CN104321842B - 非接触供电变压器 - Google Patents
非接触供电变压器 Download PDFInfo
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Abstract
本发明提供非接触供电变压器。线圈主体具备:构成并行的一对磁极部的磁极磁芯部件(141、142)、与磁极磁芯部件(141、142)正交并连接并行的一对磁极磁芯部件(141、142)的一部分的绕组磁芯部件、以及卷绕于绕组磁芯部件的电线(150)。线圈主体被固定于具备磁屏蔽功能以及散热功能的固定板(160),绕组磁芯部件相对于磁极磁芯部件(141、142)的连接位置从磁极磁芯部件(141、142)的长度方向的中心偏向一方,将被一对磁极磁芯部件(141、142)的包含到连接位置为止的距离长的一方的端部的部分夹住的空间,作为与电线(150)电连接的零件的配置空间(70)利用。在非接触供电变压器收容线圈主体以及与其电连接的零件,因此设置时的配线作业的负担减少。
Description
技术领域
本发明涉及以非接触的方式对电动汽车等供电的非接触供电系统的供电变压器以及连接于供电变压器的电气部件,使变压器对车辆等的设置容易。
背景技术
作为对电动汽车、插入式混合动力车(plug-in hybrid car)的电池进行充电的系统的一个例子,如图8所示,开发出一种在车辆的地板面设置非接触供电系统的供电变压器30的二次侧变压器(受电变压器)33,从设置于地上侧的一次侧变压器(送电变压器)31利用电磁感应以非接触的方式进行供电的方法。
接受充电的插入式混合动力车具有发动机54及马达53来作为驱动源,并具备作为马达用电源的二次电池51、及将二次电池51的直流变换为交流并供给至马达的逆变器52。
对二次电池51进行供电的非接触供电系统在地上侧具备:将商用电源的交流变换为直流并且使其电压可变的可变电压整流器10、从直流生成高频交流的逆变器20、作为非接触供电变压器30的一方的送电变压器31、以及与送电变压器31串联连接的一次侧串联电容器32。
另一方面,在车辆侧具备:作为非接触供电变压器30的另一方的受电变压器33、为二次电池而将交流变换为直流的整流器35、并联连接在受电变压器33与整流器35之间的二次侧并联共振电容器34。
图9表示该非接触供电系统的电路图的一个例子。
在该系统中,即便在车辆的停车位置偏移而使送电变压器31没有正对受电变压器33、送电变压器31与受电变压器33的间隙(间隔)变动的情况下,也要求供电效率不大幅度地降低。
在下述专利文献1公开有位置偏移、间隙变动的容许量大,并且能够构成小型的非接触供电变压器。如图10A~图10F所示,对于该非接触供电变压器而言,将铁氧体磁芯40构成H字形,将H字的两侧的平行的部分设为磁极部41、42,在相当于H字的横杆部分、即绕组磁芯部件43(连接磁极部之间的部分)卷绕有电线50。此外,图10A为在铁氧体磁芯40卷绕有电线50的状态,图10D为在铁氧体磁芯40未卷绕有电线50的状态。另外,图10B为沿着图10A的A-A线剖开的剖视图,图10C为沿着图10A的B-B线剖开的剖视图。同样地,图10E为沿着图10D的A-A线剖开的剖视图,图10F为沿着图10D的B-B线剖开的剖视图。
在使用了该H字形磁芯的非接触供电变压器中,在通过以标准间隙长度70mm的间隔对置的送电变压器以及受电变压器进行3kW的供电的情况下,能够获得满足变压器的效率为95%、左右方向(图10A的y方向)的位置偏移容许量为±150mm、前后方向(图10A的x方向)的位置偏移容许量为±60mm、另外将标准间隙长度扩大至100mm时的效率为92%的实用性的特性。
另外,在使用H字形磁芯的非接触供电变压器中,也试制了能够迅速充电的10kW以上的大容量的变压器。
专利文献1:日本特开2011-50127号公报
图11表示本发明的发明人等作为车辆安装用或地上设置用的制品而试制的、具备H字形磁芯的非接触供电变压器的一个例子。
在该制品中,在连接磁极部41、42之间的被绕组部(在该图中卷绕有电线50而无法观察)卷绕电线50而形成有线圈主体,该线圈主体被固定于作为筐体的基座板的固定板60。固定板60在车辆安装用的制品中,被安装于车辆的地板的外侧。此外,在实际的制品中,固定板60的固定了线圈主体的前表面(与对象变压器对置的面)被树脂罩覆盖,但在图11中,省略树脂罩。
该固定板60由铝板构成,并具有对线圈主体的漏磁通进行磁屏蔽的功能、及对在通电时从线圈主体产生的热进行散热的功能。在固定板60的磁极部41与磁极部42的中间位置,形成有用于电线50的端部导入导出的导出导入孔61。在该位置设置导出导入孔61基于以下的理由。
图12表示从具有H字形磁芯的线圈主体产生的漏磁通的分布。漏磁通由在铁氧体磁芯40的周围表示的阴影线来表示。在磁极部41与磁极部42的中间位置,若从电线50分离则漏磁通的分布密度降低,从而在磁极部41与磁极部42的中央位置100(线段100-100的位置)成为最低。因此,即使在该位置的固定板60开设导出导入孔61而引出电线,也不会破坏固定板60的磁屏蔽功能。
但是,在该非接触供电变压器中,相对于从固定板60的导出导入孔61被引出的电线50,在车辆安装用的制品的情况下,如图8所示必须电连接二次侧并联共振电容器34、整流器35。另外,在地上设置用的制品的情况下,必须电连接一次侧串联电容器32。因此存在变压器设置时的作业负担增大,并且需要确保配线空间的课题。
发明内容
本发明是考虑这样的情况而发明的,目的在于提供一种不需要在设置时确保配线空间,另外设置容易的非接触供电变压器。
本发明的非接触供电变压器的特征在于,线圈主体具备:磁极磁芯部件,其构成并行的一对磁极部;绕组磁芯部件,其与磁极磁芯部件正交,并将并行的一对磁极磁芯部件的一部分连接起来;以及电线,其卷绕于绕组磁芯部件。该线圈主体被固定于具备磁屏蔽功能以及散热功能的固定板,绕组磁芯部件相对于磁极磁芯部件的连接位置,从磁极磁芯部件的长度方向的中心偏向一方,将被一对磁极磁芯部件的、包含到上述连接位置为止的距离长的一方的端部的部分夹住的空间,作为与电线电连接的零件的配置空间的至少一部分利用。
在该非接触供电变压器中,使H字形磁芯的绕组部的位置向一侧偏置,将由此空出来的空间,作为与电线电连接的零件的配置空间利用。
另外,在本发明的非接触供电变压器中,配置空间也可以设定于从磁极磁芯部件以及卷绕于绕组磁芯部件的电线分离的区域。
换句话说,以零件不因漏磁通而受损失的方式将配置空间设定于从线圈主体泄漏的漏磁通少的区域。
另外,在本发明的非接触供电变压器中,也可以由卷绕于绕组磁芯部件的电线构成一次侧线圈,并利用磁极磁芯部件之间的配置空间,配置与一次侧线圈串联连接的电容器。
在该情况下,能够在具有一次侧线圈的送电变压器内置与一次侧线圈串联连接的电容器。
另外,在本发明的非接触供电变压器中,也可以由卷绕于绕组磁芯部件的电线构成二次侧线圈,并利用磁极磁芯部件之间的配置空间,配置与二次侧线圈并联连接的电容器。
在该情况下,能够在具有二次侧线圈的受电变压器内置与二次侧线圈并联连接的电容器。
另外,在本发明的非接触供电变压器中,也可以由卷绕于绕组磁芯部件的电线构成二次侧线圈,并利用磁极磁芯部件之间的配置空间,配置与二次侧线圈并联连接的电容器以及与该电容器并联连接的整流器。
在该情况下,能够在具有二次侧线圈的受电变压器内置与二次侧线圈并联连接的电容器以及整流器。
另外,在本发明的非接触供电变压器中,也可以将整流器直接安装于固定板。
在该情况下,能够将作为筐体的基座板的固定板,作为整流器的冷却板利用。
在本发明的非接触供电变压器中,利用磁极磁芯部件之间的配置空间收容线圈主体以及与该线圈主体电连接的零件,因此不需要确保上述零件的配线空间,从而能够减轻变压器设置时的配线作业的负担。另外,一次侧串联电容器Cs以及二次侧并联电容器Cp如(式1)、(式2)所示那样由变压器常量决定,因此期望设置于变压器的附近。此外,在式1中,ω0=2πf,f为施加于非接触供电变压器的电源频率。Xp为阻抗,x0’为非接触供电变压器的二次侧换算励磁电抗,x2为非接触供电变压器的二次侧泄漏电抗。另外,在式2中,Cs’为二次侧换算一次串联电容器,xs’为阻抗,x1’为非接触供电变压器的二次侧换算一次泄漏电抗。并且,在二次侧供电变压器内置并联电容器以及整流器,能够减少电噪声对在车辆侧大量搭载的电子部件的影响。
[式1]
(式1)
[式2]
(式2)
附图说明
图1是表示实施方式所涉及的非接触供电变压器的图。
图2是表示实施方式所涉及的送电变压器的内部的图。
图3是表示实施方式所涉及的受电变压器的内部的图。
图4是表示实施方式所涉及的送电变压器以及受电变压器的外形的图。
图5是表示在固定板直接安装了整流器的方式的图。
图6是对实施方式所涉及的非接触供电变压器的变压器常量的测定值进行说明的图。
图7是表示表示实施方式所涉及的非接触供电变压器的位置偏移特性的图表的图。
图8是表示车辆的非接触供电系统的一个例子的图。
图9是表示图8的非接触供电系统的电路图的一个例子的图。
图10A是具有H字形磁芯的线圈主体的说明图,且是表示卷绕有线圈的状态的图。
图10B是沿着图10A的A-A线剖开的剖视图。
图10C是沿着图10A的B-B线剖开的剖视图。
图10D是具有H字形磁芯的线圈主体的说明图,且是未卷绕有线圈的状态的图。
图10E是沿着图10D的A-A线剖开的剖视图。
图10F是沿着图10D的B-B线剖开的剖视图。
图11是表示具备H字形磁芯的非接触供电变压器的一个例子的图。
图12是表示具有H字形磁芯的线圈主体的漏磁通分布的一个例子的图。
具体实施方式
以下,基于附图对本发明所涉及的非接触供电变压器的实施例详细地进行说明。此外,本发明不被该实施例所限定。
图1表示本发明的实施方式所涉及的非接触供电变压器。
线圈主体由构成并行的一对磁极部的磁极磁芯部件141、142、与磁极磁芯部件141、142正交的绕组磁芯部件(在该图中由于卷绕有电线150所以无法观察)、以及卷绕于绕组磁芯部件的电线150构成。在这一点上,与图11的具有H字形磁芯的线圈主体相同,但在本实施例的非接触供电变压器中,绕组磁芯部件相对于磁极磁芯部件141、142的连接位置,从磁极磁芯部件141、142的长度方向的中心偏向一方,从而磁芯形状呈“C字形”,在这一点上与图11的线圈主体不同。
该线圈主体固定于作为筐体的基座板的由铝板形成的固定板160。
在该非接触供电变压器中,利用使电线150以及绕组磁芯部件靠向磁极磁芯部件141、142的长度方向的一方向而产生的空间,在该空间内,将从电线150以及磁极磁芯部件141、142分离的区域,作为与电线150电连接的零件的配置空间70使用。
在送电变压器中,在该配置空间70配置与一次侧线圈串联连接的一次侧串联电容器32(参照图8)。
另外,在受电变压器中,在该配置空间70配置与二次侧线圈并联连接的二次侧并联共振电容器34(参照图8)。另外,在受电变压器中,也能够进一步配置与二次侧并联共振电容器34并联连接的整流器35(参照图8)。
图2表示在配置空间70安装印刷电路板而配置了一次侧串联电容器32的送电变压器131。
另外,图3表示在配置空间70安装印刷电路板而配置了一次侧串联电容器32以及整流器35的受电变压器133。
另外,图4表示在固定板160固定了筐体的树脂罩162的送电变压器131以及受电变压器133的外观。
如图2、图3所示,零件的配置空间70也可以从被一对磁极磁芯部件141、142夹住的空间更向外侧扩展。
在一对磁极磁芯部件141、142之间的空间中,如根据图12明确的那样,从线圈主体产生的漏磁通的分布,越从电线150、磁极磁芯部件141、142分离越少。通过在漏磁通少的区域配置一次侧串联电容器32、整流器35,能够消除漏磁通对上述的零件的影响。
此外,如图5所示,整流器35也可以直接安装于固定板160,从而将固定板160利用为整流器35的冷却板。
这样,即使在非接触供电变压器内置一次侧串联电容器32、整流器35,也不会在变压器常量、供电效率上有大的变化。
为了对上述情况进行确认,在非接触供电变压器设定“无内置零件的状态”、“设置未安装零件的印刷电路板(PCB)的状态”以及“设置安装零件的印刷电路板的状态”三个状态,对各状态下的变压器特性进行测定,对各状态下的变压器特性进行比较。
图6表示以“无内置零件的状态”的变压器常量正规化的“设置未安装零件的印刷电路板的状态”以及“设置安装零件的印刷电路板的状态”的变压器常量的测定值。可以明确,不管在哪一种情况下,变压器常量及理论最大效率的变化均小,由零件内置而导致的影响均几乎没有。
另外,在该非接触供电变压器中,使电线150以及绕组磁芯部件靠向磁极磁芯部件141、142的长度方向(图1的y方向)的一方向,因此在送电变压器131及受电变压器133向y方向偏移时,存在位置偏移特性不对称的担忧。但是,根据测定结果可知y方向的位置偏移特性对称。
图7表示送电变压器及受电变压器向y方向偏移时的效率的变化。此处,对图9的电路的逆变器20的输入端电力与整流器35的输出端电力进行测定来计算效率,将不存在y方向的位置偏移的状态下的效率为基准值,对计算出的效率进行正规化。
根据图7可知确保了y方向的位置偏移的对称性。
本发明所涉及的非接触供电变压器,设置简单,能够广泛利用于电动汽车、插入式混合动力车等各种移动体的非接触供电。
符号说明
10…可变电压整流器;20…逆变器;30…非接触供电变压器;31…送电变压器;32…一次侧串联电容器;33…受电变压器;34…二次侧并联共振电容器;35…整流器;40…铁氧体磁芯;41…磁极部;42…磁极部;43…绕组磁芯部件;50…电线;51…二次电池;52…逆变器;53…马达;54…发动机;60…固定板;61…导出导入孔;70…配置空间;131…送电变压器;133…受电变压器;141…磁极磁芯部件;142…磁极磁芯部件;150…电线;160…固定板;162…树脂罩。
Claims (6)
1.一种非接触供电变压器,其特征在于,
线圈主体具备:
磁极磁芯部件,其构成并行的一对磁极部;
绕组磁芯部件,其与所述磁极磁芯部件正交,并将并行的一对所述磁极磁芯部件的一部分连接起来;以及
电线,其卷绕于所述绕组磁芯部件,
所述线圈主体被固定于具备磁屏蔽功能以及散热功能的固定板,
所述绕组磁芯部件相对于所述磁极磁芯部件的连接位置,从所述磁极磁芯部件的长度方向的中心偏向一方,
将被一对所述磁极磁芯部件的、包含到所述连接位置为止的距离长的一方的端部的部分夹住的空间,作为与所述电线电连接的零件的配置空间的至少一部分利用,
所述线圈主体配置成在与所述固定板正交的方向观察时不与所述零件重叠。
2.根据权利要求1所述的非接触供电变压器,其特征在于,
所述配置空间被设定于从所述磁极磁芯部件以及卷绕于所述绕组磁芯部件的电线分离的区域。
3.根据权利要求2所述的非接触供电变压器,其特征在于,
卷绕于所述绕组磁芯部件的电线构成一次侧线圈,所述零件为与所述一次侧线圈串联连接的电容器。
4.根据权利要求2所述的非接触供电变压器,其特征在于,
卷绕于所述绕组磁芯部件的电线构成二次侧线圈,所述零件为与所述二次侧线圈并联连接的电容器。
5.根据权利要求2所述的非接触供电变压器,其特征在于,
卷绕于所述绕组磁芯部件的电线构成二次侧线圈,所述零件为与所述二次侧线圈并联连接的电容器、以及与所述电容器并联连接的整流器。
6.根据权利要求5所述的非接触供电变压器,其特征在于,
所述整流器直接安装于所述固定板。
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US11271430B2 (en) | 2019-07-19 | 2022-03-08 | Nucurrent, Inc. | Wireless power transfer system with extended wireless charging range |
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Publication number | Priority date | Publication date | Assignee | Title |
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