CN104753090A - Portable power management device based on digital signal processor - Google Patents
Portable power management device based on digital signal processor Download PDFInfo
- Publication number
- CN104753090A CN104753090A CN201310728827.XA CN201310728827A CN104753090A CN 104753090 A CN104753090 A CN 104753090A CN 201310728827 A CN201310728827 A CN 201310728827A CN 104753090 A CN104753090 A CN 104753090A
- Authority
- CN
- China
- Prior art keywords
- voltage
- digital signal
- unit
- processing unit
- compact power
- 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.)
- Granted
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
An embodiment of the invention provides a portable power management device based on a digital signal processor. The device mainly comprises a digital signal processing unit, a voltage sampling unit, a sampling interface unit and a display processing unit. The voltage sampling unit performs analog-digital (AD) sampling processing on a portable power voltage signal so as to obtain a voltage value of a portable power, and transmits the voltage value of the portable power to the digital signal processing unit. The digital signal processing unit compares the voltage value of the portable power transmitted by the voltage sampling unit with a preset voltage threshold range, determines voltage status information of the portable power according to a comparison result, and transmits the voltage status information of the portable power and the voltage value to the display processing unit. Through a digital signal processor (DSP) control chip and related voltage, current and temperature sampling current, overall charging and discharging of a battery are controlled, so that safe use of portable power like a battery pack is guaranteed.
Description
Technical field
The present invention relates to technical field of power management, particularly relate to a kind of based on DSP(digital singnalprocessor, Digital Signal Processing) portable power source management device.
Background technology
Along with the development of instrument and meter, under more test environment for use is not only confined to the environment in laboratory, some need the instrument and equipment of outdoor use to need to use portable independent current source to carry out powering to ensure normal work.
The application of lithium battery is more and more extensive, and various instrument and equipment is all applied to the power supply of lithium battery, is connected in series by multiple lithium battery, can form lithium battery group, for the problem of management ever more important of the batteries such as lithium battery, lithium battery group.At present, multiple portable set adopts compact power, and such as lithium battery group is powered, and to solve the problem of electric quantity of single batteries deficiency, but due to the restriction of this save space of equipment, the management of lithium battery group is left in the basket, and the safety of lithium battery group does not ensure.Therefore, it is very important for developing a kind of device carrying out effective security management to compact powers such as batteries.
Summary of the invention
The embodiment provides a kind of portable power source management device based on DSP, to realize carrying out effective security management to compact powers such as batteries.
The invention provides following scheme:
Based on a portable power source management device for Digital Signal Processing, comprising: digital signal processing unit, voltage sampling unit, Sampling Interface unit and display processing unit,
Described Sampling Interface unit, for being connected with the sampling plate of compact power by connector, is obtained the compact power voltage signal that described sampling plate provides, described compact power voltage signal is transferred to described voltage sampling unit;
Described voltage sampling unit, for carrying out AD sampling processing to described compact power voltage signal under the control of described digital signal processing unit, obtain the magnitude of voltage of compact power, the magnitude of voltage of described compact power is transferred to digital signal processing unit;
Described digital signal processing unit, magnitude of voltage for the compact power transmitted by described voltage sampling unit compares with the voltage threshold scope preset, determine the voltage status information of described compact power according to comparative result, the voltage status information of described compact power and magnitude of voltage are transferred to display processing unit;
Described display processing unit, shows for the voltage status information of described compact power that transmitted by described digital signal processing unit and magnitude of voltage.
Described device also comprises: current sampling unit,
Described Sampling Interface unit, also for obtaining the compact power charging and discharging currents signal that sampling plate provides, gives described current sampling unit by described compact power charging and discharging currents Signal transmissions;
Described current sampling unit, for carrying out AD sampling processing to described compact power charging and discharging currents signal under the control of described digital signal processing unit, obtain the charging and discharging currents value of compact power, the charging and discharging currents value of described compact power is transferred to digital signal processing unit;
Described digital signal processing unit, charging and discharging currents value also for the compact power transmitted by described current sampling unit compares with the threshold scope preset, determine the current state information of described compact power according to comparative result, the current state information of described compact power and charging and discharging currents value are transferred to display processing unit;
Described display processing unit, also shows for the current state information of described compact power that transmitted by described digital signal processing unit and charging and discharging currents value.
