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NAMUR switch instrument transmitter and control method

A transmitter and instrument technology, applied in the field of NAMUR switch instrument transmitter and control, can solve problems such as inconvenient operation, complex structure, rough alarm point setting, etc., to improve stability, prevent external interference, and ensure normal operation Effect

Pending Publication Date: 2020-11-10
北京妙思特仪表有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the alarm device is a mechanical alarm device with complex structure, rough setting of alarm points, and inconvenient operation. If you want to adjust the alarm point, you need to change the complex mechanical structure
[0004] For the related technologies mentioned above, the inventor believes that there is a defect that it is not convenient to set the alarm point on the spot

Method used

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  • NAMUR switch instrument transmitter and control method
  • NAMUR switch instrument transmitter and control method
  • NAMUR switch instrument transmitter and control method

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Embodiment Construction

[0049] The following is attached Figure 1-4 The application is described in further detail.

[0050] The embodiment of the present application discloses a NAMUR switch instrument transmitter. refer to figure 1 A NAMUR switch instrument transmitter includes an MCU microprocessor 1, a sensor 2 connected to the input end of the MCU microprocessor 1, a key unit 3 connected to the input end of the MCU microprocessor 1, and a button unit 3 connected to the MCU microprocessor 1 The output terminal is connected to the switching current control circuit.

[0051] The sensor 2 is used to collect the analog electrical signal of the industrial liquid flow or liquid level in real time, and the MCU microprocessor 1 is used to receive and process the analog electrical signal of the industrial liquid flow or liquid level input by the sensor 2 . Wherein, the sensor 2 may be one of a bridge resistive sensor, a Hall sensor, a capacitive sensor or an inductive sensor.

[0052] The MCU micropr...

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PUM

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Abstract

The invention discloses an NAMUR switch instrument transmitter and a control method, and relates to the technical field of transmitters, and the NAMUR switch instrument transmitter comprises an MCU microprocessor, a sensor connected with the input end of the MCU microprocessor, a key unit connected with the input end of the MCU microprocessor, and a switch current control circuit connected with the output end of the MCU microprocessor. The NAMUR switch instrument transmitter has the effect of conveniently adjusting and setting alarm points according to field requirements.

Description

technical field [0001] The application relates to the field of transmitters, in particular to a NAMUR switch instrument transmitter and a control method. Background technique [0002] In the process of industrial preparation, many sites involving flow and liquid level need to monitor the state parameters of flow or liquid level in real time to ensure the smooth progress of industrial preparation and other processes. [0003] The Chinese patent with the notification number CN202403709U discloses a NAMUR signal alarm device, including a mounting base, a metal sheet, a grooved NAMUR proximity switch, a terminal block and a connection support plate, and the mounting base is installed on the On the shell of the indicator, the metal sheet is a centrally symmetrical sector, and the symmetrical center is installed on the pointer shaft of the indicator. The upper and lower parts of the mounting base have a groove with the indicator as the center of the circle. The grooved NAMUR proxi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/56G01F23/22G01F23/24G01F23/26G01F15/06G05B19/042
CPCG01F1/56G01F23/22G01F23/241G01F23/261G01F15/068G05B19/0423
Inventor 李亚朋王晓峰王洪生
Owner 北京妙思特仪表有限公司
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