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    Reprehenderit qui in ea

    HC-SR501模塊 人體紅外感應模塊 熱釋電 紅外傳感器 綠板 加特微

    Regular price Sale price $1.60
    SKU: AL-8NM8-7wgi4tc6[4]
    sales volume: 5
    classification: Family life , switch , Induction switch
    HC-SR501
    均碼
    Buy now
    • Product description
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    • SPU: AL-8NM8-7wgi4tc6[4]
    • 系列:傳感器
    • 感應原理:光感&人體紅外白天不亮
    • 延時關閉時間:離開感應區15秒
    • 適用範圍:室內裝修
    • 3C證書編號:-
    • 3C額定電壓範圍:440V及以下
    • 型號:HC-SR501

      HC-SR501模塊 人體紅外感應模塊紅外傳感器 

    微信圖片_20200520224138

     

    中文描述:

     

     

    HC-SR501是基於紅外線技術的自動控制模塊,採用LHI778探頭設計,靈敏度高,可靠性強,超低電壓工作模式,廣泛應用於各類自動感應電器設備,尤其是乾電池供電的自動控制產品。 

    • 電氣參數

    產品型號

    人體感應模塊

    工作電壓範圍

    直流電壓4.5-20V

    靜態電流

    電平輸出

    高3.3 V /低0V

    觸發方式

    L不可重複觸發/H重複觸發(默認重複觸發)

    延時時間

    0.5-200S(可調)可製作範圍零點幾秒-幾十分鐘

    封鎖時間

    2.5S(默認)可製作範圍零點幾秒-幾十秒

    電路板外形尺寸

    感應角度

    <100度錐角

    工作溫度

    -15-+70度

    感應透鏡尺寸

    直徑:23mm(默認)

     

     

     

    功能特點:

    1.全自動感應:當有人進入其感應範圍則輸入高電平,人離開感應範圍則自動延時關閉高電平。輸出低電平。
    2.光敏控制(可選):模塊預留有位置,可設置光敏控制,白天或光線強時不感應。光敏控制為可選功能,出廠時未安裝光敏電阻。如果需要,請另行購買光敏電阻自己安裝。

    3.兩種觸發方式:L不可重複,H可重複。可跳線選擇,默認為H。
        A.:即感應輸出高電平後,延時時間一結束,輸出將自動從高電平變為低電平。
        B.: 即感應輸出高電平後,在延時時間段內,如果有人體在其感應範圍內活動,其輸出將一直保持高電平,直到人離開後才延時將高電平變為低電平(感應模塊檢測到人 體的每一次活動後會自動順延一個延時時間段,並且以最後一次活動的時間為延時時間的起始點)。
    4.具有感應封鎖時間(默認設置:):感應 模塊在每一次感應輸出後(高電平變為低電平),可以緊跟着設置一個封鎖時間,在此時間段內感應器不接收任何感應信號。此功能可以實現(感應輸出時間和封鎖 時間)兩者的間隔工作,可應用於間隔探測產品;同時此功能可有效抑制負載切換過程中產生的各種干擾。
    5.工作電壓範圍寬:默認工作電壓DC5V至20V
    6.微功耗:靜態電流65微安,特別適合乾電池供電的電器產品。
    7.輸出高電平信號:可方便與各類電路實現對接。

    使用說明:

    1感應模塊通電後有一分鐘左右的初始化時間,在此時間模塊會間隔地輸出0-3次,一分鐘後進入待機狀態。

    2. 應儘量避免燈光等干擾源近距離直射模塊表面的透鏡,以免引進干擾信號產生誤動作;使用環境儘量避
    免流動的風,風也會對感應器造成干擾。

    3. 感應模塊採用雙元探頭,探頭的窗口為長方形,雙元(A元B元)位於較長方向的兩端,當人體從左到右
    或從右到左走過時,紅外光譜到達雙元的時間、距離有差值,差值越大,感應越靈敏,當人體從正面走向探
    頭或從上到下或從下到上方向走過時,雙元檢測不到紅外光譜距離的變化,無差值,因此感應不靈敏或不工作;所以安裝感應器時應使探頭雙元的方向與人體活動最多的方向儘量相平行,保證人體經過時先後被
    探頭雙元所感應。為了增加感應角度範圍,本模塊採用圓形透鏡,也使得探頭四面都感應,但左右兩側仍
    然比上下兩個方向感應範圍大、靈敏度強,安裝時仍須儘量按以上要求。

    熱釋電傳感器基本知識和使用中的常見問題

        熱釋電紅外傳感器是一種能檢測人或動物發射的紅外線而輸出電信號的傳感器。早在1938年,有人提出過利用熱釋電效應探測紅外輻射,但並未受到重視,直到 六十年代,隨着激光、紅外技術的迅速發展,才又推動了對熱釋電效應的研究和對熱釋電晶體的應用。熱釋電晶體已廣泛用於紅外光譜儀、紅外遙感以及熱輻射探測 器,它可以作為紅外激光的一種較理想的探測器。它目標正在被廣泛的應用到各種自動化控制裝置中。除了在我們熟知的樓道自動開關、防盜報警上得到應用外,在 更多的領域應用前景看好。比如:在房間無人時會自動停機的空調機、飲水機。電視機能判斷無人觀看或觀眾已經睡覺後自動關機的機構。開啟監視器或自動門鈴上 的應用。結合攝影機或數碼照相機自動記錄動物或人的活動等等……。您可以根據自己的奇思妙想,結合其它電路開發出更加優秀的新產品。或自動化控制裝置。

    熱釋電傳感器基本知識

        熱釋電效應同壓電效應類似,是指由於溫度的變化而引起晶體表面荷電的現象。熱釋電傳感器是對溫度敏感的傳感器。它由陶瓷氧化物或壓電晶體元件組成,在元件 兩個表面做成電極,在傳感器監測範圍內溫度有ΔT的變化時,熱釋電效應會在兩個電極上會產生電荷ΔQ,即在兩電極之間產生一微弱的電壓ΔV。由於它的輸出 阻抗極高,在傳感器中有一個場效應管進行阻抗變換。熱釋電效應所產生的電荷ΔQ會被空氣中的離子所結合而消失,即當環境溫度穩定不變時,ΔT=0,則傳感 器無輸出。當人體進入檢測區,因人體溫度與環境溫度有差別,產生ΔT,則有ΔT輸出;若人體進入檢測區後不動,則溫度沒有變化,傳感器也沒有輸出了。所以 這種傳感器檢測人體或者動物的活動傳感。 由實驗證明,傳感器不加光學透鏡(也稱菲涅爾透鏡),其檢測距離小於2m,而加上光學透鏡後,其檢測距離可大於7m。

    使用中應注意以下幾點:

        一、直流工作電壓必須符合我們要求的數值,過高和過低都會影響模塊性能,而且要求電源必須經過良好的穩壓濾波,例如電腦USB電源、手機充電器電源、比較 舊的9V的層疊電池都無法滿足模塊工作要求,建議客戶用變壓器的電源並經過三端穩壓芯片穩壓後再通過220UF和0.1UF的電容濾波後供電。

         二、調試時人體儘量遠離感應區域,有時雖然人體不在模塊的正前方,但是人體離模塊太近時模塊也能感應到造成一直有輸出,還有調試時人體不要觸摸電路部分也 會影響模塊工作,比較科學的辦法是將輸出端接一個LED或者是萬用表,把模塊用報紙蓋住,人離開這個房間,等2分鐘後看看模塊是否還是一直有輸出?

         三、模塊不接負載時能正常工作,接上負載後工作紊亂,一種原因是因為電源容量很小負載比較耗電,負載工作時引起的電壓波動導致模塊誤動作,另一種原因是負 載得電工作時會產生干擾,例如繼電器或者電磁鐵等感性負載會產生反向電動勢,315M發射板工作時會有電磁輻射等都會影響模塊。解決辦法如下:A、電源部 分加電感濾波。B、採用負載和模塊使用不同的電壓的方法,例如:負載使用24V工作電壓,模塊使用12V工作電壓,其間用三端穩壓器隔離。C: 使用更大容量的電源。

         四、人體感應模塊只能工作在室內並且工作環境應該避免陽光、強烈燈光直接照射,如果工作環境有強大的射頻干擾,可以採用屏蔽措施。若遇有強烈氣流干擾,關閉門窗或阻止對流。感應區儘量避免正對着發熱電器和物體以及容易被風吹動的雜物和衣物。

         五、人體感應模塊建議安裝在密封的盒裡,否則可能一直會有輸出信號。

         六、如果要求人體感應模塊的探測角度小於90度時,可以用不透明膠紙遮擋鏡片或裁剪縮小鏡片來實現。

        七、人體感應模塊採用雙元探頭,人體的手腳和頭部運動方向與感應靈敏度有着密切的聯繫,而且紅外模塊的特性決定了無法精確控制感應距離。

         八、模塊中的探頭(PIR)可以裝焊在電路板的另一面。也可將探頭用雙芯屏蔽線延長,長度應在以內為好






     

    熱釋電傳感器基本知識和使用中的常見問題

         熱釋電紅外傳感器是一種能檢測人或動物發射的紅外線而輸出電信號的傳感器。早在1938年,有人提出過利用熱釋電效應探測紅外輻射,但並未受到重視,直到六十年代,隨着激光、紅外技術的迅速發展,才又推動了對熱釋電效應的研究和對熱釋電晶體的應用。熱釋電晶體已廣泛用於紅外光譜儀、紅外遙感以及熱輻射探測器,它可以作為紅外激光的一種較理想的探測器。它目標正在被廣泛的應用到各種自動化控制裝置中。除了在我們熟知的樓道自動開關、防盜報警上得到應用外,在更多的領域應用前景看好。比如:在房間無人時會自動停機的空調機、飲水機。電視機能判斷無人觀看或觀眾已經睡覺後自動關機的機構。開啟監視器或自動門鈴上的應用。結合攝影機或數碼照相機自動記錄動物或人的活動等等……。您可以根據自己的奇思妙想,結合其它電路開發出更加優秀的新產品。或自動化控制裝置。

    熱釋電傳感器基本知識

        熱釋電效應同壓電效應類似,是指由於溫度的變化而引起晶體表面荷電的現象。熱釋電傳感器是對溫度敏感的傳感器。它由陶瓷氧化物或壓電晶體元件組成,在元件兩個表面做成電極,在傳感器監測範圍內溫度有ΔT的變化時,熱釋電效應會在兩個電極上會產生電荷ΔQ,即在兩電極之間產生一微弱的電壓ΔV。由於它的輸出阻抗極高,在傳感器中有一個場效應管進行阻抗變換。熱釋電效應所產生的電荷ΔQ會被空氣中的離子所結合而消失,即當環境溫度穩定不變時,ΔT=0,則傳感器無輸出。當人體進入檢測區,因人體溫度與環境溫度有差別,產生ΔT,則有ΔT輸出;若人體進入檢測區後不動,則溫度沒有變化,傳感器也沒有輸出了。所以這種傳感器檢測人體或者動物的活動傳感。 由實驗證明,傳感器不加光學透鏡(也稱菲涅爾透鏡),其檢測距離小於2m,而加上光學透鏡後,其檢測距離可大於7m。

     

     

    英文描述:

     

     

    Features:

     

     

     

    1. Automatic induction: When someone enters its induction range, enter the high level, people leave the sensor range is automatically delayed off high. Output low.

     

    2. photosensitive control (optional): the module reserved for location, can be set to photosensitive control, strong light during the day or not induction. Photosensitive control is optional, the factory did not install photosensitive resistor. If necessary, please buy a separate photosensitive resistor to install.

     

     

     

    3. Two trigger modes: L is not repeatable, H is repeatable. Can be jumper selected, the default is H.

     

        A. non-repeatable trigger mode: the induction output high, the delay time is over, the output will automatically change from high to low.

     

        B. Repeated trigger mode: that is, after sensing the output high, in the delay time period, if the human body in its sensing range of activities, its output will remain high until the delay after the person will leave the high The level changes to low level (the sensing module automatically delays a delay time after every activity of the human body, and takes the time of the last activity as the starting point of the delay time).

     

    4. Induction blocking time (default setting: 3-4 seconds): After each sensing output (high level goes low), the sensing module can be followed by a blocking time, during which it is sensed The device does not receive any sense signals. This function can be used to achieve the interval between the sensing output time and the blocking time. It can be applied to the interval detection products. At the same time, this function can effectively suppress all kinds of interference in the process of load switching.

     

    5. Wide operating voltage range: the default operating voltage DC5V to 20V

     

    6. Micro-power: Quiescent current 65 microamps, especially for dry battery-powered electrical products.

     

    7. Output high-level signal: can be easily with various types of circuits to achieve docking.

     

     

     

     

     

     

     

    Instructions for use:

     

     

     

    1 induction module power about one minute after the initialization time, at this time the module will output 0-3 times a minute, a minute into the standby state.

     

     

     

    2. Light and other interference should be avoided Directly close the surface of the lens module, so as not to introduce interference with the signal to produce malfunction; use of the environment as far as possible to avoid

     

    Free flow of wind, the wind will cause interference to the sensor.

     

     

     

    3. Sensor module with dual element probe, the probe window is rectangular, dual element (A yuan B yuan) in the longer direction at both ends, when the body from left to right

     

    Or from right to left through the infrared spectrum to reach the dual time, distance difference, the greater the difference, the more sensitive induction, when the body from the front to the probe

     

    Head or from top to bottom or from bottom to top direction, the dual element can not detect infrared spectral distance changes, no difference, so the sensor insensitive or does not work; so the sensor should be installed so that the direction of the probe dual And the direction of human activity as much as possible parallel to ensure that the body has been through

     

    Probe dual element induction. In order to increase the sensing angle range, this module uses a circular lens, also makes the probe four sides are sensitive, but the left and right sides are still

     

    However, compared with the upper and lower direction of the two induction range, sensitivity, installation must still try to according to the above requirements.
     

     

    Use should pay attention to the following points:

     

     

     

      1.the DC voltage must meet our requirements, too high and too low will affect the performance of the module, but also requires the power supply must be a good regulator filter, such as computer USB power, mobile phone charger power supply, the old 9V stacked battery Are unable to meet the module work requirements, it is recommended that customers use the power transformer and the regulator through the three-terminal voltage regulator and then through the 220UF and 0.1UF capacitor filter power supply.

     

     

     

        2. Although the human body is not in front of the module, but the human body from the module is too close to the module can also be caused by the sensor output, as well as debugging the human body do not touch the circuit part will also affect the module work , A more scientific approach is to output a LED or a multimeter, the module covered with a newspaper, people leave the room, so 2 minutes to see whether the module has been or have output?

     

     

     

        3.the module does not take the load to work properly, connected to the load after the work of chaos, one reason is because the power capacity is very small load power consumption, load caused by voltage fluctuations caused by the module malfunction, the other reason is the load The power will have interference in the work, such as relays or electromagnets and other inductive load will produce a reverse electromotive force, 315M emission plate will have electromagnetic radiation and other work will affect the module. The solution is as follows: A, the power part of the inductor filter. B, using the load and the module using different voltage methods, such as: load using 24V operating voltage, the module uses 12V operating voltage, during which the use of three-terminal regulator isolation. C: Use a larger capacity power supply.

     

     

     

        4. the human body sensor module can only work indoors and the work environment should avoid the sun, a strong direct light exposure, if the work environment has a strong RF interference, you can use shielding measures. In case of strong air interference, close the doors and windows or prevent convection. The induction area to avoid facing the heating appliances and objects as well as easy to wind debris and clothing.

     

     

     

         5. the human body sensor module is recommended to install in a sealed box, otherwise there may have been the output signal.

     

     

     

         6.if the body sensor module detection angle is less than 90 degrees, you can use opaque adhesive tape to cut off the lens or cut lens to achieve.

     

     

     

         7.the human body sensor module with dual element probe, the body's hands and feet and head movement direction and the sensitivity of the sensor is closely linked, and the infrared module determines the characteristics of the sensor can not accurately control the distance.

     

     微信圖片_20200520224143

    微信圖片_20200520224145

    微信圖片_20200520224140

    微信圖片_20200520224213

     

       8. the module of the probe (PIR) can be mounted on the other side of the circuit board. The probe can also be extended with a two-core shielded cable, the length should be less than 20 cm as well.

     

     

     

    Warranty Information

    The goods can be returned to the customer without reason within 15 days from the date of receipt.The return and exchange of goods shall be approved by the merchant in the store.

    Procurement and delivery

    Delivery time: the goods in stock will be delivered within 1-3 working days after you place an order and pay, and you will receive our notice after delivery.

    payment

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