CN203519799U - Power lithium battery pack working condition acquisition system - Google Patents
Power lithium battery pack working condition acquisition system Download PDFInfo
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- CN203519799U CN203519799U CN201320545453.3U CN201320545453U CN203519799U CN 203519799 U CN203519799 U CN 203519799U CN 201320545453 U CN201320545453 U CN 201320545453U CN 203519799 U CN203519799 U CN 203519799U
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Abstract
The utility model provides a power lithium battery pack working condition acquisition system. The system comprises an industrial embedded computer, an Ethernet acquisition controller and at least one voltage/current acquisition module. The voltage/current acquisition modules are correspondingly connected with power lithium battery packs to be detected one by one, and are connected to an Ethernet acquisition controller through an SPI bus interface. The industrial embedded computer controls the voltage/current acquisition modules via the Ethernet acquisition controller through the SPI bus interface to collect and acquire voltage and current data, and the voltage/current acquisition modules send the voltage and current data to the industrial embedded computer for processing and displaying. Each voltage/current acquisition module comprises an MCU, a voltage acquisition circuit, a current acquisition circuit and a power supply module. By employing the power lithium battery pack working condition acquisition system, power lithium battery pack working condition data can be rapidly, continuously and relevantly acquired.
Description
Technical field
The utility model relates to a kind of dynamic lithium battery group working condition acquiring system.
Background technology
Dynamic lithium battery group is used more and more, if one of critical component of electric automobile, hybrid-electric car, electri forklift etc. is exactly dynamic lithium battery group.Occasion, mode, state that different lithium battery groups is used are inconsistent, and the different phase watt level in the course of work is also different.As large in electric automobile electric current when starting, during climbing, electric current is also large, and level road enforcement electric current is less, and under various road conditions, power is not identical, and the monitoring of dynamic lithium battery group operating mode can be the lifting of dynamic lithium battery group performance data bases is provided, but current most test has following shortcoming:
1, collection is quick not, can not show the transient change of operating mode;
2, between acquisition parameter, there is no synchronization association;
3, can only gather certain independent, to be interrupted data, the data such as voltage that can not continuous recording association, electric current.
Utility model content
The technical problems to be solved in the utility model, is to provide a kind of dynamic lithium battery group working condition acquiring system, rapidly, continuously, associatedly gathers dynamic lithium battery group floor data.
The utility model is achieved in that a kind of dynamic lithium battery group working condition acquiring system, comprise industrial inserted computer, Ethernet acquisition controller and at least one electric current and voltage acquisition module, described electric current and voltage acquisition module and tested dynamic lithium battery group connect one to one, and connect described Ethernet acquisition controller by spi bus interface; Described industrial inserted computer controls through spi bus interface collection and the collection that described electric current and voltage acquisition module carries out voltage, current data by Ethernet acquisition controller, and voltage, current data are sent to described industrial inserted computer process and display; Described electric current and voltage acquisition module comprises a MCU, a voltage collection circuit, a current collection circuit and a power module; Described MCU is connected with current collection circuit with voltage collection circuit respectively, and described power module is respectively MCU and current collection circuit power supply; Described MCU also connects described Ethernet acquisition controller; Described MCU controls described voltage collection circuit and current collection circuit automatic synchronization Quick Acquisition voltage, current parameters, then is sent to industrial inserted computer by Ethernet acquisition controller.
Further, described voltage collection circuit further comprises voltage collector, first signal attenuator and the ADC module connecting successively, and described ADC module connects described MCU.Between described first signal attenuator and an ADC module, also connect a first signal bipolar processes device.
Further, described current collection circuit further comprises current sensor, secondary signal attenuator and the 2nd ADC module connecting successively, and described the 2nd ADC module connects described MCU.Between described secondary signal attenuator and the 2nd ADC module, also connect a secondary signal bipolar processes device.
Further, described current sensor is Hall current sensor, and described power module is provide ± 12V of this Hall current sensor power supply; Described power module provides 5V power supply for described MCU.
Further, dynamic lithium battery group working condition acquiring system of the present utility model also comprises at least one temperature collect module, described temperature collect module and tested dynamic lithium battery group connect one to one, and connect described Ethernet acquisition controller by spi bus interface; Described industrial inserted computer controls through spi bus interface collection and the collection that described temperature collect module carries out temperature data by Ethernet acquisition controller, and temperature data is sent to described industrial inserted computer processs and displays.
Further, described industrial inserted computer comprises that to the processing of measurement data record and splicing, described splicing refer to that voltage, electric current and temperature data that different each electric current and voltage acquisition modules of period, temperature collect module are gathered splice respectively, and forms collection of illustrative plates and show.
