TWI762632B - Battery module - Google Patents

Battery module Download PDF

Info

Publication number
TWI762632B
TWI762632B TW107115217A TW107115217A TWI762632B TW I762632 B TWI762632 B TW I762632B TW 107115217 A TW107115217 A TW 107115217A TW 107115217 A TW107115217 A TW 107115217A TW I762632 B TWI762632 B TW I762632B
Authority
TW
Taiwan
Prior art keywords
circuit board
battery module
sensing element
temperature sensing
protective cover
Prior art date
Application number
TW107115217A
Other languages
Chinese (zh)
Other versions
TW201947809A (en
Inventor
廖譽翔
Original Assignee
南韓商Lg新能源股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 南韓商Lg新能源股份有限公司 filed Critical 南韓商Lg新能源股份有限公司
Priority to TW107115217A priority Critical patent/TWI762632B/en
Publication of TW201947809A publication Critical patent/TW201947809A/en
Application granted granted Critical
Publication of TWI762632B publication Critical patent/TWI762632B/en

Links

Images

Classifications

    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Battery Mounting, Suspending (AREA)

Abstract

A battery module including at least one battery unit, a circuit board, a temperature sensing element and a protecting sleeve is provided. The circuit board is connected to the battery unit. The temperature sensing element is disposed on the circuit board and has a protruding portion, and the protruding portion is protruded from an edge of the circuit board to be in contact with the battery unit. The protecting sleeve is disposed on the circuit board and covers at least a part of the protruding portion.

Description

電池模組battery module

本發明是有關於一種電子構件,且特別是有關於一種電池模組。The present invention relates to an electronic component, and particularly to a battery module.

隨著現今科技的進步,由於筆記型電腦的功能日益茁壯,且其體積越來越小也便於攜帶,因此已成為消費性電子產品的市場主流。With the advancement of today's technology, notebook computers have become the mainstream of the consumer electronic product market due to their increasingly robust functions, smaller size and portability.

筆記型電腦包含裝設於其主機的電池模組,用以提供筆記型電腦運行所需電力。所述電池模組的電路板上一般會配置熱敏電阻(thermistor)等溫度感測元件來感測電池單元的溫度,以避免電池單元溫度過高而失效或損毀。然而,在組裝電池模組的過程中,組裝人員容易非預期地壓迫或彎折所述溫度感測元件而導致其損壞。The notebook computer includes a battery module installed on the host computer to provide the power required for the operation of the notebook computer. A temperature sensing element such as a thermistor is generally configured on the circuit board of the battery module to sense the temperature of the battery unit, so as to prevent the battery unit from being overheated and failing or being damaged. However, in the process of assembling the battery module, it is easy for the assembler to press or bend the temperature sensing element unexpectedly, resulting in its damage.

本發明提供一種電池模組,可避免其溫度感測元件受外力而損壞。The present invention provides a battery module, which can prevent its temperature sensing element from being damaged by external force.

本發明的電池模組,包括一電池單元、一電路板、一溫度感測元件及一保護套。電路板連接於電池單元。溫度感測元件配置於電路板上且具有一突伸部,突伸部從電路板的一邊緣突伸出而接觸電池單元。保護套配置於電路板上且罩覆至少部分突伸部。The battery module of the present invention includes a battery unit, a circuit board, a temperature sensing element and a protective cover. The circuit board is connected to the battery unit. The temperature sensing element is disposed on the circuit board and has a protruding part, and the protruding part protrudes from an edge of the circuit board to contact the battery unit. The protective cover is disposed on the circuit board and covers at least part of the protruding portion.

在本發明的一實施例中,上述的突伸部的一末端被暴露於保護套之外並接觸電池單元。In an embodiment of the present invention, one end of the above-mentioned protruding portion is exposed outside the protective cover and contacts the battery unit.

在本發明的一實施例中,上述的保護套包括一夾設部及一罩覆部,夾設部夾設於電路板的邊緣,罩覆部從電路板的邊緣突伸出且罩覆至少部分突伸部。In an embodiment of the present invention, the above-mentioned protective cover includes a clip portion and a cover portion, the clip portion is clipped on the edge of the circuit board, the cover portion protrudes from the edge of the circuit board and covers at least Partial overhang.