Described device also comprises: temperature measurement unit,
Described temperature measurement unit, for the inside and outside temperature value being utilized Sampling Interface unit to measure compact power respectively by temperature sensor, is transferred to described digital signal processing unit by the inside and outside temperature value of described compact power;
Described digital signal processing unit, also compare with the temperature threshold scope preset for the inside of compact power that described temperature measurement unit is transmitted, outside temperature value, determine the state of temperature information of described compact power according to comparative result, the state of temperature information of described compact power and inside, outside temperature value are transferred to display processing unit;
Described display processing unit, the state of temperature information for the described compact power transmitted by described digital signal processing unit shows with inner, outside temperature value.
Described device also comprises:
Memory circuit, for storing the safeguard protection of described device, controlling the controling parameters of threshold values, measurement range, described control threshold value comprises: voltage threshold scope, threshold scope, temperature threshold scope.
Described device also comprises:
CAN unit, for providing serial data communication agreement for carrying out exchanges data between the unit in described device.
Described CAN comprises: twisted-pair feeder, coaxial cable or optical fiber.
Described device also comprises:
Power circuit, for powering for the unit in described device.
Described compact power comprises: lithium battery.
The technical scheme provided as can be seen from the embodiment of the invention described above, the embodiment of the present invention is passed through digital signal processing unit, voltage sampling unit, Sampling Interface unit and display processing unit are integrated in a portable power source management device, achieve the management to compact powers such as battery pack, ensure that the security management of portable set for the compact power such as demand and battery of higher electricity, by DSP control chip and relevant voltage, electric current, temperature sampling electric current, cell integrated discharge and recharge is controlled, achieve and effective security management is carried out to compact powers such as batteries, to ensure the safe handling of the compact powers such as battery pack.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of portable power source management device based on DSP that Fig. 1 provides for the embodiment of the present invention;
The certain applications electrical block diagram of the AD dedicated port AD6 of a kind of dsp chip TMS320LF2407A that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 leads to the certain applications electrical block diagram controlling I/O circuit for a kind of voltage sample electric separation that the embodiment of the present invention provides;
The certain applications electrical block diagram that Fig. 4 measures for a kind of digital temperature sensor DS18B20 that the embodiment of the present invention provides;
The certain applications electrical block diagram of a kind of DSP digital processing chip TMS320LF2407A that Fig. 5 provides for the embodiment of the present invention; .
The certain applications electrical block diagram of a kind of ferroelectric memory chip FM31256 that Fig. 6 provides for the embodiment of the present invention;
The workflow diagram of a kind of portable power source management device based on DSP that Fig. 7 provides for the embodiment of the present invention.
Embodiment
For ease of the understanding to the embodiment of the present invention, be further explained explanation below in conjunction with accompanying drawing for several specific embodiment, and each embodiment does not form the restriction to the embodiment of the present invention.
DSP(Digital Singnal Processor, Digital Signal Processing) be a kind of microprocessor of uniqueness, be to process the device of bulk information with digital signal.Its operation principle receives analog signal, is converted to the digital signal of 0 or 1, then modifies to digital signal, delete, strengthen, and in other system chip, analogue data or actual environment form are returned in numerical data decipher.It is not only programmable, and time in fact, the speed of service can reach every number of seconds with ten million bar complicated order program, considerably beyond general purpose microprocessor, is the computer chip become more and more important in the digitalized electron world.Its powerful data-handling capacity and the high speed of service are two the most commendable large characteristics.
Embodiments provide a kind of portable power source management device based on DSP, this device adopts hardware circuit design combining form, complete the monitoring management work of the voltage to compact power, temperature measurement unit and memory circuit, above-mentioned compact power can comprise: the batteries such as lithium battery.The structural representation of said apparatus as shown in Figure 1, comprising:
Sampling Interface unit, for being connected with temperature measurement unit, voltage sampling unit, current sampling unit, power subsystem, DSP unit, be connected with sampling plate by connector, obtain compact power voltage signal, compact power charging and discharging currents signal etc. that sampling plate provides, compact power voltage signal is transferred to voltage sampling unit, by compact power charging and discharging currents Signal transmissions to current sampling unit.The certain applications electrical block diagram of the AD dedicated port AD6 of a kind of dsp chip TMS320LF2407A that this embodiment provides as shown in Figure 2, in actual applications, the AD dedicated port of above-mentioned dsp chip TMS320LF2407A can be used as the AD Sampling Interface unit of compact power voltage and charging and discharging currents.
