CN111711239A - 一种半导体晶圆厂锂电池储能系统 - Google Patents

一种半导体晶圆厂锂电池储能系统 Download PDF

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CN111711239A
CN111711239A CN202010551770.0A CN202010551770A CN111711239A CN 111711239 A CN111711239 A CN 111711239A CN 202010551770 A CN202010551770 A CN 202010551770A CN 111711239 A CN111711239 A CN 111711239A
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bcu
energy storage
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张怀
陈冲
吴凡
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Wuhu Churui Intelligent Technology Co ltd
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    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
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    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
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    • H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
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    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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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
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Abstract

本发明公开一种半导体晶圆厂锂电池储能系统，涉及锂电池领域，包括相互耦合的充放电管理单元、主控制单元和电池模组单元；将储能系统进行拆分为3个单元，既避免整体设计的复杂性，又能够进行不同搭配，提高了适配性。且除去放电回路保护开关，避免了因管理系统本身故障或放电开关器件故障导致后备电源断电。并配置对外报警功能，同时提供外部干接点，用户能及时了解设备异常。

Description

一种半导体晶圆厂锂电池储能系统
技术领域
本发明涉及锂电池领域，具体涉及一种半导体晶圆厂锂电池储能系统。
背景技术
在半导体晶圆工厂运作体系中UPS系统起到至关重要的作用，当前半导体UPS电源供应领域，锂电池配套UPS已经成为了一种新型方式，采用锂电池作为UPS的储能装置能够提升UPS的各项性能。由于铅酸电池体积和重量非常大也比较笨重，高倍率放电性能差，使用寿命短，所以UPS应用中，锂电池配套未来将是一种趋势。
在半导体晶圆厂UPS应用中，后备锂电池与UPS长期处于高压连接工作状态，且机房环境复杂，对EMC要求就非常高，同时集成电路制造工艺中，制程设备对供电系统的供电品质要求十分严格，一旦精密敏感设备供电电压不稳或断电会导致整个产线的瘫痪和生产设备的损坏，将造成重大的经济损失。传统锂电池保护系统中，充放电回路都配置保护开关，容易因管理系统本身故障或放电开关器件故障导致后备电源断电。
且一般的锂电池及其配套的管理系统都是整件产品，比如柜式整体机，而不同型号的UPS差异较大。所以常规的整体机柜式设计则需设计不同的结构方案应对不同型号的UPS。
发明内容
本发明的目的在于提供一种半导体晶圆厂锂电池储能系统，将储能系统进行拆分为3个单元，既避免整体设计的复杂性，又能够进行不同搭配，提高了适配性。且除去放电回路保护开关，避免了因管理系统本身故障或放电开关器件故障导致后备电源断电。并配置对外报警功能，同时提供外部干接点，用户能及时了解设备异常。
一种半导体晶圆厂锂电池储能系统，包括相互耦合的充放电管理单元、主控制单元和电池模组单元；所述充放电管理单元包括HVU模块、断路器、熔断器和电流传感器，所述断路器的正极通过充放电回路连接至电池模组单元总正，且断路器的负极通过熔断器和电流传感器连接至电池模组单元总负，所述HVU模块与断路器和电流传感器连接，进行电压采样、电流采样和绝缘检测；
所述电池模组单元设有若干个并串联在一起，电池模组单元包括电池组和与电池组相连的BMU模块，BMU模块用于对电池组进行电压采集和温度采集，所述主控制单元包括BCU模块、启动开关、PC上位机和提示灯，所述BCU模块通过启动开关连通至充放电回路，所述HVU模块和BMU模块通过CAN通讯的方式与BCU模块连接，所述BCU模块1还与PC上位机和提示灯相连。
优选的，所述充放电回路包括放电回路和充电回路，所述放电支路由串联在断路器与电池模组单元之间的放电二极管组成，所述充电回路由于放电二极管并联的充电二极管和充电开关组成。
优选的，所述BCU模块还与断路器连接，且BCU模块还配置对外常开干接点信号和对外RS485/CAN通讯接口，并提供协议。
优选的，所述充电开关与BCU模块连接。
优选的，所述BCU模块与启动开关之间连接有DC/DC变换器，且BCU模块还连接有外部DC24V电源。
优选的，所述电池组由8串磷酸铁锂电池串联组成，且电池组还通过BMU模块搭载运行指示灯和故障指示灯。
优选的，所述提示灯包括黄色的故障灯、红色的报警灯和绿色的运行灯，所述BCU模块还通过GPRS模块连接云服务器。
本发明的优点在于：
1、将储能系统进行拆分为3个单元，避免整体设计的复杂性，单元化并行的产品开发和测试可以大大缩短设计周期，使各个模块可以相对独立地设计和发展，可以进行并行设计、开发和并行试验、验证，可以提高产品的可靠性和设计质量。
2、鉴于锂电池本身特性，锂电池应用必须配置管理系统，充放电需设置保护机制，以保障锂电池的安全运行及使用性能和寿命，传统锂电池保护系统中，充放电回路都配置保护开关。本设计除去放电回路保护开关，实现真正意义上的不断电供电为UPS保驾护航，避免因管理系统本身故障或放电开关器件故障导致后备电源断电。同时能简化系统的结构，增加系统的稳定性。
2、系统自身配置对外报警功能，同时提供外部干接点，可给UPS提供锂电池柜异常状态信号，用户能及时了解设备异常，并作出相对应的处理措施。系统提供外部CAN/485通讯，并提供标注协议，亦可根据实际应用需求为客户定制协议，可与外部设备进行实时通讯。
4、系统设计配备异常状态指示灯及人机交互界面LCD显示屏、PC端上位机软件，可查看锂电池柜运行状态和详细信息及参数配置功能，同时配置云监控平台，可为客户提供多方面的实时监控以及大数据收集和分析。
附图说明
图1为本发明的系统原理图；
其中，1、充放电管理单元，101、HVU模块，102、断路器，103、充电开关，104、放电二极管，105、充电二极管，106、熔断器，107、电流传感器，2、主控制单元，201、BCU模块，202、启动开关，203、外部DC24V电源，204、PC上位机，205、提示灯，206、云服务器，3、电池模组单元，301、电池组，302、磷酸铁锂电池，303、BMU模块。
具体实施方式
为使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体实施方式，进一步阐述本发明。
如图1，一种半导体晶圆厂锂电池储能系统，包括相互耦合的充放电管理单元1、主控制单元2和电池模组单元3；所述充放电管理单元1包括HVU模块101、断路器102、熔断器106和电流传感器107，所述断路器102的正极通过充放电回路连接至电池模组单元3总正，且断路器102的负极通过熔断器106和电流传感器107连接至电池模组单元3总负，所述HVU模块101与断路器102和电流传感器107连接，进行电压采样、电流采样和绝缘检测；
所述电池模组单元3设有若干个并串联在一起，电池模组单元3包括电池组301和与电池组301相连的BMU模块303，BMU模块303用于对电池组301进行电压采集和温度采集，所述主控制单元2包括BCU模块201、启动开关202、PC上位机204和提示灯205，所述BCU模块201通过启动开关202连通至充放电回路，所述HVU模块101和BMU模块303通过CAN通讯的方式与BCU模块201连接，所述BCU模块201还与PC上位机204和提示灯205相连。将储能系统进行拆分为3个单元进行设计，避免整体设计的复杂性，单元化并行的产品开发和测试可以大大缩短设计周期，使各个模块可以相对独立地设计和发展，可以进行并行设计、开发和并行试验、验证，可以提高产品的可靠性和设计质量。
单元化设计目的在于将各单元制作模块化产品，分别为充放电管理单元1、主控制单元2和电池模组单元3，有利于推进产品的标准化。针对不同半导体晶圆厂不同型号的UPS，对电池模组单元3进行串并联配组满足其电压等级及功率需求，直接提供常规的充放电管理单元1、主控制单元2，可高效率快速为客户的需求提供方案。常规的整体机柜式设计则需设计不同的结构方案应对不同型号的UPS，不仅需要反复的设计开发，方案制定效率低，而且产品的多样化难以保证其质量性能的稳定性，同时不利于产品的维护、整改及功能扩展。
