery current always and the electric current needed for system load is higher than input
Charging current is reduced during current limit.Additionally, when external power supply can not provide system peak electric current, this power source path management frame
Structure allows battery replenishment system electric current needs.
Wherein, the model ACT8945A of management of charging and discharging module 111, it is a inexpensive, efficient power management
Scheme, can be managed to charging and discharging lithium battery.Its power supply to SAMA5D family chips optimizes, with 3 road DC-DC
Output, 4 road LDO outputs and I2C control interfaces, can meet electricity and power down sequence and power reguirements on SAMA5D27.
Embodiment 2
A kind of multipurpose Low-power-consumptiocontrol control method for dynamic characteristic test is present embodiments provided, Fig. 2 is for moving
The flow chart of the multipurpose Low-power-consumptiocontrol control method of step response test, including：
Step 201：On master control borad 100 after electricity, Linux system to DDR3 SDRAM is loaded from onboard eMMC memory modules
In；
Step 202：Under Linux system control, arm processor 101 controls external data capture card by I2C, including
Acquisition parameter sets, starts to gather and stop collection；
Step 203：The real-time data collection that data collecting card sends is received by SSI buses；
Step 204：Arm processor 101 is buffered in internal memory after receiving data；And
Step 205：Data is activation is gone out by wireless network.
Software completes the initialization of each peripheral hardware, monitoring hardware running status, be responsible for the reception of data, treatment, storage and turn
Hair, including systems soft ware and application software.Systems soft ware is mainly linux operating systems and the peripheral equipment management of correlation drives, it
Be mainly used to management processor and its peripheral module, information is simultaneously sent into OLED display module by monitoring hardware working condition, together
When provide platform for application software；Application software is on the basis of system and driving, to carry out data with each peripheral hardware and lead to
Letter：Parsing the order of host computer carries out the configuration of parameters to hardware, receive collection data and stored, play back and on
Pass.
The sequencing of above example only for ease of description, the quality of embodiment is not represented.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of multipurpose low power consumption control device for dynamic characteristic test, it is characterised in that including：Arm processor,
OLED display module, DDR3 SDRAM, SPI Flash memory modules, eMMC memory modules, SD card memory module, GPS location mould
Block, wire communication module, wireless communication module, management of charging and discharging module, power supply module and peripheral module, wherein：
The arm processor and OLED display module, DDR3 SDRAM, SPI Flash memory modules, eMMC memory modules, SD
Card memory module, d GPS locating module, wire communication module, wireless communication module, management of charging and discharging module, power supply module
And peripheral module is respectively coupled to；
The management of charging and discharging module management battery charging and discharging, needs switching at runtime external AC adapter to power and electricity according to system
Pond supply path.
2. the multipurpose low power consumption control device for dynamic characteristic test according to claim 1, it is characterised in that institute
Stating wire communication module includes ethernet module, USB module and CAN module.
3. the multipurpose low power consumption control device for dynamic characteristic test according to claim 1, it is characterised in that institute
Stating wireless communication module includes WIFI module.
4. the multipurpose low power consumption control device for dynamic characteristic test according to claim 1, it is characterised in that institute
State arm processor model SAMA5D27, including multiple Peripheral Interfaces；The SPI Flash memory module models
AT25DF321, as system program and the storage medium of configuration parameter；The d GPS locating module model VK1613U7M3, uses
The signal received in parsing antenna obtains high-precision positional information.
5. the multipurpose low power consumption control device for dynamic characteristic test according to claim 2, it is characterised in that institute
Ethernet module model KSZ8081RNB is stated, the USB module is using ARM integrated USB controller, the CAN mould
Block enters row data communication using ARM basic CAN controller, the master control borad by USB module, ethernet module and PC, institute
State master control borad also carries out data exchange by CAN module and standard CAN node.
6. the multipurpose low power consumption control device for dynamic characteristic test according to claim 3, it is characterised in that
WIFI module model RT5370 WIFI chips, master control borad is received after data under arm processor control, and write-in SD card is deposited
Data is activation is gone out by WIFI module while storage module.
