QX2304规格书(2014版)

广东电网公司配网0.4kV开关箱（不锈钢材质）订货技术条件书广东电网公司二〇一五年六月目录1.总则 (1)2.引用标准 (1)3.名词术语 (2)4.使用条件 (4)5.额定参数 (4)6.技术要求 (9)7.试验 (20)8.标志、包装、运输与贮存 (21)9.供货范围 (22)10.厂商应提供的技术文件 (23)11.附表 (23)广东电网公司配网0.4kV开关箱（不锈钢材质）订货技术条件书1.总则1.1本技术条件规定了配网0.4kV变压器开关箱（不锈钢材质）的使用条件、额定参数、技术要求、试验、包装运输等具体内容。

1.2本技术条件适用于额定电压 0.4kV，工作频率为 50Hz，开关箱（不锈钢材质），即低压成套开关设备和控制设备的制造、选型、验收、安装和维护。

1.3本设备技术条件提出的是最低限度的技术要求。

除本技术条件中规定的技术参数和要求外，其余均应遵循最新版本的国家标准（GB）、电力行业标准（DL）、IEC标准和国际单位制（SI）。

如果供方有自已的标准或规范，应提供标准代号及其有关内容，并须经需方同意后方可采用，但原则上采用更高要求的标准。

1.4如果供方选用本技术条件规定以外的标准时，则需提交这种替换标准供审查和分析。

仅在供方已证明替换标准相当或优于技术条件规定的标准，并从需方处获得书面的认可才能使用。

提交供审查的标准应为中文或英文版本。

2.引用标准GB 7251.1-2005 低压成套开关设备和控制设备第 1 部分:型式试验和部分型式试验成套设备GB/T 14048.1-2006 低压开关设备和控制设备总则第 1 部分:总则GB/T 14048.2-2008 低压开关设备和控制设备总则第 2 部分:断路器GB/T 14048.3-2008 低压开关设备和控制设备总则第 3 部分:开关、隔离器、隔离开关及熔断器组合电器GB 12747-1991 自愈式低电压并联电容器GB/T14549-1993 电能质量公用电网谐波GB 15576 低压成套无功功率补偿装置GB/T50227-1995 并联电容器成套装置设计规范DL/T597-1996 低压无功补偿控制器订货技术条件DL/T 842-2003 低压并联电容器装置使用技术条件JB/T 7113-1993 低压并联电容器装置- 1 -JB/T 7115-1993 低压无功就地补偿装置JB/T 9663-1999 低压无功功率自动补偿控制器JB/T 10695-2007 低压无功功率动态补偿装置GB/T 14549-1993 电能质量公用电网谐波GB 50254 电气安装工程低压电器施工及验收规范分：低压成套开关设备GB 7251.3 对非专业人员可进入场地的低压成套开关设备和控制设备-配电板的特殊要求JB/T 2930 低压电器产品型号编制方法GB4208-2008 外壳防护等级(IP代码)HG/T 2503-93 聚碳酸酯树脂GA 132 材料产烟毒性分析GB 191 包装储运图示标志3.名词术语3.1开关箱（不锈钢材质）由一个或多个开关设备和与之相关的控制、测量、信号、保护、调节等设备组成电气和机械连接，并用结构部件完整地组装在一起的一种组合体。

