CN104753090B - portable power source management device based on digital signal processing - Google Patents

portable power source management device based on digital signal processing Download PDF

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Publication number
CN104753090B
CN104753090B CN201310728827.XA CN201310728827A CN104753090B CN 104753090 B CN104753090 B CN 104753090B CN 201310728827 A CN201310728827 A CN 201310728827A CN 104753090 B CN104753090 B CN 104753090B
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China
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voltage
unit
compact power
digital signal
signal processing
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CN201310728827.XA
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CN104753090A (en
Inventor
常山
王敬焘
陈国成
王俊峰
温和
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RADIOSKY (BEIJING) TECHNOLOGY Co.,Ltd.
THE STATE RADIO MONITORING CENTER TESTING CENTER
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RADIOSKY RADIO EQUIPMENT TESTING (BEIJING) CO Ltd
STATE RADIO MONITORING CENTER TESTING CENTER
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Abstract

The embodiments of the invention provide a kind of portable power source management device based on Digital Signal Processing.The device mainly includes:Digital signal processing unit, voltage sampling unit, Sampling Interface unit and display processing unit, voltage sampling unit carries out AD sampling processings to compact power voltage signal, the magnitude of voltage of compact power is obtained, the magnitude of voltage of compact power is transferred to digital signal processing unit;The magnitude of voltage for the compact power that digital signal processing unit transmits voltage sampling unit and voltage threshold scope set in advance are compared, the voltage status information of compact power is determined according to comparative result, the voltage status information and magnitude of voltage of compact power are transferred to display processing unit.The embodiment of the present invention is controlled, to ensure the safe handling of the compact powers such as battery pack by DSP control chips and related voltage, electric current, temperature sampling electric current to the overall discharge and recharge of battery.

