CN214707528U - 电源供应器的电压转换装置 - Google Patents

电源供应器的电压转换装置 Download PDF

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CN214707528U
CN214707528U CN202120529576.2U CN202120529576U CN214707528U CN 214707528 U CN214707528 U CN 214707528U CN 202120529576 U CN202120529576 U CN 202120529576U CN 214707528 U CN214707528 U CN 214707528U
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邱楷杰
罗名植
张中行
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MSI Computer Shenzhen Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/42Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208Arrangements for improving power factor of AC input
    • H02M1/4225Arrangements for improving power factor of AC input using a non-isolated boost converter
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/045Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
    • H02H9/046Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere responsive to excess voltage appearing at terminals of integrated circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/0003Details of control, feedback or regulation circuits
    • H02M1/0032Control circuits allowing low power mode operation, e.g. in standby mode
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/32Means for protecting converters other than automatic disconnection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/003Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/157Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators with digital control
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/10Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from ac or dc
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Dc-Dc Converters (AREA)

Abstract

一种电源供应器的电压转换装置,包含:输入端、升压电路及输出端。输入端具有输入待机引脚及输入电力引脚,输入待机引脚用于传送具有第一电压值的第一电力信号,输入电力引脚用于传送具有第二电压值的第二电力信号。升压电路电性连接输入待机引脚,用于接收第一电力信号并据以转换成具有第二电压值的第一电力信号。输出端具有输出待机引脚以及输出电力引脚,输出待机引脚电性连接升压电路以接收具有第二电压值的第一电力信号,输出电力引脚电性连接输入电力引脚以用于接收具有第二电压值的第二电力信号,其中第二电压值大于第一电压值。

Description

电源供应器的电压转换装置
技术领域
本实用新型涉及一种电压转换装置,特别涉及一种提升电源供应器的电压的电压转换装置。
背景技术
英特尔提出并发展先进技术扩展(Advanced Technology Extended,ATX) 标准的电源供应器连接器(1995年正式发表)之后,已有25年左右的历史。目前ATX12V标准的电源供应器有数个主要的电压通道,例如:3.3V、5V、 5VSB(standby)、12V、-12V等多组电压。其中,独立于+5V供电压通道的+5VSB电压通道,提供待机所需的电功率,只要不切断交流电源,即使电脑已经关闭,其它电压通道已经切断的情况下,+5VSB仍然会提供小功率的直流电源。
然而例如能源之星(ENERGY STAR)和美国加利福尼亚州能源委员会 (CaliforniaEnergy Commission,CEC)等节能法规对于节能要求日趋严格,多组电压输出已不符合现今节能设计潮流(例如微软Microsoft Modern Standby),也影响了电源供应器的转换效率。英特尔于2019年公布 ATX12VO设计指南,此电源供应器仅输出+12V电压,完全去除过往多种 3.3V、5V、5VSB电压输出。除了适用电压值之外,引脚数量也不同。
然而目前ATX12VO标准尚未市场主流化,大部分制造商仅公开释出样品,在此同时大部分市面流通的商品仍然采用ATX12V标准。鉴于上述原因,对消费者而言,消费者不会在大部分硬件无完善支援新标准,使得扩充新设备遭遇适用规格疑虑的情况下购买采用新标准的硬件。因此,市面上需要存在一种转换装置,使适用ATX12V标准的硬件亦能适用于ATX12VO标准。
实用新型内容
鉴于上述,本实用新型提供一种满足上述需求的一种电源供应器的电压转换装置,包含:一输入端,具有一输入待机引脚以及一输入电力引脚,该输入待机引脚用于传送具有一第一电压值的一第一电力信号,该输入电力引脚用于传送具有第二电压值的一第二电力信号;一升压电路,电性连接该输入待机引脚,该升压电路用于接收该第一电力信号并据以转换成具有该第二电压值的该第一电力信号;以及一输出端,具有一输出待机引脚以及一输出电力引脚,该输出待机引脚电性连接该升压电路以接收具有该第二电压值的该第一电力信号,该输出电力引脚电性连接该输入电力引脚以用于接收具有该第二电压值的该第二电力信号,其中该第二电压值大于该第一电压值。
优选的,该升压电路包含一升压控制单元,该升压控制单元具有一电压输入端、一驱动端、一控制端、一过电压保护端以及一接地端,该电压输入端电性连接该输入待机引脚,该驱动端及该控制端通过一开关电性连接该输出待机引脚,该过电压保护端通过一过电压保护电阻电性连接该输出待机引脚。
优选的,该第一电压值为5伏特。
优选的,该第二电压值为12伏特。
优选的,该输入端具有24个引脚,这些引脚包含该输入待机引脚以及该输入电力引脚。
优选的,该输出端具有10个引脚,这些引脚包含该输出待机引脚以及该输出电力引脚。
优选的,该输入端具有一输入数据引脚,该输出端具有一输出数据引脚,该输入数据引脚电性连接该输出数据引脚以传送一数据信号。
综上,本实用新型的电源供应器的电压转换装置,借由升压电路将从输入待机引脚接收的具有第一电压值的第一电力信号升压成具有第二电压值的第一电力信号,使输出端接收具有第二电压值的第一电力信号以及具有第二电压值的第二电力信号,即便周边硬件的规格标准不同,仍可通过本实用新型的电压转换装置互相连接而正常运行。
以上的关于本实用新型内容的说明及以下的实施方式的说明是用以示范与解释本实用新型的精神与原理,并且提供本实用新型的专利申请范围更进一步的解释。
附图说明
图1是本实用新型一实施例的电源供应器的电压转换装置的方框图。
图2是本实用新型一实施例的电源供应器的电压转换装置的电路图。
其中,附图标记说明如下:
1 输入端
11 输入待机引脚
12 输入电力引脚
2 升压电路
21 升压控制单元
3 输出端
31 输出待机引脚
32 输出电力引脚
L1 电感
R1 电阻
D1 二极管
CVIN 电容
COUT 电容
VIN 电压输入端
DRV 驱动端
ISW 控制端
OVP 过电压保护端
GND 接地端
NMOS1 开关
ROVP1 过电压保护电阻
ROVP2 过电压保护电阻
具体实施方式
以下在实施方式中详细叙述本实用新型的详细特征以及优点,其内容足以使任何熟习相关技艺者了解本实用新型的技术内容并据以实施,且根据本说明书所公开的内容、申请专利范围及附图,任何熟习相关技艺者可轻易地理解本实用新型相关的目的及优点。以下的实施例是进一步详细说明本实用新型的观点,但非以任何观点限制本实用新型的范畴。
请参考图1,此方框图绘示了本实用新型一实施例的电源供应器的电压转换装置,该电压转换装置包含输入端1、升压电路2以及输出端 3。输入端1具有一输入待机引脚11以及输入电力引脚12,输入待机引脚 11用于传送具有第一电压值的第一电力信号,输入电力引脚12用于传送具有第二电压值的第二电力信号。升压电路2电性连接输入待机引脚11,升压电路2用于接收具有第一电压值的第一电力信号并据以转换成具有第二电压值的第一电力信号。输出端3具有输出待机引脚31以及输出电力引脚32,输出待机引脚31电性连接升压电路2以接收具有第二电压值的第一电力信号,输出电力引脚32则没有与升压电路2连接,是电性连接输入电力引脚 31以用于接收具有第二电压值的第二电力信号。
本实用新型一实施例的输入端1可以连接电源供应器,特别是具有适用例如ATX12V标准连接端的电源供应器。在这种例子下,输入端1可以具有 24个引脚,这些引脚包含输入待机引脚11以及输入电力引脚12。如图2所示,输入待机引脚11可以为图2的“5VSB”,而输入电力引脚12可以为图2的两个“+12V”,然而本实用新型在此不限制输入待机引脚11以及输入电力引脚12的各自数量。输出端3可以连接具有适用例如ATX12VO标准连接端的硬件,如主机板。在这种例子下,输出端3可以具有10个引脚,这些引脚包含输出待机引脚31以及输出电力引脚32。如图2所示,输出待机引脚31则可为图2的“12VSB”,而输出电力引脚32则可为图2的“+12V-1”、“+12V-2”及“+12-3”,然而本实用新型在此不限制输出待机引脚31以及输出电力引脚32的各自数量。本实用新型意在于通过连接输入待机引脚11及输出待机引脚31的升压电路2,使升压电路2将接收的具有第一电压值的第一电力信号据以转换成具有第二电压值的第一电力信号,其中第二电压值大于第一电压值,举例而言第一电压值可以为5V、第二电压值可以为12V。
请参考图2,图2是本实用新型一实施例的电压转换装置的电路图。应注意的是,图2的电路图仅作为实现本实用新型的电压转换装置的一种实施例,事实上的电路不限于此。图2是以适用ATX12V标准的输入端1以及适用ATX12VO标准的输出端3作为示例,在此的输入端1具有24个引脚,这些引脚各可为如图所示的用途。由于各引脚用途对本实用新型相关领域具通常知识者而言是已知悉的,故在此不对其进行赘述。其中,输入端1及输出端3各自的多个引脚可更具有传送数据信号的数个数据引脚,例如电源良好P_OK引脚以及电源启动P_ON引脚等。输入端1的P_OK引脚及P_ON 引脚可不通过升压电路2而分别旁分电源良好信号ATX_PWR_OK与电源启动信号PSON至输出端3的P_OK引脚及P_ON引脚。此外,输入端1的输入电力引脚12(两个+12V引脚)可直接连接并传送+12V电压至输出端3 的输出电力引脚32(+12V-1、+12V-2及+12-3引脚)。输入端1的-12V引脚可直接连接并传送-12V电压至输出端3的RSVD引脚。除了上述提及的引脚,输入端1中大部分的引脚没有连接至输出端3,仅有5VSB引脚(即输入待机引脚11)经过升压电路2连接至输出端3的12VSB引脚(即输出待机引脚31)。借由如此的连接结构,适用ATX12VO的输出端3仅会接收数据信号以及大小为±12伏特的电压。如此一来,输出端3可以对外提供+12V 的电源,以及在其它电压通道已经切断的情况下,通过12VSB引脚对外提供小功率的+12V直流电源。
在此进一步说明升压电路2。请继续参考图2,升压电路2包含升压控制单元21,升压控制单元21具有电压输入端VIN、驱动端DRV、控制端ISW、过电压保护端OVP以及接地端GND。电压输入端VIN连接输入待机引脚11 及电容CVIN。驱动端DRV、控制端ISW用于控制开关NMOS1的导通或关断。过电压保护端OVP通过过电压保护电阻ROVP2接地,通过过电压保护电阻ROVP1连接输出待机引脚31。此外,输入待机引脚11通过电感L1及二极管D1连接至输出待机引脚31及电容COUT。总的来说,升压电路2将接收的第一电压升压成第二电压并输出至输出待机引脚31,在既有的升压器基础上还通过过电压保护端OVP加入了过电压保护功能,以防突波损坏输出待机引脚31。
上述例子中,借由实现本实用新型的电压转换装置,既有的ATX12V标准下的电源供应器便可以借此连接ATX12VO标准的主机板,向主机板提供符合ATX12VO标准的电压信号。因此使用者即使购入新标准的主机板,仍可继续使用旧标准的电源供应器,而不需因更换新标准的硬件而因应更新周边的其他硬件。
综上,本实用新型的电源供应器的电压转换装置,借由升压电路将从输入待机引脚接收的具有第一电压值的第一电力信号升压成具有第二电压值的第一电力信号,使输出端接收具有第二电压值的第一电力信号以及具有第二电压值的第二电力信号,即便周边硬件的规格标准不同,仍可通过本实用新型的电压转换装置互相连接而正常运行。
虽然本实用新型以前述的实施例公开如上,然其并非用以限定本实用新型。在不脱离本实用新型的精神和范围内,所为的更动与润饰,均属本实用新型的专利保护范围。关于本实用新型所界定的保护范围请参考所附的权利要求。

Claims (7)

1.一种电源供应器的电压转换装置,其特征在于,包含:
一输入端,具有一输入待机引脚以及一输入电力引脚,该输入待机引脚用于传送具有一第一电压值的一第一电力信号,该输入电力引脚用于传送具有一第二电压值的一第二电力信号;
一升压电路,电性连接该输入待机引脚,该升压电路用于接收具有该第一电压值的该第一电力信号并据以转换成具有该第二电压值的该第一电力信号;以及
一输出端,具有一输出待机引脚以及一输出电力引脚,该输出待机引脚电性连接该升压电路以接收具有该第二电压值的该第一电力信号,该输出电力引脚电性连接该输入电力引脚以用于接收具有该第二电压值的该第二电力信号,
其中该第二电压值大于该第一电压值。
2.如权利要求1所述的电源供应器的电压转换装置,其特征在于,该升压电路包含一升压控制单元,该升压控制单元具有一电压输入端、一驱动端、一控制端、一过电压保护端以及一接地端,
该电压输入端电性连接该输入待机引脚,该驱动端及该控制端通过一开关电性连接该输出待机引脚,该过电压保护端通过一过电压保护电阻电性连接该输出待机引脚。
3.如权利要求1所述的电源供应器的电压转换装置,其特征在于,该第一电压值为5伏特。
4.如权利要求1所述的电源供应器的电压转换装置,其特征在于,该第二电压值为12伏特。
5.如权利要求1所述的电源供应器的电压转换装置,其特征在于,该输入端具有24个引脚,所述引脚包含该输入待机引脚以及该输入电力引脚。
6.如权利要求1所述的电源供应器的电压转换装置,其特征在于,该输出端具有10个引脚,所述引脚包含该输出待机引脚以及该输出电力引脚。
7.如权利要求1所述的电源供应器的电压转换装置,其特征在于,该输入端具有一输入数据引脚,该输出端具有一输出数据引脚,该输入数据引脚电性连接该输出数据引脚以传送一数据信号。
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