JP2827762B2 - Solar radiation sensor for automotive air conditioners - Google Patents
Solar radiation sensor for automotive air conditionersInfo
- Publication number
- JP2827762B2 JP2827762B2 JP30430992A JP30430992A JP2827762B2 JP 2827762 B2 JP2827762 B2 JP 2827762B2 JP 30430992 A JP30430992 A JP 30430992A JP 30430992 A JP30430992 A JP 30430992A JP 2827762 B2 JP2827762 B2 JP 2827762B2
- Authority
- JP
- Japan
- Prior art keywords
- photodetector
- solar radiation
- lens
- radiation sensor
- air conditioner
- 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.)
- Expired - Fee Related
Links
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Air-Conditioning For Vehicles (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、自動車用空気調和装置
において、日射量を検出し、日射量を空気調和装置に必
要な信号に変換し出力する日射センサに関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solar radiation sensor for detecting the amount of solar radiation, converting the amount of solar radiation into a signal required for the air conditioner, and outputting the signal, in an air conditioner for a vehicle.
【０００２】[0002]
【従来の技術】自動車用空気調和装置の日射センサは、
一般に車室内のインパネ部に取り付けられており、太陽
光の強弱を感知し空気調和装置の制御のために信号を出
力しているが、特性的には乗員が感じている太陽光によ
る日射・輻射の熱量に合った信号を出力することが要求
されている。2. Description of the Related Art The solar radiation sensor of an air conditioner for a vehicle is:
Generally installed on the instrument panel in the passenger compartment, it senses the intensity of sunlight and outputs signals to control the air conditioner. It is required to output a signal corresponding to the amount of heat of the device.
【０００３】以下図面を用いて従来の自動車用空気調和
装置の日射センサの一例について説明する。[0003] An example of a conventional solar radiation sensor of a vehicle air conditioner will be described with reference to the drawings.
【０００４】図３（ａ）は従来の自動車用空気調和装置
の日射センサ構造を示す断面図である。図中の１は光検
出器であり光検出素子２を備えており、日射量に応じた
信号を出力している。また、レンズ３は光を集めるレン
ズ機能と、車室内のインパネ７に取り付けたときの見栄
えを良くするための意匠的な機能をも持っている。FIG. 3A is a sectional view showing a structure of a solar radiation sensor of a conventional air conditioner for a vehicle. In the figure, reference numeral 1 denotes a photodetector, which includes a photodetection element 2 and outputs a signal corresponding to the amount of solar radiation. The lens 3 also has a lens function of collecting light and a design function for improving the appearance when the lens 3 is attached to the instrument panel 7 in the vehicle interior.
【０００５】特開平１−３１６６１８号公報、特開平２
−１１２７３５号公報に示されているように、レンズ３
の透過・反射・屈折を利用して必要な日射センサ出力特
性を得るという手段が考えられている。このとき、レン
ズ３と光検出器１との相対的な位置関係がずれると、レ
ンズ３によって屈折させた太陽光が光検出器１の所定の
位置にあたらなくなり、所定の電気出力特性が得られな
くなってしまうためリード足４にプリント基板５をハン
ダ付けし、前記プリント基板５をケース６に係合させ位
置固定を行っている。[0005] JP-A-1-316618, JP-A-2
As shown in JP-A-112735, the lens 3
Means for obtaining necessary solar radiation sensor output characteristics by utilizing the transmission, reflection, and refraction of light are considered. At this time, if the relative positional relationship between the lens 3 and the photodetector 1 shifts, the sunlight refracted by the lens 3 does not reach a predetermined position on the photodetector 1, and a predetermined electric output characteristic is obtained. The printed circuit board 5 is soldered to the lead legs 4 because the printed circuit board is lost, and the printed circuit board 5 is engaged with the case 6 to fix the position.
【０００６】しかし、この方法ではハンダ付け工程での
バラツキのため正確には光検出器の位置は決まらず、図
３（ｂ）に示すようにプリント基板５から光検出器１ま
での距離が設定よりプラス側になるようにハンダ付けさ
れると光検出素子２の出力は、設定よりも大きくなって
しまう。またこの場合、レンズ３と光検出器１が干渉し
てしまい、そのまま組み立てるとリード足と基板との間
に応力が発生し最悪ハンダ付けが、はずれてしまい当初
の位置関係からずれてしまうという欠点がある。また、
図３（ｃ）に示すようにプリント基板５と光検出器１と
の距離がマイナス側になるようにハンダ付けされると光
検出素子２の出力は設定よりも小さくなってしまう。However, in this method, the position of the photodetector is not accurately determined due to variations in the soldering process, and the distance from the printed circuit board 5 to the photodetector 1 is set as shown in FIG. If the soldering is performed so as to be more positive, the output of the photodetector 2 will be larger than the setting. Further, in this case, the lens 3 and the photodetector 1 interfere with each other, and if assembled as they are, a stress is generated between the lead foot and the substrate, and the worst soldering is disengaged and deviates from the initial positional relationship. There is. Also,
As shown in FIG. 3 (c), when the soldering is performed so that the distance between the printed circuit board 5 and the photodetector 1 is on the minus side, the output of the photodetector 2 becomes smaller than the setting.
