CN109632127B - Photoinduction temperature measurement and control system and operation method thereof - Google Patents
Photoinduction temperature measurement and control system and operation method thereof Download PDFInfo
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- CN109632127B CN109632127B CN201811450617.8A CN201811450617A CN109632127B CN 109632127 B CN109632127 B CN 109632127B CN 201811450617 A CN201811450617 A CN 201811450617A CN 109632127 B CN109632127 B CN 109632127B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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Abstract
The invention discloses a photoinduction temperature measurement and control system and an operation method thereof, and the photoinduction temperature measurement and control system comprises a monochromatic light source, a convex lens, two ceramic bases, two ceramic plates, a ceramic clamping groove, a ceramic light shielding plate, a metal sheet, a photoinduction counter and a temperature processor, wherein the monochromatic light source, the convex lens, the two ceramic bases, the two ceramic plates, the ceramic clamping groove, the ceramic light shielding plate, the metal sheet and the photoinduction counter are all arranged in a temperature measurement and control chamber, the photoinduction counter is connected with the temperature processor through a signal transmission line, and the ceramic bases are fixedly connected with the ceramic plates; the metal sheet is inserted into the ceramic clamping groove; the ceramic light shielding sheet is provided with a small hole, and the small hole is used for inserting the light induction counter. The invention also discloses an operation method of the photoinduction temperature measurement and control system. The manufacturing process of the photoinduction temperature measurement and control system has the advantages of easily available raw materials, simple and easy operation and easy realization.
Description
Technical Field
The invention relates to a temperature measurement and control system, in particular to a photoinduction temperature measurement and control system and an operation method thereof.
Background
At present, the temperature measurement and control accuracy cannot meet some users with extremely high requirements, and the equipment is expensive and not suitable for popularization and application.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a light-sensing temperature measurement and control system and an operation method thereof.
The technical scheme is as follows:
a photoinduction temperature measurement and control system comprises a monochromatic light source, a convex lens, two ceramic bases, two ceramic plates, a ceramic clamping groove, a ceramic light shielding sheet, a metal sheet, a photoinduction counter and a temperature processor, wherein the monochromatic light source, the convex lens, the two ceramic bases, the two ceramic plates, the ceramic clamping groove, the ceramic light shielding sheet, the metal sheet and the photoinduction counter are all arranged in a temperature measurement and control chamber, the photoinduction counter is connected with the temperature processor through a signal transmission line, and the ceramic bases and the ceramic plates are fixedly connected together; the metal sheet is inserted into the ceramic clamping groove; the ceramic light shielding sheet is provided with a small hole, and the small hole is used for inserting the light induction counter.
Further, the temperature processor is used for calculating the change of the length of the metal sheet according to the number of the bright stripes, and giving the temperature according to the relation between the change of the length of the metal sheet and the temperature.
Further, ceramic base, potsherd, ceramic draw-in groove and ceramic light shelter from the piece and are high temperature resistant material, and this high temperature resistant material is in the temperature measurement and control scope that needs, and thermal expansion coefficient is very little, can not be because of the temperature rise or reduce and produce the influence to the distribution of interference bright fringe, for example ZnO2And a low expansion glass-ceramic.
Further preferably, the focal length of the convex lens does not change within a required temperature measurement and control range, and the light sensing counter can only sense a bright stripe at the same time.
The operation method of the photoinduction temperature measurement and control system comprises the following steps:
the first step is as follows: the positions of the monochromatic light source and the convex lens are adjusted, so that light emitted by the monochromatic light source is changed into parallel light through the convex lens, the parallel light passes through a gap between the first ceramic chip and the metal sheet and a gap between the second ceramic chip and the ceramic clamping groove, and light and shade interference fringes of light are generated at the ceramic light shielding piece.
The second step is that: the light sensing counter was adjusted at room temperature. The light sensing counter is adjusted at a position adjacent to a dark stripe with the strongest light intensity and is fixed at the position.
The third step: the light induction counter is connected with the temperature processor. When the temperature rises, the light induction counter calculates the number of the light stripes passing through the light induction counter, the calculated number of the light stripes is timely transmitted to the temperature processor through the signal transmission line, and the temperature processor timely gives the temperature of the temperature control chamber according to the number of the light stripes.
The invention has the beneficial effects that:
the manufacturing process of the photoinduction temperature measurement and control system has the advantages of easily available raw materials, simple and easy operation and easy realization. On the premise that the thermal expansion coefficient of the ceramic material is very small, the metal sheet can be replaced, and the sensitivity of the measurement and control system to the temperature in different ranges is met.