在本發明的一實施例中,上述的突伸部及罩覆部沿一方向從電路板的邊緣突伸出,罩覆部沿方向的長度小於突伸部沿方向的長度。In an embodiment of the present invention, the protruding portion and the covering portion protrude from the edge of the circuit board in one direction, and the length of the covering portion along the direction is smaller than the length of the protruding portion along the direction.

在本發明的一實施例中,上述的夾設部包括一第一夾臂及一第二夾臂,第一夾臂與第二夾臂之間具有間隙,電路板的邊緣被夾置於第一夾臂與第二夾臂之間。In an embodiment of the present invention, the clipping portion includes a first clipping arm and a second clipping arm, a gap exists between the first clipping arm and the second clipping arm, and the edge of the circuit board is sandwiched between the first clipping arm and the second clipping arm. between a clamping arm and a second clamping arm.

在本發明的一實施例中,上述的溫度感測元件配置於電路板的一表面上,第一夾臂位於表面上具有朝向表面的一凹槽,凹槽容納部分溫度感測元件。In an embodiment of the present invention, the above-mentioned temperature sensing element is disposed on a surface of the circuit board, the first clamping arm is located on the surface and has a groove facing the surface, and the groove accommodates part of the temperature sensing element.

在本發明的一實施例中,上述的凹槽沿垂直表面的方向的深度大於溫度感測元件沿方向的厚度。In an embodiment of the present invention, the depth of the above-mentioned groove along the direction perpendicular to the surface is greater than the thickness of the temperature sensing element along the direction.

在本發明的一實施例中,上述的罩覆部具有一通孔,通孔連通於凹槽且容納另一部分溫度感測元件。In an embodiment of the present invention, the above-mentioned cover portion has a through hole, the through hole communicates with the groove and accommodates another part of the temperature sensing element.

在本發明的一實施例中,上述的保護套的材質為彈性材料。In an embodiment of the present invention, the material of the above-mentioned protective cover is an elastic material.

在本發明的一實施例中,上述的溫度感測元件為熱敏電阻。In an embodiment of the present invention, the above-mentioned temperature sensing element is a thermistor.

基於上述,在本發明的電池模組中,電路板上增設了保護套,使溫度感測元件的突伸部被保護套罩覆。藉此,可避免溫度感測元件的突伸部受外力而彎折,以降低溫度感測元件損壞的機率。Based on the above, in the battery module of the present invention, a protective cover is added on the circuit board, so that the protruding portion of the temperature sensing element is covered by the protective cover. In this way, the protruding portion of the temperature sensing element can be prevented from being bent by an external force, so as to reduce the probability of damage to the temperature sensing element.

為讓本發明的上述特徵和優點能更明顯易懂,下文特舉實施例,並配合所附圖式作詳細說明如下。In order to make the above-mentioned features and advantages of the present invention more obvious and easy to understand, the following embodiments are given and described in detail with the accompanying drawings as follows.

圖1發明一實施例的電池模組的局部示意圖。圖2是圖1的電池模組的部分構件分解圖。請參考圖1及圖2,本實施例的電池模組100例如是用以裝設於筆記型電腦的電池模組,電池模組100包括一電池單元110、一電路板120、一溫度感測元件130及一保護套140。電路板120連接於電池單元110,以將電池單元110的電力供給至筆記型電腦。圖1所示電池單元110僅為示意,其可由多個電池構成並藉由框體而與電路板120固定在一起,本發明不對其形式加以限制。FIG. 1 is a partial schematic diagram of a battery module according to an embodiment of the invention. FIG. 2 is a partial exploded view of the battery module of FIG. 1 . Please refer to FIG. 1 and FIG. 2 . The battery module 100 of the present embodiment is, for example, a battery module installed in a notebook computer. The battery module 100 includes a battery unit 110 , a circuit board 120 , and a temperature sensor. element 130 and a protective cover 140 . The circuit board 120 is connected to the battery unit 110 to supply the power of the battery unit 110 to the notebook computer. The battery unit 110 shown in FIG. 1 is for illustration only, it can be composed of a plurality of batteries and is fixed with the circuit board 120 by a frame, and the present invention does not limit its form.