【０００７】[0007]
【発明が解決しようとする課題】そこで、本発明ではレ
ンズと光検出器の相対位置を規制するにあたり、リード
足と基板のハンダ付け部に無理な力がかかることなく、
かつ、レンズと光検出器を正確な位置関係に配置できる
構造を提供することにある。Therefore, in the present invention, in regulating the relative position between the lens and the photodetector, no excessive force is applied to the soldering portion between the lead foot and the substrate.
Another object of the present invention is to provide a structure in which a lens and a photodetector can be arranged in a precise positional relationship.
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するため
に、本発明の自動車用空気調和装置の日射センサは、光
検出器への入射光によって生じる電気出力信号を導くリ
ード足の一部に屈曲形状を設けたものである。In order to achieve the above object, a solar radiation sensor for a vehicle air conditioner according to the present invention comprises a part of a lead leg for conducting an electric output signal generated by light incident on a photodetector. A bent shape is provided.
【０００９】[0009]
【作用】本発明は上記した構成によって、リード足の一
部に設けた屈曲部がスプリングの役目をするため、プリ
ント基板と光検出器の距離をプラス側に設定しておき、
レンズ側に設けた光検出器の受け部に光検出器をあて
て、固定してもハンダ付け部に無理な力を加えることな
く、光検出器を正確な位置に設定できる。According to the present invention, the distance between the printed circuit board and the photodetector is set to the plus side because the bent portion provided on a part of the lead foot functions as a spring by the above-described configuration.
Even if the photodetector is applied to the receiving portion of the photodetector provided on the lens side and fixed, the photodetector can be set at an accurate position without applying excessive force to the soldering portion.
【００１０】[0010]
【実施例】以下、本発明の一実施例について図面を参照
しながら説明する。An embodiment of the present invention will be described below with reference to the drawings.
【００１１】図１は、本発明の一実施例における自動車
用空気調和装置の日射センサの断面図である。同図にお
いて１は光検出器であり、光検出素子２を少なくとも１
個備えており、光検出器１は光検出素子２にあたった日
射量を検知し、その日射量の強弱に応じた信号を出力す
る。この出力信号は空気調和装置の制御部に送られ、日
射量の強弱を考慮した制御がなされる。また、３はレン
ズであり、このレンズの内側面は太陽光の透過・屈折を
変化させ、光検出器への入射光を変化させる光学面３ａ
と光検出器１を収納する収納部３ｂから成り立ってい
る。６は光検出器１を保持するケースであり、光検出器
１から出た、その一部が複数の直線または曲線で構成さ
れた屈曲部４ａを持つリード足４にハンダ付けされたプ
リント基板５をケース６の溝部６ａに係合させることに
よって光検出器１を固定する役目と日射センサを車室内
のインパネ７に固定する役目をする。FIG. 1 is a sectional view of a solar radiation sensor of an air conditioner for a vehicle according to an embodiment of the present invention. In FIG. 1, reference numeral 1 denotes a photodetector, which is provided with at least one photodetector 2.
The photodetector 1 detects the amount of solar radiation striking the light detecting element 2 and outputs a signal corresponding to the intensity of the amount of solar radiation. This output signal is sent to the control unit of the air conditioner, and control is performed in consideration of the level of solar radiation. Reference numeral 3 denotes a lens, and the inner surface of the lens changes the transmission and refraction of sunlight, and an optical surface 3a that changes light incident on the photodetector.
And a storage section 3b for storing the photodetector 1. Reference numeral 6 denotes a case for holding the photodetector 1, and a printed circuit board 5 soldered to a lead leg 4 having a bent portion 4a, a part of which is formed of a plurality of straight lines or curves, which is output from the photodetector 1. Are engaged with the groove 6a of the case 6 to fix the photodetector 1 and to fix the solar radiation sensor to the instrument panel 7 in the vehicle compartment.
