CN104362690A - Direct current screen with lithium battery and charging system thereof - Google Patents
Direct current screen with lithium battery and charging system thereof Download PDFInfo
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- CN104362690A CN104362690A CN201410594487.0A CN201410594487A CN104362690A CN 104362690 A CN104362690 A CN 104362690A CN 201410594487 A CN201410594487 A CN 201410594487A CN 104362690 A CN104362690 A CN 104362690A
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Abstract
Disclosed is a direct current screen with a lithium battery and a charging system thereof. The direct current screen with the lithium battery and the charging system thereof comprises a direct current screen main monitoring system and a direct current power source, wherein a power source input end of the direct current power source is connected with a lithium battery module, the lithium battery module is further connected with a detection module used to collect voltage of the power source and a charging unit used to charge the lithium battery module, an output end of the detection module is connected with a monitoring unit used to receive signals collected by the detection module, process the signals and send an alarm, and an output end of the monitoring unit is connected with the direct current screen main monitoring system. The direct current screen with the lithium battery and the charging system thereof not only can meet capacity requirements, but also can greatly prolong use life, has the advantages of being high in capacity, free of maintenance, environmentally friendly, low in self discharge rate and the like, can be widely produced and popularized, and has important production practice significance.
Description
Technical field
The present invention relates to a kind of direct current cabinet.Particularly relate to a kind of direct current cabinet with lithium battery and charging system thereof
Background technology
The remarkable advantages such as lithium ion battery is high with its operating voltage, energy density is large, self-discharge rate is low, memory-less effect, environmental protection, are widely used in: in mobile phone, Video Camera, notebook computer, cordless telephone, electric tool, remote control or the portable electric appts such as electronic toy, camera.
DC power supply is the support equipment of power supply of enterprise-essential, and traditional maintenance management comprises Daily Round Check outward appearance, and the consumable accessorys such as periodic replacement battery, filter capacitor, blower fan, do cell activation etc. during overhaul.Traditional DC screen adopts lead acid accumulator as the power supply of direct current cabinet mostly, but due to a series of shortcomings such as lead-acid battery cycle life are short, specific capacity is little, energy density is little, self discharge is large, seriously polluted, increasing direct current cabinet adopts new forms of energy as power supply now.Therefore, lithium battery, with its good performance and environmental protection characteristic, serves as the back-up source of direct current cabinet control bus, not only environmental protection but also can meet the needs of direct current cabinet, really achieves non-maintaining intelligent direct current cabinet system.
Summary of the invention
Technical problem to be solved by this invention is, provides one both can meet capacity requirement, greatly can improve again the direct current cabinet with lithium battery and charging system thereof in the useful life of direct current cabinet.
The technical solution adopted in the present invention is: a kind of direct current cabinet with lithium battery and charging system thereof, include the total supervisory control system of direct current cabinet and DC power supply, the power input of described DC power supply connects lithium battery module, described lithium battery module also connects the detection module for gathering supply voltage and the charhing unit for carrying out charging to lithium battery module respectively, the output of described detection module connects for receiving the signal that detection module gathers and the monitoring unit processing signal and report to the police, the output of described monitoring unit connects the total supervisory control system of described direct current cabinet.
Described charhing unit includes the peak restrained EMI filter circuit be connected successively, industrial frequency rectifying circuit, PFC power factor correction circuit, DC/AC high-frequency inverter circuit, high-frequency rectification circuit, LC filter circuit and EMI filter circuit, wherein, the input of described peak restrained EMI filter circuit connects AC power, the output of described EMI filter circuit forms the output of charhing unit, peak restrained EMI filter circuit is also connected pulse-width modulation circuit with the output of EMI filter circuit, described pulse-width modulation circuit is bi-directionally connected computer monitoring unit, described EMI filter circuit output also connects computer monitoring unit, the output of described computer monitoring unit connects the control input end of DC/AC high-frequency inverter circuit by CAN.
Described detection module and monitoring unit include: direct-current supervision CPU processor, respectively by the signal conversion circuit that A/D converter is connected with described direct-current supervision CPU processor input, Hall element and temperature sensor, the output of described direct-current supervision CPU processor connects alarm indication unit by a relay, described direct-current supervision CPU processor also connects RS485 bus by a buffer circuit, and the total supervisory control system of direct current cabinet described in being connected by RS485 bus, wherein, the input of described signal conversion circuit is the voltage signal inputs of lithium battery module, the input of described Hall element is the input of the current signal of lithium battery module, described temperature sensor is arranged on the temperature sensor on described lithium battery module.
Described lithium battery module is made up of multiple lithium-ion battery monomer connection in series-parallel.
The direct current cabinet with lithium battery and charging system thereof of the present invention, both can meet capacity requirement, and greatly can improve again the useful life of direct current cabinet, and have that capacity is high, non-maintaining, the feature such as environmental protection, self-discharge rate are low, can produce universal widely, be of great practical significance.
