201041304 六、發明說明： 【發明所屬之技術領域】 ’特別是關於焦電型 本案是關於一種焦電型紅外線偵測器 紅外線偵測器的控制電路。 、°° 【先前技術】 有鑑於目前環保意識抬頭，對於講求 求亦曰益強烈。目前市面上最常見的燈 =置普遍適用於居家、辦公室、公用場所等，而隹 ^貞測4身是絲_人體紅外線，進而觸發燈^或保安系 -般來說，焦電型紅外線摘測器所架設的位 处或^無市_應處，而偵測器所使用的電 处田: 偵測器本身的耗電性便相對重要。焦電红冰、:/ 匕 1C所需的平均耗電量—般為=控制 平均每顆耗電量為u/h來計算，在平ϋ 的 〇 的平均耗《，職可騎財帶錢 另一方面’焦電型紅外線偵測 多重偵測功能(諸如··亮度偵測或二行 相當多。因此’其在IC設計與數，得 對的也將提高電路的設計面積。 、亦酼之提向，相 方塊Ξ第如為;j紅，偵測器的電路 積體電路(IC)1〇、光敏(CDSW貞測電路^j广要是由控制 乃貝列窀路1卜低電壓偵測電路12 201041304 以及蜂鳴器13所構成。焦電型紅外線偵測器1是利用CDS偵 電路11對環境進行偵測，以判別周圍現在是白天或是晚上; 當偵測到現在是白天時，控制IC10會自動關閉焦電型紅外線’ ，測器1内的數位電路架構以求省電，但其中的類比放大器與 ®型比較器(未顯示)並不會被關閉。這是因為若是焦電型紅外 線偵測器在保持類比放大器與窗型比較器於開啟的狀態下，若 偵測到現在是晚上時才可立即反應出信號是否正確或有效。相 反地，若是將類比放大器與窗型比較器關閉，則隹電型 偵測器便需要較長時財能將類比放大財新起動孤、外線 另 Ο 〇 哭卢田认ί面，由第一圖還可看出，習用的焦電型紅外線偵測 偵測的低電壓偵測電路12中，大都採用電阻分 二產」:二對電池電力Vee進行檢測；然而，電阻阻抗大時雖201041304 VI. Description of the invention: [Technical field to which the invention pertains] ‘Especially regarding the pyroelectric type This case relates to a control circuit for a pyroelectric type infrared detector infrared detector. , ° ° [Previous technology] In view of the current awareness of environmental protection, it is also very beneficial for the demand. At present, the most common lights on the market = universally applicable to homes, offices, public places, etc., and 隹^贞4 is silk _ human infrared, and then trigger lights ^ or security system - in general, pyroelectric infrared pick The location where the detector is installed or the location where there is no market, and the electrical field used by the detector: The power consumption of the detector itself is relatively important. The average power consumption required for the coke red ice, :/ 匕1C is generally = the average power consumption per unit is calculated as u/h, and the average consumption in the flat 《 , On the other hand, 'focus type infrared detection multi-detection function (such as · · brightness detection or two lines quite a lot. Therefore, its design and number in the IC, the right will also improve the design area of the circuit. The direction is as follows: j red, the circuit of the detector integrated circuit (IC) 1 〇, photosensitive (CDSW 电路 电路 ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ The measuring circuit 12 201041304 and the buzzer 13 are configured. The pyroelectric type infrared detecting device 1 uses the CDS detecting circuit 11 to detect the environment to determine whether the surroundings are day or night; when it is detected that it is daytime The control IC10 will automatically turn off the pyroelectric infrared ', the digital circuit structure in the detector 1 to save power, but the analog amplifier and the type comparator (not shown) will not be turned off. This is because of the focus The electric infrared detector keeps the analog amplifier and the window comparator open, It is detected that it is now in the evening to immediately reflect whether the signal is correct or valid. Conversely, if the analog amplifier and the window comparator are turned off, the battery type detector will take a long time to increase the analogy. The new start is isolated, the outside line is another Ο 〇 卢 Lu Tian ί 面 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , : Two pairs of battery power Vee are detected; however, when the resistance is large,
信餘衫辭擾，導致低賴細電路U 【發明内容】 因此，有必要構思一種焦電型紅外線彳貞 命 使用控制1C的三隻接腳即可完成CDS侧、& :則3 鳴器呼叫等功能(傳統作法如g η二f L偵測及蜂 腳），並且希望能耗費比傳統作法更少的gw需要四隻接 根據上述構想，本案—方面蔣山^ 器，受控於-電池電力，包型紅外線傾測 有至少一類比放大器，該控制積體 端及-第三端;一光敏(CD_測電路：二-第二 及-個電阻彼此串聯所構成，該光敏 路二光敏電阻 偵測該焦電型紅外線偵測器所處的-端，用以 壓偵測電路’㈣、：個树此串聯==電壓= 201041304 電路的一端受控於兮 路與該控制積體電^互相於該光敏谓測電 力是否過低；及—蜂鳴一、p知’用以偵測該電池電 =壓節點而電連接於該控:積路中的—宰 積體電路的該第三端；其中上點二電連接於該控制 型紅外線偵測器所處二測電路_到該焦電 類比放大器以節省該電池U白々制積體電路闕閉該 ❹ 電型紅外線偵測器所處的環。是=貞T軸觸 啟该類比放大器，而當該 寸°亥控制積體電路開 低時’該控制積體電路開啟該i鳴：電池電力過 器的控制方法e，該焦出^種，電型紅外線_ 路及一一光 如下.备該光敏偵測電路伯 d工制方法包括步驟 的環境是白天時，節賓該焦型=巧夕|；線伽|J器所處 士電力；當該低電塵偵測電路偵測$該電、、也=雙控於該電池的 *亥焦電型紅外線伯測器的用者、、力過低時，通知 偵測或當該低電壓備測電路吏進行，貞二1光敏谓測電路進行 ^騎行紅外線_。