溫度感測元件130例如是熱敏電阻,其配置於電路板120上且具有一突伸部132,突伸部132沿方向D1從電路板120的一邊緣120a突伸出而接觸電池單元110。圖1所示突伸部132與電池單元110的相對關係僅為示意,突伸部132可直接接觸電池單元110,或是透過導熱膠而間接接觸電池單元110,本發明不對此加以限制。保護套140配置於電路板120上且罩覆溫度感測元件130的部分突伸部132,藉以避免溫度感測元件130的突伸部132受外力而彎折,以降低溫度感測元件130損壞的機率。The temperature sensing element 130 is, for example, a thermistor, which is disposed on the circuit board 120 and has a protruding portion 132 . The protruding portion 132 protrudes from an edge 120 a of the circuit board 120 along the direction D1 to contact the battery unit 110 . The relative relationship between the protruding portion 132 and the battery cell 110 shown in FIG. 1 is only for illustration. The protruding portion 132 can directly contact the battery cell 110 or indirectly contact the battery cell 110 through thermally conductive adhesive, which is not limited in the present invention. The protective cover 140 is disposed on the circuit board 120 and covers part of the protruding portion 132 of the temperature sensing element 130 , so as to prevent the protruding portion 132 of the temperature sensing element 130 from being bent by external force, so as to reduce the damage of the temperature sensing element 130 probability.

在本實施例中,保護套140的材質例如為塑膠或橡膠等絕緣彈性材料,以藉其彈性吸收製造與組裝公差,且可藉其絕緣性而避免其與電池單元110、電路板120或溫度感測元件130產生非預期的電性連接。In the present embodiment, the material of the protective cover 140 is, for example, an insulating elastic material such as plastic or rubber, so as to absorb manufacturing and assembly tolerances by virtue of its elasticity, and can avoid contact with the battery unit 110 , the circuit board 120 or the temperature by virtue of its insulating property The sensing element 130 makes an unexpected electrical connection.

請參考圖2,詳細而言,本實施例的保護套140包括一夾設部142及一罩覆部144,夾設部142夾設於電路板120的邊緣120a,罩覆部144沿方向D1從電路板120的邊緣120a突伸出且罩覆部分突伸部132。其中,罩覆部144沿方向D1的長度小於溫度感測元件130的突伸部132沿方向D1的長度,使突伸部132的末端可被暴露於保護套130之外並接觸電池單元110(繪示於圖1)。此外,保護套140如上述般藉其夾設部142而以夾設的方式來組裝於電路板120,其組裝便利性優於螺鎖或膠合等組裝方式。 Referring to FIG. 2 , in detail, the protective cover 140 of this embodiment includes a clip portion 142 and a cover portion 144 , the clip portion 142 is clipped on the edge 120 a of the circuit board 120 , and the cover portion 144 is along the direction D1 It protrudes from the edge 120a of the circuit board 120 and covers part of the protrusion 132 . The length of the cover portion 144 along the direction D1 is smaller than the length of the protruding portion 132 of the temperature sensing element 130 along the direction D1, so that the end of the protruding portion 132 can be exposed outside the protective cover 130 and contact the battery cells 110 ( shown in Figure 1). In addition, as described above, the protective cover 140 is assembled to the circuit board 120 in a sandwiching manner by means of the sandwiching portion 142 , and its assembly convenience is better than that of screw locking or gluing.

