JPS5821874A - Electronic device - Google Patents
Electronic deviceInfo
- Publication number
- JPS5821874A JPS5821874A JP56120457A JP12045781A JPS5821874A JP S5821874 A JPS5821874 A JP S5821874A JP 56120457 A JP56120457 A JP 56120457A JP 12045781 A JP12045781 A JP 12045781A JP S5821874 A JPS5821874 A JP S5821874A
- Authority
- JP
- Japan
- Prior art keywords
- solar cell
- light
- electronic device
- light transmitting
- transmitting body
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000001746 injection moulding Methods 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、太陽電池を電源とする電子機器の受光発電体
に係り、特に、太陽電池と光透過体とを一体化した電子
機器に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a light-receiving power generating body for an electronic device using a solar cell as a power source, and particularly to an electronic device in which a solar cell and a light transmitting body are integrated.
現在、一般的に電子機器、特に電卓等の電源として使用
されている光電気変換効率の良いシリコン単結晶型太陽
電池は第１図に示す構造となっている。１はシリコン単
結晶からなる太陽電池セルで、外表面が受ツＣ部である
。２は、プリント回路基板であり、太陽電池セル１の起
電力のマイナス電位は、プリント回路基板２と、導電性
接着剤６を介し導通している。該導電性接着剤３は、太
陽電池セル１にプリント回路基板２へと固定する役目も
果すものである。又、プラス電位は、太陽電池セル１の
表１ｈ１からプリント回路基板２へとリード線４で導か
れている。BACKGROUND OF THE INVENTION At present, a silicon single crystal solar cell with good photoelectric conversion efficiency, which is generally used as a power source for electronic devices, especially calculators, etc., has a structure shown in FIG. Reference numeral 1 denotes a solar cell made of single crystal silicon, the outer surface of which is a receiving portion C. 2 is a printed circuit board, and the negative potential of the electromotive force of the solar cell 1 is electrically connected to the printed circuit board 2 via a conductive adhesive 6. The conductive adhesive 3 also serves to fix the solar cell 1 to the printed circuit board 2. Further, the positive potential is led from the front surface 1h1 of the solar cell 1 to the printed circuit board 2 by a lead wire 4.
通常、電卓に使用する太陽電池の起電力は６ｖ程度必要
であるため、単独の太陽電池セルでは６ｖの起電力全行
るには不光分であり、複数枚の太陽電池セル全プリント
回路基板上に並べ、各々の起電力を直列接続する様導電
接着剤ろ、リード線４およびプリント回路基板２上の回
路パターンで構成して（・る。従って、太陽電池セル１
の使用個数だけ導電性接着剤乙の接着箇所が必要であり
リード線４も同様に必要となっている。又、シリコン単
結晶よりなる太陽電池セル１は機械的強度が弱いため床
の上に不用意に落下させてしまったり、堅い物をぶつけ
たりすると割れてし１５といったもろさがある。さらに
導電性接着剤３も接着力が弱いため、容易に剥れてしま
う事がある。５は太陽電池による起電力の出力端子で、
プラス端子とマイナス端子の２端子があり外部との接続
用に供する。Normally, solar cells used in calculators require an electromotive force of about 6V, so a single solar cell is too light to handle the entire 6V electromotive force, and multiple solar cells must be mounted on all printed circuit boards. The circuit pattern on the conductive adhesive filter, the lead wire 4, and the printed circuit board 2 connects each electromotive force in series.
The number of bonding locations for the conductive adhesive B is equal to the number of used conductive adhesives B, and the lead wires 4 are also required. Furthermore, the solar cell 1 made of single crystal silicon has low mechanical strength, and is therefore brittle and may break if it is accidentally dropped on the floor or hit by a hard object. Furthermore, since the conductive adhesive 3 also has a weak adhesive force, it may easily peel off. 5 is the output terminal of the electromotive force generated by the solar cell,
It has two terminals, a positive terminal and a negative terminal, and is used for external connections.
