No-model quick response temperature sensor for printer and copying machine
A temperature sensor, fast response technology, applied in thermometers, thermometer parts, thermometers with direct heat-sensitive electric/magnetic elements, etc., can solve the problems of thermal conductive silicone grease not durable, shorten the response time of temperature sensors, etc. To achieve the effect of prolonging the service life, improving the heat conduction speed and performance, and shortening the response time
Inactive Publication Date: 2016-12-07
肇庆爱晟传感器技术有限公司
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Problems solved by technology
[0007] Compared with the prior art, the filmless type fast-response printer copier temperature sensor of the present invention sinters the thermistor and the heat conduction sheet together, and the thermistor and heat conduction sheet change from the original point contact to the surface contact, completely improving The original technology adopts the defect of low thermal conductivity of the temperature sensor caused by thermal conductive silicone grease, which improves the thermal conductivity and thermal conductivity of the temperature sensor of the present invention; service life; in addition, the heat conduction sheet on the thermistor is directly in contact with the temperature sensing part, shortening the response time of the temperature sensor
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[0024] see figure 2 with image 3 , which are respectively the top view and side view structural diagrams of the filmless fast response printer copier temperature sensor of the present invention. The temperature sensor includes a thermistor 21 , a base 22 , a heat conducting sheet 23 , a wire 24 , a connection terminal 25 , and a silica gel block 26 . The silica gel block 26 is fixed on the base 22 . The thermistor 21 is sintered together with the heat conducting sheet 23 , and is arranged above the silica gel block 26 , and fixed on the base through the silica gel block 26 . One end of the wire 24 is connected to the base 22 , and the other end is connected to the connection terminal 25 . The thermistor 21 is electrically connected to the connection terminal 25 through the wire 24 .
[0025] The thermistor 21 is a glass-encapsulated resistor, including a thermal chip and a glass encapsulation layer, the glass encapsulation layer covers the thermal chip and exposes the le...
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Abstract
The invention discloses a no-model quick response temperature sensor for a printer and a copying machine, and the temperature sensor comprises a thermistor, a substrate, a thermal conducting piece, a wire, and a wiring terminal. The thermistor and the thermal conducting piece are sintered into one body, and are fixed on the substrate, wherein the thermal conducting piece faces outwards. One end of the wire is connected to the substrate, and the other end of the wire is connected with the wiring terminal. The thermistor is electrically connected to the wiring terminal through the wire. Compared with the prior art, the temperature sensor enables the thermistor and the thermal conducting piece to be sintered into one body, completely irons out the defect that a temperature sensor in the prior art is low in thermal conducting performance because thermal conducting resin and a polyimide film are employed, and improves the thermal conducting speed and performance of the temperature sensor. Moreover, the temperature sensor avoids a condition that the thermal conducting resin is not durable in a high-temperature environment, and prolongs the service life.
Description
technical field [0001] The invention relates to the technical field of electronic components, in particular to a temperature sensor of a filmless type fast response printer copier. Background technique [0002] At present, most temperature sensors use NTC thermistors as the core, because NTC thermistors have temperature sensitive characteristics of resistivity, high sensitivity, good interchangeability, high reliability, etc., and are widely used in temperature measurement, control, compensation, etc. , especially in copiers, printers and other office automation equipment has become an indispensable temperature control core components. [0003] Due to the development of society, office equipment such as printers and copiers have higher and higher requirements for operating temperature and response speed, and the response time requirements for temperature sensors used in them are also getting higher and higher. [0004] see figure 1 , which is a schematic diagram of an expl...
Claims
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Login to View More IPC IPC(8): G01K1/18G01K1/14G01K7/22
CPCG01K1/14G01K1/18G01K7/22
Inventor 林子文段兆祥杨俊唐黎民
Owner 肇庆爱晟传感器技术有限公司