圖3是圖1的保護套的立體圖。圖4是圖1的電池模組的局部後視圖。請參考圖3及圖4,更詳細而言,本實施例的保護套140的夾設部142包括一第一夾臂142a及一第二夾臂142b,第一夾臂142a與第二夾臂142b之間具有間隙,電路板120的邊緣120a(標示於圖2)被夾置於第一夾臂142a與第二夾臂142b之間。 FIG. 3 is a perspective view of the protective cover of FIG. 1 . FIG. 4 is a partial rear view of the battery module of FIG. 1 . Please refer to FIG. 3 and FIG. 4 , in more detail, the clamping portion 142 of the protective cover 140 of this embodiment includes a first clamping arm 142a and a second clamping arm 142b, the first clamping arm 142a and the second clamping arm There is a gap between 142b, and the edge 120a (marked in FIG. 2) of the circuit board 120 is sandwiched between the first clamping arm 142a and the second clamping arm 142b.

承上,溫度感測元件130配置於電路板120的一表面120b上,夾設部142的第一夾臂142a位於表面120b上具有朝向表面120b的一凹槽R,凹槽R容納部分溫度感測元件130。保護套140的罩覆部144具有一通孔144a,通孔144a連通於第一夾臂142a的凹槽R且容納另一部分溫度感測元件130。亦即,溫度感測元件130除了被保護套140的罩覆部144罩覆,也被保護套140的夾設部142的第一夾臂142a罩覆,而獲得全面性的保護。此外,第一夾臂142a的凹槽R沿垂直表面120b的方向D2的深度大於溫度感測元件130沿方向D2的厚度,使溫度感測元件130不會非預期地被第一夾臂142a壓迫。 On top of that, the temperature sensing element 130 is disposed on a surface 120b of the circuit board 120, and the first clamping arm 142a of the clamping portion 142 is located on the surface 120b and has a groove R facing the surface 120b, and the groove R accommodates part of the temperature sensor measuring element 130. The cover portion 144 of the protective cover 140 has a through hole 144 a, and the through hole 144 a communicates with the groove R of the first clamping arm 142 a and accommodates another part of the temperature sensing element 130 . That is, the temperature sensing element 130 is not only covered by the covering portion 144 of the protective sleeve 140 , but also covered by the first clamping arm 142 a of the clip portion 142 of the protective sleeve 140 , so as to obtain comprehensive protection. In addition, the depth of the groove R of the first clamping arm 142a along the direction D2 of the vertical surface 120b is greater than the thickness of the temperature sensing element 130 along the direction D2, so that the temperature sensing element 130 will not be unintentionally pressed by the first clamping arm 142a .

綜上所述,在本發明的電池模組中,電路板上增設了保護套,使溫度感測元件的突伸部被保護套罩覆。藉此,可避免溫度感測元件的突伸部受外力而彎折,以降低溫度感測元件損壞的機率。此外,保護套可藉由夾設的方式來組裝於電路板,其組裝便利性優於螺鎖或膠合等組裝方式。To sum up, in the battery module of the present invention, a protective cover is added on the circuit board, so that the protruding portion of the temperature sensing element is covered by the protective cover. In this way, the protruding portion of the temperature sensing element can be prevented from being bent by an external force, so as to reduce the probability of damage to the temperature sensing element. In addition, the protective cover can be assembled on the circuit board by means of clipping, and its assembly convenience is better than that of screw locking or gluing.

雖然本發明已以實施例揭露如上,然其並非用以限定本發明,任何所屬技術領域中具有通常知識者,在不脫離本發明的精神和範圍內,當可作些許的更動與潤飾,故本發明的保護範圍當視後附的申請專利範圍所界定者為準。Although the present invention has been disclosed as above with examples, it is not intended to limit the present invention. Anyone with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be determined by the scope of the appended patent application.

100‧‧‧電池模組110‧‧‧電池單元120‧‧‧電路板120a‧‧‧邊緣120b‧‧‧表面130‧‧‧溫度感測元件132‧‧‧突伸部140‧‧‧保護套142‧‧‧夾設部142a‧‧‧第一夾臂142b‧‧‧第二夾臂144‧‧‧罩覆部144a‧‧‧通孔D1、D2‧‧‧方向R‧‧‧凹槽100‧‧‧Battery module 110‧‧‧Battery unit 120‧‧‧Circuit board 120a‧‧‧Edge 120b‧‧‧Surface 130‧‧‧Temperature sensing element 132‧‧‧Protrusion 140‧‧‧Protective cover 142‧‧‧Clamping part 142a‧‧‧First clamping arm 142b‧‧‧Second clamping arm 144‧‧‧Covering part 144a‧‧‧Through hole D1, D2‧‧‧Direction R‧‧‧groove

圖1發明一實施例的電池模組的局部示意圖。 圖2是圖1的電池模組的部分構件分解圖。 圖3是圖1的保護套的立體圖。 圖4是圖1的電池模組的局部後視圖。FIG. 1 is a partial schematic diagram of a battery module according to an embodiment of the invention. FIG. 2 is a partial exploded view of the battery module of FIG. 1 . FIG. 3 is a perspective view of the protective cover of FIG. 1 . FIG. 4 is a partial rear view of the battery module of FIG. 1 .

100‧‧‧電池模組 100‧‧‧Battery Module

110‧‧‧電池單元 110‧‧‧Battery unit

120‧‧‧電路板 120‧‧‧Circuit board

130‧‧‧溫度感測元件 130‧‧‧Temperature Sensing Components

140‧‧‧保護套 140‧‧‧Protective case

Claims (9)

一種電池模組,包括:一電池單元;一電路板,連接於該電池單元;一溫度感測元件,配置於該電路板上且具有一突伸部,其中該突伸部從該電路板的一邊緣突伸出而接觸該電池單元;以及一保護套,配置於該電路板上且罩覆至少部分該突伸部,該保護套包括一夾設部及一罩覆部,該夾設部夾設於該電路板的該邊緣,該罩覆部從該電路板的該邊緣突伸出且罩覆至少部分該突伸部。 A battery module includes: a battery unit; a circuit board connected to the battery unit; a temperature sensing element disposed on the circuit board and having a protruding part, wherein the protruding part extends from the An edge protrudes out to contact the battery unit; and a protective cover is disposed on the circuit board and covers at least part of the protruding portion, the protective cover includes a clip portion and a cover portion, the clip portion Clipped on the edge of the circuit board, the covering portion protrudes from the edge of the circuit board and covers at least part of the protruding portion. 如申請專利範圍第1項所述的電池模組,其中該突伸部的一末端被暴露於該保護套之外並接觸該電池單元。 The battery module of claim 1, wherein one end of the protruding portion is exposed outside the protective cover and contacts the battery unit. 如申請專利範圍第1項所述的電池模組,其中該突伸部及該罩覆部沿一方向從該電路板的該邊緣突伸出,該罩覆部沿該方向的長度小於該突伸部沿該方向的長度。 The battery module of claim 1, wherein the protruding portion and the covering portion protrude from the edge of the circuit board along a direction, and the length of the covering portion along the direction is smaller than the length of the protruding portion The length of the extension in this direction. 如申請專利範圍第1項所述的電池模組,其中該夾設部包括一第一夾臂及一第二夾臂,該第一夾臂與該第二夾臂之間具有間隙,該電路板的該邊緣被夾置於該第一夾臂與該第二夾臂之間。 The battery module of claim 1, wherein the clamping portion includes a first clamping arm and a second clamping arm, and a gap is formed between the first clamping arm and the second clamping arm, and the circuit The edge of the plate is sandwiched between the first clamp arm and the second clamp arm. 如申請專利範圍第4項所述的電池模組,其中該溫度感測元件配置於該電路板的一表面上,該第一夾臂位於該表面上具有朝向該表面的一凹槽,該凹槽容納部分該溫度感測元件。 The battery module of claim 4, wherein the temperature sensing element is disposed on a surface of the circuit board, the first clamping arm is located on the surface and has a groove facing the surface, the concave The slot accommodates a portion of the temperature sensing element. 如申請專利範圍第5項所述的電池模組,其中該凹槽沿垂直該表面的方向的深度大於該溫度感測元件沿該方向的厚度。 The battery module of claim 5, wherein a depth of the groove along a direction perpendicular to the surface is greater than a thickness of the temperature sensing element along the direction. 如申請專利範圍第5項所述的電池模組,其中該罩覆部具有一通孔,該通孔連通於該凹槽且容納另一部分該溫度感測元件。 The battery module of claim 5, wherein the cover portion has a through hole, the through hole communicates with the groove and accommodates another part of the temperature sensing element. 如申請專利範圍第1項所述的電池模組,其中該保護套的材質為彈性材料。 The battery module according to item 1 of the claimed scope, wherein the material of the protective cover is an elastic material. 如申請專利範圍第1項所述的電池模組,其中該溫度感測元件為熱敏電阻。The battery module of claim 1, wherein the temperature sensing element is a thermistor.
TW107115217A 2018-05-04 2018-05-04 Battery module TWI762632B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW107115217A TWI762632B (en) 2018-05-04 2018-05-04 Battery module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW107115217A TWI762632B (en) 2018-05-04 2018-05-04 Battery module

Publications (2)

Publication Number Publication Date
TW201947809A TW201947809A (en) 2019-12-16
TWI762632B true TWI762632B (en) 2022-05-01

Family

ID=69583126

Family Applications (1)

Application Number Title Priority Date Filing Date
TW107115217A TWI762632B (en) 2018-05-04 2018-05-04 Battery module

Country Status (1)

Country Link
TW (1) TWI762632B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100136392A1 (en) * 2009-10-01 2010-06-03 Delphi Technologies, Inc. Cell temperature sensing apparatus for a batttery module
US8642198B2 (en) * 2005-10-27 2014-02-04 Johnson Controls Technology Center Battery system with temperature sensors
US20140065448A1 (en) * 2012-09-06 2014-03-06 Samsung Sdi Co., Ltd. Battery pack
KR101642341B1 (en) * 2015-01-28 2016-07-26 희성전자 주식회사 Interface board for detecting temperature and voltage of battery for energy storage equipment
US20170098867A1 (en) * 2014-06-30 2017-04-06 Byd Company Limited Battery module and signal collection unit of the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8642198B2 (en) * 2005-10-27 2014-02-04 Johnson Controls Technology Center Battery system with temperature sensors
US20100136392A1 (en) * 2009-10-01 2010-06-03 Delphi Technologies, Inc. Cell temperature sensing apparatus for a batttery module
US20140065448A1 (en) * 2012-09-06 2014-03-06 Samsung Sdi Co., Ltd. Battery pack
US20170098867A1 (en) * 2014-06-30 2017-04-06 Byd Company Limited Battery module and signal collection unit of the same
KR101642341B1 (en) * 2015-01-28 2016-07-26 희성전자 주식회사 Interface board for detecting temperature and voltage of battery for energy storage equipment

Also Published As

Publication number Publication date
TW201947809A (en) 2019-12-16

Similar Documents

Publication Publication Date Title
KR102538757B1 (en) Electronic device including shielding member coupled with conductive plate covering opening of a shield can
KR20170095613A (en) Heating device for camera module and camera module having the same
US8848396B2 (en) Electronic device
US20080180931A1 (en) Structure of mounting shield cover and display device
TWI406179B (en) Storage apparatus
TW201413462A (en) Universal serial bus socket and related electronic device
WO2018032871A1 (en) Fingerprint module and mobile terminal having same
US10380406B2 (en) Fingerprint sensor, method for manufacturing fingerprint sensor, and terminal
US9288925B2 (en) Electrical connector and electronic device having the same
TWI762632B (en) Battery module
US20120268887A1 (en) Flash drive
KR102427190B1 (en) Battery module
TWI751369B (en) Electrical connector and clip thereof
US8026865B2 (en) Antenna module and manufacturing method thereof
TWI496370B (en) Signal transmitting connector
US7695317B2 (en) Electrical connector
US11013102B2 (en) Printed circuit board and electronic device
CN113889357B (en) Key module and electronic equipment
JP5107750B2 (en) Electronic card
CN111124055A (en) Wearable computer
TW201407908A (en) Electronic device
JP6075176B2 (en) Power supply
JP2012253141A (en) Electronic apparatus
US10963021B2 (en) Electronic device and assembling method of electronic device
CN108770199B (en) Composite circuit board