Ceramic and metal shell embedded temperature sensor and manufacturing method thereof
A technology of temperature sensor and metal shell, which is applied to thermometers, thermometer parts, thermometers with direct heat-sensitive electric/magnetic elements, etc., can solve problems such as changes in thermistors, and achieve improved insulation performance and thermal response. No change in time, good fixation and protection effect
Pending Publication Date: 2020-09-22
XIAOGAN HUAGONG GAOLI ELECTRONICS
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the defects of the prior art and provide a ceramic and metal shell embedded temperature sensor to solve the problem that the position of the thermistor changes in a long-term high-temperature environment
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[0025] 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 making creative efforts belong to the protection scope of the present invention.
[0026] Such as Figure 1-Figure 3 , the embodiment of the present invention provides a ceramic and metal shell embedded temperature sensor, including a thermistor 1, a ceramic shell 4, and a metal shell 7, the ceramic shell 4 is embedded in the metal shell 7, and the thermistor The resistor 1 is packaged in the ceramic shell 4 , and the two leads of the thermistor 1 protrude from the metal shell 7 . In the present invention, the thermistor 1 is first packaged...
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Abstract
The invention provides a ceramic and metal shell embedded temperature sensor, which comprises a thermistor, a ceramic shell and a metal shell, and the ceramic shell is embedded in the metal shell, thethermistor is packaged in the ceramic shell, and two leads of the thermistor extend out of the metal shell. The invention also provides a manufacturing method of the ceramic and metal shell embeddedtemperature sensor. The manufacturing method comprises the following steps: 1, sleeving the two leads of the thermistor with the first high-temperature sleeves; 2, packaging the thermistor in the ceramic shell by adopting a second high-temperature connecting agent; 3, wrapping the parts, located outside the ceramic shell, of the two first high-temperature sleeves in a second high-temperature sleeve; 4, embedding the ceramic shell packaged with the thermistor into the metal shell, wherein a part of the second high-temperature sleeve extends out of the metal shell; 5, filling the metal shell with a first high-temperature connecting agent; 6, enabling the end, allowing the second high-temperature sleeve to extend out, of the metal shell to be subjected to closing-in riveting treatment; and 7,arranging a mounting frame on the metal shell.
Description
technical field [0001] The invention relates to the field of temperature sensors, in particular to a ceramic and metal shell embedded temperature sensor and a manufacturing method thereof. Background technique [0002] The temperature sensor is used as a monitoring tool in the commonly used cabinets of household appliances such as ovens, steamers, combined steamers, air fryers, and induction cookers. As people have higher requirements for response time (thermal time constant) and stability of household electrical products such as ovens, steamers, steam-oven integrated boxes, air fryers, and induction cookers, more and more attention has been paid to the frequent use of products. In the existing temperature sensor, the thermistor is encapsulated in the metal case by the high-temperature connector, which will cause the aging of the high-temperature connector and the like in the case of high-temperature use for a long time and cause the thermistor to lose its position. changes...
Claims
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IPC IPC(8): G01K1/08G01K1/12G01K1/14G01K7/22
CPCG01K1/08G01K1/12G01K1/14G01K7/22
Inventor 黄猛龚逢源魏文彪
Owner XIAOGAN HUAGONG GAOLI ELECTRONICS