Description

Portable power source management device based on Digital Signal Processing
Technical field
DSP is based on the present invention relates to technical field of power management, more particularly to one kind(digital singnal Processor, Digital Signal Processing)Portable power source management device.
Background technology
With the development of instrument and meter, more test use environments are not solely restricted in the environment of laboratory, some The outdoor instrument and equipment used is needed to need to use portable independent current source to be powered to ensure normal work.
The application field of lithium battery is more and more extensive, and various instrument and equipments are applied to the power supply of lithium battery, by multiple lithiums Battery is connected in series, and can constitute lithium battery group, and the problem of management for batteries such as lithium battery, lithium battery groups is more weighed Will.At present, a variety of portable sets use compact power, such as lithium battery group is powered, to solve electric quantity of single batteries Not enough the problem of, but because equipment this save space limitation, the management of lithium battery group are ignored, the safety of lithium battery group is not protected Barrier.Therefore, it is highly important to develop a kind of device that effective security management is carried out to compact powers such as batteries.
The content of the invention
The embodiment provides a kind of portable power source management device based on DSP, to realize to battery etc. just Take formula power supply and carry out effective security management.
The invention provides following scheme:
A kind of portable power source management device based on Digital Signal Processing, including:Digital signal processing unit, voltage are adopted Sample unit, Sampling Interface unit and display processing unit,
Described Sampling Interface unit, for being connected by the sampling plate of connector and compact power, obtains described adopt The compact power voltage signal that model is provided, the voltage sampling unit is transferred to by the compact power voltage signal;
Described voltage sampling unit, under the control of the digital signal processing unit to the compact power Voltage signal carries out AD sampling processings, obtains the magnitude of voltage of compact power, the magnitude of voltage of the compact power is transferred to Digital signal processing unit;
Described digital signal processing unit, for the electricity for the compact power for transmitting the voltage sampling unit Pressure value and voltage threshold scope set in advance are compared, and the voltage status of the compact power is determined according to comparative result Information, display processing unit is transferred to by the voltage status information and magnitude of voltage of the compact power;
Described display processing unit, for the compact power for transmitting the digital signal processing unit Voltage status information and magnitude of voltage shown.
Described device also includes:Current sampling unit,
Described Sampling Interface unit, is additionally operable to obtain the compact power charging and discharging currents signal of sampling plate offer, will The compact power charging and discharging currents signal is transferred to the current sampling unit;
Described current sampling unit, under the control of the digital signal processing unit to the compact power Charging and discharging currents signal carries out AD sampling processings, the charging and discharging currents value of compact power is obtained, by the compact power Charging and discharging currents value is transferred to digital signal processing unit;
Described digital signal processing unit, the compact power for being additionally operable to transmit the current sampling unit Charging and discharging currents value and threshold scope set in advance are compared, and the compact power is determined according to comparative result Current state information, display processing unit is transferred to by the current state information of the compact power and charging and discharging currents value;
Described display processing unit, is additionally operable to the portable electric for transmitting the digital signal processing unit The current state information and charging and discharging currents value in source are shown.
Described device also includes:Temperature measurement unit,
Described temperature measurement unit, for measuring portable electric respectively using Sampling Interface unit by temperature sensor The inside and outside temperature value in source, the data signal is transferred to by the inside and outside temperature value of the compact power Processing unit;
Described digital signal processing unit, the compact power for being additionally operable to transmit the temperature measurement unit Internal, outside temperature value and predetermined temperature threshold range is compared, and is determined according to comparative result described portable The state of temperature information of power supply, the state of temperature information of the compact power and internal, outside temperature value is transferred to aobvious Show processing unit;
Described display processing unit, for the compact power for transmitting the digital signal processing unit State of temperature information and internal, outside temperature value shown.
Described device also includes:
Storage circuit, it is described for the control parameter for storing the safeguard protection of described device, controlling threshold values, measuring range Control threshold value includes:Voltage threshold scope, threshold scope, temperature threshold scope.
Described device also includes:
CAN unit, leads to for providing serial data for progress data exchange between the unit in described device Believe agreement.
Described CAN includes:Twisted-pair feeder, coaxial cable or optical fiber.
Described device also includes:
Power circuit, for being powered for the unit in described device.
Described compact power includes:Lithium battery.
The embodiment of the present invention is by by data signal it can be seen from the technical scheme that embodiments of the invention described above are provided Processing unit, voltage sampling unit, Sampling Interface unit and display processing unit are integrated in a portable power source management device In, realize the management to compact powers such as battery packs, it is ensured that demand and battery of the portable set for higher electricity Deng the security management of compact power, by DSP control chips and related voltage, electric current, temperature sampling electric current, to battery Overall discharge and recharge is controlled, and realizes and effective security management is carried out to compact powers such as batteries, to ensure battery The safe handling of the compact powers such as group.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, being used required in being described below to embodiment Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this For the those of ordinary skill of field, without having to pay creative labor, other can also be obtained according to these accompanying drawings Accompanying drawing.
