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Precision instrument micro-heating controllable constant temperature dehumidifier and dehumidification method

A precision instrument, constant temperature dehumidification technology, applied in chemical instruments and methods, separation methods, dispersed particle separation, etc., can solve the problems of inaccurate standard instruments, unqualified inspections, etc., and achieve accurate constant temperature points, simple production, and versatility strong effect

Active Publication Date: 2016-01-20
STATE GRID FUJIAN ELECTRIC POWER CO LTD +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the standard has a certain degree of airtightness, the pervasive dust and moisture will cause the standard to be out of alignment in daily use, and cause the standard to be unqualified for inspection

Method used

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  • Precision instrument micro-heating controllable constant temperature dehumidifier and dehumidification method
  • Precision instrument micro-heating controllable constant temperature dehumidifier and dehumidification method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] a kind of like figure 2 The micro-heating and controllable constant temperature dehumidifier shown in the precision instrument includes a micro-heating plate 1, a heating indicator light 2, an isolated small-power transformer 4, a digital temperature display controller 5, and a thermal sensor 6. The digital temperature display controller is connected with a thermal sensor, the digital temperature display controller and the micro-heater are respectively connected to the input side and the output side of the isolated low-power transformer, and the input side of the isolated small-power transformer is connected to the power supply , an automatic temperature control contact is set between the micro heating plate and the output side of the isolated small power transformer. The micro-heating chip is installed at a suitable position at the bottom of the standard, and its two ends are pressed with two thin narrow epoxy resin strips, and fixed on the bottom of the standard with...

Embodiment 2

[0028] A precision instrument micro-heating controllable constant temperature dehumidification method, the steps are as follows, the dehumidification method uses the precision instrument micro-heating controllable constant humidity dehumidifier according to claim 1, specifically, the micro-heating chip is installed on the standard Use two thin and narrow epoxy resin strips to press the two ends of the standard device at a suitable position at the bottom of the standard device, and fix it to the bottom of the standard device with glue; the heating indicator light is installed on a large and small epoxy resin sheet, and sealed with glue Fix it on a large and small rectangular hole on the top of the standard; use a flexible wire with a wire diameter not greater than 0.5mm to weld the micro heater and the heating indicator light, and finally use glue to permanently fix the soft wire, and the thermal sensor is fixed with glue At a suitable position between the micro-heating plate an...

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Abstract

The invention discloses a micro heating-controllable thermostat dehumidifier for a precision instrument and a dehumidification method thereof. The micro heating-controllable thermostat dehumidifier comprises a digital temperature display control instrument, a micro heating plate, a small-power isolation transformer and a heat-sensitive sensor, wherein the digital temperature display control instrument is connected with the heat-sensitive sensor; the digital temperature display control instrument and the micro heating plate are respectively connected with the input side and the output side of the small-power isolation transformer; the input side of the small-power isolation transformer is communicated with a power supply; and a temperature automatic control contact is arranged between the micro heating plate and the output side of the small-power isolation transformer. The micro heating-controllable thermostat dehumidifier for the precision instrument and the dehumidification method thereof have the benefits that the material taking and the manufacture are simple, the use is convenient, and a thermostat point is accurate and adjustable; the safety is good in aspect of electricity utilization and temperature control; the university is strong, so that the micro heating-controllable thermostat dehumidifier can be used for most of precision instruments required dehumidification; and the digital temperature display control instrument and the small-power isolation transformer can be taken as shared equipment in a laboratory.

Description

technical field [0001] The invention relates to a dehumidification device, in particular to a micro-heating controllable constant temperature dehumidifier and a dehumidification method suitable for precision instruments such as insulation resistance meter standards. Background technique [0002] In the verification of electrical measuring instruments, there is an instrument called an insulation resistance meter. According to the regulations, it needs to be verified once every two years. The standard used for the verification is the insulation resistance meter standard (hereinafter referred to as standard device). As a standard device, it must be regularly sent to the higher-level department for verification every year, and the value transfer can only be carried out after passing the verification. Although the standard has a certain degree of airtightness, the pervasive dust and moisture will cause the standard to be out of alignment in daily use, and cause the standard to b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/26
Inventor 杨泽南詹长熟许素芳蔡秀丽
Owner STATE GRID FUJIAN ELECTRIC POWER CO LTD