Voltage sampling unit, for being connected with DSP unit with Sampling Interface unit, power circuit, receive the compact power voltage signal that Sampling Interface unit transmits, under the control of DSP unit, AD(modulus is carried out to described compact power voltage signal) sampling processing, obtain the magnitude of voltage of compact power.The magnitude of voltage of above-mentioned compact power is transferred to DSP unit.The electric separation of voltage sample shown in 3 is logical controls I/O circuit.A kind of voltage sample electric separation that this embodiment provides leads to the certain applications electrical block diagram of control I/O circuit as shown in Figure 3, utilize the drive singal of I/O port IOPB0 ~ IOPB6 as the relay array in sampling plate of DSP2407A, wherein I/O port line high level H represents ON, and low level L represents OFF.
Current sampling unit, for being connected with DSP unit with Sampling Interface unit, power circuit, receive the compact power charging and discharging currents signal that Sampling Interface unit transmits, under the control of DSP unit, AD sampling processing is carried out to described compact power charging and discharging currents signal, obtain the charging and discharging currents value of compact power.The charging and discharging currents value of above-mentioned compact power is transferred to DSP unit.
Temperature measurement unit, for being connected with DSP unit with Sampling Interface unit, power circuit, utilizes Sampling Interface unit to measure the inside and outside temperature value of compact power respectively by temperature sensor.The inside and outside temperature value of above-mentioned compact power is transferred to DSP unit.Said temperature transducer can be digital temperature sensor DS18B20, as shown in Figure 4 ,+5V the electricity that power module HZD05B-24S05 exports is used for the Power supply of temperature sensor and thermometric peripheral circuit to the certain applications electrical block diagram that a kind of digital temperature sensor DS18B20 that this embodiment provides is measured.
DSP unit, be connected with power circuit with temperature measurement unit, voltage sampling unit, memory circuit, CAN interface circuit, this device is mainly using high performance DSP TMS320LF2407A as central processing unit, and around DSP Unit Design peripheral function circuit, by the sampling of software control voltage, electric current, temperature, the control of sequential, the process of data, the execution of algorithm flow, and with the CAN(controller local area network of liquid crystal, Controller Area Network) bus communication etc.The certain applications electrical block diagram of a kind of DSP digital processing chip TMS320LF2407A that this embodiment provides as shown in Figure 5.
Described digital signal processing unit, magnitude of voltage for the compact power transmitted by described voltage sampling unit compares with the voltage threshold scope preset, determine the voltage status information of described compact power according to comparative result, the voltage status information of described compact power and magnitude of voltage are transferred to display processing unit;
The charging and discharging currents value of the compact power transmitted by described current sampling unit compares with the threshold scope preset, determine the current state information of described compact power according to comparative result, the current state information of described compact power and charging and discharging currents value are transferred to display processing unit;
Inside, the outside temperature value of the compact power transmitted by described temperature measurement unit compare with the temperature threshold scope preset, determine the state of temperature information of described compact power according to comparative result, the state of temperature information of described compact power and inside, outside temperature value are transferred to display processing unit.
Display processing unit, for being connected with DSP unit, power subsystem, the voltage status information of the described compact power transmitted by described digital signal processing unit and magnitude of voltage, current state information and charging and discharging currents value, state of temperature information and inside, outside temperature value show.In actual applications, above-mentioned display processing unit can show the magnitude of voltage of above-mentioned compact power, charging and discharging currents value and inside, outside temperature value by liquid crystal display, can show above-mentioned voltage status information, current state information and state of temperature information by status indicator lamp.
Power circuit, be connected with DSP unit, temperature measurement unit, voltage sampling unit, memory circuit, display processing unit, CAN interface circuit, for DSP unit, temperature measurement unit, voltage sampling unit, memory circuit, display processing unit, CAN interface circuit are powered.In actual applications, HZD05B-24S05 can be used to provide+5V to power for control circuit.By a slice power supply chip TPS7333Q, by+5V voltage step-down to+3.3V, power for giving dsp chip TMS320LF2407A; One piece of IB0505LS-W25 insulating power supply is used to power for CAN unit.
Memory circuit, for being connected with DSP unit with power circuit, for storage security protection, controls the important controling parameters such as threshold values, measurement range.In actual applications, above-mentioned memory circuit can adopt ferroelectric memory chip FM31256 to realize, the certain applications electrical block diagram of a kind of above-mentioned ferroelectric memory chip FM31256 that this embodiment provides as shown in Figure 6, IOPC3 and IOPC5 two I/O ports of dsp chip TMS320LF2407A are used for and memory chip FM31256 communication, carry out read-write operation to it.
CAN unit, for being connected with power circuit, DSP unit.For providing a kind of serial data communication agreement for carrying out exchanges data between the unit in device, be a kind of multi-master bus, communication media can be twisted-pair feeder, coaxial cable or optical fiber, and traffic rate reaches as high as 1Mbps.In actual applications, chip I SO1050 can be used as CAN communication special interface circuit.Dsp chip TMS320LF2407A passes through special I/O port CANTX and CANRX of CAN and chip I SO1050 communication, by software simulating communications protocol and data processing; An inductance ACT45B_510_2P is used to be used for the filtering of CAN; Use 120 Ω resistance as the terminal build-out resistor of CAN; One piece of IB0505LS-W25 insulating power supply is used to power for CAN unit.
Said apparatus is based on hardware circuit, and manage the safety of compact power, discharge and recharge and state display according to the characteristic information such as voltage, electric current, temperature of the compact powers such as the battery collected, concrete software workflow figure as shown in Figure 7.
In sum, the embodiment of the present invention is passed through digital signal processing unit, voltage sampling unit, Sampling Interface unit and display processing unit are integrated in a portable power source management device, achieve the management to compact powers such as battery pack, ensure that the security management of portable set for the compact power such as demand and battery of higher electricity, by DSP control chip and relevant voltage, electric current, temperature sampling electric current, cell integrated discharge and recharge is controlled, achieve and effective security management is carried out to compact powers such as batteries, to ensure the safe handling of the compact powers such as battery pack.
The device of the embodiment of the present invention is specially adapted to the management to portable power supplies, for the powerup issue of relatively high power portable set provides a solution, there is internal circuit Administrative Security control circuit, can show in real time control information, sample information, achieve the voltage to multichannel lithium battery, electric current, the monitoring management of temperature and display.Can be used for various mobile portable testing equipment inner, for other current consuming apparatus provide low pressure stable power-supplying.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required general hardware platform by software and realizes.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Especially, for device or system embodiment, because it is substantially similar to embodiment of the method, so describe fairly simple, relevant part illustrates see the part of embodiment of the method.Apparatus and system embodiment described above is only schematic, the wherein said unit illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (8)
1. based on a portable power source management device for Digital Signal Processing, it is characterized in that, comprising: digital signal processing unit, voltage sampling unit, Sampling Interface unit and display processing unit,
Described Sampling Interface unit, for being connected with the sampling plate of compact power by connector, is obtained the compact power voltage signal that described sampling plate provides, described compact power voltage signal is transferred to described voltage sampling unit;
Described voltage sampling unit, for carrying out AD sampling processing to described compact power voltage signal under the control of described digital signal processing unit, obtain the magnitude of voltage of compact power, the magnitude of voltage of described compact power is transferred to digital signal processing unit;
Described digital signal processing unit, magnitude of voltage for the compact power transmitted by described voltage sampling unit compares with the voltage threshold scope preset, determine the voltage status information of described compact power according to comparative result, the voltage status information of described compact power and magnitude of voltage are transferred to display processing unit;
Described display processing unit, shows for the voltage status information of described compact power that transmitted by described digital signal processing unit and magnitude of voltage.
2. the portable power source management device based on Digital Signal Processing according to claim 1, it is characterized in that, described device also comprises: current sampling unit,
Described Sampling Interface unit, also for obtaining the compact power charging and discharging currents signal that sampling plate provides, gives described current sampling unit by described compact power charging and discharging currents Signal transmissions;
Described current sampling unit, for carrying out AD sampling processing to described compact power charging and discharging currents signal under the control of described digital signal processing unit, obtain the charging and discharging currents value of compact power, the charging and discharging currents value of described compact power is transferred to digital signal processing unit;
Described digital signal processing unit, charging and discharging currents value also for the compact power transmitted by described current sampling unit compares with the threshold scope preset, determine the current state information of described compact power according to comparative result, the current state information of described compact power and charging and discharging currents value are transferred to display processing unit;
Described display processing unit, also shows for the current state information of described compact power that transmitted by described digital signal processing unit and charging and discharging currents value.