Fig. 1 is a kind of structural representation of the portable power source management device based on DSP provided in an embodiment of the present invention;
Fig. 2 should for a kind of dsp chip TMS320LF2407A provided in an embodiment of the present invention AD dedicated ports AD6 part Use electrical block diagram;
Fig. 3 is a kind of certain applications circuit structure of the logical control I/O circuit of voltage sample electric separation provided in an embodiment of the present invention Schematic diagram;
Fig. 4 is a kind of certain applications circuit knot of digital temperature sensor DS18B20 measurement provided in an embodiment of the present invention Structure schematic diagram;
Fig. 5 is a kind of DSP digital processing chips TMS320LF2407A certain applications circuit provided in an embodiment of the present invention Structural representation;.
Fig. 6 is that a kind of ferroelectric memory chip FM31256 certain applications circuit structure provided in an embodiment of the present invention shows It is intended to;
Fig. 7 is a kind of workflow diagram of the portable power source management device based on DSP provided in an embodiment of the present invention.
Embodiment
For ease of the understanding to the embodiment of the present invention, done below in conjunction with accompanying drawing by taking several specific embodiments as an example further Explanation, and each embodiment does not constitute the restriction to the embodiment of the present invention.
DSP(Digital Singnal Processor, Digital Signal Processing)A kind of unique microprocessor, be with Data signal handles the device of bulk information.Its operation principle is to receive analog signal, is converted to 0 or 1 data signal, then Data signal is modified, delete, strengthened, and numerical data is interpreted back analogue data or reality in other systems chip Environment form.It is not only programmable, and when in fact the speed of service up to per number of seconds with ten million bar complicated order program, It is the computer chip become more and more important in the digitalized electron world considerably beyond general purpose microprocessor.Its powerful data processing energy Power and the high speed of service, are two most commendable big characteristics.
The embodiments of the invention provide a kind of portable power source management device based on DSP, the device uses hardware circuit Combining form is designed, completes to work to the monitoring management of the voltage, temperature measurement unit and storage circuit of compact power, it is above-mentioned Compact power can include:The batteries such as lithium battery.The structural representation of said apparatus as shown in figure 1, including:
Sampling Interface unit, for temperature measurement unit, voltage sampling unit, current sampling unit, power subsystem, DSP unit is connected, and is connected by connector with sampling plate, obtains the compact power voltage signal, portable that sampling plate is provided Power supply charging and discharging currents signal etc., voltage sampling unit is transferred to by compact power voltage signal, by compact power charge and discharge Electric current signal transfer is to current sampling unit.A kind of AD dedicated ports for dsp chip TMS320LF2407A that the embodiment is provided AD6 certain applications electrical block diagram is as shown in Fig. 2 in actual applications, can use above-mentioned dsp chip TMS320LF2407A AD dedicated ports are used as compact power voltage and the AD Sampling Interface units of charging and discharging currents.
Voltage sampling unit, for being connected with Sampling Interface unit, power circuit and DSP unit, receives Sampling Interface list The compact power voltage signal that member is transmitted, is carried out under the control of DSP unit to the compact power voltage signal AD(Modulus)Sampling processing, obtains the magnitude of voltage of compact power.The magnitude of voltage of above-mentioned compact power is transferred to DSP mono- Member.The logical control I/O circuit of voltage sample electric separation shown in 3.The logical control I/O circuit of a kind of voltage sample electric separation that the embodiment is provided Certain applications electrical block diagram is as shown in figure 3, in by the use of DSP2407A I/O port IOPB0~IOPB6 as sampling plate The drive signal of relay array, wherein I O port line high level H represent that ON, low level L represent OFF.
Current sampling unit, for being connected with Sampling Interface unit, power circuit and DSP unit, receives Sampling Interface list The compact power charging and discharging currents signal that member is transmitted, to the compact power discharge and recharge under the control of DSP unit Current signal carries out AD sampling processings, obtains the charging and discharging currents value of compact power.By the discharge and recharge of above-mentioned compact power Current value is transferred to DSP unit.
Temperature measurement unit, for being connected with Sampling Interface unit, power circuit and DSP unit, passes through temperature sensor Measure the inside and outside temperature value of compact power respectively using Sampling Interface unit.By the inside of above-mentioned compact power DSP unit is transferred to outside temperature value.Said temperature sensor can be digital temperature sensor DS18B20, the implementation A kind of certain applications electrical block diagram for digital temperature sensor DS18B20 measurement that example is provided is as shown in figure 4, power supply mould + 5V the electricity of block HZD05B-24S05 outputs is powered for the power supply of temperature sensor and thermometric peripheral circuit.
DSP unit, and temperature measurement unit, voltage sampling unit, storage circuit, CAN interface circuit and power supply electricity Road is connected, and the device is main using high performance DSP TMS320LF2407A as central processing unit, and around DSP unit design Peripheral function circuit, by software control voltage, electric current, temperature sampling, the control of sequential, the processing of data, algorithm flow Execution, and the CAN with liquid crystal(Controller local area network, Controller Area Network)Bus communication etc..The reality The certain applications electrical block diagram for applying a kind of DSP digital processing chips TMS320LF2407A of example offer is as shown in Figure 5.
Described digital signal processing unit, for the electricity for the compact power for transmitting the voltage sampling unit Pressure value and voltage threshold scope set in advance are compared, and the voltage status of the compact power is determined according to comparative result Information, display processing unit is transferred to by the voltage status information and magnitude of voltage of the compact power;
