CN203119564U - Lithium battery bidirectional inversion energy-storage power supply device - Google Patents
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 65
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 56
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000004146 energy storage Methods 0.000 title claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 5
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- FBDMTTNVIIVBKI-UHFFFAOYSA-N [O-2].[Mn+2].[Co+2].[Ni+2].[Li+] Chemical compound [O-2].[Mn+2].[Co+2].[Ni+2].[Li+] FBDMTTNVIIVBKI-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000004973 liquid crystal related substance Substances 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- AIJRZQRTCRIQFY-UHFFFAOYSA-N dilithium cobalt(2+) dioxido(dioxo)manganese nickel(2+) Chemical compound [Li+].[Mn](=O)(=O)([O-])[O-].[Co+2].[Ni+2].[Li+].[Mn](=O)(=O)([O-])[O-].[Mn](=O)(=O)([O-])[O-] AIJRZQRTCRIQFY-UHFFFAOYSA-N 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 229910000572 Lithium Nickel Cobalt Manganese Oxide (NCM) Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
技术领域technical field
本实用新型涉及一种电源装置，尤其涉及一种锂电池双向逆变储能电源装置。The utility model relates to a power supply device, in particular to a lithium battery bidirectional inverter energy storage power supply device.
背景技术Background technique
电器产品在人们的生活中出现的越来越多，整个社会对电力的需求越来越大。在用电高峰期或由于不可抗拒的外因，如地震、台风，海啸等破坏了供电设备的情况下，会导致电力供给不足或断电，严重影响人们的生产生活。目前的后备电源系统主要是针对个人电脑、服务器、存储器等数据信息设备，防止突然的断电，内部存储器的内容来不及保存带硬盘等存储器上，导致的数据丢失。主要包括UPS(Uninterrupted Power Supply不间断电源)、SPS(Standby Power Supply备份/待命电源)、BBU(Battery BackupUnit电池后备单元)。这些备用电源主要使用铅酸电池储能，体积大、比能量低，设计储能时间短，一般为半个小时以下。不适应作为户用或中小企业储能电源系统，为生产生活中各种家用电器备用供电。More and more electrical products appear in people's lives, and the demand for electricity in the whole society is increasing. During the peak period of electricity consumption or when the power supply equipment is damaged due to irresistible external factors, such as earthquakes, typhoons, tsunamis, etc., it will lead to insufficient power supply or power outages, seriously affecting people's production and life. The current backup power system is mainly aimed at data information equipment such as personal computers, servers, and storage devices to prevent sudden power failures, and the contents of the internal storage are too late to be saved on storage devices such as hard disks, resulting in data loss. Mainly include UPS (Uninterrupted Power Supply uninterruptible power supply), SPS (Standby Power Supply backup / standby power supply), BBU (Battery BackupUnit battery backup unit). These backup power sources mainly use lead-acid batteries for energy storage, which are large in size and low in specific energy, and the designed energy storage time is short, generally less than half an hour. It is not suitable as a household or small and medium-sized energy storage power supply system to provide backup power for various household appliances in production and life.
实用新型内容Utility model content
本实用新型的目的在于克服现有技术存在的以上问题，提供一种锂电池双向逆变储能电源装置。The purpose of the utility model is to overcome the above problems existing in the prior art, and provide a lithium battery bidirectional inverter energy storage power supply device.
为实现本实用新型的目的锂电池双向逆变储能电源装置，包括有装置外壳，其中：所述的装置外壳内设置有锂电池组件，所述的锂电池组件的输出端连接LCD电量显示组件输入端，所述的LCD电量显示组件的输出端连接双向逆变器的输入端，所述的双向逆变器的充电模块的输出端与锂电池组件输入端之间的回路上设置有充电开关，所述的双向逆变器的逆变线路模块的输入端与锂电池组件输出端设置有放电开关，所述的双向逆变器上设置有市电输入端口与逆变输出端口。In order to realize the purpose of the utility model, the lithium battery bidirectional inverter energy storage power supply device includes a device casing, wherein: a lithium battery assembly is arranged inside the device casing, and the output end of the lithium battery assembly is connected to an LCD power display assembly Input end, the output end of the LCD power display assembly is connected to the input end of the bidirectional inverter, and a charging switch is arranged on the circuit between the output end of the charging module of the bidirectional inverter and the input end of the lithium battery assembly , the input end of the inverter line module of the bidirectional inverter and the output end of the lithium battery assembly are provided with a discharge switch, and the bidirectional inverter is provided with a mains input port and an inverter output port.
进一步地，上述的锂电池双向逆变储能电源装置，其中，所述锂电池组件的输入端与LCD电量显示组件的输出端之间设置有BMS保护组件。Furthermore, in the above-mentioned lithium battery bidirectional inverter energy storage power supply device, a BMS protection component is arranged between the input terminal of the lithium battery component and the output terminal of the LCD power display component.
更进一步地，上述的锂电池双向逆变储能电源装置，其中，所述LCD电量显示组件的输出端与双向逆变器内的充电模块输入端之间设置有辅助保护组件。Furthermore, in the above lithium battery bidirectional inverter energy storage power supply device, an auxiliary protection component is provided between the output terminal of the LCD power display component and the input terminal of the charging module in the bidirectional inverter.
更进一步地，上述的锂电池双向逆变储能电源装置，其中，所述LCD电量显示组件的输出端与双向逆变器内的逆变模块的输出端之间设置有辅助保护组件。Furthermore, in the above lithium battery bidirectional inverter energy storage power supply device, an auxiliary protection component is arranged between the output terminal of the LCD power display component and the output terminal of the inverter module in the bidirectional inverter.
更进一步地，上述的锂电池双向逆变储能电源装置，其中，所述的双向逆变器上设置有LED指示灯。Furthermore, in the above lithium battery bidirectional inverter energy storage power supply device, wherein, the bidirectional inverter is provided with an LED indicator light.
更进一步地，上述的锂电池双向逆变储能电源装置，其中，所述的锂电池组件由磷酸铁锂软包电池串联组成，或者，由镍钴锰酸锂18650钢壳电池串联组成。Furthermore, in the above lithium battery bidirectional inverter energy storage power supply device, wherein the lithium battery assembly is composed of lithium iron phosphate pouch cells connected in series, or composed of lithium nickel cobalt manganate lithium 18650 steel shell cells connected in series.
更进一步地，上述的锂电池双向逆变储能电源装置，其中，所述的LCD电量显示组件为电压式LCD电量计，或是，LCD电量显示组件为库伦式LCD电量计。Furthermore, in the above lithium battery bidirectional inverter energy storage power supply device, wherein the LCD power display component is a voltage type LCD fuel gauge, or the LCD power display component is a Coulomb type LCD fuel gauge.
再进一步地，上述的锂电池双向逆变储能电源装置，其中，所述的装置外壳内设置有接插槽，所述的电量显示组件、双向逆变器设置在接插槽内。Still further, in the above-mentioned lithium battery bidirectional inverter energy storage power supply device, a socket is provided in the casing of the device, and the power display component and the bidirectional inverter are arranged in the socket.
采用本实用新型技术方案，依托于锂电池BMS保护组件的存在，可以防止过充过放、过流、温度过高，保证使用安全性。同时，由于LCD电量显示组件的存在，使用者能够精确及时知晓电池电量的多少，便于使用。并且，采用模块化的设计，整体体积小，适用于中小企业储能电源系统和家用电源系统。Adopting the technical scheme of the utility model, relying on the existence of the lithium battery BMS protection component, can prevent overcharging, overdischarging, overcurrent, and overheating, and ensure the safety of use. At the same time, due to the presence of the LCD power display component, the user can accurately and timely know the battery power level, which is convenient for use. Moreover, it adopts a modular design with a small overall size, which is suitable for small and medium-sized energy storage power systems and household power systems.
本实用新型的目的、优点和特点，将通过下面优先实施例的非限制性说明进行图示和解释，这些实施例是参照附图仅作为例子给出的。The objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments, which are given by way of example only with reference to the accompanying drawings.
附图说明Description of drawings
图1是锂电池双向逆变储能电源装置的构造示意图。Figure 1 is a schematic diagram of the structure of a lithium battery bidirectional inverter energy storage power supply device.
具体实施方式Detailed ways
如图1所示锂电池双向逆变储能电源装置，包括有装置外壳1，其与众不同之处在于：本实用新型所采用的装置外壳1内设置有锂电池组件2。具体来说，为了便于使用者知晓电量的多少，锂电池组件2连接有LCD电量显示组件4的输入端。并且，考虑到数据显示的精确度得到保证，电量显示组件4连接双向逆变器5的充电模块6的输出端与放电线路模块7的输入端。同时，考虑到在实际使用过程中，充电过程与放电过程的有效控制切换，本实用新型在双向逆变器5的充电模块6的输出端与锂电池组件2输入端之间的回路上设置有充电开关8。与之对应的是，在双向逆变器5的逆变模块7的输入端与锂电池组件2输出端之间的回路上设置有放电开关9。并且，双向逆变器上设置有市电输入端口与逆变输出端口。As shown in Figure 1, the lithium battery bidirectional inverter energy storage power supply device includes a device casing 1, which is different in that: the device casing 1 adopted by the utility model is provided with a lithium battery assembly 2. Specifically, the lithium battery assembly 2 is connected to the input terminal of the LCD power display assembly 4 in order to facilitate the user to know the amount of electricity. Moreover, considering that the accuracy of data display is guaranteed, the power display component 4 is connected to the output terminal of the charging module 6 of the bidirectional inverter 5 and the input terminal of the discharge circuit module 7 . At the same time, considering the effective control switching between the charging process and the discharging process in the actual use process, the utility model is provided with a Charging switch 8. Correspondingly, a discharge switch 9 is provided on the circuit between the input end of the inverter module 7 of the bidirectional inverter 5 and the output end of the lithium battery assembly 2 . Moreover, the bidirectional inverter is provided with a mains input port and an inverter output port.
就本实用新型一较佳的实施方式来看，为了适应不同的使用环境需要，采用的LCD电量显示组件4可以为电压式电量计，其并联连接在电路中。当然亦可以采用库伦式LCD电量计作为电量显示组件4，其以串联方式连入电路中。As far as a preferred embodiment of the present utility model is concerned, in order to meet the needs of different usage environments, the LCD power display component 4 used can be a voltage type power meter, which is connected in parallel in the circuit. Of course, a coulomb type LCD fuel gauge can also be used as the power display component 4 , which is connected into the circuit in series.
进一步来看，考虑到能够提升整体的安全机制，对于锂电池组件2的使用给予保护，在锂电池组件2和双向逆变器之间设置有BMS保护组件3。Further, considering that the overall safety mechanism can be improved, the use of the lithium battery assembly 2 is protected, and a BMS protection assembly 3 is provided between the lithium battery assembly 2 and the bidirectional inverter.
再进一步来看，为了便于使用者知晓双向逆变器5的工作状态，在双向逆变器5上设置有充电LED工作指示灯和逆变输出LED指示灯。Looking further, in order to facilitate the user to know the working state of the bidirectional inverter 5 , the bidirectional inverter 5 is provided with a charging LED working indicator light and an inverter output LED indicator light.
并且，考虑到使用环境的不同，为了便于电池的有效稳定工作，本实用新型采用的锂电池组件2至少有两块磷酸铁锂软包电池或者两个镍钴锰酸锂18650钢壳电池串联组成。当然，也可以采用至少有两块磷酸铁锂软包电池或者两个镍钴锰酸锂18650钢壳电池并联组成。同时，考虑到制造组装的便捷，采用的装置外壳1内分布有接插槽，电量显示组件4、双向逆变器5分别放入对应的接插槽内。Moreover, considering the difference in the use environment, in order to facilitate the effective and stable operation of the battery, the lithium battery assembly 2 adopted by the utility model has at least two lithium iron phosphate soft pack batteries or two lithium nickel cobalt manganate lithium 18650 steel shell batteries connected in series. . Of course, it can also be composed of at least two lithium iron phosphate soft pack batteries or two nickel cobalt lithium manganese oxide 18650 steel case batteries connected in parallel. At the same time, considering the convenience of manufacturing and assembling, sockets are distributed in the casing 1 of the adopted device, and the power display component 4 and the bidirectional inverter 5 are put into the corresponding sockets respectively.