以上のごとき構成の太陽電池を電車に実装した従来例を
第２図の断面図で説明する。太陽電池は、金属板の太陽
電池ホルダー６上に接着固定され、さらに太陽電池ホル
ダー６は、プリント回路基板７上にビス８などで固定さ
れる。太陽電池出力端子５は、リード線９の片側と半田
付導通固定され、他の端部はプリント回路基板Ｚ上の入
カバターンと半田付導通固定されている。太陽電池の起
電力は、該リード線９を介してプリント回路基板へ供給
され、演算処理を行５ＬＳＩ（大規模集積回路）１０へ
と導かれる。太陽電池セル１の上方にはアクリル等の透
明プラスチックによる受光窓１１が設けられ、外部元を
太陽電池セル１へとり入れる。A conventional example in which a solar cell having the above configuration is mounted on a train will be explained with reference to the cross-sectional view of FIG. 2. The solar cell is adhesively fixed on a solar cell holder 6 made of a metal plate, and the solar cell holder 6 is further fixed on a printed circuit board 7 with screws 8 or the like. The solar cell output terminal 5 is fixedly connected to one side of the lead wire 9 by soldering, and the other end is fixedly connected to the input cover turn on the printed circuit board Z by soldering. The electromotive force of the solar cell is supplied to the printed circuit board through the lead wire 9 and guided to the row 5 LSI (Large Scale Integrated Circuit) 10 for arithmetic processing. A light receiving window 11 made of transparent plastic such as acrylic is provided above the solar cell 1 to introduce an external source into the solar cell 1 .
受光窓１１は、ＡＢＳ樹脂等のプラスチックでできた上
ケース１２へ固定されている。受光窓１１からの透過光
は、太陽′電池セル１の上面を隅々まで（まなく照射さ
せる必要があるが、電卓内部の構造物を不必要に外側よ
り可視させ、電卓の品位を低下させるものであってはな
らないので、受光窓１１表向積は必要最少限に留めてお
き、かつ太陽電池セル１と正確に位置合せをしなければ
ならない。以上のような実装構造をとる従来の太陽電池
付電卓においては、以下に列挙するごと（の難点をもつ
。The light receiving window 11 is fixed to an upper case 12 made of plastic such as ABS resin. The transmitted light from the light-receiving window 11 needs to illuminate every corner of the top surface of the solar battery cell 1, but it makes the internal structure of the calculator unnecessarily visible from the outside and degrades the quality of the calculator. Therefore, the surface area of the light-receiving window 11 must be kept to the minimum necessary and the position must be accurately aligned with the solar cell 1. Conventional solar panels with the above-mentioned mounting structure Calculators with batteries have the following drawbacks.
（イ）電卓組立工程時に太陽電池セル１の表面受光部お
よび受光窓１１の下面にゴミやホコリが付着し易（、外
部よりの入射光損失の原因ともなり、又それが出力電圧
の低下につながる為ゴミやホコリが付着しない様管理が
必要となる。又組立終了時に、ゴミ、ホコリの付着が発
見された場合電卓を分解し、除去しなければならな（、
非常に手間がかかる。(b) During the calculator assembly process, dirt and dust tend to adhere to the light-receiving area on the front surface of the solar cell 1 and the lower surface of the light-receiving window 11 (this can cause loss of incident light from the outside, and can also cause a drop in output voltage). Since the calculator is connected, it must be managed to prevent dirt and dust from adhering to it.Also, if dirt or dust is found to be attached at the end of assembly, the calculator must be disassembled and removed.
It's very time consuming.
（ロ）太陽電池自体の機械的強度が弱い為、組立時に取
扱いに注意を払わなければならない。(b) Since the mechanical strength of the solar cell itself is weak, care must be taken when handling it during assembly.
（・］太太陽池を電卓内に固定するための部品太陽電池
ホルダー６等の部品が必要であり、その為部品点数が増
加するとともに、太陽電池と太陽電池ホルダー６および
太陽電池ホルダー６とブリ因になっている。(・) Parts for fixing the solar cell inside the calculator Parts such as the solar cell holder 6 are required, which increases the number of parts. It is the cause.
（ニ）受光窓１１と太陽電池セル１との正確な位置合せ
が必斐であるが、受光窓１１と太陽電池セル１の間には
、太陽電池ホルダー６、プリント回路基板７、上ケース
１２等の介在部品があり、位置合せが非常に困蛯である
。(d) Accurate alignment between the light receiving window 11 and the solar cell 1 is essential; however, between the light receiving window 11 and the solar cell 1, there is a solar cell holder 6, a printed circuit board 7, and an upper case 12. There are intervening parts such as, making alignment extremely difficult.
本発明は、上記の点を鑑みなされたもので、外部からの
元を太陽電池に照射するために設けられる光透過体の形
成時に、太陽電池を挿入して一体化することで、太陽電
池単独のものを使用するのた機械強度を付加でき電子機
器等に装着する上で組立作業が容易でしかも太陽電池を
保持するホルダー等の部品を不必要ならしめる電子機器
を提供することにある。The present invention has been made in view of the above points, and by inserting and integrating solar cells when forming a light transmitting body provided for irradiating solar cells with an external source, solar cells can be made to stand alone. To provide an electronic device which can add mechanical strength when used, is easy to assemble when attached to an electronic device, and eliminates the need for parts such as a holder for holding a solar cell.
以下、本発明の一実施例を図面に従って説明する。第６
図は、本発明の一実施例である電子機器に使用される受
光発電体の断面図で、１６はアクリル樹脂等の透明プラ
スチックよりなる光透過体で、少なくとも太陽電池セル
１の外表面と密着し覆っている。又固定をより確実強固
にする為、ボス１４やツメ１５が適宜設けられプリント
回路基板２を保持する構造上なっている。太陽電池の出
力端子５はリード線等を接続するため、光透過体１６で
覆われない様にする。An embodiment of the present invention will be described below with reference to the drawings. 6th
The figure is a cross-sectional view of a photovoltaic power generating body used in an electronic device, which is an embodiment of the present invention, and 16 is a light transmitting body made of transparent plastic such as acrylic resin, which is in close contact with at least the outer surface of the solar cell 1. It's covered. Further, in order to securely and firmly fix the printed circuit board 2, bosses 14 and claws 15 are appropriately provided in the structure to hold the printed circuit board 2. Since the output terminal 5 of the solar cell is connected to a lead wire or the like, it is not covered with the light transmitting body 16.
第６図に示した受光発′１体は、例えば第４図に示す方
法で形成きれる。即ち、モールド射出射成形金型のコア
型１６とキャビティ型１７内に第１図に示す太陽電池を
あらかじめインサートして所定の位置に保持しておき、
コア型１６とキャビティ型１７によってできる間隙に光
透過体１６を高温流動化させた材料を材料入口１８より
充填し、冷却固化させる事により得られる。The light receiving and emitting body shown in FIG. 6 can be formed, for example, by the method shown in FIG. That is, the solar cell shown in FIG. 1 is inserted in advance into the core mold 16 and cavity mold 17 of the injection mold and held at a predetermined position.
It is obtained by filling the gap formed by the core mold 16 and the cavity mold 17 with a material obtained by fluidizing the light transmitting body 16 at a high temperature through the material inlet 18, and cooling and solidifying the material.
第４図は、前記高温流動化させた光透過体１３を充填し
終った状態を示しており、その高温流動化させた光透過
体１６の冷却同化後にコア型１６とキャピテイ型１７は
型合せ面１９より矢印方向へ開（。その際成型品は２０
に示すアンダ一部等によりコア型１６側へ付着して金型
が開くが、さらに成型品をコア型１６から取出し易くす
る為、押出しビン２１で押出し、容易に成形品を取出せ
る様位（Ｈｙさせる。型より取出した成型品は、不要部
と一体になっている為、ゲート部２２より不要部を切断
すれば、第６図に示す形状の受光発電体が得られる。FIG. 4 shows a state in which the high temperature fluidized light transmitting body 13 has been filled, and after the high temperature fluidized light transmitting body 16 is cooled and assimilated, the core mold 16 and the cavity mold 17 are molded together. Open from surface 19 in the direction of the arrow (at this time, the molded product should be 20
The mold is opened by adhering to the core mold 16 side by the part of the underside shown in the figure, but in order to make it easier to take out the molded product from the core mold 16, it is extruded with the extrusion bottle 21 so that the molded product can be easily taken out ( The molded product taken out from the mold is integrated with unnecessary parts, so if the unnecessary parts are cut off from the gate part 22, a photovoltaic power generating body having the shape shown in FIG. 6 can be obtained.
以上のどと（形成された受光発電体を電子機器特に電卓
に実装した状態を第５図に示す。太陽電池と一体化され
た光透過体１６は直接上ケース２３に接着剤、超音波溶
着等の方法で固定される。該構造では上ケース２３に対
し太陽電池セル１の位キが排除され、外部光を太陽電池
セル１へと効率的に導入できる。しかも太陽電池セル１
以外の領域へは外部光が照射しない掻上ケース２６の開
口部形状が設屋しであるので、電卓内部の構造物を不必
要に可視でセない構造となる。FIG. 5 shows a state in which the formed photovoltaic power generating body is mounted on an electronic device, particularly a calculator. In this structure, the position of the solar cell 1 with respect to the upper case 23 is eliminated, and external light can be efficiently introduced into the solar cell 1.
Since the opening of the lifting case 26 is shaped so that external light does not irradiate other areas, the structure is such that the structure inside the calculator is not unnecessarily visible.
以上説明したように本発明によれば、光透過体の形成時
に、太陽′ぼ池を挿入して一体化することで、太１場電
池を電卓等に装着する際のゴミ、ホコリ等の付着による
太陽電池からの電圧供給の低下を防ぐことができると共
に機械強匿を付加でき、太陽゛電池の装着が容易でしか
も太陽電池ホルダー等の部品を不必要とすることができ
る電子機器全提供することができる。As explained above, according to the present invention, a solar cell is inserted and integrated when forming a light transmitting body, so that dirt, dust, etc. can be removed when a solar cell is attached to a calculator, etc. To provide a complete set of electronic devices that can prevent voltage supply from a solar cell from being reduced due to damage, can be mechanically protected, can easily attach a solar cell, and can eliminate the need for parts such as a solar cell holder. be able to.
第１図は、従来よつ使用されている太陽′ｄ池の構造２
示す断面図、第２図は第１図に示す太陽電池を電卓に実
装した従来構造例全示す断面図、第６図は、不発明によ
る電子機器に使用される受光発電体の構造を示す断面図
、ｇ４図は、第６図に示す受光発電体の形成法？示す断
面図、第５図は、不発明による′１電子器の構造２示す
断面図であり、１は太陽電池セル、２はプリント回路基
板、６は太陽電池ホルダー、１６は光透過体である。
出願人 キャノン株式会社
ヒ−：Ｌ＋Ｌｉ−Figure 1 shows the structure 2 of a conventionally used solar pond.
FIG. 2 is a cross-sectional view showing an example of a conventional structure in which the solar cell shown in FIG. 1 is mounted on a calculator. FIG. Figure 4 shows the method for forming the photovoltaic power generating body shown in Figure 6? FIG. 5 is a cross-sectional view showing the structure 2 of the electronic device '1 according to the invention, in which 1 is a solar cell, 2 is a printed circuit board, 6 is a solar cell holder, and 16 is a light transmitting body. . Applicant Canon Co., Ltd.: L+Li-
Claims (2)
れる光透過体と前記光透過体に密着した前記太陽電池を
有する電子機器。(1) An electronic device having a light transmitting body provided for irradiating the solar cell with an external source and the solar cell in close contact with the light transmitting body.
器に設けられる光透過体の形成時に太陽電池を挿入して
同時形成し、前記光透過体と前記太陽電池を一体化した
ことを特徴とする電子機器。(2) When forming a light transmitting body provided in an electronic device in order to irradiate the solar cell with an external source, a solar cell is inserted and formed at the same time, and the light transmitting body and the solar cell are integrated. Featured electronic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56120457A JPS5821874A (en) | 1981-07-31 | 1981-07-31 | Electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56120457A JPS5821874A (en) | 1981-07-31 | 1981-07-31 | Electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5821874A true JPS5821874A (en) | 1983-02-08 |
Family
ID=14786644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56120457A Pending JPS5821874A (en) | 1981-07-31 | 1981-07-31 | Electronic device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5821874A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0325369A2 (en) * | 1988-01-20 | 1989-07-26 | Siemens Solar Industries L.P. | Photovoltaic module |
| US5008062A (en) * | 1988-01-20 | 1991-04-16 | Siemens Solar Industries, L.P. | Method of fabricating photovoltaic module |
| EP0867041A1 (en) * | 1995-12-13 | 1998-09-30 | Energy Conversion Devices, Inc. | Photovoltaic module having an injection molded encapsulant |
| US8938920B2 (en) | 2008-05-05 | 2015-01-27 | Dow Global Technologies Llc | Photovoltaic device and method |
-
1981
- 1981-07-31 JP JP56120457A patent/JPS5821874A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0325369A2 (en) * | 1988-01-20 | 1989-07-26 | Siemens Solar Industries L.P. | Photovoltaic module |
| US5008062A (en) * | 1988-01-20 | 1991-04-16 | Siemens Solar Industries, L.P. | Method of fabricating photovoltaic module |
| EP0867041A1 (en) * | 1995-12-13 | 1998-09-30 | Energy Conversion Devices, Inc. | Photovoltaic module having an injection molded encapsulant |
| EP0867041A4 (en) * | 1995-12-13 | 1998-11-11 | ||
| US8938920B2 (en) | 2008-05-05 | 2015-01-27 | Dow Global Technologies Llc | Photovoltaic device and method |
| US9196756B2 (en) | 2008-05-05 | 2015-11-24 | Dow Global Technologies Llc | Photovoltaic device and method |
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