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我需要开发一个温度传感控制器演示。该系统将安装在运载食物产品的位置上。温度需要根据食品的不同而改变,即牛奶制品、水果等的不同温度。你能建议哪种传感器适合这种应用的热敏电阻、热电偶或二极管?
以上来自于百度翻译 以下为原文 I need to develop a temperature sensing controller demo. This system will be installed in a vehicle which carries food products across locations. The temperature needs to be changed based on the food product i.e. different temperature for milk products, fruits etc. Can you suggest which kind of sensor will be suitable - Thermistor, Thermocouple or diode for this application? |
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12个回答
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看一看这里
HTTP://www. CyPress?COM/?RID=61127 HTTP://www. CyPress?COM/?RID=51626 HTTP://www. CyPress?COM/?RID=63613 或者这里是HTTP://www. CyPress?DOCID=25376。 所有找到关键字搜索“温度传感” 快乐编码 鲍勃 以上来自于百度翻译 以下为原文 Have a look here http://www.cypress.com/?rID=61127 http://www.cypress.com/?rID=51626 http://www.cypress.com/?rID=63613 or here http://www.cypress.com/?docID=25376. all found with a keyword search "Temperature sensing" Happy coding Bob |
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如果你有非接触式温度的要求
感应MELISIS和TI提供红外T传感器 HTTP://MELXISIS/COM/PROSTECTORE分类/红外热传感器-155.ASPX HTTP://www. Ti.COM/WW/En/Addio/TMP06/DIXX.SHTML?DCMP=HPA-TMP-TMP06&HQS=其他+PR+TMP06PR 然而,这些往往是更昂贵的浸泡。 问候,Dana。 以上来自于百度翻译 以下为原文 Should you have a requirement for non contact temp sensing Melexis and TI offer IR T sensors - http://melexis.com/Products-By-Category/Infrared-Thermometer-Sensors-155.aspx http://www.ti.com/ww/en/analog/tmp006/index.shtml?DCMP=hpa-tmp-tmp006&HQS=Other+PR+tmp006-pr These tend to be more expensive soplutions, however. Regards, Dana. |
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嗨,鲍伯,
我确实看过了链接和链接中的框图——HTTP://www. CyPress。RID=61127,很明显,我们可以使用不同类型的温度传感器,但是在这里没有提到选择传感器的标准。你能给我一些关于如何选择传感器的提示吗? 我对这个领域很陌生,我仍然在做可行性研究,所以任何信息都是有用的。 谢谢 希那时 以上来自于百度翻译 以下为原文 Hi Bob, I did have a look at the links and from the block diagram in the link - http://www.cypress.com/?rID=61127, it is clear that we can use different types of temperature sensors, but the criteria for the selecting the sensor is not mentioned there. Could you give me some pointers as to how we can select the sensor? I am pretty new to this domain and am still doing a feasibility study therefore any sort of information would be useful. Thanks Shenaz |
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我不是VIEX有温度传感器(编程是我的主要任务)。据我所知:
热电偶对于更高的温度是最好的,本质上是精确的,由于需要的放大,信号具有低幅度(V /度)可能是嘈杂的。 PTCS和NTCs便宜,但不精确,需要校准,老化,但在你估计的温度范围内有用。重复校准需要一些软硬件和定期检查。 精确测量结温是可以做到的,但有一件事让我感到不安:测量点和设备之间的大(电子设备)距离用来设定/控制所需的温度。 因此,我建议一个完全不同的解决方案:使用一个(或更多)热传感器(S)与I2C接口在较低的频率(屏蔽电缆),并将其连接到一个PSoC与LCD和键盘。一个简单的概念证明可以很容易地用一个便宜的PSoC1开发板。 鲍勃 以上来自于百度翻译 以下为原文 I am not veryx experienced with Temperature sensors (programming is my main-task). As far as I know: Thermocouples are best for higher temperatures, inherently precise, the signal has a low amplitude (V/degree) could be noisy due to the needed amplification. PTCs and NTCs are cheap but unprecise and need calibration, are aging, but are usefull within your estimated temperature range. Repeated calibration needs some software and hardware and regular checking. Measuring precisely the junction temperature can be made, but ther is one thing I find disturbing: the large (for electronic equipment) distance between the measurement point(s) and the device to set / control the required temperature. So I would suggest a complete different solution: Use a (or more) thermo-sensor(s) with I2C interface at lower frequency (shielded cabling) and connect it to a PSoC with an LCD and a keypad. A simple proof-of-concept can be made easily with a cheap PSoC1 development board. Bob |
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这个应用程序的测量范围会很低。热敏电阻将是一个很好的选择。
机械设置如何? 1。传感器和执行器定位在哪里? 2。PSoC定位在哪里? 当做, 拉吉夫-巴迪格 以上来自于百度翻译 以下为原文 The range of measurement will be low for this application. Thermistor would be a good choice. How is the mechanical setup - 1. where will be the sensors and actuators positioned? 2. where will be PSoC located? regards, Rajiv Badiger |