本案得藉i二3型紅外線 件更深入之了解·· 幻囫式及碎細說明，俾 【實施方式】 請參閱第二圖，直為^ 較佳實施例的電路方’塊圖。& ^“、、電型紅外線偵測器一 2是受控於-電池電力Vcc，隹型紅外線伽器 積體電路_ 一^_ == 2主要是由 (LVD)細電路22及一蜂鳴器^所、沒路21、一低電壓 5 201041304 控制積體電路(IC)20的内邱且古五， 示），控制積體電路2〇具有—第至少一類比放大器(未圖 〜山矛一端、一第二端T2刀一笙 二知T3。以下分別敘述三個端點的連接方法弟^及弟 光敏(CDS)須測電路21是由5小加The letter of the shirt is confusing, resulting in a low-lying circuit U. [Inventive content] Therefore, it is necessary to conceive a kind of pyro-type infrared life command to use the three pins of the control 1C to complete the CDS side, & Calling and other functions (traditional methods such as g η 2 f L detection and bee foot), and hope that the energy cost is less than the traditional practice gw needs four connections according to the above concept, the case - aspect Jiang Shan ^ device, controlled by - The battery power, the package type infrared tilting test has at least one analog amplifier, the control integrated body end and the - third end; a photosensitive (CD_ measuring circuit: two-second and one resistance are connected in series with each other, the photosensitive road two The photoresistor detects the end of the pyroelectric type infrared detector to detect the circuit '(4),: a tree, the series == voltage = 201041304, one end of the circuit is controlled by the circuit and the control integrated body Whether the electric power is too low relative to the light-sensing power; and - buzzing one, p-known 'to detect the battery electric=pressure node and electrically connected to the control: the accumulation circuit - the slaughter circuit The third end; wherein the upper point 2 is electrically connected to the second type of the control type infrared detector _To the pyroelectric analog amplifier to save the battery U 々 々 阙 阙 阙 阙 阙 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 When the integrated circuit is turned low, the control integrated circuit turns on the i: the battery power control method e, the focus, the electric infrared ray and the light are as follows. The d-work method includes the environment in which the step is during the daytime, the focal point of the coke type = Qiao Xi |; the line gamma | J is the taxi power; when the low dust detection circuit detects the electric, and also = dual control In the battery of the *Hybrid type infrared detector, when the force is too low, the notification is detected or when the low voltage preparation circuit is performed, the 光敏2 1 photosensitive pre-measure circuit performs the riding infrared _. I have to learn more about i-type 3 infrared parts. · illusion and detailed description, 俾 [Embodiment] Please refer to the second figure, which is the circuit diagram of the preferred embodiment. & ^ ",, electric infrared detector 1 is controlled by - battery power Vcc, 隹 type infrared gamma integrated body _一^_ == 2 is mainly caused by (LVD) fine circuit 22 and a buzzer ^, no road 21, a low voltage 5 201041304 control integrated circuit (IC) 20 of the inner Qiu and ancient five, shown) The control integrated circuit 2〇 has at least one analog amplifier (not shown to the end of the mountain, the second end of the T2, and the second end of the T3. The following describes the connection method of the three end points respectively; CDS) circuit to be tested 21 is made up of 5 small plus
Vcc ’另-端電連接於控制積體電路^又一^於^池p 偵測焦電型紅外關測器2所處的環境是否f白天。用以 低電严至少二個電阻彼此串聯所構成， Ο Ο $電塵_電路22的—端受控於電池電力I = 端，用以侧池f力vfe^t 2G綱連接的那一Vcc ’ is electrically connected to the control integrated circuit. The other is to detect whether the environment in which the pyroelectric infrared detector 2 is located is f during the day. The low-voltage and at least two resistors are connected in series with each other, and the end of the electric dust_circuit 22 is controlled by the battery power I = end, and the side of the side pool f force vfe^t 2G is connected.