The utlity model has following advantage: this dynamic lithium battery group working condition acquiring system, its electric current and voltage acquisition module utilizes MCU to control voltage collection circuit and current collection circuit, can realize voltage, the collection of electric current Fast synchronization, and be sent to industrial inserted computer by Ethernet acquisition controller, can long-time continuous record voltage, the current data collecting.Can gather in real time, exactly change in voltage in use of lithium battery group, curent change etc., the foundation that the process of lithium battery use is analyzed can be provided, data are through processing and the demonstration of industrial inserted computer, can improve analysis precision, accuracy, the reliability of the situation of dynamic lithium battery group work, and test reference is provided for specific aim.
Accompanying drawing explanation
The utility model is further described with reference to the accompanying drawings in conjunction with the embodiments.
Fig. 1 is the theory diagram of the utility model dynamic lithium battery group working condition acquiring system one embodiment.
Fig. 2 is the theory diagram of the utility model electric current and voltage acquisition module one embodiment.
Embodiment
Refer to Fig. 1 and Fig. 2, one embodiment of dynamic lithium battery group working condition acquiring system of the present utility model, comprise industrial inserted computer 1, Ethernet acquisition controller 2 and plurality of voltages current acquisition module 3, multiplex temperature collection module 4, described electric current and voltage acquisition module 3, temperature collect module 4 connect one to one with tested dynamic lithium battery group (not shown) respectively, and connect described Ethernet acquisition controller 2 by spi bus interface 5; On described industrial inserted computer, move acquisition software, by Ethernet acquisition controller 2, through spi bus interface 5 control acquisition rates, collection, start, stop etc., described electric current and voltage acquisition module 3, temperature collect module 4 carry out collection and the collection of voltage, current data and temperature data, and voltage, current data and temperature data are sent to described industrial inserted computer 1 process and display.Wherein, described electric current and voltage acquisition module 3, temperature collect module 4 connect one to one and refer to that the quantity of electric current and voltage acquisition module 3 and temperature collect module 4 can be according to the next corresponding setting of the quantity of tested dynamic lithium battery group with tested dynamic lithium battery group respectively.
Mainly as shown in Figure 2, described electric current and voltage acquisition module 3 comprises a MCU31, a voltage collection circuit 32, a current collection circuit 33 and a power module 34; Described MCU31 is connected with current collection circuit 33 with voltage collection circuit 32 respectively, and described power module 34 is respectively MCU31 and current collection circuit 33 power supplies; Described MCU31 also connects described Ethernet acquisition controller 2; Described MCU31 controls described voltage collection circuit 32 and current collection circuit 33 automatic synchronization Quick Acquisition voltages, current parameters, then is sent to industrial inserted computer 1 by Ethernet acquisition controller 2.
Described voltage collection circuit 32 further comprises voltage collector 321, first signal attenuator 322 and the ADC module 323 connecting successively, and described ADC module 323 connects described MCU31.The voltage of 321 pairs of tested dynamic lithium battery groups of described voltage collector is measured, and the voltage data of gained is changed by an ADC module 323 after 322 decay of first signal attenuator, then sends to described MCU31.Between described first signal attenuator 322 and an ADC module 323, also connect a first signal bipolar processes device 324, to prevent that the both positive and negative polarity of first signal attenuator 322 from connecing instead.
Described current collection circuit 33 further comprises current sensor 331, secondary signal attenuator 332 and the 2nd ADC module 333 connecting successively, and described the 2nd ADC module 333 connects described MCU31.The electric current of 331 pairs of tested dynamic lithium battery groups of described current sensor is measured, and the current data of gained is changed by the 2nd ADC module 333 after 332 decay of secondary signal attenuator, then sends to described MCU31.Between described secondary signal attenuator 332 and the 2nd ADC module 333, also connect a secondary signal bipolar processes device 334, to prevent that secondary signal attenuator 332 both positive and negative polarities from connecing instead.
Wherein, described current sensor 331 is Hall current sensor, makes the precision of measurement higher, and described power module 34 is provide ± 12V of this Hall current sensor power supply; Described power module 34 provides 5V power supply for described MCU31.
The processing of 1 pair of measurement data of described industrial inserted computer comprises that record and splicing, described splicing refer to that voltage, electric current and temperature data that different each electric current and voltage acquisition modules 3 of period, temperature collect module 4 are gathered splice respectively, and forms collection of illustrative plates and show.By the acquisition software on described industrial inserted computer, can set the condition of collection, during as the time period gathering, parking, not gather etc.
