Infrared thermopile sensor supporting SMD
A thermopile sensor, infrared technology, applied in the direction of electric radiation detectors, instruments, scientific instruments, etc., can solve the problems of wasting electric energy, limiting the detection distance of sensors, changing the range, etc., to achieve the goal of ensuring accuracy, saving energy, and ensuring detection accuracy Effect
Pending Publication Date: 2020-11-13
王建家
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Problems solved by technology
By adjusting the voltage difference between the upper plate and the lower plate, the effective detection distance of the temperature sensor can be changed within a certain range, but it is necessary to continuously apply voltage to the upper plate during the working process, which not only wastes electric energy, but also limits Sensor detection distance change range
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[0027] As a specific embodiment of the present invention, the top of the thermopile sensor body 1 is rotatably installed with a rotating shaft 12, and the bottom of the side wall of the rotating shaft 12 is provided with a coil spring 13, and the coil spring 13 is used for resetting the rotating shaft 12. The top of the rotating shaft 12 is fixed with a rectangular plate 14, and one end of the rectangular plate 14 is fixed with a magnet 15. The side wall of the slider 3 is equidistantly provided with two or more grooves along the length direction of the guide rail 2. A magnet 16 is provided, and the magnetic magnet 15 and the magnet 16 are magnetically opposite, and there is no contact between the magnet 15 and the magnet 16; during work, when the slider 3 is in the correct working position, the No. 1 electromagnet 6 no longer touches the slider 3 adjustment, and the No. 2 electromagnet 8 may cause the slider 3 to move during the process of controlling the movement of the adjus...
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The invention belongs to the technical field of thermopile sensors, in particular to an infrared thermopile sensor supporting SMD. The thermopile sensor comprises a thermopile sensor body, the top endof the thermopile sensor body is provided with two guide rails. A sliding block is movably arranged on the guide rails, two or more round holes are formed in the sliding block in the length directionof the guide rails at equal intervals, the diameters of the round holes are gradually decreased, the round holes are used for adjusting the view angle of the thermopile sensor body, two baffles are arranged between the two guide rails, and the baffles are used for guaranteeing that a single round hole is in a working state. According to the invention, the visual angle of the thermopile sensor body is changed by adjusting the diameter value of the circular hole in the sliding block; therefore, the thermopile sensor body can measure the distance of the temperature to change, extra energy does not need to be consumed to keep the state after single adjustment is completed, energy is saved, and a convenient solution is provided for the thermopile sensor body to achieve detection of different distances.
Description
technical field [0001] The invention belongs to the technical field of thermopile sensors, in particular to an infrared thermopile sensor supporting SMD. Background technique [0002] SMD means surface mount device, which is one of the SMT components. A thermopile is a pyrolytic infrared sensor, which is a device composed of thermocouples. It has been widely used as a temperature detection device in ear thermometers, radiation thermometers, electric ovens, food temperature detection and other fields. It consists of two or more thermocouples connected in series, and the thermoelectric potentials output by each thermocouple are superimposed on each other. Thermopile sensors are used to measure small temperature differences or average temperatures. [0003] There are also some technical solutions about infrared thermopile sensors in the prior art, such as a Chinese patent with application number 2016105965310, which discloses a temperature sensor packaging structure. The pac...
Claims
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IPC IPC(8): G01J5/12G01J5/02B08B5/02
CPCB08B5/023G01J5/0205G01J5/12
Inventor 王建家沈恒祥
Owner 王建家