【００１２】上記のように構成された日射センサについ
てその機能を説明する。図２に示すように、予めハンダ
付けのバラツキの最大時に光検出器１とプリント基板５
の距離Ｌ2がレンズ３の収納部３ｂからケース６の溝部
６ａまでの距離Ｌ1よりも大きくなるように設定してお
き、ケース６の溝部６ａにプリント基板５を係合させて
レンズ３とケース６を合体させたとき、光検出器１から
プリント基板５までの距離Ｌ2がケース６の溝部６ａか
らレンズ３の収納部３ｂまでの距離Ｌ1に等しくなるま
で圧縮して組み付ければ、光検出器１は、レンズ３の収
納部３ｂの深さＬ3で決まる位置に配置される。このと
き、リード足４には複数の直線または曲線で構成した屈
曲部４ａがあるため、光検出器１からプリント基板５ま
での距離Ｌ2をＬ1まで圧縮しても、圧縮代（Ｌ2−Ｌ1）
分はこの屈曲部４ａが吸収してくれるため、リード足４
とプリント基板５のハンダ付け部には、力をかけないで
光検出器１の位置を正確に決めることができ、光検出器
１から所定の電気出力が得られ、空気調和装置の最適な
制御が可能になる。The function of the solar radiation sensor configured as described above will be described. As shown in FIG. 2, the photodetector 1 and the printed circuit board 5 are set in advance when the variation in soldering is maximum.
Distance L 2 is previously set to be larger than the distance L 1 from the storage portion 3b of the lens 3 to the groove 6a of the case 6, the lens 3 in the groove 6a of the case 6 by engaging the printed circuit board 5 when the case 6 was combined, if Kumitsukere by compressing from the photodetector 1 to a distance L 2 to the printed circuit board 5 are equal from the groove 6a of the case 6 at a distance L 1 to the storage portion 3b of the lens 3, photodetector 1 is arranged at a position determined by the depth L 3 of the housing portion 3b of the lens 3. At this time, since the lead foot 4 is bent portion 4a which is composed of a plurality of straight or curved lines, also compresses the distance L 2 from the light detector 1 to the printed board 5 to L 1, compression allowance (L 2 −L 1 )
Since the bent portion 4a absorbs the minute, the lead foot 4
The position of the photodetector 1 can be accurately determined without applying force to the soldering portion of the printed circuit board 5, a predetermined electric output is obtained from the photodetector 1, and the optimal control of the air conditioner is achieved. Becomes possible.
【００１３】また、ハンダ付けのバラツキの最小時に、
光検出器１からプリント基板５までの距離Ｌ2がケース
６の溝部６ａからレンズ３の収納部３ｂまでの距離Ｌ1
に等しくなるように設定しても、リード足４の一部に複
数の直線または曲線で構成した屈曲部４ａを設けておけ
ば、周囲温度の変化によるリード足の伸びによって発生
する応力も、この屈曲部４ａにて吸収可能である。In addition, when the variation in soldering is minimized,
Distance of the distance L 2 from the light detector 1 to the printed board 5 from the groove 6a of the case 6 to the storage portion 3b of the lens 3 L 1
Even if it is set to be equal to, if a bent portion 4a composed of a plurality of straight lines or curves is provided in a part of the lead leg 4, the stress generated by the extension of the lead leg due to the change in the ambient temperature can also reduce the stress. It can be absorbed by the bent portion 4a.
【００１４】光検出器１の初期位置をレンズ３に設けた
光検出器１の収納部３ｂにあたらないように設定（光検
出器１からプリント基板５までの距離Ｌ2のほうが、レ
ンズの収納部３ｂからケースの溝部６ａまでの距離Ｌ1
よりも小さい場合）したもので、周囲温度の変化により
リード足が伸び、光検出器１がレンズの収納部３ｂにあ
たる時にリード足４に発生する応力も、リード足４に複
数の直線または曲線にて構成された屈曲部４ａにて吸収
可能であることは勿論のことである。[0014] towards the distance L 2 set to not hit the initial position of the optical detector 1 in the housing portion 3 b of the photodetector 1 provided on the lens 3 from (the optical detector 1 to the printed board 5 is, in the lens Distance L 1 from storage section 3b to groove 6a of the case
Obtained by small case) than, elongation lead foot by a change in ambient temperature, stress generated on the lead foot 4 when the optical detector 1 strikes the housing portion 3 b of the lenses, a plurality of straight or curved lines on the lead foot 4 It is needless to say that it can be absorbed by the bent portion 4a constituted by.