In sum, dynamic lithium battery group working condition acquiring system of the present utility model, its electric current and voltage acquisition module utilizes MCU to control voltage collection circuit and current collection circuit, can realize voltage, the collection of electric current Fast synchronization, and be sent to industrial inserted computer by Ethernet acquisition controller, can long-time continuous record voltage, the current data collecting.Can gather in real time, exactly change in voltage in use of lithium battery group, curent change etc., the foundation that the process of lithium battery use is analyzed can be provided, data are through processing and the demonstration of industrial inserted computer, can improve analysis precision, accuracy, the reliability of the situation of dynamic lithium battery group work, and test reference is provided for specific aim.
Although more than described embodiment of the present utility model; but being familiar with those skilled in the art is to be understood that; our described specific embodiment is illustrative; rather than for the restriction to scope of the present utility model; those of ordinary skill in the art are in equivalent modification and the variation done according to spirit of the present utility model, all should be encompassed in the scope that claim of the present utility model protects.
Claims (7)
1. a dynamic lithium battery group working condition acquiring system, it is characterized in that: comprise industrial inserted computer, Ethernet acquisition controller and at least one electric current and voltage acquisition module, described electric current and voltage acquisition module and tested dynamic lithium battery group connect one to one, and connect described Ethernet acquisition controller by spi bus interface; Described industrial inserted computer controls through spi bus interface collection and the collection that described electric current and voltage acquisition module carries out voltage, current data by Ethernet acquisition controller, and voltage, current data are sent to described industrial inserted computer process and display;
Described electric current and voltage acquisition module comprises a MCU, a voltage collection circuit, a current collection circuit and a power module; Described MCU is connected with current collection circuit with voltage collection circuit respectively, and described power module is respectively MCU and current collection circuit power supply; Described MCU also connects described Ethernet acquisition controller; Described MCU controls described voltage collection circuit and current collection circuit automatic synchronization Quick Acquisition voltage, current parameters, then is sent to industrial inserted computer by Ethernet acquisition controller.
2. dynamic lithium battery group working condition acquiring system according to claim 1, it is characterized in that: described voltage collection circuit further comprises voltage collector, first signal attenuator and the ADC module connecting successively, and described ADC module connects described MCU.
3. dynamic lithium battery group working condition acquiring system according to claim 2, is characterized in that: between described first signal attenuator and an ADC module, also connect a first signal bipolar processes device.
4. dynamic lithium battery group working condition acquiring system according to claim 1 and 2, it is characterized in that: described current collection circuit further comprises current sensor, secondary signal attenuator and the 2nd ADC module connecting successively, and described the 2nd ADC module connects described MCU.
5. dynamic lithium battery group working condition acquiring system according to claim 4, is characterized in that: between described secondary signal attenuator and the 2nd ADC module, also connect a secondary signal bipolar processes device.
6. dynamic lithium battery group working condition acquiring system according to claim 4, is characterized in that: described current sensor is Hall current sensor, and described power module is provide ± 12V of this Hall current sensor power supply; Described power module provides 5V power supply for described MCU.
7. dynamic lithium battery group working condition acquiring system according to claim 1, it is characterized in that: also comprise at least one temperature collect module, described temperature collect module and tested dynamic lithium battery group connect one to one, and connect described Ethernet acquisition controller by spi bus interface; Described industrial inserted computer controls through spi bus interface collection and the collection that described temperature collect module carries out temperature data by Ethernet acquisition controller, and temperature data is sent to described industrial inserted computer processs and displays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320545453.3U CN203519799U (en) | 2013-09-03 | 2013-09-03 | Power lithium battery pack working condition acquisition system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320545453.3U CN203519799U (en) | 2013-09-03 | 2013-09-03 | Power lithium battery pack working condition acquisition system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472399A (en) * | 2013-09-03 | 2013-12-25 | 福州开发区星云电子自动化有限公司 | Working condition collection system of power lithium battery packs |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472399A (en) * | 2013-09-03 | 2013-12-25 | 福州开发区星云电子自动化有限公司 | Working condition collection system of power lithium battery packs |
| CN103472399B (en) * | 2013-09-03 | 2015-12-02 | 福建星云电子股份有限公司 | Dynamic lithium battery group working condition acquiring system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: FUJIAN NEBULA ELECTRONIC CO., LTD. Free format text: FORMER NAME: FUZHOU DEVELOPMENT ZONE XINGYUN ELECTRONIC AUTOMATION CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 350000 Productivity Promotion Center, No. 8, star hair Road, Mawei District, Fujian, Fuzhou 3, 304 Patentee after: FUJIAN NEBULA ELECTRONICS CO., LTD. Address before: 350000 Productivity Promotion Center, 8 star road, Mawei District, Fujian, Fuzhou 3, China, 304 Patentee before: Fuzhou Development Zone Xingyun Electronic Automation Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20150903 |
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| EXPY | Termination of patent right or utility model |