The charging and discharging currents value and electric current set in advance for the compact power that the current sampling unit is transmitted Threshold range is compared, and the current state information of the compact power is determined according to comparative result, by the portable electric The current state information and charging and discharging currents value in source are transferred to display processing unit;
The inside of the compact power that the temperature measurement unit is transmitted, outside temperature value with it is set in advance Temperature threshold scope is compared, and the state of temperature information of the compact power is determined according to comparative result, will be described portable The state of temperature information of formula power supply and internal, outside temperature value are transferred to display processing unit.
Display processing unit, for being connected with DSP unit, power subsystem, the digital signal processing unit is transmitted across The voltage status information and magnitude of voltage, current state information and charging and discharging currents value, state of temperature of the compact power come Information and internal, outside temperature value are shown.In actual applications, above-mentioned display processing unit can pass through liquid crystal display Device can be referred to the magnitude of voltage, charging and discharging currents value and the inside that show above-mentioned compact power, outside temperature value by state Show lamp to show above-mentioned voltage status information, current state information and state of temperature information.
Power circuit, and DSP unit, temperature measurement unit, voltage sampling unit, storage circuit, display processing unit, CAN interface circuit is connected, and is DSP unit, temperature measurement unit, voltage sampling unit, storage circuit, display processing list Member, CAN interface circuit are powered.In actual applications, HZD05B-24S05 can be used to provide+5V for control circuit Power supply.By a piece of power supply chip TPS7333Q, by+5V voltage step-downs to+3.3V, for giving dsp chip TMS320LF2407A Power supply;The use of one piece of IB0505LS-W25 insulating power supply is that CAN unit is powered.
Storage circuit, for being connected with power circuit and DSP unit, for storing safeguard protection, control threshold values, measurement amount The important control parameter such as journey.In actual applications, above-mentioned storage circuit can be using ferroelectric memory chip FM31256 come real It is existing, a kind of certain applications electrical block diagram such as Fig. 6 institutes for above-mentioned ferroelectric memory chip FM31256 that the embodiment is provided Show, dsp chip TMS320LF2407A two I/O ports of IOPC3 and IOPC5 are used to communicate with memory chip FM31256, to it It is written and read operation.
CAN unit, for being connected with power circuit, DSP unit.For between the unit in device carry out Data exchange provides a kind of serial data communication agreement, is a kind of multi-master bus, communication media can be twisted-pair feeder, coaxial cable Or optical fiber, traffic rate reaches as high as 1Mbps.In actual applications, chip I SO1050 can be used as CAN Communicate special interface circuit.Dsp chip TMS320LF2407A passes through the special I/O port CANTX and CANRX of CAN and chip ISO1050 is communicated, and communications protocol and data processing are realized by software;It is used for CAN using an inductance ACT45B_510_2P total The filtering of line;The terminal coupling resistance of CAN is used as using 120 Ω resistance;Use one piece of IB0505LS-W25 insulating power supply Powered for CAN unit.
Said apparatus is based on hardware circuit, according to the voltage, electric current, temperature of the compact powers such as the battery collected The safety of compact power, discharge and recharge and status display are managed Deng characteristic information, specific software workflow figure is such as Shown in Fig. 7.
In summary, the embodiment of the present invention is by by digital signal processing unit, voltage sampling unit, Sampling Interface unit It is integrated in display processing unit in a portable power source management device, realizes the pipe to compact powers such as battery packs Reason, it is ensured that portable set is controlled for the security management of the compact powers such as the demand and battery of higher electricity by DSP Coremaking piece and related voltage, electric current, temperature sampling electric current, are controlled to the overall discharge and recharge of battery, realize to battery Effective security management is carried out Deng compact power, to ensure the safe handling of the compact powers such as battery pack.
The device of the embodiment of the present invention is particularly suitable for use in the management to portable power supplies, is the confession of relatively high power portable set Electric problem provides a solution, and safety control circuit is managed with internal circuit, can be to control information, sample information Shown in real time, realize the monitoring management to the voltage, electric current, temperature of multichannel lithium battery and display.Moved available for various Inside dynamic convenient test equipment, low pressure stable power-supplying is provided for other current consuming apparatus.
One of ordinary skill in the art will appreciate that:Accompanying drawing be module in the schematic diagram of one embodiment, accompanying drawing or Flow is not necessarily implemented necessary to the present invention.
As seen through the above description of the embodiments, those skilled in the art can be understood that the present invention can Realized by the mode of software plus required general hardware platform.Understood based on such, technical scheme essence On the part that is contributed in other words to prior art can be embodied in the form of software product, the computer software product It can be stored in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are to cause a computer equipment (Can be personal computer, server, or network equipment etc.)Perform some of each of the invention embodiment or embodiment Method described in part.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.Especially for device or For system embodiment, because it is substantially similar to embodiment of the method, so describing fairly simple, related part is referring to method The part explanation of embodiment.Apparatus and system embodiment described above is only schematical, wherein the conduct The unit that separating component illustrates can be or may not be it is physically separate, the part shown as unit can be or Person may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Can root Some or all of module therein is factually selected to realize the purpose of this embodiment scheme the need for border.Ordinary skill Personnel are without creative efforts, you can to understand and implement.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims It is defined.