Accompanying drawing explanation
Fig. 1 is that entirety of the present invention forms block diagram;
Fig. 2 is that the charhing unit in the present invention forms block diagram;
Fig. 3 is that in the present invention, detection module and monitoring unit form block diagram.
In figure
1: the total supervisory control system 2 of direct current cabinet: DC power supply
3: lithium battery module 4: detection module
5: monitoring unit 6: charhing unit
41: signal conversion circuit 42: Hall element
43:A/D transducer 44: temperature sensor
61: peak restrained EMI filter circuit 62: industrial frequency rectifying circuit
63:PFC power factor correction circuit 64:DC/AC high-frequency inverter circuit
65: high-frequency rectification circuit 66:LC filter circuit
67:EMI filter circuit 68: pulse-width modulation circuit
69: computer monitoring unit
Embodiment
Below in conjunction with embodiment and accompanying drawing, the direct current cabinet with lithium battery and charging system thereof of the present invention is described in detail.
The direct current cabinet with lithium battery and charging system thereof of the present invention, include the total supervisory control system 1 of direct current cabinet and DC power supply 2, the power input of described DC power supply 2 connects lithium battery module 3, described lithium battery module 3 also distinguishes connection detection module 4 and charhing unit 6, the output of described detection module 4 connects monitoring unit 5, and the output of described monitoring unit 5 connects the total supervisory control system 1 of described direct current cabinet.In the present invention, described lithium battery module 3 is composed in series by multiple lithium-ion battery monomer, as the back-up source of control bus.Under described detection module 4 to guarantee in lithium battery module that single lithium battery electric voltage equalization and global voltage and temperature are in normal operating conditions.Described monitoring unit 5 is responsible for the voltage gathering power supply, controls alarm signal, and processes signal.The signal collected is uploaded to the total supervisory control system of DC power supply by described monitoring unit, so that the total state of supervisory control system to power supply judges.
Described charhing unit 6 is responsible for charging to lithium ion module, include the peak restrained EMI filter circuit 61 be connected successively, industrial frequency rectifying circuit 62, PFC power factor correction circuit 63, DC/AC high-frequency inverter circuit 64, high-frequency rectification circuit 65, LC filter circuit 66 and EMI filter circuit 67, wherein, the input of described peak restrained EMI filter circuit 61 connects AC power, the output of described EMI filter circuit 67 forms the output of charhing unit 6, peak restrained EMI filter circuit 61 is also connected pulse-width modulation circuit 68 with the output of EMI filter circuit 67, described pulse-width modulation circuit 68 is bi-directionally connected computer monitoring unit 69, described EMI filter circuit 67 output also connects computer monitoring unit 69, the output of described computer monitoring unit 69 connects the control input end of DC/AC high-frequency inverter circuit 64 by CAN.
Described detection module 4 and monitoring unit 5 include: direct-current supervision CPU processor 51, respectively by the signal conversion circuit 41 that A/D converter 43 is connected with described direct-current supervision CPU processor 51 input, Hall element 42 and temperature sensor 44, the output of described direct-current supervision CPU processor 51 connects alarm indication unit 54 by a relay 52, described direct-current supervision CPU processor 51 also connects RS485 bus 55 by a buffer circuit 53, and connect the total supervisory control system 1 of described direct current cabinet by RS485 bus 55, wherein, the input of described signal conversion circuit 41 is the voltage signal inputs of lithium battery module 3, the input of described Hall element 42 is the input of the current signal of lithium battery module 3, described temperature sensor 44 is arranged on the temperature sensor on described lithium battery module 3.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as this protection scope of the present invention.
Claims (4)
1. one kind has the direct current cabinet of lithium battery and charging system thereof, include the total supervisory control system of direct current cabinet (1) and DC power supply (2), it is characterized in that, the power input of described DC power supply (2) connects lithium battery module (3), described lithium battery module (3) also connects the detection module (4) for gathering supply voltage and the charhing unit (6) for carrying out charging to lithium battery module (3) respectively, the output of described detection module (4) connects for receiving the signal that detection module (4) gathers and the monitoring unit (5) processing signal and report to the police, the output of described monitoring unit (5) connects the total supervisory control system of described direct current cabinet (1).
2. the direct current cabinet with lithium battery and charging system thereof according to claim 1, it is characterized in that, described charhing unit (6) includes the peak restrained EMI filter circuit (61) be connected successively, industrial frequency rectifying circuit (62), PFC power factor correction circuit (63), DC/AC high-frequency inverter circuit (64), high-frequency rectification circuit (65), LC filter circuit (66) and EMI filter circuit (67), wherein, the input of described peak restrained EMI filter circuit (61) connects AC power, the output of described EMI filter circuit (67) forms the output of charhing unit (6), peak restrained EMI filter circuit (61) is also connected pulse-width modulation circuit (68) with the output of EMI filter circuit (67), described pulse-width modulation circuit (68) is bi-directionally connected computer monitoring unit (69), described EMI filter circuit (67) output also connects computer monitoring unit (69), the output of described computer monitoring unit (69) connects the control input end of DC/AC high-frequency inverter circuit (64) by CAN.
