Dry body temperature furnace convenient for detection

A dry body and constant temperature technology, applied in thermometers, thermometers using directly heat-sensitive electric/magnetic elements, thermometer testing/calibration, etc., can solve the problem of slow heat transfer, achieve low temperature loss and simple operation Convenient and quick verification effect

Pending Publication Date: 2020-11-24
HUBEI QINGJIANG HYDROPOWER DEV
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] 1. The heat transfer medium of the dry furnace is air, and the heat transfer speed is slow

Method used

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  • Dry body temperature furnace convenient for detection
  • Dry body temperature furnace convenient for detection
  • Dry body temperature furnace convenient for detection

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Embodiment Construction

[0031] 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0032] In describing the present invention, it is to be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "surrounding" etc. Indicating orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a sp...

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Abstract

The invention discloses a dry body temperature furnace convenient for detection, and relates to the technical field of instrument calibration devices. The furnace comprises a furnace body, a constant-temperature soaking block is arranged in the furnace body, a first jack and a plurality of second jacks are formed in the constant-temperature soaking block, a standard platinum resistor is arranged in the jack, a first sealing cover is arranged at the end of the jack, and a wire inlet hole is formed in the first sealing cover. A second sealing cover is arranged on the second jack. A to-be-calibrated element is arranged in the second jack. A sleeve used for being connected to the peripheral side of the to-be-calibrated element in a sleeving mode is further arranged in the second insertion hole. The sleeve comprises an outer sleeve body and an inner sleeve body. A flange abutting against the bottom end of the inner cylinder is arranged at the bottom end of the outer cylinder, and a plurality of damping buffer elements are arranged on the bottom side face of the flange. A plurality of arc-shaped blocks are evenly distributed on the inner side wall of the top end of the outer cylinder, and an opening is formed between every two adjacent arc-shaped blocks. When the dry body temperature furnace is used, heat is conducted through the sleeve, and meanwhile the amount of air between the furnace cavity of the dry type furnace and the sleeve and between the sleeve and the temperature measuring element is reduced.

Description

technical field [0001] The invention belongs to the technical field of instrument calibration devices, and in particular relates to a dry body temperature furnace which is convenient for detection. Background technique [0002] Dry-body furnace, also called dry-well furnace, is a portable dry-body temperature calibrator. Dry body furnaces are widely used in the calibration of temperature sensors in the field or in laboratories. Compared with traditional liquid tank temperature calibrators, dry body furnaces use dry blocks for heating or cooling, which greatly improves the heating and cooling speed and greatly reduces the temperature. The size of the device is reduced, which can meet the needs of portability in field applications. [0003] However, the dry furnace has the following problems in use: [0004] 1. The heat transfer medium of the dry furnace is air, and the heat transfer speed is slow. [0005] 2. The diameter of the body temperature measuring element is much s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K15/00G01K7/18G01K7/02
CPCG01K7/02G01K7/18G01K15/005
Inventor 许重庆刘春严苗刘政李尹罡王宋翔辛欣张皓珣王靓袁学楷文勇王勇
Owner HUBEI QINGJIANG HYDROPOWER DEV
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