7. the multipurpose low power consumption control device for dynamic characteristic test according to claim 1, it is characterised in that institute
State peripheral module including but not limited to SSI buses and I2C buses.
8. the multipurpose low power consumption control device for dynamic characteristic test according to claim 1, it is characterised in that institute
Management of charging and discharging module model ACT8945A is stated, battery charging and discharging is managed；The power supply module model
BQ24250 chips, the chip is highly integrated charger for lithium ion battery and system power supply path management device.
9. the multipurpose low power consumption control device for dynamic characteristic test according to claim 7, it is characterised in that institute
Master control borad is stated by I2C bus marco external data capture cards, the data in data collecting card are transferred to master by the SSI buses
Control plate.
10. a kind of multipurpose Low-power-consumptiocontrol control method for dynamic characteristic test, it is characterised in that including：
On master control borad after electricity, Linux system is loaded from onboard eMMC memory modules in DDR3 SDRAM；
Under Linux system control, arm processor controls external data capture card, including acquisition parameter to set, open by I2C
Begin to gather and stop collection；
The real-time data collection that data collecting card sends is received by SSI buses；
Arm processor is buffered in internal memory after receiving data；And
Data is activation is gone out by wireless network.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111694781A (en) * | 2020-04-21 | 2020-09-22 | 恒信大友（北京）科技有限公司 | ARM main control board based on data acquisition system |
| CN112881792A (en) * | 2021-01-08 | 2021-06-01 | 上海昊博影像科技有限公司 | Power consumption detection device for flat panel detector |
| CN113282439A (en) * | 2021-05-08 | 2021-08-20 | 成都佰维存储科技有限公司 | eMMC test method, device, readable storage medium and electronic equipment |
| CN115793624A (en) * | 2023-02-15 | 2023-03-14 | 成都菁蓉联创科技有限公司 | Test board card applied to data acquisition card and data test method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201122849Y (en) * | 2007-12-05 | 2008-09-24 | 沈阳东软医疗系统有限公司 | Dynamic monitoring apparatus for inside DC-DC unit of monitor |
| CN102761605A (en) * | 2012-06-12 | 2012-10-31 | 上海市电力公司 | Intelligent communication terminal for data acquisition of power grid |
| CN104238385A (en) * | 2013-06-20 | 2014-12-24 | 上海厚凯实业有限公司 | Multifunctional control device for handheld detection device |
-
2016
- 2016-12-12 CN CN201611144658.5A patent/CN106773948A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201122849Y (en) * | 2007-12-05 | 2008-09-24 | 沈阳东软医疗系统有限公司 | Dynamic monitoring apparatus for inside DC-DC unit of monitor |
| CN102761605A (en) * | 2012-06-12 | 2012-10-31 | 上海市电力公司 | Intelligent communication terminal for data acquisition of power grid |
| CN104238385A (en) * | 2013-06-20 | 2014-12-24 | 上海厚凯实业有限公司 | Multifunctional control device for handheld detection device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111694781A (en) * | 2020-04-21 | 2020-09-22 | 恒信大友（北京）科技有限公司 | ARM main control board based on data acquisition system |
| CN112881792A (en) * | 2021-01-08 | 2021-06-01 | 上海昊博影像科技有限公司 | Power consumption detection device for flat panel detector |
| CN113282439A (en) * | 2021-05-08 | 2021-08-20 | 成都佰维存储科技有限公司 | eMMC test method, device, readable storage medium and electronic equipment |
| CN113282439B (en) * | 2021-05-08 | 2023-05-23 | 成都佰维存储科技有限公司 | eMMC test method and device, readable storage medium and electronic equipment |
| CN115793624A (en) * | 2023-02-15 | 2023-03-14 | 成都菁蓉联创科技有限公司 | Test board card applied to data acquisition card and data test method |
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Application publication date: 20170531 |