Claims (7)

1. a kind of portable power source management device based on Digital Signal Processing, it is characterised in that including:Digital Signal Processing list Member, voltage sampling unit, Sampling Interface unit and display processing unit,
Described Sampling Interface unit, for being connected by the sampling plate of connector and compact power, obtains the sampling plate The compact power voltage signal of offer, the voltage sampling unit is transferred to by the compact power voltage signal;
Described voltage sampling unit, under the control of the digital signal processing unit to the compact power voltage Signal carries out AD sampling processings, obtains the magnitude of voltage of compact power, the magnitude of voltage of the compact power is transferred into numeral Signal processing unit;
Described digital signal processing unit, for the magnitude of voltage for the compact power for transmitting the voltage sampling unit It is compared with voltage threshold scope set in advance, the voltage status for determining the compact power according to comparative result is believed Breath, display processing unit is transferred to by the voltage status information and magnitude of voltage of the compact power;
Described display processing unit, for the electricity for the compact power for transmitting the digital signal processing unit Pressure condition information and magnitude of voltage are shown;
Described device also includes:Temperature measurement unit,
Described temperature measurement unit, for measuring compact power respectively using Sampling Interface unit by temperature sensor Inside and outside temperature value, the Digital Signal Processing is transferred to by the inside and outside temperature value of the compact power Unit;
Described digital signal processing unit, is additionally operable in the compact power that transmits the temperature measurement unit Portion, outside temperature value and predetermined temperature threshold range are compared, and the portable electric is determined according to comparative result The state of temperature information in source, display is transferred to by the state of temperature information of the compact power and internal, outside temperature value Processing unit;
Described display processing unit, for the temperature for the compact power for transmitting the digital signal processing unit Degree status information and internal, outside temperature value are shown.
2. the portable power source management device according to claim 1 based on Digital Signal Processing, it is characterised in that described Device also include:Current sampling unit,
Described Sampling Interface unit, is additionally operable to obtain the compact power charging and discharging currents signal of sampling plate offer, will be described Compact power charging and discharging currents signal is transferred to the current sampling unit;
Described current sampling unit, under the control of the digital signal processing unit to the compact power charge and discharge Electric current signal carries out AD sampling processings, the charging and discharging currents value of compact power is obtained, by the charge and discharge of the compact power Electric current value is transferred to digital signal processing unit;
Described digital signal processing unit, is additionally operable to the charge and discharge of compact power for transmitting the current sampling unit Electric current value and threshold scope set in advance are compared, and the electric current of the compact power is determined according to comparative result Status information, display processing unit is transferred to by the current state information of the compact power and charging and discharging currents value;
Described display processing unit, the compact power for being additionally operable to transmit the digital signal processing unit Current state information and charging and discharging currents value are shown.
3. the portable power source management device according to claim 1 based on Digital Signal Processing, it is characterised in that described Device also include:
Storage circuit, for the control parameter for storing the safeguard protection of described device, controlling threshold values, measuring range, the control Threshold value includes:Voltage threshold scope, threshold scope, temperature threshold scope.
4. the portable power source management device according to claim 1 based on Digital Signal Processing, it is characterised in that described Device also include:
CAN unit, for providing serial data communication association to carry out data exchange between the unit in described device View.
5. the portable power source management device according to claim 4 based on Digital Signal Processing, it is characterised in that described CAN include:Twisted-pair feeder, coaxial cable or optical fiber.
6. the portable power source management device based on Digital Signal Processing according to any one of claim 1 to 5, its feature It is, described device also includes:
Power circuit, for being powered for the unit in described device.
7. the portable power source management device according to claim 1 based on Digital Signal Processing, it is characterised in that described Compact power include:Lithium battery.
CN201310728827.XA 2013-12-25 2013-12-25 portable power source management device based on digital signal processing Active CN104753090B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2824406Y (en) * 2005-07-07 2006-10-04 沈阳理工大学 Battery controller for hybrid power motor vehicle
CN201312132Y (en) * 2008-12-08 2009-09-16 杭州东冠通信建设有限公司 Control device of power supply system of wind-solar-diesel complementary off-network
CN103186109A (en) * 2011-12-31 2013-07-03 比亚迪股份有限公司 Control system for electric automobile and electric automobile with same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0713302A2 (en) * 2006-06-26 2012-04-17 Battelle Energy Alliance Llc system and method for storing energy

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2824406Y (en) * 2005-07-07 2006-10-04 沈阳理工大学 Battery controller for hybrid power motor vehicle
CN201312132Y (en) * 2008-12-08 2009-09-16 杭州东冠通信建设有限公司 Control device of power supply system of wind-solar-diesel complementary off-network
CN103186109A (en) * 2011-12-31 2013-07-03 比亚迪股份有限公司 Control system for electric automobile and electric automobile with same

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Address after: 100041, No. 3, West well road, Badachu hi tech park, Beijing, Shijingshan District

Co-patentee after: RADIOSKY (BEIJING) TECHNOLOGY Co.,Ltd.

Patentee after: THE STATE RADIO MONITORING CENTER TESTING CENTER

Address before: 100041, No. 3, West well road, Badachu hi tech park, Beijing, Shijingshan District

Co-patentee before: RADIOSKY TESTING SERVICES (BEIJING) Ltd.

Patentee before: THE STATE RADIO MONITORING CENTER TESTING CENTER