Is the daily spot check of the hottest future rely

2022-08-14
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Will the daily spot check in the future rely on five senses or tools and instruments

the traditional spot check is a management method that arranges special personnel to check the parts of the equipment according to a certain period and standard by using human five senses and simple instruments and tools to determine whether it is normal, find hidden dangers, and master the initial information of the fault, so as to take countermeasures in time and eliminate the fault in the bud

if we touch someone's head with our hands and feel hot, we can judge that the person may have a fever. If I touch a piece of hot iron, I can't judge whether the hot iron is 245 degrees or 246 degrees. Because this is no longer a sensitive temperature area for people

our ears can hear sound, but we can't hear ultrasound; Our touch can feel the temperature, but we can't feel a lot of infrared rays; Our sense of smell can smell some strange smells, but many of them cannot be distinguished. Human nose is much slower than that of hounds, and many odor sensors are also more sensitive than human nose

traditional Chinese medicine mainly relies on feeling the pulse and differentiating the viscera through the floating, sinking, tardiness and speed of the pulse to diagnose diseases. It is even said that in the feudal era of infidelity between men and women, male doctors could not touch the woman's hand to feel the pulse, so they wrapped a silk thread around the woman's hand and pulled it out of the tent. The doctor touched the silk thread that pulled out 5 meters, and judged what disease the woman in the tent had through the inching of the silk thread. How clever the doctor was at that time?! And how the doctor's hand looks like a very sensitive vibration sensor

although modern traditional Chinese medicine still retains the tradition of pulse taking, even postdoctoral students who graduated from medical college will take the pulse of patients when seeing a doctor, and then issue a list saying that you should do a B-ultrasound and then an MRI. Although modern traditional Chinese medicine believes in pulse taking, and the detection methods that directly use human five senses such as looking, smelling, asking and cutting, it relies more on modern diagnostic instruments and equipment, such as blood test, urine test, electrocardiogram, ultrasonic detection, X-ray, nuclear magnetic resonance, etc

in theory, all technical means that can diagnose human diseases can be used to diagnose machinery and equipment, which is only a matter of cost and cost. Therefore, the spot check that relies solely on human five senses should also develop with the times to rely on instruments, meters and equipment other than the five senses, which are the extension tools of human five senses

in the era of IOT, the spot check of equipment is used more and more frequently for PDA. What is PDA

pda (personal digital assistant), also known as handheld computer, can help us complete work, study, entertainment and other activities in mobile, and we can make ourselves more usable and open. Classified by use, it can be divided into industrial PDA and consumer goods PDA. Industrial grade PDA is mainly used in the industrial field. The common ones are bar code scanner, RFID reader and writer, mobile POS machine and so on, which can be called PDA

rfid radio frequency identification is a non-contact automatic identification technology. It automatically identifies the target object and obtains relevant data through radio frequency signals. The identification work does not need human intervention, and can work in various harsh environments. RFID technology can identify high-speed moving objects and multiple electronic tags at the same time, which is fast and convenient to operate

rfid tags are composed of coupling elements and chips. Each RFID tag has a unique electronic code, which is attached to the object to identify the target object, commonly known as electronic tags or smart tags

the working principle of RFID is as follows: when the tag enters the magnetic field, it receives the RF signal sent by the reader, and sends the product information (passive tag, passive tag or passive tag) stored in the chip with the energy obtained by the induced current, or actively sends the signal of a certain frequency (active tag, active tag or active tag through user procurement, the demand of microcomputer controlled models will be higher); After the reader reads the information and interprets the reduced mercury consumption by 17 tons/year, it is sent to the central information system for relevant data processing

in the routine inspection, the above technology can be applied. The routine inspector can identify the point requiring routine inspection within a certain distance through the handheld PDA, and the routine inspection standard will immediately appear on the display screen of the PDA

if the routine check is good or not, the routine inspector presses the normal signal, which means that the routine check at this point is completed; If the equipment is abnormal, the spot inspector will press the abnormal information, and a dialog box will pop up. The spot inspector will fill in the specific abnormal information, or store it in the PDA's own memory, and then transfer it to the central server at an appropriate time; The information can also be directly transmitted to the server through public wireless network or internal WiFi

this function can completely replace the traditional paper check form. Some PDAs are also equipped with sensors to transmit the vibration, heating or gas leakage of the equipment, and even the rapid oil detection information, which is also called intelligent spot inspection

for those key bottleneck equipment, if the shutdown loss or harm is serious, it is necessary to track and monitor the equipment status at any time, and the above PDA is far from enough. People can monitor the status of equipment in real time through fixed sensors, transmit information to computers in real time, and even directly judge whether the equipment is faulty, which rises to status monitoring

the maintenance mode implemented by the information obtained through condition monitoring is called condition based maintenance, which is also called CBM internationally. It also belongs to preventive maintenance. However, it does not belong to regular preventive maintenance TBM, but irregular preventive maintenance according to the deterioration of equipment. Obviously, CBM is more accurate than TBM, which is more conducive to reduce or avoid excessive or insufficient maintenance

everything has advantages and disadvantages. Truth and error are originally a little different. There will always be some manufacturers in the market at present

with the development of electronization and informatization, people continue to put forward new ideas. Some experts even put forward that in the future, the equipment does not need people to diagnose the condition of the equipment. The self diagnosis facilities on the machine can diagnose the fault by itself, and even implement self repair

of course, it is completely possible to realize these assumptions technically. This makes us raise new questions. These self diagnosis and self repair facilities will certainly increase the cost of equipment, making cheap equipment expensive. Is there a market for them? Self diagnosis and self repair facilities make the equipment more complex and more difficult to diagnose and repair. Moreover, who will diagnose and repair these self diagnosis and self repair facilities? Can we design and install a set of self diagnosis and self repair facilities for these self diagnosis and self repair facilities? We are caught in cycles and paradoxes

on many occasions, human five senses is still the most direct and cheapest diagnostic tool, and we have no reason to give up

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