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嗨,Shenaz,
许多冰箱使用热敏电阻作为温度传感器。 使用PSOC1的热敏电阻,你可以参考2017年这里的HTTP://www. CyPress?RID=2606 ——Aditya 以上来自于百度翻译 以下为原文 Hi Shenaz, Alot of refrigerators use thermistor as the temperature sensor. To use a thermistor with the PSoC1 you can refer to AN2017 here http://www.cypress.com/?rID=2606 -- Aditya |
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由于这是一个食品/卡车应用,其中最简单和固有的。
线性将是LM334/335型传感器。LM334是一个电流传感器, 可用于长电缆运行是一个电流设备,并与电阻器 将I转换为V和PSoC A/D,并用一个简单的方程来计算T 微不足道的实施。非常线性,和初始未校准精度+/- 3 C度低,LTC成本低。335是V型传感器,所以更多。 适合更短的距离。5 C初始精度部分为AD592 模拟器件,目前的一部分。 当然二极管是最便宜的传感器HTTP://www. Ti.COM/LIT/AN/SBOA019/SBOA019.PDF。 到TI的BARAD选择传感器。HTTP://www. Ti.COM/PARAMSECHCH/DOCS/ValueStReChest.tSP?家庭=模拟和家庭的= 611和UITEMPLADEID = NoDEYStruyPGEYT 然后总是集成到车辆系统中,通过CAN,LIN.… 然后有大量的串行总线部件,布线增加成本来处理。 高噪声环境。 问候,Dana。 以上来自于百度翻译 以下为原文 Since this is a food/trucking application, one of the easiest and inherently linear would be an LM334/335 type sensor. The LM334 is a current sensor, can be used over long cable runs being a current device, and with a resistor to convert I to V, and PSOC A/D, and a simple equation to calculate T, its trivial to implement. Very linear, and initial uncalibrated accuracy of +/- 3 degrees C and low cost from LTC. The 335 is a V type sensor, so more appropriate for shorter distances. .5 C initial accuracy part is AD592 from analog devices, a current part. Of course diode is the cheapest sensor http://www.ti.com/lit/an/***oa019/***oa019.pdf Go to ti for a borad selection of sensors. http://www.ti.com/paramsearch/docs/parametricsearch.tsp?family=analog&familyId=611&uiTemplateId=NODE_STRY_PGE_T Then there is always integrationg into vehicle system, via CAN, LIN.... Then there is a plethora of serial buss parts, cabling adding cost to handle high noise environment. Regards, Dana. |
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是的,答案似乎和往常一样:“这取决于……”
温度范围 精度 易用性 噪声环境 电缆长度 价格 鲍勃 以上来自于百度翻译 以下为原文 Yes, the answer seems to be as usual: "That depends on..." The temperature range The precision Ease of use Noisy environment Cable length Price Bob |
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大家好
非常感谢你提供答案的帮助。传感器建议,阅读材料链接是非常有用的。 鲍伯,这里有几个规格 温度范围-50至50/60 精度-+/- 0.5(不需要高精度,因为它是一个低成本的应用) 电缆长度:20米左右 价格-不固定,但应该是一个低成本的应用。 谢谢 希那时 以上来自于百度翻译 以下为原文 Hello All Really appreciate your help in providing answers. The sensors suggested, reading material links are really useful. Bob, here are the few specifications The temperature range - -50 to 50/60 The precision - +/- 0.5 (there is no need of high precision as it is a low cost application) Cable length - around 20 m Price - Not fixed but should be a low cost application. Thanks Shenaz |
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这里有一个指南可能会有帮助。电流传感器可能是最好的方法,
节省铜成本,2线,处理长距离。你必须做简单的事情 传感器柔度V的计算。 HTTP//WW1.MICCHIP.COM/DeLoSt/En/DeVICEDC/21895D.PDF 这里有几个指南,包括一个汽车解决方案指南。 HTTP://www. Ti.COM/Apdio/DOCS/SealthCudith.TSP?家庭ID=353 问候,Dana。 以上来自于百度翻译 以下为原文 Here is a guide that might help. Current sensor probably best approach, save Cu costs, 2 wire, handle long distances. You would have to do simple computation of compliance V for the sensor. http://ww1.microchip.com/downloads/en/DeviceDoc/21895d.pdf There are several guides here, including an automotive solutions guide - http://www.ti.com/analog/docs/selectionguides.tsp?familyId=353 Regards, Dana. |
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这里有一个Ti选择工具的2线传感器可能是有用的-
HTTP://FooS.T.COM/PARAMSECHCH/DOCS/ValuthStRESCHEC.TSP?家庭=模拟和家庭的= 611和UITEMPLADEID = NoDEYStruyPGEYT 问候,Dana。 以上来自于百度翻译 以下为原文 Here is a TI selector tool for 2 wire sensors that might be useful - http://focus.ti.com/paramsearch/docs/parametricsearch.tsp?family=analog&familyId=611&uiTemplateId=NODE_STRY_PGE_T Regards, Dana. |
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谢谢大家给我提供了很多有用的信息。
以上来自于百度翻译 以下为原文 Thanks to all for providing me with a lot of useful information. |
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