CN212463551U - Temperature measuring mechanism of electromagnetic heating roller - Google Patents
Temperature measuring mechanism of electromagnetic heating roller Download PDFInfo
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- CN212463551U CN212463551U CN202021359880.9U CN202021359880U CN212463551U CN 212463551 U CN212463551 U CN 212463551U CN 202021359880 U CN202021359880 U CN 202021359880U CN 212463551 U CN212463551 U CN 212463551U
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- heating roller
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- electromagnetic coil
- spiral groove
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Abstract
The utility model discloses an electromagnetic heating roller temperature measuring mechanism, which comprises a heating roller, wherein the heating roller is made of magnetic conductive metal, an electromagnetic coil is arranged in the heating roller, the electromagnetic coil is wound on a non-magnetic metal body, and a quartz ceramic cylinder is arranged between the electromagnetic coil and the heating roller; the heating roller is characterized in that a variable magnetic field generated by electrifying the electromagnetic coil enables the heating roller made of magnetic conductive metal materials to generate electromagnetic induction eddy current to generate heat, a spiral groove hole is formed in the wall of the heating roller, temperature sensors are uniformly arranged in the spiral groove hole, and the temperature sensors are in contact with the inner wall of the spiral groove hole. The utility model has simple structure, convenient use and lower cost; the utility model discloses a contact multiple spot temperature measurement is with the spiral distribution of temperature sensor, and it is wider more even to distribute, has guaranteed heating roller surface temperature measurement's accuracy, and temperature sensor embeds in roller section of thick bamboo wall simultaneously, and the mounting means is reliable and stable, and measuring environment is good.
Description
Technical Field
The utility model relates to a warming mill technical field, concretely relates to electromagnetic heating roller temperature measurement mechanism.
Background
The traditional industrial heating mode is to use electric heating wires, electric heating blocks, carbon rods and the like to be electrified and heated, and then to bake other industrial containers needing to be heated in a heat conduction mode. The maximum electric-heat conversion efficiency of heaters such as heating wires, electric heating blocks, carbon rods and the like is only 60-80%. Other industrial containers are baked through a heat conduction mode, and heat energy is wasted seriously. The electromagnetic heater directly generates electromagnetic induction eddy current heating on the ferromagnetic industrial container by using the electromagnetic induction principle, and the electrothermal conversion efficiency is high. And electromagnetic heating roller is in the use, need monitor the temperature of roller, guarantees the heating effect to the product, and current temperature measurement mode adopts the single-point temperature measurement, and the error is great.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electromagnetic heating roller temperature measurement mechanism.
In order to achieve the above object, the utility model adopts the following technical scheme: a temperature measuring mechanism of an electromagnetic heating roller comprises a heating roller, wherein the heating roller is made of magnetic conductive metal, an electromagnetic coil is arranged in the heating roller and wound on a non-magnetic metal body, and a quartz ceramic cylinder is arranged between the electromagnetic coil and the heating roller; the electromagnetic coil is electrified the change magnetic field that produces and is made the heating roller of magnetic conductivity metal material produce the electromagnetic induction vortex and generate heat, and its innovation point lies in: the wall of the heating roller is internally provided with a spiral groove hole, temperature sensors are uniformly arranged in the spiral groove hole, and the temperature sensors are contacted with the inner wall of the spiral groove hole.
Furthermore, the heating roller sleeve is provided with a sleeve, the surface of the heating roller is provided with external threads, the sleeve is internally provided with internal threads matched with the external threads of the heating roller, and one end of the heating roller is provided with a limiting ring.
Further, the outer wall of the sleeve is coated with a sand blasting layer, and the sand blasting layer is coated with a wear-resistant layer.