所述充放电回路包括放电回路和充电回路，所述放电支路由串联在断路器102与电池模组单元3之间的放电二极管104组成，所述充电回路由于放电二极管104并联的充电二极管105和充电开关103组成。去放电回路保护开关，可实现真正意义上的不断电供电为UPS保驾护航，避免因管理系统本身故障或放电开关器件故障导致后备电源断电。
所述BCU模块201还与断路器102连接，且BCU模块201还配置对外常开干接点信号和对外RS485/CAN通讯接口，并提供协议。可给UPS提供锂电池柜异常状态信号，用户能及时了解设备异常，并作出相对应的处理措施
所述充电开关103与BCU模块201连接。
所述BCU模块201与启动开关202之间连接有DC/DC变换器，且BCU模块201还连接有外部DC24V电源203。
所述电池组301由8串磷酸铁锂电池302串联组成，且电池组301还通过BMU模块303搭载运行指示灯和故障指示灯。
所述提示灯205包括黄色的故障灯、红色的报警灯和绿色的运行灯，所述BCU模块201还通过GPRS模块连接云服务器206
具体实施方式及原理：
左侧虚线框部分为控制模块单元，由于UPS应用环境中，电池接口只有一路，利用二极管实现充放电回路同口设计：放电回路配置放电二极管104以实现放电回路中电流的单向流动；充电回路配置充电二极管105以实现充电回路中电流的单向流动；
放电回路中，摈弃固有的防止锂电池过放的保护理念，除去强制放电保护的机制，不配置继电器作为放电控制开关，不会因电池管理故障或电器开关故障强制断开对UPS的供电回路，以保障电池模组单元3对UPS的持续供电；
充电回路配置继电器作为充电开关103，防止锂电池过充、过温、充电过流，充、放电回路配置熔断器，以防止充放电回路短路或过流导致安全问题及设备故障；控制模块单元配置HVU模块101，通过电流传感器107对电池组301充、放电总电流进行采样，同时对电池模组单元3总正负极进行绝缘检测和总电压采集。
中间虚线部分为主控模块单元，主控BCU模块201供电方式采两种模式供电设计，可使用自身电池组供电或外部DC24V电源203供电以适配现场实际应用场景；BCU模块201与BMU模块303、HVU模块101通过CAN通讯模式进行实时通讯，通讯接口采用工艺成熟且应用广泛的数据机房RJ网口接线模式，数据传输线采用超五类屏蔽网线，以保障通讯的稳定性和抗干扰能力；
主控BCU模块201配置对外常开干接点信号，系统正常开机且无故障对外提供闭合信号，系统挂机或产生故障对外提供断开信号；主控BCU模块201配置对外RS485/CAN通讯接口，并提供协议，可实现与外部设备进行通讯。主控BCU模块201提供人机交互功能和提示灯205功能，系统设置三级报警机制，系统开机正常运行绿色指示灯亮，一级报警显示屏显示报警信息，二级级报警黄色指示灯亮，三级报警红色报警灯亮；显示屏功能，显示详细的锂电池状态信息、系统运行状态、电器件状态、报警信息，配备日志功能，系统参数配置功能；PC上位机204功能，提供PC端上位机软件，显示详细的锂电池状态信息，系统运行状态，电器件状态，报警信息，配备数据记录及统计分析功能，参数配置功能，数据图表展现功能；配置GPRS模块实现远程监控功能，搭配云服务器206监控平台，是实时通过互联网监控锂电池储能系统运行状态，提供大数据云存储功能。
右侧虚线部分为电池模组单元3，电池组301采用统一8串磷酸铁锂电池302串联方式，电压等级相当于2个12V标准铅酸电池电压等级，可通过模组串联对实现对市场各种型号的大型UPS的电压等级进行适配；BMU模块303利用模组电池自身供电，避免传统外部供电方式存在的不稳定因素，以保证电池组301供电稳定性，同时可避免外部供电模式产生的线路噪声干扰，以保证BMU模块303运行的稳定性；BMU模块303搭载运行指示灯和故障指示灯，对外提供CAN通讯接口，提供PC端上位机对单个模组进行监测和参数配置。
本系统的设计方案同样适用于其他领域配置大型UPS的后备电源应用和集装箱锂电池储能的应用，主控单元和控制单元具备通用性，可根据实际应用场景对锂电池模组做适配调整。
基于上述，本发明将储能系统进行拆分为3个单元，既避免整体设计的复杂性，又能够进行不同搭配，提高了适配性。且除去放电回路保护开关，避免了因管理系统本身故障或放电开关器件故障导致后备电源断电。并配置对外报警功能，同时提供外部干接点，用户能及时了解设备异常。
由技术常识可知，本发明可以通过其它的不脱离其精神实质或必要特征的实施方案来实现。因此，上述公开的实施方案，就各方面而言，都只是举例说明，并不是仅有的。所有在本发明范围内或在等同于本发明的范围内的改变均被本发明包含。

