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Objective nuclear scale calibrating system and its automatic calibration method

The technology of a calibration system and calibration method, which is applied in the field of nuclear scale physical calibration system, can solve the problems such as the large influence on the measurement accuracy of nuclear scales, and achieve the effect of improving the measurement accuracy

Inactive Publication Date: 2005-07-13
北京中乾机电设备有限责任公司
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Problems solved by technology

Due to the change of material load and the difference in the shape and location of the material accumulation, K≠constant, so the change of the load of the measured material, the difference in the location and the difference in the accumulation shape have a great influence on the measurement accuracy of the nuclear scale. Generally, the nuclear scale The accuracy can only reach 1-3%

Method used

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  • Objective nuclear scale calibrating system and its automatic calibration method
  • Objective nuclear scale calibrating system and its automatic calibration method
  • Objective nuclear scale calibrating system and its automatic calibration method

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Embodiment Construction

[0033] exist figure 1 , Figure 1a , Figure 1b , Figure 4a and Figure 4b Among them, an automatic physical calibration system for a nuclear scale shown in the present invention includes: a photoelectric level gauge 1, an electromagnetic vibrator 2, an automatic feeding bin 3, a weighing device 4, a bin lifting device 5, and a supporting base 6. Electric pulley pumping plate 7, feeding port 8, conveyor belt 9, nuclear scale 10, belt conveying device 11, material 12, hydraulic cylinder 13 and control device, etc. Wherein, the photoelectric material level gauge comprises a material level gauge generator 1 and a material level gauge receiver 1'. The bin lifting device 5 and the weighing device 4 are all fixed on the support base 6, and the feeding bin 3 can be placed on the bin lifting device 5 or on the weighing device 4, depending on the configuration of the bin lifting device 5. Depends on working status. The supporting base 6 is straddled on the belt conveyor 11 . Au...

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Abstract

The objective nuclear scale calibrating system includes nuclear scale, conveyer, calibrator and control device. The conveyer connects the calibrator and the nuclear scale; the calibrator includes material bin elevator on bearing seat, material bin elevating with the material bin elevator, weigher and material level gauge; the material level gauge is set in the upper part of the material bin and the material bin has one controllable outlet port in the lower part; the conveyer is below the outlet port; and the control device is connected to the material level gauge, material bin elevator and the weigher. The present invention is used in automatic calibration and inspection of the nuclear scale to correct the material calibrating coefficient and ensure the accuracy of nuclear scale.

Description

technical field [0001] The invention relates to a weighing scale, in particular to a physical calibration system for a nuclear scale and an automatic calibration method thereof. Background technique [0002] At present, the determination of the accuracy of nuclear scales and the inspection of the accuracy in use are all completed by physical calibration methods. The so-called physical calibration method is to use a standard scale to weigh a certain amount of material weight W o , and then send it to the nuclear scale for measurement by the conveyor, and obtain the material weight W i , thereafter, with W o and W i To correct the material calibration calibration coefficient K of the nuclear scale, that is, K 新 =(W o / W i )K 原 , this process is repeated several times until the accuracy error σ=(W o -W i ) / W o ≤ the accuracy required by the scale, the calibration work is over. This kind of calibration method is called the physical calibration method, and generally ne...

Claims

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Application Information

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IPC IPC(8): G01G9/00G01G15/00
Inventor 邸生才
Owner 北京中乾机电设备有限责任公司
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