Drawings
Fig. 1 is a schematic structural diagram of a light-sensing temperature measurement and control system according to the present invention.
Detailed Description
The technical solutions of the present invention will be described in further detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, a photoinduction temperature measurement and control system comprises a monochromatic light source 1, a convex lens 2, two ceramic bases 3, two ceramic plates 4, a ceramic clamping groove 5, a ceramic light shielding plate 6, a metal sheet 7, a photoinduction counter 8 and a temperature processor 9, wherein the monochromatic light source 1, the convex lens 2, the two ceramic bases 3, the two ceramic plates 4, the ceramic clamping groove 5, the ceramic light shielding plate 6, the metal sheet 7 and the photoinduction counter 8 are all arranged in a temperature measurement and control chamber 11, the photoinduction counter 8 is connected with the temperature processor 9 through a signal transmission line 10, and the ceramic bases 3 and the ceramic plates 4 are fixedly connected together; the metal sheet 7 is inserted into the ceramic clamping groove 5; the ceramic light shielding sheet 6 is provided with a small hole for inserting the light sensing counter 8.
Further, the temperature processor is used for calculating the change of the length of the metal sheet according to the number of the bright stripes, and giving the temperature according to the relation between the change of the length of the metal sheet and the temperature.
Further, ceramic base, potsherd, ceramic draw-in groove and ceramic light shelter from the piece and are high temperature resistant material, and this high temperature resistant material is in the temperature measurement and control scope that needs, and thermal expansion coefficient is very little, can not be because of the temperature rise or reduce and produce the influence to the distribution of interference bright fringe, for example ZnO2And a low expansion glass-ceramic. The temperature in the temperature measurement and control room can not affect the light emission of the monochromatic light source, the focal length of the convex lens and the counting function of the photoinduction counter. The metal sheet is very sensitive to temperature and when the temperature rises, the metal sheet expands by heat and increases in length. The relationship between the length of the metal sheet and the temperature rise is determined by experiments.
The light sensing counter is sensitive to light from a monochromatic light source.
Further preferably, the focal length of the convex lens does not change within a required temperature measurement and control range, and the light sensing counter can only sense a bright stripe at the same time.
The operation method of the photoinduction temperature measurement and control system comprises the following steps:
the first step is as follows: the positions of the monochromatic light source and the convex lens are adjusted, so that light emitted by the monochromatic light source is changed into parallel light through the convex lens, the parallel light passes through a gap between the first ceramic chip and the metal sheet and a gap between the second ceramic chip and the ceramic clamping groove, and light and shade interference fringes of light are generated at the ceramic light shielding piece.
The second step is that: the light sensing counter was adjusted at room temperature. The light sensing counter is adjusted at a position adjacent to a dark stripe with the strongest light intensity and is fixed at the position.
The third step: the light induction counter is connected with the temperature processor. When the temperature rises, the light induction counter calculates the number of the light stripes passing through the light induction counter, the calculated number of the light stripes is timely transmitted to the temperature processor through the signal transmission line, and the temperature processor timely gives the temperature of the temperature control chamber according to the number of the light stripes.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and any simple modifications or equivalent substitutions of the technical solutions that can be obviously obtained by those skilled in the art within the technical scope of the present invention are within the scope of the present invention.
Claims (6)
1. A photoinduction temperature measurement and control system is characterized in that: the temperature measurement and control device comprises a temperature measurement and control chamber, a monochromatic light source, a convex lens, a first ceramic base, a second ceramic base, a first ceramic piece, a second ceramic piece, a ceramic clamping groove, a ceramic light shielding piece, a metal sheet, a photoinduction counter and a temperature processor, wherein the monochromatic light source, the convex lens, the first ceramic base, the second ceramic base, the first ceramic piece, the second ceramic piece, the ceramic clamping groove, the ceramic light shielding piece, the metal sheet and the photoinduction counter are all arranged in the temperature measurement and control chamber; the metal sheet is inserted into the ceramic clamping groove; the ceramic light shielding piece is provided with a small hole, the small hole is used for inserting a light induction counter, and the positions of the monochromatic light source and the convex lens are adjusted, so that light emitted by the ceramic light shielding piece passes through the convex lens to become parallel light, and the parallel light passes through a gap between the first ceramic piece and the metal sheet and a gap between the second ceramic piece and the ceramic clamping groove, and light and shade interference fringes are generated at the ceramic light shielding piece.