典型应用电路图V INV OUT 图1：QX2304典型应用电路图概述QX2304是一款高效率、低功耗、低纹波、高工作频率的PFM同步升压DC/DC 变换器。

QX2304仅需要三个外围元件，就可将低输入电压升压到所需的工作电压。

QX2304可通过内部修调电路（步进0.1V）来获得所需的输出电压。

QX2304内置的同步开关管可使效率最高可达95%，QX2304工作于PFM模式，可有效降低轻载模式下的纹波。

QX2304具有极低的静态电流特别适合于手持电子设备应用。

QX2304采用SOT23、SOT23-5、SOT89-3、TO92封装特点最高效率：95%最高工作频率：300 KHz低静态电流：15uA可选输出电压：2.5V～3.6V输出精度：±2.5%宽输入电压范围：0.9V～3.6V低纹波，低噪声应用领域1～2个干电池的电子设备电子词典、数码相机、LED手电筒、LED灯、血压计、MP3、遥控玩具、无线耳机、无线鼠标键盘、医疗器械、防丢器、汽车防盗器、充电器、VCR、PDA等手持电子设备订货信息产品型号QX2304L XX X封装形式T ：SOT23F ：SOT23-5E ：SOT89-3TO ：TO92输出电压25：2.5V 26：2.6V …36：3.6V丝印输出电压C XX X批号25：2.5V 26：2.6V …36：3.6V封装及管脚分配31213254132VOUTGND LX CXXXEN VOUT NCGNDLXGND VOUT LXCXXXCXXXQX2304LXXT (SOT23)123CXXXQX2304LXXF (SOT23-5)QX2304LXXE (SOT89-3)QX2304LXXTO(TO92)GND VOUTLX管脚定义内部电路方框图LXGND图2：QX2304的内部电路方框图极限参数（注1）注1：超过上表中规定的极限参数会导致器件永久性损坏。

而工作在以上极限条件下可能会影响器件的可靠性。

典型应用电路图(a)降压应用电路图 (b)升压应用电路图图1：QX5256典型应用电路图概述 QX5256是一款专门为LED 手电筒、矿灯、头灯等设计的控制芯片。

QX5256支持一组LED 灯，灯的控制由开关来完成。

QX5256有两种工作模式：在工作模式1下，LED 灯可在“全亮”和“闪亮”这两种工作状态之间切换；在工作模式2下， LED 灯可从“全亮”状态切换到1/4亮度的“暗亮”状态再到“闪亮”状态，这三种工作状态是循环往复切换的。

QX5256最大工作电流为200mA 。

QX5256采用SOT23、SOT23-5和TO92等三种封装。

特点 工作电压：2V~6V 工作模式1：全亮、闪亮 工作模式2：全亮、暗亮、闪亮 最大LED 电流：200mA最大扩流：2A 欠压保护：2V 应用领域 LED 手电筒 LED 矿灯、头灯订货信息产品型号QX5256丝印TO-92封装：5256TX A :工作模式1B :工作模式2XXXX批号年份SOT23封装：256XL :工作模式1H :工作模式2SOT23-5封装：256F封装及管脚分配1235256TX XXXXTO-92GND VDD LED312VDDGNDLED256XSOT23VDD GNDSOT23-513254DRVLEDMODE256F管脚定义内部电路方框图VDDGNDLEDMODEDRV图2：QX5256内部电路方框图极限参数（注1）注1：超过上表中规定的极限参数会导致器件永久性损坏。

