distributed temperature sensing dts system-INNO

Introduction to the functions and principles of mfumo wa kipimo cha joto cha fiber optic iliyosambazwa

Detection principle of mfumo wa ufuatiliaji wa joto la fiber optic iliyosambazwa

The principle of a fiber-optic distributed temperature sensing system is that as the temperature of the detection point changes, the intensity of Raman scattered light scattered in the opposite direction in the fiber optic also changes after applying a pulse laser. Kisha, these scattered light are filtered and converted into electrical signals. This process converts the optical signal into an electrical signal, amplifies the electrical signal, and then converts it through the system to output data through a signal processor. The scattering velocity of Raman scattered light waves is constant, and the location of monitoring points is calculated by calculating the time it takes for the scattered waves to return. When a certain pulse laser is applied in the optical fiber, the laser photons have energy. After interacting with molecules, the molecules are excited and release a certain amount of energy. The energy difference between them causes a change in the frequency of the released photons. By sensing the change in this energy, the signal changes are displayed, and the temperature change at the monitoring point is calculated.

Principle of fiber optic distributed temperature sensing system

Fiber optic transmission refers to the transmission of information through the transmission of light through optical fibers. In physics, it can be understood that changes in the propagation medium occur during the propagation of light, and reflection and refraction occur when the refractive index of the propagation medium is not equal. In order to ensure minimal information transmission loss, it is necessary to achieve total reflection of light waves in optical fibers, and laser energy concentration has monochromaticity and directionality, so it can be used as a light source for this project. Considering the phenomenon of fiber dispersion, a shorter fiber length was designed to make the fiber as straight as possible to reduce energy loss, and a fixed frequency laser transmitter was selected. Kwa sasa, most optical fibers are made of quartz as raw material, and special data fibers are used to enhance Raman scattering, with a small amount of high concentration germanium added.

Hardware and software system hardware structure of fiber optic distributed temperature kuhisi

The optimization of system hardware is the foundation for improving temperature measurement systems, including sensing optical fibers, photoelectric conversion devices, information processors, and computers. Kwanza, improvements were made to the sensing optical fiber. In order to ensure the transmission of Raman scattering signals during the experiment, germanium was added to the quartz optical fiber, and the length of the fiber was shortened while making it as straight as possible. Pili, use laser emitters with small volume and high stability in high temperature and magnetic interference environments. Thirdly, replace commonly used photodiodes (PINs) with high gain avalanche photodiodes (APDs), and select the optimal operating point near the avalanche breakdown point to ensure both signal gain and sensitivity of the photoelectric converter. Nne, boresha mzunguko wa ukuzaji wa ishara, kuongeza uwezo wa uteuzi wa mzunguko wa mzunguko, kuboresha azimio la ishara na uwezo wa kukuza, huku ukipunguza matumizi ya nguvu kadri inavyowezekana.

Vifaa vya mfumo ni msingi, na programu ya mfumo ni ufunguo wa lazima katika mchakato wa kutambua. Mabadiliko ya hali ya joto katika vifaa vya kubadili voltage ya juu yanatokea kila wakati, kwa hivyo teknolojia ya ufuatiliaji wa wakati halisi inapaswa kupitishwa. Maadili ya onyo la joto yanapaswa kuwekwa kulingana na hali halisi, na hatari zinazoweza kutokea zinapaswa kufuatiliwa na kushughulikiwa kwa wakati ufaao. Mabadiliko ya joto katika kila siku ya kazi inapaswa kurekodiwa, na uchambuzi na matibabu ya kina yanapaswa kufanywa ili kupunguza hatari kwenye bud. Kwa kutumia mfumo wa Windows na hifadhidata ya SQL, integrating multiple functions such as data management, data querying, ufuatiliaji wa wakati halisi, signal alarm, nk., and being able to detect problems in the system, considering all possible faults.

The principle of temperature measurement system for fiber optic iliyosambazwa mfumo is that the system can continuously monitor the temperature inside the cabinet at fixed points and accurately measure the temperature changes of the measured points. This provides a basis for preventive maintenance of switchgear and reduces safety hazards.