Claims (7)

1.一种半导体晶圆厂锂电池储能系统，其特征在于，包括相互耦合的充放电管理单元(1)、主控制单元(2)和电池模组单元(3)；所述充放电管理单元(1)包括HVU模块(101)、断路器(102)、熔断器(106)和电流传感器(107)，所述断路器(102)的正极通过充放电回路连接至电池模组单元(3)总正，且断路器(102)的负极通过熔断器(106)和电流传感器(107)连接至电池模组单元(3)总负，所述HVU模块(101)与断路器(102)和电流传感器(107)连接，进行电压采样、电流采样和绝缘检测；
所述电池模组单元(3)设有若干个并串联在一起，电池模组单元(3)包括电池组(301)以及与电池组(301)相连的BMU模块(303)，BMU模块(303)用于对电池组(301)进行电压采集和温度采集，所述主控制单元(2)包括BCU模块(201)、启动开关(202)、PC上位机(204)和提示灯(205)，所述BCU模块(201)通过启动开关(202)连通至充放电回路，所述HVU模块(101)和BMU模块(303)通过CAN通讯的方式与BCU模块(201)连接，所述BCU模块(201)还与PC上位机(204)和提示灯(205)相连。
2.根据权利要求1所述的一种半导体晶圆厂锂电池储能系统，其特征在于：所述充放电回路包括放电回路和充电回路，所述放电支路由串联在断路器(102)与电池模组单元(3)之间的放电二极管(104)组成，所述充电回路由与放电二极管(104)并联的充电二极管(105)和充电开关(103)组成。
3.根据权利要求1所述的一种半导体晶圆厂锂电池储能系统，其特征在于：所述BCU模块(201)还与断路器(102)连接，且BCU模块(201)还配置对外常开干接点信号和对外RS485/CAN通讯接口，并提供协议。
4.根据权利要求2所述的一种半导体晶圆厂锂电池储能系统，其特征在于：所述充电开关(103)与BCU模块(201)连接。
5.根据权利要求1所述的一种半导体晶圆厂锂电池储能系统，其特征在于：所述BCU模块(201)与启动开关(202)之间连接有DC/DC变换器，且BCU模块(201)还连接有外部DC24V电源(203)。
6.根据权利要求1所述的一种半导体晶圆厂锂电池储能系统，其特征在于：所述电池组(301)由8串磷酸铁锂电池(302)串联组成，且电池组(301)还通过BMU模块(303)搭载运行指示灯和故障指示灯。
7.根据权利要求1所述的一种半导体晶圆厂锂电池储能系统，其特征在于：所述提示灯(205)包括黄色的故障灯、红色的报警灯和绿色的运行灯，所述BCU模块(201)还通过GPRS模块连接云服务器(206)。
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