Measurement and control instrument with high measurement precision

A technology for measurement accuracy and instrumentation, which is applied in the field of measurement and control instruments, can solve the problems of affecting measurement accuracy and increasing the resistance of metal electrodes, and achieve the effects of enhancing measurement accuracy, increasing service life, and facilitating inquiries

Pending Publication Date: 2020-01-07
苏州乐仪智能科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a measurement and control instrument with high measurement accuracy to solve the problem that the resistance of the metal electrode raised in the above background technology affects the measurement accuracy

Method used

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  • Measurement and control instrument with high measurement precision
  • Measurement and control instrument with high measurement precision
  • Measurement and control instrument with high measurement precision

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Embodiment Construction

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0020] see Figure 1-3 , an embodiment provided by the present invention: a measurement and control instrument with high measurement accuracy, including a base plate 1, a housing 2 is installed above the base plate 1, an inspection panel 3 is arranged on the front end of the housing 2, and the front end of the inspection panel 3 A measurement button 4 is arranged on the surface, a buzzer 5 is arranged on one side of the measurement button 4, a liquid crystal meter 6 is arranged above the buzzer 5, a radiator 7 is installed on the upper end of the housing 2, and a radiator 7 is arranged on the upper surface of the radiator 7. There are air holes 8, and both sides of t...

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Abstract

The invention discloses a measurement and control instrument with high measurement precision, relates to the field of instruments, and aims to solve the problem that the measurement precision is influenced due to the fact that the resistance of a metal electrode is increased in the prior art. A radiator is mounted at the upper end of a shell, vent holes are formed in the upper end surface of the radiator, fixing cylinders are mounted at the two sides of the shell respectively, fastening knobs are arranged at the upper ends of the fixing cylinders respectively, cables are arranged on each fastening knob, each fixed cylinder is internally provided with a current transformer, each current transformer is provided with binding posts at the upper end, a temperature sensor is arranged in the inner upper end of the shell, a main control board is arranged in the inner lower surface of the shell, a transformer is arranged on one side of each current transformer, a processor is arranged on one side of the transformer, an alarm is arranged at one side of the temperature sensor, a cooling fan is arranged on one side of the alarm, fan blades are arranged in the lower the cooling fan, and a cooling net is arranged under the fan blades.

Description

technical field [0001] The invention relates to the technical field of instruments, in particular to a measurement and control instrument with high measurement accuracy. Background technique [0002] The measurement and control instrument can directly replace conventional power transmitters and measuring instruments. As an advanced intelligent and digital front-end acquisition component, the power instrument has been widely used in various control systems, SCADA systems and energy management systems. The instrument adopts AC sampling technology, which can measure parameters such as current, voltage, power, power factor and electric energy in the power grid, and can set the magnification through the panel membrane switch, with functions such as RS485 communication, alarm output, and digital input / output. Parameter measurement, power quality monitoring and analysis, electrical equipment control Power measurement and control equipment that provides solutions, with accurate powe...

Claims

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Application Information

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IPC IPC(8): G01R1/02G01R31/00
CPCG01R1/02G01R31/00
Inventor 方勇
Owner 苏州乐仪智能科技有限公司
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