结合本实用新型的实际使用情况来看，锂电池组件2的直流电压为24V或是48V。同时，锂电池组件2可充电电量和可放电电量为1000Wh至5000Wh。In view of the actual usage of the utility model, the DC voltage of the lithium battery assembly 2 is 24V or 48V. At the same time, the rechargeable and dischargeable electricity of the lithium battery assembly 2 is 1000Wh to 5000Wh.
当系统需要储存电能时，打开充电开关8，市电输入双向逆变器5的充电模块6，由充电模块6将交流市电转变为5A-50A的直流电。之后，直流电进入LCD电量显示组件4，然后通过BMS保护组件3，对锂电池组件2进行充电，充电模式为先恒流后恒压。具体来说，双向逆变器5的充电模块6对锂电池组件2先以5A-50A的电流充电，当锂电池组件2的电压升高至29.2V时，充电组件自动转换为恒压模式，直至充电电流小于截止电流为止，停止充电。双向逆变器5的充电模块6上的LED工作指示灯至少采用一个，一个LED指示灯10为双向逆变器5的充电模块6的充电指示灯，该灯为红色表明充电组件接入市电充电，该灯为绿色时，表明充电完成。When the system needs to store electric energy, the charging switch 8 is turned on, and the mains power is input into the charging module 6 of the bidirectional inverter 5, and the charging module 6 converts the AC mains power into a 5A-50A direct current. Afterwards, the direct current enters the LCD power display component 4, and then charges the lithium battery component 2 through the BMS protection component 3. The charging mode is first constant current and then constant voltage. Specifically, the charging module 6 of the bidirectional inverter 5 first charges the lithium battery assembly 2 with a current of 5A-50A, and when the voltage of the lithium battery assembly 2 rises to 29.2V, the charging assembly automatically switches to a constant voltage mode, Stop charging until the charging current is less than the cut-off current. At least one LED indicator light on the charging module 6 of the bidirectional inverter 5 is used, and one LED indicator 10 is the charging indicator light of the charging module 6 of the bidirectional inverter 5, and the light is red to indicate that the charging assembly is connected to the mains Charging, when the light is green, it means charging is complete.
当系统需要放电时，打开放电开关9，双向逆变器5的市电逆变输出端接入用电器。电流由锂电池组件2流过BMS保护组件3，然后经过LCD电量显示器组件4进入双向逆变器5的逆变模块7，由双向逆变器5的逆变模块7将直流电转变为交流市电供用电器使用。双向逆变器5上的逆变模块7上的LED工作指示灯至少采用一个，一个LED指示灯10为逆双向变器5的逆变模块7的指示灯，该灯绿色表明放电开关9打开，当放电时双向逆变器5出现异常如过温或锂电池组件2过放时变红，提醒用户关闭输出。电池BMS保护组件3监测每串的电压值，其中设置电池BMS保护组件3防止过充电压保护为单串磷酸铁锂软包电池3.9V或者镍钴锰酸锂18650钢壳电池4.25V，过放电压保护为单串磷酸铁锂软包电池2.3V或者镍钴锰酸锂18650钢壳电池2.8V。When the system needs to be discharged, the discharge switch 9 is turned on, and the mains inverter output terminal of the bidirectional inverter 5 is connected to an electrical appliance. The current flows from the lithium battery assembly 2 through the BMS protection assembly 3, and then enters the inverter module 7 of the bidirectional inverter 5 through the LCD power display assembly 4, and the inverter module 7 of the bidirectional inverter 5 converts the DC power into AC mains power For electrical use. The LED work indicator light on the inverter module 7 on the bidirectional inverter 5 adopts at least one, and one LED indicator light 10 is the indicator light of the inverter module 7 of the reverse bidirectional inverter 5, and the green light shows that the discharge switch 9 is opened. When the bidirectional inverter 5 is abnormal during discharge, such as over-temperature or the lithium battery assembly 2 is over-discharged, it turns red, reminding the user to turn off the output. The battery BMS protection component 3 monitors the voltage value of each string, and the battery BMS protection component 3 is set to prevent overcharging. The voltage protection is 2.3V for a single string lithium iron phosphate soft pack battery or 2.8V for a lithium nickel cobalt manganese oxide 18650 steel shell battery.
当系统需要用作UPS时，市电接入双向逆变器5的充电模块6的输入端，同时双向逆变器5的逆变模块7的输出接用电器，放电开关9打开。在有市电时直接使用市电为用电器供电，当断电时双向逆变器瞬间切换到锂电池2经过双向逆变器5的逆变模块7的输出端给用电器供电。When the system needs to be used as UPS, the mains power is connected to the input terminal of the charging module 6 of the bidirectional inverter 5, and the output of the inverter module 7 of the bidirectional inverter 5 is connected to the electrical appliance, and the discharge switch 9 is opened. Directly use the mains to supply power to the electrical appliances when the mains is available, and when the power is cut off, the bidirectional inverter switches to the lithium battery 2 and supplies power to the electrical appliances through the output terminal of the inverter module 7 of the bidirectional inverter 5 .
通过上述的文字表述可以看出，采用本实用新型后，依托于锂电池BMS保护组件的存在，可以防止过充过放、过流、温度过高，保证使用安全性。同时，由于LCD电量显示组件的存在，使用者能够精确及时知晓电池电量的多少，便于使用。并且，采用模块化的设计，整体体积小，适用于中小企业储能电源系统和家用电源系统。It can be seen from the above text that after adopting the utility model, relying on the existence of the lithium battery BMS protection component, it can prevent overcharging, overdischarging, overcurrent, and overheating, and ensure the safety of use. At the same time, due to the presence of the LCD power display component, the user can accurately and timely know the battery power level, which is convenient for use. Moreover, it adopts a modular design with a small overall size, which is suitable for small and medium-sized energy storage power systems and household power systems.
当然，以上仅是本实用新型的具体应用范例，对本实用新型的保护范围不构成任何限制。除上述实施例外，本实用新型还可以有其它实施方式。凡采用等同替换或等效变换形成的技术方案，均落在本实用新型所要求保护的范围之内。Of course, the above are only specific application examples of the utility model, and do not constitute any limitation to the protection scope of the utility model. In addition to the above-mentioned embodiments, the utility model can also have other implementations. All technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the utility model.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103151819A (en) * | 2013-03-22 | 2013-06-12 | 苏州能斯特新能源有限公司 | Lithium battery bidirectional inverter energy storage power device |
| CN104852432A (en) * | 2015-05-14 | 2015-08-19 | 山东驰翔新能源科技有限公司 | Energy-storage power supply device of lithium battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151819A (en) * | 2013-03-22 | 2013-06-12 | 苏州能斯特新能源有限公司 | Lithium battery bidirectional inverter energy storage power device |
| CN103151819B (en) * | 2013-03-22 | 2015-04-01 | 阿特斯(中国)投资有限公司 | Lithium battery bidirectional inverter energy storage power device |
| CN104852432A (en) * | 2015-05-14 | 2015-08-19 | 山东驰翔新能源科技有限公司 | Energy-storage power supply device of lithium battery |
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Effective date of registration: 20150107 Address after: 224000 Jiangsu province Yancheng City Yandu Road No. 17 Building 2 Patentee after: Jiangsu Teng Fang New Energy Technology Co., Ltd. Address before: 215129, No. 30, environmental protection industrial park, 369 deer Road, hi tech Zone, Jiangsu, Suzhou Patentee before: Nernst New Energy (Suzhou) Co., Ltd. |
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