【００１５】[0015]
【発明の効果】以上のように本発明は、リード足の一部
にスプリングの役目をする屈曲部を設けているため、レ
ンズ側に設けた光検出器の収納部に光検出器をあてて、
レンズと光検出器の相対位置を固定してもハンダ付け部
に無理な力を加えることなく、光検出器を正確な位置に
設定でき、レンズによって透過・屈折させた太陽光を正
確に光検出器にあてることができるため、所定の出力特
性が得られ、快適な自動車用空気調和装置の制御が可能
となる。As described above, according to the present invention, since a bent portion serving as a spring is provided in a part of the lead foot, the photodetector is applied to the storage portion of the photodetector provided on the lens side. ,
Even if the relative position between the lens and the photodetector is fixed, the photodetector can be set to the correct position without applying excessive force to the soldering part, and the sunlight transmitted and refracted by the lens can be accurately detected. As a result, predetermined output characteristics can be obtained, and comfortable control of the automotive air conditioner can be achieved.
【図１】本発明の日射センサの構成を示す断面図FIG. 1 is a sectional view showing a configuration of a solar radiation sensor according to the present invention.
【図２】本発明の日射センサの位置決め方法を示す断面
図FIG. 2 is a sectional view showing a method for positioning a solar radiation sensor according to the present invention.
【図３】（ａ）は従来の日射センサの構成を示す断面図 （ｂ）は同要部断面図 （ｃ）は同要部断面図3A is a cross-sectional view showing a configuration of a conventional solar radiation sensor, FIG. 3B is a cross-sectional view of the main part, and FIG. 3C is a cross-sectional view of the main part.
１ 光検出器 ２ 光検出素子 ３ レンズ ４ａ 屈曲部 ４ リード足 ５ プリント基板 ６ ケース DESCRIPTION OF SYMBOLS 1 Photodetector 2 Photodetector 3 Lens 4a Bending part 4 Lead leg 5 Printed circuit board 6 Case
───────────────────────────────────────────────────── フロントページの続き (72)発明者 鹿籠六 信夫 大阪府門真市大字門真1006番地 松下電 器産業株式会社内 (56)参考文献 特開 平４−95728（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) G01J 1/02 B60H 1/00 101────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Nobuo Kagoro 1006 Kazuma Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (56) References JP 4-95728 (JP, A) (58) Survey Field (Int.Cl. 6 , DB name) G01J 1/02 B60H 1/00 101
Claims (1)
れたレンズと、前記光検出器への入射光によって生じる
電気出力信号を導くリ−ド足と前記光検出器を収納する
ケ−スを有し、前記リ−ド足の一部に前記光検出器を前
記レンズ側へ付勢する屈曲部を有したことを特徴とする
自動車用空気調和装置の日射センサ。A photodetector, a lens provided on a light source side of the photodetector, a lead leg for guiding an electric output signal generated by light incident on the photodetector, and the photodetector are housed. A case, and the photodetector is provided in front of a part of the lead foot.
An insolation sensor for an air conditioner for an automobile, comprising a bent portion biasing toward the lens .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30430992A JP2827762B2 (en) | 1992-11-16 | 1992-11-16 | Solar radiation sensor for automotive air conditioners |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30430992A JP2827762B2 (en) | 1992-11-16 | 1992-11-16 | Solar radiation sensor for automotive air conditioners |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06160181A JPH06160181A (en) | 1994-06-07 |
| JP2827762B2 true JP2827762B2 (en) | 1998-11-25 |
Family
ID=17931481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30430992A Expired - Fee Related JP2827762B2 (en) | 1992-11-16 | 1992-11-16 | Solar radiation sensor for automotive air conditioners |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2827762B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759822A (en) * | 2014-01-29 | 2014-04-30 | 江苏日盈电子股份有限公司 | Light sensor, vehicle-mounted sunshine sensor provided with light sensor and automobile |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LT4916B (en) | 2000-06-21 | 2002-05-27 | Uždaroji Akcinė Bendrovė "Accel Elektronika" | A sensor of intensity and a direction of a light source |
| LT4963B (en) | 2000-12-22 | 2002-10-25 | Uždaroji Akcinė Bendrovė "Accel Elektronika" | A luminous intensity transducer |
| LT5030B (en) | 2001-02-09 | 2003-06-25 | Uždaroji Akcinė Bendrovė "Accel Elektronika" | An intensity transmitter of a light flux |
| US7071407B2 (en) | 2002-10-31 | 2006-07-04 | Emcore Corporation | Method and apparatus of multiplejunction solar cell structure with high band gap heterojunction middle cell |
| CN109374127A (en) * | 2018-11-30 | 2019-02-22 | 凯斯库汽车部件（苏州）有限公司 | Vehicle-mounted sunlight sensor |
-
1992
- 1992-11-16 JP JP30430992A patent/JP2827762B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759822A (en) * | 2014-01-29 | 2014-04-30 | 江苏日盈电子股份有限公司 | Light sensor, vehicle-mounted sunshine sensor provided with light sensor and automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06160181A (en) | 1994-06-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |