在濟(jì)南的大街小巷，伸縮棚作為遮風(fēng)擋雨的實(shí)用設(shè)施隨處可見，但你是否知道，如今的伸縮棚早已暗藏 "黑科技"？尤其是自動(dòng)防夾功能，就像一位隱形的衛(wèi)士，在伸縮棚運(yùn)行時(shí)默默守護(hù)著人們的。這種看似簡(jiǎn)單的功能，背后卻蘊(yùn)含著精巧的設(shè)計(jì)與技術(shù)，讓我們一起揭開它的神秘面紗。

　　In the streets and alleys of Jinan, retractable sheds can be seen everywhere as practical facilities for shelter from wind and rain, but did you know that today's retractable sheds have already hidden "black technology"? Especially the automatic anti pinch function, like an invisible security guard, silently guarding people's safety during the operation of the retractable shed. This seemingly simple function, behind it lies exquisite design and technology, let's uncover its mysterious veil together.

　　敏銳的 "觸覺神經(jīng)"：防夾傳感器的神奇作用

　　The sharp 'tactile nerve': the magical effect of anti pinch sensors

　　自動(dòng)防夾功能的核心在于各類傳感器的應(yīng)用，它們?nèi)缤炜s棚的 "觸覺神經(jīng)"，能夠敏銳感知外界的障礙物。在濟(jì)南的伸縮棚中，常見的傳感器有紅外傳感器和壓力傳感器。紅外傳感器通常安裝在伸縮棚的邊緣或軌道兩側(cè)，形成一道看不見的紅外光束。當(dāng)有人或物體進(jìn)入光束范圍內(nèi)，傳感器會(huì)立即檢測(cè)到光束被阻斷，迅速向控制系統(tǒng)發(fā)出信號(hào)，使伸縮棚停止運(yùn)行或改變運(yùn)動(dòng)方向，避免夾傷事故發(fā)生。這種傳感器反應(yīng)迅速，能夠在毫秒級(jí)時(shí)間內(nèi)做出判斷，適用于人流量較大的公共場(chǎng)所。

　　The core of the automatic anti pinch function lies in the application of various sensors, which are like the "tactile nerves" of a retractable shed, capable of keenly sensing external obstacles. In the telescopic shed in Jinan, common sensors include infrared sensors and pressure sensors. Infrared sensors are usually installed at the edge of the retractable shed or on both sides of the track, forming an invisible infrared beam. When someone or an object enters the range of the beam, the sensor will immediately detect that the beam is blocked and quickly send a signal to the control system, causing the retractable shed to stop running or change the direction of movement to avoid injury accidents. This type of sensor responds quickly and can make judgments within milliseconds, making it suitable for public places with high pedestrian traffic.

　　壓力傳感器則更多用于伸縮棚的接觸式防夾。它通常被嵌入在棚體的邊緣或折疊部位，當(dāng)棚體在伸縮過程中接觸到障礙物時(shí)，壓力傳感器會(huì)感受到異常的壓力變化，并將這一信號(hào)傳遞給控制系統(tǒng)。控制系統(tǒng)接收到信號(hào)后，會(huì)立即命令電機(jī)停止轉(zhuǎn)動(dòng)，防止夾傷。在濟(jì)南的一些商業(yè)場(chǎng)所，這種壓力傳感器常常與柔軟的橡膠條配合使用，既能提高檢測(cè)的靈敏度，又能在接觸時(shí)起到一定的緩沖作用，進(jìn)一步增強(qiáng)性。

　　Pressure sensors are more commonly used for contact type anti pinch in retractable sheds. It is usually embedded at the edge or folding part of the shed. When the shed touches an obstacle during the expansion and contraction process, the pressure sensor will sense abnormal pressure changes and transmit this signal to the control system. After receiving the signal, the control system will immediately command the motor to stop rotating to prevent injury. In some commercial places in Jinan, this pressure sensor is often used in conjunction with soft rubber strips, which can improve the sensitivity of detection and provide a certain buffering effect when in contact, further enhancing safety.

　　智能的 "大腦"：控制系統(tǒng)的精準(zhǔn)指揮

　　Intelligent 'brain center': precise command of control system

　　如果說傳感器是伸縮棚的 "觸覺神經(jīng)"，那么控制系統(tǒng)就是它的 "大腦"，負(fù)責(zé)對(duì)傳感器傳來的信號(hào)進(jìn)行處理和判斷，并發(fā)出相應(yīng)的指令。濟(jì)南伸縮棚的控制系統(tǒng)通常采用微處理器或 PLC（可編程邏輯控制器），具有強(qiáng)大的數(shù)據(jù)處理和邏輯判斷能力。

　　If the sensor is the "tactile nerve" of the retractable shed, then the control system is its "brain center", responsible for processing and judging the signals transmitted by the sensor, and issuing corresponding instructions. The control system of Jinan telescopic shed usually uses microprocessors or PLCs (programmable logic controllers), which have powerful data processing and logical judgment capabilities.

　　當(dāng)傳感器檢測(cè)到障礙物后，控制系統(tǒng)會(huì)對(duì)信號(hào)進(jìn)行分析，判斷是真實(shí)的障礙物還是誤觸發(fā)。如果是誤觸發(fā)，比如樹葉飄過紅外光束，控制系統(tǒng)會(huì)忽略該信號(hào)，避免伸縮棚頻繁停止影響正常使用；如果確認(rèn)是真實(shí)的障礙物，控制系統(tǒng)會(huì)立即發(fā)出停止或反轉(zhuǎn)的指令，使棚體迅速停止運(yùn)動(dòng)或向相反方向移動(dòng)。一些的控制系統(tǒng)還具備記憶功能，能夠記錄之前的防夾事件，為后續(xù)的維護(hù)和優(yōu)化提供數(shù)據(jù)支持。

　　When the sensor detects an obstacle, the control system will first analyze the signal to determine whether it is a real obstacle or a false trigger. If it is a false trigger, such as a leaf floating over an infrared beam, the control system will ignore the signal to avoid frequent stopping of the retractable shed and affecting normal use; If it is confirmed to be a real obstacle, the control system will immediately issue a stop or reverse command, causing the shed to quickly stop moving or move in the opposite direction. Some advanced control systems also have memory functions, which can record previous anti pinch events and provide data support for subsequent maintenance and optimization.

　　可靠的 "動(dòng)力保障"：電機(jī)與傳動(dòng)系統(tǒng)的設(shè)計(jì)

　　Reliable 'power guarantee': safe design of motors and transmission systems

　　電機(jī)和傳動(dòng)系統(tǒng)是伸縮棚實(shí)現(xiàn)自動(dòng)防夾功能的 "動(dòng)力保障"，它們的設(shè)計(jì)同樣關(guān)重要。濟(jì)南伸縮棚通常采用具有過載保護(hù)功能的電機(jī)，當(dāng)電機(jī)負(fù)載超過額定值時(shí)，過載保護(hù)裝置會(huì)自動(dòng)切斷電源，防止電機(jī)因過載而損壞，同時(shí)也避免了因電機(jī)持續(xù)運(yùn)轉(zhuǎn)導(dǎo)致的夾傷風(fēng)險(xiǎn)。

　　The motor and transmission system are the "power guarantee" for the automatic anti pinch function of the telescopic shed, and their safety design is equally crucial. Jinan retractable sheds usually use motors with overload protection function. When the motor load exceeds the rated value, the overload protection device will automatically cut off the power supply to prevent the motor from being damaged due to overload, and also avoid the risk of injury caused by continuous operation of the motor.

　　在傳動(dòng)系統(tǒng)方面，一些伸縮棚采用了摩擦離合器或聯(lián)軸器等裝置。這些裝置在遇到過大阻力時(shí)會(huì)自動(dòng)打滑或斷開，使傳動(dòng)系統(tǒng)與電機(jī)分離，從而阻止棚體繼續(xù)運(yùn)動(dòng)。這種機(jī)械設(shè)計(jì)與電子防夾功能相輔相成，進(jìn)一步提高了伸縮棚的性。

　　In terms of transmission system, some telescopic sheds use devices such as friction clutches or safety couplings. These devices will automatically slip or disconnect when encountering excessive resistance, separating the transmission system from the motor and preventing the shed from continuing to move. This mechanical safety design complements the electronic anti pinch function, further improving the safety of the retractable shed.

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