而工作在以上极限条件下可能会影响器件的可靠性。

电特性除非特别说明，T A=25 o C封装信息SOT23封装尺寸图：SOT23-5封装尺寸图：TO-92封装尺寸图：。

Feature Matrix:Polarion X 2304 Polarion X 2304Unpublished work. © 2023 SiemensThis Documentation contains trade secrets or otherwise confidential information owned by Siemens Industry Software Inc. or its affiliates (collectively, “Siemens”), or its licensors. Access to and use of this Documentation is strictly limited as set forth in Customer’s applicable agreement(s) with Siemens. This Documentation may not be copied, distributed, or otherwise disclosed by Customer without the express written permission of Siemens, and may not be used in any way not expressly authorized by Siemens.This Documentation is for information and instruction purposes. Siemens reserves the right to make changes in specifications and other information contained in this Documentation without prior notice, and the reader should, in all cases, consult Siemens to determine whether any changes have been made.No representation or other affirmation of fact contained in this Documentation shall be deemed to be a warranty or give rise to any liability of Siemens whatsoever.If you have a signed license agreement with Siemens for the product with which this Documentation will be used, your use of this Documentation is subject to the scope of license and the software protection and security provisions of that agreement.If you do not have such a signed license agreement, your use is subject to the Siemens Universal Customer Agreement, which may be viewed at https:///en-US/sw-terms/base/uca/, as supplemented by the product specific terms which may be viewed at https:///en-US/sw-terms/supplements/.SIEMENS MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS DOCUMENTATION INCLUDING, BUT NOT LIMITEDTO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT OF INTELLECTUAL PROPERTY. SIEMENS SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL OR PUNITIVE DAMAGES, LOST DATA OR PROFITS, EVEN IF SUCH DAMAGES WERE FORESEEABLE, ARISING OUT OF OR RELATEDTO THIS DOCUMENTATION OR THE INFORMATION CONTAINED IN IT, EVEN IF SIEMENS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.TRADEMARKS: The trademarks, logos, and service marks (collectively, "Marks") used herein are the property of Siemens or other parties. No one is permitted to use these Marks without the prior written consent of Siemens or the owner of the Marks,as applicable. The use herein of third party Marks is not an attempt to indicate Siemens as a source of a product, but is intended to indicate a product from, or associated with, a particular third party. A list of Siemens’ Marks may be viewed at: /global/en/legal/trademarks.html. The registered trademark Linux® is used pursuant to a sublicense from LMI, the exclusive licensee of Linus Torvalds, owner of the mark on a world-wide basis.About Siemens Digital Industries SoftwareSiemens Digital Industries Software is a global leader in the growing field of product lifecycle management (PLM), manufacturing operations management (MOM), and electronic design automation (EDA) software, hardware, and services. Siemens works with more than 100,000 customers, leading the digitalization of their planning and manufacturing processes. At Siemens Digital Industries Software, we blur the boundaries between industry domains by integrating the virtual and physical, hardware and software, design and manufacturing worlds. With the rapid pace of innovation, digitalization is no longer tomorrow’s idea. We take what the future promises tomorrow and make it real for our customers today. Where today meets tomorrow. Our culture encourages creativity, welcomes fresh thinking and focuses on growth, so our people, our business, and our customers can achieve their full potential.Support Center: Send Feedback on Documentation: /doc_feedback_formUnrestrictedUnrestrictedUnrestrictedUnrestrictedXs - Xcelerator Share integration is supported but requires an additional Xcelerator Share license.Xw - Via webservices API only, not via xUnit import.[1] - Modify one or many properties for multiple Work Items at once. (The same value for multiple Work Items)[2] - Edit multiple Work Items in the table interface and save the changes at once.[3] - Configure and display the tree table.[4] - Export tree tables to MS Excel, Word ..., Export traceability reports to MS Excel.[5] - Sum of LiveDocs + Info Pages + Live Reports[6] - Documented templates. (The process is documented on the Pages.)[7] - Only in managed services deployments.Unrestricted。

60065（2014版）标准—说明书和标识NO.Item Verdict 标识符号1、(5.4.a) Where in a manufacturer's service documentation, for example in circuit diagrams orlists of components, a symbol is used to indicate that a specific component shall bereplaced only by the component specified in that documentation for safety reasons,the following symbol shall be used:，ISO 7000-0434 (2004-01)This symbol may also be put adjacent to the relevant component.This symbol shall not be placed on components.P N如果在制造厂商的维修文件中，例如在电路图或元器件表中要使用一种符号，用来表示某一特定的元器件由于安全的原因，只能用该文件中规定的元器件来更换，则应当使用下列符号：，ISO 7000-0434 (2004-01)该符号也可以标在有关元器件的附近。

该符号不得标在元器件上。

2、(5.4.b) Where a loudspeaker grille, removable from the outside by the use of a tool, coin orother object, is relied on as protective cover (see 9.2), the following marking, or equ-ivalent, shall be visible on the enclosure after removal of the grille:CAUTIONTo prevent electric shock hazard, do not connect tomains power supply while grille is removed.Alternatively, the symbol , IEC 60417-5036 (200210) shall be visible after removal of the grille and the caution wording above shall appear in the userinstructions, accompanied by the symbol.P N在一个扬声器格栅的地方，可从外部通过使用一种工具，像硬币或者其他对象作为一种防护罩来依靠，下列标志或者类似标志，在删除格栅后，应该在外壳上清晰可见：警告为了防止点击危险，当格栅被删除时，不能连接到供电电源。