3. the direct current cabinet with lithium battery and charging system thereof according to claim 1, it is characterized in that, described detection module (4) and monitoring unit (5) include: direct-current supervision CPU processor (51), respectively by the signal conversion circuit (41) that A/D converter (43) is connected with described direct-current supervision CPU processor (51) input, Hall element (42) and temperature sensor (44), the output of described direct-current supervision CPU processor (51) connects alarm indication unit (54) by a relay (52), described direct-current supervision CPU processor (51) also connects RS485 bus (55) by a buffer circuit (53), and the total supervisory control system of direct current cabinet (1) described in being connected by RS485 bus (55), wherein, the input of described signal conversion circuit (41) is the voltage signal inputs of lithium battery module (3), the input of described Hall element (42) is the input of the current signal of lithium battery module (3), described temperature sensor (44) is arranged on the temperature sensor on described lithium battery module (3).
4. the direct current cabinet with lithium battery and charging system thereof according to claim 1, is characterized in that, described lithium battery module (3) is made up of multiple lithium-ion battery monomer connection in series-parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410594487.0A CN104362690A (en) | 2014-10-29 | 2014-10-29 | Direct current screen with lithium battery and charging system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410594487.0A CN104362690A (en) | 2014-10-29 | 2014-10-29 | Direct current screen with lithium battery and charging system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104362690A true CN104362690A (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410594487.0A Pending CN104362690A (en) | 2014-10-29 | 2014-10-29 | Direct current screen with lithium battery and charging system thereof |
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| CN (1) | CN104362690A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100045242A1 (en) * | 2008-08-22 | 2010-02-25 | Sony Corporation | Charging apparatus and charging method |
| CN202085097U (en) * | 2011-02-17 | 2011-12-21 | 博耳(宜兴)电力成套有限公司 | Intelligent controller for photovoltaic confluence box |
| CN203589807U (en) * | 2013-12-02 | 2014-05-07 | 重庆跃达电力设备有限公司 | Charging-feeding separating type direct-current control cabinet |
-
2014
- 2014-10-29 CN CN201410594487.0A patent/CN104362690A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100045242A1 (en) * | 2008-08-22 | 2010-02-25 | Sony Corporation | Charging apparatus and charging method |
| CN202085097U (en) * | 2011-02-17 | 2011-12-21 | 博耳(宜兴)电力成套有限公司 | Intelligent controller for photovoltaic confluence box |
| CN203589807U (en) * | 2013-12-02 | 2014-05-07 | 重庆跃达电力设备有限公司 | Charging-feeding separating type direct-current control cabinet |
Non-Patent Citations (1)
| Title |
|---|
| 李林: "水电站直流系统改造", 《水电厂自动化》 * |
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Inventor after: Huang Weidong Inventor after: Yin Zizhen Inventor after: Wei Jinjun Inventor after: Lv Ying Inventor after: Gao Liyan Inventor after: Wang Yongxiang Inventor after: Liu Chunwang Inventor after: Shang Xirui Inventor after: Zhang Zhongyang Inventor after: Zhang Yaxian Inventor after: Zhang Qing Inventor after: He Junxia Inventor after: Guo Qingkui Inventor after: Yuan Yongyu Inventor before: Liu Chunwang Inventor before: Wei Jinjun Inventor before: Lv Ying Inventor before: Gao Liyan Inventor before: Wang Yongxiang Inventor before: Shang Xirui Inventor before: Zhang Zhongyang Inventor before: Zhang Yaxian Inventor before: Zhang Qing Inventor before: He Junxia Inventor before: Guo Qingkui Inventor before: Yuan Yongyu Inventor before: Yin Zizhen |
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Free format text: CORRECT: INVENTOR; FROM: LIU CHUNWANG SHANG XIRUI ZHANG CHONGYANG ZHANG YAXIAN ZHANG QING HE JUNXIA GUO QINGKUI YUAN YONGYU YIN ZIZHEN WEI JINJUN LV YING GAO LIYAN WANG YONGXIANG TO: HUANG WEIDONG LIU CHUNWANG SHANG XIRUI ZHANG CHONGYANG ZHANG YAXIAN ZHANG QING HE JUNXIA GUO QINGKUI YUAN YONGYU YIN ZIZHEN WEI JINJUN LV YING GAO LIYAN WANG YONGXIANG |
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Application publication date: 20150218 |