After the structure is adopted, the utility model discloses beneficial effect does:
the utility model has simple structure, convenient use and lower cost; the utility model discloses a contact multiple spot temperature measurement is with the spiral distribution of temperature sensor, and it is wider more even to distribute, has guaranteed heating roller surface temperature measurement's accuracy, and temperature sensor embeds in roller section of thick bamboo wall simultaneously, and the mounting means is reliable and stable, and measuring environment is good.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals:
1 heating roller, 2 spiral groove holes, 3 temperature sensors, 4 sleeves, 5 external threads and 6 limit rings.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
Referring to fig. 1, an electromagnetic heating roller temperature measuring mechanism comprises a heating roller 1, the heating roller is made of magnetic conductive metal, an electromagnetic coil is arranged in the heating roller, the electromagnetic coil is wound on a non-magnetic metal body, and a quartz ceramic cylinder is arranged between the electromagnetic coil and the heating roller; the heating roller made of magnetic conductive metal materials generates electromagnetic induction eddy current to generate heat by a variable magnetic field generated by electrifying the electromagnetic coil, a spiral groove hole 2 is arranged in the wall of the heating roller, temperature sensors 3 are uniformly arranged in the spiral groove hole 2, and the temperature sensors 3 are contacted with the inner wall of the spiral groove hole 2. The contact type multi-point temperature measurement is adopted to distribute the temperature sensors in a spiral mode, the distribution is wider and more uniform, the accuracy of measuring the surface temperature of the heating roller is guaranteed, meanwhile, the temperature sensors are arranged in the roller wall, the installation mode is stable and reliable, the measurement environment is good, and during calculation, the most approximate temperature value can be obtained by averaging multiple groups of measured data or other calculation modes.
In this embodiment, the heating roller 1 is sleeved with a sleeve 4, the surface of the heating roller 4 is provided with an external thread 5, an internal thread matched with the external thread of the heating roller is arranged in the sleeve, and one end of the heating roller is provided with a limit ring 6. Sleeve 4 can protect temperature sensor 3, and sleeve 4 unloads the back simultaneously, is convenient for change and maintain temperature sensor 3.
In this embodiment, the coating of sleeve outer wall has the sandblast layer, and the outer coating of sandblast layer has wearing layer, can increase of service life.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (3)
1. A temperature measuring mechanism of an electromagnetic heating roller comprises a heating roller, wherein the heating roller is made of magnetic conductive metal, an electromagnetic coil is arranged in the heating roller and wound on a non-magnetic metal body, and a quartz ceramic cylinder is arranged between the electromagnetic coil and the heating roller; the electromagnetic coil circular telegram produced changes the magnetic field and makes the heating roller of magnetic conductivity metal material produce the electromagnetic induction vortex and generate heat, its characterized in that: the wall of the heating roller is internally provided with a spiral groove hole, temperature sensors are uniformly arranged in the spiral groove hole, and the temperature sensors are contacted with the inner wall of the spiral groove hole.
2. The temperature measuring mechanism of the electromagnetic heating roller according to claim 1, characterized in that: the heating roller sleeve is provided with a sleeve, the surface of the heating roller is provided with an external thread, an internal thread matched with the external thread of the heating roller is arranged in the sleeve, and one end of the heating roller is provided with a limit ring.
3. The temperature measuring mechanism of the electromagnetic heating roller according to claim 2, characterized in that: the outer wall of the sleeve is coated with a sand blasting layer, and the outer surface of the sand blasting layer is coated with a wear-resistant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021359880.9U CN212463551U (en) | 2020-07-11 | 2020-07-11 | Temperature measuring mechanism of electromagnetic heating roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021359880.9U CN212463551U (en) | 2020-07-11 | 2020-07-11 | Temperature measuring mechanism of electromagnetic heating roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212463551U true CN212463551U (en) | 2021-02-02 |
Family
ID=74490312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021359880.9U Active CN212463551U (en) | 2020-07-11 | 2020-07-11 | Temperature measuring mechanism of electromagnetic heating roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212463551U (en) |
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2020
- 2020-07-11 CN CN202021359880.9U patent/CN212463551U/en active Active
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