點而經由光敏細_2】中的一串聯分屢節 =ΐ=積體電路20的該第二端⑽㈣，C 控制積體電路職第三蝴點而電連接於該 焦電型紅外線_器2的作動為 測到焦電型紅外線侧器2所仏 f、j電路21偵 路2。_類比放大器以節電 則到該焦電型紅外線伽4器所處的環境不^^ ί該類比放大器。而當該低電壓偵測電路 用L ’電故低時’該控制積體電路開啟該蜂鳴器以通知使 配合==電連接於發光二極體㈣，以 電壓上是在控制IC中僅利用三端接腳便可進行低 二e占在該一端的偵測上採用分時偵測；亦即，第一端丁2的 叫貞測及第三端T3的-_是與第 201041304 (PIR)偵測採取分時判斷。也就是說Pointing through a series of photosensitive thinnings _2], the second end (10) (four) of the integrated circuit 20, C controls the third circuit point of the integrated circuit and is electrically connected to the pyroelectric infrared ray device The operation of 2 is to detect the pyroelectric type infrared side device 2, and the circuit 21 of the circuit 21 is detected. _ analog amplifier to save power to the environment where the pyroelectric infrared gamma device is not ^^ ί analog amplifier. When the low voltage detecting circuit uses L 'electrical low, the control integrated circuit turns on the buzzer to notify that the matching == is electrically connected to the light emitting diode (4), so that the voltage is only in the control IC. Using the three-terminal pin, the low-level e can be detected by using the time-sharing detection on the one end; that is, the first end D is called the second measurement and the third end T3 is -_ is with the 201041304 ( PIR) detection takes time-sharing judgments. That is
偵測及第三端Τ3的LVD偵測時，則停止CDS 測；而當進行第一端T1的PIR镇測 2 CDS偵測及第三端T3的LVD偵測。』丁止弟一鳊T2的 因此’不但可大幅降低耗電並兼顧 ^ =妹環境變化下依然兼顧省電與效絲外 更在-固定時_進行低電壓細’使得耗 卜^ Ο Ο c響DS與LVD電阻電路，因此可以確實反映出 請參閱第三圖’其為應用於本案之焦電型 的-種實施例的電路方塊圖。在第三圖中、、制^ 更包含了-紅外線侧電路4()，用以偵測使^ 0 控制IC30主要是利用三端接腳3卜％及％來進 CDS镇測、低電壓偵測及蜂鳴器呼叫等功能。 §控制IC30進行CDS侧及低電壓備測時，合— 1 4的電位拉低，使得低電壓偵測端LVD/BUZ與cLs伽 广CDS/BUZB測得目前分壓電阻後的電愿準位：詳二 39 為 時控制請會關閉類比放大器38盥 電屋貞測器擁有更低的耗電；另一方面，若低 ίί f的電位低於設定準位VH，則焦電型紅 上，偵勒將會測知低電壓’此時控制Ic會透過蜂鳴 盗以利用蜂鳴器(未圖示)來告知使用者該換電池。° 中，到的分時偵測機制，在第三圖的控制1⑽ Tvnf用開關S!〜S4來達成第二端# CDS伯測及第三端的 欲進偵測電路40之間的分時偵測。詳言之，當 第一^ 31的CDS偵測及第三端32的LVD偵測時，開 201041304 關S3與S4會被切換成使得 開，而能约停止第與比較益35、36之間斷 測電路40的HR偵^時欲進行紅外_ 端31盘比較哭與糾會被切換成使得第二 二能且第三端％與比較器％之間斷 測。 第—知丁2的CDS細及第三端丁3的LVD偵 線偵測器之 f閱第’’其為本#所提出之焦電型紅外 Ο j線j貞稱’主要分驻敏(⑽)偵測與低 -種 電屋(LVD)偵測 天時在敏ίΓΒΓ當光敏躺電路偵測到所處環境是白 路偵測ί所處“=低步!放大器;相反地，當光敏偵測電 斤處衣丨兄不疋白天時，控制IC隨即開啟低頻放大器。 桿準日Hr在進行低電壓細時，當偵測到電池電力低於 二極體，_蜂麵或發光 〇 需要’本發·!月主要*出一種焦電型紅外線偵測器’只 及蜂鳴哭=的二隻接腳即可完成CDS偵測、低電壓偵測 ’’’ °°呼叫等功能，能耗費比傳統作法更少的電力。 不脫ί以=:==思而為諸般修飾’然皆 201041304 【圖式簡單說明】 ★圓種白用焦電型紅外線備測器的電路方塊圖。 例的塊ί案所提出之域型紅外線侧[較佳實施 -種實施Ξ的之焦電型紅外線侦測器之控制1c的 -較佳實i例的出之焦電型紅外線偵測器之控制方法 Ο 【主要元件符號說明】When detecting and detecting LVD of the third end Τ3, the CDS measurement is stopped; and when the first end T1 is subjected to PIR detection 2 CDS detection and the third end T3 LVD detection is performed. 』Ding Zhidi’s glimpse of T2’s can not only greatly reduce power consumption but also take care of it. ^=The environment change is still taking into account the power saving and the effect of the wire. In addition, when it is fixed, the low voltage is made to make it ^ Ο Ο c The DS and LVD resistor circuits are audible, so it can be clearly reflected in the circuit diagram of the third embodiment, which is the pyroelectric type used in this case. In the third figure, the system further includes an infrared side circuit 4 () for detecting that the control IC 30 mainly uses the three-terminal pin 3% and % to enter the CDS town measurement, low voltage detection. Test and buzzer calls and other