3. the portable power source management device based on Digital Signal Processing according to claim 1, it is characterized in that, described device also comprises: temperature measurement unit,
Described temperature measurement unit, for the inside and outside temperature value being utilized Sampling Interface unit to measure compact power respectively by temperature sensor, is transferred to described digital signal processing unit by the inside and outside temperature value of described compact power;
Described digital signal processing unit, also compare with the temperature threshold scope preset for the inside of compact power that described temperature measurement unit is transmitted, outside temperature value, determine the state of temperature information of described compact power according to comparative result, the state of temperature information of described compact power and inside, outside temperature value are transferred to display processing unit;
Described display processing unit, the state of temperature information for the described compact power transmitted by described digital signal processing unit shows with inner, outside temperature value.
4. the portable power source management device based on Digital Signal Processing according to claim 1, it is characterized in that, described device also comprises:
Memory circuit, for storing the safeguard protection of described device, controlling the controling parameters of threshold values, measurement range, described control threshold value comprises: voltage threshold scope, threshold scope, temperature threshold scope.
5. the portable power source management device based on Digital Signal Processing according to claim 1, it is characterized in that, described device also comprises:
CAN unit, for providing serial data communication agreement for carrying out exchanges data between the unit in described device.
6. the portable power source management device based on Digital Signal Processing according to claim 5, it is characterized in that, described CAN comprises: twisted-pair feeder, coaxial cable or optical fiber.
7. the portable power source management device based on Digital Signal Processing according to any one of claim 1 to 6, it is characterized in that, described device also comprises:
Power circuit, for powering for the unit in described device.
8. the portable power source management device based on Digital Signal Processing according to claim 1, it is characterized in that, described compact power comprises: lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728827.XA CN104753090B (en) | 2013-12-25 | 2013-12-25 | portable power source management device based on digital signal processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728827.XA CN104753090B (en) | 2013-12-25 | 2013-12-25 | portable power source management device based on digital signal processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104753090A true CN104753090A (en) | 2015-07-01 |
| CN104753090B CN104753090B (en) | 2017-09-15 |
Family
ID=53592368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310728827.XA Active CN104753090B (en) | 2013-12-25 | 2013-12-25 | portable power source management device based on digital signal processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104753090B (en) |
Citations (4)
| 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 |
| WO2008002413A2 (en) * | 2006-06-26 | 2008-01-03 | Battelle Energy Alliance, Llc | System and method for storing energy |
| 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 |
-
2013
- 2013-12-25 CN CN201310728827.XA patent/CN104753090B/en active Active
Patent Citations (4)
| 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 |
| WO2008002413A2 (en) * | 2006-06-26 | 2008-01-03 | Battelle Energy Alliance, Llc | System and method for storing energy |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104753090B (en) | 2017-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208707342U (en) | A kind of lithium battery protection board with communication function | |
| CN107179505A (en) | Cell health state detection means and method | |
| KR102426428B1 (en) | Monitoring system for series-connected battery cells | |
| CN1996701A (en) | Battery charging management system and method | |
| CN206099446U (en) | Distributed battery management system | |
| CN105098729B (en) | A kind of Intelligent lithium battery protection device and its control method | |
| CN106602638A (en) | Intelligent management system and method for lithium battery pack | |
| CN108146281A (en) | Power cell of vehicle set control system and its control method | |
| CN107870283A (en) | BMS wiring testing devices and method | |
| CN105162215A (en) | Distributed battery management system and method for lead-acid storage battery pack equalization | |
| CN108091794A (en) | 3 strings 2 and Li-ion batteries piles protection board | |
| CN105552456A (en) | Battery management system | |
| JP5583057B2 (en) | Battery module, battery pack system, battery adjustment method and program | |
| CN103033693B (en) | A kind of mobile terminal charging measurement system and method | |
| CN205304339U (en) | Intelligence lithium battery management system device based on BQ7694003 analog front end | |
| CN106655405A (en) | Charging maintenance structure and method of intelligent BMS lithium battery | |
| CN104733938A (en) | Multifunctional cable | |
| CN204287445U (en) | For the cell degradation detector of battery cell | |
| CN204030688U (en) | A kind of vehicle mounted battery management system | |
| CN103529390A (en) | Battery residual electric amount measuring device based on single-chip microcomputer | |
| CN203151186U (en) | Intelligent charging and discharging system for lithium battery and computer | |
| CN207215986U (en) | A kind of ice storing time system and battery monitor equipment | |
| CN103208657B (en) | Storage battery set on-line balancing and activating device based on handshaking technology communication | |
| CA2769143C (en) | Method and system for detecting power supply source electrical current capacity | |
| CN203773028U (en) | Battery performance inspection apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
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 |