2. The light-sensing temperature measurement and control system according to claim 1, wherein: the temperature processor is used for calculating the change of the length of the metal sheet according to the number of the bright stripes, and giving the temperature according to the relation between the change of the length of the metal sheet and the temperature.
3. The light-sensing temperature measurement and control system according to claim 1, wherein: the first ceramic base, the second ceramic base, the first ceramic piece, the second ceramic piece, the ceramic clamping groove and the ceramic light shielding piece are made of high-temperature-resistant materials.
4. The light-sensing temperature measurement and control system according to claim 3, wherein: the high-temperature resistant material is ZnO2Or a low expansion glass-ceramic.
5. The light-sensing temperature measurement and control system according to claim 1, wherein: the focal length of the convex lens can not change in the required temperature measurement and control range, and the light sensing counter can only sense a light stripe at the same time.
6. The method of operating a light-sensing temperature measurement and control system of claim 1, wherein:
the first step is as follows: adjusting the positions of the monochromatic light source and the convex lens to enable light emitted by the monochromatic light source and the convex lens to be changed into parallel light through the convex lens, the parallel light can pass through a gap between the first ceramic chip and the metal sheet and a gap between the second ceramic chip and the ceramic clamping groove, and light and shade interference fringes of light are generated at the ceramic light shielding piece;
the second step is that: adjusting a light induction counter at room temperature; adjusting a light sensing counter at a position of a dark stripe adjacent to the position with the strongest light intensity, and fixing the light sensing counter at the position;
the third step: the light induction counter is connected with the temperature processor; when the temperature rises, the light sensing counter calculates the number of the light stripes passing through the light sensing counter, the calculated number of the light stripes is timely transmitted to the temperature processor through the signal transmission line, and the temperature processor timely gives the temperature of the temperature measurement and control chamber according to the number of the light stripes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811450617.8A CN109632127B (en) | 2018-11-30 | 2018-11-30 | Photoinduction temperature measurement and control system and operation method thereof |
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| CN201811450617.8A CN109632127B (en) | 2018-11-30 | 2018-11-30 | Photoinduction temperature measurement and control system and operation method thereof |
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| CN109632127A CN109632127A (en) | 2019-04-16 |
| CN109632127B true CN109632127B (en) | 2020-11-03 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63234123A (en) * | 1987-03-23 | 1988-09-29 | Chino Corp | Optical temperature measuring instrument |
| CN2053326U (en) * | 1989-05-05 | 1990-02-21 | 上海钢铁研究所 | Apparatus for testing line expanding coefficient of materials by interfering method |
| CN105973926A (en) * | 2016-04-28 | 2016-09-28 | 华南理工大学 | Apparatus for measuring thermal expansion coefficient of powder material, and method thereof |
| CN106814100A (en) * | 2017-03-23 | 2017-06-09 | 大连海洋大学 | The device and method of material thermal expansion coefficient is surveyed using single slit diffraction |
| CN108132197A (en) * | 2017-12-26 | 2018-06-08 | 中国工程物理研究院上海激光等离子体研究所 | A kind of analysis on Uncertainty and computational methods of transparent material impact temperature |
| CN208091957U (en) * | 2017-12-23 | 2018-11-13 | 济南大学 | Linear expansion coefficient measuring system |
-
2018
- 2018-11-30 CN CN201811450617.8A patent/CN109632127B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63234123A (en) * | 1987-03-23 | 1988-09-29 | Chino Corp | Optical temperature measuring instrument |
| CN2053326U (en) * | 1989-05-05 | 1990-02-21 | 上海钢铁研究所 | Apparatus for testing line expanding coefficient of materials by interfering method |
| CN105973926A (en) * | 2016-04-28 | 2016-09-28 | 华南理工大学 | Apparatus for measuring thermal expansion coefficient of powder material, and method thereof |
| CN106814100A (en) * | 2017-03-23 | 2017-06-09 | 大连海洋大学 | The device and method of material thermal expansion coefficient is surveyed using single slit diffraction |
| CN208091957U (en) * | 2017-12-23 | 2018-11-13 | 济南大学 | Linear expansion coefficient measuring system |
| CN108132197A (en) * | 2017-12-26 | 2018-06-08 | 中国工程物理研究院上海激光等离子体研究所 | A kind of analysis on Uncertainty and computational methods of transparent material impact temperature |
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