functions. § Control IC30 for CDS side and low voltage preparation, the potential of -14 is pulled low, so that the low voltage detection terminal LVD/BUZ and cLs gamma CDS/BUZB measured the current voltage level after the voltage divider resistance :Detail 2:39 For the time control, please turn off the analog amplifier 38盥The electric house detector has lower power consumption; on the other hand, if the low ίί potential is lower than the set level VH, the focus type is red, The detective will detect the low voltage. At this time, the control Ic will use the buzzer (not shown) to inform the user to change the battery. °, to the time-sharing detection mechanism, in the third figure of the control 1 (10) Tvnf with the switch S! ~ S4 to achieve the second end # CDS Bo test and the third end of the detection of the circuit 40 between the time detection Measurement. In detail, when the CDS detection of the first ^ 31 and the LVD detection of the third end 32, the opening 201041304 switches S3 and S4 will be switched to enable, and the interval between the first and the third is reduced. The HR detection time of the measuring circuit 40 is to be performed in the infrared _ end 31 disk comparison crying and rectification is switched such that the second two energy and the third terminal % and the comparator % are disconnected. The first - the DDS 2 CDS fine and the third end Ding 3 LVD Detecting Line Detector f read the ''the basics of the proposed focus type infrared Ο j line j nickname 'mainly stationed sensitive ( (10)) Detection and low-type electric house (LVD) detection time in the sensitive light when the light-receiving circuit detects that the environment is white path detection ί "= low step! amplifier; conversely, when photosensitive The control IC immediately turns on the low-frequency amplifier when the 处 处 处 疋 疋 疋 疋 。 。 。 。 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制'This hair ·! Month mainly * a kind of pyro-type infrared detector' only with the two pins of the buzzing cry = CDS detection, low voltage detection '' ° ° call and other functions, can It costs less power than the traditional method. It doesn't take off ==== thinks and modifies it all. 'All are 201041304 【Simplified illustration】 ★Circular block diagram of the focal type infrared detector. The domain type infrared side proposed by the block ί [preferred implementation - the implementation of the control of the pyroelectric type infrared detector of the type 1c - preferably the focus of the example Control method of electric infrared detector Ο [Main component symbol description]
1焦電型紅外線偵測器 控制1C 11 CDS偵測電路 12低電壓偵測電路 13蜂鳴器1 pyroelectric infrared detector Control 1C 11 CDS detection circuit 12 Low voltage detection circuit 13 Buzzer
2焦電型紅外線偵測器 20控制ic 21 CDS彳貞測電路 22低電壓偵測電路 23蜂鳴器 30控制1C 31第二端 32第三端 9 201041304 33蜂鳴器驅動器 34第一端 35比較器 36比較器 37信號處理器 38類比放大器 39類比放大器 40紅外線偵測電路 T1第一端 T2第二端 T3第三端 S1〜S4開關2 pyroelectric type infrared detector 20 control ic 21 CDS detection circuit 22 low voltage detection circuit 23 buzzer 30 control 1C 31 second end 32 third end 9 201041304 33 buzzer driver 34 first end 35 Comparator 36 Comparator 37 Signal Processor 38 Analog Ratio Analog Analog Amplifier 40 Infrared Detection Circuit T1 First End T2 Second End T3 Third End S1~S4 Switch